]> www.fi.muni.cz Git - evince.git/blobdiff - libview/ev-view-presentation.c
[presentation] playing with signals, I need to know that window was moved/resized
[evince.git] / libview / ev-view-presentation.c
index fa79f1042bbc5e0d648453659c8f0cd832c33e48..be8c336c35bf5d96b214ca0d7d91ba150ee8ace5 100644 (file)
 #include "ev-view-cursor.h"
 #include "ev-page-cache.h"
 
+
+
 enum {
        PROP_0,
        PROP_DOCUMENT,
        PROP_CURRENT_PAGE,
+       PROP_PAGE,
        PROP_ROTATION,
        PROP_INVERTED_COLORS
 };
@@ -42,6 +45,7 @@ enum {
 enum {
        CHANGE_PAGE,
        FINISHED,
+        SIGNAL_EXTERNAL_LINK,
        N_SIGNALS
 };
 
@@ -56,6 +60,8 @@ struct _EvViewPresentation
 {
        GtkWidget base;
 
+        guint                  is_constructing : 1;
+
        guint                  current_page;
        cairo_surface_t       *current_surface;
        EvDocument            *document;
@@ -94,15 +100,15 @@ struct _EvViewPresentationClass
        GtkWidgetClass base_class;
 
        /* signals */
-       void (* change_page) (EvViewPresentation *pview,
-                             GtkScrollType       scroll);
-       void (* finished)    (EvViewPresentation *pview);
+       void (* change_page)   (EvViewPresentation *pview,
+                                GtkScrollType       scroll);
+       void (* finished)      (EvViewPresentation *pview);
+        void (* external_link) (EvViewPresentation *pview,
+                                EvLinkAction       *action);
 };
 
 static guint signals[N_SIGNALS] = { 0 };
 
-static void ev_view_presentation_next_page               (EvViewPresentation *pview);
-static void ev_view_presentation_previous_page           (EvViewPresentation *pview);
 static void ev_view_presentation_set_cursor_for_location (EvViewPresentation *pview,
                                                          gdouble             x,
                                                          gdouble             y);
@@ -111,18 +117,19 @@ static void ev_view_presentation_set_cursor_for_location (EvViewPresentation *pv
 
 G_DEFINE_TYPE (EvViewPresentation, ev_view_presentation, GTK_TYPE_WIDGET)
 
+static GdkRGBA black = { 0., 0., 0., 1. };
+static GdkRGBA white = { 1., 1., 1., 1. };
+
 static void
 ev_view_presentation_set_normal (EvViewPresentation *pview)
 {
        GtkWidget *widget = GTK_WIDGET (pview);
-       GtkStyle  *style;
 
        if (pview->state == EV_PRESENTATION_NORMAL)
                return;
 
        pview->state = EV_PRESENTATION_NORMAL;
-       style = gtk_widget_get_style (widget);
-       gdk_window_set_background (gtk_widget_get_window (widget), &style->black);
+       gdk_window_set_background_rgba (gtk_widget_get_window (widget), &black);
        gtk_widget_queue_draw (widget);
 }
 
@@ -130,14 +137,12 @@ static void
 ev_view_presentation_set_black (EvViewPresentation *pview)
 {
        GtkWidget *widget = GTK_WIDGET (pview);
-       GtkStyle  *style;
 
        if (pview->state == EV_PRESENTATION_BLACK)
                return;
 
        pview->state = EV_PRESENTATION_BLACK;
-       style = gtk_widget_get_style (widget);
-       gdk_window_set_background (gtk_widget_get_window (widget), &style->black);
+       gdk_window_set_background_rgba (gtk_widget_get_window (widget), &black);
        gtk_widget_queue_draw (widget);
 }
 
