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 John Levon
   7  * \author Edwin Leuven
   8  * \author Herbert Voß
   9  * \author Richard Heck
  10  *
  11  * Full author contact details are available in file CREDITS.
  12  */
  13
  14 #include <config.h>
  15
  16 #include "GuiGraphics.h"
  17
  18 #include "ControlGraphics.h"
  19 #include "debug.h"
  20 #include "LengthCombo.h"
  21 #include "lengthcommon.h"
  22 #include "LyXRC.h"
  23 #include "qt_helpers.h"
  24 #include "Validator.h"
  25
  26 #include "insets/InsetGraphicsParams.h"
  27
  28 #include "support/convert.h"
  29 #include "support/lstrings.h"
  30 #include "support/lyxlib.h"
  31 #include "support/os.h"
  32
  33 #include <boost/bind.hpp>
  34
  35 #include <QCheckBox>
  36 #include <QCloseEvent>
  37 #include <QLabel>
  38 #include <QLineEdit>
  39 #include <QPushButton>
  40 #include <QValidator>
  41
  42 #include <algorithm>
  43 #include <cmath>
  44
  45 using lyx::support::float_equal;
  46 using lyx::support::token;
  47
  48 using lyx::support::os::internal_path;
  49
  50 #ifndef CXX_GLOBAL_CSTD
  51 using std::floor;
  52 #endif
  53
  54 using std::vector;
  55 using std::string;
  56
  57
  58 namespace lyx {
  59 namespace frontend {
  60
  61
  62 template<class Pair>
  63 std::vector<typename Pair::first_type> const
  64 getFirst(std::vector<Pair> const & pr)
  65 {
  66         std::vector<typename Pair::first_type> tmp(pr.size());
  67         std::transform(pr.begin(), pr.end(), tmp.begin(),
  68                        boost::bind(&Pair::first, _1));
  69         return tmp;
  70 }
  71
  72 ///
  73 template<class Pair>
  74 std::vector<typename Pair::second_type> const
  75 getSecond(std::vector<Pair> const & pr)
  76 {
  77          std::vector<typename Pair::second_type> tmp(pr.size());
  78          std::transform(pr.begin(), pr.end(), tmp.begin(),
  79                                          boost::bind(&Pair::second, _1));
  80          return tmp;
  81 }
  82
  83 GuiGraphicsDialog::GuiGraphicsDialog(LyXView & lv)
  84         : GuiDialog(lv, "graphics")
  85 {
  86         setupUi(this);
  87         setViewTitle(_("Graphics"));
  88         setController(new ControlGraphics(*this));
  89
  90         //main buttons
  91         connect(okPB, SIGNAL(clicked()), this, SLOT(slotOK()));
  92         connect(applyPB, SIGNAL(clicked()), this, SLOT(slotApply()));
  93         connect(closePB, SIGNAL(clicked()), this, SLOT(slotClose()));
  94         connect(restorePB, SIGNAL(clicked()), this, SLOT(slotRestore()));
  95
  96         //graphics pane
  97         connect(filename, SIGNAL(textChanged(const QString &)),
  98                 this, SLOT(change_adaptor()));
  99         connect(WidthCB, SIGNAL( clicked()),
 100                 this, SLOT(change_adaptor()));
 101         connect(HeightCB, SIGNAL( clicked()),
 102                 this, SLOT(change_adaptor()));
 103         connect(Width, SIGNAL(textChanged(const QString &)),
 104                 this, SLOT(change_adaptor()));
 105         connect(Height, SIGNAL(textChanged(const QString &)),
 106                 this, SLOT(change_adaptor()));
 107         connect(heightUnit, SIGNAL(selectionChanged(lyx::Length::UNIT)),
 108                 this, SLOT(change_adaptor()));
 109         connect(widthUnit, SIGNAL(selectionChanged(lyx::Length::UNIT)),
 110                 this, SLOT(change_adaptor()));
 111         connect(aspectratio, SIGNAL(stateChanged(int)),
