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 <q3header.h>
  20 #include <qlayout.h>
  21 #include <qpainter.h>
  22 #include <qregexp.h>
  23 //Added by qt3to4:
  24 #include <QVBoxLayout>
  25 #include <QCloseEvent>
  26
  27 #include <kmenu.h>
  28 #include <klocale.h>
  29 #include <kapplication.h>
  30 #include <kiconloader.h>
  31 #include <kmessagebox.h>
  32
  33 #include "dict.h"
  34 #include "options.h"
  35 #include "matchview.h"
  36
  37
  38 //*********  MatchViewItem  ********************************************
  39
  40
  41 MatchViewItem::MatchViewItem(Q3ListView *view, const QString &text)
  42   : Q3ListViewItem(view,text)
  43 {
  44 }
  45
  46
  47 MatchViewItem::MatchViewItem(Q3ListView *view,Q3ListViewItem *after,const QString &text)
  48   : Q3ListViewItem(view,after,text)
  49 {
  50 }
  51
  52
  53 MatchViewItem::MatchViewItem(Q3ListViewItem *item,const QString &text,const QString &commandStr)
  54 : Q3ListViewItem(item,text), command(commandStr)
  55 {
  56 }
  57
  58
  59 MatchViewItem::MatchViewItem(Q3ListViewItem *item,Q3ListViewItem *after,const QString &text,const QString &commandStr)
  60 : Q3ListViewItem(item,after,text), command(commandStr)
  61 {
  62 }
  63
  64
  65 MatchViewItem::~MatchViewItem()
  66 {
  67 }
  68
  69
  70 void MatchViewItem::setOpen(bool o)
  71 {
  72   if (o && !childCount()) {
  73     listView()->setUpdatesEnabled(false);
  74
  75     MatchViewItem *sub=0;
  76     QString command, label;
  77     QRegExp exp("\"*\"", true, true);
  78     QStringList::iterator it;
  79     for (it = subEntrys.begin(); it != subEntrys.end(); ++it) {
  80       command = "define ";
  81       command += (*it);
  82       command += "\r\n";
  83       exp.search((*it));
  84       label = exp.cap();
  85       label = label.mid(1, label.length()-2); // remove quotes
  86       if (sub)
  87         sub = new MatchViewItem(this, sub, label, command);
  88       else
  89         sub = new MatchViewItem(this, label, command);
  90     }
  91
  92     subEntrys.clear();
  93
  94     listView()->setUpdatesEnabled(true);
  95   }
  96
  97   if (childCount())
  98     Q3ListViewItem::setOpen(o);
  99 }
 100
 101
 102 void MatchViewItem::paintCell(QPainter *p, const QColorGroup &cg, int column, int width, int alignment)
 103 {
 104   if(command.isEmpty()) {
 105     QFont font=p->font();
 106     font.setBold(true);
 107     p->setFont(font);
 108   }
 109   Q3ListViewItem::paintCell(p,cg,column,width,alignment);
 110 }
 111
 112
 113 //********* MatchView  ******************************************
 114
 115
 116 MatchView::MatchView(QWidget *parent, const char *name)
 117   : QWidget(parent,name),getOn(false),getAllOn(false)
 118 {
 119   setCaption(KDialog::makeStandardCaption(i18n("Match List"), this));
 120
 121   QVBoxLayout * boxLayout = new QVBoxLayout(this);
 122   boxLayout->setSpacing(0);
 123   boxLayout->setMargin(1);
 124
 125   boxLayout->addSpacing(1);
 126   w_strat = new QComboBox(false,this);
 127   w_strat->setFixedHeight(w_strat->sizeHint().height());
 128   connect(w_strat,SIGNAL(activated(int)),this,SLOT(strategySelected(int)));
 129   boxLayout->addWidget(w_strat,0);
 130   boxLayout->addSpacing(1);
 131
 132   w_list = new Q3ListView(this);
 133   w_list->setFocusPolicy(Qt::StrongFocus);
 134   w_list->header()->hide();
 135   w_list->addColumn("foo");
 136   w_list->setColumnWidthMode(0,Q3ListView::Maximum);
