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 #include <utility>
  45
  46 using lyx::support::float_equal;
  47 using lyx::support::token;
  48
  49 using lyx::support::os::internal_path;
  50
  51 using std::find;
  52
  53 #ifndef CXX_GLOBAL_CSTD
  54 using std::floor;
  55 #endif
  56
  57 using std::vector;
  58 using std::string;
  59 using std::transform;
  60
  61 namespace lyx {
  62 namespace frontend {
  63
  64
  65 //FIXME setAutoTextCB should really take an argument, as indicated, that
  66 //determines what text is to be written for "auto". But making
  67 //that work involves more extensive revisions than we now want
  68 //to make, since "auto" also appears in updateContents() (see
  69 //GuiGraphics.cpp).
  70 //The right way to do this, I think, would be to define a class
  71 //checkedLengthSet (and a partnering labeledLengthSete) that encapsulated
  72 //the checkbox, line edit, and length combo together, and then made e.g.
  73 //lengthToWidgets, widgetsToLength, etc, all public methods of that class.
  74 //Perhaps even the validator could be exposed through it.
  75 /**
  76  * sets a checkbox-line edit-length combo group, using "text" if the
  77  * checkbox is unchecked and clearing the line edit if it previously
  78  * said "text".
  79 */
  80 void setAutoTextCB(QCheckBox * checkBox, QLineEdit * lineEdit,
  81         LengthCombo * lengthCombo/*, string text = "auto"*/)
  82 {
  83         if (!checkBox->isChecked())
  84                 lengthToWidgets(lineEdit, lengthCombo,
  85                                 "auto", lengthCombo->currentLengthItem());
  86         else if (lineEdit->text() == "auto")
  87                 lengthToWidgets(lineEdit, lengthCombo, string(),
  88                                 lengthCombo->currentLengthItem());
  89 }
  90
  91
  92
  93 template<class Pair>
  94 vector<typename Pair::first_type> const
  95 getFirst(vector<Pair> const & pr)
  96 {
  97         vector<typename Pair::first_type> tmp(pr.size());
  98         transform(pr.begin(), pr.end(), tmp.begin(),
  99                   boost::bind(&Pair::first, _1));
 100         return tmp;
 101 }
 102
 103 ///
 104 template<class Pair>
 105 vector<typename Pair::second_type> const
 106 getSecond(vector<Pair> const & pr)
 107 {
 108          vector<typename Pair::second_type> tmp(pr.size());
 109          transform(pr.begin(), pr.end(), tmp.begin(),
 110                    boost::bind(&Pair::second, _1));
 111          return tmp;
 112 }
 113
 114 GuiGraphicsDialog::GuiGraphicsDialog(LyXView & lv)
 115         : GuiDialog(lv, "graphics")
 116 {
 117         setupUi(this);
 118         setViewTitle(_("Graphics"));
 119         setController(new ControlGraphics(*this));
 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 ControlGraphics & GuiGraphicsDialog::controller()
 257 {
 258         return static_cast<ControlGraphics &>(GuiDialog::controller());
 259 }
 260
 261
 262 void GuiGraphicsDialog::change_adaptor()
 263 {
 264         changed();
 265 }
 266
 267
 268 void GuiGraphicsDialog::change_bb()
 269 {
 270         controller().bbChanged = true;
 271         LYXERR(Debug::GRAPHICS)
 272                 << "[controller().bb_Changed set to true]\n";
 273         changed();
 274 }
 275
 276
 277 void GuiGraphicsDialog::closeEvent(QCloseEvent * e)
 278 {
 279         slotClose();
 280         GuiDialog::closeEvent(e);
 281 }
 282
 283
 284 void GuiGraphicsDialog::on_browsePB_clicked()
 285 {
 286         docstring const str =
 287                 controller().browse(qstring_to_ucs4(filename->text()));
 288         if (!str.empty()) {
 289                 filename->setText(toqstr(str));
 290                 embedCB->setCheckState(Qt::Unchecked);
 291                 changed();
 292         }
 293 }
 294
 295
 296 void GuiGraphicsDialog::on_getPB_clicked()
 297 {
 298         getBB();
 299 }
 300
 301
 302 void GuiGraphicsDialog::on_editPB_clicked()
 303 {
 304         controller().editGraphics();
 305 }
 306
 307
 308 void GuiGraphicsDialog::on_filename_textChanged(const QString & filename)
 309 {
 310         editPB->setDisabled(filename.isEmpty());
 311 }
 312
 313
 314 void GuiGraphicsDialog::setAutoText()
 315 {
 316         if (scaleCB->isChecked())
 317                 return;
 318         if (!Scale->isEnabled() && Scale->text() != "100")
 319                 Scale->setText(QString("auto"));
 320
