From d6cf6096dd3a757b7555602b19ebb8d0857cb23c Mon Sep 17 00:00:00 2001
From: Nicola Pero <n.pero@mi.flashnet.it>
Date: Thu, 18 Nov 1999 01:00:58 +0000
Subject: [PATCH] Updated key view loop code, to generalize automatic selection
 of text.

git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/gui/trunk@5230 72102866-910b-0410-8b05-ffd578937521
---
 Source/NSWindow.m | 48 +++++++++++++++++++++++++++++++++++------------
 1 file changed, 36 insertions(+), 12 deletions(-)

diff --git a/Source/NSWindow.m b/Source/NSWindow.m
index 3a68bbee0..1b3515e42 100644
--- a/Source/NSWindow.m
+++ b/Source/NSWindow.m
@@ -133,7 +133,6 @@ static IMP	ccImp;
 static IMP	ctImp;
 static Class	responderClass;
 static Class	viewClass;
-static Class	textFieldClass;
 static NSMutableSet	*autosaveNames;
 static NSRecursiveLock	*windowsLock;
 static NSMapTable* windowmaps = NULL;
@@ -151,7 +150,6 @@ static NSMapTable* windowmaps = NULL;
       ctImp = [self instanceMethodForSelector: ctSel];
       responderClass = [NSResponder class];
       viewClass = [NSView class];
-      textFieldClass = [NSTextField class];
       autosaveNames = [NSMutableSet new];
       windowsLock = [NSRecursiveLock new];
     }
@@ -2058,8 +2056,12 @@ resetCursorRectsForView(NSView *theView)
   if (theView)
     {
       [self makeFirstResponder: theView];
-      if ([theView isKindOfClass: textFieldClass])
-	[(NSTextField *)theView selectText: self];
+      if ([theView respondsToSelector:@selector(selectText:)])
+	{
+	  _selection_direction =  NSSelectingNext;
+	  [(id)theView selectText: self];
+	  _selection_direction =  NSDirectSelection;
+      	}
     }
 }
 
@@ -2072,8 +2074,12 @@ resetCursorRectsForView(NSView *theView)
   if (theView)
     {
       [self makeFirstResponder: theView];
-      if ([theView isKindOfClass: textFieldClass])
-	[(NSTextField *)theView selectText: self];
+      if ([theView respondsToSelector:@selector(selectText:)])
+	{
+	  _selection_direction =  NSSelectingPrevious;
+	  [(id)theView selectText: self];
+	  _selection_direction =  NSDirectSelection;
+	}
     }
 }
 
@@ -2084,7 +2090,7 @@ resetCursorRectsForView(NSView *theView)
   if ([first_responder isKindOfClass: viewClass])    
     theView = [first_responder nextValidKeyView];
   
-  if (!theView)
+  if ((theView == nil) && (_initial_first_responder))
     {
       if ([_initial_first_responder acceptsFirstResponder])
 	theView = _initial_first_responder;
@@ -2095,8 +2101,12 @@ resetCursorRectsForView(NSView *theView)
   if (theView)
     {
       [self makeFirstResponder: theView];
-      if ([theView isKindOfClass: textFieldClass])
-	[(NSTextField *)theView selectText: self];
+      if ([theView respondsToSelector:@selector(selectText:)])
+	{
+	  _selection_direction =  NSSelectingNext;
+	  [(id)theView selectText: self];
+	  _selection_direction =  NSDirectSelection;
+	}
     }
 }
 
@@ -2107,7 +2117,7 @@ resetCursorRectsForView(NSView *theView)
   if ([first_responder isKindOfClass: viewClass])    
     theView = [first_responder previousValidKeyView];
   
-  if (!theView)
+  if ((theView == nil) && (_initial_first_responder))
     {
       if ([_initial_first_responder acceptsFirstResponder])
 	theView = _initial_first_responder;
@@ -2118,11 +2128,24 @@ resetCursorRectsForView(NSView *theView)
   if (theView)
     {
       [self makeFirstResponder: theView];
-      if ([theView isKindOfClass: textFieldClass])
-	[(NSTextField *)theView selectText: self];
+      if ([theView respondsToSelector:@selector(selectText:)])
+	{
+	  _selection_direction =  NSSelectingPrevious;
+	  [(id)theView selectText: self];
+	  _selection_direction =  NSDirectSelection;
+	}
     }
 }
 
+// This is invoked by selectText: of some views (eg matrixes),
+// to know whether they have received it from the window, and
+// if so, in which direction is the selection moving (so that they know 
+// if they should select the last or the first editable cell).
+- (NSSelectionDirection)keyViewSelectionDirection
+{ 
+  return _selection_direction;
+}
+
 /*
  * Dragging
  */
@@ -2801,6 +2824,7 @@ resetCursorRectsForView(NSView *theView)
   first_responder = self;
   original_responder = nil;
   _initial_first_responder = nil;
+  _selection_direction = NSDirectSelection;
   delegate = nil;
   window_num = 0;
   gstate = 0;