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LibGUI: Add min/max sizes to GUI::Widget

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This patch adds min_size and max_size properties to GUI::Widget. These
can also be accessed as min_width/min_height and max_width/max_height.

Layouts will respect these constraints and size widgets accordingly.
This commit is contained in:
Andreas Kling 2020-12-29 18:22:51 +01:00
parent 91b65ec328
commit 60e3f685db
3 changed files with 95 additions and 20 deletions
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23
Libraries/LibGUI/Widget.cpp
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@ -138,6 +138,13 @@ Widget::Widget()
REGISTER_SIZE_POLICY_PROPERTY("horizontal_size_policy", horizontal_size_policy, set_horizontal_size_policy);
REGISTER_SIZE_POLICY_PROPERTY("vertical_size_policy", vertical_size_policy, set_vertical_size_policy);
REGISTER_SIZE_PROPERTY("min_size", min_size, set_min_size);
REGISTER_SIZE_PROPERTY("max_size", max_size, set_max_size);
REGISTER_INT_PROPERTY("min_width", min_width, set_min_width);
REGISTER_INT_PROPERTY("max_width", max_width, set_max_width);
REGISTER_INT_PROPERTY("min_height", min_height, set_min_height);
REGISTER_INT_PROPERTY("max_height", max_height, set_max_height);
register_property(
"focus_policy", [this]() -> JsonValue {
auto policy = focus_policy();
@ -659,6 +666,22 @@ bool Widget::global_cursor_tracking() const
return win->global_cursor_tracking_widget() == this;
}
void Widget::set_min_size(const Gfx::IntSize& size)
{
if (m_min_size == size)
return;
m_min_size = size;
invalidate_layout();
}
void Widget::set_max_size(const Gfx::IntSize& size)
{
if (m_max_size == size)
return;
m_max_size = size;
invalidate_layout();
}
void Widget::set_preferred_size(const Gfx::IntSize& size)
{
if (m_preferred_size == size)