kdbg/exprwnd.cpp

   1 // $Id$
   2
   3 // Copyright by Johannes Sixt
   4 // This file is under GPL, the GNU General Public Licence
   5
   6 #include "exprwnd.h"
   7 #include "exprwnd.moc"
   8 #include "typetable.h"
   9 #include <qstrlist.h>
  10 #include <qpainter.h>
  11 #include <qscrollbar.h>
  12 #include <kapp.h>
  13 #include <kiconloader.h>                /* icons */
  14 #ifdef HAVE_CONFIG_H
  15 #include "config.h"
  16 #endif
  17 #include "mydebug.h"
  18
  19 VarTree::VarTree(const QString& name, NameKind aKind) :
  20         KTreeViewItem(name),
  21         m_varKind(VKsimple),
  22         m_nameKind(aKind),
  23         m_valueChanged(false),
  24         m_type(0),
  25         m_exprIndex(0),
  26         m_exprIndexUseGuard(false)
  27 {
  28 }
  29
  30 VarTree::~VarTree()
  31 {
  32 }
  33
  34 void VarTree::paintValue(QPainter* p)
  35 {
  36     p->save();
  37     int cellHeight = height(p->fontMetrics());
  38     int textX = 2;
  39     int textY = (cellHeight - p->fontMetrics().height()) / 2 +
  40         p->fontMetrics().ascent();
  41
  42     if (m_valueChanged) {
  43         p->setPen(red);
  44     }
  45 //    p->setBackgroundColor(cg.base());
  46     p->drawText(textX, textY, m_value, m_value.length());
  47     p->restore();
  48 }
  49
  50 int VarTree::valueWidth()
  51 {
  52     assert(owner != 0);
  53     return owner->fontMetrics().width(m_value) + 4;
  54 }
  55
  56 QString VarTree::computeExpr() const
  57 {
  58     assert(getParent() != 0);
  59     // just to be sure
  60     if (getParent() == 0)
  61         return QString();
  62
  63     // top-level items are special
  64     if (getParent()->getParent() == 0)
  65         return getText();
  66
  67     // get parent expr
  68     VarTree* par = static_cast<VarTree*>(getParent());
  69     QString parentExpr = par->computeExpr();
  70
  71     /* don't add this item's name if this is a base class sub-item */
  72     if (m_nameKind == NKtype) {
  73         return parentExpr;
  74     }
  75     /* augment by this item's text */
  76     QString result;
  77     /* if this is an address, dereference it */
  78     if (m_nameKind == NKaddress) {
  79         ASSERT(par->m_varKind == VKpointer);
  80         result = "*" + parentExpr;
  81         return result;
  82     }
  83     switch (par->m_varKind) {
  84     case VKarray:
  85         {
  86             QString index = getText();
  87             int i = 1;
  88             // skip past the index
  89             while (index[i].isDigit())
  90                 i++;
  91             /*
  92              * Some array indices are actually ranges due to repeated array
  93              * values. We use the first index in these cases.
  94              */
  95             if (index[i] != ']') {
  96                 // remove second index
  97                 index.remove(i, index.length()-i-1);
  98             }
  99             result = "(" + parentExpr + ")" + index;
 100         }
 101         break;
 102     case VKstruct:
 103         result = "(" + parentExpr + ")." + getText();
 104         break;
 105     case VKsimple:                      /* parent can't be simple */
 106     case VKpointer:                     /* handled in NKaddress */
 107     case VKdummy:                       /* can't occur at all */
 108         ASSERT(false);
 109         result = parentExpr;            /* paranoia */
 110         break;
 111     }
 112     return result;
 113 }
 114
 115 bool VarTree::isToplevelExpr() const
 116 {
 117     return getParent() != 0 && getParent()->getParent() == 0;
 118 }
 119
 120 bool VarTree::isAncestorEq(const VarTree* child) const
 121 {
 122     const KTreeViewItem* c = child;
 123     while (c != 0 && c != this) {
 124         c = c->getParent();
 125     }
 126     return c != 0;
 127 }
 128
 129 bool VarTree::updateValue(const QString& newValue)
 130 {
 131     // check whether the value changed
 132     bool prevValueChanged = m_valueChanged;
 133     m_valueChanged = false;
 134     if (m_value != newValue) {
 135         m_value = newValue;
 136         m_valueChanged = true;
 137     }
 138     /*
 139      * We must repaint the cell if the value changed. If it did not change,
 140      * we still must repaint the cell if the value changed previously,
 141      * because the color of the display must be changed (from red to
 142      * black).
