/* ---------------------------------------------------------------------- Copyright (C) 1998 Cesar Miquel (miquel@df.uba.ar) This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program 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 General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. ---------------------------------------------------------------------- */ #include #include #include #include "gtk/gtk.h" #include "logview.h" #define CALENDAR_WIDTH 180 #define CALENDAR_HEIGHT 150 #define SUNDAY 0 #define MONDAY 1 #define FRIDAY 5 #define SATURDAY 6 #define FEBRUARY 1 #define XSEP 3 #define CALLEFTMARGIN 5 #define BASELINESKIP 4 #define THISMONTH 1 #define OTHERMONTH 2 #define MARKEDDATE 3 /* * -------- * Typedefs * -------- */ /* * ------------------- * Function Prototypes * ------------------- */ void CalendarMenu (GtkWidget * widget, gpointer user_data); void close_calendar (GtkWidget * widget, gpointer client_data); void set_scrollbar_size (int num_lines); void calendar_month_changed (GtkWidget *widget, gpointer data); void read_marked_dates (CalendarData *data); void calendar_month_changed (GtkWidget *widget, gpointer data); void calendar_day_selected (GtkWidget *widget, gpointer unused_data); void calendar_day_selected_double_click (GtkWidget *widget, gpointer data); CalendarData* init_calendar_data (); DateMark* find_prev_mark (CalendarData*); DateMark* find_next_mark (CalendarData*); DateMark* get_mark_from_month (CalendarData *data, gint month, gint year); DateMark *get_mark_from_date (CalendarData *, gint, gint, gint); GtkWidget *new_pixmap_from_data(char **xpm_data, GdkWindow *w, GdkColor *b); void log_repaint (GtkWidget * canvas, GdkRectangle * area); /* * ---------------- * Global variables * ---------------- */ extern ConfigData *cfg; extern GdkGC *gc; extern Log *curlog, *loglist[]; extern int numlogs, curlognum; extern char *month[12]; extern GtkWidget *main_win_scrollbar; GtkWidget *CalendarDialog = NULL; GtkWidget *CalendarWidget; int calendarvisible; /* ---------------------------------------------------------------------- NAME: CalendarMenu DESCRIPTION: Display the calendar. ---------------------------------------------------------------------- */ void CalendarMenu (GtkWidget * widget, gpointer user_data) { GtkCalendar *calendar; GtkWidget *frame; GtkWidget *vbox; if (curlog == NULL || calendarvisible) return; if (CalendarDialog == NULL) { CalendarDialog = gtk_window_new (GTK_WINDOW_TOPLEVEL); gtk_container_set_border_width (GTK_CONTAINER (CalendarDialog), 1); gtk_window_set_title (GTK_WINDOW (CalendarDialog), _("Calendar")); gtk_signal_connect (GTK_OBJECT (CalendarDialog), "destroy", GTK_SIGNAL_FUNC (close_calendar), &CalendarDialog); gtk_signal_connect (GTK_OBJECT (CalendarDialog), "delete_event", GTK_SIGNAL_FUNC (close_calendar), NULL); gtk_widget_set_style (CalendarDialog, cfg->main_style); vbox = gtk_vbox_new (FALSE, 2); gtk_container_set_border_width (GTK_CONTAINER (vbox), 4); gtk_container_add (GTK_CONTAINER (CalendarDialog), vbox); gtk_widget_show (vbox); frame = gtk_frame_new (NULL); gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_ETCHED_IN); gtk_container_set_border_width (GTK_CONTAINER (frame), 3); gtk_box_pack_start (GTK_BOX (vbox), frame, TRUE, TRUE, 0); gtk_widget_set_style (frame, cfg->main_style); gtk_widget_show (frame); calendar = (GtkCalendar *)gtk_calendar_new(); gtk_signal_connect (GTK_OBJECT (calendar), "month_changed", GTK_SIGNAL_FUNC (calendar_month_changed), NULL); gtk_signal_connect (GTK_OBJECT (calendar), "day_selected", GTK_SIGNAL_FUNC (calendar_day_selected), NULL); gtk_signal_connect (GTK_OBJECT (calendar), "day_selected_double_click", GTK_SIGNAL_FUNC (calendar_day_selected_double_click), NULL); gtk_container_add (GTK_CONTAINER (frame), GTK_WIDGET (calendar)); gtk_widget_show (GTK_WIDGET (calendar)); CalendarWidget = GTK_WIDGET (calendar); } calendarvisible = TRUE; init_calendar_data (); gtk_widget_show (CalendarDialog); } /* ---------------------------------------------------------------------- NAME: new_pixmap_from_data DESCRIPTION: ---------------------------------------------------------------------- */ GtkWidget * new_pixmap_from_data (char **xpm_data, GdkWindow *window, GdkColor *background) { GtkWidget *wpixmap; GdkPixmap *pixmap; GdkBitmap *mask; pixmap = gdk_pixmap_create_from_xpm_d (window, &mask, background, xpm_data); wpixmap = gtk_pixmap_new (pixmap, mask); return wpixmap; } /* ---------------------------------------------------------------------- NAME: read_marked_dates DESCRIPTION: Reads all the marked dates for this month and marks them in the calendar widget. ---------------------------------------------------------------------- */ void read_marked_dates (CalendarData *data) { GtkCalendar *calendar; DateMark *mark; gint day, month, year; g_return_if_fail (data); calendar = GTK_CALENDAR (CalendarWidget); g_return_if_fail (calendar); gtk_calendar_clear_marks (calendar); gtk_calendar_get_date (calendar, &year, &month, &day); year -= 1900; /* find the current month and year (if there is one) */ mark = data->curmonthmark; while (mark) { if (mark->fulldate.tm_mon != month || mark->fulldate.tm_year != year) break; gtk_calendar_mark_day (calendar, mark->fulldate.tm_mday); mark = mark->next; } return; } /* ---------------------------------------------------------------------- NAME: init_calendar_data DESCRIPTION: Sets up calendar data asociated with this log. ---------------------------------------------------------------------- */ CalendarData* init_calendar_data () { CalendarData *data; data = curlog->caldata; if (data == NULL) data = (CalendarData*) malloc (sizeof (CalendarData)); if (data) { data->curmonthmark = curlog->lstats.firstmark; curlog->caldata = data; #if 0 /* Move mark to first marked date in this month */ data->curmonthmark = get_mark_from_month (data, curlog->curmark->fulldate.tm_mon, curlog->curmark->fulldate.tm_year); #endif /* signal a redraw event */ gtk_signal_emit_by_name (GTK_OBJECT (CalendarWidget), "month_changed"); } return data; } /* ---------------------------------------------------------------------- NAME: calendar_month_changed DESCRIPTION: User changed the month in the calendar. ---------------------------------------------------------------------- */ void calendar_month_changed (GtkWidget *widget, gpointer unused_data) { GtkCalendar *calendar; CalendarData *data; DateMark *mark; gint day, month, year; calendar = GTK_CALENDAR (CalendarWidget); g_return_if_fail (calendar); data = curlog->caldata; g_return_if_fail (data); /* Get current date */ gtk_calendar_get_date (calendar, &year, &month, &day); /* This is Y2K compatible but internally we keep track of years starting from 1900. This is because of Unix and not because I like it!! */ year -= 1900; mark = get_mark_from_month (data, month, year); if (mark) data->curmonthmark = mark; read_marked_dates (data); } /* ---------------------------------------------------------------------- NAME: calendar_day_selected DESCRIPTION: User clicked on a calendar entry ---------------------------------------------------------------------- */ void calendar_day_selected (GtkWidget *widget, gpointer unused_data) { GtkCalendar *calendar; CalendarData *data; gint day, month, year; calendar = GTK_CALENDAR (CalendarWidget); gtk_calendar_get_date (calendar, &year, &month, &day); /* This is Y2K compatible but internally we keep track of years starting from 1900. This is because of Unix and not because I like it!! */ year -= 1900; g_return_if_fail (calendar); data = curlog->caldata; g_return_if_fail (data); /* TODO This is an ugly HACK until I add this function into the widget!!!!!! */ /* Dates