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GTableView: Add a way to customize cell painting per-column

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You can now set a GTableCellPaintingDelegate per column in GTableView.
For columns with a painting delegate set, the view will defer to the
delegate for painting each cell in that column.
This commit is contained in:
Andreas Kling 2019-08-14 20:34:46 +02:00
parent b777f740a4
commit 9789ee9b58
2 changed files with 34 additions and 13 deletions
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11
Libraries/LibGUI/GTableView.h
View file

@ -5,9 +5,17 @@
#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:
@ -38,6 +46,8 @@ public:
virtual Rect content_rect(const GModelIndex&) const override;
void set_cell_painting_delegate(int column, OwnPtr<GTableCellPaintingDelegate>&&);
private:
virtual void did_update_model() override;
virtual void paint_event(GPaintEvent&) override;
@ -67,6 +77,7 @@ private:
bool has_initialized_width { false };
bool visibility { true };
RefPtr<GAction> visibility_action;
OwnPtr<GTableCellPaintingDelegate> cell_painting_delegate;
};
ColumnData& column_data(int column) const;