kdict/matchview.cpp

   1 /* -------------------------------------------------------------
   2
   3    matchview.cpp (part of The KDE Dictionary Client)
   4
   5    Copyright (C) 2000-2001 Christian Gebauer <gebauer@kde.org>
   6
   7    This file is distributed under the Artistic License.
   8    See LICENSE for details.
   9
  10    -------------------------------------------------------------
  11
  12    MatchView  This widget contains the list of matching definitions
  13
  14  ------------------------------------------------------------- */
  15
  16 #include <qclipboard.h>
  17 #include <qcombobox.h>
  18 #include <qpushbutton.h>
  19 #include <qheader.h>
  20 #include <qlayout.h>
  21 #include <qpainter.h>
  22 #include <qregexp.h>
  23
  24 #include <kpopupmenu.h>
  25 #include <klocale.h>
  26 #include <kapplication.h>
  27 #include <kiconloader.h>
  28 #include <kmessagebox.h>
  29
  30 #include "dict.h"
  31 #include "options.h"
  32 #include "matchview.h"
  33
  34
  35 //*********  MatchViewItem  ********************************************
  36
  37
  38 MatchViewItem::MatchViewItem(QListView *view, const QString &text)
  39   : QListViewItem(view,text)
  40 {
  41 }
  42
  43
  44 MatchViewItem::MatchViewItem(QListView *view,QListViewItem *after,const QString &text)
  45   : QListViewItem(view,after,text)
  46 {
  47 }
  48
  49
  50 MatchViewItem::MatchViewItem(QListViewItem *item,const QString &text,const QString &commandStr)
  51 : QListViewItem(item,text), command(commandStr)
  52 {
  53 }
  54
  55
  56 MatchViewItem::MatchViewItem(QListViewItem *item,QListViewItem *after,const QString &text,const QString &commandStr)
  57 : QListViewItem(item,after,text), command(commandStr)
  58 {
  59 }
  60
  61
  62 MatchViewItem::~MatchViewItem()
  63 {
  64 }
  65
  66
  67 void MatchViewItem::setOpen(bool o)
  68 {
  69   if (o && !childCount()) {
  70     listView()->setUpdatesEnabled(false);
  71
  72     MatchViewItem *sub=0;
  73     QString command, label;
  74     QRegExp exp("\"*\"", true, true);
  75     QStringList::iterator it;
  76     for (it = subEntrys.begin(); it != subEntrys.end(); ++it) {
  77       command = "define ";
  78       command += (*it);
  79       command += "\r\n";
  80       exp.search((*it));
  81       label = exp.cap();
  82       label = label.mid(1, label.length()-2); // remove quotes
  83       if (sub)
  84         sub = new MatchViewItem(this, sub, label, command);
  85       else
  86         sub = new MatchViewItem(this, label, command);
  87     }
  88
  89     subEntrys.clear();
  90
  91     listView()->setUpdatesEnabled(true);
  92   }
  93
  94   if (childCount())
  95     QListViewItem::setOpen(o);
  96 }
  97
  98
  99 void MatchViewItem::paintCell(QPainter *p, const QColorGroup &cg, int column, int width, int alignment)
 100 {
 101   if(command.isEmpty()) {
 102     QFont font=p->font();
 103     font.setBold(true);
 104     p->setFont(font);
 105   }
 106   QListViewItem::paintCell(p,cg,column,width,alignment);
 107 }
 108
 109
 110 //********* MatchView  ******************************************
 111
 112
 113 MatchView::MatchView(QWidget *parent, const char *name)
 114   : QWidget(parent,name),getOn(false),getAllOn(false)
 115 {
 116   setCaption(kapp->makeStdCaption(i18n("Match List")));
 117
 118   QVBoxLayout * boxLayout = new QVBoxLayout(this, 1, 0);
 119
 120   boxLayout->addSpacing(1);
 121   w_strat = new QComboBox(false,this);
 122   w_strat->setFixedHeight(w_strat->sizeHint().height());
 123   connect(w_strat,SIGNAL(activated(int)),this,SLOT(strategySelected(int)));
