src/frontends/qt4/GuiGraphics.cpp

   1 /**
   2  * \file GuiGraphics.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 John Levon
   8  * \author Edwin Leuven
   9  * \author Herbert Voß
  10  * \author Richard Heck
  11  *
  12  * Full author contact details are available in file CREDITS.
  13  */
  14
  15 #include <config.h>
  16
  17 #include "GuiGraphics.h"
  18
  19 #include "GuiGraphics.h"
  20 #include "debug.h"
  21 #include "LengthCombo.h"
  22 #include "lengthcommon.h"
  23 #include "LyXRC.h"
  24 #include "qt_helpers.h"
  25 #include "Validator.h"
  26 #include "frontend_helpers.h"
  27
  28 #include "FuncRequest.h"
  29 #include "gettext.h"
  30
  31 #include "graphics/GraphicsCache.h"
  32 #include "graphics/GraphicsCacheItem.h"
  33 #include "graphics/GraphicsImage.h"
  34
  35 #include "insets/InsetGraphicsParams.h"
  36
  37 #include "support/convert.h"
  38 #include "support/FileFilterList.h"
  39 #include "support/filetools.h"
  40 #include "support/lstrings.h"
  41 #include "support/lyxlib.h"
  42 #include "support/os.h"
  43 #include "support/Package.h"
  44 #include "support/types.h"
  45
  46 #include <boost/bind.hpp>
  47
  48 #include <QCheckBox>
  49 #include <QCloseEvent>
  50 #include <QLabel>
  51 #include <QLineEdit>
  52 #include <QPushButton>
  53 #include <QValidator>
  54
  55 #include <algorithm>
  56 #include <cmath>
  57 #include <utility>
  58
  59 #ifndef CXX_GLOBAL_CSTD
  60 using std::floor;
  61 #endif
  62 using std::find;
  63 using std::vector;
  64 using std::string;
  65 using std::transform;
  66 using std::make_pair;
  67 using std::pair;
  68 using std::vector;
  69
  70 namespace lyx {
  71 namespace frontend {
  72
  73 using support::addName;
  74 using support::FileFilterList;
  75 using support::FileName;
  76 using support::float_equal;
  77 using support::makeAbsPath;
  78 using support::os::internal_path;
  79 using support::package;
  80 using support::readBB_from_PSFile;
  81 using support::token;
  82
  83
  84 //FIXME setAutoTextCB should really take an argument, as indicated, that
  85 //determines what text is to be written for "auto". But making
  86 //that work involves more extensive revisions than we now want
  87 //to make, since "auto" also appears in updateContents() (see
  88 //GuiGraphics.cpp).
  89 //The right way to do this, I think, would be to define a class
  90 //checkedLengthSet (and a partnering labeledLengthSete) that encapsulated
  91 //the checkbox, line edit, and length combo together, and then made e.g.
  92 //lengthToWidgets, widgetsToLength, etc, all public methods of that class.
  93 //Perhaps even the validator could be exposed through it.
  94 /**
  95  * sets a checkbox-line edit-length combo group, using "text" if the
  96  * checkbox is unchecked and clearing the line edit if it previously
  97  * said "text".
  98 */
  99 void setAutoTextCB(QCheckBox * checkBox, QLineEdit * lineEdit,
 100         LengthCombo * lengthCombo/*, string text = "auto"*/)
 101 {
 102         if (!checkBox->isChecked())
 103                 lengthToWidgets(lineEdit, lengthCombo,
 104                                 "auto", lengthCombo->currentLengthItem());
 105         else if (lineEdit->text() == "auto")
 106                 lengthToWidgets(lineEdit, lengthCombo, string(),
 107                                 lengthCombo->currentLengthItem());
 108 }
 109
 110
 111
 112 template<class Pair>
 113 vector<typename Pair::first_type> const
 114 getFirst(vector<Pair> const & pr)
 115 {
 116         vector<typename Pair::first_type> tmp(pr.size());
 117         transform(pr.begin(), pr.end(), tmp.begin(),
 118                   boost::bind(&Pair::first, _1));
 119         return tmp;
 120 }
 121
 122 ///
 123 template<class Pair>
 124 vector<typename Pair::second_type> const
 125 getSecond(vector<Pair> const & pr)
 126 {
 127          vector<typename Pair::second_type> tmp(pr.size());
 128          transform(pr.begin(), pr.end(), tmp.begin(),
 129                    boost::bind(&Pair::second, _1));
 130          return tmp;
 131 }
 132
 133 GuiGraphics::GuiGraphics(LyXView & lv)
 134         : GuiDialog(lv, "graphics")
 135 {
 136         setupUi(this);
 137         setViewTitle(_("Graphics"));
 138
 139         //main buttons
 140         connect(okPB, SIGNAL(clicked()), this, SLOT(slotOK()));
 141         connect(applyPB, SIGNAL(clicked()), this, SLOT(slotApply()));
 142         connect(closePB, SIGNAL(clicked()), this, SLOT(slotClose()));
