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 #if QT_VERSION >= 200
   9 #include <klocale.h>                    /* i18n */
  10 #endif
  11 #include "mydebug.h"
  12
  13 PgmArgs::PgmArgs(QWidget* parent, const QString& pgm, QDict<EnvVar>& envVars) :
  14         QDialog(parent, "pgmargs", true),
  15         m_envVars(envVars),
  16         m_label(this, "label"),
  17         m_programArgs(this, "args"),
  18         m_wdLabel(this, "wd_label"),
  19         m_wd(this, "wd"),
  20         m_envLabel(this, "env_label"),
  21         m_envVar(this, "env_var"),
  22         m_envList(this, "env_list"),
  23         m_buttonOK(this, "ok"),
  24         m_buttonCancel(this, "cancel"),
  25         m_buttonModify(this, "modify"),
  26         m_buttonDelete(this, "delete"),
  27         m_layout(this, 8),
  28         m_edits(8),
  29         m_buttons(8)
  30 {
  31     m_envVars.setAutoDelete(false);
  32
  33     QString title = kapp->getCaption();
  34     title += i18n(": Program arguments");
  35     setCaption(title);
  36
  37     QString fmt = i18n("Run %s with these arguments:");
  38 #if QT_VERSION < 200
  39     QString lab(fmt.length() + pgm.length());
  40 #else
  41     QString lab;
  42 #endif
  43     lab.sprintf(fmt, pgm.data());
  44     m_label.setText(lab);
  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_wdLabel.setText(i18n("Working directory:"));
  56     s = m_wdLabel.sizeHint();
  57     m_wdLabel.setMinimumSize(s);
  58     int btnSpace = s.height();
  59
  60     s = m_wd.sizeHint();
  61     m_wd.setMinimumSize(s);
  62     m_wd.setMaxLength(10000);
  63     btnSpace += s.height();
  64
  65     m_envLabel.setText(i18n("Environment variables (NAME=value):"));
  66     s = m_envLabel.sizeHint();
  67     m_envLabel.setMinimumSize(s);
  68
  69     s = m_envVar.sizeHint();
  70     m_envVar.setMinimumSize(s);
  71     m_envVar.setMaxLength(10000);
  72
  73     m_envList.setMinimumSize(330, 40);
  74     m_envList.addColumn(i18n("Name"), 100);
  75     m_envList.addColumn(i18n("Value"), 260);
  76     /* work around a non-feature of KTabListBox: */
  77     m_envList.setFocusPolicy(QWidget::StrongFocus);
  78     connect(&m_envList, SIGNAL(currentChanged(QListViewItem*)),
  79             SLOT(envListCurrentChanged(QListViewItem*)));
  80     initEnvList();
  81
  82     m_buttonOK.setText(i18n("OK"));
  83     m_buttonOK.setDefault(true);
  84     s = m_buttonOK.sizeHint();
  85     m_buttonOK.setMinimumSize(s);
  86     connect(&m_buttonOK, SIGNAL(clicked()), SLOT(accept()));
  87
  88     m_buttonCancel.setText(i18n("Cancel"));
  89     s = m_buttonCancel.sizeHint();
  90     m_buttonCancel.setMinimumSize(s);
  91     connect(&m_buttonCancel, SIGNAL(clicked()), SLOT(reject()));
  92
  93     m_buttonModify.setText(i18n("&Modify"));
  94     s = m_buttonModify.sizeHint();
  95     m_buttonModify.setMinimumSize(s);
  96     connect(&m_buttonModify, SIGNAL(clicked()), SLOT(modifyVar()));
  97
  98     m_buttonDelete.setText(i18n("&Delete"));
  99     s = m_buttonDelete.sizeHint();
 100     m_buttonDelete.setMinimumSize(s);
 101     connect(&m_buttonDelete, SIGNAL(clicked()), SLOT(deleteVar()));
 102
 103     m_layout.addLayout(&m_edits, 10);
 104     m_layout.addLayout(&m_buttons);
 105     m_edits.addWidget(&m_label);
 106     m_edits.addWidget(&m_programArgs);
 107     m_edits.addWidget(&m_wdLabel);
 108     m_edits.addWidget(&m_wd);
 109     m_edits.addWidget(&m_envLabel);
 110     m_edits.addWidget(&m_envVar);
 111     m_edits.addWidget(&m_envList, 10);
 112     m_buttons.addWidget(&m_buttonOK);
 113     m_buttons.addWidget(&m_buttonCancel);
 114     m_buttons.addSpacing(btnSpace + 2*m_edits.defaultBorder());
