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 = isChangedBB();
 340         LYXERR(Debug::GRAPHICS, "[bb_Changed set to " << bbChanged << "]");
 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                 // read in the bb values of the new file
 351                 // if there was no explicit custom viewport
 352                 if (!bbChanged)
 353                         getBB();
 354                 changed();
 355         }
 356 }
 357
 358
 359 void GuiGraphics::on_getPB_clicked()
 360 {
 361         getBB();
 362         bbChanged = false;
 363 }
 364
 365
 366 void GuiGraphics::setAutoText()
 367 {
 368         if (scaleCB->isChecked())
 369                 return;
 370         if (!Scale->isEnabled() && Scale->text() != "100")
 371                 Scale->setText("100");
 372
 373         setAutoTextCB(WidthCB, Width, widthUnit);
 374         setAutoTextCB(HeightCB, Height, heightUnit);
 375 }
 376
 377
 378 void GuiGraphics::on_scaleCB_toggled(bool setScale)
 379 {
 380         Scale->setEnabled(setScale);
 381         if (setScale) {
 382                 Scale->setText("100");
 383                 Scale->setFocus(Qt::OtherFocusReason);
 384         }
 385
 386         WidthCB->setDisabled(setScale);
 387         WidthCB->blockSignals(true);
 388         WidthCB->setChecked(false);
 389         WidthCB->blockSignals(false);
 390         Width->setEnabled(false);
 391         widthUnit->setEnabled(false);
 392
 393         HeightCB->setDisabled(setScale);
 394         HeightCB->blockSignals(true);
 395         HeightCB->setChecked(false);
 396         HeightCB->blockSignals(false);
 397         Height->setEnabled(false);
 398         heightUnit->setEnabled(false);
 399
 400         rotateOrderCB->setEnabled((WidthCB->isChecked() ||
 401                                  HeightCB->isChecked() ||
 402                                  scaleCB->isChecked()) &&
 403                                  (angle->text() != "0"));
 404
 405         setAutoText();
 406         updateAspectRatioStatus();
 407 }
 408
 409
 410 void GuiGraphics::on_WidthCB_toggled(bool setWidth)
 411 {
 412         Width->setEnabled(setWidth);
 413         widthUnit->setEnabled(setWidth);
 414         if (setWidth)
 415                 Width->setFocus(Qt::OtherFocusReason);
 416
 417         bool const setHeight = HeightCB->isChecked();
 418         scaleCB->setEnabled(!setWidth && !setHeight);
 419         //already will be unchecked, so don't need to do that
 420         Scale->setEnabled((!setWidth && !setHeight) //=scaleCB->isEnabled()
 421                         && scaleCB->isChecked()); //should be false, but let's check
 422         rotateOrderCB->setEnabled((setWidth || setHeight ||
 423                                  scaleCB->isChecked()) &&
 424                                  (angle->text() != "0"));
 425
 426         setAutoText();
 427         updateAspectRatioStatus();
 428 }
 429
 430
 431 void GuiGraphics::on_HeightCB_toggled(bool setHeight)
 432 {
 433         Height->setEnabled(setHeight);
 434         heightUnit->setEnabled(setHeight);
 435         if (setHeight)
 436                 Height->setFocus(Qt::OtherFocusReason);
 437
 438         bool const setWidth = WidthCB->isChecked();
 439         scaleCB->setEnabled(!setWidth && !setHeight);
 440         //already unchecked
 441         Scale->setEnabled((!setWidth && !setHeight) //=scaleCB->isEnabled()
 442                 && scaleCB->isChecked()); //should be false
 443         rotateOrderCB->setEnabled((setWidth || setHeight ||
 444                                  scaleCB->isChecked()) &&
 445                                  (angle->text() != "0"));
 446
 447         setAutoText();
 448         updateAspectRatioStatus();
 449 }
 450
 451
 452 void GuiGraphics::updateAspectRatioStatus()
 453 {
 454         // keepaspectratio only makes sense if both a width _and_ a
 455         // height are given, since its function is (see graphics manual):
 456         // "If set to true then specifying both 'width' and 'height'
 457         // (or 'totalheight') does not distort the figure but scales
 458         // such that neither of the specified dimensions is _exceeded_."
