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         // Add validated widgets to those that will be
 228         // visually marked if invalid
 229         bc().addCheckedLineEdit(Scale, scaleCB);
 230         bc().addCheckedLineEdit(Width, WidthCB);
 231         bc().addCheckedLineEdit(Height, HeightCB);
 232         bc().addCheckedLineEdit(angle, angleL);
 233         bc().addCheckedLineEdit(filename, filenameL);
 234         bc().addCheckedLineEdit(displayscale, scaleLA);
 235         bc().addCheckedLineEdit(lbX, xL);
 236         bc().addCheckedLineEdit(lbY, yL);
 237         bc().addCheckedLineEdit(rtX, xL_2);
 238         bc().addCheckedLineEdit(rtY, yL_2);
 239
 240         // We also mark the tabs the widgets are in
 241         int tabindex = tabWidget->indexOf(Graphics);
 242         bc().addCheckedLineEdit(Scale, tabWidget, tabindex);
 243         bc().addCheckedLineEdit(Width, tabWidget, tabindex);
 244         bc().addCheckedLineEdit(Height, tabWidget, tabindex);
 245         bc().addCheckedLineEdit(angle, tabWidget, tabindex);
 246         bc().addCheckedLineEdit(filename, tabWidget, tabindex);
 247         bc().addCheckedLineEdit(displayscale, tabWidget, tabWidget->indexOf(ExtraOptions));
 248         tabindex = tabWidget->indexOf(Clipping);
 249         bc().addCheckedLineEdit(lbX, tabWidget, tabindex);
 250         bc().addCheckedLineEdit(lbY, tabWidget, tabindex);
 251         bc().addCheckedLineEdit(rtX, tabWidget, tabindex);
 252         bc().addCheckedLineEdit(rtY, tabWidget, tabindex);
 253 }
 254
 255
 256 void GuiGraphics::change_adaptor()
 257 {
 258         changed();
 259 }
 260
 261
 262 void GuiGraphics::changeGroup(int /* index */)
 263 {
 264         QString const new_group = groupCO->itemData(
 265                 groupCO->currentIndex()).toString();
 266
 267         // check if the old group consisted only of this member
 268         if (current_group_ != fromqstr(new_group)
 269             && graphics::countGroupMembers(buffer(), current_group_) == 1) {
 270                 if (!new_group.isEmpty()) {
 271                         if (Alert::prompt(_("Dissolve previous group?"),
 272                                 bformat(_("If you assign this graphic to group '%2$s',\n"
 273                                           "the previously assigned group '%1$s' will be dissolved,\n"
 274                                           "because this graphic was its only member.\n"
 275                                           "How do you want to proceed?"),
 276                                         from_utf8(current_group_), qstring_to_ucs4(new_group)),
 277                                         0, 0,
 278                                         bformat(_("Stick with group '%1$s'"),
 279                                                 from_utf8(current_group_)),
 280                                         bformat(_("Assign to group '%1$s' anyway"),
 281                                                 qstring_to_ucs4(new_group))) == 0) {
 282                                 groupCO->setCurrentIndex(
 283                                         groupCO->findData(toqstr(current_group_), Qt::MatchExactly));
 284                                 return;
 285                         }
 286                 } else {
 287                         if (Alert::prompt(_("Dissolve previous group?"),
 288                         bformat(_("If you sign off this graphic from group '%1$s',\n"
 289                                   "the group will be dissolved,\n"
 290                                   "because this graphic was its only member.\n"
 291                                   "How do you want to proceed?"),
 292                                 from_utf8(current_group_)),
 293                                 0, 0,
 294                                 bformat(_("Stick with group '%1$s'"),
 295                                 from_utf8(current_group_)),
 296                                 bformat(_("Sign off from group '%1$s'"),
 297                                 from_utf8(current_group_))) == 0) {
 298                         groupCO->setCurrentIndex(
 299                                 groupCO->findData(toqstr(current_group_), Qt::MatchExactly));
