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(textChanged(const QString&)),
 247                 this, SLOT(change_adaptor()));
 248         displayscale->setValidator(new QIntValidator(displayscale));
 249
 250         bc().setPolicy(ButtonPolicy::NoRepeatedApplyReadOnlyPolicy);
 251         bc().setOK(okPB);
 252         bc().setApply(applyPB);
 253         bc().setRestore(restorePB);
 254         bc().setCancel(closePB);
 255
 256         bc().addReadOnly(latexoptions);
 257         bc().addReadOnly(filenameL);
 258         bc().addReadOnly(filename);
 259         bc().addReadOnly(browsePB);
 260         bc().addReadOnly(unzipCB);
 261         bc().addReadOnly(bbFrame);
 262         bc().addReadOnly(draftCB);
 263         bc().addReadOnly(clip);
 264         bc().addReadOnly(unzipCB);
 265         bc().addReadOnly(displayGB);
 266         bc().addReadOnly(sizeGB);
 267         bc().addReadOnly(rotationGB);
 268         bc().addReadOnly(latexoptions);
 269         bc().addReadOnly(getPB);
 270         bc().addReadOnly(rotateOrderCB);
 271
 272         // initialize the length validator
 273         bc().addCheckedLineEdit(Scale, scaleCB);
 274         bc().addCheckedLineEdit(Width, WidthCB);
 275         bc().addCheckedLineEdit(Height, HeightCB);
 276         bc().addCheckedLineEdit(displayscale, scaleLA);
 277         bc().addCheckedLineEdit(angle, angleL);
 278         bc().addCheckedLineEdit(lbX, xL);
 279         bc().addCheckedLineEdit(lbY, yL);
 280         bc().addCheckedLineEdit(rtX, xL_2);
 281         bc().addCheckedLineEdit(rtY, yL_2);
 282         bc().addCheckedLineEdit(filename, filenameL);
 283 }
 284
 285
 286 void GuiGraphics::change_adaptor()
 287 {
 288         changed();
 289 }
 290
 291
 292 void GuiGraphics::change_bb()
 293 {
 294         bbChanged = true;
 295         LYXERR(Debug::GRAPHICS, "[bb_Changed set to true]");
 296         changed();
 297 }
 298
 299
 300 void GuiGraphics::on_browsePB_clicked()
 301 {
 302         QString const str = browse(filename->text());
 303         if (!str.isEmpty()) {
 304                 filename->setText(str);
 305                 changed();
 306         }
 307 }
 308
 309
 310 void GuiGraphics::on_getPB_clicked()
 311 {
 312         getBB();
 313 }
 314
 315
 316 void GuiGraphics::setAutoText()
 317 {
 318         if (scaleCB->isChecked())
 319                 return;
 320         if (!Scale->isEnabled() && Scale->text() != "100")
 321                 Scale->setText(QString("auto"));
 322
 323         setAutoTextCB(WidthCB, Width, widthUnit);
 324         setAutoTextCB(HeightCB, Height, heightUnit);
 325 }
 326
 327
 328 void GuiGraphics::on_scaleCB_toggled(bool setScale)
 329 {
 330         Scale->setEnabled(setScale);
 331         if (setScale) {
 332                 Scale->setText("100");
 333                 Scale->setFocus(Qt::OtherFocusReason);
 334         }
 335
 336         WidthCB->setDisabled(setScale);
 337         WidthCB->blockSignals(true);
 338         WidthCB->setChecked(false);
 339         WidthCB->blockSignals(false);
 340         Width->setEnabled(false);
 341         widthUnit->setEnabled(false);
 342
 343         HeightCB->setDisabled(setScale);
 344         HeightCB->blockSignals(true);
 345         HeightCB->setChecked(false);
 346         HeightCB->blockSignals(false);
 347         Height->setEnabled(false);
 348         heightUnit->setEnabled(false);
 349
 350         aspectratio->setDisabled(true);
 351         aspectratio->setChecked(true);
 352
 353         rotateOrderCB->setEnabled((WidthCB->isChecked() ||
 354                                  HeightCB->isChecked() ||
 355                                  scaleCB->isChecked()) &&
 356                                  (angle->text() != "0"));
 357
 358         setAutoText();
 359 }
 360
 361
 362 void GuiGraphics::on_WidthCB_toggled(bool setWidth)
 363 {
 364         Width->setEnabled(setWidth);
 365         widthUnit->setEnabled(setWidth);
 366         if (setWidth)
 367                 Width->setFocus(Qt::OtherFocusReason);
 368
 369         bool const setHeight = HeightCB->isChecked();
