src/frontends/qt4/GuiGraphics.cpp

   1 /**
   2  * \file GuiGraphics.cpp
   3  * This file is part of LyX, the document processor.
   4  * Licence details can be found in the file COPYING.
   5  *
   6  * \author Angus Leeming
   7  * \author John Levon
   8  * \author Edwin Leuven
   9  * \author Herbert Voß
  10  * \author Richard Heck
  11  *
  12  * Full author contact details are available in file CREDITS.
  13  */
  14
  15 #include <config.h>
  16
  17 #include "GuiGraphics.h"
  18 #include "frontends/alert.h"
  19 #include "qt_helpers.h"
  20 #include "Validator.h"
  21
  22 #include "Buffer.h"
  23 #include "FuncRequest.h"
  24 #include "LengthCombo.h"
  25 #include "Length.h"
  26 #include "LyXRC.h"
  27
  28 #include "graphics/epstools.h"
  29 #include "graphics/GraphicsCache.h"
  30 #include "graphics/GraphicsCacheItem.h"
  31 #include "graphics/GraphicsImage.h"
  32
  33 #include "insets/InsetGraphics.h"
  34
  35 #include "support/convert.h"
  36 #include "support/debug.h"
  37 #include "support/filetools.h"
  38 #include "support/gettext.h"
  39 #include "support/lstrings.h"
  40 #include "support/os.h"
  41 #include "support/Package.h"
  42 #include "support/types.h"
  43
  44 #include <QCheckBox>
  45 #include <QLabel>
  46 #include <QLineEdit>
  47 #include <QPushButton>
  48 #include <QValidator>
  49
  50 #include <cmath>
  51 #include <utility>
  52
  53 using namespace std;
  54 using namespace lyx::support;
  55
  56 namespace {
  57
  58 // These are the strings that are stored in the LyX file and which
  59 // correspond to the LaTeX identifiers shown in the comments at the
  60 // end of each line.
  61 char const * const rorigin_lyx_strs[] = {
  62         // the LaTeX default is leftBaseline
  63         "",
  64         "leftTop",  "leftBottom", "leftBaseline", // lt lb lB
  65         "center", "centerTop", "centerBottom", "centerBaseline", // c ct cb cB
  66         "rightTop", "rightBottom", "rightBaseline" }; // rt rb rB
  67
  68 // These are the strings, corresponding to the above, that the GUI should
  69 // use. Note that they can/should be translated.
  70 char const * const rorigin_gui_strs[] = {
  71         N_("Default"),
  72         N_("Top left"), N_("Bottom left"), N_("Baseline left"),
  73         N_("Center"), N_("Top center"), N_("Bottom center"), N_("Baseline center"),
  74         N_("Top right"), N_("Bottom right"), N_("Baseline right") };
  75
  76 size_t const rorigin_size = sizeof(rorigin_lyx_strs) / sizeof(char *);
  77
  78 static string const autostr = N_("automatically");
  79
  80 } // namespace anon
  81
  82
  83 namespace lyx {
  84 namespace frontend {
  85
  86 //FIXME setAutoTextCB should really take an argument, as indicated, that
  87 //determines what text is to be written for "auto". But making
  88 //that work involves more extensive revisions than we now want
  89 //to make, since "auto" also appears in paramsToDialog().
  90 //The right way to do this, I think, would be to define a class
  91 //checkedLengthSet (and a partnering labeledLengthSete) that encapsulated
  92 //the checkbox, line edit, and length combo together, and then made e.g.
  93 //lengthToWidgets, widgetsToLength, etc, all public methods of that class.
  94 //Perhaps even the validator could be exposed through it.
  95 /**
  96  * sets a checkbox-line edit-length combo group, using "text" if the
  97  * checkbox is unchecked and clearing the line edit if it previously
  98  * said "text".
