Remove QMdiArea in MainWindow

Kconfig:
    Change About Dialog shortcut default to F1 (was Ctrl+H)
    Change close current tab shortcut to Ctrl+W (was Ctrl+X)

MainWindow:
    automatically close window when last subwindow is closed

MenuBar:
    remove Tile/Cascade subwindows actions
    add show/hide/close subwindow actions

SubWindow:
    remove Subwindow menu shortcut (was F1 by default)
    add close shortcut (default Ctrl+Shift+W)

Minor fixes:
    Fix PKGBUILD sources

1 files changed, 1 insertions, 0 deletions

diff --git a/src/mainwindow/menubar.h b/src/mainwindow/menubar.h
index f4d39c5..f369bef 100644
--- a/src/mainwindow/menubar.h
+++ b/src/mainwindow/menubar.h
@@ -24,6 +24,7 @@ public:
     void insertSubWindow(SubWindow *subwindow);
 
 private:
+    MainWindow *m_parent = nullptr;
     QMenu *smolbote = nullptr;
     QMenu *window = nullptr;
     QAction *pluginInsertLocation = nullptr;