@@ -145,14 +150,12 @@ static void
 ev_view_presentation_set_white (EvViewPresentation *pview)
 {
        GtkWidget *widget = GTK_WIDGET (pview);
-       GtkStyle  *style;
 
        if (pview->state == EV_PRESENTATION_WHITE)
                return;
 
        pview->state = EV_PRESENTATION_WHITE;
-       style = gtk_widget_get_style (widget);
-       gdk_window_set_background (gtk_widget_get_window (widget), &style->white);
+       gdk_window_set_background_rgba (gtk_widget_get_window (widget), &white);
        gtk_widget_queue_draw (widget);
 }
 
@@ -381,6 +384,25 @@ ev_view_presentation_delete_job (EvViewPresentation *pview,
        g_object_unref (job);
 }
 
+static void
+ev_view_presentation_reset_jobs (EvViewPresentation *pview)
+{
+        if (pview->curr_job) {
+                ev_view_presentation_delete_job (pview, pview->curr_job);
+                pview->curr_job = NULL;
+        }
+
+        if (pview->prev_job) {
+                ev_view_presentation_delete_job (pview, pview->prev_job);
+                pview->prev_job = NULL;
+        }
+
+        if (pview->next_job) {
+                ev_view_presentation_delete_job (pview, pview->next_job);
+                pview->next_job = NULL;
+        }
+}
+
 static void
 ev_view_presentation_update_current_page (EvViewPresentation *pview,
                                          guint               page)
@@ -470,6 +492,7 @@ ev_view_presentation_update_current_page (EvViewPresentation *pview,
        }
 
        pview->current_page = page;
+       g_object_notify (G_OBJECT(pview), "page");
 
        if (pview->page_cache)
                ev_page_cache_set_page_range (pview->page_cache, page, page);
@@ -485,7 +508,20 @@ ev_view_presentation_update_current_page (EvViewPresentation *pview,
                gtk_widget_queue_draw (GTK_WIDGET (pview));
 }
 
-static void
+void
+ev_view_presentation_set_page (EvViewPresentation *pview, gint new_page)
+{
+               guint n_pages;
+
+       n_pages = ev_document_get_n_pages (pview->document);
+
+       if (new_page >= n_pages)
+               ev_view_presentation_set_end (pview);
+       else
+               ev_view_presentation_update_current_page (pview, new_page);
+}
+
+void
 ev_view_presentation_next_page (EvViewPresentation *pview)
 {
        guint n_pages;
@@ -510,7 +546,7 @@ ev_view_presentation_next_page (EvViewPresentation *pview)
                ev_view_presentation_update_current_page (pview, new_page);
 }
 
-static void
+void
 ev_view_presentation_previous_page (EvViewPresentation *pview)
 {
        gint new_page = 0;
@@ -630,9 +666,9 @@ ev_view_presentation_goto_window_create (EvViewPresentation *pview)
        GtkWindow *toplevel, *goto_window;
 
        toplevel = GTK_WINDOW (gtk_widget_get_toplevel (GTK_WIDGET (pview)));
-       goto_window = GTK_WINDOW (pview->goto_window);
 
        if (pview->goto_window) {
+                goto_window = GTK_WINDOW (pview->goto_window);
                if (gtk_window_has_group (toplevel))
                        gtk_window_group_add_window (gtk_window_get_group (toplevel), goto_window);
                else if (gtk_window_has_group (goto_window))
@@ -642,6 +678,7 @@ ev_view_presentation_goto_window_create (EvViewPresentation *pview)
        }
 
        pview->goto_window = gtk_window_new (GTK_WINDOW_POPUP);
+        goto_window = GTK_WINDOW (pview->goto_window);
        gtk_window_set_screen (goto_window, gtk_widget_get_screen (GTK_WIDGET (pview)));
 