 300                         return;
 301                         }
 302                 }
 303         }
 304
 305         if (new_group.isEmpty()) {
 306                 changed();
 307                 return;
 308         }
 309
 310         string grp = graphics::getGroupParams(buffer(), fromqstr(new_group));
 311         if (grp.empty()) {
 312                 // group does not exist yet
 313                 changed();
 314                 return;
 315         }
 316
 317         // filename might have been changed
 318         QString current_filename = filename->text();
 319
 320         // group exists: load params into the dialog
 321         groupCO->blockSignals(true);
 322         InsetGraphics::string2params(grp, buffer(), params_);
 323         paramsToDialog(params_);
 324         groupCO->blockSignals(false);
 325
 326         // reset filename
 327         filename->setText(current_filename);
 328
 329         changed();
 330 }
 331
 332
 333 void GuiGraphics::on_newGroupPB_clicked()
 334 {
 335         docstring newgroup;
 336         if (!Alert::askForText(newgroup, _("Enter unique group name:")))
 337                 return;
 338         if (newgroup.empty())
 339                 return;
 340         if (groupCO->findData(toqstr(newgroup), Qt::MatchExactly) != -1) {
 341                 Alert::warning(_("Group already defined!"),
 342                         bformat(_("A graphics group with the name '%1$s' already exists."),
 343                                 newgroup));
 344                 return;
 345         }
 346         groupCO->addItem(toqstr(newgroup), toqstr(newgroup));
 347         groupCO->setCurrentIndex(
 348                 groupCO->findData(toqstr(newgroup), Qt::MatchExactly));
 349 }
 350
 351
 352 void GuiGraphics::changeBB()
 353 {
 354         bbChanged = isChangedBB();
 355         getPB->setEnabled(bbChanged);
 356         LYXERR(Debug::GRAPHICS, "[bb_Changed set to " << bbChanged << "]");
 357         changed();
 358 }
 359
 360
 361 void GuiGraphics::on_browsePB_clicked()
 362 {
 363         QString const str = browse(filename->text());
 364         if (!str.isEmpty()) {
 365                 filename->setText(str);
 366                 // read in the bb values of the new file
 367                 // if there was no explicit custom viewport
 368                 if (!bbChanged)
 369                         getBB();
 370                 changed();
 371         }
 372 }
 373
 374
 375 void GuiGraphics::on_getPB_clicked()
 376 {
 377         getBB();
 378         bbChanged = false;
 379 }
 380
 381
 382 void GuiGraphics::setAutoText()
 383 {
 384         if (scaleCB->isChecked())
 385                 return;
 386         if (!Scale->isEnabled() && Scale->text() != "100")
 387                 Scale->setText("100");
 388
 389         setAutoTextCB(WidthCB, Width, widthUnit);
 390         setAutoTextCB(HeightCB, Height, heightUnit);
 391 }
 392
 393
 394 void GuiGraphics::on_scaleCB_toggled(bool setScale)
 395 {
 396         Scale->setEnabled(setScale);
 397         if (setScale) {
 398                 Scale->setText("100");
 399                 Scale->setFocus(Qt::OtherFocusReason);
 400         }
 401
 402         WidthCB->setDisabled(setScale);
 403         WidthCB->blockSignals(true);
 404         WidthCB->setChecked(false);
 405         WidthCB->blockSignals(false);
 406         Width->setEnabled(false);
 407         widthUnit->setEnabled(false);
 408
 409         HeightCB->setDisabled(setScale);
 410         HeightCB->blockSignals(true);
 411         HeightCB->setChecked(false);
 412         HeightCB->blockSignals(false);
 413         Height->setEnabled(false);
 414         heightUnit->setEnabled(false);
 415
 416         rotateOrderCB->setEnabled((WidthCB->isChecked() ||
 417                                  HeightCB->isChecked() ||
 418                                  scaleCB->isChecked()) &&
 419                                  (angle->text() != "0"));
 420
 421         setAutoText();
 422         updateAspectRatioStatus();
 423 }
 424
 425
 426 void GuiGraphics::on_WidthCB_toggled(bool setWidth)
 427 {
 428         Width->setEnabled(setWidth);
