Box.c

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/*
 * ObjectivelyMVC: Object oriented MVC framework for OpenGL, SDL2 and GNU C.
 * Copyright (C) 2014 Jay Dolan <jay@jaydolan.com>
 *
 * This software is provided 'as-is', without any express or implied
 * warranty. In no event will the authors be held liable for any damages
 * arising from the use of this software.
 *
 * Permission is granted to anyone to use this software for any purpose,
 * including commercial applications, and to alter it and redistribute it
 * freely, subject to the following restrictions:
 *
 * 1. The origin of this software must not be misrepresented; you must not
 * claim that you wrote the original software. If you use this software
 * in a product, an acknowledgment in the product documentation would be
 * appreciated but is not required.
 *
 * 2. Altered source versions must be plainly marked as such, and must not be
 * misrepresented as being the original software.
 *
 * 3. This notice may not be removed or altered from any source distribution.
 */
 
#include <assert.h>
 
#include "Box.h"
 
#define _Class _Box
 
#pragma mark - Object
 
static void dealloc(Object *self) {
 
    Box *this = (Box *) self;
 
    release(this->contentView);
    release(this->label);
 
    super(Object, self, dealloc);
}
 
#pragma mark - View
 
static void awakeWithDictionary(View *self, const Dictionary *dictionary) {
 
    super(View, self, awakeWithDictionary, dictionary);
 
    Box *this = (Box *) self;
 
    const Inlet inlets[] = MakeInlets(
        MakeInlet("contentView", InletTypeView, &this->contentView, NULL),
        MakeInlet("label", InletTypeView, &this->label, NULL)
    );
 
    $(self, bind, inlets, dictionary);
}
 
static View *init(View *self) {
    return (View *) $((Box *) self, initWithFrame, NULL);
}
 
static void layoutSubviews(View *self) {
 
    super(View, self, layoutSubviews);
 
    View *label = (View *) ((Box *) self)->label;
    if (label->hidden == false) {
 
        const SDL_Size size = $(label, sizeThatContains);
        label->frame.y = -size.h * 0.5;
    }
}
 
#pragma mark - Box
 
static Box *initWithFrame(Box *self, const SDL_Rect *frame) {
 
    self = (Box *) super(View, self, initWithFrame, frame);
    if (self) {
 
        self->contentView = $(alloc(StackView), initWithFrame, NULL);
        assert(self->contentView);
 
        $((View *) self->contentView, addClassName, "contentView");
        $((View *) self->contentView, addClassName, "container");
 
        $((View *) self, addSubview, (View *) self->contentView);
 
        self->label = $(alloc(Label), initWithText, NULL, NULL);
        assert(self->label);
 
        View *label = (View *) self->label;
 
        label->alignment = ViewAlignmentInternal;
 
        $((View *) self, addSubview, (View *) self->label);
    }
 
    return self;
}
 
#pragma mark - Class lifecycle
 
static void initialize(Class *clazz) {
 
    ((ObjectInterface *) clazz->interface)->dealloc = dealloc;
 
    ((ViewInterface *) clazz->interface)->awakeWithDictionary = awakeWithDictionary;
    ((ViewInterface *) clazz->interface)->init = init;
    ((ViewInterface *) clazz->interface)->layoutSubviews = layoutSubviews;
 
    ((BoxInterface *) clazz->interface)->initWithFrame = initWithFrame;
}
 
Class *_Box(void) {
    static Class *clazz;
    static Once once;
 
    do_once(&once, {
        clazz = _initialize(&(const ClassDef) {
            .name = "Box",
            .superclass = _View(),
            .instanceSize = sizeof(Box),
            .interfaceOffset = offsetof(Box, interface),
            .interfaceSize = sizeof(BoxInterface),
            .initialize = initialize,
        });
    });
 
    return clazz;
}
 
#undef _Class