 143         connect(restorePB, SIGNAL(clicked()), this, SLOT(slotRestore()));
 144
 145         //graphics pane
 146         connect(filename, SIGNAL(textChanged(const QString &)),
 147                 this, SLOT(change_adaptor()));
 148         connect(WidthCB, SIGNAL( clicked()),
 149                 this, SLOT(change_adaptor()));
 150         connect(HeightCB, SIGNAL( clicked()),
 151                 this, SLOT(change_adaptor()));
 152         connect(Width, SIGNAL(textChanged(const QString &)),
 153                 this, SLOT(change_adaptor()));
 154         connect(Height, SIGNAL(textChanged(const QString &)),
 155                 this, SLOT(change_adaptor()));
 156         connect(heightUnit, SIGNAL(selectionChanged(lyx::Length::UNIT)),
 157                 this, SLOT(change_adaptor()));
 158         connect(widthUnit, SIGNAL(selectionChanged(lyx::Length::UNIT)),
 159                 this, SLOT(change_adaptor()));
 160         connect(aspectratio, SIGNAL(stateChanged(int)),
 161                 this, SLOT(change_adaptor()));
 162         connect(angle, SIGNAL(textChanged(const QString &)),
 163                 this, SLOT(change_adaptor()));
 164         connect(origin, SIGNAL(activated(int)),
 165                 this, SLOT(change_adaptor()));
 166         connect(scaleCB, SIGNAL(clicked()),
 167                 this, SLOT(change_adaptor()));
 168         connect(Scale, SIGNAL(textChanged(const QString &)),
 169                 this, SLOT(change_adaptor()));
 170         connect(rotateOrderCB, SIGNAL(clicked()),
 171                 this, SLOT(change_adaptor()));
 172
 173         filename->setValidator(new PathValidator(true, filename));
 174         setFocusProxy(filename);
 175
 176         QDoubleValidator * scaleValidator = new DoubleAutoValidator(Scale);
 177         scaleValidator->setBottom(0);
 178         scaleValidator->setDecimals(256); //I guess that will do
 179         Scale->setValidator(scaleValidator);
 180         Height->setValidator(unsignedLengthAutoValidator(Height));
 181         Width->setValidator(unsignedLengthAutoValidator(Width));
 182         angle->setValidator(new QDoubleValidator(-360, 360, 2, angle));
 183
 184         //clipping pane
 185         connect(clip, SIGNAL(stateChanged(int)),
 186                 this, SLOT(change_adaptor()));
 187         connect(lbY, SIGNAL(textChanged(const QString&)),
 188                 this, SLOT(change_bb()));
 189         connect(lbYunit, SIGNAL(activated(int)),
 190                 this, SLOT(change_bb()));
 191         connect(rtY, SIGNAL(textChanged(const QString&)),
 192                 this, SLOT(change_bb()));
 193         connect(rtYunit, SIGNAL(activated(int)),
 194                 this, SLOT(change_bb()));
 195         connect(lbX, SIGNAL(textChanged(const QString&)),
 196                 this, SLOT(change_bb()));
 197         connect(lbXunit, SIGNAL(activated(int)),
 198                 this, SLOT(change_bb()));
 199         connect(rtX, SIGNAL(textChanged(const QString&)),
 200                 this, SLOT(change_bb()));
 201         connect(rtXunit, SIGNAL(activated(int)),
 202                 this, SLOT(change_bb()));
 203         connect(getPB, SIGNAL(clicked()),
 204                 this, SLOT(change_adaptor()));
 205
 206         lbX->setValidator(new QDoubleValidator(lbX));
 207         lbY->setValidator(new QDoubleValidator(lbY));
 208         rtX->setValidator(new QDoubleValidator(rtX));
 209         rtY->setValidator(new QDoubleValidator(rtY));
 210
 211         //extra options pane
 212         connect(latexoptions, SIGNAL(textChanged(const QString&)),
 213                 this, SLOT(change_adaptor()));
 214         connect(draftCB, SIGNAL(stateChanged(int)),
 215                 this, SLOT(change_adaptor()));
 216         connect(unzipCB, SIGNAL(stateChanged(int)),
 217                 this, SLOT(change_adaptor()));
 218         // FIXME: we should connect to clicked() when we move to Qt 4.2 because
 219         // the toggled(bool) signal is also trigged when we update the widgets
 220         // (rgh-4/07) this isn't as much or a problem as it was, because we're now
 221         // using blockSignals() to keep from triggering that signal when we call
 222         // setChecked(). Note, too, that clicked() would get called whenever it
 223         // is clicked, even right clicked (I think), not just whenever it is
 224         // toggled.
