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(kapp->makeStdCaption(i18n("Match List")));
 120
 121   QVBoxLayout * boxLayout = new QVBoxLayout(this, 1, 0);
 122
 123   boxLayout->addSpacing(1);
 124   w_strat = new QComboBox(false,this);
 125   w_strat->setFixedHeight(w_strat->sizeHint().height());
 126   connect(w_strat,SIGNAL(activated(int)),this,SLOT(strategySelected(int)));
 127   boxLayout->addWidget(w_strat,0);
 128   boxLayout->addSpacing(1);
 129
 130   w_list = new Q3ListView(this);
 131   w_list->setFocusPolicy(Qt::StrongFocus);
 132   w_list->header()->hide();
 133   w_list->addColumn("foo");
 134   w_list->setColumnWidthMode(0,Q3ListView::Maximum);
 135   w_list->setColumnWidth(0,0);
 136   w_list->setSelectionMode(Q3ListView::Extended);
 137   w_list->setTreeStepSize(18);
 138   w_list->setSorting(-1);                                 // disable sorting
 139   w_list->setMinimumHeight(w_strat->sizeHint().height());
 140   connect(w_list,SIGNAL(selectionChanged()),SLOT(enableGetButton()));
 141   connect(w_list,SIGNAL(returnPressed(Q3ListViewItem *)),SLOT(returnPressed(Q3ListViewItem *)));
 142   connect(w_list,SIGNAL(doubleClicked(Q3ListViewItem *)),SLOT(getOneItem(Q3ListViewItem *)));
 143   connect(w_list,SIGNAL(mouseButtonPressed(int, Q3ListViewItem *, const QPoint &, int)),
 144                  SLOT(mouseButtonPressed(int, Q3ListViewItem *, const QPoint &, int)));
 145   connect(w_list,SIGNAL(rightButtonPressed(Q3ListViewItem *,const QPoint &,int)),SLOT(buildPopupMenu(Q3ListViewItem *,const QPoint &,int)));
 146   boxLayout->addWidget(w_list,1);
 147
 148   boxLayout->addSpacing(1);
 149   w_get = new QPushButton(i18n("&Get Selected"),this);
 150   w_get->setFixedHeight(w_get->sizeHint().height()-3);
 151   w_get->setMinimumWidth(w_get->sizeHint().width()-20);
 152   w_get->setEnabled(false);
 153   connect(w_get, SIGNAL(clicked()), this, SLOT(getSelected()));
 154   boxLayout->addWidget(w_get,0);
 155
 156   w_getAll = new QPushButton(i18n("Get &All"),this);
 157   w_getAll->setFixedHeight(w_getAll->sizeHint().height()-3);
 158   w_getAll->setMinimumWidth(w_getAll->sizeHint().width()-20);
 159   w_getAll->setEnabled(false);
 160   connect(w_getAll, SIGNAL(clicked()), this, SLOT(getAll()));
 161   boxLayout->addWidget(w_getAll,0);
 162   connect(interface,SIGNAL(matchReady(const QStringList &)),this,SLOT(newList(const QStringList &)));
 163   rightBtnMenu = new KMenu();
 164 }
 165
 166
 167 MatchView::~MatchView()
 168 {
 169 }
 170
 171
 172 void MatchView::updateStrategyCombo()
 173 {
 174   w_strat->clear();
 175   w_strat->insertStringList(global->strategies);
 176   w_strat->setCurrentItem(global->currentStrategy);
 177 }
 178
 179
 180 bool MatchView::selectStrategy(const QString &strategy) const
 181 {
 182   int newCurrent = global->strategies.findIndex(strategy);
 183   if (newCurrent == -1)
 184     return false;
 185   else {
 186     global->currentStrategy = newCurrent;
 187     w_strat->setCurrentItem(global->currentStrategy);
 188     return true;
 189   }
 190 }
 191
 192
 193 void MatchView::match(const QString &query)
 194 {
 195   interface->match(query.utf8());
 196 }
 197
 198