  99 */
 100 static void setAutoTextCB(QCheckBox * checkBox, QLineEdit * lineEdit,
 101         LengthCombo * lengthCombo/*, string text = "auto"*/)
 102 {
 103         if (!checkBox->isChecked())
 104                 lengthToWidgets(lineEdit, lengthCombo,
 105                                 _(autostr), lengthCombo->currentLengthItem());
 106         else if (lineEdit->text() == qt_(autostr))
 107                 lengthToWidgets(lineEdit, lengthCombo, string(),
 108                                 lengthCombo->currentLengthItem());
 109 }
 110
 111
 112 GuiGraphics::GuiGraphics(GuiView & lv)
 113         : GuiDialog(lv, "graphics", qt_("Graphics"))
 114 {
 115         setupUi(this);
 116
 117         //main buttons
 118         connect(okPB, SIGNAL(clicked()), this, SLOT(slotOK()));
 119         connect(applyPB, SIGNAL(clicked()), this, SLOT(slotApply()));
 120         connect(closePB, SIGNAL(clicked()), this, SLOT(slotClose()));
 121         connect(restorePB, SIGNAL(clicked()), this, SLOT(slotRestore()));
 122
 123         //graphics pane
 124         connect(filename, SIGNAL(textChanged(const QString &)),
 125                 this, SLOT(change_adaptor()));
 126         connect(WidthCB, SIGNAL(clicked()),
 127                 this, SLOT(change_adaptor()));
 128         connect(HeightCB, SIGNAL(clicked()),
 129                 this, SLOT(change_adaptor()));
 130         connect(Width, SIGNAL(textChanged(const QString &)),
 131                 this, SLOT(updateAspectRatioStatus()));
 132         connect(Width, SIGNAL(textChanged(const QString &)),
 133                 this, SLOT(change_adaptor()));
 134         connect(Height, SIGNAL(textChanged(const QString &)),
 135                 this, SLOT(updateAspectRatioStatus()));
 136         connect(Height, SIGNAL(textChanged(const QString &)),
 137                 this, SLOT(change_adaptor()));
 138         connect(heightUnit, SIGNAL(selectionChanged(lyx::Length::UNIT)),
 139                 this, SLOT(change_adaptor()));
 140         connect(widthUnit, SIGNAL(selectionChanged(lyx::Length::UNIT)),
 141                 this, SLOT(change_adaptor()));
 142         connect(aspectratio, SIGNAL(stateChanged(int)),
 143                 this, SLOT(change_adaptor()));
 144         connect(angle, SIGNAL(textChanged(const QString &)),
 145                 this, SLOT(change_adaptor()));
 146         connect(origin, SIGNAL(activated(int)),
 147                 this, SLOT(change_adaptor()));
 148         connect(scaleCB, SIGNAL(clicked()),
 149                 this, SLOT(change_adaptor()));
 150         connect(Scale, SIGNAL(textChanged(const QString &)),
 151                 this, SLOT(change_adaptor()));
 152         connect(rotateOrderCB, SIGNAL(clicked()),
 153                 this, SLOT(change_adaptor()));
 154
 155         filename->setValidator(new PathValidator(true, filename));
 156         setFocusProxy(filename);
 157
 158         QDoubleValidator * scaleValidator =
 159                 new DoubleAutoValidator(Scale, qt_(autostr));
 160         scaleValidator->setBottom(0);
 161         scaleValidator->setDecimals(256); //I guess that will do
 162         Scale->setValidator(scaleValidator);
 163         Height->setValidator(unsignedLengthAutoValidator(Height, qt_(autostr)));
 164         Width->setValidator(unsignedLengthAutoValidator(Width, qt_(autostr)));
 165         angle->setValidator(new QDoubleValidator(-360, 360, 2, angle));
 166
 167         //clipping pane
 168         connect(clip, SIGNAL(stateChanged(int)),
 169                 this, SLOT(change_adaptor()));
 170         connect(lbY, SIGNAL(textChanged(const QString&)),
 171                 this, SLOT(changeBB()));
 172         connect(lbYunit, SIGNAL(activated(int)),
 173                 this, SLOT(changeBB()));
 174         connect(rtY, SIGNAL(textChanged(const QString&)),
 175                 this, SLOT(changeBB()));
 176         connect(rtYunit, SIGNAL(activated(int)),
 177                 this, SLOT(changeBB()));
 178         connect(lbX, SIGNAL(textChanged(const QString&)),
 179                 this, SLOT(changeBB()));
 180         connect(lbXunit, SIGNAL(activated(int)),
 181                 this, SLOT(changeBB()));
 182         connect(rtX, SIGNAL(textChanged(const QString&)),
 183                 this, SLOT(changeBB()));
 184         connect(rtXunit, SIGNAL(activated(int)),
 185                 this, SLOT(changeBB()));
 186         connect(getPB, SIGNAL(clicked()),
 187                 this, SLOT(change_adaptor()));
 188
 189         lbX->setValidator(new QDoubleValidator(lbX));
 190         lbY->setValidator(new QDoubleValidator(lbY));
 191         rtX->setValidator(new QDoubleValidator(rtX));
 192         rtY->setValidator(new QDoubleValidator(rtY));
 193
 194         //extra options pane
 195         connect(latexoptions, SIGNAL(textChanged(const QString&)),
 196                 this, SLOT(change_adaptor()));
 197         connect(draftCB, SIGNAL(stateChanged(int)),
 198                 this, SLOT(change_adaptor()));
 199         connect(unzipCB, SIGNAL(stateChanged(int)),
 200                 this, SLOT(change_adaptor()));
 201         // FIXME: we should connect to clicked() when we move to Qt 4.2 because
 202         // the toggled(bool) signal is also trigged when we update the widgets
 203         // (rgh-4/07) this isn't as much or a problem as it was, because we're now
 204         // using blockSignals() to keep from triggering that signal when we call
 205         // setChecked(). Note, too, that clicked() would get called whenever it
 206         // is clicked, even right clicked (I think), not just whenever it is
 207         // toggled.
