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LibGUI: Allow GUI::Action to swallow key events when disabled

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Sometimes an action should be disabled and the KeyEvent not posted to
the app's event loop nonetheless. In other words the action swallows the
KeyEvent without being activated.

Specific use-case: Terminal's Ctrl+Shift+{C,V}.
This commit is contained in:
Linus Groh 2020-12-06 20:53:29 +00:00 committed by Andreas Kling
parent 253aa7aa7d
commit 886fe7e69f
Notes: sideshowbarker 2024-07-19 01:00:48 +09:00 
Author: https://github.com/linusg
Commit: https://github.com/SerenityOS/serenity/commit/886fe7e69f6
Pull-request: https://github.com/SerenityOS/serenity/pull/4346
Reviewed-by: https://github.com/awesomekling
2 changed files with 11 additions and 3 deletions
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4
Libraries/LibGUI/Action.h
View File

@ -132,6 +132,9 @@ public:
}
void set_checked(bool);
bool swallow_key_event_when_disabled() const { return m_swallow_key_event_when_disabled; }
void set_swallow_key_event_when_disabled(bool swallow) { m_swallow_key_event_when_disabled = swallow; }
void register_button(Badge<Button>, Button&);
void unregister_button(Badge<Button>, Button&);
void register_menu_item(Badge<MenuItem>, MenuItem&);
@ -159,6 +162,7 @@ private:
bool m_enabled { true };
bool m_checkable { false };
bool m_checked { false };
bool m_swallow_key_event_when_disabled { false };
ShortcutScope m_scope { ShortcutScope::None };
HashTable<Button*> m_buttons;

10
Libraries/LibGUI/WindowServerConnection.cpp
View File

@ -173,9 +173,13 @@ void WindowServerConnection::handle(const Messages::WindowClient::KeyDown& messa
#endif
}
if (action && action->is_enabled()) {
action->activate();
return;
if (action) {
if (action->is_enabled()) {
action->activate();
return;
}
if (action->swallow_key_event_when_disabled())
return;
}
bool focused_widget_accepts_emoji_input = window->focused_widget() && window->focused_widget()->accepts_emoji_input();