 143      */
 144     return m_valueChanged || prevValueChanged;
 145 }
 146
 147 void VarTree::inferTypesOfChildren(ProgramTypeTable& typeTable)
 148 {
 149     /*
 150      * Type inference works like this: We use type information of those
 151      * children that have a type name in their name (base classes) or in
 152      * their value (pointers)
 153      */
 154
 155     // first recurse children
 156     VarTree* child = static_cast<VarTree*>(getChild());
 157     while (child != 0) {
 158         child->inferTypesOfChildren(typeTable);
 159         child = static_cast<VarTree*>(child->getSibling());
 160     }
 161
 162     // if this is a pointer, get the type from the value (less the pointer)
 163     if (m_varKind == VKpointer) {
 164 #ifndef I_know_a_way_to_do_this_cleanly
 165         return;
 166 #else
 167         const char* p = m_value.data();
 168         const char* start = p;
 169         // the type of the pointer shows up in the value (sometimes)
 170         if (p == 0 || *p != '(')
 171             return;
 172         skipNested(p, '(', ')');
 173         /*
 174          * We only recognize pointers to data "(int *)" but not pointers
 175          * to functions "(void (*)())".
 176          */
 177         if (p-start < 3 &&              /* at least 3 chars necessary: (*) */
 178             p[-2] != '*')               /* skip back before the closing paren */
 179         {
 180             return;
 181         }
 182         const QString& typeName =
 183             QString::fromLatin1(start+1, p-start-3) // minus 3 chars
 184                 .stripWhiteSpace();
 185         m_type = typeTable.lookup(typeName);
 186         if (m_type == 0) {
 187             m_type = TypeInfo::unknownType();
 188         }
 189 #endif
 190     } else if (m_varKind == VKstruct) {
 191         // check if this is a base class part
 192         if (m_nameKind == NKtype) {
 193             const QString& typeName =
 194                 text.mid(1, text.length()-2); // strip < and >
 195             m_type = typeTable.lookup(typeName);
 196
 197             /* if we don't have a type yet, get it from the base class */
 198             if (m_type == 0) {
 199                 m_type = inferTypeFromBaseClass();
 200                 /*
 201                  * If there is a known type now, it is the one from the
 202                  * first base class whose type we know.
 203                  */
 204             }
 205
 206             /*
 207              * If we still don't have a type, the type is really unknown.
 208              */
 209             if (m_type == 0) {
 210                 m_type = TypeInfo::unknownType();
 211             }
 212         } // else
 213             /*
 214              * This is not a base class part. We don't assign a type so
 215              * that later we can ask gdb.
 216              */
 217     }
 218 }
 219
 220 /*
 221  * Get the type of the first base class whose type we know.
 222  */
 223 TypeInfo* VarTree::inferTypeFromBaseClass()
 224 {
 225     if (m_varKind == VKstruct) {
 226         VarTree* child = static_cast<VarTree*>(getChild());
 227         while (child != 0 &&
 228                // only check base class parts (i.e. type names)
 229                child->m_nameKind == NKtype)
 230         {
 231             if (child->m_type != 0 &&
 232                 child->m_type != TypeInfo::unknownType())
 233             {
 234                 // got a type!