 124   boxLayout->addWidget(w_strat,0);
 125   boxLayout->addSpacing(1);
 126
 127   w_list = new QListView(this);
 128   w_list->setFocusPolicy(QWidget::StrongFocus);
 129   w_list->header()->hide();
 130   w_list->addColumn("foo");
 131   w_list->setColumnWidthMode(0,QListView::Maximum);
 132   w_list->setColumnWidth(0,0);
 133   w_list->setSelectionMode(QListView::Extended);
 134   w_list->setTreeStepSize(18);
 135   w_list->setSorting(-1);                                 // disable sorting
 136   w_list->setMinimumHeight(w_strat->sizeHint().height());
 137   connect(w_list,SIGNAL(selectionChanged()),SLOT(enableGetButton()));
 138   connect(w_list,SIGNAL(returnPressed(QListViewItem *)),SLOT(returnPressed(QListViewItem *)));
 139   connect(w_list,SIGNAL(doubleClicked(QListViewItem *)),SLOT(getOneItem(QListViewItem *)));
 140   connect(w_list,SIGNAL(mouseButtonPressed(int, QListViewItem *, const QPoint &, int)),
 141                  SLOT(mouseButtonPressed(int, QListViewItem *, const QPoint &, int)));
 142   connect(w_list,SIGNAL(rightButtonPressed(QListViewItem *,const QPoint &,int)),SLOT(buildPopupMenu(QListViewItem *,const QPoint &,int)));
 143   boxLayout->addWidget(w_list,1);
 144
 145   boxLayout->addSpacing(1);
 146   w_get = new QPushButton(i18n("&Get Selected"),this);
 147   w_get->setFixedHeight(w_get->sizeHint().height()-3);
 148   w_get->setMinimumWidth(w_get->sizeHint().width()-20);
 149   w_get->setEnabled(false);
 150   connect(w_get, SIGNAL(clicked()), this, SLOT(getSelected()));
 151   boxLayout->addWidget(w_get,0);
 152
 153   w_getAll = new QPushButton(i18n("Get &All"),this);
 154   w_getAll->setFixedHeight(w_getAll->sizeHint().height()-3);
 155   w_getAll->setMinimumWidth(w_getAll->sizeHint().width()-20);
 156   w_getAll->setEnabled(false);
 157   connect(w_getAll, SIGNAL(clicked()), this, SLOT(getAll()));
 158   boxLayout->addWidget(w_getAll,0);
 159   connect(interface,SIGNAL(matchReady(const QStringList &)),this,SLOT(newList(const QStringList &)));
 160   rightBtnMenu = new KPopupMenu();
 161 }
 162
 163
 164 MatchView::~MatchView()
 165 {
 166 }
 167
 168
 169 void MatchView::updateStrategyCombo()
 170 {
 171   w_strat->clear();
 172   w_strat->insertStringList(global->strategies);
 173   w_strat->setCurrentItem(global->currentStrategy);
 174 }
 175
 176
 177 bool MatchView::selectStrategy(const QString &strategy) const
 178 {
 179   int newCurrent = global->strategies.findIndex(strategy);
 180   if (newCurrent == -1)
 181     return false;
 182   else {
 183     global->currentStrategy = newCurrent;
 184     w_strat->setCurrentItem(global->currentStrategy);
 185     return true;
 186   }
 187 }
 188
 189
 190 void MatchView::match(const QString &query)
 191 {
 192   interface->match(query.utf8());
 193 }
 194
 195
 196 void MatchView::closeEvent ( QCloseEvent * e )
 197 {
 198   e->accept();                            // hides the widget
 199   emit(windowClosed());
 200 }
 201
 202
 203 void MatchView::strategySelected(int num)
 204 {
 205   global->currentStrategy = num;
 206 }
 207
 208
 209 void MatchView::enableGetButton()
 210 {
 211   if (w_getAll->isEnabled()) {
 212     w_get->setEnabled(true);
 213     getOn = true;
 214   }
 215 }
 216
 217
 218 void MatchView::mouseButtonPressed(int button, QListViewItem *, const QPoint &, int)
 219 {
 220   if (button == MidButton)
 221     emit(clipboardRequested());
 222 }
 223
 224
 225 void MatchView::returnPressed(QListViewItem *)
 226 {
 227   getSelected();
 228 }
 229
 230
 231 void MatchView::getOneItem(QListViewItem *i)
 232 {
 233   QStringList defines;
 234
 235   if ((!i->childCount())&&(i->parent()))
