src/frontends/qt4/GuiGraphics.cpp

   1 /**
   2  * \file GuiGraphics.cpp
   3  * This file is part of LyX, the document processor.
   4  * Licence details can be found in the file COPYING.
   5  *
   6  * \author Angus Leeming
   7  * \author John Levon
   8  * \author Edwin Leuven
   9  * \author Herbert Voß
  10  * \author Richard Heck
  11  *
  12  * Full author contact details are available in file CREDITS.
  13  */
  14
  15 #include <config.h>
  16
  17 #include "GuiGraphics.h"
  18
  19 #include "LengthCombo.h"
  20 #include "Length.h"
  21 #include "LyXRC.h"
  22 #include "qt_helpers.h"
  23 #include "Validator.h"
  24
  25 #include "FuncRequest.h"
  26
  27 #include "graphics/GraphicsCache.h"
  28 #include "graphics/GraphicsCacheItem.h"
  29 #include "graphics/GraphicsImage.h"
  30
  31 #include "insets/InsetGraphics.h"
  32
  33 #include "support/convert.h"
  34 #include "support/debug.h"
  35 #include "support/filetools.h"
  36 #include "support/gettext.h"
  37 #include "support/lstrings.h"
  38 #include "support/os.h"
  39 #include "support/Package.h"
  40 #include "support/types.h"
  41
  42 #include <QCheckBox>
  43 #include <QLabel>
  44 #include <QLineEdit>
  45 #include <QPushButton>
  46 #include <QValidator>
  47
  48 #include <cmath>
  49 #include <utility>
  50
  51 using namespace std;
  52 using namespace lyx::support;
  53
  54 namespace {
  55
  56 // These are the strings that are stored in the LyX file and which
  57 // correspond to the LaTeX identifiers shown in the comments at the
  58 // end of each line.
  59 char const * const rorigin_lyx_strs[] = {
  60         // the LaTeX default is leftBaseline
  61         "",
  62         "leftTop",  "leftBottom", "leftBaseline", // lt lb lB
  63         "center", "centerTop", "centerBottom", "centerBaseline", // c ct cb cB
  64         "rightTop", "rightBottom", "rightBaseline" }; // rt rb rB
  65
  66 // These are the strings, corresponding to the above, that the GUI should
  67 // use. Note that they can/should be translated.
  68 char const * const rorigin_gui_strs[] = {
  69         N_("Default"),
  70         N_("Top left"), N_("Bottom left"), N_("Baseline left"),
  71         N_("Center"), N_("Top center"), N_("Bottom center"), N_("Baseline center"),
  72         N_("Top right"), N_("Bottom right"), N_("Baseline right") };
  73
  74 size_t const rorigin_size = sizeof(rorigin_lyx_strs) / sizeof(char *);
  75
  76 } // namespace anon
  77
  78
  79 namespace lyx {
  80 namespace frontend {
  81
  82 //FIXME setAutoTextCB should really take an argument, as indicated, that
  83 //determines what text is to be written for "auto". But making
  84 //that work involves more extensive revisions than we now want
  85 //to make, since "auto" also appears in paramsToDialog().
  86 //The right way to do this, I think, would be to define a class
  87 //checkedLengthSet (and a partnering labeledLengthSete) that encapsulated
  88 //the checkbox, line edit, and length combo together, and then made e.g.
  89 //lengthToWidgets, widgetsToLength, etc, all public methods of that class.
  90 //Perhaps even the validator could be exposed through it.
  91 /**
  92  * sets a checkbox-line edit-length combo group, using "text" if the
  93  * checkbox is unchecked and clearing the line edit if it previously
  94  * said "text".
