kdbg/dbgmainwnd.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 <kapplication.h>
   8 #include <klocale.h>                    /* i18n */
   9 #include <kmessagebox.h>
  10 #include <kconfig.h>
  11 #include <kstatusbar.h>
  12 #include <kicon.h>
  13 #include <kstandardaction.h>
  14 #include <kstandardshortcut.h>
  15 #include <kaction.h>
  16 #include <kactioncollection.h>
  17 #include <krecentfilesaction.h>
  18 #include <ktoggleaction.h>
  19 #include <kfiledialog.h>
  20 #include <kshortcutsdialog.h>
  21 #include <kanimatedbutton.h>
  22 #include <kwindowsystem.h>
  23 #include <ksqueezedtextlabel.h>
  24 #include <ktoolbar.h>
  25 #include <kurl.h>
  26 #include <kxmlguifactory.h>
  27 #include <KPageDialog>
  28 #include <QListWidget>
  29 #include <QFile>
  30 #include <QFileInfo>
  31 #include <QList>
  32 #include <QDockWidget>
  33 #include <QProcess>
  34 #include "dbgmainwnd.h"
  35 #include "debugger.h"
  36 #include "winstack.h"
  37 #include "brkpt.h"
  38 #include "threadlist.h"
  39 #include "memwindow.h"
  40 #include "ttywnd.h"
  41 #include "watchwindow.h"
  42 #include "procattach.h"
  43 #include "prefdebugger.h"
  44 #include "prefmisc.h"
  45 #include "gdbdriver.h"
  46 #include "xsldbgdriver.h"
  47 #include "mydebug.h"
  48 #include <sys/stat.h>                   /* mknod(2) */
  49 #include <unistd.h>                     /* getpid */
  50
  51
  52 static const char defaultTermCmdStr[] = "xterm -name kdbgio -title %T -e sh -c %C";
  53 static const char defaultSourceFilter[] = "*.c *.cc *.cpp *.c++ *.C *.CC";
  54 static const char defaultHeaderFilter[] = "*.h *.hh *.hpp *.h++";
  55
  56 DebuggerMainWnd::DebuggerMainWnd() :
  57         KXmlGuiWindow(),
  58         m_debugger(0),
  59 #ifdef GDB_TRANSCRIPT
  60         m_transcriptFile(GDB_TRANSCRIPT),
  61 #endif
  62         m_outputTermCmdStr(defaultTermCmdStr),
  63         m_outputTermProc(new QProcess),
  64         m_ttyLevel(-1),                 /* no tty yet */
  65         m_popForeground(false),
  66         m_backTimeout(1000),
  67         m_tabWidth(0),
  68         m_sourceFilter(defaultSourceFilter),
  69         m_headerFilter(defaultHeaderFilter),
  70         m_statusActive(i18n("active"))
  71 {
  72     setDockNestingEnabled(true);
  73
  74     m_filesWindow = new WinStack(this);
  75     setCentralWidget(m_filesWindow);
  76
  77     QDockWidget* dw1 = createDockWidget("Stack", i18n("Stack"));
  78     m_btWindow = new QListWidget(dw1);
  79     dw1->setWidget(m_btWindow);
  80     QDockWidget* dw2 = createDockWidget("Locals", i18n("Locals"));
  81     m_localVariables = new ExprWnd(dw2, i18n("Variable"));
  82     dw2->setWidget(m_localVariables);
  83     QDockWidget* dw3 = createDockWidget("Watches", i18n("Watches"));
  84     m_watches = new WatchWindow(dw3);
  85     dw3->setWidget(m_watches);
  86     QDockWidget* dw4 = createDockWidget("Registers", i18n("Registers"));
  87     m_registers = new RegisterView(dw4);
  88     dw4->setWidget(m_registers);
  89     QDockWidget* dw5 = createDockWidget("Breakpoints", i18n("Breakpoints"));
  90     m_bpTable = new BreakpointTable(dw5);
  91     dw5->setWidget(m_bpTable);
  92     QDockWidget* dw6 = createDockWidget("Output", i18n("Output"));
  93     m_ttyWindow = new TTYWindow(dw6);
  94     dw6->setWidget(m_ttyWindow);
  95     QDockWidget* dw7 = createDockWidget("Threads", i18n("Threads"));
  96     m_threads = new ThreadList(dw7);
  97     dw7->setWidget(m_threads);
  98     QDockWidget* dw8 = createDockWidget("Memory", i18n("Memory"));
  99     m_memoryWindow = new MemoryWindow(dw8);
 100     dw8->setWidget(m_memoryWindow);
 101
 102     m_debugger = new KDebugger(this, m_localVariables, m_watches->watchVariables(), m_btWindow);
 103
 104     connect(m_debugger, SIGNAL(updateStatusMessage()), SLOT(slotNewStatusMsg()));
 105     connect(m_debugger, SIGNAL(updateUI()), SLOT(updateUI()));
 106     connect(m_debugger, SIGNAL(breakpointsChanged()), SLOT(updateLineItems()));
 107     connect(m_debugger, SIGNAL(debuggerStarting()), SLOT(slotDebuggerStarting()));
 108     m_bpTable->setDebugger(m_debugger);
 109     m_memoryWindow->setDebugger(m_debugger);
 110
 111     setStandardToolBarMenuEnabled(true);
 112     initKAction();
 113     initStatusBar();
 114
 115     connect(m_watches, SIGNAL(addWatch()), SLOT(slotAddWatch()));
 116     connect(m_watches, SIGNAL(deleteWatch()), m_debugger, SLOT(slotDeleteWatch()));
 117     connect(m_watches, SIGNAL(textDropped(const QString&)), SLOT(slotAddWatch(const QString&)));
 118
 119     connect(&m_filesWindow->m_findDlg, SIGNAL(closed()), SLOT(updateUI()));
 120     connect(m_filesWindow, SIGNAL(newFileLoaded()),
 121             SLOT(slotNewFileLoaded()));
 122     connect(m_filesWindow, SIGNAL(toggleBreak(const QString&,int,const DbgAddr&,bool)),
 123             this, SLOT(slotToggleBreak(const QString&,int,const DbgAddr&,bool)));
 124     connect(m_filesWindow, SIGNAL(enadisBreak(const QString&,int,const DbgAddr&)),
 125             this, SLOT(slotEnaDisBreak(const QString&,int,const DbgAddr&)));
 126     connect(m_debugger, SIGNAL(activateFileLine(const QString&,int,const DbgAddr&)),
 127             m_filesWindow, SLOT(activate(const QString&,int,const DbgAddr&)));
 128     connect(m_debugger, SIGNAL(executableUpdated()),
 129             m_filesWindow, SLOT(reloadAllFiles()));
 130     connect(m_debugger, SIGNAL(updatePC(const QString&,int,const DbgAddr&,int)),
 131             m_filesWindow, SLOT(updatePC(const QString&,int,const DbgAddr&,int)));
 132     // value popup communication
 133     connect(m_filesWindow, SIGNAL(initiateValuePopup(const QString&)),
 134             m_debugger, SLOT(slotValuePopup(const QString&)));
