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grid4.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 * The Original Code is the Microline Widget Library, originally made available under the NPL by Neuron Data 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,
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 * delete this exception statement from your version.
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 * ***** END LICENSE BLOCK ***** */


#include <Xm/Xm.h>
#include <Xm/PushB.h>
#include <Xm/Form.h>
#include <XmL/Grid.h>

void cellSelect();
void showSelected();

#define HEADINGFONT "-*-helvetica-bold-o-*--*-100-*-*-*-*-iso8859-1"
#define CONTENTFONT "-*-helvetica-medium-r-*--*-100-*-*-*-*-iso8859-1"

#define check_width 9
#define check_height 9
static unsigned char check_bits[] = {
      0x00, 0x01, 0x80, 0x01, 0xc0, 0x00, 0x61, 0x00, 0x37, 0x00, 0x3e, 0x00,
      0x1c, 0x00, 0x08, 0x00, 0x00, 0x00};

#define nocheck_width 9
#define nocheck_height 9
static char nocheck_bits[] = {
      0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
      0x00, 0x00, 0x00, 0x00, 0x00, 0x00};

static char *data[20] = 
{
      "3|Bob Thompson|bobt@teledyne.com",
      "12|Darl Simon|ds@atg.org",
      "14|Jacq Frontier|jf@terrax.com",
      "19|Patty Lee|patlee@isis.com",
      "22|Michal Barnes|mickeyb@softorb.com",
      "23|Dave Schultz|daves@timing.com",
      "23|Eric Stanley|ericst@aldor.com",
      "29|Tim Winters|timw@terra.com",
      "31|Agin Tomitu|agt@umn.edu",
      "33|Betty Tinner|bett@ost.edu",
      "37|Tom Smith|tsmith@netwld.com",
      "38|Rick Wild|raw@mlsoft.com",
      "41|Al Joyce|aj@ulm.edu",
      "41|Tim Burtan|timb@autoc.com",
      "41|George Marlin|gjm@eyeln.com",
      "41|Bill Boxer|billb@idesk.com",
      "41|Maria Montez|marm@ohio.edu",
      "41|Yin Fang|aj@utxs.edu",
      "41|Suzy Saps|ss@umg.edu",
      "41|Jerry Rodgers|jr@lyra.com",
};

Pixmap nocheckPix, checkPix;
Widget grid;

main(argc, argv)
int argc;
char *argv[];
{
      XtAppContext app;
      Widget shell, form, button;
      Pixel blackPixel, whitePixel;
      Pixmap pix;
      int i;

      shell =  XtAppInitialize(&app, "Grid4", NULL, 0,
            &argc, argv, NULL, NULL, 0);

      /* Create the pixmaps used for checkmarks */
      blackPixel = BlackPixelOfScreen(XtScreen(shell));
      whitePixel = WhitePixelOfScreen(XtScreen(shell));
      checkPix = XCreatePixmapFromBitmapData(XtDisplay(shell),
            DefaultRootWindow(XtDisplay(shell)),
            check_bits, check_width, check_height,
            blackPixel, whitePixel, 
            DefaultDepthOfScreen(XtScreen(shell)));
      nocheckPix = XCreatePixmapFromBitmapData(XtDisplay(shell),
            DefaultRootWindow(XtDisplay(shell)),
            nocheck_bits, nocheck_width, nocheck_height,
            blackPixel, whitePixel, 
            DefaultDepthOfScreen(XtScreen(shell)));

      form = XtVaCreateManagedWidget("form",
            xmFormWidgetClass, shell,
            XtVaTypedArg, XmNbackground, XmRString, "#C0C0C0", 8,
            XmNshadowThickness, 0,
            NULL);

      button = XtVaCreateManagedWidget("Show Selected",
            xmPushButtonWidgetClass, form,
            XtVaTypedArg, XmNbackground, XmRString, "#C0C0C0", 8,
            XtVaTypedArg, XmNforeground, XmRString, "black", 6,
            XmNbottomAttachment, XmATTACH_FORM,
            XmNleftAttachment, XmATTACH_FORM,
            NULL);
      XtAddCallback(button, XmNactivateCallback, showSelected, NULL);

      /* Create a Grid with 4 columns.  We set the fontList in this */
      /* function for the Grid to use when calculating the visible rows */
      grid = XtVaCreateManagedWidget("grid",
            xmlGridWidgetClass, form,
            XtVaTypedArg, XmNbackground, XmRString, "#C0C0C0", 8,
            XtVaTypedArg, XmNforeground, XmRString, "black", 6,
            XtVaTypedArg, XmNfontList, XmRString, CONTENTFONT,
            strlen(CONTENTFONT) + 1,
            XmNcolumns, 4,
            XmNsimpleWidths, "3c 4c 17c 20c",
            XmNhorizontalSizePolicy, XmVARIABLE,
            XmNvsbDisplayPolicy, XmSTATIC,
            XmNvisibleRows, 13,
            XmNselectionPolicy, XmSELECT_NONE,
            XmNhighlightRowMode, True,
            XmNshadowType, XmSHADOW_ETCHED_IN,
            XmNtopAttachment, XmATTACH_FORM,
            XmNleftAttachment, XmATTACH_FORM,
            XmNrightAttachment, XmATTACH_FORM,
            XmNbottomAttachment, XmATTACH_WIDGET,
            XmNbottomWidget, button,
            NULL);
      XtAddCallback(grid, XmNselectCallback, cellSelect, NULL);

