#ifndef lint
#ifdef sccs
static char     sccsid[] = "@(#)txt_load.c 1.37 93/06/28";
#endif
#endif

/*
 *	(c) Copyright 1989 Sun Microsystems, Inc. Sun design patents 
 *	pending in the U.S. and foreign countries. See LEGAL NOTICE 
 *	file for terms of the license.
 */

/*
 * Text load popup frame creation and support.
 */

#include <xview_private/primal.h>
#include <xview_private/txt_impl.h>
#include <xview_private/ev_impl.h>
#include <sys/time.h>
#include <signal.h>
#include <xview/notice.h>
#include <xview/frame.h>
#include <xview/panel.h>
#include <xview/textsw.h>
#include <xview/openmenu.h>
#include <xview/wmgr.h>
#include <xview/pixwin.h>
#include <xview/win_struct.h>
#include <xview/win_screen.h>
#include <xview/file_chsr.h>

#ifdef SVR4
#include <string.h>
#endif /* SVR4 */
 
#define		MAX_DISPLAY_LENGTH	50
#define   	MAX_STR_LENGTH		1024

#define HELP_INFO(s) XV_HELP_DATA, s,

typedef enum {
    FILE_CMD_ITEM = 0,
    DIR_STRING_ITEM = 1,
    FILE_STRING_ITEM = 2,
}               File_panel_item_enum;

Pkg_private Panel_item load_panel_items[];

Pkg_private Textsw_view_handle text_view_frm_p_itm();
Pkg_private Xv_Window frame_from_panel_item();


static int
do_load_proc(folio, ie)
    Textsw_folio    folio;
    Event          *ie;
{
    Textsw          textsw = FOLIO_REP_TO_ABS(folio);
    CHAR           *dir_str, *file_str;
    int             result;
    register int    locx, locy;
    Frame           popup_frame;
    Frame           frame;
    Xv_Notice	    text_notice;
    char            curr_dir[MAX_STR_LENGTH];
#ifdef OW_I18N
    CHAR            curr_dir_ws[MAX_STR_LENGTH];
#endif


    if (textsw_has_been_modified(textsw)) {
	frame = FRAME_FROM_FOLIO_OR_VIEW(folio);
        text_notice = (Xv_Notice)xv_get(frame, 
                                XV_KEY_DATA, text_notice_key, 
				NULL);
        if (!text_notice)  {
            text_notice = xv_create(frame, NOTICE,
                        NOTICE_LOCK_SCREEN, FALSE,
			NOTICE_BLOCK_THREAD, TRUE,
                        NOTICE_MESSAGE_STRINGS,
			XV_MSG("The text has been edited.\n\
Load File will discard these edits. Please confirm."),
                        0,
			NOTICE_BUTTON_YES, 
				XV_MSG("Confirm, discard edits"),
			NOTICE_BUTTON_NO, XV_MSG("Cancel"),
			NOTICE_STATUS, &result,
                        XV_SHOW, TRUE,
                        0);

            xv_set(frame, 
                XV_KEY_DATA, text_notice_key, text_notice,
                NULL);
        }
        else  {
            xv_set(text_notice, 
                NOTICE_LOCK_SCREEN, FALSE,
		NOTICE_BLOCK_THREAD, TRUE,
                NOTICE_MESSAGE_STRINGS,
		XV_MSG("The text has been edited.\n\
Load File will discard these edits. Please confirm."),
                0,
		NOTICE_BUTTON_YES, 
			XV_MSG("Confirm, discard edits"),
		NOTICE_BUTTON_NO, XV_MSG("Cancel"),
		NOTICE_STATUS, &result,
                XV_SHOW, TRUE, 
                NULL);
        }

	if (result == NOTICE_NO || result == NOTICE_FAILED)
	    return TRUE;
    }
#ifdef OW_I18N
    dir_str = (CHAR *) xv_get(load_panel_items[(int) DIR_STRING_ITEM],
			      PANEL_VALUE_WCS);
    file_str = (CHAR *) xv_get(load_panel_items[(int) FILE_STRING_ITEM],
			       PANEL_VALUE_WCS);
#else
    dir_str = (char *) xv_get(load_panel_items[(int) DIR_STRING_ITEM],
			      PANEL_VALUE);
    file_str = (char *) xv_get(load_panel_items[(int) FILE_STRING_ITEM],
			       PANEL_VALUE);
#endif
    if AN_ERROR
        (ie == 0)
            locx = locy = 0;
    else {
        locx = ie->ie_locx;
        locy = ie->ie_locy;
    }

