Pileus Git - grits/blob - src/grits-demo.c

   1 /*
   2  * Copyright (C) 2009-2010 Andy Spencer <andy753421@gmail.com>
   3  *
   4  * This program is free software: you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation, either version 3 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16  */
  17
  18 #include <config.h>
  19 #include <gtk/gtk.h>
  20 #include <gdk/gdkkeysyms.h>
  21
  22 #include "grits.h"
  23
  24
  25 static GritsPrefs   *prefs;
  26 static GritsPlugins *plugins;
  27 static GritsViewer  *viewer;
  28
  29
  30 /*************
  31  * Callbacks *
  32  *************/
  33 static gboolean on_delete(GtkWidget *widget, GdkEvent *event, gpointer data)
  34 {
  35         gtk_main_quit();
  36         return TRUE;
  37 }
  38
  39 static void on_offline(GtkToggleAction *action, gpointer _)
  40 {
  41         gboolean active = gtk_toggle_action_get_active(action);
  42         grits_viewer_set_offline(viewer, active);
  43 }
  44
  45 static void on_plugin(GtkToggleAction *action, GtkWidget *notebook)
  46 {
  47         const gchar *name = gtk_action_get_name(GTK_ACTION(action));
  48         gboolean active = gtk_toggle_action_get_active(action);
  49         if (active) {
  50                 GritsPlugin *plugin = grits_plugins_enable(plugins, name,
  51                                 GRITS_VIEWER(viewer), prefs);
  52                 GtkWidget *config = grits_plugin_get_config(plugin);
  53                 if (config) {
  54                         gtk_notebook_append_page(GTK_NOTEBOOK(notebook), config,
  55                                         gtk_label_new(name));
  56                         gtk_widget_show_all(config);
  57                 }
  58         } else {
  59                 grits_plugins_disable(plugins, name);
  60                 guint n_pages = gtk_notebook_get_n_pages(GTK_NOTEBOOK(notebook));
  61                 for (int i = 0; i < n_pages; i++) {
  62                         GtkWidget *body = gtk_notebook_get_nth_page(GTK_NOTEBOOK(notebook), i);
  63                         if (!body) continue;
  64                         GtkWidget *tab = gtk_notebook_get_tab_label(GTK_NOTEBOOK(notebook), body);
  65                         if (!tab) continue;
  66                         const gchar *tab_name = gtk_label_get_text(GTK_LABEL(tab));
  67                         if (tab_name && g_str_equal(name, tab_name))
  68                                 gtk_notebook_remove_page(GTK_NOTEBOOK(notebook), i);
  69                 }
  70                 gtk_widget_queue_draw(GTK_WIDGET(viewer));
  71         }
  72 }
  73
  74
  75 /******************
  76  * Static UI Data *
  77  ******************/
  78 static const gchar menu_xml[] =
  79         "<ui>"
  80         "  <menubar name='Menu' >"
  81         "    <menu name='File'          action='File' >"
  82         "      <menuitem name='Offline' action='Offline' />"
  83         "      <menuitem name='Quit'    action='Quit' />"
  84         "    </menu>"
  85         "    <menu name='Plugins'       action='Plugins' >"
  86         "      <placeholder name='PluginsItems' />"
  87         "    </menu>"
  88         "  </menubar>"
  89         "</ui>"
  90 ;
  91
  92 static GtkActionEntry action_data[] =
  93 {
  94         /* name, stock id, label, accel, tooltip, callback */
  95         {"File",    NULL, "_File"},
  96         {"Plugins", NULL, "_Plugins"},
  97         {"Quit", GTK_STOCK_QUIT, "_Quit", "q", NULL,
  98                 G_CALLBACK(gtk_main_quit)},
  99 };
 100 static GtkToggleActionEntry toggle_action_data[] =
 101 {
 102         /* name, stock id, label, accel, tooltip, callback, is_active */
 103         {"Offline", GTK_STOCK_DISCONNECT, "_Offline", NULL, NULL,
 104                 G_CALLBACK(on_offline), FALSE},
 105 };
 106
 107
 108 /***********
 109  * Helpers *
 110  ***********/
 111 static GtkUIManager *setup_actions()
 112 {
 113         GtkUIManager   *manager = gtk_ui_manager_new();
 114         GtkActionGroup *actions = gtk_action_group_new("Actions");
 115         gtk_action_group_add_actions(actions, action_data,
