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 <qlabel.h>
   8 #include <qpushbutton.h>
   9 #include <qlistview.h>
  10 #include <qlistbox.h>
  11 #include <qtabwidget.h>
  12 #include <kapp.h>
  13 #include <kfiledialog.h>
  14 #include <klocale.h>                    /* i18n */
  15 #include "config.h"
  16 #include "mydebug.h"
  17
  18 PgmArgs::PgmArgs(QWidget* parent, const QString& pgm, QDict<EnvVar>& envVars,
  19                  const QStringList& allOptions) :
  20         PgmArgsBase(parent, "pgmargs", true),
  21         m_envVars(envVars)
  22 {
  23     m_envVars.setAutoDelete(false);
  24
  25     {
  26         QFileInfo fi = pgm;
  27         QString newText = labelArgs->text().arg(fi.fileName());
  28         labelArgs->setText(newText);
  29     }
  30
  31     // add options only if the option list is non-empty
  32     if (!allOptions.isEmpty())
  33     {
  34         xsldbgOptions->insertStringList(allOptions);
  35     }
  36     else
  37     {
  38         delete xsldbgOptionsPage;
  39         xsldbgOptionsPage = 0;
  40     }
  41
  42     initEnvList();
  43 }
  44
  45 PgmArgs::~PgmArgs()
  46 {
  47 }
  48
  49 // initializes the selected options
  50 void PgmArgs::setOptions(const QStringList& selectedOptions)
  51 {
  52     QStringList::ConstIterator it;
  53     for (it = selectedOptions.begin(); it != selectedOptions.end(); ++it) {
  54         for (uint i = 0; i < xsldbgOptions->count(); i++) {
  55             if (xsldbgOptions->text(i) == *it) {
  56                 xsldbgOptions->setSelected(i, true);
  57                 break;
  58             }
  59         }
  60     }
  61 }
  62
  63 // returns the selected options
  64 QStringList PgmArgs::options() const
  65 {
  66     QStringList sel;
  67     if (xsldbgOptionsPage != 0)
  68     {
  69         for (uint i = 0; i < xsldbgOptions->count(); i++) {
  70             if (xsldbgOptions->isSelected(i))
  71                 sel.append(xsldbgOptions->text(i));
  72         }
  73     }
  74     return sel;
  75 }
  76
  77 // this is a slot
  78 void PgmArgs::modifyVar()
  79 {
  80     modifyVar(true);    // re-add deleted entries
  81 }
  82
  83 void PgmArgs::modifyVar(bool resurrect)
  84 {
  85     QString name, value;
  86     parseEnvInput(name, value);
  87     if (name.isEmpty() || name.find(' ') >= 0)  /* disallow spaces in names */
  88         return;
  89
  90     // lookup the value in the dictionary
  91     EnvVar* val = m_envVars[name];
  92     if (val != 0) {
  93         // see if this is a zombie
  94         if (val->status == EnvVar::EVdeleted) {
  95             // resurrect
  96             if (resurrect)
  97             {
  98                 val->value = value;
  99                 val->status = EnvVar::EVdirty;
 100                 val->item = new QListViewItem(envList, name, value);    // inserts itself
 101                 m_envVars.insert(name, val);
 102             }
 103         } else if (value != val->value) {
 104             // change the value
 105             val->value = value;
 106             val->status = EnvVar::EVdirty;
 107             val->item->setText(1, value);
 108         }
 109     } else {
 110         // add the value
 111         val = new EnvVar;
 112         val->value = value;
 113         val->status = EnvVar::EVnew;
 114         val->item = new QListViewItem(envList, name, value);    // inserts itself
 115         m_envVars.insert(name, val);
 116     }
 117     envList->setSelected(val->item, true);
 118     buttonDelete->setEnabled(true);
 119 }
 120
 121 // delete the selected item
 122 void PgmArgs::deleteVar()
 123 {
 124     QListViewItem* item = envList->selectedItem();
 125     if (item == 0)
 126         return;
 127     QString name = item->text(0);
 128
 129     // lookup the value in the dictionary
 130     EnvVar* val = m_envVars[name];
 131     if (val != 0)
 132     {
 133         // delete from list
 134         val->item = 0;
 135         // if this is a new item, delete it completely, otherwise zombie-ize it
 136         if (val->status == EnvVar::EVnew) {
 137             m_envVars.remove(name);
 138             delete val;
 139         } else {
 140             // mark value deleted
 141             val->status = EnvVar::EVdeleted;
 142         }
 143     }
 144     delete item;
 145     // there is no selected item anymore
 146     buttonDelete->setEnabled(false);
 147 }
 148
 149 void PgmArgs::parseEnvInput(QString& name, QString& value)
 150 {
 151     // parse input from edit field
 152     QString input = envVar->text();
 153     int equalSign = input.find('=');
 154     if (equalSign >= 0) {
 155         name = input.left(equalSign).stripWhiteSpace();
 156         value = input.mid(equalSign+1);
 157     } else {
 158         name = input.stripWhiteSpace();
 159         value = QString();              /* value is empty */
 160     }
 161 }
 162
 163 void PgmArgs::initEnvList()
 164 {
 165     QDictIterator<EnvVar> it = m_envVars;
 166     EnvVar* val;
 167     QString name;
 168     for (; (val = it) != 0; ++it) {
 169         val->status = EnvVar::EVclean;
 170         name = it.currentKey();
 171         val->item = new QListViewItem(envList, name, val->value);       // inserts itself
 172     }
 173
 174     envList->setAllColumnsShowFocus(true);
 175     buttonDelete->setEnabled(envList->selectedItem() != 0);
 176 }
 177
 178 void PgmArgs::envListCurrentChanged()
 179 {
 180     QListViewItem* item = envList->selectedItem();
 181     buttonDelete->setEnabled(item != 0);
 182     if (item == 0)
 183         return;
 184
 185     // must get name from list box
 186     QString name = item->text(0);
 187     EnvVar* val = m_envVars[name];
 188     ASSERT(val != 0);
 189     if (val != 0) {
 190         envVar->setText(name + "=" + val->value);
 191     } else {
 192         envVar->setText(name);
 193     }
 194 }
 195
 196 void PgmArgs::accept()
 197 {
 198     // simulate that the Modify button was pressed, but don't revive
 199     // dead entries even if the user changed the edit box
 200     modifyVar(false);
 201     QDialog::accept();
 202 }
 203
 204 void PgmArgs::browseWd()
 205 {
 206     // browse for the working directory
 207     QString newDir = KFileDialog::getExistingDirectory(wd(), this);
 208     if (!newDir.isEmpty()) {
 209         setWd(newDir);
 210     }
 211 }
 212
 213 void PgmArgs::browseArgs()
 214 {
 215     QString caption = i18n("Select a file name to insert as program argument");
 216
 217     // use the selection as default
 218     QString f = programArgs->markedText();
 219     f = KFileDialog::getSaveFileName(f, QString::null,
 220                                      this, caption);
 221     // don't clear the selection of no file was selected
 222     if (!f.isEmpty()) {
 223         programArgs->insert(f);
 224     }
 225 }
 226
 227 void PgmArgs::invokeHelp()
 228 {
 229     kapp->invokeHTMLHelp("kdbg/argspwdenv.html");
 230 }
 231
 232 #include "pgmargs.moc"