Pileus Git - ~andy/gtk/blob - examples/bloatpad.c

   1 #include <stdlib.h>
   2 #include <gtk/gtk.h>
   3
   4 static void
   5 activate_toggle (GSimpleAction *action,
   6                  GVariant      *parameter,
   7                  gpointer       user_data)
   8 {
   9   GVariant *state;
  10
  11   state = g_action_get_state (G_ACTION (action));
  12   g_action_change_state (G_ACTION (action), g_variant_new_boolean (!g_variant_get_boolean (state)));
  13   g_variant_unref (state);
  14 }
  15
  16 static void
  17 activate_radio (GSimpleAction *action,
  18                 GVariant      *parameter,
  19                 gpointer       user_data)
  20 {
  21   g_action_change_state (G_ACTION (action), parameter);
  22 }
  23
  24 static void
  25 change_fullscreen_state (GSimpleAction *action,
  26                          GVariant      *state,
  27                          gpointer       user_data)
  28 {
  29   if (g_variant_get_boolean (state))
  30     gtk_window_fullscreen (user_data);
  31   else
  32     gtk_window_unfullscreen (user_data);
  33
  34   g_simple_action_set_state (action, state);
  35 }
  36
  37 static void
  38 change_justify_state (GSimpleAction *action,
  39                       GVariant      *state,
  40                       gpointer       user_data)
  41 {
  42   GtkTextView *text = g_object_get_data (user_data, "bloatpad-text");
  43   const gchar *str;
  44
  45   str = g_variant_get_string (state, NULL);
  46
  47   if (g_str_equal (str, "left"))
  48     gtk_text_view_set_justification (text, GTK_JUSTIFY_LEFT);
  49   else if (g_str_equal (str, "center"))
  50     gtk_text_view_set_justification (text, GTK_JUSTIFY_CENTER);
  51   else if (g_str_equal (str, "right"))
  52     gtk_text_view_set_justification (text, GTK_JUSTIFY_RIGHT);
  53   else
  54     /* ignore this attempted change */
  55     return;
  56
  57   g_simple_action_set_state (action, state);
  58 }
  59
  60 static GtkClipboard *
  61 get_clipboard (GtkWidget *widget)
  62 {
  63   return gtk_widget_get_clipboard (widget, gdk_atom_intern_static_string ("CLIPBOARD"));
  64 }
  65
  66 static void
  67 window_copy (GSimpleAction *action,
  68              GVariant      *parameter,
  69              gpointer       user_data)
  70 {
  71   GtkWindow *window = GTK_WINDOW (user_data);
  72   GtkTextView *text = g_object_get_data ((GObject*)window, "bloatpad-text");
  73
  74   gtk_text_buffer_copy_clipboard (gtk_text_view_get_buffer (text),
  75                                   get_clipboard ((GtkWidget*) text));
  76 }
  77
  78 static void
  79 window_paste (GSimpleAction *action,
  80               GVariant      *parameter,
  81               gpointer       user_data)
  82 {
  83   GtkWindow *window = GTK_WINDOW (user_data);
  84   GtkTextView *text = g_object_get_data ((GObject*)window, "bloatpad-text");
  85
  86   gtk_text_buffer_paste_clipboard (gtk_text_view_get_buffer (text),
  87                                    get_clipboard ((GtkWidget*) text),
  88                                    NULL,
  89                                    TRUE);
  90
  91 }
  92
  93 static GActionEntry win_entries[] = {
  94   { "copy", window_copy, NULL, NULL, NULL },
  95   { "paste", window_paste, NULL, NULL, NULL },
  96   { "fullscreen", activate_toggle, NULL, "false", change_fullscreen_state },
  97   { "justify", activate_radio, "s", "'left'", change_justify_state }
  98 };
  99
 100 static void
 101 new_window (GApplication *app,
 102             GFile        *file)
 103 {
 104   GtkWidget *window, *grid, *scrolled, *view;
 105   GtkWidget *toolbar;
 106   GtkToolItem *button;
 107   GtkWidget *sw, *box, *label;
 108
 109   window = gtk_application_window_new (GTK_APPLICATION (app));
 110   gtk_window_set_default_size ((GtkWindow*)window, 640, 480);
 111   g_action_map_add_action_entries (G_ACTION_MAP (window), win_entries, G_N_ELEMENTS (win_entries), window);
 112   gtk_window_set_title (GTK_WINDOW (window), "Bloatpad");
 113
 114   grid = gtk_grid_new ();
 115   gtk_container_add (GTK_CONTAINER (window), grid);
 116
 117   toolbar = gtk_toolbar_new ();
 118   button = gtk_toggle_tool_button_new_from_stock (GTK_STOCK_JUSTIFY_LEFT);
 119   gtk_actionable_set_detailed_action_name (GTK_ACTIONABLE (button), "win.justify::left");
 120   gtk_container_add (GTK_CONTAINER (toolbar), GTK_WIDGET (button));
