Merge pull request #60 from gnustep/NSSwitch_branch

NSSwitch branch

ChangeLog

@@ -1,3 +1,23 @@
+2020-04-26 Gregory John Casamento <greg.casamento@gmail.com>
+
+	* Headers/Additions/GNUstepGUI/GSTheme.h: Add declarations
+        for new drawing methods.
+	* Headers/AppKit/AppKit.h: Add new headers
+	* Headers/AppKit/NSAccessibilityProtocols.h
+	* Headers/AppKit/NSCell.h: Add NSControlStateValue enum
+	* Headers/AppKit/NSSwitch.h: Header for NSSwitch
+	* MISSING: Remove NSSwitch
+	* Source/GNUmakefile: Add .h and .m files
+	* Source/GSThemeDrawing.m: Add drawing code for knob and
+        switch basin.
+	* Source/GSXib5KeyedUnarchiver.m: Add decoding for
+        NSControlContents.  Make sure enabled is YES when not
+        present.
+	* Source/NSColor.m: Minor changes
+	* Source/NSMatrix.m: Remove uneeded code
+	* Source/NSSwitch.m: Implementation of NSSwitch
+	* Source/NSToolbarItem.m: Remove uneeded code
+
 2020-04-13 Gregory John Casamento <greg.casamento@gmail.com>
 
 	* Headers/AppKit/AppKitErrors.h:

Headers/Additions/GNUstepGUI/GSTheme.h

@@ -958,6 +958,20 @@ APPKIT_EXPORT	NSString	*GSThemeWillDeactivateNotification;
  */
 - (void) drawStepperHighlightDownButton: (NSRect)aRect;
 
+// NSSwitch drawing methods
+- (void) drawSwitchKnob: (NSRect)frame
+               forState: (NSControlStateValue)value
+                enabled: (BOOL)enabled;
+
+
+- (void) drawSwitchBezel: (NSRect)frame
+                forState: (NSControlStateValue)v
+                 enabled: (BOOL)enabled;
+
+- (void) drawSwitchInRect: (NSRect)rect
+                 forState: (NSControlStateValue)state
+                  enabled: (BOOL)enabled;
+
 // NSSegmentedControl drawing methods
 
 - (void) drawSegmentedControlSegment: (NSCell *)cell

Headers/AppKit/AppKit.h

@@ -47,6 +47,7 @@
 
 #import <AppKit/NSAccessibility.h>
 #import <AppKit/NSAccessibilityConstants.h>
+#import <AppKit/NSAccessibilityProtocols.h>
 #import <AppKit/NSActionCell.h>
 #import <AppKit/NSAnimationContext.h>
 #import <AppKit/NSAppearance.h>
@@ -216,6 +217,7 @@
 #import <AppKit/NSStepperTouchBarItem.h>
 #import <AppKit/NSStepper.h>
 #import <AppKit/NSStepperCell.h>
+#import <AppKit/NSSwitch.h>
 #import <AppKit/NSTableColumn.h>
 #import <AppKit/NSTableHeaderCell.h>
 #import <AppKit/NSTableHeaderView.h>

