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(1, 1000, 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         getPB->setEnabled(bbChanged);
 341         LYXERR(Debug::GRAPHICS, "[bb_Changed set to " << bbChanged << "]");
 342         changed();
 343 }
 344
 345
 346 void GuiGraphics::on_browsePB_clicked()
 347 {
 348         QString const str = browse(filename->text());
 349         if (!str.isEmpty()) {
 350                 filename->setText(str);
 351                 // read in the bb values of the new file
 352                 // if there was no explicit custom viewport
 353                 if (!bbChanged)
 354                         getBB();
 355                 changed();
 356         }
 357 }
 358
 359
 360 void GuiGraphics::on_getPB_clicked()
 361 {
 362         getBB();
 363         bbChanged = false;
 364 }
 365
 366
 367 void GuiGraphics::setAutoText()
 368 {
 369         if (scaleCB->isChecked())
 370                 return;
 371         if (!Scale->isEnabled() && Scale->text() != "100")
 372                 Scale->setText("100");
 373
 374         setAutoTextCB(WidthCB, Width, widthUnit);
 375         setAutoTextCB(HeightCB, Height, heightUnit);
 376 }
 377
 378
 379 void GuiGraphics::on_scaleCB_toggled(bool setScale)
 380 {
 381         Scale->setEnabled(setScale);
 382         if (setScale) {
 383                 Scale->setText("100");
 384                 Scale->setFocus(Qt::OtherFocusReason);
 385         }
 386
 387         WidthCB->setDisabled(setScale);
 388         WidthCB->blockSignals(true);
 389         WidthCB->setChecked(false);
 390         WidthCB->blockSignals(false);
 391         Width->setEnabled(false);
 392         widthUnit->setEnabled(false);
 393
 394         HeightCB->setDisabled(setScale);
 395         HeightCB->blockSignals(true);
 396         HeightCB->setChecked(false);
 397         HeightCB->blockSignals(false);
 398         Height->setEnabled(false);
 399         heightUnit->setEnabled(false);
 400
 401         rotateOrderCB->setEnabled((WidthCB->isChecked() ||
 402                                  HeightCB->isChecked() ||
 403                                  scaleCB->isChecked()) &&
 404                                  (angle->text() != "0"));
 405
 406         setAutoText();
 407         updateAspectRatioStatus();
 408 }
 409
 410
 411 void GuiGraphics::on_WidthCB_toggled(bool setWidth)
 412 {
 413         Width->setEnabled(setWidth);
 414         widthUnit->setEnabled(setWidth);
 415         if (setWidth)
 416                 Width->setFocus(Qt::OtherFocusReason);
 417
 418         bool const setHeight = HeightCB->isChecked();
 419         scaleCB->setEnabled(!setWidth && !setHeight);
 420         //already will be unchecked, so don't need to do that
 421         Scale->setEnabled((!setWidth && !setHeight) //=scaleCB->isEnabled()
 422                         && scaleCB->isChecked()); //should be false, but let's check
 423         rotateOrderCB->setEnabled((setWidth || setHeight ||
 424                                  scaleCB->isChecked()) &&
 425                                  (angle->text() != "0"));
 426
 427         setAutoText();
 428         updateAspectRatioStatus();
 429 }
 430
 431
 432 void GuiGraphics::on_HeightCB_toggled(bool setHeight)
 433 {
 434         Height->setEnabled(setHeight);
 435         heightUnit->setEnabled(setHeight);
 436         if (setHeight)
 437                 Height->setFocus(Qt::OtherFocusReason);
 438
 439         bool const setWidth = WidthCB->isChecked();
 440         scaleCB->setEnabled(!setWidth && !setHeight);
 441         //already unchecked
 442         Scale->setEnabled((!setWidth && !setHeight) //=scaleCB->isEnabled()
 443                 && scaleCB->isChecked()); //should be false
 444         rotateOrderCB->setEnabled((setWidth || setHeight ||
 445                                  scaleCB->isChecked()) &&
 446                                  (angle->text() != "0"));
 447
 448         setAutoText();
 449         updateAspectRatioStatus();
 450 }
 451
 452
 453 void GuiGraphics::updateAspectRatioStatus()
 454 {
 455         // keepaspectratio only makes sense if both a width _and_ a
 456         // height are given, since its function is (see graphics manual):
 457         // "If set to true then specifying both 'width' and 'height'
 458         // (or 'totalheight') does not distort the figure but scales
 459         // such that neither of the specified dimensions is _exceeded_."
