73 lines
1.6 KiB
Objective-C
73 lines
1.6 KiB
Objective-C
// 16 july 2014
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#import "objc_darwin.h"
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#import "_cgo_export.h"
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#import <Cocoa/Cocoa.h>
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#define toNSView(x) ((NSView *) (x))
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#define toNSWindow(x) ((NSWindow *) (x))
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#define toNSButton(x) ((NSButton *) (x))
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void unparent(id control)
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{
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[toNSView(control) retain]; // save from being freed when released by the removal selector below
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// TODO removeFromSuperviewWithoutNeedingDisplay?
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[toNSView(control) removeFromSuperview];
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}
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void parent(id control, id parentid, BOOL floating)
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{
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[[toNSWindow(parentid) contentView] addSubview:toNSView(control)];
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if (floating) // previously unparented
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[toNSView(control) release];
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}
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@interface goControlDelegate : NSObject {
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@public
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void *gocontrol;
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}
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@end
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@implementation goControlDelegate
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- (IBAction)buttonClicked:(id)sender
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{
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buttonClicked(self->gocontrol);
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}
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@end
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id newButton(char *text)
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{
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NSButton *b;
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// TODO cache the initial rect?
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b = [[NSButton alloc] initWithFrame:NSMakeRect(0, 0, 100, 100)];
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// TODO verify all of these against Interface Builder
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[b setButtonType:NSMomentaryLightButton];
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[b setTitle:[NSString stringWithUTF8String:text]];
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[b setBordered:YES];
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[b setBezelStyle:NSRoundedBezelStyle];
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return b;
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}
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void buttonSetDelegate(id button, void *b)
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{
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goControlDelegate *d;
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d = [goControlDelegate new];
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d->gocontrol = b;
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[toNSButton(button) setTarget:d];
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[toNSButton(button) setAction:@selector(buttonClicked:)];
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}
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const char *buttonText(id button)
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{
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return [[toNSButton(button) title] UTF8String];
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}
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void buttonSetText(id button, char *text)
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{
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[toNSButton(button) setTitle:[NSString stringWithUTF8String:text]];
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}
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