src/motif/xmcombo/demo.c

   1 /*
   2  * demo.c -- Example how to use a ComboBox
   3  *
   4  * compile and link with:
   5  * $ cc -DFUNCPROTO ComboBoxDemo.c ComboBox.o -o ComboBoxDemo \
   6  *   -lXm -lXt -lX11
   7  * then run:
   8  * $ ./ComboBoxDemo
   9  *
  10  * (c) 1993, 1994 Harald Albrecht
  11  * Institut fuer Geometrie und Praktische Mathematik
  12  * RWTH Aachen, Germany
  13  * albrecht@igpm.rwth-aachen.de
  14  *
  15  * This program is free software; you can redistribute it and/or modify
  16  * it under the terms of the GNU General Public License as published by
  17  * the Free Software Foundation; either version 2 of the License, or
  18  * (at your option) any later version.
  19  *
  20  * This program is distributed in the hope that it will be useful,
  21  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  22  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  23  * GNU General Public License for more details.
  24  *
  25  * You should have received a copy of the GNU General Public License
  26  * along with this program (see the file COPYING for more details);
  27  * if not, write to the Free Software Foundation, Inc., 675 Mass Ave,
  28  * Cambridge, MA 02139, USA.
  29  *
  30  */
  31 #include <stdio.h>
  32 #include <Xm/Xm.h>
  33 #include <Xm/Form.h>
  34 #include <Xm/Label.h>
  35 #include <Xm/Separator.h>
  36 #include <Xm/PushB.h>
  37 #include "combobox.h"
  38
  39 Widget TopLevel, Form, Button, Text, Sepp, ComboBox1, ComboBox2, ComboBox3, Label;
  40
  41 void QuitCB(Widget w, caddr_t pClientData, caddr_t pCallData)
  42 {
  43     char *text;
  44
  45     text = XmComboBoxGetString(ComboBox1);
  46     fprintf(stderr, "You choosed \"%s\" out of the first ComboBox\n", text);
  47     XtFree(text);
  48     text = XmComboBoxGetString(ComboBox2);
  49     fprintf(stderr, "You entered \"%s\" into the second ComboBox\n", text);
  50     XtFree(text);
  51     fprintf(stderr, "Bye! ... have fun with XmComboBox!\n");
  52     exit(0);
  53 } /* QuitCB */
  54
  55 int main(int argc, String argv[])
  56 {
  57     XmString         str;
  58     Boolean          Trav;
  59     XtAppContext     AppContext;
  60
  61 #if (XmREVISION > 1)
  62     XtSetLanguageProc(NULL,NULL,NULL);
  63 #endif
  64     TopLevel = XtAppInitialize(&AppContext, "XFontSelDemo", NULL, 0,
  65 #if (XmREVISION > 1)
  66                                &argc,
  67 #else
  68                                (Cardinal *) &argc,
  69 #endif
  70                                argv, NULL, NULL, 0);
  71
  72     Form = XtVaCreateManagedWidget("form", xmFormWidgetClass, TopLevel, NULL);
  73     str = XmStringCreateLtoR("Click to quit", XmSTRING_DEFAULT_CHARSET);
  74     Button = XtVaCreateManagedWidget("quit", xmPushButtonWidgetClass, Form,
  75                         XmNlabelString, str,
  76                         XmNleftAttachment, XmATTACH_FORM,
  77                         XmNleftOffset, 8,
  78                         XmNtopAttachment,  XmATTACH_FORM,
  79                         XmNtopOffset, 8,
  80                         NULL);
  81     XmStringFree(str);
  82     XtAddCallback(Button, XmNactivateCallback, (XtCallbackProc) QuitCB, NULL);
  83
  84     Sepp = XtVaCreateManagedWidget("separator1", xmSeparatorWidgetClass, Form,
  85                         XmNleftAttachment, XmATTACH_FORM,
  86                         XmNrightAttachment, XmATTACH_FORM,
  87                         XmNtopAttachment, XmATTACH_WIDGET,
  88                         XmNtopOffset, 8,
  89                         XmNtopWidget, Button,
  90                         NULL);
  91
  92     str = XmStringCreateLtoR("Choose one:", XmSTRING_DEFAULT_CHARSET);
  93     ComboBox1 = XtVaCreateManagedWidget("combobox1", xmComboBoxWidgetClass, Form,
  94                         XmNeditable, False,
  95                         XmNsorted, True,
  96                         XmNleftAttachment, XmATTACH_FORM,
  97                         XmNleftOffset, 8,
  98                         XmNrightAttachment, XmATTACH_FORM,
  99                         XmNrightOffset, 8,
 100                         XmNtopAttachment, XmATTACH_WIDGET,
 101                         XmNtopOffset, 8,
 102                         XmNtopWidget, Sepp,
 103                         XmNshowLabel, True,
 104                         XmNlabelString, str,
 105                         NULL);
 106     XmStringFree(str);
 107     /* Put string unordered into the combo box! They'll get sorted
 108      * by the box.
