src/frontends/qt4/GuiCharacter.cpp

   1 /**
   2  * \file GuiCharacter.cpp
   3  * This file is part of LyX, the document processor.
   4  * Licence details can be found in the file COPYING.
   5  *
   6  * \author Angus Leeming
   7  * \author Edwin Leuven
   8  * \author John Levon
   9  * \author Jürgen Spitzmüller
  10  *
  11  * Full author contact details are available in file CREDITS.
  12  */
  13
  14 #include <config.h>
  15
  16 #include "GuiCharacter.h"
  17
  18 #include "GuiApplication.h"
  19 #include "qt_helpers.h"
  20
  21 #include "Font.h"
  22 #include "Buffer.h"
  23 #include "BufferParams.h"
  24 #include "BufferView.h"
  25 #include "Color.h"
  26 #include "ColorCache.h"
  27 #include "ColorSet.h"
  28 #include "Cursor.h"
  29 #include "FuncRequest.h"
  30 #include "Language.h"
  31 #include "Paragraph.h"
  32
  33 #include "support/gettext.h"
  34 #include "support/lstrings.h"
  35
  36 #include <QAbstractItemModel>
  37 #include <QComboBox>
  38 #include <QModelIndex>
  39 #include <QSettings>
  40 #include <QVariant>
  41
  42 using namespace std;
  43
  44 namespace lyx {
  45 namespace frontend {
  46
  47 static QList<ShapePair> shapeData()
  48 {
  49         QList<ShapePair> shapes;
  50         shapes << ShapePair(qt_("No change"), IGNORE_SHAPE);
  51         shapes << ShapePair(qt_("Default"), INHERIT_SHAPE);
  52         shapes << ShapePair(qt_("Upright"), UP_SHAPE);
  53         shapes << ShapePair(qt_("Italic"), ITALIC_SHAPE);
  54         shapes << ShapePair(qt_("Slanted"), SLANTED_SHAPE);
  55         shapes << ShapePair(qt_("Small Caps"), SMALLCAPS_SHAPE);
  56         return shapes;
  57 }
  58
  59
  60 static QList<SizePair> sizeData()
  61 {
  62         QList<SizePair> sizes;
  63         sizes << SizePair(qt_("No change"), FONT_SIZE_IGNORE);
  64         sizes << SizePair(qt_("Default"), FONT_SIZE_INHERIT);
  65         sizes << SizePair(qt_("Tiny"), FONT_SIZE_TINY);
  66         sizes << SizePair(qt_("Smallest"), FONT_SIZE_SCRIPT);
  67         sizes << SizePair(qt_("Smaller"), FONT_SIZE_FOOTNOTE);
  68         sizes << SizePair(qt_("Small"), FONT_SIZE_SMALL);
  69         sizes << SizePair(qt_("Normal"), FONT_SIZE_NORMAL);
  70         sizes << SizePair(qt_("Large"), FONT_SIZE_LARGE);
  71         sizes << SizePair(qt_("Larger"), FONT_SIZE_LARGER);
  72         sizes << SizePair(qt_("Largest"), FONT_SIZE_LARGEST);
  73         sizes << SizePair(qt_("Huge"), FONT_SIZE_HUGE);
  74         sizes << SizePair(qt_("Huger"), FONT_SIZE_HUGER);
  75         sizes << SizePair(qt_("Increase"), FONT_SIZE_INCREASE);
  76         sizes << SizePair(qt_("Decrease"), FONT_SIZE_DECREASE);
  77         return sizes;
  78 }
  79
  80
  81 static QList<BarPair> barData()
  82 {
  83         QList<BarPair> bars;
  84         bars << BarPair(qt_("No change"), IGNORE);
  85         bars << BarPair(qt_("Default"), INHERIT);
  86         bars << BarPair(qt_("(Without)[[underlining]]"), NONE);