 321         setAutoTextCB(WidthCB, Width, widthUnit);
 322         setAutoTextCB(HeightCB, Height, heightUnit);
 323 }
 324
 325
 326 void GuiGraphicsDialog::on_scaleCB_toggled(bool setScale)
 327 {
 328         Scale->setEnabled(setScale);
 329         if (setScale) {
 330                 Scale->setText("100");
 331                 Scale->setFocus(Qt::OtherFocusReason);
 332         }
 333
 334         WidthCB->setDisabled(setScale);
 335         WidthCB->blockSignals(true);
 336         WidthCB->setChecked(false);
 337         WidthCB->blockSignals(false);
 338         Width->setEnabled(false);
 339         widthUnit->setEnabled(false);
 340
 341         HeightCB->setDisabled(setScale);
 342         HeightCB->blockSignals(true);
 343         HeightCB->setChecked(false);
 344         HeightCB->blockSignals(false);
 345         Height->setEnabled(false);
 346         heightUnit->setEnabled(false);
 347
 348         aspectratio->setDisabled(true);
 349         aspectratio->setChecked(true);
 350
 351         rotateOrderCB->setEnabled((WidthCB->isChecked() ||
 352                                  HeightCB->isChecked() ||
 353                                  scaleCB->isChecked()) &&
 354                                  (angle->text() != "0"));
 355
 356         setAutoText();
 357 }
 358
 359
 360 void GuiGraphicsDialog::on_WidthCB_toggled(bool setWidth)
 361 {
 362         Width->setEnabled(setWidth);
 363         widthUnit->setEnabled(setWidth);
 364         if (setWidth)
 365                 Width->setFocus(Qt::OtherFocusReason);
 366
 367         bool const setHeight = HeightCB->isChecked();
 368         aspectratio->setEnabled(setWidth && setHeight);
 369         aspectratio->blockSignals(true);
 370         aspectratio->setChecked(!(setWidth && setHeight));
 371         aspectratio->blockSignals(false);
 372
 373         scaleCB->setEnabled(!setWidth && !setHeight);
 374         //already will be unchecked, so don't need to do that
 375         Scale->setEnabled((!setWidth && !setHeight) //=scaleCB->isEnabled()
 376                         && scaleCB->isChecked()); //should be false, but let's check
 377         rotateOrderCB->setEnabled((setWidth || setHeight ||
 378                                  scaleCB->isChecked()) &&
 379                                  (angle->text() != "0"));
 380
 381         setAutoText();
 382 }
 383
 384
 385 void GuiGraphicsDialog::on_HeightCB_toggled(bool setHeight)
 386 {
 387         Height->setEnabled(setHeight);
 388         heightUnit->setEnabled(setHeight);
 389         if (setHeight)
 390                 Height->setFocus(Qt::OtherFocusReason);
 391
 392         bool const setWidth = WidthCB->isChecked();
 393         aspectratio->setEnabled(setWidth && setHeight);
 394         aspectratio->blockSignals(true);
 395         aspectratio->setChecked(!(setWidth && setHeight));
 396         aspectratio->blockSignals(false);
 397
 398         scaleCB->setEnabled(!setWidth && !setHeight);
 399         //already unchecked
 400         Scale->setEnabled((!setWidth && !setHeight) //=scaleCB->isEnabled()
 401                 && scaleCB->isChecked()); //should be false
 402         rotateOrderCB->setEnabled((setWidth || setHeight ||
 403                                  scaleCB->isChecked()) &&
 404                                  (angle->text() != "0"));
 405
 406         setAutoText();
 407 }
 408
 409
 410 void GuiGraphicsDialog::on_angle_textChanged(const QString & filename)
 411 {
 412         rotateOrderCB->setEnabled((WidthCB->isChecked() ||
 413                                  HeightCB->isChecked() ||
 414                                  scaleCB->isChecked()) &&
 415                                  (filename != "0"));
 416 }
 417
 418 // returns the number of the string s in the vector v
 419 static int getItemNo(const vector<string> & v, string const & s)
 420 {
 421         vector<string>::const_iterator cit =
 422                     find(v.begin(), v.end(), s);
 423         return (cit != v.end()) ? int(cit - v.begin()) : 0;
 424 }
 425
 426
 427 void GuiGraphicsDialog::updateContents()
 428 {
 429         // clear and fill in the comboboxes
 430         vector<string> const bb_units = frontend::getBBUnits();
 431         lbXunit->clear();
 432         lbYunit->clear();
 433         rtXunit->clear();
 434         rtYunit->clear();
 435         for (vector<string>::const_iterator it = bb_units.begin();
