X-Git-Url: https://www.fi.muni.cz/~kas/git//home/kas/public_html/git/?a=blobdiff_plain;f=shell%2Fev-presentation-timer.c;h=c17a52e9064a0fc04d28888c8f6e872a1ca82570;hb=dc2eb61c8dfcb2bf4165460b5bdd6b60447a2fee;hp=6c5b93097dffedb645341ed6a072e96255423338;hpb=f28e9ccf4400e87da3fa9960becc6feb2ed041cb;p=evince.git

diff --git a/shell/ev-presentation-timer.c b/shell/ev-presentation-timer.c
index 6c5b9309..c17a52e9 100644
--- a/shell/ev-presentation-timer.c
+++ b/shell/ev-presentation-timer.c
@@ -33,8 +33,12 @@
 
 struct _EvPresentationTimerPrivate
 {
-	guint page;
-	guint pages;
+	gint	   time;
+	gint	   remaining;
+	guint	   page;
+	guint	   pages;
+	guint	   timeout;
+	gboolean   running;
 };
 
 #define EV_PRESENTATION_TIMER_GET_PRIVATE(object) \
@@ -42,37 +46,72 @@ struct _EvPresentationTimerPrivate
 
 G_DEFINE_TYPE (EvPresentationTimer, ev_presentation_timer, GTK_TYPE_DRAWING_AREA);
 
+static gdouble
+ev_presentation_timer_progress (gdouble time, gdouble remaining)
+{
+	return remaining/(time*60);
+}
 
 static gboolean
 ev_presentation_timer_draw(GtkWidget *timer, cairo_t *cr)
 {
-  EvPresentationTimer *ev_timer = EV_PRESENTATION_TIMER(timer);
-  GtkAllocation allocation;
-  gtk_widget_get_allocation (timer, &allocation);
-  //cairo_translate(cr,allocation.x,allocation.y);
-  cairo_set_source_rgb (cr, 0, 0, 0);
-  cairo_select_font_face (cr, "Sans", CAIRO_FONT_SLANT_NORMAL,
-      CAIRO_FONT_WEIGHT_NORMAL);
-  cairo_set_font_size (cr, 40);
-  guint pos = (allocation.width/ev_timer->priv->pages)*ev_timer->priv->page;
-  cairo_move_to (cr, pos, 40);
-  cairo_show_text (cr, "Disziplin ist Macht.");
-
-
+	EvPresentationTimer *ev_timer = EV_PRESENTATION_TIMER(timer);
+	GtkAllocation allocation;
+	gtk_widget_get_allocation (timer, &allocation);
+	cairo_set_source_rgb (cr, 0, 0, 0);
+	cairo_set_line_width (cr, 5);
+	guint pos = (allocation.width/ev_timer->priv->pages)*ev_timer->priv->page;
+	cairo_move_to (cr,pos,2);
+	cairo_line_to (cr,pos,allocation.height);
+	cairo_stroke (cr);
+	if(ev_timer->priv->running && ev_timer->priv->time > 0 && ev_timer->priv->remaining > 0)
+	{
+		gdouble progress = ev_presentation_timer_progress (ev_timer->priv->time,
+								   ev_timer->priv->remaining)*(allocation.width);
+		cairo_rectangle (cr, allocation.width-progress,
+				 10,
+				 (allocation.width-(allocation.width-progress))-10,
+				 allocation.height-5);
+		cairo_stroke_preserve (cr);
+		cairo_fill(cr);
+	}
 	return FALSE;
 }
 
