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LibGUI: Factor out scrolling logic from GTableView into a GScrollableWidget.

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This then becomes the base class for GTableView. I'd like to share as much
code as possible with GTextEditor and any other scrollable widgets.
This commit is contained in:
Andreas Kling 2019-03-16 16:03:31 +01:00
parent dd5ca1940a
commit 6fbabac460
5 changed files with 168 additions and 93 deletions
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11
LibGUI/GTableView.h
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@ -1,14 +1,14 @@
#pragma once
#include <LibGUI/GTableModel.h>
#include <LibGUI/GWidget.h>
#include <LibGUI/GScrollableWidget.h>
#include <AK/Function.h>
#include <AK/HashMap.h>
class GScrollBar;
class Painter;
class GTableView : public GWidget {
class GTableView : public GScrollableWidget {
public:
explicit GTableView(GWidget* parent);
virtual ~GTableView() override;
@ -33,27 +33,22 @@ public:
virtual bool accepts_focus() const override { return true; }
Rect visible_content_rect() const;
void scroll_into_view(const GModelIndex&, Orientation);
private:
virtual void model_notification(const GModelNotification&);
virtual void paint_event(GPaintEvent&) override;
virtual void resize_event(GResizeEvent&) override;
virtual void mousedown_event(GMouseEvent&) override;
virtual void keydown_event(GKeyEvent&) override;
void paint_headers(Painter&);
void update_scrollbar_ranges();
int item_count() const;
Rect row_rect(int item_index) const;
Rect header_rect(int) const;
int column_width(int) const;
void update_content_size();
GScrollBar* m_vertical_scrollbar { nullptr };
GScrollBar* m_horizontal_scrollbar { nullptr };
GWidget* m_corner_widget { nullptr };
OwnPtr<GTableModel> m_model;
int m_horizontal_padding { 5 };
bool m_headers_visible { true };