kdbg/pgmargs.cpp

   1 // $Id$
   2
   3 // Copyright by Johannes Sixt
   4 // This file is under GPL, the GNU General Public Licence
   5
   6 #include "pgmargs.h"
   7 #include <kapp.h>
   8 #include <kfiledialog.h>
   9 #if QT_VERSION >= 200
  10 #include <klocale.h>                    /* i18n */
  11 #endif
  12 #include "mydebug.h"
  13
  14 PgmArgs::PgmArgs(QWidget* parent, const QString& pgm, QDict<EnvVar>& envVars) :
  15         QDialog(parent, "pgmargs", true),
  16         m_envVars(envVars),
  17         m_label(this, "label"),
  18         m_programArgs(this, "args"),
  19         m_wdLabel(this, "wd_label"),
  20         m_wd(this, "wd"),
  21         m_wdBrowse(this, "wd_browse"),
  22         m_envLabel(this, "env_label"),
  23         m_envVar(this, "env_var"),
  24         m_envList(this, "env_list"),
  25         m_buttonOK(this, "ok"),
  26         m_buttonCancel(this, "cancel"),
  27         m_buttonModify(this, "modify"),
  28         m_buttonDelete(this, "delete"),
  29         m_layout(this, 8),
  30         m_edits(8),
  31         m_buttons(8),
  32         m_wdEdit(0)
  33 {
  34     m_envVars.setAutoDelete(false);
  35
  36     QString title = kapp->getCaption();
  37     title += i18n(": Program arguments");
  38     setCaption(title);
  39
  40     QString fmt = i18n("Run %s with these arguments:");
  41 #if QT_VERSION < 200
  42     QString lab(fmt.length() + pgm.length());
  43 #else
  44     QString lab;
  45 #endif
  46     lab.sprintf(fmt, pgm.data());
  47     m_label.setText(lab);
  48     QSize s = m_label.sizeHint();
  49     /* don't make the label too wide if pgm name is very long */
  50     if (s.width() > 450)
  51         s.setWidth(450);
  52     m_label.setMinimumSize(s);
  53
  54     s = m_programArgs.sizeHint();
  55     m_programArgs.setMinimumSize(s);
  56     m_programArgs.setMaxLength(10000);
  57
  58     m_wdLabel.setText(i18n("Working directory:"));
  59     s = m_wdLabel.sizeHint();
  60     m_wdLabel.setMinimumSize(s);
  61     int btnSpace = s.height();
  62
  63     m_wdBrowse.setText("...");
  64     s = m_wdBrowse.sizeHint();
  65     m_wdBrowse.setMinimumSize(s);
  66     connect(&m_wdBrowse, SIGNAL(clicked()), SLOT(browseWd()));
  67
  68     s = m_wd.sizeHint();
  69     m_wd.setMinimumSize(s);
  70     m_wd.setMaxLength(10000);
  71     btnSpace += s.height();
  72
  73     m_envLabel.setText(i18n("Environment variables (NAME=value):"));
  74     s = m_envLabel.sizeHint();
  75     m_envLabel.setMinimumSize(s);
  76
  77     s = m_envVar.sizeHint();
  78     m_envVar.setMinimumSize(s);
  79     m_envVar.setMaxLength(10000);
  80
  81     m_envList.setMinimumSize(330, 40);
  82     m_envList.addColumn(i18n("Name"), 100);
  83     m_envList.addColumn(i18n("Value"), 260);
  84     connect(&m_envList, SIGNAL(currentChanged(QListViewItem*)),
  85             SLOT(envListCurrentChanged(QListViewItem*)));
  86     initEnvList();
  87
  88     m_buttonOK.setText(i18n("OK"));
  89     m_buttonOK.setDefault(true);
  90     s = m_buttonOK.sizeHint();
  91     m_buttonOK.setMinimumSize(s);
  92     connect(&m_buttonOK, SIGNAL(clicked()), SLOT(accept()));
  93
  94     m_buttonCancel.setText(i18n("Cancel"));
  95     s = m_buttonCancel.sizeHint();
  96     m_buttonCancel.setMinimumSize(s);
  97     connect(&m_buttonCancel, SIGNAL(clicked()), SLOT(reject()));
  98
  99     m_buttonModify.setText(i18n("&Modify"));
 100     s = m_buttonModify.sizeHint();
 101     m_buttonModify.setMinimumSize(s);
 102     connect(&m_buttonModify, SIGNAL(clicked()), SLOT(modifyVar()));
 103
 104     m_buttonDelete.setText(i18n("&Delete"));
 105     s = m_buttonDelete.sizeHint();
 106     m_buttonDelete.setMinimumSize(s);
 107     connect(&m_buttonDelete, SIGNAL(clicked()), SLOT(deleteVar()));
 108
 109     m_layout.addLayout(&m_edits, 10);
 110     m_layout.addLayout(&m_buttons);
 111     m_edits.addWidget(&m_label);
 112     m_edits.addWidget(&m_programArgs);
 113     m_edits.addWidget(&m_wdLabel);
 114     m_edits.addLayout(&m_wdEdit);
 115     m_edits.addWidget(&m_envLabel);
 116     m_edits.addWidget(&m_envVar);
 117     m_edits.addWidget(&m_envList, 10);
 118     m_buttons.addWidget(&m_buttonOK);
 119     m_buttons.addWidget(&m_buttonCancel);