 208         connect(displayGB, SIGNAL(toggled(bool)), this, SLOT(change_adaptor()));
 209         connect(displayscale, SIGNAL(textChanged(const QString&)),
 210                 this, SLOT(change_adaptor()));
 211         connect(groupCO, SIGNAL(currentIndexChanged(int)),
 212                 this, SLOT(changeGroup(int)));
 213
 214         displayscale->setValidator(new QIntValidator(displayscale));
 215
 216         bc().setPolicy(ButtonPolicy::NoRepeatedApplyReadOnlyPolicy);
 217         bc().setOK(okPB);
 218         bc().setApply(applyPB);
 219         bc().setRestore(restorePB);
 220         bc().setCancel(closePB);
 221
 222         bc().addReadOnly(latexoptions);
 223         bc().addReadOnly(filenameL);
 224         bc().addReadOnly(filename);
 225         bc().addReadOnly(browsePB);
 226         bc().addReadOnly(unzipCB);
 227         bc().addReadOnly(bbFrame);
 228         bc().addReadOnly(draftCB);
 229         bc().addReadOnly(clip);
 230         bc().addReadOnly(unzipCB);
 231         bc().addReadOnly(displayGB);
 232         bc().addReadOnly(sizeGB);
 233         bc().addReadOnly(rotationGB);
 234         bc().addReadOnly(latexoptions);
 235         bc().addReadOnly(getPB);
 236         bc().addReadOnly(rotateOrderCB);
 237
 238         // initialize the length validator
 239         bc().addCheckedLineEdit(Scale, scaleCB);
 240         bc().addCheckedLineEdit(Width, WidthCB);
 241         bc().addCheckedLineEdit(Height, HeightCB);
 242         bc().addCheckedLineEdit(displayscale, scaleLA);
 243         bc().addCheckedLineEdit(angle, angleL);
 244         bc().addCheckedLineEdit(lbX, xL);
 245         bc().addCheckedLineEdit(lbY, yL);
 246         bc().addCheckedLineEdit(rtX, xL_2);
 247         bc().addCheckedLineEdit(rtY, yL_2);
 248         bc().addCheckedLineEdit(filename, filenameL);
 249 }
 250
 251
 252 void GuiGraphics::change_adaptor()
 253 {
 254         changed();
 255 }
 256
 257
 258 void GuiGraphics::changeGroup(int /* index */)
 259 {
 260         QString const new_group = groupCO->itemData(
 261                 groupCO->currentIndex()).toString();
 262
 263         // check if the old group consisted only of this member
 264         if (current_group_ != fromqstr(new_group)
 265             && graphics::countGroupMembers(buffer(), current_group_) == 1) {
 266                 if (!new_group.isEmpty()) {
 267                         if (Alert::prompt(_("Dissolve previous group?"),
 268                                 bformat(_("If you assign this graphic to group '%2$s',\n"
 269                                           "the previously assigned group '%1$s' will be dissolved,\n"
 270                                           "because this graphic was its only member.\n"
 271                                           "How do you want to proceed?"),
 272                                         from_utf8(current_group_), qstring_to_ucs4(new_group)),
 273                                         0, 0,
 274                                         bformat(_("Stick with group '%1$s'"),
 275                                                 from_utf8(current_group_)),
 276                                         bformat(_("Assign to group '%1$s' anyway"),
 277                                                 qstring_to_ucs4(new_group))) == 0) {
 278                                 groupCO->setCurrentIndex(
 279                                         groupCO->findData(toqstr(current_group_), Qt::MatchExactly));
 280                                 return;
 281                         }
 282                 } else {
 283                         if (Alert::prompt(_("Dissolve previous group?"),
 284                         bformat(_("If you sign off this graphic from group '%1$s',\n"
 285                                   "the group will be dissolved,\n"
 286                                   "because this graphic was its only member.\n"
 287                                   "How do you want to proceed?"),
 288                                 from_utf8(current_group_)),
 289                                 0, 0,
 290                                 bformat(_("Stick with group '%1$s'"),
 291                                 from_utf8(current_group_)),
 292                                 bformat(_("Sign off from group '%1$s'"),
 293                                 from_utf8(current_group_))) == 0) {
 294                         groupCO->setCurrentIndex(