        if (gtk_window_has_group (toplevel))
@@ -735,6 +772,9 @@ ev_view_presentation_link_is_supported (EvViewPresentation *pview,
        case EV_LINK_ACTION_TYPE_GOTO_DEST:
                return ev_link_action_get_dest (action) != NULL;
        case EV_LINK_ACTION_TYPE_NAMED:
+        case EV_LINK_ACTION_TYPE_GOTO_REMOTE:
+        case EV_LINK_ACTION_TYPE_EXTERNAL_URI:
+        case EV_LINK_ACTION_TYPE_LAUNCH:
                return TRUE;
        default:
                return FALSE;
@@ -793,14 +833,15 @@ ev_view_presentation_get_link_at_location (EvViewPresentation *pview,
 }
 
 static void
-ev_vew_presentation_goto_link_dest (EvViewPresentation *pview,
-                                   EvLink             *link)
+ev_vew_presentation_handle_link (EvViewPresentation *pview,
+                                 EvLink             *link)
 {
        EvLinkAction *action;
 
        action = ev_link_get_action (link);
 
-       if (ev_link_action_get_action_type (action) == EV_LINK_ACTION_TYPE_NAMED) {
+        switch (ev_link_action_get_action_type (action)) {
+       case EV_LINK_ACTION_TYPE_NAMED: {
                const gchar *name = ev_link_action_get_name (action);
 
                if (g_ascii_strcasecmp (name, "FirstPage") == 0) {
@@ -815,13 +856,25 @@ ev_vew_presentation_goto_link_dest (EvViewPresentation *pview,
                        n_pages = ev_document_get_n_pages (pview->document);
                        ev_view_presentation_update_current_page (pview, n_pages - 1);
                }
-       } else {
+        }
+                break;
+
+       case EV_LINK_ACTION_TYPE_GOTO_DEST: {
                EvLinkDest *dest;
                gint        page;
 
                dest = ev_link_action_get_dest (action);
                page = ev_document_links_get_dest_page (EV_DOCUMENT_LINKS (pview->document), dest);
                ev_view_presentation_update_current_page (pview, page);
+        }
+                break;
+        case EV_LINK_ACTION_TYPE_GOTO_REMOTE:
+        case EV_LINK_ACTION_TYPE_EXTERNAL_URI:
+        case EV_LINK_ACTION_TYPE_LAUNCH:
+                g_signal_emit (pview, signals[SIGNAL_EXTERNAL_LINK], 0, action);
+                break;
+        default:
+                break;
        }
 }
 
@@ -846,7 +899,7 @@ ev_view_presentation_set_cursor (EvViewPresentation *pview,
        gdk_window_set_cursor (gtk_widget_get_window (widget), cursor);
        gdk_flush ();
        if (cursor)
-               gdk_cursor_unref (cursor);
+               g_object_unref (cursor);
 }
 
 static void
@@ -913,21 +966,7 @@ ev_view_presentation_dispose (GObject *object)
        ev_view_presentation_animation_cancel (pview);
        ev_view_presentation_transition_stop (pview);
        ev_view_presentation_hide_cursor_timeout_stop (pview);
-
-       if (pview->curr_job) {
-               ev_view_presentation_delete_job (pview, pview->curr_job);
-               pview->curr_job = NULL;
-       }
-
-       if (pview->prev_job) {
-               ev_view_presentation_delete_job (pview, pview->prev_job);
-               pview->prev_job = NULL;
-       }
-
-       if (pview->next_job) {
-               ev_view_presentation_delete_job (pview, pview->next_job);
-               pview->next_job = NULL;
-       }
+        ev_view_presentation_reset_jobs (pview);
 
        if (pview->current_surface) {
                cairo_surface_destroy (pview->current_surface);
@@ -949,11 +988,19 @@ ev_view_presentation_dispose (GObject *object)
 }
 
 static void
-ev_view_presentation_size_request (GtkWidget      *widget,
-                                  GtkRequisition *requisition)
+ev_view_presentation_get_preferred_width (GtkWidget *widget,
+                                          gint      *minimum,
+                                          gint      *natural)
 {
-       requisition->width = 0;
-       requisition->height = 0;
+        *minimum = *natural = 0;
+}
+
+static void
+ev_view_presentation_get_preferred_height (GtkWidget *widget,
+                                           gint      *minimum,
+                                           gint      *natural)
+{
+        *minimum = *natural = 0;
 }
 
 static void
@@ -984,15 +1031,8 @@ ev_view_presentation_draw_end_page (EvViewPresentation *pview,
        area.width = allocation.width;
        area.height = allocation.height;
 