 121
 122   button = gtk_toggle_tool_button_new_from_stock (GTK_STOCK_JUSTIFY_CENTER);
 123   gtk_actionable_set_detailed_action_name (GTK_ACTIONABLE (button), "win.justify::center");
 124   gtk_container_add (GTK_CONTAINER (toolbar), GTK_WIDGET (button));
 125
 126   button = gtk_toggle_tool_button_new_from_stock (GTK_STOCK_JUSTIFY_RIGHT);
 127   gtk_actionable_set_detailed_action_name (GTK_ACTIONABLE (button), "win.justify::right");
 128   gtk_container_add (GTK_CONTAINER (toolbar), GTK_WIDGET (button));
 129
 130   button = gtk_separator_tool_item_new ();
 131   gtk_separator_tool_item_set_draw (GTK_SEPARATOR_TOOL_ITEM (button), FALSE);
 132   gtk_tool_item_set_expand (GTK_TOOL_ITEM (button), TRUE);
 133   gtk_container_add (GTK_CONTAINER (toolbar), GTK_WIDGET (button));
 134
 135   button = gtk_tool_item_new ();
 136   box = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 6);
 137   gtk_container_add (GTK_CONTAINER (button), box);
 138   label = gtk_label_new ("Fullscreen:");
 139   gtk_container_add (GTK_CONTAINER (box), label);
 140   sw = gtk_switch_new ();
 141   gtk_actionable_set_action_name (GTK_ACTIONABLE (sw), "win.fullscreen");
 142   gtk_container_add (GTK_CONTAINER (box), sw);
 143   gtk_container_add (GTK_CONTAINER (toolbar), GTK_WIDGET (button));
 144
 145   gtk_grid_attach (GTK_GRID (grid), toolbar, 0, 0, 1, 1);
 146
 147   scrolled = gtk_scrolled_window_new (NULL, NULL);
 148   gtk_widget_set_hexpand (scrolled, TRUE);
 149   gtk_widget_set_vexpand (scrolled, TRUE);
 150   view = gtk_text_view_new ();
 151
 152   g_object_set_data ((GObject*)window, "bloatpad-text", view);
 153
 154   gtk_container_add (GTK_CONTAINER (scrolled), view);
 155
 156   gtk_grid_attach (GTK_GRID (grid), scrolled, 0, 1, 1, 1);
 157
 158   if (file != NULL)
 159     {
 160       gchar *contents;
 161       gsize length;
 162
 163       if (g_file_load_contents (file, NULL, &contents, &length, NULL, NULL))
 164         {
 165           GtkTextBuffer *buffer;
 166
 167           buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (view));
 168           gtk_text_buffer_set_text (buffer, contents, length);
 169           g_free (contents);
 170         }
 171     }
 172
 173   gtk_widget_show_all (GTK_WIDGET (window));
 174 }
 175
 176 static void
 177 bloat_pad_activate (GApplication *application)
 178 {
 179   new_window (application, NULL);
 180 }
 181
 182 static void
 183 bloat_pad_open (GApplication  *application,
 184                 GFile        **files,
 185                 gint           n_files,
 186                 const gchar   *hint)
 187 {
 188   gint i;
 189
 190   for (i = 0; i < n_files; i++)
 191     new_window (application, files[i]);
 192 }
 193
 194 typedef GtkApplication BloatPad;
 195 typedef GtkApplicationClass BloatPadClass;
 196
 197 G_DEFINE_TYPE (BloatPad, bloat_pad, GTK_TYPE_APPLICATION)
 198
 199 static void
 200 bloat_pad_finalize (GObject *object)
 201 {
 202   G_OBJECT_CLASS (bloat_pad_parent_class)->finalize (object);
 203 }
 204
 205 static void
 206 new_activated (GSimpleAction *action,
 207                GVariant      *parameter,
 208                gpointer       user_data)
 209 {
 210   GApplication *app = user_data;
 211
 212   g_application_activate (app);
 213 }
 214
 215 static void
 216 about_activated (GSimpleAction *action,
 217                  GVariant      *parameter,
 218                  gpointer       user_data)
 219 {
 220   gtk_show_about_dialog (NULL,
 221                          "program-name", "Bloatpad",
 222                          "title", "About Bloatpad",
 223                          "comments", "Not much to say, really.",
 224                          NULL);
 225 }
 226
 227 static void
 228 quit_app (GtkApplication *app)
 229 {
 230   GList *list, *next;
 231   GtkWindow *win;
 232
 233   g_print ("Going down...\n");
 234
 235   list = gtk_application_get_windows (app);
 236   while (list)
 237     {
 238       win = list->data;
 239       next = list->next;
 240
 241       gtk_widget_destroy (GTK_WIDGET (win));
 242
 243       list = next;
 244     }
 245 }
 246
 247 static void
 248 quit_activated (GSimpleAction *action,
 249                 GVariant      *parameter,
 250                 gpointer       user_data)
 251 {
 252   GtkApplication *app = user_data;
 253
 254   quit_app (app);
 255 }
 256
 257 static GActionEntry app_entries[] = {
