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Code Issues Activity Actions

Screensaver: Implement mouse hysteresis

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Allow the mouse to move a bit before actually closing the app.

Fixes #6692
This commit is contained in:
Jelle Raaijmakers 2021-04-28 01:06:38 +02:00 • committed by Linus Groh
parent 906460e62a
commit 4387a4864c
1 changed files with 8 additions and 2 deletions
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10
Userland/Demos/Screensaver/Screensaver.cpp
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@ -23,6 +23,7 @@ public:
private: private:
Screensaver(int width = 64, int height = 48, int interval = 10000); Screensaver(int width = 64, int height = 48, int interval = 10000);
RefPtr<Gfx::Bitmap> m_bitmap; RefPtr<Gfx::Bitmap> m_bitmap;
Gfx::IntPoint m_mouse_origin;
void draw(); void draw();
virtual void paint_event(GUI::PaintEvent&) override; virtual void paint_event(GUI::PaintEvent&) override;
@ -45,9 +46,14 @@ Screensaver::~Screensaver()
{ {
} }
void Screensaver::mousemove_event(GUI::MouseEvent&) void Screensaver::mousemove_event(GUI::MouseEvent& event)
{ {
::exit(0); constexpr float max_distance_move = 10;
if (m_mouse_origin.is_null()) {
m_mouse_origin = event.position();
} else if (event.position().distance_from(m_mouse_origin) > max_distance_move) {
::exit(0);
}
} }
void Screensaver::mousedown_event(GUI::MouseEvent&) void Screensaver::mousedown_event(GUI::MouseEvent&)