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Code Issues Activity Actions

GWidget: Add set_updates_enabled() for temporarily suppressing updates.

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This commit is contained in:
Andreas Kling 2019-05-02 03:46:37 +02:00
parent c3b7ace3e0
commit 6d5507313e
2 changed files with 26 additions and 4 deletions
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24
LibGUI/GWidget.cpp
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@ -283,6 +283,8 @@ void GWidget::leave_event(CEvent&)
void GWidget::update()
{
if (rect().is_empty())
return;
update(rect());
}
@ -290,10 +292,17 @@ void GWidget::update(const Rect& rect)
{
if (!is_visible())
return;
auto* w = window();
if (!w)
GWindow* window = m_window;
GWidget* parent = parent_widget();
while (parent) {
if (!parent->updates_enabled())
return;
w->update(rect.translated(window_relative_rect().location()));
window = parent->m_window;
parent = parent->parent_widget();
}
if (window)
window->update(rect.translated(window_relative_rect().location()));
}
Rect GWidget::window_relative_rect() const
@ -516,3 +525,12 @@ void GWidget::unregister_local_shortcut_action(Badge<GAction>, GAction& action)
{
m_local_shortcut_actions.remove(action.shortcut());
}
void GWidget::set_updates_enabled(bool enabled)
{
if (m_updates_enabled == enabled)
return;
m_updates_enabled = enabled;
if (enabled)
update();
}

4
LibGUI/GWidget.h
View file

@ -45,6 +45,9 @@ public:
bool is_enabled() const { return m_enabled; }
void set_enabled(bool);
bool updates_enabled() const { return m_updates_enabled; }
void set_updates_enabled(bool);
virtual void event(CEvent&) override;
virtual void paint_event(GPaintEvent&);
virtual void resize_event(GResizeEvent&);
@ -211,6 +214,7 @@ private:
bool m_greedy_for_hits { false };
bool m_enabled { true };
bool m_layout_dirty { false };
bool m_updates_enabled { true };
CElapsedTimer m_left_click_clock;
CElapsedTimer m_right_click_clock;