 460         aspectratio->setEnabled(
 461                 WidthCB->isChecked() && !Width->text().isEmpty()
 462                 && Width->text() != qt_(autostr)
 463                 && HeightCB->isChecked() && !Height->text().isEmpty()
 464                 && Height->text() != qt_(autostr)
 465                 );
 466         if (!aspectratio->isEnabled())
 467                 aspectratio->setChecked(false);
 468 }
 469
 470
 471 void GuiGraphics::on_aspectratio_toggled(bool aspect_ratio)
 472 {
 473         if (aspect_ratio) {
 474                 WidthCB->setText(qt_("Set max. &width:"));
 475                 HeightCB->setText(qt_("Set max. &height:"));
 476                 Width->setToolTip(qt_("Maximal width of image in output"));
 477                 Height->setToolTip(qt_("Maximal height of image in output"));
 478         } else {
 479                 WidthCB->setText(qt_("Set &width:"));
 480                 HeightCB->setText(qt_("Set &height:"));
 481                 Width->setToolTip(qt_("Width of image in output"));
 482                 Height->setToolTip(qt_("Height of image in output"));
 483         }
 484 }
 485
 486
 487 void GuiGraphics::on_angle_textChanged(const QString & file_name)
 488 {
 489         rotateOrderCB->setEnabled((WidthCB->isChecked() ||
 490                                  HeightCB->isChecked() ||
 491                                  scaleCB->isChecked()) &&
 492                                  (file_name != "0"));
 493 }
 494
 495
 496 void GuiGraphics::paramsToDialog(InsetGraphicsParams const & params)
 497 {
 498         static char const * const bb_units[] = { "bp", "cm", "mm", "in" };
 499         static char const * const bb_units_gui[] = { N_("bp"), N_("cm"), N_("mm"), N_("in[[unit of measure]]") };
 500         size_t const bb_size = sizeof(bb_units) / sizeof(bb_units[0]);
 501
 502         lbXunit->clear();
 503         lbYunit->clear();
 504         rtXunit->clear();
 505         rtYunit->clear();
 506
 507         for (size_t i = 0; i < bb_size; i++) {
 508                 lbXunit->addItem(qt_(bb_units_gui[i]),
 509                         toqstr(bb_units[i]));
 510                 lbYunit->addItem(qt_(bb_units_gui[i]),
 511                         toqstr(bb_units[i]));
 512                 rtXunit->addItem(qt_(bb_units_gui[i]),
 513                         toqstr(bb_units[i]));
 514                 rtYunit->addItem(qt_(bb_units_gui[i]),
 515                         toqstr(bb_units[i]));
 516         }
 517
 518         // set the right default unit
 519         Length::UNIT const defaultUnit = Length::defaultUnit();
 520
 521         //lyxerr << bufferFilePath();
 522         string const name =
 523                 params.filename.outputFileName(fromqstr(bufferFilePath()));
 524         filename->setText(toqstr(name));
 525
 526         // set the bounding box values
 527         if (params.bbox.empty()) {
 528                 string const bb = readBoundingBox(params.filename.absFileName());
 529                 // the values from the file always have the bigpoint-unit bp
 530                 doubleToWidget(lbX, token(bb, ' ', 0));
 531                 doubleToWidget(lbY, token(bb, ' ', 1));
 532                 doubleToWidget(rtX, token(bb, ' ', 2));
 533                 doubleToWidget(rtY, token(bb, ' ', 3));
 534                 lbXunit->setCurrentIndex(0);
 535                 lbYunit->setCurrentIndex(0);
 536                 rtXunit->setCurrentIndex(0);
 537                 rtYunit->setCurrentIndex(0);
 538                 bbChanged = false;
 539         } else {
 540                 // get the values from the inset
 541                 doubleToWidget(lbX, params.bbox.xl.value());
 542                 string unit = unit_name[params.bbox.xl.unit()];
 543                 lbXunit->setCurrentIndex(lbXunit->findData(toqstr(unit)));
 544                 doubleToWidget(lbY, params.bbox.yb.value());
 545                 unit = unit_name[params.bbox.yb.unit()];
 546                 lbYunit->setCurrentIndex(lbYunit->findData(toqstr(unit)));
 547                 doubleToWidget(rtX, params.bbox.xr.value());
 548                 unit = unit_name[params.bbox.xr.unit()];
