window.c

一个简单的文本编辑器

	bg->red = settings->bg[0];
	bg->green = settings->bg[1];
	bg->blue = settings->bg[2];

	fg = &style->text[0];
	fg->red = settings->fg[0];
	fg->green = settings->fg[1];
	fg->blue = settings->fg[2];

	for (n = 0; n < g_list_length (mdi->children); n++)
	{
		nth_doc = GEDIT_DOCUMENT (g_list_nth_data (mdi->children, n));
		for (m = 0; m < g_list_length (nth_doc->views); m++)
		{
			mth_view = GEDIT_VIEW (g_list_nth_data (nth_doc->views, m));
			if (tab_size_changed)
				gedit_view_set_tab_size (mth_view, settings->tab_size);
			if (mdi_mode_changed)
			{
				gtk_widget_grab_focus (GTK_WIDGET (mth_view->text));
				mth_view->app = gedit_window_active_app();
				gedit_view_load_widgets (mth_view);
			}
			gedit_view_set_undo (mth_view, GEDIT_UNDO_STATE_REFRESH, GEDIT_UNDO_STATE_REFRESH);
			gtk_widget_set_style (GTK_WIDGET (mth_view->text),
					      style);
			gedit_view_set_font (mth_view, settings->font);
		}
	}
	
}


void
gedit_window_set_widgets_sensitivity_ro (GnomeApp *app, gint unsensitive)
{
	GnomeUIInfo *ui_info;
	GnomeUIInfo *sub_ui_info;
	GtkWidget *widget;
	gint count, sub_count;
	
	PluginData  *pd;
	GnomeDockItem *dock_item;
	GtkWidget *menu_bar;

	GList* children;
	gchar* path;
	gint menu_pos;

	gedit_debug (DEBUG_WINDOW, "");

	g_return_if_fail (GNOME_IS_APP (app));
	
	ui_info = gnome_mdi_get_toolbar_info (app);

	g_return_if_fail (ui_info != NULL);

	/* Set the toolbar tems */
	count = 0;
	while (ui_info[count].type != GNOME_APP_UI_ENDOFINFO)
	{
		if (ui_info [count].moreinfo == file_save_cb    ||
		    ui_info [count].moreinfo == edit_cut_cb     ||
		    ui_info [count].moreinfo == edit_paste_cb	||
		    ui_info [count].moreinfo == gedit_replace_cb)
		{
			widget =  ui_info [count].widget;
			if (GTK_IS_WIDGET (widget))
				gtk_widget_set_sensitive (widget, !unsensitive);
		}
		count++;
	}

	/* get the UI_info structures */
	ui_info = gnome_mdi_get_menubar_info (app);

	/* Set the menus and submenus */
	count = 0;
	while (ui_info[count].type != GNOME_APP_UI_ENDOFINFO)
	{
		if (ui_info[count].type == GNOME_APP_UI_SUBTREE_STOCK ||
		    ui_info[count].type == GNOME_APP_UI_SUBTREE)
		{
			sub_count = 0;
			sub_ui_info = ui_info [count].moreinfo;
			while (sub_ui_info[sub_count].type != GNOME_APP_UI_ENDOFINFO)
			{
				if (sub_ui_info [sub_count].moreinfo == file_save_cb    ||
				    sub_ui_info [sub_count].moreinfo == edit_cut_cb     ||
				    sub_ui_info [sub_count].moreinfo == edit_paste_cb   ||
				    sub_ui_info [sub_count].moreinfo == gedit_replace_cb)
				{
					widget =  sub_ui_info [sub_count].widget;
					if (GTK_IS_WIDGET (widget))
						gtk_widget_set_sensitive (widget, !unsensitive);
				}

				if (sub_ui_info [sub_count].moreinfo == file_revert_cb)
				{
					/* We need to check if there are more than 2 views opened */
					/* The only info we have is *app, and we can't use view_active. */
					GeditDocument *doc;
					doc = gedit_document_current();

					widget =  sub_ui_info [sub_count].widget;
					if (GTK_IS_WIDGET (widget) && doc != NULL)
						gtk_widget_set_sensitive (widget, (doc->filename!=NULL) && !unsensitive);
				}

				sub_count++;