 370         aspectratio->setEnabled(setWidth && setHeight);
 371         aspectratio->blockSignals(true);
 372         aspectratio->setChecked(!(setWidth && setHeight));
 373         aspectratio->blockSignals(false);
 374
 375         scaleCB->setEnabled(!setWidth && !setHeight);
 376         //already will be unchecked, so don't need to do that
 377         Scale->setEnabled((!setWidth && !setHeight) //=scaleCB->isEnabled()
 378                         && scaleCB->isChecked()); //should be false, but let's check
 379         rotateOrderCB->setEnabled((setWidth || setHeight ||
 380                                  scaleCB->isChecked()) &&
 381                                  (angle->text() != "0"));
 382
 383         setAutoText();
 384 }
 385
 386
 387 void GuiGraphics::on_HeightCB_toggled(bool setHeight)
 388 {
 389         Height->setEnabled(setHeight);
 390         heightUnit->setEnabled(setHeight);
 391         if (setHeight)
 392                 Height->setFocus(Qt::OtherFocusReason);
 393
 394         bool const setWidth = WidthCB->isChecked();
 395         aspectratio->setEnabled(setWidth && setHeight);
 396         aspectratio->blockSignals(true);
 397         aspectratio->setChecked(!(setWidth && setHeight));
 398         aspectratio->blockSignals(false);
 399
 400         scaleCB->setEnabled(!setWidth && !setHeight);
 401         //already unchecked
 402         Scale->setEnabled((!setWidth && !setHeight) //=scaleCB->isEnabled()
 403                 && scaleCB->isChecked()); //should be false
 404         rotateOrderCB->setEnabled((setWidth || setHeight ||
 405                                  scaleCB->isChecked()) &&
 406                                  (angle->text() != "0"));
 407
 408         setAutoText();
 409 }
 410
 411
 412 void GuiGraphics::on_angle_textChanged(const QString & filename)
 413 {
 414         rotateOrderCB->setEnabled((WidthCB->isChecked() ||
 415                                  HeightCB->isChecked() ||
 416                                  scaleCB->isChecked()) &&
 417                                  (filename != "0"));
 418 }
 419
 420 // returns the number of the string s in the vector v
 421 static int itemNumber(const vector<string> & v, string const & s)
 422 {
 423         vector<string>::const_iterator cit =
 424                     find(v.begin(), v.end(), s);
 425         return (cit != v.end()) ? int(cit - v.begin()) : 0;
 426 }
 427
 428
 429 void GuiGraphics::paramsToDialog(InsetGraphicsParams const & igp)
 430 {
 431         static char const * const bb_units[] = { "bp", "cm", "mm", "in" };
 432         size_t const bb_size = sizeof(bb_units) / sizeof(bb_units[0]);
 433
 434         vector<string> const units = vector<string>(bb_units, bb_units + bb_size);
 435         lbXunit->clear();
 436         lbYunit->clear();
 437         rtXunit->clear();
 438         rtYunit->clear();
 439         for (vector<string>::const_iterator it = units.begin();
 440             it != units.end(); ++it) {
 441                 lbXunit->addItem(toqstr(*it));
 442                 lbYunit->addItem(toqstr(*it));
 443                 rtXunit->addItem(toqstr(*it));
 444                 rtYunit->addItem(toqstr(*it));
 445         }
 446
 447         // set the right default unit
 448         Length::UNIT unitDefault = Length::CM;
 449         switch (lyxrc.default_papersize) {
 450                 case PAPER_USLETTER:
 451                 case PAPER_USLEGAL:
 452                 case PAPER_USEXECUTIVE:
 453                         unitDefault = Length::IN;
 454                         break;
 455                 default:
 456                         break;
 457         }
 458
 459         //lyxerr << bufferFilepath();
 460         string const name =
 461                 igp.filename.outputFilename(fromqstr(bufferFilepath()));
 462         filename->setText(toqstr(name));
 463
 464         // set the bounding box values
 465         if (igp.bb.empty()) {
 466                 string const bb = readBoundingBox(igp.filename.absFilename());
 467                 // the values from the file always have the bigpoint-unit bp
