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 #include "frontends/alert.h"
  19 #include "qt_helpers.h"
  20 #include "Validator.h"
  21
  22 #include "Buffer.h"
  23 #include "FuncRequest.h"
  24 #include "LengthCombo.h"
  25 #include "Length.h"
  26 #include "LyXRC.h"
  27 #include "Undo.h"
  28
  29 #include "graphics/GraphicsCache.h"
  30 #include "graphics/GraphicsCacheItem.h"
  31 #include "graphics/GraphicsImage.h"
  32
  33 #include "insets/InsetGraphics.h"
  34
  35 #include "support/convert.h"
  36 #include "support/debug.h"
  37 #include "support/filetools.h"
  38 #include "support/gettext.h"
  39 #include "support/lstrings.h"
  40 #include "support/os.h"
  41 #include "support/Package.h"
  42 #include "support/types.h"
  43
  44 #include <QCheckBox>
  45 #include <QLabel>
  46 #include <QLineEdit>
  47 #include <QPushButton>
  48 #include <QValidator>
  49
  50 #include <cmath>
  51 #include <utility>
  52
  53 using namespace std;
  54 using namespace lyx::support;
  55
  56 namespace {
  57
  58 // These are the strings that are stored in the LyX file and which
  59 // correspond to the LaTeX identifiers shown in the comments at the
  60 // end of each line.
  61 char const * const rorigin_lyx_strs[] = {
  62         // the LaTeX default is leftBaseline
  63         "",
  64         "leftTop",  "leftBottom", "leftBaseline", // lt lb lB
  65         "center", "centerTop", "centerBottom", "centerBaseline", // c ct cb cB
  66         "rightTop", "rightBottom", "rightBaseline" }; // rt rb rB
  67
  68 // These are the strings, corresponding to the above, that the GUI should
  69 // use. Note that they can/should be translated.
  70 char const * const rorigin_gui_strs[] = {
  71         N_("Default"),
  72         N_("Top left"), N_("Bottom left"), N_("Baseline left"),
  73         N_("Center"), N_("Top center"), N_("Bottom center"), N_("Baseline center"),
  74         N_("Top right"), N_("Bottom right"), N_("Baseline right") };
  75
  76 size_t const rorigin_size = sizeof(rorigin_lyx_strs) / sizeof(char *);
  77
  78 static string autostr = N_("automatically");
  79
  80 } // namespace anon
  81
  82
  83 namespace lyx {
  84 namespace frontend {
  85
  86 //FIXME setAutoTextCB should really take an argument, as indicated, that
  87 //determines what text is to be written for "auto". But making
  88 //that work involves more extensive revisions than we now want
  89 //to make, since "auto" also appears in paramsToDialog().
  90 //The right way to do this, I think, would be to define a class
  91 //checkedLengthSet (and a partnering labeledLengthSete) that encapsulated
  92 //the checkbox, line edit, and length combo together, and then made e.g.
  93 //lengthToWidgets, widgetsToLength, etc, all public methods of that class.
  94 //Perhaps even the validator could be exposed through it.
  95 /**
  96  * sets a checkbox-line edit-length combo group, using "text" if the
  97  * checkbox is unchecked and clearing the line edit if it previously
  98  * said "text".
  99 */
 100 static void setAutoTextCB(QCheckBox * checkBox, QLineEdit * lineEdit,
 101         LengthCombo * lengthCombo/*, string text = "auto"*/)
 102 {
 103         if (!checkBox->isChecked())
 104                 lengthToWidgets(lineEdit, lengthCombo,
 105                                 _(autostr), lengthCombo->currentLengthItem());
 106         else if (lineEdit->text() == qt_(autostr))
 107                 lengthToWidgets(lineEdit, lengthCombo, string(),
 108                                 lengthCombo->currentLengthItem());
 109 }
 110
 111
 112 template<class Pair>
 113 vector<typename Pair::first_type> getFirst(vector<Pair> const & pr)
 114 {
 115         size_t const n = pr.size();
 116         vector<typename Pair::first_type> tmp(n);
 117         for (size_t i = 0; i != n; ++i)
 118                 tmp[i] = pr[i].first;
 119         return tmp;
 120 }
 121
 122
 123 ///
 124 template<class Pair>
 125 vector<typename Pair::second_type> getSecond(vector<Pair> const & pr)
 126 {
 127         size_t const n = pr.size();
 128         vector<typename Pair::second_type> tmp(n);
 129         for (size_t i = 0; i != n; ++i)
 130                 tmp[i] = pr[i].second;
 131         return tmp;
 132 }
 133
 134
 135 /// The (tranlated) GUI string and it's LaTeX equivalent.
