ui/motif/text.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 "text.h"
#include "container.h"

UIWIDGET ui_textarea(UiObject *obj, UiText *value) {
    UiContainer *ct = uic_get_current_container(obj);
    int n = 0;
    Arg args[16];
    
    //XtSetArg(args[n], XmNeditable, TRUE);
    //n++;
    XtSetArg(args[n], XmNeditMode, XmMULTI_LINE_EDIT);
    n++;
    
    Widget parent = ct->add(ct, args, &n);
    Widget text_area = XmCreateScrolledText(parent, "text_area", args, n);
    XtManageChild(text_area);
    
    // bind value
    if(value) {
        value->get = ui_textarea_get;
        value->set = ui_textarea_set;
        value->value = NULL;
        value->obj = text_area;
    }
    
    return text_area;
}

char* ui_textarea_get(UiText *text) {
    if(text->value) {
        XtFree(text->value);
    }
    char *str = XmTextGetString(text->obj);
    text->value = str;
    return str;
}

void ui_textarea_set(UiText *text, char *str) {
    if(text->value) {
        XtFree(text->value);
        text->value = NULL;
    }
    text->value = NULL;
    XmTextSetString(text->obj, str);
}