-        gtk_paint_layout (gtk_widget_get_style (widget),
-                          cr,
-                          gtk_widget_get_state (widget),
-                          FALSE,
-                          widget,
-                          NULL,
-                          15,
-                          15,
-                          layout);
+        gtk_render_layout (gtk_widget_get_style_context (widget),
+                           cr, 15, 15, layout);
 
        pango_font_description_free (font_desc);
        g_object_unref (layout);
@@ -1156,7 +1196,7 @@ ev_view_presentation_button_release_event (GtkWidget      *widget,
                                                                  event->x,
                                                                  event->y);
                if (link)
-                       ev_vew_presentation_goto_link_dest (pview, link);
+                       ev_vew_presentation_handle_link (pview, link);
                else
                        ev_view_presentation_next_page (pview);
        }
@@ -1195,6 +1235,18 @@ ev_view_presentation_motion_notify_event (GtkWidget      *widget,
        return FALSE;
 }
 
+void ev_view_presentation_resize_cb (EvViewPresentation *pview,
+                                                                gpointer data)
+ {
+       GdkScreen                  *screen = gtk_widget_get_screen (GTK_WIDGET(pview));
+       GdkRectangle        monitor;
+       gint                monitor_num;
+
+       monitor_num = gdk_screen_get_monitor_at_window (screen, gtk_widget_get_window (GTK_WIDGET(pview)));
+       gdk_screen_get_monitor_geometry (screen, monitor_num, &monitor);
+       g_printf("%d %d\n",monitor.width,monitor.height);
+ }
+
 static gboolean
 init_presentation (GtkWidget *widget)
 {
@@ -1203,6 +1255,10 @@ init_presentation (GtkWidget *widget)
        GdkRectangle        monitor;
        gint                monitor_num;
 
+       g_signal_connect_swapped(G_OBJECT(screen), "size-changed",
+        G_CALLBACK(ev_view_presentation_resize_cb),G_OBJECT(pview));
+
+
        monitor_num = gdk_screen_get_monitor_at_window (screen, gtk_widget_get_window (widget));
        gdk_screen_get_monitor_geometry (screen, monitor_num, &monitor);
        pview->monitor_width = monitor.width;
@@ -1217,10 +1273,9 @@ init_presentation (GtkWidget *widget)
 static void
 ev_view_presentation_realize (GtkWidget *widget)
 {
-       GdkWindow    *window;
-       GtkStyle     *style;
-       GdkWindowAttr attributes;
-       GtkAllocation allocation;
+       GdkWindow     *window;
+       GdkWindowAttr  attributes;
+       GtkAllocation  allocation;
 
        gtk_widget_set_realized (widget, TRUE);
 
@@ -1250,10 +1305,8 @@ ev_view_presentation_realize (GtkWidget *widget)
 
        gdk_window_set_user_data (window, widget);
        gtk_widget_set_window (widget, window);
-
-       gtk_widget_style_attach (widget);
-       style = gtk_widget_get_style (widget);
-       gdk_window_set_background (window, &style->black);
+        gtk_style_context_set_background (gtk_widget_get_style_context (widget),
+                                          window);
 
        g_idle_add ((GSourceFunc)init_presentation, widget);
 }
@@ -1332,8 +1385,11 @@ ev_view_presentation_set_property (GObject      *object,
        case PROP_CURRENT_PAGE:
                pview->current_page = g_value_get_uint (value);
                break;
+       case PROP_PAGE:
+               pview->current_page = g_value_get_uint (value);
+               break;
        case PROP_ROTATION:
-               pview->rotation = g_value_get_uint (value);
+                ev_view_presentation_set_rotation (pview, g_value_get_uint (value));
                break;
        case PROP_INVERTED_COLORS:
                pview->inverted_colors = g_value_get_boolean (value);
@@ -1343,10 +1399,30 @@ ev_view_presentation_set_property (GObject      *object,
        }
 }
 
