Add LambdaMouseListener

FigBug · Jan 31, 2024 · 33905c3 · 33905c3
1 parent 47310fa
commit 33905c3
Showing 1 changed file with 34 additions and 1 deletion.
diff --git a/modules/gin_gui/utilities/gin_asyncutilities.h b/modules/gin_gui/utilities/gin_asyncutilities.h
@@ -45,4 +45,37 @@ class LambdaAsyncUpdater : public juce::AsyncUpdater
     }
 };
 
-void callOnMainThreadBlocking ( std::function<void ()> func );
+void callOnMainThreadBlocking (std::function<void ()> func);
+
+/**
+ If you add a mouse listener to yourself to get nested mouse messages, then you get
+ them all twice, so use a lambda mouse listener instead
+ */
+class LambdaMouseListener : public juce::MouseListener
+{
+public:
+    LambdaMouseListener() = default;
+
+    std::function<void (const juce::MouseEvent&)> onMouseMove;
+    std::function<void (const juce::MouseEvent&)> onMouseEnter;
+    std::function<void (const juce::MouseEvent&)> onMouseExit;
+    std::function<void (const juce::MouseEvent&)> onMouseDown;
+    std::function<void (const juce::MouseEvent&)> onMouseDrag;
+    std::function<void (const juce::MouseEvent&)> onMouseUp;
+    std::function<void (const juce::MouseEvent&)> onMouseDoubleClick;
+    std::function<void (const juce::MouseEvent&, const juce::MouseWheelDetails&)> onMouseWheelMove;
+    std::function<void (const juce::MouseEvent&, float)> onMouseMagnify;
+
+private:
+    void mouseMove (const juce::MouseEvent& e) override                                         { if (onMouseMove)          onMouseMove (e);        }
+    void mouseEnter (const juce::MouseEvent& e) override                                        { if (onMouseEnter)         onMouseEnter (e);       }
+    void mouseExit (const juce::MouseEvent& e) override                                         { if (onMouseExit)          onMouseExit (e);        }
+    void mouseDown (const juce::MouseEvent& e) override                                         { if (onMouseDown)          onMouseDown (e);        }
+    void mouseDrag (const juce::MouseEvent& e) override                                         { if (onMouseDrag)          onMouseDrag (e);        }
+    void mouseUp (const juce::MouseEvent& e) override                                           { if (onMouseUp)            onMouseUp (e);          }
+    void mouseDoubleClick (const juce::MouseEvent& e) override                                  { if (onMouseDoubleClick)   onMouseDoubleClick (e); }
+    void mouseWheelMove (const juce::MouseEvent& e, const juce::MouseWheelDetails& w) override  { if (onMouseWheelMove)     onMouseWheelMove (e, w);}
+    void mouseMagnify (const juce::MouseEvent& e, float s) override                             { if (onMouseMagnify)       onMouseMagnify (e, s);  }
+
+    JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(LambdaMouseListener)
+};