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PixelPaint: Pass raw mouse event to Tools and wrap them all in a struct

Browse source 
This commit adds a Tool::MouseEvent struct, which contains events that
may be needed by tools: layer-relative, image-relative and raw (editor-
relative) event.

The raw event is used by ZoomTool to properly pan the view. This fixes
a bug which caused image to snap out of sight.
This commit is contained in:
Maciej Zygmanowski 2021-08-25 10:06:00 +02:00 • committed by Andreas Kling
parent 635130ef76
commit 0224dc2882
28 changed files with 186 additions and 127 deletions
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35
Userland/Applications/PixelPaint/Tool.h
View file

@ -19,9 +19,38 @@ class Tool {
public:
virtual ~Tool();
virtual void on_mousedown(Layer&, GUI::MouseEvent&, GUI::MouseEvent&) { }
virtual void on_mousemove(Layer&, GUI::MouseEvent&, GUI::MouseEvent&) { }
virtual void on_mouseup(Layer&, GUI::MouseEvent&, GUI::MouseEvent&) { }
class MouseEvent {
public:
enum class Action {
MouseDown,
MouseMove,
MouseUp
};
MouseEvent(Action action, GUI::MouseEvent& layer_event, GUI::MouseEvent& image_event, GUI::MouseEvent& raw_event)
: m_action(action)
, m_layer_event(layer_event)
, m_image_event(image_event)
, m_raw_event(raw_event)
{
}
Action action() const { return m_action; }
GUI::MouseEvent const& layer_event() const { return m_layer_event; }
GUI::MouseEvent const& image_event() const { return m_image_event; }
GUI::MouseEvent const& raw_event() const { return m_raw_event; }
private:
Action m_action;
GUI::MouseEvent& m_layer_event;
GUI::MouseEvent& m_image_event;
GUI::MouseEvent& m_raw_event;
};
virtual void on_mousedown(Layer&, MouseEvent&) { }
virtual void on_mousemove(Layer&, MouseEvent&) { }
virtual void on_mouseup(Layer&, MouseEvent&) { }
virtual void on_context_menu(Layer&, GUI::ContextMenuEvent&) { }
virtual void on_tool_button_contextmenu(GUI::ContextMenuEvent&) { }
virtual void on_second_paint(Layer const&, GUI::PaintEvent&) { }