 549                 rtXunit->setCurrentIndex(rtXunit->findData(toqstr(unit)));
 550                 doubleToWidget(rtY, params.bbox.yt.value());
 551                 unit = unit_name[params.bbox.yt.unit()];
 552                 rtYunit->setCurrentIndex(rtYunit->findData(toqstr(unit)));
 553                 bbChanged = true;
 554         }
 555
 556         // Update the draft and clip mode
 557         draftCB->setChecked(params.draft);
 558         clip->setChecked(params.clip);
 559         darkModeCB->setChecked(params.darkModeSensitive);
 560         displayGB->setChecked(params.display);
 561         displayscale->setText(toqstr(convert<string>(params.lyxscale)));
 562
 563         // the output section (width/height)
 564
 565         doubleToWidget(Scale, params.scale);
 566         //igp.scale defaults to 100, so we treat it as empty
 567         bool const scaleChecked = !params.scale.empty() && params.scale != "100";
 568         scaleCB->blockSignals(true);
 569         scaleCB->setChecked(scaleChecked);
 570         scaleCB->blockSignals(false);
 571         Scale->setEnabled(scaleChecked);
 572         displayGB->setEnabled(lyxrc.display_graphics);
 573
 574         set<string> grp;
 575         graphics::getGraphicsGroups(buffer(), grp);
 576         set<string>::const_iterator it = grp.begin();
 577         set<string>::const_iterator end = grp.end();
 578         groupCO->blockSignals(true);
 579         groupCO->clear();
 580         for (; it != end; ++it)
 581                 groupCO->addItem(toqstr(*it), toqstr(*it));
 582         groupCO->insertItem(0, qt_("None"), QString());
 583         if (params.groupId.empty())
 584                 groupCO->setCurrentIndex(0);
 585         else
 586                 groupCO->setCurrentIndex(
 587                         groupCO->findData(toqstr(params.groupId), Qt::MatchExactly));
 588         groupCO->blockSignals(false);
 589
 590         if (params.width.value() == 0)
 591                 lengthToWidgets(Width, widthUnit, _(autostr), defaultUnit);
 592         else
 593                 lengthToWidgets(Width, widthUnit, params.width, defaultUnit);
 594
 595         bool const widthChecked = !Width->text().isEmpty() &&
 596                 Width->text() != qt_(autostr);
 597         WidthCB->blockSignals(true);
 598         WidthCB->setChecked(widthChecked);
 599         WidthCB->blockSignals(false);
 600         Width->setEnabled(widthChecked);
 601         widthUnit->setEnabled(widthChecked);
 602
 603         if (params.height.value() == 0)
 604                 lengthToWidgets(Height, heightUnit, _(autostr), defaultUnit);
 605         else
 606                 lengthToWidgets(Height, heightUnit, params.height, defaultUnit);
 607
 608         bool const heightChecked = !Height->text().isEmpty()
 609                 && Height->text() != qt_(autostr);
 610         HeightCB->blockSignals(true);
 611         HeightCB->setChecked(heightChecked);
 612         HeightCB->blockSignals(false);
 613         Height->setEnabled(heightChecked);
 614         heightUnit->setEnabled(heightChecked);
 615
 616         scaleCB->setEnabled(!widthChecked && !heightChecked);
 617         WidthCB->setEnabled(!scaleChecked);
 618         HeightCB->setEnabled(!scaleChecked);
 619
 620         setAutoText();
 621         updateAspectRatioStatus();
 622
 623         doubleToWidget(angle, params.rotateAngle);
 624         rotateOrderCB->setChecked(params.scaleBeforeRotation);
 625
 626         rotateOrderCB->setEnabled( (widthChecked || heightChecked || scaleChecked)
 627                 && params.rotateAngle != "0");
 628
 629         origin->clear();
 630
 631         for (size_t i = 0; i < rorigin_size; i++) {
 632                 origin->addItem(qt_(rorigin_gui_strs[i]),
 633                         toqstr(rorigin_lyx_strs[i]));
 634         }
 635
 636         if (!params.rotateOrigin.empty())
 637                 origin->setCurrentIndex(origin->findData(toqstr(params.rotateOrigin)));
 638         else
 639                 origin->setCurrentIndex(0);
 640
 641         // latex section
 642         latexoptions->setText(toqstr(params.special));
 643         // cf bug #3852