 225         connect(subfigure, SIGNAL(toggled(bool)),
 226                 this, SLOT(change_adaptor()));
 227         connect(subcaption, SIGNAL(textChanged(const QString&)),
 228                 this, SLOT(change_adaptor()));
 229         connect(displayGB, SIGNAL(toggled(bool)),
 230                 this, SLOT(change_adaptor()));
 231         connect(showCB, SIGNAL(currentIndexChanged(int)),
 232                 this, SLOT(change_adaptor()));
 233         connect(displayscale, SIGNAL(textChanged(const QString&)),
 234                 this, SLOT(change_adaptor()));
 235         displayscale->setValidator(new QIntValidator(displayscale));
 236
 237         bc().setPolicy(ButtonPolicy::NoRepeatedApplyReadOnlyPolicy);
 238         bc().setOK(okPB);
 239         bc().setApply(applyPB);
 240         bc().setRestore(restorePB);
 241         bc().setCancel(closePB);
 242
 243         bc().addReadOnly(latexoptions);
 244         bc().addReadOnly(subfigure);
 245         bc().addReadOnly(filenameL);
 246         bc().addReadOnly(filename);
 247         bc().addReadOnly(browsePB);
 248         bc().addReadOnly(unzipCB);
 249         bc().addReadOnly(bbFrame);
 250         bc().addReadOnly(draftCB);
 251         bc().addReadOnly(clip);
 252         bc().addReadOnly(unzipCB);
 253         bc().addReadOnly(displayGB);
 254         bc().addReadOnly(sizeGB);
 255         bc().addReadOnly(rotationGB);
 256         bc().addReadOnly(latexoptions);
 257         bc().addReadOnly(getPB);
 258         bc().addReadOnly(rotateOrderCB);
 259
 260         // initialize the length validator
 261         bc().addCheckedLineEdit(Scale, scaleCB);
 262         bc().addCheckedLineEdit(Width, WidthCB);
 263         bc().addCheckedLineEdit(Height, HeightCB);
 264         bc().addCheckedLineEdit(displayscale, scaleLA);
 265         bc().addCheckedLineEdit(angle, angleL);
 266         bc().addCheckedLineEdit(lbX, xL);
 267         bc().addCheckedLineEdit(lbY, yL);
 268         bc().addCheckedLineEdit(rtX, xL_2);
 269         bc().addCheckedLineEdit(rtY, yL_2);
 270         bc().addCheckedLineEdit(filename, filenameL);
 271 }
 272
 273
 274 void GuiGraphics::change_adaptor()
 275 {
 276         changed();
 277 }
 278
 279
 280 void GuiGraphics::change_bb()
 281 {
 282         bbChanged = true;
 283         LYXERR(Debug::GRAPHICS) << "[bb_Changed set to true]\n";
 284         changed();
 285 }
 286
 287
 288 void GuiGraphics::closeEvent(QCloseEvent * e)
 289 {
 290         slotClose();
 291         GuiDialog::closeEvent(e);
 292 }
 293
 294
 295 void GuiGraphics::on_browsePB_clicked()
 296 {
 297         docstring const str = browse(qstring_to_ucs4(filename->text()));
 298         if (!str.empty()) {
 299                 filename->setText(toqstr(str));
 300                 embedCB->setCheckState(Qt::Unchecked);
 301                 changed();
 302         }
 303 }
 304
 305
 306 void GuiGraphics::on_getPB_clicked()
 307 {
 308         getBB();
 309 }
 310
 311
 312 void GuiGraphics::on_editPB_clicked()
 313 {
 314         editGraphics();
 315 }
 316
 317
 318 void GuiGraphics::on_filename_textChanged(const QString & filename)
 319 {
 320         editPB->setDisabled(filename.isEmpty());
 321 }
 322
 323
 324 void GuiGraphics::setAutoText()
 325 {
 326         if (scaleCB->isChecked())
 327                 return;
 328         if (!Scale->isEnabled() && Scale->text() != "100")
 329                 Scale->setText(QString("auto"));
 330
 331         setAutoTextCB(WidthCB, Width, widthUnit);
 332         setAutoTextCB(HeightCB, Height, heightUnit);
 333 }
 334
 335
 336 void GuiGraphics::on_scaleCB_toggled(bool setScale)
 337 {
 338         Scale->setEnabled(setScale);
 339         if (setScale) {
 340                 Scale->setText("100");
 341                 Scale->setFocus(Qt::OtherFocusReason);
 342         }
 343
 344         WidthCB->setDisabled(setScale);
 345         WidthCB->blockSignals(true);
 346         WidthCB->setChecked(false);
 347         WidthCB->blockSignals(false);
 348         Width->setEnabled(false);
 349         widthUnit->setEnabled(false);
 350
 351         HeightCB->setDisabled(setScale);
 352         HeightCB->blockSignals(true);
 353         HeightCB->setChecked(false);
 354         HeightCB->blockSignals(false);
 355         Height->setEnabled(false);
 356         heightUnit->setEnabled(false);
 357
 358         aspectratio->setDisabled(true);
 359         aspectratio->setChecked(true);
 360
 361         rotateOrderCB->setEnabled((WidthCB->isChecked() ||
 362                                  HeightCB->isChecked() ||
