+ if(tooltip_timeout && Time::now()>tooltip_timeout)
+ {
+ std::string tip;
+ if(Widget *wdg = get_descendant_at(pointer_x, pointer_y))
+ {
+ tip = wdg->get_tooltip();
+ tooltip_target = wdg;
+ }
+ else
+ {
+ tip = signal_tooltip.emit(pointer_x, pointer_y);
+ tooltip_target = this;
+ }
+
+ if(!tip.empty())
+ {
+ if(!lbl_tooltip)
+ {
+ lbl_tooltip = new Label;
+ add(*lbl_tooltip);
+ lbl_tooltip->set_style("tooltip");
+ }
+
+ lbl_tooltip->set_text(tip);
+ lbl_tooltip->autosize();
+ const Geometry &tip_geom = lbl_tooltip->get_geometry();
+ unsigned x = pointer_x+10;
+ unsigned y = pointer_y-10-lbl_tooltip->get_geometry().h;
+ if(x+tip_geom.w>geom.w)
+ {
+ if(pointer_x>static_cast<int>(tip_geom.w+2))
+ x = pointer_x-2-tip_geom.w;
+ else
+ x = geom.w-tip_geom.w;
+ }
+ lbl_tooltip->set_position(x, y);
+ raise(*lbl_tooltip);
+ lbl_tooltip->set_visible(true);
+ }
+
+ tooltip_timeout = Time::TimeStamp();
+ }
+}
+
+void Root::render() const
+{
+ GL::MatrixStack::projection() = GL::Matrix::ortho_bottomleft(geom.w, geom.h);
+ GL::MatrixStack::modelview() = GL::Matrix();
+ GL::Bind bind_blend(GL::Blend::alpha());
+
+ GL::Renderer renderer(0);
+ Widget::render(renderer);
+}
+
+void Root::button_press_event(unsigned btn)
+{
+ if(visible)
+ {
+ int x, y;
+ get_pointer(x, y);
+ button_press(x, y, btn);
+ }
+}
+
+void Root::button_release_event(unsigned btn)
+{
+ if(visible)
+ {
+ int x, y;
+ get_pointer(x, y);
+ button_release(x, y, btn);
+ }
+}
+
+void Root::axis_motion_event(unsigned, float, float)
+{
+ if(visible)
+ {
+ int x, y;
+ get_pointer(x, y);
+ pointer_motion(x, y);
+
+ if(!tooltip_target)
+ {
+ pointer_x = x;
+ pointer_y = y;
+ tooltip_timeout = Time::now()+700*Time::msec;
+ }
+ else if(get_descendant_at(x, y)!=tooltip_target)
+ {
+ if(lbl_tooltip)
+ lbl_tooltip->set_visible(false);
+ tooltip_target = 0;
+ }
+ }
+}
+
+void Root::key_press_event(unsigned key)
+{
+ // XXX Modifiers
+ if(visible)
+ key_press(key, 0);
+}
+
+void Root::key_release_event(unsigned key)
+{
+ if(visible)
+ key_release(key, 0);