			}

		}
		count++;
	}

	
	/* Set popup menu sensitivity*/
	count = 0;
	while (popup_menu[count].type != GNOME_APP_UI_ENDOFINFO)
	{
		if (popup_menu [count].moreinfo == file_save_cb    ||
		    popup_menu [count].moreinfo == edit_cut_cb     ||
		    popup_menu [count].moreinfo == edit_paste_cb   ||
		    popup_menu [count].moreinfo == gedit_replace_cb)
		{
			widget =  popup_menu [count].widget;
	
			if ((widget != NULL) && GTK_IS_WIDGET (widget) /*&& (GTK_OBJECT(widget)->ref_count > 0)*/)
			{
				gtk_widget_set_sensitive (widget, !unsensitive);			
		/*		g_print("%d %s\n", count, !unsensitive ? "sensitive" : "not sensitive");*/
			}
		}
		
		count++;
	}
	
	/* Set plugins menu sensitivity*/
	dock_item = gnome_app_get_dock_item_by_name (app, GNOME_APP_MENUBAR_NAME);	
	g_return_if_fail (GNOME_IS_DOCK_ITEM (dock_item));
	
	menu_bar = gnome_dock_item_get_child (dock_item);
			
	for (count = 0; count < g_list_length (plugins_list); count++)
	{
		pd = g_list_nth_data (plugins_list, count);

		if (pd->installed && pd->needs_a_document)
		{			       
			path = g_strdup_printf ("%s/%s", _("_Plugins"), pd->name);
			
			children = gtk_container_children (GTK_CONTAINER ( 
				gnome_app_find_menu_pos (menu_bar, path, &menu_pos)));
	
			widget = GTK_WIDGET (g_list_nth_data (children, menu_pos - 1));

			if (GTK_IS_WIDGET (widget))
			{
				if(pd->modifies_an_existing_doc)
				{
					gtk_widget_set_sensitive (widget, !unsensitive);
				}
				else
				{
					gtk_widget_set_sensitive (widget, TRUE);
				}
			}

			g_free (path);
		}
	}
	
	return;
	
}

/**
 * gedit_window_set_widgets_sensitivity:
 * @sensitive: 
 *
 * for sensitive = FALSE
 * this rutine is called when a document is closed and it there aren't any documents
 * opened it sets the menu items and toolbar items sensitivity.
 *
 * for sensitive = TRUE
 * is called whenever a new document is created, and will set menu/toolbar items
 * sensitivity to SENSITIVE
 *
 **/
void
gedit_window_set_widgets_sensitivity (gint sensitive)
{
	GnomeApp *app = NULL;
	GnomeUIInfo *ui_info;
	GnomeUIInfo *sub_ui_info;
	GtkWidget *widget;
		
	gint count = 0, sub_count = 0;
	
	gedit_debug (DEBUG_WINDOW, "");

	if (!sensitive && g_list_length (mdi->children) > 0)
		return;
	if (sensitive && g_list_length (mdi->children) == 0)
		return;

	app = GNOME_APP (g_list_nth_data (mdi->windows, 0));

	g_return_if_fail (GNOME_IS_APP (app));

	/* get the UI_info structures */
	ui_info = gnome_mdi_get_toolbar_info (app);

	g_return_if_fail (ui_info != NULL);

	/* Set the toolbar tems */
	while (ui_info[count].type != GNOME_APP_UI_ENDOFINFO)
	{
		if (ui_info [count].moreinfo == file_save_as_cb ||
		    ui_info [count].moreinfo == file_close_cb   ||
		    ui_info [count].moreinfo == gedit_print_cb   ||
		    ui_info [count].moreinfo == file_save_cb    ||
		    (ui_info [count].moreinfo == gedit_undo_undo && !sensitive)||
		    (ui_info [count].moreinfo == gedit_undo_redo && !sensitive) ||
		    ui_info [count].moreinfo == edit_cut_cb     ||
		    ui_info [count].moreinfo == edit_copy_cb    ||
		    ui_info [count].moreinfo == edit_paste_cb   ||
		    ui_info [count].moreinfo == gedit_find_cb   ||
		    ui_info [count].moreinfo == gedit_file_info_cb  )
		{
			widget =  ui_info [count].widget;
			if (GTK_IS_WIDGET (widget))
				gtk_widget_set_sensitive (widget, sensitive);
		}
		count++;
	}


	ui_info = gnome_mdi_get_menubar_info (app);
	
	g_return_if_fail (ui_info != NULL);