 235                 return child->m_type;
 236             }
 237             child = static_cast<VarTree*>(child->getSibling());
 238         }
 239     }
 240     return 0;
 241 }
 242
 243
 244 ExprWnd::ExprWnd(QWidget* parent, const char* name) :
 245         KTreeView(parent, name),
 246         maxValueWidth(0),
 247         m_edit(this)
 248 {
 249     setNumCols(2);
 250
 251     connect(this, SIGNAL(expanded(int)), SLOT(slotExpandOrCollapse(int)));
 252     connect(this, SIGNAL(collapsed(int)), SLOT(slotExpandOrCollapse(int)));
 253
 254     m_pixPointer = UserIcon("pointer.xpm");
 255     if (m_pixPointer.isNull())
 256         TRACE("Can't load pointer.xpm");
 257 }
 258
 259 ExprWnd::~ExprWnd()
 260 {
 261 }
 262
 263 void ExprWnd::exprList(QStrList& exprs)
 264 {
 265     // ASSERT(exprs does deep-copies)
 266     KTreeViewItem* item;
 267     for (item = itemAt(0); item != 0; item = item->getSibling()) {
 268         exprs.append(item->getText());
 269     }
 270 }
 271
 272 void ExprWnd::insertExpr(VarTree* expr)
 273 {
 274     // append the expression
 275     insertItem(expr);
 276
 277     collectUnknownTypes(expr);
 278
 279     updateValuesWidth();
 280 }
 281
 282 void ExprWnd::updateExpr(VarTree* expr)
 283 {
 284     // search the root variable
 285     QString p = expr->getText();
 286     KPath path;
 287     path.push(&p);
 288     KTreeViewItem* item = itemAt(path);
 289     path.pop();
 290     if (item == 0) {
 291         return;
 292     }
 293     // now update it
 294     if (updateExprRec(static_cast<VarTree*>(item), expr)) {
 295         updateVisibleItems();
 296         updateValuesWidth();
 297         repaint();
 298     }
 299     collectUnknownTypes(static_cast<VarTree*>(item));
 300 }
 301
 302 void ExprWnd::updateExpr(VarTree* display, VarTree* newValues)
 303 {
 304     if (updateExprRec(display, newValues) && display->isVisible()) {
 305         updateVisibleItems();
 306         updateValuesWidth();
 307         repaint();
 308     }
 309     collectUnknownTypes(display);
 310 }
 311
 312 /*
 313  * returns true if there's a visible change
 314  */
 315 bool ExprWnd::updateExprRec(VarTree* display, VarTree* newValues)
 316 {
 317     bool isExpanded = display->isExpanded();
 318
 319     /*
 320      * If we are updating a pointer without children by a dummy, we don't
 321      * collapse it, but simply insert the new children. This happens when a
 322      * pointer has just been expanded by the user.
 323      */
 324     if (display->m_varKind == VarTree::VKpointer &&
 325         display->childCount() == 0 &&
 326         newValues->m_varKind == VarTree::VKdummy)
 327     {
 328         replaceChildren(display, newValues);
 329         return isExpanded;              /* no visible change if not expanded */
 330     }
 331
 332     /*
 333      * If the display and newValues have different kind or if their number
 334      * of children is different, replace the whole sub-tree.
 335      */
 336     if (// the next two lines mean: not(m_varKind remains unchanged)
 337         !(newValues->m_varKind == VarTree::VKdummy ||
 338           display->m_varKind == newValues->m_varKind)
 339         ||
 340         (display->childCount() != newValues->childCount() &&
 341          /*
 342           * If this is a pointer and newValues doesn't have children, we
 343           * don't replace the sub-tree; instead, below we mark this
 344           * sub-tree for requiring an update.