  87         bars << BarPair(qt_("Single[[underlining]]"), UNDERBAR);
  88         bars << BarPair(qt_("Double[[underlining]]"), UULINE);
  89         bars << BarPair(qt_("Wavy"), UWAVE);
  90         return bars;
  91 }
  92
  93
  94 static QList<BarPair> strikeData()
  95 {
  96         QList<BarPair> strike;
  97         strike << BarPair(qt_("No change"), IGNORE);
  98         strike << BarPair(qt_("Default"), INHERIT);
  99         strike << BarPair(qt_("(Without)[[strikethrough]]"), NONE);
 100         strike << BarPair(qt_("Single[[strikethrough]]"), STRIKEOUT);
 101         strike << BarPair(qt_("With /"), XOUT);
 102         return strike;
 103 }
 104
 105
 106 static QList<ColorCode> colorData()
 107 {
 108         QList<ColorCode> colors;
 109         colors << Color_black;
 110         colors << Color_blue;
 111         colors << Color_brown;
 112         colors << Color_cyan;
 113         colors << Color_darkgray;
 114         colors << Color_gray;
 115         colors << Color_green;
 116         colors << Color_lightgray;
 117         colors << Color_lime;
 118         colors << Color_magenta;
 119         colors << Color_olive;
 120         colors << Color_orange;
 121         colors << Color_pink;
 122         colors << Color_purple;
 123         colors << Color_red;
 124         colors << Color_teal;
 125         colors << Color_violet;
 126         colors << Color_white;
 127         colors << Color_yellow;
 128         return colors;
 129 }
 130
 131
 132 static QList<SeriesPair> seriesData()
 133 {
 134         QList<SeriesPair> series;
 135         series << SeriesPair(qt_("No change"), IGNORE_SERIES);
 136         series << SeriesPair(qt_("Default"),     INHERIT_SERIES);
 137         series << SeriesPair(qt_("Medium"),    MEDIUM_SERIES);
 138         series << SeriesPair(qt_("Bold"),      BOLD_SERIES);
 139         return series;
 140 }
 141
 142
 143 static QList<FamilyPair> familyData()
 144 {
 145         QList<FamilyPair> families;
 146         families << FamilyPair(qt_("No change"),  IGNORE_FAMILY);
 147         families << FamilyPair(qt_("Default"),      INHERIT_FAMILY);
 148         families << FamilyPair(qt_("Roman"),      ROMAN_FAMILY);
 149         families << FamilyPair(qt_("Sans Serif"), SANS_FAMILY);
 150         families << FamilyPair(qt_("Typewriter"), TYPEWRITER_FAMILY);
 151         return families;
 152 }
 153
 154
 155 static QList<LanguagePair> languageData()
 156 {
 157         QList<LanguagePair> list;
 158         // FIXME (Abdel 14/05/2008): it would be nice if we could use this model
 159         // directly in the language combo; but, as we need also the 'No Change' and
 160         // 'Default' items, this is not possible right now. Separating those two
 161         // entries in radio buttons would be a better GUI IMHO.
 162         QAbstractItemModel * language_model = guiApp->languageModel();
 163         // Make sure the items are sorted.
