Add 10.5 methods and new ivar.

git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/gui/trunk@28184 72102866-910b-0410-8b05-ffd578937521

ChangeLog

@@ -1,3 +1,14 @@
+2009-04-07 Fred Kiefer <FredKiefer@gmx.de>
+
+	* Headers/AppKit/NSSplitView.h
+	(-maxPossiblePositionOfDividerAtIndex:,
+	-minPossiblePositionOfDividerAtIndex:,
+	-setPosition:ofDividerAtIndex:): New MacOSX 10.5 methods. 
+	* Source/NSSplitView.m: Basic implementation of these methods. 
+	* Headers/AppKit/NSSplitView.h: Add ivars, will break binary compatibility.
+	* Source/NSSplitView.m (-isPaneSplitter, -setIsPaneSplitter:):
+	Implement these methods.
+
 2009-04-07 Sergii Stoian <stoyan255@gmail.com>
 
 	* Source/NSSplitView.m (-mouseDown:): When checking if divider

Headers/AppKit/NSSplitView.h

@@ -37,21 +37,22 @@
 @interface NSSplitView : NSView
 {
   id	      _delegate;
-  float     _dividerWidth;
-  float     _draggedBarWidth;
-  BOOL      _isVertical;
   NSImage  *_dimpleImage;
   NSColor  *_backgroundColor; 
   NSColor  *_dividerColor;
-  BOOL      _never_displayed_before;
   NSString *_autosaveName;
+  CGFloat   _dividerWidth;
+  CGFloat   _draggedBarWidth;
+  BOOL      _isVertical;
+  BOOL      _never_displayed_before;
+  BOOL      _is_pane_splitter;
 }
 
 - (void) setDelegate: (id)anObject;
 - (id) delegate;
 - (void) adjustSubviews;
 - (void) drawDividerInRect: (NSRect)aRect;
-- (float) dividerThickness;
+- (CGFloat) dividerThickness;
 
 /* Vertical splitview has a vertical split bar */ 
 - (void) setVertical: (BOOL)flag;
@@ -61,8 +62,15 @@
 - (BOOL) isSubviewCollapsed: (NSView *)subview;
 - (BOOL) isPaneSplitter;
 - (void) setIsPaneSplitter: (BOOL)flag;
+#endif
+
+#if OS_API_VERSION(MAC_OS_X_VERSION_10_5, GS_API_LATEST)
 - (void) setAutosaveName: (NSString *)autosaveName;
 - (NSString *) autosaveName;
+
+- (CGFloat) maxPossiblePositionOfDividerAtIndex: (NSInteger)dividerIndex;
+- (CGFloat) minPossiblePositionOfDividerAtIndex: (NSInteger)dividerIndex;
+- (void) setPosition: (CGFloat)position ofDividerAtIndex: (NSInteger)dividerIndex;
 #endif
 
 @end
@@ -70,8 +78,8 @@
 #if OS_API_VERSION(GS_API_NONE, GS_API_NONE)
 @interface NSSplitView (GNUstepExtra)
 /* extra methods to make it more usable */
-- (float) draggedBarWidth;
-- (void) setDraggedBarWidth: (float)newWidth;
+- (CGFloat) draggedBarWidth;
+- (void) setDraggedBarWidth: (CGFloat)newWidth;
 /* if flag is yes, dividerThickness is reset to the height/width of the dimple
    image + 1;
 */

Source/NSSplitView.m

@@ -76,6 +76,7 @@ static NSNotificationCenter *nc = nil;
 
       _never_displayed_before = YES;
       _autoresizes_subviews = NO;
+      _is_pane_splitter = YES;
     }
   return self;
 }
@@ -848,7 +849,7 @@ static NSNotificationCenter *nc = nil;
     }
 }
 
-- (float) dividerThickness 
+- (CGFloat) dividerThickness 
 {
   /*
    * You need to override this method in subclasses to change the
@@ -905,19 +906,17 @@ static inline NSPoint centerSizeInRect(NSSize innerSize, NSRect outerRect)
 
 - (BOOL) isSubviewCollapsed: (NSView *)subview
 {
-  // FIXME
-  return NO;
+  return NSIsEmptyRect([subview frame]);
 }
 
 - (BOOL) isPaneSplitter
 {
-  /* TODO */
-  return NO;
+  return _is_pane_splitter;
 }
 
 - (void) setIsPaneSplitter: (BOOL)flag
 {
-  /* TODO */
+  _is_pane_splitter = flag;
 }
 
 - (NSString *) autosaveName
@@ -930,6 +929,149 @@ static inline NSPoint centerSizeInRect(NSSize innerSize, NSRect outerRect)
   ASSIGN(_autosaveName, autosaveName);
 }
 
