Automatically hide the fullscreen button. Patch by Kristian Høgsberg

2005-02-16  Marco Pesenti Gritti  <marco@gnome.org>

        * shell/ev-view.c: (ev_view_realize), (highlight_find_results),
        (ev_view_create_invisible_cursor), (ev_view_set_cursor),
        (set_document_page), (document_changed_callback),
        (ev_view_set_document), (ev_view_find_previous),
        (ev_view_hide_cursor), (ev_view_show_cursor):
        * shell/ev-view.h:
        * shell/ev-window.c: (update_chrome_visibility),
        (fullscreen_timeout_cb), (fullscreen_set_timeout),
        (fullscreen_clear_timeout), (fullscreen_motion_notify_cb),
        (fullscreen_leave_notify_cb), (ev_window_fullscreen),
        (ev_window_unfullscreen):
        * shell/main.c: (main):

        Automatically hide the fullscreen button.
        Patch by Kristian Høgsberg <krh@redhat.com>

4 files changed, 162 insertions, 11 deletions

diff --git a/ChangeLog b/ChangeLog
index 73f6e5d..c0d5a39 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,21 @@
+2005-02-16  Marco Pesenti Gritti  <marco@gnome.org>
+
+	* shell/ev-view.c: (ev_view_realize), (highlight_find_results),
+	(ev_view_create_invisible_cursor), (ev_view_set_cursor),
+	(set_document_page), (document_changed_callback),
+	(ev_view_set_document), (ev_view_find_previous),
+	(ev_view_hide_cursor), (ev_view_show_cursor):
+	* shell/ev-view.h:
+	* shell/ev-window.c: (update_chrome_visibility),
+	(fullscreen_timeout_cb), (fullscreen_set_timeout),
+	(fullscreen_clear_timeout), (fullscreen_motion_notify_cb),
+	(fullscreen_leave_notify_cb), (ev_window_fullscreen),
+	(ev_window_unfullscreen):
+	* shell/main.c: (main):
+
+	Automatically hide the fullscreen button.
+	Patch by Kristian Høgsberg <krh@redhat.com>
+
 2005-02-16  Vincent Noel  <vnoel@cox.net>
 
 	* shell/main.c (main): Specify an icon for the window. Patch by
diff --git a/shell/ev-view.c b/shell/ev-view.c
index 095bd24..4550292 100644
--- a/shell/ev-view.c
+++ b/shell/ev-view.c
@@ -60,7 +60,8 @@ static const GtkTargetEntry targets[] = {
 typedef enum {
 	EV_VIEW_CURSOR_NORMAL,
 	EV_VIEW_CURSOR_LINK,
-	EV_VIEW_CURSOR_WAIT
+	EV_VIEW_CURSOR_WAIT,
+	EV_VIEW_CURSOR_HIDDEN
 } EvViewCursor;
 
 #define ZOOM_IN_FACTOR  1.2
@@ -310,7 +311,8 @@ ev_view_realize (GtkWidget *widget)
 				GDK_BUTTON_RELEASE_MASK |
 				GDK_SCROLL_MASK |
 				GDK_KEY_PRESS_MASK |
-				GDK_POINTER_MOTION_MASK;
+				GDK_POINTER_MOTION_MASK |
+		                GDK_LEAVE_NOTIFY_MASK;
   
 	view->bin_window = gdk_window_new (widget->window,
 					   &attributes,
@@ -399,9 +401,13 @@ draw_rubberband (GtkWidget *widget, GdkWindow *window,
 static void
 highlight_find_results (EvView *view)
 {
-	EvDocumentFind *find = EV_DOCUMENT_FIND (view->document);
+	EvDocumentFind *find;
 	int i, results;
 
+	g_return_if_fail (EV_IS_DOCUMENT_FIND (view->document));
+
+	find = EV_DOCUMENT_FIND (view->document);
+
 	results = ev_document_find_get_n_results (find);
 
 	for (i = 0; i < results; i++) {
@@ -633,6 +639,17 @@ ev_view_set_find_status (EvView *view, const char *message)
 	g_object_notify (G_OBJECT (view), "find-status");
 }
 
