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 "debug.h"
  20 #include "LengthCombo.h"
  21 #include "Length.h"
  22 #include "LyXRC.h"
  23 #include "qt_helpers.h"
  24 #include "Validator.h"
  25 #include "frontend_helpers.h"
  26
  27 #include "FuncRequest.h"
  28 #include "gettext.h"
  29
  30 #include "graphics/GraphicsCache.h"
  31 #include "graphics/GraphicsCacheItem.h"
  32 #include "graphics/GraphicsImage.h"
  33
  34 #include "insets/InsetGraphicsParams.h"
  35
  36 #include "support/convert.h"
  37 #include "support/FileFilterList.h"
  38 #include "support/filetools.h"
  39 #include "support/lstrings.h"
  40 #include "support/lyxlib.h"
  41 #include "support/os.h"
  42 #include "support/Package.h"
  43 #include "support/types.h"
  44
  45 #include <boost/bind.hpp>
  46
  47 #include <QCheckBox>
  48 #include <QCloseEvent>
  49 #include <QLabel>
  50 #include <QLineEdit>
  51 #include <QPushButton>
  52 #include <QValidator>
  53
  54 #include <algorithm>
  55 #include <cmath>
  56 #include <utility>
  57
  58 #ifndef CXX_GLOBAL_CSTD
  59 using std::floor;
  60 #endif
  61 using std::find;
  62 using std::vector;
  63 using std::string;
  64 using std::transform;
  65 using std::make_pair;
  66 using std::pair;
  67 using std::vector;
  68
  69 namespace lyx {
  70 namespace frontend {
  71
  72 using support::addName;
  73 using support::FileFilterList;
  74 using support::FileName;
  75 using support::float_equal;
  76 using support::makeAbsPath;
  77 using support::os::internal_path;
  78 using support::package;
  79 using support::readBB_from_PSFile;
  80 using support::token;
  81
  82
  83 //FIXME setAutoTextCB should really take an argument, as indicated, that
  84 //determines what text is to be written for "auto". But making
  85 //that work involves more extensive revisions than we now want
  86 //to make, since "auto" also appears in updateContents() (see
  87 //GuiGraphics.cpp).
  88 //The right way to do this, I think, would be to define a class
  89 //checkedLengthSet (and a partnering labeledLengthSete) that encapsulated
  90 //the checkbox, line edit, and length combo together, and then made e.g.
  91 //lengthToWidgets, widgetsToLength, etc, all public methods of that class.
  92 //Perhaps even the validator could be exposed through it.
  93 /**
  94  * sets a checkbox-line edit-length combo group, using "text" if the
  95  * checkbox is unchecked and clearing the line edit if it previously
  96  * said "text".
  97 */
  98 void setAutoTextCB(QCheckBox * checkBox, QLineEdit * lineEdit,
  99         LengthCombo * lengthCombo/*, string text = "auto"*/)
 100 {
 101         if (!checkBox->isChecked())
 102                 lengthToWidgets(lineEdit, lengthCombo,
 103                                 "auto", lengthCombo->currentLengthItem());
 104         else if (lineEdit->text() == "auto")
 105                 lengthToWidgets(lineEdit, lengthCombo, string(),
 106                                 lengthCombo->currentLengthItem());
 107 }
 108
 109
 110
 111 template<class Pair>
 112 vector<typename Pair::first_type> const
 113 getFirst(vector<Pair> const & pr)
 114 {
 115         vector<typename Pair::first_type> tmp(pr.size());
 116         transform(pr.begin(), pr.end(), tmp.begin(),
 117                   boost::bind(&Pair::first, _1));
 118         return tmp;
 119 }
 120
 121 ///
 122 template<class Pair>
 123 vector<typename Pair::second_type> const
 124 getSecond(vector<Pair> const & pr)
 125 {
 126          vector<typename Pair::second_type> tmp(pr.size());
 127          transform(pr.begin(), pr.end(), tmp.begin(),
 128                    boost::bind(&Pair::second, _1));
 129          return tmp;
 130 }
 131
 132 /// The (tranlated) GUI std::string and it's LaTeX equivalent.