 164         language_model->sort(0);
 165
 166         for (int i = 0; i != language_model->rowCount(); ++i) {
 167                 QModelIndex index = language_model->index(i, 0);
 168                 list << LanguagePair(index.data(Qt::DisplayRole).toString(),
 169                         index.data(Qt::UserRole).toString());
 170         }
 171         return list;
 172 }
 173
 174
 175 namespace {
 176
 177 template<typename T>
 178 void fillCombo(QComboBox * combo, QList<T> const & list)
 179 {
 180         typename QList<T>::const_iterator cit = list.begin();
 181         for (; cit != list.end(); ++cit)
 182                 combo->addItem(cit->first);
 183 }
 184
 185 template<typename T>
 186 void fillComboColor(QComboBox * combo, QList<T> const & list)
 187 {
 188         // at first add the 2 colors "No change" and "No color"
 189         combo->addItem(qt_("No change"), "ignore");
 190         combo->addItem(qt_("Default"), "inherit");
 191         combo->addItem(qt_("(Without)[[color]]"), "none");
 192         // now add the real colors
 193         QPixmap coloritem(32, 32);
 194         QColor color;
 195         QList<ColorCode>::const_iterator cit = list.begin();
 196         for (; cit != list.end(); ++cit) {
 197                 QString const lyxname = toqstr(lcolor.getLyXName(*cit));
 198                 QString const guiname = toqstr(translateIfPossible(lcolor.getGUIName(*cit)));
 199                 color = QColor(guiApp->colorCache().get(*cit, false));
 200                 coloritem.fill(color);
 201                 combo->addItem(QIcon(coloritem), guiname, lyxname);
 202         }
 203 }
 204
 205 } // namespace
 206
 207 GuiCharacter::GuiCharacter(GuiView & lv)
 208         : GuiDialog(lv, "character", qt_("Text Style")),
 209           font_(ignore_font, ignore_language), emph_(false), noun_(false)
 210 {
 211         setupUi(this);
 212
 213         connect(okPB, SIGNAL(clicked()), this, SLOT(slotOK()));
 214         connect(applyPB, SIGNAL(clicked()), this, SLOT(slotApply()));
 215         connect(closePB, SIGNAL(clicked()), this, SLOT(slotClose()));
 216         connect(autoapplyCB, SIGNAL(stateChanged(int)), this,
 217                 SLOT(slotAutoApply()));
 218
 219         connect(ulineCO, SIGNAL(currentIndexChanged(int)), this, SLOT(change_adaptor()));
 220         connect(strikeCO, SIGNAL(currentIndexChanged(int)), this, SLOT(change_adaptor()));
 221         connect(sizeCO, SIGNAL(currentIndexChanged(int)), this, SLOT(change_adaptor()));
 222         connect(familyCO, SIGNAL(currentIndexChanged(int)), this, SLOT(change_adaptor()));
 223         connect(seriesCO, SIGNAL(currentIndexChanged(int)), this, SLOT(change_adaptor()));
 224         connect(shapeCO, SIGNAL(currentIndexChanged(int)), this, SLOT(change_adaptor()));
 225         connect(colorCO, SIGNAL(currentIndexChanged(int)), this, SLOT(change_adaptor()));
 226         connect(langCO, SIGNAL(currentIndexChanged(int)), this, SLOT(change_adaptor()));
 227
 228         family = familyData();
 229         series = seriesData();
 230         shape  = shapeData();
 231         size   = sizeData();
 232         bar    = barData();
 233         strike = strikeData();
 234         color  = colorData();
 235         qSort(color.begin(), color.end(), ColorSorter);
 236
 237         language = languageData();
 238         language.prepend(LanguagePair(qt_("Default"), "reset"));
 239         language.prepend(LanguagePair(qt_("No change"), "ignore"));
 240
 241         fillCombo(familyCO, family);
 242         fillCombo(seriesCO, series);
 243         fillCombo(sizeCO, size);
 244         fillCombo(shapeCO, shape);
 245         fillCombo(ulineCO, bar);
 246         fillCombo(strikeCO, strike);
 247         fillComboColor(colorCO, color);
 248         fillCombo(langCO, language);
 249
 250         bc().setPolicy(ButtonPolicy::OkApplyCancelAutoReadOnlyPolicy);
 251         bc().setOK(okPB);
 252         bc().setApply(applyPB);
 253         bc().setCancel(closePB);
 254         bc().setAutoApply(autoapplyCB);
 255         bc().addReadOnly(familyCO);
 256         bc().addReadOnly(seriesCO);
 257         bc().addReadOnly(sizeCO);
 258         bc().addReadOnly(shapeCO);
 259         bc().addReadOnly(ulineCO);
 260         bc().addReadOnly(strikeCO);
 261         bc().addReadOnly(nounCB);
 262         bc().addReadOnly(emphCB);
 263         bc().addReadOnly(langCO);
 264         bc().addReadOnly(colorCO);
 265         bc().addReadOnly(autoapplyCB);
 266
 267 #ifdef Q_OS_MAC
 268         // On Mac it's common to have tool windows which are always in the
 269         // foreground and are hidden when the main window is not focused.
