kdbg/pgmargs.cpp

   1 /*
   2  * Copyright Johannes Sixt
   3  * This file is licensed under the GNU General Public License Version 2.
   4  * See the file COPYING in the toplevel directory of the source directory.
   5  */
   6
   7 #include "pgmargs.h"
   8 #include <qlabel.h>
   9 #include <qpushbutton.h>
  10 #include <qlistview.h>
  11 #include <qlistbox.h>
  12 #include <qtabwidget.h>
  13 #include <kapplication.h>
  14 #include <kfiledialog.h>
  15 #include <klocale.h>                    /* i18n */
  16 #include "config.h"
  17 #include "mydebug.h"
  18
  19 PgmArgs::PgmArgs(QWidget* parent, const QString& pgm, QDict<EnvVar>& envVars,
  20                  const QStringList& allOptions) :
  21         PgmArgsBase(parent, "pgmargs", true),
  22         m_envVars(envVars)
  23 {
  24     m_envVars.setAutoDelete(false);
  25
  26     {
  27         QFileInfo fi = pgm;
  28         QString newText = labelArgs->text().arg(fi.fileName());
  29         labelArgs->setText(newText);
  30     }
  31
  32     // add options only if the option list is non-empty
  33     if (!allOptions.isEmpty())
  34     {
  35         xsldbgOptions->insertStringList(allOptions);
  36     }
  37     else
  38     {
  39         delete xsldbgOptionsPage;
  40         xsldbgOptionsPage = 0;
  41     }
  42
  43     initEnvList();
  44 }
  45
  46 PgmArgs::~PgmArgs()
  47 {
  48 }
  49
  50 // initializes the selected options
  51 void PgmArgs::setOptions(const QStringList& selectedOptions)
  52 {
  53     QStringList::ConstIterator it;
  54     for (it = selectedOptions.begin(); it != selectedOptions.end(); ++it) {
  55         for (uint i = 0; i < xsldbgOptions->count(); i++) {
  56             if (xsldbgOptions->text(i) == *it) {
  57                 xsldbgOptions->setSelected(i, true);
  58                 break;
  59             }
  60         }
  61     }
  62 }
  63
  64 // returns the selected options
  65 QStringList PgmArgs::options() const
  66 {
  67     QStringList sel;
  68     if (xsldbgOptionsPage != 0)
  69     {
  70         for (uint i = 0; i < xsldbgOptions->count(); i++) {
  71             if (xsldbgOptions->isSelected(i))
  72                 sel.append(xsldbgOptions->text(i));
  73         }
  74     }
  75     return sel;
  76 }
  77
  78 // this is a slot
  79 void PgmArgs::modifyVar()
  80 {
  81     modifyVar(true);    // re-add deleted entries
  82 }
  83
  84 void PgmArgs::modifyVar(bool resurrect)
  85 {
  86     QString name, value;
  87     parseEnvInput(name, value);
  88     if (name.isEmpty() || name.find(' ') >= 0)  /* disallow spaces in names */
  89         return;
  90
  91     // lookup the value in the dictionary
  92     EnvVar* val = m_envVars[name];
  93     if (val != 0) {
  94         // see if this is a zombie
  95         if (val->status == EnvVar::EVdeleted) {
  96             // resurrect
  97             if (resurrect)
  98             {
  99                 val->value = value;
 100                 val->status = EnvVar::EVdirty;
 101                 val->item = new QListViewItem(envList, name, value);    // inserts itself
 102                 m_envVars.insert(name, val);
 103             }
 104         } else if (value != val->value) {
 105             // change the value
 106             val->value = value;
 107             val->status = EnvVar::EVdirty;
 108             val->item->setText(1, value);
 109         }
 110     } else {
 111         // add the value
 112         val = new EnvVar;
 113         val->value = value;
 114         val->status = EnvVar::EVnew;
 115         val->item = new QListViewItem(envList, name, value);    // inserts itself
 116         m_envVars.insert(name, val);
 117     }
 118     envList->setSelected(val->item, true);
 119     buttonDelete->setEnabled(true);
 120 }
 121
 122 // delete the selected item
