wip example for plugin/gmenu interaction
This commit is contained in:
Matthias Clasen
committed by
Ryan Lortie
Ryan Lortie
parent
4877799145
commit
cc14811ec0
@ -53,6 +53,7 @@ noinst_PROGRAMS = \
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hello-world \
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window-default \
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bloatpad \
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plugman \
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grid-packing \
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drawing \
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builder
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433
examples/plugman.c
Normal file
433
examples/plugman.c
Normal file
@ -0,0 +1,433 @@
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#include <stdlib.h>
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#include <gtk/gtk.h>
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static void
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activate_toggle (GSimpleAction *action,
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GVariant *parameter,
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gpointer user_data)
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{
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GVariant *state;
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state = g_action_get_state (G_ACTION (action));
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g_action_change_state (G_ACTION (action), g_variant_new_boolean (!g_variant_get_boolean (state)));
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g_variant_unref (state);
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}
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static void
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change_fullscreen_state (GSimpleAction *action,
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GVariant *state,
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gpointer user_data)
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{
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if (g_variant_get_boolean (state))
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gtk_window_fullscreen (user_data);
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else
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gtk_window_unfullscreen (user_data);
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g_simple_action_set_state (action, state);
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}
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static GtkClipboard *
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get_clipboard (GtkWidget *widget)
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{
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return gtk_widget_get_clipboard (widget, gdk_atom_intern_static_string ("CLIPBOARD"));
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}
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static void
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window_copy (GSimpleAction *action,
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GVariant *parameter,
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gpointer user_data)
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{
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GtkWindow *window = GTK_WINDOW (user_data);
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GtkTextView *text = g_object_get_data ((GObject*)window, "plugman-text");
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gtk_text_buffer_copy_clipboard (gtk_text_view_get_buffer (text),
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get_clipboard ((GtkWidget*) text));
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}
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static void
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window_paste (GSimpleAction *action,
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GVariant *parameter,
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gpointer user_data)
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{
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GtkWindow *window = GTK_WINDOW (user_data);
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GtkTextView *text = g_object_get_data ((GObject*)window, "plugman-text");
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gtk_text_buffer_paste_clipboard (gtk_text_view_get_buffer (text),
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get_clipboard ((GtkWidget*) text),
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NULL,
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TRUE);
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}
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static GActionEntry win_entries[] = {
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{ "copy", window_copy, NULL, NULL, NULL },
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{ "paste", window_paste, NULL, NULL, NULL },
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{ "fullscreen", activate_toggle, NULL, "false", change_fullscreen_state }
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};
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static void
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new_window (GApplication *app,
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GFile *file)
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{
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GtkWidget *window, *grid, *scrolled, *view;
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window = gtk_application_window_new (GTK_APPLICATION (app));
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gtk_window_set_default_size ((GtkWindow*)window, 640, 480);
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g_action_map_add_action_entries (G_ACTION_MAP (window), win_entries, G_N_ELEMENTS (win_entries), window);
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gtk_window_set_title (GTK_WINDOW (window), "Plugman");
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grid = gtk_grid_new ();
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gtk_container_add (GTK_CONTAINER (window), grid);
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scrolled = gtk_scrolled_window_new (NULL, NULL);
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gtk_widget_set_hexpand (scrolled, TRUE);
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gtk_widget_set_vexpand (scrolled, TRUE);
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view = gtk_text_view_new ();
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g_object_set_data ((GObject*)window, "plugman-text", view);
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gtk_container_add (GTK_CONTAINER (scrolled), view);
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gtk_grid_attach (GTK_GRID (grid), scrolled, 0, 0, 1, 1);
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if (file != NULL)
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{
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gchar *contents;
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gsize length;
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if (g_file_load_contents (file, NULL, &contents, &length, NULL, NULL))
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{
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GtkTextBuffer *buffer;
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buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (view));
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gtk_text_buffer_set_text (buffer, contents, length);
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g_free (contents);
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}
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}
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gtk_widget_show_all (GTK_WIDGET (window));
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}
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static void
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plug_man_activate (GApplication *application)
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{
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new_window (application, NULL);
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}
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static void
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plug_man_open (GApplication *application,
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GFile **files,
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gint n_files,
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const gchar *hint)
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{
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gint i;
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for (i = 0; i < n_files; i++)
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new_window (application, files[i]);
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}
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typedef GtkApplication PlugMan;
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typedef GtkApplicationClass PlugManClass;
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G_DEFINE_TYPE (PlugMan, plug_man, GTK_TYPE_APPLICATION)
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static void
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plug_man_finalize (GObject *object)
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{
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G_OBJECT_CLASS (plug_man_parent_class)->finalize (object);
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}
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static void