#ifdef OW_I18N
    if (textsw_expand_filename(folio, dir_str, MAX_STR_LENGTH, locx, locy)) {
	/* error handled inside routine */
	return TRUE;
    }
    if (textsw_expand_filename(folio, file_str, MAX_STR_LENGTH, locx, locy)) {
	/* error handled inside routine */
	return TRUE;
    }
#else
    if (textsw_expand_filename(folio, dir_str, locx, locy)) {
	/* error handled inside routine */
	return TRUE;
    }
    if (textsw_expand_filename(folio, file_str, locx, locy)) {
	/* error handled inside routine */
	return TRUE;
    }
#endif

    /* if "cd" is not disabled */
    (void) getcwd(curr_dir, MAX_STR_LENGTH);
#ifdef OW_I18N
    (void) mbstowcs(curr_dir_ws, curr_dir, MAX_STR_LENGTH);
    if (STRCMP(curr_dir_ws, dir_str) != 0) {	/* } for match */
#else
    if (strcmp(curr_dir, dir_str) != 0) {
#endif
	if (!(folio->state & TXTSW_NO_CD)) {
	    if (textsw_change_directory(folio, dir_str, FALSE, locx, locy) != 0) {
		/* error or directory does not exist */
		return TRUE;
	    }
	} else {
	    frame = FRAME_FROM_FOLIO_OR_VIEW(folio);

            text_notice = (Xv_Notice)xv_get(frame, 
                                    XV_KEY_DATA, text_notice_key, 
                                    NULL);

	    if (!text_notice)  {
	        text_notice = xv_create(frame, NOTICE,
		            NOTICE_LOCK_SCREEN, FALSE,
			    NOTICE_BLOCK_THREAD, TRUE,
		            NOTICE_MESSAGE_STRINGS,
			    XV_MSG("Cannot change directory.\n\
Change Directory Has Been Disabled."),
		                0,
		            NOTICE_BUTTON_YES, 
				XV_MSG("Continue"),
		            XV_SHOW, TRUE,
		            0);

		xv_set(frame, 
		        XV_KEY_DATA, text_notice_key, text_notice,
		        NULL);
	    }
	    else  {
	        xv_set(text_notice, 
		        NOTICE_LOCK_SCREEN, FALSE,
			NOTICE_BLOCK_THREAD, TRUE,
		        NOTICE_MESSAGE_STRINGS,
			XV_MSG("Cannot change directory.\n\
Change Directory Has Been Disabled."),
		            0,
		        NOTICE_BUTTON_YES, XV_MSG("Continue"),
			XV_SHOW, TRUE, 
		        NULL);
	    }

	    return TRUE;
	}
    }
    if ((int)STRLEN(file_str) > 0) {
	result = textsw_load_file(textsw, file_str, TRUE, 0, 0);
	if (result == 0) {
	    (void) textsw_set_insert(folio, 0L);
	    popup_frame =
		frame_from_panel_item(load_panel_items[(int) FILE_CMD_ITEM]);
	    (void) xv_set(popup_frame, XV_SHOW, FALSE, 0);
	    return FALSE;
	}
	/* error */
	return TRUE;
    }

    text_notice = (Xv_Notice)xv_get(frame, 
                                XV_KEY_DATA, text_notice_key, 
                                NULL);

    if (!text_notice)  {
        text_notice = xv_create(frame, NOTICE,
                        NOTICE_LOCK_SCREEN, FALSE,
			NOTICE_BLOCK_THREAD, TRUE,
                        NOTICE_MESSAGE_STRINGS,
			XV_MSG("No file name was specified.\n\
Specify a file name to Load."),
                        0,
                        NOTICE_BUTTON_YES, XV_MSG("Continue"),
                        XV_SHOW, TRUE,
                        0);