 270         setWindowFlags(Qt::Tool);
 271         autoapplyCB->setChecked(true);
 272 #endif
 273 }
 274
 275
 276 void GuiCharacter::on_emphCB_clicked()
 277 {
 278         // skip intermediate state at user click
 279         if (!emph_) {
 280                 emphCB->setCheckState(Qt::Checked);
 281                 emph_ = true;
 282         }
 283         change_adaptor();
 284 }
 285
 286
 287 void GuiCharacter::on_nounCB_clicked()
 288 {
 289         // skip intermediate state at user click
 290         if (!noun_) {
 291                 nounCB->setCheckState(Qt::Checked);
 292                 noun_ = true;
 293         }
 294         change_adaptor();
 295 }
 296
 297
 298 void GuiCharacter::change_adaptor()
 299 {
 300         changed();
 301
 302         if (!autoapplyCB->isChecked())
 303                 return;
 304
 305         // to be really good here, we should set the combos to the values of
 306         // the current text, and make it appear as "no change" if the values
 307         // stay the same between applys. Might be difficult though wrt to a
 308         // moved cursor - jbl
 309         slotApply();
 310 }
 311
 312
 313 template<class P, class B>
 314 static int findPos2nd(QList<P> const & vec, B const & val)
 315 {
 316         for (int i = 0; i != vec.size(); ++i)
 317                 if (vec[i].second == val)
 318                         return i;
 319         return 0;
 320 }
 321
 322
 323 namespace{
 324 FontState getBar(FontInfo const & fi)
 325 {
 326         if (fi.underbar() == FONT_ON)
 327                 return UNDERBAR;
 328
 329         if (fi.uuline() == FONT_ON)
 330                 return UULINE;
 331
 332         if (fi.uwave() == FONT_ON)
 333                 return UWAVE;
 334
 335         if (fi.underbar() == FONT_IGNORE)
 336                 return IGNORE;
 337
 338         return NONE;
 339 }
 340
 341
 342 FontState getStrike(FontInfo const & fi)
 343 {
 344         if (fi.strikeout() == FONT_ON)
 345                 return STRIKEOUT;
 346
 347         if (fi.xout() == FONT_ON)
 348                 return XOUT;
 349
 350         if (fi.strikeout() == FONT_IGNORE)
 351                 return IGNORE;
 352
 353         return NONE;
 354 }
 355
 356
 357 Qt::CheckState getMarkupState(lyx::FontState fs)
 358 {
 359         switch (fs) {
 360         case FONT_OFF:
 361                 return Qt::Unchecked;
 362         case FONT_ON:
 363                 return Qt::Checked;
 364         case FONT_TOGGLE:
 365         case FONT_INHERIT:
 366         case FONT_IGNORE:
 367         default:
 368                 return Qt::PartiallyChecked;
 369         }
 370 }
 371
 372 lyx::FontState setMarkupState(Qt::CheckState cs)
 373 {
 374         switch (cs) {
 375         case Qt::Unchecked:
 376                 return FONT_OFF;
 377         case Qt::Checked:
 378                 return FONT_ON;
 379         case Qt::PartiallyChecked:
 380         default:
 381                 return FONT_IGNORE;
 382         }
 383 }
 384
 385 } // end namespace anon
 386
 387
 388 void GuiCharacter::updateContents()
 389 {
 390         if (bufferview()->cursor().selection()) {
 391                 Font font = bufferview()->cursor().real_current_font;
 392                 FontInfo fi = font.fontInfo();
 393                 BufferParams const & bp = buffer().masterParams();
 394
 395                 // Check if each font attribute is constant for the selection range.