 135     connect(m_debugger, SIGNAL(valuePopup(const QString&)),
 136             m_filesWindow, SLOT(slotShowValueTip(const QString&)));
 137     // disassembling
 138     connect(m_filesWindow, SIGNAL(disassemble(const QString&, int)),
 139             m_debugger, SLOT(slotDisassemble(const QString&, int)));
 140     connect(m_debugger, SIGNAL(disassembled(const QString&,int,const std::list<DisassembledCode>&)),
 141             m_filesWindow, SLOT(slotDisassembled(const QString&,int,const std::list<DisassembledCode>&)));
 142     connect(m_filesWindow, SIGNAL(moveProgramCounter(const QString&,int,const DbgAddr&)),
 143             m_debugger, SLOT(setProgramCounter(const QString&,int,const DbgAddr&)));
 144     // program stopped
 145     connect(m_debugger, SIGNAL(programStopped()), SLOT(slotProgramStopped()));
 146     connect(&m_backTimer, SIGNAL(timeout()), SLOT(slotBackTimer()));
 147     // tab width
 148     connect(this, SIGNAL(setTabWidth(int)), m_filesWindow, SIGNAL(setTabWidth(int)));
 149
 150     // connect breakpoint table
 151     connect(m_bpTable, SIGNAL(activateFileLine(const QString&,int,const DbgAddr&)),
 152             m_filesWindow, SLOT(activate(const QString&,int,const DbgAddr&)));
 153     connect(m_debugger, SIGNAL(updateUI()), m_bpTable, SLOT(updateUI()));
 154     connect(m_debugger, SIGNAL(breakpointsChanged()), m_bpTable, SLOT(updateBreakList()));
 155     connect(m_debugger, SIGNAL(breakpointsChanged()), m_bpTable, SLOT(updateUI()));
 156
 157     connect(m_debugger, SIGNAL(registersChanged(const std::list<RegisterInfo>&)),
 158             m_registers, SLOT(updateRegisters(const std::list<RegisterInfo>&)));
 159
 160     connect(m_debugger, SIGNAL(memoryDumpChanged(const QString&, const std::list<MemoryDump>&)),
 161             m_memoryWindow, SLOT(slotNewMemoryDump(const QString&, const std::list<MemoryDump>&)));
 162     connect(m_debugger, SIGNAL(saveProgramSpecific(KConfigBase*)),
 163             m_memoryWindow, SLOT(saveProgramSpecific(KConfigBase*)));
 164     connect(m_debugger, SIGNAL(restoreProgramSpecific(KConfigBase*)),
 165             m_memoryWindow, SLOT(restoreProgramSpecific(KConfigBase*)));
 166
 167     // thread window
 168     connect(m_debugger, SIGNAL(threadsChanged(const std::list<ThreadInfo>&)),
 169             m_threads, SLOT(updateThreads(const std::list<ThreadInfo>&)));
 170     connect(m_threads, SIGNAL(setThread(int)),
 171             m_debugger, SLOT(setThread(int)));
 172
 173     // popup menu of the local variables window
 174     m_localVariables->setContextMenuPolicy(Qt::CustomContextMenu);
 175     connect(m_localVariables, SIGNAL(customContextMenuRequested(const QPoint&)),
 176             this, SLOT(slotLocalsPopup(const QPoint&)));
 177
 178     makeDefaultLayout();
 179     setupGUI(KXmlGuiWindow::Default, "kdbgui.rc");
 180     restoreSettings(KGlobal::config());
 181
 182     // The animation button is not part of the restored window state.
 183     // We must create it after the toolbar was loaded.
 184     initAnimation();
 185
 186     updateUI();
 187     m_bpTable->updateUI();
 188 }
 189
 190 DebuggerMainWnd::~DebuggerMainWnd()
 191 {
 192     saveSettings(KGlobal::config());
 193     // must delete m_debugger early since it references our windows
 194     delete m_debugger;
 195     m_debugger = 0;
 196
 197     delete m_memoryWindow;
 198     delete m_threads;
 199     delete m_ttyWindow;
 200     delete m_bpTable;
 201     delete m_registers;
 202     delete m_watches;
 203     delete m_localVariables;
 204     delete m_btWindow;
 205     delete m_filesWindow;
 206
 207     delete m_outputTermProc;
 208 }
 209
 210 QDockWidget* DebuggerMainWnd::createDockWidget(const char* name, const QString& title)
 211 {
 212     QDockWidget* w = new QDockWidget(title, this);
 213     w->setObjectName(name);
 214     // view menu changes when docking state changes
 215     connect(w, SIGNAL(visibilityChanged(bool)), SLOT(updateUI()));
 216     return w;
 217 }
 218
 219 QAction* DebuggerMainWnd::createAction(const QString& text, const char* icon,
 220                         int shortcut, const QObject* receiver,
 221                         const char* slot, const char* name)
 222 {
 223     KAction* a = actionCollection()->addAction(name);
 224     a->setText(text);
 225     a->setIcon(KIcon(icon));
 226     if (shortcut)
 227         a->setShortcut(KShortcut(shortcut));
 228     connect(a, SIGNAL(triggered()), receiver, slot);
 229     return a;
 230 }
 231
 232 QAction* DebuggerMainWnd::createAction(const QString& text,
 233                         int shortcut, const QObject* receiver,
 234                         const char* slot, const char* name)
 235 {
 236     KAction* a = actionCollection()->addAction(name);
 237     a->setText(text);
 238     if (shortcut)
 239         a->setShortcut(KShortcut(shortcut));
 240     connect(a, SIGNAL(triggered()), receiver, slot);
 241     return a;
 242 }
 243
 244
 245 void DebuggerMainWnd::initKAction()
 246 {
 247     // file menu
 248     KAction* open = KStandardAction::open(this, SLOT(slotFileOpen()),
 249                       actionCollection());
 250     open->setText(i18n("&Open Source..."));
 251     m_closeAction = KStandardAction::close(m_filesWindow, SLOT(slotClose()), actionCollection());
 252     m_reloadAction = createAction(i18n("&Reload Source"), "view-refresh", 0,
 253                         m_filesWindow, SLOT(slotFileReload()), "file_reload");
 254     m_fileExecAction = createAction(i18n("&Executable..."),
 255                         "document-open-executable", 0,
 256                         this, SLOT(slotFileExe()), "file_executable");
