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