src/frontends/qt4/FindAndReplace.cpp

   1 /**
   2  * \file FindAndReplace.cpp
   3  * This file is part of LyX, the document processor.
   4  * Licence details can be found in the file COPYING.
   5  *
   6  * \author Tommaso Cucinotta
   7  *
   8  * Full author contact details are available in file CREDITS.
   9  */
  10
  11 #include <config.h>
  12
  13 #include "FindAndReplace.h"
  14
  15 #include "GuiApplication.h"
  16 #include "qt_helpers.h"
  17 #include "GuiView.h"
  18 #include "GuiWorkArea.h"
  19
  20 #include "buffer_funcs.h"
  21 #include "BufferParams.h"
  22 #include "Cursor.h"
  23 #include "FuncRequest.h"
  24 #include "lyxfind.h"
  25 #include "OutputParams.h"
  26 #include "output_latex.h"
  27 #include "TexRow.h"
  28
  29 #include "support/debug.h"
  30 #include "support/FileName.h"
  31 #include "support/gettext.h"
  32 #include "support/lassert.h"
  33
  34 #include <QCloseEvent>
  35 #include <QLineEdit>
  36
  37 #include <iostream>
  38
  39 using namespace std;
  40 using namespace lyx::support;
  41
  42 namespace lyx {
  43 namespace frontend {
  44
  45
  46 FindAndReplaceWidget::FindAndReplaceWidget(GuiView & view)
  47         :       view_(view)
  48 {
  49         setupUi(this);
  50 #if QT_VERSION < 0x040400
  51         scrollArea->setWidget(scrollAreaWidgetContents);
  52 #endif
  53         find_work_area_->setGuiView(view_);
  54         find_work_area_->init();
  55         setFocusProxy(find_work_area_);
  56         replace_work_area_->setGuiView(view_);
  57         replace_work_area_->init();
  58         // We don't want two cursors blinking.
  59         replace_work_area_->stopBlinkingCursor();
  60 }
  61
  62
  63 bool FindAndReplaceWidget::eventFilter(QObject *obj, QEvent *event)
  64 {
  65         LYXERR(Debug::FIND, "FindAndReplace::eventFilter(): obj=" << obj
  66                << ", fwa=" << find_work_area_ << ", rwa=" << replace_work_area_
  67                << "fsa=" << find_scroll_area_ << ", rsa=" << replace_scroll_area_);
  68         if (obj == find_work_area_ && event->type() == QEvent::KeyPress) {
  69                 QKeyEvent *e = static_cast<QKeyEvent *> (event);
  70                 if (e->key() == Qt::Key_Escape && e->modifiers() == Qt::NoModifier) {
  71                         on_closePB_clicked();
  72                         return true;
  73                 } else if (e->key() == Qt::Key_Enter || e->key() == Qt::Key_Return) {
  74                         if (e->modifiers() == Qt::ShiftModifier) {
  75                                 on_findPrevPB_clicked();
  76                                 return true;
  77                         } else if (e->modifiers() == Qt::NoModifier) {
  78                                 on_findNextPB_clicked();
  79                                 return true;
  80                         }
  81                 } else if (e->key() == Qt::Key_Tab && e->modifiers() == Qt::NoModifier) {
  82                         LYXERR(Debug::FIND, "Focusing replace WA");
  83                         replace_work_area_->setFocus();
  84                         return true;
  85                 }
  86         }
  87         if (obj == replace_work_area_ && event->type() == QEvent::KeyPress) {
  88                 QKeyEvent *e = static_cast<QKeyEvent *> (event);
  89                 if (e->key() == Qt::Key_Escape && e->modifiers() == Qt::NoModifier) {
  90                         on_closePB_clicked();
  91                         return true;
  92                 } else if (e->key() == Qt::Key_Enter || e->key() == Qt::Key_Return) {
  93                         if (e->modifiers() == Qt::ShiftModifier) {
  94                                 on_replacePrevPB_clicked();
  95                                 return true;
  96                         } else if (e->modifiers() == Qt::NoModifier) {
  97                                 on_replaceNextPB_clicked();
  98                                 return true;
  99                         }
 100                 } else if (e->key() == Qt::Key_Backtab) {
 101                         LYXERR(Debug::FIND, "Focusing find WA");
 102                         find_work_area_->setFocus();
