ladybird/Libraries/LibGUI/GTableView.h
2019-09-21 16:03:59 +02:00

98 lines
3.2 KiB
C++

#pragma once
#include <AK/Function.h>
#include <AK/HashMap.h>
#include <LibGUI/GAbstractView.h>
#include <LibGUI/GModel.h>
class GPainter;
class GScrollBar;
class Painter;
class GTableCellPaintingDelegate {
public:
virtual ~GTableCellPaintingDelegate() {}
virtual void paint(GPainter&, const Rect&, const GModel&, const GModelIndex&) = 0;
};
class GTableView : public GAbstractView {
C_OBJECT(GTableView)
public:
virtual ~GTableView() override;
int header_height() const { return m_headers_visible ? 16 : 0; }
int item_height() const { return 16; }
bool headers_visible() const { return m_headers_visible; }
void set_headers_visible(bool headers_visible) { m_headers_visible = headers_visible; }
bool alternating_row_colors() const { return m_alternating_row_colors; }
void set_alternating_row_colors(bool b) { m_alternating_row_colors = b; }
int content_width() const;
int horizontal_padding() const { return m_horizontal_padding; }
void scroll_into_view(const GModelIndex&, Orientation);
bool is_column_hidden(int) const;
void set_column_hidden(int, bool);
void set_size_columns_to_fit_content(bool b) { m_size_columns_to_fit_content = b; }
bool size_columns_to_fit_content() const { return m_size_columns_to_fit_content; }
Point adjusted_position(const Point&) const;
virtual Rect content_rect(const GModelIndex&) const override;
void set_cell_painting_delegate(int column, OwnPtr<GTableCellPaintingDelegate>&&);
protected:
explicit GTableView(GWidget* parent);
virtual void did_update_model() override;
virtual void paint_event(GPaintEvent&) override;
virtual void mousedown_event(GMouseEvent&) override;
virtual void mousemove_event(GMouseEvent&) override;
virtual void mouseup_event(GMouseEvent&) override;
virtual void doubleclick_event(GMouseEvent&) override;
virtual void keydown_event(GKeyEvent&) override;
virtual void leave_event(CEvent&) override;
virtual void context_menu_event(GContextMenuEvent&) override;
GModelIndex index_at_event_position(const Point&) const;
Rect content_rect(int row, int column) const;
void paint_headers(Painter&);
int item_count() const;
Rect row_rect(int item_index) const;
Rect header_rect(int) const;
Rect column_resize_grabbable_rect(int) const;
int column_width(int) const;
void update_content_size();
void update_column_sizes();
static const Font& header_font();
struct ColumnData {
int width { 0 };
bool has_initialized_width { false };
bool visibility { true };
RefPtr<GAction> visibility_action;
OwnPtr<GTableCellPaintingDelegate> cell_painting_delegate;
};
ColumnData& column_data(int column) const;
mutable Vector<ColumnData> m_column_data;
int m_horizontal_padding { 5 };
bool m_headers_visible { true };
bool m_alternating_row_colors { true };
bool m_size_columns_to_fit_content { false };
bool m_in_column_resize { false };
Point m_column_resize_origin;
int m_column_resize_original_width { 0 };
int m_resizing_column { -1 };
GMenu& ensure_header_context_menu();
OwnPtr<GMenu> m_header_context_menu;
};