  95 */
  96 static void setAutoTextCB(QCheckBox * checkBox, QLineEdit * lineEdit,
  97         LengthCombo * lengthCombo/*, string text = "auto"*/)
  98 {
  99         if (!checkBox->isChecked())
 100                 lengthToWidgets(lineEdit, lengthCombo,
 101                                 "auto", lengthCombo->currentLengthItem());
 102         else if (lineEdit->text() == "auto")
 103                 lengthToWidgets(lineEdit, lengthCombo, string(),
 104                                 lengthCombo->currentLengthItem());
 105 }
 106
 107
 108 template<class Pair>
 109 vector<typename Pair::first_type> getFirst(vector<Pair> const & pr)
 110 {
 111         size_t const n = pr.size();
 112         vector<typename Pair::first_type> tmp(n);
 113         for (size_t i = 0; i != n; ++i)
 114                 tmp[i] = pr[i].first;
 115         return tmp;
 116 }
 117
 118
 119 ///
 120 template<class Pair>
 121 vector<typename Pair::second_type> getSecond(vector<Pair> const & pr)
 122 {
 123         size_t const n = pr.size();
 124         vector<typename Pair::second_type> tmp(n);
 125         for (size_t i = 0; i != n; ++i)
 126                 tmp[i] = pr[i].second;
 127         return tmp;
 128 }
 129
 130
 131 /// The (tranlated) GUI string and it's LaTeX equivalent.
 132 typedef pair<docstring, string> RotationOriginPair;
 133 ///
 134 vector<RotationOriginPair> getRotationOriginData()
 135 {
 136         static vector<RotationOriginPair> data;
 137         if (!data.empty())
 138                 return data;
 139
 140         data.resize(rorigin_size);
 141         for (size_type i = 0; i < rorigin_size; ++i) {
 142                 data[i] = make_pair(_(rorigin_gui_strs[i]),
 143                                     rorigin_lyx_strs[i]);
 144         }
 145
 146         return data;
 147 }
 148
 149
 150
 151 GuiGraphics::GuiGraphics(GuiView & lv)
 152         : GuiDialog(lv, "graphics", qt_("Graphics"))
 153 {
 154         setupUi(this);
 155
 156         //main buttons
 157         connect(okPB, SIGNAL(clicked()), this, SLOT(slotOK()));
 158         connect(applyPB, SIGNAL(clicked()), this, SLOT(slotApply()));
 159         connect(closePB, SIGNAL(clicked()), this, SLOT(slotClose()));
 160         connect(restorePB, SIGNAL(clicked()), this, SLOT(slotRestore()));
 161
 162         //graphics pane
 163         connect(filename, SIGNAL(textChanged(const QString &)),
 164                 this, SLOT(change_adaptor()));
 165         connect(WidthCB, SIGNAL( clicked()),
 166                 this, SLOT(change_adaptor()));
 167         connect(HeightCB, SIGNAL( clicked()),
 168                 this, SLOT(change_adaptor()));
 169         connect(Width, SIGNAL(textChanged(const QString &)),
 170                 this, SLOT(change_adaptor()));
 171         connect(Height, SIGNAL(textChanged(const QString &)),
 172                 this, SLOT(change_adaptor()));
 173         connect(heightUnit, SIGNAL(selectionChanged(lyx::Length::UNIT)),
 174                 this, SLOT(change_adaptor()));
 175         connect(widthUnit, SIGNAL(selectionChanged(lyx::Length::UNIT)),
 176                 this, SLOT(change_adaptor()));
 177         connect(aspectratio, SIGNAL(stateChanged(int)),
 178                 this, SLOT(change_adaptor()));
 179         connect(angle, SIGNAL(textChanged(const QString &)),
 180                 this, SLOT(change_adaptor()));
 181         connect(origin, SIGNAL(activated(int)),
 182                 this, SLOT(change_adaptor()));
 183         connect(scaleCB, SIGNAL(clicked()),
 184                 this, SLOT(change_adaptor()));
 185         connect(Scale, SIGNAL(textChanged(const QString &)),
 186                 this, SLOT(change_adaptor()));
 187         connect(rotateOrderCB, SIGNAL(clicked()),
 188                 this, SLOT(change_adaptor()));
 189
 190         filename->setValidator(new PathValidator(true, filename));
