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/* | |
============================================================================== | |
MouseOverChecker.h | |
Created: 13 Aug 2019 1:26:42pm | |
Author: Daniel Walz | |
============================================================================== | |
*/ | |
#pragma once | |
class MouseOverChecker : public MouseListener | |
{ | |
public: | |
MouseOverChecker (Component& componentToWatch) : watchedComponent (componentToWatch) | |
{ | |
watchedComponent.addMouseListener (this, true); | |
} | |
~MouseOverChecker() | |
{ | |
watchedComponent.removeMouseListener (this); | |
} | |
void mouseEnter (const MouseEvent&) override | |
{ | |
if (mouseIsOver == false) | |
{ | |
mouseIsOver = true; | |
if (onMouseEnter != nullptr) | |
onMouseEnter(); | |
} | |
} | |
void mouseExit (const MouseEvent&) override | |
{ | |
if (mouseIsOver == true) | |
{ | |
mouseIsOver = false; | |
if (onMouseExit != nullptr) | |
onMouseExit(); | |
} | |
} | |
std::function<void()> onMouseEnter; | |
std::function<void()> onMouseExit; | |
private: | |
Component& watchedComponent; | |
bool mouseIsOver = false; | |
JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (MouseOverChecker); | |
}; | |
// example usage: | |
/* | |
// members: | |
bool highlight = false; | |
MouseOverChecker overChecker {*this}; | |
// in Constructor after all "addAndMakeVisible()" calls: | |
overChecker.onMouseEnter = [&] | |
{ | |
highlight = true; | |
Timer::callAfterDelay (50, [this] { repaint(); }); | |
}; | |
overChecker.onMouseExit = [&] | |
{ | |
highlight = false; | |
// the delay allows the mouseEnter of the other child to occur | |
Timer::callAfterDelay (50, [this] { repaint(); }); | |
}; | |
// and use the "highlight" flag in your "paint()" | |
*/ | |
Ah well, there are different views about that. It is a header, and I usually have the #include "JuceHeader.h"
at the beginning of each cpp file. I aim for no includes in headers, but there are different opinions on that, I know...
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For completeness this should
#include "JuceHeader.h"