X-Git-Url: http://git.code-monkey.de/?p=raktpdf.git;a=blobdiff_plain;f=src%2Frakt-window.c;h=d5ce25157b3be9d65a954260aaee82b318985b59;hp=b929331400187d21b5f1472ae15845c73071525f;hb=5cdaeba17a21fc829f3483c1640374b34d40b21b;hpb=8476b6220c0d4cd5374212ff9586bd8c04cab7a5 diff --git a/src/rakt-window.c b/src/rakt-window.c index b929331..d5ce251 100644 --- a/src/rakt-window.c +++ b/src/rakt-window.c @@ -38,10 +38,15 @@ typedef struct { 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); @@ -52,18 +57,25 @@ static void on_action_quit (GtkAction *action, RaktWindow *window); 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", "O", "Open a PDF file", + "Open", GTK_STOCK_OPEN, "_Open", + "O", "Open a PDF file", G_CALLBACK (on_action_open) }, { @@ -77,13 +89,28 @@ static const GtkActionEntry action_entries[] = { G_CALLBACK (on_action_go_previous) }, { - "Quit", GTK_STOCK_QUIT, - "_Quit", "Q", "Quit the application", + "Zoom In", GTK_STOCK_ZOOM_IN, "Zoom _In", + "plus", "Zoom In", + G_CALLBACK (on_action_zoom) + }, + { + "Zoom Out", GTK_STOCK_ZOOM_OUT, "Zoom _Out", + "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", + "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) } }; @@ -96,6 +123,15 @@ static const gchar *ui_layout = " " " " " " + " " + " " + " " + " " + " " + " " + " " + " " + " " " " " " " " @@ -104,6 +140,9 @@ static const gchar *ui_layout = " " " " " " + " " + " " + " " " " ""; @@ -126,7 +165,6 @@ static void render_page (RaktWindow *window) { RaktWindowPriv *priv; - PopplerPage *page; double tmpw, tmph; int width, height, n_pages; @@ -134,38 +172,32 @@ render_page (RaktWindow *window) 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) +void +rakt_window_open_document (RaktWindow *window, const 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); @@ -209,9 +241,42 @@ window_create_menu (RaktWindow *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 @@ -219,16 +284,19 @@ on_delete_event (GtkWidget *widget, GdkEvent *event, gpointer user_data) { 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); @@ -238,10 +306,23 @@ rakt_window_init (RaktWindow *window) 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_widget_show (priv->image); - gtk_box_pack_start (GTK_BOX (priv->content_vbox), priv->image, + gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (scrolled), + GTK_POLICY_AUTOMATIC, + GTK_POLICY_AUTOMATIC); + + 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", @@ -301,10 +382,11 @@ on_action_open (GtkAction *action, RaktWindow *window) 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)); + rakt_window_open_document (window, uri); + g_free (uri); } gtk_widget_destroy (dialog); @@ -332,6 +414,23 @@ on_action_go_previous (GtkAction *action, RaktWindow *window) 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) {