ui/motif/label.c

/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright 2024 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 "label.h"
#include "container.h"
#include "../common/context.h"
#include "../common/object.h"

static UIWIDGET label_create(UiObject *obj, UiLabelArgs args, int align) {
    Arg xargs[16];
    int n = 0;
    
    UiContainerPrivate *ctn = ui_obj_container(obj);
    UI_APPLY_LAYOUT(ctn->layout, args);
    
    Widget parent = ctn->prepare(ctn, xargs, &n);
    
    XtSetArg(xargs[n], XmNalignment, align); n++;
    XmString label = NULL;
    if(args.label) {
        label = XmStringCreateLocalized((char*)args.label);
        XtSetArg(xargs[n], XmNlabelString, label); n++;
    }
    
    char *name = args.name ? (char*)args.name : "label";
    Widget w = XmCreateLabel(parent, name, xargs, n);
    XtManageChild(w);
    ctn->add(ctn, w);
    
    XmStringFree(label);
    return w;
} 

UIWIDGET ui_label_create(UiObject* obj, UiLabelArgs args) {
    return label_create(obj, args, XmALIGNMENT_CENTER);
}

UIWIDGET ui_llabel_create(UiObject* obj, UiLabelArgs args) {
    return label_create(obj, args, XmALIGNMENT_BEGINNING);
}

UIWIDGET ui_rlabel_create(UiObject* obj, UiLabelArgs args) {
    return label_create(obj, args, XmALIGNMENT_END);
}