 199 void MatchView::closeEvent ( QCloseEvent * e )
 200 {
 201   e->accept();                            // hides the widget
 202   emit(windowClosed());
 203 }
 204
 205
 206 void MatchView::strategySelected(int num)
 207 {
 208   global->currentStrategy = num;
 209 }
 210
 211
 212 void MatchView::enableGetButton()
 213 {
 214   if (w_getAll->isEnabled()) {
 215     w_get->setEnabled(true);
 216     getOn = true;
 217   }
 218 }
 219
 220
 221 void MatchView::mouseButtonPressed(int button, Q3ListViewItem *, const QPoint &, int)
 222 {
 223   if (button == Qt::MidButton)
 224     emit(clipboardRequested());
 225 }
 226
 227
 228 void MatchView::returnPressed(Q3ListViewItem *)
 229 {
 230   getSelected();
 231 }
 232
 233
 234 void MatchView::getOneItem(Q3ListViewItem *i)
 235 {
 236   QStringList defines;
 237
 238   if ((!i->childCount())&&(i->parent()))
 239     defines.append(((MatchViewItem *)(i))->command);
 240   else {
 241     i = i->firstChild();
 242     while (i) {
 243       defines.append(((MatchViewItem *)(i))->command);
 244       i = i->nextSibling();
 245     }
 246   }
 247
 248   doGet(defines);
 249 }
 250
 251
 252 void MatchView::getSelected()
 253 {
 254   QStringList defines;
 255   MatchViewItem *top = static_cast<MatchViewItem*>(w_list->firstChild());
 256   MatchViewItem *sub;
 257
 258   while (top) {
 259     if (top->isSelected()&&(!top->subEntrys.isEmpty())) {
 260       QString command;
 261       QStringList::iterator it;
 262       for (it = top->subEntrys.begin(); it != top->subEntrys.end(); ++it) {
 263         command = "define ";
 264         command += (*it);
 265         command += "\r\n";
 266         defines.append(command);
 267       }
 268     } else {
 269       sub = static_cast<MatchViewItem*>(top->firstChild());
 270       while (sub) {
 271         if (top->isSelected()||sub->isSelected())
 272           defines.append(sub->command);
 273         sub = static_cast<MatchViewItem*>(sub->nextSibling());
 274       }
 275     }
 276     top = static_cast<MatchViewItem*>(top->nextSibling());
 277   }
 278   doGet(defines);
 279 }
 280
 281
 282 void MatchView::getAll()
 283 {
 284   QStringList defines;
 285   MatchViewItem *top = static_cast<MatchViewItem*>(w_list->firstChild());
 286   MatchViewItem *sub;
 287
 288   while (top) {
 289     if (!top->subEntrys.isEmpty()) {
 290       QString command;
 291       QStringList::iterator it;
 292       for (it = top->subEntrys.begin(); it != top->subEntrys.end(); ++it) {
 293         command = "define ";
 294         command += (*it);
 295         command += "\r\n";
 296         defines.append(command);
 297       }
 298     } else {
 299       sub = static_cast<MatchViewItem*>(top->firstChild());
 300       while (sub) {
 301         defines.append(sub->command);
 302         sub = static_cast<MatchViewItem*>(sub->nextSibling());
 303       }
 304     }
 305     top = static_cast<MatchViewItem*>(top->nextSibling());
 306   }
 307   doGet(defines);
 308 }
 309
 310
 311 void MatchView::doGet(QStringList &defines)
 312 {
 313   if (defines.count() > 0) {
 314     if (defines.count() > global->maxDefinitions) {
 315       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.")