 345           */
 346          (display->m_varKind != VarTree::VKpointer ||
 347           newValues->childCount() != 0)))
 348     {
 349         if (isExpanded) {
 350             collapseSubTree(display, false);
 351         }
 352
 353         // since children changed, it is likely that the type has also changed
 354         display->m_type = 0;            /* will re-evaluate the type */
 355
 356         // display the new value
 357         updateSingleExpr(display, newValues);
 358         replaceChildren(display, newValues);
 359
 360         // update the m_varKind
 361         if (newValues->m_varKind != VarTree::VKdummy) {
 362             display->m_varKind = newValues->m_varKind;
 363             display->setDelayedExpanding(newValues->m_varKind == VarTree::VKpointer);
 364         }
 365
 366         // (note that the new value might not have a sub-tree at all)
 367         return display->m_valueChanged || isExpanded;   /* no visible change if not expanded */
 368     }
 369
 370     // display the new value
 371     updateSingleExpr(display, newValues);
 372
 373     /*
 374      * If this is an expanded pointer, record it for being updated.
 375      */
 376     if (display->m_varKind == VarTree::VKpointer) {
 377         if (isExpanded &&
 378             // if newValues is a dummy, we have already updated this pointer
 379             newValues->m_varKind != VarTree::VKdummy)
 380         {
 381             m_updatePtrs.append(display);
 382         }
 383         /*
 384          * If the visible sub-tree has children, but newValues doesn't, we
 385          * can stop here.
 386          */
 387         if (newValues->childCount() == 0) {
 388             return display->m_valueChanged;
 389         }
 390     }
 391
 392     ASSERT(display->childCount() == newValues->childCount());
 393
 394     // go for children
 395     bool childChanged = false;
 396
 397     VarTree* vDisplay = static_cast<VarTree*>(display->getChild());
 398     VarTree* vNew = static_cast<VarTree*>(newValues->getChild());
 399     while (vDisplay != 0) {
 400         // check whether the names are the same
 401         if (strcmp(vDisplay->getText(), vNew->getText()) != 0) {
 402             // set new name
 403             vDisplay->setText(vNew->getText());
 404             int i = itemRow(vDisplay);
 405             if (i >= 0) {
 406                 updateCell(i, 0, true);
 407                 childChanged = true;
 408             }
 409         }
 410         // recurse
 411         if (updateExprRec(vDisplay, vNew)) {
 412             childChanged = true;
 413         }
 414         vDisplay = static_cast<VarTree*>(vDisplay->getSibling());
 415         vNew = static_cast<VarTree*>(vNew->getSibling());
 416     }
 417
 418     // update of children propagates only if this node is expanded
 419     return display->m_valueChanged || (display->isExpanded() && childChanged);
 420 }
 421
 422 void ExprWnd::updateSingleExpr(VarTree* display, VarTree* newValue)
 423 {
 424     /*
 425      * If newValues is a VKdummy, we are only interested in its children.
 426      * No need to update anything here.
 427      */
 428     if (newValue->m_varKind == VarTree::VKdummy) {
 429         return;
 430     }
 431
 432     /*
 433      * If this node is a struct and we know its type then don't update its
 434      * value now. This is a node for which we know how to find a nested
 435      * value. So register the node for an update.
