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 change_fullscreen_state (GSimpleAction *action,
  18                          GVariant      *state,
  19                          gpointer       user_data)
  20 {
  21   if (g_variant_get_boolean (state))
  22     gtk_window_fullscreen (user_data);
  23   else
  24     gtk_window_unfullscreen (user_data);
  25
  26   g_simple_action_set_state (action, state);
  27 }
  28
  29 static GtkClipboard *
  30 get_clipboard (GtkWidget *widget)
  31 {
  32   return gtk_widget_get_clipboard (widget, gdk_atom_intern_static_string ("CLIPBOARD"));
  33 }
  34
  35 static void
  36 window_copy (GSimpleAction *action,
  37              GVariant      *parameter,
  38              gpointer       user_data)
  39 {
  40   GtkWindow *window = GTK_WINDOW (user_data);
  41   GtkTextView *text = g_object_get_data ((GObject*)window, "bloatpad-text");
  42
  43   gtk_text_buffer_copy_clipboard (gtk_text_view_get_buffer (text),
  44                                   get_clipboard ((GtkWidget*) text));
  45 }
  46
  47 static void
  48 window_paste (GSimpleAction *action,
  49               GVariant      *parameter,
  50               gpointer       user_data)
  51 {
  52   GtkWindow *window = GTK_WINDOW (user_data);
  53   GtkTextView *text = g_object_get_data ((GObject*)window, "bloatpad-text");
  54
  55   gtk_text_buffer_paste_clipboard (gtk_text_view_get_buffer (text),
  56                                    get_clipboard ((GtkWidget*) text),
  57                                    NULL,
  58                                    TRUE);
  59
  60 }
  61
  62 static GActionEntry win_entries[] = {
  63   { "copy", window_copy, NULL, NULL, NULL },
  64   { "paste", window_paste, NULL, NULL, NULL },
  65   { "fullscreen", activate_toggle, NULL, "false", change_fullscreen_state }
  66 };
  67
  68 static void
  69 new_window (GApplication *app,
  70             GFile        *file)
  71 {
  72   GtkWidget *window, *grid, *scrolled, *view;
  73
  74   window = gtk_application_window_new (GTK_APPLICATION (app));
  75   gtk_window_set_default_size ((GtkWindow*)window, 640, 480);
  76   g_action_map_add_action_entries (G_ACTION_MAP (window), win_entries, G_N_ELEMENTS (win_entries), window);
  77   gtk_window_set_title (GTK_WINDOW (window), "Bloatpad");
  78
  79   grid = gtk_grid_new ();
  80   gtk_container_add (GTK_CONTAINER (window), grid);
  81
  82   scrolled = gtk_scrolled_window_new (NULL, NULL);
  83   gtk_widget_set_hexpand (scrolled, TRUE);
  84   gtk_widget_set_vexpand (scrolled, TRUE);
  85   view = gtk_text_view_new ();
  86
  87   g_object_set_data ((GObject*)window, "bloatpad-text", view);
  88
  89   gtk_container_add (GTK_CONTAINER (scrolled), view);
  90
  91   gtk_grid_attach (GTK_GRID (grid), scrolled, 0, 0, 1, 1);
  92
  93   if (file != NULL)
  94     {
  95       gchar *contents;
  96       gsize length;
  97
  98       if (g_file_load_contents (file, NULL, &contents, &length, NULL, NULL))
  99         {
 100           GtkTextBuffer *buffer;
 101
 102           buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (view));
 103           gtk_text_buffer_set_text (buffer, contents, length);
 104           g_free (contents);
 105         }
 106     }
 107
 108   gtk_widget_show_all (GTK_WIDGET (window));
 109 }
 110
 111 static void
 112 bloat_pad_activate (GApplication *application)
 113 {
 114   new_window (application, NULL);
 115 }
 116
 117 static void
 118 bloat_pad_open (GApplication  *application,
 119                 GFile        **files,
 120                 gint           n_files,
 121                 const gchar   *hint)
 122 {
 123   gint i;
 124
 125   for (i = 0; i < n_files; i++)
 126     new_window (application, files[i]);
 127 }
 128
 129 typedef GtkApplication BloatPad;
 130 typedef GtkApplicationClass BloatPadClass;
 131
 132 G_DEFINE_TYPE (BloatPad, bloat_pad, GTK_TYPE_APPLICATION)
 133
 134 static void
 135 bloat_pad_finalize (GObject *object)
 136 {
