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folder4.c

/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
 *
 * ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 * http://www.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * The Original Code is the Microline Widget Library, originally made available under the NPL by Neuron Data <http://www.neurondata.com>.
 *
 * The Initial Developer of the Original Code is
 * Netscape Communications Corporation.
 * Portions created by the Initial Developer are Copyright (C) 1998
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either the GNU General Public License Version 2 or later (the "GPL"), or
 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
 * of those above. If you wish to allow use of your version of this file only
 * under the terms of either the GPL or the LGPL, and not to allow others to
 * use your version of this file under the terms of the MPL, indicate your
 * decision by deleting the provisions above and replace them with the notice
 * and other provisions required by the GPL or the LGPL. If you do not delete
 * the provisions above, a recipient may use your version of this file under
 * the terms of any one of the MPL, the GPL or the LGPL.
 *
 * In addition, as a special exception to the GNU GPL, the copyright holders
 * give permission to link the code of this program with the Motif and Open
 * Motif libraries (or with modified versions of these that use the same
 * license), and distribute linked combinations including the two. You
 * must obey the GNU General Public License in all respects for all of
 * the code used other than linking with Motif/Open Motif. If you modify
 * this file, you may extend this exception to your version of the file,
 * but you are not obligated to do so. If you do not wish to do so,
 * delete this exception statement from your version.
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 * ***** END LICENSE BLOCK ***** */


#include <Xm/Xm.h>
#include <Xm/DrawnB.h>
#include <Xm/Form.h>
#include <Xm/Label.h>
#include <Xm/PushB.h>
#include <XmL/Folder.h>

void addTab();
void removeTab();
void activate();

#define sphere_width 16
#define sphere_height 16
static unsigned char sphere_bits[] = {
      0x00, 0x00, 0x00, 0x00, 0xc0, 0x07, 0xe0, 0x0f, 0xf0, 0x1f, 0x38, 0x3f,
      0xb8, 0x3f, 0xf8, 0x3f, 0xf8, 0x3f, 0xf8, 0x3f, 0xf0, 0x1f, 0xe0, 0x0f,
      0xc0, 0x07, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};

#define monitor_width 16
#define monitor_height 16
static unsigned char monitor_bits[] = {
      0x00, 0x00, 0xf8, 0x3f, 0xf8, 0x3f, 0x18, 0x30, 0x58, 0x37, 0x18, 0x30,
      0x58, 0x37, 0x18, 0x30, 0xf8, 0x3f, 0xf8, 0x3f, 0x80, 0x03, 0x80, 0x03,
      0xf0, 0x1f, 0xf0, 0x1f, 0x00, 0x00, 0x00, 0x00};

Widget folder, label;

Pixmap monitorPixmap, spherePixmap;

main(argc, argv)
int argc;
char *argv[];
{
      XtAppContext app;
      Widget shell, form, folderForm, addButton, removeButton;
      Pixel black, grey;

      shell =  XtAppInitialize(&app, "Folder4", NULL, 0,
            &argc, argv, NULL, NULL, 0);

      XtVaSetValues(shell,
            XmNallowShellResize, True,
            NULL);

      form = XtVaCreateManagedWidget("form",
            xmFormWidgetClass, shell,
            XtVaTypedArg, XmNbackground, XmRString, "#C0C0C0", 8,
            XmNmarginWidth, 8,
            XmNmarginHeight, 8,
            XmNhorizontalSpacing, 4,
            XmNverticalSpacing, 4,
            XmNshadowThickness, 0,
            NULL);

      /* Create Pixmaps with grey background (from form) */
      black = BlackPixelOfScreen(XtScreen(shell));
      XtVaGetValues(form,
            XmNbackground, &grey,
            NULL);
      spherePixmap = XCreatePixmapFromBitmapData(XtDisplay(shell),
            DefaultRootWindow(XtDisplay(shell)),
            sphere_bits, sphere_width, sphere_height,
            black, grey,
            DefaultDepthOfScreen(XtScreen(shell)));
      monitorPixmap = XCreatePixmapFromBitmapData(XtDisplay(shell),
            DefaultRootWindow(XtDisplay(shell)),
            monitor_bits, monitor_width, monitor_height,
            black, grey,
            DefaultDepthOfScreen(XtScreen(shell)));