        xv_set(frame, 
            XV_KEY_DATA, text_notice_key, text_notice,
            NULL);
    }
    else  {
        xv_set(text_notice, 
            NOTICE_LOCK_SCREEN, FALSE,
	    NOTICE_BLOCK_THREAD, TRUE,
            NOTICE_MESSAGE_STRINGS,
	    XV_MSG("No file name was specified.\n\
Specify a file name to Load."),
            0,
            NOTICE_BUTTON_YES, XV_MSG("Continue"),
            XV_SHOW, TRUE, 
            NULL);
    }
    /* if we made it here, there was an error or notice */
    return TRUE;
}

int
open_cmd_proc(fc, path,file,client_data)
    Frame             fc;
    CHAR             *path;
    CHAR             *file;
    Xv_opaque         client_data;
{

    Textsw_view_handle view  = (Textsw_view_handle)window_get(fc,WIN_CLIENT_DATA,0);
    Textsw_folio       folio = FOLIO_FOR_VIEW(view);
    int                error;
    Textsw          textsw = FOLIO_REP_TO_ABS(folio);
    CHAR           *dir_str;
    int             result;
    register int    locx, locy;
    Frame           frame;
    Xv_Notice       text_notice;
    char            curr_dir[MAX_STR_LENGTH];
#ifdef OW_I18N
    CHAR            curr_dir_ws[MAX_STR_LENGTH];
#endif


    if (textsw_has_been_modified(textsw)) {
        frame = FRAME_FROM_FOLIO_OR_VIEW(folio);
        text_notice = (Xv_Notice)xv_get(frame, 
                                XV_KEY_DATA, text_notice_key, 
                                NULL);
        if (!text_notice)  {
            text_notice = xv_create(frame, NOTICE,
                        NOTICE_LOCK_SCREEN, FALSE,
                        NOTICE_BLOCK_THREAD, TRUE,
                        NOTICE_MESSAGE_STRINGS,
                        XV_MSG("The text has been edited.\n\
Load File will discard these edits. Please confirm."),
                        0,
                        NOTICE_BUTTON_YES, 
                                XV_MSG("Confirm, discard edits"),
                        NOTICE_BUTTON_NO, XV_MSG("Cancel"),
                        NOTICE_STATUS, &result,
                        XV_SHOW, TRUE,
                        0);

            xv_set(frame, 
                XV_KEY_DATA, text_notice_key, text_notice,
                NULL);
        }
        else  {
            xv_set(text_notice, 
                NOTICE_LOCK_SCREEN, FALSE,
                NOTICE_BLOCK_THREAD, TRUE,
                NOTICE_MESSAGE_STRINGS,
                XV_MSG("The text has been edited.\n\
Load File will discard these edits. Please confirm."),
                0,
                NOTICE_BUTTON_YES, 
                        XV_MSG("Confirm, discard edits"),
                NOTICE_BUTTON_NO, XV_MSG("Cancel"),
                NOTICE_STATUS, &result,
                XV_SHOW, TRUE, 
                NULL);
        }

        if (result == NOTICE_NO || result == NOTICE_FAILED)
            return XV_OK;
    }
#ifdef OW_I18N
    dir_str = (CHAR *) xv_get(fc, FILE_CHOOSER_DIRECTORY_WCS);
#else
    dir_str = (char *) xv_get(fc, FILE_CHOOSER_DIRECTORY);
#endif
 
            locx = locy = 0;
#ifdef OW_I18N
    if (textsw_expand_filename(folio, dir_str, MAX_STR_LENGTH, locx, locy)) {
        /* error handled inside routine */
        return TRUE;
    }
    if (textsw_expand_filename(folio, file, MAX_STR_LENGTH, locx, locy)) {
        /* error handled inside routine */
        return TRUE;
    }
#else  
#endif 
 
