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LibGUI+WindowServer: Add app-global keyboard shortcuts.

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This patch adds a GShortcut class. Each GAction can have a GShortcut which
will cause the event loop to listen for that key combination app-globally
and activate the event in case it's pressed.

The shortcut will also be displayed when the action is added to a menu.

Use this to hook up Alt+Up with the "open parent directory" action in the
FileManager app. :^)
This commit is contained in:
Andreas Kling 2019-03-02 10:04:49 +01:00
parent 5c0fca0a95
commit 596a5ce5a4
17 changed files with 263 additions and 17 deletions
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10
LibGUI/GMenu.cpp
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@ -68,6 +68,16 @@ int GMenu::realize_menu()
ASSERT(action.text().length() < (ssize_t)sizeof(request.text));
strcpy(request.text, action.text().characters());
request.text_length = action.text().length();
if (action.shortcut().is_valid()) {
auto shortcut_text = action.shortcut().to_string();
ASSERT(shortcut_text.length() < (ssize_t)sizeof(request.menu.shortcut_text));
strcpy(request.menu.shortcut_text, shortcut_text.characters());
request.menu.shortcut_text_length = shortcut_text.length();
} else {
request.menu.shortcut_text_length = 0;
}
GEventLoop::main().sync_request(request, WSAPI_ServerMessage::Type::DidAddMenuItem);
}
}