Headers/AppKit/NSAccessibilityProtocols.h

@@ -0,0 +1,61 @@
+/* Definition of class NSAccessibilityProtocols
+   Copyright (C) 2020 Free Software Foundation, Inc.
+   
+   By: Gregory John Casamento
+   Date: Sun Apr 19 09:56:39 EDT 2020
+
+   This file is part of the GNUstep 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 2.1 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; if not, write to the Free
+   Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+   Boston, MA 02110 USA.
+*/
+
+#ifndef _NSAccessibilityProtocols_h_GNUSTEP_GUI_INCLUDE
+#define _NSAccessibilityProtocols_h_GNUSTEP_GUI_INCLUDE
+
+#import <Foundation/NSObject.h>
+
+#if OS_API_VERSION(MAC_OS_X_VERSION_10_10, GS_API_LATEST)
+
+#if	defined(__cplusplus)
+extern "C" {
+#endif
+
+@protocol NSAccessibilityElement <NSObject>
+- (NSRect)accessibilityFrame;
+- (NSString *)accessibilityIdentifier;
+- (id)accessibilityParent;
+- (BOOL)isAccessibilityFocused;
+@end
+
+@protocol NSAccessibilityButton <NSAccessibilityElement>
+- (NSString *)accessibilityLabel;
+- (BOOL)accessibilityPerformPress;
+@end
+
+@protocol NSAccessibilitySwitch <NSAccessibilityButton>
+- (BOOL) accessibilityPerformDecrement;
+- (BOOL) accessibilityPerformIncrement;
+- (NSString *) accessibilityValue;
+@end
+
+#if	defined(__cplusplus)
+}
+#endif
+
+#endif	/* GS_API_MACOSX */
+
+#endif	/* _NSAccessibilityProtocols_h_GNUSTEP_GUI_INCLUDE */
+

Headers/AppKit/NSCell.h

@@ -123,6 +123,18 @@ enum {
 };
 typedef NSUInteger NSCellStateValue;
 
+#if OS_API_VERSION(MAC_OS_X_VERSION_10_13, GS_API_LATEST)
+/*
+ * Control state values as of 10.13
+ */ 
+enum { 
+  NSControlStateValueMixed = -1,
+  NSControlStateValueOff   =  0,
+  NSControlStateValueOn    =  1
+};
+typedef NSUInteger NSControlStateValue;
+#endif
+
 /**
  *  <p>Enumeration of the ways that you can display an image in an
  *  NSImageCell.  The available ones are:</p>

Headers/AppKit/NSSwitch.h

@@ -0,0 +1,58 @@
+/* Definition of class NSSwitch
+   Copyright (C) 2020 Free Software Foundation, Inc.
+   
+   By: Gregory John Casamento
+   Date: Wed Apr  8 22:01:02 EDT 2020
+
+   This file is part of the GNUstep 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 2.1 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; if not, write to the Free
+   Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+   Boston, MA 02110 USA.
+*/
+
+#ifndef _NSSwitch_h_GNUSTEP_GUI_INCLUDE
+#define _NSSwitch_h_GNUSTEP_GUI_INCLUDE
+
+#import <AppKit/NSControl.h>
+#import <AppKit/NSCell.h>
+#import <AppKit/NSAccessibilityProtocols.h>
+
+#if OS_API_VERSION(MAC_OS_X_VERSION_10_15, GS_API_LATEST)
+
+#if	defined(__cplusplus)
+extern "C" {
+#endif
+
+@interface NSSwitch : NSControl <NSAccessibilitySwitch>
+{
+  NSControlStateValue _state;
+  id _target;
+  SEL _action;
+  BOOL _enabled;
+}
+
+- (void) setState: (NSControlStateValue)s;
+- (NSControlStateValue) state;
+  
+@end
+
+#if	defined(__cplusplus)
+}
+#endif
+
+#endif	/* GS_API_MACOSX */
+
+#endif	/* _NSSwitch_h_GNUSTEP_GUI_INCLUDE */
+

MISSING

@@ -4,7 +4,6 @@ MISSING HEADERS
 > NSAccessibilityCustomAction.h
 > NSAccessibilityCustomRotor.h
 > NSAccessibilityElement.h
-> NSAccessibilityProtocols.h
 > NSCollectionViewCompositionalLayout.h
 > NSCollectionViewFlowLayout.h
 > NSCollectionViewGridLayout.h
@@ -38,7 +37,6 @@ MISSING HEADERS
 > NSStatusBarButton.h
 > NSStoryboard.h
 > NSStoryboardSegue.h
-> NSSwitch.h
 > NSTabViewController.h
 > NSTableCellView.h
 > NSTableRowView.h

