/* GTK - The GIMP Toolkit * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball, Josh MacDonald, * Copyright (C) 1997-1998 Jay Painter * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Library General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Library General Public License for more details. * * You should have received a copy of the GNU Library General Public * License along with this library; if not, write to the * Free Software Foundation, Inc., 59 Temple Place - Suite 330, * Boston, MA 02111-1307, USA. */ #include #include #include "../config.h" #include "gtkmain.h" #include "gtkclist.h" #include "gtkbindings.h" #include /* the number rows memchunk expands at a time */ #define CLIST_OPTIMUM_SIZE 512 /* the width of the column resize windows */ #define DRAG_WIDTH 6 /* minimum allowed width of a column */ #define COLUMN_MIN_WIDTH 5 /* this defigns the base grid spacing */ #define CELL_SPACING 1 /* added the horizontal space at the beginning and end of a row*/ #define COLUMN_INSET 3 /* used for auto-scrolling */ #define SCROLL_TIME 100 /* scrollbar spacing class macro */ #define SCROLLBAR_SPACING(w) (GTK_CLIST_CLASS (GTK_OBJECT (w)->klass)->scrollbar_spacing) /* gives the top pixel of the given row in context of * the clist's voffset */ #define ROW_TOP_YPIXEL(clist, row) (((clist)->row_height * (row)) + \ (((row) + 1) * CELL_SPACING) + \ (clist)->voffset) /* returns the row index from a y pixel location in the * context of the clist's voffset */ #define ROW_FROM_YPIXEL(clist, y) (((y) - (clist)->voffset) / \ ((clist)->row_height + CELL_SPACING)) /* gives the left pixel of the given column in context of * the clist's hoffset */ #define COLUMN_LEFT_XPIXEL(clist, colnum) ((clist)->column[(colnum)].area.x + \ (clist)->hoffset) /* returns the column index from a x pixel location in the * context of the clist's hoffset */ static inline gint COLUMN_FROM_XPIXEL (GtkCList * clist, gint x) { gint i, cx; for (i = 0; i < clist->columns; i++) { cx = clist->column[i].area.x + clist->hoffset; if (x >= (cx - (COLUMN_INSET + CELL_SPACING)) && x <= (cx + clist->column[i].area.width + COLUMN_INSET)) return i; } /* no match */ return -1; } /* returns the top pixel of the given row in the context of * the list height */ #define ROW_TOP(clist, row) (((clist)->row_height + CELL_SPACING) * (row)) /* returns the left pixel of the given column in the context of * the list width */ #define COLUMN_LEFT(clist, colnum) ((clist)->column[(colnum)].area.x) /* returns the total height of the list */ #define LIST_HEIGHT(clist) (((clist)->row_height * ((clist)->rows)) + \ (CELL_SPACING * ((clist)->rows + 1))) /* returns the total width of the list */ static inline gint LIST_WIDTH (GtkCList * clist) { gint last_column; for (last_column = clist->columns - 1; last_column >= 0 && !clist->column[last_column].visible; last_column--); if (last_column >= 0) return (clist->column[last_column].area.x + clist->column[last_column].area.width + COLUMN_INSET + CELL_SPACING); return 0; } #define GTK_CLIST_CLASS_FW(_widget_) GTK_CLIST_CLASS (GTK_OBJECT (_widget_)->klass) /* Signals */ enum { SELECT_ROW, UNSELECT_ROW, CLICK_COLUMN, RESIZE_COLUMN, TOGGLE_FOCUS_ROW, SELECT_ALL, UNSELECT_ALL, UNDO_SELECTION, START_SELECTION, END_SELECTION, TOGGLE_ADD_MODE, EXTEND_SELECTION, SCROLL_VERTICAL, SCROLL_HORIZONTAL, ABORT_COLUMN_RESIZE, LAST_SIGNAL }; enum { SYNC_REMOVE, SYNC_INSERT }; typedef void (*GtkCListSignal1) (GtkObject * object, gint arg1, gint arg2, GdkEvent * arg3, gpointer data); typedef void (*GtkCListSignal2) (GtkObject *object, gpointer data); typedef void (*GtkCListSignal3) (GtkObject * object, gint arg1, gpointer data); typedef void (*GtkCListSignal4) (GtkObject * object, gint arg1, gfloat arg2, gpointer data); typedef void (*GtkCListSignal5) (GtkObject * object, gint arg1, gfloat arg2, gboolean arg3, gpointer data); static void sync_selection (GtkCList * clist, gint row, gint mode); /* GtkCList Methods */ static void gtk_clist_class_init (GtkCListClass * klass); static void gtk_clist_init (GtkCList * clist); static void real_clear (GtkCList * clist); /* GtkObject Methods */ static void gtk_clist_destroy (GtkObject * object); static void gtk_clist_finalize (GtkObject * object); /* GtkWidget Methods */ static void gtk_clist_realize (GtkWidget * widget); static void gtk_clist_unrealize (GtkWidget * widget); static void gtk_clist_map (GtkWidget * widget); static void gtk_clist_unmap (GtkWidget * widget); static void gtk_clist_draw (GtkWidget * widget, GdkRectangle * area); static gint gtk_clist_expose (GtkWidget * widget, GdkEventExpose * event); static gint gtk_clist_button_press (GtkWidget * widget, GdkEventButton * event); static gint gtk_clist_button_release (GtkWidget * widget, GdkEventButton * event); static gint gtk_clist_motion (GtkWidget * widget, GdkEventMotion * event); static void gtk_clist_size_request (GtkWidget * widget, GtkRequisition * requisition); static void gtk_clist_size_allocate (GtkWidget * widget, GtkAllocation * allocation); static gint get_selection_info (GtkCList * clist, gint x, gint y, gint * row, gint * column); /* GtkContainer Methods */ static void gtk_clist_forall (GtkContainer *container, gboolean include_internals, GtkCallback callback, gpointer callback_data); /* Drawing */ static void draw_row (GtkCList * clist, GdkRectangle * area, gint row, GtkCListRow * clist_row); static void draw_rows (GtkCList * clist, GdkRectangle * area); /* Size Allocation */ static void size_allocate_title_buttons (GtkCList * clist); static void size_allocate_columns (GtkCList * clist); /* Selection */ static void toggle_row (GtkCList * clist, gint row, gint column, GdkEvent * event); static void select_row (GtkCList * clist, gint row, gint column, GdkEvent * event); static void unselect_row (GtkCList * clist, gint row, gint column, GdkEvent * event); static void real_select_row (GtkCList * clist, gint row, gint column, GdkEvent * event); static void real_unselect_row (GtkCList * clist, gint row, gint column, GdkEvent * event); static void update_extended_selection (GtkCList *clist, gint row); static GList * selection_find (GtkCList *clist, gint row_number, GList *row_list_element); static void real_select_all (GtkCList * clist); static void real_unselect_all (GtkCList * clist); static void move_vertical (GtkCList *clist, gint row, gfloat align); static void move_horizontal (GtkCList *clist, gint diff); static void real_undo_selection (GtkCList * clist); static void fake_unselect_all (GtkCList *clist, gint row); static void fake_toggle_row (GtkCList *clist, gint row); static void resync_selection (GtkCList *clist, GdkEvent *event); /* Resize Columns */ static void draw_xor_line (GtkCList * clist); static gint new_column_width (GtkCList * clist, gint column, gint * x); static void real_resize_column (GtkCList * clist, gint column, gint width); static void resize_column (GtkCList * clist, gint column, gint width); static void abort_column_resize (GtkCList *clist); /* Buttons */ static void column_button_create (GtkCList * clist, gint column); static void column_button_clicked (GtkWidget * widget, gpointer data); /* Scrollbars */ static void create_scrollbars (GtkCList * clist); static void adjust_scrollbars (GtkCList * clist); static void check_exposures (GtkCList * clist); static void vadjustment_changed (GtkAdjustment * adjustment, gpointer data); static void vadjustment_value_changed (GtkAdjustment * adjustment, gpointer data); static void hadjustment_changed (GtkAdjustment * adjustment, gpointer data); static void hadjustment_value_changed (GtkAdjustment * adjustment, gpointer data); /* Memory Allocation/Distruction Routines */ static GtkCListColumn *columns_new (GtkCList * clist); static void column_title_new (GtkCList *clist, gint column, const gchar *title); static void columns_delete (GtkCList * clist); static GtkCListRow *row_new (GtkCList * clist); static void row_delete (GtkCList * clist, GtkCListRow * clist_row); static void set_cell_contents (GtkCList *clist, GtkCListRow *clist_row, gint column, GtkCellType type, const gchar *text, guint8 spacing, GdkPixmap *pixmap, GdkBitmap *mask); static gint real_insert_row (GtkCList * clist, gint row, gchar * text[]); static void real_remove_row (GtkCList * clist, gint row); /* Focus handling */ static void gtk_clist_draw_focus (GtkWidget *widget); static gint gtk_clist_focus_in (GtkWidget *widget, GdkEventFocus *event); static gint gtk_clist_focus_out (GtkWidget *widget, GdkEventFocus *event); static gint gtk_clist_focus (GtkContainer *container, GtkDirectionType direction); static void gtk_clist_set_focus_child (GtkContainer *container, GtkWidget *child); static gint gtk_clist_key_press (GtkWidget *widget, GdkEventKey *event); /* Selection handling */ static void set_anchor (GtkCList *clist, gboolean add_mode, gint anchor, gint undo_anchor); static void start_selection (GtkCList *clist); static void end_selection (GtkCList *clist); static void toggle_add_mode (GtkCList *clist); static void toggle_focus_row (GtkCList *clist); static void move_focus_row (GtkCList *clist, GtkScrollType scroll_type, gfloat position); static void scroll_horizontal (GtkCList *clist, GtkScrollType scroll_type, gfloat position); static void scroll_vertical (GtkCList *clist, GtkScrollType scroll_type, gfloat position); static void extend_selection (GtkCList *clist, GtkScrollType scroll_type, gfloat position, gboolean auto_start_selection); /* Sorting */ static gint default_compare (GtkCList *clist, gconstpointer row1, gconstpointer row2); static GList * gtk_clist_merge (GtkCList *clist, GList *a, GList *b); static GList * gtk_clist_mergesort (GtkCList *clist, GList *list, gint num); static void real_sort_list (GtkCList *clist); /* Fill in data after widget is realized and has style */ static void add_style_data (GtkCList * clist); static GtkContainerClass *parent_class = NULL; static guint clist_signals[LAST_SIGNAL] = {0}; GtkType gtk_clist_get_type (void) { static GtkType clist_type = 0; if (!clist_type) { GtkTypeInfo clist_info = { "GtkCList", sizeof (GtkCList), sizeof (GtkCListClass), (GtkClassInitFunc) gtk_clist_class_init, (GtkObjectInitFunc) gtk_clist_init, /* reserved_1 */ NULL, /* reserved_2 */ NULL, (GtkClassInitFunc) NULL, }; clist_type = gtk_type_unique (GTK_TYPE_CONTAINER, &clist_info); } return clist_type; } static void gtk_clist_class_init (GtkCListClass * klass) { GtkObjectClass *object_class; GtkWidgetClass *widget_class; GtkContainerClass *container_class; object_class = (GtkObjectClass *) klass; widget_class = (GtkWidgetClass *) klass; container_class = (GtkContainerClass *) klass; parent_class = gtk_type_class (GTK_TYPE_CONTAINER); clist_signals[SELECT_ROW] = gtk_signal_new ("select_row", GTK_RUN_FIRST, object_class->type, GTK_SIGNAL_OFFSET (GtkCListClass, select_row), gtk_marshal_NONE__INT_INT_POINTER, GTK_TYPE_NONE, 3, GTK_TYPE_INT, GTK_TYPE_INT, GTK_TYPE_GDK_EVENT); clist_signals[UNSELECT_ROW] = gtk_signal_new ("unselect_row", GTK_RUN_FIRST, object_class->type, GTK_SIGNAL_OFFSET (GtkCListClass, unselect_row), gtk_marshal_NONE__INT_INT_POINTER, GTK_TYPE_NONE, 3, GTK_TYPE_INT, GTK_TYPE_INT, GTK_TYPE_GDK_EVENT); clist_signals[CLICK_COLUMN] = gtk_signal_new ("click_column", GTK_RUN_FIRST, object_class->type, GTK_SIGNAL_OFFSET (GtkCListClass, click_column), gtk_marshal_NONE__INT, GTK_TYPE_NONE, 1, GTK_TYPE_INT); clist_signals[RESIZE_COLUMN] = gtk_signal_new ("resize_column", GTK_RUN_LAST, object_class->type, GTK_SIGNAL_OFFSET (GtkCListClass, resize_column), gtk_marshal_NONE__INT_INT, GTK_TYPE_NONE, 2, GTK_TYPE_INT, GTK_TYPE_INT); clist_signals[TOGGLE_FOCUS_ROW] = gtk_signal_new ("toggle_focus_row", GTK_RUN_LAST | GTK_RUN_ACTION, object_class->type, GTK_SIGNAL_OFFSET (GtkCListClass, toggle_focus_row), gtk_marshal_NONE__NONE, GTK_TYPE_NONE, 0); clist_signals[SELECT_ALL] = gtk_signal_new ("select_all", GTK_RUN_LAST | GTK_RUN_ACTION, object_class->type, GTK_SIGNAL_OFFSET (GtkCListClass, select_all), gtk_marshal_NONE__NONE, GTK_TYPE_NONE, 0); clist_signals[UNSELECT_ALL] = gtk_signal_new ("unselect_all", GTK_RUN_LAST | GTK_RUN_ACTION, object_class->type, GTK_SIGNAL_OFFSET (GtkCListClass, unselect_all), gtk_marshal_NONE__NONE, GTK_TYPE_NONE, 0); clist_signals[UNDO_SELECTION] = gtk_signal_new ("undo_selection", GTK_RUN_LAST | GTK_RUN_ACTION, object_class->type, GTK_SIGNAL_OFFSET (GtkCListClass, undo_selection), gtk_marshal_NONE__NONE, GTK_TYPE_NONE, 0); clist_signals[START_SELECTION] = gtk_signal_new ("start_selection", GTK_RUN_LAST | GTK_RUN_ACTION, object_class->type, GTK_SIGNAL_OFFSET (GtkCListClass, start_selection), gtk_marshal_NONE__NONE, GTK_TYPE_NONE, 0); clist_signals[END_SELECTION] = gtk_signal_new ("end_selection", GTK_RUN_LAST | GTK_RUN_ACTION, object_class->type, GTK_SIGNAL_OFFSET (GtkCListClass, end_selection), gtk_marshal_NONE__NONE, GTK_TYPE_NONE, 0); clist_signals[TOGGLE_ADD_MODE] = gtk_signal_new ("toggle_add_mode", GTK_RUN_LAST | GTK_RUN_ACTION, object_class->type, GTK_SIGNAL_OFFSET (GtkCListClass, toggle_add_mode), gtk_marshal_NONE__NONE, GTK_TYPE_NONE, 0); clist_signals[EXTEND_SELECTION] = gtk_signal_new ("extend_selection", GTK_RUN_LAST | GTK_RUN_ACTION, object_class->type, GTK_SIGNAL_OFFSET (GtkCListClass, extend_selection), gtk_marshal_NONE__ENUM_FLOAT_BOOL, GTK_TYPE_NONE, 3, GTK_TYPE_SCROLL_TYPE, GTK_TYPE_FLOAT, GTK_TYPE_BOOL); clist_signals[SCROLL_VERTICAL] = gtk_signal_new ("scroll_vertical", GTK_RUN_LAST | GTK_RUN_ACTION, object_class->type, GTK_SIGNAL_OFFSET (GtkCListClass, scroll_vertical), gtk_marshal_NONE__ENUM_FLOAT, GTK_TYPE_NONE, 2, GTK_TYPE_SCROLL_TYPE, GTK_TYPE_FLOAT); clist_signals[SCROLL_HORIZONTAL] = gtk_signal_new ("scroll_horizontal", GTK_RUN_LAST | GTK_RUN_ACTION, object_class->type, GTK_SIGNAL_OFFSET (GtkCListClass, scroll_horizontal), gtk_marshal_NONE__ENUM_FLOAT, GTK_TYPE_NONE, 2, GTK_TYPE_SCROLL_TYPE, GTK_TYPE_FLOAT); clist_signals[ABORT_COLUMN_RESIZE] = gtk_signal_new ("abort_column_resize", GTK_RUN_LAST | GTK_RUN_ACTION, object_class->type, GTK_SIGNAL_OFFSET (GtkCListClass, abort_column_resize), gtk_marshal_NONE__NONE, GTK_TYPE_NONE, 0); gtk_object_class_add_signals (object_class, clist_signals, LAST_SIGNAL); object_class->destroy = gtk_clist_destroy; object_class->finalize = gtk_clist_finalize; widget_class->realize = gtk_clist_realize; widget_class->unrealize = gtk_clist_unrealize; widget_class->map = gtk_clist_map; widget_class->unmap = gtk_clist_unmap; widget_class->draw = gtk_clist_draw; widget_class->button_press_event = gtk_clist_button_press; widget_class->button_release_event = gtk_clist_button_release; widget_class->motion_notify_event = gtk_clist_motion; widget_class->expose_event = gtk_clist_expose; widget_class->size_request = gtk_clist_size_request; widget_class->size_allocate = gtk_clist_size_allocate; widget_class->key_press_event = gtk_clist_key_press; widget_class->focus_in_event = gtk_clist_focus_in; widget_class->focus_out_event = gtk_clist_focus_out; widget_class->draw_focus = gtk_clist_draw_focus; /* container_class->add = NULL; use the default GtkContainerClass warning */ /* container_class->remove = NULL; use the default GtkContainerClass warning */ container_class->forall = gtk_clist_forall; container_class->focus = gtk_clist_focus; container_class->set_focus_child = gtk_clist_set_focus_child; klass->select_row = real_select_row; klass->unselect_row = real_unselect_row; klass->undo_selection = real_undo_selection; klass->resync_selection = resync_selection; klass->selection_find = selection_find; klass->click_column = NULL; klass->resize_column = real_resize_column; klass->draw_row = draw_row; klass->insert_row = real_insert_row; klass->remove_row = real_remove_row; klass->clear = real_clear; klass->sort_list = real_sort_list; klass->select_all = real_select_all; klass->unselect_all = real_unselect_all; klass->fake_unselect_all = fake_unselect_all; klass->scroll_horizontal = scroll_horizontal; klass->scroll_vertical = scroll_vertical; klass->extend_selection = extend_selection; klass->toggle_focus_row = toggle_focus_row; klass->toggle_add_mode = toggle_add_mode; klass->start_selection = start_selection; klass->end_selection = end_selection; klass->abort_column_resize = abort_column_resize; klass->set_cell_contents = set_cell_contents; klass->scrollbar_spacing = 5; { GtkBindingSet *binding_set; binding_set = gtk_binding_set_by_class (klass); gtk_binding_entry_add_signal (binding_set, GDK_Up, 0, "scroll_vertical", 2, GTK_TYPE_ENUM, GTK_SCROLL_STEP_BACKWARD, GTK_TYPE_FLOAT, 0.0); gtk_binding_entry_add_signal (binding_set, GDK_Down, 0, "scroll_vertical", 2, GTK_TYPE_ENUM, GTK_SCROLL_STEP_FORWARD, GTK_TYPE_FLOAT, 0.0); gtk_binding_entry_add_signal (binding_set, GDK_Page_Up, 0, "scroll_vertical", 2, GTK_TYPE_ENUM, GTK_SCROLL_PAGE_BACKWARD, GTK_TYPE_FLOAT, 0.0); gtk_binding_entry_add_signal (binding_set, GDK_Page_Down, 0, "scroll_vertical", 2, GTK_TYPE_ENUM, GTK_SCROLL_PAGE_FORWARD, GTK_TYPE_FLOAT, 0.0); gtk_binding_entry_add_signal (binding_set, GDK_Home, GDK_CONTROL_MASK, "scroll_vertical", 2, GTK_TYPE_ENUM, GTK_SCROLL_JUMP, GTK_TYPE_FLOAT, 0.0); gtk_binding_entry_add_signal (binding_set, GDK_End, GDK_CONTROL_MASK, "scroll_vertical", 2, GTK_TYPE_ENUM, GTK_SCROLL_JUMP, GTK_TYPE_FLOAT, 1.0); gtk_binding_entry_add_signal (binding_set, GDK_Up, GDK_SHIFT_MASK, "extend_selection", 3, GTK_TYPE_ENUM, GTK_SCROLL_STEP_BACKWARD, GTK_TYPE_FLOAT, 0.0, GTK_TYPE_BOOL, TRUE); gtk_binding_entry_add_signal (binding_set, GDK_Down, GDK_SHIFT_MASK, "extend_selection", 3, GTK_TYPE_ENUM, GTK_SCROLL_STEP_FORWARD, GTK_TYPE_FLOAT, 0.0, GTK_TYPE_BOOL, TRUE); gtk_binding_entry_add_signal (binding_set, GDK_Page_Up, GDK_SHIFT_MASK, "extend_selection", 3, GTK_TYPE_ENUM, GTK_SCROLL_PAGE_BACKWARD, GTK_TYPE_FLOAT, 0.0, GTK_TYPE_BOOL, TRUE); gtk_binding_entry_add_signal (binding_set, GDK_Page_Down, GDK_SHIFT_MASK, "extend_selection", 3, GTK_TYPE_ENUM, GTK_SCROLL_PAGE_FORWARD, GTK_TYPE_FLOAT, 0.0, GTK_TYPE_BOOL, TRUE); gtk_binding_entry_add_signal (binding_set, GDK_Home, GDK_SHIFT_MASK | GDK_CONTROL_MASK, "extend_selection", 3, GTK_TYPE_ENUM, GTK_SCROLL_JUMP, GTK_TYPE_FLOAT, 0.0, GTK_TYPE_BOOL, TRUE); gtk_binding_entry_add_signal (binding_set, GDK_End, GDK_SHIFT_MASK | GDK_CONTROL_MASK, "extend_selection", 3, GTK_TYPE_ENUM, GTK_SCROLL_JUMP, GTK_TYPE_FLOAT, 1.0, GTK_TYPE_BOOL, TRUE); gtk_binding_entry_add_signal (binding_set, GDK_Left, 0, "scroll_horizontal", 2, GTK_TYPE_ENUM, GTK_SCROLL_STEP_BACKWARD, GTK_TYPE_FLOAT, 0.0); gtk_binding_entry_add_signal (binding_set, GDK_Right, 0, "scroll_horizontal", 2, GTK_TYPE_ENUM, GTK_SCROLL_STEP_FORWARD, GTK_TYPE_FLOAT, 0.0); gtk_binding_entry_add_signal (binding_set, GDK_Home, 0, "scroll_horizontal", 2, GTK_TYPE_ENUM, GTK_SCROLL_JUMP, GTK_TYPE_FLOAT, 0.0); gtk_binding_entry_add_signal (binding_set, GDK_End, 0, "scroll_horizontal", 2, GTK_TYPE_ENUM, GTK_SCROLL_JUMP, GTK_TYPE_FLOAT, 1.0); gtk_binding_entry_add_signal (binding_set, GDK_Escape, 0, "undo_selection", 0); gtk_binding_entry_add_signal (binding_set, GDK_Escape, 0, "abort_column_resize", 0); gtk_binding_entry_add_signal (binding_set, GDK_space, 0, "toggle_focus_row", 0); gtk_binding_entry_add_signal (binding_set, GDK_space, GDK_CONTROL_MASK, "toggle_add_mode", 0); gtk_binding_entry_add_signal (binding_set, '/', GDK_CONTROL_MASK, "select_all", 0); gtk_binding_entry_add_signal (binding_set, '\\', GDK_CONTROL_MASK, "unselect_all", 0); gtk_binding_entry_add_signal (binding_set, GDK_Shift_L, GDK_RELEASE_MASK | GDK_SHIFT_MASK, "end_selection", 0); gtk_binding_entry_add_signal (binding_set, GDK_Shift_R, GDK_RELEASE_MASK | GDK_SHIFT_MASK, "end_selection", 0); gtk_binding_entry_add_signal (binding_set, GDK_Shift_L, GDK_RELEASE_MASK | GDK_SHIFT_MASK | GDK_CONTROL_MASK, "end_selection", 0); gtk_binding_entry_add_signal (binding_set, GDK_Shift_R, GDK_RELEASE_MASK | GDK_SHIFT_MASK | GDK_CONTROL_MASK, "end_selection", 0); } /* { GtkBindingSet *binding_set; binding_set = gtk_binding_set_by_class (klass); gtk_binding_entry_add_signal (binding_set, GDK_Up, 0, "scroll_vertical", 2, GTK_TYPE_ENUM, GTK_SCROLL_STEP_BACKWARD, GTK_TYPE_FLOAT, 0.0); gtk_binding_entry_add_signal (binding_set, GDK_Down, 0, "scroll_vertical", 2, GTK_TYPE_ENUM, GTK_SCROLL_STEP_FORWARD, GTK_TYPE_FLOAT, 0.0); gtk_binding_entry_add_signal (binding_set, GDK_Page_Up, 0, "scroll_vertical", 2, GTK_TYPE_ENUM, GTK_SCROLL_PAGE_BACKWARD, GTK_TYPE_FLOAT, 0.0); gtk_binding_entry_add_signal (binding_set, GDK_Page_Down, 0, "scroll_vertical", 2, GTK_TYPE_ENUM, GTK_SCROLL_PAGE_FORWARD, GTK_TYPE_FLOAT, 0.0); gtk_binding_entry_add_signal (binding_set, GDK_Home, GDK_CONTROL_MASK, "scroll_vertical", 2, GTK_TYPE_ENUM, GTK_SCROLL_JUMP, GTK_TYPE_FLOAT, 0.0); gtk_binding_entry_add_signal (binding_set, GDK_End, GDK_CONTROL_MASK, "scroll_vertical", 2, GTK_TYPE_ENUM, GTK_SCROLL_JUMP, GTK_TYPE_FLOAT, 0); gtk_binding_entry_add_signal (binding_set, GDK_KP_Up, 0, "extend_selection", 3, GTK_TYPE_ENUM, GTK_SCROLL_STEP_BACKWARD, GTK_TYPE_FLOAT, 0.0, GTK_TYPE_BOOL, TRUE); gtk_binding_entry_add_signal (binding_set, GDK_KP_Down, 0, "extend_selection", 3, GTK_TYPE_ENUM, GTK_SCROLL_STEP_FORWARD, GTK_TYPE_FLOAT, 0.0, GTK_TYPE_BOOL, TRUE); gtk_binding_entry_add_signal (binding_set, GDK_KP_Page_Up, 0, "extend_selection", 3, GTK_TYPE_ENUM, GTK_SCROLL_PAGE_BACKWARD, GTK_TYPE_FLOAT, 0.0, GTK_TYPE_BOOL, TRUE); gtk_binding_entry_add_signal (binding_set, GDK_KP_Page_Down, 0, "extend_selection", 3, GTK_TYPE_ENUM, GTK_SCROLL_PAGE_FORWARD, GTK_TYPE_FLOAT, 0.0, GTK_TYPE_BOOL, TRUE); gtk_binding_entry_add_signal (binding_set, GDK_KP_Home, 0, "extend_selection", 3, GTK_TYPE_ENUM, GTK_SCROLL_JUMP, GTK_TYPE_FLOAT, 0.0, GTK_TYPE_BOOL, TRUE); gtk_binding_entry_add_signal (binding_set, GDK_KP_End, 0, "extend_selection", 3, GTK_TYPE_ENUM, GTK_SCROLL_JUMP, GTK_TYPE_FLOAT, 1.0, GTK_TYPE_BOOL, TRUE); gtk_binding_entry_add_signal (binding_set, GDK_Left, 0, "scroll_horizontal", 2, GTK_TYPE_ENUM, GTK_SCROLL_STEP_BACKWARD, GTK_TYPE_FLOAT, 0.0); gtk_binding_entry_add_signal (binding_set, GDK_KP_Left, 0, "scroll_horizontal", 2, GTK_TYPE_ENUM, GTK_SCROLL_STEP_BACKWARD, GTK_TYPE_FLOAT, 0.0); gtk_binding_entry_add_signal (binding_set, GDK_Right, 0, "scroll_horizontal", 2, GTK_TYPE_ENUM, GTK_SCROLL_STEP_FORWARD, GTK_TYPE_FLOAT, 0.0); gtk_binding_entry_add_signal (binding_set, GDK_KP_Right, 0, "scroll_horizontal", 2, GTK_TYPE_ENUM, GTK_SCROLL_STEP_FORWARD, GTK_TYPE_FLOAT, 0.0); gtk_binding_entry_add_signal (binding_set, GDK_Home, 0, "scroll_horizontal", 2, GTK_TYPE_ENUM, GTK_SCROLL_JUMP, GTK_TYPE_FLOAT, 0.0); gtk_binding_entry_add_signal (binding_set, GDK_End, 0, "sroll_horizontal", 2, GTK_TYPE_ENUM, GTK_SCROLL_JUMP, GTK_TYPE_FLOAT, 1.0); gtk_binding_entry_add_signal (binding_set, GDK_KP_Divide, 0, "undo_selection", 0); gtk_binding_entry_add_signal (binding_set, GDK_Escape, 0, "abort_column_resize", 0); gtk_binding_entry_add_signal (binding_set, GDK_space, 0, "toggle_focus_row", 0); gtk_binding_entry_add_signal (binding_set, GDK_KP_Multiply, 0, "toggle_add_mode", 0); gtk_binding_entry_add_signal (binding_set, GDK_KP_Add, 0, "select_all", 0); gtk_binding_entry_add_signal (binding_set, GDK_KP_Subtract, 0, "unselect_all", 0); gtk_binding_entry_add_signal (binding_set, GDK_KP_Enter, 0, "end_selection", 0); } */ } static void gtk_clist_init (GtkCList * clist) { clist->flags = 0; GTK_WIDGET_UNSET_FLAGS (clist, GTK_NO_WINDOW); GTK_CLIST_SET_FLAG (clist, CLIST_FROZEN); clist->row_mem_chunk = NULL; clist->cell_mem_chunk = NULL; clist->rows = 0; clist->row_center_offset = 0; clist->row_height = 0; clist->row_list = NULL; clist->row_list_end = NULL; clist->columns = 0; clist->title_window = NULL; clist->column_title_area.x = 0; clist->column_title_area.y = 0; clist->column_title_area.width = 1; clist->column_title_area.height = 1; clist->clist_window = NULL; clist->clist_window_width = 1; clist->clist_window_height = 1; clist->hoffset = 0; clist->voffset = 0; clist->shadow_type = GTK_SHADOW_IN; clist->hscrollbar_policy = GTK_POLICY_ALWAYS; clist->vscrollbar_policy = GTK_POLICY_ALWAYS; clist->cursor_drag = NULL; clist->xor_gc = NULL; clist->fg_gc = NULL; clist->bg_gc = NULL; clist->x_drag = 0; clist->selection_mode = GTK_SELECTION_SINGLE; clist->selection = NULL; clist->selection_end = NULL; clist->undo_selection = NULL; clist->undo_unselection = NULL; GTK_WIDGET_SET_FLAGS (clist, GTK_CAN_FOCUS); GTK_CLIST_SET_FLAG (clist, CLIST_CHILD_HAS_FOCUS); clist->focus_row = -1; clist->undo_anchor = -1; clist->anchor = -1; clist->anchor_state = GTK_STATE_SELECTED; clist->drag_pos = -1; clist->htimer = 0; clist->vtimer = 0; clist->compare = default_compare; clist->sort_type = GTK_SORT_ASCENDING; clist->sort_column = 0; } /* Constructors */ void gtk_clist_construct (GtkCList * clist, gint columns, gchar *titles[]) { int i; g_return_if_fail (clist != NULL); g_return_if_fail (GTK_IS_CLIST (clist)); g_return_if_fail (GTK_CLIST_CONSTRUCTED (clist) == FALSE); GTK_CLIST_SET_FLAG (clist, CLIST_CONSTRUCTED); /* initalize memory chunks, if this has not been done by any * possibly derived widget */ if (!clist->row_mem_chunk) clist->row_mem_chunk = g_mem_chunk_new ("clist row mem chunk", sizeof (GtkCListRow), sizeof (GtkCListRow) * CLIST_OPTIMUM_SIZE, G_ALLOC_AND_FREE); if (!clist->cell_mem_chunk) clist->cell_mem_chunk = g_mem_chunk_new ("clist cell mem chunk", sizeof (GtkCell) * columns, sizeof (GtkCell) * columns * CLIST_OPTIMUM_SIZE, G_ALLOC_AND_FREE); /* set number of columns, allocate memory */ clist->columns = columns; clist->column = columns_new (clist); /* there needs to be at least one column button * because there is alot of code that will break if it * isn't there*/ column_button_create (clist, 0); /* create scrollbars */ create_scrollbars (clist); if (titles) { GTK_CLIST_SET_FLAG (clist, CLIST_SHOW_TITLES); for (i = 0; i < columns; i++) gtk_clist_set_column_title (clist, i, titles[i]); } else { GTK_CLIST_UNSET_FLAG (clist, CLIST_SHOW_TITLES); } } /* * GTKCLIST PUBLIC INTERFACE * gtk_clist_new_with_titles * gtk_clist_new */ GtkWidget * gtk_clist_new_with_titles (gint columns, gchar * titles[]) { GtkWidget *widget; g_return_val_if_fail (titles != NULL, NULL); widget = gtk_type_new (GTK_TYPE_CLIST); gtk_clist_construct (GTK_CLIST (widget), columns, titles); return widget; } GtkWidget * gtk_clist_new (gint columns) { GtkCList *clist; if (columns < 1) return NULL; clist = gtk_type_new (GTK_TYPE_CLIST); gtk_clist_construct (clist, columns, NULL); return GTK_WIDGET (clist); } void gtk_clist_set_border (GtkCList * clist, GtkShadowType border) { g_return_if_fail (clist != NULL); g_return_if_fail (GTK_IS_CLIST (clist)); clist->shadow_type = border; if (GTK_WIDGET_VISIBLE (clist)) gtk_widget_queue_resize (GTK_WIDGET (clist)); } void gtk_clist_set_selection_mode (GtkCList * clist, GtkSelectionMode mode) { g_return_if_fail (clist != NULL); g_return_if_fail (GTK_IS_CLIST (clist)); if (mode == clist->selection_mode) return; clist->selection_mode = mode; clist->anchor = -1; clist->anchor_state = GTK_STATE_SELECTED; clist->drag_pos = -1; clist->undo_anchor = clist->focus_row; g_list_free (clist->undo_selection); g_list_free (clist->undo_unselection); clist->undo_selection = NULL; clist->undo_unselection = NULL; switch (mode) { case GTK_SELECTION_MULTIPLE: case GTK_SELECTION_EXTENDED: return; case GTK_SELECTION_BROWSE: case GTK_SELECTION_SINGLE: gtk_clist_unselect_all (clist); break; } } void gtk_clist_freeze (GtkCList * clist) { g_return_if_fail (clist != NULL); g_return_if_fail (GTK_IS_CLIST (clist)); GTK_CLIST_SET_FLAG (clist, CLIST_FROZEN); } void gtk_clist_thaw (GtkCList * clist) { g_return_if_fail (clist != NULL); g_return_if_fail (GTK_IS_CLIST (clist)); GTK_CLIST_UNSET_FLAG (clist, CLIST_FROZEN); adjust_scrollbars (clist); draw_rows (clist, NULL); } void gtk_clist_column_titles_show (GtkCList * clist) { g_return_if_fail (clist != NULL); g_return_if_fail (GTK_IS_CLIST (clist)); if (!GTK_CLIST_SHOW_TITLES (clist)) { GTK_CLIST_SET_FLAG (clist, CLIST_SHOW_TITLES); if (clist->title_window) gdk_window_show (clist->title_window); gtk_widget_queue_resize (GTK_WIDGET (clist)); } } void gtk_clist_column_titles_hide (GtkCList * clist) { g_return_if_fail (clist != NULL); g_return_if_fail (GTK_IS_CLIST (clist)); if (GTK_CLIST_SHOW_TITLES (clist)) { GTK_CLIST_UNSET_FLAG (clist, CLIST_SHOW_TITLES); if (clist->title_window) gdk_window_hide (clist->title_window); gtk_widget_queue_resize (GTK_WIDGET (clist)); } } void gtk_clist_set_column_visibility (GtkCList *clist, gint column, gboolean visible) { g_return_if_fail (clist != NULL); g_return_if_fail (GTK_IS_CLIST (clist)); if (column < 0 || column >= clist->columns) return; if (clist->column[column].visible == visible) return; /* don't hide last visible column */ if (!visible) { gint i; gint vis_columns = 0; for (i = 0, vis_columns = 0; i < clist->columns && vis_columns < 2; i++) if (clist->column[i].visible) vis_columns++; if (vis_columns < 2) return; } clist->column[column].visible = visible; if (visible) gtk_widget_show (clist->column[column].button); else gtk_widget_hide (clist->column[column].button); } void gtk_clist_set_column_resizeable (GtkCList *clist, gint column, gint resizeable) { g_return_if_fail (clist != NULL); g_return_if_fail (GTK_IS_CLIST (clist)); if (column < 0 || column >= clist->columns) return; if (clist->column[column].resizeable == resizeable) return; clist->column[column].resizeable = resizeable; if (GTK_WIDGET_VISIBLE (clist)) size_allocate_title_buttons (clist); } void gtk_clist_set_column_min_width (GtkCList *clist, gint column, gint min_width) { g_return_if_fail (clist != NULL); g_return_if_fail (GTK_IS_CLIST (clist)); if (column < 0 || column >= clist->columns) return; if (clist->column[column].min_width == min_width) return; if (clist->column[column].max_width >= 0 && clist->column[column].max_width < min_width) clist->column[column].min_width = clist->column[column].max_width; else clist->column[column].min_width = min_width; if (clist->column[column].area.width < clist->column[column].min_width) gtk_clist_set_column_width (clist, column,clist->column[column].min_width); } void gtk_clist_set_column_max_width (GtkCList * clist, gint column, gint max_width) { g_return_if_fail (clist != NULL); g_return_if_fail (GTK_IS_CLIST (clist)); if (column < 0 || column >= clist->columns) return; if (clist->column[column].max_width == max_width) return; if (clist->column[column].min_width >= 0 && max_width >= 0 && clist->column[column].min_width > max_width) clist->column[column].max_width = clist->column[column].min_width; else clist->column[column].max_width = max_width; if (clist->column[column].area.width > clist->column[column].max_width) gtk_clist_set_column_width (clist, column,clist->column[column].max_width); } void gtk_clist_column_title_active (GtkCList * clist, gint column) { g_return_if_fail (clist != NULL); g_return_if_fail (GTK_IS_CLIST (clist)); if (column < 0 || column >= clist->columns) return; if (!GTK_WIDGET_SENSITIVE (clist->column[column].button) || !GTK_WIDGET_CAN_FOCUS (clist->column[column].button)) { GTK_WIDGET_SET_FLAGS (clist->column[column].button, GTK_SENSITIVE | GTK_CAN_FOCUS); if (GTK_WIDGET_VISIBLE (clist)) gtk_widget_queue_draw (clist->column[column].button); } } void gtk_clist_column_title_passive (GtkCList * clist, gint column) { g_return_if_fail (clist != NULL); g_return_if_fail (GTK_IS_CLIST (clist)); if (column < 0 || column >= clist->columns) return; if (GTK_WIDGET_SENSITIVE (clist->column[column].button) || GTK_WIDGET_CAN_FOCUS (clist->column[column].button)) { GTK_WIDGET_UNSET_FLAGS (clist->column[column].button, GTK_SENSITIVE | GTK_CAN_FOCUS); if (GTK_WIDGET_VISIBLE (clist)) gtk_widget_queue_draw (clist->column[column].button); } } void gtk_clist_column_titles_active (GtkCList * clist) { gint i; g_return_if_fail (clist != NULL); g_return_if_fail (GTK_IS_CLIST (clist)); for (i = 0; i < clist->columns; i++) if (clist->column[i].button) gtk_clist_column_title_active (clist, i); } void gtk_clist_column_titles_passive (GtkCList * clist) { gint i; g_return_if_fail (clist != NULL); g_return_if_fail (GTK_IS_CLIST (clist)); for (i = 0; i < clist->columns; i++) if (clist->column[i].button) gtk_clist_column_title_passive (clist, i); } void gtk_clist_set_column_title (GtkCList *clist, gint column, const gchar *title) { gint new_button = 0; GtkWidget *old_widget; GtkWidget *alignment = NULL; GtkWidget *label; g_return_if_fail (clist != NULL); g_return_if_fail (GTK_IS_CLIST (clist)); if (column < 0 || column >= clist->columns) return; /* if the column button doesn't currently exist, * it has to be created first */ if (!clist->column[column].button) { column_button_create (clist, column); new_button = 1; } column_title_new (clist, column, title); /* remove and destroy the old widget */ old_widget = GTK_BIN (clist->column[column].button)->child; if (old_widget) gtk_container_remove (GTK_CONTAINER (clist->column[column].button), old_widget); /* create new alignment based no column justification */ switch (clist->column[column].justification) { case GTK_JUSTIFY_LEFT: alignment = gtk_alignment_new (0.0, 0.5, 0.0, 0.0); break; case GTK_JUSTIFY_RIGHT: alignment = gtk_alignment_new (1.0, 0.5, 0.0, 0.0); break; case GTK_JUSTIFY_CENTER: alignment = gtk_alignment_new (0.5, 0.5, 0.0, 0.0); break; case GTK_JUSTIFY_FILL: alignment = gtk_alignment_new (0.5, 0.5, 0.0, 0.0); break; } label = gtk_label_new (clist->column[column].title); gtk_container_add (GTK_CONTAINER (alignment), label); gtk_container_add (GTK_CONTAINER (clist->column[column].button), alignment); gtk_widget_show (label); gtk_widget_show (alignment); /* if this button didn't previously exist, then the * column button positions have to be re-computed */ if (GTK_WIDGET_VISIBLE (clist) && new_button) size_allocate_title_buttons (clist); } void gtk_clist_set_column_widget (GtkCList * clist, gint column, GtkWidget * widget) { gint new_button = 0; GtkWidget *old_widget; g_return_if_fail (clist != NULL); g_return_if_fail (GTK_IS_CLIST (clist)); if (column < 0 || column >= clist->columns) return; /* if the column button doesn't currently exist, * it has to be created first */ if (!clist->column[column].button) { column_button_create (clist, column); new_button = 1; } column_title_new (clist, column, NULL); /* remove and destroy the old widget */ old_widget = GTK_BIN (clist->column[column].button)->child; if (old_widget) gtk_container_remove (GTK_CONTAINER (clist->column[column].button), old_widget); /* add and show the widget */ if (widget) { gtk_container_add (GTK_CONTAINER (clist->column[column].button), widget); gtk_widget_show (widget); } /* if this button didn't previously exist, then the * column button positions have to be re-computed */ if (GTK_WIDGET_VISIBLE (clist) && new_button) size_allocate_title_buttons (clist); } void gtk_clist_set_column_justification (GtkCList * clist, gint column, GtkJustification justification) { GtkWidget *alignment; g_return_if_fail (clist != NULL); g_return_if_fail (GTK_IS_CLIST (clist)); if (column < 0 || column >= clist->columns) return; clist->column[column].justification = justification; /* change the alinment of the button title if it's not a * custom widget */ if (clist->column[column].title) { alignment = GTK_BIN (clist->column[column].button)->child; switch (clist->column[column].justification) { case GTK_JUSTIFY_LEFT: gtk_alignment_set (GTK_ALIGNMENT (alignment), 0.0, 0.5, 0.0, 0.0); break; case GTK_JUSTIFY_RIGHT: gtk_alignment_set (GTK_ALIGNMENT (alignment), 1.0, 0.5, 0.0, 0.0); break; case GTK_JUSTIFY_CENTER: gtk_alignment_set (GTK_ALIGNMENT (alignment), 0.5, 0.5, 0.0, 0.0); break; case GTK_JUSTIFY_FILL: gtk_alignment_set (GTK_ALIGNMENT (alignment), 0.5, 0.5, 0.0, 0.0); break; default: break; } } if (!GTK_CLIST_FROZEN (clist)) draw_rows (clist, NULL); } static void real_resize_column (GtkCList * clist, gint column, gint width) { g_return_if_fail (clist != NULL); g_return_if_fail (GTK_IS_CLIST (clist)); if (column < 0 || column >= clist->columns) return; if (width < MAX (COLUMN_MIN_WIDTH, clist->column[column].min_width)) width = MAX (COLUMN_MIN_WIDTH, clist->column[column].min_width); if (clist->column[column].max_width >= 0 && width > clist->column[column].max_width) width = clist->column[column].max_width; clist->column[column].width = width; clist->column[column].width_set = TRUE; /* FIXME: this is quite expensive to do if the widget hasn't * been size_allocated yet, and pointless. Should * a flag be kept */ size_allocate_columns (clist); size_allocate_title_buttons (clist); if (!GTK_CLIST_FROZEN (clist)) { adjust_scrollbars (clist); draw_rows (clist, NULL); } } void gtk_clist_set_column_width (GtkCList * clist, gint column, gint width) { g_return_if_fail (clist != NULL); g_return_if_fail (GTK_IS_CLIST (clist)); if (column < 0 || column >= clist->columns) return; gtk_signal_emit (GTK_OBJECT (clist), clist_signals[RESIZE_COLUMN], column, width); } void gtk_clist_set_row_height (GtkCList * clist, gint height) { gint text_height; g_return_if_fail (clist != NULL); g_return_if_fail (GTK_IS_CLIST (clist)); if (height > 0) clist->row_height = height; else return; GTK_CLIST_SET_FLAG (clist, CLIST_ROW_HEIGHT_SET); if (GTK_WIDGET_REALIZED (clist)) { text_height = height - (GTK_WIDGET (clist)->style->font->ascent + GTK_WIDGET (clist) ->style->font->descent + 1); clist->row_center_offset = (text_height / 2) + GTK_WIDGET (clist)->style->font->ascent + 1.5; } if (!GTK_CLIST_FROZEN (clist)) { adjust_scrollbars (clist); draw_rows (clist, NULL); } } void gtk_clist_moveto (GtkCList * clist, gint row, gint column, gfloat row_align, gfloat col_align) { g_return_if_fail (clist != NULL); g_return_if_fail (GTK_IS_CLIST (clist)); if (row < -1 || row >= clist->rows) return; if (column < -1 || column >= clist->columns) return; row_align = CLAMP (row_align, 0, 1); col_align = CLAMP (col_align, 0, 1); /* adjust horizontal scrollbar */ if (column >= 0) { GtkAdjustment *adj; gint x; adj = GTK_RANGE (clist->hscrollbar)->adjustment; x = COLUMN_LEFT (clist, column) - CELL_SPACING - COLUMN_INSET - (col_align * (clist->clist_window_width - 2 * COLUMN_INSET - CELL_SPACING - clist->column[column].area.width)); if (x < 0) gtk_adjustment_set_value (adj, 0.0); else if (x > LIST_WIDTH (clist) - clist->clist_window_width) gtk_adjustment_set_value (adj, LIST_WIDTH (clist) - clist->clist_window_width); else gtk_adjustment_set_value (adj, x); } /* adjust vertical scrollbar */ if (row >= 0) move_vertical (clist, row, row_align); } GtkCellType gtk_clist_get_cell_type (GtkCList * clist, gint row, gint column) { GtkCListRow *clist_row; g_return_val_if_fail (clist != NULL, -1); g_return_val_if_fail (GTK_IS_CLIST (clist), -1); if (row < 0 || row >= clist->rows) return -1; if (column < 0 || column >= clist->columns) return -1; clist_row = (g_list_nth (clist->row_list, row))->data; return clist_row->cell[column].type; } void gtk_clist_set_text (GtkCList *clist, gint row, gint column, const gchar *text) { GtkCListRow *clist_row; g_return_if_fail (clist != NULL); g_return_if_fail (GTK_IS_CLIST (clist)); if (row < 0 || row >= clist->rows) return; if (column < 0 || column >= clist->columns) return; clist_row = (g_list_nth (clist->row_list, row))->data; /* if text is null, then the cell is empty */ GTK_CLIST_CLASS_FW (clist)->set_cell_contents (clist, clist_row, column, GTK_CELL_TEXT, text, 0, NULL, NULL); /* redraw the list if it's not frozen */ if (!GTK_CLIST_FROZEN (clist)) { if (gtk_clist_row_is_visible (clist, row) != GTK_VISIBILITY_NONE) GTK_CLIST_CLASS_FW (clist)->draw_row (clist, NULL, row, clist_row); } } gint gtk_clist_get_text (GtkCList * clist, gint row, gint column, gchar ** text) { GtkCListRow *clist_row; g_return_val_if_fail (clist != NULL, 0); g_return_val_if_fail (GTK_IS_CLIST (clist), 0); if (row < 0 || row >= clist->rows) return 0; if (column < 0 || column >= clist->columns) return 0; clist_row = (g_list_nth (clist->row_list, row))->data; if (clist_row->cell[column].type != GTK_CELL_TEXT) return 0; if (text) *text = GTK_CELL_TEXT (clist_row->cell[column])->text; return 1; } void gtk_clist_set_pixmap (GtkCList * clist, gint row, gint column, GdkPixmap * pixmap, GdkBitmap * mask) { GtkCListRow *clist_row; g_return_if_fail (clist != NULL); g_return_if_fail (GTK_IS_CLIST (clist)); if (row < 0 || row >= clist->rows) return; if (column < 0 || column >= clist->columns) return; clist_row = (g_list_nth (clist->row_list, row))->data; gdk_pixmap_ref (pixmap); if (mask) gdk_pixmap_ref (mask); GTK_CLIST_CLASS_FW (clist)->set_cell_contents (clist, clist_row, column, GTK_CELL_PIXMAP, NULL, 0, pixmap, mask); /* redraw the list if it's not frozen */ if (!GTK_CLIST_FROZEN (clist)) { if (gtk_clist_row_is_visible (clist, row) != GTK_VISIBILITY_NONE) GTK_CLIST_CLASS_FW (clist)->draw_row (clist, NULL, row, clist_row); } } gint gtk_clist_get_pixmap (GtkCList * clist, gint row, gint column, GdkPixmap ** pixmap, GdkBitmap ** mask) { GtkCListRow *clist_row; g_return_val_if_fail (clist != NULL, 0); g_return_val_if_fail (GTK_IS_CLIST (clist), 0); if (row < 0 || row >= clist->rows) return 0; if (column < 0 || column >= clist->columns) return 0; clist_row = (g_list_nth (clist->row_list, row))->data; if (clist_row->cell[column].type != GTK_CELL_PIXMAP) return 0; if (pixmap) { *pixmap = GTK_CELL_PIXMAP (clist_row->cell[column])->pixmap; /* mask can be NULL */ *mask = GTK_CELL_PIXMAP (clist_row->cell[column])->mask; } return 1; } void gtk_clist_set_pixtext (GtkCList *clist, gint row, gint column, const gchar *text, guint8 spacing, GdkPixmap *pixmap, GdkBitmap *mask) { GtkCListRow *clist_row; g_return_if_fail (clist != NULL); g_return_if_fail (GTK_IS_CLIST (clist)); if (row < 0 || row >= clist->rows) return; if (column < 0 || column >= clist->columns) return; clist_row = (g_list_nth (clist->row_list, row))->data; gdk_pixmap_ref (pixmap); if (mask) gdk_pixmap_ref (mask); GTK_CLIST_CLASS_FW (clist)->set_cell_contents (clist, clist_row, column, GTK_CELL_PIXTEXT, text, spacing, pixmap, mask); /* redraw the list if it's not frozen */ if (!GTK_CLIST_FROZEN (clist)) { if (gtk_clist_row_is_visible (clist, row) != GTK_VISIBILITY_NONE) GTK_CLIST_CLASS_FW (clist)->draw_row (clist, NULL, row, clist_row); } } gint gtk_clist_get_pixtext (GtkCList * clist, gint row, gint column, gchar ** text, guint8 * spacing, GdkPixmap ** pixmap, GdkBitmap ** mask) { GtkCListRow *clist_row; g_return_val_if_fail (clist != NULL, 0); g_return_val_if_fail (GTK_IS_CLIST (clist), 0); if (row < 0 || row >= clist->rows) return 0; if (column < 0 || column >= clist->columns) return 0; clist_row = (g_list_nth (clist->row_list, row))->data; if (clist_row->cell[column].type != GTK_CELL_PIXTEXT) return 0; if (text) *text = GTK_CELL_PIXTEXT (clist_row->cell[column])->text; if (spacing) *spacing = GTK_CELL_PIXTEXT (clist_row->cell[column])->spacing; if (pixmap) *pixmap = GTK_CELL_PIXTEXT (clist_row->cell[column])->pixmap; /* mask can be NULL */ *mask = GTK_CELL_PIXTEXT (clist_row->cell[column])->mask; return 1; } void gtk_clist_set_foreground (GtkCList * clist, gint row, GdkColor * color) { GtkCListRow *clist_row; g_return_if_fail (clist != NULL); g_return_if_fail (GTK_IS_CLIST (clist)); if (row < 0 || row >= clist->rows) return; clist_row = (g_list_nth (clist->row_list, row))->data; if (color) { clist_row->foreground = *color; clist_row->fg_set = TRUE; } else clist_row->fg_set = FALSE; if (!GTK_CLIST_FROZEN (clist) && (gtk_clist_row_is_visible (clist, row) != GTK_VISIBILITY_NONE)) GTK_CLIST_CLASS_FW (clist)->draw_row (clist, NULL, row, clist_row); } void gtk_clist_set_background (GtkCList * clist, gint row, GdkColor * color) { GtkCListRow *clist_row; g_return_if_fail (clist != NULL); g_return_if_fail (GTK_IS_CLIST (clist)); if (row < 0 || row >= clist->rows) return; clist_row = (g_list_nth (clist->row_list, row))->data; if (color) { clist_row->background = *color; clist_row->bg_set = TRUE; } else clist_row->bg_set = FALSE; if (!GTK_CLIST_FROZEN (clist) && (gtk_clist_row_is_visible (clist, row) != GTK_VISIBILITY_NONE)) GTK_CLIST_CLASS_FW (clist)->draw_row (clist, NULL, row, clist_row); } void gtk_clist_set_shift (GtkCList * clist, gint row, gint column, gint vertical, gint horizontal) { GtkCListRow *clist_row; g_return_if_fail (clist != NULL); g_return_if_fail (GTK_IS_CLIST (clist)); if (row < 0 || row >= clist->rows) return; if (column < 0 || column >= clist->columns) return; clist_row = (g_list_nth (clist->row_list, row))->data; clist_row->cell[column].vertical = vertical; clist_row->cell[column].horizontal = horizontal; if (!GTK_CLIST_FROZEN (clist) && (gtk_clist_row_is_visible (clist, row) != GTK_VISIBILITY_NONE)) GTK_CLIST_CLASS_FW (clist)->draw_row (clist, NULL, row, clist_row); } void gtk_clist_set_selectable (GtkCList *clist, gint row, gboolean selectable) { GtkCListRow *clist_row; g_return_if_fail (clist != NULL); g_return_if_fail (GTK_IS_CLIST (clist)); if (row < 0 || row >= clist->rows) return; clist_row = (g_list_nth (clist->row_list, row))->data; if (selectable == clist_row->selectable) return; clist_row->selectable = selectable; if (!selectable && clist_row->state == GTK_STATE_SELECTED) { if (clist->anchor >= 0 && clist->selection_mode == GTK_SELECTION_EXTENDED) { if ((gdk_pointer_is_grabbed () && GTK_WIDGET_HAS_FOCUS (clist))) { GTK_CLIST_UNSET_FLAG (clist, CLIST_DRAG_SELECTION); gtk_grab_remove (GTK_WIDGET (clist)); gdk_pointer_ungrab (GDK_CURRENT_TIME); if (clist->htimer) { gtk_timeout_remove (clist->htimer); clist->htimer = 0; } if (clist->vtimer) { gtk_timeout_remove (clist->vtimer); clist->vtimer = 0; } } GTK_CLIST_CLASS_FW (clist)->resync_selection (clist, NULL); } unselect_row (clist, row, -1, NULL); } } gboolean gtk_clist_get_selectable (GtkCList *clist, gint row) { g_return_val_if_fail (clist != NULL, FALSE); g_return_val_if_fail (GTK_IS_CLIST (clist), FALSE); if (row < 0 || row >= clist->rows) return FALSE; return GTK_CLIST_ROW (g_list_nth (clist->row_list, row))->selectable; } gint gtk_clist_prepend (GtkCList *clist, gchar *text[]) { g_return_val_if_fail (clist != NULL, -1); g_return_val_if_fail (GTK_IS_CLIST (clist), -1); g_return_val_if_fail (text != NULL, -1); return GTK_CLIST_CLASS_FW (clist)->insert_row (clist, 0, text); } gint gtk_clist_append (GtkCList *clist, gchar *text[]) { g_return_val_if_fail (clist != NULL, -1); g_return_val_if_fail (GTK_IS_CLIST (clist), -1); g_return_val_if_fail (text != NULL, -1); return GTK_CLIST_CLASS_FW (clist)->insert_row (clist, clist->rows, text); } gint gtk_clist_insert (GtkCList *clist, gint row, gchar *text[]) { g_return_val_if_fail (clist != NULL, -1); g_return_val_if_fail (GTK_IS_CLIST (clist), -1); g_return_val_if_fail (text != NULL, -1); if (row < 0 || row > clist->rows) row = clist->rows; return GTK_CLIST_CLASS_FW (clist)->insert_row (clist, row, text); } static gint real_insert_row (GtkCList *clist, gint row, gchar *text[]) { gint i; GtkCListRow *clist_row; g_return_val_if_fail (clist != NULL, -1); g_return_val_if_fail (GTK_IS_CLIST (clist), -1); g_return_val_if_fail (text != NULL, -1); /* return if out of bounds */ if (row < 0 || row > clist->rows) return -1; /* create the row */ clist_row = row_new (clist); /* set the text in the row's columns */ for (i = 0; i < clist->columns; i++) if (text[i]) GTK_CLIST_CLASS_FW (clist)->set_cell_contents (clist, clist_row, i, GTK_CELL_TEXT, text[i], 0, NULL ,NULL); if (!clist->rows) { clist->row_list = g_list_append (clist->row_list, clist_row); clist->row_list_end = clist->row_list; } else { if (GTK_CLIST_AUTO_SORT (clist)) /* override insertion pos */ { GList *work; row = 0; work = clist->row_list; if (clist->sort_type == GTK_SORT_ASCENDING) { while (row < clist->rows && clist->compare (clist, clist_row, GTK_CLIST_ROW (work)) > 0) { row++; work = work->next; } } else { while (row < clist->rows && clist->compare (clist, clist_row, GTK_CLIST_ROW (work)) < 0) { row++; work = work->next; } } } /* reset the row end pointer if we're inserting at the end of the list */ if (row == clist->rows) clist->row_list_end = (g_list_append (clist->row_list_end, clist_row))->next; else clist->row_list = g_list_insert (clist->row_list, clist_row, row); } clist->rows++; if (row < ROW_FROM_YPIXEL (clist, 0)) clist->voffset -= (clist->row_height + CELL_SPACING); /* syncronize the selection list */ sync_selection (clist, row, SYNC_INSERT); /* redraw the list if it isn't frozen */ if (!GTK_CLIST_FROZEN (clist)) { adjust_scrollbars (clist); if (gtk_clist_row_is_visible (clist, row) != GTK_VISIBILITY_NONE) draw_rows (clist, NULL); } return row; } void gtk_clist_remove (GtkCList * clist, gint row) { GTK_CLIST_CLASS_FW (clist)->remove_row (clist, row); } static void real_remove_row (GtkCList * clist, gint row) { gint was_visible, was_selected; GList *list; GtkCListRow *clist_row; g_return_if_fail (clist != NULL); g_return_if_fail (GTK_IS_CLIST (clist)); /* return if out of bounds */ if (row < 0 || row > (clist->rows - 1)) return; was_visible = (gtk_clist_row_is_visible (clist, row) != GTK_VISIBILITY_NONE); was_selected = 0; /* get the row we're going to delete */ list = g_list_nth (clist->row_list, row); clist_row = list->data; /* if we're removing a selected row, we have to make sure * it's properly unselected, and then sync up the clist->selected * list to reflect the deincrimented indexies of rows after the * removal */ if (clist_row->state == GTK_STATE_SELECTED) { switch (clist->selection_mode) { case GTK_SELECTION_SINGLE: case GTK_SELECTION_MULTIPLE: case GTK_SELECTION_EXTENDED: unselect_row (clist, row, -1, NULL); break; case GTK_SELECTION_BROWSE: select_row (clist, row - 1, -1, NULL); break; default: break; } } /* reset the row end pointer if we're removing at the * end of the list */ if (row == clist->rows - 1) clist->row_list_end = list->prev; if (row >= clist->focus_row && clist->focus_row >=0) clist->focus_row--; clist->row_list = g_list_remove (clist->row_list, clist_row); clist->rows--; if (row < ROW_FROM_YPIXEL (clist, 0)) clist->voffset += clist->row_height + CELL_SPACING; sync_selection (clist, row, SYNC_REMOVE); /* toast the row */ row_delete (clist, clist_row); /* redraw the row if it isn't frozen */ if (!GTK_CLIST_FROZEN (clist)) { adjust_scrollbars (clist); if (was_visible) draw_rows (clist, NULL); } } static void sync_selection (GtkCList * clist, gint row, gint mode) { GList *list; gint d; if (mode == SYNC_INSERT) d = 1; else d = -1; if (clist->focus_row >= row) { clist->focus_row += d; if (clist->focus_row == -1 && clist->rows >= 1) clist->focus_row = 0; } if (clist->selection_mode == GTK_SELECTION_BROWSE && clist->anchor != -1) GTK_CLIST_CLASS_FW (clist)->resync_selection (clist, NULL); g_list_free (clist->undo_selection); g_list_free (clist->undo_unselection); clist->undo_selection = NULL; clist->undo_unselection = NULL; clist->anchor = -1; clist->drag_pos = -1; clist->undo_anchor = clist->focus_row; list = clist->selection; while (list) { if (GPOINTER_TO_INT (list->data) >= row) list->data = ((gchar*) list->data) + d; list = list->next; } } void gtk_clist_clear (GtkCList * clist) { g_return_if_fail (clist != NULL); g_return_if_fail (GTK_IS_CLIST (clist)); GTK_CLIST_CLASS_FW (clist)->clear (clist); } static void real_clear (GtkCList * clist) { GList *list, *free_list; g_return_if_fail (clist != NULL); g_return_if_fail (GTK_IS_CLIST (clist)); /* free up the selection list */ g_list_free (clist->selection); g_list_free (clist->undo_selection); g_list_free (clist->undo_unselection); clist->selection = NULL; clist->selection_end = NULL; clist->undo_selection = NULL; clist->undo_unselection = NULL; clist->voffset = 0; clist->focus_row = -1; clist->anchor = -1; clist->undo_anchor = -1; clist->anchor_state = GTK_STATE_SELECTED; clist->drag_pos = -1; /* remove all the rows */ free_list = clist->row_list; clist->row_list = NULL; clist->row_list_end = NULL; clist->rows = 0; for (list = free_list; list; list = list->next) row_delete (clist, GTK_CLIST_ROW (list)); g_list_free (free_list); /* zero-out the scrollbars */ if (clist->vscrollbar) { GTK_RANGE (clist->vscrollbar)->adjustment->value = 0.0; gtk_signal_emit_by_name (GTK_OBJECT (GTK_RANGE (clist->vscrollbar)->adjustment), "changed"); if (!GTK_CLIST_FROZEN (clist)) gtk_clist_thaw (clist); } } void gtk_clist_swap_rows (GtkCList * clist, gint row1, gint row2) { gint first, last; GList *list, *link1, *link2; gpointer swap; g_return_if_fail (clist != NULL); g_return_if_fail (GTK_IS_CLIST (clist)); if (GTK_CLIST_AUTO_SORT (clist)) return; if (row1 < 0 || row1 > (clist->rows - 1)) return; if (row2 < 0 || row2 > (clist->rows - 1)) return; first = MIN (row1, row2); last = MAX (row1, row2); link1 = g_list_nth (clist->row_list, first); link2 = g_list_nth (link1, row2 - row1); swap = link1->data; link1->data = link2->data; link2->data = swap; list = clist->selection; while (list) { if (GPOINTER_TO_INT (list->data) == row1) list->data = GINT_TO_POINTER (row2); if (GPOINTER_TO_INT (list->data) == row2) list->data = GINT_TO_POINTER (row1); list = list->next; } if (!GTK_CLIST_FROZEN (clist)) { if (gtk_clist_row_is_visible (clist, row1) != GTK_VISIBILITY_NONE) GTK_CLIST_CLASS_FW (clist)->draw_row (clist, NULL, row1, GTK_CLIST_ROW (link2)); if (gtk_clist_row_is_visible (clist, row2) != GTK_VISIBILITY_NONE) GTK_CLIST_CLASS_FW (clist)->draw_row (clist, NULL, row2, GTK_CLIST_ROW (link1)); } } void gtk_clist_set_row_data (GtkCList * clist, gint row, gpointer data) { gtk_clist_set_row_data_full (clist, row, data, NULL); } void gtk_clist_set_row_data_full (GtkCList * clist, gint row, gpointer data, GtkDestroyNotify destroy) { GtkCListRow *clist_row; g_return_if_fail (clist != NULL); g_return_if_fail (GTK_IS_CLIST (clist)); if (row < 0 || row > (clist->rows - 1)) return; clist_row = (g_list_nth (clist->row_list, row))->data; clist_row->data = data; clist_row->destroy = destroy; } gpointer gtk_clist_get_row_data (GtkCList * clist, gint row) { GtkCListRow *clist_row; g_return_val_if_fail (clist != NULL, NULL); g_return_val_if_fail (GTK_IS_CLIST (clist), NULL); if (row < 0 || row > (clist->rows - 1)) return NULL; clist_row = (g_list_nth (clist->row_list, row))->data; return clist_row->data; } gint gtk_clist_find_row_from_data (GtkCList * clist, gpointer data) { GList *list; gint n; g_return_val_if_fail (clist != NULL, -1); g_return_val_if_fail (GTK_IS_CLIST (clist), -1); if (clist->rows < 1) return -1; /* is this an optimization or just worthless? */ for (n = 0, list = clist->row_list; list; n++, list = list->next) if (GTK_CLIST_ROW (list)->data == data) return n; return -1; } void gtk_clist_select_row (GtkCList * clist, gint row, gint column) { g_return_if_fail (clist != NULL); g_return_if_fail (GTK_IS_CLIST (clist)); if (row < 0 || row >= clist->rows) return; if (column < -1 || column >= clist->columns) return; select_row (clist, row, column, NULL); } void gtk_clist_unselect_row (GtkCList * clist, gint row, gint column) { g_return_if_fail (clist != NULL); g_return_if_fail (GTK_IS_CLIST (clist)); if (row < 0 || row >= clist->rows) return; if (column < -1 || column >= clist->columns) return; unselect_row (clist, row, column, NULL); } GtkVisibility gtk_clist_row_is_visible (GtkCList * clist, gint row) { gint top; g_return_val_if_fail (clist != NULL, 0); g_return_val_if_fail (GTK_IS_CLIST (clist), 0); if (row < 0 || row >= clist->rows) return GTK_VISIBILITY_NONE; if (clist->row_height == 0) return GTK_VISIBILITY_NONE; if (row < ROW_FROM_YPIXEL (clist, 0)) return GTK_VISIBILITY_NONE; if (row > ROW_FROM_YPIXEL (clist, clist->clist_window_height)) return GTK_VISIBILITY_NONE; top = ROW_TOP_YPIXEL (clist, row); if ((top < 0) || ((top + clist->row_height) >= clist->clist_window_height)) return GTK_VISIBILITY_PARTIAL; return GTK_VISIBILITY_FULL; } #if 0 static GtkAdjustment* gtk_clist_get_vadjustment (GtkCList * clist) { g_return_val_if_fail (clist != NULL, NULL); g_return_val_if_fail (GTK_IS_CLIST (clist), NULL); return gtk_range_get_adjustment (GTK_RANGE (clist->vscrollbar)); } static GtkAdjustment* gtk_clist_get_hadjustment (GtkCList * clist) { g_return_val_if_fail (clist != NULL, NULL); g_return_val_if_fail (GTK_IS_CLIST (clist), NULL); return gtk_range_get_adjustment (GTK_RANGE (clist->hscrollbar)); } #endif void gtk_clist_set_policy (GtkCList * clist, GtkPolicyType vscrollbar_policy, GtkPolicyType hscrollbar_policy) { g_return_if_fail (clist != NULL); g_return_if_fail (GTK_IS_CLIST (clist)); if (clist->vscrollbar_policy != vscrollbar_policy) { clist->vscrollbar_policy = vscrollbar_policy; if (GTK_WIDGET (clist)->parent) gtk_widget_queue_resize (GTK_WIDGET (clist)); } if (clist->hscrollbar_policy != hscrollbar_policy) { clist->hscrollbar_policy = hscrollbar_policy; if (GTK_WIDGET (clist)->parent) gtk_widget_queue_resize (GTK_WIDGET (clist)); } } void gtk_clist_undo_selection (GtkCList *clist) { g_return_if_fail (clist != NULL); g_return_if_fail (GTK_IS_CLIST (clist)); if (clist->selection_mode == GTK_SELECTION_EXTENDED && (clist->undo_selection || clist->undo_unselection)) gtk_signal_emit (GTK_OBJECT (clist), clist_signals[UNDO_SELECTION]); } static void real_undo_selection (GtkCList *clist) { GList *work; g_return_if_fail (clist != NULL); g_return_if_fail (GTK_IS_CLIST (clist)); if ((gdk_pointer_is_grabbed () && GTK_WIDGET_HAS_GRAB (clist)) || clist->selection_mode != GTK_SELECTION_EXTENDED) return; if (clist->anchor >= 0) GTK_CLIST_CLASS_FW (clist)->resync_selection (clist, NULL); if (!