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 #include <klocale.h>                    /* i18n */
  10 #include "mydebug.h"
  11
  12 PgmArgs::PgmArgs(QWidget* parent, const QString& pgm, QDict<EnvVar>& envVars) :
  13         QDialog(parent, "pgmargs", true),
  14         m_envVars(envVars),
  15         m_label(this, "label"),
  16         m_programArgs(this, "args"),
  17         m_fileBrowse(this, "args_browse"),
  18         m_wdLabel(this, "wd_label"),
  19         m_wd(this, "wd"),
  20         m_wdBrowse(this, "wd_browse"),
  21         m_envLabel(this, "env_label"),
  22         m_envVar(this, "env_var"),
  23         m_envList(this, "env_list"),
  24         m_buttonOK(this, "ok"),
  25         m_buttonCancel(this, "cancel"),
  26         m_buttonModify(this, "modify"),
  27         m_buttonDelete(this, "delete"),
  28         m_layout(this, 8),
  29         m_edits(8),
  30         m_buttons(8),
  31         m_pgmArgsEdit(0),
  32         m_wdEdit(0)
  33 {
  34     m_envVars.setAutoDelete(false);
  35
  36     QString title = kapp->caption();
  37     title += i18n(": Program arguments");
  38     setCaption(title);
  39
  40     QString lab = i18n("Run %1 with these arguments:");
  41     {
  42         QFileInfo fi = pgm;
  43         m_label.setText(lab.arg(fi.fileName()));
  44     }
  45     QSize s = m_label.sizeHint();
  46     /* don't make the label too wide if pgm name is very long */
  47     if (s.width() > 450)
  48         s.setWidth(450);
  49     m_label.setMinimumSize(s);
  50
  51     s = m_programArgs.sizeHint();
  52     m_programArgs.setMinimumSize(s);
  53     m_programArgs.setMaxLength(10000);
  54
  55     m_fileBrowse.setText("...");
  56     s = m_fileBrowse.sizeHint();
  57     m_fileBrowse.setMinimumSize(s);
  58     connect(&m_fileBrowse, SIGNAL(clicked()), SLOT(browseArgs()));
  59
  60     m_wdLabel.setText(i18n("Working directory:"));
  61     s = m_wdLabel.sizeHint();
  62     m_wdLabel.setMinimumSize(s);
  63     int btnSpace = s.height();
  64
  65     m_wdBrowse.setText("...");
  66     s = m_wdBrowse.sizeHint();
  67     m_wdBrowse.setMinimumSize(s);
  68     connect(&m_wdBrowse, SIGNAL(clicked()), SLOT(browseWd()));
  69
  70     s = m_wd.sizeHint();
  71     m_wd.setMinimumSize(s);
  72     m_wd.setMaxLength(10000);
  73     btnSpace += s.height();
  74
  75     m_envLabel.setText(i18n("Environment variables (NAME=value):"));
  76     s = m_envLabel.sizeHint();
  77     m_envLabel.setMinimumSize(s);
  78
  79     s = m_envVar.sizeHint();
  80     m_envVar.setMinimumSize(s);
  81     m_envVar.setMaxLength(10000);
  82
  83     m_envList.setMinimumSize(330, 40);
  84     m_envList.addColumn(i18n("Name"), 100);
  85     m_envList.addColumn(i18n("Value"), 260);
  86     connect(&m_envList, SIGNAL(currentChanged(QListViewItem*)),
  87             SLOT(envListCurrentChanged(QListViewItem*)));
  88     initEnvList();
  89
  90     m_buttonOK.setText(i18n("OK"));
  91     m_buttonOK.setDefault(true);
  92     s = m_buttonOK.sizeHint();
  93     m_buttonOK.setMinimumSize(s);
  94     connect(&m_buttonOK, SIGNAL(clicked()), SLOT(accept()));
  95
  96     m_buttonCancel.setText(i18n("Cancel"));
  97     s = m_buttonCancel.sizeHint();
  98     m_buttonCancel.setMinimumSize(s);
  99     connect(&m_buttonCancel, SIGNAL(clicked()), SLOT(reject()));
 100
 101     m_buttonModify.setText(i18n("&Modify"));
 102     s = m_buttonModify.sizeHint();
 103     m_buttonModify.setMinimumSize(s);
 104     connect(&m_buttonModify, SIGNAL(clicked()), SLOT(modifyVar()));
 105
 106     m_buttonDelete.setText(i18n("&Delete"));
 107     s = m_buttonDelete.sizeHint();
 108     m_buttonDelete.setMinimumSize(s);
 109     connect(&m_buttonDelete, SIGNAL(clicked()), SLOT(deleteVar()));
 110
 111     m_layout.addLayout(&m_edits, 10);
 112     m_layout.addLayout(&m_buttons);
 113     m_edits.addWidget(&m_label);