Source/GNUmakefile

@@ -122,6 +122,7 @@ NSRotationGestureRecognizer.m \
 NSSharingServicePickerTouchBarItem.m \
 NSSliderTouchBarItem.m \
 NSStepperTouchBarItem.m \
+NSSwitch.m \
 NSTouch.m \
 NSTouchBar.m \
 NSTouchBarItem.m \
@@ -351,6 +352,7 @@ AppKitErrors.h \
 AppKitExceptions.h \
 NSAccessibility.h \
 NSAccessibilityConstants.h \
+NSAccessibilityProtocols.h \
 NSActionCell.h \
 NSAffineTransform.h \
 NSAlert.h \
@@ -506,6 +508,7 @@ NSStepperTouchBarItem.h \
 NSStringDrawing.h \
 NSStatusBar.h \
 NSStatusItem.h \
+NSSwitch.h \
 NSTabView.h \
 NSTabViewItem.h \
 NSTableColumn.h \

Source/GSThemeDrawing.m

@@ -816,6 +816,139 @@
     [self drawStepperDownButton: downRect];
 }
 
+// NSSwitch drawing methods
+
+- (void) drawSwitchBezel: (NSRect)frame
+                forState: (NSControlStateValue)v
+                 enabled: (BOOL)enabled
+{
+  NSBezierPath *p;
+  NSPoint point;
+  CGFloat radius;
+  NSColor *backgroundColor;
+  
+  if (enabled == NO)
+    {
+      backgroundColor = [NSColor disabledControlTextColor];
+    }
+  else if (NSControlStateValueOn != v)
+    {
+      backgroundColor = [NSColor windowBackgroundColor]; // offColor
+    }
+  else
+    {
+      backgroundColor = [NSColor selectedControlColor]; // onColor
+    }
+  
+  // make smaller than enclosing frame
+  frame = NSInsetRect(frame, 4, 4);
+  radius = frame.size.height / 2.0;
+  point = frame.origin;
+  point.x += radius;
+  point.y += radius - 0.5;
+
+  // Draw initial path to enclose the button...
+  // left half-circle
+  p = [NSBezierPath bezierPath];
+  [p appendBezierPathWithArcWithCenter: point
+				radius: radius
+			    startAngle: 90.0
+			      endAngle: 270.0];
+
+  // line to first point and right halfcircle
+  point.x += frame.size.width - frame.size.height;
+  [p appendBezierPathWithArcWithCenter: point
+				radius: radius
+			    startAngle: 270.0
+			      endAngle: 90.0];
+  [p closePath];
+
+  // fill with background color
+  [backgroundColor set];
+  [p fill];
+
+  // and stroke rounded button
+  [[NSColor shadowColor] set];
+  [p stroke];
+
+  // Add highlights...
+  point = frame.origin;
+  point.x += radius - 0.5;
+  point.y += radius - 0.5;
+  p = [NSBezierPath bezierPath];
+  [p setLineWidth: 1.0];
+  [p appendBezierPathWithArcWithCenter: point
+				radius: radius
+			    startAngle: 135.0
+			      endAngle: 270.0];
+
+  // line to first point and right halfcircle
+  point.x += frame.size.width - frame.size.height;
+  [p appendBezierPathWithArcWithCenter: point
+				radius: radius
+			    startAngle: 270.0
+			      endAngle: 315.0];
+  [[NSColor controlLightHighlightColor] set];
+  [p stroke];
+}
+
+- (void) drawSwitchKnob: (NSRect)frame
+               forState: (NSControlStateValue)value
+                enabled: (BOOL)enabled
+{
+  NSColor *backgroundColor = enabled ? [NSColor windowBackgroundColor] : [NSColor disabledControlTextColor];
+  NSBezierPath *oval;
+  NSRect rect = NSZeroRect;
+  CGFloat w = (frame.size.width / 2) - 2;
+  CGFloat h = frame.size.height - 6;
+  CGFloat y = frame.origin.y + 2;
+  CGFloat radius = frame.size.height / 2.0;
+
+  [backgroundColor set];
+  if (value == NSControlStateValueOff)
+    {
+      rect = NSMakeRect(frame.origin.x + 4,
+                        y,
+                        w,
+                        h);
+    }
+  else
+    {
+      rect = NSMakeRect(frame.origin.x + ((frame.size.width - 2 * radius) + 2), // ((frame.size.width - w) - 2)
+                        y,
+                        w,
+                        h);
+    }
+  
+  
+  oval = [NSBezierPath bezierPathWithOvalInRect: NSInsetRect(rect, 1, 1)];
+  
+  // fill oval with background color
+  [backgroundColor set];
+  [oval fill];
+  
+  // and stroke rounded button
+  [[NSColor shadowColor] set];
+  [oval stroke];
+}
+
+
+- (void) drawSwitchInRect: (NSRect)rect
+                 forState: (NSControlStateValue)state
+                  enabled: (BOOL)enabled
+{
+  // Draw the well bezel
+  [self drawSwitchBezel: rect
+               forState: state
+                enabled: enabled];
+
+  // Draw the knob
+  [self drawSwitchKnob: rect
+              forState: state
+               enabled: enabled];
+        
+}
+
 // NSSegmentedControl drawing methods
 
