ladybird/Libraries/LibGUI/GTabWidget.h
Andreas Kling 7f82e86fb8 GTabWidget: Allow putting the tabs on the bottom of the widget.
They're still painted as if they are top tabs, but the subwidget placement
logic is all there.
2019-07-28 17:43:51 +02:00

53 lines
1.4 KiB
C++

#pragma once
#include <LibGUI/GWidget.h>
class GTabWidget : public GWidget {
C_OBJECT(GTabWidget)
public:
enum TabPosition {
Top,
Bottom,
};
explicit GTabWidget(GWidget* parent);
virtual ~GTabWidget() override;
TabPosition tab_position() const { return m_tab_position; }
void set_tab_position(TabPosition);
GWidget* active_widget() const { return m_active_widget; }
void set_active_widget(GWidget*);
int bar_height() const { return 21; }
int container_padding() const { return 2; }
void add_widget(const StringView&, GWidget*);
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;
virtual void mousemove_event(GMouseEvent&) override;
virtual void leave_event(CEvent&) override;
private:
Rect child_rect_for_size(const Size&) const;
Rect button_rect(int index) const;
Rect bar_rect() const;
Rect container_rect() const;
void update_bar();
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;
TabPosition m_tab_position { TabPosition::Top };
int m_hovered_tab_index { -1 };
};