 112                 this, SLOT(change_adaptor()));
 113         connect(angle, SIGNAL(textChanged(const QString &)),
 114                 this, SLOT(change_adaptor()));
 115         connect(origin, SIGNAL(activated(int)),
 116                 this, SLOT(change_adaptor()));
 117         connect(scaleCB, SIGNAL(clicked()),
 118                 this, SLOT(change_adaptor()));
 119         connect(Scale, SIGNAL(textChanged(const QString &)),
 120                 this, SLOT(change_adaptor()));
 121         connect(rotateOrderCB, SIGNAL(clicked()),
 122                 this, SLOT(change_adaptor()));
 123
 124         filename->setValidator(new PathValidator(true, filename));
 125         setFocusProxy(filename);
 126
 127         QDoubleValidator * scaleValidator = new DoubleAutoValidator(Scale);
 128         scaleValidator->setBottom(0);
 129         scaleValidator->setDecimals(256); //I guess that will do
 130         Scale->setValidator(scaleValidator);
 131         Height->setValidator(unsignedLengthAutoValidator(Height));
 132         Width->setValidator(unsignedLengthAutoValidator(Width));
 133         angle->setValidator(new QDoubleValidator(-360, 360, 2, angle));
 134
 135         //clipping pane
 136         connect(clip, SIGNAL(stateChanged(int)),
 137                 this, SLOT(change_adaptor()));
 138         connect(lbY, SIGNAL(textChanged(const QString&)),
 139                 this, SLOT(change_bb()));
 140         connect(lbYunit, SIGNAL(activated(int)),
 141                 this, SLOT(change_bb()));
 142         connect(rtY, SIGNAL(textChanged(const QString&)),
 143                 this, SLOT(change_bb()));
 144         connect(rtYunit, SIGNAL(activated(int)),
 145                 this, SLOT(change_bb()));
 146         connect(lbX, SIGNAL(textChanged(const QString&)),
 147                 this, SLOT(change_bb()));
 148         connect(lbXunit, SIGNAL(activated(int)),
 149                 this, SLOT(change_bb()));
 150         connect(rtX, SIGNAL(textChanged(const QString&)),
 151                 this, SLOT(change_bb()));
 152         connect(rtXunit, SIGNAL(activated(int)),
 153                 this, SLOT(change_bb()));
 154         connect(getPB, SIGNAL(clicked()),
 155                 this, SLOT(change_adaptor()));
 156
 157         lbX->setValidator(new QDoubleValidator(lbX));
 158         lbY->setValidator(new QDoubleValidator(lbY));
 159         rtX->setValidator(new QDoubleValidator(rtX));
 160         rtY->setValidator(new QDoubleValidator(rtY));
 161
 162         //extra options pane
 163         connect(latexoptions, SIGNAL(textChanged(const QString&)),
 164                 this, SLOT(change_adaptor()));
 165         connect(draftCB, SIGNAL(stateChanged(int)),
 166                 this, SLOT(change_adaptor()));
 167         connect(unzipCB, SIGNAL(stateChanged(int)),
 168                 this, SLOT(change_adaptor()));
 169         // FIXME: we should connect to clicked() when we move to Qt 4.2 because
 170         // the toggled(bool) signal is also trigged when we update the widgets
 171         // (rgh-4/07) this isn't as much or a problem as it was, because we're now
 172         // using blockSignals() to keep from triggering that signal when we call
 173         // setChecked(). Note, too, that clicked() would get called whenever it
 174         // is clicked, even right clicked (I think), not just whenever it is
 175         // toggled.
