Add a system for animating widgets

[libs/gltk.git] / source / widget.cpp

diff --git a/source/widget.cpp b/source/widget.cpp
index 5fc208268d06e117d7b181b6542154fbf47eb450..b40aa75214f2855def232ebbd48a6f85b7b3fb66 100644 (file)
--- a/source/widget.cpp
+++ b/source/widget.cpp
@@ -188,6 +188,20 @@ void Widget::set_state(State mask, State bits)
                rebuild();
 }
 
+void Widget::set_animation_interval(const Time::TimeDelta &iv)
+{
+       if(iv<Time::zero)
+               throw invalid_argument("Widget::set_animation_interval");
+
+       anim_interval = iv;
+       signal_request_animation.emit(anim_interval);
+}
+
+void Widget::stop_animation()
+{
+       set_animation_interval(Time::zero);
+}
+
 void Widget::rebuild()
 {
        if(!style)
@@ -215,8 +229,8 @@ void Widget::render(GL::Renderer &renderer) const
        if(!style)
                throw logic_error(format("Attempt to render a widget with null style (class=\"%s\", style_name=\"%s\")", get_class(), style_name));
 
-       GL::MatrixStack::Push _pushm(renderer.matrix_stack());
-       renderer.matrix_stack() *= GL::Matrix::translation(geom.x, geom.y, 0);
+       GL::Renderer::Push _push(renderer);
+       renderer.transform(GL::Matrix::translation(geom.x, geom.y, 0));
        const PartCache::PartList &parts = part_cache.get_parts();
        for(PartCache::PartList::const_iterator i=parts.begin(); i!=parts.end(); ++i)
        {