 136 typedef pair<docstring, string> RotationOriginPair;
 137 ///
 138 vector<RotationOriginPair> getRotationOriginData()
 139 {
 140         static vector<RotationOriginPair> data;
 141         if (!data.empty())
 142                 return data;
 143
 144         data.resize(rorigin_size);
 145         for (size_type i = 0; i < rorigin_size; ++i) {
 146                 data[i] = make_pair(_(rorigin_gui_strs[i]),
 147                                     rorigin_lyx_strs[i]);
 148         }
 149
 150         return data;
 151 }
 152
 153
 154
 155 GuiGraphics::GuiGraphics(GuiView & lv)
 156         : GuiDialog(lv, "graphics", qt_("Graphics"))
 157 {
 158         setupUi(this);
 159
 160         //main buttons
 161         connect(okPB, SIGNAL(clicked()), this, SLOT(slotOK()));
 162         connect(applyPB, SIGNAL(clicked()), this, SLOT(slotApply()));
 163         connect(closePB, SIGNAL(clicked()), this, SLOT(slotClose()));
 164         connect(restorePB, SIGNAL(clicked()), this, SLOT(slotRestore()));
 165
 166         //graphics pane
 167         connect(filename, SIGNAL(textChanged(const QString &)),
 168                 this, SLOT(change_adaptor()));
 169         connect(WidthCB, SIGNAL(clicked()),
 170                 this, SLOT(change_adaptor()));
 171         connect(HeightCB, SIGNAL(clicked()),
 172                 this, SLOT(change_adaptor()));
 173         connect(Width, SIGNAL(textChanged(const QString &)),
 174                 this, SLOT(change_adaptor()));
 175         connect(Height, SIGNAL(textChanged(const QString &)),
 176                 this, SLOT(change_adaptor()));
 177         connect(heightUnit, SIGNAL(selectionChanged(lyx::Length::UNIT)),
 178                 this, SLOT(change_adaptor()));
 179         connect(widthUnit, SIGNAL(selectionChanged(lyx::Length::UNIT)),
 180                 this, SLOT(change_adaptor()));
 181         connect(aspectratio, SIGNAL(stateChanged(int)),
 182                 this, SLOT(change_adaptor()));
 183         connect(angle, SIGNAL(textChanged(const QString &)),
 184                 this, SLOT(change_adaptor()));
 185         connect(origin, SIGNAL(activated(int)),
 186                 this, SLOT(change_adaptor()));
 187         connect(scaleCB, SIGNAL(clicked()),
 188                 this, SLOT(change_adaptor()));
 189         connect(Scale, SIGNAL(textChanged(const QString &)),
 190                 this, SLOT(change_adaptor()));
 191         connect(rotateOrderCB, SIGNAL(clicked()),
 192                 this, SLOT(change_adaptor()));
 193
 194         filename->setValidator(new PathValidator(true, filename));
 195         setFocusProxy(filename);
 196
 197         QDoubleValidator * scaleValidator =
 198                 new DoubleAutoValidator(Scale, qt_(autostr));
 199         scaleValidator->setBottom(0);
 200         scaleValidator->setDecimals(256); //I guess that will do
 201         Scale->setValidator(scaleValidator);
 202         Height->setValidator(unsignedLengthAutoValidator(Height, qt_(autostr)));
 203         Width->setValidator(unsignedLengthAutoValidator(Width, qt_(autostr)));
 204         angle->setValidator(new QDoubleValidator(-360, 360, 2, angle));
 205
 206         //clipping pane
 207         connect(clip, SIGNAL(stateChanged(int)),
 208                 this, SLOT(change_adaptor()));
 209         connect(lbY, SIGNAL(textChanged(const QString&)),
 210                 this, SLOT(change_bb()));
 211         connect(lbYunit, SIGNAL(activated(int)),
 212                 this, SLOT(change_bb()));
 213         connect(rtY, SIGNAL(textChanged(const QString&)),
 214                 this, SLOT(change_bb()));
 215         connect(rtYunit, SIGNAL(activated(int)),
 216                 this, SLOT(change_bb()));
 217         connect(lbX, SIGNAL(textChanged(const QString&)),
 218                 this, SLOT(change_bb()));
 219         connect(lbXunit, SIGNAL(activated(int)),
 220                 this, SLOT(change_bb()));
 221         connect(rtX, SIGNAL(textChanged(const QString&)),
 222                 this, SLOT(change_bb()));
 223         connect(rtXunit, SIGNAL(activated(int)),
 224                 this, SLOT(change_bb()));
