2 * Copyright (C) 2007 Tilman Sauerbeck (tilman at code-monkey de)
4 * This program is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU General Public License as
6 * published by the Free Software Foundation; either version 2 of the
7 * License, or (at your option) any later version.
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 GNU
12 * General Public License for more details.
14 * You should have received a copy of the GNU General Public
15 * License along with this program; if not, write to the
16 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
17 * Boston, MA 02111-1307, USA.
31 #include "rakt-window.h"
34 GtkWidget *content_vbox;
37 GtkUIManager *ui_manager;
38 GtkAction *action_prev;
39 GtkAction *action_next;
41 GtkWidget *drawing_area;
42 PopplerDocument *document;
47 static void window_finalize (GObject *object);
49 static void on_add_widget (GtkUIManager *merge, GtkWidget *widget, RaktWindow *window);
51 static void on_action_quit (GtkAction *action, RaktWindow *window);
52 static void on_action_open (GtkAction *action, RaktWindow *window);
53 static void on_action_go_next (GtkAction *action, RaktWindow *window);
54 static void on_action_go_previous (GtkAction *action, RaktWindow *window);
55 static void on_action_about (GtkAction *action, RaktWindow *window);
57 static const GtkActionEntry action_entries[] = {
59 "FileMenu", NULL, "_File", NULL, NULL, NULL
62 "GoMenu", NULL, "_Go", NULL, NULL, NULL
65 "HelpMenu", NULL, "_Help", NULL, NULL, NULL
68 "Open", GTK_STOCK_OPEN, "_Open",
69 "<control>O", "Open a PDF file",
70 G_CALLBACK (on_action_open)
73 "Next", GTK_STOCK_GO_FORWARD, "_Next",
75 G_CALLBACK (on_action_go_next)
78 "Previous", GTK_STOCK_GO_BACK, "_Previous",
79 "<control>p", "Previous",
80 G_CALLBACK (on_action_go_previous)
83 "Quit", GTK_STOCK_QUIT, "_Quit",
84 "<control>Q", "Quit the application",
85 G_CALLBACK (on_action_quit)
88 "About", GTK_STOCK_ABOUT, "_About",
89 NULL, "About this application",
90 G_CALLBACK (on_action_about)
94 static const gchar *ui_layout =
96 " <menubar name='MenuBar'>"
97 " <menu action='FileMenu'>"
98 " <menuitem action='Open'/>"
99 " <separator action='Sep1'/>"
100 " <menuitem action='Quit'/>"
102 " <menu action='GoMenu'>"
103 " <menuitem action='Previous'/>"
104 " <menuitem action='Next'/>"
106 " <menu action='HelpMenu'>"
107 " <menuitem action='About'/>"
110 " <toolbar name='ToolBar'>"
111 " <toolitem action='Open'/>"
112 " <toolitem action='Previous'/>"
113 " <toolitem action='Next'/>"
117 G_DEFINE_TYPE (RaktWindow, rakt_window, GTK_TYPE_WINDOW)
119 #define GET_PRIV(obj) \
120 (G_TYPE_INSTANCE_GET_PRIVATE ((obj), RAKT_TYPE_WINDOW, RaktWindowPriv))
123 rakt_window_class_init (RaktWindowClass *class)
125 GObjectClass *object_class = G_OBJECT_CLASS (class);
127 object_class->finalize = window_finalize;
129 g_type_class_add_private (object_class, sizeof (RaktWindowPriv));
133 render_page (RaktWindow *window)
135 RaktWindowPriv *priv;
137 int width, height, n_pages;
139 priv = GET_PRIV (window);
141 n_pages = poppler_document_get_n_pages (priv->document);
142 gtk_action_set_sensitive (priv->action_prev, priv->page_no > 0);
143 gtk_action_set_sensitive (priv->action_next, priv->page_no < n_pages - 1);
145 priv->page = poppler_document_get_page (priv->document, priv->page_no);
147 poppler_page_get_size (priv->page, &tmpw, &tmph);
149 width = (int) (tmpw + 0.5);
150 height = (int) (tmph + 0.5);
152 gtk_widget_set_size_request (priv->drawing_area, width, height);
153 gtk_widget_queue_draw_area (priv->drawing_area, 0, 0, width, height);
157 open_document (RaktWindow *window, gchar *uri)
159 RaktWindowPriv *priv;
160 GError *error = NULL;
162 priv = GET_PRIV (window);
164 priv->document = poppler_document_new_from_file (uri, NULL, &error);
167 render_page (window);
171 window_create_menu (RaktWindow *window)
173 RaktWindowPriv *priv;
174 GtkActionGroup *action_group;
175 GtkAccelGroup *accel_group;
176 GError *error = NULL;
178 priv = GET_PRIV (window);
180 priv->ui_manager = gtk_ui_manager_new ();
182 g_signal_connect (priv->ui_manager,