 295                                 groupCO->findData(toqstr(current_group_), Qt::MatchExactly));
 296                         return;
 297                         }
 298                 }
 299         }
 300
 301         if (new_group.isEmpty()) {
 302                 changed();
 303                 return;
 304         }
 305
 306         string grp = graphics::getGroupParams(buffer(), fromqstr(new_group));
 307         if (grp.empty()) {
 308                 // group does not exist yet
 309                 changed();
 310                 return;
 311         }
 312
 313         // filename might have been changed
 314         QString current_filename = filename->text();
 315
 316         // group exists: load params into the dialog
 317         groupCO->blockSignals(true);
 318         InsetGraphics::string2params(grp, buffer(), params_);
 319         paramsToDialog(params_);
 320         groupCO->blockSignals(false);
 321
 322         // reset filename
 323         filename->setText(current_filename);
 324
 325         changed();
 326 }
 327
 328
 329 void GuiGraphics::on_newGroupPB_clicked()
 330 {
 331         docstring newgroup;
 332         if (!Alert::askForText(newgroup, _("Enter unique group name:")))
 333                 return;
 334         if (newgroup.empty())
 335                 return;
 336         if (groupCO->findData(toqstr(newgroup), Qt::MatchExactly) != -1) {
 337                 Alert::warning(_("Group already defined!"),
 338                         bformat(_("A graphics group with the name '%1$s' already exists."),
 339                                 newgroup));
 340                 return;
 341         }
 342         groupCO->addItem(toqstr(newgroup), toqstr(newgroup));
 343         groupCO->setCurrentIndex(
 344                 groupCO->findData(toqstr(newgroup), Qt::MatchExactly));
 345 }
 346
 347
 348 void GuiGraphics::changeBB()
 349 {
 350         bbChanged = true;
 351         LYXERR(Debug::GRAPHICS, "[bb_Changed set to true]");
 352         changed();
 353 }
 354
 355
 356 void GuiGraphics::on_browsePB_clicked()
 357 {
 358         QString const str = browse(filename->text());
 359         if (!str.isEmpty()) {
 360                 filename->setText(str);
 361                 changed();
 362         }
 363 }
 364
 365
 366 void GuiGraphics::on_getPB_clicked()
 367 {
 368         getBB();
 369 }
 370
 371
 372 void GuiGraphics::setAutoText()
 373 {
 374         if (scaleCB->isChecked())
 375                 return;
 376         if (!Scale->isEnabled() && Scale->text() != "100")
 377                 Scale->setText(qt_(autostr));
 378
 379         setAutoTextCB(WidthCB, Width, widthUnit);
 380         setAutoTextCB(HeightCB, Height, heightUnit);
 381 }
 382
 383
 384 void GuiGraphics::on_scaleCB_toggled(bool setScale)
 385 {
 386         Scale->setEnabled(setScale);
 387         if (setScale) {
 388                 Scale->setText("100");
 389                 Scale->setFocus(Qt::OtherFocusReason);
 390         }
 391
 392         WidthCB->setDisabled(setScale);
 393         WidthCB->blockSignals(true);
 394         WidthCB->setChecked(false);
 395         WidthCB->blockSignals(false);
 396         Width->setEnabled(false);
 397         widthUnit->setEnabled(false);
 398
 399         HeightCB->setDisabled(setScale);
 400         HeightCB->blockSignals(true);
 401         HeightCB->setChecked(false);
 402         HeightCB->blockSignals(false);
 403         Height->setEnabled(false);
 404         heightUnit->setEnabled(false);
 405
 406         rotateOrderCB->setEnabled((WidthCB->isChecked() ||
 407                                  HeightCB->isChecked() ||
 408                                  scaleCB->isChecked()) &&
 409                                  (angle->text() != "0"));
 410
 411         setAutoText();
 412         updateAspectRatioStatus();
 413 }
 414
 415
 416 void GuiGraphics::on_WidthCB_toggled(bool setWidth)
 417 {
 418         Width->setEnabled(setWidth);
 419         widthUnit->setEnabled(setWidth);
 420         if (setWidth)
 421                 Width->setFocus(Qt::OtherFocusReason);
 422
 423         bool const setHeight = HeightCB->isChecked();
 424         scaleCB->setEnabled(!setWidth && !setHeight);
 425         //already will be unchecked, so don't need to do that
 426         Scale->setEnabled((!setWidth && !setHeight) //=scaleCB->isEnabled()
 427                         && scaleCB->isChecked()); //should be false, but let's check
 428         rotateOrderCB->setEnabled((setWidth || setHeight ||