 133 typedef std::pair<docstring, std::string> RotationOriginPair;
 134 ///
 135 std::vector<RotationOriginPair> getRotationOriginData();
 136
 137
 138 GuiGraphics::GuiGraphics(LyXView & lv)
 139         : GuiDialog(lv, "graphics")
 140 {
 141         setupUi(this);
 142         setViewTitle(_("Graphics"));
 143
 144         //main buttons
 145         connect(okPB, SIGNAL(clicked()), this, SLOT(slotOK()));
 146         connect(applyPB, SIGNAL(clicked()), this, SLOT(slotApply()));
 147         connect(closePB, SIGNAL(clicked()), this, SLOT(slotClose()));
 148         connect(restorePB, SIGNAL(clicked()), this, SLOT(slotRestore()));
 149
 150         //graphics pane
 151         connect(filename, SIGNAL(textChanged(const QString &)),
 152                 this, SLOT(change_adaptor()));
 153         connect(WidthCB, SIGNAL( clicked()),
 154                 this, SLOT(change_adaptor()));
 155         connect(HeightCB, SIGNAL( clicked()),
 156                 this, SLOT(change_adaptor()));
 157         connect(Width, SIGNAL(textChanged(const QString &)),
 158                 this, SLOT(change_adaptor()));
 159         connect(Height, SIGNAL(textChanged(const QString &)),
 160                 this, SLOT(change_adaptor()));
 161         connect(heightUnit, SIGNAL(selectionChanged(lyx::Length::UNIT)),
 162                 this, SLOT(change_adaptor()));
 163         connect(widthUnit, SIGNAL(selectionChanged(lyx::Length::UNIT)),
 164                 this, SLOT(change_adaptor()));
 165         connect(aspectratio, SIGNAL(stateChanged(int)),
 166                 this, SLOT(change_adaptor()));
 167         connect(angle, SIGNAL(textChanged(const QString &)),
 168                 this, SLOT(change_adaptor()));
 169         connect(origin, SIGNAL(activated(int)),
 170                 this, SLOT(change_adaptor()));
 171         connect(scaleCB, SIGNAL(clicked()),
 172                 this, SLOT(change_adaptor()));
 173         connect(Scale, SIGNAL(textChanged(const QString &)),
 174                 this, SLOT(change_adaptor()));
 175         connect(rotateOrderCB, SIGNAL(clicked()),
 176                 this, SLOT(change_adaptor()));
 177
 178         filename->setValidator(new PathValidator(true, filename));
 179         setFocusProxy(filename);
 180
 181         QDoubleValidator * scaleValidator = new DoubleAutoValidator(Scale);
 182         scaleValidator->setBottom(0);
 183         scaleValidator->setDecimals(256); //I guess that will do
 184         Scale->setValidator(scaleValidator);
 185         Height->setValidator(unsignedLengthAutoValidator(Height));
 186         Width->setValidator(unsignedLengthAutoValidator(Width));
 187         angle->setValidator(new QDoubleValidator(-360, 360, 2, angle));
 188
 189         //clipping pane
 190         connect(clip, SIGNAL(stateChanged(int)),
 191                 this, SLOT(change_adaptor()));
 192         connect(lbY, SIGNAL(textChanged(const QString&)),
 193                 this, SLOT(change_bb()));
 194         connect(lbYunit, SIGNAL(activated(int)),
 195                 this, SLOT(change_bb()));
 196         connect(rtY, SIGNAL(textChanged(const QString&)),
 197                 this, SLOT(change_bb()));
 198         connect(rtYunit, SIGNAL(activated(int)),
 199                 this, SLOT(change_bb()));
 200         connect(lbX, SIGNAL(textChanged(const QString&)),
 201                 this, SLOT(change_bb()));
 202         connect(lbXunit, SIGNAL(activated(int)),
 203                 this, SLOT(change_bb()));
 204         connect(rtX, SIGNAL(textChanged(const QString&)),
 205                 this, SLOT(change_bb()));
 206         connect(rtXunit, SIGNAL(activated(int)),
 207                 this, SLOT(change_bb()));
 208         connect(getPB, SIGNAL(clicked()),
 209                 this, SLOT(change_adaptor()));
 210
 211         lbX->setValidator(new QDoubleValidator(lbX));
 212         lbY->setValidator(new QDoubleValidator(lbY));
 213         rtX->setValidator(new QDoubleValidator(rtX));
 214         rtY->setValidator(new QDoubleValidator(rtY));
 215
 216         //extra options pane
 217         connect(latexoptions, SIGNAL(textChanged(const QString&)),
 218                 this, SLOT(change_adaptor()));
 219         connect(draftCB, SIGNAL(stateChanged(int)),
 220                 this, SLOT(change_adaptor()));
 221         connect(unzipCB, SIGNAL(stateChanged(int)),
 222                 this, SLOT(change_adaptor()));
 223         // FIXME: we should connect to clicked() when we move to Qt 4.2 because
 224         // the toggled(bool) signal is also trigged when we update the widgets
 225         // (rgh-4/07) this isn't as much or a problem as it was, because we're now
 226         // using blockSignals() to keep from triggering that signal when we call
 227         // setChecked(). Note, too, that clicked() would get called whenever it
 228         // is clicked, even right clicked (I think), not just whenever it is
 229         // toggled.