 363                                  scaleCB->isChecked()) &&
 364                                  (angle->text() != "0"));
 365
 366         setAutoText();
 367 }
 368
 369
 370 void GuiGraphics::on_WidthCB_toggled(bool setWidth)
 371 {
 372         Width->setEnabled(setWidth);
 373         widthUnit->setEnabled(setWidth);
 374         if (setWidth)
 375                 Width->setFocus(Qt::OtherFocusReason);
 376
 377         bool const setHeight = HeightCB->isChecked();
 378         aspectratio->setEnabled(setWidth && setHeight);
 379         aspectratio->blockSignals(true);
 380         aspectratio->setChecked(!(setWidth && setHeight));
 381         aspectratio->blockSignals(false);
 382
 383         scaleCB->setEnabled(!setWidth && !setHeight);
 384         //already will be unchecked, so don't need to do that
 385         Scale->setEnabled((!setWidth && !setHeight) //=scaleCB->isEnabled()
 386                         && scaleCB->isChecked()); //should be false, but let's check
 387         rotateOrderCB->setEnabled((setWidth || setHeight ||
 388                                  scaleCB->isChecked()) &&
 389                                  (angle->text() != "0"));
 390
 391         setAutoText();
 392 }
 393
 394
 395 void GuiGraphics::on_HeightCB_toggled(bool setHeight)
 396 {
 397         Height->setEnabled(setHeight);
 398         heightUnit->setEnabled(setHeight);
 399         if (setHeight)
 400                 Height->setFocus(Qt::OtherFocusReason);
 401
 402         bool const setWidth = WidthCB->isChecked();
 403         aspectratio->setEnabled(setWidth && setHeight);
 404         aspectratio->blockSignals(true);
 405         aspectratio->setChecked(!(setWidth && setHeight));
 406         aspectratio->blockSignals(false);
 407
 408         scaleCB->setEnabled(!setWidth && !setHeight);
 409         //already unchecked
 410         Scale->setEnabled((!setWidth && !setHeight) //=scaleCB->isEnabled()
 411                 && scaleCB->isChecked()); //should be false
 412         rotateOrderCB->setEnabled((setWidth || setHeight ||
 413                                  scaleCB->isChecked()) &&
 414                                  (angle->text() != "0"));
 415
 416         setAutoText();
 417 }
 418
 419
 420 void GuiGraphics::on_angle_textChanged(const QString & filename)
 421 {
 422         rotateOrderCB->setEnabled((WidthCB->isChecked() ||
 423                                  HeightCB->isChecked() ||
 424                                  scaleCB->isChecked()) &&
 425                                  (filename != "0"));
 426 }
 427
 428 // returns the number of the string s in the vector v
 429 static int getItemNo(const vector<string> & v, string const & s)
 430 {
 431         vector<string>::const_iterator cit =
 432                     find(v.begin(), v.end(), s);
 433         return (cit != v.end()) ? int(cit - v.begin()) : 0;
 434 }
 435
 436
 437 void GuiGraphics::updateContents()
 438 {
 439         // clear and fill in the comboboxes
 440         vector<string> const bb_units = frontend::getBBUnits();
 441         lbXunit->clear();
 442         lbYunit->clear();
 443         rtXunit->clear();
 444         rtYunit->clear();
 445         for (vector<string>::const_iterator it = bb_units.begin();
 446             it != bb_units.end(); ++it) {
 447                 lbXunit->addItem(toqstr(*it));
 448                 lbYunit->addItem(toqstr(*it));
 449                 rtXunit->addItem(toqstr(*it));
 450                 rtYunit->addItem(toqstr(*it));
 451         }
 452
 453         InsetGraphicsParams & igp = params_;
 454
 455         // set the right default unit
 456         Length::UNIT unitDefault = Length::CM;
 457         switch (lyxrc.default_papersize) {
 458                 case PAPER_USLETTER:
 459                 case PAPER_USLEGAL:
 460                 case PAPER_USEXECUTIVE:
 461                         unitDefault = Length::IN;
 462                         break;
 463                 default:
 464                         break;
 465         }
 466
 467         string const name =
 468                 igp.filename.outputFilename(bufferFilepath());
 469         filename->setText(toqstr(name));
 470     embedCB->setCheckState(igp.filename.embedded() ? Qt::Checked : Qt::Unchecked);
 471
 472         // set the bounding box values
 473         if (igp.bb.empty()) {
 474                 string const bb = readBB(igp.filename.absFilename());
 475                 // the values from the file always have the bigpoint-unit bp
 476                 lbX->setText(toqstr(token(bb, ' ', 0)));
