IUmplement tool tip help

git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/gui/trunk@23732 72102866-910b-0410-8b05-ffd578937521

Source/GSToolTips.h

@@ -0,0 +1,103 @@
+/**
+   Interface of the GSToolTips class
+
+   Copyright (C) 2006 Free Software Foundation, Inc.
+
+   Author: Richard Frith-Macdonald <richard@brainstorm.co.uk>
+   Date: 2006
+   
+   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 Library 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with this library; see the file COPYING.LIB.
+   If not, write to the Free Software Foundation,
+   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ */
+
+#include <Foundation/NSObject.h>
+#include "GNUstepGUI/GSTrackingRect.h"
+
+
+@class	NSTimer;
+@class	NSView;
+@class	NSWindow;
+
+@interface	GSToolTips : NSObject
+{
+  NSView		*view;
+  NSTrackingRectTag	toolTipTag;
+  NSTimer		*timer;
+  NSWindow		*window;
+  BOOL			restoreMouseMoved;
+}
+
+/** Destroy object handling tips for aView.
+ */
++ (void) removeTipsForView: (NSView*)aView;
+
+/** Return object to handle tips for aView.
+ */
++ (GSToolTips*) tipsForView: (NSView*)aView;
+
+/** <init/> Initialiser for internal use only.
+ */
+- (id) initForView: (NSView*)aView;
+
+/** Support [NSView-addToolTipRect:owner:userData:].
+ */
+- (NSToolTipTag) addToolTipRect: (NSRect)aRect
+                          owner: (id)anObject
+                       userData: (void *)data;
+
+/** Return the number of tooltip rectangles active.
+ */
+- (unsigned) count;
+
+/** Handle mouse entry to tracking rect
+ */
+- (void) mouseEntered: (NSEvent *)theEvent;
+
+/** Handle mouse exit from tracking rect
+ */
+- (void) mouseExited: (NSEvent *)theEvent;
+
+/** Cancel tooltip because user clicked mouse.
+ */
+- (void) mouseDown: (NSEvent *)theEvent;
+
+/** Move tooltip window with user's mouse movement.
+ */
+- (void) mouseMoved: (NSEvent *)theEvent;
+
+/** Rebuild rectangles. Called by NSView whenever it has to rebuild its
+ * coordinate system because it has been resized, moved, or reparented.
+ */
+- (void) rebuild;
+
+/** Support [NSView-removeAllToolTips]
+ */
+- (void) removeAllToolTips;
+
+/** Support [NSView-removeToolTip:].
+ */
+- (void) removeToolTip: (NSToolTipTag)tag;
+
+/** Support [NSView-setToolTip:].
+ */
+- (void) setToolTip: (NSString *)string;
+
+/** Support [NSView-toolTip].
+ */
+- (NSString *) toolTip;
+@end
+