 116                         G_N_ELEMENTS(action_data), NULL);
 117         gtk_action_group_add_toggle_actions(actions, toggle_action_data,
 118                         G_N_ELEMENTS(toggle_action_data), NULL);
 119         gtk_ui_manager_insert_action_group(manager, actions, 0);
 120         gtk_ui_manager_add_ui_from_string(manager, menu_xml, sizeof(menu_xml)-1, NULL);
 121         g_object_unref(actions);
 122         return manager;
 123 }
 124
 125 static GtkWidget *setup_window(GtkUIManager *manager, GtkWidget **_notebook)
 126 {
 127         GtkWidget *window   = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 128         GtkWidget *menu     = gtk_ui_manager_get_widget(manager, "/Menu");
 129         GtkWidget *notebook = gtk_notebook_new();
 130         GtkWidget *vbox     = gtk_vbox_new(FALSE, 0);
 131         gtk_container_add(GTK_CONTAINER(window), vbox);
 132         gtk_box_pack_start(GTK_BOX(vbox), menu,               FALSE, TRUE, 0);
 133         gtk_box_pack_start(GTK_BOX(vbox), GTK_WIDGET(viewer), TRUE,  TRUE, 0);
 134         gtk_box_pack_start(GTK_BOX(vbox), notebook,           FALSE, TRUE, 0);
 135         g_signal_connect(window, "delete-event", G_CALLBACK(on_delete), NULL);
 136         gtk_window_add_accel_group(GTK_WINDOW(window),
 137                         gtk_ui_manager_get_accel_group(manager));
 138         gtk_widget_set_size_request(GTK_WIDGET(viewer), 400, 300);
 139         *_notebook = notebook;
 140         return window;
 141 }
 142
 143 static void setup_plugins(GtkUIManager *manager, GtkNotebook *notebook)
 144 {
 145         GtkActionGroup *actions = gtk_action_group_new("Plugins");
 146         gtk_ui_manager_insert_action_group(manager, actions, 1);
 147         guint merge_id = gtk_ui_manager_new_merge_id(manager);
 148         for (GList *cur = grits_plugins_available(plugins); cur; cur = cur->next) {
 149                 gchar *name = cur->data;
 150                 GtkToggleAction *action = gtk_toggle_action_new(name, name, NULL, NULL);
 151                 g_signal_connect(action, "toggled", G_CALLBACK(on_plugin), notebook);
 152                 gtk_action_group_add_action(actions, GTK_ACTION(action));
 153                 gtk_ui_manager_add_ui(manager, merge_id, "/Menu/Plugins", name, name,
 154                                 GTK_UI_MANAGER_AUTO, TRUE);
 155                 if (grits_prefs_get_boolean_v(prefs, "plugins", name, NULL))
 156                         gtk_toggle_action_set_active(action, TRUE);
 157         }
 158 }
 159
 160 static void restore_states(GtkUIManager *manager)
 161 {
 162         GtkAction *action = gtk_ui_manager_get_action(manager, "/Menu/File/Offline");
 163         gtk_toggle_action_set_active(GTK_TOGGLE_ACTION(action),
 164                         grits_viewer_get_offline(viewer));
 165 }
 166
 167 int main(int argc, char **argv)
 168 {
 169         gdk_threads_init();
 170         gtk_init(&argc, &argv);
 171
 172         prefs   = grits_prefs_new(NULL, NULL);
 173         plugins = grits_plugins_new(g_getenv("GRITS_PLUGIN_PATH"), prefs);
 174         viewer  = grits_opengl_new(plugins, prefs);
 175
 176         gdk_threads_enter();
 177
 178         GtkWidget    *notebook = NULL;
 179         GtkUIManager *manager  = setup_actions();
 180         GtkWidget    *window   = setup_window(manager, &notebook);
 181         gtk_widget_show_all(window);
 182         setup_plugins(manager, GTK_NOTEBOOK(notebook));
 183         restore_states(manager);
 184         gtk_ui_manager_ensure_update(manager);
 185
 186         gtk_main();
 187
 188         grits_plugins_free(plugins);
 189         g_object_unref(prefs);
 190
 191         gdk_threads_leave();
 192
 193         g_debug("GritsDemo: main - refs=%d,%d",
 194                         G_OBJECT(manager)->ref_count,
 195                         G_OBJECT(window)->ref_count);
 196         g_object_unref(manager);
 197         gtk_widget_destroy(window);
 198
 199         prefs   = NULL;
 200         plugins = NULL;
 201         viewer  = NULL;
 202
 203         gdk_display_close(gdk_display_get_default());
 204
 205         return 0;
 206 }