src/frontends/qt4/GuiGraphics.cpp

   1 /**
   2  * \file GuiGraphics.cpp
   3  * This file is part of LyX, the document processor.
   4  * Licence details can be found in the file COPYING.
   5  *
   6  * \author Angus Leeming
   7  * \author John Levon
   8  * \author Edwin Leuven
   9  * \author Herbert Voß
  10  * \author Richard Heck
  11  *
  12  * Full author contact details are available in file CREDITS.
  13  */
  14
  15 #include <config.h>
  16
  17 #include "GuiGraphics.h"
  18
  19 #include "LengthCombo.h"
  20 #include "Length.h"
  21 #include "LyXRC.h"
  22 #include "qt_helpers.h"
  23 #include "Validator.h"
  24
  25 #include "FuncRequest.h"
  26
  27 #include "graphics/GraphicsCache.h"
  28 #include "graphics/GraphicsCacheItem.h"
  29 #include "graphics/GraphicsImage.h"
  30
  31 #include "insets/InsetGraphicsParams.h"
  32
  33 #include "support/convert.h"
  34 #include "support/debug.h"
  35 #include "support/FileFilterList.h"
  36 #include "support/filetools.h"
  37 #include "support/gettext.h"
  38 #include "support/lstrings.h"
  39 #include "support/os.h"
  40 #include "support/Package.h"
  41 #include "support/types.h"
  42
  43 #include <QCheckBox>
  44 #include <QLabel>
  45 #include <QLineEdit>
  46 #include <QPushButton>
  47 #include <QValidator>
  48
  49 #include <cmath>
  50 #include <utility>
  51
  52 using namespace std;
  53 using namespace lyx::support;
  54
  55 namespace {
  56
  57 // These are the strings that are stored in the LyX file and which
  58 // correspond to the LaTeX identifiers shown in the comments at the
  59 // end of each line.
  60 char const * const rorigin_lyx_strs[] = {
  61         // the LaTeX default is leftBaseline
  62         "",
  63         "leftTop",  "leftBottom", "leftBaseline", // lt lb lB
  64         "center", "centerTop", "centerBottom", "centerBaseline", // c ct cb cB
  65         "rightTop", "rightBottom", "rightBaseline" }; // rt rb rB
  66
  67 // These are the strings, corresponding to the above, that the GUI should
  68 // use. Note that they can/should be translated.
  69 char const * const rorigin_gui_strs[] = {
  70         N_("Default"),
  71         N_("Top left"), N_("Bottom left"), N_("Baseline left"),
  72         N_("Center"), N_("Top center"), N_("Bottom center"), N_("Baseline center"),
  73         N_("Top right"), N_("Bottom right"), N_("Baseline right") };
  74
  75 size_t const rorigin_size = sizeof(rorigin_lyx_strs) / sizeof(char *);
  76
  77 } // namespace anon
  78
  79
  80 namespace lyx {
  81 namespace frontend {
  82
  83 //FIXME setAutoTextCB should really take an argument, as indicated, that
  84 //determines what text is to be written for "auto". But making
  85 //that work involves more extensive revisions than we now want
  86 //to make, since "auto" also appears in updateContents() (see
  87 //GuiGraphics.cpp).
  88 //The right way to do this, I think, would be to define a class
  89 //checkedLengthSet (and a partnering labeledLengthSete) that encapsulated
  90 //the checkbox, line edit, and length combo together, and then made e.g.
  91 //lengthToWidgets, widgetsToLength, etc, all public methods of that class.
  92 //Perhaps even the validator could be exposed through it.
  93 /**
  94  * sets a checkbox-line edit-length combo group, using "text" if the
  95  * checkbox is unchecked and clearing the line edit if it previously
  96  * said "text".