 191         setFocusProxy(filename);
 192
 193         QDoubleValidator * scaleValidator = new DoubleAutoValidator(Scale);
 194         scaleValidator->setBottom(0);
 195         scaleValidator->setDecimals(256); //I guess that will do
 196         Scale->setValidator(scaleValidator);
 197         Height->setValidator(unsignedLengthAutoValidator(Height));
 198         Width->setValidator(unsignedLengthAutoValidator(Width));
 199         angle->setValidator(new QDoubleValidator(-360, 360, 2, angle));
 200
 201         //clipping pane
 202         connect(clip, SIGNAL(stateChanged(int)),
 203                 this, SLOT(change_adaptor()));
 204         connect(lbY, SIGNAL(textChanged(const QString&)),
 205                 this, SLOT(change_bb()));
 206         connect(lbYunit, SIGNAL(activated(int)),
 207                 this, SLOT(change_bb()));
 208         connect(rtY, SIGNAL(textChanged(const QString&)),
 209                 this, SLOT(change_bb()));
 210         connect(rtYunit, SIGNAL(activated(int)),
 211                 this, SLOT(change_bb()));
 212         connect(lbX, SIGNAL(textChanged(const QString&)),
 213                 this, SLOT(change_bb()));
 214         connect(lbXunit, SIGNAL(activated(int)),
 215                 this, SLOT(change_bb()));
 216         connect(rtX, SIGNAL(textChanged(const QString&)),
 217                 this, SLOT(change_bb()));
 218         connect(rtXunit, SIGNAL(activated(int)),
 219                 this, SLOT(change_bb()));
 220         connect(getPB, SIGNAL(clicked()),
 221                 this, SLOT(change_adaptor()));
 222
 223         lbX->setValidator(new QDoubleValidator(lbX));
 224         lbY->setValidator(new QDoubleValidator(lbY));
 225         rtX->setValidator(new QDoubleValidator(rtX));
 226         rtY->setValidator(new QDoubleValidator(rtY));
 227
 228         //extra options pane
 229         connect(latexoptions, SIGNAL(textChanged(const QString&)),
 230                 this, SLOT(change_adaptor()));
 231         connect(draftCB, SIGNAL(stateChanged(int)),
 232                 this, SLOT(change_adaptor()));
 233         connect(unzipCB, SIGNAL(stateChanged(int)),
 234                 this, SLOT(change_adaptor()));
 235         // FIXME: we should connect to clicked() when we move to Qt 4.2 because
 236         // the toggled(bool) signal is also trigged when we update the widgets
 237         // (rgh-4/07) this isn't as much or a problem as it was, because we're now
 238         // using blockSignals() to keep from triggering that signal when we call
 239         // setChecked(). Note, too, that clicked() would get called whenever it
 240         // is clicked, even right clicked (I think), not just whenever it is
 241         // toggled.
 242         connect(displayGB, SIGNAL(toggled(bool)), this, SLOT(change_adaptor()));
 243         connect(displayscale, SIGNAL(textChanged(const QString&)),
 244                 this, SLOT(change_adaptor()));
 245         connect(groupId, SIGNAL(textChanged(const QString&)),
 246                 this, SLOT(change_adaptor()));
 247         displayscale->setValidator(new QIntValidator(displayscale));
 248
 249         bc().setPolicy(ButtonPolicy::NoRepeatedApplyReadOnlyPolicy);
 250         bc().setOK(okPB);
 251         bc().setApply(applyPB);
 252         bc().setRestore(restorePB);
 253         bc().setCancel(closePB);
 254
 255         bc().addReadOnly(latexoptions);
 256         bc().addReadOnly(filenameL);
 257         bc().addReadOnly(filename);
 258         bc().addReadOnly(browsePB);
 259         bc().addReadOnly(unzipCB);
 260         bc().addReadOnly(bbFrame);
 261         bc().addReadOnly(draftCB);
 262         bc().addReadOnly(clip);
 263         bc().addReadOnly(unzipCB);
 264         bc().addReadOnly(displayGB);
 265         bc().addReadOnly(sizeGB);
 266         bc().addReadOnly(rotationGB);