 225         connect(getPB, SIGNAL(clicked()),
 226                 this, SLOT(change_adaptor()));
 227
 228         lbX->setValidator(new QDoubleValidator(lbX));
 229         lbY->setValidator(new QDoubleValidator(lbY));
 230         rtX->setValidator(new QDoubleValidator(rtX));
 231         rtY->setValidator(new QDoubleValidator(rtY));
 232
 233         //extra options pane
 234         connect(latexoptions, SIGNAL(textChanged(const QString&)),
 235                 this, SLOT(change_adaptor()));
 236         connect(draftCB, SIGNAL(stateChanged(int)),
 237                 this, SLOT(change_adaptor()));
 238         connect(unzipCB, SIGNAL(stateChanged(int)),
 239                 this, SLOT(change_adaptor()));
 240         // FIXME: we should connect to clicked() when we move to Qt 4.2 because
 241         // the toggled(bool) signal is also trigged when we update the widgets
 242         // (rgh-4/07) this isn't as much or a problem as it was, because we're now
 243         // using blockSignals() to keep from triggering that signal when we call
 244         // setChecked(). Note, too, that clicked() would get called whenever it
 245         // is clicked, even right clicked (I think), not just whenever it is
 246         // toggled.
 247         connect(displayGB, SIGNAL(toggled(bool)), this, SLOT(change_adaptor()));
 248         connect(displayscale, SIGNAL(textChanged(const QString&)),
 249                 this, SLOT(change_adaptor()));
 250         connect(groupCO, SIGNAL(currentIndexChanged(int)),
 251                 this, SLOT(change_group(int)));
 252
 253         displayscale->setValidator(new QIntValidator(displayscale));
 254
 255         bc().setPolicy(ButtonPolicy::NoRepeatedApplyReadOnlyPolicy);
 256         bc().setOK(okPB);
 257         bc().setApply(applyPB);
 258         bc().setRestore(restorePB);
 259         bc().setCancel(closePB);
 260
 261         bc().addReadOnly(latexoptions);
 262         bc().addReadOnly(filenameL);
 263         bc().addReadOnly(filename);
 264         bc().addReadOnly(browsePB);
 265         bc().addReadOnly(unzipCB);
 266         bc().addReadOnly(bbFrame);
 267         bc().addReadOnly(draftCB);
 268         bc().addReadOnly(clip);
 269         bc().addReadOnly(unzipCB);
 270         bc().addReadOnly(displayGB);
 271         bc().addReadOnly(sizeGB);
 272         bc().addReadOnly(rotationGB);
 273         bc().addReadOnly(latexoptions);
 274         bc().addReadOnly(getPB);
 275         bc().addReadOnly(rotateOrderCB);
 276
 277         // initialize the length validator
 278         bc().addCheckedLineEdit(Scale, scaleCB);
 279         bc().addCheckedLineEdit(Width, WidthCB);
 280         bc().addCheckedLineEdit(Height, HeightCB);
 281         bc().addCheckedLineEdit(displayscale, scaleLA);
 282         bc().addCheckedLineEdit(angle, angleL);
 283         bc().addCheckedLineEdit(lbX, xL);
 284         bc().addCheckedLineEdit(lbY, yL);
 285         bc().addCheckedLineEdit(rtX, xL_2);
 286         bc().addCheckedLineEdit(rtY, yL_2);
 287         bc().addCheckedLineEdit(filename, filenameL);
 288 }
 289
 290
 291 void GuiGraphics::change_adaptor()
 292 {
 293         changed();
 294 }
 295
 296
 297 void GuiGraphics::change_group(int index)
 298 {
 299         QString const group = groupCO->itemData(
 300                 groupCO->currentIndex()).toString();
 301
 302         if (group.isEmpty()) {
 303                 changed();
 304                 return;
 305         }
 306
 307         string grp = graphics::getGroupParams(buffer(), fromqstr(group));
 308         if (grp.empty()) {
 309                 // group does not exist yet
 310                 changed();
 311                 return;
 312         }
 313
 314         // filename might have been changed
 315         QString current_filename = filename->text();
 316
 317         // group exists: load params into the dialog
 318         groupCO->blockSignals(true);
 319         InsetGraphicsParams par;
 320         InsetGraphics::string2params(grp, buffer(), par);
 321         par.filename = params_.filename;
 322         params_ = par;
 323         paramsToDialog(par);
