Remove .gitignore do nothing is ignored.
[synfig.git] / synfig-studio / trunk / src / gtkmm / widget_curves.cpp
index 9375880..2260dad 100644 (file)
@@ -474,6 +474,9 @@ Widget_Curves::redraw(GdkEventExpose */*bleh*/)
        if(!time_adjustment_ || !range_adjustment_ || !h || !w)
                return false;
 
+       if(!curve_list_.size())
+               return false;
+
        Glib::RefPtr<Gdk::GC> gc(Gdk::GC::create(get_window()));
 
        const Real t_begin(time_adjustment_->get_lower());
@@ -497,6 +500,36 @@ Widget_Curves::redraw(GdkEventExpose */*bleh*/)
        gc->set_rgb_fg_color(Gdk::Color("#4f4f4f"));
        get_window()->draw_rectangle(gc, false, 0, round_to_int((0-r_bottom)/dr), w, 0);
 
+       // This try to find a valid vanvas to show the keyframes of those
+       // valuenodes. If not canvas found then no keyframes marks are shown.
+       synfig::Canvas::Handle canvas=0;
+       for(curve_iter=curve_list_.begin();curve_iter!=curve_list_.end();++curve_iter)
+       {
+               canvas=curve_iter->value_desc.get_canvas();
+               if(canvas)
+                       break;
+       }
+
+       if(canvas)
+       {
+       // Draw vertical lines for the keyframes marks.
+               const synfig::KeyframeList& keyframe_list(canvas->keyframe_list());
+               synfig::KeyframeList::const_iterator iter;
+
+               for(iter=keyframe_list.begin();iter!=keyframe_list.end();++iter)
+               {
+                       if(!iter->get_time().is_valid())
+                               continue;
+
+                       const int x((int)((float)w/(t_end-t_begin)*(iter->get_time()-t_begin)));
+                       if(iter->get_time()>=t_begin && iter->get_time()<t_end)
+                       {
+                               gc->set_rgb_fg_color(Gdk::Color("#a07f7f")); // It should be user selectable
+                               get_window()->draw_rectangle(gc, true, x, 0, 1, h);
+                       }
+               }
+       }
+
        // Draw current time
        gc->set_rgb_fg_color(Gdk::Color("#0000ff")); // It should be user selectable
        get_window()->draw_rectangle(gc, false, round_to_int((time_adjustment_->get_value()-t_begin)/dt), 0, 0, h);