 459         aspectratio->setEnabled(
 460                 WidthCB->isChecked() && !Width->text().isEmpty()
 461                 && Width->text() != qt_(autostr)
 462                 && HeightCB->isChecked() && !Height->text().isEmpty()
 463                 && Height->text() != qt_(autostr)
 464                 );
 465         if (!aspectratio->isEnabled())
 466                 aspectratio->setChecked(false);
 467 }
 468
 469
 470 void GuiGraphics::on_aspectratio_toggled(bool aspect_ratio)
 471 {
 472         if (aspect_ratio) {
 473                 WidthCB->setText(qt_("Set max. &width:"));
 474                 HeightCB->setText(qt_("Set max. &height:"));
 475                 Width->setToolTip(qt_("Maximal width of image in output"));
 476                 Height->setToolTip(qt_("Maximal height of image in output"));
 477         } else {
 478                 WidthCB->setText(qt_("Set &width:"));
 479                 HeightCB->setText(qt_("Set &height:"));
 480                 Width->setToolTip(qt_("Width of image in output"));
 481                 Height->setToolTip(qt_("Height of image in output"));
 482         }
 483 }
 484
 485
 486 void GuiGraphics::on_angle_textChanged(const QString & file_name)
 487 {
 488         rotateOrderCB->setEnabled((WidthCB->isChecked() ||
 489                                  HeightCB->isChecked() ||
 490                                  scaleCB->isChecked()) &&
 491                                  (file_name != "0"));
 492 }
 493
 494
 495 void GuiGraphics::paramsToDialog(InsetGraphicsParams const & params)
 496 {
 497         static char const * const bb_units[] = { "bp", "cm", "mm", "in" };
 498         static char const * const bb_units_gui[] = { N_("bp"), N_("cm"), N_("mm"), N_("in[[unit of measure]]") };
 499         size_t const bb_size = sizeof(bb_units) / sizeof(bb_units[0]);
 500
 501         lbXunit->clear();
 502         lbYunit->clear();
 503         rtXunit->clear();
 504         rtYunit->clear();
 505
 506         for (size_t i = 0; i < bb_size; i++) {
 507                 lbXunit->addItem(qt_(bb_units_gui[i]),
 508                         toqstr(bb_units[i]));
 509                 lbYunit->addItem(qt_(bb_units_gui[i]),
 510                         toqstr(bb_units[i]));
 511                 rtXunit->addItem(qt_(bb_units_gui[i]),
 512                         toqstr(bb_units[i]));
 513                 rtYunit->addItem(qt_(bb_units_gui[i]),
 514                         toqstr(bb_units[i]));
 515         }
 516
 517         // set the right default unit
 518         Length::UNIT const defaultUnit = Length::defaultUnit();
 519
 520         //lyxerr << bufferFilePath();
 521         string const name =
 522                 params.filename.outputFileName(fromqstr(bufferFilePath()));
 523         filename->setText(toqstr(name));
 524
 525         // set the bounding box values
 526         if (params.bbox.empty()) {
 527                 string const bb = readBoundingBox(params.filename.absFileName());
 528                 // the values from the file always have the bigpoint-unit bp
 529                 doubleToWidget(lbX, token(bb, ' ', 0));
 530                 doubleToWidget(lbY, token(bb, ' ', 1));
 531                 doubleToWidget(rtX, token(bb, ' ', 2));
 532                 doubleToWidget(rtY, token(bb, ' ', 3));
 533                 lbXunit->setCurrentIndex(0);
 534                 lbYunit->setCurrentIndex(0);
 535                 rtXunit->setCurrentIndex(0);
 536                 rtYunit->setCurrentIndex(0);
 537                 bbChanged = false;
 538         } else {
 539                 // get the values from the inset
 540                 doubleToWidget(lbX, params.bbox.xl.value());
 541                 string unit = unit_name[params.bbox.xl.unit()];
 542                 lbXunit->setCurrentIndex(lbXunit->findData(toqstr(unit)));
 543                 doubleToWidget(lbY, params.bbox.yb.value());
 544                 unit = unit_name[params.bbox.yb.unit()];
 545                 lbYunit->setCurrentIndex(lbYunit->findData(toqstr(unit)));
 546                 doubleToWidget(rtX, params.bbox.xr.value());
 547                 unit = unit_name[params.bbox.xr.unit()];
 548                 rtXunit->setCurrentIndex(rtXunit->findData(toqstr(unit)));
