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HackStudio: Allow rubber-band selection of widgets

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This patch implements basic rubber-banding. Perhaps this mechanism can
be generalized somehow, but it's not clear to me how that would work
at the moment.
This commit is contained in:
Andreas Kling 2019-11-16 19:17:27 +01:00
parent 196b64c0ae
commit 69dee20761
3 changed files with 91 additions and 10 deletions
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13
DevTools/HackStudio/FormWidget.h
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@ -1,7 +1,9 @@
#pragma once
#include <AK/Badge.h>
#include <LibGUI/GWidget.h>
class CursorTool;
class FormEditorWidget;
class FormWidget final : public GWidget {
@ -15,6 +17,11 @@ public:
// FIXME: This should be an app-wide preference instead.
int grid_size() const { return m_grid_size; }
bool is_rubber_banding(Badge<CursorTool>) const { return m_rubber_banding; }
void set_rubber_banding(Badge<CursorTool>, bool);
void set_rubber_band_position(Badge<CursorTool>, const Point&);
void set_rubber_band_origin(Badge<CursorTool>, const Point&);
private:
virtual bool accepts_focus() const override { return true; }
@ -27,5 +34,11 @@ private:
explicit FormWidget(FormEditorWidget& parent);
Rect rubber_band_rect() const;
int m_grid_size { 5 };
bool m_rubber_banding { false };
Point m_rubber_band_origin;
Point m_rubber_band_position;
};