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#pragma once
#include <LibGUI/GFrame.h>
class GScrollBar;
class GScrollableWidget : public GFrame {
public:
virtual ~GScrollableWidget() override;
Size content_size() const { return m_content_size; }
int content_width() const { return m_content_size.width(); }
int content_height() const { return m_content_size.height(); }
Rect visible_content_rect() const;
Rect widget_inner_rect() const;
void scroll_into_view(const Rect&, Orientation);
void scroll_into_view(const Rect&, bool scroll_horizontally, bool scroll_vertically);
void set_scrollbars_enabled(bool);
bool is_scrollbars_enabled() const { return m_scrollbars_enabled; }
Size available_size() const;
GScrollBar& vertical_scrollbar() { return *m_vertical_scrollbar; }
const GScrollBar& vertical_scrollbar() const { return *m_vertical_scrollbar; }
GScrollBar& horizontal_scrollbar() { return *m_horizontal_scrollbar; }
const GScrollBar& horizontal_scrollbar() const { return *m_horizontal_scrollbar; }
GWidget& corner_widget() { return *m_corner_widget; }
const GWidget& corner_widget() const { return *m_corner_widget; }
void scroll_to_top();
void scroll_to_bottom();
virtual const char* class_name() const override { return "GScrollableWidget"; }
protected:
explicit GScrollableWidget(GWidget* parent);
virtual void resize_event(GResizeEvent&) override;
virtual void mousewheel_event(GMouseEvent&) override;
virtual void did_scroll() {}
void set_content_size(const Size&);
void set_size_occupied_by_fixed_elements(const Size&);
int width_occupied_by_vertical_scrollbar() const;
int height_occupied_by_horizontal_scrollbar() const;
private:
void update_scrollbar_ranges();
GScrollBar* m_vertical_scrollbar { nullptr };
GScrollBar* m_horizontal_scrollbar { nullptr };
GWidget* m_corner_widget { nullptr };
Size m_content_size;
Size m_size_occupied_by_fixed_elements;
bool m_scrollbars_enabled { true };
};
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