    /* if "cd" is not disabled */
    (void) getcwd(curr_dir, MAX_STR_LENGTH);
#ifdef OW_I18N
    (void) mbstowcs(curr_dir_ws, curr_dir, MAX_STR_LENGTH);
    if (STRCMP(curr_dir_ws, dir_str) != 0) {    /* } for match */
#else
    if (strcmp(curr_dir, dir_str) != 0) {
#endif
        if (!(folio->state & TXTSW_NO_CD)) {
            if (textsw_change_directory(folio, dir_str, FALSE, locx, locy) != 0) {
                /* error or directory does not exist */
                return TRUE;
            }
        } else {
            frame = FRAME_FROM_FOLIO_OR_VIEW(folio);
 
            text_notice = (Xv_Notice)xv_get(frame,
                                    XV_KEY_DATA, text_notice_key,
                                    NULL);
 
            if (!text_notice)  {
                text_notice = xv_create(frame, NOTICE,
                            NOTICE_LOCK_SCREEN, FALSE,
                            NOTICE_BLOCK_THREAD, TRUE,
                            NOTICE_MESSAGE_STRINGS,
                            XV_MSG("Cannot change directory.\n\
Change Directory Has Been Disabled."),
                                0,   
                            NOTICE_BUTTON_YES,
                                XV_MSG("Continue"),
                            XV_SHOW, TRUE, 
                            0);

                xv_set(frame, 
                        XV_KEY_DATA, text_notice_key, text_notice,
                        NULL);
            }
            else  {
                xv_set(text_notice,
                        NOTICE_LOCK_SCREEN, FALSE,
                        NOTICE_BLOCK_THREAD, TRUE,
                        NOTICE_MESSAGE_STRINGS,
                        XV_MSG("Cannot change directory.\n\
Change Directory Has Been Disabled."),
                            0,
                        NOTICE_BUTTON_YES, XV_MSG("Continue"),
                        XV_SHOW, TRUE,     
                        NULL);
            }

            return TRUE; 
        }
    }    
    if ((int)STRLEN(file) > 0) {
        result = textsw_load_file(textsw, file, TRUE, 0, 0);
        if (result == 0) {
            (void) textsw_set_insert(folio, 0L);
            (void) xv_set(fc, XV_SHOW, FALSE, 0);
            return FALSE;
        }
        /* error */
        return TRUE;
    }
 
    text_notice = (Xv_Notice)xv_get(frame,
                                XV_KEY_DATA, text_notice_key,
                                NULL);
 
    if (!text_notice)  {
        text_notice = xv_create(frame, NOTICE,
                        NOTICE_LOCK_SCREEN, FALSE,
                        NOTICE_BLOCK_THREAD, TRUE,
                        NOTICE_MESSAGE_STRINGS,
                        XV_MSG("No file name was specified.\n\
Specify a file name to Load."),
                        0,
                        NOTICE_BUTTON_YES, XV_MSG("Continue"),
                        XV_SHOW, TRUE,
                        0);
 
        xv_set(frame,
            XV_KEY_DATA, text_notice_key, text_notice,
            NULL);
    }
    else  {
        xv_set(text_notice,
            NOTICE_LOCK_SCREEN, FALSE,
            NOTICE_BLOCK_THREAD, TRUE,
            NOTICE_MESSAGE_STRINGS,
            XV_MSG("No file name was specified.\n\
Specify a file name to Load."),
            0,
            NOTICE_BUTTON_YES, XV_MSG("Continue"),
            XV_SHOW, TRUE,
            NULL);
    }
    /* if we made it here, there was an error or notice */
    return TRUE;
}
   

int
save_cmd_proc(fc, path,exists)
    Frame             fc;
    CHAR             *path;
    int               exists;
{

   Textsw_view_handle view  = (Textsw_view_handle)window_get(fc,WIN_CLIENT_DATA,0);
   Textsw_folio folio = FOLIO_FROM_VIEW(view);
   int		confirm_state_changed = 0;

   xv_set(fc,
          FRAME_SHOW_FOOTER, TRUE,
	  FRAME_LEFT_FOOTER,"Saved",
	  NULL);

   if (folio->state & TXTSW_CONFIRM_OVERWRITE) {
	folio->state &= ~TXTSW_CONFIRM_OVERWRITE;
	confirm_state_changed = 1;
   }
#ifdef OW_I18N
   textsw_store_file_wcs(VIEW_REP_TO_ABS(view),path,0,0);
#else
   textsw_store_file(VIEW_REP_TO_ABS(view),path,0,0);
#endif
    if (confirm_state_changed)
	folio->state |= TXTSW_CONFIRM_OVERWRITE;
    return XV_OK;
}

