GtkAction *action_prev;
GtkAction *action_next;
- GtkWidget *image;
- GdkPixbuf *pixbuf;
+ GtkAction *action_zoom_in;
+ GtkAction *action_zoom_out;
+ GtkAction *action_zoom_100;
+
+ GtkWidget *drawing_area;
PopplerDocument *document;
+ PopplerPage *page;
gint page_no;
+ gdouble scale;
} RaktWindowPriv;
static void window_finalize (GObject *object);
static void on_action_open (GtkAction *action, RaktWindow *window);
static void on_action_go_next (GtkAction *action, RaktWindow *window);
static void on_action_go_previous (GtkAction *action, RaktWindow *window);
+static void on_action_zoom (GtkAction *action, RaktWindow *window);
static void on_action_about (GtkAction *action, RaktWindow *window);
static const GtkActionEntry action_entries[] = {
{
"FileMenu", NULL, "_File", NULL, NULL, NULL
},
+ {
+ "GoMenu", NULL, "_Go", NULL, NULL, NULL
+ },
+ {
+ "ViewMenu", NULL, "_View", NULL, NULL, NULL
+ },
{
"HelpMenu", NULL, "_Help", NULL, NULL, NULL
},
{
- "Open", GTK_STOCK_OPEN,
- "_Open", "<control>O", "Open a PDF file",
+ "Open", GTK_STOCK_OPEN, "_Open",
+ "<control>O", "Open a PDF file",
G_CALLBACK (on_action_open)
},
{
G_CALLBACK (on_action_go_previous)
},
{
- "Quit", GTK_STOCK_QUIT,
- "_Quit", "<control>Q", "Quit the application",
+ "Zoom In", GTK_STOCK_ZOOM_IN, "Zoom _In",
+ "<control>plus", "Zoom In",
+ G_CALLBACK (on_action_zoom)
+ },
+ {
+ "Zoom Out", GTK_STOCK_ZOOM_OUT, "Zoom _Out",
+ "<control>minus", "Zoom Out",
+ G_CALLBACK (on_action_zoom)
+ },
+ {
+ "Zoom 100", GTK_STOCK_ZOOM_100, "Zoom 100%",
+ NULL, "Zoom 100%",
+ G_CALLBACK (on_action_zoom)
+ },
+ {
+ "Quit", GTK_STOCK_QUIT, "_Quit",
+ "<control>Q", "Quit the application",
G_CALLBACK (on_action_quit)
},
{
- "About", GTK_STOCK_ABOUT,
- "_About", NULL, "About this application",
+ "About", GTK_STOCK_ABOUT, "_About",
+ NULL, "About this application",
G_CALLBACK (on_action_about)
}
};
" <separator action='Sep1'/>"
" <menuitem action='Quit'/>"
" </menu>"
+ " <menu action='GoMenu'>"
+ " <menuitem action='Previous'/>"
+ " <menuitem action='Next'/>"
+ " </menu>"
+ " <menu action='ViewMenu'>"
+ " <menuitem action='Zoom In'/>"
+ " <menuitem action='Zoom Out'/>"
+ " <menuitem action='Zoom 100'/>"
+ " </menu>"
" <menu action='HelpMenu'>"
" <menuitem action='About'/>"
" </menu>"
" <toolitem action='Open'/>"
" <toolitem action='Previous'/>"
" <toolitem action='Next'/>"
+ " <toolitem action='Zoom In'/>"
+ " <toolitem action='Zoom Out'/>"
+ " <toolitem action='Zoom 100'/>"
" </toolbar>"
"</ui>";
render_page (RaktWindow *window)
{
RaktWindowPriv *priv;
- PopplerPage *page;
double tmpw, tmph;
int width, height, n_pages;
n_pages = poppler_document_get_n_pages (priv->document);
gtk_action_set_sensitive (priv->action_prev, priv->page_no > 0);
- gtk_action_set_sensitive (priv->action_next, priv->page_no < n_pages);
+ gtk_action_set_sensitive (priv->action_next, priv->page_no < n_pages - 1);
- page = poppler_document_get_page (priv->document, priv->page_no);
+ gtk_action_set_sensitive (priv->action_zoom_in, priv->scale < 3.0);
+ gtk_action_set_sensitive (priv->action_zoom_out, priv->scale > 0.4);
+ gtk_action_set_sensitive (priv->action_zoom_100, priv->scale != 1.0);
- poppler_page_get_size (page, &tmpw, &tmph);
+ priv->page = poppler_document_get_page (priv->document, priv->page_no);
- width = (int) tmpw;
- height = (int) tmph;
+ poppler_page_get_size (priv->page, &tmpw, &tmph);
- priv->pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, FALSE, 8,
- width, height);
+ width = (int) (tmpw * priv->scale + 0.5);
+ height = (int) (tmph * priv->scale + 0.5);
- poppler_page_render_to_pixbuf (page, 0, 0, width, height, 1.0, 0,
- priv->pixbuf);
- gtk_image_set_from_pixbuf (GTK_IMAGE (priv->image), priv->pixbuf);
