demos/gtk/SpawnTests.d

   1 /*
   2  * This file is part of duit.
   3  *
   4  * duit is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU Lesser General Public License as published by
   6  * the Free Software Foundation; either version 2.1 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * duit is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public License
  15  * along with duit; if not, write to the Free Software
  16  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  17  */
  18
  19 module gtk.SpawnTests;
  20
  21 private import glib.Spawn;
  22 private import gtk.Duit;
  23 private import std.stdio;
  24
  25 private import gtk.TextView;
  26 private import gtk.TextBuffer;
  27 private import gtk.TextIter;
  28 private import gtk.Box;
  29 private import gtk.VBox;
  30 private import gtk.ScrolledWindow;
  31
  32 private import gtk.MainWindow;
  33
  34 private import gtk.Button;
  35 private import gtk.Image;
  36
  37 private import std.string;
  38
  39 class SpawnWindow : MainWindow
  40 {
  41
  42         TextView viewInput;
  43         TextView viewOutput;
  44         TextView viewError;
  45
  46         this()
  47         {
  48                 super("Spawn testing");
  49                 setupWindow();
  50                 setSizeRequest(400,400);
  51                 showAll();
  52         }
  53
  54         private void setupWindow()
  55         {
  56                 Box main = new VBox(false, 2);
  57
  58                 viewInput = new TextView();
  59                 viewOutput = new TextView();
  60                 viewError = new TextView();
  61
  62                 main.packStart(new ScrolledWindow(viewInput), false, false, 2);
  63                 Button button = new Button("exec", &execInput);
  64                 main.packStart(button, false, false, 4);
  65                 main.packStart(new ScrolledWindow(viewOutput), true, true, 2);
  66                 main.packStart(new ScrolledWindow(viewError), false, false, 2);
  67
  68                 setBorderWidth(7);
  69                 add(main);
  70         }
  71
  72         private void execInput(Button button)
  73         {
  74                 char[][] args = std.string.split(viewInput.getBuffer().getText());
  75                 exec(args);
  76         }
  77
  78         private bool exec(char[][] args)
  79         {
  80                 foreach ( int i, char[] arg ; args)
  81                 {
  82                         writefln("[%s] >%s<", i, arg);
  83                 }
  84                 Spawn spawn = new Spawn(args[0]);
  85                 spawn.addChildWatch(&childEnded);
  86                 if (args.length > 1 )
  87                 {
  88                         for( int i=1 ; i<args.length ; i++ )
  89                         {
  90                                 writefln("SpawnTests.exec adding parameter [%s] %s",i,args[i]);
  91                                 spawn.addParm(args[i]);
  92                         }
  93                 }
  94                 //spawn.addParm(null);
  95                 return exec(spawn);
  96         }
  97
  98         void childEnded(int process, int status)
  99         {
 100                 writefln("process %s ended with status %s", process, status);
 101         }
 102
 103         private bool exec(Spawn spawn)
 104         {
 105
 106                 viewOutput.getBuffer().setText("");
 107                 viewError.getBuffer().setText("");
 108
 109                 int result = spawn.execAsyncWithPipes();
 110
 111                 int outCount;
 112                 int errCount;
 113
 114                 TextBuffer bufferOutput = viewOutput.getBuffer();
 115                 TextBuffer bufferError = viewError.getBuffer();
 116                 TextIter iterOut = new TextIter();
 117                 TextIter iterError = new TextIter();
 118
 119                 while ( !spawn.endOfOutput() )
 120                 {
 121                         bufferOutput.getEndIter(iterOut);
 122                         viewOutput.getBuffer().insert(iterOut, spawn.readLine()~"\n");
 123                 }
 124
 125                 while ( !spawn.endOfError() )
 126                 {
 127                         bufferError.getEndIter(iterError);
 128                         viewError.getBuffer().insert(iterError, spawn.readLineError()~"\n");
 129                 }
 130
 131                 bufferError.getEndIter(iterError);
 132                 viewError.getBuffer().insert(iterError, spawn.getLastError()~"\n");
 133
 134                 writefln("exit loop");
 135
 136                 spawn.close();
 137                 return true;
 138         }
 139
 140         public void setInput(char[][] args)
 141         {
 142                 TextBuffer inBuffer = viewInput.getBuffer();
 143                 char[] t;
 144                 foreach ( int count, char[] arg; args)
 145                 {
 146                         if ( count > 0 ) t ~= " ";
 147                         t ~= arg;
 148                 }
 149                 inBuffer.setText(t);
 150         }
 151
 152         public void setInput(char[] arg)
 153         {
 154                 viewInput.getBuffer().setText(arg);
 155         }
 156
 157
 158 }
 159
 160 void main(char[][] args)
 161 {
 162         Duit.init(args);
 163
 164         SpawnWindow sw = new SpawnWindow();
 165         if ( args.length > 1 )
 166         {
 167                 sw.setInput(args[1..args.length]);
 168         }
 169         else
 170         {
 171                 sw.setInput("/bin/ls");
 172         }
 173
 174         Duit.main();
 175 }