 396                 DocIterator const from = bufferview()->cursor().selectionBegin();
 397                 DocIterator const to = bufferview()->cursor().selectionEnd();
 398                 for (DocIterator dit = from ; dit != to && !dit.atEnd(); ) {
 399                         if (!dit.inTexted()) {
 400                                 dit.forwardPos();
 401                                 continue;
 402                         }
 403                         Paragraph const & par = dit.paragraph();
 404                         pos_type const pos = dit.pos();
 405                         Font tmp = par.getFont(bp, pos, font);
 406                         if (font.language() != tmp.language())
 407                                 font.setLanguage(ignore_language);
 408                         if (fi.family() != tmp.fontInfo().family())
 409                                 font.fontInfo().setFamily(IGNORE_FAMILY);
 410                         if (fi.series() != tmp.fontInfo().series())
 411                                 font.fontInfo().setSeries(IGNORE_SERIES);
 412                         if (fi.shape() != tmp.fontInfo().shape())
 413                                 font.fontInfo().setShape(IGNORE_SHAPE);
 414                         if (fi.size() != tmp.fontInfo().size())
 415                                 font.fontInfo().setSize(FONT_SIZE_IGNORE);
 416                         if (fi.emph() != tmp.fontInfo().emph())
 417                                 font.fontInfo().setEmph(FONT_IGNORE);
 418                         if (fi.noun() != tmp.fontInfo().noun())
 419                                 font.fontInfo().setNoun(FONT_IGNORE);
 420                         if (fi.color() != tmp.fontInfo().color())
 421                                 font.fontInfo().setColor(Color_ignore);
 422                         if (fi.underbar() != tmp.fontInfo().underbar()
 423                             || fi.uuline() != tmp.fontInfo().uuline()
 424                             || fi.uwave() != tmp.fontInfo().uwave())
 425                                 setBar(font.fontInfo(), IGNORE);
 426                         if (fi.strikeout() != tmp.fontInfo().strikeout()
 427                             || fi.xout() != tmp.fontInfo().xout())
 428                                 setStrike(font.fontInfo(), IGNORE);
 429                         dit.forwardPos();
 430                 }
 431                 font_ = font;
 432         } else
 433                 font_ = bufferview()->cursor().real_current_font;
 434
 435         paramsToDialog(font_);
 436 }
 437
 438
 439 void GuiCharacter::setBar(FontInfo & fi, FontState val)
 440 {
 441         switch (val) {
 442         case IGNORE:
 443                 fi.setUnderbar(FONT_IGNORE);
 444                 fi.setUuline(FONT_IGNORE);
 445                 fi.setUwave(FONT_IGNORE);
 446                 break;
 447         case UNDERBAR:
 448                 setBar(fi, NONE);
 449                 fi.setUnderbar(FONT_ON);
 450                 break;
 451         case UULINE:
 452                 setBar(fi, NONE);
 453                 fi.setUuline(FONT_ON);
 454                 break;
 455         case UWAVE:
 456                 setBar(fi, NONE);
 457                 fi.setUwave(FONT_ON);
 458                 break;
 459         case INHERIT:
 460                 fi.setUnderbar(FONT_INHERIT);
 461                 fi.setUuline(FONT_INHERIT);
 462                 fi.setUwave(FONT_INHERIT);
 463                 break;
 464         case NONE:
 465                 fi.setUnderbar(FONT_OFF);
 466                 fi.setUuline(FONT_OFF);
 467                 fi.setUwave(FONT_OFF);
 468                 break;
 469         case XOUT:
 470         case STRIKEOUT:
 471         default:
 472                 break;
 473         }
 474 }
 475
 476
 477 void GuiCharacter::setStrike(FontInfo & fi, FontState val)
 478 {
 479         switch (val) {
 480         case IGNORE:
 481                 fi.setStrikeout(FONT_IGNORE);
 482                 fi.setXout(FONT_IGNORE);
 483                 break;
 484         case STRIKEOUT:
 485                 setStrike(fi, NONE);
 486                 fi.setStrikeout(FONT_ON);
 487                 break;
 488         case XOUT:
 489                 setStrike(fi, NONE);
 490                 fi.setXout(FONT_ON);
 491                 break;
 492         case INHERIT:
 493                 fi.setStrikeout(FONT_INHERIT);
 494                 fi.setXout(FONT_INHERIT);
 495                 break;
 496         case NONE:
 497                 fi.setStrikeout(FONT_OFF);
 498                 fi.setXout(FONT_OFF);
 499                 break;
 500         case UNDERBAR:
 501         case UWAVE:
 502         case UULINE:
 503         default:
 504                 break;
 505         }
 506 }
 507
 508
 509 void GuiCharacter::paramsToDialog(Font const & font)
 510 {
 511         FontInfo const & fi = font.fontInfo();
 512         familyCO->setCurrentIndex(findPos2nd(family, fi.family()));
 513         seriesCO->setCurrentIndex(findPos2nd(series, fi.series()));
 514         shapeCO->setCurrentIndex(findPos2nd(shape, fi.shape()));
 515         sizeCO->setCurrentIndex(findPos2nd(size, fi.size()));
 516         ulineCO->setCurrentIndex(findPos2nd(bar, getBar(fi)));
 517         strikeCO->setCurrentIndex(findPos2nd(strike, getStrike(fi)));
 518         colorCO->setCurrentIndex(colorCO->findData(toqstr(lcolor.getLyXName(fi.color()))));
 519         emphCB->setCheckState(getMarkupState(fi.emph()));
 520         nounCB->setCheckState(getMarkupState(fi.noun()));
 521         emph_ = emphCB->checkState() == Qt::Checked;
 522         noun_ = nounCB->checkState() == Qt::Checked;
 523
 524         // reset_language is a null pointer.