 324         groupCO->blockSignals(false);
 325
 326         // reset filename
 327         filename->setText(current_filename);
 328
 329         changed();
 330 }
 331
 332
 333 void GuiGraphics::on_newGroupPB_clicked()
 334 {
 335         docstring newgroup;
 336         if (!Alert::askForText(newgroup, _("Enter unique group name:")))
 337                 return;
 338         if (newgroup.empty())
 339                 return;
 340         if (groupCO->findData(toqstr(newgroup), Qt::MatchExactly) != -1) {
 341                 Alert::warning(_("Group already defined!"),
 342                         bformat(_("A graphics group with the name '%1$s' already exists."),
 343                                 newgroup));
 344                 return;
 345         }
 346         groupCO->addItem(toqstr(newgroup), toqstr(newgroup));
 347         groupCO->setCurrentIndex(
 348                 groupCO->findData(toqstr(newgroup), Qt::MatchExactly));
 349 }
 350
 351
 352 void GuiGraphics::change_bb()
 353 {
 354         bbChanged = true;
 355         LYXERR(Debug::GRAPHICS, "[bb_Changed set to true]");
 356         changed();
 357 }
 358
 359
 360 void GuiGraphics::on_browsePB_clicked()
 361 {
 362         QString const str = browse(filename->text());
 363         if (!str.isEmpty()) {
 364                 filename->setText(str);
 365                 changed();
 366         }
 367 }
 368
 369
 370 void GuiGraphics::on_getPB_clicked()
 371 {
 372         getBB();
 373 }
 374
 375
 376 void GuiGraphics::setAutoText()
 377 {
 378         if (scaleCB->isChecked())
 379                 return;
 380         if (!Scale->isEnabled() && Scale->text() != "100")
 381                 Scale->setText(qt_(autostr));
 382
 383         setAutoTextCB(WidthCB, Width, widthUnit);
 384         setAutoTextCB(HeightCB, Height, heightUnit);
 385 }
 386
 387
 388 void GuiGraphics::on_scaleCB_toggled(bool setScale)
 389 {
 390         Scale->setEnabled(setScale);
 391         if (setScale) {
 392                 Scale->setText("100");
 393                 Scale->setFocus(Qt::OtherFocusReason);
 394         }
 395
 396         WidthCB->setDisabled(setScale);
 397         WidthCB->blockSignals(true);
 398         WidthCB->setChecked(false);
 399         WidthCB->blockSignals(false);
 400         Width->setEnabled(false);
 401         widthUnit->setEnabled(false);
 402
 403         HeightCB->setDisabled(setScale);
 404         HeightCB->blockSignals(true);
 405         HeightCB->setChecked(false);
 406         HeightCB->blockSignals(false);
 407         Height->setEnabled(false);
 408         heightUnit->setEnabled(false);
 409
 410         aspectratio->setDisabled(true);
 411         aspectratio->setChecked(true);
 412
 413         rotateOrderCB->setEnabled((WidthCB->isChecked() ||
 414                                  HeightCB->isChecked() ||
 415                                  scaleCB->isChecked()) &&
 416                                  (angle->text() != "0"));
 417
 418         setAutoText();
 419 }
 420
 421
 422 void GuiGraphics::on_WidthCB_toggled(bool setWidth)
 423 {
 424         Width->setEnabled(setWidth);
 425         widthUnit->setEnabled(setWidth);
 426         if (setWidth)
 427                 Width->setFocus(Qt::OtherFocusReason);
 428
 429         bool const setHeight = HeightCB->isChecked();
 430         aspectratio->setEnabled(setWidth && setHeight);
 431         aspectratio->blockSignals(true);
 432         aspectratio->setChecked(!(setWidth && setHeight));
 433         aspectratio->blockSignals(false);
 434
 435         scaleCB->setEnabled(!setWidth && !setHeight);
 436         //already will be unchecked, so don't need to do that
 437         Scale->setEnabled((!setWidth && !setHeight) //=scaleCB->isEnabled()
 438                         && scaleCB->isChecked()); //should be false, but let's check
 439         rotateOrderCB->setEnabled((setWidth || setHeight ||
 440                                  scaleCB->isChecked()) &&
 441                                  (angle->text() != "0"));
 442
 443         setAutoText();
 444 }
 445
 446
 447 void GuiGraphics::on_HeightCB_toggled(bool setHeight)