 267         bc().addReadOnly(latexoptions);
 268         bc().addReadOnly(getPB);
 269         bc().addReadOnly(rotateOrderCB);
 270
 271         // initialize the length validator
 272         bc().addCheckedLineEdit(Scale, scaleCB);
 273         bc().addCheckedLineEdit(Width, WidthCB);
 274         bc().addCheckedLineEdit(Height, HeightCB);
 275         bc().addCheckedLineEdit(displayscale, scaleLA);
 276         bc().addCheckedLineEdit(angle, angleL);
 277         bc().addCheckedLineEdit(lbX, xL);
 278         bc().addCheckedLineEdit(lbY, yL);
 279         bc().addCheckedLineEdit(rtX, xL_2);
 280         bc().addCheckedLineEdit(rtY, yL_2);
 281         bc().addCheckedLineEdit(filename, filenameL);
 282 }
 283
 284
 285 void GuiGraphics::change_adaptor()
 286 {
 287         changed();
 288 }
 289
 290
 291 void GuiGraphics::change_bb()
 292 {
 293         bbChanged = true;
 294         LYXERR(Debug::GRAPHICS, "[bb_Changed set to true]");
 295         changed();
 296 }
 297
 298
 299 void GuiGraphics::on_browsePB_clicked()
 300 {
 301         QString const str = browse(filename->text());
 302         if (!str.isEmpty()) {
 303                 filename->setText(str);
 304                 changed();
 305         }
 306 }
 307
 308
 309 void GuiGraphics::on_getPB_clicked()
 310 {
 311         getBB();
 312 }
 313
 314
 315 void GuiGraphics::setAutoText()
 316 {
 317         if (scaleCB->isChecked())
 318                 return;
 319         if (!Scale->isEnabled() && Scale->text() != "100")
 320                 Scale->setText(QString("auto"));
 321
 322         setAutoTextCB(WidthCB, Width, widthUnit);
 323         setAutoTextCB(HeightCB, Height, heightUnit);
 324 }
 325
 326
 327 void GuiGraphics::on_scaleCB_toggled(bool setScale)
 328 {
 329         Scale->setEnabled(setScale);
 330         if (setScale) {
 331                 Scale->setText("100");
 332                 Scale->setFocus(Qt::OtherFocusReason);
 333         }
 334
 335         WidthCB->setDisabled(setScale);
 336         WidthCB->blockSignals(true);
 337         WidthCB->setChecked(false);
 338         WidthCB->blockSignals(false);
 339         Width->setEnabled(false);
 340         widthUnit->setEnabled(false);
 341
 342         HeightCB->setDisabled(setScale);
 343         HeightCB->blockSignals(true);
 344         HeightCB->setChecked(false);
 345         HeightCB->blockSignals(false);
 346         Height->setEnabled(false);
 347         heightUnit->setEnabled(false);
 348
 349         aspectratio->setDisabled(true);
 350         aspectratio->setChecked(true);
 351
 352         rotateOrderCB->setEnabled((WidthCB->isChecked() ||
 353                                  HeightCB->isChecked() ||
 354                                  scaleCB->isChecked()) &&
 355                                  (angle->text() != "0"));
 356
 357         setAutoText();
 358 }
 359
 360
 361 void GuiGraphics::on_WidthCB_toggled(bool setWidth)
 362 {
 363         Width->setEnabled(setWidth);
 364         widthUnit->setEnabled(setWidth);
 365         if (setWidth)
 366                 Width->setFocus(Qt::OtherFocusReason);
 367
 368         bool const setHeight = HeightCB->isChecked();
 369         aspectratio->setEnabled(setWidth && setHeight);
 370         aspectratio->blockSignals(true);
 371         aspectratio->setChecked(!(setWidth && setHeight));
 372         aspectratio->blockSignals(false);
 373
 374         scaleCB->setEnabled(!setWidth && !setHeight);
 375         //already will be unchecked, so don't need to do that
 376         Scale->setEnabled((!setWidth && !setHeight) //=scaleCB->isEnabled()
 377                         && scaleCB->isChecked()); //should be false, but let's check
 378         rotateOrderCB->setEnabled((setWidth || setHeight ||
 379                                  scaleCB->isChecked()) &&
 380                                  (angle->text() != "0"));