+static gboolean
+timeout_cb (gpointer data)
+{
+	EvPresentationTimer *ev_timer = EV_PRESENTATION_TIMER(data);
+	ev_timer->priv->remaining--;
+
+	if(time >= 0 && ev_timer->priv->remaining >= 0)
+	{
+		gtk_widget_queue_draw(GTK_WIDGET(ev_timer));
+	} else
+		ev_timer->priv->running = FALSE;
+	return ev_timer->priv->running;
+}
+
 void
 ev_presentation_timer_set_pages (EvPresentationTimer *ev_timer, guint pages)
 {
-	ev_timer->priv->pages = pages;
+	if(!EV_IS_PRESENTATION_TIMER (ev_timer))
+		return;
+	ev_timer->priv->pages = pages -1;
 }
 
 void
 ev_presentation_timer_set_page (EvPresentationTimer *ev_timer, guint page)
 {
+	if(!EV_IS_PRESENTATION_TIMER (ev_timer))
+		return;
+	if (page >= ev_timer->priv->pages)
+	{
+		page = ev_timer->priv->pages;
+		ev_timer->priv->running=FALSE;
+	}
 	ev_timer->priv->page = page;
-	 gtk_widget_queue_draw(GTK_WIDGET(ev_timer));
+	gtk_widget_queue_draw(GTK_WIDGET(ev_timer));
 }
 
 static void
@@ -81,6 +120,54 @@ ev_presentation_timer_init (EvPresentationTimer *ev_timer)
 	ev_timer->priv = EV_PRESENTATION_TIMER_GET_PRIVATE (ev_timer);
 	ev_timer->priv->page = 0;
 	ev_timer->priv->pages = 0;
+	ev_timer->priv->remaining = 0;
+	ev_timer->priv->time = 0;
+	ev_timer->priv->timeout = 0;
+	ev_timer->priv->running = FALSE;
+}
+
+void
+ev_presentation_timer_start (EvPresentationTimer *ev_timer)
+{
+	if (!EV_IS_PRESENTATION_TIMER (ev_timer))
+		return;
+	if (ev_timer->priv->running == FALSE)
+	{
+		ev_timer->priv->remaining = (ev_timer->priv->time)*60;
+		ev_timer->priv->running = TRUE;
+		ev_timer->priv->timeout = g_timeout_add_seconds (1, timeout_cb, ev_timer);
+	}
+}
+
+void
+ev_presentation_timer_stop (EvPresentationTimer *ev_timer)
+{
+	if (!EV_IS_PRESENTATION_TIMER (ev_timer))
+		return;
+	if (ev_timer->priv->timeout > 0)
+		g_source_remove (ev_timer->priv->timeout);
+	ev_timer->priv->remaining = 0;
+}
+
+void
+ev_presentation_timer_set_time (EvPresentationTimer *ev_timer,
+				gint time)
+{
+	if (!EV_IS_PRESENTATION_TIMER (ev_timer))
+		return;
+	if(ev_timer->priv->running)
+		ev_timer->priv->remaining = ((ev_timer->priv->remaining)/(ev_timer->priv->time)*time);
+	ev_timer->priv->time = (time < -1)? -1:time;
+}
+
+static void
+ev_presentation_timer_dispose (GObject *gobject)
+{
+	EvPresentationTimer *ev_timer = EV_PRESENTATION_TIMER (gobject);
+	EvPresentationTimerPrivate *priv = EV_PRESENTATION_TIMER (ev_timer)->priv;
+	if (priv->timeout > 0)
+		g_source_remove (priv->timeout);
+	G_OBJECT_CLASS (ev_presentation_timer_parent_class)->dispose (gobject);
 }
 
 static void
@@ -88,11 +175,9 @@ ev_presentation_timer_class_init (EvPresentationTimerClass *klass)
 {
 	GObjectClass    *object_class = G_OBJECT_CLASS (klass);
 	GtkWidgetClass  *widget_class = GTK_WIDGET_CLASS (klass);
-	//GtkDrawingAreaClass     *drawing_area_class = GTK_DRAWING_AREA_CLASS (klass);
 	g_type_class_add_private (object_class, sizeof (EvPresentationTimerPrivate));
 	widget_class->draw = ev_presentation_timer_draw;
-
-	/*object_class->finalize = ev_presentation_timer_finalize;*/
+	object_class->dispose =  ev_presentation_timer_dispose;
 }
 
 GtkWidget *