 257     m_recentExecAction = KStandardAction::openRecent(this, SLOT(slotRecentExec(const KUrl&)),
 258                       actionCollection());
 259     m_recentExecAction->setObjectName("file_executable_recent");
 260     m_recentExecAction->setText(i18n("Recent E&xecutables"));
 261     m_coreDumpAction = createAction(i18n("&Core dump..."), 0,
 262                         this, SLOT(slotFileCore()), "file_core_dump");
 263     KStandardAction::quit(kapp, SLOT(closeAllWindows()), actionCollection());
 264
 265     // settings menu
 266     m_settingsAction = createAction(i18n("This &Program..."), 0,
 267                         this, SLOT(slotFileProgSettings()), "settings_program");
 268     createAction(i18n("&Global Options..."), 0,
 269                         this, SLOT(slotFileGlobalSettings()), "settings_global");
 270     KStandardAction::keyBindings(this, SLOT(slotConfigureKeys()), actionCollection());
 271     KStandardAction::showStatusbar(this, SLOT(slotViewStatusbar()), actionCollection());
 272
 273     // view menu
 274     m_findAction = KStandardAction::find(m_filesWindow, SLOT(slotViewFind()), actionCollection());
 275     KStandardAction::findNext(m_filesWindow, SLOT(slotFindForward()), actionCollection());
 276     KStandardAction::findPrev(m_filesWindow, SLOT(slotFindBackward()), actionCollection());
 277
 278     i18n("Source &code");
 279     struct { QString text; QWidget* w; QString id; QAction** act; } dw[] = {
 280         { i18n("Stac&k"), m_btWindow, "view_stack", &m_btWindowAction },
 281         { i18n("&Locals"), m_localVariables, "view_locals", &m_localVariablesAction },
 282         { i18n("&Watched expressions"), m_watches, "view_watched_expressions", &m_watchesAction },
 283         { i18n("&Registers"), m_registers, "view_registers", &m_registersAction },
 284         { i18n("&Breakpoints"), m_bpTable, "view_breakpoints", &m_bpTableAction },
 285         { i18n("T&hreads"), m_threads, "view_threads", &m_threadsAction },
 286         { i18n("&Output"), m_ttyWindow, "view_output", &m_ttyWindowAction },
 287         { i18n("&Memory"), m_memoryWindow, "view_memory", &m_memoryWindowAction }
 288     };
 289     for (unsigned i = 0; i < sizeof(dw)/sizeof(dw[0]); i++) {
 290         QDockWidget* d = dockParent(dw[i].w);
 291         *dw[i].act = new KToggleAction(dw[i].text, actionCollection());
 292         actionCollection()->addAction(dw[i].id, *dw[i].act);
 293         connect(*dw[i].act, SIGNAL(triggered()), d, SLOT(show()));
 294     }
 295
 296     // execution menu
 297     m_runAction = createAction(i18n("&Run"),
 298                         "debug-run", Qt::Key_F5,
 299                         m_debugger, SLOT(programRun()), "exec_run");
 300     connect(m_runAction, SIGNAL(triggered()), this, SLOT(intoBackground()));
 301     m_stepIntoAction = createAction(i18n("Step &into"),
 302                         "debug-step-into", Qt::Key_F8,
 303                         m_debugger, SLOT(programStep()), "exec_step_into");
 304     connect(m_stepIntoAction, SIGNAL(triggered()), this, SLOT(intoBackground()));
 305     m_stepOverAction = createAction(i18n("Step &over"),
 306                         "debug-step-over", Qt::Key_F10,
 307                         m_debugger, SLOT(programNext()), "exec_step_over");
 308     connect(m_stepOverAction, SIGNAL(triggered()), this, SLOT(intoBackground()));
 309     m_stepOutAction = createAction(i18n("Step o&ut"),
 310                         "debug-step-out", Qt::Key_F6,
 311                         m_debugger, SLOT(programFinish()), "exec_step_out");
 312     connect(m_stepOutAction, SIGNAL(triggered()), this, SLOT(intoBackground()));
 313     m_toCursorAction = createAction(i18n("Run to &cursor"),
 314                         "debug-execute-to-cursor", Qt::Key_F7,
 315                         this, SLOT(slotExecUntil()), "exec_run_to_cursor");
 316     connect(m_toCursorAction, SIGNAL(triggered()), this, SLOT(intoBackground()));
 317     m_stepIntoIAction = createAction(i18n("Step i&nto by instruction"),
 318                         "debug-step-into-instruction", Qt::SHIFT+Qt::Key_F8,
 319                         m_debugger, SLOT(programStepi()), "exec_step_into_by_insn");
 320     connect(m_stepIntoIAction, SIGNAL(triggered()), this, SLOT(intoBackground()));
 321     m_stepOverIAction = createAction(i18n("Step o&ver by instruction"),
 322                         "debug-step-instruction", Qt::SHIFT+Qt::Key_F10,
 323                         m_debugger, SLOT(programNexti()), "exec_step_over_by_insn");
 324     connect(m_stepOverIAction, SIGNAL(triggered()), this, SLOT(intoBackground()));
 325     m_execMovePCAction = createAction(i18n("&Program counter to current line"),
 326                         "debug-run-cursor", 0,
 327                         m_filesWindow, SLOT(slotMoveProgramCounter()), "exec_movepc");
 328     m_breakAction = createAction(i18n("&Break"), 0,
 329                         m_debugger, SLOT(programBreak()), "exec_break");
 330     m_killAction = createAction(i18n("&Kill"), 0,
 331                         m_debugger, SLOT(programKill()), "exec_kill");
 332     m_restartAction = createAction(i18n("Re&start"), 0,
 333                         m_debugger, SLOT(programRunAgain()), "exec_restart");
 334     m_attachAction = createAction(i18n("A&ttach..."), 0,
 335                         this, SLOT(slotExecAttach()), "exec_attach");
 336     m_detachAction = createAction(i18n("&Detach"), 0,
 337                         m_debugger, SLOT(programDetach()), "exec_detach");
 338     m_argumentsAction = createAction(i18n("&Arguments..."), 0,
 339                         this, SLOT(slotExecArgs()), "exec_arguments");
 340
