ui/common/context.c

/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright 2014 Olaf Wintermann. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 *   1. Redistributions of source code must retain the above copyright
 *      notice, this list of conditions and the following disclaimer.
 *
 *   2. Redistributions in binary form must reproduce the above copyright
 *      notice, this list of conditions and the following disclaimer in the
 *      documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#include "context.h"
#include "../ui/window.h"

void uic_docmgr_init() {
    
}

UiContext* uic_context(UiObject *toplevel, UcxMempool *mp) {
    UiContext *ctx = ucx_mempool_malloc(mp, sizeof(UiContext));
    UcxAllocator *allocator = ucx_mempool_allocator(mp);
    ctx->mempool = mp;
    ctx->allocator = allocator;
    
    ctx->toplevel = toplevel;
    ctx->vars = ucx_map_new_a(allocator, 16);
    
    return ctx;
}

UiVar* uic_getvar(UiObject *obj, char *name) {
    return ucx_map_cstr_get(obj->ctx->vars, name);
}

UiVar* uic_addplaceholder(UiObject *obj, char *name) {
    UiVar *var = ucx_mempool_malloc(obj->ctx->mempool, sizeof(UiVar));
    var->type = -1;
    var->value = NULL;
    ucx_map_cstr_put(obj->ctx->vars, name, var);
}

void ui_window_addint(UiObject *obj, char *name) {
    if(uic_getvar(obj, name)) {
        // var already exists
        return;
    }
    UiInteger *i = ucx_mempool_calloc(obj->ctx->mempool, 1, sizeof(UiInteger));
    ui_window_regint(obj, name, i);
}

void ui_window_regint(UiObject *obj, char *name, UiInteger *i) {
    if(uic_getvar(obj, name)) {
        // var already exists
        return;
    }
    UiVar *var = ucx_mempool_malloc(obj->ctx->mempool, sizeof(UiVar));
    var->value = i;
    var->type = 1;
    ucx_map_cstr_put(obj->ctx->vars, name, var);
}

void ui_window_setint(UiObject *obj, char *name, int val) {
    UiVar *var = uic_getvar(obj, name);
    if(var && var->type == 1) {
        UiInteger *i = var->value;
        i->set(i, val);
    } else {
        // TODO: error message
    }
}

int ui_window_getint(UiObject *obj, char *name) {
    UiVar *var = uic_getvar(obj, name);
    if(var && var->type == 1) {
        UiInteger *i = var->value;
        return i->get(i);
    } else {
        return 0; // TODO: error message
    }
}