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LibGUI: Start working on a tabbed widget container: GTabWidget.

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This commit is contained in:
Andreas Kling 2019-05-05 01:31:02 +02:00
parent dd299fe51a
commit 62e7b26406
4 changed files with 166 additions and 2 deletions
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39
LibGUI/GTabWidget.h Normal file
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#pragma once
#include <LibGUI/GWidget.h>
class GTabWidget : public GWidget {
public:
explicit GTabWidget(GWidget* parent);
virtual ~GTabWidget() override;
GWidget* active_widget() const { return m_active_widget; }
void set_active_widget(GWidget*);
int bar_height() const { return 22; }
void add_widget(const String&, GWidget*);
virtual const char* class_name() const override { return "GTabWidget"; }
protected:
virtual void paint_event(GPaintEvent&) override;
virtual void child_event(CChildEvent&) override;
virtual void resize_event(GResizeEvent&) override;
virtual void mousedown_event(GMouseEvent&) override;
private:
Rect child_rect_for_size(const Size&) const;
Rect button_rect(int index) const;
Rect bar_rect() const;
GWidget* m_active_widget { nullptr };
struct TabData {
Rect rect(const Font&) const;
int width(const Font&) const;
String title;
GWidget* widget { nullptr };
};
Vector<TabData> m_tabs;
};