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Code Issues Activity Actions

LibGUI: Allow GActions to be scoped either globally or widget-locally.

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This makes it possible for e.g GTextEditor to create a bunch of actions
with popular shortcuts like Ctrl+C, etc, without polluting the global
shortcut namespace. Widget-local actions will only activate while their
corresponding widget has focus. :^)
This commit is contained in:
Andreas Kling 2019-04-20 21:56:56 +02:00
parent a56e1afb64
commit 5c5ce4f885
8 changed files with 102 additions and 41 deletions
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19
LibGUI/GWidget.cpp
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@ -5,6 +5,7 @@
#include <LibGUI/GLayout.h>
#include <AK/Assertions.h>
#include <SharedGraphics/GraphicsBitmap.h>
#include <LibGUI/GAction.h>
#include <LibGUI/GPainter.h>
#include <LibGUI/GApplication.h>
#include <LibGUI/GMenu.h>
@ -487,3 +488,21 @@ bool GWidget::is_backmost() const
return true;
return parent->children().first() == this;
}
GAction* GWidget::action_for_key_event(const GKeyEvent& event)
{
auto it = m_local_shortcut_actions.find(GShortcut(event.modifiers(), (KeyCode)event.key()));
if (it == m_local_shortcut_actions.end())
return nullptr;
return (*it).value;
}
void GWidget::register_local_shortcut_action(Badge<GAction>, GAction& action)
{
m_local_shortcut_actions.set(action.shortcut(), &action);
}
void GWidget::unregister_local_shortcut_action(Badge<GAction>, GAction& action)
{
m_local_shortcut_actions.remove(action.shortcut());
}