 230         connect(subfigure, SIGNAL(toggled(bool)),
 231                 this, SLOT(change_adaptor()));
 232         connect(subcaption, SIGNAL(textChanged(const QString&)),
 233                 this, SLOT(change_adaptor()));
 234         connect(displayGB, SIGNAL(toggled(bool)),
 235                 this, SLOT(change_adaptor()));
 236         connect(showCB, SIGNAL(currentIndexChanged(int)),
 237                 this, SLOT(change_adaptor()));
 238         connect(displayscale, SIGNAL(textChanged(const QString&)),
 239                 this, SLOT(change_adaptor()));
 240         displayscale->setValidator(new QIntValidator(displayscale));
 241
 242         bc().setPolicy(ButtonPolicy::NoRepeatedApplyReadOnlyPolicy);
 243         bc().setOK(okPB);
 244         bc().setApply(applyPB);
 245         bc().setRestore(restorePB);
 246         bc().setCancel(closePB);
 247
 248         bc().addReadOnly(latexoptions);
 249         bc().addReadOnly(subfigure);
 250         bc().addReadOnly(filenameL);
 251         bc().addReadOnly(filename);
 252         bc().addReadOnly(browsePB);
 253         bc().addReadOnly(unzipCB);
 254         bc().addReadOnly(bbFrame);
 255         bc().addReadOnly(draftCB);
 256         bc().addReadOnly(clip);
 257         bc().addReadOnly(unzipCB);
 258         bc().addReadOnly(displayGB);
 259         bc().addReadOnly(sizeGB);
 260         bc().addReadOnly(rotationGB);
 261         bc().addReadOnly(latexoptions);
 262         bc().addReadOnly(getPB);
 263         bc().addReadOnly(rotateOrderCB);
 264
 265         // initialize the length validator
 266         bc().addCheckedLineEdit(Scale, scaleCB);
 267         bc().addCheckedLineEdit(Width, WidthCB);
 268         bc().addCheckedLineEdit(Height, HeightCB);
 269         bc().addCheckedLineEdit(displayscale, scaleLA);
 270         bc().addCheckedLineEdit(angle, angleL);
 271         bc().addCheckedLineEdit(lbX, xL);
 272         bc().addCheckedLineEdit(lbY, yL);
 273         bc().addCheckedLineEdit(rtX, xL_2);
 274         bc().addCheckedLineEdit(rtY, yL_2);
 275         bc().addCheckedLineEdit(filename, filenameL);
 276 }
 277
 278
 279 void GuiGraphics::change_adaptor()
 280 {
 281         changed();
 282 }
 283
 284
 285 void GuiGraphics::change_bb()
 286 {
 287         bbChanged = true;
 288         LYXERR(Debug::GRAPHICS) << "[bb_Changed set to true]\n";
 289         changed();
 290 }
 291
 292
 293 void GuiGraphics::closeEvent(QCloseEvent * e)
 294 {
 295         slotClose();
 296         GuiDialog::closeEvent(e);
 297 }
 298
 299
 300 void GuiGraphics::on_browsePB_clicked()
 301 {
 302         docstring const str = browse(qstring_to_ucs4(filename->text()));
 303         if (!str.empty()) {
 304                 filename->setText(toqstr(str));
 305                 embedCB->setCheckState(Qt::Unchecked);
 306                 changed();
 307         }
 308 }
 309
 310
 311 void GuiGraphics::on_getPB_clicked()
 312 {
 313         getBB();
 314 }
 315
 316
 317 void GuiGraphics::on_editPB_clicked()
 318 {
 319         editGraphics();
 320 }
 321
 322
 323 void GuiGraphics::on_filename_textChanged(const QString & filename)
 324 {
 325         editPB->setDisabled(filename.isEmpty());
 326 }
 327
 328
 329 void GuiGraphics::setAutoText()
 330 {
 331         if (scaleCB->isChecked())
 332                 return;
 333         if (!Scale->isEnabled() && Scale->text() != "100")
 334                 Scale->setText(QString("auto"));
 335
 336         setAutoTextCB(WidthCB, Width, widthUnit);
 337         setAutoTextCB(HeightCB, Height, heightUnit);
 338 }
 339
 340
 341 void GuiGraphics::on_scaleCB_toggled(bool setScale)
 342 {
 343         Scale->setEnabled(setScale);
 344         if (setScale) {
 345                 Scale->setText("100");
 346                 Scale->setFocus(Qt::OtherFocusReason);
 347         }
 348
 349         WidthCB->setDisabled(setScale);
 350         WidthCB->blockSignals(true);
 351         WidthCB->setChecked(false);
 352         WidthCB->blockSignals(false);
 353         Width->setEnabled(false);
 354         widthUnit->setEnabled(false);
 355
 356         HeightCB->setDisabled(setScale);
 357         HeightCB->blockSignals(true);
 358         HeightCB->setChecked(false);
 359         HeightCB->blockSignals(false);
 360         Height->setEnabled(false);
