Option.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 "Option.h"
 
#define _Class _Option
 
#pragma mark - Object
 
static void dealloc(Object *self) {
 
  Option *this = (Option *) self;
 
  release(this->title);
 
  super(Object, self, dealloc);
}
 
static String *description(const Object *self) {
 
  View *this = (View *) self;
  const SDL_Rect bounds = $(this, bounds);
 
  String *classNames = $((Object *) this->classNames, description);
  String *description = str("%s@%p \"%s\" %s [%d, %d, %d, %d]",
                this->identifier ?: classnameof(self),
                self,
                ((Option *) self)->title->text,
                classNames->chars,
                bounds.x, bounds.y, bounds.w, bounds.h);
 
  release(classNames);
  return description;
}
 
#pragma mark - View
 
static bool matchesSelector(const View *self, const SimpleSelector *simpleSelector) {
 
  assert(simpleSelector);
 
  const Option *this = (Option *) self;
 
  switch (simpleSelector->type) {
    case SimpleSelectorTypePseudo:
      if (strcmp("selected", simpleSelector->pattern) == 0) {
        return this->isSelected;
      }
      break;
    default:
      break;
  }
 
  return super(View, self, matchesSelector, simpleSelector);
}
 
#pragma mark - Option
 
static Option *initWithTitle(Option *self, const char *title, ident value) {
 
  self = (Option *) super(View, self, initWithFrame, NULL);
  if (self) {
 
    self->title = $(alloc(Text), initWithText, title, NULL);
    assert(self->title);
 
    self->value = value;
 
    $((View *) self, addSubview, (View *) self->title);
  }
 
  return self;
}
 
static void setSelected(Option *self, bool isSelected) {
 
  if (self->isSelected != isSelected) {
    self->isSelected = isSelected;
 
    $((View *) self, invalidateStyle);
 
    $((View *) self, setNeedsLayout);
  }
}
 
#pragma mark - Class lifecycle
 
static void initialize(Class *clazz) {
 
  ((ObjectInterface *) clazz->interface)->dealloc = dealloc;
  ((ObjectInterface *) clazz->interface)->description = description;
 
  ((ViewInterface *) clazz->interface)->matchesSelector = matchesSelector;
 
  ((OptionInterface *) clazz->interface)->initWithTitle = initWithTitle;
  ((OptionInterface *) clazz->interface)->setSelected = setSelected;
}
 
Class *_Option(void) {
  static Class *clazz;
  static Once once;
 
  do_once(&once, {
    clazz = _initialize(&(const ClassDef) {
      .name = "Option",
      .superclass = _View(),
      .instanceSize = sizeof(Option),
      .interfaceSize = sizeof(OptionInterface),
      .initialize = initialize,
    });
  });
 
  return clazz;
}
 
#undef _Class