 381
 382         setAutoText();
 383 }
 384
 385
 386 void GuiGraphics::on_HeightCB_toggled(bool setHeight)
 387 {
 388         Height->setEnabled(setHeight);
 389         heightUnit->setEnabled(setHeight);
 390         if (setHeight)
 391                 Height->setFocus(Qt::OtherFocusReason);
 392
 393         bool const setWidth = WidthCB->isChecked();
 394         aspectratio->setEnabled(setWidth && setHeight);
 395         aspectratio->blockSignals(true);
 396         aspectratio->setChecked(!(setWidth && setHeight));
 397         aspectratio->blockSignals(false);
 398
 399         scaleCB->setEnabled(!setWidth && !setHeight);
 400         //already unchecked
 401         Scale->setEnabled((!setWidth && !setHeight) //=scaleCB->isEnabled()
 402                 && scaleCB->isChecked()); //should be false
 403         rotateOrderCB->setEnabled((setWidth || setHeight ||
 404                                  scaleCB->isChecked()) &&
 405                                  (angle->text() != "0"));
 406
 407         setAutoText();
 408 }
 409
 410
 411 void GuiGraphics::on_angle_textChanged(const QString & filename)
 412 {
 413         rotateOrderCB->setEnabled((WidthCB->isChecked() ||
 414                                  HeightCB->isChecked() ||
 415                                  scaleCB->isChecked()) &&
 416                                  (filename != "0"));
 417 }
 418
 419 // returns the number of the string s in the vector v
 420 static int itemNumber(const vector<string> & v, string const & s)
 421 {
 422         vector<string>::const_iterator cit =
 423                     find(v.begin(), v.end(), s);
 424         return (cit != v.end()) ? int(cit - v.begin()) : 0;
 425 }
 426
 427
 428 void GuiGraphics::paramsToDialog(InsetGraphicsParams const & igp)
 429 {
 430         static char const * const bb_units[] = { "bp", "cm", "mm", "in" };
 431         size_t const bb_size = sizeof(bb_units) / sizeof(bb_units[0]);
 432
 433         vector<string> const units = vector<string>(bb_units, bb_units + bb_size);
 434         lbXunit->clear();
 435         lbYunit->clear();
 436         rtXunit->clear();
 437         rtYunit->clear();
 438         for (vector<string>::const_iterator it = units.begin();
 439             it != units.end(); ++it) {
 440                 lbXunit->addItem(toqstr(*it));
 441                 lbYunit->addItem(toqstr(*it));
 442                 rtXunit->addItem(toqstr(*it));
 443                 rtYunit->addItem(toqstr(*it));
 444         }
 445
 446         // set the right default unit
 447         Length::UNIT unitDefault = Length::CM;
 448         switch (lyxrc.default_papersize) {
 449                 case PAPER_USLETTER:
 450                 case PAPER_USLEGAL:
 451                 case PAPER_USEXECUTIVE:
 452                         unitDefault = Length::IN;
 453                         break;
 454                 default:
 455                         break;
 456         }
 457
 458         //lyxerr << bufferFilepath();
 459         string const name =
 460                 igp.filename.outputFilename(fromqstr(bufferFilepath()));
 461         filename->setText(toqstr(name));
 462
 463         // set the bounding box values
 464         if (igp.bb.empty()) {
 465                 string const bb = readBoundingBox(igp.filename.absFilename());
 466                 // the values from the file always have the bigpoint-unit bp
 467                 lbX->setText(toqstr(token(bb, ' ', 0)));
 468                 lbY->setText(toqstr(token(bb, ' ', 1)));
 469                 rtX->setText(toqstr(token(bb, ' ', 2)));
 470                 rtY->setText(toqstr(token(bb, ' ', 3)));
 471                 lbXunit->setCurrentIndex(0);
 472                 lbYunit->setCurrentIndex(0);
 473                 rtXunit->setCurrentIndex(0);
 474                 rtYunit->setCurrentIndex(0);