 236     defines.append(((MatchViewItem *)(i))->command);
 237   else {
 238     i = i->firstChild();
 239     while (i) {
 240       defines.append(((MatchViewItem *)(i))->command);
 241       i = i->nextSibling();
 242     }
 243   }
 244
 245   doGet(defines);
 246 }
 247
 248
 249 void MatchView::getSelected()
 250 {
 251   QStringList defines;
 252   MatchViewItem *top = static_cast<MatchViewItem*>(w_list->firstChild());
 253   MatchViewItem *sub;
 254
 255   while (top) {
 256     if (top->isSelected()&&(!top->subEntrys.isEmpty())) {
 257       QString command;
 258       QStringList::iterator it;
 259       for (it = top->subEntrys.begin(); it != top->subEntrys.end(); ++it) {
 260         command = "define ";
 261         command += (*it);
 262         command += "\r\n";
 263         defines.append(command);
 264       }
 265     } else {
 266       sub = static_cast<MatchViewItem*>(top->firstChild());
 267       while (sub) {
 268         if (top->isSelected()||sub->isSelected())
 269           defines.append(sub->command);
 270         sub = static_cast<MatchViewItem*>(sub->nextSibling());
 271       }
 272     }
 273     top = static_cast<MatchViewItem*>(top->nextSibling());
 274   }
 275   doGet(defines);
 276 }
 277
 278
 279 void MatchView::getAll()
 280 {
 281   QStringList defines;
 282   MatchViewItem *top = static_cast<MatchViewItem*>(w_list->firstChild());
 283   MatchViewItem *sub;
 284
 285   while (top) {
 286     if (!top->subEntrys.isEmpty()) {
 287       QString command;
 288       QStringList::iterator it;
 289       for (it = top->subEntrys.begin(); it != top->subEntrys.end(); ++it) {
 290         command = "define ";
 291         command += (*it);
 292         command += "\r\n";
 293         defines.append(command);
 294       }
 295     } else {
 296       sub = static_cast<MatchViewItem*>(top->firstChild());
 297       while (sub) {
 298         defines.append(sub->command);
 299         sub = static_cast<MatchViewItem*>(sub->nextSibling());
 300       }
 301     }
 302     top = static_cast<MatchViewItem*>(top->nextSibling());
 303   }
 304   doGet(defines);
 305 }
 306
 307
 308 void MatchView::doGet(QStringList &defines)
 309 {
 310   if (defines.count() > 0) {
 311     if (defines.count() > global->maxDefinitions) {
 312       KMessageBox::sorry(global->topLevel,i18n("You have selected %1 definitions,\nbut Kdict will fetch only the first %2 definitions.\nYou can modify this limit in the Preferences Dialog.")
 313                                              .arg(defines.count()).arg(global->maxDefinitions));
 314       while (defines.count()>global->maxDefinitions)
 315         defines.pop_back();
 316     }
 317     interface->getDefinitions(defines);
 318   }
 319 }
 320
 321
 322 void MatchView::newList(const QStringList &matches)
 323 {
 324   MatchViewItem *top=0;
 325   bool initialOpen = (matches.count()<200);
 326   int numDb = 0;
 327
 328   rightBtnMenu->hide();
 329   w_list->clear();
 330   w_list->setColumnWidth(0,0);
 331   w_list->setUpdatesEnabled(false);
 332   w_get->setEnabled(false);
 333   getOn = false;
 334
 335   if (matches.isEmpty()) {
 336     w_list->setColumnWidth(0,w_get->width()-5);
 337     w_list->setRootIsDecorated(false);
 338     w_getAll->setEnabled(false);
 339     getAllOn = false;
 340     top = new MatchViewItem(w_list,top,i18n(" No Hits"));
 341   } else {
 342     w_list->setRootIsDecorated(true);
 343     w_getAll->setEnabled(true);
 344     getAllOn = true;
 345     QString lastDb, db, match;
 346
 347     QStringList::const_iterator it;
