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MGR: eliminate almost all overhead from my commit a8cc13f unless assistive software is in use

This commit is contained in:
Charlie Fenton 2014-06-10 04:40:33 -07:00
parent 6aab68fdc9
commit dcc0afaaa0
1 changed files with 25 additions and 20 deletions
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45
clientgui/mac/MacAccessiblity.mm
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@ -1047,6 +1047,8 @@ static void wxRectToNSRect(wxRect &wxr, NSRect &nsr) {
// is somewhere in the caller chain.
// I wish I could find a more efficient way to do this.
//
static BOOL AccessibilityEnabled = false;
- (NSView *)hitTest:(NSPoint)aPoint {
// [NSThread callStackSymbols] is not available in OS 10.5, so
// BOINC does not fully implement accessibility under OS 10.5.
@ -1073,33 +1075,36 @@ static void wxRectToNSRect(wxRect &wxr, NSRect &nsr) {
return [super hitTest:aPoint]; // Point is not within our rect
}
// NSArray *theStack = [NSThread callStackSymbols];
NSArray *theStack = [ NSThread performSelector:@selector(callStackSymbols) ];
int limit = [ theStack count ];
int i = 0;
do {
if (limit < (i+1)) break;
NSString *sourceString = [theStack objectAtIndex:i];
NSCharacterSet *separatorSet = [NSCharacterSet characterSetWithCharactersInString:@" -[]+?.,"];
NSMutableArray *array = [NSMutableArray arrayWithArray:[sourceString componentsSeparatedByCharactersInSet:separatorSet]];
[array removeObject:@""];
if (AccessibilityEnabled) {
// NSArray *theStack = [NSThread callStackSymbols];
NSArray *theStack = [ NSThread performSelector:@selector(callStackSymbols) ];
int limit = [ theStack count ];
int i = 0;
do {
if (limit < (i+1)) break;
NSString *sourceString = [theStack objectAtIndex:i];
NSCharacterSet *separatorSet = [NSCharacterSet characterSetWithCharactersInString:@" -[]+?.,"];
NSMutableArray *array = [NSMutableArray arrayWithArray:[sourceString componentsSeparatedByCharactersInSet:separatorSet]];
[array removeObject:@""];
if ([array count] >= 5) {
NSString *FunctionCaller = [array objectAtIndex:4];
if ([ FunctionCaller hasPrefix: @"accessibility"]) {
return self;
}
if ([array count] >= 5) {
NSString *FunctionCaller = [array objectAtIndex:4];
if ([ FunctionCaller hasPrefix: @"accessibility"]) {
return self;
}
}
++i;
} while (i < 15);
++i;
} while (i < 15);
}
return [super hitTest:aPoint]; // Not an accessibility call
}
- (BOOL)accessibilityIsIgnored {
AccessibilityEnabled = true;
return NO;
}