+- (CGFloat) maxPossiblePositionOfDividerAtIndex: (NSInteger)dividerIndex
+{
+  NSArray *subs = [self subviews];
+  unsigned count = [subs count];
+  NSView *view;
+
+  if ((dividerIndex >= count - 1) || (dividerIndex < 0))
+    {
+      if (_isVertical)
+        {
+          return NSMaxX([self bounds]);
+        }
+      else
+        {
+          return NSMaxY([self bounds]);
+        }
+    }
+
+  view = [subs objectAtIndex: dividerIndex + 1];
+  if (_isVertical)
+    {
+      return NSMaxX([view frame]);
+    }
+  else
+    {
+      return NSMaxY([view frame]);
+    }
+}
+
+- (CGFloat) minPossiblePositionOfDividerAtIndex: (NSInteger)dividerIndex
+{
+  NSArray *subs = [self subviews];
+  unsigned count = [subs count];
+  NSView *view;
+
+  if ((dividerIndex >= count - 1) || (dividerIndex < 0))
+    {
+      if (_isVertical)
+        {
+          return NSMinX([self bounds]);
+        }
+      else
+        {
+          return NSMinY([self bounds]);
+        }
+    }
+
+  view = [subs objectAtIndex: dividerIndex];
+  if (_isVertical)
+    {
+      return NSMinX([view frame]);
+    }
+  else
+    {
+      return NSMinY([view frame]);
+    }
+}
+
+- (void) setPosition: (CGFloat)position 
+    ofDividerAtIndex: (NSInteger)dividerIndex
+{
+  NSArray *subs = [self subviews];
+  unsigned count = [subs count];
+  CGFloat old_position;
+  NSView *prev;
+  NSView *next;
+  NSRect r, r1;
+
+  if ((dividerIndex >= count - 1) || (dividerIndex < 0))
+    {
+      return;
+    }
+
+  if (_delegate && 
+      [_delegate respondsToSelector: 
+                     @selector(splitView:constrainSplitPosition:ofSubviewAt:)])
+    {
+       position = [_delegate splitView: self
+                             constrainSplitPosition: position
+                             ofSubviewAt: dividerIndex]; 
+    }
+
+  // FIXME
+  [nc postNotificationName: NSSplitViewWillResizeSubviewsNotification
+                    object: self];
+
+  prev = [subs objectAtIndex: dividerIndex];
+  next = [subs objectAtIndex: dividerIndex + 1];
+  r = [prev frame];
+  r1 = [next frame];
+  // Compute the old split position
+  if (_isVertical == NO)
+    {
+      old_position = (NSMaxY(r) + NSMinY(r1)) / 2;
+    }
+  else
+    {
+      old_position = (NSMaxX(r) + NSMinX(r1)) / 2;
+    }
+
+  // Compute new rectangles
+  if (_isVertical == NO)
+    {
+      r.size.height += position - old_position;
+      if (NSHeight(r) < 1.)
+        {
+          r.size.height = 1.;
+        }
+    }
+  else
+    {
+      r.size.width += position - old_position;
+      if (NSWidth(r) < 1.)
+        {
+          r.size.width = 1.;
+        }
+    }
+
+  if (_isVertical == NO)
+    {
+      r1.origin.y += position - old_position;
+      r1.size.height -= position - old_position;
+      if (NSHeight(r) < 1.)
+        {
+          r.size.height = 1.;
+        }
+    }
+  else
+    {
+      r1.origin.x += position - old_position;
+      r1.size.width -= position - old_position;
+      if (NSWidth(r1) < 1.)
+        {
+          r1.size.width = 1.;
+        }
+    }
+
+  /* resize the subviews accordingly */
+  [prev setFrame: r];
+  [next setFrame: r1];
+}
+
+
 /* Overridden Methods */
 - (void) drawRect: (NSRect)r
 {
@@ -1075,6 +1217,7 @@ static inline NSPoint centerSizeInRect(NSSize innerSize, NSRect outerRect)
       ASSIGN(_backgroundColor, [NSColor controlBackgroundColor]);
       ASSIGN(_dimpleImage, [NSImage imageNamed: @"common_Dimple"]); 
       _never_displayed_before = YES;
+      _is_pane_splitter = YES;
     }
   else
     {
@@ -1108,13 +1251,13 @@ static inline NSPoint centerSizeInRect(NSSize innerSize, NSRect outerRect)
  * FIXME: Perhaps the following two should be removed and _dividerWidth 
  * should be used also for dragging?
  */
-- (float) draggedBarWidth
+- (CGFloat) draggedBarWidth
 {
   //defaults to 8
   return _draggedBarWidth;
 }
 
-- (void) setDraggedBarWidth: (float)newWidth
+- (void) setDraggedBarWidth: (CGFloat)newWidth
 {
   _draggedBarWidth = newWidth;
 }