  97 */
  98 static void setAutoTextCB(QCheckBox * checkBox, QLineEdit * lineEdit,
  99         LengthCombo * lengthCombo/*, string text = "auto"*/)
 100 {
 101         if (!checkBox->isChecked())
 102                 lengthToWidgets(lineEdit, lengthCombo,
 103                                 "auto", lengthCombo->currentLengthItem());
 104         else if (lineEdit->text() == "auto")
 105                 lengthToWidgets(lineEdit, lengthCombo, string(),
 106                                 lengthCombo->currentLengthItem());
 107 }
 108
 109
 110 template<class Pair>
 111 vector<typename Pair::first_type> getFirst(vector<Pair> const & pr)
 112 {
 113         size_t const n = pr.size();
 114         vector<typename Pair::first_type> tmp(n);
 115         for (size_t i = 0; i != n; ++i)
 116                 tmp[i] = pr[i].first;
 117         return tmp;
 118 }
 119
 120
 121 ///
 122 template<class Pair>
 123 vector<typename Pair::second_type> getSecond(vector<Pair> const & pr)
 124 {
 125         size_t const n = pr.size();
 126         vector<typename Pair::second_type> tmp(n);
 127         for (size_t i = 0; i != n; ++i)
 128                 tmp[i] = pr[i].second;
 129         return tmp;
 130 }
 131
 132
 133 /// The (tranlated) GUI string and it's LaTeX equivalent.
 134 typedef pair<docstring, string> RotationOriginPair;
 135 ///
 136 vector<RotationOriginPair> getRotationOriginData()
 137 {
 138         static vector<RotationOriginPair> data;
 139         if (!data.empty())
 140                 return data;
 141
 142         data.resize(rorigin_size);
 143         for (size_type i = 0; i < rorigin_size; ++i) {
 144                 data[i] = make_pair(_(rorigin_gui_strs[i]),
 145                                     rorigin_lyx_strs[i]);
 146         }
 147
 148         return data;
 149 }
 150
 151
 152
 153
 154 GuiGraphics::GuiGraphics(GuiView & lv)
 155         : GuiDialog(lv, "graphics", qt_("Graphics"))
 156 {
 157         setupUi(this);
 158
 159         //main buttons
 160         connect(okPB, SIGNAL(clicked()), this, SLOT(slotOK()));
 161         connect(applyPB, SIGNAL(clicked()), this, SLOT(slotApply()));
 162         connect(closePB, SIGNAL(clicked()), this, SLOT(slotClose()));
 163         connect(restorePB, SIGNAL(clicked()), this, SLOT(slotRestore()));
 164
 165         //graphics pane
 166         connect(filename, SIGNAL(textChanged(const QString &)),
 167                 this, SLOT(change_adaptor()));
 168         connect(WidthCB, SIGNAL( clicked()),
 169                 this, SLOT(change_adaptor()));
 170         connect(HeightCB, SIGNAL( clicked()),
 171                 this, SLOT(change_adaptor()));
 172         connect(Width, SIGNAL(textChanged(const QString &)),
 173                 this, SLOT(change_adaptor()));
 174         connect(Height, SIGNAL(textChanged(const QString &)),
 175                 this, SLOT(change_adaptor()));
 176         connect(heightUnit, SIGNAL(selectionChanged(lyx::Length::UNIT)),
 177                 this, SLOT(change_adaptor()));
 178         connect(widthUnit, SIGNAL(selectionChanged(lyx::Length::UNIT)),
 179                 this, SLOT(change_adaptor()));
 180         connect(aspectratio, SIGNAL(stateChanged(int)),
 181                 this, SLOT(change_adaptor()));
 182         connect(angle, SIGNAL(textChanged(const QString &)),
 183                 this, SLOT(change_adaptor()));
 184         connect(origin, SIGNAL(activated(int)),
 185                 this, SLOT(change_adaptor()));
 186         connect(scaleCB, SIGNAL(clicked()),
 187                 this, SLOT(change_adaptor()));
 188         connect(Scale, SIGNAL(textChanged(const QString &)),
 189                 this, SLOT(change_adaptor()));
 190         connect(rotateOrderCB, SIGNAL(clicked()),
 191                 this, SLOT(change_adaptor()));
 192
 193         filename->setValidator(new PathValidator(true, filename));
 194         setFocusProxy(filename);
 195