 525         QString const lang = (font.language() == reset_language)
 526                 ? "reset" : toqstr(font.language()->lang());
 527         langCO->setCurrentIndex(findPos2nd(language, lang));
 528 }
 529
 530
 531 void GuiCharacter::applyView()
 532 {
 533         FontInfo & fi = font_.fontInfo();
 534         fi.setFamily(family[familyCO->currentIndex()].second);
 535         fi.setSeries(series[seriesCO->currentIndex()].second);
 536         fi.setShape(shape[shapeCO->currentIndex()].second);
 537         fi.setSize(size[sizeCO->currentIndex()].second);
 538         fi.setEmph(setMarkupState(emphCB->checkState()));
 539         fi.setNoun(setMarkupState(nounCB->checkState()));
 540         setBar(fi, bar[ulineCO->currentIndex()].second);
 541         setStrike(fi, strike[strikeCO->currentIndex()].second);
 542         fi.setColor(lcolor.getFromLyXName(fromqstr(colorCO->itemData(colorCO->currentIndex()).toString())));
 543
 544         font_.setLanguage(languages.getLanguage(
 545                 fromqstr(language[langCO->currentIndex()].second)));
 546 }
 547
 548
 549 bool GuiCharacter::initialiseParams(string const &)
 550 {
 551         if (autoapplyCB->isChecked())
 552                 return true;
 553
 554         FontInfo & fi = font_.fontInfo();
 555
 556         // so that the user can press Ok
 557         if (fi.family()    != IGNORE_FAMILY
 558             || fi.series() != IGNORE_SERIES
 559             || fi.shape()  != IGNORE_SHAPE
 560             || fi.size()   != FONT_SIZE_IGNORE
 561             || getBar(fi)  != IGNORE
 562             || fi.color()  != Color_ignore
 563             || font_.language() != ignore_language)
 564                 setButtonsValid(true);
 565
 566         paramsToDialog(font_);
 567         // Make sure that the bc is in the INITIAL state
 568         if (bc().policy().buttonStatus(ButtonPolicy::OKAY))
 569                 bc().restore();
 570         return true;
 571 }
 572
 573
 574 void GuiCharacter::dispatchParams()
 575 {
 576         dispatch(FuncRequest(getLfun(), font_.toString(false)));
 577 }
 578
 579
 580 void GuiCharacter::saveSession(QSettings & settings) const
 581 {
 582         Dialog::saveSession(settings);
 583         settings.setValue(sessionKey() + "/autoapply", autoapplyCB->isChecked());
 584 }
 585
 586
 587 void GuiCharacter::restoreSession()
 588 {
 589         Dialog::restoreSession();
 590         QSettings settings;
 591         autoapplyCB->setChecked(
 592                 settings.value(sessionKey() + "/autoapply").toBool());
 593 }
 594
 595
 596 Dialog * createGuiCharacter(GuiView & lv) { return new GuiCharacter(lv); }
 597
 598
 599 } // namespace frontend
 600 } // namespace lyx
 601
 602 #include "moc_GuiCharacter.cpp"