src/frontends/qt/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 Kimberly 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 "LyXRC.h"
  26
  27 #include "graphics/epstools.h"
  28 #include "graphics/GraphicsCache.h"
  29 #include "graphics/GraphicsCacheItem.h"
  30 #include "graphics/GraphicsImage.h"
  31
  32 #include "insets/InsetGraphics.h"
  33
  34 #include "support/convert.h"
  35 #include "support/debug.h"
  36 #include "support/filetools.h"
  37 #include "support/gettext.h"
  38 #include "support/Length.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
  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")), bbChanged(false)
 114 {
 115         setupUi(this);
 116
 117         //main buttons
 118         connect(buttonBox, SIGNAL(clicked(QAbstractButton *)),
 119                         this, SLOT(slotButtonBox(QAbstractButton *)));
 120
 121         //graphics pane
 122         connect(filename, SIGNAL(textChanged(const QString &)),
 123                 this, SLOT(change_adaptor()));
 124         connect(WidthCB, SIGNAL(clicked()),
 125                 this, SLOT(change_adaptor()));
 126         connect(HeightCB, SIGNAL(clicked()),
 127                 this, SLOT(change_adaptor()));
 128         connect(Width, SIGNAL(textChanged(const QString &)),
 129                 this, SLOT(updateAspectRatioStatus()));
 130         connect(Width, SIGNAL(textChanged(const QString &)),
 131                 this, SLOT(change_adaptor()));
 132         connect(Height, SIGNAL(textChanged(const QString &)),
 133                 this, SLOT(updateAspectRatioStatus()));
 134         connect(Height, SIGNAL(textChanged(const QString &)),
 135                 this, SLOT(change_adaptor()));
 136         connect(heightUnit, SIGNAL(selectionChanged(lyx::Length::UNIT)),
 137                 this, SLOT(change_adaptor()));
 138         connect(widthUnit, SIGNAL(selectionChanged(lyx::Length::UNIT)),
 139                 this, SLOT(change_adaptor()));
 140         connect(aspectratio, SIGNAL(stateChanged(int)),
 141                 this, SLOT(change_adaptor()));
 142         connect(angle, SIGNAL(textChanged(const QString &)),
 143                 this, SLOT(change_adaptor()));
 144         connect(origin, SIGNAL(activated(int)),
 145                 this, SLOT(change_adaptor()));
 146         connect(scaleCB, SIGNAL(clicked()),
 147                 this, SLOT(change_adaptor()));
 148         connect(Scale, SIGNAL(textChanged(const QString &)),
 149                 this, SLOT(change_adaptor()));
 150         connect(rotateOrderCB, SIGNAL(clicked()),
 151                 this, SLOT(change_adaptor()));
 152
 153         filename->setValidator(new PathValidator(true, filename));
 154         setFocusProxy(filename);
 155
 156         QDoubleValidator * scaleValidator =
 157                 new DoubleAutoValidator(Scale, qt_(autostr));
 158         scaleValidator->setBottom(0);
 159         scaleValidator->setDecimals(256); //I guess that will do
 160         Scale->setValidator(scaleValidator);
 161         Height->setValidator(positiveLengthAutoValidator(Height, qt_(autostr)));
 162         Width->setValidator(positiveLengthAutoValidator(Width, qt_(autostr)));
 163         angle->setValidator(new QDoubleValidator(-360, 360, 2, angle));
 164
 165         //clipping pane
 166         connect(clip, SIGNAL(stateChanged(int)),
 167                 this, SLOT(change_adaptor()));
 168         connect(lbY, SIGNAL(textChanged(const QString &)),
 169                 this, SLOT(changeBB()));
 170         connect(lbYunit, SIGNAL(activated(int)),
 171                 this, SLOT(changeBB()));
 172         connect(rtY, SIGNAL(textChanged(const QString &)),
 173                 this, SLOT(changeBB()));
 174         connect(rtYunit, SIGNAL(activated(int)),
 175                 this, SLOT(changeBB()));
 176         connect(lbX, SIGNAL(textChanged(const QString &)),
