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LibGUI: Allow Buttons to set themselves as default

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Several apps were implementing this behavior ad hoc. This provides
a standard API as well as a comfy visual cue for default return key
behavior.
This commit is contained in:
thankyouverycool 2022-01-24 14:22:02 -05:00 • committed by Andreas Kling
parent aefe3ef539
commit f77ac3a73c
6 changed files with 42 additions and 10 deletions
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28
Userland/Libraries/LibGUI/Button.cpp
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@ -10,6 +10,7 @@
#include <LibGUI/Button.h>
#include <LibGUI/Menu.h>
#include <LibGUI/Painter.h>
#include <LibGUI/Window.h>
#include <LibGfx/Font.h>
#include <LibGfx/Palette.h>
#include <LibGfx/StylePainter.h>
@ -25,6 +26,16 @@ Button::Button(String text)
set_fixed_height(22);
set_focus_policy(GUI::FocusPolicy::StrongFocus);
on_focus_change = [this](bool has_focus, auto) {
if (!is_default())
return;
if (!has_focus && is<Button>(window()->focused_widget()))
m_another_button_has_focus = true;
else
m_another_button_has_focus = false;
update();
};
REGISTER_ENUM_PROPERTY(
"button_style", button_style, set_button_style, Gfx::ButtonStyle,
{ Gfx::ButtonStyle::Normal, "Normal" },
@ -46,7 +57,7 @@ void Button::paint_event(PaintEvent& event)
bool paint_pressed = is_being_pressed() || (m_menu && m_menu->is_visible());
Gfx::StylePainter::paint_button(painter, rect(), palette(), m_button_style, paint_pressed, is_hovered(), is_checked(), is_enabled(), is_focused());
Gfx::StylePainter::paint_button(painter, rect(), palette(), m_button_style, paint_pressed, is_hovered(), is_checked(), is_enabled(), is_focused(), is_default() & !another_button_has_focus());
if (text().is_empty() && !m_icon)
return;
@ -193,4 +204,19 @@ void Button::mousemove_event(MouseEvent& event)
AbstractButton::mousemove_event(event);
}
bool Button::is_default() const
{
if (!window())
return false;
return this == window()->default_return_key_widget();
}
void Button::set_default(bool default_button)
{
deferred_invoke([this, default_button] {
VERIFY(window());
window()->set_default_return_key_widget(default_button ? this : nullptr);
});
}
}