(clist->undo_selection || clist->undo_unselection)) { gtk_clist_unselect_all (clist); return; } for (work = clist->undo_selection; work; work = work->next) gtk_signal_emit (GTK_OBJECT (clist), clist_signals[SELECT_ROW], GPOINTER_TO_INT (work->data), -1, NULL); for (work = clist->undo_unselection; work; work = work->next) gtk_signal_emit (GTK_OBJECT (clist), clist_signals[UNSELECT_ROW], GPOINTER_TO_INT (work->data), -1, NULL); if (GTK_WIDGET_HAS_FOCUS (clist) && clist->focus_row != clist->undo_anchor) { gtk_clist_draw_focus (GTK_WIDGET (clist)); clist->focus_row = clist->undo_anchor; gtk_clist_draw_focus (GTK_WIDGET (clist)); } else clist->focus_row = clist->undo_anchor; clist->undo_anchor = -1; g_list_free (clist->undo_selection); g_list_free (clist->undo_unselection); clist->undo_selection = NULL; clist->undo_unselection = NULL; if (ROW_TOP_YPIXEL (clist, clist->focus_row) + clist->row_height > clist->clist_window_height) gtk_clist_moveto (clist, clist->focus_row, -1, 1, 0); else if (ROW_TOP_YPIXEL (clist, clist->focus_row) < 0) gtk_clist_moveto (clist, clist->focus_row, -1, 0, 0); } /* * GTKOBJECT * gtk_clist_destroy * gtk_clist_finalize */ static void gtk_clist_destroy (GtkObject * object) { gint i; GtkCList *clist; g_return_if_fail (object != NULL); g_return_if_fail (GTK_IS_CLIST (object)); clist = GTK_CLIST (object); /* freeze the list */ GTK_CLIST_SET_FLAG (clist, CLIST_FROZEN); /* get rid of all the rows */ gtk_clist_clear (clist); /* Since we don't have a _remove method, unparent the children * instead of destroying them so the focus will be unset properly. * (For other containers, the _remove method takes care of the * unparent) The destroy will happen when the refcount drops * to zero. */ /* destroy the scrollbars */ if (clist->vscrollbar) { gtk_widget_unparent (clist->vscrollbar); clist->vscrollbar = NULL; } if (clist->hscrollbar) { gtk_widget_unparent (clist->hscrollbar); clist->hscrollbar = NULL; } if (clist->htimer) { gtk_timeout_remove (clist->htimer); clist->htimer = 0; } if (clist->vtimer) { gtk_timeout_remove (clist->vtimer); clist->vtimer = 0; } /* destroy the column buttons */ for (i = 0; i < clist->columns; i++) if (clist->column[i].button) { gtk_widget_unparent (clist->column[i].button); clist->column[i].button = NULL; } if (GTK_OBJECT_CLASS (parent_class)->destroy) (*GTK_OBJECT_CLASS (parent_class)->destroy) (object); } static void gtk_clist_finalize (GtkObject * object) { GtkCList *clist; g_return_if_fail (object != NULL); g_return_if_fail (GTK_IS_CLIST (object)); clist = GTK_CLIST (object); columns_delete (clist); g_mem_chunk_destroy (clist->cell_mem_chunk); g_mem_chunk_destroy (clist->row_mem_chunk); if (GTK_OBJECT_CLASS (parent_class)->finalize) (*GTK_OBJECT_CLASS (parent_class)->finalize) (object); } /* * GTKWIDGET * gtk_clist_realize * gtk_clist_unrealize * gtk_clist_map * gtk_clist_unmap * gtk_clist_draw * gtk_clist_expose * gtk_clist_button_press * gtk_clist_button_release * gtk_clist_motion * gtk_clist_size_request * gtk_clist_size_allocate */ static void gtk_clist_realize (GtkWidget * widget) { gint i; GtkCList *clist; GdkWindowAttr attributes; gint attributes_mask; GdkGCValues values; gint border_width; g_return_if_fail (widget != NULL); g_return_if_fail (GTK_IS_CLIST (widget)); clist = GTK_CLIST (widget); GTK_WIDGET_SET_FLAGS (widget, GTK_REALIZED); add_style_data (clist); border_width = GTK_CONTAINER (widget)->border_width; attributes.window_type = GDK_WINDOW_CHILD; attributes.x = widget->allocation.x + border_width; attributes.y = widget->allocation.y + border_width; attributes.width = widget->allocation.width - border_width * 2; attributes.height = widget->allocation.height - border_width * 2; attributes.wclass = GDK_INPUT_OUTPUT; attributes.visual = gtk_widget_get_visual (widget); attributes.colormap = gtk_widget_get_colormap (widget); attributes.event_mask = gtk_widget_get_events (widget); attributes.event_mask |= (GDK_EXPOSURE_MASK | GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK | GDK_KEY_PRESS_MASK | GDK_KEY_RELEASE_MASK); attributes_mask = GDK_WA_X | GDK_WA_Y | GDK_WA_VISUAL | GDK_WA_COLORMAP; /* main window */ widget->window = gdk_window_new (gtk_widget_get_parent_window (widget), &attributes, attributes_mask); gdk_window_set_user_data (widget->window, clist); widget->style = gtk_style_attach (widget->style, widget->window); gtk_style_set_background (widget->style, widget->window, GTK_STATE_NORMAL); /* column-title window */ attributes.x = clist->column_title_area.x; attributes.y = clist->column_title_area.y; attributes.width = clist->column_title_area.width; attributes.height = clist->column_title_area.height; clist->title_window = gdk_window_new (widget->window, &attributes, attributes_mask); gdk_window_set_user_data (clist->title_window, clist); gtk_style_set_background (widget->style, clist->title_window, GTK_STATE_SELECTED); gdk_window_show (clist->title_window); /* set things up so column buttons are drawn in title window */ for (i = 0; i < clist->columns; i++) if (clist->column[i].button) gtk_widget_set_parent_window (clist->column[i].button, clist->title_window); /* clist-window */ attributes.x = clist->internal_allocation.x + widget->style->klass->xthickness; attributes.y = clist->internal_allocation.y + widget->style->klass->ythickness + clist->column_title_area.height; attributes.width = clist->clist_window_width; attributes.height = clist->clist_window_height; clist->clist_window = gdk_window_new (widget->window, &attributes, attributes_mask); gdk_window_set_user_data (clist->clist_window, clist); gdk_window_set_background (clist->clist_window, &widget->style->bg[GTK_STATE_PRELIGHT]); gdk_window_show (clist->clist_window); gdk_window_get_size (clist->clist_window, &clist->clist_window_width, &clist->clist_window_height); /* create resize windows */ attributes.wclass = GDK_INPUT_ONLY; attributes.event_mask = (GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK | GDK_POINTER_MOTION_MASK | GDK_POINTER_MOTION_HINT_MASK | GDK_KEY_PRESS_MASK); attributes.cursor = clist->cursor_drag = gdk_cursor_new (GDK_SB_H_DOUBLE_ARROW); attributes_mask = GDK_WA_CURSOR; attributes.x = LIST_WIDTH (clist) + 1; attributes.y = 0; attributes.width = 0; attributes.height = 0; for (i = 0; i < clist->columns; i++) { clist->column[i].window = gdk_window_new (clist->title_window, &attributes, attributes_mask); gdk_window_set_user_data (clist->column[i].window, clist); } /* This is slightly less efficient than creating them with the * right size to begin with, but easier */ size_allocate_title_buttons (clist); /* GCs */ clist->fg_gc = gdk_gc_new (widget->window); clist->bg_gc = gdk_gc_new (widget->window); /* We'll use this gc to do scrolling as well */ gdk_gc_set_exposures (clist->fg_gc, TRUE); values.foreground = widget->style->white; values.function = GDK_XOR; values.subwindow_mode = GDK_INCLUDE_INFERIORS; clist->xor_gc = gdk_gc_new_with_values (widget->window, &values, GDK_GC_FOREGROUND | GDK_GC_FUNCTION | GDK_GC_SUBWINDOW); } static void gtk_clist_unrealize (GtkWidget * widget) { gint i; GtkCList *clist; g_return_if_fail (widget != NULL); g_return_if_fail (GTK_IS_CLIST (widget)); clist = GTK_CLIST (widget); GTK_CLIST_SET_FLAG (clist, CLIST_FROZEN); gdk_cursor_destroy (clist->cursor_drag); gdk_gc_destroy (clist->xor_gc); gdk_gc_destroy (clist->fg_gc); gdk_gc_destroy (clist->bg_gc); for (i = 0; i < clist->columns; i++) if (clist->column[i].window) { gdk_window_set_user_data (clist->column[i].window, NULL); gdk_window_destroy (clist->column[i].window); clist->column[i].window = NULL; } gdk_window_set_user_data (clist->clist_window, NULL); gdk_window_destroy (clist->clist_window); clist->clist_window = NULL; gdk_window_set_user_data (clist->title_window, NULL); gdk_window_destroy (clist->title_window); clist->title_window = NULL; clist->cursor_drag = NULL; clist->xor_gc = NULL; clist->fg_gc = NULL; clist->bg_gc = NULL; if (GTK_WIDGET_CLASS (parent_class)->unrealize) (* GTK_WIDGET_CLASS (parent_class)->unrealize) (widget); } static void gtk_clist_map (GtkWidget * widget) { gint i; GtkCList *clist; g_return_if_fail (widget != NULL); g_return_if_fail (GTK_IS_CLIST (widget)); clist = GTK_CLIST (widget); if (!GTK_WIDGET_MAPPED (widget)) { GTK_WIDGET_SET_FLAGS (widget, GTK_MAPPED); gdk_window_show (widget->window); gdk_window_show (clist->title_window); gdk_window_show (clist->clist_window); /* map column buttons */ for (i = 0; i < clist->columns; i++) if (clist->column[i].button && GTK_WIDGET_VISIBLE (clist->column[i].button) && !GTK_WIDGET_MAPPED (clist->column[i].button)) gtk_widget_map (clist->column[i].button); /* map resize windows AFTER column buttons (above) */ for (i = 0; i < clist->columns; i++) if (clist->column[i].window && clist->column[i].button) gdk_window_show (clist->column[i].window); /* map vscrollbars */ if (GTK_WIDGET_VISIBLE (clist->vscrollbar) && !GTK_WIDGET_MAPPED (clist->vscrollbar)) gtk_widget_map (clist->vscrollbar); if (GTK_WIDGET_VISIBLE (clist->hscrollbar) && !GTK_WIDGET_MAPPED (clist->hscrollbar)) gtk_widget_map (clist->hscrollbar); /* unfreeze the list */ GTK_CLIST_UNSET_FLAG (clist, CLIST_FROZEN); } } static void gtk_clist_unmap (GtkWidget * widget) { gint i; GtkCList *clist; g_return_if_fail (widget != NULL); g_return_if_fail (GTK_IS_CLIST (widget)); clist = GTK_CLIST (widget); if (GTK_WIDGET_MAPPED (widget)) { GTK_WIDGET_UNSET_FLAGS (widget, GTK_MAPPED); for (i = 0; i < clist->columns; i++) if (clist->column[i].window) gdk_window_hide (clist->column[i].window); gdk_window_hide (clist->clist_window); gdk_window_hide (clist->title_window); gdk_window_hide (widget->window); /* unmap scrollbars */ if (GTK_WIDGET_MAPPED (clist->vscrollbar)) gtk_widget_unmap (clist->vscrollbar); if (GTK_WIDGET_MAPPED (clist->hscrollbar)) gtk_widget_unmap (clist->hscrollbar); /* unmap column buttons */ for (i = 0; i < clist->columns; i++) if (clist->column[i].button && GTK_WIDGET_MAPPED (clist->column[i].button)) gtk_widget_unmap (clist->column[i].button); /* freeze the list */ GTK_CLIST_SET_FLAG (clist, CLIST_FROZEN); } } static void gtk_clist_draw (GtkWidget * widget, GdkRectangle * area) { GtkCList *clist; gint border_width; GdkRectangle child_area; int i; g_return_if_fail (widget != NULL); g_return_if_fail (GTK_IS_CLIST (widget)); g_return_if_fail (area != NULL); if (GTK_WIDGET_DRAWABLE (widget)) { clist = GTK_CLIST (widget); border_width = GTK_CONTAINER (widget)->border_width; gdk_window_clear_area (widget->window, area->x - border_width, area->y - border_width, area->width, area->height); /* draw list shadow/border */ gtk_draw_shadow (widget->style, widget->window, GTK_STATE_NORMAL, clist->shadow_type, 0, 0, clist->clist_window_width + (2 * widget->style->klass->xthickness), clist->clist_window_height + (2 * widget->style->klass->ythickness) + clist->column_title_area.height); gdk_window_clear_area (clist->clist_window, 0, 0, -1, -1); draw_rows (clist, NULL); for (i = 0; i < clist->columns; i++) { if (!clist->column[i].visible) continue; if (gtk_widget_intersect (clist->column[i].button, area, &child_area)) gtk_widget_draw (clist->column[i].button, &child_area); } } } static gint gtk_clist_expose (GtkWidget * widget, GdkEventExpose * event) { GtkCList *clist; g_return_val_if_fail (widget != NULL, FALSE); g_return_val_if_fail (GTK_IS_CLIST (widget), FALSE); g_return_val_if_fail (event != NULL, FALSE); if (GTK_WIDGET_DRAWABLE (widget)) { clist = GTK_CLIST (widget); /* draw border */ if (event->window == widget->window) gtk_draw_shadow (widget->style, widget->window, GTK_STATE_NORMAL, clist->shadow_type, 0, 0, clist->clist_window_width + (2 * widget->style->klass->xthickness), clist->clist_window_height + (2 * widget->style->klass->ythickness) + clist->column_title_area.height); /* exposure events on the list */ if (event->window == clist->clist_window) draw_rows (clist, &event->area); } return FALSE; } static gint gtk_clist_button_press (GtkWidget * widget, GdkEventButton * event) { gint i; GtkCList *clist; gint x; gint y; gint row; gint column; g_return_val_if_fail (widget != NULL, FALSE); g_return_val_if_fail (GTK_IS_CLIST (widget), FALSE); g_return_val_if_fail (event != NULL, FALSE); clist = GTK_CLIST (widget); /* we don't handle button 2 and 3 */ if (event->button != 1) return FALSE; /* selections on the list */ if (event->window == clist->clist_window) { x = event->x; y = event->y; if (get_selection_info (clist, x, y, &row, &column)) { gint old_row = clist->focus_row; if (clist->focus_row == -1) old_row = row; if (event->type == GDK_BUTTON_PRESS) { GTK_CLIST_SET_FLAG (clist, CLIST_DRAG_SELECTION); gdk_pointer_grab (clist->clist_window, FALSE, GDK_POINTER_MOTION_HINT_MASK | GDK_BUTTON1_MOTION_MASK | GDK_BUTTON_RELEASE_MASK, NULL, NULL, event->time); gtk_grab_add (widget); } else if (gdk_pointer_is_grabbed () && GTK_WIDGET_HAS_GRAB (widget)) { GTK_CLIST_UNSET_FLAG (clist, CLIST_DRAG_SELECTION); gtk_grab_remove (widget); gdk_pointer_ungrab (event->time); } if (GTK_CLIST_ADD_MODE (clist)) { GTK_CLIST_UNSET_FLAG (clist, CLIST_ADD_MODE); if (GTK_WIDGET_HAS_FOCUS (widget)) { gtk_clist_draw_focus (widget); gdk_gc_set_line_attributes (clist->xor_gc, 1, GDK_LINE_SOLID, 0, 0); clist->focus_row = row; gtk_clist_draw_focus (widget); } else { gdk_gc_set_line_attributes (clist->xor_gc, 1, GDK_LINE_SOLID, 0, 0); clist->focus_row = row; } } else if (row != clist->focus_row) { if (GTK_WIDGET_HAS_FOCUS (widget)) { gtk_clist_draw_focus (widget); clist->focus_row = row; gtk_clist_draw_focus (widget); } else clist->focus_row = row; } if (!GTK_WIDGET_HAS_FOCUS (widget)) gtk_widget_grab_focus (widget); switch (clist->selection_mode) { case GTK_SELECTION_SINGLE: case GTK_SELECTION_MULTIPLE: if (event->type != GDK_BUTTON_PRESS) select_row (clist, row, column, (GdkEvent *) event); else clist->anchor = row; break; case GTK_SELECTION_BROWSE: select_row (clist, row, column, (GdkEvent *) event); break; case GTK_SELECTION_EXTENDED: if (event->type != GDK_BUTTON_PRESS) { if (clist->anchor != -1) { update_extended_selection (clist, clist->focus_row); GTK_CLIST_CLASS_FW (clist)->resync_selection (clist, (GdkEvent *) event); } select_row (clist, row, column, (GdkEvent *) event); break; } if (event->state & GDK_CONTROL_MASK) { if (event->state & GDK_SHIFT_MASK) { if (clist->anchor < 0) { g_list_free (clist->undo_selection); g_list_free (clist->undo_unselection); clist->undo_selection = NULL; clist->undo_unselection = NULL; clist->anchor = old_row; clist->drag_pos = old_row; clist->undo_anchor = old_row; } update_extended_selection (clist, clist->focus_row); } else { if (clist->anchor == -1) set_anchor (clist, TRUE, row, old_row); else update_extended_selection (clist, clist->focus_row); } break; } if (event->state & GDK_SHIFT_MASK) { set_anchor (clist, FALSE, old_row, old_row); update_extended_selection (clist, clist->focus_row); break; } if (clist->anchor == -1) set_anchor (clist, FALSE, row, old_row); else update_extended_selection (clist, clist->focus_row); break; default: break; } } return FALSE; } /* press on resize windows */ for (i = 0; i < clist->columns; i++) if (clist->column[i].resizeable && clist->column[i].window && event->window == clist->column[i].window) { gdk_pointer_grab (clist->column[i].window, FALSE, GDK_POINTER_MOTION_HINT_MASK | GDK_BUTTON1_MOTION_MASK | GDK_BUTTON_RELEASE_MASK, NULL, NULL, event->time); gtk_grab_add (widget); GTK_CLIST_SET_FLAG (clist, CLIST_IN_DRAG); if (!GTK_WIDGET_HAS_FOCUS (widget)) gtk_widget_grab_focus (widget); clist->drag_pos = i; clist->x_drag = (COLUMN_LEFT_XPIXEL(clist, i) + COLUMN_INSET + clist->column[i].area.width + CELL_SPACING); if (GTK_CLIST_ADD_MODE (clist)) gdk_gc_set_line_attributes (clist->xor_gc, 1, GDK_LINE_SOLID, 0, 0); draw_xor_line (clist); return FALSE; } return FALSE; } static gint gtk_clist_button_release (GtkWidget * widget, GdkEventButton * event) { GtkCList *clist; g_return_val_if_fail (widget != NULL, FALSE); g_return_val_if_fail (GTK_IS_CLIST (widget), FALSE); g_return_val_if_fail (event != NULL, FALSE); clist = GTK_CLIST (widget); /* we don't handle button 2 and 3 */ if (event->button != 1) return FALSE; /* release on resize windows */ if (GTK_CLIST_IN_DRAG (clist)) { gint width; gint x; gint i; i = clist->drag_pos; clist->drag_pos = -1; GTK_CLIST_UNSET_FLAG (clist, CLIST_IN_DRAG); gtk_widget_get_pointer (widget, &x, NULL); gtk_grab_remove (widget); gdk_pointer_ungrab (event->time); if (clist->x_drag >= 0) draw_xor_line (clist); if (GTK_CLIST_ADD_MODE (clist)) { gdk_gc_set_line_attributes (clist->xor_gc, 1, GDK_LINE_ON_OFF_DASH, 0, 0); gdk_gc_set_dashes (clist->xor_gc, 0, "\4\4", 2); } width = new_column_width (clist, i, &x); resize_column (clist, i, width); return FALSE; } if (GTK_CLIST_DRAG_SELECTION (clist)) { gint row; gint column; GTK_CLIST_UNSET_FLAG (clist, CLIST_DRAG_SELECTION); gtk_grab_remove (widget); gdk_pointer_ungrab (event->time); if (clist->htimer) { gtk_timeout_remove (clist->htimer); clist->htimer = 0; } if (clist->vtimer) { gtk_timeout_remove (clist->vtimer); clist->vtimer = 0; } switch (clist->selection_mode) { case GTK_SELECTION_EXTENDED: if (!