 448 {
 449         Height->setEnabled(setHeight);
 450         heightUnit->setEnabled(setHeight);
 451         if (setHeight)
 452                 Height->setFocus(Qt::OtherFocusReason);
 453
 454         bool const setWidth = WidthCB->isChecked();
 455         aspectratio->setEnabled(setWidth && setHeight);
 456         aspectratio->blockSignals(true);
 457         aspectratio->setChecked(!(setWidth && setHeight));
 458         aspectratio->blockSignals(false);
 459
 460         scaleCB->setEnabled(!setWidth && !setHeight);
 461         //already unchecked
 462         Scale->setEnabled((!setWidth && !setHeight) //=scaleCB->isEnabled()
 463                 && scaleCB->isChecked()); //should be false
 464         rotateOrderCB->setEnabled((setWidth || setHeight ||
 465                                  scaleCB->isChecked()) &&
 466                                  (angle->text() != "0"));
 467
 468         setAutoText();
 469 }
 470
 471
 472 void GuiGraphics::on_angle_textChanged(const QString & filename)
 473 {
 474         rotateOrderCB->setEnabled((WidthCB->isChecked() ||
 475                                  HeightCB->isChecked() ||
 476                                  scaleCB->isChecked()) &&
 477                                  (filename != "0"));
 478 }
 479
 480 // returns the number of the string s in the vector v
 481 static int itemNumber(const vector<string> & v, string const & s)
 482 {
 483         vector<string>::const_iterator cit =
 484                     find(v.begin(), v.end(), s);
 485         return (cit != v.end()) ? int(cit - v.begin()) : 0;
 486 }
 487
 488
 489 void GuiGraphics::paramsToDialog(InsetGraphicsParams const & igp)
 490 {
 491         static char const * const bb_units[] = { "bp", "cm", "mm", "in" };
 492         size_t const bb_size = sizeof(bb_units) / sizeof(bb_units[0]);
 493
 494         vector<string> const units = vector<string>(bb_units, bb_units + bb_size);
 495         lbXunit->clear();
 496         lbYunit->clear();
 497         rtXunit->clear();
 498         rtYunit->clear();
 499         for (vector<string>::const_iterator it = units.begin();
 500             it != units.end(); ++it) {
 501                 lbXunit->addItem(toqstr(*it));
 502                 lbYunit->addItem(toqstr(*it));
 503                 rtXunit->addItem(toqstr(*it));
 504                 rtYunit->addItem(toqstr(*it));
 505         }
 506
 507         // set the right default unit
 508         Length::UNIT unitDefault = Length::CM;
 509         switch (lyxrc.default_papersize) {
 510                 case PAPER_USLETTER:
 511                 case PAPER_USLEGAL:
 512                 case PAPER_USEXECUTIVE:
 513                         unitDefault = Length::IN;
 514                         break;
 515                 default:
 516                         break;
 517         }
 518
 519         //lyxerr << bufferFilepath();
 520         string const name =
 521                 igp.filename.outputFilename(fromqstr(bufferFilepath()));
 522         filename->setText(toqstr(name));
 523
 524         // set the bounding box values
 525         if (igp.bb.empty()) {
 526                 string const bb = readBoundingBox(igp.filename.absFilename());
 527                 // the values from the file always have the bigpoint-unit bp
 528                 lbX->setText(toqstr(token(bb, ' ', 0)));
 529                 lbY->setText(toqstr(token(bb, ' ', 1)));
 530                 rtX->setText(toqstr(token(bb, ' ', 2)));
 531                 rtY->setText(toqstr(token(bb, ' ', 3)));
 532                 lbXunit->setCurrentIndex(0);
 533                 lbYunit->setCurrentIndex(0);
 534                 rtXunit->setCurrentIndex(0);
 535                 rtYunit->setCurrentIndex(0);
 536                 bbChanged = false;
 537         } else {
 538                 // get the values from the inset
 539                 Length anyLength;
 540                 string const xl = token(igp.bb, ' ', 0);
 541                 string const yl = token(igp.bb, ' ', 1);
 542                 string const xr = token(igp.bb, ' ', 2);
 543                 string const yr = token(igp.bb, ' ', 3);