 177                 this, SLOT(changeBB()));
 178         connect(lbXunit, SIGNAL(activated(int)),
 179                 this, SLOT(changeBB()));
 180         connect(rtX, SIGNAL(textChanged(const QString &)),
 181                 this, SLOT(changeBB()));
 182         connect(rtXunit, SIGNAL(activated(int)),
 183                 this, SLOT(changeBB()));
 184         connect(getPB, SIGNAL(clicked()),
 185                 this, SLOT(change_adaptor()));
 186
 187         lbX->setValidator(new QDoubleValidator(lbX));
 188         lbY->setValidator(new QDoubleValidator(lbY));
 189         rtX->setValidator(new QDoubleValidator(rtX));
 190         rtY->setValidator(new QDoubleValidator(rtY));
 191
 192         //extra options pane
 193         connect(latexoptions, SIGNAL(textChanged(const QString &)),
 194                 this, SLOT(change_adaptor()));
 195         connect(draftCB, SIGNAL(stateChanged(int)),
 196                 this, SLOT(change_adaptor()));
 197         connect(displayGB, SIGNAL(clicked(bool)), this, SLOT(change_adaptor()));
 198         connect(darkModeCB, SIGNAL(clicked(bool)), this, SLOT(change_adaptor()));
 199         connect(displayscale, SIGNAL(textChanged(const QString &)),
 200                 this, SLOT(change_adaptor()));
 201         connect(groupCO, SIGNAL(currentIndexChanged(int)),
 202                 this, SLOT(changeGroup(int)));
 203
 204         displayscale->setValidator(new QIntValidator(displayscale));
 205
 206         bc().setPolicy(ButtonPolicy::NoRepeatedApplyReadOnlyPolicy);
 207         bc().setOK(buttonBox->button(QDialogButtonBox::Ok));
 208         bc().setApply(buttonBox->button(QDialogButtonBox::Apply));
 209         bc().setCancel(buttonBox->button(QDialogButtonBox::Cancel));
 210         bc().setRestore(buttonBox->button(QDialogButtonBox::Reset));
 211
 212         bc().addReadOnly(latexoptions);
 213         bc().addReadOnly(filenameL);
 214         bc().addReadOnly(filename);
 215         bc().addReadOnly(browsePB);
 216         bc().addReadOnly(bbFrame);
 217         bc().addReadOnly(draftCB);
 218         bc().addReadOnly(clip);
 219         bc().addReadOnly(displayGB);
 220         bc().addReadOnly(darkModeCB);
 221         bc().addReadOnly(sizeGB);
 222         bc().addReadOnly(rotationGB);
 223         bc().addReadOnly(latexoptions);
 224         bc().addReadOnly(getPB);
 225         bc().addReadOnly(rotateOrderCB);
 226
 227         // initialize the length validator
 228         bc().addCheckedLineEdit(Scale, scaleCB);
 229         bc().addCheckedLineEdit(Width, WidthCB);
 230         bc().addCheckedLineEdit(Height, HeightCB);
 231         bc().addCheckedLineEdit(displayscale, scaleLA);
 232         bc().addCheckedLineEdit(angle, angleL);
 233         bc().addCheckedLineEdit(lbX, xL);
 234         bc().addCheckedLineEdit(lbY, yL);
 235         bc().addCheckedLineEdit(rtX, xL_2);
 236         bc().addCheckedLineEdit(rtY, yL_2);
 237         bc().addCheckedLineEdit(filename, filenameL);
 238 }
 239
 240
 241 void GuiGraphics::change_adaptor()
 242 {
 243         changed();
 244 }
 245
 246
 247 void GuiGraphics::changeGroup(int /* index */)
 248 {
 249         QString const new_group = groupCO->itemData(
 250                 groupCO->currentIndex()).toString();
 251
 252         // check if the old group consisted only of this member
 253         if (current_group_ != fromqstr(new_group)
 254             && graphics::countGroupMembers(buffer(), current_group_) == 1) {
 255                 if (!new_group.isEmpty()) {
 256                         if (Alert::prompt(_("Dissolve previous group?"),
 257                                 bformat(_("If you assign this graphic to group '%2$s',\n"
 258                                           "the previously assigned group '%1$s' will be dissolved,\n"