 196         QDoubleValidator * scaleValidator = new DoubleAutoValidator(Scale);
 197         scaleValidator->setBottom(0);
 198         scaleValidator->setDecimals(256); //I guess that will do
 199         Scale->setValidator(scaleValidator);
 200         Height->setValidator(unsignedLengthAutoValidator(Height));
 201         Width->setValidator(unsignedLengthAutoValidator(Width));
 202         angle->setValidator(new QDoubleValidator(-360, 360, 2, angle));
 203
 204         //clipping pane
 205         connect(clip, SIGNAL(stateChanged(int)),
 206                 this, SLOT(change_adaptor()));
 207         connect(lbY, SIGNAL(textChanged(const QString&)),
 208                 this, SLOT(change_bb()));
 209         connect(lbYunit, SIGNAL(activated(int)),
 210                 this, SLOT(change_bb()));
 211         connect(rtY, SIGNAL(textChanged(const QString&)),
 212                 this, SLOT(change_bb()));
 213         connect(rtYunit, SIGNAL(activated(int)),
 214                 this, SLOT(change_bb()));
 215         connect(lbX, SIGNAL(textChanged(const QString&)),
 216                 this, SLOT(change_bb()));
 217         connect(lbXunit, SIGNAL(activated(int)),
 218                 this, SLOT(change_bb()));
 219         connect(rtX, SIGNAL(textChanged(const QString&)),
 220                 this, SLOT(change_bb()));
 221         connect(rtXunit, SIGNAL(activated(int)),
 222                 this, SLOT(change_bb()));
 223         connect(getPB, SIGNAL(clicked()),
 224                 this, SLOT(change_adaptor()));
 225
 226         lbX->setValidator(new QDoubleValidator(lbX));
 227         lbY->setValidator(new QDoubleValidator(lbY));
 228         rtX->setValidator(new QDoubleValidator(rtX));
 229         rtY->setValidator(new QDoubleValidator(rtY));
 230
 231         //extra options pane
 232         connect(latexoptions, SIGNAL(textChanged(const QString&)),
 233                 this, SLOT(change_adaptor()));
 234         connect(draftCB, SIGNAL(stateChanged(int)),
 235                 this, SLOT(change_adaptor()));
 236         connect(unzipCB, SIGNAL(stateChanged(int)),
 237                 this, SLOT(change_adaptor()));
 238         // FIXME: we should connect to clicked() when we move to Qt 4.2 because
 239         // the toggled(bool) signal is also trigged when we update the widgets
 240         // (rgh-4/07) this isn't as much or a problem as it was, because we're now
 241         // using blockSignals() to keep from triggering that signal when we call
 242         // setChecked(). Note, too, that clicked() would get called whenever it
 243         // is clicked, even right clicked (I think), not just whenever it is
 244         // toggled.
 245         connect(displayGB, SIGNAL(toggled(bool)),
 246                 this, SLOT(change_adaptor()));
 247         connect(showCB, SIGNAL(currentIndexChanged(int)),
 248                 this, SLOT(change_adaptor()));
 249         connect(displayscale, SIGNAL(textChanged(const QString&)),
 250                 this, SLOT(change_adaptor()));
 251         displayscale->setValidator(new QIntValidator(displayscale));
 252
 253         bc().setPolicy(ButtonPolicy::NoRepeatedApplyReadOnlyPolicy);
 254         bc().setOK(okPB);
 255         bc().setApply(applyPB);
 256         bc().setRestore(restorePB);
 257         bc().setCancel(closePB);
 258
 259         bc().addReadOnly(latexoptions);
 260         bc().addReadOnly(filenameL);
 261         bc().addReadOnly(filename);
 262         bc().addReadOnly(browsePB);
 263         bc().addReadOnly(unzipCB);
 264         bc().addReadOnly(bbFrame);
 265         bc().addReadOnly(draftCB);
 266         bc().addReadOnly(clip);
 267         bc().addReadOnly(unzipCB);
 268         bc().addReadOnly(displayGB);
 269         bc().addReadOnly(sizeGB);
 270         bc().addReadOnly(rotationGB);
 271         bc().addReadOnly(latexoptions);
 272         bc().addReadOnly(getPB);
 273         bc().addReadOnly(rotateOrderCB);
 274
 275         // initialize the length validator
