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