 259                                           "because this graphic was its only member.\n"
 260                                           "How do you want to proceed?"),
 261                                         from_utf8(current_group_), qstring_to_ucs4(new_group)),
 262                                         0, 0,
 263                                         bformat(_("Stick with group '%1$s'"),
 264                                                 from_utf8(current_group_)),
 265                                         bformat(_("Assign to group '%1$s' anyway"),
 266                                                 qstring_to_ucs4(new_group))) == 0) {
 267                                 groupCO->setCurrentIndex(
 268                                         groupCO->findData(toqstr(current_group_), Qt::MatchExactly));
 269                                 return;
 270                         }
 271                 } else {
 272                         if (Alert::prompt(_("Dissolve previous group?"),
 273                         bformat(_("If you sign off this graphic from group '%1$s',\n"
 274                                   "the group will be dissolved,\n"
 275                                   "because this graphic was its only member.\n"
 276                                   "How do you want to proceed?"),
 277                                 from_utf8(current_group_)),
 278                                 0, 0,
 279                                 bformat(_("Stick with group '%1$s'"),
 280                                 from_utf8(current_group_)),
 281                                 bformat(_("Sign off from group '%1$s'"),
 282                                 from_utf8(current_group_))) == 0) {
 283                         groupCO->setCurrentIndex(
 284                                 groupCO->findData(toqstr(current_group_), Qt::MatchExactly));
 285                         return;
 286                         }
 287                 }
 288         }
 289
 290         if (new_group.isEmpty()) {
 291                 changed();
 292                 return;
 293         }
 294
 295         string grp = graphics::getGroupParams(buffer(), fromqstr(new_group));
 296         if (grp.empty()) {
 297                 // group does not exist yet
 298                 changed();
 299                 return;
 300         }
 301
 302         // filename might have been changed
 303         QString current_filename = filename->text();
 304
 305         // group exists: load params into the dialog
 306         groupCO->blockSignals(true);
 307         InsetGraphics::string2params(grp, buffer(), params_);
 308         paramsToDialog(params_);
 309         groupCO->blockSignals(false);
 310
 311         // reset filename
 312         filename->setText(current_filename);
 313
 314         changed();
 315 }
 316
 317
 318 void GuiGraphics::on_newGroupPB_clicked()
 319 {
 320         docstring newgroup;
 321         if (!Alert::askForText(newgroup, _("Enter unique group name:")))
 322                 return;
 323         if (newgroup.empty())
 324                 return;
 325         if (groupCO->findData(toqstr(newgroup), Qt::MatchExactly) != -1) {
 326                 Alert::warning(_("Group already defined!"),
 327                         bformat(_("A graphics group with the name '%1$s' already exists."),
 328                                 newgroup));
 329                 return;
 330         }
 331         groupCO->addItem(toqstr(newgroup), toqstr(newgroup));
 332         groupCO->setCurrentIndex(
 333                 groupCO->findData(toqstr(newgroup), Qt::MatchExactly));
 334 }
 335
 336
 337 void GuiGraphics::changeBB()
 338 {
 339         bbChanged = true;
 340         LYXERR(Debug::GRAPHICS, "[bb_Changed set to true]");
 341         changed();
 342 }
 343
 344
 345 void GuiGraphics::on_browsePB_clicked()
 346 {
 347         QString const str = browse(filename->text());