 436             it != bb_units.end(); ++it) {
 437                 lbXunit->addItem(toqstr(*it));
 438                 lbYunit->addItem(toqstr(*it));
 439                 rtXunit->addItem(toqstr(*it));
 440                 rtYunit->addItem(toqstr(*it));
 441         }
 442
 443         InsetGraphicsParams & igp = controller().params();
 444
 445         // set the right default unit
 446         Length::UNIT unitDefault = Length::CM;
 447         switch (lyxrc.default_papersize) {
 448                 case PAPER_USLETTER:
 449                 case PAPER_USLEGAL:
 450                 case PAPER_USEXECUTIVE:
 451                         unitDefault = Length::IN;
 452                         break;
 453                 default:
 454                         break;
 455         }
 456
 457         string const name =
 458                 igp.filename.outputFilename(controller().bufferFilepath());
 459         filename->setText(toqstr(name));
 460     embedCB->setCheckState(igp.filename.embedded() ? Qt::Checked : Qt::Unchecked);
 461
 462         // set the bounding box values
 463         if (igp.bb.empty()) {
 464                 string const bb = controller().readBB(igp.filename.absFilename());
 465                 // the values from the file always have the bigpoint-unit bp
 466                 lbX->setText(toqstr(token(bb, ' ', 0)));
 467                 lbY->setText(toqstr(token(bb, ' ', 1)));
 468                 rtX->setText(toqstr(token(bb, ' ', 2)));
 469                 rtY->setText(toqstr(token(bb, ' ', 3)));
 470                 lbXunit->setCurrentIndex(0);
 471                 lbYunit->setCurrentIndex(0);
 472                 rtXunit->setCurrentIndex(0);
 473                 rtYunit->setCurrentIndex(0);
 474                 controller().bbChanged = false;
 475         } else {
 476                 // get the values from the inset
 477                 Length anyLength;
 478                 string const xl(token(igp.bb, ' ', 0));
 479                 string const yl(token(igp.bb, ' ', 1));
 480                 string const xr(token(igp.bb, ' ', 2));
 481                 string const yr(token(igp.bb, ' ', 3));
 482                 if (isValidLength(xl, &anyLength)) {
 483                         lbX->setText(toqstr(convert<string>(anyLength.value())));
 484                         string const unit(unit_name[anyLength.unit()]);
 485                         lbXunit->setCurrentIndex(getItemNo(bb_units, unit));
 486                 } else {
 487                         lbX->setText(toqstr(xl));
 488                 }
 489                 if (isValidLength(yl, &anyLength)) {
 490                         lbY->setText(toqstr(convert<string>(anyLength.value())));
 491                         string const unit(unit_name[anyLength.unit()]);
 492                         lbYunit->setCurrentIndex(getItemNo(bb_units, unit));
 493                 } else {
 494                         lbY->setText(toqstr(xl));
 495                 }
 496                 if (isValidLength(xr, &anyLength)) {
 497                         rtX->setText(toqstr(convert<string>(anyLength.value())));
 498                         string const unit(unit_name[anyLength.unit()]);
 499                         rtXunit->setCurrentIndex(getItemNo(bb_units, unit));
 500                 } else {
 501                         rtX->setText(toqstr(xl));
 502                 }
 503                 if (isValidLength(yr, &anyLength)) {
 504                         rtY->setText(toqstr(convert<string>(anyLength.value())));
 505                         string const unit(unit_name[anyLength.unit()]);
 506                         rtYunit->setCurrentIndex(getItemNo(bb_units, unit));
 507                 } else {
 508                         rtY->setText(toqstr(xl));
 509                 }
 510                 controller().bbChanged = true;
 511         }
 512
 513         // Update the draft and clip mode
 514         draftCB->setChecked(igp.draft);
 515         clip->setChecked(igp.clip);
 516         unzipCB->setChecked(igp.noUnzip);
 517
 518         // Update the subcaption check button and input field
 519         subfigure->setChecked(igp.subcaption);
 520         subcaption->setText(toqstr(igp.subcaptionText));
 521
 522         int item = 0;
 523         switch (igp.display) {
 524                 case graphics::DefaultDisplay: item = 0; break;
 525                 case graphics::MonochromeDisplay: item = 1; break;
