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* GSContext.m/.h second rewrite and polish of API.

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* NSView.m displayrect add flushWindow at end.


git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/gui/trunk@3339 72102866-910b-0410-8b05-ffd578937521
This commit is contained in:
Felipe A. Rodriguez 1998-11-27 12:17:37 +00:00
parent 16dab0eb75
commit e75279e0eb
4 changed files with 44 additions and 26 deletions
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47
Source/GSContext.m
View file

@ -46,9 +46,8 @@ NSZone *_globalGSZone = NULL; // The memory zone where all
//
// Class variables
//
static Class contextConcreteClass; // actual class of GSContext's
static Class _concreteClass; // actual class of GSContext
static NSMutableArray *contextList; // list of drawing destinations
static GSContext *_currentGSContext = nil; // the current context
@ -59,7 +58,7 @@ static GSContext *_currentGSContext = nil; // the current context
//
+ (void)initialize
{
if (self == (contextConcreteClass = [GSContext class]))
if (self == (_concreteClass = [GSContext class]))
{
contextList = [[NSMutableArray arrayWithCapacity:2] retain];
NSDebugLog(@"Initialize GSContext class\n");
@ -67,37 +66,50 @@ static GSContext *_currentGSContext = nil; // the current context
}
}
+ (void) setConcreteClass: (Class)c { contextConcreteClass = c; }
+ (Class) concreteClass { return contextConcreteClass; }
+ (void) setConcreteClass: (Class)c { _concreteClass = c; }
+ (Class) concreteClass { return _concreteClass; }
+ allocWithZone: (NSZone*)z
{
return NSAllocateObject(contextConcreteClass, 0, z);
return NSAllocateObject(_concreteClass, 0, z);
}
+ contextWithInfo: (NSDictionary *)info;
{
GSContext *context;
NSAssert(contextConcreteClass, @"Error: No default GSContext is set\n");
context = [[contextConcreteClass allocWithZone: _globalGSZone]
initWithContextInfo: info];
NSAssert(_concreteClass, @"Error: No concrete GSContext is set\n");
context = [[_concreteClass allocWithZone: _globalGSZone]
initWithContextInfo: info];
[context autorelease];
return context;
}
+ (GSContext *) currentContext { return _currentGSContext; }
+ (GSContext *) currentContext { return nil;}
+ (void) setCurrentContext: (GSContext *)context
{
_currentGSContext = context;
[self subclassResponsibility:_cmd];
}
+ (void) destroyContext:(GSContext *) context // remove context from the
{ // list so that it gets
[contextList removeObject: context]; // deallocated with the
} // next autorelease pool
+ (void) destroyContext:(GSContext *) context
{ // if concrete class is not
if(_concreteClass != [GSContext class]) // a GSContext invoke it's
[_concreteClass destroyContext: context]; // equivalent method first
else
[self _destroyContext: context];
}
// private method which
+ (void) _destroyContext:(GSContext *) context // removes context from the
{ // list so that it gets
int top; // deallocated with the
// next autorelease pool
[contextList removeObject: context];
// if not last context set
if((top = [contextList count]) > 0) // next in list as current
[_concreteClass setCurrentContext:[contextList objectAtIndex:top - 1]];
}
//
// Instance methods
@ -110,8 +122,9 @@ GSContext *context;
- initWithContextInfo: (NSDictionary *)info
{ // designated initializer
[super init]; // for GSContext class
[contextList addObject: self];
[GSContext setCurrentContext: self];
[_concreteClass setCurrentContext: self];
if(info)
context_info = [info retain];
@ -131,7 +144,7 @@ GSContext *context;
- (void) destroy // remove self from context
{ // list so that self gets
[GSContext destroyContext: self]; // deallocated with the
[_concreteClass destroyContext: self]; // deallocated with the
} // next autorelease pool
- (void) dealloc