 348     for (it = matches.begin(); it != matches.end(); ++it) {
 349       db = (*it).section(' ', 0, 0);
 350
 351       if (db != lastDb) {
 352         numDb++;
 353         if (top) {
 354           top->setOpen(initialOpen);
 355           top = new MatchViewItem(w_list, top, db);
 356         } else
 357           top = new MatchViewItem(w_list, db);
 358         top->setExpandable(true);
 359         lastDb = db;
 360       }
 361
 362       if (top)
 363         top->subEntrys.append(*it);
 364     }
 365
 366     if ((numDb == 1)||(initialOpen))
 367       top->setOpen(true);
 368   }
 369
 370   w_list->setUpdatesEnabled(true);
 371   w_list->repaint();
 372   w_list->setFocus();
 373 }
 374
 375
 376 // construct the right-mouse-button-popup-menu on demand
 377 void MatchView::buildPopupMenu(QListViewItem *i, const QPoint &_point, int)
 378 {
 379   rightBtnMenu->clear();
 380
 381   if ((i!=0L)&&(i->isExpandable()||i->parent())) {
 382     popupCurrent = (MatchViewItem *)(i);
 383     rightBtnMenu->insertItem(i18n("&Get"),this,SLOT(popupGetCurrent()));
 384     if (!i->isExpandable()) {       // toplevel item -> only "get"
 385       rightBtnMenu->insertItem(i18n("&Match"),this,SLOT(popupMatchCurrent()));
 386       rightBtnMenu->insertItem(i18n("&Define"),this,SLOT(popupDefineCurrent()));
 387     }
 388     rightBtnMenu->insertSeparator();
 389   }
 390
 391   kapp->clipboard()->setSelectionMode(false);
 392   QString text = kapp->clipboard()->text();
 393   if (text.isEmpty()) {
 394     kapp->clipboard()->setSelectionMode(true);
 395     text = kapp->clipboard()->text();
 396   }
 397   if (!text.isEmpty()) {
 398     popupClip = kapp->clipboard()->text();
 399     rightBtnMenu->insertItem(i18n("Match &Clipboard Content"),this,SLOT(popupMatchClip()));
 400     rightBtnMenu->insertItem(SmallIcon("define_clip"),i18n("D&efine Clipboard Content"),this,SLOT(popupDefineClip()));
 401     rightBtnMenu->insertSeparator();
 402   }
 403
 404   int ID = rightBtnMenu->insertItem(i18n("Get &Selected"),this,SLOT(getSelected()));
 405   rightBtnMenu->setItemEnabled(ID,getOn);
 406   ID = rightBtnMenu->insertItem(i18n("Get &All"),this,SLOT(getAll()));
 407   rightBtnMenu->setItemEnabled(ID,getAllOn);
 408
 409   if (w_list->childCount()) {
 410     rightBtnMenu->insertSeparator();
 411     rightBtnMenu->insertItem(i18n("E&xpand List"),this,SLOT(expandList()));
 412     rightBtnMenu->insertItem(i18n("C&ollapse List"),this,SLOT(collapseList()));
 413   }
 414
 415   rightBtnMenu->popup(_point);
 416 }
 417
 418
 419 void MatchView::popupGetCurrent()
 420 {
 421   getOneItem(popupCurrent);
 422 }
 423
 424
 425 void MatchView::popupDefineCurrent()
 426 {
 427   emit(defineRequested(popupCurrent->text(0)));
 428 }
 429
 430
 431 void MatchView::popupMatchCurrent()
 432 {
 433   emit(matchRequested(popupCurrent->text(0)));
 434 }
 435
 436
 437 void MatchView::popupDefineClip()
 438 {
 439   emit(defineRequested(popupClip));
 440 }
 441
 442
 443 void MatchView::popupMatchClip()
 444 {
 445   emit(matchRequested(popupClip));
 446 }
 447
 448
 449 void MatchView::expandList()
 450 {
 451   QListViewItem *top = w_list->firstChild();
 452
 453   while (top) {
 454     w_list->setOpen(top,true);
 455     top = top->nextSibling();
 456   }
 457 }
 458
 459
 460 void MatchView::collapseList()
 461 {
 462   w_list->setCurrentItem(w_list->firstChild());
 463   QListViewItem *top = w_list->firstChild();
 464
 465   while (top) {
 466     w_list->setOpen(top,false);
 467     top = top->nextSibling();
 468   }
 469 }
 470
 471 //--------------------------------
 472
 473 #include "matchview.moc"