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Mandelbrot: Allow panning with the arrow keys
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parent
0f33d2a36d
commit
52340dc78a
Notes:
sideshowbarker
2024-07-17 01:28:15 +09:00
Author: https://github.com/ronak69 Commit: https://github.com/SerenityOS/serenity/commit/52340dc78a Pull-request: https://github.com/SerenityOS/serenity/pull/22457 Reviewed-by: https://github.com/Hendiadyoin1 Reviewed-by: https://github.com/LucasChollet ✅ Reviewed-by: https://github.com/nico
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@ -233,6 +233,8 @@ private:
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Mandelbrot() = default;
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virtual void paint_event(GUI::PaintEvent&) override;
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virtual void keydown_event(GUI::KeyEvent& event) override;
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virtual void keyup_event(GUI::KeyEvent& event) override;
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virtual void mousedown_event(GUI::MouseEvent& event) override;
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virtual void mousemove_event(GUI::MouseEvent& event) override;
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virtual void mouseup_event(GUI::MouseEvent& event) override;
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@ -298,6 +300,44 @@ void Mandelbrot::paint_event(GUI::PaintEvent& event)
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painter.draw_rect(Gfx::IntRect::from_two_points(m_selection_start, m_selection_end), Color::Blue);
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}
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void Mandelbrot::keydown_event(GUI::KeyEvent& event)
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{
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switch (event.key()) {
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case KeyCode::Key_Left:
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m_set.pan_by(Gfx::IntPoint { 10, 0 });
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break;
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case KeyCode::Key_Right:
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m_set.pan_by(Gfx::IntPoint { -10, 0 });
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break;
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case KeyCode::Key_Up:
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m_set.pan_by(Gfx::IntPoint { 0, 10 });
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break;
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case KeyCode::Key_Down:
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m_set.pan_by(Gfx::IntPoint { 0, -10 });
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break;
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default:
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GUI::Widget::keydown_event(event);
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return;
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}
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m_panning = true;
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update();
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}
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void Mandelbrot::keyup_event(GUI::KeyEvent& event)
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{
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switch (event.key()) {
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case KeyCode::Key_Left:
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case KeyCode::Key_Right:
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case KeyCode::Key_Up:
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case KeyCode::Key_Down:
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m_panning = false;
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break;
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default:
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GUI::Widget::keydown_event(event);
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}
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}
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void Mandelbrot::mousedown_event(GUI::MouseEvent& event)
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{
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if (event.button() == GUI::MouseButton::Primary) {
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