	/* Set the menus and submenus */
	count = 0;
	while (ui_info[count].type != GNOME_APP_UI_ENDOFINFO)
	{
		if (ui_info[count].type == GNOME_APP_UI_SUBTREE_STOCK ||
		    ui_info[count].type == GNOME_APP_UI_SUBTREE)
		{
			sub_count = 0;
			sub_ui_info = ui_info [count].moreinfo;
			while (sub_ui_info[sub_count].type != GNOME_APP_UI_ENDOFINFO)
			{
				if (sub_ui_info [sub_count].moreinfo == file_save_as_cb ||
				    sub_ui_info [sub_count].moreinfo == file_save_cb    ||
				    sub_ui_info [sub_count].moreinfo == file_save_all_cb   ||
				    sub_ui_info [sub_count].moreinfo == file_close_cb   ||
				    sub_ui_info [sub_count].moreinfo == file_close_all_cb   ||
				    sub_ui_info [sub_count].moreinfo == file_revert_cb  ||
				    sub_ui_info [sub_count].moreinfo == gedit_print_cb   ||
				    sub_ui_info [sub_count].moreinfo == gedit_print_preview_cb   ||
				    (sub_ui_info [sub_count].moreinfo == gedit_undo_undo && !sensitive)||
				    (sub_ui_info [sub_count].moreinfo == gedit_undo_redo && !sensitive)||
				    sub_ui_info [sub_count].moreinfo == edit_cut_cb     ||
				    sub_ui_info [sub_count].moreinfo == edit_copy_cb    ||
				    sub_ui_info [sub_count].moreinfo == edit_paste_cb   ||
				    sub_ui_info [sub_count].moreinfo == gedit_find_cb    ||
				    sub_ui_info [sub_count].moreinfo == edit_select_all_cb ||
				    sub_ui_info [sub_count].moreinfo == gedit_find_again_cb ||
				    sub_ui_info [sub_count].moreinfo == gedit_replace_cb ||
				    sub_ui_info [sub_count].moreinfo == gedit_goto_line_cb ||
				    sub_ui_info [sub_count].moreinfo == gedit_view_add_cb||
				    sub_ui_info [sub_count].moreinfo == gedit_view_remove_cb ||
				    sub_ui_info [sub_count].moreinfo == gedit_file_info_cb  )
				{
					widget =  sub_ui_info [sub_count].widget;
					if (GTK_IS_WIDGET (widget))
						gtk_widget_set_sensitive (widget, sensitive);
				}
				sub_count++;
			}
		}
		count++;
	}

	if (sensitive)
		gedit_window_set_view_menu_sensitivity (app);

	gedit_window_set_plugins_menu_sensitivity (sensitive);

	return;
}

/**
 * gedit_window_set_plugins_menu_sensitivity:
 * @sensitive: 
 *
 * Set plugins menu sensitivity
 **/
void
gedit_window_set_plugins_menu_sensitivity (gint sensitive)
{
	GnomeApp *app;
	PluginData  *pd;
	GnomeDockItem *dock_item;
	GtkWidget *menu_bar, *widget;
	gint count;

	GList* children;
	gchar* path;
	gint menu_pos;
	
	app = GNOME_APP (g_list_nth_data (mdi->windows, 0));
	g_return_if_fail (GNOME_IS_APP (app));

	dock_item = gnome_app_get_dock_item_by_name (app, GNOME_APP_MENUBAR_NAME);	
	g_return_if_fail (GNOME_IS_DOCK_ITEM (dock_item));
	
	menu_bar = gnome_dock_item_get_child (dock_item);
			
	for (count = 0; count < g_list_length (plugins_list); count++)
	{
		pd = g_list_nth_data (plugins_list, count);

		if (pd->installed && pd->needs_a_document)
		{			       
			path = g_strdup_printf ("%s/%s", _("_Plugins"), pd->name);
			
			children = gtk_container_children (GTK_CONTAINER ( 
				gnome_app_find_menu_pos (menu_bar, path, &menu_pos)));
	
			widget = GTK_WIDGET (g_list_nth_data (children, menu_pos - 1));

			if (GTK_IS_WIDGET (widget))
				gtk_widget_set_sensitive (widget, sensitive);

			g_free (path);
		}
	}
	
	return;
			
}