      removeButton = XtVaCreateManagedWidget("Remove Tab",
            xmPushButtonWidgetClass, form,
            XtVaTypedArg, XmNbackground, XmRString, "#C0C0C0", 8,
            XtVaTypedArg, XmNforeground, XmRString, "black", 6,
            XmNrightAttachment, XmATTACH_FORM,
            XmNbottomAttachment, XmATTACH_FORM,
            XmNmarginWidth, 10,
            NULL);
      XtAddCallback(removeButton, XmNactivateCallback, removeTab, NULL);

      addButton = XtVaCreateManagedWidget("Add Tab",
            xmPushButtonWidgetClass, form,
            XtVaTypedArg, XmNbackground, XmRString, "#C0C0C0", 8,
            XtVaTypedArg, XmNforeground, XmRString, "black", 6,
            XmNrightAttachment, XmATTACH_WIDGET,
            XmNrightWidget, removeButton,
            XmNbottomAttachment, XmATTACH_FORM,
            XmNmarginWidth, 20,
            NULL);
      XtAddCallback(addButton, XmNactivateCallback, addTab, NULL);

      folder = XtVaCreateManagedWidget("folder",
            xmlFolderWidgetClass, form,
            XtVaTypedArg, XmNbackground, XmRString, "#C0C0C0", 8,
            XtVaTypedArg, XmNforeground, XmRString, "black", 6,
            XmNtabsPerRow, 4,
            XmNcornerStyle, XmCORNER_NONE,
            XmNspacing, 1,
            XmNtopAttachment, XmATTACH_FORM,
            XmNbottomAttachment, XmATTACH_WIDGET,
            XmNbottomWidget, removeButton,
            XmNleftAttachment, XmATTACH_FORM,
            XmNrightAttachment, XmATTACH_FORM,
            XmNresizePolicy, XmRESIZE_DYNAMIC,
            NULL);
      XtAddCallback(folder, XmNactivateCallback, activate, NULL);

      /* Add a Form to the Folder, this will appear in the page area */
      folderForm = XtVaCreateManagedWidget("form",
            xmFormWidgetClass, folder,
            XtVaTypedArg, XmNbackground, XmRString, "#C0C0C0", 8,
            NULL);

      /* Add a Label as a child of the Form */
      label = XtVaCreateManagedWidget("Page Area",
            xmLabelWidgetClass, folderForm,
            XtVaTypedArg, XmNbackground, XmRString, "#C0C0C0", 8,
            XtVaTypedArg, XmNforeground, XmRString, "black", 6,
            XmNmarginWidth, 100,
            XmNmarginHeight, 80,
            XmNrecomputeSize, False,
            XmNtopAttachment, XmATTACH_FORM,
            XmNbottomAttachment, XmATTACH_FORM,
            XmNleftAttachment, XmATTACH_FORM,
            XmNrightAttachment, XmATTACH_FORM,
            NULL);

      XtRealizeWidget(shell);
      XtAppMainLoop(app);
}

void addTab(w, clientData, callData)
Widget w;
XtPointer clientData;
XtPointer callData;
{
      Widget tabButton, form;
      int count;
      char tabName[30];
      XmString str;
      Pixmap pixmap;

      XtVaGetValues(folder,
            XmNtabCount, &count,
            NULL);

      /* Every other tab will have a sphere pixmap */
      if (count % 2)
            pixmap = spherePixmap;
      else
            pixmap = monitorPixmap;

      /* Add a tab (DrawnButton) to the Folder */
      sprintf(tabName, "Tab %d", count);
      str = XmStringCreateSimple(tabName);
      tabButton = XtVaCreateManagedWidget("tab",
            xmDrawnButtonWidgetClass, folder,
            XmNlabelString, str,
            XmNmarginWidth, 8,
            XmNtabPixmap, pixmap,
            XmNtabInactivePixmap, pixmap,
            NULL);
      XmStringFree(str);
}

void removeTab(w, clientData, callData)
Widget w;
XtPointer clientData;
XtPointer callData;
{
      int count;
      WidgetList tabs;

      XtVaGetValues(folder,
            XmNtabCount, &count,
            XmNtabWidgetList, &tabs,
            NULL);
      if (!count)
            return;
      XtDestroyWidget(tabs[count - 1]);
}

void activate(w, clientData, callData)
Widget w;
XtPointer clientData;
XtPointer callData;
{
      XmLFolderCallbackStruct *cbs;
      XmString str;
      char buf[20];
      int pos;

      /* Change the Label in the page area to reflect */
      /* the selected position */
      cbs = (XmLFolderCallbackStruct *)callData;
      sprintf(buf, "Page %d", cbs->pos);
      str = XmStringCreateSimple(buf);
      XtVaSetValues(label,
            XmNlabelString, str,
            NULL);
}

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