 549                 doubleToWidget(rtY, params.bbox.yt.value());
 550                 unit = unit_name[params.bbox.yt.unit()];
 551                 rtYunit->setCurrentIndex(rtYunit->findData(toqstr(unit)));
 552                 bbChanged = true;
 553         }
 554
 555         // Update the draft and clip mode
 556         draftCB->setChecked(params.draft);
 557         clip->setChecked(params.clip);
 558         darkModeCB->setChecked(params.darkModeSensitive);
 559         displayGB->setChecked(params.display);
 560         displayscale->setText(toqstr(convert<string>(params.lyxscale)));
 561
 562         // the output section (width/height)
 563
 564         doubleToWidget(Scale, params.scale);
 565         //igp.scale defaults to 100, so we treat it as empty
 566         bool const scaleChecked = !params.scale.empty() && params.scale != "100";
 567         scaleCB->blockSignals(true);
 568         scaleCB->setChecked(scaleChecked);
 569         scaleCB->blockSignals(false);
 570         Scale->setEnabled(scaleChecked);
 571         displayGB->setEnabled(lyxrc.display_graphics);
 572
 573         set<string> grp;
 574         graphics::getGraphicsGroups(buffer(), grp);
 575         set<string>::const_iterator it = grp.begin();
 576         set<string>::const_iterator end = grp.end();
 577         groupCO->blockSignals(true);
 578         groupCO->clear();
 579         for (; it != end; ++it)
 580                 groupCO->addItem(toqstr(*it), toqstr(*it));
 581         groupCO->insertItem(0, qt_("None"), QString());
 582         if (params.groupId.empty())
 583                 groupCO->setCurrentIndex(0);
 584         else
 585                 groupCO->setCurrentIndex(
 586                         groupCO->findData(toqstr(params.groupId), Qt::MatchExactly));
 587         groupCO->blockSignals(false);
 588
 589         if (params.width.value() == 0)
 590                 lengthToWidgets(Width, widthUnit, _(autostr), defaultUnit);
 591         else
 592                 lengthToWidgets(Width, widthUnit, params.width, defaultUnit);
 593
 594         bool const widthChecked = !Width->text().isEmpty() &&
 595                 Width->text() != qt_(autostr);
 596         WidthCB->blockSignals(true);
 597         WidthCB->setChecked(widthChecked);
 598         WidthCB->blockSignals(false);
 599         Width->setEnabled(widthChecked);
 600         widthUnit->setEnabled(widthChecked);
 601
 602         if (params.height.value() == 0)
 603                 lengthToWidgets(Height, heightUnit, _(autostr), defaultUnit);
 604         else
 605                 lengthToWidgets(Height, heightUnit, params.height, defaultUnit);
 606
 607         bool const heightChecked = !Height->text().isEmpty()
 608                 && Height->text() != qt_(autostr);
 609         HeightCB->blockSignals(true);
 610         HeightCB->setChecked(heightChecked);
 611         HeightCB->blockSignals(false);
 612         Height->setEnabled(heightChecked);
 613         heightUnit->setEnabled(heightChecked);
 614
 615         scaleCB->setEnabled(!widthChecked && !heightChecked);
 616         WidthCB->setEnabled(!scaleChecked);
 617         HeightCB->setEnabled(!scaleChecked);
 618
 619         setAutoText();
 620         updateAspectRatioStatus();
 621
 622         doubleToWidget(angle, params.rotateAngle);
 623         rotateOrderCB->setChecked(params.scaleBeforeRotation);
 624
 625         rotateOrderCB->setEnabled( (widthChecked || heightChecked || scaleChecked)
 626                 && params.rotateAngle != "0");
 627
 628         origin->clear();
 629
 630         for (size_t i = 0; i < rorigin_size; i++) {
 631                 origin->addItem(qt_(rorigin_gui_strs[i]),
 632                         toqstr(rorigin_lyx_strs[i]));
 633         }
 634
 635         if (!params.rotateOrigin.empty())
 636                 origin->setCurrentIndex(origin->findData(toqstr(params.rotateOrigin)));
 637         else
 638                 origin->setCurrentIndex(0);
 639
 640         // latex section
 641         latexoptions->setText(toqstr(params.special));
 642         // cf bug #3852
 643         filename->setFocus();
 644 }
 645
 646
 647 void GuiGraphics::applyView()
 648 {
 649         InsetGraphicsParams & igp = params_;
 650