 341     // breakpoint menu
 342     m_bpSetAction = createAction(i18n("Set/Clear &breakpoint"), "brkpt", Qt::Key_F9,
 343                         m_filesWindow, SLOT(slotBrkptSet()), "breakpoint_set");
 344     m_bpSetTempAction = createAction(i18n("Set &temporary breakpoint"), Qt::SHIFT+Qt::Key_F9,
 345                         m_filesWindow, SLOT(slotBrkptSetTemp()), "breakpoint_set_temporary");
 346     m_bpEnableAction = createAction(i18n("&Enable/Disable breakpoint"), Qt::CTRL+Qt::Key_F9,
 347                         m_filesWindow, SLOT(slotBrkptEnable()), "breakpoint_enable");
 348
 349     // only in popup menus
 350     createAction(i18n("Watch Expression"), 0,
 351                         this, SLOT(slotLocalsToWatch()), "watch_expression");
 352     m_editValueAction = createAction(i18n("Edit Value"), Qt::Key_F2,
 353                         this, SLOT(slotEditValue()), "edit_value");
 354
 355     // all actions force an UI update
 356     QList<QAction*> actions = actionCollection()->actions();
 357     foreach(QAction* action, actions) {
 358         connect(action, SIGNAL(triggered()), this, SLOT(updateUI()));
 359     }
 360 }
 361
 362 void DebuggerMainWnd::initAnimation()
 363 {
 364     KToolBar* toolbar = toolBar("mainToolBar");
 365     m_animation = new KAnimatedButton(toolbar);
 366     toolbar->addWidget(m_animation);
 367     m_animation->setIcons("pulse");
 368     connect(m_animation, SIGNAL(clicked(bool)), m_debugger, SLOT(programBreak()));
 369     m_animRunning = false;
 370 }
 371
 372 void DebuggerMainWnd::initStatusBar()
 373 {
 374     KStatusBar* statusbar = statusBar();
 375     m_statusActiveLabel = new KSqueezedTextLabel(statusbar);
 376     m_statusActiveLabel->setAlignment(Qt::AlignHCenter | Qt::AlignVCenter);
 377     statusbar->addPermanentWidget(m_statusActiveLabel);
 378     m_statusActiveLabel->show();
 379     m_lastActiveStatusText = m_statusActive;
 380
 381     /* message pane */
 382     m_statusMsgLabel = new KSqueezedTextLabel(statusbar);
 383     m_statusMsgLabel->setAlignment(Qt::AlignHCenter | Qt::AlignVCenter);
 384     statusbar->addPermanentWidget(m_statusMsgLabel);
 385     m_statusMsgLabel->show();
 386
 387     // reserve some translations
 388     i18n("Restart");
 389     i18n("Core dump");
 390 }
 391
 392 bool DebuggerMainWnd::queryClose()
 393 {
 394     if (m_debugger != 0) {
 395         m_debugger->shutdown();
 396     }
 397     return true;
 398 }
 399
 400
 401 // instance properties
 402 void DebuggerMainWnd::saveProperties(KConfigGroup& cg)
 403 {
 404     // session management
 405     QString executable = "";
 406     if (m_debugger != 0) {
 407         executable = m_debugger->executable();
 408     }
 409     cg.writeEntry("executable", executable);
 410 }
 411
 412 void DebuggerMainWnd::readProperties(const KConfigGroup& cg)
 413 {
 414     // session management
 415     QString execName = cg.readEntry("executable");
 416
 417     TRACE("readProperties: executable=" + execName);
 418     if (!execName.isEmpty()) {
 419         debugProgram(execName, "");
 420     }
 421 }
 422
 423 static const char RecentExecutables[] = "RecentExecutables";
 424 static const char LastSession[] = "LastSession";
 425 static const char OutputWindowGroup[] = "OutputWindow";
 426 static const char TermCmdStr[] = "TermCmdStr";
 427 static const char KeepScript[] = "KeepScript";
 428 static const char DebuggerGroup[] = "Debugger";
 429 static const char DebuggerCmdStr[] = "DebuggerCmdStr";
 430 static const char PreferencesGroup[] = "Preferences";
 431 static const char PopForeground[] = "PopForeground";
 432 static const char BackTimeout[] = "BackTimeout";
 433 static const char TabWidth[] = "TabWidth";
 434 static const char SourceFileFilter[] = "SourceFileFilter";
 435 static const char HeaderFileFilter[] = "HeaderFileFilter";
 436
 437 void DebuggerMainWnd::saveSettings(KSharedConfigPtr config)
 438 {
 439     m_recentExecAction->saveEntries(config->group(RecentExecutables));
 440
 441     KConfigGroup lg = config->group(LastSession);
 442     lg.writeEntry("Width0Locals", m_localVariables->columnWidth(0));
 443     lg.writeEntry("Width0Watches", m_watches->columnWidth(0));
 444
 445     if (m_debugger != 0) {
 446         m_debugger->saveSettings(config.data());
 447     }
 448
 449     config->group(OutputWindowGroup).writeEntry(TermCmdStr, m_outputTermCmdStr);
 450     config->group(DebuggerGroup).writeEntry(DebuggerCmdStr, m_debuggerCmdStr);
 451
 452     KConfigGroup pg(config->group(PreferencesGroup));
 453     pg.writeEntry(PopForeground, m_popForeground);
 454     pg.writeEntry(BackTimeout, m_backTimeout);
 455     pg.writeEntry(TabWidth, m_tabWidth);
 456     pg.writeEntry(SourceFileFilter, m_sourceFilter);
 457     pg.writeEntry(HeaderFileFilter, m_headerFilter);
 458 }
 459
 460 void DebuggerMainWnd::restoreSettings(KSharedConfigPtr config)
 461 {
 462     m_recentExecAction->loadEntries(config->group(RecentExecutables));
 463
 464     KConfigGroup lg = config->group(LastSession);
 465     int w;
 466     w = lg.readEntry("Width0Locals", -1);
 467     if (w >= 0 && w < 30000)
 468         m_localVariables->setColumnWidth(0, w);
 469     w = lg.readEntry("Width0Watches", -1);
 470     if (w >= 0 && w < 30000)
 471         m_watches->setColumnWidth(0, w);
 472
 473     if (m_debugger != 0) {
 474         m_debugger->restoreSettings(config.data());
 475     }
 476
 477     KConfigGroup og(config->group(OutputWindowGroup));
 478     /*
 479      * For debugging and emergency purposes, let the config file override
 480      * the shell script that is used to keep the output window open. This
 481      * string must have EXACTLY 1 %s sequence in it.