184 G_CALLBACK (on_add_widget),
187 action_group = gtk_action_group_new ("Actions");
188 gtk_action_group_add_actions (action_group, action_entries,
189 G_N_ELEMENTS (action_entries), window);
190 gtk_ui_manager_insert_action_group (priv->ui_manager, action_group, 0);
192 accel_group = gtk_ui_manager_get_accel_group (priv->ui_manager);
193 gtk_window_add_accel_group (GTK_WINDOW (window), accel_group);
195 g_object_unref (action_group);
197 gtk_ui_manager_add_ui_from_string (priv->ui_manager, ui_layout, -1, &error);
200 g_error ("Couldn't create UI: %s\n", error->message);
202 gtk_ui_manager_ensure_update (priv->ui_manager);
204 priv->action_prev = gtk_ui_manager_get_action (priv->ui_manager,
205 "ui/ToolBar/Previous");
206 priv->action_next = gtk_ui_manager_get_action (priv->ui_manager,
209 gtk_action_set_sensitive (priv->action_prev, false);
210 gtk_action_set_sensitive (priv->action_next, false);
214 on_expose_event (GtkWidget *widget, GdkEvent *event, gpointer user_data)
216 RaktWindowPriv *priv;
219 priv = GET_PRIV (user_data);
221 cr = gdk_cairo_create (priv->drawing_area->window);
223 cairo_set_source_rgb (cr, 255, 255, 255);
227 poppler_page_render (priv->page, cr);
235 on_delete_event (GtkWidget *widget, GdkEvent *event, gpointer user_data)
243 rakt_window_init (RaktWindow *window)
245 RaktWindowPriv *priv;
248 priv = GET_PRIV (window);
250 gtk_window_set_default_size (GTK_WINDOW (window), 640, 480);
251 gtk_window_set_position (GTK_WINDOW (window), GTK_WIN_POS_CENTER);
253 priv->content_vbox = gtk_vbox_new (FALSE, 0);
254 gtk_widget_show (priv->content_vbox);
255 gtk_container_add (GTK_CONTAINER (window), priv->content_vbox);
257 window_create_menu (window);
259 priv->drawing_area = gtk_drawing_area_new ();
260 gtk_widget_show (priv->drawing_area);
262 g_signal_connect (priv->drawing_area, "expose-event",
263 G_CALLBACK (on_expose_event), window);
265 scrolled = gtk_scrolled_window_new (NULL, NULL);
267 gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (scrolled),
268 GTK_POLICY_AUTOMATIC,
269 GTK_POLICY_AUTOMATIC);
271 gtk_scrolled_window_add_with_viewport (GTK_SCROLLED_WINDOW (scrolled),
273 gtk_widget_show (scrolled);
275 gtk_box_pack_start (GTK_BOX (priv->content_vbox), scrolled,
278 g_signal_connect (GTK_WINDOW (window), "delete-event",
279 G_CALLBACK (on_delete_event), NULL);
283 window_finalize (GObject *object)
285 RaktWindowPriv *priv;
287 priv = GET_PRIV (object);
289 g_object_unref (priv->ui_manager);
291 G_OBJECT_CLASS (rakt_window_parent_class)->finalize (object);
295 on_add_widget (GtkUIManager *merge, GtkWidget *widget, RaktWindow *window)
297 RaktWindowPriv *priv;
299 priv = GET_PRIV (window);
301 gtk_box_pack_start (GTK_BOX (priv->content_vbox), widget, FALSE, FALSE, 0);
305 on_action_quit (GtkAction *action, RaktWindow *window)
311 on_action_open (GtkAction *action, RaktWindow *window)
314 GtkFileFilter *filter;
317 dialog = gtk_file_chooser_dialog_new ("Open PDF",
319 GTK_FILE_CHOOSER_ACTION_OPEN,
323 GTK_RESPONSE_CANCEL, NULL);
325 filter = gtk_file_filter_new ();
326 gtk_file_filter_set_name (filter, "PDF files");
327 gtk_file_filter_add_pattern (filter, "*.pdf");
329 gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (dialog), filter);
331 /* now run the dialog */
332 n = gtk_dialog_run (GTK_DIALOG (dialog));
334 if (n == GTK_RESPONSE_ACCEPT) {
337 uri = gtk_file_chooser_get_uri (GTK_FILE_CHOOSER (dialog));
338 open_document (window, uri);
342 gtk_widget_destroy (dialog);
346 on_action_go_next (GtkAction *action, RaktWindow *window)
348 RaktWindowPriv *priv;
350 priv = GET_PRIV (window);
353 render_page (window);
357 on_action_go_previous (GtkAction *action, RaktWindow *window)
359 RaktWindowPriv *priv;
361 priv = GET_PRIV (window);
364 render_page (window);
368 on_action_about (GtkAction *action, RaktWindow *window)
370 const gchar *authors[] = {
375 gtk_show_about_dialog (GTK_WINDOW (window),
376 "name", PACKAGE_NAME,
377 "copyright", "Copyright (c) 2007 Tilman Sauerbeck",
384 rakt_window_new (void)
386 return g_object_new (RAKT_TYPE_WINDOW, NULL);