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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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8
LibGUI/GAction.h
View file

@ -5,6 +5,7 @@
#include <AK/Retainable.h>
#include <AK/Retained.h>
#include <SharedGraphics/GraphicsBitmap.h>
#include <LibGUI/GShortcut.h>
class GAction : public Retainable<GAction> {
public:
@ -20,9 +21,14 @@ public:
{
return adopt(*new GAction(text, move(icon), move(callback)));
}
static Retained<GAction> create(const String& text, const GShortcut& shortcut, RetainPtr<GraphicsBitmap>&& icon, Function<void(const GAction&)> callback)
{
return adopt(*new GAction(text, shortcut, move(icon), move(callback)));
}
~GAction();
String text() const { return m_text; }
GShortcut shortcut() const { return m_shortcut; }
String custom_data() const { return m_custom_data; }
const GraphicsBitmap* icon() const { return m_icon.ptr(); }
@ -32,11 +38,13 @@ public:
private:
GAction(const String& text, Function<void(const GAction&)> = nullptr);
GAction(const String& text, const GShortcut&, RetainPtr<GraphicsBitmap>&& icon, Function<void(const GAction&)> = nullptr);
GAction(const String& text, RetainPtr<GraphicsBitmap>&& icon, Function<void(const GAction&)> = nullptr);
GAction(const String& text, const String& custom_data = String(), Function<void(const GAction&)> = nullptr);
String m_text;
String m_custom_data;
RetainPtr<GraphicsBitmap> m_icon;
GShortcut m_shortcut;
};