 482      */
 483     setTerminalCmd(og.readEntry(TermCmdStr, defaultTermCmdStr));
 484     m_outputTermKeepScript = og.readEntry(KeepScript);
 485
 486     setDebuggerCmdStr(config->group(DebuggerGroup).readEntry(DebuggerCmdStr));
 487
 488     KConfigGroup pg(config->group(PreferencesGroup));
 489     m_popForeground = pg.readEntry(PopForeground, false);
 490     m_backTimeout = pg.readEntry(BackTimeout, 1000);
 491     m_tabWidth = pg.readEntry(TabWidth, 0);
 492     m_sourceFilter = pg.readEntry(SourceFileFilter, m_sourceFilter);
 493     m_headerFilter = pg.readEntry(HeaderFileFilter, m_headerFilter);
 494
 495     emit setTabWidth(m_tabWidth);
 496 }
 497
 498 void DebuggerMainWnd::updateUI()
 499 {
 500     m_findAction->setChecked(m_filesWindow->m_findDlg.isVisible());
 501     m_findAction->setEnabled(m_filesWindow->hasWindows());
 502     m_bpSetAction->setEnabled(m_debugger->canChangeBreakpoints());
 503     m_bpSetTempAction->setEnabled(m_debugger->canChangeBreakpoints());
 504     m_bpEnableAction->setEnabled(m_debugger->canChangeBreakpoints());
 505     m_bpTableAction->setChecked(isDockVisible(m_bpTable));
 506     m_btWindowAction->setChecked(isDockVisible(m_btWindow));
 507     m_localVariablesAction->setChecked(isDockVisible(m_localVariables));
 508     m_watchesAction->setChecked(isDockVisible(m_watches));
 509     m_registersAction->setChecked(isDockVisible(m_registers));
 510     m_threadsAction->setChecked(isDockVisible(m_threads));
 511     m_memoryWindowAction->setChecked(isDockVisible(m_memoryWindow));
 512     m_ttyWindowAction->setChecked(isDockVisible(m_ttyWindow));
 513
 514     m_fileExecAction->setEnabled(m_debugger->isIdle());
 515     m_settingsAction->setEnabled(m_debugger->haveExecutable());
 516     m_coreDumpAction->setEnabled(m_debugger->canStart());
 517     m_closeAction->setEnabled(m_filesWindow->hasWindows());
 518     m_reloadAction->setEnabled(m_filesWindow->hasWindows());
 519     m_stepIntoAction->setEnabled(m_debugger->canSingleStep());
 520     m_stepIntoIAction->setEnabled(m_debugger->canSingleStep());
 521     m_stepOverAction->setEnabled(m_debugger->canSingleStep());
 522     m_stepOverIAction->setEnabled(m_debugger->canSingleStep());
 523     m_stepOutAction->setEnabled(m_debugger->canSingleStep());
 524     m_toCursorAction->setEnabled(m_debugger->canSingleStep());
 525     m_execMovePCAction->setEnabled(m_debugger->canSingleStep());
 526     m_restartAction->setEnabled(m_debugger->canSingleStep());
 527     m_attachAction->setEnabled(m_debugger->isReady());
 528     m_detachAction->setEnabled(m_debugger->canSingleStep());
 529     m_runAction->setEnabled(m_debugger->canStart() || m_debugger->canSingleStep());
 530     m_killAction->setEnabled(m_debugger->haveExecutable() && m_debugger->isProgramActive());
 531     m_breakAction->setEnabled(m_debugger->isProgramRunning());
 532     m_argumentsAction->setEnabled(m_debugger->haveExecutable());
 533     m_editValueAction->setEnabled(m_debugger->canSingleStep());
 534
 535     // animation
 536     if (m_debugger->isIdle()) {
 537         if (m_animRunning && m_animation) {
 538             m_animation->stop();
 539             m_animRunning = false;
 540         }
 541     } else {
 542         if (!m_animRunning && m_animation) {
 543             m_animation->start();
 544             m_animRunning = true;
 545         }
 546     }
 547
 548     // update statusbar
 549     QString newStatus;
 550     if (m_debugger->isProgramActive())
 551         newStatus = m_statusActive;
 552     if (newStatus != m_lastActiveStatusText) {
 553         m_statusActiveLabel->setText(newStatus);
 554         m_lastActiveStatusText = newStatus;
 555     }
 556 }
 557
 558 void DebuggerMainWnd::updateLineItems()
 559 {
 560     m_filesWindow->updateLineItems(m_debugger);
 561 }
 562
 563 void DebuggerMainWnd::slotAddWatch()
 564 {
 565     if (m_debugger != 0) {
 566         QString t = m_watches->watchText();
 567         m_debugger->addWatch(t);
 568     }
 569 }
 570
 571 void DebuggerMainWnd::slotAddWatch(const QString& text)
 572 {
 573     if (m_debugger != 0) {
 574         m_debugger->addWatch(text);
 575     }
 576 }
 577
 578 void DebuggerMainWnd::slotNewFileLoaded()
 579 {
 580     // updates program counter in the new file
 581     if (m_debugger != 0)
 582         m_filesWindow->updateLineItems(m_debugger);
 583 }
 584
 585 QDockWidget* DebuggerMainWnd::dockParent(QWidget* w)
 586 {
 587     while ((w = w->parentWidget()) != 0) {
 588         if (QDockWidget* dock = qobject_cast<QDockWidget*>(w))
 589             return dock;
 590     }
 591     return 0;
 592 }
 593
 594 bool DebuggerMainWnd::isDockVisible(QWidget* w)
 595 {
 596     QDockWidget* d = dockParent(w);
 597     return d != 0 && d->isVisible();
 598 }
 599
 600 void DebuggerMainWnd::makeDefaultLayout()
 601 {
 602     // +---------------+---------+
 603     // | Source        | Locals  |
 604     // |               |         |
 605     // |---------------+---------+
 606     // |Stack, Brkpts, | Watches |
 607     // |Output,...     |         |
 608     // +---------------+---------+
 609
 610     addDockWidget(Qt::RightDockWidgetArea, dockParent(m_localVariables));
 611     addDockWidget(Qt::BottomDockWidgetArea, dockParent(m_memoryWindow));
 612     splitDockWidget(dockParent(m_memoryWindow), dockParent(m_threads), Qt::Horizontal);
 613     tabifyDockWidget(dockParent(m_memoryWindow), dockParent(m_registers));
 614     tabifyDockWidget(dockParent(m_registers), dockParent(m_bpTable));
 615     tabifyDockWidget(dockParent(m_bpTable), dockParent(m_ttyWindow));
 616     tabifyDockWidget(dockParent(m_ttyWindow), dockParent(m_btWindow));
 617     tabifyDockWidget(dockParent(m_threads), dockParent(m_watches));
 618     dockParent(m_localVariables)->setVisible(true);
 619     dockParent(m_ttyWindow)->setVisible(true);
 620     dockParent(m_watches)->setVisible(true);
 621     dockParent(m_btWindow)->setVisible(true);
 622     dockParent(m_bpTable)->setVisible(true);
 623 }
 624
 625 bool DebuggerMainWnd::debugProgram(const QString& exe, const QString& lang)
 626 {
 627     // check the file name
 628     QFileInfo fi(exe);
 629
 630     bool success = fi.isFile();
 631     if (!success)
 632     {
 633         QString msg = i18n("`%1' is not a file or does not exist");
 634         KMessageBox::sorry(this, msg.arg(exe));
 635     }
 636     else
 637     {
 638         success = startDriver(fi.absoluteFilePath(), lang);
 639     }
 640
 641     if (success)
 642     {
 643         m_recentExecAction->addUrl(KUrl(fi.absoluteFilePath()));
 644
 645         // keep the directory
 646         m_lastDirectory = fi.absolutePath();
 647         m_filesWindow->setExtraDirectory(m_lastDirectory);
 648
 649         // set caption to basename part of executable
 650         QString caption = fi.fileName();
 651         setCaption(caption);
 652     }
 653     else
 654     {
 655         m_recentExecAction->removeUrl(KUrl(fi.absoluteFilePath()));
 656     }
 657
 658     return success;
 659 }
 660
 661 static const char GeneralGroup[] = "General";
 662
 663 bool DebuggerMainWnd::startDriver(const QString& executable, QString lang)
 664 {
 665     assert(m_debugger != 0);
 666
 667     TRACE(QString("trying language '%1'...").arg(lang));
 668     DebuggerDriver* driver = driverFromLang(lang);
 669
 670     if (driver == 0)
 671     {
 672         // see if there is a language in the per-program config file
 673         QString configName = m_debugger->getConfigForExe(executable);
 674         if (QFile::exists(configName))
 675         {
 676             KConfig c(configName, KConfig::SimpleConfig);
 677
 678             // Using "GDB" as default here is for backwards compatibility:
 679             // The config file exists but doesn't have an entry,
 680             // so it must have been created by an old version of KDbg
 681             // that had only the GDB driver.