 348         if (!str.isEmpty()) {
 349                 filename->setText(str);
 350                 changed();
 351         }
 352 }
 353
 354
 355 void GuiGraphics::on_getPB_clicked()
 356 {
 357         getBB();
 358 }
 359
 360
 361 void GuiGraphics::setAutoText()
 362 {
 363         if (scaleCB->isChecked())
 364                 return;
 365         if (!Scale->isEnabled() && Scale->text() != "100")
 366                 Scale->setText("100");
 367
 368         setAutoTextCB(WidthCB, Width, widthUnit);
 369         setAutoTextCB(HeightCB, Height, heightUnit);
 370 }
 371
 372
 373 void GuiGraphics::on_scaleCB_toggled(bool setScale)
 374 {
 375         Scale->setEnabled(setScale);
 376         if (setScale) {
 377                 Scale->setText("100");
 378                 Scale->setFocus(Qt::OtherFocusReason);
 379         }
 380
 381         WidthCB->setDisabled(setScale);
 382         WidthCB->blockSignals(true);
 383         WidthCB->setChecked(false);
 384         WidthCB->blockSignals(false);
 385         Width->setEnabled(false);
 386         widthUnit->setEnabled(false);
 387
 388         HeightCB->setDisabled(setScale);
 389         HeightCB->blockSignals(true);
 390         HeightCB->setChecked(false);
 391         HeightCB->blockSignals(false);
 392         Height->setEnabled(false);
 393         heightUnit->setEnabled(false);
 394
 395         rotateOrderCB->setEnabled((WidthCB->isChecked() ||
 396                                  HeightCB->isChecked() ||
 397                                  scaleCB->isChecked()) &&
 398                                  (angle->text() != "0"));
 399
 400         setAutoText();
 401         updateAspectRatioStatus();
 402 }
 403
 404
 405 void GuiGraphics::on_WidthCB_toggled(bool setWidth)
 406 {
 407         Width->setEnabled(setWidth);
 408         widthUnit->setEnabled(setWidth);
 409         if (setWidth)
 410                 Width->setFocus(Qt::OtherFocusReason);
 411
 412         bool const setHeight = HeightCB->isChecked();
 413         scaleCB->setEnabled(!setWidth && !setHeight);
 414         //already will be unchecked, so don't need to do that
 415         Scale->setEnabled((!setWidth && !setHeight) //=scaleCB->isEnabled()
 416                         && scaleCB->isChecked()); //should be false, but let's check
 417         rotateOrderCB->setEnabled((setWidth || setHeight ||
 418                                  scaleCB->isChecked()) &&
 419                                  (angle->text() != "0"));
 420
 421         setAutoText();
 422         updateAspectRatioStatus();
 423 }
 424
 425
 426 void GuiGraphics::on_HeightCB_toggled(bool setHeight)
 427 {
 428         Height->setEnabled(setHeight);
 429         heightUnit->setEnabled(setHeight);
 430         if (setHeight)
 431                 Height->setFocus(Qt::OtherFocusReason);
 432
 433         bool const setWidth = WidthCB->isChecked();
 434         scaleCB->setEnabled(!setWidth && !setHeight);
 435         //already unchecked
 436         Scale->setEnabled((!setWidth && !setHeight) //=scaleCB->isEnabled()
 437                 && scaleCB->isChecked()); //should be false
 438         rotateOrderCB->setEnabled((setWidth || setHeight ||
 439                                  scaleCB->isChecked()) &&
 440                                  (angle->text() != "0"));
 441
 442         setAutoText();
 443         updateAspectRatioStatus();
 444 }
 445
 446
 447 void GuiGraphics::updateAspectRatioStatus()
 448 {
 449         // keepaspectratio only makes sense if both a width _and_ a
 450         // height are given, since its function is (see graphics manual):
 451         // "If set to true then specifying both 'width' and 'height'
 452         // (or 'totalheight') does not distort the figure but scales
 453         // such that neither of the specified dimensions is _exceeded_."