 544                 if (isValidLength(xl, &anyLength)) {
 545                         lbX->setText(toqstr(convert<string>(anyLength.value())));
 546                         string const unit = unit_name[anyLength.unit()];
 547                         lbXunit->setCurrentIndex(itemNumber(units, unit));
 548                 } else {
 549                         lbX->setText(toqstr(xl));
 550                 }
 551                 if (isValidLength(yl, &anyLength)) {
 552                         lbY->setText(toqstr(convert<string>(anyLength.value())));
 553                         string const unit = unit_name[anyLength.unit()];
 554                         lbYunit->setCurrentIndex(itemNumber(units, unit));
 555                 } else {
 556                         lbY->setText(toqstr(xl));
 557                 }
 558                 if (isValidLength(xr, &anyLength)) {
 559                         rtX->setText(toqstr(convert<string>(anyLength.value())));
 560                         string const unit = unit_name[anyLength.unit()];
 561                         rtXunit->setCurrentIndex(itemNumber(units, unit));
 562                 } else {
 563                         rtX->setText(toqstr(xl));
 564                 }
 565                 if (isValidLength(yr, &anyLength)) {
 566                         rtY->setText(toqstr(convert<string>(anyLength.value())));
 567                         string const unit = unit_name[anyLength.unit()];
 568                         rtYunit->setCurrentIndex(itemNumber(units, unit));
 569                 } else {
 570                         rtY->setText(toqstr(xl));
 571                 }
 572                 bbChanged = true;
 573         }
 574
 575         // Update the draft and clip mode
 576         draftCB->setChecked(igp.draft);
 577         clip->setChecked(igp.clip);
 578         unzipCB->setChecked(igp.noUnzip);
 579         displayGB->setChecked(igp.display);
 580         displayscale->setText(toqstr(convert<string>(igp.lyxscale)));
 581
 582         // the output section (width/height)
 583
 584         Scale->setText(toqstr(igp.scale));
 585         //igp.scale defaults to 100, so we treat it as empty
 586         bool const scaleChecked = !igp.scale.empty() && igp.scale != "100";
 587         scaleCB->blockSignals(true);
 588         scaleCB->setChecked(scaleChecked);
 589         scaleCB->blockSignals(false);
 590         Scale->setEnabled(scaleChecked);
 591         displayGB->setEnabled(lyxrc.display_graphics);
 592
 593         set<string> grp;
 594         graphics::getGraphicsGroups(buffer(), grp);
 595         set<string>::const_iterator it = grp.begin();
 596         set<string>::const_iterator end = grp.end();
 597         groupCO->blockSignals(true);
 598         groupCO->clear();
 599         for (; it != end; it++)
 600                 groupCO->addItem(toqstr(*it), toqstr(*it));
 601         groupCO->insertItem(0, qt_("None"), QString());
 602         if (igp.groupId.empty())
 603                 groupCO->setCurrentIndex(0);
 604         else
 605                 groupCO->setCurrentIndex(
 606                         groupCO->findData(toqstr(igp.groupId), Qt::MatchExactly));
 607         groupCO->blockSignals(false);
 608
 609         if (igp.width.value() == 0)
 610                 lengthToWidgets(Width, widthUnit, _(autostr), unitDefault);
 611         else
 612                 lengthToWidgets(Width, widthUnit, igp.width, unitDefault);
 613
 614         bool const widthChecked = !Width->text().isEmpty() &&
 615                 Width->text() != qt_(autostr);
 616         WidthCB->blockSignals(true);
 617         WidthCB->setChecked(widthChecked);
 618         WidthCB->blockSignals(false);
 619         Width->setEnabled(widthChecked);
 620         widthUnit->setEnabled(widthChecked);
 621
 622         if (igp.height.value() == 0)
 623                 lengthToWidgets(Height, heightUnit, _(autostr), unitDefault);
 624         else
 625                 lengthToWidgets(Height, heightUnit, igp.height, unitDefault);
 626
 627         bool const heightChecked = !Height->text().isEmpty()