 682             lang = c.group(GeneralGroup)
 683                     .readEntry(KDebugger::DriverNameEntry, "GDB");
 684
 685             TRACE(QString("...bad, trying config driver %1...").arg(lang));
 686             driver = driverFromLang(lang);
 687         }
 688
 689     }
 690     if (driver == 0)
 691     {
 692         QString name = driverNameFromFile(executable);
 693
 694         TRACE(QString("...no luck, trying %1 derived"
 695                 " from file contents").arg(name));
 696         driver = driverFromLang(name);
 697     }
 698     if (driver == 0)
 699     {
 700         // oops
 701         QString msg = i18n("Don't know how to debug language `%1'");
 702         KMessageBox::sorry(this, msg.arg(lang));
 703         return false;
 704     }
 705
 706     driver->setLogFileName(m_transcriptFile);
 707
 708     bool success = m_debugger->debugProgram(executable, driver);
 709
 710     if (!success)
 711     {
 712         delete driver;
 713
 714         QString msg = i18n("Could not start the debugger process.\n"
 715                            "Please shut down KDbg and resolve the problem.");
 716         KMessageBox::sorry(this, msg);
 717     }
 718
 719     return success;
 720 }
 721
 722 // derive driver from language
 723 DebuggerDriver* DebuggerMainWnd::driverFromLang(QString lang)
 724 {
 725     // lang is needed in all lowercase
 726     lang = lang.toLower();
 727
 728     // The following table relates languages and debugger drivers
 729     static const struct L {
 730         const char* shortest;   // abbreviated to this is still unique
 731         const char* full;       // full name of language
 732         int driver;
 733     } langs[] = {
 734         { "c",       "c++",     1 },
 735         { "f",       "fortran", 1 },
 736         { "p",       "python",  3 },
 737         { "x",       "xslt",    2 },
 738         // the following are actually driver names
 739         { "gdb",     "gdb",     1 },
 740         { "xsldbg",  "xsldbg",  2 },
 741     };
 742     const int N = sizeof(langs)/sizeof(langs[0]);
 743
 744     // lookup the language name
 745     int driverID = 0;
 746     for (int i = 0; i < N; i++)
 747     {
 748         const L& l = langs[i];
 749
 750         // shortest must match
 751         if (!lang.startsWith(l.shortest))
 752             continue;
 753
 754         // lang must not be longer than the full name, and it must match
 755         if (QString(l.full).startsWith(lang))
 756         {
 757             driverID = l.driver;
 758             break;
 759         }
 760     }
 761     DebuggerDriver* driver = 0;
 762     switch (driverID) {
 763     case 1:
 764         {
 765             GdbDriver* gdb = new GdbDriver;
 766             gdb->setDefaultInvocation(m_debuggerCmdStr);
 767             driver = gdb;
 768         }
 769         break;
 770     case 2:
 771         driver = new XsldbgDriver;
 772         break;
 773     default:
 774         // unknown language
 775         break;
 776     }
 777     return driver;
 778 }
 779
 780 /**
 781  * Try to guess the language to use from the contents of the file.
 782  */
 783 QString DebuggerMainWnd::driverNameFromFile(const QString& exe)
 784 {
 785     /* Inprecise but simple test to see if file is in XSLT language */
 786     if (exe.right(4).toLower() == ".xsl")
 787         return "XSLT";
 788
 789     return "GDB";
 790 }
 791
 792 void DebuggerMainWnd::setCoreFile(const QString& corefile)
 793 {
 794     assert(m_debugger != 0);
 795     m_debugger->useCoreFile(corefile, true);
 796 }
 797
 798 void DebuggerMainWnd::setRemoteDevice(const QString& remoteDevice)
 799 {
 800     if (m_debugger != 0) {
 801         m_debugger->setRemoteDevice(remoteDevice);
 802     }
 803 }
 804
 805 void DebuggerMainWnd::overrideProgramArguments(const QString& args)
 806 {
 807     assert(m_debugger != 0);
 808     m_debugger->overrideProgramArguments(args);
 809 }
 810
 811 void DebuggerMainWnd::setTranscript(const QString& name)
 812 {
 813     m_transcriptFile = name;
 814     if (m_debugger != 0 && m_debugger->driver() != 0)
 815         m_debugger->driver()->setLogFileName(m_transcriptFile);
 816 }
 817
 818 void DebuggerMainWnd::setAttachPid(const QString& pid)
 819 {
 820     assert(m_debugger != 0);
 821     m_debugger->setAttachPid(pid);
 822 }
 823
 824 void DebuggerMainWnd::slotNewStatusMsg()
 825 {
 826     QString msg = m_debugger->statusMessage();
 827     m_statusMsgLabel->setText(msg.trimmed());
 828 }
 829
 830 void DebuggerMainWnd::slotFileGlobalSettings()
 831 {
 832     int oldTabWidth = m_tabWidth;
 833
 834     KPageDialog dlg(this);
 835     QString title = KGlobal::caption();
 836     title += i18n(": Global options");
 837     dlg.setWindowTitle(title);
 838
 839     PrefDebugger prefDebugger(&dlg);
 840     prefDebugger.setDebuggerCmd(m_debuggerCmdStr.isEmpty()  ?