 454         aspectratio->setEnabled(
 455                 WidthCB->isChecked() && !Width->text().isEmpty()
 456                 && Width->text() != qt_(autostr)
 457                 && HeightCB->isChecked() && !Height->text().isEmpty()
 458                 && Height->text() != qt_(autostr)
 459                 );
 460         if (!aspectratio->isEnabled())
 461                 aspectratio->setChecked(false);
 462 }
 463
 464
 465 void GuiGraphics::on_aspectratio_toggled(bool aspect_ratio)
 466 {
 467         if (aspect_ratio) {
 468                 WidthCB->setText(qt_("Set max. &width:"));
 469                 HeightCB->setText(qt_("Set max. &height:"));
 470                 Width->setToolTip(qt_("Maximal width of image in output"));
 471                 Height->setToolTip(qt_("Maximal height of image in output"));
 472         } else {
 473                 WidthCB->setText(qt_("Set &width:"));
 474                 HeightCB->setText(qt_("Set &height:"));
 475                 Width->setToolTip(qt_("Width of image in output"));
 476                 Height->setToolTip(qt_("Height of image in output"));
 477         }
 478 }
 479
 480
 481 void GuiGraphics::on_angle_textChanged(const QString & file_name)
 482 {
 483         rotateOrderCB->setEnabled((WidthCB->isChecked() ||
 484                                  HeightCB->isChecked() ||
 485                                  scaleCB->isChecked()) &&
 486                                  (file_name != "0"));
 487 }
 488
 489
 490 void GuiGraphics::paramsToDialog(InsetGraphicsParams const & params)
 491 {
 492         static char const * const bb_units[] = { "bp", "cm", "mm", "in" };
 493         static char const * const bb_units_gui[] = { N_("bp"), N_("cm"), N_("mm"), N_("in[[unit of measure]]") };
 494         size_t const bb_size = sizeof(bb_units) / sizeof(bb_units[0]);
 495
 496         lbXunit->clear();
 497         lbYunit->clear();
 498         rtXunit->clear();
 499         rtYunit->clear();
 500
 501         for (size_t i = 0; i < bb_size; i++) {
 502                 lbXunit->addItem(qt_(bb_units_gui[i]),
 503                         toqstr(bb_units[i]));
 504                 lbYunit->addItem(qt_(bb_units_gui[i]),
 505                         toqstr(bb_units[i]));
 506                 rtXunit->addItem(qt_(bb_units_gui[i]),
 507                         toqstr(bb_units[i]));
 508                 rtYunit->addItem(qt_(bb_units_gui[i]),
 509                         toqstr(bb_units[i]));
 510         }
 511
 512         // set the right default unit
 513         Length::UNIT const defaultUnit = Length::defaultUnit();
 514
 515         //lyxerr << bufferFilePath();
 516         string const name =
 517                 params.filename.outputFileName(fromqstr(bufferFilePath()));
 518         filename->setText(toqstr(name));
 519
 520         // set the bounding box values
 521         if (params.bbox.empty()) {
 522                 string const bb = readBoundingBox(params.filename.absFileName());
 523                 // the values from the file always have the bigpoint-unit bp
 524                 doubleToWidget(lbX, token(bb, ' ', 0));
 525                 doubleToWidget(lbY, token(bb, ' ', 1));
 526                 doubleToWidget(rtX, token(bb, ' ', 2));
 527                 doubleToWidget(rtY, token(bb, ' ', 3));
 528                 lbXunit->setCurrentIndex(0);
 529                 lbYunit->setCurrentIndex(0);
 530                 rtXunit->setCurrentIndex(0);
 531                 rtYunit->setCurrentIndex(0);
 532                 bbChanged = false;
 533         } else {
 534                 // get the values from the inset