 176         connect(subfigure, SIGNAL(toggled(bool)),
 177                 this, SLOT(change_adaptor()));
 178         connect(subcaption, SIGNAL(textChanged(const QString&)),
 179                 this, SLOT(change_adaptor()));
 180         connect(displayGB, SIGNAL(toggled(bool)),
 181                 this, SLOT(change_adaptor()));
 182         connect(showCB, SIGNAL(currentIndexChanged(int)),
 183                 this, SLOT(change_adaptor()));
 184         connect(displayscale, SIGNAL(textChanged(const QString&)),
 185                 this, SLOT(change_adaptor()));
 186         displayscale->setValidator(new QIntValidator(displayscale));
 187
 188         bc().setPolicy(ButtonPolicy::NoRepeatedApplyReadOnlyPolicy);
 189         bc().setOK(okPB);
 190         bc().setApply(applyPB);
 191         bc().setRestore(restorePB);
 192         bc().setCancel(closePB);
 193
 194         bc().addReadOnly(latexoptions);
 195         bc().addReadOnly(subfigure);
 196         bc().addReadOnly(filenameL);
 197         bc().addReadOnly(filename);
 198         bc().addReadOnly(browsePB);
 199         bc().addReadOnly(unzipCB);
 200         bc().addReadOnly(bbFrame);
 201         bc().addReadOnly(draftCB);
 202         bc().addReadOnly(clip);
 203         bc().addReadOnly(unzipCB);
 204         bc().addReadOnly(displayGB);
 205         bc().addReadOnly(sizeGB);
 206         bc().addReadOnly(rotationGB);
 207         bc().addReadOnly(latexoptions);
 208         bc().addReadOnly(getPB);
 209         bc().addReadOnly(rotateOrderCB);
 210
 211         // initialize the length validator
 212         bc().addCheckedLineEdit(Scale, scaleCB);
 213         bc().addCheckedLineEdit(Width, WidthCB);
 214         bc().addCheckedLineEdit(Height, HeightCB);
 215         bc().addCheckedLineEdit(displayscale, scaleLA);
 216         bc().addCheckedLineEdit(angle, angleL);
 217         bc().addCheckedLineEdit(lbX, xL);
 218         bc().addCheckedLineEdit(lbY, yL);
 219         bc().addCheckedLineEdit(rtX, xL_2);
 220         bc().addCheckedLineEdit(rtY, yL_2);
 221         bc().addCheckedLineEdit(filename, filenameL);
 222 }
 223
 224
 225 ControlGraphics & GuiGraphicsDialog::controller()
 226 {
 227         return static_cast<ControlGraphics &>(GuiDialog::controller());
 228 }
 229
 230
 231 void GuiGraphicsDialog::change_adaptor()
 232 {
 233         changed();
 234 }
 235
 236
 237 void GuiGraphicsDialog::change_bb()
 238 {
 239         controller().bbChanged = true;
 240         LYXERR(Debug::GRAPHICS)
 241                 << "[controller().bb_Changed set to true]\n";
 242         changed();
 243 }
 244
 245
 246 void GuiGraphicsDialog::closeEvent(QCloseEvent * e)
 247 {
 248         slotClose();
 249         e->accept();
 250 }
 251
 252
 253 void GuiGraphicsDialog::on_browsePB_clicked()
 254 {
 255         docstring const str =
 256                 controller().browse(qstring_to_ucs4(filename->text()));
 257         if(!str.empty()){
 258                 filename->setText(toqstr(str));
 259                 changed();
 260         }
 261 }
 262
 263
 264 void GuiGraphicsDialog::on_getPB_clicked()
 265 {
 266         getBB();
 267 }
 268
 269
 270 void GuiGraphicsDialog::on_editPB_clicked()
 271 {
 272         controller().editGraphics();
 273 }
 274
 275
 276 void GuiGraphicsDialog::on_filename_textChanged(const QString & filename)
 277 {
 278         editPB->setDisabled(filename.isEmpty());
 279 }
 280
 281
 282 void GuiGraphicsDialog::setAutoText()
 283 {
 284         if (scaleCB->isChecked())
 285                 return;
 286         if (!Scale->isEnabled() && Scale->text() != "100")
 287                 Scale->setText(QString("auto"));
 288
 289         setAutoTextCB(WidthCB, Width, widthUnit);
 290         setAutoTextCB(HeightCB, Height, heightUnit);
 291 }
 292
 293
 294 void GuiGraphicsDialog::on_scaleCB_toggled(bool setScale)
 295 {
 296         Scale->setEnabled(setScale);
 297         if (setScale) {
 298                 Scale->setText("100");
 299                 Scale->setFocus(Qt::OtherFocusReason);
 300         }
 301
 302         WidthCB->setDisabled(setScale);
 303         WidthCB->blockSignals(true);
 304         WidthCB->setChecked(false);