 841                                 GdbDriver::defaultGdb()  :  m_debuggerCmdStr);
 842     prefDebugger.setTerminal(m_outputTermCmdStr);
 843
 844     PrefMisc prefMisc(&dlg);
 845     prefMisc.setPopIntoForeground(m_popForeground);
 846     prefMisc.setBackTimeout(m_backTimeout);
 847     prefMisc.setTabWidth(m_tabWidth);
 848     prefMisc.setSourceFilter(m_sourceFilter);
 849     prefMisc.setHeaderFilter(m_headerFilter);
 850
 851     dlg.addPage(&prefDebugger, i18n("Debugger"));
 852     dlg.addPage(&prefMisc, i18n("Miscellaneous"));
 853     if (dlg.exec() == QDialog::Accepted)
 854     {
 855         setDebuggerCmdStr(prefDebugger.debuggerCmd());
 856         setTerminalCmd(prefDebugger.terminal());
 857         m_popForeground = prefMisc.popIntoForeground();
 858         m_backTimeout = prefMisc.backTimeout();
 859         m_tabWidth = prefMisc.tabWidth();
 860         m_sourceFilter = prefMisc.sourceFilter();
 861         if (m_sourceFilter.isEmpty())
 862             m_sourceFilter = defaultSourceFilter;
 863         m_headerFilter = prefMisc.headerFilter();
 864         if (m_headerFilter.isEmpty())
 865             m_headerFilter = defaultHeaderFilter;
 866     }
 867
 868     if (m_tabWidth != oldTabWidth) {
 869         emit setTabWidth(m_tabWidth);
 870     }
 871 }
 872
 873 void DebuggerMainWnd::setTerminalCmd(const QString& cmd)
 874 {
 875     m_outputTermCmdStr = cmd;
 876     // revert to default if empty
 877     if (m_outputTermCmdStr.isEmpty()) {
 878         m_outputTermCmdStr = defaultTermCmdStr;
 879     }
 880 }
 881
 882 void DebuggerMainWnd::setDebuggerCmdStr(const QString& cmd)
 883 {
 884     m_debuggerCmdStr = cmd;
 885     // make empty if it is the default
 886     if (m_debuggerCmdStr == GdbDriver::defaultGdb()) {
 887         m_debuggerCmdStr = QString();
 888     }
 889 }
 890
 891 void DebuggerMainWnd::slotDebuggerStarting()
 892 {
 893     if (m_debugger == 0)                /* paranoia check */
 894         return;
 895
 896     if (m_ttyLevel == m_debugger->ttyLevel())
 897         return;
 898
 899     // shut down terminal emulations we will not need
 900     switch (m_ttyLevel) {
 901     case KDebugger::ttySimpleOutputOnly:
 902         m_ttyWindow->deactivate();
 903         break;
 904     case KDebugger::ttyFull:
 905         m_outputTermProc->kill();
 906         break;
 907     default: break;
 908     }
 909
 910     m_ttyLevel = m_debugger->ttyLevel();
 911
 912     QString ttyName;
 913     switch (m_ttyLevel) {
 914     case KDebugger::ttySimpleOutputOnly:
 915         ttyName = m_ttyWindow->activate();
 916         break;
 917     case KDebugger::ttyFull:
 918         // create an output window
 919         ttyName = createOutputWindow();
 920         TRACE(ttyName.isEmpty() ?
 921               "createOuputWindow failed" : "successfully created output window");
 922         break;
 923     default: break;
 924     }
 925
 926     m_debugger->setTerminal(ttyName);
 927 }
 928
 929 void DebuggerMainWnd::slotToggleBreak(const QString& fileName, int lineNo,
 930                                       const DbgAddr& address, bool temp)
 931 {
 932     // lineNo is zero-based
 933     if (m_debugger != 0) {
 934         m_debugger->setBreakpoint(fileName, lineNo, address, temp);
 935     }
 936 }
 937
 938 void DebuggerMainWnd::slotEnaDisBreak(const QString& fileName, int lineNo,
 939                                       const DbgAddr& address)
 940 {
 941     // lineNo is zero-based
 942     if (m_debugger != 0) {
 943         m_debugger->enableDisableBreakpoint(fileName, lineNo, address);
 944     }
 945 }
 946
 947 QString DebuggerMainWnd::createOutputWindow()
 948 {
 949     // create a name for a fifo
 950     QString fifoName;
 951     fifoName.sprintf("/tmp/kdbgttywin%05d", ::getpid());
 952
 953     // create a fifo that will pass in the tty name
 954     QFile::remove(fifoName);            // remove remnants
 955 #ifdef HAVE_MKFIFO
 956     if (::mkfifo(fifoName.toLocal8Bit(), S_IRUSR|S_IWUSR) < 0) {
 957         // failed
 958         TRACE("mkfifo " + fifoName + " failed");
 959         return QString();
 960     }
 961 #else
 962     if (::mknod(fifoName.toLocal8Bit(), S_IFIFO | S_IRUSR|S_IWUSR, 0) < 0) {
 963         // failed
 964         TRACE("mknod " + fifoName + " failed");
 965         return QString();
 966     }
 967 #endif
 968
 969     /*
 970      * Spawn an xterm that in turn runs a shell script that passes us
 971      * back the terminal name and then only sits and waits.
 972      */
 973     static const char shellScriptFmt[] =
 974         "tty>%s;"
 975         "trap \"\" INT QUIT TSTP;"      /* ignore various signals */
 976         "exec<&-;exec>&-;"              /* close stdin and stdout */
 977         "while :;do sleep 3600;done";
 978     // let config file override this script
 979     QString shellScript;
 980     if (!m_outputTermKeepScript.isEmpty()) {
 981         shellScript = m_outputTermKeepScript;
 982     } else {
 983         shellScript = shellScriptFmt;
 984     }
 985
 986     shellScript.replace("%s", fifoName);
 987     TRACE("output window script is " + shellScript);
 988
 989     QString title = KGlobal::caption();
 990     title += i18n(": Program output");
 991
 992     // parse the command line specified in the preferences
 993     QStringList cmdParts = m_outputTermCmdStr.split(' ');
 994
 995     /*
 996      * Build the argv array. Thereby substitute special sequences:
 997      */
 998     struct {
 999         char seq[4];
1000         QString replace;
1001     } substitute[] = {
1002         { "%T", title },
1003         { "%C", shellScript }
1004     };
1005
1006     for (QStringList::iterator i = cmdParts.begin(); i != cmdParts.end(); ++i)
1007     {
1008         QString& str = *i;
1009         for (int j = sizeof(substitute)/sizeof(substitute[0])-1; j >= 0; j--) {
1010             int pos = str.indexOf(substitute[j].seq);
1011             if (pos >= 0) {
1012                 str.replace(pos, 2, substitute[j].replace);
1013                 break;          /* substitute only one sequence */
1014             }
1015         }
1016     }
1017
1018     QString tty, pgm = cmdParts.takeFirst();
1019
1020     m_outputTermProc->start(pgm, cmdParts);
1021     if (m_outputTermProc->waitForStarted())
1022     {
1023         // read the ttyname from the fifo
1024         QFile f(fifoName);
1025         if (f.open(QIODevice::ReadOnly))
1026         {
1027             QByteArray t = f.readAll();
1028             tty = QString::fromLocal8Bit(t, t.size());
1029             f.close();
1030         }
1031         f.remove();
1032
1033         // remove whitespace
1034         tty = tty.trimmed();
1035         TRACE("tty=" + tty);
1036     }
1037     else
1038     {
1039         // error, could not start xterm
1040         TRACE("fork failed for fifo " + fifoName);
1041         QFile::remove(fifoName);
1042     }
1043
1044     return tty;
1045 }
1046
1047 void DebuggerMainWnd::slotProgramStopped()
1048 {
1049     // when the program stopped, move the window to the foreground
1050     if (m_popForeground) {
1051         // unfortunately, this requires quite some force to work :-(
1052         KWindowSystem::raiseWindow(winId());
1053         KWindowSystem::forceActiveWindow(winId());
1054     }
1055     m_backTimer.stop();
1056 }
1057
1058 void DebuggerMainWnd::intoBackground()
1059 {
1060     if (m_popForeground) {
1061         m_backTimer.setSingleShot(true);
1062         m_backTimer.start(m_backTimeout);
1063     }
1064 }
1065
1066 void DebuggerMainWnd::slotBackTimer()
1067 {
1068     lower();
1069 }
1070
1071 void DebuggerMainWnd::slotRecentExec(const KUrl& url)
1072 {
1073     QString exe = url.path();
1074     debugProgram(exe, "");
1075 }
1076
1077 QString DebuggerMainWnd::makeSourceFilter()
1078 {
1079     QString f;
1080     f = m_sourceFilter + " " + m_headerFilter + i18n("|All source files\n");
1081     f += m_sourceFilter + i18n("|Source files\n");
1082     f += m_headerFilter + i18n("|Header files\n");
1083     f += i18n("*|All files");
1084     return f;
1085 }
1086
1087 /*
1088  * Pop up the context menu in the locals window
1089  */
1090 void DebuggerMainWnd::slotLocalsPopup(const QPoint& pt)
1091 {
1092     QMenu* popup = static_cast<QMenu*>(factory()->container("popup_locals", this));
1093     if (popup == 0) {
1094         return;
1095     }
1096     if (popup->isVisible()) {
1097         popup->hide();
1098     } else {
1099         popup->popup(m_localVariables->viewport()->mapToGlobal(pt));
1100     }
1101 }
1102
1103 /*
1104  * Copies the currently selected item to the watch window.