 361         heightUnit->setEnabled(false);
 362
 363         aspectratio->setDisabled(true);
 364         aspectratio->setChecked(true);
 365
 366         rotateOrderCB->setEnabled((WidthCB->isChecked() ||
 367                                  HeightCB->isChecked() ||
 368                                  scaleCB->isChecked()) &&
 369                                  (angle->text() != "0"));
 370
 371         setAutoText();
 372 }
 373
 374
 375 void GuiGraphics::on_WidthCB_toggled(bool setWidth)
 376 {
 377         Width->setEnabled(setWidth);
 378         widthUnit->setEnabled(setWidth);
 379         if (setWidth)
 380                 Width->setFocus(Qt::OtherFocusReason);
 381
 382         bool const setHeight = HeightCB->isChecked();
 383         aspectratio->setEnabled(setWidth && setHeight);
 384         aspectratio->blockSignals(true);
 385         aspectratio->setChecked(!(setWidth && setHeight));
 386         aspectratio->blockSignals(false);
 387
 388         scaleCB->setEnabled(!setWidth && !setHeight);
 389         //already will be unchecked, so don't need to do that
 390         Scale->setEnabled((!setWidth && !setHeight) //=scaleCB->isEnabled()
 391                         && scaleCB->isChecked()); //should be false, but let's check
 392         rotateOrderCB->setEnabled((setWidth || setHeight ||
 393                                  scaleCB->isChecked()) &&
 394                                  (angle->text() != "0"));
 395
 396         setAutoText();
 397 }
 398
 399
 400 void GuiGraphics::on_HeightCB_toggled(bool setHeight)
 401 {
 402         Height->setEnabled(setHeight);
 403         heightUnit->setEnabled(setHeight);
 404         if (setHeight)
 405                 Height->setFocus(Qt::OtherFocusReason);
 406
 407         bool const setWidth = WidthCB->isChecked();
 408         aspectratio->setEnabled(setWidth && setHeight);
 409         aspectratio->blockSignals(true);
 410         aspectratio->setChecked(!(setWidth && setHeight));
 411         aspectratio->blockSignals(false);
 412
 413         scaleCB->setEnabled(!setWidth && !setHeight);
 414         //already unchecked
 415         Scale->setEnabled((!setWidth && !setHeight) //=scaleCB->isEnabled()
 416                 && scaleCB->isChecked()); //should be false
 417         rotateOrderCB->setEnabled((setWidth || setHeight ||
 418                                  scaleCB->isChecked()) &&
 419                                  (angle->text() != "0"));
 420
 421         setAutoText();
 422 }
 423
 424
 425 void GuiGraphics::on_angle_textChanged(const QString & filename)
 426 {
 427         rotateOrderCB->setEnabled((WidthCB->isChecked() ||
 428                                  HeightCB->isChecked() ||
 429                                  scaleCB->isChecked()) &&
 430                                  (filename != "0"));
 431 }
 432
 433 // returns the number of the string s in the vector v
 434 static int getItemNo(const vector<string> & v, string const & s)
 435 {
 436         vector<string>::const_iterator cit =
 437                     find(v.begin(), v.end(), s);
 438         return (cit != v.end()) ? int(cit - v.begin()) : 0;
 439 }
 440
 441
 442 void GuiGraphics::updateContents()
 443 {
 444         // clear and fill in the comboboxes
 445         vector<string> const bb_units = frontend::getBBUnits();
 446         lbXunit->clear();
 447         lbYunit->clear();
 448         rtXunit->clear();
 449         rtYunit->clear();
 450         for (vector<string>::const_iterator it = bb_units.begin();
 451             it != bb_units.end(); ++it) {
 452                 lbXunit->addItem(toqstr(*it));
 453                 lbYunit->addItem(toqstr(*it));
 454                 rtXunit->addItem(toqstr(*it));
 455                 rtYunit->addItem(toqstr(*it));
 456         }
 457
 458         InsetGraphicsParams & igp = params_;
 459
 460         // set the right default unit
 461         Length::UNIT unitDefault = Length::CM;
 462         switch (lyxrc.default_papersize) {
 463                 case PAPER_USLETTER:
 464                 case PAPER_USLEGAL:
 465                 case PAPER_USEXECUTIVE:
 466                         unitDefault = Length::IN;
 467                         break;
 468                 default:
 469                         break;
 470         }
 471
 472         string const name =