(event->state & GDK_SHIFT_MASK) || event->x < 0 || event->x >= clist->clist_window_width || event->y < 0 || event->y >= clist->clist_window_height) GTK_CLIST_CLASS_FW (clist)->resync_selection (clist, (GdkEvent *) event); break; case GTK_SELECTION_SINGLE: case GTK_SELECTION_MULTIPLE: if (get_selection_info (clist, event->x, event->y, &row, &column)) { if (clist->anchor == clist->focus_row) toggle_row (clist, row, column, (GdkEvent *) event); } clist->anchor = -1; break; default: break; } } return FALSE; } static gint horizontal_timeout (GtkCList *clist) { gint x, y; GdkEventMotion event; GdkModifierType mask; g_return_val_if_fail (GTK_IS_CLIST (clist), FALSE); clist->htimer = 0; gdk_window_get_pointer (clist->clist_window, &x, &y, &mask); event.is_hint = 0; event.x = x; event.y = y; event.state = mask; gtk_clist_motion (GTK_WIDGET (clist), &event); return FALSE; } static gint vertical_timeout (GtkCList *clist) { gint x, y; GdkEventMotion event; GdkModifierType mask; g_return_val_if_fail (GTK_IS_CLIST (clist), FALSE); clist->vtimer = 0; gdk_window_get_pointer (clist->clist_window, &x, &y, &mask); event.is_hint = 0; event.x = x; event.y = y; event.state = mask; gtk_clist_motion (GTK_WIDGET (clist), &event); return FALSE; } static void move_vertical (GtkCList *clist, gint row, gfloat align) { gint y; GtkAdjustment *adj; adj = GTK_RANGE (clist->vscrollbar)->adjustment; y = ROW_TOP_YPIXEL (clist, row) - clist->voffset; y = y - align * (clist->clist_window_height - clist->row_height) + (2 * align - 1) * CELL_SPACING; if (y + adj->page_size > adj->upper) adj->value = adj->upper - adj->page_size; else adj->value = y; gtk_signal_emit_by_name (GTK_OBJECT (adj), "value_changed"); } static void move_horizontal (GtkCList *clist, gint diff) { gfloat upper; GtkAdjustment *adj; adj = GTK_RANGE (clist->hscrollbar)->adjustment; adj->value += diff; upper = adj->upper - adj->page_size; adj->value = MIN (adj->value, upper); adj->value = MAX (adj->value, 0.0); gtk_signal_emit_by_name (GTK_OBJECT (adj), "value_changed"); } static gint gtk_clist_motion (GtkWidget * widget, GdkEventMotion * event) { GtkCList *clist; gint x; gint y; gint row; gint new_width; g_return_val_if_fail (widget != NULL, FALSE); g_return_val_if_fail (GTK_IS_CLIST (widget), FALSE); clist = GTK_CLIST (widget); if (!(gdk_pointer_is_grabbed () && GTK_WIDGET_HAS_GRAB (clist))) return FALSE; if (GTK_CLIST_IN_DRAG (clist)) { if (event->is_hint || event->window != widget->window) gtk_widget_get_pointer (widget, &x, NULL); else x = event->x; new_width = new_column_width (clist, clist->drag_pos, &x); if (x != clist->x_drag) { /* x_drag < 0 indicates that the xor line is already invisible */ if (clist->x_drag >= 0) draw_xor_line (clist); clist->x_drag = x; if (clist->x_drag >= 0) draw_xor_line (clist); } if (new_width <= MAX (COLUMN_MIN_WIDTH + 1, clist->column[clist->drag_pos].min_width + 1)) { if (COLUMN_LEFT_XPIXEL (clist, clist->drag_pos) < 0 && x < 0) gtk_clist_moveto (clist, -1, clist->drag_pos, 0, 0); return FALSE; } if (clist->column[clist->drag_pos].max_width >= COLUMN_MIN_WIDTH && new_width >= clist->column[clist->drag_pos].max_width) { if (COLUMN_LEFT_XPIXEL (clist, clist->drag_pos) + new_width > clist->clist_window_width && x < 0) move_horizontal (clist, COLUMN_LEFT_XPIXEL (clist, clist->drag_pos) + new_width - clist->clist_window_width + COLUMN_INSET + CELL_SPACING); return FALSE; } } if (event->is_hint || event->window != clist->clist_window) gdk_window_get_pointer (clist->clist_window, &x, &y, NULL); /* horizontal autoscrolling */ if (LIST_WIDTH (clist) > clist->clist_window_width && (x < 0 || x >= clist->clist_window_width)) { if (clist->htimer) return FALSE; clist->htimer = gtk_timeout_add (SCROLL_TIME, (GtkFunction) horizontal_timeout, clist); if (!((x < 0 && GTK_RANGE (clist->hscrollbar)->adjustment->value == 0) || (x >= clist->clist_window_width && GTK_RANGE (clist->hscrollbar)->adjustment->value == LIST_WIDTH (clist) - clist->clist_window_width))) { if (x < 0) move_horizontal (clist, -1 + (x/2)); else move_horizontal (clist, 1 + (x - clist->clist_window_width) / 2); } } if (GTK_CLIST_IN_DRAG (clist)) return FALSE; /* vertical autoscrolling */ row = ROW_FROM_YPIXEL (clist, y); /* don't scroll on last pixel row if it's a cell spacing */ if (y == clist->clist_window_height-1 && y == ROW_TOP_YPIXEL (clist, row-1) + clist->row_height) return FALSE; if (LIST_HEIGHT (clist) > clist->clist_window_height && (y < 0 || y >= clist->clist_window_height)) { if (clist->vtimer) return FALSE; clist->vtimer = gtk_timeout_add (SCROLL_TIME, (GtkFunction) vertical_timeout, clist); if (GTK_CLIST_DRAG_SELECTION (clist)) { if ((y < 0 && clist->focus_row == 0) || (y >= clist->clist_window_height && clist->focus_row == clist->rows-1)) return FALSE; } } row = CLAMP (row, 0, clist->rows - 1); if (GTK_CLIST_DRAG_SELECTION (clist)) { if (row == clist->focus_row) return FALSE; gtk_clist_draw_focus (widget); clist->focus_row = row; gtk_clist_draw_focus (widget); switch (clist->selection_mode) { case GTK_SELECTION_BROWSE: select_row (clist, clist->focus_row, - 1, (GdkEvent *) event); break; case GTK_SELECTION_EXTENDED: update_extended_selection (clist, clist->focus_row); break; default: break; } } if (ROW_TOP_YPIXEL(clist, row) < 0) move_vertical (clist, row, 0); else if (ROW_TOP_YPIXEL(clist, row) + clist->row_height > clist->clist_window_height) move_vertical (clist, row, 1); return FALSE; } static void gtk_clist_size_request (GtkWidget * widget, GtkRequisition * requisition) { gint i; GtkCList *clist; g_return_if_fail (widget != NULL); g_return_if_fail (GTK_IS_CLIST (widget)); g_return_if_fail (requisition != NULL); clist = GTK_CLIST (widget); add_style_data (clist); requisition->width = 0; requisition->height = 0; /* compute the size of the column title (title) area */ clist->column_title_area.height = 0; if (GTK_CLIST_SHOW_TITLES (clist)) for (i = 0; i < clist->columns; i++) if (clist->column[i].button) { gtk_widget_size_request (clist->column[i].button, &clist->column[i].button->requisition); clist->column_title_area.height = MAX (clist->column_title_area.height, clist->column[i].button->requisition.height); } requisition->height += clist->column_title_area.height; /* add the vscrollbar space */ if ((clist->vscrollbar_policy == GTK_POLICY_AUTOMATIC) || GTK_WIDGET_VISIBLE (clist->vscrollbar)) { gtk_widget_size_request (clist->vscrollbar, &clist->vscrollbar->requisition); requisition->width += (clist->vscrollbar->requisition.width + SCROLLBAR_SPACING (clist)); requisition->height = MAX (requisition->height, clist->vscrollbar->requisition.height); } /* add the hscrollbar space */ if ((clist->hscrollbar_policy == GTK_POLICY_AUTOMATIC) || GTK_WIDGET_VISIBLE (clist->hscrollbar)) { gtk_widget_size_request (clist->hscrollbar, &clist->hscrollbar->requisition); requisition->height += (clist->hscrollbar->requisition.height + SCROLLBAR_SPACING (clist)); requisition->width = MAX (clist->hscrollbar->requisition.width, requisition->width - clist->vscrollbar->requisition.width); } requisition->width += (widget->style->klass->xthickness * 2 + GTK_CONTAINER (widget)->border_width * 2); requisition->height += (widget->style->klass->ythickness * 2 + GTK_CONTAINER (widget)->border_width * 2); } static void gtk_clist_size_allocate (GtkWidget * widget, GtkAllocation * allocation) { GtkCList *clist; GtkAllocation clist_allocation; GtkAllocation child_allocation; gint i, vscrollbar_vis, hscrollbar_vis; gint border_width; g_return_if_fail (widget != NULL); g_return_if_fail (GTK_IS_CLIST (widget)); g_return_if_fail (allocation != NULL); clist = GTK_CLIST (widget); widget->allocation = *allocation; border_width = GTK_CONTAINER (widget)->border_width; if (GTK_WIDGET_REALIZED (widget)) { gdk_window_move_resize (widget->window, allocation->x + border_width, allocation->y + border_width, allocation->width - border_width * 2, allocation->height - border_width * 2); } /* use internal allocation structure for all the math * because it's easier than always subtracting the container * border width */ clist->internal_allocation.x = 0; clist->internal_allocation.y = 0; clist->internal_allocation.width = MAX (1, allocation->width - border_width * 2); clist->internal_allocation.height = MAX (1, allocation->height - border_width * 2); /* allocate clist window assuming no scrollbars */ clist_allocation.x = (clist->internal_allocation.x + widget->style->klass->xthickness); clist_allocation.y = (clist->internal_allocation.y + widget->style->klass->ythickness + clist->column_title_area.height); clist_allocation.width = MAX (1, clist->internal_allocation.width - (2 * widget->style->klass->xthickness)); clist_allocation.height = MAX (1, clist->internal_allocation.height - (2 * widget->style->klass->ythickness) - clist->column_title_area.height); /* * here's where we decide to show/not show the scrollbars */ vscrollbar_vis = 0; hscrollbar_vis = 0; for (i = 0; i <= 1; i++) { if (LIST_HEIGHT (clist) <= clist_allocation.height && clist->vscrollbar_policy == GTK_POLICY_AUTOMATIC) { vscrollbar_vis = 0; } else if (!vscrollbar_vis) { vscrollbar_vis = 1; clist_allocation.width = MAX (1, clist_allocation.width - (clist->vscrollbar->requisition.width + SCROLLBAR_SPACING (clist))); } if (LIST_WIDTH (clist) <= clist_allocation.width && clist->hscrollbar_policy == GTK_POLICY_AUTOMATIC) { hscrollbar_vis = 0; } else if (!hscrollbar_vis) { hscrollbar_vis = 1; clist_allocation.height = MAX (1, clist_allocation.height - (clist->hscrollbar->requisition.height + SCROLLBAR_SPACING (clist))); } } clist->clist_window_width = clist_allocation.width; clist->clist_window_height = clist_allocation.height; if (GTK_WIDGET_REALIZED (widget)) { gdk_window_move_resize (clist->clist_window, clist_allocation.x, clist_allocation.y, clist_allocation.width, clist_allocation.height); } /* position the window which holds the column title buttons */ clist->column_title_area.x = widget->style->klass->xthickness; clist->column_title_area.y = widget->style->klass->ythickness; clist->column_title_area.width = clist_allocation.width; if (GTK_WIDGET_REALIZED (widget)) { gdk_window_move_resize (clist->title_window, clist->column_title_area.x, clist->column_title_area.y, clist->column_title_area.width, clist->column_title_area.height); } /* column button allocation */ size_allocate_columns (clist); size_allocate_title_buttons (clist); adjust_scrollbars (clist); /* allocate the vscrollbar */ if (vscrollbar_vis) { if (!GTK_WIDGET_VISIBLE (clist->vscrollbar)) gtk_widget_show (clist->vscrollbar); child_allocation.x = (clist->internal_allocation.x + clist->internal_allocation.width - clist->vscrollbar->requisition.width); child_allocation.y = clist->internal_allocation.y; child_allocation.width = clist->vscrollbar->requisition.width; child_allocation.height = MAX (1, clist->internal_allocation.height - (hscrollbar_vis ? (clist->hscrollbar->requisition.height + SCROLLBAR_SPACING (clist)) : 0)); gtk_widget_size_allocate (clist->vscrollbar, &child_allocation); } else { if (GTK_WIDGET_VISIBLE (clist->vscrollbar)) gtk_widget_hide (clist->vscrollbar); } if (hscrollbar_vis) { if (!GTK_WIDGET_VISIBLE (clist->hscrollbar)) gtk_widget_show (clist->hscrollbar); child_allocation.x = clist->internal_allocation.x; child_allocation.y = (clist->internal_allocation.y + clist->internal_allocation.height - clist->hscrollbar->requisition.height); child_allocation.width = MAX (1, clist->internal_allocation.width - (vscrollbar_vis ? (clist->vscrollbar->requisition.width + SCROLLBAR_SPACING (clist)) : 0)); child_allocation.height = clist->hscrollbar->requisition.height; gtk_widget_size_allocate (clist->hscrollbar, &child_allocation); } else { if (GTK_WIDGET_VISIBLE (clist->hscrollbar)) gtk_widget_hide (clist->hscrollbar); } /* set the vscrollbar adjustments */ adjust_scrollbars (clist); } /* * GTKCONTAINER * gtk_clist_forall */ static void gtk_clist_forall (GtkContainer *container, gboolean include_internals, GtkCallback callback, gpointer callback_data) { GtkCList *clist; g_return_if_fail (container != NULL); g_return_if_fail (GTK_IS_CLIST (container)); g_return_if_fail (callback != NULL); clist = GTK_CLIST (container); if (include_internals) { guint i; /* callback for the column buttons */ for (i = 0; i < clist->columns; i++) if (clist->column[i].button) (*callback) (clist->column[i].button, callback_data); /* callbacks for the scrollbars */ if (clist->vscrollbar) (*callback) (clist->vscrollbar, callback_data); if (clist->hscrollbar) (*callback) (clist->hscrollbar, callback_data); } } /* * DRAWING * draw_row * draw_rows */ static void draw_row (GtkCList * clist, GdkRectangle * area, gint row, GtkCListRow * clist_row) { GtkWidget *widget; GdkGC *fg_gc, *bg_gc; GdkRectangle row_rectangle, cell_rectangle, clip_rectangle, intersect_rectangle, *rect; gint i, offset = 0, width, height, pixmap_width = 0; gint xsrc, ysrc, xdest, ydest; g_return_if_fail (clist != NULL); /* bail now if we arn't drawable yet */ if (!GTK_WIDGET_DRAWABLE (clist)) return; if (row < 0 || row >= clist->rows) return; widget = GTK_WIDGET (clist); /* if the function is passed the pointer to the row instead of null, * it avoids this expensive lookup */ if (!clist_row) clist_row = (g_list_nth (clist->row_list, row))->data; /* rectangle of the entire row */ row_rectangle.x = 0; row_rectangle.y = ROW_TOP_YPIXEL (clist, row); row_rectangle.width = clist->clist_window_width; row_rectangle.height = clist->row_height; /* rectangle of the cell spacing above the row */ cell_rectangle.x = 0; cell_rectangle.y = row_rectangle.y - CELL_SPACING; cell_rectangle.width = row_rectangle.width; cell_rectangle.height = CELL_SPACING; /* rectangle used to clip drawing operations, it's y and height * positions only need to be set once, so we set them once here. * the x and width are set withing the drawing loop below once per * column */ clip_rectangle.y = row_rectangle.y; clip_rectangle.height = row_rectangle.height; /* select GC for background rectangle */ if (clist_row->state == GTK_STATE_SELECTED) { fg_gc = widget->style->fg_gc[GTK_STATE_SELECTED]; bg_gc = widget->style->bg_gc[GTK_STATE_SELECTED]; } else { if (clist_row->fg_set) { gdk_gc_set_foreground (clist->fg_gc, &clist_row->foreground); fg_gc = clist->fg_gc; } else fg_gc = widget->style->fg_gc[GTK_STATE_NORMAL]; if (clist_row->bg_set) { gdk_gc_set_foreground (clist->bg_gc, &clist_row->background); bg_gc = clist->bg_gc; } else bg_gc = widget->style->bg_gc[GTK_STATE_PRELIGHT]; } /* draw the cell borders and background */ if (area) { if (gdk_rectangle_intersect (area, &cell_rectangle, &intersect_rectangle)) gdk_draw_rectangle (clist->clist_window, widget->style->base_gc[GTK_STATE_NORMAL], TRUE, intersect_rectangle.x, intersect_rectangle.y, intersect_rectangle.width, intersect_rectangle.height); /* the last row has to clear it's bottom cell spacing too */ if (clist_row == clist->row_list_end->data) { cell_rectangle.y += clist->row_height + CELL_SPACING; if (gdk_rectangle_intersect (area, &cell_rectangle, &intersect_rectangle)) gdk_draw_rectangle (clist->clist_window, widget->style->base_gc[GTK_STATE_NORMAL], TRUE, intersect_rectangle.x, intersect_rectangle.y, intersect_rectangle.width, intersect_rectangle.height); } if (!gdk_rectangle_intersect (area, &row_rectangle, &intersect_rectangle)) return; if (clist_row->state == GTK_STATE_SELECTED || clist_row->bg_set) gdk_draw_rectangle (clist->clist_window, bg_gc, TRUE, intersect_rectangle.x, intersect_rectangle.y, intersect_rectangle.width, intersect_rectangle.height); else gdk_window_clear_area (clist->clist_window, intersect_rectangle.x, intersect_rectangle.y, intersect_rectangle.width, intersect_rectangle.height); } else { gdk_draw_rectangle (clist->clist_window, widget->style->base_gc[GTK_STATE_NORMAL], TRUE, cell_rectangle.x, cell_rectangle.y, cell_rectangle.width, cell_rectangle.height); /* the last row has to clear it's bottom cell spacing too */ if (clist_row == clist->row_list_end->data) { cell_rectangle.y += clist->row_height + CELL_SPACING; gdk_draw_rectangle (clist->clist_window, widget->style->base_gc[GTK_STATE_NORMAL], TRUE, cell_rectangle.x, cell_rectangle.y, cell_rectangle.width, cell_rectangle.height); } if (clist_row->state == GTK_STATE_SELECTED || clist_row->bg_set) gdk_draw_rectangle (clist->clist_window, bg_gc, TRUE, row_rectangle.x, row_rectangle.y, row_rectangle.width, row_rectangle.height); else gdk_window_clear_area (clist->clist_window, row_rectangle.x, row_rectangle.y, row_rectangle.width, row_rectangle.height); } /* iterate and draw all the columns (row cells) and draw their contents */ for (i = 0; i < clist->columns; i++) { if (!clist->column[i].visible) continue; clip_rectangle.x = clist->column[i].area.x + clist->hoffset; clip_rectangle.width = clist->column[i].area.width; /* calculate clipping region clipping region */ if (!area) { rect = &clip_rectangle; } else { if (!gdk_rectangle_intersect (area, &clip_rectangle, &intersect_rectangle)) continue; rect = &intersect_rectangle; } /* calculate real width for column justification */ switch (clist_row->cell[i].type) { case GTK_CELL_EMPTY: continue; break; case GTK_CELL_TEXT: width = gdk_string_width (GTK_WIDGET (clist)->style->font, GTK_CELL_TEXT (clist_row->cell[i])->text); break; case GTK_CELL_PIXMAP: gdk_window_get_size (GTK_CELL_PIXMAP (clist_row->cell[i])->pixmap, &width, &height); pixmap_width = width; break; case GTK_CELL_PIXTEXT: gdk_window_get_size (GTK_CELL_PIXTEXT (clist_row->cell[i])->pixmap, &width, &height); pixmap_width = width; width += GTK_CELL_PIXTEXT (clist_row->cell[i])->spacing; width += gdk_string_width (GTK_WIDGET (clist)->style->font, GTK_CELL_PIXTEXT (clist_row->cell[i])->text); break; case GTK_CELL_WIDGET: /* unimplimented */ continue; break; default: continue; break; } switch (clist->column[i].justification) { case GTK_JUSTIFY_LEFT: offset = clip_rectangle.x; break; case GTK_JUSTIFY_RIGHT: offset = (clip_rectangle.x + clip_rectangle.width) - width; break; case GTK_JUSTIFY_CENTER: offset = (clip_rectangle.x + (clip_rectangle.width / 2)) - (width / 2); break; case GTK_JUSTIFY_FILL: offset = (clip_rectangle.x + (clip_rectangle.width / 2)) - (width / 2); break; default: offset = 0; break; }; /* Draw Text or Pixmap */ switch (clist_row->cell[i].type) { case GTK_CELL_EMPTY: continue; break; case GTK_CELL_TEXT: gdk_gc_set_clip_rectangle (fg_gc, rect); gdk_draw_string (clist->clist_window, widget->style->font, fg_gc, offset + clist_row->cell[i].horizontal, row_rectangle.y + clist->row_center_offset + clist_row->cell[i].vertical, GTK_CELL_TEXT (clist_row->cell[i])->text); gdk_gc_set_clip_rectangle (fg_gc, NULL); break; case GTK_CELL_PIXMAP: xsrc = 0; ysrc = 0; xdest = offset + clist_row->cell[i].horizontal; ydest = (clip_rectangle.y + (clip_rectangle.height / 2)) - height / 2 + clist_row->cell[i].vertical; if (xdest < clip_rectangle.x) { xsrc = clip_rectangle.x - xdest; pixmap_width -= xsrc; xdest = clip_rectangle.x; } if (xdest + pixmap_width > clip_rectangle.x + clip_rectangle.width) pixmap_width = (clip_rectangle.x + clip_rectangle.width) - xdest; if (ydest < clip_rectangle.y) { ysrc = clip_rectangle.y - ydest; height -= ysrc; ydest = clip_rectangle.y; } if (ydest + height > clip_rectangle.y + clip_rectangle.height) height = (clip_rectangle.y + clip_rectangle.height) - ydest; if (GTK_CELL_PIXMAP (clist_row->cell[i])->mask) { gdk_gc_set_clip_mask (fg_gc, GTK_CELL_PIXMAP (clist_row->cell[i])->mask); gdk_gc_set_clip_origin (fg_gc, xdest, ydest); } gdk_draw_pixmap (clist->clist_window, fg_gc, GTK_CELL_PIXMAP (clist_row->cell[i])->pixmap, xsrc, ysrc, xdest, ydest, pixmap_width, height); if (GTK_CELL_PIXMAP (clist_row->cell[i])->mask) { gdk_gc_set_clip_origin (fg_gc, 0, 0); gdk_gc_set_clip_mask (fg_gc, NULL); } break; case GTK_CELL_PIXTEXT: /* draw the pixmap */ xsrc = 0; ysrc = 0; xdest = offset + clist_row->cell[i].horizontal; ydest = (clip_rectangle.y + (clip_rectangle.height / 2)) - height / 2 + clist_row->cell[i].vertical; if (xdest < clip_rectangle.x) { xsrc = clip_rectangle.x - xdest; pixmap_width -= xsrc; xdest = clip_rectangle.x; } if (xdest + pixmap_width > clip_rectangle.x + clip_rectangle.width) pixmap_width = (clip_rectangle.x + clip_rectangle.width) - xdest; if (ydest < clip_rectangle.y) { ysrc = clip_rectangle.y - ydest; height -= ysrc; ydest = clip_rectangle.y; } if (ydest + height > clip_rectangle.y + clip_rectangle.height) height = (clip_rectangle.y + clip_rectangle.height) - ydest; if (GTK_CELL_PIXTEXT (clist_row->cell[i])->mask) { gdk_gc_set_clip_mask (fg_gc, GTK_CELL_PIXTEXT (clist_row->cell[i])->mask); gdk_gc_set_clip_origin (fg_gc, xdest, ydest); } gdk_draw_pixmap (clist->clist_window, fg_gc, GTK_CELL_PIXTEXT (clist_row->cell[i])->pixmap, xsrc, ysrc, xdest, ydest, pixmap_width, height); gdk_gc_set_clip_origin (fg_gc, 0, 0); offset += pixmap_width + GTK_CELL_PIXTEXT (clist_row->cell[i])->spacing; /* draw the string */ gdk_gc_set_clip_rectangle (fg_gc, rect); gdk_draw_string (clist->clist_window, widget->style->font, fg_gc, offset + clist_row->cell[i].horizontal, row_rectangle.y + clist->row_center_offset + clist_row->cell[i].vertical, GTK_CELL_PIXTEXT (clist_row->cell[i])->text); gdk_gc_set_clip_rectangle (fg_gc, NULL); break; case GTK_CELL_WIDGET: /* unimplimented */ continue; break; default: continue; break; } } if (clist->focus_row == row && GTK_WIDGET_HAS_FOCUS (widget)) { if (area) { if (gdk_rectangle_intersect (area, &row_rectangle, &intersect_rectangle)) { gdk_gc_set_clip_rectangle (clist->xor_gc, &intersect_rectangle); gdk_draw_rectangle (clist->clist_window, clist->xor_gc, FALSE, row_rectangle.x, row_rectangle.y, row_rectangle.width - 1, row_rectangle.height - 1); gdk_gc_set_clip_rectangle (clist->xor_gc, NULL); } } else gdk_draw_rectangle (clist->clist_window, clist->xor_gc, FALSE, row_rectangle.x, row_rectangle.y, row_rectangle.width - 1, row_rectangle.height - 1); } } static void draw_rows (GtkCList * clist, GdkRectangle * area) { GList *list; GtkCListRow *clist_row; int i, first_row, last_row; g_return_if_fail (clist != NULL); g_return_if_fail (GTK_IS_CLIST (clist)); if (clist->row_height == 0 || !GTK_WIDGET_DRAWABLE (clist)) return; if (area) { first_row = ROW_FROM_YPIXEL (clist, area->y); last_row = ROW_FROM_YPIXEL (clist, area->y + area->height); } else { first_row = ROW_FROM_YPIXEL (clist, 0); last_row = ROW_FROM_YPIXEL (clist, clist->clist_window_height); } /* this is a small special case which exposes the bottom cell line * on the last row -- it might go away if I change the wall the cell spacings * are drawn */ if (clist->rows == first_row) first_row--; list = g_list_nth (clist->row_list, first_row); i = first_row; while (list) { clist_row = list->data; list = list->next; if (i > last_row) return; GTK_CLIST_CLASS_FW (clist)->draw_row (clist, area, i, clist_row); i++; } if (!area) gdk_window_clear_area (clist->clist_window, 0, ROW_TOP_YPIXEL (clist, i), -1, -1); } /* * SIZE ALLOCATION * size_allocate_title_buttons * size_allocate_columns */ static void size_allocate_title_buttons (GtkCList * clist) { GtkAllocation button_allocation; gint last_column; gint last_button = 0; gint i; if (!GTK_WIDGET_REALIZED (clist)) return; button_allocation.x = clist->hoffset; button_allocation.y = 0; button_allocation.width = 0; button_allocation.height = clist->column_title_area.height; /* find last visible column */ for (last_column = clist->columns - 1; last_column >= 0; last_column--) if (clist->column[last_column].visible) break; for (i = 0; i < last_column; i++) { if (!clist->column[i].visible) { last_button = i + 1; gdk_window_hide (clist->column[i].window); continue; } button_allocation.width += (clist->column[i].area.width + CELL_SPACING + 2 * COLUMN_INSET); if (!clist->column[i + 1].button) { gdk_window_hide (clist->column[i].window); continue; } gtk_widget_size_allocate (clist->column[last_button].button, &button_allocation); button_allocation.x += button_allocation.width; button_allocation.width = 0; if (clist->column[last_button].resizeable) { gdk_window_show (clist->column[last_button].window); gdk_window_move_resize (clist->column[last_button].window, button_allocation.x - (DRAG_WIDTH / 2), 0, DRAG_WIDTH, clist->column_title_area.height); } else gdk_window_hide (clist->column[last_button].window); last_button = i + 1; } button_allocation.width += (clist->column[last_column].area.width + 2 * (CELL_SPACING + COLUMN_INSET)); gtk_widget_size_allocate (clist->column[last_button].button, &button_allocation); if (clist->column[last_button].resizeable) { button_allocation.x += button_allocation.width; gdk_window_show (clist->column[last_button].window); gdk_window_move_resize (clist->column[last_button].window, button_allocation.x - (DRAG_WIDTH / 2), 0, DRAG_WIDTH, clist->column_title_area.height); } else gdk_window_hide (clist->column[last_button].window); } static void size_allocate_columns (GtkCList * clist) { gint xoffset = CELL_SPACING + COLUMN_INSET; gint last_column; gint width = 0; gint i; /* find last visible column and calculate correct column width */ for (last_column = clist->columns - 1; last_column >= 0 && !clist->column[last_column].visible; last_column--); if (last_column < 0) return; for (i = 0; i < last_column; i++) { if (!clist->column[i].visible) continue; clist->column[i].area.x = xoffset; clist->column[i].area.width = clist->column[i].width; xoffset += clist->column[i].width + CELL_SPACING + (2 * COLUMN_INSET); } if (clist->column[i].width_set) width = clist->column[i].width; else if (clist->column[i].title) width = gdk_string_width (GTK_WIDGET (clist)->style->font, clist->column[i].title); clist->column[i].area.x = xoffset; clist->column[i].area.width = MAX (width, clist->clist_window_width - xoffset - (CELL_SPACING + COLUMN_INSET)); } /* * SELECTION * select_row * real_select_row * real_unselect_row * get_selection_info */ static void toggle_row (GtkCList * clist, gint row, gint column, GdkEvent * event) { GtkCListRow *clist_row; switch (clist->selection_mode) { case GTK_SELECTION_EXTENDED: case GTK_SELECTION_MULTIPLE: case GTK_SELECTION_SINGLE: clist_row = g_list_nth (clist->row_list, row)->data; if (clist_row->state == GTK_STATE_SELECTED) { unselect_row (clist, row, column, event); return; } case GTK_SELECTION_BROWSE: select_row (clist, row, column, event); break; } } static void select_row (GtkCList * clist, gint row, gint column, GdkEvent * event) { gtk_signal_emit (GTK_OBJECT (clist), clist_signals[SELECT_ROW], row, column, event); } static void unselect_row (GtkCList * clist, gint row, gint column, GdkEvent * event) { gtk_signal_emit (GTK_OBJECT (clist), clist_signals[UNSELECT_ROW], row, column, event); } static void real_select_row (GtkCList * clist, gint row, gint column, GdkEvent * event) { GtkCListRow *clist_row; GList *list; gint sel_row; gboolean row_selected; g_return_if_fail (clist != NULL); g_return_if_fail (GTK_IS_CLIST (clist)); if (row < 0 || row > (clist->rows - 1)) return; switch (clist->selection_mode) { case GTK_SELECTION_SINGLE: case GTK_SELECTION_BROWSE: row_selected = FALSE; list = clist->selection; while (list) { sel_row = GPOINTER_TO_INT (list->data); list = list->next; if (row == sel_row) row_selected = TRUE; else gtk_signal_emit (GTK_OBJECT (clist), clist_signals[UNSELECT_ROW], sel_row, column, event); } if (row_selected) return; default: break; } clist_row = (g_list_nth (clist->row_list, row))->data; if (clist_row->state != GTK_STATE_NORMAL || !clist_row->selectable) return; clist_row->state = GTK_STATE_SELECTED; if (!clist->selection) { clist->selection = g_list_append (clist->selection, GINT_TO_POINTER (row)); clist->selection_end = clist->selection; } else clist->selection_end = g_list_append (clist->selection_end, GINT_TO_POINTER (row))->next; if (!GTK_CLIST_FROZEN (clist) && (gtk_clist_row_is_visible (clist, row) != GTK_VISIBILITY_NONE)) GTK_CLIST_CLASS_FW (clist)->draw_row (clist, NULL, row, clist_row); } static void real_unselect_row (GtkCList * clist, gint row, gint column, GdkEvent * event) { GtkCListRow *clist_row; g_return_if_fail (clist != NULL); g_return_if_fail (GTK_IS_CLIST (clist)); if (row < 0 || row > (clist->rows - 1)) return; clist_row = (g_list_nth (clist->row_list, row))->data; if (clist_row->state == GTK_STATE_SELECTED) { clist_row->state = GTK_STATE_NORMAL; if (clist->selection_end && clist->selection_end->data == GINT_TO_POINTER (row)) clist->selection_end = clist->selection_end->prev; clist->selection = g_list_remove (clist->selection, GINT_TO_POINTER (row)); if (!GTK_CLIST_FROZEN (clist) && (gtk_clist_row_is_visible (clist, row) != GTK_VISIBILITY_NONE)) GTK_CLIST_CLASS_FW (clist)->draw_row (clist, NULL, row, clist_row); } } static gint get_selection_info (GtkCList * clist, gint x, gint y, gint * row, gint * column) { gint trow, tcol; g_return_val_if_fail (clist != NULL, 0); g_return_val_if_fail (GTK_IS_CLIST (clist), 0); /* bounds checking, return false if the user clicked * on a blank area */ trow = ROW_FROM_YPIXEL (clist, y); if (trow >= clist->rows) return 0; if (row) *row = trow; tcol = COLUMN_FROM_XPIXEL (clist, x); if (tcol >= clist->columns) return 0; if (column) *column = tcol; return 1; } gint gtk_clist_get_selection_info (GtkCList *clist, gint x, gint y, gint * row, gint * column) { g_return_val_if_fail (clist != NULL, 0); g_return_val_if_fail (GTK_IS_CLIST (clist), 0); return get_selection_info (clist, x, y, row, column); } /* * RESIZE COLUMNS * draw_xor_line * new_column_width * resize_column */ static void draw_xor_line (GtkCList * clist) { GtkWidget *widget; g_return_if_fail (clist != NULL); widget = GTK_WIDGET (clist); gdk_draw_line (widget->window, clist->xor_gc, clist->x_drag, widget->style->klass->ythickness, clist->x_drag, clist->column_title_area.height + clist->clist_window_height + 1); } /* this function returns the new width of the column being resized given * the column and x position of the cursor; the x cursor position is passed * in as a pointer and automagicly corrected if it's beyond min/max limits */ static gint new_column_width (GtkCList *clist, gint column, gint *x) { gint xthickness = GTK_WIDGET (clist)->style->klass->xthickness; gint width; gint cx; gint dx; /* first translate the x position from widget->window * to clist->clist_window */ cx = *x - xthickness; /* calculate new column width making sure it doesn't end up * less than the minimum width */ dx = (COLUMN_LEFT_XPIXEL (clist, column) + COLUMN_INSET + (column < clist->columns - 1) * CELL_SPACING); width = cx - dx; if (width < MAX (COLUMN_MIN_WIDTH, clist->column[column].min_width)) { width = MAX (COLUMN_MIN_WIDTH, clist->column[column].min_width); cx = dx + width; *x = cx + xthickness; } else if (clist->column[column].max_width >= COLUMN_MIN_WIDTH && width > clist->column[column].max_width) { width = clist->column[column].max_width; cx = dx + clist->column[column].max_width; *x = cx + xthickness; } if (cx < 0 || cx > clist->clist_window_width) *x = -1; return width; } /* this will do more later */ static void resize_column (GtkCList * clist, gint column, gint width) { gtk_clist_set_column_width (clist, column, width); } /* BUTTONS */ static void column_button_create (GtkCList * clist, gint column) { GtkWidget *button; button = clist->column[column].button = gtk_button_new (); if (GTK_WIDGET_REALIZED (clist) && clist->title_window) gtk_widget_set_parent_window (clist->column[column].button, clist->title_window); gtk_widget_set_parent (button, GTK_WIDGET (clist)); gtk_signal_connect (GTK_OBJECT (button), "clicked", (GtkSignalFunc) column_button_clicked, (gpointer) clist); gtk_widget_show (button); } static void column_button_clicked (GtkWidget * widget, gpointer data) { gint i; GtkCList *clist; g_return_if_fail (widget != NULL); g_return_if_fail (GTK_IS_CLIST (data)); clist = GTK_CLIST (data); /* find the column who's button was pressed */ for (i = 0; i < clist->columns; i++) if (clist->column[i].button == widget) break; gtk_signal_emit (GTK_OBJECT (clist), clist_signals[CLICK_COLUMN], i); } /* * SCROLLBARS * * functions: * create_scrollbars * adjust_scrollbars * vadjustment_changed * hadjustment_changed * vadjustment_value_changed * hadjustment_value_changed */ static void create_scrollbars (GtkCList * clist) { GtkAdjustment *adjustment; clist->vscrollbar = gtk_vscrollbar_new (NULL); adjustment = gtk_range_get_adjustment (GTK_RANGE (clist->vscrollbar)); gtk_signal_connect (GTK_OBJECT (adjustment), "changed", (GtkSignalFunc) vadjustment_changed, (gpointer) clist); gtk_signal_connect (GTK_OBJECT (adjustment), "value_changed", (GtkSignalFunc) vadjustment_value_changed, (gpointer) clist); gtk_widget_set_parent (clist->vscrollbar, GTK_WIDGET (clist)); gtk_widget_show (clist->vscrollbar); clist->hscrollbar = gtk_hscrollbar_new (NULL); adjustment = gtk_range_get_adjustment (GTK_RANGE (clist->hscrollbar)); gtk_signal_connect (GTK_OBJECT (adjustment), "changed", (GtkSignalFunc) hadjustment_changed, (gpointer) clist); gtk_signal_connect (GTK_OBJECT (adjustment), "value_changed", (GtkSignalFunc) hadjustment_value_changed, (gpointer) clist); gtk_widget_set_parent (clist->hscrollbar, GTK_WIDGET (clist)); gtk_widget_show (clist->hscrollbar); } static void adjust_scrollbars (GtkCList * clist) { GTK_RANGE (clist->vscrollbar)->adjustment->page_size = clist->clist_window_height; GTK_RANGE (clist->vscrollbar)->adjustment->page_increment = clist->clist_window_height / 2; GTK_RANGE (clist->vscrollbar)->adjustment->step_increment = 10; GTK_RANGE (clist->vscrollbar)->adjustment->lower = 0; GTK_RANGE (clist->vscrollbar)->adjustment->upper = LIST_HEIGHT (clist); if (clist->clist_window_height - clist->voffset > LIST_HEIGHT (clist)) { GTK_RANGE (clist->vscrollbar)->adjustment->value = MAX (0, LIST_HEIGHT (clist) - clist->clist_window_height); gtk_signal_emit_by_name (GTK_OBJECT (GTK_RANGE (clist->vscrollbar)->adjustment), "value_changed"); } GTK_RANGE (clist->hscrollbar)->adjustment->page_size = clist->clist_window_width; GTK_RANGE (clist->hscrollbar)->adjustment->page_increment = clist->clist_window_width / 2; GTK_RANGE (clist->hscrollbar)->adjustment->step_increment = 10; GTK_RANGE (clist->hscrollbar)->adjustment->lower = 0; GTK_RANGE (clist->hscrollbar)->adjustment->upper = LIST_WIDTH (clist); if (clist->clist_window_width - clist->hoffset > LIST_WIDTH (clist)) { GTK_RANGE (clist->hscrollbar)->adjustment->value = MAX (0, LIST_WIDTH (clist) - clist->clist_window_width); gtk_signal_emit_by_name (GTK_OBJECT (GTK_RANGE (clist->hscrollbar)->adjustment), "value_changed"); } if (LIST_HEIGHT (clist) <= clist->clist_window_height && clist->vscrollbar_policy == GTK_POLICY_AUTOMATIC) { if (GTK_WIDGET_VISIBLE (clist->vscrollbar)) { gtk_widget_hide (clist->vscrollbar); gtk_widget_size_allocate (GTK_WIDGET (clist), >K_WIDGET (clist)->allocation); } } else { if (!GTK_WIDGET_VISIBLE (clist->vscrollbar)) { gtk_widget_show (clist->vscrollbar); gtk_widget_size_allocate (GTK_WIDGET (clist), >K_WIDGET (clist)->allocation); } } if (LIST_WIDTH (clist) <= clist->clist_window_width && clist->hscrollbar_policy == GTK_POLICY_AUTOMATIC) { if (GTK_WIDGET_VISIBLE (clist->hscrollbar)) { gtk_widget_hide (clist->hscrollbar); gtk_widget_size_allocate (GTK_WIDGET (clist), >K_WIDGET (clist)->allocation); } } else { if (!GTK_WIDGET_VISIBLE (clist->hscrollbar)) { gtk_widget_show (clist->hscrollbar); gtk_widget_size_allocate (GTK_WIDGET (clist), >K_WIDGET (clist)->allocation); } } gtk_signal_emit_by_name (GTK_OBJECT (GTK_RANGE (clist->vscrollbar)->adjustment), "changed"); gtk_signal_emit_by_name (GTK_OBJECT (GTK_RANGE (clist->hscrollbar)->adjustment), "changed"); } static void vadjustment_changed (GtkAdjustment * adjustment, gpointer data) { GtkCList *clist; g_return_if_fail (adjustment != NULL); g_return_if_fail (data != NULL); clist = GTK_CLIST (data); } static void hadjustment_changed (GtkAdjustment * adjustment, gpointer data) { GtkCList *clist; g_return_if_fail (adjustment != NULL); g_return_if_fail (data != NULL); clist = GTK_CLIST (data); } static void check_exposures (GtkCList *clist) { GdkEvent *event; if (!GTK_WIDGET_REALIZED (clist)) return; /* Make sure graphics expose events are processed before scrolling * again */ while ((event = gdk_event_get_graphics_expose (clist->clist_window)) != NULL) { gtk_widget_event (GTK_WIDGET (clist), event); if (event->expose.count == 0) { gdk_event_free (event); break; } gdk_event_free (event); } } static void vadjustment_value_changed (GtkAdjustment * adjustment, gpointer data) { GtkCList *clist; GdkRectangle area; gint diff, value; g_return_if_fail (adjustment != NULL); g_return_if_fail (data != NULL); g_return_if_fail (GTK_IS_CLIST (data)); clist = GTK_CLIST (data); if (!GTK_WIDGET_DRAWABLE (clist)) return; value = adjustment->value; if (adjustment == gtk_range_get_adjustment (GTK_RANGE (clist->vscrollbar))) { if (value > -clist->voffset) { /* scroll down */ diff = value + clist->voffset; /* we have to re-draw the whole screen here... */ if (diff >= clist->clist_window_height) { clist->voffset = -value; draw_rows (clist, NULL); return; } if ((diff != 0) && (diff != clist->clist_window_height)) gdk_window_copy_area (clist->clist_window, clist->fg_gc, 0, 0, clist->clist_window, 0, diff, clist->clist_window_width, clist->clist_window_height - diff); area.x = 0; area.y = clist->clist_window_height - diff; area.width = clist->clist_window_width; area.height = diff; } else { /* scroll up */ diff = -clist->voffset - value; /* we have to re-draw the whole screen here... */ if (diff >= clist->clist_window_height) { clist->voffset = -value; draw_rows (clist, NULL); return; } if ((diff != 0) && (diff != clist->clist_window_height)) gdk_window_copy_area (clist->clist_window, clist->fg_gc, 0, diff, clist->clist_window, 0, 0, clist->clist_window_width, clist->clist_window_height - diff); area.x = 0; area.y = 0; area.width = clist->clist_window_width; area.height = diff; } clist->voffset = -value; if ((diff != 0) && (diff != clist->clist_window_height)) check_exposures (clist); } draw_rows (clist, &area); } static void hadjustment_value_changed (GtkAdjustment * adjustment, gpointer data) { GtkCList *clist; GdkRectangle area; gint i; gint y = 0; gint diff = 0; gint value; g_return_if_fail (adjustment != NULL); g_return_if_fail (data != NULL); g_return_if_fail (GTK_IS_CLIST (data)); clist = GTK_CLIST (data); if (!GTK_WIDGET_DRAWABLE (clist) || adjustment != gtk_range_get_adjustment (GTK_RANGE (clist->hscrollbar))) return; value = adjustment->value; /* move the column buttons and resize windows */ for (i = 0; i < clist->columns; i++) { if (clist->column[i].button) { clist->column[i].button->allocation.x -= value + clist->hoffset; if (clist->column[i].button->window) { gdk_window_move (clist->column[i].button->window, clist->column[i].button->allocation.x, clist->column[i].button->allocation.y); if (clist->column[i].window) gdk_window_move (clist->column[i].window, clist->column[i].button->allocation.x + clist->column[i].button->allocation.width - (DRAG_WIDTH / 2), 0); } } } if (value > -clist->hoffset) { /* scroll right */ diff = value + clist->hoffset; clist->hoffset = -value; /* we have to re-draw the whole screen here... */ if (diff >= clist->clist_window_width) { draw_rows (clist, NULL); return; } if (GTK_WIDGET_HAS_FOCUS (clist) && !GTK_CLIST_CHILD_HAS_FOCUS (clist) && GTK_CLIST_ADD_MODE (clist)) { y = ROW_TOP_YPIXEL (clist, clist->focus_row); gdk_draw_rectangle (clist->clist_window, clist->xor_gc, FALSE, 0, y, clist->clist_window_width - 1, clist->row_height - 1); } gdk_window_copy_area (clist->clist_window, clist->fg_gc, 0, 0, clist->clist_window, diff, 0, clist->clist_window_width - diff, clist->clist_window_height); area.x = clist->clist_window_width - diff; } else { /* scroll left */ if (!