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