 305         WidthCB->blockSignals(false);
 306         Width->setEnabled(false);
 307         widthUnit->setEnabled(false);
 308
 309         HeightCB->setDisabled(setScale);
 310         HeightCB->blockSignals(true);
 311         HeightCB->setChecked(false);
 312         HeightCB->blockSignals(false);
 313         Height->setEnabled(false);
 314         heightUnit->setEnabled(false);
 315
 316         aspectratio->setDisabled(true);
 317         aspectratio->setChecked(true);
 318
 319         rotateOrderCB->setEnabled((WidthCB->isChecked() ||
 320                                  HeightCB->isChecked() ||
 321                                  scaleCB->isChecked()) &&
 322                                  (angle->text() != "0"));
 323
 324         setAutoText();
 325 }
 326
 327
 328 void GuiGraphicsDialog::on_WidthCB_toggled(bool setWidth)
 329 {
 330         Width->setEnabled(setWidth);
 331         widthUnit->setEnabled(setWidth);
 332         if (setWidth)
 333                 Width->setFocus(Qt::OtherFocusReason);
 334
 335         bool const setHeight = HeightCB->isChecked();
 336         aspectratio->setEnabled(setWidth && setHeight);
 337         aspectratio->blockSignals(true);
 338         aspectratio->setChecked(!(setWidth && setHeight));
 339         aspectratio->blockSignals(false);
 340
 341         scaleCB->setEnabled(!setWidth && !setHeight);
 342         //already will be unchecked, so don't need to do that
 343         Scale->setEnabled((!setWidth && !setHeight) //=scaleCB->isEnabled()
 344                         && scaleCB->isChecked()); //should be false, but let's check
 345         rotateOrderCB->setEnabled((setWidth || setHeight ||
 346                                  scaleCB->isChecked()) &&
 347                                  (angle->text() != "0"));
 348
 349         setAutoText();
 350 }
 351
 352
 353 void GuiGraphicsDialog::on_HeightCB_toggled(bool setHeight)
 354 {
 355         Height->setEnabled(setHeight);
 356         heightUnit->setEnabled(setHeight);
 357         if (setHeight)
 358                 Height->setFocus(Qt::OtherFocusReason);
 359
 360         bool const setWidth = WidthCB->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 unchecked
 368         Scale->setEnabled((!setWidth && !setHeight) //=scaleCB->isEnabled()
 369                 && scaleCB->isChecked()); //should be false
 370         rotateOrderCB->setEnabled((setWidth || setHeight ||
 371                                  scaleCB->isChecked()) &&
 372                                  (angle->text() != "0"));
 373
 374         setAutoText();
 375 }
 376
 377
 378 void GuiGraphicsDialog::on_angle_textChanged(const QString & filename)
 379 {
 380         rotateOrderCB->setEnabled((WidthCB->isChecked() ||
 381                                  HeightCB->isChecked() ||
 382                                  scaleCB->isChecked()) &&
 383                                  (filename != "0"));
 384 }
 385
 386 // returns the number of the string s in the vector v
 387 static int getItemNo(const vector<string> & v, string const & s)
 388 {
 389         vector<string>::const_iterator cit =
 390                     find(v.begin(), v.end(), s);
 391         return (cit != v.end()) ? int(cit - v.begin()) : 0;
 392 }
 393
 394
 395 void GuiGraphicsDialog::updateContents()
 396 {
 397         // clear and fill in the comboboxes
 398         vector<string> const bb_units = frontend::getBBUnits();
 399         lbXunit->clear();
 400         lbYunit->clear();
 401         rtXunit->clear();
 402         rtYunit->clear();
 403         for (vector<string>::const_iterator it = bb_units.begin();
 404             it != bb_units.end(); ++it) {
 405                 lbXunit->addItem(toqstr(*it));
 406                 lbYunit->addItem(toqstr(*it));
 407                 rtXunit->addItem(toqstr(*it));
 408                 rtYunit->addItem(toqstr(*it));
 409         }
 410
 411         InsetGraphicsParams & igp = controller().params();
 412
 413         // set the right default unit
 414         Length::UNIT unitDefault = Length::CM;
 415         switch (lyxrc.default_papersize) {
 416                 case PAPER_USLETTER:
 417                 case PAPER_USLEGAL:
 418                 case PAPER_USEXECUTIVE:
 419                         unitDefault = Length::IN;
 420                         break;
 421                 default:
 422                         break;
 423         }
 424
 425         string const name =
 426                 igp.filename.outputFilename(controller().bufferFilepath());
 427         filename->setText(toqstr(name));
 428
 429         // set the bounding box values
 430         if (igp.bb.empty()) {
 431                 string const bb = controller().readBB(igp.filename.absFilename());
 432                 // the values from the file always have the bigpoint-unit bp
 433                 lbX->setText(toqstr(token(bb, ' ', 0)));
 434                 lbY->setText(toqstr(token(bb, ' ', 1)));
 435                 rtX->setText(toqstr(token(bb, ' ', 2)));
 436                 rtY->setText(toqstr(token(bb, ' ', 3)));
 437                 lbXunit->setCurrentIndex(0);
 438                 lbYunit->setCurrentIndex(0);
 439                 rtXunit->setCurrentIndex(0);
 440                 rtYunit->setCurrentIndex(0);
 441                 controller().bbChanged = false;
 442         } else {
 443                 // get the values from the inset
 444                 Length anyLength;
 445                 string const xl(token(igp.bb, ' ', 0));
 446                 string const yl(token(igp.bb, ' ', 1));
 447                 string const xr(token(igp.bb, ' ', 2));
 448                 string const yr(token(igp.bb, ' ', 3));
 449                 if (isValidLength(xl, &anyLength)) {
 450                         lbX->setText(toqstr(convert<string>(anyLength.value())));
 451                         string const unit(unit_name[anyLength.unit()]);
 452                         lbXunit->setCurrentIndex(getItemNo(bb_units, unit));
 453                 } else {
 454                         lbX->setText(toqstr(xl));
 455                 }
 456                 if (isValidLength(yl, &anyLength)) {
 457                         lbY->setText(toqstr(convert<string>(anyLength.value())));
 458                         string const unit(unit_name[anyLength.unit()]);
 459                         lbYunit->setCurrentIndex(getItemNo(bb_units, unit));
 460                 } else {
 461                         lbY->setText(toqstr(xl));
 462                 }
 463                 if (isValidLength(xr, &anyLength)) {
 464                         rtX->setText(toqstr(convert<string>(anyLength.value())));
 465                         string const unit(unit_name[anyLength.unit()]);
 466                         rtXunit->setCurrentIndex(getItemNo(bb_units, unit));
 467                 } else {
 468                         rtX->setText(toqstr(xl));
 469                 }
 470                 if (isValidLength(yr, &anyLength)) {
 471                         rtY->setText(toqstr(convert<string>(anyLength.value())));
 472                         string const unit(unit_name[anyLength.unit()]);
 473                         rtYunit->setCurrentIndex(getItemNo(bb_units, unit));
 474                 } else {
 475                         rtY->setText(toqstr(xl));
 476                 }
 477                 controller().bbChanged = true;
 478         }
 479
 480         // Update the draft and clip mode
 481         draftCB->setChecked(igp.draft);
 482         clip->setChecked(igp.clip);
 483         unzipCB->setChecked(igp.noUnzip);
 484
 485         // Update the subcaption check button and input field
 486         subfigure->setChecked(igp.subcaption);
 487         subcaption->setText(toqstr(igp.subcaptionText));
 488
 489         int item = 0;
 490         switch (igp.display) {
 491                 case graphics::DefaultDisplay: item = 0; break;
 492                 case graphics::MonochromeDisplay: item = 1; break;
 493                 case graphics::GrayscaleDisplay: item = 2; break;
 494                 case graphics::ColorDisplay: item = 3; break;
 495                 case graphics::NoDisplay: item = 0; break;
 496         }
 497         showCB->setCurrentIndex(item);
 498         displayscale->setText(toqstr(convert<string>(igp.lyxscale)));
 499         displayGB->setChecked(igp.display != graphics::NoDisplay);
