tip/ui/cocoa/button.m

/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright 2024 Olaf Wintermann. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 *   1. Redistributions of source code must retain the above copyright
 *      notice, this list of conditions and the following disclaimer.
 *
 *   2. Redistributions in binary form must reproduce the above copyright
 *      notice, this list of conditions and the following disclaimer in the
 *      documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

#import "button.h"
#import "EventData.h"
#import "Container.h"
#import <objc/runtime.h>

UIWIDGET ui_button_create(UiObject* obj, UiButtonArgs args) {
    NSButton *button = [[NSButton alloc] init];
    if(args.label) {
        NSString *label = [[NSString alloc] initWithUTF8String:args.label];
        button.title = label;
    }
    
    if(args.onclick) {
        EventData *event = [[EventData alloc] init:args.onclick userdata:args.onclickdata];
        event.obj = obj;
        button.target = event;
        button.action = @selector(handleEvent:);
        objc_setAssociatedObject(button, "eventdata", event, OBJC_ASSOCIATION_RETAIN);
    }
    
    UiLayout layout = UI_INIT_LAYOUT(args);
    ui_container_add(obj, button, &layout, FALSE);
    
    return (__bridge void*)button;
}