 - (void) drawSegmentedControlSegment: (NSCell *)cell

Source/GSXib5KeyedUnarchiver.m

@@ -53,6 +53,7 @@
 #import "AppKit/NSScrollView.h"
 #import "AppKit/NSSliderCell.h"
 #import "AppKit/NSSplitView.h"
+#import "AppKit/NSSwitch.h"
 #import "AppKit/NSTableColumn.h"
 #import "AppKit/NSTableHeaderView.h"
 #import "AppKit/NSTableView.h"
@@ -381,7 +382,8 @@ static NSArray      *XmlBoolDefaultYes  = nil;
                @"decodeDividerStyleForElement:", @"NSDividerStyle",
                @"decodeToolbarIdentifiedItemsForElement:", @"NSToolbarIBIdentifiedItems",
                @"decodeToolbarImageForElement:", @"NSToolbarItemImage",
-               nil];
+               @"decodeControlContentsForElement:", @"NSControlContents",
+                 nil];
           RETAIN(XmlKeyToDecoderSelectorMap);
 
           // boolean fields that should be treated as YES when missing.
@@ -390,6 +392,7 @@ static NSArray      *XmlBoolDefaultYes  = nil;
                                                @"bordered",
                                                @"prefersToBeShown",
                                                @"editable",
+                                               @"enabled",
                                                nil];
         }
     }
@@ -2725,6 +2728,19 @@ didStartElement: (NSString*)elementName
   return [self findResourceWithName: name];
 }
 
+- (id) decodeControlContentsForElement: (GSXibElement *)element
+{
+  NSNumber *num = [NSNumber numberWithInteger: 0];
+  id obj = [element attributeForKey: @"state"];
+
+  if ([obj isEqualToString: @"on"])
+    {
+      num = [NSNumber numberWithInteger: 1];
+    }
+
+  return num;
+}
+
 - (id) objectForXib: (GSXibElement*)element
 {
   id object = [super objectForXib: element];
@@ -2788,7 +2804,6 @@ didStartElement: (NSString*)elementName
       else if ([object respondsToSelector: @selector(setHeaderToolTip:)])
         [object setHeaderToolTip: [element attributeForKey: @"toolTip"]];
     }
-
   // Process IB runtime attributes for element...
   // Ensure we don't process the placeholders...
   if ([element elementForKey: @"userDefinedRuntimeAttributes"] &&
@@ -3153,6 +3168,10 @@ didStartElement: (NSString*)elementName
           hasValue  = [currentElement attributeForKey: @"title"] != nil;
           hasValue |= [currentElement attributeForKey: @"image"] != nil;
         }
+      else if ([@"NSControlContents" isEqualToString: key])
+        {
+          hasValue  = [currentElement attributeForKey: @"state"] != nil;
+        }
       else if ([@"NSAlternateContents" isEqualToString: key])
         {
           hasValue  = [currentElement attributeForKey: @"alternateTitle"] != nil;