 651         igp.filename.set(fromqstr(filename->text()), fromqstr(bufferFilePath()));
 652
 653         // the bb section
 654         igp.bbox = graphics::BoundingBox();
 655         if (bbChanged) {
 656                 string lbXs = widgetToDoubleStr(lbX);
 657                 string lbYs = widgetToDoubleStr(lbY);
 658                 string rtXs = widgetToDoubleStr(rtX);
 659                 string rtYs = widgetToDoubleStr(rtY);
 660                 int bb_sum =
 661                         convert<int>(lbXs) + convert<int>(lbYs) +
 662                         convert<int>(rtXs) + convert<int>(rtXs);
 663                 if (bb_sum) {
 664                         if (lbXs.empty())
 665                                 lbXs = "0";
 666                         igp.bbox.xl = Length(lbXs + fromqstr(lbXunit->currentText()));
 667                         if (lbYs.empty())
 668                                 lbYs = "0";
 669                         igp.bbox.yb = Length(lbYs + fromqstr(lbYunit->currentText()));
 670                         if (rtXs.empty())
 671                                 rtXs = "0";
 672                         igp.bbox.xr = Length(rtXs + fromqstr(rtXunit->currentText()));
 673                         if (rtYs.empty())
 674                                 rtYs = "0";
 675                         igp.bbox.yt = Length(rtYs + fromqstr(rtYunit->currentText()));
 676                 }
 677         }
 678
 679         igp.draft = draftCB->isChecked();
 680         igp.clip = clip->isChecked();
 681         igp.display = displayGB->isChecked();
 682         igp.darkModeSensitive = darkModeCB->isChecked();
 683
 684         //the graphics section
 685         if (scaleCB->isChecked() && !Scale->text().isEmpty()) {
 686                 igp.scale = widgetToDoubleStr(Scale);
 687                 igp.width = Length("0pt");
 688                 igp.height = Length("0pt");
 689                 igp.keepAspectRatio = false;
 690         } else {
 691                 igp.scale = string();
 692                 igp.width = WidthCB->isChecked() ?
 693                         //Note that this works even if Width is "auto", since in
 694                         //that case we get "0pt".
 695                         Length(widgetsToLength(Width, widthUnit)):
 696                         Length("0pt");
 697                 igp.height = HeightCB->isChecked() ?
 698                         Length(widgetsToLength(Height, heightUnit)) :
 699                         Length("0pt");
 700                 igp.keepAspectRatio = aspectratio->isChecked();
 701         }
 702
 703         igp.lyxscale = displayscale->text().toInt();
 704         igp.rotateAngle = widgetToDoubleStr(angle);
 705
 706         double rotAngle = widgetToDouble(angle);
 707         if (abs(rotAngle) > 360.0) {
 708                 rotAngle -= 360.0 * floor(rotAngle / 360.0);
 709                 igp.rotateAngle = convert<string>(rotAngle);
 710         }
 711
 712         // save the latex name for the origin. If it is the default
 713         // then origin_ltx returns ""
 714         igp.rotateOrigin =
 715                 fromqstr(origin->itemData(origin->currentIndex()).toString());
 716         igp.scaleBeforeRotation = rotateOrderCB->isChecked();
 717
 718         // more latex options
 719         igp.special = fromqstr(latexoptions->text());
 720
 721         igp.groupId = fromqstr(groupCO->itemData(
 722                 groupCO->currentIndex()).toString());
 723         current_group_ = igp.groupId;
 724 }
 725
 726
 727 void GuiGraphics::getBB()
 728 {
 729         string const fn = fromqstr(filename->text());
 730         if (fn.empty())
 731                 return;
 732         string const bb = readBoundingBox(fn);
 733         bbChanged = false;
 734         if (bb.empty())
 735                 return;
 736         doubleToWidget(lbX, token(bb, ' ', 0));
 737         doubleToWidget(lbY, token(bb, ' ', 1));
 738         doubleToWidget(rtX, token(bb, ' ', 2));
 739         doubleToWidget(rtY, token(bb, ' ', 3));
 740         // the default units for the bb values when reading
 741         // it from the file
 742         lbXunit->setCurrentIndex(0);
 743         lbYunit->setCurrentIndex(0);
 744         rtXunit->setCurrentIndex(0);