 137   w_list->setColumnWidth(0,0);
 138   w_list->setSelectionMode(Q3ListView::Extended);
 139   w_list->setTreeStepSize(18);
 140   w_list->setSorting(-1);                                 // disable sorting
 141   w_list->setMinimumHeight(w_strat->sizeHint().height());
 142   connect(w_list,SIGNAL(selectionChanged()),SLOT(enableGetButton()));
 143   connect(w_list,SIGNAL(returnPressed(Q3ListViewItem *)),SLOT(returnPressed(Q3ListViewItem *)));
 144   connect(w_list,SIGNAL(doubleClicked(Q3ListViewItem *)),SLOT(getOneItem(Q3ListViewItem *)));
 145   connect(w_list,SIGNAL(mouseButtonPressed(int, Q3ListViewItem *, const QPoint &, int)),
 146                  SLOT(mouseButtonPressed(int, Q3ListViewItem *, const QPoint &, int)));
 147   connect(w_list,SIGNAL(rightButtonPressed(Q3ListViewItem *,const QPoint &,int)),SLOT(buildPopupMenu(Q3ListViewItem *,const QPoint &,int)));
 148   boxLayout->addWidget(w_list,1);
 149
 150   boxLayout->addSpacing(1);
 151   w_get = new QPushButton(i18n("&Get Selected"),this);
 152   w_get->setFixedHeight(w_get->sizeHint().height()-3);
 153   w_get->setMinimumWidth(w_get->sizeHint().width()-20);
 154   w_get->setEnabled(false);
 155   connect(w_get, SIGNAL(clicked()), this, SLOT(getSelected()));
 156   boxLayout->addWidget(w_get,0);
 157
 158   w_getAll = new QPushButton(i18n("Get &All"),this);
 159   w_getAll->setFixedHeight(w_getAll->sizeHint().height()-3);
 160   w_getAll->setMinimumWidth(w_getAll->sizeHint().width()-20);
 161   w_getAll->setEnabled(false);
 162   connect(w_getAll, SIGNAL(clicked()), this, SLOT(getAll()));
 163   boxLayout->addWidget(w_getAll,0);
 164   connect(interface,SIGNAL(matchReady(const QStringList &)),this,SLOT(newList(const QStringList &)));
 165   rightBtnMenu = new KMenu();
 166 }
 167
 168
 169 MatchView::~MatchView()
 170 {
 171 }
 172
 173
 174 void MatchView::updateStrategyCombo()
 175 {
 176   w_strat->clear();
 177   w_strat->insertStringList(global->strategies);
 178   w_strat->setCurrentItem(global->currentStrategy);
 179 }
 180
 181
 182 bool MatchView::selectStrategy(const QString &strategy) const
 183 {
 184   int newCurrent = global->strategies.findIndex(strategy);
 185   if (newCurrent == -1)
 186     return false;
 187   else {
 188     global->currentStrategy = newCurrent;
 189     w_strat->setCurrentItem(global->currentStrategy);
 190     return true;
 191   }
 192 }
 193
 194
 195 void MatchView::match(const QString &query)
 196 {
 197   interface->match(query.utf8());
 198 }
 199
 200
 201 void MatchView::closeEvent ( QCloseEvent * e )
 202 {
 203   e->accept();                            // hides the widget
 204   emit(windowClosed());
 205 }
 206
 207
 208 void MatchView::strategySelected(int num)
 209 {
 210   global->currentStrategy = num;
 211 }
 212
 213
 214 void MatchView::enableGetButton()
 215 {
 216   if (w_getAll->isEnabled()) {
 217     w_get->setEnabled(true);
 218     getOn = true;
 219   }
 220 }
 221
 222
 223 void MatchView::mouseButtonPressed(int button, Q3ListViewItem *, const QPoint &, int)
 224 {
 225   if (button == Qt::MidButton)
 226     emit(clipboardRequested());
 227 }
 228
 229
 230 void MatchView::returnPressed(Q3ListViewItem *)
 231 {
 232   getSelected();
 233 }
 234
 235
 236 void MatchView::getOneItem(Q3ListViewItem *i)
 237 {
 238   QStringList defines;
 239
 240   if ((!i->childCount())&&(i->parent()))
 241     defines.append(((MatchViewItem *)(i))->command);
 242   else {
 243     i = i->firstChild();