 276         bc().addCheckedLineEdit(Scale, scaleCB);
 277         bc().addCheckedLineEdit(Width, WidthCB);
 278         bc().addCheckedLineEdit(Height, HeightCB);
 279         bc().addCheckedLineEdit(displayscale, scaleLA);
 280         bc().addCheckedLineEdit(angle, angleL);
 281         bc().addCheckedLineEdit(lbX, xL);
 282         bc().addCheckedLineEdit(lbY, yL);
 283         bc().addCheckedLineEdit(rtX, xL_2);
 284         bc().addCheckedLineEdit(rtY, yL_2);
 285         bc().addCheckedLineEdit(filename, filenameL);
 286 }
 287
 288
 289 void GuiGraphics::change_adaptor()
 290 {
 291         changed();
 292 }
 293
 294
 295 void GuiGraphics::change_bb()
 296 {
 297         bbChanged = true;
 298         LYXERR(Debug::GRAPHICS, "[bb_Changed set to true]");
 299         changed();
 300 }
 301
 302
 303 void GuiGraphics::on_browsePB_clicked()
 304 {
 305         QString const str = browse(filename->text());
 306         if (!str.isEmpty()) {
 307                 filename->setText(str);
 308                 changed();
 309         }
 310 }
 311
 312
 313 void GuiGraphics::on_getPB_clicked()
 314 {
 315         getBB();
 316 }
 317
 318
 319 void GuiGraphics::on_filename_textChanged(const QString & filename)
 320 {
 321         EmbeddedFile file = EmbeddedFile(fromqstr(filename), fromqstr(bufferFilepath()));
 322 }
 323
 324
 325 void GuiGraphics::setAutoText()
 326 {
 327         if (scaleCB->isChecked())
 328                 return;
 329         if (!Scale->isEnabled() && Scale->text() != "100")
 330                 Scale->setText(QString("auto"));
 331
 332         setAutoTextCB(WidthCB, Width, widthUnit);
 333         setAutoTextCB(HeightCB, Height, heightUnit);
 334 }
 335
 336
 337 void GuiGraphics::on_scaleCB_toggled(bool setScale)
 338 {
 339         Scale->setEnabled(setScale);
 340         if (setScale) {
 341                 Scale->setText("100");
 342                 Scale->setFocus(Qt::OtherFocusReason);
 343         }
 344
 345         WidthCB->setDisabled(setScale);
 346         WidthCB->blockSignals(true);
 347         WidthCB->setChecked(false);
 348         WidthCB->blockSignals(false);
 349         Width->setEnabled(false);
 350         widthUnit->setEnabled(false);
 351
 352         HeightCB->setDisabled(setScale);
 353         HeightCB->blockSignals(true);
 354         HeightCB->setChecked(false);
 355         HeightCB->blockSignals(false);
 356         Height->setEnabled(false);
 357         heightUnit->setEnabled(false);
 358
 359         aspectratio->setDisabled(true);
 360         aspectratio->setChecked(true);
 361
 362         rotateOrderCB->setEnabled((WidthCB->isChecked() ||
 363                                  HeightCB->isChecked() ||
 364                                  scaleCB->isChecked()) &&
 365                                  (angle->text() != "0"));
 366
 367         setAutoText();
 368 }
 369
 370
 371 void GuiGraphics::on_WidthCB_toggled(bool setWidth)
 372 {
 373         Width->setEnabled(setWidth);
 374         widthUnit->setEnabled(setWidth);
 375         if (setWidth)
 376                 Width->setFocus(Qt::OtherFocusReason);
 377
 378         bool const setHeight = HeightCB->isChecked();
 379         aspectratio->setEnabled(setWidth && setHeight);
 380         aspectratio->blockSignals(true);
 381         aspectratio->setChecked(!(setWidth && setHeight));
 382         aspectratio->blockSignals(false);
 383
 384         scaleCB->setEnabled(!setWidth && !setHeight);
 385         //already will be unchecked, so don't need to do that
 386         Scale->setEnabled((!setWidth && !setHeight) //=scaleCB->isEnabled()
 387                         && scaleCB->isChecked()); //should be false, but let's check
 388         rotateOrderCB->setEnabled((setWidth || setHeight ||
 389                                  scaleCB->isChecked()) &&
 390                                  (angle->text() != "0"));
 391
 392         setAutoText();
 393 }
 394
 395