 535                 doubleToWidget(lbX, params.bbox.xl.value());
 536                 string unit = unit_name[params.bbox.xl.unit()];
 537                 lbXunit->setCurrentIndex(lbXunit->findData(toqstr(unit)));
 538                 doubleToWidget(lbY, params.bbox.yb.value());
 539                 unit = unit_name[params.bbox.yb.unit()];
 540                 lbYunit->setCurrentIndex(lbYunit->findData(toqstr(unit)));
 541                 doubleToWidget(rtX, params.bbox.xr.value());
 542                 unit = unit_name[params.bbox.xr.unit()];
 543                 rtXunit->setCurrentIndex(rtXunit->findData(toqstr(unit)));
 544                 doubleToWidget(rtY, params.bbox.yt.value());
 545                 unit = unit_name[params.bbox.yt.unit()];
 546                 rtYunit->setCurrentIndex(rtYunit->findData(toqstr(unit)));
 547                 bbChanged = true;
 548         }
 549
 550         // Update the draft and clip mode
 551         draftCB->setChecked(params.draft);
 552         clip->setChecked(params.clip);
 553         darkModeCB->setChecked(params.darkModeSensitive);
 554         displayGB->setChecked(params.display);
 555         displayscale->setText(toqstr(convert<string>(params.lyxscale)));
 556
 557         // the output section (width/height)
 558
 559         doubleToWidget(Scale, params.scale);
 560         //igp.scale defaults to 100, so we treat it as empty
 561         bool const scaleChecked = !params.scale.empty() && params.scale != "100";
 562         scaleCB->blockSignals(true);
 563         scaleCB->setChecked(scaleChecked);
 564         scaleCB->blockSignals(false);
 565         Scale->setEnabled(scaleChecked);
 566         displayGB->setEnabled(lyxrc.display_graphics);
 567
 568         set<string> grp;
 569         graphics::getGraphicsGroups(buffer(), grp);
 570         set<string>::const_iterator it = grp.begin();
 571         set<string>::const_iterator end = grp.end();
 572         groupCO->blockSignals(true);
 573         groupCO->clear();
 574         for (; it != end; ++it)
 575                 groupCO->addItem(toqstr(*it), toqstr(*it));
 576         groupCO->insertItem(0, qt_("None"), QString());
 577         if (params.groupId.empty())
 578                 groupCO->setCurrentIndex(0);
 579         else
 580                 groupCO->setCurrentIndex(
 581                         groupCO->findData(toqstr(params.groupId), Qt::MatchExactly));
 582         groupCO->blockSignals(false);
 583
 584         if (params.width.value() == 0)
 585                 lengthToWidgets(Width, widthUnit, _(autostr), defaultUnit);
 586         else
 587                 lengthToWidgets(Width, widthUnit, params.width, defaultUnit);
 588
 589         bool const widthChecked = !Width->text().isEmpty() &&
 590                 Width->text() != qt_(autostr);
 591         WidthCB->blockSignals(true);
 592         WidthCB->setChecked(widthChecked);
 593         WidthCB->blockSignals(false);
 594         Width->setEnabled(widthChecked);
 595         widthUnit->setEnabled(widthChecked);
 596
 597         if (params.height.value() == 0)
 598                 lengthToWidgets(Height, heightUnit, _(autostr), defaultUnit);
 599         else
 600                 lengthToWidgets(Height, heightUnit, params.height, defaultUnit);
 601
 602         bool const heightChecked = !Height->text().isEmpty()
 603                 && Height->text() != qt_(autostr);
 604         HeightCB->blockSignals(true);
 605         HeightCB->setChecked(heightChecked);
 606         HeightCB->blockSignals(false);
 607         Height->setEnabled(heightChecked);
 608         heightUnit->setEnabled(heightChecked);