 473                 igp.filename.outputFilename(bufferFilepath());
 474         filename->setText(toqstr(name));
 475     embedCB->setCheckState(igp.filename.embedded() ? Qt::Checked : Qt::Unchecked);
 476
 477         // set the bounding box values
 478         if (igp.bb.empty()) {
 479                 string const bb = readBB(igp.filename.absFilename());
 480                 // the values from the file always have the bigpoint-unit bp
 481                 lbX->setText(toqstr(token(bb, ' ', 0)));
 482                 lbY->setText(toqstr(token(bb, ' ', 1)));
 483                 rtX->setText(toqstr(token(bb, ' ', 2)));
 484                 rtY->setText(toqstr(token(bb, ' ', 3)));
 485                 lbXunit->setCurrentIndex(0);
 486                 lbYunit->setCurrentIndex(0);
 487                 rtXunit->setCurrentIndex(0);
 488                 rtYunit->setCurrentIndex(0);
 489                 bbChanged = false;
 490         } else {
 491                 // get the values from the inset
 492                 Length anyLength;
 493                 string const xl = token(igp.bb, ' ', 0);
 494                 string const yl = token(igp.bb, ' ', 1);
 495                 string const xr = token(igp.bb, ' ', 2);
 496                 string const yr = token(igp.bb, ' ', 3);
 497                 if (isValidLength(xl, &anyLength)) {
 498                         lbX->setText(toqstr(convert<string>(anyLength.value())));
 499                         string const unit(unit_name[anyLength.unit()]);
 500                         lbXunit->setCurrentIndex(getItemNo(bb_units, unit));
 501                 } else {
 502                         lbX->setText(toqstr(xl));
 503                 }
 504                 if (isValidLength(yl, &anyLength)) {
 505                         lbY->setText(toqstr(convert<string>(anyLength.value())));
 506                         string const unit(unit_name[anyLength.unit()]);
 507                         lbYunit->setCurrentIndex(getItemNo(bb_units, unit));
 508                 } else {
 509                         lbY->setText(toqstr(xl));
 510                 }
 511                 if (isValidLength(xr, &anyLength)) {
 512                         rtX->setText(toqstr(convert<string>(anyLength.value())));
 513                         string const unit(unit_name[anyLength.unit()]);
 514                         rtXunit->setCurrentIndex(getItemNo(bb_units, unit));
 515                 } else {
 516                         rtX->setText(toqstr(xl));
 517                 }
 518                 if (isValidLength(yr, &anyLength)) {
 519                         rtY->setText(toqstr(convert<string>(anyLength.value())));
 520                         string const unit(unit_name[anyLength.unit()]);
 521                         rtYunit->setCurrentIndex(getItemNo(bb_units, unit));
 522                 } else {
 523                         rtY->setText(toqstr(xl));
 524                 }
 525                 bbChanged = true;
 526         }
 527
 528         // Update the draft and clip mode
 529         draftCB->setChecked(igp.draft);
 530         clip->setChecked(igp.clip);
 531         unzipCB->setChecked(igp.noUnzip);
 532
 533         // Update the subcaption check button and input field
 534         subfigure->setChecked(igp.subcaption);
 535         subcaption->setText(toqstr(igp.subcaptionText));
 536
 537         int item = 0;
 538         switch (igp.display) {
 539                 case graphics::DefaultDisplay: item = 0; break;
 540                 case graphics::MonochromeDisplay: item = 1; break;
 541                 case graphics::GrayscaleDisplay: item = 2; break;
 542                 case graphics::ColorDisplay: item = 3; break;
 543                 case graphics::NoDisplay: item = 0; break;
 544         }
 545         showCB->setCurrentIndex(item);
 546         displayscale->setText(toqstr(convert<string>(igp.lyxscale)));
 547         displayGB->setChecked(igp.display != graphics::NoDisplay);
 548
 549         // the output section (width/height)
 550
 551         Scale->setText(toqstr(igp.scale));
 552         //igp.scale defaults to 100, so we treat it as empty
 553         bool const scaleChecked = !igp.scale.empty() && igp.scale != "100";
 554         scaleCB->blockSignals(true);
 555         scaleCB->setChecked(scaleChecked);
