LibGUI: Add CommonActions::make_about_action()

This creates an "About" menu action given the app name and icon.
It takes care of showing the about dialog for you.

2 files changed, 11 insertions, 0 deletions

diff --git a/Libraries/LibGUI/Action.cpp b/Libraries/LibGUI/Action.cpp
index f71354fc5d..5a9743df7e 100644
--- a/Libraries/LibGUI/Action.cpp
+++ b/Libraries/LibGUI/Action.cpp
@@ -24,10 +24,12 @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
+#include <LibGUI/AboutDialog.h>
 #include <LibGUI/Action.h>
 #include <LibGUI/ActionGroup.h>
 #include <LibGUI/Application.h>
 #include <LibGUI/Button.h>
+#include <LibGUI/Icon.h>
 #include <LibGUI/MenuItem.h>
 #include <LibGUI/Window.h>
 
@@ -35,6 +37,14 @@ namespace GUI {
 
 namespace CommonActions {
 
+NonnullRefPtr<Action> make_about_action(const String& app_name, const Icon& app_icon, Window* parent)
+{
+    WeakPtr<Window> weak_parent = parent ? parent->make_weak_ptr<Window>() : nullptr;
+    return Action::create(String::formatted("About {}", app_name), app_icon.bitmap_for_size(16), [=](auto&) {
+        AboutDialog::show(app_name, app_icon.bitmap_for_size(32), weak_parent.ptr());
+    });
+}
+
 NonnullRefPtr<Action> make_open_action(Function<void(Action&)> callback, Core::Object* parent)
 {
     return Action::create("Open...", { Mod_Ctrl, Key_O }, Gfx::Bitmap::load_from_file("/res/icons/16x16/open.png"), move(callback), parent);
diff --git a/Libraries/LibGUI/Action.h b/Libraries/LibGUI/Action.h
index 486aa6b999..9b006031bb 100644
--- a/Libraries/LibGUI/Action.h
+++ b/Libraries/LibGUI/Action.h
@@ -42,6 +42,7 @@
 namespace GUI {
 
 namespace CommonActions {
+NonnullRefPtr<Action> make_about_action(const String& app_name, const Icon& app_icon, Window* parent = nullptr);
 NonnullRefPtr<Action> make_open_action(Function<void(Action&)>, Core::Object* parent = nullptr);
 NonnullRefPtr<Action> make_save_action(Function<void(Action&)>, Core::Object* parent = nullptr);
 NonnullRefPtr<Action> make_save_as_action(Function<void(Action&)>, Core::Object* parent = nullptr);