 429         widthUnit->setEnabled(setWidth);
 430         if (setWidth)
 431                 Width->setFocus(Qt::OtherFocusReason);
 432
 433         bool const setHeight = HeightCB->isChecked();
 434         scaleCB->setEnabled(!setWidth && !setHeight);
 435         //already will be unchecked, so don't need to do that
 436         Scale->setEnabled((!setWidth && !setHeight) //=scaleCB->isEnabled()
 437                         && scaleCB->isChecked()); //should be false, but let's check
 438         rotateOrderCB->setEnabled((setWidth || setHeight ||
 439                                  scaleCB->isChecked()) &&
 440                                  (angle->text() != "0"));
 441
 442         setAutoText();
 443         updateAspectRatioStatus();
 444 }
 445
 446
 447 void GuiGraphics::on_HeightCB_toggled(bool setHeight)
 448 {
 449         Height->setEnabled(setHeight);
 450         heightUnit->setEnabled(setHeight);
 451         if (setHeight)
 452                 Height->setFocus(Qt::OtherFocusReason);
 453
 454         bool const setWidth = WidthCB->isChecked();
 455         scaleCB->setEnabled(!setWidth && !setHeight);
 456         //already unchecked
 457         Scale->setEnabled((!setWidth && !setHeight) //=scaleCB->isEnabled()
 458                 && scaleCB->isChecked()); //should be false
 459         rotateOrderCB->setEnabled((setWidth || setHeight ||
 460                                  scaleCB->isChecked()) &&
 461                                  (angle->text() != "0"));
 462
 463         setAutoText();
 464         updateAspectRatioStatus();
 465 }
 466
 467
 468 void GuiGraphics::updateAspectRatioStatus()
 469 {
 470         // keepaspectratio only makes sense if both a width _and_ a
 471         // height are given, since its function is (see graphics manual):
 472         // "If set to true then specifying both 'width' and 'height'
 473         // (or 'totalheight') does not distort the figure but scales
 474         // such that neither of the specified dimensions is _exceeded_."
 475         aspectratio->setEnabled(
 476                 WidthCB->isChecked() && !Width->text().isEmpty()
 477                 && Width->text() != qt_(autostr)
 478                 && HeightCB->isChecked() && !Height->text().isEmpty()
 479                 && Height->text() != qt_(autostr)
 480                 );
 481         if (!aspectratio->isEnabled())
 482                 aspectratio->setChecked(false);
 483 }
 484
 485
 486 void GuiGraphics::on_aspectratio_toggled(bool aspect_ratio)
 487 {
 488         if (aspect_ratio) {
 489                 WidthCB->setText(qt_("Set max. &width:"));
 490                 HeightCB->setText(qt_("Set max. &height:"));
 491                 Width->setToolTip(qt_("Maximal width of image in output"));
 492                 Height->setToolTip(qt_("Maximal height of image in output"));
 493         } else {
 494                 WidthCB->setText(qt_("Set &width:"));
 495                 HeightCB->setText(qt_("Set &height:"));
 496                 Width->setToolTip(qt_("Width of image in output"));
 497                 Height->setToolTip(qt_("Height of image in output"));
 498         }
 499 }
 500
 501
 502 void GuiGraphics::on_angle_textChanged(const QString & file_name)
 503 {
 504         rotateOrderCB->setEnabled((WidthCB->isChecked() ||
 505                                  HeightCB->isChecked() ||
 506                                  scaleCB->isChecked()) &&
 507                                  (file_name != "0"));
 508 }
 509
 510
 511 void GuiGraphics::paramsToDialog(InsetGraphicsParams const & params)
 512 {
 513         static char const * const bb_units[] = { "bp", "cm", "mm", "in" };
 514         static char const * const bb_units_gui[] = { N_("bp"), N_("cm"), N_("mm"), N_("in[[unit of measure]]") };
 515         size_t const bb_size = sizeof(bb_units) / sizeof(bb_units[0]);
 516
 517         lbXunit->clear();
 518         lbYunit->clear();
 519         rtXunit->clear();
 520         rtYunit->clear();
 521
 522         for (size_t i = 0; i < bb_size; i++) {
 523                 lbXunit->addItem(qt_(bb_units_gui[i]),
 524                         toqstr(bb_units[i]));
 525                 lbYunit->addItem(qt_(bb_units_gui[i]),