 396 void GuiGraphics::on_HeightCB_toggled(bool setHeight)
 397 {
 398         Height->setEnabled(setHeight);
 399         heightUnit->setEnabled(setHeight);
 400         if (setHeight)
 401                 Height->setFocus(Qt::OtherFocusReason);
 402
 403         bool const setWidth = WidthCB->isChecked();
 404         aspectratio->setEnabled(setWidth && setHeight);
 405         aspectratio->blockSignals(true);
 406         aspectratio->setChecked(!(setWidth && setHeight));
 407         aspectratio->blockSignals(false);
 408
 409         scaleCB->setEnabled(!setWidth && !setHeight);
 410         //already unchecked
 411         Scale->setEnabled((!setWidth && !setHeight) //=scaleCB->isEnabled()
 412                 && scaleCB->isChecked()); //should be false
 413         rotateOrderCB->setEnabled((setWidth || setHeight ||
 414                                  scaleCB->isChecked()) &&
 415                                  (angle->text() != "0"));
 416
 417         setAutoText();
 418 }
 419
 420
 421 void GuiGraphics::on_angle_textChanged(const QString & filename)
 422 {
 423         rotateOrderCB->setEnabled((WidthCB->isChecked() ||
 424                                  HeightCB->isChecked() ||
 425                                  scaleCB->isChecked()) &&
 426                                  (filename != "0"));
 427 }
 428
 429 // returns the number of the string s in the vector v
 430 static int itemNumber(const vector<string> & v, string const & s)
 431 {
 432         vector<string>::const_iterator cit =
 433                     find(v.begin(), v.end(), s);
 434         return (cit != v.end()) ? int(cit - v.begin()) : 0;
 435 }
 436
 437
 438 void GuiGraphics::updateContents()
 439 {
 440         static char const * const bb_units[] = { "bp", "cm", "mm", "in" };
 441         size_t const bb_size = sizeof(bb_units) / sizeof(bb_units[0]);
 442
 443         vector<string> const units = vector<string>(bb_units, bb_units + bb_size);
 444         lbXunit->clear();
 445         lbYunit->clear();
 446         rtXunit->clear();
 447         rtYunit->clear();
 448         for (vector<string>::const_iterator it = units.begin();
 449             it != units.end(); ++it) {
 450                 lbXunit->addItem(toqstr(*it));
 451                 lbYunit->addItem(toqstr(*it));
 452                 rtXunit->addItem(toqstr(*it));
 453                 rtYunit->addItem(toqstr(*it));
 454         }
 455
 456         InsetGraphicsParams & igp = params_;
 457
 458         // set the right default unit
 459         Length::UNIT unitDefault = Length::CM;
 460         switch (lyxrc.default_papersize) {
 461                 case PAPER_USLETTER:
 462                 case PAPER_USLEGAL:
 463                 case PAPER_USEXECUTIVE:
 464                         unitDefault = Length::IN;
 465                         break;
 466                 default:
 467                         break;
 468         }
 469
 470         string const name =
 471                 igp.filename.outputFilename(fromqstr(bufferFilepath()));
 472         filename->setText(toqstr(name));
 473
 474         // set the bounding box values
 475         if (igp.bb.empty()) {
 476                 string const bb = readBoundingBox(igp.filename.absFilename());
 477                 // the values from the file always have the bigpoint-unit bp
 478                 lbX->setText(toqstr(token(bb, ' ', 0)));
 479                 lbY->setText(toqstr(token(bb, ' ', 1)));
 480                 rtX->setText(toqstr(token(bb, ' ', 2)));
 481                 rtY->setText(toqstr(token(bb, ' ', 3)));
 482                 lbXunit->setCurrentIndex(0);
 483                 lbYunit->setCurrentIndex(0);
 484                 rtXunit->setCurrentIndex(0);
 485                 rtYunit->setCurrentIndex(0);
 486                 bbChanged = false;
 487         } else {
 488                 // get the values from the inset
 489                 Length anyLength;
 490                 string const xl = token(igp.bb, ' ', 0);