1105  */
1106 void DebuggerMainWnd::slotLocalsToWatch()
1107 {
1108     VarTree* item = m_localVariables->selectedItem();
1109
1110     if (item != 0 && m_debugger != 0) {
1111         QString text = item->computeExpr();
1112         m_debugger->addWatch(text);
1113     }
1114 }
1115
1116 /*
1117  * Starts editing a value in a value display
1118  */
1119 void DebuggerMainWnd::slotEditValue()
1120 {
1121     // does one of the value trees have the focus
1122     QWidget* f = kapp->focusWidget();
1123     ExprWnd* wnd;
1124     if (f == m_localVariables) {
1125         wnd = m_localVariables;
1126     } else if (f == m_watches->watchVariables()) {
1127         wnd = m_watches->watchVariables();
1128     } else {
1129         return;
1130     }
1131
1132     if (m_localVariables->isEditing() ||
1133         m_watches->watchVariables()->isEditing())
1134     {
1135         return;                         /* don't edit twice */
1136     }
1137
1138     VarTree* expr = wnd->selectedItem();
1139     if (expr != 0 && m_debugger != 0 && m_debugger->canSingleStep())
1140     {
1141         TRACE("edit value");
1142         // determine the text to edit
1143         QString text = m_debugger->driver()->editableValue(expr);
1144         wnd->editValue(expr, text);
1145     }
1146 }
1147
1148 // helper that gets a file name (it only differs in the caption of the dialog)
1149 static QString myGetFileName(QString caption,
1150                              QString dir, QString filter,
1151                              QWidget* parent)
1152 {
1153     QString filename;
1154     KFileDialog dlg(dir, filter, parent);
1155
1156     dlg.setWindowTitle(caption);
1157
1158     if (dlg.exec() == QDialog::Accepted)
1159         filename = dlg.selectedFile();
1160
1161     return filename;
1162 }
1163
1164 void DebuggerMainWnd::slotFileOpen()
1165 {
1166     // start browsing in the active file's directory
1167     // fall back to last used directory (executable)
1168     QString dir = m_lastDirectory;
1169     QString fileName = m_filesWindow->activeFileName();
1170     if (!fileName.isEmpty()) {
1171         QFileInfo fi(fileName);
1172         dir = fi.path();
1173     }
1174
1175     fileName = myGetFileName(i18n("Open"),
1176                              dir,
1177                              makeSourceFilter(), this);
1178
1179     if (!fileName.isEmpty())
1180     {
1181         QFileInfo fi(fileName);
1182         m_lastDirectory = fi.path();
1183         m_filesWindow->setExtraDirectory(m_lastDirectory);
1184         m_filesWindow->activateFile(fileName);
1185     }
1186 }
1187
1188 void DebuggerMainWnd::slotFileExe()
1189 {
1190     if (m_debugger->isIdle())
1191     {
1192         // open a new executable
1193         QString executable = myGetFileName(i18n("Select the executable to debug"),
1194                                            m_lastDirectory, 0, this);
1195         if (executable.isEmpty())
1196             return;
1197
1198         debugProgram(executable, "");
1199     }
1200 }
1201
1202 void DebuggerMainWnd::slotFileCore()
1203 {
1204     if (m_debugger->canStart())
1205     {
1206         QString corefile = myGetFileName(i18n("Select core dump"),
1207                                          m_lastDirectory, 0, this);
1208         if (!corefile.isEmpty()) {
1209             m_debugger->useCoreFile(corefile, false);
1210         }
1211     }
1212 }
1213
1214 void DebuggerMainWnd::slotFileProgSettings()
1215 {
1216     if (m_debugger != 0) {
1217         m_debugger->programSettings(this);
1218     }
1219 }
1220
1221 void DebuggerMainWnd::slotViewStatusbar()
1222 {
1223     if (statusBar()->isVisible())
1224         statusBar()->hide();
1225     else
1226         statusBar()->show();
1227     setSettingsDirty();
1228 }
1229
1230 void DebuggerMainWnd::slotExecUntil()
1231 {
1232     if (m_debugger != 0)
1233     {
1234         QString file;
1235         int lineNo;
1236         if (m_filesWindow->activeLine(file, lineNo))
1237             m_debugger->runUntil(file, lineNo);
1238     }
1239 }
1240
1241 void DebuggerMainWnd::slotExecAttach()
1242 {
1243 #ifdef PS_COMMAND
1244     ProcAttachPS dlg(this);
1245     // seed filter with executable name
1246     QFileInfo fi = m_debugger->executable();
1247     dlg.setFilterText(fi.fileName());
1248 #else
1249     ProcAttach dlg(this);
1250     dlg.setText(m_debugger->attachedPid());
1251 #endif
1252     if (dlg.exec()) {
1253         m_debugger->attachProgram(dlg.text());
1254     }
1255 }
1256
1257 void DebuggerMainWnd::slotExecArgs()
1258 {
1259     if (m_debugger != 0) {
1260         m_debugger->programArgs(this);
1261     }
1262 }
1263
1264 void DebuggerMainWnd::slotConfigureKeys()
1265 {
1266     KShortcutsDialog::configure(actionCollection());
1267 }
1268
1269 #include "dbgmainwnd.moc"