 500
 501         // the output section (width/height)
 502
 503         Scale->setText(toqstr(igp.scale));
 504         //igp.scale defaults to 100, so we treat it as empty
 505         bool const scaleChecked = !igp.scale.empty() && igp.scale != "100";
 506         scaleCB->blockSignals(true);
 507         scaleCB->setChecked(scaleChecked);
 508         scaleCB->blockSignals(false);
 509         Scale->setEnabled(scaleChecked);
 510
 511         lengthAutoToWidgets(Width, widthUnit, igp.width,
 512                 unitDefault);
 513         bool const widthChecked = !Width->text().isEmpty() &&
 514                 Width->text() != "auto";
 515         WidthCB->blockSignals(true);
 516         WidthCB->setChecked(widthChecked);
 517         WidthCB->blockSignals(false);
 518         Width->setEnabled(widthChecked);
 519         widthUnit->setEnabled(widthChecked);
 520
 521         lengthAutoToWidgets(Height, heightUnit, igp.height,
 522                 unitDefault);
 523         bool const heightChecked = !Height->text().isEmpty()
 524                 && Height->text() != "auto";
 525         HeightCB->blockSignals(true);
 526         HeightCB->setChecked(heightChecked);
 527         HeightCB->blockSignals(false);
 528         Height->setEnabled(heightChecked);
 529         heightUnit->setEnabled(heightChecked);
 530
 531         scaleCB->setEnabled(!widthChecked && !heightChecked);
 532         WidthCB->setEnabled(!scaleChecked);
 533         HeightCB->setEnabled(!scaleChecked);
 534         aspectratio->setEnabled(widthChecked && heightChecked);
 535
 536         setAutoText();
 537
 538         angle->setText(toqstr(igp.rotateAngle));
 539         rotateOrderCB->setChecked(igp.scaleBeforeRotation);
 540
 541         rotateOrderCB->setEnabled( (widthChecked || heightChecked || scaleChecked)
 542                 && igp.rotateAngle != "0");
 543
 544         origin->clear();
 545
 546         vector<RotationOriginPair> origindata = getRotationOriginData();
 547         vector<docstring> const origin_lang = getFirst(origindata);
 548         origin_ltx = getSecond(origindata);
 549
 550         for (vector<docstring>::const_iterator it = origin_lang.begin();
 551             it != origin_lang.end(); ++it)
 552                 origin->addItem(toqstr(*it));
 553
 554         if (!igp.rotateOrigin.empty())
 555                 origin->setCurrentIndex(
 556                         getItemNo(origin_ltx, igp.rotateOrigin));
 557         else
 558                 origin->setCurrentIndex(0);
 559
 560         // disable edit button when no filename is present
 561         editPB->setDisabled(filename->text().isEmpty());
 562
 563         //// latex section
 564         latexoptions->setText(toqstr(igp.special));
 565 }
 566
 567
 568 void GuiGraphicsDialog::applyView()
 569 {
 570         InsetGraphicsParams & igp = controller().params();
 571
 572         igp.filename.set(internal_path(fromqstr(filename->text())),
 573                          controller().bufferFilepath());
 574
 575         // the bb section
 576         igp.bb.erase();
 577         if (controller().bbChanged) {
 578                 string bb;
 579                 string lbXs = fromqstr(lbX->text());
 580                 string lbYs = fromqstr(lbY->text());
 581                 string rtXs = fromqstr(rtX->text());
 582                 string rtYs = fromqstr(rtY->text());
 583                 int bb_sum =
 584                         convert<int>(lbXs) + convert<int>(lbYs) +
 585                         convert<int>(rtXs) + convert<int>(rtXs);
 586                 if (bb_sum) {
 587                         if (lbXs.empty())
 588                                 bb = "0 ";
 589                         else
 590                                 bb = lbXs + fromqstr(lbXunit->currentText()) + ' ';
 591                         if (lbYs.empty())
 592                                 bb += "0 ";
 593                         else
 594                                 bb += (lbYs + fromqstr(lbYunit->currentText()) + ' ');
 595                         if (rtXs.empty())
 596                                 bb += "0 ";
 597                         else