 109      */
 110     str = XmStringCreateLtoR("William the conquerior", XmSTRING_DEFAULT_CHARSET);
 111     XmComboBoxAddItem(ComboBox1, str, 0); XmStringFree(str);
 112     str = XmStringCreateLtoR("Karl der Gro\337e", XmSTRING_DEFAULT_CHARSET);
 113     XmComboBoxAddItem(ComboBox1, str, 0); XmStringFree(str);
 114     str = XmStringCreateLtoR("Henry VIII & his chicken band", XmSTRING_DEFAULT_CHARSET);
 115     XmComboBoxAddItem(ComboBox1, str, 0); XmStringFree(str);
 116     str = XmStringCreateLtoR("Louis XIV", XmSTRING_DEFAULT_CHARSET);
 117     XmComboBoxAddItem(ComboBox1, str, 0); XmStringFree(str);
 118     str = XmStringCreateLtoR("Louis de Funes", XmSTRING_DEFAULT_CHARSET);
 119     XmComboBoxAddItem(ComboBox1, str, 0); XmStringFree(str);
 120     str = XmStringCreateLtoR("Helmut Kohl", XmSTRING_DEFAULT_CHARSET);
 121     XmComboBoxAddItem(ComboBox1, str, 0); XmStringFree(str);
 122     str = XmStringCreateLtoR("James Major", XmSTRING_DEFAULT_CHARSET);
 123     XmComboBoxAddItem(ComboBox1, str, 0); XmStringFree(str);
 124     str = XmStringCreateLtoR("James Bond", XmSTRING_DEFAULT_CHARSET);
 125     XmComboBoxAddItem(ComboBox1, str, 0); XmStringFree(str);
 126     str = XmStringCreateLtoR("Billy Boy (M$ Windoze)", XmSTRING_DEFAULT_CHARSET);
 127     XmComboBoxAddItem(ComboBox1, str, 0); XmStringFree(str);
 128     str = XmStringCreateLtoR("Francois Mitterand", XmSTRING_DEFAULT_CHARSET);
 129     XmComboBoxAddItem(ComboBox1, str, 0);
 130     XmComboBoxSelectItem(ComboBox1, str, False);
 131     XmStringFree(str);
 132
 133     str = XmStringCreateLtoR("Choose/edit:", XmSTRING_DEFAULT_CHARSET);
 134     ComboBox2 = XtVaCreateManagedWidget("combobox2", xmComboBoxWidgetClass, Form,
 135                         XmNeditable, True,
 136                         XmNsorted, True,
 137                         XmNleftAttachment, XmATTACH_FORM,
 138                         XmNleftOffset, 8,
 139                         XmNrightAttachment, XmATTACH_FORM,
 140                         XmNrightOffset, 8,
 141                         XmNtopAttachment, XmATTACH_WIDGET,
 142                         XmNtopOffset, 8,
 143                         XmNtopWidget, ComboBox1,
 144                         XmNshowLabel, True,
 145                         XmNlabelString, str,
 146                         NULL);
 147     str = XmStringCreateLtoR("item can be edited after choosing it", XmSTRING_DEFAULT_CHARSET);
 148     XmComboBoxAddItem(ComboBox2, str, 0); XmStringFree(str);
 149     str = XmStringCreateLtoR("just to fill the list", XmSTRING_DEFAULT_CHARSET);
 150     XmComboBoxAddItem(ComboBox2, str, 0); XmStringFree(str);
 151     str = XmStringCreateLtoR("so it contains more entries", XmSTRING_DEFAULT_CHARSET);
 152     XmComboBoxAddItem(ComboBox2, str, 0); XmStringFree(str);
 153
 154     str = XmStringCreateLtoR("Static ComboBox:", XmSTRING_DEFAULT_CHARSET);
 155     ComboBox3 = XtVaCreateManagedWidget("combobox3", xmComboBoxWidgetClass, Form,