 609
 610         scaleCB->setEnabled(!widthChecked && !heightChecked);
 611         WidthCB->setEnabled(!scaleChecked);
 612         HeightCB->setEnabled(!scaleChecked);
 613
 614         setAutoText();
 615         updateAspectRatioStatus();
 616
 617         doubleToWidget(angle, params.rotateAngle);
 618         rotateOrderCB->setChecked(params.scaleBeforeRotation);
 619
 620         rotateOrderCB->setEnabled( (widthChecked || heightChecked || scaleChecked)
 621                 && params.rotateAngle != "0");
 622
 623         origin->clear();
 624
 625         for (size_t i = 0; i < rorigin_size; i++) {
 626                 origin->addItem(qt_(rorigin_gui_strs[i]),
 627                         toqstr(rorigin_lyx_strs[i]));
 628         }
 629
 630         if (!params.rotateOrigin.empty())
 631                 origin->setCurrentIndex(origin->findData(toqstr(params.rotateOrigin)));
 632         else
 633                 origin->setCurrentIndex(0);
 634
 635         // latex section
 636         latexoptions->setText(toqstr(params.special));
 637         // cf bug #3852
 638         filename->setFocus();
 639 }
 640
 641
 642 void GuiGraphics::applyView()
 643 {
 644         InsetGraphicsParams & igp = params_;
 645
 646         igp.filename.set(fromqstr(filename->text()), fromqstr(bufferFilePath()));
 647
 648         // the bb section
 649         igp.bbox = graphics::BoundingBox();
 650         if (bbChanged) {
 651                 string lbXs = widgetToDoubleStr(lbX);
 652                 string lbYs = widgetToDoubleStr(lbY);
 653                 string rtXs = widgetToDoubleStr(rtX);
 654                 string rtYs = widgetToDoubleStr(rtY);
 655                 int bb_sum =
 656                         convert<int>(lbXs) + convert<int>(lbYs) +
 657                         convert<int>(rtXs) + convert<int>(rtXs);
 658                 if (bb_sum) {
 659                         if (lbXs.empty())
 660                                 lbXs = "0";
 661                         igp.bbox.xl = Length(lbXs + fromqstr(lbXunit->currentText()));
 662                         if (lbYs.empty())
 663                                 lbYs = "0";
 664                         igp.bbox.yb = Length(lbYs + fromqstr(lbYunit->currentText()));
 665                         if (rtXs.empty())
 666                                 rtXs = "0";
 667                         igp.bbox.xr = Length(rtXs + fromqstr(rtXunit->currentText()));
 668                         if (rtYs.empty())
 669                                 rtYs = "0";
 670                         igp.bbox.yt = Length(rtYs + fromqstr(rtYunit->currentText()));
 671                 }
 672         }
 673
 674         igp.draft = draftCB->isChecked();
 675         igp.clip = clip->isChecked();
 676         igp.display = displayGB->isChecked();
 677         igp.darkModeSensitive = darkModeCB->isChecked();
 678
 679         //the graphics section
 680         if (scaleCB->isChecked() && !Scale->text().isEmpty()) {
 681                 igp.scale = widgetToDoubleStr(Scale);
 682                 igp.width = Length("0pt");
 683                 igp.height = Length("0pt");
 684                 igp.keepAspectRatio = false;
 685         } else {
 686                 igp.scale = string();
 687                 igp.width = WidthCB->isChecked() ?
 688                         //Note that this works even if Width is "auto", since in
 689                         //that case we get "0pt".
 690                         Length(widgetsToLength(Width, widthUnit)):
 691                         Length("0pt");
 692                 igp.height = HeightCB->isChecked() ?