 258   { "new", new_activated, NULL, NULL, NULL },
 259   { "about", about_activated, NULL, NULL, NULL },
 260   { "quit", quit_activated, NULL, NULL, NULL },
 261 };
 262
 263 static void
 264 bloat_pad_startup (GApplication *application)
 265 {
 266   GtkBuilder *builder;
 267
 268   G_APPLICATION_CLASS (bloat_pad_parent_class)
 269     ->startup (application);
 270
 271   g_action_map_add_action_entries (G_ACTION_MAP (application), app_entries, G_N_ELEMENTS (app_entries), application);
 272
 273   builder = gtk_builder_new ();
 274   gtk_builder_add_from_string (builder,
 275                                "<interface>"
 276                                "  <menu id='app-menu'>"
 277                                "    <section>"
 278                                "      <item label='_New Window' action='app.new' accel='<Primary>n'/>"
 279                                "    </section>"
 280                                "    <section>"
 281                                "      <item label='_About Bloatpad' action='app.about'/>"
 282                                "    </section>"
 283                                "    <section>"
 284                                "      <item label='_Quit' action='app.quit' accel='<Primary>q'/>"
 285                                "    </section>"
 286                                "  </menu>"
 287                                "  <menu id='menubar'>"
 288                                "    <submenu label='_Edit'>"
 289                                "      <section>"
 290                                "        <item label='_Copy' action='win.copy' accel='<Primary>c'/>"
 291                                "        <item label='_Paste' action='win.paste' accel='<Primary>v'/>"
 292                                "      </section>"
 293                                "    </submenu>"
 294                                "    <submenu label='_View'>"
 295                                "      <section>"
 296                                "        <item label='_Fullscreen' action='win.fullscreen'/>"
 297                                "      </section>"
 298                                "    </submenu>"
 299                                "  </menu>"
 300                                "</interface>", -1, NULL);
 301   gtk_application_set_app_menu (GTK_APPLICATION (application), G_MENU_MODEL (gtk_builder_get_object (builder, "app-menu")));
 302   gtk_application_set_menubar (GTK_APPLICATION (application), G_MENU_MODEL (gtk_builder_get_object (builder, "menubar")));
 303   g_object_unref (builder);
 304 }
 305
 306 static void
 307 bloat_pad_init (BloatPad *app)
 308 {
 309 }
 310
 311 static void
 312 bloat_pad_class_init (BloatPadClass *class)
 313 {
 314   GApplicationClass *application_class = G_APPLICATION_CLASS (class);
 315   GObjectClass *object_class = G_OBJECT_CLASS (class);
 316
 317   application_class->startup = bloat_pad_startup;
 318   application_class->activate = bloat_pad_activate;
 319   application_class->open = bloat_pad_open;
 320
 321   object_class->finalize = bloat_pad_finalize;
 322
 323 }
 324
 325 static void
 326 quit_cb (GtkApplication *app)
 327 {
 328   g_print ("Session manager to us to quit\n");
 329
 330   quit_app (app);
 331 }
 332
 333 BloatPad *
 334 bloat_pad_new (void)
 335 {
 336   GtkApplication *bloat_pad;
 337
 338   g_type_init ();
 339
 340   g_set_application_name ("Bloatpad");
 341
 342   bloat_pad = g_object_new (bloat_pad_get_type (),
 343                             "application-id", "org.gtk.Test.bloatpad",
 344                             "flags", G_APPLICATION_HANDLES_OPEN,
 345                             "inactivity-timeout", 30000,
 346                             "register-session", TRUE,
 347                             NULL);
 348
 349   g_signal_connect (bloat_pad, "quit", G_CALLBACK (quit_cb), NULL);
 350
 351   return bloat_pad;
 352 }
 353
 354 int
 355 main (int argc, char **argv)
 356 {
 357   BloatPad *bloat_pad;
 358   int status;
 359
 360   bloat_pad = bloat_pad_new ();
 361
 362   gtk_application_add_accelerator (GTK_APPLICATION (bloat_pad),
 363                                    "F11", "win.fullscreen", NULL);
 364
 365   status = g_application_run (G_APPLICATION (bloat_pad), argc, argv);
 366
 367   g_object_unref (bloat_pad);
 368
 369   return status;
 370 }