 556         scaleCB->blockSignals(false);
 557         Scale->setEnabled(scaleChecked);
 558
 559         lengthAutoToWidgets(Width, widthUnit, igp.width,
 560                 unitDefault);
 561         bool const widthChecked = !Width->text().isEmpty() &&
 562                 Width->text() != "auto";
 563         WidthCB->blockSignals(true);
 564         WidthCB->setChecked(widthChecked);
 565         WidthCB->blockSignals(false);
 566         Width->setEnabled(widthChecked);
 567         widthUnit->setEnabled(widthChecked);
 568
 569         lengthAutoToWidgets(Height, heightUnit, igp.height,
 570                 unitDefault);
 571         bool const heightChecked = !Height->text().isEmpty()
 572                 && Height->text() != "auto";
 573         HeightCB->blockSignals(true);
 574         HeightCB->setChecked(heightChecked);
 575         HeightCB->blockSignals(false);
 576         Height->setEnabled(heightChecked);
 577         heightUnit->setEnabled(heightChecked);
 578
 579         scaleCB->setEnabled(!widthChecked && !heightChecked);
 580         WidthCB->setEnabled(!scaleChecked);
 581         HeightCB->setEnabled(!scaleChecked);
 582         aspectratio->setEnabled(widthChecked && heightChecked);
 583
 584         setAutoText();
 585
 586         angle->setText(toqstr(igp.rotateAngle));
 587         rotateOrderCB->setChecked(igp.scaleBeforeRotation);
 588
 589         rotateOrderCB->setEnabled( (widthChecked || heightChecked || scaleChecked)
 590                 && igp.rotateAngle != "0");
 591
 592         origin->clear();
 593
 594         vector<RotationOriginPair> origindata = getRotationOriginData();
 595         vector<docstring> const origin_lang = getFirst(origindata);
 596         origin_ltx = getSecond(origindata);
 597
 598         for (vector<docstring>::const_iterator it = origin_lang.begin();
 599             it != origin_lang.end(); ++it)
 600                 origin->addItem(toqstr(*it));
 601
 602         if (!igp.rotateOrigin.empty())
 603                 origin->setCurrentIndex(
 604                         getItemNo(origin_ltx, igp.rotateOrigin));
 605         else
 606                 origin->setCurrentIndex(0);
 607
 608         // disable edit button when no filename is present
 609         editPB->setDisabled(filename->text().isEmpty());
 610
 611         //// latex section
 612         latexoptions->setText(toqstr(igp.special));
 613 }
 614
 615
 616 void GuiGraphics::applyView()
 617 {
 618         InsetGraphicsParams & igp = params_;
 619
 620         igp.filename.set(internal_path(fromqstr(filename->text())),
 621                          bufferFilepath());
 622         igp.filename.setEmbed(embedCB->checkState() == Qt::Checked);
 623
 624         // the bb section
 625         igp.bb.erase();
 626         if (bbChanged) {
 627                 string bb;
 628                 string lbXs = fromqstr(lbX->text());
 629                 string lbYs = fromqstr(lbY->text());
 630                 string rtXs = fromqstr(rtX->text());
 631                 string rtYs = fromqstr(rtY->text());
 632                 int bb_sum =
 633                         convert<int>(lbXs) + convert<int>(lbYs) +
 634                         convert<int>(rtXs) + convert<int>(rtXs);
 635                 if (bb_sum) {
 636                         if (lbXs.empty())
 637                                 bb = "0 ";
 638                         else
 639                                 bb = lbXs + fromqstr(lbXunit->currentText()) + ' ';
 640                         if (lbYs.empty())
 641                                 bb += "0 ";
 642                         else
 643                                 bb += (lbYs + fromqstr(lbYunit->currentText()) + ' ');
 644                         if (rtXs.empty())
 645                                 bb += "0 ";
 646                         else
 647                                 bb += (rtXs + fromqstr(rtXunit->currentText()) + ' ');
 648                         if (rtYs.empty())
 649                                 bb += '0';
 650                         else
 651                                 bb += (rtYs + fromqstr(rtYunit->currentText()));
 652                         igp.bb = bb;
 653                 }
 654         }
 655
 656         igp.draft = draftCB->isChecked();
 657         igp.clip = clip->isChecked();
