Merge pull request #26 from trunkmaster/master

Added support for WindowMaker's WMFHideApplication action.

ChangeLog

@@ -1,3 +1,28 @@
+2019-04-06  Sergii Stoian  <stoyan255@ukr.net>
+
+	* Headers/Additions/GNUstepGUI/GSDisplayServer.h,
+	* Source/NSApplication.m,
+	* Source/GSDisplayServer.m: `hidewindow` method  was renamed to
+	`hideApplication`
+
+	* Source/NSApplication.m (hide:): Change comment before call to
+	`hidewindow`.
+
+	* Source/GSDisplayServer.m (hidewindow:): fixes to return value and type.
+	Change comment.
+
+2019-04-05  Sergii Stoian  <stoyan255@gmail.com>
+
+	* Headers/AppKit/NSEvent.h: new event subtype `GSAppKitAppHide` was added.
+	* Source/NSWindow.m (sendEvent:): handle "GSAppKitAppHide" event subtype.
+
+	* Headers/Additions/GNUstepGUI/GSDisplayServer.h,
+	* Source/GSDisplayServer.m (hidewindow:): new methods was added.
+
+	* Source/NSApplication.m (hide:): Send -hidewindow: to to the main menu.
+	If window manager doesn't support _GNUSTEP_HIDE_APP atom - hide windows
+	by ourself.
+
 2019-04-03  Sergii Stoian  <stoyan255@ukr.net>
 
 	* Source/NSApplication.m (activateIgnoringOtherApps:):

Headers/Additions/GNUstepGUI/GSDisplayServer.h

@@ -136,6 +136,7 @@ APPKIT_EXPORT NSString *GSScreenNumber;
 - (void) windowbacking: (NSBackingStoreType)type : (int)win;
 - (void) titlewindow: (NSString *)window_title : (int)win;
 - (void) miniwindow: (int)win;
+- (BOOL) hideApplication: (int)win;
 - (BOOL) appOwnsMiniwindow;
 - (void) setWindowdevice: (int)win forContext: (NSGraphicsContext *)ctxt;
 // Deprecated

Headers/AppKit/NSEvent.h

@@ -532,6 +532,7 @@ typedef enum {
   GSAppKitDraggingFinished,
   GSAppKitRegionExposed,
   GSAppKitWindowDeminiaturize,
+  GSAppKitAppHide
 } GSAppKitSubtype;
 #endif
 

Source/GSDisplayServer.m

@@ -601,6 +601,13 @@ GSCurrentServer(void)
   [self subclassResponsibility: _cmd];
 }
 
+/** Ask the window manager to hide all the application windows for us. 
+    Return whether they have been hidden. */
+- (BOOL) hideApplication: (int) win
+{
+  return NO;
+}
+
 /** Returns YES if the application should create the miniwindow counterpart
     to the full size window and own it. Some display systems handle the
     miniwindow themselves. In this case the backend subclass should

Source/NSApplication.m

@@ -2496,30 +2496,36 @@ image.</p><p>See Also: -applicationIconImage</p>
 	      [_hidden_main resignMainWindow];
 	    }
 	  
-	  windows_list = GSOrderedWindows();
-	  iter = [windows_list reverseObjectEnumerator];
+          /** Ask the window manager to hide all the application windows for us. 
+              Return whether they have been hidden. */
+          win = [[self mainMenu] window];
+          if ([GSServerForWindow(win) hideApplication: [win windowNumber]] == NO)
+            {
+              windows_list = GSOrderedWindows();
+              iter = [windows_list reverseObjectEnumerator];
 	  
-	  while ((win = [iter nextObject]))
-	    {
-	      if ([win isVisible] == NO && ![win isMiniaturized])
-		{
-		  continue;		/* Already invisible	*/
-		}
-	      if ([win canHide] == NO)
-		{
-		  continue;		/* Not hideable	*/
-		}
-	      if (win == _app_icon_window)
-		{
-		  continue;		/* can't hide the app icon.	*/
-		}
-	      if (_app_is_active == YES && [win hidesOnDeactivate] == YES)
-		{
-		  continue;		/* Will be hidden by deactivation	*/
-		}
-	      [_hidden addObject: win];
-	      [win orderOut: self];
-	    }
+              while ((win = [iter nextObject]))
+                {
+                  if ([win isVisible] == NO && ![win isMiniaturized])
+                    {
+                      continue;		/* Already invisible	*/
+                    }
+                  if ([win canHide] == NO)
+                    {
+                      continue;		/* Not hideable	*/
+                    }
+                  if (win == _app_icon_window)
+                    {
+                      continue;		/* can't hide the app icon.	*/
+                    }
+                  if (_app_is_active == YES && [win hidesOnDeactivate] == YES)
+                    {
+                      continue;		/* Will be hidden by deactivation	*/
+                    }
+                  [_hidden addObject: win];
+                  [win orderOut: self];
+                }
+            }
 	  _app_is_hidden = YES;
 	  
 	  if (YES == [[NSUserDefaults standardUserDefaults]

Source/NSWindow.m

@@ -4224,6 +4224,10 @@ checkCursorRectanglesExited(NSView *theView,  NSEvent *theEvent, NSPoint lastPoi
               [self performMiniaturize: NSApp];
               break;
 
+            case GSAppKitAppHide:
+              [NSApp hide: self];
+              break;
+
             case GSAppKitWindowFocusIn:
               if (_f.is_miniaturized)
 		{