 491                 string const yl = token(igp.bb, ' ', 1);
 492                 string const xr = token(igp.bb, ' ', 2);
 493                 string const yr = token(igp.bb, ' ', 3);
 494                 if (isValidLength(xl, &anyLength)) {
 495                         lbX->setText(toqstr(convert<string>(anyLength.value())));
 496                         string const unit = unit_name[anyLength.unit()];
 497                         lbXunit->setCurrentIndex(itemNumber(units, unit));
 498                 } else {
 499                         lbX->setText(toqstr(xl));
 500                 }
 501                 if (isValidLength(yl, &anyLength)) {
 502                         lbY->setText(toqstr(convert<string>(anyLength.value())));
 503                         string const unit = unit_name[anyLength.unit()];
 504                         lbYunit->setCurrentIndex(itemNumber(units, unit));
 505                 } else {
 506                         lbY->setText(toqstr(xl));
 507                 }
 508                 if (isValidLength(xr, &anyLength)) {
 509                         rtX->setText(toqstr(convert<string>(anyLength.value())));
 510                         string const unit = unit_name[anyLength.unit()];
 511                         rtXunit->setCurrentIndex(itemNumber(units, unit));
 512                 } else {
 513                         rtX->setText(toqstr(xl));
 514                 }
 515                 if (isValidLength(yr, &anyLength)) {
 516                         rtY->setText(toqstr(convert<string>(anyLength.value())));
 517                         string const unit = unit_name[anyLength.unit()];
 518                         rtYunit->setCurrentIndex(itemNumber(units, unit));
 519                 } else {
 520                         rtY->setText(toqstr(xl));
 521                 }
 522                 bbChanged = true;
 523         }
 524
 525         // Update the draft and clip mode
 526         draftCB->setChecked(igp.draft);
 527         clip->setChecked(igp.clip);
 528         unzipCB->setChecked(igp.noUnzip);
 529
 530         int item = 0;
 531         switch (igp.display) {
 532                 case graphics::DefaultDisplay: item = 0; break;
 533                 case graphics::MonochromeDisplay: item = 1; break;
 534                 case graphics::GrayscaleDisplay: item = 2; break;
 535                 case graphics::ColorDisplay: item = 3; break;
 536                 case graphics::NoDisplay: item = 0; break;
 537         }
 538         showCB->setCurrentIndex(item);
 539         displayscale->setText(toqstr(convert<string>(igp.lyxscale)));
 540         displayGB->setChecked(igp.display != graphics::NoDisplay);
 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
 552         lengthAutoToWidgets(Width, widthUnit, igp.width,
 553                 unitDefault);
 554         bool const widthChecked = !Width->text().isEmpty() &&
 555                 Width->text() != "auto";
 556         WidthCB->blockSignals(true);
 557         WidthCB->setChecked(widthChecked);
 558         WidthCB->blockSignals(false);
 559         Width->setEnabled(widthChecked);
 560         widthUnit->setEnabled(widthChecked);
 561
 562         lengthAutoToWidgets(Height, heightUnit, igp.height,
 563                 unitDefault);
 564         bool const heightChecked = !Height->text().isEmpty()
 565                 && Height->text() != "auto";
 566         HeightCB->blockSignals(true);
 567         HeightCB->setChecked(heightChecked);
 568         HeightCB->blockSignals(false);
 569         Height->setEnabled(heightChecked);
 570         heightUnit->setEnabled(heightChecked);
 571
 572         scaleCB->setEnabled(!widthChecked && !heightChecked);
 573         WidthCB->setEnabled(!scaleChecked);
 574         HeightCB->setEnabled(!scaleChecked);
 575         aspectratio->setEnabled(widthChecked && heightChecked);
 576
 577         setAutoText();
 578
 579         angle->setText(toqstr(igp.rotateAngle));