 526                 case graphics::GrayscaleDisplay: item = 2; break;
 527                 case graphics::ColorDisplay: item = 3; break;
 528                 case graphics::NoDisplay: item = 0; break;
 529         }
 530         showCB->setCurrentIndex(item);
 531         displayscale->setText(toqstr(convert<string>(igp.lyxscale)));
 532         displayGB->setChecked(igp.display != graphics::NoDisplay);
 533
 534         // the output section (width/height)
 535
 536         Scale->setText(toqstr(igp.scale));
 537         //igp.scale defaults to 100, so we treat it as empty
 538         bool const scaleChecked = !igp.scale.empty() && igp.scale != "100";
 539         scaleCB->blockSignals(true);
 540         scaleCB->setChecked(scaleChecked);
 541         scaleCB->blockSignals(false);
 542         Scale->setEnabled(scaleChecked);
 543
 544         lengthAutoToWidgets(Width, widthUnit, igp.width,
 545                 unitDefault);
 546         bool const widthChecked = !Width->text().isEmpty() &&
 547                 Width->text() != "auto";
 548         WidthCB->blockSignals(true);
 549         WidthCB->setChecked(widthChecked);
 550         WidthCB->blockSignals(false);
 551         Width->setEnabled(widthChecked);
 552         widthUnit->setEnabled(widthChecked);
 553
 554         lengthAutoToWidgets(Height, heightUnit, igp.height,
 555                 unitDefault);
 556         bool const heightChecked = !Height->text().isEmpty()
 557                 && Height->text() != "auto";
 558         HeightCB->blockSignals(true);
 559         HeightCB->setChecked(heightChecked);
 560         HeightCB->blockSignals(false);
 561         Height->setEnabled(heightChecked);
 562         heightUnit->setEnabled(heightChecked);
 563
 564         scaleCB->setEnabled(!widthChecked && !heightChecked);
 565         WidthCB->setEnabled(!scaleChecked);
 566         HeightCB->setEnabled(!scaleChecked);
 567         aspectratio->setEnabled(widthChecked && heightChecked);
 568
 569         setAutoText();
 570
 571         angle->setText(toqstr(igp.rotateAngle));
 572         rotateOrderCB->setChecked(igp.scaleBeforeRotation);
 573
 574         rotateOrderCB->setEnabled( (widthChecked || heightChecked || scaleChecked)
 575                 && igp.rotateAngle != "0");
 576
 577         origin->clear();
 578
 579         vector<RotationOriginPair> origindata = getRotationOriginData();
 580         vector<docstring> const origin_lang = getFirst(origindata);
 581         origin_ltx = getSecond(origindata);
 582
 583         for (vector<docstring>::const_iterator it = origin_lang.begin();
 584             it != origin_lang.end(); ++it)
 585                 origin->addItem(toqstr(*it));
 586
 587         if (!igp.rotateOrigin.empty())
 588                 origin->setCurrentIndex(
 589                         getItemNo(origin_ltx, igp.rotateOrigin));
 590         else
 591                 origin->setCurrentIndex(0);
 592
 593         // disable edit button when no filename is present
 594         editPB->setDisabled(filename->text().isEmpty());
 595
 596         //// latex section
 597         latexoptions->setText(toqstr(igp.special));
 598 }
 599
 600
 601 void GuiGraphicsDialog::applyView()
 602 {
 603         InsetGraphicsParams & igp = controller().params();
 604
 605         igp.filename.set(internal_path(fromqstr(filename->text())),
 606                          controller().bufferFilepath());
 607         igp.filename.setEmbed(embedCB->checkState() == Qt::Checked);
 608
 609         // the bb section
 610         igp.bb.erase();
 611         if (controller().bbChanged) {
 612                 string bb;
 613                 string lbXs = fromqstr(lbX->text());
 614                 string lbYs = fromqstr(lbY->text());
 615                 string rtXs = fromqstr(rtX->text());
 616                 string rtYs = fromqstr(rtY->text());
 617                 int bb_sum =
 618                         convert<int>(lbXs) + convert<int>(lbYs) +
 619                         convert<int>(rtXs) + convert<int>(rtXs);
 620                 if (bb_sum) {
 621                         if (lbXs.empty())
 622                                 bb = "0 ";
 623                         else
 624                                 bb = lbXs + fromqstr(lbXunit->currentText()) + ' ';
 625                         if (lbYs.empty())
 626                                 bb += "0 ";
 627                         else