 103                         return true;
 104                 }
 105         }
 106         // standard event processing
 107         return QWidget::eventFilter(obj, event);
 108 }
 109
 110 static docstring buffer_to_latex(Buffer & buffer) {
 111         OutputParams runparams(&buffer.params().encoding());
 112         odocstringstream os;
 113         runparams.nice = true;
 114         runparams.flavor = OutputParams::LATEX;
 115         runparams.linelen = 80; //lyxrc.plaintext_linelen;
 116         // No side effect of file copying and image conversion
 117         runparams.dryrun = true;
 118         buffer.texrow().reset();
 119         ParagraphList::const_iterator pit = buffer.paragraphs().begin();
 120         ParagraphList::const_iterator const end = buffer.paragraphs().end();
 121         for (; pit != end; ++pit) {
 122                 TeXOnePar(buffer, buffer.text(), pit, os, buffer.texrow(), runparams);
 123                 LYXERR(Debug::FIND, "searchString up to here: " << os.str());
 124         }
 125         return os.str();
 126 }
 127
 128 void FindAndReplaceWidget::findAndReplace(
 129         bool casesensitive, bool matchword, bool backwards,
 130         bool expandmacros, bool ignoreformat, bool replace,
 131         bool keep_case)
 132 {
 133         Buffer & buffer = find_work_area_->bufferView().buffer();
 134         docstring searchString;
 135         if (!ignoreformat) {
 136                 searchString = buffer_to_latex(buffer);
 137         } else {
 138                 ParIterator it = buffer.par_iterator_begin();
 139                 ParIterator end = buffer.par_iterator_end();
 140                 OutputParams runparams(&buffer.params().encoding());
 141                 odocstringstream os;
 142                 runparams.nice = true;
 143                 runparams.flavor = OutputParams::LATEX;
 144                 runparams.linelen = 100000; //lyxrc.plaintext_linelen;
 145                 runparams.dryrun = true;
 146                 for (; it != end; ++it) {
 147                         LYXERR(Debug::FIND, "Adding to search string: '" << it->asString(false) << "'");
 148                         searchString += it->stringify(pos_type(0), it->size(), AS_STR_INSETS, runparams);
 149                 }
 150         }
 151         if (to_utf8(searchString).empty()) {
 152                 buffer.message(_("Nothing to search"));
 153                 return;
 154         }
 155         bool const regexp = to_utf8(searchString).find("\\regexp") != std::string::npos;
 156         docstring replaceString;
 157         if (replace) {
 158                 Buffer & repl_buffer = replace_work_area_->bufferView().buffer();
 159                 ostringstream oss;
 160                 repl_buffer.write(oss);
 161                 replaceString = from_utf8(oss.str()); //buffer_to_latex(replace_buffer);
 162         } else {
 163                 replaceString = from_utf8(LYX_FR_NULL_STRING);
 164         }
 165         LYXERR(Debug::FIND, "FindAndReplaceOptions: "
 166                << "searchstring=" << searchString
 167                << ", casesensitiv=" << casesensitive
 168                << ", matchword=" << matchword
 169                << ", backwards=" << backwards
 170                << ", expandmacros=" << expandmacros
 171                << ", ignoreformat=" << ignoreformat
 172                << ", regexp=" << regexp
 173                << ", replaceString" << replaceString
 174                << ", keep_case=" << keep_case);
 175         FindAndReplaceOptions opt(searchString, casesensitive, matchword, ! backwards,
 176                   expandmacros, ignoreformat, regexp, replaceString, keep_case);
 177         LYXERR(Debug::FIND, "Dispatching LFUN_WORD_FINDADV");
 178         std::ostringstream oss;
 179         oss << opt;
 180         LYXERR(Debug::FIND, "Dispatching LFUN_WORD_FINDADV");
 181         dispatch(FuncRequest(LFUN_WORD_FINDADV, from_utf8(oss.str())));
 182 }
 183
 184
 185 void FindAndReplaceWidget::findAndReplace(bool backwards, bool replace)
 186 {
 187         if (! view_.currentMainWorkArea()) {
 188                 view_.message(_("No open document(s) in which to search"));