 115     m_buttons.addWidget(&m_buttonModify);
 116     m_buttons.addWidget(&m_buttonDelete);
 117     m_buttons.addStretch(10);
 118
 119     m_layout.activate();
 120
 121     m_programArgs.setFocus();
 122     resize(300, 300);
 123 }
 124
 125 PgmArgs::~PgmArgs()
 126 {
 127 }
 128
 129 void PgmArgs::modifyVar()
 130 {
 131     QString name, value;
 132     parseEnvInput(name, value);
 133     if (name.isEmpty() || name.find(' ') >= 0)  /* disallow spaces in names */
 134         return;
 135
 136     // lookup the value in the dictionary
 137     EnvVar* val = m_envVars[name];
 138     if (val != 0) {
 139         // see if this is a zombie
 140         if (val->status == EnvVar::EVdeleted) {
 141             // resurrect
 142             val->value = value;
 143             val->status = EnvVar::EVdirty;
 144             val->item = new QListViewItem(&m_envList, name, value);     // inserts itself
 145             m_envVars.insert(name, val);
 146         } else if (value != val->value) {
 147             // change the value
 148             val->value = value;
 149             val->status = EnvVar::EVdirty;
 150             val->item->setText(1, value);
 151         }
 152     } else {
 153         // add the value
 154         val = new EnvVar;
 155         val->value = value;
 156         val->status = EnvVar::EVnew;
 157         val->item = new QListViewItem(&m_envList, name, value); // inserts itself
 158         m_envVars.insert(name, val);
 159     }
 160 }
 161
 162 void PgmArgs::deleteVar()
 163 {
 164     QString name, value;
 165     parseEnvInput(name, value);
 166
 167     // lookup the value in the dictionary
 168     EnvVar* val = m_envVars[name];
 169     if (val == 0)
 170         return;
 171
 172     // delete from list
 173     QListViewItem* item = val->item;
 174     val->item = 0;
 175     delete item;
 176     // if this is a new item, delete it completely, otherwise zombie-ize it
 177     if (val->status == EnvVar::EVnew) {
 178         m_envVars.remove(name);
 179         delete val;
 180     } else {
 181         // mark value deleted
 182         val->status = EnvVar::EVdeleted;
 183     }
 184     // clear the input
 185     m_envVar.setText("");
 186 }
 187
 188 void PgmArgs::parseEnvInput(QString& name, QString& value)
 189 {
 190     // parse input from edit field
 191     QString input = m_envVar.text();
 192     int equalSign = input.find('=');
 193     if (equalSign >= 0) {
 194         name = input.left(equalSign).stripWhiteSpace();
 195 #if QT_VERSION < 200
 196         value = input.mid(equalSign+1,input.length());
 197 #else
 198         value = input.mid(equalSign+1);
 199 #endif
 200     } else {
 201         name = input.stripWhiteSpace();
 202         value = QString();              /* value is empty */
 203     }
 204 }
 205
 206 void PgmArgs::initEnvList()
 207 {
 208     QDictIterator<EnvVar> it = m_envVars;
 209     EnvVar* val;
 210     QString name;
 211     for (; (val = it) != 0; ++it) {
 212         val->status = EnvVar::EVclean;
 213         name = it.currentKey();
 214         val->item = new QListViewItem(&m_envList, name, val->value);    // inserts itself
 215     }
 216 }
 217
 218 void PgmArgs::envListCurrentChanged(QListViewItem* item)
 219 {
 220     if (item == 0)
 221         return;
 222
 223     // must get name from list box
 224     QString name = item->text(0);
 225     EnvVar* val = m_envVars[name];
 226     ASSERT(val != 0);
 227     if (val != 0) {
 228         m_envVar.setText(name + "=" + val->value);
 229     } else {
 230         m_envVar.setText(name);
 231     }
 232 }
 233
 234 void PgmArgs::accept()
 235 {
 236     modifyVar();
 237     QDialog::accept();
 238 }
 239
 240 #include "pgmargs.moc"