 477                 lbY->setText(toqstr(token(bb, ' ', 1)));
 478                 rtX->setText(toqstr(token(bb, ' ', 2)));
 479                 rtY->setText(toqstr(token(bb, ' ', 3)));
 480                 lbXunit->setCurrentIndex(0);
 481                 lbYunit->setCurrentIndex(0);
 482                 rtXunit->setCurrentIndex(0);
 483                 rtYunit->setCurrentIndex(0);
 484                 bbChanged = false;
 485         } else {
 486                 // get the values from the inset
 487                 Length anyLength;
 488                 string const xl = token(igp.bb, ' ', 0);
 489                 string const yl = token(igp.bb, ' ', 1);
 490                 string const xr = token(igp.bb, ' ', 2);
 491                 string const yr = token(igp.bb, ' ', 3);
 492                 if (isValidLength(xl, &anyLength)) {
 493                         lbX->setText(toqstr(convert<string>(anyLength.value())));
 494                         string const unit(unit_name[anyLength.unit()]);
 495                         lbXunit->setCurrentIndex(getItemNo(bb_units, unit));
 496                 } else {
 497                         lbX->setText(toqstr(xl));
 498                 }
 499                 if (isValidLength(yl, &anyLength)) {
 500                         lbY->setText(toqstr(convert<string>(anyLength.value())));
 501                         string const unit(unit_name[anyLength.unit()]);
 502                         lbYunit->setCurrentIndex(getItemNo(bb_units, unit));
 503                 } else {
 504                         lbY->setText(toqstr(xl));
 505                 }
 506                 if (isValidLength(xr, &anyLength)) {
 507                         rtX->setText(toqstr(convert<string>(anyLength.value())));
 508                         string const unit(unit_name[anyLength.unit()]);
 509                         rtXunit->setCurrentIndex(getItemNo(bb_units, unit));
 510                 } else {
 511                         rtX->setText(toqstr(xl));
 512                 }
 513                 if (isValidLength(yr, &anyLength)) {
 514                         rtY->setText(toqstr(convert<string>(anyLength.value())));
 515                         string const unit(unit_name[anyLength.unit()]);
 516                         rtYunit->setCurrentIndex(getItemNo(bb_units, unit));
 517                 } else {
 518                         rtY->setText(toqstr(xl));
 519                 }
 520                 bbChanged = true;
 521         }
 522
 523         // Update the draft and clip mode
 524         draftCB->setChecked(igp.draft);
 525         clip->setChecked(igp.clip);
 526         unzipCB->setChecked(igp.noUnzip);
 527
 528         // Update the subcaption check button and input field
 529         subfigure->setChecked(igp.subcaption);
 530         subcaption->setText(toqstr(igp.subcaptionText));
 531
 532         int item = 0;
 533         switch (igp.display) {
 534                 case graphics::DefaultDisplay: item = 0; break;
 535                 case graphics::MonochromeDisplay: item = 1; break;
 536                 case graphics::GrayscaleDisplay: item = 2; break;
 537                 case graphics::ColorDisplay: item = 3; break;
 538                 case graphics::NoDisplay: item = 0; break;
 539         }
 540         showCB->setCurrentIndex(item);
 541         displayscale->setText(toqstr(convert<string>(igp.lyxscale)));
 542         displayGB->setChecked(igp.display != graphics::NoDisplay);
 543
 544         // the output section (width/height)
 545
 546         Scale->setText(toqstr(igp.scale));
 547         //igp.scale defaults to 100, so we treat it as empty
 548         bool const scaleChecked = !igp.scale.empty() && igp.scale != "100";
 549         scaleCB->blockSignals(true);
 550         scaleCB->setChecked(scaleChecked);
 551         scaleCB->blockSignals(false);
 552         Scale->setEnabled(scaleChecked);
 553
 554         lengthAutoToWidgets(Width, widthUnit, igp.width,
 555                 unitDefault);
 556         bool const widthChecked = !Width->text().isEmpty() &&
 557                 Width->text() != "auto";
 558         WidthCB->blockSignals(true);
 559         WidthCB->setChecked(widthChecked);
 560         WidthCB->blockSignals(false);
 561         Width->setEnabled(widthChecked);
 562         widthUnit->setEnabled(widthChecked);
 563
 564         lengthAutoToWidgets(Height, heightUnit, igp.height,
 565                 unitDefault);
 566         bool const heightChecked = !Height->text().isEmpty()
 567                 && Height->text() != "auto";
 568         HeightCB->blockSignals(true);