 628                 && Height->text() != qt_(autostr);
 629         HeightCB->blockSignals(true);
 630         HeightCB->setChecked(heightChecked);
 631         HeightCB->blockSignals(false);
 632         Height->setEnabled(heightChecked);
 633         heightUnit->setEnabled(heightChecked);
 634
 635         scaleCB->setEnabled(!widthChecked && !heightChecked);
 636         WidthCB->setEnabled(!scaleChecked);
 637         HeightCB->setEnabled(!scaleChecked);
 638         aspectratio->setEnabled(widthChecked && heightChecked);
 639
 640         setAutoText();
 641
 642         angle->setText(toqstr(igp.rotateAngle));
 643         rotateOrderCB->setChecked(igp.scaleBeforeRotation);
 644
 645         rotateOrderCB->setEnabled( (widthChecked || heightChecked || scaleChecked)
 646                 && igp.rotateAngle != "0");
 647
 648         origin->clear();
 649
 650         vector<RotationOriginPair> origindata = getRotationOriginData();
 651         vector<docstring> const origin_lang = getFirst(origindata);
 652         origin_ltx = getSecond(origindata);
 653
 654         for (vector<docstring>::const_iterator it = origin_lang.begin();
 655             it != origin_lang.end(); ++it)
 656                 origin->addItem(toqstr(*it));
 657
 658         if (!igp.rotateOrigin.empty())
 659                 origin->setCurrentIndex(itemNumber(origin_ltx, igp.rotateOrigin));
 660         else
 661                 origin->setCurrentIndex(0);
 662
 663         // latex section
 664         latexoptions->setText(toqstr(igp.special));
 665 }
 666
 667
 668 void GuiGraphics::applyView()
 669 {
 670         InsetGraphicsParams & igp = params_;
 671
 672         igp.filename.set(fromqstr(filename->text()), fromqstr(bufferFilepath()));
 673
 674         // the bb section
 675         igp.bb.erase();
 676         if (bbChanged) {
 677                 string bb;
 678                 string lbXs = fromqstr(lbX->text());
 679                 string lbYs = fromqstr(lbY->text());
 680                 string rtXs = fromqstr(rtX->text());
 681                 string rtYs = fromqstr(rtY->text());
 682                 int bb_sum =
 683                         convert<int>(lbXs) + convert<int>(lbYs) +
 684                         convert<int>(rtXs) + convert<int>(rtXs);
 685                 if (bb_sum) {
 686                         if (lbXs.empty())
 687                                 bb = "0 ";
 688                         else
 689                                 bb = lbXs + fromqstr(lbXunit->currentText()) + ' ';
 690                         if (lbYs.empty())
 691                                 bb += "0 ";
 692                         else
 693                                 bb += (lbYs + fromqstr(lbYunit->currentText()) + ' ');
 694                         if (rtXs.empty())
 695                                 bb += "0 ";
 696                         else
 697                                 bb += (rtXs + fromqstr(rtXunit->currentText()) + ' ');
 698                         if (rtYs.empty())
 699                                 bb += '0';
 700                         else
 701                                 bb += (rtYs + fromqstr(rtYunit->currentText()));
 702                         igp.bb = bb;
 703                 }
 704         }
 705
 706         igp.draft = draftCB->isChecked();
 707         igp.clip = clip->isChecked();
 708         igp.display = displayGB->isChecked();
 709
 710         //the graphics section
 711         if (scaleCB->isChecked() && !Scale->text().isEmpty()) {
 712                 igp.scale = fromqstr(Scale->text());
 713                 igp.width = Length("0pt");
 714                 igp.height = Length("0pt");
 715                 igp.keepAspectRatio = false;
 716         } else {
 717                 igp.scale = string();
 718                 igp.width = WidthCB->isChecked() ?
 719                         //Note that this works even if Width is "auto", since in
 720                         //that case we get "0pt".
 721                         Length(widgetsToLength(Width, widthUnit)):
 722                         Length("0pt");
 723                 igp.height = HeightCB->isChecked() ?
