item menu example

src/framework/ui/uibutton.cpp

@@ -57,12 +57,10 @@ void UIButton::onStyleApply(const OTMLNodePtr& styleNode)
     }
 }
 
-bool UIButton::onMouseRelease(const Point& mousePos, Fw::MouseButton button)
+void UIButton::onMouseRelease(const Point& mousePos, Fw::MouseButton button)
 {
     if(isPressed()) {
         if(m_onClick && getRect().contains(mousePos))
             m_onClick();
-        return true;
     }
-    return false;
 }

src/framework/ui/uibutton.h

@@ -41,7 +41,7 @@ public:
 
 protected:
     virtual void onStyleApply(const OTMLNodePtr& styleNode);
-    virtual bool onMouseRelease(const Point& mousePos, Fw::MouseButton button);
+    virtual void onMouseRelease(const Point& mousePos, Fw::MouseButton button);
 
     SimpleCallback m_onClick;
     Point m_textTranslate;

src/framework/ui/uimanager.h

@@ -44,10 +44,15 @@ public:
     UIWidgetPtr loadUI(const std::string& file, const UIWidgetPtr& parent = nullptr);
     UIWidgetPtr loadWidgetFromOTML(const OTMLNodePtr& widgetNode, const UIWidgetPtr& parent);
 
+    //void setMouseGrabWidget();
+    //void setKeyboardGrabWidget();
+
     UIWidgetPtr getRootWidget() { return m_rootWidget; }
 
 private:
     UIWidgetPtr m_rootWidget;
+    //UIWidgetPtr m_mouseGrabWidget;
+    //UIWidgetPtr m_keyboardGrabWidget;
     std::map<std::string, OTMLNodePtr> m_styles;
 };
 

src/framework/ui/uiwidget.cpp

@@ -909,7 +909,7 @@ void UIWidget::onHoverChange(bool hovered)
     callLuaField("onHoverChange", hovered);
 
     // check for new hovered elements when the current widget is removed
-    if(!hovered && !getParent())
+    if(!hovered && !getParent() && g_ui.getRootWidget())
         g_ui.getRootWidget()->updateState(Fw::HoverState);
 }
 
@@ -1000,10 +1000,9 @@ bool UIWidget::onMousePress(const Point& mousePos, Fw::MouseButton button)
     return false;
 }
 
-bool UIWidget::onMouseRelease(const Point& mousePos, Fw::MouseButton button)
+void UIWidget::onMouseRelease(const Point& mousePos, Fw::MouseButton button)
 {
-    if(callLuaField<bool>("onMouseRelease", mousePos, button))
-        return true;
+    callLuaField("onMouseRelease", mousePos, button);
 
     // do a backup of children list, because it may change while looping it
     UIWidgetList children;
@@ -1017,16 +1016,11 @@ bool UIWidget::onMouseRelease(const Point& mousePos, Fw::MouseButton button)
     }
 
     for(const UIWidgetPtr& child : children) {
-        bool mustEnd = child->onMouseRelease(mousePos, button);
+        child->onMouseRelease(mousePos, button);
 
         if(child->isPressed())
             child->setPressed(false);
-
-        if(mustEnd)
-            return true;
     }
-
-    return false;
 }
 
 bool UIWidget::onMouseMove(const Point& mousePos, const Point& mouseMoved)

src/framework/ui/uiwidget.h

@@ -173,7 +173,7 @@ protected:
     /// Triggered when a mouse button is pressed down while mouse pointer is inside widget area
     virtual bool onMousePress(const Point& mousePos, Fw::MouseButton button);
     /// Triggered when a mouse button is released
-    virtual bool onMouseRelease(const Point& mousePos, Fw::MouseButton button);
+    virtual void onMouseRelease(const Point& mousePos, Fw::MouseButton button);
     /// Triggered when mouse moves (even when the mouse is outside widget area)
     virtual bool onMouseMove(const Point& mousePos, const Point& mouseMoved);
     /// Triggered when mouse middle button wheels inside widget area

src/framework/ui/uiwindow.cpp

@@ -120,7 +120,7 @@ bool UIWindow::onMousePress(const Point& mousePos, Fw::MouseButton button)
     return UIWidget::onMousePress(mousePos, button);
 }
 
-bool UIWindow::onMouseRelease(const Point& mousePos, Fw::MouseButton button)
+void UIWindow::onMouseRelease(const Point& mousePos, Fw::MouseButton button)
 {
     if(m_moving) {
         if(m_movePolicy == FREE_UPDATED_MOVE) {
@@ -143,9 +143,8 @@ bool UIWindow::onMouseRelease(const Point& mousePos, Fw::MouseButton button)
             updateParentLayout();
         }
         m_moving = false;
-        return true;
     }
-    return UIWidget::onMouseRelease(mousePos, button);
+    UIWidget::onMouseRelease(mousePos, button);
 }
 
 bool UIWindow::onMouseMove(const Point& mousePos, const Point& mouseMoved)

src/framework/ui/uiwindow.h

@@ -44,7 +44,7 @@ protected:
     virtual void onStyleApply(const OTMLNodePtr& styleNode);
     virtual void onGeometryUpdate(const Rect& oldRect, const Rect& newRect);
     virtual bool onMousePress(const Point& mousePos, Fw::MouseButton button);
-    virtual bool onMouseRelease(const Point& mousePos, Fw::MouseButton button);
+    virtual void onMouseRelease(const Point& mousePos, Fw::MouseButton button);
     virtual bool onMouseMove(const Point& mousePos, const Point& mouseMoved);
     virtual bool onKeyPress(uchar keyCode, char keyChar, int keyboardModifiers);