 244     while (i) {
 245       defines.append(((MatchViewItem *)(i))->command);
 246       i = i->nextSibling();
 247     }
 248   }
 249
 250   doGet(defines);
 251 }
 252
 253
 254 void MatchView::getSelected()
 255 {
 256   QStringList defines;
 257   MatchViewItem *top = static_cast<MatchViewItem*>(w_list->firstChild());
 258   MatchViewItem *sub;
 259
 260   while (top) {
 261     if (top->isSelected()&&(!top->subEntrys.isEmpty())) {
 262       QString command;
 263       QStringList::iterator it;
 264       for (it = top->subEntrys.begin(); it != top->subEntrys.end(); ++it) {
 265         command = "define ";
 266         command += (*it);
 267         command += "\r\n";
 268         defines.append(command);
 269       }
 270     } else {
 271       sub = static_cast<MatchViewItem*>(top->firstChild());
 272       while (sub) {
 273         if (top->isSelected()||sub->isSelected())
 274           defines.append(sub->command);
 275         sub = static_cast<MatchViewItem*>(sub->nextSibling());
 276       }
 277     }
 278     top = static_cast<MatchViewItem*>(top->nextSibling());
 279   }
 280   doGet(defines);
 281 }
 282
 283
 284 void MatchView::getAll()
 285 {
 286   QStringList defines;
 287   MatchViewItem *top = static_cast<MatchViewItem*>(w_list->firstChild());
 288   MatchViewItem *sub;
 289
 290   while (top) {
 291     if (!top->subEntrys.isEmpty()) {
 292       QString command;
 293       QStringList::iterator it;
 294       for (it = top->subEntrys.begin(); it != top->subEntrys.end(); ++it) {
 295         command = "define ";
 296         command += (*it);
 297         command += "\r\n";
 298         defines.append(command);
 299       }
 300     } else {
 301       sub = static_cast<MatchViewItem*>(top->firstChild());
 302       while (sub) {
 303         defines.append(sub->command);
 304         sub = static_cast<MatchViewItem*>(sub->nextSibling());
 305       }
 306     }
 307     top = static_cast<MatchViewItem*>(top->nextSibling());
 308   }
 309   doGet(defines);
 310 }
 311
 312
 313 void MatchView::doGet(QStringList &defines)
 314 {
 315   if (defines.count() > 0) {
 316     if (defines.count() > global->maxDefinitions) {
 317       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.",
 318                                               defines.count(), global->maxDefinitions));
 319       while (defines.count()>global->maxDefinitions)
 320         defines.pop_back();
 321     }
 322     interface->getDefinitions(defines);
 323   }
 324 }
 325
 326
 327 void MatchView::newList(const QStringList &matches)
 328 {
 329   MatchViewItem *top=0;
 330   bool initialOpen = (matches.count()<200);
 331   int numDb = 0;
 332
 333   rightBtnMenu->hide();
 334   w_list->clear();
 335   w_list->setColumnWidth(0,0);
 336   w_list->setUpdatesEnabled(false);
 337   w_get->setEnabled(false);
 338   getOn = false;
 339
 340   if (matches.isEmpty()) {
 341     w_list->setColumnWidth(0,w_get->width()-5);
 342     w_list->setRootIsDecorated(false);
 343     w_getAll->setEnabled(false);
 344     getAllOn = false;
 345     top = new MatchViewItem(w_list,top,i18n(" No Hits"));
 346   } else {
 347     w_list->setRootIsDecorated(true);
 348     w_getAll->setEnabled(true);
 349     getAllOn = true;
 350     QString lastDb, db, match;
 351
 352     QStringList::const_iterator it;
 353     for (it = matches.begin(); it != matches.end(); ++it) {
 354       db = (*it).section(' ', 0, 0);
 355
