LibGUI: GDialog should close its nested event loop on window close.

Make GWindow::close() so we can override it in GDialog and quit from the
internal event loop when the window manager tells us to close ourselves.

The dialog will return GDialog::ExecCancel in these situations.

3 files changed, 10 insertions, 1 deletions

diff --git a/Libraries/LibGUI/GDialog.cpp b/Libraries/LibGUI/GDialog.cpp
index 7438e41b2e..eaa3359f39 100644
--- a/Libraries/LibGUI/GDialog.cpp
+++ b/Libraries/LibGUI/GDialog.cpp
@@ -40,3 +40,10 @@ void GDialog::done(int result)
     dbgprintf("%s: quit event loop with result %d\n", class_name(), result);
     m_event_loop->quit(result);
 }
+
+void GDialog::close()
+{
+    GWindow::close();
+    m_event_loop->quit(ExecCancel);
+}
+
diff --git a/Libraries/LibGUI/GDialog.h b/Libraries/LibGUI/GDialog.h
index a0e9a2cb46..6b3bbb7f04 100644
--- a/Libraries/LibGUI/GDialog.h
+++ b/Libraries/LibGUI/GDialog.h
@@ -19,6 +19,8 @@ public:
     int result() const { return m_result; }
     void done(int result);
 
+    virtual void close() override;
+
 protected:
     explicit GDialog(CObject* parent);
 
diff --git a/Libraries/LibGUI/GWindow.h b/Libraries/LibGUI/GWindow.h
index e8b50ed13a..a0ec5f8542 100644
--- a/Libraries/LibGUI/GWindow.h
+++ b/Libraries/LibGUI/GWindow.h
@@ -82,7 +82,7 @@ public:
 
     void show();
     void hide();
-    void close();
+    virtual void close();
     void move_to_front();
 
     void start_wm_resize();