 475                 bbChanged = false;
 476         } else {
 477                 // get the values from the inset
 478                 Length anyLength;
 479                 string const xl = token(igp.bb, ' ', 0);
 480                 string const yl = token(igp.bb, ' ', 1);
 481                 string const xr = token(igp.bb, ' ', 2);
 482                 string const yr = token(igp.bb, ' ', 3);
 483                 if (isValidLength(xl, &anyLength)) {
 484                         lbX->setText(toqstr(convert<string>(anyLength.value())));
 485                         string const unit = unit_name[anyLength.unit()];
 486                         lbXunit->setCurrentIndex(itemNumber(units, unit));
 487                 } else {
 488                         lbX->setText(toqstr(xl));
 489                 }
 490                 if (isValidLength(yl, &anyLength)) {
 491                         lbY->setText(toqstr(convert<string>(anyLength.value())));
 492                         string const unit = unit_name[anyLength.unit()];
 493                         lbYunit->setCurrentIndex(itemNumber(units, unit));
 494                 } else {
 495                         lbY->setText(toqstr(xl));
 496                 }
 497                 if (isValidLength(xr, &anyLength)) {
 498                         rtX->setText(toqstr(convert<string>(anyLength.value())));
 499                         string const unit = unit_name[anyLength.unit()];
 500                         rtXunit->setCurrentIndex(itemNumber(units, unit));
 501                 } else {
 502                         rtX->setText(toqstr(xl));
 503                 }
 504                 if (isValidLength(yr, &anyLength)) {
 505                         rtY->setText(toqstr(convert<string>(anyLength.value())));
 506                         string const unit = unit_name[anyLength.unit()];
 507                         rtYunit->setCurrentIndex(itemNumber(units, unit));
 508                 } else {
 509                         rtY->setText(toqstr(xl));
 510                 }
 511                 bbChanged = true;
 512         }
 513
 514         // Update the draft and clip mode
 515         draftCB->setChecked(igp.draft);
 516         clip->setChecked(igp.clip);
 517         unzipCB->setChecked(igp.noUnzip);
 518         displayGB->setChecked(igp.display);
 519         displayscale->setText(toqstr(convert<string>(igp.lyxscale)));
 520
 521         // the output section (width/height)
 522
 523         Scale->setText(toqstr(igp.scale));
 524         //igp.scale defaults to 100, so we treat it as empty
 525         bool const scaleChecked = !igp.scale.empty() && igp.scale != "100";
 526         scaleCB->blockSignals(true);
 527         scaleCB->setChecked(scaleChecked);
 528         scaleCB->blockSignals(false);
 529         Scale->setEnabled(scaleChecked);
 530         displayGB->setEnabled(lyxrc.display_graphics);
 531
 532         groupId->setText(toqstr(igp.groupId));
 533
 534         lengthAutoToWidgets(Width, widthUnit, igp.width,
 535                 unitDefault);
 536         bool const widthChecked = !Width->text().isEmpty() &&
 537                 Width->text() != "auto";
 538         WidthCB->blockSignals(true);
 539         WidthCB->setChecked(widthChecked);
 540         WidthCB->blockSignals(false);
 541         Width->setEnabled(widthChecked);
 542         widthUnit->setEnabled(widthChecked);
 543
 544         lengthAutoToWidgets(Height, heightUnit, igp.height,
 545                 unitDefault);
 546         bool const heightChecked = !Height->text().isEmpty()
 547                 && Height->text() != "auto";
 548         HeightCB->blockSignals(true);
 549         HeightCB->setChecked(heightChecked);
 550         HeightCB->blockSignals(false);
 551         Height->setEnabled(heightChecked);
 552         heightUnit->setEnabled(heightChecked);
 553