 429                                  scaleCB->isChecked()) &&
 430                                  (angle->text() != "0"));
 431
 432         setAutoText();
 433         updateAspectRatioStatus();
 434 }
 435
 436
 437 void GuiGraphics::on_HeightCB_toggled(bool setHeight)
 438 {
 439         Height->setEnabled(setHeight);
 440         heightUnit->setEnabled(setHeight);
 441         if (setHeight)
 442                 Height->setFocus(Qt::OtherFocusReason);
 443
 444         bool const setWidth = WidthCB->isChecked();
 445         scaleCB->setEnabled(!setWidth && !setHeight);
 446         //already unchecked
 447         Scale->setEnabled((!setWidth && !setHeight) //=scaleCB->isEnabled()
 448                 && scaleCB->isChecked()); //should be false
 449         rotateOrderCB->setEnabled((setWidth || setHeight ||
 450                                  scaleCB->isChecked()) &&
 451                                  (angle->text() != "0"));
 452
 453         setAutoText();
 454         updateAspectRatioStatus();
 455 }
 456
 457
 458 void GuiGraphics::updateAspectRatioStatus()
 459 {
 460         // keepaspectratio only makes sense if both a width _and_ a
 461         // height are given, since its function is (see graphics manual):
 462         // "If set to true then specifying both 'width' and 'height'
 463         // (or 'totalheight') does not distort the figure but scales
 464         // such that neither of the specified dimensions is _exceeded_."
 465         aspectratio->setEnabled(
 466                 WidthCB->isChecked() && !Width->text().isEmpty()
 467                 && Width->text() != qt_(autostr)
 468                 && HeightCB->isChecked() && !Height->text().isEmpty()
 469                 && Height->text() != qt_(autostr)
 470                 );
 471         if (!aspectratio->isEnabled())
 472                 aspectratio->setChecked(false);
 473 }
 474
 475
 476 void GuiGraphics::on_aspectratio_toggled(bool aspectratio)
 477 {
 478         if (aspectratio) {
 479                 WidthCB->setText(qt_("Set max. &width:"));
 480                 HeightCB->setText(qt_("Set max. &height:"));
 481                 Width->setToolTip(qt_("Maximal width of image in output"));
 482                 Height->setToolTip(qt_("Maximal height of image in output"));
 483         } else {
 484                 WidthCB->setText(qt_("Set &width:"));
 485                 HeightCB->setText(qt_("Set &height:"));
 486                 Width->setToolTip(qt_("Width of image in output"));
 487                 Height->setToolTip(qt_("Height of image in output"));
 488         }
 489 }
 490
 491
 492 void GuiGraphics::on_angle_textChanged(const QString & filename)
 493 {
 494         rotateOrderCB->setEnabled((WidthCB->isChecked() ||
 495                                  HeightCB->isChecked() ||
 496                                  scaleCB->isChecked()) &&
 497                                  (filename != "0"));
 498 }
 499
 500
 501 void GuiGraphics::paramsToDialog(InsetGraphicsParams const & igp)
 502 {
 503         static char const * const bb_units[] = { "bp", "cm", "mm", "in" };
 504         static char const * const bb_units_gui[] = { N_("bp"), N_("cm"), N_("mm"), N_("in[[unit of measure]]") };
 505         size_t const bb_size = sizeof(bb_units) / sizeof(bb_units[0]);
 506
 507         lbXunit->clear();
 508         lbYunit->clear();
 509         rtXunit->clear();
 510         rtYunit->clear();
 511
 512         for (size_t i = 0; i < bb_size; i++) {
 513                 lbXunit->addItem(qt_(bb_units_gui[i]),
 514                         toqstr(bb_units[i]));
 515                 lbYunit->addItem(qt_(bb_units_gui[i]),
 516                         toqstr(bb_units[i]));
 517                 rtXunit->addItem(qt_(bb_units_gui[i]),
 518                         toqstr(bb_units[i]));
 519                 rtYunit->addItem(qt_(bb_units_gui[i]),
 520                         toqstr(bb_units[i]));
 521         }
 522
 523         // set the right default unit
 524         Length::UNIT const defaultUnit = Length::defaultUnit();
 525
 526         //lyxerr << bufferFilePath();
 527         string const name =
 528                 igp.filename.outputFileName(fromqstr(bufferFilePath()));
 529         filename->setText(toqstr(name));
 530
 531         // set the bounding box values
 532         if (igp.bb.empty()) {
 533                 string const bb = readBoundingBox(igp.filename.absFileName());
