forked from AuroraMiddleware/gtk
343 lines
12 KiB
C
343 lines
12 KiB
C
/* Application main window
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*
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* Demonstrates a typical application window, with menubar, toolbar, statusbar.
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*/
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#include <gtk/gtk.h>
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static GtkWidget *window = NULL;
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static void
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menuitem_cb (gpointer callback_data,
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guint callback_action,
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GtkWidget *widget)
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{
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GtkWidget *dialog;
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dialog = gtk_message_dialog_new (GTK_WINDOW (callback_data),
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GTK_DIALOG_DESTROY_WITH_PARENT,
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GTK_MESSAGE_INFO,
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GTK_BUTTONS_CLOSE,
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"You selected or toggled the menu item: \"%s\"",
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gtk_item_factory_path_from_widget (widget));
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/* Close dialog on user response */
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g_signal_connect (G_OBJECT (dialog),
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"response",
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G_CALLBACK (gtk_widget_destroy),
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NULL);
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gtk_widget_show (dialog);
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}
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static GtkItemFactoryEntry menu_items[] =
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{
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{ "/_File", NULL, 0, 0, "<Branch>" },
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{ "/File/tearoff1", NULL, menuitem_cb, 0, "<Tearoff>" },
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{ "/File/_New", "<control>N", menuitem_cb, 0, "<StockItem>", GTK_STOCK_NEW },
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{ "/File/_Open", "<control>O", menuitem_cb, 0, "<StockItem>", GTK_STOCK_OPEN },
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{ "/File/_Save", "<control>S", menuitem_cb, 0, "<StockItem>", GTK_STOCK_SAVE },
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{ "/File/Save _As...", NULL, menuitem_cb, 0, "<StockItem>", GTK_STOCK_SAVE },
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{ "/File/sep1", NULL, menuitem_cb, 0, "<Separator>" },
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{ "/File/_Quit", "<control>Q", menuitem_cb, 0, "<StockItem>", GTK_STOCK_QUIT },
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{ "/_Preferences", NULL, 0, 0, "<Branch>" },
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{ "/_Preferences/_Color", NULL, 0, 0, "<Branch>" },
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{ "/_Preferences/Color/_Red", NULL, menuitem_cb, 0, "<RadioItem>" },
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{ "/_Preferences/Color/_Green", NULL, menuitem_cb, 0, "/Preferences/Color/Red" },
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{ "/_Preferences/Color/_Blue", NULL, menuitem_cb, 0, "/Preferences/Color/Red" },
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{ "/_Preferences/_Shape", NULL, 0, 0, "<Branch>" },
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{ "/_Preferences/Shape/_Square", NULL, menuitem_cb, 0, "<RadioItem>" },
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{ "/_Preferences/Shape/_Rectangle", NULL, menuitem_cb, 0, "/Preferences/Shape/Square" },
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{ "/_Preferences/Shape/_Oval", NULL, menuitem_cb, 0, "/Preferences/Shape/Rectangle" },
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{ "/_Help", NULL, 0, 0, "<LastBranch>" },
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{ "/Help/_About", NULL, menuitem_cb, 0 },
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};
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static void
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toolbar_cb (GtkWidget *button,
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gpointer data)
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{
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GtkWidget *dialog;
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dialog = gtk_message_dialog_new (GTK_WINDOW (data),
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GTK_DIALOG_DESTROY_WITH_PARENT,
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GTK_MESSAGE_INFO,
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GTK_BUTTONS_CLOSE,
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"You selected a toolbar button");
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/* Close dialog on user response */
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g_signal_connect (G_OBJECT (dialog),
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"response",
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G_CALLBACK (gtk_widget_destroy),
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NULL);
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gtk_widget_show (dialog);
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}
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/* This function registers our custom toolbar icons, so they can be themed.
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*
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* It's totally optional to do this, you could just manually insert icons
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* and have them not be themeable, especially if you never expect people
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* to theme your app.
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*/
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static void
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register_stock_icons (void)
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{
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static gboolean registered = FALSE;
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if (!registered)
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{
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GdkPixbuf *pixbuf;
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GtkIconFactory *factory;
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static GtkStockItem items[] = {
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{ "demo-gtk-logo",
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"_GTK!",
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0, 0, NULL }
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};
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registered = TRUE;
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/* Register our stock items */
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gtk_stock_add (items, G_N_ELEMENTS (items));
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/* Add our custom icon factory to the list of defaults */
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factory = gtk_icon_factory_new ();
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gtk_icon_factory_add_default (factory);
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/* Try current directory */
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pixbuf = gdk_pixbuf_new_from_file ("./gtk-logo-rgb.gif", NULL);
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/* Try install directory */
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if (pixbuf == NULL)
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pixbuf = gdk_pixbuf_new_from_file (DEMOCODEDIR"/gtk-logo-rgb.gif", NULL);
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/* Register icon to accompany stock item */
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if (pixbuf != NULL)
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{
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GtkIconSet *icon_set;
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GdkPixbuf *transparent;
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/* The gtk-logo-rgb icon has a white background, make it transparent */
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transparent = gdk_pixbuf_add_alpha (pixbuf, TRUE, 0xff, 0xff, 0xff);
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icon_set = gtk_icon_set_new_from_pixbuf (transparent);
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gtk_icon_factory_add (factory, "demo-gtk-logo", icon_set);
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gtk_icon_set_unref (icon_set);
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g_object_unref (G_OBJECT (pixbuf));
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g_object_unref (G_OBJECT (transparent));
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}
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else
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g_warning ("failed to load GTK logo for toolbar");
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/* Drop our reference to the factory, GTK will hold a reference. */
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g_object_unref (G_OBJECT (factory));
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}
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}
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static void
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update_statusbar (GtkTextBuffer *buffer,
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GtkStatusbar *statusbar)
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{
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gchar *msg;
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gint row, col;
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gint count;
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GtkTextIter iter;
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gtk_statusbar_pop (statusbar, 0); /* clear any previous message, underflow is allowed */
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count = gtk_text_buffer_get_char_count (buffer);
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gtk_text_buffer_get_iter_at_mark (buffer,
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&iter,
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gtk_text_buffer_get_insert (buffer));
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row = gtk_text_iter_get_line (&iter);
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col = gtk_text_iter_get_line_offset (&iter);
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msg = g_strdup_printf ("Cursor at row %d column %d - %d chars in document",
