129 lines
2.7 KiB
Objective-C
129 lines
2.7 KiB
Objective-C
// 14 august 2015
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#import "uipriv_darwin.h"
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struct uiCheckbox {
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uiDarwinControl c;
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NSButton *button; // TODO rename to checkbox?
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void (*onToggled)(uiCheckbox *, void *);
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void *onToggledData;
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};
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@interface checkboxDelegateClass : NSObject {
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NSMapTable *buttons; // TODO rename to checkboxes?
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}
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- (IBAction)onToggled:(id)sender;
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- (void)registerCheckbox:(uiCheckbox *)c;
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- (void)unregisterCheckbox:(uiCheckbox *)c;
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@end
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@implementation checkboxDelegateClass
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- (id)init
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{
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self = [super init];
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if (self)
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self->buttons = newMap();
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return self;
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}
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// TODO have this called
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- (void)dealloc
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{
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if ([self->buttons count] != 0)
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complain("attempt to destroy shared checkbox delegate but checkboxes are still registered to it");
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[self->buttons release];
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[super dealloc];
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}
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- (IBAction)onToggled:(id)sender
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{
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uiCheckbox *c;
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c = (uiCheckbox *) mapGet(self->buttons, sender);
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(*(c->onToggled))(c, c->onToggledData);
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}
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- (void)registerCheckbox:(uiCheckbox *)c
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{
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mapSet(self->buttons, c->button, c);
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[c->button setTarget:self];
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[c->button setAction:@selector(onToggled:)];
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}
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- (void)unregisterCheckbox:(uiCheckbox *)c
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{
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[c->button setTarget:nil];
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[self->buttons removeObjectForKey:c->button];
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}
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@end
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static checkboxDelegateClass *checkboxDelegate = nil;
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uiDarwinDefineControlWithOnDestroy(
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uiCheckbox, // type name
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uiCheckboxType, // type function
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button, // handle
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[checkboxDelegate unregisterCheckbox:this]; // on destroy
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)
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char *uiCheckboxText(uiCheckbox *c)
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{
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return uiDarwinNSStringToText([c->button title]);
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}
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void uiCheckboxSetText(uiCheckbox *c, const char *text)
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{
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[c->button setTitle:toNSString(text)];
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// this may result in the size of the checkbox changing
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// fortunately Auto Layout handles this for us
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}
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void uiCheckboxOnToggled(uiCheckbox *c, void (*f)(uiCheckbox *, void *), void *data)
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{
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c->onToggled = f;
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c->onToggledData = data;
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}
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int uiCheckboxChecked(uiCheckbox *c)
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{
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return [c->button state] == NSOnState;
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}
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void uiCheckboxSetChecked(uiCheckbox *c, int checked)
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{
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NSInteger state;
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state = NSOnState;
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if (!checked)
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state = NSOffState;
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[c->button setState:state];
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}
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static void defaultOnToggled(uiCheckbox *c, void *data)
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{
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// do nothing
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}
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uiCheckbox *uiNewCheckbox(const char *text)
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{
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uiCheckbox *c;
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c = (uiCheckbox *) uiNewControl(uiCheckboxType());
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c->button = [[NSButton alloc] initWithFrame:NSZeroRect];
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[c->button setTitle:toNSString(text)];
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[c->button setButtonType:NSSwitchButton];
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[c->button setBordered:NO];
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uiDarwinSetControlFont(c->button, NSRegularControlSize);
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if (checkboxDelegate == nil)
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checkboxDelegate = [checkboxDelegateClass new];
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[checkboxDelegate registerCheckbox:c];
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uiCheckboxOnToggled(c, defaultOnToggled, NULL);
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uiDarwinFinishNewControl(c, uiCheckbox);
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return c;
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}
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