+static GdkCursor *
+ev_view_create_invisible_cursor(void)
+{
+       GdkBitmap *empty;
+       GdkColor black = { 0, 0, 0, 0 };
+       static unsigned char bits[] = { 0x00 };
+
+       empty = gdk_bitmap_create_from_data (NULL, bits, 1, 1);
+
+       return gdk_cursor_new_from_pixmap (empty, empty, &black, &black, 0, 0);
+}
 
 static void
 ev_view_set_cursor (EvView *view, EvViewCursor new_cursor)
@@ -659,6 +676,10 @@ ev_view_set_cursor (EvView *view, EvViewCursor new_cursor)
 		case EV_VIEW_CURSOR_WAIT:
 			cursor = gdk_cursor_new_for_display (display, GDK_WATCH);
 			break;
+                case EV_VIEW_CURSOR_HIDDEN:
+                        cursor = ev_view_create_invisible_cursor ();
+                        break;
+
 	}
 
 	if (cursor) {
@@ -1012,7 +1033,9 @@ set_document_page (EvView *view, int new_page)
 					   &old_width, &old_height);
 
 		if (old_page != page) {
-			ev_view_set_cursor (view, EV_VIEW_CURSOR_WAIT);
+			if (view->cursor != EV_VIEW_CURSOR_HIDDEN) {
+				ev_view_set_cursor (view, EV_VIEW_CURSOR_WAIT);
+			}
 			ev_document_set_page (view->document, page);
 		}
 
@@ -1032,10 +1055,9 @@ set_document_page (EvView *view, int new_page)
 						  view->vadjustment->lower);
 		}
 
-		view->find_page = page;
-		view->find_result = 0;
-
 		if (EV_IS_DOCUMENT_FIND (view->document)) {
+			view->find_page = page;
+			view->find_result = 0;
 			update_find_status_message (view);
 		}
 	}
@@ -1137,7 +1159,10 @@ document_changed_callback (EvDocument *document,
 			   EvView     *view)
 {
 	gtk_widget_queue_draw (GTK_WIDGET (view));
-	ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
+
+	if (view->cursor != EV_VIEW_CURSOR_HIDDEN) {
+		ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
+	}
 }
 
 /*** Public API ***/       
@@ -1156,8 +1181,9 @@ ev_view_set_document (EvView     *view,
 
 	if (document != view->document) {
 		if (view->document) {
-                        g_signal_handlers_disconnect_by_func
-				(view->document, find_changed_cb, view);
+                        g_signal_handlers_disconnect_by_func (view->document,
+                                                              find_changed_cb,
+                                                              view);
 			g_object_unref (view->document);
                 }
 
@@ -1424,3 +1450,14 @@ ev_view_find_previous (EvView *view)
 		gtk_widget_queue_draw (GTK_WIDGET (view));
 	}
 }
+void
+ev_view_hide_cursor (EvView *view)
+{
+       ev_view_set_cursor (view, EV_VIEW_CURSOR_HIDDEN);
+}
+
+void
+ev_view_show_cursor (EvView *view)
+{
+       ev_view_set_cursor (view, EV_VIEW_CURSOR_LINK);
+}
diff --git a/shell/ev-view.h b/shell/ev-view.h
index 5feb0f7..2fdb38a 100644
--- a/shell/ev-view.h
+++ b/shell/ev-view.h
@@ -78,6 +78,10 @@ void            ev_view_find_previous   (EvView     *view);
 const char     *ev_view_get_status      (EvView     *view);
 const char     *ev_view_get_find_status (EvView     *view);
 
+/* Cursor */
+void           ev_view_hide_cursor     (EvView     *view);
+void           ev_view_show_cursor     (EvView     *view);
+
 G_END_DECLS
 
 #endif /* __EV_VIEW_H__ */
diff --git a/shell/ev-window.c b/shell/ev-window.c
index 27a6f60..387e998 100644
--- a/shell/ev-window.c
+++ b/shell/ev-window.c
@@ -108,6 +108,7 @@ struct _EvWindowPrivate {
 	EvChrome chrome;
 	gboolean fullscreen_mode;
 	EvSizingMode sizing_mode;
+	GSource *fullscreen_timeout_source;
 };
 
 static GtkTargetEntry ev_drop_types[] = {
@@ -222,7 +223,7 @@ update_chrome_visibility (EvWindow *window)
 
 	menubar = (priv->chrome & EV_CHROME_MENUBAR) != 0 && !priv->fullscreen_mode;
 	toolbar = (priv->chrome & EV_CHROME_TOOLBAR) != 0;
-	sidebar = (priv->chrome & EV_CHROME_SIDEBAR) != 0;
+	sidebar = (priv->chrome & EV_CHROME_SIDEBAR) != 0 && !priv->fullscreen_mode;
 	findbar = (priv->chrome & EV_CHROME_FINDBAR) != 0;
 	statusbar = (priv->chrome & EV_CHROME_STATUSBAR) != 0 && !priv->fullscreen_mode;
 