 526                         toqstr(bb_units[i]));
 527                 rtXunit->addItem(qt_(bb_units_gui[i]),
 528                         toqstr(bb_units[i]));
 529                 rtYunit->addItem(qt_(bb_units_gui[i]),
 530                         toqstr(bb_units[i]));
 531         }
 532
 533         // set the right default unit
 534         Length::UNIT const defaultUnit = Length::defaultUnit();
 535
 536         //lyxerr << bufferFilePath();
 537         string const name =
 538                 params.filename.outputFileName(fromqstr(bufferFilePath()));
 539         filename->setText(toqstr(name));
 540
 541         // set the bounding box values
 542         if (params.bbox.empty()) {
 543                 string const bb = readBoundingBox(params.filename.absFileName());
 544                 // the values from the file always have the bigpoint-unit bp
 545                 doubleToWidget(lbX, token(bb, ' ', 0));
 546                 doubleToWidget(lbY, token(bb, ' ', 1));
 547                 doubleToWidget(rtX, token(bb, ' ', 2));
 548                 doubleToWidget(rtY, token(bb, ' ', 3));
 549                 lbXunit->setCurrentIndex(0);
 550                 lbYunit->setCurrentIndex(0);
 551                 rtXunit->setCurrentIndex(0);
 552                 rtYunit->setCurrentIndex(0);
 553                 bbChanged = false;
 554         } else {
 555                 // get the values from the inset
 556                 doubleToWidget(lbX, params.bbox.xl.value());
 557                 string unit = unit_name[params.bbox.xl.unit()];
 558                 lbXunit->setCurrentIndex(lbXunit->findData(toqstr(unit)));
 559                 doubleToWidget(lbY, params.bbox.yb.value());
 560                 unit = unit_name[params.bbox.yb.unit()];
 561                 lbYunit->setCurrentIndex(lbYunit->findData(toqstr(unit)));
 562                 doubleToWidget(rtX, params.bbox.xr.value());
 563                 unit = unit_name[params.bbox.xr.unit()];
 564                 rtXunit->setCurrentIndex(rtXunit->findData(toqstr(unit)));
 565                 doubleToWidget(rtY, params.bbox.yt.value());
 566                 unit = unit_name[params.bbox.yt.unit()];
 567                 rtYunit->setCurrentIndex(rtYunit->findData(toqstr(unit)));
 568                 bbChanged = true;
 569         }
 570
 571         // Update the draft and clip mode
 572         draftCB->setChecked(params.draft);
 573         clip->setChecked(params.clip);
 574         darkModeCB->setChecked(params.darkModeSensitive);
 575         displayGB->setChecked(params.display);
 576         displayscale->setText(toqstr(convert<string>(params.lyxscale)));
 577
 578         // the output section (width/height)
 579
 580         doubleToWidget(Scale, params.scale);
 581         //igp.scale defaults to 100, so we treat it as empty
 582         bool const scaleChecked = !params.scale.empty() && params.scale != "100";
 583         scaleCB->blockSignals(true);
 584         scaleCB->setChecked(scaleChecked);
 585         scaleCB->blockSignals(false);
 586         Scale->setEnabled(scaleChecked);
 587         displayGB->setEnabled(lyxrc.display_graphics);
 588
 589         set<string> grp;
 590         graphics::getGraphicsGroups(buffer(), grp);
 591         set<string>::const_iterator it = grp.begin();
 592         set<string>::const_iterator end = grp.end();
 593         groupCO->blockSignals(true);
 594         groupCO->clear();
 595         for (; it != end; ++it)
 596                 groupCO->addItem(toqstr(*it), toqstr(*it));
 597         groupCO->insertItem(0, qt_("None"), QString());
 598         if (params.groupId.empty())
 599                 groupCO->setCurrentIndex(0);
 600         else
 601                 groupCO->setCurrentIndex(
 602                         groupCO->findData(toqstr(params.groupId), Qt::MatchExactly));
 603         groupCO->blockSignals(false);
 604
 605         if (params.width.value() == 0)
 606                 lengthToWidgets(Width, widthUnit, _(autostr), defaultUnit);
 607         else
 608                 lengthToWidgets(Width, widthUnit, params.width, defaultUnit);
 609
 610         bool const widthChecked = !Width->text().isEmpty() &&