 628                                 bb += (lbYs + fromqstr(lbYunit->currentText()) + ' ');
 629                         if (rtXs.empty())
 630                                 bb += "0 ";
 631                         else
 632                                 bb += (rtXs + fromqstr(rtXunit->currentText()) + ' ');
 633                         if (rtYs.empty())
 634                                 bb += '0';
 635                         else
 636                                 bb += (rtYs + fromqstr(rtYunit->currentText()));
 637                         igp.bb = bb;
 638                 }
 639         }
 640
 641         igp.draft = draftCB->isChecked();
 642         igp.clip = clip->isChecked();
 643         igp.subcaption = subfigure->isChecked();
 644         igp.subcaptionText = fromqstr(subcaption->text());
 645
 646         switch (showCB->currentIndex()) {
 647                 case 0: igp.display = graphics::DefaultDisplay; break;
 648                 case 1: igp.display = graphics::MonochromeDisplay; break;
 649                 case 2: igp.display = graphics::GrayscaleDisplay; break;
 650                 case 3: igp.display = graphics::ColorDisplay; break;
 651                 default:;
 652         }
 653
 654         if (!displayGB->isChecked())
 655                 igp.display = graphics::NoDisplay;
 656
 657         //the graphics section
 658         if (scaleCB->isChecked() && !Scale->text().isEmpty()) {
 659                 igp.scale = fromqstr(Scale->text());
 660                 igp.width = Length("0pt");
 661                 igp.height = Length("0pt");
 662                 igp.keepAspectRatio = false;
 663         } else {
 664                 igp.scale = string();
 665                 igp.width = WidthCB->isChecked() ?
 666                         //Note that this works even if Width is "auto", since in
 667                         //that case we get "0pt".
 668                         Length(widgetsToLength(Width, widthUnit)):
 669                         Length("0pt");
 670                 igp.height = HeightCB->isChecked() ?
 671                         Length(widgetsToLength(Height, heightUnit)) :
 672                         Length("0pt");
 673                 igp.keepAspectRatio = aspectratio->isEnabled() &&
 674                         aspectratio->isChecked() &&
 675                         igp.width.value() > 0 && igp.height.value() > 0;
 676         }
 677
 678         igp.noUnzip = unzipCB->isChecked();
 679         igp.lyxscale = displayscale->text().toInt();
 680         igp.rotateAngle = fromqstr(angle->text());
 681
 682         double rotAngle = convert<double>(igp.rotateAngle);
 683         if (std::abs(rotAngle) > 360.0) {
 684                 rotAngle -= 360.0 * floor(rotAngle / 360.0);
 685                 igp.rotateAngle = convert<string>(rotAngle);
 686         }
 687
 688         // save the latex name for the origin. If it is the default
 689         // then origin_ltx returns ""
 690         igp.rotateOrigin = origin_ltx[origin->currentIndex()];
 691         igp.scaleBeforeRotation = rotateOrderCB->isChecked();
 692
 693         // more latex options
 694         igp.special = fromqstr(latexoptions->text());
 695 }
 696
 697
 698 void GuiGraphicsDialog::getBB()
 699 {
 700         string const fn = fromqstr(filename->text());
 701         if (!fn.empty()) {
 702                 string const bb = controller().readBB(fn);
 703                 if (!bb.empty()) {
 704                         lbX->setText(toqstr(token(bb, ' ', 0)));
 705                         lbY->setText(toqstr(token(bb, ' ', 1)));
 706                         rtX->setText(toqstr(token(bb, ' ', 2)));
 707                         rtY->setText(toqstr(token(bb, ' ', 3)));
 708                         // the default units for the bb values when reading
 709                         // it from the file
 710                         lbXunit->setCurrentIndex(0);
 711                         lbYunit->setCurrentIndex(0);
 712                         rtXunit->setCurrentIndex(0);
 713                         rtYunit->setCurrentIndex(0);
 714                 }
 715                 controller().bbChanged = false;
 716         }
 717 }
 718
 719
 720 bool GuiGraphicsDialog::isValid()
 721 {
 722         return !filename->text().isEmpty();
 723 }
 724
 725 } // namespace frontend
 726 } // namespace lyx
 727
 728
 729 #include "GuiGraphics_moc.cpp"