@@ -1038,6 +1039,71 @@ fullscreen_popup_size_request_cb (GtkWidget *popup, GtkRequisition *req, EvWindo
 	ev_window_update_fullscreen_popup (window);
 }
 
+static gboolean
+fullscreen_timeout_cb (gpointer data)
+{
+	EvWindow *window = EV_WINDOW (data);
+
+	g_object_set (window->priv->toolbar_dock, "visible", FALSE, NULL);
+	ev_view_hide_cursor (EV_VIEW (window->priv->view));
+	window->priv->fullscreen_timeout_source = NULL;
+
+	return FALSE;
+}
+
+static void
+fullscreen_set_timeout (EvWindow *window)
+{
+	GSource *source;
+
+	if (window->priv->fullscreen_timeout_source != NULL)
+		g_source_destroy (window->priv->fullscreen_timeout_source);
+
+	source = g_timeout_source_new (1000);
+	g_source_set_callback (source, fullscreen_timeout_cb, window, NULL);
+	g_source_attach (source, NULL);
+	window->priv->fullscreen_timeout_source = source;
+}
+
+static void
+fullscreen_clear_timeout (EvWindow *window)
+{
+	if (window->priv->fullscreen_timeout_source != NULL)
+		g_source_destroy (window->priv->fullscreen_timeout_source);
+
+	window->priv->fullscreen_timeout_source = NULL;
+	ev_view_show_cursor (EV_VIEW (window->priv->view));
+}
+
+static gboolean
+fullscreen_motion_notify_cb (GtkWidget *widget,
+			     GdkEventMotion *event,
+			     gpointer user_data)
+{
+	EvWindow *window = EV_WINDOW (user_data);
+
+	if (!GTK_WIDGET_VISIBLE (window->priv->exit_fullscreen_popup)) {
+		g_object_set (window->priv->toolbar_dock, "visible", TRUE, NULL);
+		ev_view_show_cursor (EV_VIEW (window->priv->view));
+	}
+
+	fullscreen_set_timeout (window);
+
+	return FALSE;
+}
+
+static gboolean
+fullscreen_leave_notify_cb (GtkWidget *widget,
+			    GdkEventCrossing *event,
+			    gpointer user_data)
+{
+	EvWindow *window = EV_WINDOW (user_data);
+
+	fullscreen_clear_timeout (window);
+
+	return FALSE;
+}
+
 static void
 ev_window_fullscreen (EvWindow *window)
 {
@@ -1079,6 +1145,22 @@ ev_window_fullscreen (EvWindow *window)
 
 	update_chrome_visibility (window);
 
+	g_object_set (G_OBJECT (window->priv->scrolled_window),
+		      "shadow-type", GTK_SHADOW_NONE,
+		      NULL);
+
+	g_signal_connect (window->priv->view,
+			  "motion-notify-event",
+			  G_CALLBACK (fullscreen_motion_notify_cb),
+			  window);
+	g_signal_connect (window->priv->view,
+			  "leave-notify-event",
+			  G_CALLBACK (fullscreen_leave_notify_cb),
+			  window);
+	fullscreen_set_timeout (window);
+
+	gtk_widget_grab_focus (window->priv->view);
+
 	ev_window_update_fullscreen_popup (window);
 }
 
@@ -1087,6 +1169,16 @@ ev_window_unfullscreen (EvWindow *window)
 {
 	window->priv->fullscreen_mode = FALSE;
 
+	g_object_set (G_OBJECT (window->priv->scrolled_window),
+		      "shadow-type", GTK_SHADOW_IN,
+		      NULL);
+
+	fullscreen_clear_timeout (window);
+
+	g_signal_handlers_disconnect_by_func (window->priv->view,
+					      (gpointer) fullscreen_motion_notify_cb,
+					      window);
+
 	destroy_exit_fullscreen_popup (window);
 
 	update_chrome_visibility (window);