Microline/examples/tree2.c

   1 /* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
   2  *
   3  * ***** BEGIN LICENSE BLOCK *****
   4  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
   5  *
   6  * The contents of this file are subject to the Mozilla Public License Version
   7  * 1.1 (the "License"); you may not use this file except in compliance with
   8  * the License. You may obtain a copy of the License at
   9  * http://www.mozilla.org/MPL/
  10  *
  11  * Software distributed under the License is distributed on an "AS IS" basis,
  12  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
  13  * for the specific language governing rights and limitations under the
  14  * License.
  15  *
  16  * The Original Code is the Microline Widget Library, originally made available under the NPL by Neuron Data <http://www.neurondata.com>.
  17  *
  18  * The Initial Developer of the Original Code is
  19  * Netscape Communications Corporation.
  20  * Portions created by the Initial Developer are Copyright (C) 1998
  21  * the Initial Developer. All Rights Reserved.
  22  *
  23  * Contributor(s):
  24  *
  25  * Alternatively, the contents of this file may be used under the terms of
  26  * either the GNU General Public License Version 2 or later (the "GPL"), or
  27  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
  28  * in which case the provisions of the GPL or the LGPL are applicable instead
  29  * of those above. If you wish to allow use of your version of this file only
  30  * under the terms of either the GPL or the LGPL, and not to allow others to
  31  * use your version of this file under the terms of the MPL, indicate your
  32  * decision by deleting the provisions above and replace them with the notice
  33  * and other provisions required by the GPL or the LGPL. If you do not delete
  34  * the provisions above, a recipient may use your version of this file under
  35  * the terms of any one of the MPL, the GPL or the LGPL.
  36  *
  37  * In addition, as a special exception to the GNU GPL, the copyright holders
  38  * give permission to link the code of this program with the Motif and Open
  39  * Motif libraries (or with modified versions of these that use the same
  40  * license), and distribute linked combinations including the two. You
  41  * must obey the GNU General Public License in all respects for all of
  42  * the code used other than linking with Motif/Open Motif. If you modify
  43  * this file, you may extend this exception to your version of the file,
  44  * but you are not obligated to do so. If you do not wish to do so,
  45  * delete this exception statement from your version.
  46  *
  47  * ***** END LICENSE BLOCK ***** */
  48
  49
  50 #include <Xm/Xm.h>
  51 #include <XmL/Tree.h>
  52
  53 main(argc, argv)
  54 int argc;
  55 char *argv[];
  56 {
  57         XtAppContext app;
  58         Widget shell, tree;
  59         int i, n, size;
  60         XmString str;
  61         XmLTreeRowDefinition *rows;
  62         static struct
  63                         {
  64                 Boolean expands;
  65                 int level;
  66                 char *string;
  67         } data[] =
  68         {
  69                 { True,  0, "Root" },
  70                 { True,  1, "Level 1 Parent" },
  71                 { False, 2, "1st Child of Level 1 Parent" },
  72                 { False, 2, "2nd Child of Level 1 Parent" },
  73                 { True,  2, "Level 2 Parent" },
  74                 { False, 3, "Child of Level 2 Parent" },
  75                 { True,  1, "Level 1 Parent" },
  76                 { False, 2, "Child of Level 1 Parent" },
  77         };
  78
  79         shell =  XtAppInitialize(&app, "Tree2", NULL, 0,
  80                 &argc, argv, NULL, NULL, 0);
  81
  82         tree = XtVaCreateManagedWidget("tree",
  83                 xmlTreeWidgetClass, shell,
  84                 XtVaTypedArg, XmNbackground, XmRString, "#C0C0C0", 6,
  85                 XtVaTypedArg, XmNforeground, XmRString, "black", 6,
  86                 XtVaTypedArg, XmNblankBackground, XmRString, "white", 6,
  87                 XtVaTypedArg, XmNselectBackground, XmRString, "#000080", 8,
  88                 XtVaTypedArg, XmNselectForeground, XmRString, "white", 6,
  89                 XtVaTypedArg, XmNconnectingLineColor, XmRString, "#808080", 8,
  90                 XmNvisibleRows, 10,
  91                 XmNwidth, 250,
  92                 NULL);
  93         XtVaSetValues(tree,
  94                 XmNcellDefaults, True,
  95                 XtVaTypedArg, XmNcellBackground, XmRString, "white", 6,
  96                 NULL);
  97
  98         /* Create a TreeRowDefinition array from the data array */
  99         /* and add rows to the Tree */
 100         n = 8;
 101         size = sizeof(XmLTreeRowDefinition) * n;
 102         rows = (XmLTreeRowDefinition *)malloc(size);
 103         for (i = 0; i < n; i++)
 104         {
 105                 rows[i].level = data[i].level;
 106                 rows[i].expands = data[i].expands;
 107                 rows[i].isExpanded = True;
 108                 rows[i].pixmap = XmUNSPECIFIED_PIXMAP;
 109                 rows[i].pixmask = XmUNSPECIFIED_PIXMAP;
 110                 rows[i].string = XmStringCreateSimple(data[i].string);
 111         }
 112         XmLTreeAddRows(tree, rows, n, -1);
 113
 114         /* Free the TreeRowDefintion array (and XmStrings) we created above */
 115         for (i = 0; i < n; i++)
 116                 XmStringFree(rows[i].string);
 117         free((char *)rows);
 118
 119         XtRealizeWidget(shell);
 120         XtAppMainLoop(app);
 121 }