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#import "SampleApp.h" @implementation SampleApp #include <stdlib.h> #include <stdio.h> #include <objc/objc.h> #include <objc/objc-runtime.h> double objc_msgSend_fpret(id self, SEL op, ...) { Method method = class_getInstanceMethod(self->isa, op); int numArgs = method_getNumberOfArguments(method); if(numArgs == 2) { double (*imp)(id, SEL); imp = (double (*)(id, SEL))method->method_imp; return imp(self, op); } else if(numArgs == 3) { va_list ap; va_start(ap, op); double (*imp)(id, SEL, void *); imp = (double (*)(id, SEL, void *))method->method_imp; return imp(self, op, va_arg(ap, void *)); } fprintf(stderr, "ERROR: objc_msgSend_fpret called on <%s %p> with selector %s had to return 0.0\n", object_getClassName(self), self, sel_getName(op)); return 0.0; } - (void) handleSlider: (id) whatever { [textView setText:[NSString stringWithFormat:@"End Value: %f", [slider value]]]; } - (void) applicationDidFinishLaunching: (id) unused { UIWindow *window; struct CGRect rect = [UIHardware fullScreenApplicationContentRect]; rect.origin.x = rect.origin.y = 0.0f; window = [[UIWindow alloc] initWithContentRect: rect]; mainView = [[UIView alloc] initWithFrame: rect]; textView = [[UITextView alloc] initWithFrame: CGRectMake(0.0f, 0.0f, 320.0f, 480.0f)]; [textView setEditable:YES]; [textView setTextSize:14]; slider = [[UISliderControl alloc] initWithFrame: CGRectMake(0.0f, 32.0f, 320.0f, 20.0f)]; [window orderFront: self]; [window makeKey: self]; [window _setHidden: NO]; [window setContentView: mainView]; [mainView addSubview:textView]; [mainView addSubview:slider]; [slider setMaxValue:100.0f]; [slider setMinValue:0.0f]; [slider setShowValue:YES]; // 1 == Mouse Down // 7 == Mouse Dragged [slider addTarget:self action:@selector(handleSlider:) forEvents:7]; [textView setText:@"Slider Sample"]; } @end

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