 569         HeightCB->setChecked(heightChecked);
 570         HeightCB->blockSignals(false);
 571         Height->setEnabled(heightChecked);
 572         heightUnit->setEnabled(heightChecked);
 573
 574         scaleCB->setEnabled(!widthChecked && !heightChecked);
 575         WidthCB->setEnabled(!scaleChecked);
 576         HeightCB->setEnabled(!scaleChecked);
 577         aspectratio->setEnabled(widthChecked && heightChecked);
 578
 579         setAutoText();
 580
 581         angle->setText(toqstr(igp.rotateAngle));
 582         rotateOrderCB->setChecked(igp.scaleBeforeRotation);
 583
 584         rotateOrderCB->setEnabled( (widthChecked || heightChecked || scaleChecked)
 585                 && igp.rotateAngle != "0");
 586
 587         origin->clear();
 588
 589         vector<RotationOriginPair> origindata = getRotationOriginData();
 590         vector<docstring> const origin_lang = getFirst(origindata);
 591         origin_ltx = getSecond(origindata);
 592
 593         for (vector<docstring>::const_iterator it = origin_lang.begin();
 594             it != origin_lang.end(); ++it)
 595                 origin->addItem(toqstr(*it));
 596
 597         if (!igp.rotateOrigin.empty())
 598                 origin->setCurrentIndex(
 599                         getItemNo(origin_ltx, igp.rotateOrigin));
 600         else
 601                 origin->setCurrentIndex(0);
 602
 603         // disable edit button when no filename is present
 604         editPB->setDisabled(filename->text().isEmpty());
 605
 606         //// latex section
 607         latexoptions->setText(toqstr(igp.special));
 608 }
 609
 610
 611 void GuiGraphics::applyView()
 612 {
 613         InsetGraphicsParams & igp = params_;
 614
 615         igp.filename.set(internal_path(fromqstr(filename->text())),
 616                          bufferFilepath());
 617         igp.filename.setEmbed(embedCB->checkState() == Qt::Checked);
 618
 619         // the bb section
 620         igp.bb.erase();
 621         if (bbChanged) {
 622                 string bb;
 623                 string lbXs = fromqstr(lbX->text());
 624                 string lbYs = fromqstr(lbY->text());
 625                 string rtXs = fromqstr(rtX->text());
 626                 string rtYs = fromqstr(rtY->text());
 627                 int bb_sum =
 628                         convert<int>(lbXs) + convert<int>(lbYs) +
 629                         convert<int>(rtXs) + convert<int>(rtXs);
 630                 if (bb_sum) {
 631                         if (lbXs.empty())
 632                                 bb = "0 ";
 633                         else
 634                                 bb = lbXs + fromqstr(lbXunit->currentText()) + ' ';
 635                         if (lbYs.empty())
 636                                 bb += "0 ";
 637                         else
 638                                 bb += (lbYs + fromqstr(lbYunit->currentText()) + ' ');
 639                         if (rtXs.empty())
 640                                 bb += "0 ";
 641                         else
 642                                 bb += (rtXs + fromqstr(rtXunit->currentText()) + ' ');
 643                         if (rtYs.empty())
 644                                 bb += '0';
 645                         else
 646                                 bb += (rtYs + fromqstr(rtYunit->currentText()));
 647                         igp.bb = bb;
 648                 }
 649         }
 650
 651         igp.draft = draftCB->isChecked();
 652         igp.clip = clip->isChecked();
 653         igp.subcaption = subfigure->isChecked();
 654         igp.subcaptionText = fromqstr(subcaption->text());
 655
 656         switch (showCB->currentIndex()) {
 657                 case 0: igp.display = graphics::DefaultDisplay; break;
 658                 case 1: igp.display = graphics::MonochromeDisplay; break;
 659                 case 2: igp.display = graphics::GrayscaleDisplay; break;
 660                 case 3: igp.display = graphics::ColorDisplay; break;
 661                 default:;
 662         }
 663
 664         if (!displayGB->isChecked())
 665                 igp.display = graphics::NoDisplay;
 666
 667         //the graphics section
 668         if (scaleCB->isChecked() && !Scale->text().isEmpty()) {
 669                 igp.scale = fromqstr(Scale->text());
 670                 igp.width = Length("0pt");
 671                 igp.height = Length("0pt");
 672                 igp.keepAspectRatio = false;
 673         } else {
 674                 igp.scale = string();
 675                 igp.width = WidthCB->isChecked() ?