 554         scaleCB->setEnabled(!widthChecked && !heightChecked);
 555         WidthCB->setEnabled(!scaleChecked);
 556         HeightCB->setEnabled(!scaleChecked);
 557         aspectratio->setEnabled(widthChecked && heightChecked);
 558
 559         setAutoText();
 560
 561         angle->setText(toqstr(igp.rotateAngle));
 562         rotateOrderCB->setChecked(igp.scaleBeforeRotation);
 563
 564         rotateOrderCB->setEnabled( (widthChecked || heightChecked || scaleChecked)
 565                 && igp.rotateAngle != "0");
 566
 567         origin->clear();
 568
 569         vector<RotationOriginPair> origindata = getRotationOriginData();
 570         vector<docstring> const origin_lang = getFirst(origindata);
 571         origin_ltx = getSecond(origindata);
 572
 573         for (vector<docstring>::const_iterator it = origin_lang.begin();
 574             it != origin_lang.end(); ++it)
 575                 origin->addItem(toqstr(*it));
 576
 577         if (!igp.rotateOrigin.empty())
 578                 origin->setCurrentIndex(itemNumber(origin_ltx, igp.rotateOrigin));
 579         else
 580                 origin->setCurrentIndex(0);
 581
 582         // latex section
 583         latexoptions->setText(toqstr(igp.special));
 584 }
 585
 586
 587 void GuiGraphics::applyView()
 588 {
 589         InsetGraphicsParams & igp = params_;
 590
 591         igp.filename.set(fromqstr(filename->text()), fromqstr(bufferFilepath()));
 592
 593         // the bb section
 594         igp.bb.erase();
 595         if (bbChanged) {
 596                 string bb;
 597                 string lbXs = fromqstr(lbX->text());
 598                 string lbYs = fromqstr(lbY->text());
 599                 string rtXs = fromqstr(rtX->text());
 600                 string rtYs = fromqstr(rtY->text());
 601                 int bb_sum =
 602                         convert<int>(lbXs) + convert<int>(lbYs) +
 603                         convert<int>(rtXs) + convert<int>(rtXs);
 604                 if (bb_sum) {
 605                         if (lbXs.empty())
 606                                 bb = "0 ";
 607                         else
 608                                 bb = lbXs + fromqstr(lbXunit->currentText()) + ' ';
 609                         if (lbYs.empty())
 610                                 bb += "0 ";
 611                         else
 612                                 bb += (lbYs + fromqstr(lbYunit->currentText()) + ' ');
 613                         if (rtXs.empty())
 614                                 bb += "0 ";
 615                         else
 616                                 bb += (rtXs + fromqstr(rtXunit->currentText()) + ' ');
 617                         if (rtYs.empty())
 618                                 bb += '0';
 619                         else
 620                                 bb += (rtYs + fromqstr(rtYunit->currentText()));
 621                         igp.bb = bb;
 622                 }
 623         }
 624
 625         igp.draft = draftCB->isChecked();
 626         igp.clip = clip->isChecked();
 627         igp.display = displayGB->isChecked();
 628
 629         //the graphics section
 630         if (scaleCB->isChecked() && !Scale->text().isEmpty()) {
 631                 igp.scale = fromqstr(Scale->text());
 632                 igp.width = Length("0pt");
 633                 igp.height = Length("0pt");
 634                 igp.keepAspectRatio = false;
 635         } else {
 636                 igp.scale = string();
 637                 igp.width = WidthCB->isChecked() ?
 638                         //Note that this works even if Width is "auto", since in
 639                         //that case we get "0pt".
 640                         Length(widgetsToLength(Width, widthUnit)):
 641                         Length("0pt");
 642                 igp.height = HeightCB->isChecked() ?