 356       if (db != lastDb) {
 357         numDb++;
 358         if (top) {
 359           top->setOpen(initialOpen);
 360           top = new MatchViewItem(w_list, top, db);
 361         } else
 362           top = new MatchViewItem(w_list, db);
 363         top->setExpandable(true);
 364         lastDb = db;
 365       }
 366
 367       if (top)
 368         top->subEntrys.append(*it);
 369     }
 370
 371     if ((numDb == 1)||(initialOpen))
 372       top->setOpen(true);
 373   }
 374
 375   w_list->setUpdatesEnabled(true);
 376   w_list->repaint();
 377   w_list->setFocus();
 378 }
 379
 380
 381 // construct the right-mouse-button-popup-menu on demand
 382 void MatchView::buildPopupMenu(Q3ListViewItem *i, const QPoint &_point, int)
 383 {
 384   rightBtnMenu->clear();
 385
 386   if ((i!=0L)&&(i->isExpandable()||i->parent())) {
 387     popupCurrent = (MatchViewItem *)(i);
 388     rightBtnMenu->insertItem(i18n("&Get"),this,SLOT(popupGetCurrent()));
 389     if (!i->isExpandable()) {       // toplevel item -> only "get"
 390       rightBtnMenu->insertItem(i18n("&Match"),this,SLOT(popupMatchCurrent()));
 391       rightBtnMenu->insertItem(i18n("&Define"),this,SLOT(popupDefineCurrent()));
 392     }
 393     rightBtnMenu->insertSeparator();
 394   }
 395
 396   QString text = kapp->clipboard()->text(QClipboard::Clipboard);
 397   if (text.isEmpty()) {
 398     text = kapp->clipboard()->text(QClipboard::Selection);
 399   }
 400   if (!text.isEmpty()) {
 401     popupClip = kapp->clipboard()->text();
 402     rightBtnMenu->insertItem(i18n("Match &Clipboard Content"),this,SLOT(popupMatchClip()));
 403     rightBtnMenu->insertItem(SmallIcon("define_clip"),i18n("D&efine Clipboard Content"),this,SLOT(popupDefineClip()));
 404     rightBtnMenu->insertSeparator();
 405   }
 406
 407   int ID = rightBtnMenu->insertItem(i18n("Get &Selected"),this,SLOT(getSelected()));
 408   rightBtnMenu->setItemEnabled(ID,getOn);
 409   ID = rightBtnMenu->insertItem(i18n("Get &All"),this,SLOT(getAll()));
 410   rightBtnMenu->setItemEnabled(ID,getAllOn);
 411
 412   if (w_list->childCount()) {
 413     rightBtnMenu->insertSeparator();
 414     rightBtnMenu->insertItem(i18n("E&xpand List"),this,SLOT(expandList()));
 415     rightBtnMenu->insertItem(i18n("C&ollapse List"),this,SLOT(collapseList()));
 416   }
 417
 418   rightBtnMenu->popup(_point);
 419 }
 420
 421
 422 void MatchView::popupGetCurrent()
 423 {
 424   getOneItem(popupCurrent);
 425 }
 426
 427
 428 void MatchView::popupDefineCurrent()
 429 {
 430   emit(defineRequested(popupCurrent->text(0)));
 431 }
 432
 433
 434 void MatchView::popupMatchCurrent()
 435 {
 436   emit(matchRequested(popupCurrent->text(0)));
 437 }
 438
 439
 440 void MatchView::popupDefineClip()
 441 {
 442   emit(defineRequested(popupClip));
 443 }
 444
 445
 446 void MatchView::popupMatchClip()
 447 {
 448   emit(matchRequested(popupClip));
 449 }
 450
 451
 452 void MatchView::expandList()
 453 {
 454   Q3ListViewItem *top = w_list->firstChild();
 455
 456   while (top) {
 457     w_list->setOpen(top,true);
 458     top = top->nextSibling();
 459   }
 460 }
 461
 462
 463 void MatchView::collapseList()
 464 {
 465   w_list->setCurrentItem(w_list->firstChild());
 466   Q3ListViewItem *top = w_list->firstChild();
 467
 468   while (top) {
 469     w_list->setOpen(top,false);
 470     top = top->nextSibling();
 471   }
 472 }
 473
 474 //--------------------------------
 475
 476 #include "matchview.moc"