static          Panel_setting
load_cmd_proc(item, event)
    Panel_item      item;
    Event          *event;
{
    Textsw_view_handle view = text_view_frm_p_itm(item);
    Textsw_folio    folio = FOLIO_FOR_VIEW(view);
    int             error;

    if (item == load_panel_items[(int) FILE_CMD_ITEM]) {
	error = do_load_proc(folio, event);
	if (error) {
	    xv_set(item, PANEL_NOTIFY_STATUS, XV_ERROR, 0);
	}
	return PANEL_NONE;
    }
    return PANEL_NEXT;
}

static          Panel_setting
load_cmd_proc_accel(item, event)
    Panel_item      item;
    Event          *event;
{
    Textsw_view_handle view = text_view_frm_p_itm(item);
    Textsw_folio    folio = FOLIO_FOR_VIEW(view);
    int             error;

    if (item == load_panel_items[(int) FILE_STRING_ITEM]) {
	error = do_load_proc(folio, event);
	if (error) {
	    xv_set(item, PANEL_NOTIFY_STATUS, XV_ERROR, 0);
	}
	return PANEL_NONE;
    }
    return PANEL_NEXT;
}

static void
create_load_items(panel, view)
    Panel           panel;
    Textsw_view_handle view;
{

    CHAR            load_string[MAX_STR_LENGTH];
    char            current_dir_load_string[MAX_STR_LENGTH];
    int             dummy;

    load_string[0] = NULL;
    (void) textsw_get_selection(view, &dummy, &dummy, load_string, MAX_STR_LENGTH);
 (void) getcwd(current_dir_load_string, MAX_STR_LENGTH); 
    load_panel_items[(int) DIR_STRING_ITEM] = panel_create_item(panel, PANEL_TEXT,
						 PANEL_LABEL_X, ATTR_COL(0),
						 PANEL_LABEL_Y, ATTR_ROW(0),
			     PANEL_VALUE_DISPLAY_LENGTH, MAX_DISPLAY_LENGTH,
				  PANEL_VALUE_STORED_LENGTH, MAX_STR_LENGTH,
				       PANEL_VALUE, current_dir_load_string,
					   PANEL_LABEL_STRING, 
					   XV_MSG("Directory:"),
					       HELP_INFO("textsw:dirstring")
								0);
    load_panel_items[(int) FILE_STRING_ITEM] = panel_create_item(panel, PANEL_TEXT,
						 PANEL_LABEL_X, ATTR_COL(5),
						 PANEL_LABEL_Y, ATTR_ROW(1),
			     PANEL_VALUE_DISPLAY_LENGTH, MAX_DISPLAY_LENGTH,
				  PANEL_VALUE_STORED_LENGTH, MAX_STR_LENGTH,
#ifdef OW_I18N
						   PANEL_VALUE_WCS, load_string,
#else
						   PANEL_VALUE, load_string,
#endif
						PANEL_LABEL_STRING, 
						XV_MSG("File:"),
					PANEL_NOTIFY_LEVEL, PANEL_SPECIFIED,
						PANEL_NOTIFY_STRING, "\n\r",
				     PANEL_NOTIFY_PROC, load_cmd_proc_accel,
					      HELP_INFO("textsw:loadstring")
								 0);
    xv_set(panel, PANEL_CARET_ITEM,
	   load_panel_items[(int) FILE_STRING_ITEM], 0);

    load_panel_items[(int) FILE_CMD_ITEM] = panel_create_item(panel,
							      PANEL_BUTTON,
						PANEL_LABEL_X, ATTR_COL(26),
						 PANEL_LABEL_Y, ATTR_ROW(2),
					      PANEL_LABEL_STRING, 
					      XV_MSG("Load File"),
					   PANEL_NOTIFY_PROC, load_cmd_proc,
						HELP_INFO("textsw:loadfile")
							      0);
    (void) xv_set(panel,
		  PANEL_DEFAULT_ITEM, load_panel_items[(int) FILE_CMD_ITEM],
		  0);
}

Pkg_private          Panel
textsw_create_load_panel(frame, view)
    Frame           frame;
    Textsw_view_handle view;
{
    Panel           panel;

    panel = (Panel) xv_get(frame, FRAME_CMD_PANEL,
			   HELP_INFO("textsw:loadpanel")
			   0);
    (void) create_load_items(panel, view);

    return (panel);
}