 534                 // the values from the file always have the bigpoint-unit bp
 535                 doubleToWidget(lbX, token(bb, ' ', 0));
 536                 doubleToWidget(lbY, token(bb, ' ', 1));
 537                 doubleToWidget(rtX, token(bb, ' ', 2));
 538                 doubleToWidget(rtY, token(bb, ' ', 3));
 539                 lbXunit->setCurrentIndex(0);
 540                 lbYunit->setCurrentIndex(0);
 541                 rtXunit->setCurrentIndex(0);
 542                 rtYunit->setCurrentIndex(0);
 543                 bbChanged = false;
 544         } else {
 545                 // get the values from the inset
 546                 Length anyLength;
 547                 string const xl = token(igp.bb, ' ', 0);
 548                 string const yl = token(igp.bb, ' ', 1);
 549                 string const xr = token(igp.bb, ' ', 2);
 550                 string const yr = token(igp.bb, ' ', 3);
 551                 if (isValidLength(xl, &anyLength)) {
 552                         doubleToWidget(lbX, anyLength.value());
 553                         string const unit = unit_name[anyLength.unit()];
 554                         lbXunit->setCurrentIndex(lbXunit->findData(toqstr(unit)));
 555                 } else {
 556                         lbX->setText(toqstr(xl));
 557                 }
 558                 if (isValidLength(yl, &anyLength)) {
 559                         doubleToWidget(lbY, anyLength.value());
 560                         string const unit = unit_name[anyLength.unit()];
 561                         lbYunit->setCurrentIndex(lbYunit->findData(toqstr(unit)));
 562                 } else {
 563                         lbY->setText(toqstr(xl));
 564                 }
 565                 if (isValidLength(xr, &anyLength)) {
 566                         doubleToWidget(rtX, anyLength.value());
 567                         string const unit = unit_name[anyLength.unit()];
 568                         rtXunit->setCurrentIndex(rtXunit->findData(toqstr(unit)));
 569                 } else {
 570                         rtX->setText(toqstr(xl));
 571                 }
 572                 if (isValidLength(yr, &anyLength)) {
 573                         doubleToWidget(rtY, anyLength.value());
 574                         string const unit = unit_name[anyLength.unit()];
 575                         rtYunit->setCurrentIndex(rtYunit->findData(toqstr(unit)));
 576                 } else {
 577                         rtY->setText(toqstr(xl));
 578                 }
 579                 bbChanged = true;
 580         }
 581
 582         // Update the draft and clip mode
 583         draftCB->setChecked(igp.draft);
 584         clip->setChecked(igp.clip);
 585         unzipCB->setChecked(igp.noUnzip);
 586         displayGB->setChecked(igp.display);
 587         displayscale->setText(toqstr(convert<string>(igp.lyxscale)));
 588
 589         // the output section (width/height)
 590
 591         doubleToWidget(Scale, igp.scale);
 592         //igp.scale defaults to 100, so we treat it as empty
 593         bool const scaleChecked = !igp.scale.empty() && igp.scale != "100";
 594         scaleCB->blockSignals(true);
 595         scaleCB->setChecked(scaleChecked);
 596         scaleCB->blockSignals(false);
 597         Scale->setEnabled(scaleChecked);
 598         displayGB->setEnabled(lyxrc.display_graphics);
 599
 600         set<string> grp;
 601         graphics::getGraphicsGroups(buffer(), grp);
 602         set<string>::const_iterator it = grp.begin();
 603         set<string>::const_iterator end = grp.end();
 604         groupCO->blockSignals(true);
 605         groupCO->clear();
 606         for (; it != end; ++it)
 607                 groupCO->addItem(toqstr(*it), toqstr(*it));
 608         groupCO->insertItem(0, qt_("None"), QString());
 609         if (igp.groupId.empty())
 610                 groupCO->setCurrentIndex(0);
 611         else
 612                 groupCO->setCurrentIndex(
 613                         groupCO->findData(toqstr(igp.groupId), Qt::MatchExactly));
 614         groupCO->blockSignals(false);
 615
 616         if (igp.width.value() == 0)
 617                 lengthToWidgets(Width, widthUnit, _(autostr), defaultUnit);
 618         else
 619                 lengthToWidgets(Width, widthUnit, igp.width, defaultUnit);
 620
 621         bool const widthChecked = !Width->text().isEmpty() &&
 622                 Width->text() != qt_(autostr);
 623         WidthCB->blockSignals(true);