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row, col, count);
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gtk_statusbar_push (statusbar, 0, msg);
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g_free (msg);
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}
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static void
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mark_set_callback (GtkTextBuffer *buffer,
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const GtkTextIter *new_location,
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GtkTextMark *mark,
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gpointer data)
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{
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update_statusbar (buffer, GTK_STATUSBAR (data));
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}
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GtkWidget *
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do_appwindow (void)
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{
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if (!window)
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{
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GtkWidget *table;
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GtkWidget *toolbar;
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GtkWidget *statusbar;
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GtkWidget *contents;
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GtkWidget *sw;
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GtkTextBuffer *buffer;
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GtkAccelGroup *accel_group;
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GtkItemFactory *item_factory;
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register_stock_icons ();
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/* Create the toplevel window
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*/
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window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
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gtk_window_set_title (GTK_WINDOW (window), "Application Window");
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/* NULL window variable when window is closed */
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g_signal_connect (G_OBJECT (window), "destroy",
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G_CALLBACK (gtk_widget_destroyed),
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&window);
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table = gtk_table_new (1, 4, FALSE);
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gtk_container_add (GTK_CONTAINER (window), table);
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/* Create the menubar
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*/
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accel_group = gtk_accel_group_new ();
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gtk_accel_group_attach (accel_group, G_OBJECT (window));
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gtk_accel_group_unref (accel_group);
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item_factory = gtk_item_factory_new (GTK_TYPE_MENU_BAR, "<main>", accel_group);
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/* Set up item factory to go away with the window */
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gtk_object_ref (GTK_OBJECT (item_factory));
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gtk_object_sink (GTK_OBJECT (item_factory));
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g_object_set_data_full (G_OBJECT (window),
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"<main>",
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item_factory,
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(GDestroyNotify) g_object_unref);
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/* create menu items */
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gtk_item_factory_create_items (item_factory, G_N_ELEMENTS (menu_items),
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menu_items, window);
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gtk_table_attach (GTK_TABLE (table),
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gtk_item_factory_get_widget (item_factory, "<main>"),
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/* X direction */ /* Y direction */
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0, 1, 0, 1,
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GTK_EXPAND | GTK_FILL, 0,
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0, 0);
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/* Create the toolbar
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*/
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toolbar = gtk_toolbar_new ();
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gtk_toolbar_insert_stock (GTK_TOOLBAR (toolbar),
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GTK_STOCK_OPEN,
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"This is a demo button with an 'open' icon",
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NULL,
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G_CALLBACK (toolbar_cb),
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window, /* user data for callback */
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-1); /* -1 means "append" */
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gtk_toolbar_insert_stock (GTK_TOOLBAR (toolbar),
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GTK_STOCK_QUIT,
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"This is a demo button with a 'quit' icon",
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NULL,
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G_CALLBACK (toolbar_cb),
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window, /* user data for callback */
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-1); /* -1 means "append" */
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gtk_toolbar_append_space (GTK_TOOLBAR (toolbar));
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gtk_toolbar_insert_stock (GTK_TOOLBAR (toolbar),
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"demo-gtk-logo",
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"This is a demo button with a 'gtk' icon",
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NULL,
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G_CALLBACK (toolbar_cb),
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window, /* user data for callback */
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-1); /* -1 means "append" */
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gtk_table_attach (GTK_TABLE (table),
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toolbar,
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/* X direction */ /* Y direction */
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0, 1, 1, 2,
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GTK_EXPAND | GTK_FILL, 0,
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0, 0);
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/* Create document
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*/
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sw = gtk_scrolled_window_new (NULL, NULL);
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gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (sw),
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GTK_POLICY_AUTOMATIC,
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GTK_POLICY_AUTOMATIC);
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gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (sw),
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GTK_SHADOW_IN);
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gtk_table_attach (GTK_TABLE (table),
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sw,
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/* X direction */ /* Y direction */
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0, 1, 2, 3,
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GTK_EXPAND | GTK_FILL, GTK_EXPAND | GTK_FILL,
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0, 0);
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gtk_window_set_default_size (GTK_WINDOW (window),
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200, 200);
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contents = gtk_text_view_new ();
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gtk_container_add (GTK_CONTAINER (sw),
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contents);
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/* Create statusbar */
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statusbar = gtk_statusbar_new ();
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gtk_table_attach (GTK_TABLE (table),
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statusbar,
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/* X direction */ /* Y direction */
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0, 1, 3, 4,
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GTK_EXPAND | GTK_FILL, 0,
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0, 0);
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/* Show text widget info in the statusbar */
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buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (contents));
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g_signal_connect_object (buffer,
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"changed",
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G_CALLBACK (update_statusbar),
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statusbar,
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0);
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g_signal_connect_object (buffer,
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"mark_set", /* cursor moved */
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G_CALLBACK (mark_set_callback),
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statusbar,
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0);
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update_statusbar (buffer, GTK_STATUSBAR (statusbar));
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}
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if (!GTK_WIDGET_VISIBLE (window))
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{
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gtk_widget_show_all (window);
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}
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else
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{
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gtk_widget_destroy (window);
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window = NULL;
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}
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return window;
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}
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