 580         rotateOrderCB->setChecked(igp.scaleBeforeRotation);
 581
 582         rotateOrderCB->setEnabled( (widthChecked || heightChecked || scaleChecked)
 583                 && igp.rotateAngle != "0");
 584
 585         origin->clear();
 586
 587         vector<RotationOriginPair> origindata = getRotationOriginData();
 588         vector<docstring> const origin_lang = getFirst(origindata);
 589         origin_ltx = getSecond(origindata);
 590
 591         for (vector<docstring>::const_iterator it = origin_lang.begin();
 592             it != origin_lang.end(); ++it)
 593                 origin->addItem(toqstr(*it));
 594
 595         if (!igp.rotateOrigin.empty())
 596                 origin->setCurrentIndex(itemNumber(origin_ltx, igp.rotateOrigin));
 597         else
 598                 origin->setCurrentIndex(0);
 599
 600         //// latex section
 601         latexoptions->setText(toqstr(igp.special));
 602 }
 603
 604
 605 void GuiGraphics::applyView()
 606 {
 607         InsetGraphicsParams & igp = params_;
 608
 609         igp.filename.set(fromqstr(filename->text()), fromqstr(bufferFilepath()));
 610
 611         // the bb section
 612         igp.bb.erase();
 613         if (bbChanged) {
 614                 string bb;
 615                 string lbXs = fromqstr(lbX->text());
 616                 string lbYs = fromqstr(lbY->text());
 617                 string rtXs = fromqstr(rtX->text());
 618                 string rtYs = fromqstr(rtY->text());
 619                 int bb_sum =
 620                         convert<int>(lbXs) + convert<int>(lbYs) +
 621                         convert<int>(rtXs) + convert<int>(rtXs);
 622                 if (bb_sum) {
 623                         if (lbXs.empty())
 624                                 bb = "0 ";
 625                         else
 626                                 bb = lbXs + fromqstr(lbXunit->currentText()) + ' ';
 627                         if (lbYs.empty())
 628                                 bb += "0 ";
 629                         else
 630                                 bb += (lbYs + fromqstr(lbYunit->currentText()) + ' ');
 631                         if (rtXs.empty())
 632                                 bb += "0 ";
 633                         else
 634                                 bb += (rtXs + fromqstr(rtXunit->currentText()) + ' ');
 635                         if (rtYs.empty())
 636                                 bb += '0';
 637                         else
 638                                 bb += (rtYs + fromqstr(rtYunit->currentText()));
 639                         igp.bb = bb;
 640                 }
 641         }
 642
 643         igp.draft = draftCB->isChecked();
 644         igp.clip = clip->isChecked();
 645
 646         switch (showCB->currentIndex()) {
 647                 case 0: igp.display = graphics::DefaultDisplay; break;
 648                 case 1: igp.display = graphics::MonochromeDisplay; break;
 649                 case 2: igp.display = graphics::GrayscaleDisplay; break;
 650                 case 3: igp.display = graphics::ColorDisplay; break;
 651                 default:;
 652         }
 653
 654         if (!displayGB->isChecked())
 655                 igp.display = graphics::NoDisplay;
 656
 657         //the graphics section
 658         if (scaleCB->isChecked() && !Scale->text().isEmpty()) {
 659                 igp.scale = fromqstr(Scale->text());
 660                 igp.width = Length("0pt");
 661                 igp.height = Length("0pt");
 662                 igp.keepAspectRatio = false;
 663         } else {
 664                 igp.scale = string();
 665                 igp.width = WidthCB->isChecked() ?
 666                         //Note that this works even if Width is "auto", since in
 667                         //that case we get "0pt".
 668                         Length(widgetsToLength(Width, widthUnit)):
 669                         Length("0pt");
 670                 igp.height = HeightCB->isChecked() ?
