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Code tidyup

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git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/gui/trunk@3677 72102866-910b-0410-8b05-ffd578937521
This commit is contained in:
Richard Frith-MacDonald 1999-02-09 12:59:44 +00:00
parent 5cf4300853
commit 2e9637bfed
1 changed files with 67 additions and 13 deletions
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80
Source/NSView.m
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@ -68,21 +68,75 @@ static NSString *viewThreadKey = @"NSViewThreadKey";
}
}
+ (NSView *)focusView
/*
* return the view at the top of thread's focus stack
* or nil if none is focused
*/
+ (NSView *) focusView
{
NSMutableDictionary *dict = [[NSThread currentThread] threadDictionary];
NSMutableArray *stack = [dict objectForKey: viewThreadKey];
NSView *current_view = nil;
// return the view at
if (stack) // the top of thread's
{ // focus stack or nil
unsigned count = [stack count]; // if none is focused
if (count > 0)
current_view = [stack objectAtIndex: --count];
}
NSMutableDictionary *dict = [[NSThread currentThread] threadDictionary];
NSMutableArray *stack = [dict objectForKey: viewThreadKey];
NSView *current_view = nil;
return current_view;
if (stack)
{
unsigned count = [stack count];
if (count > 0)
current_view = [stack objectAtIndex: --count];
}
return current_view;
}
+ (void) pushFocusView: (NSView *)focusView
{
if (focusView)
{
NSMutableDictionary *dict = [[NSThread currentThread] threadDictionary];
NSMutableArray *stack = [dict objectForKey: viewThreadKey];
if (stack == nil)
{
stack = [[NSMutableArray alloc] initWithCapacity: 4];
[dict setObject: stack forKey: viewThreadKey];
[stack release];
}
[stack addObject: focusView];
}
else
{
[NSException raise: NSInternalInconsistencyException
format: @"Attempt to push a 'nil' focus view on to stack."];
}
}
/*
* Remove the top focusView for the current thread from the stack
* and return the new focusView (or nil if the stack is now empty).
*/
+ (NSView *)popFocusView
{
NSMutableDictionary *dict = [[NSThread currentThread] threadDictionary];
NSMutableArray *stack = [dict objectForKey: viewThreadKey];
NSView *v = nil;
if (stack)
{
unsigned count = [stack count];
if (count > 0)
{
[stack removeObjectAtIndex: --count];
}
if (count > 0)
{
v = [stack objectAtIndex: --count];
}
}
return v;
}
//