+static void
+ev_view_presentation_get_property (GObject    *object,
+                                   guint       prop_id,
+                                   GValue     *value,
+                                   GParamSpec *pspec)
+{
+        EvViewPresentation *pview = EV_VIEW_PRESENTATION (object);
+
+        switch (prop_id) {
+               case PROP_PAGE:
+                               g_value_set_uint (value, ev_view_presentation_get_current_page (pview));
+                               break;
+        case PROP_ROTATION:
+                g_value_set_uint (value, ev_view_presentation_get_rotation (pview));
+                break;
+        default:
+                G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+        }
+}
+
 static GObject *
 ev_view_presentation_constructor (GType                  type,
-                                 guint                  n_construct_properties,
-                                 GObjectConstructParam *construct_params)
+                                                                 guint                  n_construct_properties,
+                                                                 GObjectConstructParam *construct_params)
 {
        GObject            *object;
        EvViewPresentation *pview;
@@ -1355,6 +1431,7 @@ ev_view_presentation_constructor (GType                  type,
                                                                                  n_construct_properties,
                                                                                  construct_params);
        pview = EV_VIEW_PRESENTATION (object);
+        pview->is_constructing = FALSE;
 
        if (EV_IS_DOCUMENT_LINKS (pview->document)) {
                pview->page_cache = ev_page_cache_new (pview->document);
@@ -1370,12 +1447,14 @@ ev_view_presentation_class_init (EvViewPresentationClass *klass)
        GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
        GObjectClass   *gobject_class = G_OBJECT_CLASS (klass);
        GtkBindingSet  *binding_set;
+        GtkCssProvider *provider;
 
        klass->change_page = ev_view_presentation_change_page;
 
         gobject_class->dispose = ev_view_presentation_dispose;
 
-       widget_class->size_request = ev_view_presentation_size_request;
+       widget_class->get_preferred_width = ev_view_presentation_get_preferred_width;
+       widget_class->get_preferred_height = ev_view_presentation_get_preferred_height;
        widget_class->realize = ev_view_presentation_realize;
         widget_class->draw = ev_view_presentation_draw;
        widget_class->key_press_event = ev_view_presentation_key_press_event;
@@ -1386,6 +1465,7 @@ ev_view_presentation_class_init (EvViewPresentationClass *klass)
 
        gobject_class->constructor = ev_view_presentation_constructor;
        gobject_class->set_property = ev_view_presentation_set_property;
+        gobject_class->get_property = ev_view_presentation_get_property;
 
