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GWidget: Add move_by() and make set_relative_rect() invalidate parent.

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This commit is contained in:
Andreas Kling 2019-04-16 22:59:27 +02:00
parent 486ed41fd2
commit ac324f14b8
2 changed files with 8 additions and 0 deletions
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5
LibGUI/GWidget.cpp
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@ -43,6 +43,9 @@ void GWidget::set_relative_rect(const Rect& rect)
{
if (rect == m_relative_rect)
return;
auto old_rect = m_relative_rect;
bool size_changed = m_relative_rect.size() != rect.size();
m_relative_rect = rect;
@ -51,6 +54,8 @@ void GWidget::set_relative_rect(const Rect& rect)
event(resize_event);
}
if (auto* parent = parent_widget())
parent->update(old_rect);
update();
}

3
LibGUI/GWidget.h
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@ -112,6 +112,9 @@ public:
void resize(const Size& size) { set_relative_rect({ relative_rect().location(), size }); }
void resize(int width, int height) { resize({ width, height }); }
void move_by(int x, int y) { move_by({ x, y }); }
void move_by(const Point& delta) { set_relative_rect({ relative_position().translated(delta), size() }); }
Color background_color() const { return m_background_color; }
Color foreground_color() const { return m_foreground_color; }