Box.c

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/*
 * ObjectivelyMVC: Object oriented MVC framework for SDL3 and 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