 468                 lbX->setText(toqstr(token(bb, ' ', 0)));
 469                 lbY->setText(toqstr(token(bb, ' ', 1)));
 470                 rtX->setText(toqstr(token(bb, ' ', 2)));
 471                 rtY->setText(toqstr(token(bb, ' ', 3)));
 472                 lbXunit->setCurrentIndex(0);
 473                 lbYunit->setCurrentIndex(0);
 474                 rtXunit->setCurrentIndex(0);
 475                 rtYunit->setCurrentIndex(0);
 476                 bbChanged = false;
 477         } else {
 478                 // get the values from the inset
 479                 Length anyLength;
 480                 string const xl = token(igp.bb, ' ', 0);
 481                 string const yl = token(igp.bb, ' ', 1);
 482                 string const xr = token(igp.bb, ' ', 2);
 483                 string const yr = token(igp.bb, ' ', 3);
 484                 if (isValidLength(xl, &anyLength)) {
 485                         lbX->setText(toqstr(convert<string>(anyLength.value())));
 486                         string const unit = unit_name[anyLength.unit()];
 487                         lbXunit->setCurrentIndex(itemNumber(units, unit));
 488                 } else {
 489                         lbX->setText(toqstr(xl));
 490                 }
 491                 if (isValidLength(yl, &anyLength)) {
 492                         lbY->setText(toqstr(convert<string>(anyLength.value())));
 493                         string const unit = unit_name[anyLength.unit()];
 494                         lbYunit->setCurrentIndex(itemNumber(units, unit));
 495                 } else {
 496                         lbY->setText(toqstr(xl));
 497                 }
 498                 if (isValidLength(xr, &anyLength)) {
 499                         rtX->setText(toqstr(convert<string>(anyLength.value())));
 500                         string const unit = unit_name[anyLength.unit()];
 501                         rtXunit->setCurrentIndex(itemNumber(units, unit));
 502                 } else {
 503                         rtX->setText(toqstr(xl));
 504                 }
 505                 if (isValidLength(yr, &anyLength)) {
 506                         rtY->setText(toqstr(convert<string>(anyLength.value())));
 507                         string const unit = unit_name[anyLength.unit()];
 508                         rtYunit->setCurrentIndex(itemNumber(units, unit));
 509                 } else {
 510                         rtY->setText(toqstr(xl));
 511                 }
 512                 bbChanged = true;
 513         }
 514
 515         // Update the draft and clip mode
 516         draftCB->setChecked(igp.draft);
 517         clip->setChecked(igp.clip);
 518         unzipCB->setChecked(igp.noUnzip);
 519         displayGB->setChecked(igp.display);
 520         displayscale->setText(toqstr(convert<string>(igp.lyxscale)));
 521
 522         // the output section (width/height)
 523
 524         Scale->setText(toqstr(igp.scale));
 525         //igp.scale defaults to 100, so we treat it as empty
 526         bool const scaleChecked = !igp.scale.empty() && igp.scale != "100";
 527         scaleCB->blockSignals(true);
 528         scaleCB->setChecked(scaleChecked);
 529         scaleCB->blockSignals(false);
 530         Scale->setEnabled(scaleChecked);
 531         displayGB->setEnabled(lyxrc.display_graphics);
 532
 533         groupId->setText(toqstr(igp.groupId));
 534
 535         lengthAutoToWidgets(Width, widthUnit, igp.width,
 536                 unitDefault);
 537         bool const widthChecked = !Width->text().isEmpty() &&
 538                 Width->text() != "auto";
 539         WidthCB->blockSignals(true);
 540         WidthCB->setChecked(widthChecked);
 541         WidthCB->blockSignals(false);
 542         Width->setEnabled(widthChecked);
 543         widthUnit->setEnabled(widthChecked);
 544
 545         lengthAutoToWidgets(Height, heightUnit, igp.height,
 546                 unitDefault);
 547         bool const heightChecked = !Height->text().isEmpty()
 548                 && Height->text() != "auto";