 436      */
 437     if (display->m_varKind == VarTree::VKstruct &&
 438         display->m_type != 0 &&
 439         display->m_type != TypeInfo::unknownType())
 440     {
 441         ASSERT(newValue->m_varKind == VarTree::VKstruct);
 442         display->m_partialValue = display->m_type->m_displayString[0];
 443         m_updateStruct.append(display);
 444     }
 445     else
 446     {
 447         if (display->updateValue(newValue->m_value)) {
 448             int i = itemRow(display);
 449             if (i >= 0) {
 450                 updateCell(i, 1, true);
 451             }
 452         }
 453     }
 454 }
 455
 456 void ExprWnd::updateStructValue(VarTree* display)
 457 {
 458     ASSERT(display->m_varKind == VarTree::VKstruct);
 459
 460     if (display->updateValue(display->m_partialValue)) {
 461         int i = itemRow(display);
 462         if (i >= 0) {
 463             updateValuesWidth();
 464             updateCell(i, 1, true);
 465         }
 466     }
 467     // reset the value
 468     display->m_partialValue = "";
 469     display->m_exprIndex = -1;
 470 }
 471
 472 void ExprWnd::replaceChildren(VarTree* display, VarTree* newValues)
 473 {
 474     ASSERT(display->childCount() == 0 || display->m_varKind != VarTree::VKsimple);
 475
 476     // delete all children of display
 477     KTreeViewItem* c;
 478     while ((c = display->getChild()) != 0) {
 479         display->removeChild(c);
 480     }
 481     // insert copies of the newValues
 482     for (c = newValues->getChild(); c != 0; c = c->getSibling()) {
 483         VarTree* v = static_cast<VarTree*>(c);
 484         VarTree* vNew = new VarTree(v->getText(), v->m_nameKind);
 485         vNew->m_varKind = v->m_varKind;
 486         vNew->m_value = v->m_value;
 487         vNew->m_type = v->m_type;
 488         vNew->setDelayedExpanding(vNew->m_varKind == VarTree::VKpointer);
 489         vNew->setExpanded(v->isExpanded());
 490         display->appendChild(vNew);
 491         // recurse
 492         replaceChildren(vNew, v);
 493     }
 494 }
 495
 496 void ExprWnd::collectUnknownTypes(VarTree* var)
 497 {
 498     /*
 499      * forEveryItem does not scan the root item itself. So we must do it
 500      * ourselves.
 501      */
 502     ASSERT(var->m_varKind != VarTree::VKpointer || var->m_nameKind != VarTree::NKtype);
 503     if (var->m_type == 0 &&
 504         var->m_varKind == VarTree::VKstruct &&
 505         var->m_nameKind != VarTree::NKtype)
 506     {
 507         /* this struct node doesn't have a type yet: register it */
 508         m_updateType.append(var);
 509     }
 510
 511     // add pointer pixmap to pointers
 512     if (var->m_varKind == VarTree::VKpointer) {
 513         var->setPixmap(m_pixPointer);
 514     }
 515
 516     forEveryItem(collectUnknownTypes, this, var);
 517 }
 518
 519 bool ExprWnd::collectUnknownTypes(KTreeViewItem* item, void* user)
 520 {
 521     VarTree* var = static_cast<VarTree*>(item);
 522     ExprWnd* tree = static_cast<ExprWnd*>(user);
 523     ASSERT(var->m_varKind != VarTree::VKpointer || var->m_nameKind != VarTree::NKtype);
 524     if (var->m_type == 0 &&
 525         var->m_varKind == VarTree::VKstruct &&
 526         var->m_nameKind != VarTree::NKtype)
 527     {
 528         /* this struct node doesn't have a type yet: register it */
 529         tree->m_updateType.append(var);
 530     }
 531     // add pointer pixmap to pointers
 532     if (var->m_varKind == VarTree::VKpointer) {
 533         var->setPixmap(tree->m_pixPointer);
 534     }
 535     return false;
 536 }
 537
 538
 539 VarTree* ExprWnd::topLevelExprByName(const char* name)
 540 {
 541     QString p = name;
 542     KPath path;
 543     path.push(&p);
 544     KTreeViewItem* item = itemAt(path);
 545     path.pop();
 546
 547     return static_cast<VarTree*>(item);
 548 }
 549
 550 void ExprWnd::removeExpr(VarTree* item)
 551 {
 552     // must remove any pointers scheduled for update from the list
 553     sweepList(m_updatePtrs, item);
 554     sweepList(m_updateType, item);
 555     sweepList(m_updateStruct, item);
 556
 557     takeItem(item);
 558     delete item;
 559
 560     updateValuesWidth();
 561 }
 562
 563 void ExprWnd::sweepList(QList<VarTree>& list, VarTree* subTree)
 564 {
 565     if (subTree == 0)
 566         return;
 567
 568     VarTree* checkItem = list.first();
 569     while (checkItem != 0) {
 570         if (!subTree->isAncestorEq(checkItem)) {
 571             // checkItem is not an item from subTree
 572             // advance
 573             checkItem = list.next();
 574         } else {
 575             // checkItem is an item from subTree
 576             /*
 577              * If checkItem is the last item in the list, we need a special
 578              * treatment, because remove()ing it steps the current item of
 579              * the list in the "wrong" direction.