 611                 Width->text() != qt_(autostr);
 612         WidthCB->blockSignals(true);
 613         WidthCB->setChecked(widthChecked);
 614         WidthCB->blockSignals(false);
 615         Width->setEnabled(widthChecked);
 616         widthUnit->setEnabled(widthChecked);
 617
 618         if (params.height.value() == 0)
 619                 lengthToWidgets(Height, heightUnit, _(autostr), defaultUnit);
 620         else
 621                 lengthToWidgets(Height, heightUnit, params.height, defaultUnit);
 622
 623         bool const heightChecked = !Height->text().isEmpty()
 624                 && Height->text() != qt_(autostr);
 625         HeightCB->blockSignals(true);
 626         HeightCB->setChecked(heightChecked);
 627         HeightCB->blockSignals(false);
 628         Height->setEnabled(heightChecked);
 629         heightUnit->setEnabled(heightChecked);
 630
 631         scaleCB->setEnabled(!widthChecked && !heightChecked);
 632         WidthCB->setEnabled(!scaleChecked);
 633         HeightCB->setEnabled(!scaleChecked);
 634
 635         setAutoText();
 636         updateAspectRatioStatus();
 637
 638         doubleToWidget(angle, params.rotateAngle);
 639         rotateOrderCB->setChecked(params.scaleBeforeRotation);
 640
 641         rotateOrderCB->setEnabled( (widthChecked || heightChecked || scaleChecked)
 642                 && params.rotateAngle != "0");
 643
 644         origin->clear();
 645
 646         for (size_t i = 0; i < rorigin_size; i++) {
 647                 origin->addItem(qt_(rorigin_gui_strs[i]),
 648                         toqstr(rorigin_lyx_strs[i]));
 649         }
 650
 651         if (!params.rotateOrigin.empty())
 652                 origin->setCurrentIndex(origin->findData(toqstr(params.rotateOrigin)));
 653         else
 654                 origin->setCurrentIndex(0);
 655
 656         // latex section
 657         latexoptions->setText(toqstr(params.special));
 658         // cf bug #3852
 659         filename->setFocus();
 660 }
 661
 662
 663 void GuiGraphics::applyView()
 664 {
 665         InsetGraphicsParams & igp = params_;
 666
 667         igp.filename.set(fromqstr(filename->text()), fromqstr(bufferFilePath()));
 668
 669         // the bb section
 670         igp.bbox = graphics::BoundingBox();
 671         if (bbChanged) {
 672                 string lbXs = widgetToDoubleStr(lbX);
 673                 string lbYs = widgetToDoubleStr(lbY);
 674                 string rtXs = widgetToDoubleStr(rtX);
 675                 string rtYs = widgetToDoubleStr(rtY);
 676                 int bb_sum =
 677                         convert<int>(lbXs) + convert<int>(lbYs) +
 678                         convert<int>(rtXs) + convert<int>(rtXs);
 679                 if (bb_sum) {
 680                         if (lbXs.empty())
 681                                 lbXs = "0";
 682                         igp.bbox.xl = Length(lbXs + fromqstr(lbXunit->currentText()));
 683                         if (lbYs.empty())
 684                                 lbYs = "0";
 685                         igp.bbox.yb = Length(lbYs + fromqstr(lbYunit->currentText()));
 686                         if (rtXs.empty())
 687                                 rtXs = "0";
 688                         igp.bbox.xr = Length(rtXs + fromqstr(rtXunit->currentText()));
 689                         if (rtYs.empty())
 690                                 rtYs = "0";
 691                         igp.bbox.yt = Length(rtYs + fromqstr(rtYunit->currentText()));
 692                 }
 693         }
 694
 695         igp.draft = draftCB->isChecked();
 696         igp.clip = clip->isChecked();
 697         igp.display = displayGB->isChecked();
 698         igp.darkModeSensitive = darkModeCB->isChecked();
 699
 700         //the graphics section
 701         if (scaleCB->isChecked() && !Scale->text().isEmpty()) {
 702                 igp.scale = widgetToDoubleStr(Scale);
 703                 igp.width = Length("0pt");
 704                 igp.height = Length("0pt");
 705                 igp.keepAspectRatio = false;
 706         } else {
 707                 igp.scale = string();
 708                 igp.width = WidthCB->isChecked() ?
