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