libui/darwin/button.m

116 lines
2.4 KiB
Objective-C

// 13 august 2015
#import "uipriv_darwin.h"
struct uiButton {
uiDarwinControl c;
NSButton *button;
void (*onClicked)(uiButton *, void *);
void *onClickedData;
};
@interface buttonDelegateClass : NSObject {
NSMapTable *buttons;
}
- (IBAction)onClicked:(id)sender;
- (void)registerButton:(uiButton *)b;
- (void)unregisterButton:(uiButton *)b;
@end
@implementation buttonDelegateClass
- (id)init
{
self = [super init];
if (self)
self->buttons = newMap();
return self;
}
- (void)dealloc
{
if ([self->buttons count] != 0)
complain("attempt to destroy shared button delegate but buttons are still registered to it");
[self->buttons release];
[super dealloc];
}
- (IBAction)onClicked:(id)sender
{
uiButton *b;
b = (uiButton *) mapGet(self->buttons, sender);
(*(b->onClicked))(b, b->onClickedData);
}
- (void)registerButton:(uiButton *)b
{
mapSet(self->buttons, b->button, b);
[b->button setTarget:self];
[b->button setAction:@selector(onClicked:)];
}
- (void)unregisterButton:(uiButton *)b
{
[b->button setTarget:nil];
[self->buttons removeObjectForKey:b->button];
}
@end
static buttonDelegateClass *buttonDelegate = nil;
uiDarwinDefineControlWithOnDestroy(
uiButton, // type name
uiButtonType, // type function
button, // handle
[buttonDelegate unregisterButton:this]; // on destroy
)
char *uiButtonText(uiButton *b)
{
return uiDarwinNSStringToText([b->button title]);
}
void uiButtonSetText(uiButton *b, const char *text)
{
[b->button setTitle:toNSString(text)];
// this may result in the size of the button changing
uiDarwinControlTriggerRelayout(uiDarwinControl(b));
}
void uiButtonOnClicked(uiButton *b, void (*f)(uiButton *, void *), void *data)
{
b->onClicked = f;
b->onClickedData = data;
}
static void defaultOnClicked(uiButton *b, void *data)
{
// do nothing
}
uiButton *uiNewButton(const char *text)
{
uiButton *b;
b = (uiButton *) uiNewControl(uiButtonType());
b->button = [[NSButton alloc] initWithFrame:NSZeroRect];
[b->button setTitle:toNSString(text)];
[b->button setButtonType:NSMomentaryPushInButton];
[b->button setBordered:YES];
[b->button setBezelStyle:NSRoundedBezelStyle];
uiDarwinSetControlFont(b->button, NSRegularControlSize);
if (buttonDelegate == nil) {
buttonDelegate = [buttonDelegateClass new];
[delegates addObject:buttonDelegate];
}
[buttonDelegate registerButton:b];
uiButtonOnClicked(b, defaultOnClicked, NULL);
uiDarwinFinishNewControl(b, uiButton);
return b;
}