 709                         //Note that this works even if Width is "auto", since in
 710                         //that case we get "0pt".
 711                         Length(widgetsToLength(Width, widthUnit)):
 712                         Length("0pt");
 713                 igp.height = HeightCB->isChecked() ?
 714                         Length(widgetsToLength(Height, heightUnit)) :
 715                         Length("0pt");
 716                 igp.keepAspectRatio = aspectratio->isChecked();
 717         }
 718
 719         igp.lyxscale = displayscale->text().toInt();
 720         igp.rotateAngle = widgetToDoubleStr(angle);
 721
 722         double rotAngle = widgetToDouble(angle);
 723         if (abs(rotAngle) > 360.0) {
 724                 rotAngle -= 360.0 * floor(rotAngle / 360.0);
 725                 igp.rotateAngle = convert<string>(rotAngle);
 726         }
 727
 728         // save the latex name for the origin. If it is the default
 729         // then origin_ltx returns ""
 730         igp.rotateOrigin =
 731                 fromqstr(origin->itemData(origin->currentIndex()).toString());
 732         igp.scaleBeforeRotation = rotateOrderCB->isChecked();
 733
 734         // more latex options
 735         igp.special = fromqstr(latexoptions->text());
 736
 737         igp.groupId = fromqstr(groupCO->itemData(
 738                 groupCO->currentIndex()).toString());
 739         current_group_ = igp.groupId;
 740 }
 741
 742
 743 void GuiGraphics::getBB()
 744 {
 745         string const fn = fromqstr(filename->text());
 746         if (fn.empty())
 747                 return;
 748         string const bb = readBoundingBox(fn);
 749         bbChanged = false;
 750         if (bb.empty())
 751                 return;
 752         doubleToWidget(lbX, token(bb, ' ', 0));
 753         doubleToWidget(lbY, token(bb, ' ', 1));
 754         doubleToWidget(rtX, token(bb, ' ', 2));
 755         doubleToWidget(rtY, token(bb, ' ', 3));
 756         // the default units for the bb values when reading
 757         // it from the file
 758         lbXunit->setCurrentIndex(0);
 759         lbYunit->setCurrentIndex(0);
 760         rtXunit->setCurrentIndex(0);
 761         rtYunit->setCurrentIndex(0);
 762 }
 763
 764
 765 bool GuiGraphics::isChangedBB()
 766 {
 767         string const fn = fromqstr(filename->text());
 768         if (fn.empty())
 769                 return false;
 770
 771         string const bb = readBoundingBox(fn);
 772         if (bb.empty())
 773                 return false;
 774
 775         // Compare orig bb values with the set ones
 776         if (Length(token(bb, ' ', 0) + "bp") !=
 777                 Length(widgetToDoubleStr(lbX) + fromqstr(lbXunit->currentText())))
 778                 return true;
 779
 780         if (Length(token(bb, ' ', 1) + "bp") !=
 781                 Length(widgetToDoubleStr(lbY) + fromqstr(lbYunit->currentText())))
 782                 return true;
 783
 784         if (Length(token(bb, ' ', 2) + "bp") !=
 785                 Length(widgetToDoubleStr(rtX) + fromqstr(rtXunit->currentText())))
 786                 return true;
 787
 788         if (Length(token(bb, ' ', 3) + "bp") !=
 789                 Length(widgetToDoubleStr(rtY) + fromqstr(rtYunit->currentText())))
 790                 return true;
 791
 792         return false;
 793 }
 794
