Add support for popup preferred edge.

git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/gui/trunk@26023 72102866-910b-0410-8b05-ffd578937521

ChangeLog

@@ -1,3 +1,14 @@
+2008-02-04 Fred Kiefer <FredKiefer@gmx.de>
+
+	* Images/common_3DArrowLeft.tiff,
+	* Images/common_3DArrowUp.tiff: New files
+	* Images/GNUmakefile: Install new files.
+	* Source/NSMenuView.m
+	(-setWindowFrameForAttachingToRect:...popUpSelectedItem:):
+	Implement preferred edge handling.
+	* Source/NSPopUpButtonCell.m: Rewrote handling of preferred edge,
+	arrow possition and pull down flag.
+
 2008-02-04 Fred Kiefer <FredKiefer@gmx.de>
 
 	* Source/GSHorizontalTypesetter.m

Images/GNUmakefile

@@ -34,6 +34,8 @@ imagedir = $(GNUSTEP_LIBRARY)/Images
 
 IMAGE_FILES = \
 GNUstep_Images_Copyright \
+common_3DArrowUp.tiff \
+common_3DArrowLeft.tiff \
 common_3DArrowDown.tiff \
 common_ArrowDown.tiff \
 common_ArrowDownH.tiff \

Source/NSMenuView.m

@@ -1075,13 +1075,24 @@ _addLeftBorderOffsetToRect(NSRect aRect)
         }
     }  
   
+  // Update position, if needed, using the preferredEdge
+  if (edge == NSMaxYEdge)
+	    {
+	      screenFrame.origin.y += screenRect.size.height;  
+	    }
+	  else if (edge == NSMaxXEdge)
+	    {
+	      screenFrame.origin.x += screenRect.size.width;
+	    }
+	  else if (edge == NSMinXEdge)
+	    {
+	      screenFrame.origin.x -= screenRect.size.width;
+	    }
+  
   // Get the frameRect
   r = [NSWindow frameRectForContentRect: screenFrame
                 styleMask: [_window styleMask]];
   
-  // Update position,if needed, using the preferredEdge;
-  // TODO
-  
   // Set the window frame
   [_window setFrame: r display: NO]; 
 }

Source/NSPopUpButtonCell.m

@@ -37,10 +37,11 @@
 #include "AppKit/NSPopUpButtonCell.h"
 #include "AppKit/NSWindow.h"
 
-/* The image to use in a specific popupbutton is
+/* The image to use in a specific popupbutton depends on type and
- * _pbc_image[_pbcFlags.pullsDown]; that is, _pbc_image[0] if it is a
+ * preferred edge; that is, _pbc_image[0] if it is a
- * popup menu, _pbc_image[1] if it is a pulls down list.  */
+ * popup menu, _pbc_image[1] if it is a pulls down list pointing down, 
-static NSImage *_pbc_image[2];
+ * and so on.  */
+static NSImage *_pbc_image[5];
 
 @implementation NSPopUpButtonCell
 + (void) initialize
@@ -50,6 +51,9 @@ static NSImage *_pbc_image[2];
       [self setVersion: 2];
       ASSIGN(_pbc_image[0], [NSImage imageNamed: @"common_Nibble"]);
       ASSIGN(_pbc_image[1], [NSImage imageNamed: @"common_3DArrowDown"]);
+      ASSIGN(_pbc_image[2], [NSImage imageNamed: @"common_3DArrowRight"]);
+      ASSIGN(_pbc_image[3], [NSImage imageNamed: @"common_3DArrowUp"]);
+      ASSIGN(_pbc_image[4], [NSImage imageNamed: @"common_3DArrowLeft"]);
     }
 }
 
@@ -97,6 +101,8 @@ static NSImage *_pbc_image[2];
 
   [self setPullsDown: flag];
   _pbcFlags.usesItemFromMenu = YES;
+  [self setPreferredEdge: NSMinYEdge];
+  [self setArrowPosition: NSPopUpArrowAtCenter];
 
   if ([stringValue length] > 0)
     {
@@ -178,21 +184,13 @@ static NSImage *_pbc_image[2];
   NSMenuItem *item = _menuItem;
 