 580              */
 581             if (checkItem == list.getLast()) { // does not set current item
 582                 list.remove();
 583                 /* we deleted the last element, so we've finished */
 584                 checkItem = 0;
 585             } else {
 586                 list.remove();
 587                 /* remove() advanced already */
 588                 checkItem = list.current();
 589             }
 590         }
 591     }
 592 }
 593
 594 QString ExprWnd::exprStringAt(int index)
 595 {
 596     KTreeViewItem* item = itemAt(index);
 597     if (item == 0) return QString();    /* paranoia */
 598     VarTree* expr = static_cast<VarTree*>(item);
 599     return expr->computeExpr();
 600 }
 601
 602 void ExprWnd::clearPendingUpdates()
 603 {
 604     m_updatePtrs.clear();
 605     m_updateType.clear();
 606     m_updateStruct.clear();
 607 }
 608
 609 VarTree* ExprWnd::nextUpdatePtr()
 610 {
 611     VarTree* ptr = m_updatePtrs.first();
 612     if (ptr != 0) {
 613         m_updatePtrs.remove();
 614     }
 615     return ptr;
 616 }
 617
 618 VarTree* ExprWnd::nextUpdateType()
 619 {
 620     VarTree* ptr = m_updateType.first();
 621     if (ptr != 0) {
 622         m_updateType.remove();
 623     }
 624     return ptr;
 625 }
 626
 627 VarTree* ExprWnd::nextUpdateStruct()
 628 {
 629     VarTree* ptr = m_updateStruct.first();
 630     if (ptr != 0) {
 631         m_updateStruct.remove();
 632     }
 633     return ptr;
 634 }
 635
 636 void ExprWnd::paintCell(QPainter* painter, int row, int col)
 637 {
 638     if (col == 0) {
 639         KTreeView::paintCell(painter, row, col);
 640     } else {
 641         VarTree* item = static_cast<VarTree*>(itemAt(row));
 642         if (item != 0) {
 643             item->paintValue(painter);
 644         }
 645     }
 646 }
 647
 648 int ExprWnd::cellWidth(int col) const
 649 {
 650     if (col == 0) {
 651         return KTreeView::cellWidth(col);
 652     } else {
 653         return maxValueWidth;
 654     }
 655 }
 656
 657 void ExprWnd::updateValuesWidth()
 658 {
 659     int maxW = 0;
 660     forEveryVisibleItem(static_cast<KForEveryFunc>(&getMaxValueWidth), &maxW);
 661     maxValueWidth = maxW;
 662     updateTableSize();
 663 }
 664
 665 // called by updateValuesWidth() for each item in the visible list
 666 bool ExprWnd::getMaxValueWidth(KTreeViewItem* item, void* user)
 667 {
 668     int *maxW = (int *)user;
 669     VarTree* v = static_cast<VarTree*>(item);
 670     int w = v->valueWidth();
 671     if(w > *maxW)
 672         *maxW = w;
 673     return false;
 674 }
 675
 676 void ExprWnd::slotExpandOrCollapse(int)
 677 {
 678     updateValuesWidth();
 679 }
 680
 681 void ExprWnd::editValue(int row, const QString& text)
 682 {
 683     int x;
 684     colXPos(1, &x);
 685     int y;
 686     rowYPos(row, &y);
 687     int w = cellWidth(1);
 688     int h = cellHeight(row);
 689     QScrollBar* sbV = static_cast<QScrollBar*>(child("table_sbV"));
 690
 691     /*
 692      * Make the edit widget at least 5 characters wide (but not wider than
 693      * this widget). If less than half of this widget is used to display
 694      * the text, scroll this widget so that half of it shows the text (or
 695      * less than half of it if the text is shorter).