+ gtk_widget_set_size_request (priv->drawing_area, width, height);
+ gtk_widget_queue_draw_area (priv->drawing_area, 0, 0, width, height);
}
static void
-open_document (RaktWindow *window, gchar *file)
+open_document (RaktWindow *window, gchar *uri)
{
RaktWindowPriv *priv;
GError *error = NULL;
- gchar real[PATH_MAX], buf[16 + PATH_MAX];
priv = GET_PRIV (window);
- realpath (file, real);
-
- g_strlcpy (buf, "file://", sizeof (buf));
- g_strlcat (buf, real, sizeof (buf));
-
- priv->document = poppler_document_new_from_file (buf, NULL, &error);
+ priv->document = poppler_document_new_from_file (uri, NULL, &error);
priv->page_no = 0;
render_page (window);
"ui/ToolBar/Previous");
priv->action_next = gtk_ui_manager_get_action (priv->ui_manager,
"ui/ToolBar/Next");
+ priv->action_zoom_in = gtk_ui_manager_get_action (priv->ui_manager,
+ "ui/ToolBar/Zoom In");
+ priv->action_zoom_out = gtk_ui_manager_get_action (priv->ui_manager,
+ "ui/ToolBar/Zoom Out");
+ priv->action_zoom_100 = gtk_ui_manager_get_action (priv->ui_manager,
+ "ui/ToolBar/Zoom 100");
gtk_action_set_sensitive (priv->action_prev, false);
gtk_action_set_sensitive (priv->action_next, false);
+
+ gtk_action_set_sensitive (priv->action_zoom_in, false);
+ gtk_action_set_sensitive (priv->action_zoom_out, false);
+ gtk_action_set_sensitive (priv->action_zoom_100, false);
+}
+
+static gboolean
+on_expose_event (GtkWidget *widget, GdkEvent *event, gpointer user_data)
+{
+ RaktWindowPriv *priv;
+ cairo_t *cr;
+
+ priv = GET_PRIV (user_data);
+
+ cr = gdk_cairo_create (priv->drawing_area->window);
+
+ cairo_set_source_rgb (cr, 255, 255, 255);
+ cairo_paint (cr);
+
+ cairo_scale (cr, priv->scale, priv->scale);
+
+ if (priv->page)
+ poppler_page_render (priv->page, cr);
+
+ cairo_destroy (cr);
+
+ return FALSE;
}
static gboolean
{
gtk_main_quit ();
- return FALSE;
+ return TRUE;
}
static void
rakt_window_init (RaktWindow *window)
{
RaktWindowPriv *priv;
+ GtkWidget *scrolled;
priv = GET_PRIV (window);
+ priv->scale = 1.0;
+
gtk_window_set_default_size (GTK_WINDOW (window), 640, 480);
gtk_window_set_position (GTK_WINDOW (window), GTK_WIN_POS_CENTER);
window_create_menu (window);
- priv->image = gtk_image_new ();
+ priv->drawing_area = gtk_drawing_area_new ();
+ gtk_widget_show (priv->drawing_area);
+
+ g_signal_connect (priv->drawing_area, "expose-event",
+ G_CALLBACK (on_expose_event), window);
+
+ scrolled = gtk_scrolled_window_new (NULL, NULL);
+
+ gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (scrolled),
+ GTK_POLICY_AUTOMATIC,
+ GTK_POLICY_AUTOMATIC);
- gtk_widget_show (priv->image);
- gtk_box_pack_start (GTK_BOX (priv->content_vbox), priv->image,
+ gtk_scrolled_window_add_with_viewport (GTK_SCROLLED_WINDOW (scrolled),
+ priv->drawing_area);
+ gtk_widget_show (scrolled);
+
+ gtk_box_pack_start (GTK_BOX (priv->content_vbox), scrolled,
TRUE, TRUE, 0);
g_signal_connect (GTK_WINDOW (window), "delete-event",
n = gtk_dialog_run (GTK_DIALOG (dialog));
if (n == GTK_RESPONSE_ACCEPT) {
- gchar *file;
+ gchar *uri;
- file = gtk_file_chooser_get_filename (GTK_FILE_CHOOSER (dialog));
- open_document (window, file);
+ uri = gtk_file_chooser_get_uri (GTK_FILE_CHOOSER (dialog));
+ open_document (window, uri);
+ g_free (uri);
}
gtk_widget_destroy (dialog);
render_page (window);
}
+static void
+on_action_zoom (GtkAction *action, RaktWindow *window)
+{
+ RaktWindowPriv *priv;
+
+ priv = GET_PRIV (window);
+
+ if (action == priv->action_zoom_in)
+ priv->scale += 0.2;
+ else if (action == priv->action_zoom_out)
+ priv->scale -= 0.2;
+ else
+ priv->scale = 1.0;
+
+ render_page (window);
+}
+
static void
on_action_about (GtkAction *action, RaktWindow *window)
{
projects / raktpdf.git / blobdiff