src/frontends/qt4/GuiSpellchecker.cpp

   1 /**
   2  * \file GuiSpellchecker.cpp
   3  * This file is part of LyX, the document processor.
   4  * Licence details can be found in the file COPYING.
   5  *
   6  * \author John Levon
   7  * \author Edwin Leuven
   8  * \author Abdelrazak Younes
   9  *
  10  * Full author contact details are available in file CREDITS.
  11  */
  12
  13 #include <config.h>
  14
  15 #include "GuiSpellchecker.h"
  16
  17 #include "qt_helpers.h"
  18
  19 #include "ui_SpellcheckerUi.h"
  20
  21 #include "Buffer.h"
  22 #include "BufferParams.h"
  23 #include "BufferView.h"
  24 #include "buffer_funcs.h"
  25 #include "Cursor.h"
  26 #include "CutAndPaste.h"
  27 #include "FuncRequest.h"
  28 #include "Language.h"
  29 #include "LyX.h"
  30 #include "LyXRC.h"
  31 #include "lyxfind.h"
  32 #include "Paragraph.h"
  33 #include "WordLangTuple.h"
  34
  35 #include "support/debug.h"
  36 #include "support/docstring.h"
  37 #include "support/docstring_list.h"
  38 #include "support/ExceptionMessage.h"
  39 #include "support/gettext.h"
  40 #include "support/lstrings.h"
  41 #include "support/textutils.h"
  42
  43 #include <QListWidgetItem>
  44
  45 #include "SpellChecker.h"
  46
  47 #include "frontends/alert.h"
  48
  49 using namespace std;
  50 using namespace lyx::support;
  51
  52 namespace lyx {
  53 namespace frontend {
  54
  55
  56 struct GuiSpellchecker::Private
  57 {
  58         Private() : progress_(0), count_(0) {}
  59         Ui::SpellcheckerUi ui;
  60         /// current word being checked and lang code
  61         WordLangTuple word_;
  62         /// values for progress
  63         int total_;
  64         int progress_;
  65         /// word count
  66         int count_;
  67 };
  68
  69
  70 GuiSpellchecker::GuiSpellchecker(GuiView & lv)
  71         : DockView(lv, "spellchecker", qt_("Spellchecker"),
  72         Qt::RightDockWidgetArea), d(new GuiSpellchecker::Private)
  73 {
  74         d->ui.setupUi(this);
  75
  76         connect(d->ui.suggestionsLW, SIGNAL(itemDoubleClicked(QListWidgetItem*)),
  77                 this, SLOT(on_replacePB_clicked()));
  78
  79         d->ui.wordED->setReadOnly(true);
  80 }
  81
  82
  83 GuiSpellchecker::~GuiSpellchecker()
  84 {
  85         delete d;
  86 }
  87
  88
  89 void GuiSpellchecker::on_closePB_clicked()
  90 {
  91         close();
  92 }
  93
  94
  95 void GuiSpellchecker::on_suggestionsLW_itemChanged(QListWidgetItem * item)
  96 {
  97         if (d->ui.replaceCO->count() != 0)
  98                 d->ui.replaceCO->setItemText(0, item->text());
  99         else
 100                 d->ui.replaceCO->addItem(item->text());
 101
 102         d->ui.replaceCO->setCurrentIndex(0);
 103 }
 104
 105
 106 void GuiSpellchecker::on_replaceCO_highlighted(const QString & str)
 107 {
 108         QListWidget * lw = d->ui.suggestionsLW;
 109         if (lw->currentItem() && lw->currentItem()->text() == str)
 110                 return;
 111
 112         for (int i = 0; i != lw->count(); ++i) {
 113                 if (lw->item(i)->text() == str) {
 114                         lw->setCurrentRow(i);
 115                         break;
 116                 }
 117         }
 118 }
 119
 120
 121 void GuiSpellchecker::updateView()
 122 {
 123         if (hasFocus())
 124                 check();
 125 }
 126
 127
 128 void GuiSpellchecker::on_ignoreAllPB_clicked()
 129 {
 130         /// replace all occurances of word
 131         theSpellChecker()->accept(d->word_);
 132         check();
 133 }
 134
 135
 136 void GuiSpellchecker::on_addPB_clicked()
 137 {
 138         /// insert word in personal dictionary
 139         theSpellChecker()->insert(d->word_);
 140         check();
 141 }
 142
 143
 144 void GuiSpellchecker::on_ignorePB_clicked()
 145 {
 146         dispatch(FuncRequest(LFUN_CHAR_FORWARD));
 147         check();
 148 }
 149
 150
 151 void GuiSpellchecker::on_findNextPB_clicked()
 152 {
 153         docstring const data = find2string(
 154                                 qstring_to_ucs4(d->ui.wordED->text()),
 155                                 true, true, true);
 156         dispatch(FuncRequest(LFUN_WORD_FIND, data));
 157 }
 158
 159
 160 void GuiSpellchecker::on_replacePB_clicked()
 161 {
 162         docstring const replacement = qstring_to_ucs4(d->ui.replaceCO->currentText());
 163
 164         LYXERR(Debug::GUI, "Replace (" << replacement << ")");
 165         BufferView * bv = const_cast<BufferView *>(bufferview());