 724                         Length(widgetsToLength(Height, heightUnit)) :
 725                         Length("0pt");
 726                 igp.keepAspectRatio = aspectratio->isEnabled() &&
 727                         aspectratio->isChecked() &&
 728                         igp.width.value() > 0 && igp.height.value() > 0;
 729         }
 730
 731         igp.noUnzip = unzipCB->isChecked();
 732         igp.lyxscale = displayscale->text().toInt();
 733         igp.rotateAngle = fromqstr(angle->text());
 734
 735         double rotAngle = convert<double>(igp.rotateAngle);
 736         if (abs(rotAngle) > 360.0) {
 737                 rotAngle -= 360.0 * floor(rotAngle / 360.0);
 738                 igp.rotateAngle = convert<string>(rotAngle);
 739         }
 740
 741         // save the latex name for the origin. If it is the default
 742         // then origin_ltx returns ""
 743         igp.rotateOrigin = origin_ltx[origin->currentIndex()];
 744         igp.scaleBeforeRotation = rotateOrderCB->isChecked();
 745
 746         // more latex options
 747         igp.special = fromqstr(latexoptions->text());
 748
 749         igp.groupId = fromqstr(groupCO->itemData(
 750                 groupCO->currentIndex()).toString());
 751 }
 752
 753
 754 void GuiGraphics::getBB()
 755 {
 756         string const fn = fromqstr(filename->text());
 757         if (fn.empty())
 758                 return;
 759         string const bb = readBoundingBox(fn);
 760         bbChanged = false;
 761         if (bb.empty())
 762                 return;
 763         lbX->setText(toqstr(token(bb, ' ', 0)));
 764         lbY->setText(toqstr(token(bb, ' ', 1)));
 765         rtX->setText(toqstr(token(bb, ' ', 2)));
 766         rtY->setText(toqstr(token(bb, ' ', 3)));
 767         // the default units for the bb values when reading
 768         // it from the file
 769         lbXunit->setCurrentIndex(0);
 770         lbYunit->setCurrentIndex(0);
 771         rtXunit->setCurrentIndex(0);
 772         rtYunit->setCurrentIndex(0);
 773 }
 774
 775
 776 bool GuiGraphics::isValid()
 777 {
 778         return !filename->text().isEmpty();
 779 }
 780
 781
 782 bool GuiGraphics::initialiseParams(string const & data)
 783 {
 784         InsetGraphics::string2params(data, buffer(), params_);
 785         paramsToDialog(params_);
 786         return true;
 787 }
 788
 789
 790 void GuiGraphics::clearParams()
 791 {
 792         params_ = InsetGraphicsParams();
 793 }
 794
 795
 796 void GuiGraphics::dispatchParams()
 797 {
 798         InsetGraphicsParams tmp_params(params_);
 799         string const lfun = InsetGraphics::params2string(tmp_params, buffer());
 800         dispatch(FuncRequest(getLfun(), lfun));
 801 }
 802
 803
 804 QString GuiGraphics::browse(QString const & in_name) const
 805 {
 806         QString const title = qt_("Select graphics file");
 807
 808         // Does user clipart directory exist?
 809         string clipdir = addName(package().user_support().absFilename(), "clipart");
 810         FileName clip(clipdir);
 811
 812         // bail out to system clipart directory
 813         if (!clip.isDirectory())
 814                 clipdir = addName(package().system_support().absFilename(), "clipart");
 815
 816         return browseRelFile(in_name, bufferFilepath(),
 817                 title, fileFilters(QString()), false,
 818                 qt_("Clipart|#C#c"), toqstr(clipdir),
 819                 qt_("Documents|#o#O"), toqstr(lyxrc.document_path));
 820 }
 821
 822
 823 string GuiGraphics::readBoundingBox(string const & file)
 824 {
 825         FileName const abs_file = support::makeAbsPath(file, fromqstr(bufferFilepath()));
 826
 827         // try to get it from the file, if possible. Zipped files are
 828         // unzipped in the readBB_from_PSFile-Function
 829         string const bb = readBB_from_PSFile(abs_file);
 830         if (!bb.empty())
 831                 return bb;
 832
 833         // we don't, so ask the Graphics Cache if it has loaded the file
 834         int width = 0;
 835         int height = 0;
 836
 837         graphics::Cache & gc = graphics::Cache::get();
 838         if (gc.inCache(abs_file)) {
 839                 graphics::Image const * image = gc.item(abs_file)->image();
 840
 841                 if (image) {
 842                         width  = image->width();
 843                         height = image->height();
 844                 }
 845         }
 846
 847         return ("0 0 " + convert<string>(width) + ' ' + convert<string>(height));
 848 }
 849
 850
 851 bool GuiGraphics::isFileNameValid(string const & fname) const
 852 {
 853         // It may be that the filename is relative.
 854         return support::makeAbsPath(fname, fromqstr(bufferFilepath())).isReadableFile();
 855 }
 856
 857
 858 Dialog * createGuiGraphics(GuiView & lv) { return new GuiGraphics(lv); }
 859
 860
 861 } // namespace frontend
 862 } // namespace lyx
 863
 864 #include "moc_GuiGraphics.cpp"