 696      */
 697     QFontMetrics metr = m_edit.font();
 698     int wMin = metr.width("88888");
 699     if (w < wMin)
 700         w = wMin;
 701     int wThis = width();
 702     if (sbV->isVisible())       // subtract width of scrollbar
 703         wThis -= sbV->width();
 704     if (x >= wThis/2 &&         // less than half the width displays text
 705         x+w > wThis)            // not all text is visible
 706     {
 707         // scroll so that more text is visible
 708         int wScroll = QMIN(x-wThis/2, x+w-wThis);
 709         sbHor(xOffset()+wScroll);
 710         colXPos(1, &x);
 711     }
 712     else if (x < 0)
 713     {
 714         // don't let the edit move out at the left
 715         x = 0;
 716     }
 717
 718     // make the edit box as wide as the visible column
 719     QRect rect(x,y, wThis-x,h);
 720     m_edit.setText(text);
 721     m_edit.selectAll();
 722
 723     m_edit.setGeometry(rect);
 724     m_edit.m_finished = false;
 725     m_edit.m_row = row;
 726     m_edit.show();
 727     m_edit.setFocus();
 728 }
 729
 730 bool ExprWnd::isEditing() const
 731 {
 732     return m_edit.isVisible();
 733 }
 734
 735
 736 ValueEdit::ValueEdit(ExprWnd* parent) :
 737         QLineEdit(parent, "valueedit")
 738 {
 739     setFrame(false);
 740     hide();
 741     lower();    // lower the window below scrollbars
 742     connect(parent, SIGNAL(selected(int)), SLOT(slotSelectionChanged()));
 743     connect(parent, SIGNAL(collapsed(int)), SLOT(slotSelectionChanged()));
 744     connect(parent, SIGNAL(expanded(int)), SLOT(slotSelectionChanged()));
 745     connect(this, SIGNAL(done(int, const QString&)),
 746             parent, SIGNAL(editValueCommitted(int, const QString&)));
 747 }
 748
 749 ValueEdit::~ValueEdit()
 750 {
 751 }
 752
 753 void ValueEdit::terminate(bool commit)
 754 {
 755     TRACE(commit?"ValueEdit::terminate(true)":"ValueEdit::terminate(false)");
 756     if (!m_finished)
 757     {
 758         m_finished = true;
 759         hide(); // will call focusOutEvent, that's why we need m_finished
 760         if (commit) {
 761             emit done(m_row, text());
 762         }
 763     }
 764 }
 765
 766 void ValueEdit::keyPressEvent(QKeyEvent *e)
 767 {
 768     if(e->key() == Qt::Key_Return || e->key() == Qt::Key_Enter)
 769         terminate(true);
 770     else if(e->key() == Qt::Key_Escape)
 771         terminate(false);
 772     else
 773         QLineEdit::keyPressEvent(e);
 774 }
 775
 776 void ValueEdit::paintEvent(QPaintEvent* e)
 777 {
 778     QLineEdit::paintEvent(e);
 779
 780     QPainter p(this);
 781     p.drawRect(rect());
 782 }
 783
 784 void ValueEdit::focusOutEvent(QFocusEvent* ev)
 785 {
 786     TRACE("ValueEdit::focusOutEvent");
 787     QFocusEvent* focusEv = static_cast<QFocusEvent*>(ev);
 788     // Don't let a RMB close the editor
 789     if (focusEv->reason() != QFocusEvent::Popup &&
 790         focusEv->reason() != QFocusEvent::ActiveWindow)
 791     {
 792         terminate(true);
 793     }
 794 }
 795
 796 void ValueEdit::slotSelectionChanged()
 797 {
 798     TRACE("ValueEdit::slotSelectionChanged");
 799     terminate(false);
 800 }