Source/NSColor.m

@@ -899,7 +899,7 @@ systemColorWithName(NSString *name)
   return systemColorWithName(@"toolTipTextColor");
 }
 
-+ (NSColor *)windowBackgroundColor
++ (NSColor *) windowBackgroundColor
 {
   return systemColorWithName(@"windowBackgroundColor");
 }

Source/NSMatrix.m

@@ -130,12 +130,6 @@ typedef struct {
   NSInteger height;
 } MRect;
 
-static inline MPoint MakePoint (NSInteger x, NSInteger y)
-{
-  MPoint point = { x, y };
-  return point;
-}
-
 @interface NSMatrix (PrivateMethods)
 - (void) _renewRows: (NSInteger)row
 	    columns: (NSInteger)col

Source/NSSwitch.m

@@ -0,0 +1,291 @@
+/* Implementation of class NSSwitch
+   Copyright (C) 2020 Free Software Foundation, Inc.
+   
+   By: Gregory John Casamento
+   Date: Wed Apr  8 22:01:02 EDT 2020
+
+   This file is part of the GNUstep 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 2.1 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; if not, write to the Free
+   Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+   Boston, MA 02110 USA.
+*/
+
+#import "AppKit/NSSwitch.h"
+#import "GNUstepGUI/GSTheme.h"
+
+@implementation NSSwitch
+
++ (void) initialize
+{
+  if (self == [NSSwitch class])
+    {
+      [self setVersion: 1];
+    }
+}
+
+- (void) setState: (NSControlStateValue)s
+{
+  _state = s;
+  [self setNeedsDisplay];
+}
+
+- (NSControlStateValue) state
+{
+  return _state;
+}
+
+- (void) setAction: (SEL)action
+{
+  _action = action;
+}
+
+- (SEL) action
+{
+  return _action;
+}
+
+- (void) setTarget: (id)target
+{
+  _target = target;
+}
+
+- (id) target
+{
+  return _target;
+}
+
+- (void) setEnabled: (BOOL)flag
+{
+  _enabled = flag;
+  [self setNeedsDisplay];
+}
+
+- (BOOL) isEnabled
+{
+  return _enabled;
+}
+
+- (void) setDoubleValue: (double)val
+{
+  if (val < 1.0)
+    {
+      [self setState: NSControlStateValueOff];
+    }
+  else
+    {
+      [self setState: NSControlStateValueOn];
+    }
+}
+
+- (double) doubleValue
+{
+  return (double)(([self state] == NSControlStateValueOn) ? 1.0 : 0.0);
+}
+
+- (void) setFloatValue: (float)val
+{
+  [self setDoubleValue: (double)val];
+}
+
+- (float) floatValue
+{
+  return (float)[self doubleValue];
+}
+
+- (void) setIntValue: (int)val
+{
+  [self setDoubleValue: (double)val];
+}
+
+- (int) intValue
+{
+  return (int)[self doubleValue];
+}
+
+- (void) setIntegerValue: (NSInteger)val
+{
+  [self setDoubleValue: (double)val];
+}
+
+- (NSInteger) integerValue
+{
+  return (NSInteger)[self doubleValue];
+}
+
+- (void) setStringValue: (NSString *)val
+{
+  [self setDoubleValue: [val doubleValue]];
+}
+
+- (NSString *) stringValue
+{
+  return [NSString stringWithFormat: @"%ld", [self integerValue]];
+}
+
+- (void) setObjectValue: (id)obj
+{
+  if ([obj respondsToSelector: @selector(stringValue)])
+    {
+      [self setStringValue: [obj stringValue]];
+    }
+}
+
+- (id) objectValue
+{
+  return [self stringValue];
+}
+
+- (void) drawRect: (NSRect)rect
+{
+  [[GSTheme theme] drawSwitchInRect: rect
+                           forState: _state
+                            enabled: [self isEnabled]];
+}
+
+- (void) mouseDown: (NSEvent *)event
+{
+  if (![self isEnabled])
+    {
+      [super mouseDown: event];
+      return;
+    }
+  
