#include "ev-transition-animation.h"
#include "ev-view-cursor.h"
#include "ev-page-cache.h"
+#include "ev-view-marshal.h"
enum {
PROP_0,
};
enum {
+ PAGE_CHANGED,
CHANGE_PAGE,
FINISHED,
SIGNAL_EXTERNAL_LINK,
{
GtkWidget base;
+ guint is_constructing : 1;
+
guint current_page;
cairo_surface_t *current_surface;
EvDocument *document;
GtkWidgetClass base_class;
/* signals */
+ void (* page_changed) (EvViewPresentation *pview,
+ gint old_page,
+ gint new_page);
void (* change_page) (EvViewPresentation *pview,
GtkScrollType scroll);
void (* finished) (EvViewPresentation *pview);
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);
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)
}
}
+ g_signal_emit (pview, signals[PAGE_CHANGED], 0, pview->current_page);
+
pview->current_page = page;
if (pview->page_cache)
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;
ev_view_presentation_update_current_page (pview, new_page);
}
-static void
+void
ev_view_presentation_previous_page (EvViewPresentation *pview)
{
gint new_page = 0;
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))
}
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))
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);
gdk_window_set_user_data (window, widget);
gtk_widget_set_window (widget, window);
-
- gdk_window_set_background_rgba (window, &black);
+ gtk_style_context_set_background (gtk_widget_get_style_context (widget),
+ window);
g_idle_add ((GSourceFunc)init_presentation, widget);
}
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);
}
}
+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_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;
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);
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->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,
"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",
g_cclosure_marshal_VOID__ENUM,
G_TYPE_NONE, 1,
GTK_TYPE_SCROLL_TYPE);
+ signals [PAGE_CHANGED] =
+ g_signal_new ("page-changed",
+ EV_TYPE_VIEW_PRESENTATION,
+ G_SIGNAL_RUN_LAST,
+ G_STRUCT_OFFSET (EvViewPresentationClass, page_changed),
+ NULL, NULL,
+ g_cclosure_marshal_VOID__INT,
+ G_TYPE_NONE, 2,
+ G_TYPE_INT, G_TYPE_INT);
signals[FINISHED] =
g_signal_new ("finished",
G_OBJECT_CLASS_TYPE (gobject_class),
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 *
{
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;
+}