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show_about (GSimpleAction *action,
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GVariant *parameter,
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gpointer user_data)
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{
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gtk_show_about_dialog (NULL,
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"program-name", "Plugman",
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"title", "About Plugman",
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"comments", "A cheap Bloatpad clone.",
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NULL);
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}
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static void
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quit_app (GSimpleAction *action,
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GVariant *parameter,
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gpointer user_data)
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{
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GList *list, *next;
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GtkWindow *win;
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g_print ("Going down...\n");
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list = gtk_application_get_windows (GTK_APPLICATION (g_application_get_default ()));
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while (list)
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{
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win = list->data;
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next = list->next;
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gtk_widget_destroy (GTK_WIDGET (win));
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list = next;
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}
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}
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static gboolean is_red_plugin_enabled;
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static gboolean
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red_plugin_enabled (void)
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{
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return is_red_plugin_enabled;
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}
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static GMenuModel *
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find_plugin_menu (void)
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{
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GMenuModel *menubar;
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GMenuModel *menu;
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gint i, j;
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const gchar *label, *id;
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menubar = g_application_get_menubar (g_application_get_default ());
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for (i = 0; i < g_menu_model_get_n_items (menubar); i++)
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{
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if (g_menu_model_get_item_attribute (menubar, i, "label", "s", &label) &&
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g_strcmp0 (label, "_Edit") == 0)
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{
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menu = g_menu_model_get_item_link (menubar, i, "submenu");
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for (j = 0; j < g_menu_model_get_n_items (menu); j++)
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{
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if (g_menu_model_get_item_attribute (menu, j, "id", "s", &id) &&
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g_strcmp0 (id, "plugins") == 0)
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{
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return g_menu_model_get_item_link (menu, j, "section");
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}
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}
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}
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}
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return NULL;
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}
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static void
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enable_red_plugin (void)
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{
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GMenu *plugin_menu;
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g_print ("Enabling 'Red' plugin\n");
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plugin_menu = find_plugin_menu ();
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if (plugin_menu)
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{
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GMenu *section;
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GMenuItem *item;
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section = g_menu_new ();
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g_menu_insert (section, 0, "Turn text red", "app.turn-text-red");
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item = g_menu_item_new_section (NULL, (GMenuModel*)section);
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g_menu_item_set_attribute (item, "id", "s", "red");
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g_menu_append_item (plugin_menu, item);
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g_object_unref (item);
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g_object_unref (section);
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g_print ("Menus of 'Red' plugin added\n");
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}
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else
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g_warning ("Plugin menu not found\n");
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is_red_plugin_enabled = TRUE;
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}
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static void
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disable_red_plugin (void)
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{
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GMenuModel *plugin_menu;
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g_print ("Disabling 'Red' plugin\n");
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plugin_menu = find_plugin_menu ();
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if (plugin_menu)
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{
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const gchar *id;
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gint i;
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for (i = 0; i < g_menu_model_get_n_items (plugin_menu); i++)
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{
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if (g_menu_model_get_item_attribute (plugin_menu, i, "id", "s", &id) &&
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g_strcmp0 (id, "red") == 0)
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{
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g_menu_remove (plugin_menu, i);
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g_print ("Menus of 'Red' plugin removed\n");
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}
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}
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}
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else
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g_warning ("Plugin menu not found\n");
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is_red_plugin_enabled = FALSE;
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}
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static void
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enable_or_disable_red_plugin (void)
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{
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if (red_plugin_enabled ())
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disable_red_plugin ();
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else
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enable_red_plugin ();
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}
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static void
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configure_plugins (GSimpleAction *action,
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GVariant *parameter,
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gpointer user_data)
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{
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GtkBuilder *builder;
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GtkWidget *dialog;
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GtkWidget *red;
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GError *error = NULL;
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builder = gtk_builder_new ();
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gtk_builder_add_from_string (builder,
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"<interface>"
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" <object class='GtkDialog' id='plugin-dialog'>"
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" <property name='border-width'>12</property>"
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" <property name='title'>Plugins</property>"
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" <child internal-child='vbox'>"
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" <object class='GtkBox' id='content-area'>"