 549         HeightCB->blockSignals(true);
 550         HeightCB->setChecked(heightChecked);
 551         HeightCB->blockSignals(false);
 552         Height->setEnabled(heightChecked);
 553         heightUnit->setEnabled(heightChecked);
 554
 555         scaleCB->setEnabled(!widthChecked && !heightChecked);
 556         WidthCB->setEnabled(!scaleChecked);
 557         HeightCB->setEnabled(!scaleChecked);
 558         aspectratio->setEnabled(widthChecked && heightChecked);
 559
 560         setAutoText();
 561
 562         angle->setText(toqstr(igp.rotateAngle));
 563         rotateOrderCB->setChecked(igp.scaleBeforeRotation);
 564
 565         rotateOrderCB->setEnabled( (widthChecked || heightChecked || scaleChecked)
 566                 && igp.rotateAngle != "0");
 567
 568         origin->clear();
 569
 570         vector<RotationOriginPair> origindata = getRotationOriginData();
 571         vector<docstring> const origin_lang = getFirst(origindata);
 572         origin_ltx = getSecond(origindata);
 573
 574         for (vector<docstring>::const_iterator it = origin_lang.begin();
 575             it != origin_lang.end(); ++it)
 576                 origin->addItem(toqstr(*it));
 577
 578         if (!igp.rotateOrigin.empty())
 579                 origin->setCurrentIndex(itemNumber(origin_ltx, igp.rotateOrigin));
 580         else
 581                 origin->setCurrentIndex(0);
 582
 583         // latex section
 584         latexoptions->setText(toqstr(igp.special));
 585 }
 586
 587
 588 void GuiGraphics::applyView()
 589 {
 590         InsetGraphicsParams & igp = params_;
 591
 592         igp.filename.set(fromqstr(filename->text()), fromqstr(bufferFilepath()));
 593
 594         // the bb section
 595         igp.bb.erase();
 596         if (bbChanged) {
 597                 string bb;
 598                 string lbXs = fromqstr(lbX->text());
 599                 string lbYs = fromqstr(lbY->text());
 600                 string rtXs = fromqstr(rtX->text());
 601                 string rtYs = fromqstr(rtY->text());
 602                 int bb_sum =
 603                         convert<int>(lbXs) + convert<int>(lbYs) +
 604                         convert<int>(rtXs) + convert<int>(rtXs);
 605                 if (bb_sum) {
 606                         if (lbXs.empty())
 607                                 bb = "0 ";
 608                         else
 609                                 bb = lbXs + fromqstr(lbXunit->currentText()) + ' ';
 610                         if (lbYs.empty())
 611                                 bb += "0 ";
 612                         else
 613                                 bb += (lbYs + fromqstr(lbYunit->currentText()) + ' ');
 614                         if (rtXs.empty())
 615                                 bb += "0 ";
 616                         else
 617                                 bb += (rtXs + fromqstr(rtXunit->currentText()) + ' ');
 618                         if (rtYs.empty())
 619                                 bb += '0';
 620                         else
 621                                 bb += (rtYs + fromqstr(rtYunit->currentText()));
 622                         igp.bb = bb;
 623                 }
 624         }
 625
 626         igp.draft = draftCB->isChecked();
 627         igp.clip = clip->isChecked();
 628         igp.display = displayGB->isChecked();
 629
 630         //the graphics section
 631         if (scaleCB->isChecked() && !Scale->text().isEmpty()) {
 632                 igp.scale = fromqstr(Scale->text());
 633                 igp.width = Length("0pt");
 634                 igp.height = Length("0pt");
 635                 igp.keepAspectRatio = false;
 636         } else {
 637                 igp.scale = string();
 638                 igp.width = WidthCB->isChecked() ?
 639                         //Note that this works even if Width is "auto", since in
 640                         //that case we get "0pt".
 641                         Length(widgetsToLength(Width, widthUnit)):
 642                         Length("0pt");
 643                 igp.height = HeightCB->isChecked() ?