 114     m_edits.addLayout(&m_pgmArgsEdit);
 115     m_edits.addWidget(&m_wdLabel);
 116     m_edits.addLayout(&m_wdEdit);
 117     m_edits.addWidget(&m_envLabel);
 118     m_edits.addWidget(&m_envVar);
 119     m_edits.addWidget(&m_envList, 10);
 120     m_buttons.addWidget(&m_buttonOK);
 121     m_buttons.addWidget(&m_buttonCancel);
 122     m_buttons.addSpacing(btnSpace + 2*m_edits.defaultBorder());
 123     m_buttons.addWidget(&m_buttonModify);
 124     m_buttons.addWidget(&m_buttonDelete);
 125     m_buttons.addStretch(10);
 126     m_pgmArgsEdit.addWidget(&m_programArgs, 10);
 127     m_pgmArgsEdit.addWidget(&m_fileBrowse);
 128     m_wdEdit.addWidget(&m_wd, 10);
 129     m_wdEdit.addWidget(&m_wdBrowse);
 130
 131     m_layout.activate();
 132
 133     m_programArgs.setFocus();
 134     resize(300, 300);
 135 }
 136
 137 PgmArgs::~PgmArgs()
 138 {
 139 }
 140
 141 void PgmArgs::modifyVar()
 142 {
 143     QString name, value;
 144     parseEnvInput(name, value);
 145     if (name.isEmpty() || name.find(' ') >= 0)  /* disallow spaces in names */
 146         return;
 147
 148     // lookup the value in the dictionary
 149     EnvVar* val = m_envVars[name];
 150     if (val != 0) {
 151         // see if this is a zombie
 152         if (val->status == EnvVar::EVdeleted) {
 153             // resurrect
 154             val->value = value;
 155             val->status = EnvVar::EVdirty;
 156             val->item = new QListViewItem(&m_envList, name, value);     // inserts itself
 157             m_envVars.insert(name, val);
 158         } else if (value != val->value) {
 159             // change the value
 160             val->value = value;
 161             val->status = EnvVar::EVdirty;
 162             val->item->setText(1, value);
 163         }
 164     } else {
 165         // add the value
 166         val = new EnvVar;
 167         val->value = value;
 168         val->status = EnvVar::EVnew;
 169         val->item = new QListViewItem(&m_envList, name, value); // inserts itself
 170         m_envVars.insert(name, val);
 171     }
 172 }
 173
 174 void PgmArgs::deleteVar()
 175 {
 176     QString name, value;
 177     parseEnvInput(name, value);
 178
 179     // lookup the value in the dictionary
 180     EnvVar* val = m_envVars[name];
 181     if (val == 0)
 182         return;
 183
 184     // delete from list
 185     QListViewItem* item = val->item;
 186     val->item = 0;
 187     delete item;
 188     // if this is a new item, delete it completely, otherwise zombie-ize it
 189     if (val->status == EnvVar::EVnew) {
 190         m_envVars.remove(name);
 191         delete val;
 192     } else {
 193         // mark value deleted
 194         val->status = EnvVar::EVdeleted;
 195     }
 196     // clear the input
 197     m_envVar.setText("");
 198 }
 199
 200 void PgmArgs::parseEnvInput(QString& name, QString& value)
 201 {
 202     // parse input from edit field
 203     QString input = m_envVar.text();
 204     int equalSign = input.find('=');
 205     if (equalSign >= 0) {
 206         name = input.left(equalSign).stripWhiteSpace();
 207         value = input.mid(equalSign+1);
 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     QString newDir = KFileDialog::getExistingDirectory(wd(), this);
 252     if (!newDir.isEmpty()) {
 253         setWd(newDir);
 254     }
 255 }
 256
 257 void PgmArgs::browseArgs()
 258 {
 259     QString caption = i18n("Select a file name to insert as program argument");
 260
 261     // use the selection as default
 262     QString f = m_programArgs.markedText();
 263     f = KFileDialog::getSaveFileName(f, QString::null,
 264                                      this, caption);
 265     // don't clear the selection of no file was selected
 266     if (!f.isEmpty()) {
 267         m_programArgs.insert(f);
 268     }
 269 }
 270
 271 #include "pgmargs.moc"