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" <property name='visible'>True</property>"
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" <child>"
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" <object class='GtkCheckButton' id='red-plugin'>"
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" <property name='label'>Red Plugin - turn your text red</property>"
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" <property name='visible'>True</property>"
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" </object>"
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" </child>"
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" </object>"
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" </child>"
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" <child internal-child='action_area'>"
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" <object class='GtkButtonBox' id='action-area'>"
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" <property name='visible'>True</property>"
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" <child>"
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" <object class='GtkButton' id='close-button'>"
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" <property name='label'>Close</property>"
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" <property name='visible'>True</property>"
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" </object>"
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" </child>"
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" </object>"
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" </child>"
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" <action-widgets>"
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" <action-widget response='-5'>close-button</action-widget>"
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" </action-widgets>"
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" </object>"
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"</interface>", -1, &error);
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if (error)
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{
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g_warning ("%s", error->message);
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g_error_free (error);
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return;
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}
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dialog = (GtkWidget *)gtk_builder_get_object (builder, "plugin-dialog");
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red = (GtkWidget *)gtk_builder_get_object (builder, "red-plugin");
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gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (red), red_plugin_enabled ());
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g_signal_connect (red, "toggled", G_CALLBACK (enable_or_disable_red_plugin), NULL);
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g_signal_connect (dialog, "response", G_CALLBACK (gtk_widget_destroy), NULL);
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gtk_window_present (GTK_WINDOW (dialog));
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}
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static GActionEntry app_entries[] = {
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{ "about", show_about, NULL, NULL, NULL },
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{ "quit", quit_app, NULL, NULL, NULL },
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{ "plugins", configure_plugins, NULL, NULL, NULL },
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};
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static void
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plug_man_startup (GApplication *application)
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{
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GtkBuilder *builder;
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G_APPLICATION_CLASS (plug_man_parent_class)
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->startup (application);
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g_action_map_add_action_entries (G_ACTION_MAP (application), app_entries, G_N_ELEMENTS (app_entries), application);
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builder = gtk_builder_new ();
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gtk_builder_add_from_string (builder,
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"<interface>"
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" <menu id='app-menu'>"
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" <section>"
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" <item label='_About Plugman' action='app.about'/>"
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" </section>"
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" <section>"
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" <item label='_Quit' action='app.quit' accel='<Primary>q'/>"
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" </section>"
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" </menu>"
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" <menu id='menubar'>"
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" <submenu label='_Edit'>"
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" <section>"
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" <item label='_Copy' action='win.copy'/>"
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" <item label='_Paste' action='win.paste'/>"
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" </section>"
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" <section id='plugins'>"
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" </section>"
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" <section>"
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" <item label='Plugins' action='app.plugins'/>"
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" </section>"
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" </submenu>"
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" <submenu label='_View'>"
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" <section>"
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" <item label='_Fullscreen' action='win.fullscreen'/>"
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" </section>"
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" </submenu>"
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" </menu>"
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"</interface>", -1, NULL);
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g_application_set_app_menu (application, G_MENU_MODEL (gtk_builder_get_object (builder, "app-menu")));
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g_application_set_menubar (application, G_MENU_MODEL (gtk_builder_get_object (builder, "menubar")));
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g_object_unref (builder);
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}
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static void
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plug_man_init (PlugMan *app)
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{
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}
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static void
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plug_man_class_init (PlugManClass *class)
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{
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GApplicationClass *application_class = G_APPLICATION_CLASS (class);
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GObjectClass *object_class = G_OBJECT_CLASS (class);
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application_class->startup = plug_man_startup;
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application_class->activate = plug_man_activate;
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application_class->open = plug_man_open;
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object_class->finalize = plug_man_finalize;
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}
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PlugMan *
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plug_man_new (void)
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{
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g_type_init ();
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return g_object_new (plug_man_get_type (),
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"application-id", "org.gtk.Test.plugman",
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"flags", G_APPLICATION_HANDLES_OPEN,
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NULL);
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}
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int
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main (int argc, char **argv)
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{
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PlugMan *plug_man;
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int status;
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plug_man = plug_man_new ();
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gtk_application_add_accelerator (GTK_APPLICATION (plug_man),
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"F11", "win.fullscreen", NULL);
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status = g_application_run (G_APPLICATION (plug_man), argc, argv);
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g_object_unref (plug_man);
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return status;
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}
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Reference in New Issue
Block a user