 671                         Length(widgetsToLength(Height, heightUnit)) :
 672                         Length("0pt");
 673                 igp.keepAspectRatio = aspectratio->isEnabled() &&
 674                         aspectratio->isChecked() &&
 675                         igp.width.value() > 0 && igp.height.value() > 0;
 676         }
 677
 678         igp.noUnzip = unzipCB->isChecked();
 679         igp.lyxscale = displayscale->text().toInt();
 680         igp.rotateAngle = fromqstr(angle->text());
 681
 682         double rotAngle = convert<double>(igp.rotateAngle);
 683         if (abs(rotAngle) > 360.0) {
 684                 rotAngle -= 360.0 * floor(rotAngle / 360.0);
 685                 igp.rotateAngle = convert<string>(rotAngle);
 686         }
 687
 688         // save the latex name for the origin. If it is the default
 689         // then origin_ltx returns ""
 690         igp.rotateOrigin = origin_ltx[origin->currentIndex()];
 691         igp.scaleBeforeRotation = rotateOrderCB->isChecked();
 692
 693         // more latex options
 694         igp.special = fromqstr(latexoptions->text());
 695 }
 696
 697
 698 void GuiGraphics::getBB()
 699 {
 700         string const fn = fromqstr(filename->text());
 701         if (fn.empty())
 702                 return;
 703         string const bb = readBoundingBox(fn);
 704         bbChanged = false;
 705         if (bb.empty())
 706                 return;
 707         lbX->setText(toqstr(token(bb, ' ', 0)));
 708         lbY->setText(toqstr(token(bb, ' ', 1)));
 709         rtX->setText(toqstr(token(bb, ' ', 2)));
 710         rtY->setText(toqstr(token(bb, ' ', 3)));
 711         // the default units for the bb values when reading
 712         // it from the file
 713         lbXunit->setCurrentIndex(0);
 714         lbYunit->setCurrentIndex(0);
 715         rtXunit->setCurrentIndex(0);
 716         rtYunit->setCurrentIndex(0);
 717 }
 718
 719
 720 bool GuiGraphics::isValid()
 721 {
 722         return !filename->text().isEmpty();
 723 }
 724
 725
 726 bool GuiGraphics::initialiseParams(string const & data)
 727 {
 728         InsetGraphics::string2params(data, buffer(), params_);
 729         return true;
 730 }
 731
 732
 733 void GuiGraphics::clearParams()
 734 {
 735         params_ = InsetGraphicsParams();
 736 }
 737
 738
 739 void GuiGraphics::dispatchParams()
 740 {
 741         InsetGraphicsParams tmp_params(params_);
 742         string const lfun = InsetGraphics::params2string(tmp_params, buffer());
 743         dispatch(FuncRequest(getLfun(), lfun));
 744 }
 745
 746
 747 QString GuiGraphics::browse(QString const & in_name) const
 748 {
 749         QString const title = qt_("Select graphics file");
 750
 751         // Does user clipart directory exist?
 752         string clipdir = addName(package().user_support().absFilename(), "clipart");
 753         FileName clip(clipdir);
 754
 755         // bail out to system clipart directory
 756         if (!(clip.exists() && clip.isDirectory()))
 757                 clipdir = addName(package().system_support().absFilename(), "clipart");
 758
 759         return browseRelFile(in_name, bufferFilepath(),
 760                 title, FileFilterList(), false,
 761                 qt_("Clipart|#C#c"), toqstr(clipdir),
 762                 qt_("Documents|#o#O"), toqstr(lyxrc.document_path));
 763 }
 764
 765
 766 string GuiGraphics::readBoundingBox(string const & file)
 767 {
 768         FileName const abs_file = makeAbsPath(file, fromqstr(bufferFilepath()));
 769
 770         // try to get it from the file, if possible. Zipped files are
 771         // unzipped in the readBB_from_PSFile-Function
 772         string const bb = readBB_from_PSFile(abs_file);
 773         if (!bb.empty())
 774                 return bb;
 775
 776         // we don't, so ask the Graphics Cache if it has loaded the file
 777         int width = 0;
 778         int height = 0;
 779
 780         graphics::Cache & gc = graphics::Cache::get();
 781         if (gc.inCache(abs_file)) {
 782                 graphics::Image const * image = gc.item(abs_file)->image();
 783
 784                 if (image) {
 785                         width  = image->width();
 786                         height = image->height();
 787                 }
 788         }
 789
 790         return ("0 0 " + convert<string>(width) + ' ' + convert<string>(height));
 791 }
 792
 793
 794 bool GuiGraphics::isFileNameValid(string const & fname) const
 795 {
 796         // It may be that the filename is relative.
 797         return makeAbsPath(fname, fromqstr(bufferFilepath())).isReadableFile();
 798 }
 799
 800
 801 Dialog * createGuiGraphics(GuiView & lv) { return new GuiGraphics(lv); }
 802
 803
 804 } // namespace frontend
 805 } // namespace lyx
 806
 807 #include "GuiGraphics_moc.cpp"