[dualscreen] cleanup [timer] let's call this stable

[evince.git] / shell / ev-presentation-timer.c

diff --git a/shell/ev-presentation-timer.c b/shell/ev-presentation-timer.c
index abf5d6d8fceebc143db58a2d9ddef3120678c418..3b2a000dda055f636942eccb1e335bf77fb9875e 100644 (file)
--- a/shell/ev-presentation-timer.c
+++ b/shell/ev-presentation-timer.c
@@ -33,7 +33,11 @@
 
 struct _EvPresentationTimerPrivate
 {
-       cairo_surface_t *surface;
+       gint       time;
+       gint       remaining;
+       guint      page;
+       guint      pages;
+       guint      running;
 };
 
 #define EV_PRESENTATION_TIMER_GET_PRIVATE(object) \
@@ -41,25 +45,102 @@ 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)
 {
-  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, 40.0);
+       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--;
 
-  cairo_move_to(cr, 10.0, 50.0);
-  cairo_show_text(cr, "Disziplin ist Macht.");
+       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;
+}
 
-       return FALSE;
+void
+ev_presentation_timer_set_pages (EvPresentationTimer *ev_timer, guint pages)
+{
+       ev_timer->priv->pages = pages -1;
+}
+
+void
+ev_presentation_timer_set_page (EvPresentationTimer *ev_timer, guint page)
+{
+       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));
 }
 
 static void
 ev_presentation_timer_init (EvPresentationTimer *ev_timer)
 {
-//     ev_timer->priv = EV_DSCWINDOW_GET_PRIVATE (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->running = FALSE;
+}
+
+void
+ev_presentation_timer_start (EvPresentationTimer *ev_timer)
+{
+       if (ev_timer->priv->running == FALSE)
+       {
+               ev_timer->priv->remaining = (ev_timer->priv->time)*60;
+               ev_timer->priv->running = TRUE;
+               g_timeout_add_seconds (1, timeout_cb, ev_timer);
+       }
+}
+
+void
+ev_presentation_timer_stop (EvPresentationTimer *ev_timer)
+{
+       ev_timer->priv->remaining = 0;
+}
+
+void
+ev_presentation_timer_set_time (EvPresentationTimer *ev_timer,
+                               gint time)
+{
+       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
@@ -67,10 +148,8 @@ 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;*/
 }