TabViewItem.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 <string.h>
 
#include "TabViewItem.h"
 
#define _Class _TabViewItem
 
#pragma mark - Object
 
static void dealloc(Object *self) {
 
    TabViewItem *this = (TabViewItem *) self;
 
    free(this->identifier);
 
    release(this->label);
    release(this->view);
 
    super(Object, self, dealloc);
}
 
#pragma mark - TabViewItem
 
static TabViewItem *initWithIdentifier(TabViewItem *self, const char *identifier) {
 
    self = (TabViewItem *) super(Object, self, init);
    if (self) {
        self->identifier = strdup(identifier);
        assert(self->identifier);
 
        self->label = $(alloc(Label), initWithText, self->identifier, NULL);
        assert(self->label);
 
        self->view = $(alloc(View), initWithFrame, NULL);
        assert(self->view);
 
        $(self, setState, TabStateDefault);
    }
 
    return self;
}
 
static TabViewItem *initWithView(TabViewItem *self, View *view) {
 
    self = $(self, initWithIdentifier, view->identifier ?: classnameof(self));
    if (self) {
        release(self->view);
        self->view = retain(view);
    }
 
    return self;
}
 
static void setState(TabViewItem *self, int state) {
 
    self->state = state;
 
    if (self->state & TabStateSelected) {
        $((View *) self->label, addClassName, "selected");
    } else {
        $((View *) self->label, removeClassName, "selected");
    }
}
 
#pragma mark - Class lifecycle
 
static void initialize(Class *clazz) {
 
    ((ObjectInterface *) clazz->interface)->dealloc = dealloc;
 
    ((TabViewItemInterface *) clazz->interface)->initWithIdentifier = initWithIdentifier;
    ((TabViewItemInterface *) clazz->interface)->initWithView = initWithView;
    ((TabViewItemInterface *) clazz->interface)->setState = setState;
}
 
Class *_TabViewItem(void) {
    static Class *clazz;
    static Once once;
 
    do_once(&once, {
        clazz = _initialize(&(const ClassDef) {
            .name = "TabViewItem",
            .superclass = _Object(),
            .instanceSize = sizeof(TabViewItem),
            .interfaceOffset = offsetof(TabViewItem, interface),
            .interfaceSize = sizeof(TabViewItemInterface),
            .initialize = initialize,
        });
    });
 
    return clazz;
}
 
#undef _Class