 658         igp.subcaption = subfigure->isChecked();
 659         igp.subcaptionText = fromqstr(subcaption->text());
 660
 661         switch (showCB->currentIndex()) {
 662                 case 0: igp.display = graphics::DefaultDisplay; break;
 663                 case 1: igp.display = graphics::MonochromeDisplay; break;
 664                 case 2: igp.display = graphics::GrayscaleDisplay; break;
 665                 case 3: igp.display = graphics::ColorDisplay; break;
 666                 default:;
 667         }
 668
 669         if (!displayGB->isChecked())
 670                 igp.display = graphics::NoDisplay;
 671
 672         //the graphics section
 673         if (scaleCB->isChecked() && !Scale->text().isEmpty()) {
 674                 igp.scale = fromqstr(Scale->text());
 675                 igp.width = Length("0pt");
 676                 igp.height = Length("0pt");
 677                 igp.keepAspectRatio = false;
 678         } else {
 679                 igp.scale = string();
 680                 igp.width = WidthCB->isChecked() ?
 681                         //Note that this works even if Width is "auto", since in
 682                         //that case we get "0pt".
 683                         Length(widgetsToLength(Width, widthUnit)):
 684                         Length("0pt");
 685                 igp.height = HeightCB->isChecked() ?
 686                         Length(widgetsToLength(Height, heightUnit)) :
 687                         Length("0pt");
 688                 igp.keepAspectRatio = aspectratio->isEnabled() &&
 689                         aspectratio->isChecked() &&
 690                         igp.width.value() > 0 && igp.height.value() > 0;
 691         }
 692
 693         igp.noUnzip = unzipCB->isChecked();
 694         igp.lyxscale = displayscale->text().toInt();
 695         igp.rotateAngle = fromqstr(angle->text());
 696
 697         double rotAngle = convert<double>(igp.rotateAngle);
 698         if (std::abs(rotAngle) > 360.0) {
 699                 rotAngle -= 360.0 * floor(rotAngle / 360.0);
 700                 igp.rotateAngle = convert<string>(rotAngle);
 701         }
 702
 703         // save the latex name for the origin. If it is the default
 704         // then origin_ltx returns ""
 705         igp.rotateOrigin = origin_ltx[origin->currentIndex()];
 706         igp.scaleBeforeRotation = rotateOrderCB->isChecked();
 707
 708         // more latex options
 709         igp.special = fromqstr(latexoptions->text());
 710 }
 711
 712
 713 void GuiGraphics::getBB()
 714 {
 715         string const fn = fromqstr(filename->text());
 716         if (!fn.empty()) {
 717                 string const bb = readBB(fn);
 718                 if (!bb.empty()) {
 719                         lbX->setText(toqstr(token(bb, ' ', 0)));
 720                         lbY->setText(toqstr(token(bb, ' ', 1)));
 721                         rtX->setText(toqstr(token(bb, ' ', 2)));
 722                         rtY->setText(toqstr(token(bb, ' ', 3)));
 723                         // the default units for the bb values when reading
 724                         // it from the file
 725                         lbXunit->setCurrentIndex(0);
 726                         lbYunit->setCurrentIndex(0);
 727                         rtXunit->setCurrentIndex(0);
 728                         rtYunit->setCurrentIndex(0);
 729                 }
 730                 bbChanged = false;
 731         }
 732 }
 733
 734
 735 bool GuiGraphics::isValid()
 736 {
 737         return !filename->text().isEmpty();
 738 }
 739
 740
 741 bool GuiGraphics::initialiseParams(string const & data)
 742 {
 743         InsetGraphicsMailer::string2params(data, buffer(), params_);
 744         return true;
 745 }
 746
 747
 748 void GuiGraphics::clearParams()
 749 {
 750         params_ = InsetGraphicsParams();
 751 }
 752
 753
 754 void GuiGraphics::dispatchParams()
 755 {
 756         InsetGraphicsParams tmp_params(params_);
 757         string const lfun =
 758                 InsetGraphicsMailer::params2string(tmp_params, buffer());
 759         dispatch(FuncRequest(getLfun(), lfun));
 760 }
 761
 762
 763 docstring const GuiGraphics::browse(docstring const & in_name) const
 764 {
 765         docstring const title = _("Select graphics file");
 766
 767         // Does user clipart directory exist?