 644         filename->setFocus();
 645 }
 646
 647
 648 void GuiGraphics::applyView()
 649 {
 650         InsetGraphicsParams & igp = params_;
 651
 652         igp.filename.set(fromqstr(filename->text()), fromqstr(bufferFilePath()));
 653
 654         // the bb section
 655         igp.bbox = graphics::BoundingBox();
 656         if (bbChanged) {
 657                 string lbXs = widgetToDoubleStr(lbX);
 658                 string lbYs = widgetToDoubleStr(lbY);
 659                 string rtXs = widgetToDoubleStr(rtX);
 660                 string rtYs = widgetToDoubleStr(rtY);
 661                 int bb_sum =
 662                         convert<int>(lbXs) + convert<int>(lbYs) +
 663                         convert<int>(rtXs) + convert<int>(rtXs);
 664                 if (bb_sum) {
 665                         if (lbXs.empty())
 666                                 lbXs = "0";
 667                         igp.bbox.xl = Length(lbXs + fromqstr(lbXunit->currentText()));
 668                         if (lbYs.empty())
 669                                 lbYs = "0";
 670                         igp.bbox.yb = Length(lbYs + fromqstr(lbYunit->currentText()));
 671                         if (rtXs.empty())
 672                                 rtXs = "0";
 673                         igp.bbox.xr = Length(rtXs + fromqstr(rtXunit->currentText()));
 674                         if (rtYs.empty())
 675                                 rtYs = "0";
 676                         igp.bbox.yt = Length(rtYs + fromqstr(rtYunit->currentText()));
 677                 }
 678         }
 679
 680         igp.draft = draftCB->isChecked();
 681         igp.clip = clip->isChecked();
 682         igp.display = displayGB->isChecked();
 683         igp.darkModeSensitive = darkModeCB->isChecked();
 684
 685         //the graphics section
 686         if (scaleCB->isChecked() && !Scale->text().isEmpty()) {
 687                 igp.scale = widgetToDoubleStr(Scale);
 688                 igp.width = Length("0pt");
 689                 igp.height = Length("0pt");
 690                 igp.keepAspectRatio = false;
 691         } else {
 692                 igp.scale = string();
 693                 igp.width = WidthCB->isChecked() ?
 694                         //Note that this works even if Width is "auto", since in
 695                         //that case we get "0pt".
 696                         Length(widgetsToLength(Width, widthUnit)):
 697                         Length("0pt");
 698                 igp.height = HeightCB->isChecked() ?
 699                         Length(widgetsToLength(Height, heightUnit)) :
 700                         Length("0pt");
 701                 igp.keepAspectRatio = aspectratio->isChecked();
 702         }
 703
 704         igp.lyxscale = displayscale->text().toInt();
 705         igp.rotateAngle = widgetToDoubleStr(angle);
 706
 707         double rotAngle = widgetToDouble(angle);
 708         if (abs(rotAngle) > 360.0) {
 709                 rotAngle -= 360.0 * floor(rotAngle / 360.0);
 710                 igp.rotateAngle = convert<string>(rotAngle);
 711         }
 712
 713         // save the latex name for the origin. If it is the default
 714         // then origin_ltx returns ""
 715         igp.rotateOrigin =
 716                 fromqstr(origin->itemData(origin->currentIndex()).toString());
 717         igp.scaleBeforeRotation = rotateOrderCB->isChecked();
 718
 719         // more latex options
 720         igp.special = fromqstr(latexoptions->text());
 721
 722         igp.groupId = fromqstr(groupCO->itemData(
 723                 groupCO->currentIndex()).toString());
 724         current_group_ = igp.groupId;
 725 }
 726
 727
 728 void GuiGraphics::getBB()
 729 {
 730         string const fn = fromqstr(filename->text());
 731         if (fn.empty())
 732                 return;
 733         string const bb = readBoundingBox(fn);
 734         bbChanged = false;
 735         if (bb.empty())
 736                 return;
 737         doubleToWidget(lbX, token(bb, ' ', 0));
 738         doubleToWidget(lbY, token(bb, ' ', 1));
 739         doubleToWidget(rtX, token(bb, ' ', 2));
 740         doubleToWidget(rtY, token(bb, ' ', 3));