 166         if (!bv->cursor().inTexted())
 167                 return;
 168         cap::replaceSelectionWithString(bv->cursor(), replacement, true);
 169         bv->buffer().markDirty();
 170         // If we used an LFUN, we would not need that
 171         bv->processUpdateFlags(Update::Force | Update::FitCursor);
 172         // fix up the count
 173         --d->count_;
 174         check();
 175 }
 176
 177
 178 void GuiSpellchecker::on_replaceAllPB_clicked()
 179 {
 180         docstring const data = replace2string(
 181                 qstring_to_ucs4(d->ui.replaceCO->currentText()),
 182                 qstring_to_ucs4(d->ui.wordED->text()),
 183                 true, true, true, true);
 184         dispatch(FuncRequest(LFUN_WORD_REPLACE, data));
 185 }
 186
 187
 188 void GuiSpellchecker::updateSuggestions(docstring_list & words)
 189 {
 190         QString const suggestion = toqstr(d->word_.word());
 191         d->ui.wordED->setText(suggestion);
 192         QListWidget * lw = d->ui.suggestionsLW;
 193         lw->clear();
 194
 195         if (words.empty()) {
 196                 on_suggestionsLW_itemChanged(new QListWidgetItem(suggestion));
 197                 return;
 198         }
 199         for (size_t i = 0; i != words.size(); ++i)
 200                 lw->addItem(toqstr(words[i]));
 201
 202         on_suggestionsLW_itemChanged(lw->item(0));
 203         lw->setCurrentRow(0);
 204 }
 205
 206
 207 bool GuiSpellchecker::initialiseParams(string const &)
 208 {
 209         LYXERR(Debug::GUI, "Spellchecker::initialiseParams");
 210
 211         if (!theSpellChecker())
 212                 return false;
 213
 214         DocIterator const begin = doc_iterator_begin(&buffer());
 215         Cursor const & cur = bufferview()->cursor();
 216         d->progress_ = countWords(begin, cur);
 217         d->total_ = d->progress_ + countWords(cur, doc_iterator_end(&buffer()));
 218         d->count_ = 0;
 219         return true;
 220 }
 221
 222
 223 void GuiSpellchecker::check()
 224 {
 225         LYXERR(Debug::GUI, "Check the spelling of a word");
 226
 227         DocIterator from = bufferview()->cursor();
 228         DocIterator to;
 229         WordLangTuple word_lang;
 230         docstring_list suggestions;
 231
 232         int progress;
 233         try {
 234                 progress = buffer().spellCheck(from, to, word_lang, suggestions);
 235         } catch (ExceptionMessage const & message) {
 236                 if (message.type_ == WarningException) {
 237                         Alert::warning(message.title_, message.details_);
 238                         close();
 239                         return;
 240                 }
 241                 throw message;
 242         }
 243         LYXERR(Debug::GUI, "Found word \"" << word_lang.word() << "\"");
 244         d->count_ += progress;
 245         d->progress_ += progress;
 246
 247         // end of document
 248         if (from == doc_iterator_end(&buffer())) {
 249                 showSummary();
 250                 return;
 251         }
 252         if (!isVisible())
 253                 show();
 254
 255         d->word_ = word_lang;
 256
 257         int const progress_bar = d->total_
 258                 ? int(100.0 * float(d->progress_)/d->total_) : 100;
 259         LYXERR(Debug::GUI, "Updating spell progress.");
 260         // set progress bar
 261         d->ui.spellcheckPR->setValue(progress_bar);
 262         // set suggestions
 263         updateSuggestions(suggestions);
 264
 265         // FIXME: if we used a lfun like in find/replace, dispatch would do
 266         // that for us
 267         int const size = to.pos() - from.pos();
 268         BufferView * bv = const_cast<BufferView *>(bufferview());
 269         bv->putSelectionAt(from, size, false);
 270 }
 271
 272
 273 void GuiSpellchecker::showSummary()
 274 {
 275         if (d->count_ == 0) {
 276                 close();
 277                 return;
 278         }
 279
 280         docstring message;
 281         if (d->count_ != 1)
 282                 message = bformat(_("%1$d words checked."), d->count_);
 283         else
 284                 message = _("One word checked.");
 285
 286         close();
 287         Alert::information(_("Spelling check completed"), message);
 288 }
 289
 290
 291 Dialog * createGuiSpellchecker(GuiView & lv) { return new GuiSpellchecker(lv); }
 292
 293 } // namespace frontend
 294 } // namespace lyx
 295
 296 #include "moc_GuiSpellchecker.cpp"