 795
 796 bool GuiGraphics::isValid()
 797 {
 798         return !filename->text().isEmpty();
 799 }
 800
 801
 802 bool GuiGraphics::initialiseParams(string const & sdata)
 803 {
 804         InsetGraphics::string2params(sdata, buffer(), params_);
 805         paramsToDialog(params_);
 806         current_group_ = params_.groupId;
 807         return true;
 808 }
 809
 810
 811 void GuiGraphics::clearParams()
 812 {
 813         params_ = InsetGraphicsParams();
 814 }
 815
 816
 817 void GuiGraphics::dispatchParams()
 818 {
 819         InsetGraphicsParams tmp_params(params_);
 820         string const lfun = InsetGraphics::params2string(tmp_params, buffer());
 821         dispatch(FuncRequest(getLfun(), lfun));
 822         connectToNewInset();
 823 }
 824
 825
 826 QString GuiGraphics::browse(QString const & in_name)
 827 {
 828         QString const title = qt_("Select graphics file");
 829
 830         // Does user clipart directory exist?
 831         string clipdir = addName(package().user_support().absFileName(), "clipart");
 832         FileName fclip(clipdir);
 833
 834         // bail out to system clipart directory
 835         if (!fclip.isDirectory())
 836                 clipdir = addName(package().system_support().absFileName(), "clipart");
 837
 838         return browseRelToParent(in_name, bufferFilePath(),
 839                 title, fileFilters(QString()), false,
 840                 qt_("&Clipart"), toqstr(clipdir),
 841                 qt_("D&ocuments"), toqstr(lyxrc.document_path));
 842 }
 843
 844
 845 string GuiGraphics::readBoundingBox(string const & file)
 846 {
 847         FileName const abs_file = support::makeAbsPath(file, fromqstr(bufferFilePath()));
 848
 849         // With (E)PS files, try to get it from the file, if possible.
 850         // Zipped files are unzipped in the readBB_from_PSFile-Function
 851         string const bb = graphics::readBB_from_PSFile(abs_file);
 852         if (!bb.empty())
 853                 return bb;
 854
 855         // With other formats, we try to read the file dimensions
 856         int width = 0;
 857         int height = 0;
 858
 859         // First ask the Graphics Cache if it has loaded the file
 860         graphics::Cache & gc = graphics::Cache::get();
 861         if (gc.inCache(abs_file)) {
 862                 graphics::Image const * image = gc.item(abs_file)->image();
 863
 864                 if (image) {
 865                         width  = image->width();
 866                         height = image->height();
 867                 }
 868         } else {
 869                 // If not, construct a QImage and get the values from that
 870                 QImage image(toqstr(abs_file.absoluteFilePath()));
 871                 if (!image.isNull()) {
 872                         width  = image.width();
 873                         height = image.height();
 874                 }
 875         }
 876
 877         return ("0 0 " + convert<string>(width) + ' ' + convert<string>(height));
 878 }
 879
 880
 881 bool GuiGraphics::isFileNameValid(string const & fname) const
 882 {
 883         // It may be that the filename is relative.
 884         return support::makeAbsPath(fname, fromqstr(bufferFilePath())).isReadableFile();
 885 }
 886
 887
 888 } // namespace frontend
 889 } // namespace lyx
 890
 891 #include "moc_GuiGraphics.cpp"