 676                         //Note that this works even if Width is "auto", since in
 677                         //that case we get "0pt".
 678                         Length(widgetsToLength(Width, widthUnit)):
 679                         Length("0pt");
 680                 igp.height = HeightCB->isChecked() ?
 681                         Length(widgetsToLength(Height, heightUnit)) :
 682                         Length("0pt");
 683                 igp.keepAspectRatio = aspectratio->isEnabled() &&
 684                         aspectratio->isChecked() &&
 685                         igp.width.value() > 0 && igp.height.value() > 0;
 686         }
 687
 688         igp.noUnzip = unzipCB->isChecked();
 689         igp.lyxscale = displayscale->text().toInt();
 690         igp.rotateAngle = fromqstr(angle->text());
 691
 692         double rotAngle = convert<double>(igp.rotateAngle);
 693         if (std::abs(rotAngle) > 360.0) {
 694                 rotAngle -= 360.0 * floor(rotAngle / 360.0);
 695                 igp.rotateAngle = convert<string>(rotAngle);
 696         }
 697
 698         // save the latex name for the origin. If it is the default
 699         // then origin_ltx returns ""
 700         igp.rotateOrigin = origin_ltx[origin->currentIndex()];
 701         igp.scaleBeforeRotation = rotateOrderCB->isChecked();
 702
 703         // more latex options
 704         igp.special = fromqstr(latexoptions->text());
 705 }
 706
 707
 708 void GuiGraphics::getBB()
 709 {
 710         string const fn = fromqstr(filename->text());
 711         if (!fn.empty()) {
 712                 string const bb = readBB(fn);
 713                 if (!bb.empty()) {
 714                         lbX->setText(toqstr(token(bb, ' ', 0)));
 715                         lbY->setText(toqstr(token(bb, ' ', 1)));
 716                         rtX->setText(toqstr(token(bb, ' ', 2)));
 717                         rtY->setText(toqstr(token(bb, ' ', 3)));
 718                         // the default units for the bb values when reading
 719                         // it from the file
 720                         lbXunit->setCurrentIndex(0);
 721                         lbYunit->setCurrentIndex(0);
 722                         rtXunit->setCurrentIndex(0);
 723                         rtYunit->setCurrentIndex(0);
 724                 }
 725                 bbChanged = false;
 726         }
 727 }
 728
 729
 730 bool GuiGraphics::isValid()
 731 {
 732         return !filename->text().isEmpty();
 733 }
 734
 735
 736 bool GuiGraphics::initialiseParams(string const & data)
 737 {
 738         InsetGraphicsMailer::string2params(data, buffer(), params_);
 739         return true;
 740 }
 741
 742
 743 void GuiGraphics::clearParams()
 744 {
 745         params_ = InsetGraphicsParams();
 746 }
 747
 748
 749 void GuiGraphics::dispatchParams()
 750 {
 751         InsetGraphicsParams tmp_params(params_);
 752         string const lfun =
 753                 InsetGraphicsMailer::params2string(tmp_params, buffer());
 754         dispatch(FuncRequest(getLfun(), lfun));
 755 }
 756
 757
 758 docstring const GuiGraphics::browse(docstring const & in_name) const
 759 {
 760         docstring const title = _("Select graphics file");
 761
 762         // Does user clipart directory exist?
