Add Fl_Window::maximize() and Fl_Window::un_maximize()

2 files changed, 9 insertions, 1 deletions

diff --git a/FL/Fl_Widget.H b/FL/Fl_Widget.H
index 3036ea582..55282857a 100644
--- a/FL/Fl_Widget.H
+++ b/FL/Fl_Widget.H
@@ -180,7 +180,7 @@ protected:
         IMAGE_BOUND     = 1<<21,  ///< binding the image to the widget will transfer ownership, so that the widget will delete the image when it is no longer needed
         DEIMAGE_BOUND   = 1<<22,  ///< bind the inactive image to the widget, so the widget deletes the image when it is no longer needed
         AUTO_DELETE_USER_DATA = 1<<23, ///< automatically call `delete` on the user_data pointer when destroying this widget; if set, user_data must point to a class derived from the class Fl_Callback_User_Data
-
+        MAXIMIZED       = 1<<24,  ///< a maximized Fl_Window
         // Note to devs: add new FLTK core flags above this line (up to 1<<28).
 
         // Three more flags, reserved for user code
diff --git a/FL/Fl_Window.H b/FL/Fl_Window.H
index 18ff8b201..f0d2f5bb0 100644
--- a/FL/Fl_Window.H
+++ b/FL/Fl_Window.H
@@ -92,6 +92,8 @@ private:
   Fl_Window(const Fl_Window&);
   Fl_Window& operator=(const Fl_Window&);
 
+  void is_maximized_(bool b);
+
 protected:
 
   /** Stores the last window that was made current. See current() const */
@@ -508,6 +510,12 @@ public:
     \see void Fl_Window::fullscreen()
     */
   void fullscreen_screens(int top, int bottom, int left, int right);
+  
+  void maximize();
+  void un_maximize();
+  /** Returns whether the window is currently maximized */
+  unsigned int maximize_active() const { return flags() & MAXIMIZED; }
+public:
   /**
     Iconifies the window.  If you call this when shown() is false
     it will show() it as an icon.  If the window is already