 189                 return;
 190         }
 191         // FIXME: create a Dialog::returnFocus() or something instead of this:
 192         view_.setCurrentWorkArea(view_.currentMainWorkArea());
 193         findAndReplace(caseCB->isChecked(),
 194                 wordsCB->isChecked(),
 195                 backwards,
 196                 expandMacrosCB->isChecked(),
 197                 ignoreFormatCB->isChecked(),
 198                 replace,
 199                 keepCaseCB->isChecked());
 200         view_.currentMainWorkArea()->redraw();
 201 }
 202
 203
 204 void FindAndReplaceWidget::on_regexpInsertCombo_currentIndexChanged(int index)
 205 {
 206         static char const * regexps[] = {
 207                 ".*", ".+", "[a-z]+", "[0-9]+", ""
 208         };
 209         LYXERR(Debug::FIND, "Index: " << index);
 210         if (index >= 1 && index < 1 + int(sizeof(regexps)/sizeof(regexps[0]))) {
 211                 find_work_area_->setFocus();
 212                 Cursor & cur = find_work_area_->bufferView().cursor();
 213                 if (! cur.inRegexped())
 214                         dispatch(FuncRequest(LFUN_REGEXP_MODE));
 215                 dispatch(FuncRequest(LFUN_SELF_INSERT, regexps[index - 1]));
 216                 regexpInsertCombo->setCurrentIndex(0);
 217         }
 218 }
 219
 220
 221 void FindAndReplaceWidget::on_closePB_clicked()
 222 {
 223         dispatch(FuncRequest(LFUN_DIALOG_TOGGLE, "findreplaceadv"));
 224 }
 225
 226
 227 void FindAndReplaceWidget::on_findNextPB_clicked() {
 228         findAndReplace(false, false);
 229         find_work_area_->setFocus();
 230 }
 231
 232
 233 void FindAndReplaceWidget::on_findPrevPB_clicked() {
 234         findAndReplace(true, false);
 235         find_work_area_->setFocus();
 236 }
 237
 238
 239 void FindAndReplaceWidget::on_replaceNextPB_clicked()
 240 {
 241         findAndReplace(false, true);
 242         replace_work_area_->setFocus();
 243 }
 244
 245
 246 void FindAndReplaceWidget::on_replacePrevPB_clicked()
 247 {
 248         findAndReplace(true, true);
 249         replace_work_area_->setFocus();
 250 }
 251
 252
 253 void FindAndReplaceWidget::on_replaceallPB_clicked()
 254 {
 255         replace_work_area_->setFocus();
 256 }
 257
 258
 259 void FindAndReplaceWidget::showEvent(QShowEvent * /* ev */)
 260 {
 261         replace_work_area_->redraw();
 262         find_work_area_->setFocus();
 263         dispatch(FuncRequest(LFUN_BUFFER_BEGIN));
 264         dispatch(FuncRequest(LFUN_BUFFER_END_SELECT));
 265         find_work_area_->redraw();
 266         find_work_area_->installEventFilter(this);
 267         replace_work_area_->installEventFilter(this);
 268 }
 269
 270
 271 void FindAndReplaceWidget::hideEvent(QHideEvent *ev)
 272 {
 273         replace_work_area_->removeEventFilter(this);
 274         find_work_area_->removeEventFilter(this);
 275         this->QWidget::hideEvent(ev);
 276 }
 277
 278
 279 bool FindAndReplaceWidget::initialiseParams(std::string const & /* params */)
 280 {
 281         find_work_area_->redraw();
 282         replace_work_area_->redraw();
 283         find_work_area_->setFocus();
 284         dispatch(FuncRequest(LFUN_BUFFER_BEGIN));
 285         dispatch(FuncRequest(LFUN_BUFFER_END_SELECT));
 286         return true;
 287 }
 288
 289
 290 FindAndReplace::FindAndReplace(GuiView & parent,
 291                 Qt::DockWidgetArea area, Qt::WindowFlags flags)
 292         : DockView(parent, "Find LyX", qt_("Find LyX Dialog"), area, flags)
 293 {
 294         widget_ = new FindAndReplaceWidget(parent);
 295         setWidget(widget_);
 296         setFocusProxy(widget_);
 297 }
 298
 299
 300 FindAndReplace::~FindAndReplace()
 301 {
 302         setFocusProxy(0);
 303         delete widget_;
 304 }
 305
 306
 307 bool FindAndReplace::initialiseParams(std::string const & params)
 308 {
 309         return widget_->initialiseParams(params);
 310 }
 311
 312
 313 Dialog * createGuiSearchAdv(GuiView & lv)
 314 {
 315         return new FindAndReplace(lv, Qt::RightDockWidgetArea);
 316 }
 317
 318
 319 } // namespace frontend
 320 } // namespace lyx
 321
 322
 323 #include "moc_FindAndReplace.cpp"