        g_object_class_install_property (gobject_class,
                                         PROP_DOCUMENT,
@@ -1395,13 +1475,20 @@ ev_view_presentation_class_init (EvViewPresentationClass *klass)
                                                              EV_TYPE_DOCUMENT,
                                                              G_PARAM_WRITABLE |
                                                              G_PARAM_CONSTRUCT_ONLY));
+       g_object_class_install_property (gobject_class,
+                                        PROP_PAGE,
+                                        g_param_spec_uint ("page",
+                                                           "Current Page",
+                                                           "The current page",
+                                                           0, G_MAXUINT, 0,
+                                                               G_PARAM_READWRITE));
        g_object_class_install_property (gobject_class,
                                         PROP_CURRENT_PAGE,
                                         g_param_spec_uint ("current_page",
                                                            "Current Page",
                                                            "The current page",
                                                            0, G_MAXUINT, 0,
-                                                           G_PARAM_WRITABLE |
+                                                               G_PARAM_WRITABLE |
                                                            G_PARAM_CONSTRUCT_ONLY));
        g_object_class_install_property (gobject_class,
                                         PROP_ROTATION,
@@ -1409,8 +1496,8 @@ ev_view_presentation_class_init (EvViewPresentationClass *klass)
                                                            "Rotation",
                                                            "Current rotation angle",
                                                            0, 360, 0,
-                                                           G_PARAM_WRITABLE |
-                                                           G_PARAM_CONSTRUCT_ONLY));
+                                                           G_PARAM_READWRITE |
+                                                           G_PARAM_CONSTRUCT));
        g_object_class_install_property (gobject_class,
                                         PROP_INVERTED_COLORS,
                                         g_param_spec_boolean ("inverted_colors",
@@ -1429,6 +1516,7 @@ ev_view_presentation_class_init (EvViewPresentationClass *klass)
                              g_cclosure_marshal_VOID__ENUM,
                              G_TYPE_NONE, 1,
                              GTK_TYPE_SCROLL_TYPE);
+
        signals[FINISHED] =
                g_signal_new ("finished",
                              G_OBJECT_CLASS_TYPE (gobject_class),
@@ -1438,6 +1526,15 @@ ev_view_presentation_class_init (EvViewPresentationClass *klass)
                              g_cclosure_marshal_VOID__VOID,
                              G_TYPE_NONE, 0,
                              G_TYPE_NONE);
+        signals[SIGNAL_EXTERNAL_LINK] =
+                g_signal_new ("external-link",
+                              G_TYPE_FROM_CLASS (gobject_class),
+                              G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
+                              G_STRUCT_OFFSET (EvViewPresentationClass, external_link),
+                              NULL, NULL,
+                              g_cclosure_marshal_VOID__OBJECT,
+                              G_TYPE_NONE, 1,
+                              G_TYPE_OBJECT);
 
        binding_set = gtk_binding_set_by_class (klass);
        add_change_page_binding_keypad (binding_set, GDK_KEY_Left,  0, GTK_SCROLL_PAGE_BACKWARD);
@@ -1468,12 +1565,23 @@ ev_view_presentation_class_init (EvViewPresentationClass *klass)
        gtk_binding_entry_add_signal (binding_set, GDK_KEY_K, 0,
                                      "change_page", 1,
                                      GTK_TYPE_SCROLL_TYPE, GTK_SCROLL_PAGE_BACKWARD);
+
+        provider = gtk_css_provider_new ();
+        gtk_css_provider_load_from_data (provider,
+                                         "EvViewPresentation {\n"
+                                         " background-color: black; }",
+                                         -1, NULL);
+        gtk_style_context_add_provider_for_screen (gdk_screen_get_default (),
+                                                   GTK_STYLE_PROVIDER (provider),
+                                                   GTK_STYLE_PROVIDER_PRIORITY_APPLICATION);
+        g_object_unref (provider);
 }
 
 static void
 ev_view_presentation_init (EvViewPresentation *pview)
 {
        gtk_widget_set_can_focus (GTK_WIDGET (pview), TRUE);
+        pview->is_constructing = TRUE;
 }
 
 GtkWidget *
@@ -1498,3 +1606,31 @@ ev_view_presentation_get_current_page (EvViewPresentation *pview)
 {
        return pview->current_page;
 }
+
+void
+ev_view_presentation_set_rotation (EvViewPresentation *pview,
+                                   gint                rotation)
+{
+        if (rotation >= 360)
+                rotation -= 360;
+        else if (rotation < 0)
+                rotation += 360;
+
+        if (pview->rotation == rotation)
+                return;
+
+        pview->rotation = rotation;
+        g_object_notify (G_OBJECT (pview), "rotation");
+        if (pview->is_constructing)
+                return;
+
+        pview->scale = 0;
+        ev_view_presentation_reset_jobs (pview);
+        ev_view_presentation_update_current_page (pview, pview->current_page);
+}
+
+guint
+ev_view_presentation_get_rotation (EvViewPresentation *pview)
+{
+        return pview->rotation;
+}