 741         // the default units for the bb values when reading
 742         // it from the file
 743         lbXunit->setCurrentIndex(0);
 744         lbYunit->setCurrentIndex(0);
 745         rtXunit->setCurrentIndex(0);
 746         rtYunit->setCurrentIndex(0);
 747 }
 748
 749
 750 bool GuiGraphics::isChangedBB()
 751 {
 752         string const fn = fromqstr(filename->text());
 753         if (fn.empty())
 754                 return false;
 755
 756         string const bb = readBoundingBox(fn);
 757         if (bb.empty())
 758                 return false;
 759
 760         // Compare orig bb values with the set ones
 761         if (Length(token(bb, ' ', 0) + "bp") !=
 762                 Length(widgetToDoubleStr(lbX) + fromqstr(lbXunit->currentText())))
 763                 return true;
 764
 765         if (Length(token(bb, ' ', 1) + "bp") !=
 766                 Length(widgetToDoubleStr(lbY) + fromqstr(lbYunit->currentText())))
 767                 return true;
 768
 769         if (Length(token(bb, ' ', 2) + "bp") !=
 770                 Length(widgetToDoubleStr(rtX) + fromqstr(rtXunit->currentText())))
 771                 return true;
 772
 773         if (Length(token(bb, ' ', 3) + "bp") !=
 774                 Length(widgetToDoubleStr(rtY) + fromqstr(rtYunit->currentText())))
 775                 return true;
 776
 777         return false;
 778 }
 779
 780
 781 bool GuiGraphics::isValid()
 782 {
 783         return !filename->text().isEmpty();
 784 }
 785
 786
 787 bool GuiGraphics::initialiseParams(string const & sdata)
 788 {
 789         InsetGraphics::string2params(sdata, buffer(), params_);
 790         paramsToDialog(params_);
 791         current_group_ = params_.groupId;
 792         return true;
 793 }
 794
 795
 796 void GuiGraphics::clearParams()
 797 {
 798         params_ = InsetGraphicsParams();
 799 }
 800
 801
 802 void GuiGraphics::dispatchParams()
 803 {
 804         InsetGraphicsParams tmp_params(params_);
 805         string const lfun = InsetGraphics::params2string(tmp_params, buffer());
 806         dispatch(FuncRequest(getLfun(), lfun));
 807         connectToNewInset();
 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 fclip(clipdir);
 818
 819         // bail out to system clipart directory
 820         if (!fclip.isDirectory())
 821                 clipdir = addName(package().system_support().absFileName(), "clipart");
 822
 823         return browseRelToParent(in_name, bufferFilePath(),
 824                 title, fileFilters(QString()), false,
 825                 qt_("&Clipart"), toqstr(clipdir),
 826                 qt_("D&ocuments"), 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         // With (E)PS files, try to get it from the file, if possible.
 835         // Zipped files are 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         // With other formats, we try to read the file dimensions
 841         int width = 0;
 842         int height = 0;
 843
 844         // First ask the Graphics Cache if it has loaded the file
 845         graphics::Cache & gc = graphics::Cache::get();
 846         if (gc.inCache(abs_file)) {
 847                 graphics::Image const * image = gc.item(abs_file)->image();
 848
 849                 if (image) {
 850                         width  = image->width();
 851                         height = image->height();
 852                 }
 853         } else {
 854                 // If not, construct a QImage and get the values from that
 855                 QImage image(toqstr(abs_file.absoluteFilePath()));
 856                 if (!image.isNull()) {
 857                         width  = image.width();
 858                         height = image.height();
 859                 }
 860         }
 861
 862         return ("0 0 " + convert<string>(width) + ' ' + convert<string>(height));
 863 }
 864
 865
 866 bool GuiGraphics::isFileNameValid(string const & fname) const
 867 {
 868         // It may be that the filename is relative.
 869         return support::makeAbsPath(fname, fromqstr(bufferFilePath())).isReadableFile();
 870 }
 871
 872
 873 } // namespace frontend
 874 } // namespace lyx
 875
 876 #include "moc_GuiGraphics.cpp"