 768         string clipdir = addName(package().user_support().absFilename(), "clipart");
 769         FileName clip(clipdir);
 770
 771         // bail out to system clipart directory
 772         if (!clip.exists() && clip.isDirectory())
 773                 clipdir = addName(package().system_support().absFilename(), "clipart");
 774
 775         return browseRelFile(in_name, from_utf8(bufferFilepath()),
 776                 title, FileFilterList(), false,
 777                 _("Clipart|#C#c"), from_utf8(clipdir),
 778                 _("Documents|#o#O"), from_utf8(lyxrc.document_path));
 779 }
 780
 781
 782 string const GuiGraphics::readBB(string const & file)
 783 {
 784         FileName const abs_file = makeAbsPath(file, bufferFilepath());
 785
 786         // try to get it from the file, if possible. Zipped files are
 787         // unzipped in the readBB_from_PSFile-Function
 788         string const bb = readBB_from_PSFile(abs_file);
 789         if (!bb.empty())
 790                 return bb;
 791
 792         // we don't, so ask the Graphics Cache if it has loaded the file
 793         int width = 0;
 794         int height = 0;
 795
 796         graphics::Cache & gc = graphics::Cache::get();
 797         if (gc.inCache(abs_file)) {
 798                 graphics::Image const * image = gc.item(abs_file)->image();
 799
 800                 if (image) {
 801                         width  = image->getWidth();
 802                         height = image->getHeight();
 803                 }
 804         }
 805
 806         return ("0 0 " + convert<string>(width) + ' ' + convert<string>(height));
 807 }
 808
 809
 810 bool GuiGraphics::isFilenameValid(string const & fname) const
 811 {
 812         // It may be that the filename is relative.
 813         return makeAbsPath(fname, bufferFilepath()).isReadable();
 814 }
 815
 816
 817 void GuiGraphics::editGraphics()
 818 {
 819         applyView();
 820         string const lfun =
 821                 InsetGraphicsMailer::params2string(params_, buffer());
 822         dispatch(FuncRequest(LFUN_GRAPHICS_EDIT, lfun));
 823 }
 824
 825
 826 namespace {
 827
 828 char const * const bb_units[] = { "bp", "cm", "mm", "in" };
 829 size_t const bb_size = sizeof(bb_units) / sizeof(char *);
 830
 831 // These are the strings that are stored in the LyX file and which
 832 // correspond to the LaTeX identifiers shown in the comments at the
 833 // end of each line.
 834 char const * const rorigin_lyx_strs[] = {
 835         // the LaTeX default is leftBaseline
 836         "",
 837         "leftTop",  "leftBottom", "leftBaseline", // lt lb lB
 838         "center", "centerTop", "centerBottom", "centerBaseline", // c ct cb cB
 839         "rightTop", "rightBottom", "rightBaseline" }; // rt rb rB
 840
 841 // These are the strings, corresponding to the above, that the GUI should
 842 // use. Note that they can/should be translated.
 843 char const * const rorigin_gui_strs[] = {
 844         N_("Default"),
 845         N_("Top left"), N_("Bottom left"), N_("Baseline left"),
 846         N_("Center"), N_("Top center"), N_("Bottom center"), N_("Baseline center"),
 847         N_("Top right"), N_("Bottom right"), N_("Baseline right") };
 848
 849 size_t const rorigin_size = sizeof(rorigin_lyx_strs) / sizeof(char *);
 850
 851 } // namespace anon
 852
 853
 854 vector<string> const getBBUnits()
 855 {
 856         return vector<string>(bb_units, bb_units + bb_size);
 857 }
 858
 859
 860 vector<RotationOriginPair> getRotationOriginData()
 861 {
 862         static vector<RotationOriginPair> data;
 863         if (!data.empty())
 864                 return data;
 865
 866         data.resize(rorigin_size);
 867         for (size_type i = 0; i < rorigin_size; ++i) {
 868                 data[i] = make_pair(_(rorigin_gui_strs[i]),
 869                                     rorigin_lyx_strs[i]);
 870         }
 871
 872         return data;
 873 }
 874
 875
 876 Dialog * createGuiGraphics(LyXView & lv) { return new GuiGraphics(lv); }
 877
 878
 879 } // namespace frontend
 880 } // namespace lyx
 881
 882 #include "GuiGraphics_moc.cpp"