 137   G_OBJECT_CLASS (bloat_pad_parent_class)->finalize (object);
 138 }
 139
 140 static void
 141 show_about (GSimpleAction *action,
 142             GVariant      *parameter,
 143             gpointer       user_data)
 144 {
 145   gtk_show_about_dialog (NULL,
 146                          "program-name", "Bloatpad",
 147                          "title", "About Bloatpad",
 148                          "comments", "Not much to say, really.",
 149                          NULL);
 150 }
 151
 152
 153 static void
 154 quit_app (GSimpleAction *action,
 155           GVariant      *parameter,
 156           gpointer       user_data)
 157 {
 158   GList *list, *next;
 159   GtkWindow *win;
 160
 161   g_print ("Going down...\n");
 162
 163   list = gtk_application_get_windows (GTK_APPLICATION (g_application_get_default ()));
 164   while (list)
 165     {
 166       win = list->data;
 167       next = list->next;
 168
 169       gtk_widget_destroy (GTK_WIDGET (win));
 170
 171       list = next;
 172     }
 173 }
 174
 175 static GActionEntry app_entries[] = {
 176   { "about", show_about, NULL, NULL, NULL },
 177   { "quit", quit_app, NULL, NULL, NULL },
 178 };
 179
 180 static void
 181 bloat_pad_startup (GApplication *application)
 182 {
 183   GtkBuilder *builder;
 184
 185   G_APPLICATION_CLASS (bloat_pad_parent_class)
 186     ->startup (application);
 187
 188   g_action_map_add_action_entries (G_ACTION_MAP (application), app_entries, G_N_ELEMENTS (app_entries), application);
 189
 190   builder = gtk_builder_new ();
 191   gtk_builder_add_from_string (builder,
 192                                "<interface>"
 193                                "  <menu id='app-menu'>"
 194                                "    <item label='_About Bloatpad' action='app.about'/>"
 195                                "    <item label='_Quit' action='app.quit'/>"
 196                                "  </menu>"
 197                                "  <menu id='menubar'>"
 198                                "    <submenu label='_Edit'>"
 199                                "      <item label='_Copy' action='win.copy'/>"
 200                                "      <item label='_Paste' action='win.paste'/>"
 201                                "    </submenu>"
 202                                "    <submenu label='_View'>"
 203                                "      <item label='_Fullscreen' action='win.fullscreen'/>"
 204                                "    </submenu>"
 205                                "  </menu>"
 206                                "</interface>", -1, NULL);
 207   g_application_set_app_menu (application, G_MENU_MODEL (gtk_builder_get_object (builder, "app-menu")));
 208   g_application_set_menubar (application, G_MENU_MODEL (gtk_builder_get_object (builder, "menubar")));
 209   g_object_unref (builder);
 210 }
 211
 212 static void
 213 bloat_pad_init (BloatPad *app)
 214 {
 215 }
 216
 217 static void
 218 bloat_pad_class_init (BloatPadClass *class)
 219 {
 220   GApplicationClass *application_class = G_APPLICATION_CLASS (class);
 221   GObjectClass *object_class = G_OBJECT_CLASS (class);
 222
 223   application_class->startup = bloat_pad_startup;
 224   application_class->activate = bloat_pad_activate;
 225   application_class->open = bloat_pad_open;
 226
 227   object_class->finalize = bloat_pad_finalize;
 228
 229 }
 230
 231 BloatPad *
 232 bloat_pad_new (void)
 233 {
 234   g_type_init ();
 235
 236   return g_object_new (bloat_pad_get_type (),
 237                        "application-id", "org.gtk.Test.bloatpad",
 238                        "flags", G_APPLICATION_HANDLES_OPEN,
 239                        NULL);
 240 }
 241
 242 int
 243 main (int argc, char **argv)
 244 {
 245   BloatPad *bloat_pad;
 246   int status;
 247
 248   bloat_pad = bloat_pad_new ();
 249   status = g_application_run (G_APPLICATION (bloat_pad), argc, argv);
 250   g_object_unref (bloat_pad);
 251
 252   return status;
 253 }