 693                         Length(widgetsToLength(Height, heightUnit)) :
 694                         Length("0pt");
 695                 igp.keepAspectRatio = aspectratio->isChecked();
 696         }
 697
 698         igp.lyxscale = displayscale->text().toInt();
 699         igp.rotateAngle = widgetToDoubleStr(angle);
 700
 701         double rotAngle = widgetToDouble(angle);
 702         if (abs(rotAngle) > 360.0) {
 703                 rotAngle -= 360.0 * floor(rotAngle / 360.0);
 704                 igp.rotateAngle = convert<string>(rotAngle);
 705         }
 706
 707         // save the latex name for the origin. If it is the default
 708         // then origin_ltx returns ""
 709         igp.rotateOrigin =
 710                 fromqstr(origin->itemData(origin->currentIndex()).toString());
 711         igp.scaleBeforeRotation = rotateOrderCB->isChecked();
 712
 713         // more latex options
 714         igp.special = fromqstr(latexoptions->text());
 715
 716         igp.groupId = fromqstr(groupCO->itemData(
 717                 groupCO->currentIndex()).toString());
 718         current_group_ = igp.groupId;
 719 }
 720
 721
 722 void GuiGraphics::getBB()
 723 {
 724         string const fn = fromqstr(filename->text());
 725         if (fn.empty())
 726                 return;
 727         string const bb = readBoundingBox(fn);
 728         bbChanged = false;
 729         if (bb.empty())
 730                 return;
 731         doubleToWidget(lbX, token(bb, ' ', 0));
 732         doubleToWidget(lbY, token(bb, ' ', 1));
 733         doubleToWidget(rtX, token(bb, ' ', 2));
 734         doubleToWidget(rtY, token(bb, ' ', 3));
 735         // the default units for the bb values when reading
 736         // it from the file
 737         lbXunit->setCurrentIndex(0);
 738         lbYunit->setCurrentIndex(0);
 739         rtXunit->setCurrentIndex(0);
 740         rtYunit->setCurrentIndex(0);
 741 }
 742
 743
 744 bool GuiGraphics::isValid()
 745 {
 746         return !filename->text().isEmpty();
 747 }
 748
 749
 750 bool GuiGraphics::initialiseParams(string const & sdata)
 751 {
 752         InsetGraphics::string2params(sdata, buffer(), params_);
 753         paramsToDialog(params_);
 754         current_group_ = params_.groupId;
 755         return true;
 756 }
 757
 758
 759 void GuiGraphics::clearParams()
 760 {
 761         params_ = InsetGraphicsParams();
 762 }
 763
 764
 765 void GuiGraphics::dispatchParams()
 766 {
 767         InsetGraphicsParams tmp_params(params_);
 768         string const lfun = InsetGraphics::params2string(tmp_params, buffer());
 769         dispatch(FuncRequest(getLfun(), lfun));
 770         connectToNewInset();
 771 }
 772
 773
 774 QString GuiGraphics::browse(QString const & in_name) const
 775 {
 776         QString const title = qt_("Select graphics file");
 777
 778         // Does user clipart directory exist?
 779         string clipdir = addName(package().user_support().absFileName(), "clipart");
 780         FileName fclip(clipdir);
 781
 782         // bail out to system clipart directory
 783         if (!fclip.isDirectory())
 784                 clipdir = addName(package().system_support().absFileName(), "clipart");
 785
 786         return browseRelToParent(in_name, bufferFilePath(),
 787                 title, fileFilters(QString()), false,
 788                 qt_("&Clipart"), toqstr(clipdir),
 789                 qt_("D&ocuments"), toqstr(lyxrc.document_path));
 790 }
 791
 792
 793 string GuiGraphics::readBoundingBox(string const & file)
 794 {
 795         FileName const abs_file = support::makeAbsPath(file, fromqstr(bufferFilePath()));
 796
 797         // try to get it from the file, if possible. Zipped files are
 798         // unzipped in the readBB_from_PSFile-Function
 799         string const bb = graphics::readBB_from_PSFile(abs_file);
 800         if (!bb.empty())
 801                 return bb;
 802
 803         // we don't, so ask the Graphics Cache if it has loaded the file
 804         int width = 0;
 805         int height = 0;
 806
 807         graphics::Cache & gc = graphics::Cache::get();
 808         if (gc.inCache(abs_file)) {
 809                 graphics::Image const * image = gc.item(abs_file)->image();
 810
 811                 if (image) {
 812                         width  = image->width();
 813                         height = image->height();
 814                 }
 815         }
 816
 817         return ("0 0 " + convert<string>(width) + ' ' + convert<string>(height));
 818 }
 819
 820
 821 bool GuiGraphics::isFileNameValid(string const & fname) const
 822 {
 823         // It may be that the filename is relative.
 824         return support::makeAbsPath(fname, fromqstr(bufferFilePath())).isReadableFile();
 825 }
 826
 827
 828 } // namespace frontend
 829 } // namespace lyx
 830
 831 #include "moc_GuiGraphics.cpp"