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