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PaintBrush: Make the move tool handle arrow key events

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You can now nudge layers around with the arrow keys. :^)
This commit is contained in:
Andreas Kling 2020-05-13 13:20:54 +02:00
parent 06405e83d7
commit 8318842c7e
Notes: sideshowbarker 2024-07-19 06:40:53 +09:00 
Author: https://github.com/awesomekling
Commit: https://github.com/SerenityOS/serenity/commit/8318842c7e5
2 changed files with 33 additions and 0 deletions
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32
Applications/PaintBrush/MoveTool.cpp
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@ -69,4 +69,36 @@ void MoveTool::on_mouseup(Layer&, GUI::MouseEvent& event, GUI::MouseEvent&)
m_editor->window()->set_override_cursor(GUI::StandardCursor::None);
}
void MoveTool::on_keydown(GUI::KeyEvent& event)
{
if (event.modifiers() != 0)
return;
auto* layer = m_editor->active_layer();
if (!layer)
return;
auto new_location = layer->location();
switch (event.key()) {
case Key_Up:
new_location.move_by(0, -1);
break;
case Key_Down:
new_location.move_by(0, 1);
break;
case Key_Left:
new_location.move_by(-1, 0);
break;
case Key_Right:
new_location.move_by(1, 0);
break;
default:
return;
}
layer->set_location(new_location);
m_editor->layers_did_change();
}
}

1
Applications/PaintBrush/MoveTool.h
View file

@ -38,6 +38,7 @@ public:
virtual void on_mousedown(Layer&, GUI::MouseEvent& layer_event, GUI::MouseEvent& original_event) override;
virtual void on_mousemove(Layer&, GUI::MouseEvent& layer_event, GUI::MouseEvent& original_event) override;
virtual void on_mouseup(Layer&, GUI::MouseEvent& layer_event, GUI::MouseEvent& original_event) override;
virtual void on_keydown(GUI::KeyEvent&) override;
private:
virtual const char* class_name() const override { return "MoveTool"; }