 644                         Length(widgetsToLength(Height, heightUnit)) :
 645                         Length("0pt");
 646                 igp.keepAspectRatio = aspectratio->isEnabled() &&
 647                         aspectratio->isChecked() &&
 648                         igp.width.value() > 0 && igp.height.value() > 0;
 649         }
 650
 651         igp.noUnzip = unzipCB->isChecked();
 652         igp.lyxscale = displayscale->text().toInt();
 653         igp.rotateAngle = fromqstr(angle->text());
 654
 655         double rotAngle = convert<double>(igp.rotateAngle);
 656         if (abs(rotAngle) > 360.0) {
 657                 rotAngle -= 360.0 * floor(rotAngle / 360.0);
 658                 igp.rotateAngle = convert<string>(rotAngle);
 659         }
 660
 661         // save the latex name for the origin. If it is the default
 662         // then origin_ltx returns ""
 663         igp.rotateOrigin = origin_ltx[origin->currentIndex()];
 664         igp.scaleBeforeRotation = rotateOrderCB->isChecked();
 665
 666         // more latex options
 667         igp.special = fromqstr(latexoptions->text());
 668
 669         igp.groupId = fromqstr(groupId->text());
 670 }
 671
 672
 673 void GuiGraphics::getBB()
 674 {
 675         string const fn = fromqstr(filename->text());
 676         if (fn.empty())
 677                 return;
 678         string const bb = readBoundingBox(fn);
 679         bbChanged = false;
 680         if (bb.empty())
 681                 return;
 682         lbX->setText(toqstr(token(bb, ' ', 0)));
 683         lbY->setText(toqstr(token(bb, ' ', 1)));
 684         rtX->setText(toqstr(token(bb, ' ', 2)));
 685         rtY->setText(toqstr(token(bb, ' ', 3)));
 686         // the default units for the bb values when reading
 687         // it from the file
 688         lbXunit->setCurrentIndex(0);
 689         lbYunit->setCurrentIndex(0);
 690         rtXunit->setCurrentIndex(0);
 691         rtYunit->setCurrentIndex(0);
 692 }
 693
 694
 695 bool GuiGraphics::isValid()
 696 {
 697         return !filename->text().isEmpty();
 698 }
 699
 700
 701 bool GuiGraphics::initialiseParams(string const & data)
 702 {
 703         InsetGraphics::string2params(data, buffer(), params_);
 704         paramsToDialog(params_);
 705         return true;
 706 }
 707
 708
 709 void GuiGraphics::clearParams()
 710 {
 711         params_ = InsetGraphicsParams();
 712 }
 713
 714
 715 void GuiGraphics::dispatchParams()
 716 {
 717         InsetGraphicsParams tmp_params(params_);
 718         string const lfun = InsetGraphics::params2string(tmp_params, buffer());
 719         buffer().undo().beginUndoGroup();
 720         dispatch(FuncRequest(getLfun(), lfun));
 721         if (!params_.groupId.empty())
 722                 dispatch(FuncRequest(LFUN_GRAPHICS_GROUPS_UNIFY,
 723                                 InsetGraphics::params2string(params_, buffer())));
 724         buffer().undo().endUndoGroup();
 725 }
 726
 727
 728 QString GuiGraphics::browse(QString const & in_name) const
 729 {
 730         QString const title = qt_("Select graphics file");
 731
 732         // Does user clipart directory exist?
 733         string clipdir = addName(package().user_support().absFilename(), "clipart");
 734         FileName clip(clipdir);
 735
 736         // bail out to system clipart directory
 737         if (!clip.isDirectory())
 738                 clipdir = addName(package().system_support().absFilename(), "clipart");
 739
 740         return browseRelFile(in_name, bufferFilepath(),
 741                 title, fileFilters(QString()), false,
 742                 qt_("Clipart|#C#c"), toqstr(clipdir),
 743                 qt_("Documents|#o#O"), toqstr(lyxrc.document_path));
 744 }
 745
 746
 747 string GuiGraphics::readBoundingBox(string const & file)
 748 {
 749         FileName const abs_file = support::makeAbsPath(file, fromqstr(bufferFilepath()));
 750
 751         // try to get it from the file, if possible. Zipped files are
 752         // unzipped in the readBB_from_PSFile-Function
 753         string const bb = readBB_from_PSFile(abs_file);
 754         if (!bb.empty())
 755                 return bb;
 756
 757         // we don't, so ask the Graphics Cache if it has loaded the file
 758         int width = 0;
 759         int height = 0;
 760
 761         graphics::Cache & gc = graphics::Cache::get();
 762         if (gc.inCache(abs_file)) {
 763                 graphics::Image const * image = gc.item(abs_file)->image();
 764
 765                 if (image) {
 766                         width  = image->width();
 767                         height = image->height();
 768                 }
 769         }
 770
 771         return ("0 0 " + convert<string>(width) + ' ' + convert<string>(height));
 772 }
 773
 774
 775 bool GuiGraphics::isFileNameValid(string const & fname) const
 776 {
 777         // It may be that the filename is relative.
 778         return support::makeAbsPath(fname, fromqstr(bufferFilepath())).isReadableFile();
 779 }
 780
 781
 782 Dialog * createGuiGraphics(GuiView & lv) { return new GuiGraphics(lv); }
 783
 784
 785 } // namespace frontend
 786 } // namespace lyx
 787
 788 #include "GuiGraphics_moc.cpp"