ecere/gui: (#992) Fix for coming back from fullscreen on Cinnamon

- (occasional wrong stacking of windows)

ecere/src/gui/GuiApplication.ec

@@ -411,12 +411,26 @@ public class GuiApplication : Application
 
          // Maximized native decorations windows suffer when we drag the dock around, so remaximize them
          // It's a little jumpy, but oh well.
+
+         // Made this Windows only as it was causing occasional wrong stacking of windows in X11/Cinnamon
+         // when switching debugged app from full-screen
+
          for(child = desktop.children.first; child; child = child.next)
          {
             if(child.nativeDecorations && child.rootWindow == child && child.state == maximized)
             {
+#if defined(__WIN32__)
                child.state = normal;
                child.state = maximized;
+#else
+               if(child.active)
+               {
+                  child.state = normal;
+                  child.state = maximized;
+               }
+               else
+                  child.requireRemaximize = true;
+#endif
             }
          }
          /*for(child = desktop.children.first; child; child = child.next)

ecere/src/gui/Window.ec

@@ -3458,6 +3458,15 @@ private:
          if(rootWindow == this)
             Log(active ? "active\n" : "inactive\n");
          */
+         if(active && requireRemaximize)
+         {
+            if(state == maximized)
+            {
+               property::state = normal;
+               property::state = maximized;
+            }
+            requireRemaximize = false;
+         }
 
          // Testing this here...
          if(!parent || parent == guiApp.desktop || parent.active)
@@ -9571,6 +9580,7 @@ private:
       bool nativeDecorations:1;
       bool manageDisplay:1;
       bool formDesigner:1; // True if we this is running in the form editor
+      bool requireRemaximize:1;
    };
 
    // Checks used internally for them not to take effect in FormDesigner