NSVisualEffectView: create class stub

Create stub for the NSVisualEffectView class.

Headers/AppKit/AppKit.h

@@ -198,6 +198,7 @@
 #import <AppKit/NSUserInterfaceLayout.h>
 #import <AppKit/NSUserInterfaceValidation.h>
 #import <AppKit/NSViewController.h>
+#import <AppKit/NSVisualEffectView.h>
 #import <AppKit/NSWindowController.h>
 #endif
 

Headers/AppKit/NSVisualEffectView.h

@@ -0,0 +1,91 @@
+/*
+   NSVisualEffectView.h
+  
+   View with visual effects
+
+   Copyright (C) 2017 Free Software Foundation, Inc.
+
+   Author: Daniel Ferreira <dtf@stanford.edu>
+   Date: 2017
+
+   This file is part of the GNUstep GUI Library.
+
+   This library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2 of the License, or (at your option) any later version.
+
+   This library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with this library; see the file COPYING.LIB.
+   If not, see <http://www.gnu.org/licenses/> or write to the
+   Free Software Foundation, 51 Franklin Street, Fifth Floor,
+   Boston, MA 02110-1301, USA.
+*/
+
+#import <AppKit/NSView.h>
+#import <GNUstepBase/GSVersionMacros.h>
+
+#if OS_API_VERSION(MAC_OS_X_VERSION_10_10, GS_API_LATEST)
+
+typedef NSInteger NSVisualEffectMaterial;
+enum {
+  NSVisualEffectMaterialAppearanceBased = 0,
+  NSVisualEffectMaterialTitlebar = 3,
+  NSVisualEffectMaterialMenu = 5,
+  NSVisualEffectMaterialPopover = 6,
+  NSVisualEffectMaterialSidebar = 7,
+
+  NSVisualEffectMaterialLight = 1,
+  NSVisualEffectMaterialDark = 2,
+  NSVisualEffectMaterialMediumLight = 8,
+  NSVisualEffectMaterialUltraDark = 9,
+};
+                
+typedef NSInteger NSVisualEffectBlendingMode;
+enum {
+  NSVisualEffectBlendingModeBehindWindow,
+  NSVisualEffectBlendingModeWithinWindow,
+};
+
+typedef NSInteger NSVisualEffectState;
+enum {
+  NSVisualEffectStateFollowsWindowActiveState,
+  NSVisualEffectStateActive,
+  NSVisualEffectStateInactive,
+};
+
+@interface NSVisualEffectView : NSView {
+}
+
+#if GS_HAS_DECLARED_PROPERTIES
+@property NSVisualEffectMaterial material;
+
+@property(readonly) NSInteger interiorBackgroundStyle;
+@property NSVisualEffectBlendingMode blendingMode;
+
+@property NSVisualEffectState state;
+@property(retain) NSImage *maskImage;
+#else
+- (NSVisualEffectMaterial) material;
+- (void) setMaterial: (NSVisualEffectMaterial)material;
+
+- (NSInteger)interiorBackgroundStyle;
+
+- (NSVisualEffectBlendingMode) blendingMode;
+- (void) setBlendingMode: (NSVisualEffectBlendingMode) mode;
+
+- (NSVisualEffectState) state;
+- (void) setState: (NSVisualEffectState)state;
+
+- (NSImage *) maskImage;
+- (void) setMaskImage: (NSImage *)image;
+#endif
+
+@end
+
+#endif

Source/GNUmakefile

@@ -199,6 +199,7 @@ NSTreeNode.m \
 NSUserDefaultsController.m \
 NSView.m \
 NSViewController.m \
+NSVisualEffectView.m \
 NSWindow.m \
 NSWindowController.m \
 NSWorkspace.m \
@@ -423,6 +424,7 @@ NSUserDefaultsController.h \
 NSUserInterfaceLayout.h \
 NSView.h \
 NSViewController.h \
+NSVisualEffectView.h \
 NSWindow.h \
 NSWindowController.h \
 NSWorkspace.h \

Source/NSVisualEffectView.m

@@ -0,0 +1,76 @@
+/*
+   NSVisualEffectView.m
+  
+   View with visual effects
+
+   Copyright (C) 2017 Free Software Foundation, Inc.
+
+   Author: Daniel Ferreira <dtf@stanford.edu>
+   Date: 2017
+
+   This file is part of the GNUstep GUI Library.
+
+   This library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2 of the License, or (at your option) any later version.
+
+   This library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with this library; see the file COPYING.LIB.
+   If not, see <http://www.gnu.org/licenses/> or write to the
+   Free Software Foundation, 51 Franklin Street, Fifth Floor,
+   Boston, MA 02110-1301, USA.
+*/
+
+#import <AppKit/NSVisualEffectView.h>
+
+@implementation NSVisualEffectView
+- (NSVisualEffectMaterial) material
+{
+  return 0;
+}
+
+- (void) setMaterial: (NSVisualEffectMaterial)material
+{
+  return;
+}
+
+- (NSInteger)interiorBackgroundStyle
+{
+  return 0;
+}
+
+- (NSVisualEffectBlendingMode) blendingMode
+{
+  return 0;
+}
+- (void) setBlendingMode: (NSVisualEffectBlendingMode) mode
+{
+  return;
+}
+
+- (NSVisualEffectState) state
+{
+  return 0;
+}
+
+- (void) setState: (NSVisualEffectState)state
+{
+  return;
+}
+
+- (NSImage *) maskImage
+{
+  return nil;
+}
+
+- (void) setMaskImage: (NSImage *)image
+{
+  return;
+}
+@end