 624         WidthCB->setChecked(widthChecked);
 625         WidthCB->blockSignals(false);
 626         Width->setEnabled(widthChecked);
 627         widthUnit->setEnabled(widthChecked);
 628
 629         if (igp.height.value() == 0)
 630                 lengthToWidgets(Height, heightUnit, _(autostr), defaultUnit);
 631         else
 632                 lengthToWidgets(Height, heightUnit, igp.height, defaultUnit);
 633
 634         bool const heightChecked = !Height->text().isEmpty()
 635                 && Height->text() != qt_(autostr);
 636         HeightCB->blockSignals(true);
 637         HeightCB->setChecked(heightChecked);
 638         HeightCB->blockSignals(false);
 639         Height->setEnabled(heightChecked);
 640         heightUnit->setEnabled(heightChecked);
 641
 642         scaleCB->setEnabled(!widthChecked && !heightChecked);
 643         WidthCB->setEnabled(!scaleChecked);
 644         HeightCB->setEnabled(!scaleChecked);
 645
 646         setAutoText();
 647         updateAspectRatioStatus();
 648
 649         doubleToWidget(angle, igp.rotateAngle);
 650         rotateOrderCB->setChecked(igp.scaleBeforeRotation);
 651
 652         rotateOrderCB->setEnabled( (widthChecked || heightChecked || scaleChecked)
 653                 && igp.rotateAngle != "0");
 654
 655         origin->clear();
 656
 657         for (size_t i = 0; i < rorigin_size; i++) {
 658                 origin->addItem(qt_(rorigin_gui_strs[i]),
 659                         toqstr(rorigin_lyx_strs[i]));
 660         }
 661
 662         if (!igp.rotateOrigin.empty())
 663                 origin->setCurrentIndex(origin->findData(toqstr(igp.rotateOrigin)));
 664         else
 665                 origin->setCurrentIndex(0);
 666
 667         // latex section
 668         latexoptions->setText(toqstr(igp.special));
 669         // cf bug #3852
 670         filename->setFocus();
 671 }
 672
 673
 674 void GuiGraphics::applyView()
 675 {
 676         InsetGraphicsParams & igp = params_;
 677
 678         igp.filename.set(fromqstr(filename->text()), fromqstr(bufferFilePath()));
 679
 680         // the bb section
 681         igp.bb.erase();
 682         if (bbChanged) {
 683                 string bb;
 684                 string lbXs = widgetToDoubleStr(lbX);
 685                 string lbYs = widgetToDoubleStr(lbY);
 686                 string rtXs = widgetToDoubleStr(rtX);
 687                 string rtYs = widgetToDoubleStr(rtY);
 688                 int bb_sum =
 689                         convert<int>(lbXs) + convert<int>(lbYs) +
 690                         convert<int>(rtXs) + convert<int>(rtXs);
 691                 if (bb_sum) {
 692                         if (lbXs.empty())
 693                                 bb = "0 ";
 694                         else
 695                                 bb = lbXs + fromqstr(lbXunit->currentText()) + ' ';
 696                         if (lbYs.empty())
 697                                 bb += "0 ";
 698                         else
 699                                 bb += (lbYs + fromqstr(lbYunit->currentText()) + ' ');
 700                         if (rtXs.empty())
 701                                 bb += "0 ";
 702                         else
 703                                 bb += (rtXs + fromqstr(rtXunit->currentText()) + ' ');
 704                         if (rtYs.empty())
 705                                 bb += '0';
 706                         else
 707                                 bb += (rtYs + fromqstr(rtYunit->currentText()));
 708                         igp.bb = bb;
 709                 }
 710         }
 711
 712         igp.draft = draftCB->isChecked();
 713         igp.clip = clip->isChecked();
 714         igp.display = displayGB->isChecked();
 715
 716         //the graphics section
 717         if (scaleCB->isChecked() && !Scale->text().isEmpty()) {
 718                 igp.scale = widgetToDoubleStr(Scale);
 719                 igp.width = Length("0pt");
 720                 igp.height = Length("0pt");
 721                 igp.keepAspectRatio = false;
 722         } else {
 723                 igp.scale = string();
 724                 igp.width = WidthCB->isChecked() ?
 725                         //Note that this works even if Width is "auto", since in
 726                         //that case we get "0pt".
 727                         Length(widgetsToLength(Width, widthUnit)):
 728                         Length("0pt");
 729                 igp.height = HeightCB->isChecked() ?