 316                                              .arg(defines.count()).arg(global->maxDefinitions));
 317       while (defines.count()>global->maxDefinitions)
 318         defines.pop_back();
 319     }
 320     interface->getDefinitions(defines);
 321   }
 322 }
 323
 324
 325 void MatchView::newList(const QStringList &matches)
 326 {
 327   MatchViewItem *top=0;
 328   bool initialOpen = (matches.count()<200);
 329   int numDb = 0;
 330
 331   rightBtnMenu->hide();
 332   w_list->clear();
 333   w_list->setColumnWidth(0,0);
 334   w_list->setUpdatesEnabled(false);
 335   w_get->setEnabled(false);
 336   getOn = false;
 337
 338   if (matches.isEmpty()) {
 339     w_list->setColumnWidth(0,w_get->width()-5);
 340     w_list->setRootIsDecorated(false);
 341     w_getAll->setEnabled(false);
 342     getAllOn = false;
 343     top = new MatchViewItem(w_list,top,i18n(" No Hits"));
 344   } else {
 345     w_list->setRootIsDecorated(true);
 346     w_getAll->setEnabled(true);
 347     getAllOn = true;
 348     QString lastDb, db, match;
 349
 350     QStringList::const_iterator it;
 351     for (it = matches.begin(); it != matches.end(); ++it) {
 352       db = (*it).section(' ', 0, 0);
 353
 354       if (db != lastDb) {
 355         numDb++;
 356         if (top) {
 357           top->setOpen(initialOpen);
 358           top = new MatchViewItem(w_list, top, db);
 359         } else
 360           top = new MatchViewItem(w_list, db);
 361         top->setExpandable(true);
 362         lastDb = db;
 363       }
 364
 365       if (top)
 366         top->subEntrys.append(*it);
 367     }
 368
 369     if ((numDb == 1)||(initialOpen))
 370       top->setOpen(true);
 371   }
 372
 373   w_list->setUpdatesEnabled(true);
 374   w_list->repaint();
 375   w_list->setFocus();
 376 }
 377
 378
 379 // construct the right-mouse-button-popup-menu on demand
 380 void MatchView::buildPopupMenu(Q3ListViewItem *i, const QPoint &_point, int)
 381 {
 382   rightBtnMenu->clear();
 383
 384   if ((i!=0L)&&(i->isExpandable()||i->parent())) {
 385     popupCurrent = (MatchViewItem *)(i);
 386     rightBtnMenu->insertItem(i18n("&Get"),this,SLOT(popupGetCurrent()));
 387     if (!i->isExpandable()) {       // toplevel item -> only "get"
 388       rightBtnMenu->insertItem(i18n("&Match"),this,SLOT(popupMatchCurrent()));
 389       rightBtnMenu->insertItem(i18n("&Define"),this,SLOT(popupDefineCurrent()));
 390     }
 391     rightBtnMenu->insertSeparator();
 392   }
 393
 394   QString text = kapp->clipboard()->text(QClipboard::Clipboard);
 395   if (text.isEmpty()) {
 396     text = kapp->clipboard()->text(QClipboard::Selection);
 397   }
 398   if (!text.isEmpty()) {
 399     popupClip = kapp->clipboard()->text();
 400     rightBtnMenu->insertItem(i18n("Match &Clipboard Content"),this,SLOT(popupMatchClip()));
 401     rightBtnMenu->insertItem(SmallIcon("define_clip"),i18n("D&efine Clipboard Content"),this,SLOT(popupDefineClip()));
 402     rightBtnMenu->insertSeparator();
 403   }
 404
 405   int ID = rightBtnMenu->insertItem(i18n("Get &Selected"),this,SLOT(getSelected()));
 406   rightBtnMenu->setItemEnabled(ID,getOn);
 407   ID = rightBtnMenu->insertItem(i18n("Get &All"),this,SLOT(getAll()));
 408   rightBtnMenu->setItemEnabled(ID,getAllOn);
 409
 410   if (w_list->childCount()) {
 411     rightBtnMenu->insertSeparator();
 412     rightBtnMenu->insertItem(i18n("E&xpand List"),this,SLOT(expandList()));
 413     rightBtnMenu->insertItem(i18n("C&ollapse List"),this,SLOT(collapseList()));
 414   }
 415
 416   rightBtnMenu->popup(_point);
 417 }
 418
 419
 420 void MatchView::popupGetCurrent()
 421 {
 422   getOneItem(popupCurrent);
 423 }
 424
 425
 426 void MatchView::popupDefineCurrent()
 427 {
 428   emit(defineRequested(popupCurrent->text(0)));
 429 }
 430
 431
 432 void MatchView::popupMatchCurrent()
 433 {
 434   emit(matchRequested(popupCurrent->text(0)));
 435 }
 436
 437
 438 void MatchView::popupDefineClip()
 439 {
 440   emit(defineRequested(popupClip));
 441 }
 442
 443
 444 void MatchView::popupMatchClip()
 445 {
 446   emit(matchRequested(popupClip));
 447 }
 448
 449
 450 void MatchView::expandList()
 451 {
 452   Q3ListViewItem *top = w_list->firstChild();
 453
 454   while (top) {
 455     w_list->setOpen(top,true);
 456     top = top->nextSibling();
 457   }
 458 }
 459
 460
 461 void MatchView::collapseList()
 462 {
 463   w_list->setCurrentItem(w_list->firstChild());
 464   Q3ListViewItem *top = w_list->firstChild();
 465
 466   while (top) {
 467     w_list->setOpen(top,false);
 468     top = top->nextSibling();
 469   }
 470 }
 471
 472 //--------------------------------
 473
 474 #include "matchview.moc"