   [self setMenuItem: nil];
-  _pbcFlags.pullsDown = flag;
+  if (flag && !_pbcFlags.pullsDown
-  [self setAltersStateOfSelectedItem: !flag];
+      && _pbcFlags.altersStateOfSelectedItem)
+    {
+      [[self selectedItem] setState: NSOffState];
+    }
 
-  if (!flag)
+  _pbcFlags.pullsDown = flag;
-    {
-      // pop up
-      [self setArrowPosition: NSPopUpArrowAtCenter];
-      [self setPreferredEdge: NSMinYEdge];
-    }
-  else
-    {
-      // pull down
-      [self setArrowPosition: NSPopUpArrowAtBottom];
-      [self setPreferredEdge: NSMaxYEdge];
-    }
 
   [self setMenuItem: item];
 }
@@ -522,6 +520,42 @@ static NSImage *_pbc_image[2];
     }
 }
 
+- (NSImage *) _currentArrowImage
+{
+  if (_pbcFlags.pullsDown)
+    {
+      if (_pbcFlags.arrowPosition == NSPopUpNoArrow)
+        {
+          return nil;
+        }
+
+      if (_pbcFlags.preferredEdge == NSMinYEdge)
+        {
+          return _pbc_image[1];
+        }
+      else if (_pbcFlags.preferredEdge == NSMaxXEdge)
+        {
+          return _pbc_image[2];
+        }
+      else if (_pbcFlags.preferredEdge == NSMaxYEdge)
+        {
+          return _pbc_image[3];
+        }
+      else if (_pbcFlags.preferredEdge == NSMinXEdge)
+        {
+          return _pbc_image[4];
+        }
+      else
+        {
+          return _pbc_image[1];
+        }
+    }
+  else
+    {
+      return _pbc_image[0];
+    }
+}
+
 - (void) setImage: (NSImage *)anImage
 {
   // Do nothing as the image is determined by the current item
@@ -534,19 +568,7 @@ static NSImage *_pbc_image[2];
   if (_menuItem == item)
     return;
 
-  if (_pbcFlags.arrowPosition == NSPopUpArrowAtBottom)
+  image = [self _currentArrowImage];
-    {
-      image = _pbc_image[1];
-    }
-  else if (_pbcFlags.arrowPosition == NSPopUpArrowAtCenter)
-    {
-      image = _pbc_image[0];
-    }
-  else
-    {
-      // No image for NSPopUpNoArrow
-      image = nil;
-    }
 
   if ([_menuItem image] == image)
     {
@@ -554,7 +576,7 @@ static NSImage *_pbc_image[2];
     }
 
   //[super setMenuItem: item];
-  ASSIGN (_menuItem, item);
+  ASSIGN(_menuItem, item);
 
   if ([_menuItem image] == nil)
     {
@@ -852,7 +874,10 @@ static NSImage *_pbc_image[2];
                eventNumber: [theEvent eventNumber]
                clickCount: [theEvent clickCount] 
                pressure: [theEvent pressure]];
-  [NSApp sendEvent: e];
+
+  // Send the event directly to the popup window, as it may not be located
+  // at the event position.
+  [mr mouseDown: e];
   
   // End of mouse tracking here -- dismiss popup
   // No synchronization needed here
@@ -922,10 +947,16 @@ static NSImage *_pbc_image[2];
   NSSize titleSize;
   int i, count;
   NSString *title;
+  NSImage *image;
 
   count = [_menu numberOfItems];
 
-  imageSize = [_pbc_image[_pbcFlags.pullsDown] size];
+  image = [self _currentArrowImage];
+  if (image)
+    imageSize = [image size];
+  else
+    imageSize = NSZeroSize;
+
   s = NSMakeSize(0, imageSize.height);
   
   if (count == 0)
@@ -1019,6 +1050,9 @@ static NSImage *_pbc_image[2];
   NSMenu *menu;
 
   self = [super initWithCoder: aDecoder];
+  if (!self)
+    return nil;
+
   if ([aDecoder allowsKeyedCoding])
     {
       if ([aDecoder containsValueForKey: @"NSAltersState"])
@@ -1100,6 +1134,7 @@ static NSImage *_pbc_image[2];
         }
       [self selectItem: selectedItem];
     }
+
   return self;
 }