go from 0-30 in this array!!! I really need to add the function gtk_calendar_day_marked (day) */ if (calendar->marked_date[day-1]) { curlog->curmark = get_mark_from_date (data, day, month, year); MoveToMark (curlog); curlog->firstline = 0; curlog->ln = curlog->curmark->ln; gtk_adjustment_set_value ( GTK_RANGE(main_win_scrollbar)->adjustment, curlog->ln); /* set_scrollbar_size (curlog->lstats.numlines); */ log_repaint(NULL, NULL); } } /* ---------------------------------------------------------------------- NAME: calendar_day_selected DESCRIPTION: User clicked on a calendar entry ---------------------------------------------------------------------- */ void calendar_day_selected_double_click (GtkWidget *widget, gpointer data) { calendar_day_selected(widget, data); } /* ---------------------------------------------------------------------- NAME: close_calendar DESCRIPTION: Callback called when the log info window is closed. ---------------------------------------------------------------------- */ void close_calendar (GtkWidget * widget, gpointer client_data) { if (calendarvisible) gtk_widget_hide (CalendarDialog); CalendarDialog = NULL; calendarvisible = FALSE; } /* ---------------------------------------------------------------------- NAME: get_mark_from_month DESCRIPTION: Move curmonthmark to current month if there is a log entry that month. ---------------------------------------------------------------------- */ DateMark * get_mark_from_date (CalendarData *data, gint day, gint month, gint year) { DateMark *mark; g_return_val_if_fail (data, NULL); mark = get_mark_from_month (data, month, year); while (mark) { if (mark->fulldate.tm_mday == day) return mark; mark = mark->next; } return mark; } /* ---------------------------------------------------------------------- NAME: get_mark_from_month DESCRIPTION: Move curmonthmark to current month if there is a log entry that month. ---------------------------------------------------------------------- */ DateMark * get_mark_from_month (CalendarData *data, gint month, gint year) { DateMark *mark = data->curmonthmark; if (mark == NULL) return mark; /* Are we on top of the mark: return if so */ if (month == mark->fulldate.tm_mon && year == mark->fulldate.tm_year) return mark; /* Check if we are on the next or previous mark */ if (year > mark->fulldate.tm_year) mark = find_next_mark (data); else if (year < mark->fulldate.tm_year) mark = find_prev_mark (data); else if (year == mark->fulldate.tm_year) { if (month > mark->fulldate.tm_mon) mark = find_next_mark (data); else mark = find_prev_mark (data); } if (mark == NULL) return NULL; if (month == mark->fulldate.tm_mon && year == mark->fulldate.tm_year) return mark; return NULL; } /* ---------------------------------------------------------------------- NAME: find_prev_mark DESCRIPTION: Returns the previous mark with a different month. ---------------------------------------------------------------------- */ DateMark * find_prev_mark (CalendarData *data) { DateMark *mark = data->curmonthmark; if (mark->prev == NULL) return NULL; mark = mark->prev; while (TRUE) { if (mark->prev == NULL) break; mark = mark->prev; if (mark->fulldate.tm_mon != mark->next->fulldate.tm_mon || mark->fulldate.tm_year != mark->next->fulldate.tm_year) { mark = mark->next; break; } } return mark; } /* ---------------------------------------------------------------------- NAME: find_next_mark DESCRIPTION: Returns the next mark with a different month. ---------------------------------------------------------------------- */ DateMark * find_next_mark (CalendarData *data) { DateMark *mark = data->curmonthmark; while (TRUE) { if (mark->next == NULL) return NULL; mark = mark->next; if (mark->fulldate.tm_mon != mark->prev->fulldate.tm_mon || mark->fulldate.tm_year != mark->prev->fulldate.tm_year) break; } return mark; }