 123 void PgmArgs::deleteVar()
 124 {
 125     QListViewItem* item = envList->selectedItem();
 126     if (item == 0)
 127         return;
 128     QString name = item->text(0);
 129
 130     // lookup the value in the dictionary
 131     EnvVar* val = m_envVars[name];
 132     if (val != 0)
 133     {
 134         // delete from list
 135         val->item = 0;
 136         // if this is a new item, delete it completely, otherwise zombie-ize it
 137         if (val->status == EnvVar::EVnew) {
 138             m_envVars.remove(name);
 139             delete val;
 140         } else {
 141             // mark value deleted
 142             val->status = EnvVar::EVdeleted;
 143         }
 144     }
 145     delete item;
 146     // there is no selected item anymore
 147     buttonDelete->setEnabled(false);
 148 }
 149
 150 void PgmArgs::parseEnvInput(QString& name, QString& value)
 151 {
 152     // parse input from edit field
 153     QString input = envVar->text();
 154     int equalSign = input.find('=');
 155     if (equalSign >= 0) {
 156         name = input.left(equalSign).stripWhiteSpace();
 157         value = input.mid(equalSign+1);
 158     } else {
 159         name = input.stripWhiteSpace();
 160         value = QString();              /* value is empty */
 161     }
 162 }
 163
 164 void PgmArgs::initEnvList()
 165 {
 166     QDictIterator<EnvVar> it = m_envVars;
 167     EnvVar* val;
 168     QString name;
 169     for (; (val = it) != 0; ++it) {
 170         val->status = EnvVar::EVclean;
 171         name = it.currentKey();
 172         val->item = new QListViewItem(envList, name, val->value);       // inserts itself
 173     }
 174
 175     envList->setAllColumnsShowFocus(true);
 176     buttonDelete->setEnabled(envList->selectedItem() != 0);
 177 }
 178
 179 void PgmArgs::envListCurrentChanged()
 180 {
 181     QListViewItem* item = envList->selectedItem();
 182     buttonDelete->setEnabled(item != 0);
 183     if (item == 0)
 184         return;
 185
 186     // must get name from list box
 187     QString name = item->text(0);
 188     EnvVar* val = m_envVars[name];
 189     ASSERT(val != 0);
 190     if (val != 0) {
 191         envVar->setText(name + "=" + val->value);
 192     } else {
 193         envVar->setText(name);
 194     }
 195 }
 196
 197 void PgmArgs::accept()
 198 {
 199     // simulate that the Modify button was pressed, but don't revive
 200     // dead entries even if the user changed the edit box
 201     modifyVar(false);
 202     QDialog::accept();
 203 }
 204
 205 void PgmArgs::browseWd()
 206 {
 207     // browse for the working directory
 208     QString newDir = KFileDialog::getExistingDirectory(wd(), this);
 209     if (!newDir.isEmpty()) {
 210         setWd(newDir);
 211     }
 212 }
 213
 214 void PgmArgs::browseArgFile()
 215 {
 216     QString caption = i18n("Select a file name to insert as program argument");
 217
 218     // use the selection as default
 219     QString f = programArgs->markedText();
 220     f = KFileDialog::getSaveFileName(f, QString::null,
 221                                      this, caption);
 222     // don't clear the selection if no file was selected
 223     if (!f.isEmpty()) {
 224         programArgs->insert(f);
 225     }
 226 }
 227
 228 void PgmArgs::browseArgDir()
 229 {
 230     QString caption = i18n("Select a directory to insert as program argument");
 231
 232     // use the selection as default
 233     QString f = programArgs->markedText();
 234     f = KFileDialog::getExistingDirectory(f, this, caption);
 235     // don't clear the selection if no file was selected
 236     if (!f.isEmpty()) {
 237         programArgs->insert(f);
 238     }
 239 }
 240
 241 void PgmArgs::invokeHelp()
 242 {
 243     kapp->invokeHTMLHelp("kdbg/argspwdenv.html");
 244 }
 245
 246 #include "pgmargs.moc"