 598                                 bb += (rtXs + fromqstr(rtXunit->currentText()) + ' ');
 599                         if (rtYs.empty())
 600                                 bb += '0';
 601                         else
 602                                 bb += (rtYs + fromqstr(rtYunit->currentText()));
 603                         igp.bb = bb;
 604                 }
 605         }
 606
 607         igp.draft = draftCB->isChecked();
 608         igp.clip = clip->isChecked();
 609         igp.subcaption = subfigure->isChecked();
 610         igp.subcaptionText = fromqstr(subcaption->text());
 611
 612         switch (showCB->currentIndex()) {
 613                 case 0: igp.display = graphics::DefaultDisplay; break;
 614                 case 1: igp.display = graphics::MonochromeDisplay; break;
 615                 case 2: igp.display = graphics::GrayscaleDisplay; break;
 616                 case 3: igp.display = graphics::ColorDisplay; break;
 617                 default:;
 618         }
 619
 620         if (!displayGB->isChecked())
 621                 igp.display = graphics::NoDisplay;
 622
 623         //the graphics section
 624         if (scaleCB->isChecked() && !Scale->text().isEmpty()) {
 625                 igp.scale = fromqstr(Scale->text());
 626                 igp.width = Length("0pt");
 627                 igp.height = Length("0pt");
 628                 igp.keepAspectRatio = false;
 629         } else {
 630                 igp.scale = string();
 631                 igp.width = WidthCB->isChecked() ?
 632                         //Note that this works even if Width is "auto", since in
 633                         //that case we get "0pt".
 634                         Length(widgetsToLength(Width, widthUnit)):
 635                         Length("0pt");
 636                 igp.height = HeightCB->isChecked() ?
 637                         Length(widgetsToLength(Height, heightUnit)) :
 638                         Length("0pt");
 639                 igp.keepAspectRatio = aspectratio->isEnabled() &&
 640                         aspectratio->isChecked() &&
 641                         igp.width.value() > 0 && igp.height.value() > 0;
 642         }
 643
 644         igp.noUnzip = unzipCB->isChecked();
 645         igp.lyxscale = displayscale->text().toInt();
 646         igp.rotateAngle = fromqstr(angle->text());
 647
 648         double rotAngle = convert<double>(igp.rotateAngle);
 649         if (std::abs(rotAngle) > 360.0) {
 650                 rotAngle -= 360.0 * floor(rotAngle / 360.0);
 651                 igp.rotateAngle = convert<string>(rotAngle);
 652         }
 653
 654         // save the latex name for the origin. If it is the default
 655         // then origin_ltx returns ""
 656         igp.rotateOrigin = origin_ltx[origin->currentIndex()];
 657         igp.scaleBeforeRotation = rotateOrderCB->isChecked();
 658
 659         // more latex options
 660         igp.special = fromqstr(latexoptions->text());
 661 }
 662
 663
 664 void GuiGraphicsDialog::getBB()
 665 {
 666         string const fn = fromqstr(filename->text());
 667         if (!fn.empty()) {
 668                 string const bb = controller().readBB(fn);
 669                 if (!bb.empty()) {
 670                         lbX->setText(toqstr(token(bb, ' ', 0)));
 671                         lbY->setText(toqstr(token(bb, ' ', 1)));
 672                         rtX->setText(toqstr(token(bb, ' ', 2)));
 673                         rtY->setText(toqstr(token(bb, ' ', 3)));
 674                         // the default units for the bb values when reading
 675                         // it from the file
 676                         lbXunit->setCurrentIndex(0);
 677                         lbYunit->setCurrentIndex(0);
 678                         rtXunit->setCurrentIndex(0);
 679                         rtYunit->setCurrentIndex(0);
 680                 }
 681                 controller().bbChanged = false;
 682         }
 683 }
 684
 685
 686 bool GuiGraphicsDialog::isValid()
 687 {
 688         return !filename->text().isEmpty();
 689 }
 690
 691 } // namespace frontend
 692 } // namespace lyx
 693
 694
 695 #include "GuiGraphics_moc.cpp"
 696