 745         rtYunit->setCurrentIndex(0);
 746 }
 747
 748
 749 bool GuiGraphics::isChangedBB()
 750 {
 751         string const fn = fromqstr(filename->text());
 752         if (fn.empty())
 753                 return false;
 754
 755         string const bb = readBoundingBox(fn);
 756         if (bb.empty())
 757                 return false;
 758
 759         // Compare orig bb values with the set ones
 760         if (Length(token(bb, ' ', 0) + "bp") !=
 761                 Length(widgetToDoubleStr(lbX) + fromqstr(lbXunit->currentText())))
 762                 return true;
 763
 764         if (Length(token(bb, ' ', 1) + "bp") !=
 765                 Length(widgetToDoubleStr(lbY) + fromqstr(lbYunit->currentText())))
 766                 return true;
 767
 768         if (Length(token(bb, ' ', 2) + "bp") !=
 769                 Length(widgetToDoubleStr(rtX) + fromqstr(rtXunit->currentText())))
 770                 return true;
 771
 772         if (Length(token(bb, ' ', 3) + "bp") !=
 773                 Length(widgetToDoubleStr(rtY) + fromqstr(rtYunit->currentText())))
 774                 return true;
 775
 776         return false;
 777 }
 778
 779
 780 bool GuiGraphics::isValid()
 781 {
 782         return !filename->text().isEmpty();
 783 }
 784
 785
 786 bool GuiGraphics::initialiseParams(string const & sdata)
 787 {
 788         InsetGraphics::string2params(sdata, buffer(), params_);
 789         paramsToDialog(params_);
 790         current_group_ = params_.groupId;
 791         return true;
 792 }
 793
 794
 795 void GuiGraphics::clearParams()
 796 {
 797         params_ = InsetGraphicsParams();
 798 }
 799
 800
 801 void GuiGraphics::dispatchParams()
 802 {
 803         InsetGraphicsParams tmp_params(params_);
 804         string const lfun = InsetGraphics::params2string(tmp_params, buffer());
 805         dispatch(FuncRequest(getLfun(), lfun));
 806         connectToNewInset();
 807 }
 808
 809
 810 QString GuiGraphics::browse(QString const & in_name) const
 811 {
 812         QString const title = qt_("Select graphics file");
 813
 814         // Does user clipart directory exist?
 815         string clipdir = addName(package().user_support().absFileName(), "clipart");
 816         FileName fclip(clipdir);
 817
 818         // bail out to system clipart directory
 819         if (!fclip.isDirectory())
 820                 clipdir = addName(package().system_support().absFileName(), "clipart");
 821
 822         return browseRelToParent(in_name, bufferFilePath(),
 823                 title, fileFilters(QString()), false,
 824                 qt_("&Clipart"), toqstr(clipdir),
 825                 qt_("D&ocuments"), toqstr(lyxrc.document_path));
 826 }
 827
 828
 829 string GuiGraphics::readBoundingBox(string const & file)
 830 {
 831         FileName const abs_file = support::makeAbsPath(file, fromqstr(bufferFilePath()));
 832
 833         // With (E)PS files, try to get it from the file, if possible.
 834         // Zipped files are unzipped in the readBB_from_PSFile-Function
 835         string const bb = graphics::readBB_from_PSFile(abs_file);
 836         if (!bb.empty())
 837                 return bb;
 838
 839         // With other formats, we try to read the file dimensions
 840         int width = 0;
 841         int height = 0;
 842
 843         // First ask the Graphics Cache if it has loaded the file
 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         } else {
 853                 // If not, construct a QImage and get the values from that
 854                 QImage image(toqstr(abs_file.absoluteFilePath()));
 855                 if (!image.isNull()) {
 856                         width  = image.width();
 857                         height = image.height();
 858                 }
 859         }
 860
 861         return ("0 0 " + convert<string>(width) + ' ' + convert<string>(height));
 862 }
 863
 864
 865 bool GuiGraphics::isFileNameValid(string const & fname) const
 866 {
 867         // It may be that the filename is relative.
 868         return support::makeAbsPath(fname, fromqstr(bufferFilePath())).isReadableFile();
 869 }
 870
 871
 872 } // namespace frontend
 873 } // namespace lyx
 874
 875 #include "moc_GuiGraphics.cpp"