[Fix] Fixed issue with tooltips not disappearing.

src/gui_container.cpp

@@ -3,6 +3,17 @@
 
 namespace Gui {
 
+Container::Container(void) {
+  onMouseLeave.connect(sigc::mem_fun(this, &Container::_OnMouseLeave));
+}
+
+void Container::_OnMouseLeave(void) {
+  for(std::list<widget_pos>::iterator i = m_children.begin(); i != m_children.end(); ++i) {
+    if((*i).w->IsMouseOver() == true)
+      (*i).w->OnMouseLeave();
+  }
+}
+
 bool Container::OnMouseMotion(MouseMotionEvent* e) {
   float x = e->x;
   float y = e->y;

src/gui_container.h

@@ -7,6 +7,7 @@
 namespace Gui {
   class Container : public Widget {
   public:
+    Container(void);
     bool OnMouseDown(MouseButtonEvent* e);
     bool OnMouseUp(MouseButtonEvent* e);
     bool OnMouseMotion(MouseMotionEvent* e);
@@ -15,6 +16,7 @@ namespace Gui {
     virtual void ShowAll(void);
     virtual void HideAll(void);
   private:
+    void _OnMouseLeave(void);
     bool HandleMouseEvent(MouseButtonEvent* e);
   protected:
     void PrependChild(Widget* w, float x, float y);

src/gui_fixed.cpp

@@ -3,7 +3,7 @@
 
 namespace Gui {
 
-Fixed::Fixed(float w, float h) {
+Fixed::Fixed(float w, float h): Container() {
   SetSize(w, h);
   memcpy(m_bgcol, Color::bg, 3*sizeof(float));
   m_w = w; m_h = h;

src/gui_widget.cpp

@@ -37,6 +37,7 @@ void Widget::GetAbsolutePosition(float pos[2]) {
 void Widget::OnMouseEnter(void) {
   m_mouseOver = true;
   Gui::AddTimer(1000, &m_tooltipTimerSignal);
+  onMouseEnter.emit();
 }
 
 void Widget::OnMouseLeave(void) {
@@ -46,6 +47,7 @@ void Widget::OnMouseLeave(void) {
     m_tooltipWidget = 0;
   }
   Gui::RemoveTimer(&m_tooltipTimerSignal);
+  onMouseLeave.emit();
 }
 
 void Widget::UpdateOverriddenTooltip(void) {

src/gui_widget.h

@@ -44,6 +44,9 @@ namespace Gui {
       EVENT_ALL         = 0xffffffff
     };
     unsigned int GetEventMask(void)   { return m_eventMask; }
+
+    sigc::signal<void> onMouseEnter;
+    sigc::signal<void> onMouseLeave;
   protected:
     unsigned int m_eventMask;
     struct {