 763         string clipdir = addName(package().user_support().absFilename(), "clipart");
 764         FileName clip(clipdir);
 765         if (!clip.exists() && clip.isDirectory())
 766                 // No - bail out to system clipart directory
 767                 clipdir = addName(package().system_support().absFilename(), "clipart");
 768         pair<docstring, docstring> dir1(_("Clipart|#C#c"), from_utf8(clipdir));
 769         pair<docstring, docstring> dir2(_("Documents|#o#O"), from_utf8(lyxrc.document_path));
 770         // Show the file browser dialog
 771         return browseRelFile(in_name, from_utf8(bufferFilepath()),
 772                 title, FileFilterList(), false, dir1, dir2);
 773 }
 774
 775
 776 string const GuiGraphics::readBB(string const & file)
 777 {
 778         FileName const abs_file = makeAbsPath(file, bufferFilepath());
 779
 780         // try to get it from the file, if possible. Zipped files are
 781         // unzipped in the readBB_from_PSFile-Function
 782         string const bb = readBB_from_PSFile(abs_file);
 783         if (!bb.empty())
 784                 return bb;
 785
 786         // we don't, so ask the Graphics Cache if it has loaded the file
 787         int width = 0;
 788         int height = 0;
 789
 790         graphics::Cache & gc = graphics::Cache::get();
 791         if (gc.inCache(abs_file)) {
 792                 graphics::Image const * image = gc.item(abs_file)->image();
 793
 794                 if (image) {
 795                         width  = image->getWidth();
 796                         height = image->getHeight();
 797                 }
 798         }
 799
 800         return ("0 0 " + convert<string>(width) + ' ' + convert<string>(height));
 801 }
 802
 803
 804 bool GuiGraphics::isFilenameValid(string const & fname) const
 805 {
 806         // It may be that the filename is relative.
 807         return makeAbsPath(fname, bufferFilepath()).isReadable();
 808 }
 809
 810
 811 void GuiGraphics::editGraphics()
 812 {
 813         applyView();
 814         string const lfun =
 815                 InsetGraphicsMailer::params2string(params_, buffer());
 816         dispatch(FuncRequest(LFUN_GRAPHICS_EDIT, lfun));
 817 }
 818
 819
 820 namespace {
 821
 822 char const * const bb_units[] = { "bp", "cm", "mm", "in" };
 823 size_t const bb_size = sizeof(bb_units) / sizeof(char *);
 824
 825 // These are the strings that are stored in the LyX file and which
 826 // correspond to the LaTeX identifiers shown in the comments at the
 827 // end of each line.
 828 char const * const rorigin_lyx_strs[] = {
 829         // the LaTeX default is leftBaseline
 830         "",
 831         "leftTop",  "leftBottom", "leftBaseline", // lt lb lB
 832         "center", "centerTop", "centerBottom", "centerBaseline", // c ct cb cB
 833         "rightTop", "rightBottom", "rightBaseline" }; // rt rb rB
 834
 835 // These are the strings, corresponding to the above, that the GUI should
 836 // use. Note that they can/should be translated.
 837 char const * const rorigin_gui_strs[] = {
 838         N_("Default"),
 839         N_("Top left"), N_("Bottom left"), N_("Baseline left"),
 840         N_("Center"), N_("Top center"), N_("Bottom center"), N_("Baseline center"),
 841         N_("Top right"), N_("Bottom right"), N_("Baseline right") };
 842
 843 size_t const rorigin_size = sizeof(rorigin_lyx_strs) / sizeof(char *);
 844
 845 } // namespace anon
 846
 847
 848 vector<string> const getBBUnits()
 849 {
 850         return vector<string>(bb_units, bb_units + bb_size);
 851 }
 852
 853
 854 vector<RotationOriginPair> getRotationOriginData()
 855 {
 856         static vector<RotationOriginPair> data;
 857         if (!data.empty())
 858                 return data;
 859
 860         data.resize(rorigin_size);
 861         for (size_type i = 0; i < rorigin_size; ++i) {
 862                 data[i] = make_pair(_(rorigin_gui_strs[i]),
 863                                     rorigin_lyx_strs[i]);
 864         }
 865
 866         return data;
 867 }
 868
 869
 870 Dialog * createGuiGraphics(LyXView & lv) { return new GuiGraphics(lv); }
 871
 872
 873 } // namespace frontend
 874 } // namespace lyx
 875
 876 #include "GuiGraphics_moc.cpp"