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Code Issues Activity Actions

LibGUI: Convert GScrollBar to ObjectPtr

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This commit is contained in:
Andreas Kling 2019-09-21 15:07:24 +02:00
parent 4616a13e94
commit bce58bbbca
7 changed files with 11 additions and 10 deletions
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3
Libraries/LibGUI/GScrollBar.h
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@ -7,7 +7,6 @@
class GScrollBar final : public GWidget {
C_OBJECT(GScrollBar)
public:
explicit GScrollBar(Orientation, GWidget* parent);
virtual ~GScrollBar() override;
Orientation orientation() const { return m_orientation; }
@ -39,6 +38,8 @@ public:
};
private:
explicit GScrollBar(Orientation, GWidget* parent);
virtual void paint_event(GPaintEvent&) override;
virtual void mousedown_event(GMouseEvent&) override;
virtual void mouseup_event(GMouseEvent&) override;

4
Libraries/LibGUI/GScrollableWidget.cpp
View file

@ -4,14 +4,14 @@
GScrollableWidget::GScrollableWidget(GWidget* parent)
: GFrame(parent)
{
m_vertical_scrollbar = new GScrollBar(Orientation::Vertical, this);
m_vertical_scrollbar = GScrollBar::construct(Orientation::Vertical, this);
m_vertical_scrollbar->set_step(4);
m_vertical_scrollbar->on_change = [this](int) {
did_scroll();
update();
};
m_horizontal_scrollbar = new GScrollBar(Orientation::Horizontal, this);
m_horizontal_scrollbar = GScrollBar::construct(Orientation::Horizontal, this);
m_horizontal_scrollbar->set_step(4);
m_horizontal_scrollbar->set_big_step(30);
m_horizontal_scrollbar->on_change = [this](int) {

4
Libraries/LibGUI/GScrollableWidget.h
View file

@ -53,8 +53,8 @@ protected:
private:
void update_scrollbar_ranges();
GScrollBar* m_vertical_scrollbar { nullptr };
GScrollBar* m_horizontal_scrollbar { nullptr };
ObjectPtr<GScrollBar> m_vertical_scrollbar;
ObjectPtr<GScrollBar> m_horizontal_scrollbar;
GWidget* m_corner_widget { nullptr };
Size m_content_size;
Size m_size_occupied_by_fixed_elements;