 730                         Length(widgetsToLength(Height, heightUnit)) :
 731                         Length("0pt");
 732                 igp.keepAspectRatio = aspectratio->isChecked();
 733         }
 734
 735         igp.noUnzip = unzipCB->isChecked();
 736         igp.lyxscale = displayscale->text().toInt();
 737         igp.rotateAngle = widgetToDoubleStr(angle);
 738
 739         double rotAngle = widgetToDouble(angle);
 740         if (abs(rotAngle) > 360.0) {
 741                 rotAngle -= 360.0 * floor(rotAngle / 360.0);
 742                 igp.rotateAngle = convert<string>(rotAngle);
 743         }
 744
 745         // save the latex name for the origin. If it is the default
 746         // then origin_ltx returns ""
 747         igp.rotateOrigin =
 748                 fromqstr(origin->itemData(origin->currentIndex()).toString());
 749         igp.scaleBeforeRotation = rotateOrderCB->isChecked();
 750
 751         // more latex options
 752         igp.special = fromqstr(latexoptions->text());
 753
 754         igp.groupId = fromqstr(groupCO->itemData(
 755                 groupCO->currentIndex()).toString());
 756         current_group_ = igp.groupId;
 757 }
 758
 759
 760 void GuiGraphics::getBB()
 761 {
 762         string const fn = fromqstr(filename->text());
 763         if (fn.empty())
 764                 return;
 765         string const bb = readBoundingBox(fn);
 766         bbChanged = false;
 767         if (bb.empty())
 768                 return;
 769         doubleToWidget(lbX, token(bb, ' ', 0));
 770         doubleToWidget(lbY, token(bb, ' ', 1));
 771         doubleToWidget(rtX, token(bb, ' ', 2));
 772         doubleToWidget(rtY, token(bb, ' ', 3));
 773         // the default units for the bb values when reading
 774         // it from the file
 775         lbXunit->setCurrentIndex(0);
 776         lbYunit->setCurrentIndex(0);
 777         rtXunit->setCurrentIndex(0);
 778         rtYunit->setCurrentIndex(0);
 779 }
 780
 781
 782 bool GuiGraphics::isValid()
 783 {
 784         return !filename->text().isEmpty();
 785 }
 786
 787
 788 bool GuiGraphics::initialiseParams(string const & data)
 789 {
 790         InsetGraphics::string2params(data, buffer(), params_);
 791         paramsToDialog(params_);
 792         current_group_ = params_.groupId;
 793         return true;
 794 }
 795
 796
 797 void GuiGraphics::clearParams()
 798 {
 799         params_ = InsetGraphicsParams();
 800 }
 801
 802
 803 void GuiGraphics::dispatchParams()
 804 {
 805         InsetGraphicsParams tmp_params(params_);
 806         string const lfun = InsetGraphics::params2string(tmp_params, buffer());
 807         dispatch(FuncRequest(getLfun(), lfun));
 808 }
 809
 810
 811 QString GuiGraphics::browse(QString const & in_name) const
 812 {
 813         QString const title = qt_("Select graphics file");
 814
 815         // Does user clipart directory exist?
 816         string clipdir = addName(package().user_support().absFileName(), "clipart");
 817         FileName clip(clipdir);
 818
 819         // bail out to system clipart directory
 820         if (!clip.isDirectory())
 821                 clipdir = addName(package().system_support().absFileName(), "clipart");
 822
 823         return browseRelToParent(in_name, bufferFilePath(),
 824                 title, fileFilters(QString()), false,
 825                 qt_("Clipart|#C#c"), toqstr(clipdir),
 826                 qt_("Documents|#o#O"), toqstr(lyxrc.document_path));
 827 }
 828
 829
 830 string GuiGraphics::readBoundingBox(string const & file)
 831 {
 832         FileName const abs_file = support::makeAbsPath(file, fromqstr(bufferFilePath()));
 833
 834         // try to get it from the file, if possible. Zipped files are
 835         // unzipped in the readBB_from_PSFile-Function
 836         string const bb = graphics::readBB_from_PSFile(abs_file);
 837         if (!bb.empty())
 838                 return bb;
 839
 840         // we don't, so ask the Graphics Cache if it has loaded the file
 841         int width = 0;
 842         int height = 0;
 843
 844         graphics::Cache & gc = graphics::Cache::get();
 845         if (gc.inCache(abs_file)) {
 846                 graphics::Image const * image = gc.item(abs_file)->image();
 847
 848                 if (image) {
 849                         width  = image->width();
 850                         height = image->height();
 851                 }
 852         }
 853
 854         return ("0 0 " + convert<string>(width) + ' ' + convert<string>(height));
 855 }
 856
 857
 858 bool GuiGraphics::isFileNameValid(string const & fname) const
 859 {
 860         // It may be that the filename is relative.
 861         return support::makeAbsPath(fname, fromqstr(bufferFilePath())).isReadableFile();
 862 }
 863
 864
 865 Dialog * createGuiGraphics(GuiView & lv) { return new GuiGraphics(lv); }
 866
 867
 868 } // namespace frontend
 869 } // namespace lyx
 870
 871 #include "moc_GuiGraphics.cpp"