 156                         XmNeditable, True,
 157                         XmNstaticList, True,
 158                         XmNsorted, False,
 159                         XmNcolumns, 30,
 160                         XmNleftAttachment, XmATTACH_FORM,
 161                         XmNleftOffset, 8,
 162                         XmNrightAttachment, XmATTACH_FORM,
 163                         XmNrightOffset, 8,
 164                         XmNtopAttachment, XmATTACH_WIDGET,
 165                         XmNtopOffset, 8,
 166                         XmNtopWidget, ComboBox2,
 167                         XmNshowLabel, True,
 168                         XmNlabelString, str,
 169                         NULL);
 170     XmStringFree(str);
 171     str = XmStringCreateLtoR("ComboBox (noneditable)", XmSTRING_DEFAULT_CHARSET);
 172     XmComboBoxAddItem(ComboBox3, str, 0); XmStringFree(str);
 173     str = XmStringCreateLtoR("ComboBox (editable)", XmSTRING_DEFAULT_CHARSET);
 174     XmComboBoxAddItem(ComboBox3, str, 0); XmStringFree(str);
 175     str = XmStringCreateLtoR("ComboBox (editable & static List)", XmSTRING_DEFAULT_CHARSET);
 176     XmComboBoxAddItem(ComboBox3, str, 0); XmStringFree(str);
 177     str = XmStringCreateLtoR("Center widget", XmSTRING_DEFAULT_CHARSET);
 178     XmComboBoxAddItem(ComboBox3, str, 0); XmStringFree(str);
 179     str = XmStringCreateLtoR("The ButtonFace Library", XmSTRING_DEFAULT_CHARSET);
 180     XmComboBoxAddItem(ComboBox3, str, 0); XmStringFree(str);
 181
 182     Sepp = XtVaCreateManagedWidget("separator", xmSeparatorWidgetClass, Form,
 183                         XmNleftAttachment, XmATTACH_FORM,
 184                         XmNrightAttachment, XmATTACH_FORM,
 185                         XmNtopAttachment, XmATTACH_WIDGET,
 186                         XmNtopOffset, 8,
 187                         XmNtopWidget, ComboBox3,
 188                         NULL);
 189
 190     str = XmStringCreateLtoR(
 191 "xmComboBoxWidgetClass Demo\n\nby Harald Albrecht\n\n\
 192 albrecht@igpm.rwth-aachen.de", XmSTRING_DEFAULT_CHARSET);
 193     Label = XtVaCreateManagedWidget("label", xmLabelWidgetClass, Form,
 194                         XmNlabelString, str,
 195                         XmNleftAttachment, XmATTACH_FORM,
 196                         XmNleftOffset, 80,
 197                         XmNrightAttachment, XmATTACH_FORM,
 198                         XmNrightOffset, 80,
 199                         XmNbottomAttachment, XmATTACH_FORM,
 200                         XmNbottomOffset, 24,
 201                         XmNtopAttachment, XmATTACH_WIDGET,
 202                         XmNtopWidget, Sepp,
 203                         XmNtopOffset, 24,
 204                         NULL);
 205     XmStringFree(str);
 206
 207     XtRealizeWidget(TopLevel);
 208
 209     XtAppMainLoop(AppContext);
 210     return 0; /* Never will reach this */
 211 } /* main */
 212
 213
 214 /* End of ComboBoxDemo.c */