      /* Freeze the Grid's layout since we will be making changes which */
      /* would cause the Grid to recompute its layout.  The Grid will */
      /* recompute its layout when layoutFrozen is set back to False */
      XtVaSetValues(grid,
            XmNlayoutFrozen, True,
            NULL);

      /* Set defaults for new cells and aligments for new cells in */
      /* columns 1-3.  Then, add a heading row */
      XtVaSetValues(grid, 
            XmNcellDefaults, True,
            XtVaTypedArg, XmNcellFontList, XmRString, HEADINGFONT,
            strlen(HEADINGFONT) + 1,
            XtVaTypedArg, XmNcellBackground, XmRString, "#000080", 8,
            XtVaTypedArg, XmNcellForeground, XmRString, "white", 6,
            XmNcellLeftBorderType, XmBORDER_NONE,
            XmNcellRightBorderType, XmBORDER_NONE,
            XmNcellTopBorderType, XmBORDER_NONE,
            XmNcellBottomBorderType, XmBORDER_NONE,
            NULL);
      XtVaSetValues(grid,
            XmNcellDefaults, True,
            XmNcolumn, 1,
            XmNcellAlignment, XmALIGNMENT_RIGHT,
            NULL);
      XtVaSetValues(grid,
            XmNcellDefaults, True,
            XmNcolumnRangeStart, 2,
            XmNcolumnRangeEnd, 3,
            XmNcellAlignment, XmALIGNMENT_LEFT,
            NULL);
      XmLGridAddRows(grid, XmHEADING, -1, 1);

      /* Set the headings */
      XmLGridSetStrings(grid, "OD|Qty|Name|EMail Addr");

      /* Set defaults for new cells.  Also, set the default cell type */
      /* for cells in column 0 to pixmap cell. Then add the content rows */
      XtVaSetValues(grid,
            XmNcellDefaults, True,
            XtVaTypedArg, XmNcellFontList, XmRString, CONTENTFONT,
            strlen(CONTENTFONT) + 1,
            XtVaTypedArg, XmNcellBackground, XmRString, "white", 6,
            XtVaTypedArg, XmNcellForeground, XmRString, "black", 6,
            XmNcellBottomBorderType, XmBORDER_LINE,
            XtVaTypedArg, XmNcellBottomBorderColor, XmRString, "black", 6,
            NULL);
      XtVaSetValues(grid,
            XmNcellDefaults, True,
            XmNcolumn, 0,
            XmNcellType, XmPIXMAP_CELL,
            NULL);
      XmLGridAddRows(grid, XmCONTENT, -1, 20);

      /* Set the content rows, Rows 2, 4, 5, 8 and 13 will have checkmarks */
      for (i = 0; i < 20; i++)
      {
            XmLGridSetStringsPos(grid, XmCONTENT, i, XmCONTENT, 1, data[i]);
            if (i == 2 || i == 4 || i == 5 || i == 8 || i == 13)
                  pix = checkPix;
            else
                  pix = nocheckPix;
            XtVaSetValues(grid,
                  XmNcolumn, 0,
                  XmNrow, i,
                  XmNcellPixmap, pix,
                  NULL);
      }

      XtVaSetValues(grid,
            XmNlayoutFrozen, False,
            NULL);

      XtRealizeWidget(shell);
      XtAppMainLoop(app);
}

void showSelected(w, clientData, callData)
Widget w;
XtPointer clientData;
XtPointer callData;
{
      XmLGridRow row;
      XmLGridColumn column;
      Pixmap pix;
      int i, n;

      /* Display the selected rows, these are the rows which have a */
      /* checkPix Pixmap in the first cell in the row */
      printf ("Selected Rows: ");
      XtVaGetValues(grid,
            XmNrows, &n,
            NULL);
      for (i = 0; i < n; i++)
      {
            row = XmLGridGetRow(grid, XmCONTENT, i);
            column = XmLGridGetColumn(grid, XmCONTENT, 0);
            XtVaGetValues(grid,
                  XmNrowPtr, row,
                  XmNcolumnPtr, column,
                  XmNcellPixmap, &pix,
                  NULL);
            if (pix == checkPix)
                  printf ("%d ", i);
      }
      printf ("\n");
}

void cellSelect(w, clientData, callData)
Widget w;
XtPointer clientData;
XtPointer callData;
{
      XmLGridCallbackStruct *cbs;
      XmLGridRow row;
      XmLGridColumn column;
      Pixmap pix;

      cbs = (XmLGridCallbackStruct *)callData;
      if (cbs->reason != XmCR_SELECT_CELL)
            return;
      if (cbs->rowType != XmCONTENT)
            return;

      /* Toggle the Pixmap in the first cell */
      row = XmLGridGetRow(w, cbs->rowType, cbs->row);
      column = XmLGridGetColumn(w, XmCONTENT, 0);
      XtVaGetValues(w,
            XmNrowPtr, row,
            XmNcolumnPtr, column,
            XmNcellPixmap, &pix,
            NULL);
      if (pix == nocheckPix)
            pix = checkPix;
      else
            pix = nocheckPix;
      XtVaSetValues(w,
            XmNrow, cbs->row,
            XmNcolumn, 0,
            XmNcellPixmap, pix,
            NULL);
}

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