 643                         Length(widgetsToLength(Height, heightUnit)) :
 644                         Length("0pt");
 645                 igp.keepAspectRatio = aspectratio->isEnabled() &&
 646                         aspectratio->isChecked() &&
 647                         igp.width.value() > 0 && igp.height.value() > 0;
 648         }
 649
 650         igp.noUnzip = unzipCB->isChecked();
 651         igp.lyxscale = displayscale->text().toInt();
 652         igp.rotateAngle = fromqstr(angle->text());
 653
 654         double rotAngle = convert<double>(igp.rotateAngle);
 655         if (abs(rotAngle) > 360.0) {
 656                 rotAngle -= 360.0 * floor(rotAngle / 360.0);
 657                 igp.rotateAngle = convert<string>(rotAngle);
 658         }
 659
 660         // save the latex name for the origin. If it is the default
 661         // then origin_ltx returns ""
 662         igp.rotateOrigin = origin_ltx[origin->currentIndex()];
 663         igp.scaleBeforeRotation = rotateOrderCB->isChecked();
 664
 665         // more latex options
 666         igp.special = fromqstr(latexoptions->text());
 667
 668         igp.groupId = fromqstr(groupId->text());
 669 }
 670
 671
 672 void GuiGraphics::getBB()
 673 {
 674         string const fn = fromqstr(filename->text());
 675         if (fn.empty())
 676                 return;
 677         string const bb = readBoundingBox(fn);
 678         bbChanged = false;
 679         if (bb.empty())
 680                 return;
 681         lbX->setText(toqstr(token(bb, ' ', 0)));
 682         lbY->setText(toqstr(token(bb, ' ', 1)));
 683         rtX->setText(toqstr(token(bb, ' ', 2)));
 684         rtY->setText(toqstr(token(bb, ' ', 3)));
 685         // the default units for the bb values when reading
 686         // it from the file
 687         lbXunit->setCurrentIndex(0);
 688         lbYunit->setCurrentIndex(0);
 689         rtXunit->setCurrentIndex(0);
 690         rtYunit->setCurrentIndex(0);
 691 }
 692
 693
 694 bool GuiGraphics::isValid()
 695 {
 696         return !filename->text().isEmpty();
 697 }
 698
 699
 700 bool GuiGraphics::initialiseParams(string const & data)
 701 {
 702         InsetGraphics::string2params(data, buffer(), params_);
 703         paramsToDialog(params_);
 704         return true;
 705 }
 706
 707
 708 void GuiGraphics::clearParams()
 709 {
 710         params_ = InsetGraphicsParams();
 711 }
 712
 713
 714 void GuiGraphics::dispatchParams()
 715 {
 716         InsetGraphicsParams tmp_params(params_);
 717         string const lfun = InsetGraphics::params2string(tmp_params, buffer());
 718         dispatch(FuncRequest(getLfun(), lfun));
 719         if (!params_.groupId.empty())
 720                 dispatch(FuncRequest(LFUN_GRAPHICS_GROUPS_UNIFY,
 721                                 InsetGraphics::params2string(params_, buffer())));
 722 }
 723
 724
 725 QString GuiGraphics::browse(QString const & in_name) const
 726 {
 727         QString const title = qt_("Select graphics file");
 728
 729         // Does user clipart directory exist?
 730         string clipdir = addName(package().user_support().absFilename(), "clipart");
 731         FileName clip(clipdir);
 732
 733         // bail out to system clipart directory
 734         if (!clip.isDirectory())
 735                 clipdir = addName(package().system_support().absFilename(), "clipart");
 736
 737         return browseRelFile(in_name, bufferFilepath(),
 738                 title, fileFilters(QString()), false,
 739                 qt_("Clipart|#C#c"), toqstr(clipdir),
 740                 qt_("Documents|#o#O"), toqstr(lyxrc.document_path));
 741 }
 742
 743
 744 string GuiGraphics::readBoundingBox(string const & file)
 745 {
 746         FileName const abs_file = support::makeAbsPath(file, fromqstr(bufferFilepath()));
 747
 748         // try to get it from the file, if possible. Zipped files are
 749         // unzipped in the readBB_from_PSFile-Function
 750         string const bb = readBB_from_PSFile(abs_file);
 751         if (!bb.empty())
 752                 return bb;
 753
 754         // we don't, so ask the Graphics Cache if it has loaded the file
 755         int width = 0;
 756         int height = 0;
 757
 758         graphics::Cache & gc = graphics::Cache::get();
 759         if (gc.inCache(abs_file)) {
 760                 graphics::Image const * image = gc.item(abs_file)->image();
 761
 762                 if (image) {
 763                         width  = image->width();
 764                         height = image->height();
 765                 }
 766         }
 767
 768         return ("0 0 " + convert<string>(width) + ' ' + convert<string>(height));
 769 }
 770
 771
 772 bool GuiGraphics::isFileNameValid(string const & fname) const
 773 {
 774         // It may be that the filename is relative.
 775         return support::makeAbsPath(fname, fromqstr(bufferFilepath())).isReadableFile();
 776 }
 777
 778
 779 Dialog * createGuiGraphics(GuiView & lv) { return new GuiGraphics(lv); }
 780
 781
 782 } // namespace frontend
 783 } // namespace lyx
 784
 785 #include "GuiGraphics_moc.cpp"