(diff = -clist->hoffset - value)) return; clist->hoffset = -value; /* we have to re-draw the whole screen here... */ if (diff >= clist->clist_window_width) { draw_rows (clist, NULL); return; } if (GTK_WIDGET_HAS_FOCUS (clist) && !GTK_CLIST_CHILD_HAS_FOCUS (clist) && GTK_CLIST_ADD_MODE (clist)) { y = ROW_TOP_YPIXEL (clist, clist->focus_row); gdk_draw_rectangle (clist->clist_window, clist->xor_gc, FALSE, 0, y, clist->clist_window_width - 1, clist->row_height - 1); } gdk_window_copy_area (clist->clist_window, clist->fg_gc, diff, 0, clist->clist_window, 0, 0, clist->clist_window_width - diff, clist->clist_window_height); area.x = 0; } area.y = 0; area.width = diff; area.height = clist->clist_window_height; check_exposures (clist); if (GTK_WIDGET_HAS_FOCUS (clist) && !GTK_CLIST_CHILD_HAS_FOCUS (clist)) { if (GTK_CLIST_ADD_MODE (clist)) { gint focus_row; focus_row = clist->focus_row; clist->focus_row = -1; draw_rows (clist, &area); clist->focus_row = focus_row; gdk_draw_rectangle (clist->clist_window, clist->xor_gc, FALSE, 0, y, clist->clist_window_width - 1, clist->row_height - 1); return; } else { gint x0; gint x1; if (area.x == 0) { x0 = clist->clist_window_width - 1; x1 = diff; } else { x0 = 0; x1 = area.x - 1; } y = ROW_TOP_YPIXEL (clist, clist->focus_row); gdk_draw_line (clist->clist_window, clist->xor_gc, x0, y + 1, x0, y + clist->row_height - 2); gdk_draw_line (clist->clist_window, clist->xor_gc, x1, y + 1, x1, y + clist->row_height - 2); } } draw_rows (clist, &area); } /* * Memory Allocation/Distruction Routines for GtkCList stuctures * * functions: * columns_new * column_title_new * columns_delete * row_new * row_delete * set_cell_contents */ static GtkCListColumn * columns_new (GtkCList * clist) { gint i; GtkCListColumn *column; column = g_new (GtkCListColumn, clist->columns); for (i = 0; i < clist->columns; i++) { column[i].area.x = 0; column[i].area.y = 0; column[i].area.width = 0; column[i].area.height = 0; column[i].title = NULL; column[i].button = NULL; column[i].window = NULL; column[i].width = 0; column[i].min_width = -1; column[i].max_width = -1; column[i].visible = TRUE; column[i].width_set = FALSE; column[i].resizeable = TRUE; column[i].justification = GTK_JUSTIFY_LEFT; } return column; } static void column_title_new (GtkCList *clist, gint column, const gchar *title) { if (clist->column[column].title) g_free (clist->column[column].title); clist->column[column].title = g_strdup (title); } static void columns_delete (GtkCList * clist) { gint i; for (i = 0; i < clist->columns; i++) if (clist->column[i].title) g_free (clist->column[i].title); g_free (clist->column); } static GtkCListRow * row_new (GtkCList * clist) { int i; GtkCListRow *clist_row; clist_row = g_chunk_new (GtkCListRow, clist->row_mem_chunk); clist_row->cell = g_chunk_new (GtkCell, clist->cell_mem_chunk); for (i = 0; i < clist->columns; i++) { clist_row->cell[i].type = GTK_CELL_EMPTY; clist_row->cell[i].vertical = 0; clist_row->cell[i].horizontal = 0; } clist_row->fg_set = FALSE; clist_row->bg_set = FALSE; clist_row->selectable = TRUE; clist_row->state = GTK_STATE_NORMAL; clist_row->data = NULL; clist_row->destroy = NULL; return clist_row; } static void row_delete (GtkCList * clist, GtkCListRow * clist_row) { gint i; for (i = 0; i < clist->columns; i++) GTK_CLIST_CLASS_FW (clist)->set_cell_contents (clist, clist_row, i, GTK_CELL_EMPTY, NULL, 0, NULL, NULL); if (clist_row->destroy) clist_row->destroy (clist_row->data); g_mem_chunk_free (clist->cell_mem_chunk, clist_row->cell); g_mem_chunk_free (clist->row_mem_chunk, clist_row); } static void set_cell_contents (GtkCList *clist, GtkCListRow *clist_row, gint column, GtkCellType type, const gchar *text, guint8 spacing, GdkPixmap *pixmap, GdkBitmap *mask) { g_return_if_fail (clist_row != NULL); switch (clist_row->cell[column].type) { case GTK_CELL_EMPTY: break; case GTK_CELL_TEXT: g_free (GTK_CELL_TEXT (clist_row->cell[column])->text); break; case GTK_CELL_PIXMAP: gdk_pixmap_unref (GTK_CELL_PIXMAP (clist_row->cell[column])->pixmap); if (GTK_CELL_PIXMAP (clist_row->cell[column])->mask) gdk_bitmap_unref (GTK_CELL_PIXMAP (clist_row->cell[column])->mask); break; case GTK_CELL_PIXTEXT: g_free (GTK_CELL_PIXTEXT (clist_row->cell[column])->text); gdk_pixmap_unref (GTK_CELL_PIXTEXT (clist_row->cell[column])->pixmap); if (GTK_CELL_PIXTEXT (clist_row->cell[column])->mask) gdk_bitmap_unref (GTK_CELL_PIXTEXT (clist_row->cell[column])->mask); break; case GTK_CELL_WIDGET: /* unimplimented */ break; default: break; } clist_row->cell[column].type = GTK_CELL_EMPTY; switch (type) { case GTK_CELL_TEXT: if (text) { clist_row->cell[column].type = GTK_CELL_TEXT; GTK_CELL_TEXT (clist_row->cell[column])->text = g_strdup (text); } break; case GTK_CELL_PIXMAP: if (pixmap) { clist_row->cell[column].type = GTK_CELL_PIXMAP; GTK_CELL_PIXMAP (clist_row->cell[column])->pixmap = pixmap; /* We set the mask even if it is NULL */ GTK_CELL_PIXMAP (clist_row->cell[column])->mask = mask; } break; case GTK_CELL_PIXTEXT: if (text && pixmap) { clist_row->cell[column].type = GTK_CELL_PIXTEXT; GTK_CELL_PIXTEXT (clist_row->cell[column])->text = g_strdup (text); GTK_CELL_PIXTEXT (clist_row->cell[column])->spacing = spacing; GTK_CELL_PIXTEXT (clist_row->cell[column])->pixmap = pixmap; GTK_CELL_PIXTEXT (clist_row->cell[column])->mask = mask; } break; default: break; } } /* Fill in data after widget has correct style */ static void add_style_data (GtkCList * clist) { GtkWidget *widget; widget = GTK_WIDGET(clist); /* text properties */ if (!GTK_CLIST_ROW_HEIGHT_SET (clist)) { clist->row_height = widget->style->font->ascent + widget->style->font->descent + 1; clist->row_center_offset = widget->style->font->ascent + 1.5; } else { gint text_height; text_height = clist->row_height - (GTK_WIDGET (clist)->style->font->ascent + GTK_WIDGET (clist) ->style->font->descent + 1); clist->row_center_offset = (text_height / 2) + GTK_WIDGET (clist)->style->font->ascent + 1.5; } /* Column widths */ } /* focus functions */ static void gtk_clist_draw_focus (GtkWidget *widget) { GtkCList *clist; g_return_if_fail (widget != NULL); g_return_if_fail (GTK_IS_CLIST (widget)); if (!GTK_WIDGET_DRAWABLE (widget)) return; clist = GTK_CLIST (widget); if (clist->focus_row >= 0) gdk_draw_rectangle (clist->clist_window, clist->xor_gc, FALSE, 0, ROW_TOP_YPIXEL(clist, clist->focus_row), clist->clist_window_width - 1, clist->row_height - 1); } static void gtk_clist_set_focus_child (GtkContainer *container, GtkWidget *child) { g_return_if_fail (container != NULL); g_return_if_fail (GTK_IS_CLIST (container)); if (child) { g_return_if_fail (GTK_IS_WIDGET (child)); GTK_CLIST_SET_FLAG (GTK_CLIST (container), CLIST_CHILD_HAS_FOCUS); } parent_class->set_focus_child (container, child); } static gint gtk_clist_focus_in (GtkWidget *widget, GdkEventFocus *event) { GtkCList *clist; g_return_val_if_fail (widget != NULL, FALSE); g_return_val_if_fail (GTK_IS_CLIST (widget), FALSE); g_return_val_if_fail (event != NULL, FALSE); GTK_WIDGET_SET_FLAGS (widget, GTK_HAS_FOCUS); GTK_CLIST_UNSET_FLAG (widget, CLIST_CHILD_HAS_FOCUS); clist = GTK_CLIST (widget); if (clist->selection_mode == GTK_SELECTION_BROWSE && clist->selection == NULL && clist->focus_row > -1) { GList *list; list = g_list_nth (clist->row_list, clist->focus_row); if (list && GTK_CLIST_ROW (list)->selectable) select_row (clist, clist->focus_row, -1, (GdkEvent *) event); else gtk_widget_draw_focus (widget); } else gtk_widget_draw_focus (widget); return FALSE; } static gint gtk_clist_focus_out (GtkWidget *widget, GdkEventFocus *event) { GtkCList *clist; g_return_val_if_fail (widget != NULL, FALSE); g_return_val_if_fail (GTK_IS_CLIST (widget), FALSE); g_return_val_if_fail (event != NULL, FALSE); GTK_WIDGET_UNSET_FLAGS (widget, GTK_HAS_FOCUS); gtk_widget_draw_focus (widget); clist = GTK_CLIST (widget); if (clist->anchor != -1 && clist->selection_mode == GTK_SELECTION_EXTENDED) GTK_CLIST_CLASS_FW (widget)->resync_selection (clist, (GdkEvent *) event); return FALSE; } static void toggle_add_mode (GtkCList *clist) { g_return_if_fail (clist != 0); g_return_if_fail (GTK_IS_CLIST (clist)); if ((gdk_pointer_is_grabbed () && GTK_WIDGET_HAS_GRAB (clist)) || clist->selection_mode != GTK_SELECTION_EXTENDED) return; gtk_clist_draw_focus (GTK_WIDGET (clist)); if (!GTK_CLIST_ADD_MODE (clist)) { GTK_CLIST_SET_FLAG (clist, CLIST_ADD_MODE); gdk_gc_set_line_attributes (clist->xor_gc, 1, GDK_LINE_ON_OFF_DASH, 0, 0); gdk_gc_set_dashes (clist->xor_gc, 0, "\4\4", 2); } else { GTK_CLIST_UNSET_FLAG (clist, CLIST_ADD_MODE); gdk_gc_set_line_attributes (clist->xor_gc, 1, GDK_LINE_SOLID, 0, 0); clist->anchor_state = GTK_STATE_SELECTED; } gtk_clist_draw_focus (GTK_WIDGET (clist)); } static void toggle_focus_row (GtkCList *clist) { g_return_if_fail (clist != 0); g_return_if_fail (GTK_IS_CLIST (clist)); if ((gdk_pointer_is_grabbed () && GTK_WIDGET_HAS_GRAB (clist)) || clist->focus_row < 0 || clist->focus_row >= clist->rows) return; switch (clist->selection_mode) { case GTK_SELECTION_SINGLE: case GTK_SELECTION_MULTIPLE: toggle_row (clist, clist->focus_row, 0, NULL); break; case GTK_SELECTION_EXTENDED: g_list_free (clist->undo_selection); g_list_free (clist->undo_unselection); clist->undo_selection = NULL; clist->undo_unselection = NULL; clist->anchor = clist->focus_row; clist->drag_pos = clist->focus_row; clist->undo_anchor = clist->focus_row; if (GTK_CLIST_ADD_MODE (clist)) fake_toggle_row (clist, clist->focus_row); else GTK_CLIST_CLASS_FW (clist)->fake_unselect_all (clist,clist->focus_row); GTK_CLIST_CLASS_FW (clist)->resync_selection (clist, NULL); break; default: break; } } static void move_focus_row (GtkCList *clist, GtkScrollType scroll_type, gfloat position) { GtkWidget *widget; g_return_if_fail (clist != 0); g_return_if_fail (GTK_IS_CLIST (clist)); widget = GTK_WIDGET (clist); switch (scroll_type) { case GTK_SCROLL_STEP_BACKWARD: if (clist->focus_row <= 0) return; gtk_clist_draw_focus (widget); clist->focus_row--; gtk_clist_draw_focus (widget); break; case GTK_SCROLL_STEP_FORWARD: if (clist->focus_row >= clist->rows - 1) return; gtk_clist_draw_focus (widget); clist->focus_row++; gtk_clist_draw_focus (widget); break; case GTK_SCROLL_PAGE_BACKWARD: if (clist->focus_row <= 0) return; gtk_clist_draw_focus (widget); clist->focus_row = MAX (0, clist->focus_row - (2 * clist->clist_window_height - clist->row_height - CELL_SPACING) / (2 * (clist->row_height + CELL_SPACING))); gtk_clist_draw_focus (widget); break; case GTK_SCROLL_PAGE_FORWARD: if (clist->focus_row >= clist->rows - 1) return; gtk_clist_draw_focus (widget); clist->focus_row = MIN (clist->rows - 1, clist->focus_row + (2 * clist->clist_window_height - clist->row_height - CELL_SPACING) / (2 * (clist->row_height + CELL_SPACING))); gtk_clist_draw_focus (widget); break; case GTK_SCROLL_JUMP: if (position >= 0 && position <= 1) { gtk_clist_draw_focus (widget); clist->focus_row = position * (clist->rows - 1); gtk_clist_draw_focus (widget); } break; default: break; } } static void scroll_horizontal (GtkCList *clist, GtkScrollType scroll_type, gfloat position) { gint column = 0; g_return_if_fail (clist != 0); g_return_if_fail (GTK_IS_CLIST (clist)); if (gdk_pointer_is_grabbed () && GTK_WIDGET_HAS_GRAB (clist)) return; switch (scroll_type) { case GTK_SCROLL_STEP_BACKWARD: column = COLUMN_FROM_XPIXEL (clist, 0); if (COLUMN_LEFT_XPIXEL (clist, column) - CELL_SPACING - COLUMN_INSET >= 0 && column > 0) column--; break; case GTK_SCROLL_STEP_FORWARD: column = COLUMN_FROM_XPIXEL (clist, clist->clist_window_width); if (column < 0) return; if (COLUMN_LEFT_XPIXEL (clist, column) + clist->column[column].area.width + CELL_SPACING + COLUMN_INSET - 1 <= clist->clist_window_width && column < clist->columns - 1) column++; break; case GTK_SCROLL_PAGE_BACKWARD: case GTK_SCROLL_PAGE_FORWARD: return; case GTK_SCROLL_JUMP: if (position >= 0 && position <= 1) column = position * (clist->columns - 1); else return; break; default: break; } if (COLUMN_LEFT_XPIXEL (clist, column) < CELL_SPACING + COLUMN_INSET) gtk_clist_moveto (clist, -1, column, 0, 0); else if (COLUMN_LEFT_XPIXEL (clist, column) + CELL_SPACING + COLUMN_INSET - 1 + clist->column[column].area.width > clist->clist_window_width) { if (column == clist->columns - 1) gtk_clist_moveto (clist, -1, column, 0, 0); else gtk_clist_moveto (clist, -1, column, 0, 1); } } static void scroll_vertical (GtkCList *clist, GtkScrollType scroll_type, gfloat position) { gint old_focus_row; g_return_if_fail (clist != NULL); g_return_if_fail (GTK_IS_CLIST (clist)); if (gdk_pointer_is_grabbed () && GTK_WIDGET_HAS_GRAB (clist)) return; switch (clist->selection_mode) { case GTK_SELECTION_EXTENDED: if (clist->anchor >= 0) return; case GTK_SELECTION_BROWSE: old_focus_row = clist->focus_row; move_focus_row (clist, scroll_type, position); if (old_focus_row != clist->focus_row) { if (clist->selection_mode == GTK_SELECTION_BROWSE) unselect_row (clist,old_focus_row, -1, NULL); else if (!GTK_CLIST_ADD_MODE (clist)) { gtk_clist_unselect_all (clist); clist->undo_anchor = old_focus_row; } } switch (gtk_clist_row_is_visible (clist, clist->focus_row)) { case GTK_VISIBILITY_NONE: if (old_focus_row != clist->focus_row && !(clist->selection_mode == GTK_SELECTION_EXTENDED && GTK_CLIST_ADD_MODE (clist))) select_row (clist, clist->focus_row, -1, NULL); switch (scroll_type) { case GTK_SCROLL_STEP_BACKWARD: case GTK_SCROLL_PAGE_BACKWARD: gtk_clist_moveto (clist, clist->focus_row, -1, 0, 0); break; case GTK_SCROLL_STEP_FORWARD: case GTK_SCROLL_PAGE_FORWARD: gtk_clist_moveto (clist, clist->focus_row, -1, 1, 0); break; case GTK_SCROLL_JUMP: gtk_clist_moveto (clist, clist->focus_row, -1, 0.5, 0); break; default: break; } break; case GTK_VISIBILITY_PARTIAL: switch (scroll_type) { case GTK_SCROLL_STEP_BACKWARD: case GTK_SCROLL_PAGE_BACKWARD: gtk_clist_moveto (clist, clist->focus_row, -1, 0, 0); break; case GTK_SCROLL_STEP_FORWARD: case GTK_SCROLL_PAGE_FORWARD: gtk_clist_moveto (clist, clist->focus_row, -1, 1, 0); break; case GTK_SCROLL_JUMP: gtk_clist_moveto (clist, clist->focus_row, -1, 0.5, 0); break; default: break; } default: if (old_focus_row != clist->focus_row && !(clist->selection_mode == GTK_SELECTION_EXTENDED && GTK_CLIST_ADD_MODE (clist))) select_row (clist, clist->focus_row, -1, NULL); break; } break; default: move_focus_row (clist, scroll_type, position); if (ROW_TOP_YPIXEL (clist, clist->focus_row) + clist->row_height > clist->clist_window_height) gtk_clist_moveto (clist, clist->focus_row, -1, 1, 0); else if (ROW_TOP_YPIXEL (clist, clist->focus_row) < 0) gtk_clist_moveto (clist, clist->focus_row, -1, 0, 0); break; } } static void set_anchor (GtkCList *clist, gboolean add_mode, gint anchor, gint undo_anchor) { g_return_if_fail (clist != NULL); g_return_if_fail (GTK_IS_CLIST (clist)); if (clist->selection_mode != GTK_SELECTION_EXTENDED || clist->anchor >= 0) return; g_list_free (clist->undo_selection); g_list_free (clist->undo_unselection); clist->undo_selection = NULL; clist->undo_unselection = NULL; if (add_mode) fake_toggle_row (clist, anchor); else { GTK_CLIST_CLASS_FW (clist)->fake_unselect_all (clist, anchor); clist->anchor_state = GTK_STATE_SELECTED; } clist->anchor = anchor; clist->drag_pos = anchor; clist->undo_anchor = undo_anchor; } static void resync_selection (GtkCList *clist, GdkEvent *event) { gint i; gint e; gint row; gboolean thaw = FALSE; GList *list; GtkCListRow *clist_row; if (clist->anchor < 0) return; if (!GTK_CLIST_FROZEN (clist)) { GTK_CLIST_SET_FLAG (clist, CLIST_FROZEN); thaw = TRUE; } i = MIN (clist->anchor, clist->drag_pos); e = MAX (clist->anchor, clist->drag_pos); if (clist->undo_selection) { list = clist->selection; clist->selection = clist->undo_selection; clist->selection_end = g_list_last (clist->selection); clist->undo_selection = list; list = clist->selection; while (list) { row = GPOINTER_TO_INT (list->data); list = list->next; if (row < i || row > e) { clist_row = g_list_nth (clist->row_list, row)->data; if (clist_row->selectable) { clist_row->state = GTK_STATE_SELECTED; unselect_row (clist, row, -1, event); clist->undo_selection = g_list_prepend (clist->undo_selection, GINT_TO_POINTER (row)); } } } } for (list = g_list_nth (clist->row_list, i); i <= e; i++, list = list->next) if (GTK_CLIST_ROW (list)->selectable) { if (g_list_find (clist->selection, GINT_TO_POINTER(i))) { if (GTK_CLIST_ROW (list)->state == GTK_STATE_NORMAL) { GTK_CLIST_ROW (list)->state = GTK_STATE_SELECTED; unselect_row (clist, i, -1, event); clist->undo_selection = g_list_prepend (clist->undo_selection, GINT_TO_POINTER (i)); } } else if (GTK_CLIST_ROW (list)->state == GTK_STATE_SELECTED) { GTK_CLIST_ROW (list)->state = GTK_STATE_NORMAL; clist->undo_unselection = g_list_prepend (clist->undo_unselection, GINT_TO_POINTER (i)); } } for (list = clist->undo_unselection; list; list = list->next) gtk_signal_emit (GTK_OBJECT (clist), clist_signals[SELECT_ROW], GPOINTER_TO_INT (list->data), -1, event); clist->anchor = -1; clist->drag_pos = -1; if (thaw) GTK_CLIST_UNSET_FLAG (clist, CLIST_FROZEN); } static void update_extended_selection (GtkCList *clist, gint row) { gint i; GList *list; GdkRectangle area; gint s1 = -1; gint s2 = -1; gint e1 = -1; gint e2 = -1; gint y1 = clist->clist_window_height; gint y2 = clist->clist_window_height; gint h1 = 0; gint h2 = 0; gint top; if (clist->selection_mode != GTK_SELECTION_EXTENDED || clist->anchor == -1) return; if (row < 0) row = 0; if (row >= clist->rows) row = clist->rows - 1; /* extending downwards */ if (row > clist->drag_pos && clist->anchor <= clist->drag_pos) { s2 = clist->drag_pos + 1; e2 = row; } /* extending upwards */ else if (row < clist->drag_pos && clist->anchor >= clist->drag_pos) { s2 = row; e2 = clist->drag_pos - 1; } else if (row < clist->drag_pos && clist->anchor < clist->drag_pos) { e1 = clist->drag_pos; /* row and drag_pos on different sides of anchor : take back the selection between anchor and drag_pos, select between anchor and row */ if (row < clist->anchor) { s1 = clist->anchor + 1; s2 = row; e2 = clist->anchor - 1; } /* take back the selection between anchor and drag_pos */ else s1 = row + 1; } else if (row > clist->drag_pos && clist->anchor > clist->drag_pos) { s1 = clist->drag_pos; /* row and drag_pos on different sides of anchor : take back the selection between anchor and drag_pos, select between anchor and row */ if (row > clist->anchor) { e1 = clist->anchor - 1; s2 = clist->anchor + 1; e2 = row; } /* take back the selection between anchor and drag_pos */ else e1 = row - 1; } clist->drag_pos = row; area.x = 0; area.width = clist->clist_window_width; /* restore the elements between s1 and e1 */ if (s1 >= 0) { for (i = s1, list = g_list_nth (clist->row_list, i); i <= e1; i++, list = list->next) if (GTK_CLIST_ROW (list)->selectable) { if (GTK_CLIST_CLASS_FW (clist)->selection_find (clist, i, list)) GTK_CLIST_ROW (list)->state = GTK_STATE_SELECTED; else GTK_CLIST_ROW (list)->state = GTK_STATE_NORMAL; } top = ROW_TOP_YPIXEL (clist, clist->focus_row); if (top + clist->row_height <= 0) { area.y = 0; area.height = ROW_TOP_YPIXEL (clist, e1) + clist->row_height; draw_rows (clist, &area); gtk_clist_moveto (clist, clist->focus_row, -1, 0, 0); } else if (top >= clist->clist_window_height) { area.y = ROW_TOP_YPIXEL (clist, s1); area.height = clist->clist_window_height - area.y; draw_rows (clist, &area); gtk_clist_moveto (clist, clist->focus_row, -1, 1, 0); } else if (top < 0) gtk_clist_moveto (clist, clist->focus_row, -1, 0, 0); else if (top + clist->row_height > clist->clist_window_height) gtk_clist_moveto (clist, clist->focus_row, -1, 1, 0); y1 = ROW_TOP_YPIXEL (clist, s1); h1 = (e1 - s1 + 1) * (clist->row_height + CELL_SPACING); } /* extend the selection between s2 and e2 */ if (s2 >= 0) { for (i = s2, list = g_list_nth (clist->row_list, i); i <= e2; i++, list = list->next) if (GTK_CLIST_ROW (list)->selectable && GTK_CLIST_ROW (list)->state != clist->anchor_state) GTK_CLIST_ROW (list)->state = clist->anchor_state; top = ROW_TOP_YPIXEL (clist, clist->focus_row); if (top + clist->row_height <= 0) { area.y = 0; area.height = ROW_TOP_YPIXEL (clist, e2) + clist->row_height; draw_rows (clist, &area); gtk_clist_moveto (clist, clist->focus_row, -1, 0, 0); } else if (top >= clist->clist_window_height) { area.y = ROW_TOP_YPIXEL (clist, s2); area.height = clist->clist_window_height - area.y; draw_rows (clist, &area); gtk_clist_moveto (clist, clist->focus_row, -1, 1, 0); } else if (top < 0) gtk_clist_moveto (clist, clist->focus_row, -1, 0, 0); else if (top + clist->row_height > clist->clist_window_height) gtk_clist_moveto (clist, clist->focus_row, -1, 1, 0); y2 = ROW_TOP_YPIXEL (clist, s2); h2 = (e2 - s2 + 1) * (clist->row_height + CELL_SPACING); } area.y = MAX (0, MIN (y1, y2)); if (area.y > clist->clist_window_height) area.y = 0; area.height = MIN (clist->clist_window_height, h1 + h2); if (s1 >= 0 && s2 >= 0) area.height += (clist->row_height + CELL_SPACING); draw_rows (clist, &area); } static void start_selection (GtkCList *clist) { g_return_if_fail (clist != NULL); g_return_if_fail (GTK_IS_CLIST (clist)); if (gdk_pointer_is_grabbed () && GTK_WIDGET_HAS_GRAB (clist)) return; set_anchor (clist, GTK_CLIST_ADD_MODE (clist), clist->focus_row, clist->focus_row); } static void end_selection (GtkCList *clist) { g_return_if_fail (clist != NULL); g_return_if_fail (GTK_IS_CLIST (clist)); if ((gdk_pointer_is_grabbed () && GTK_WIDGET_HAS_FOCUS (clist)) || clist->anchor == -1) return; GTK_CLIST_CLASS_FW (clist)->resync_selection (clist, NULL); } static void extend_selection (GtkCList *clist, GtkScrollType scroll_type, gfloat position, gboolean auto_start_selection) { g_return_if_fail (clist != NULL); g_return_if_fail (GTK_IS_CLIST (clist)); if ((gdk_pointer_is_grabbed () && GTK_WIDGET_HAS_GRAB (clist)) || clist->selection_mode != GTK_SELECTION_EXTENDED) return; if (auto_start_selection) set_anchor (clist, GTK_CLIST_ADD_MODE (clist), clist->focus_row, clist->focus_row); else if (clist->anchor == -1) return; move_focus_row (clist, scroll_type, position); if (ROW_TOP_YPIXEL (clist, clist->focus_row) + clist->row_height > clist->clist_window_height) gtk_clist_moveto (clist, clist->focus_row, -1, 1, 0); else if (ROW_TOP_YPIXEL (clist, clist->focus_row) < 0) gtk_clist_moveto (clist, clist->focus_row, -1, 0, 0); update_extended_selection (clist, clist->focus_row); } static void abort_column_resize (GtkCList *clist) { g_return_if_fail (clist != NULL); g_return_if_fail (GTK_IS_CLIST (clist)); if (!GTK_CLIST_IN_DRAG (clist)) return; GTK_CLIST_UNSET_FLAG (clist, CLIST_IN_DRAG); gtk_grab_remove (GTK_WIDGET (clist)); gdk_pointer_ungrab (GDK_CURRENT_TIME); clist->drag_pos = -1; if (clist->x_drag >= 0 && clist->x_drag <= clist->clist_window_width - 1) draw_xor_line (clist); if (GTK_CLIST_ADD_MODE (clist)) { gdk_gc_set_line_attributes (clist->xor_gc, 1, GDK_LINE_ON_OFF_DASH, 0,0); gdk_gc_set_dashes (clist->xor_gc, 0, "\4\4", 2); } } static gint gtk_clist_key_press (GtkWidget * widget, GdkEventKey * event) { g_return_val_if_fail (widget != NULL, FALSE); g_return_val_if_fail (GTK_IS_CLIST (widget), FALSE); g_return_val_if_fail (event != NULL, FALSE); if (GTK_WIDGET_CLASS (parent_class)->key_press_event && GTK_WIDGET_CLASS (parent_class)->key_press_event (widget, event)) return TRUE; switch (event->keyval) { case GDK_Tab: case GDK_ISO_Left_Tab: if (event->state & GDK_SHIFT_MASK) return gtk_container_focus (GTK_CONTAINER (widget), GTK_DIR_TAB_BACKWARD); else return gtk_container_focus (GTK_CONTAINER (widget), GTK_DIR_TAB_FORWARD); default: break; } return FALSE; } static gboolean title_focus (GtkCList * clist, gint dir) { GtkWidget *focus_child; gboolean return_val = FALSE; gint d = 1; gint i = 0; gint j; if (!GTK_CLIST_SHOW_TITLES (clist)) return FALSE; focus_child = GTK_CONTAINER (clist)->focus_child; switch (dir) { case GTK_DIR_TAB_BACKWARD: case GTK_DIR_UP: if (!focus_child || focus_child == clist->hscrollbar || focus_child == clist->hscrollbar || !GTK_CLIST_CHILD_HAS_FOCUS (clist)) { if (dir == GTK_DIR_UP) i = COLUMN_FROM_XPIXEL (clist, 0); else i = clist->columns - 1; focus_child = clist->column[i].button; dir = GTK_DIR_TAB_FORWARD; } else d = -1; break; case GTK_DIR_LEFT: d = -1; if (!focus_child || focus_child == clist->hscrollbar || focus_child == clist->hscrollbar) { i = clist->columns - 1; focus_child = clist->column[i].button; } break; case GTK_DIR_RIGHT: if (!focus_child || focus_child == clist->hscrollbar || focus_child == clist->hscrollbar) { i = 0; focus_child = clist->column[i].button; } break; } if (focus_child) while (i < clist->columns) { if (clist->column[i].button == focus_child) { if (clist->column[i].button && GTK_WIDGET_VISIBLE (clist->column[i].button) && GTK_IS_CONTAINER (clist->column[i].button) && !GTK_WIDGET_HAS_FOCUS (clist->column[i].button)) if (gtk_container_focus (GTK_CONTAINER (clist->column[i].button), dir)) { return_val = TRUE; i -= d; } if (!return_val && dir == GTK_DIR_UP) return FALSE; i += d; break; } i++; } j = i; if (!return_val) while (j >= 0 && j < clist->columns) { if (clist->column[j].button && GTK_WIDGET_VISIBLE (clist->column[j].button)) { if (GTK_IS_CONTAINER (clist->column[j].button) && gtk_container_focus (GTK_CONTAINER (clist->column[j].button), dir)) { return_val = TRUE; break; } else if (GTK_WIDGET_CAN_FOCUS (clist->column[j].button)) { gtk_widget_grab_focus (clist->column[j].button); return_val = TRUE; break; } } j += d; } if (return_val) { if (COLUMN_LEFT_XPIXEL (clist, j) < CELL_SPACING + COLUMN_INSET) gtk_clist_moveto (clist, -1, j, 0, 0); else if (COLUMN_LEFT_XPIXEL(clist, j) + clist->column[j].area.width > clist->clist_window_width) { if (j == clist->columns-1) gtk_clist_moveto (clist, -1, j, 0, 0); else gtk_clist_moveto (clist, -1, j, 0, 1); } } return return_val; } static gint gtk_clist_focus (GtkContainer * container, GtkDirectionType direction) { GtkCList *clist; GtkWidget *focus_child; gint old_row; g_return_val_if_fail (container != NULL, FALSE); g_return_val_if_fail (GTK_IS_CLIST (container), FALSE); if (!GTK_WIDGET_SENSITIVE (container)) return FALSE; clist = GTK_CLIST (container); focus_child = container->focus_child; old_row = clist->focus_row; switch (direction) { case GTK_DIR_LEFT: case GTK_DIR_RIGHT: if (GTK_CLIST_CHILD_HAS_FOCUS (clist) && (!focus_child || (focus_child && focus_child != clist->vscrollbar && focus_child != clist->hscrollbar))) { if (title_focus (clist, direction)) return TRUE; gtk_container_set_focus_child (container, NULL); return FALSE; } gtk_widget_grab_focus (GTK_WIDGET (container)); return TRUE; case GTK_DIR_DOWN: case GTK_DIR_TAB_FORWARD: if (GTK_CLIST_CHILD_HAS_FOCUS (clist) && (!focus_child || (focus_child != clist->vscrollbar && focus_child != clist->hscrollbar))) { gboolean tf = FALSE; if (((focus_child && direction == GTK_DIR_DOWN) || !(tf = title_focus (clist, GTK_DIR_TAB_FORWARD))) && clist->rows) { if (clist->focus_row < 0) { clist->focus_row = 0; if ((clist->selection_mode == GTK_SELECTION_BROWSE || clist->selection_mode == GTK_SELECTION_EXTENDED) && !clist->selection) select_row (clist, clist->focus_row, -1, NULL); } gtk_widget_grab_focus (GTK_WIDGET (container)); return TRUE; } if (tf) return TRUE; } GTK_CLIST_SET_FLAG (clist, CLIST_CHILD_HAS_FOCUS); if ((!GTK_CLIST_CHILD_HAS_FOCUS (clist) || !focus_child || (focus_child != clist->vscrollbar && focus_child != clist->hscrollbar)) && GTK_WIDGET_VISIBLE (clist->vscrollbar) && GTK_WIDGET_CAN_FOCUS (clist->vscrollbar)) { gtk_widget_grab_focus (clist->vscrollbar); return TRUE; } if ((!GTK_CLIST_CHILD_HAS_FOCUS (clist) || !focus_child || focus_child != clist->hscrollbar) && GTK_WIDGET_VISIBLE (clist->hscrollbar) && GTK_WIDGET_CAN_FOCUS (clist->hscrollbar)) { gtk_widget_grab_focus (clist->hscrollbar); return TRUE; } break; case GTK_DIR_UP: case GTK_DIR_TAB_BACKWARD: if (!focus_child && GTK_CLIST_CHILD_HAS_FOCUS (clist) && GTK_WIDGET_VISIBLE (clist->hscrollbar) && GTK_WIDGET_CAN_FOCUS (clist->hscrollbar)) { gtk_widget_grab_focus (clist->hscrollbar); return TRUE; } if ((!focus_child || focus_child == clist->hscrollbar) && GTK_CLIST_CHILD_HAS_FOCUS (clist) && GTK_WIDGET_VISIBLE (clist->vscrollbar) && GTK_WIDGET_CAN_FOCUS (clist->vscrollbar)) { gtk_widget_grab_focus (clist->vscrollbar); return TRUE; } if ((!focus_child || focus_child == clist->hscrollbar || focus_child == clist->vscrollbar) && GTK_CLIST_CHILD_HAS_FOCUS (clist) && clist->rows) { if (clist->focus_row < 0) { clist->focus_row = 0; if ((clist->selection_mode == GTK_SELECTION_BROWSE || clist->selection_mode == GTK_SELECTION_EXTENDED) && !clist->selection) select_row (clist, clist->focus_row, -1, NULL); } gtk_widget_grab_focus (GTK_WIDGET (container)); return TRUE; } GTK_CLIST_SET_FLAG (clist, CLIST_CHILD_HAS_FOCUS); if (title_focus (clist, direction)) return TRUE; break; default: break; } gtk_container_set_focus_child (container, NULL); return FALSE; } void gtk_clist_unselect_all (GtkCList * clist) { g_return_if_fail (clist != NULL); g_return_if_fail (GTK_IS_CLIST (clist)); GTK_CLIST_CLASS_FW (clist)->unselect_all (clist); } static void real_unselect_all (GtkCList * clist) { GList *list; gint i; g_return_if_fail (clist != NULL); g_return_if_fail (GTK_IS_CLIST (clist)); if (gdk_pointer_is_grabbed () && GTK_WIDGET_HAS_GRAB (clist)) return; switch (clist->selection_mode) { case GTK_SELECTION_BROWSE: if (clist->focus_row >= 0) { select_row (clist, clist->focus_row, -1, NULL); return; } break; case GTK_SELECTION_EXTENDED: g_list_free (clist->undo_selection); g_list_free (clist->undo_unselection); clist->undo_selection = NULL; clist->undo_unselection = NULL; clist->anchor = -1; clist->drag_pos = -1; clist->undo_anchor = clist->focus_row; break; default: break; } list = clist->selection; while (list) { i = GPOINTER_TO_INT (list->data); list = list->next; unselect_row (clist, i, -1, NULL); } } void gtk_clist_select_all (GtkCList * clist) { g_return_if_fail (clist != NULL); g_return_if_fail (GTK_IS_CLIST (clist)); GTK_CLIST_CLASS_FW (clist)->select_all (clist); } static void real_select_all (GtkCList * clist) { GList *list; gint i; g_return_if_fail (clist != NULL); g_return_if_fail (GTK_IS_CLIST (clist)); if (gdk_pointer_is_grabbed () && GTK_WIDGET_HAS_GRAB (clist)) return; switch (clist->selection_mode) { case GTK_SELECTION_SINGLE: case GTK_SELECTION_BROWSE: return; case GTK_SELECTION_EXTENDED: g_list_free (clist->undo_selection); g_list_free (clist->undo_unselection); clist->undo_selection = NULL; clist->undo_unselection = NULL; if (clist->rows && ((GtkCListRow *) (clist->row_list->data))->state != GTK_STATE_SELECTED) fake_toggle_row (clist, 0); clist->anchor_state = GTK_STATE_SELECTED; clist->anchor = 0; clist->drag_pos = 0; clist->undo_anchor = clist->focus_row; update_extended_selection (clist, clist->rows); GTK_CLIST_CLASS_FW (clist)->resync_selection (clist, NULL); return; case GTK_SELECTION_MULTIPLE: for (i = 0, list = clist->row_list; list; i++, list = list->next) { if (((GtkCListRow *)(list->data))->state == GTK_STATE_NORMAL) gtk_signal_emit (GTK_OBJECT (clist), clist_signals[SELECT_ROW], i, -1, NULL); } return; } } static void fake_unselect_all (GtkCList * clist, gint row) { GList *list; GList *work; gint i; if (row >= 0 && (work = g_list_nth (clist->row_list, row))) { if (GTK_CLIST_ROW (work)->state == GTK_STATE_NORMAL && GTK_CLIST_ROW (work)->selectable) { GTK_CLIST_ROW (work)->state = GTK_STATE_SELECTED; if (!GTK_CLIST_FROZEN (clist) && gtk_clist_row_is_visible (clist, row) != GTK_VISIBILITY_NONE) GTK_CLIST_CLASS_FW (clist)->draw_row (clist, NULL, row, GTK_CLIST_ROW (work)); } } clist->undo_selection = clist->selection; clist->selection = NULL; clist->selection_end = NULL; for (list = clist->undo_selection; list; list = list->next) { if ((i = GPOINTER_TO_INT (list->data)) == row || !(work = g_list_nth (clist->row_list, i))) continue; GTK_CLIST_ROW (work)->state = GTK_STATE_NORMAL; if (!GTK_CLIST_FROZEN (clist) && gtk_clist_row_is_visible (clist, i) != GTK_VISIBILITY_NONE) GTK_CLIST_CLASS_FW (clist)->draw_row (clist, NULL, i, GTK_CLIST_ROW (work)); } } static void fake_toggle_row (GtkCList *clist, gint row) { GList *work; if (!(work = g_list_nth (clist->row_list, row))|| !GTK_CLIST_ROW (work)->selectable) return; if (GTK_CLIST_ROW (work)->state == GTK_STATE_NORMAL) clist->anchor_state = GTK_CLIST_ROW (work)->state = GTK_STATE_SELECTED; else clist->anchor_state = GTK_CLIST_ROW (work)->state = GTK_STATE_NORMAL; if (!GTK_CLIST_FROZEN (clist) && gtk_clist_row_is_visible (clist, row) != GTK_VISIBILITY_NONE) GTK_CLIST_CLASS_FW (clist)->draw_row (clist, NULL, row, GTK_CLIST_ROW (work)); } static GList * selection_find (GtkCList *clist, gint row_number, GList *row_list_element) { return g_list_find (clist->selection, GINT_TO_POINTER (row_number)); } static gint default_compare (GtkCList *clist, gconstpointer ptr1, gconstpointer ptr2) { char *text1 = NULL; char *text2 = NULL; GtkCListRow *row1 = (GtkCListRow *) ptr1; GtkCListRow *row2 = (GtkCListRow *) ptr2; switch (row1->cell[clist->sort_column].type) { case GTK_CELL_TEXT: text1 = GTK_CELL_TEXT (row1->cell[clist->sort_column])->text; break; case GTK_CELL_PIXTEXT: text1 = GTK_CELL_PIXTEXT (row1->cell[clist->sort_column])->text; break; default: break; } switch (row2->cell[clist->sort_column].type) { case GTK_CELL_TEXT: text2 = GTK_CELL_TEXT (row2->cell[clist->sort_column])->text; break; case GTK_CELL_PIXTEXT: text2 = GTK_CELL_PIXTEXT (row2->cell[clist->sort_column])->text; break; default: break; } if (!text2) return (text1 != NULL); if (!text1) return -1; return strcmp (text1, text2); } void gtk_clist_set_compare_func (GtkCList *clist, GtkCListCompareFunc cmp_func) { g_return_if_fail (clist != NULL); g_return_if_fail (GTK_IS_CLIST (clist)); clist->compare = (cmp_func) ? cmp_func : default_compare; } void gtk_clist_set_auto_sort (GtkCList *clist, gboolean auto_sort) { g_return_if_fail (clist != NULL); g_return_if_fail (GTK_IS_CLIST (clist)); if (GTK_CLIST_AUTO_SORT (clist) && !auto_sort) GTK_CLIST_UNSET_FLAG (clist, CLIST_AUTO_SORT); else if (!GTK_CLIST_AUTO_SORT (clist) && auto_sort) { GTK_CLIST_SET_FLAG (clist, CLIST_AUTO_SORT); gtk_clist_sort (clist); } } void gtk_clist_set_sort_type (GtkCList *clist, GtkSortType sort_type) { g_return_if_fail (clist != NULL); g_return_if_fail (GTK_IS_CLIST (clist)); clist->sort_type = sort_type; } void gtk_clist_set_sort_column (GtkCList *clist, gint column) { g_return_if_fail (clist != NULL); g_return_if_fail (GTK_IS_CLIST (clist)); if (column < 0 || column >= clist->columns) return; clist->sort_column = column; } static GList * gtk_clist_merge (GtkCList *clist, GList *a, /* first list to merge */ GList *b) /* second list to merge */ { GList z = { 0 }; /* auxiliary node */ GList *c; gint cmp; c = &z; while (a || b) { if (a && !b) { c->next = a; a->prev = c; c = a; a = a->next; break; } else if (!a && b) { c->next = b; b->prev = c; c = b; b = b->next; break; } else /* a && b */ { cmp = clist->compare (clist, GTK_CLIST_ROW (a), GTK_CLIST_ROW (b)); if ((cmp >= 0 && clist->sort_type == GTK_SORT_DESCENDING) || (cmp <= 0 && clist->sort_type == GTK_SORT_ASCENDING) || (a && !b)) { c->next = a; a->prev = c; c = a; a = a->next; } else { c->next = b; b->prev = c; c = b; b = b->next; } } } return z.next; } static GList * gtk_clist_mergesort (GtkCList *clist, GList *list, /* the list to sort */ gint num) /* the list's length */ { GList *half; gint i; if (num == 1) { return list; } else { /* move "half" to the middle */ half = list; for (i = 0; i < num / 2; i++) half = half->next; /* cut the list in two */ half->prev->next = NULL; half->prev = NULL; /* recursively sort both lists */ return gtk_clist_merge (clist, gtk_clist_mergesort (clist, list, num / 2), gtk_clist_mergesort (clist, half, num - num / 2)); } } void gtk_clist_sort (GtkCList *clist) { g_return_if_fail (clist != NULL); g_return_if_fail (GTK_IS_CLIST (clist)); GTK_CLIST_CLASS_FW (clist)->sort_list (clist); } static void real_sort_list (GtkCList *clist) { GList *list; GList *work; gint i; gboolean thaw = FALSE; g_return_if_fail (clist != NULL); g_return_if_fail (GTK_IS_CLIST (clist)); if (clist->rows <= 1) return; if (gdk_pointer_is_grabbed () && GTK_WIDGET_HAS_GRAB (clist)) return; if (clist->anchor != -1 && clist->selection_mode == GTK_SELECTION_EXTENDED) { GTK_CLIST_CLASS_FW (clist)->resync_selection (clist, NULL); g_list_free (clist->undo_selection); g_list_free (clist->undo_unselection); clist->undo_selection = NULL; clist->undo_unselection = NULL; } if (!GTK_CLIST_FROZEN (clist)) { gtk_clist_freeze (clist); thaw = TRUE; } clist->row_list = gtk_clist_mergesort (clist, clist->row_list, clist->rows); work = clist->selection; for (i = 0, list = clist->row_list; i < clist->rows; i++, list = list->next) { if (GTK_CLIST_ROW (list)->state == GTK_STATE_SELECTED) { work->data = GINT_TO_POINTER (i); work = work->next; } if (i == clist->rows - 1) clist->row_list_end = list; } if (thaw) gtk_clist_thaw (clist); }