99 lines
2.9 KiB
Objective-C
99 lines
2.9 KiB
Objective-C
// 20 april 2019
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#import "uipriv_darwin.h"
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@interface uiprivApplication : NSApplication
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@end
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@implementation uiprivApplication
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@end
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@interface uiprivApplicationDelegate : NSObject<NSApplicationDelegate>
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@end
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static uiprivApplication *uiprivApp;
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static uiprivApplicationDelegate *uiprivAppDelegate;
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@implementation uiprivApplicationDelegate
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#if 0
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- (NSApplicationTerminateReply)applicationShouldTerminate:(NSApplication *)app
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{
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// for debugging
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NSLog(@"in applicationShouldTerminate:");
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if (uiprivShouldQuit()) {
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canQuit = YES;
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// this will call terminate:, which is the same as uiQuit()
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return NSTerminateNow;
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}
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return NSTerminateCancel;
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}
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#endif
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- (BOOL)applicationShouldTerminateAfterLastWindowClosed:(NSApplication *)app
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{
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return NO;
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}
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@end
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#define errNSAppAlreadyInitialized "NSApp is not of type uiprivApplication; was likely already initialized beforehand"
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static const char *initErrors[] = {
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errNSAppAlreadyInitialized,
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NULL,
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};
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int uiInit(void *options, uiInitError *err)
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{
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if (!uiprivInitCheckParams(options, err, initErrors))
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return 0;
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uiprivApp = [uiprivApplication sharedApplication];
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if (![NSApp isKindOfClass:[uiprivApplication class]])
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return uiprivInitReturnError(err, errNSAppAlreadyInitialized);
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// don't check for a NO return; something (launch services?) causes running from application bundles to always return NO when asking to change activation policy, even if the change is to the same activation policy!
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// see https://github.com/andlabs/ui/issues/6
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[uiprivApp setActivationPolicy:NSApplicationActivationPolicyRegular];
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uiprivAppDelegate = [uiprivApplicationDelegate new];
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[uiprivApp setDelegate:uiprivAppDelegate];
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uiprivMarkInitialized();
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return 1;
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}
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void uiMain(void)
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{
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[uiprivApp run];
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}
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void uiQuit(void)
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{
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@autoreleasepool {
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NSEvent *e;
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[uiprivApp stop:uiprivApp];
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// stop: won't register until another event has passed; let's synthesize one
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// TODO instead of using NSApplicationDefined, create a private event type for libui internal use only
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e = [NSEvent otherEventWithType:NSApplicationDefined
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location:NSZeroPoint
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modifierFlags:0
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timestamp:[[NSProcessInfo processInfo] systemUptime]
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windowNumber:0
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context:[NSGraphicsContext currentContext]
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subtype:0
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data1:0
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data2:0];
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[uiprivApp postEvent:e atStart:NO]; // let pending events take priority (this is what PostQuitMessage() on Windows does so we have to do it here too for parity; thanks to mikeash in irc.freenode.net/#macdev for confirming that this parameter should indeed be NO)
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}
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}
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// thanks to mikeash in irc.freenode.net/#macdev for suggesting the use of Grand Central Dispatch for this
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void uiQueueMain(void (*f)(void *data), void *data)
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{
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// dispatch_get_main_queue() is a serial queue so it will not execute multiple uiQueueMain() functions concurrently
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// the signature of f matches dispatch_function_t
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dispatch_async_f(dispatch_get_main_queue(), data, f);
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}
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