Option.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 "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;
 
    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,
                              this->frame.x, this->frame.y, this->frame.w, this->frame.h);
 
    release(classNames);
    return description;
}
 
#pragma mark - View
 
static _Bool acceptsFirstResponder(const View *self) {
    return true;
}
 
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;
 
        self->view.needsLayout = true;
    }
}
 
#pragma mark - Class lifecycle
 
static void initialize(Class *clazz) {
 
    ((ObjectInterface *) clazz->interface)->dealloc = dealloc;
    ((ObjectInterface *) clazz->interface)->description = description;
 
    ((ViewInterface *) clazz->interface)->acceptsFirstResponder = acceptsFirstResponder;
    ((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),
            .interfaceOffset = offsetof(Option, interface),
            .interfaceSize = sizeof(OptionInterface),
            .initialize = initialize,
        });
    });
 
    return clazz;
}
 
#undef _Class