+  if (_state == NSControlStateValueOn)
+    {
+      [self setState: NSControlStateValueOff];
+    }
+  else
+    {
+      [self setState: NSControlStateValueOn];
+    }
+
+  if (_action)
+    {
+      [self sendAction: _action
+                    to: _target];
+    }
+}
+
+// Accessibility
+- (NSRect)accessibilityFrame
+{
+  return [self frame];
+}
+
+- (NSString *)accessibilityIdentifier
+{
+  return nil;
+}
+
+- (id)accessibilityParent
+{
+  return nil;
+}
+
+- (BOOL)isAccessibilityFocused
+{
+  return NO;
+}
+
+- (NSString *)accessibilityLabel
+{
+  return nil;
+}
+
+- (BOOL)accessibilityPerformPress
+{
+  return NO;
+}
+
+- (BOOL) accessibilityPerformDecrement
+{
+  return NO;
+}
+
+- (BOOL) accessibilityPerformIncrement
+{
+  return NO;
+}
+
+- (NSString *) accessibilityValue
+{
+  return nil;
+}
+
+// NSCoding
+- (id) initWithCoder: (NSCoder *)coder
+{
+  if ((self = [super initWithCoder: coder]) != nil)
+    {
+      if ([coder allowsKeyedCoding])
+        {
+          if ([coder containsValueForKey: @"NSControlContents"])
+            {
+              [self setState: [coder decodeIntegerForKey: @"NSControlContents"]];
+            }
+          if ([coder containsValueForKey: @"NSControlAction"])
+            {
+              NSString *s = [coder decodeObjectForKey: @"NSControlAction"];
+              [self setAction: NSSelectorFromString(s)];
+            }
+          if ([coder containsValueForKey: @"NSControlTarget"])
+            {
+              id t = [coder decodeObjectForKey: @"NSControlTarget"];
+              [self setTarget: t];
+            }
+          if ([coder containsValueForKey: @"NSEnabled"])
+            {
+              BOOL e = [coder decodeBoolForKey: @"NSEnabled"];
+
+              // NSControl decodes this, but does not use the value which
+              // is decoded.  See comment in NSControl.m initWithCoder:.
+              [self setEnabled: e];
+            }
+        }
+      else
+        {
+          [coder decodeValueOfObjCType: @encode(NSInteger)
+                                    at: &_state];
+          [self setAction: NSSelectorFromString((NSString *)[coder decodeObject])];
+          [self setTarget: [coder decodeObject]];
+        }
+    }
+  
+    return self;
+}
+
+- (void) encodeWithCoder: (NSCoder *)coder
+{
+  [super encodeWithCoder: coder];
+  if ([coder allowsKeyedCoding])
+    {
+      [coder encodeInteger: _state
+                    forKey: @"NSControlContents"];
+      [coder encodeObject: NSStringFromSelector(_action)
+                   forKey: @"NSControlAction"];
+      [coder encodeObject: _target
+                   forKey: @"NSControlTarget"];
+    }
+  else
+    {
+      [coder encodeValueOfObjCType: @encode(NSInteger)
+                                at: &_state];
+      [coder encodeObject: NSStringFromSelector([self action])];
+      [coder encodeObject: [self target]];
+    }
+}
+
+@end
+

Source/NSToolbarItem.m

@@ -84,7 +84,7 @@ typedef enum {
 static const int ItemBackViewX = 0;
 static const int ItemBackViewY = 0;
 static const int InsetItemViewX = 10;
-static const int InsetItemViewY = 26;
+// static const int InsetItemViewY = 26;
 static const int InsetItemTextX = 3;
 static const int InsetItemTextY = 4;