 120     m_buttons.addSpacing(btnSpace + 2*m_edits.defaultBorder());
 121     m_buttons.addWidget(&m_buttonModify);
 122     m_buttons.addWidget(&m_buttonDelete);
 123     m_buttons.addStretch(10);
 124     m_wdEdit.addWidget(&m_wd, 10);
 125     m_wdEdit.addWidget(&m_wdBrowse);
 126
 127     m_layout.activate();
 128
 129     m_programArgs.setFocus();
 130     resize(300, 300);
 131 }
 132
 133 PgmArgs::~PgmArgs()
 134 {
 135 }
 136
 137 void PgmArgs::modifyVar()
 138 {
 139     QString name, value;
 140     parseEnvInput(name, value);
 141     if (name.isEmpty() || name.find(' ') >= 0)  /* disallow spaces in names */
 142         return;
 143
 144     // lookup the value in the dictionary
 145     EnvVar* val = m_envVars[name];
 146     if (val != 0) {
 147         // see if this is a zombie
 148         if (val->status == EnvVar::EVdeleted) {
 149             // resurrect
 150             val->value = value;
 151             val->status = EnvVar::EVdirty;
 152             val->item = new QListViewItem(&m_envList, name, value);     // inserts itself
 153             m_envVars.insert(name, val);
 154         } else if (value != val->value) {
 155             // change the value
 156             val->value = value;
 157             val->status = EnvVar::EVdirty;
 158             val->item->setText(1, value);
 159         }
 160     } else {
 161         // add the value
 162         val = new EnvVar;
 163         val->value = value;
 164         val->status = EnvVar::EVnew;
 165         val->item = new QListViewItem(&m_envList, name, value); // inserts itself
 166         m_envVars.insert(name, val);
 167     }
 168 }
 169
 170 void PgmArgs::deleteVar()
 171 {
 172     QString name, value;
 173     parseEnvInput(name, value);
 174
 175     // lookup the value in the dictionary
 176     EnvVar* val = m_envVars[name];
 177     if (val == 0)
 178         return;
 179
 180     // delete from list
 181     QListViewItem* item = val->item;
 182     val->item = 0;
 183     delete item;
 184     // if this is a new item, delete it completely, otherwise zombie-ize it
 185     if (val->status == EnvVar::EVnew) {
 186         m_envVars.remove(name);
 187         delete val;
 188     } else {
 189         // mark value deleted
 190         val->status = EnvVar::EVdeleted;
 191     }
 192     // clear the input
 193     m_envVar.setText("");
 194 }
 195
 196 void PgmArgs::parseEnvInput(QString& name, QString& value)
 197 {
 198     // parse input from edit field
 199     QString input = m_envVar.text();
 200     int equalSign = input.find('=');
 201     if (equalSign >= 0) {
 202         name = input.left(equalSign).stripWhiteSpace();
 203 #if QT_VERSION < 200
 204         value = input.mid(equalSign+1,input.length());
 205 #else
 206         value = input.mid(equalSign+1);
 207 #endif
 208     } else {
 209         name = input.stripWhiteSpace();
 210         value = QString();              /* value is empty */
 211     }
 212 }
 213
 214 void PgmArgs::initEnvList()
 215 {
 216     QDictIterator<EnvVar> it = m_envVars;
 217     EnvVar* val;
 218     QString name;
 219     for (; (val = it) != 0; ++it) {
 220         val->status = EnvVar::EVclean;
 221         name = it.currentKey();
 222         val->item = new QListViewItem(&m_envList, name, val->value);    // inserts itself
 223     }
 224 }
 225
 226 void PgmArgs::envListCurrentChanged(QListViewItem* item)
 227 {
 228     if (item == 0)
 229         return;
 230
 231     // must get name from list box
 232     QString name = item->text(0);
 233     EnvVar* val = m_envVars[name];
 234     ASSERT(val != 0);
 235     if (val != 0) {
 236         m_envVar.setText(name + "=" + val->value);
 237     } else {
 238         m_envVar.setText(name);
 239     }
 240 }
 241
 242 void PgmArgs::accept()
 243 {
 244     modifyVar();
 245     QDialog::accept();
 246 }
 247
 248 void PgmArgs::browseWd()
 249 {
 250     // browse for the working directory
 251 #if QT_VERSION < 200
 252     QString newDir = KDirDialog::getDirectory(wd(), this);
 253 #else
 254     QString newDir = KFileDialog::getExistingDirectory(wd(), this);
 255 #endif
 256     if (!newDir.isEmpty()) {
 257         setWd(newDir);
 258     }
 259 }
 260
 261 #include "pgmargs.moc"