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GWidget: Add "enabled" state for widgets.

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There's nothing magical that happens for painting, each widget needs to
handle it manually in their painting code.
This commit is contained in:
Andreas Kling 2019-04-12 02:51:16 +02:00
parent a1015840ff
commit 269886fc4e
2 changed files with 12 additions and 0 deletions
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8
LibGUI/GWidget.cpp
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@ -408,3 +408,11 @@ bool GWidget::spans_entire_window_horizontally() const
auto wrr = window_relative_rect(); auto wrr = window_relative_rect();
return wrr.left() == main_widget->rect().left() && wrr.right() == main_widget->rect().right(); return wrr.left() == main_widget->rect().left() && wrr.right() == main_widget->rect().right();
} }
void GWidget::set_enabled(bool enabled)
{
if (m_enabled == enabled)
return;
m_enabled = enabled;
update();
}

4
LibGUI/GWidget.h
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@ -38,6 +38,9 @@ public:
String tooltip() const { return m_tooltip; } String tooltip() const { return m_tooltip; }
void set_tooltip(const String& tooltip) { m_tooltip = tooltip; } void set_tooltip(const String& tooltip) { m_tooltip = tooltip; }
bool is_enabled() const { return m_enabled; }
void set_enabled(bool);
virtual void event(CEvent&) override; virtual void event(CEvent&) override;
virtual void paint_event(GPaintEvent&); virtual void paint_event(GPaintEvent&);
virtual void resize_event(GResizeEvent&); virtual void resize_event(GResizeEvent&);
@ -180,6 +183,7 @@ private:
bool m_fill_with_background_color { false }; bool m_fill_with_background_color { false };
bool m_visible { true }; bool m_visible { true };
bool m_greedy_for_hits { false }; bool m_greedy_for_hits { false };
bool m_enabled { true };
CElapsedTimer m_click_clock; CElapsedTimer m_click_clock;
}; };