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(unsignedLengthAutoValidator(Height, qt_(autostr)));
 162         Width->setValidator(unsignedLengthAutoValidator(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         // FIXME: we should connect to clicked() when we move to Qt 4.2 because
 198         // the toggled(bool) signal is also triggered when we update the widgets
 199         // (rgh-4/07) this isn't as much or a problem as it was, because we're now
 200         // using blockSignals() to keep from triggering that signal when we call
 201         // setChecked(). Note, too, that clicked() would get called whenever it
 202         // is clicked, even right clicked (I think), not just whenever it is
 203         // toggled.
 204         connect(displayGB, SIGNAL(toggled(bool)), this, SLOT(change_adaptor()));
 205         connect(displayscale, SIGNAL(textChanged(const QString &)),
 206                 this, SLOT(change_adaptor()));
 207         connect(groupCO, SIGNAL(currentIndexChanged(int)),
 208                 this, SLOT(changeGroup(int)));
 209
 210         displayscale->setValidator(new QIntValidator(displayscale));
 211
 212         bc().setPolicy(ButtonPolicy::NoRepeatedApplyReadOnlyPolicy);
 213         bc().setOK(buttonBox->button(QDialogButtonBox::Ok));
 214         bc().setApply(buttonBox->button(QDialogButtonBox::Apply));
 215         bc().setCancel(buttonBox->button(QDialogButtonBox::Cancel));
 216         bc().setRestore(buttonBox->button(QDialogButtonBox::Reset));
 217
 218         bc().addReadOnly(latexoptions);
 219         bc().addReadOnly(filenameL);
 220         bc().addReadOnly(filename);
 221         bc().addReadOnly(browsePB);
 222         bc().addReadOnly(bbFrame);
 223         bc().addReadOnly(draftCB);
 224         bc().addReadOnly(clip);
 225         bc().addReadOnly(displayGB);
 226         bc().addReadOnly(sizeGB);
 227         bc().addReadOnly(rotationGB);
 228         bc().addReadOnly(latexoptions);
 229         bc().addReadOnly(getPB);
 230         bc().addReadOnly(rotateOrderCB);
 231
 232         // initialize the length validator
 233         bc().addCheckedLineEdit(Scale, scaleCB);
 234         bc().addCheckedLineEdit(Width, WidthCB);
 235         bc().addCheckedLineEdit(Height, HeightCB);
 236         bc().addCheckedLineEdit(displayscale, scaleLA);
 237         bc().addCheckedLineEdit(angle, angleL);
 238         bc().addCheckedLineEdit(lbX, xL);
 239         bc().addCheckedLineEdit(lbY, yL);
 240         bc().addCheckedLineEdit(rtX, xL_2);
 241         bc().addCheckedLineEdit(rtY, yL_2);
 242         bc().addCheckedLineEdit(filename, filenameL);
 243 }
 244
 245
 246 void GuiGraphics::change_adaptor()
 247 {
 248         changed();
 249 }
 250
 251
 252 void GuiGraphics::changeGroup(int /* index */)
 253 {
 254         QString const new_group = groupCO->itemData(
 255                 groupCO->currentIndex()).toString();
 256
 257         // check if the old group consisted only of this member
 258         if (current_group_ != fromqstr(new_group)
 259             && graphics::countGroupMembers(buffer(), current_group_) == 1) {
 260                 if (!new_group.isEmpty()) {
 261                         if (Alert::prompt(_("Dissolve previous group?"),
 262                                 bformat(_("If you assign this graphic to group '%2$s',\n"
 263                                           "the previously assigned group '%1$s' will be dissolved,\n"
 264                                           "because this graphic was its only member.\n"
 265                                           "How do you want to proceed?"),
 266                                         from_utf8(current_group_), qstring_to_ucs4(new_group)),
 267                                         0, 0,
 268                                         bformat(_("Stick with group '%1$s'"),
 269                                                 from_utf8(current_group_)),
 270                                         bformat(_("Assign to group '%1$s' anyway"),
 271                                                 qstring_to_ucs4(new_group))) == 0) {
 272                                 groupCO->setCurrentIndex(
 273                                         groupCO->findData(toqstr(current_group_), Qt::MatchExactly));
 274                                 return;
 275                         }
 276                 } else {
 277                         if (Alert::prompt(_("Dissolve previous group?"),
 278                         bformat(_("If you sign off this graphic from group '%1$s',\n"
 279                                   "the group will be dissolved,\n"
 280                                   "because this graphic was its only member.\n"
 281                                   "How do you want to proceed?"),
 282                                 from_utf8(current_group_)),
 283                                 0, 0,
 284                                 bformat(_("Stick with group '%1$s'"),
 285                                 from_utf8(current_group_)),
 286                                 bformat(_("Sign off from group '%1$s'"),
 287                                 from_utf8(current_group_))) == 0) {
 288                         groupCO->setCurrentIndex(
 289                                 groupCO->findData(toqstr(current_group_), Qt::MatchExactly));
 290                         return;
 291                         }
 292                 }
 293         }
 294
 295         if (new_group.isEmpty()) {
 296                 changed();
 297                 return;
 298         }
 299
 300         string grp = graphics::getGroupParams(buffer(), fromqstr(new_group));
 301         if (grp.empty()) {
 302                 // group does not exist yet
 303                 changed();
 304                 return;
 305         }
 306
 307         // filename might have been changed
 308         QString current_filename = filename->text();
 309
 310         // group exists: load params into the dialog
 311         groupCO->blockSignals(true);
 312         InsetGraphics::string2params(grp, buffer(), params_);
 313         paramsToDialog(params_);
 314         groupCO->blockSignals(false);
 315
 316         // reset filename
 317         filename->setText(current_filename);
 318
 319         changed();
 320 }
 321
 322
 323 void GuiGraphics::on_newGroupPB_clicked()
 324 {
 325         docstring newgroup;
 326         if (!Alert::askForText(newgroup, _("Enter unique group name:")))
 327                 return;
 328         if (newgroup.empty())
 329                 return;
 330         if (groupCO->findData(toqstr(newgroup), Qt::MatchExactly) != -1) {
 331                 Alert::warning(_("Group already defined!"),
 332                         bformat(_("A graphics group with the name '%1$s' already exists."),
 333                                 newgroup));
 334                 return;
 335         }
 336         groupCO->addItem(toqstr(newgroup), toqstr(newgroup));
 337         groupCO->setCurrentIndex(
 338                 groupCO->findData(toqstr(newgroup), Qt::MatchExactly));
 339 }
 340
 341
 342 void GuiGraphics::changeBB()
 343 {
 344         bbChanged = true;
 345         LYXERR(Debug::GRAPHICS, "[bb_Changed set to true]");
 346         changed();
 347 }
 348
 349
 350 void GuiGraphics::on_browsePB_clicked()
 351 {
 352         QString const str = browse(filename->text());
 353         if (!str.isEmpty()) {
 354                 filename->setText(str);
 355                 changed();
 356         }
 357 }
 358
 359
 360 void GuiGraphics::on_getPB_clicked()
 361 {
 362         getBB();
 363 }
 364
 365
 366 void GuiGraphics::setAutoText()
 367 {
 368         if (scaleCB->isChecked())
 369                 return;
 370         if (!Scale->isEnabled() && Scale->text() != "100")
 371                 Scale->setText(qt_(autostr));
 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         displayGB->setChecked(params.display);
 559         displayscale->setText(toqstr(convert<string>(params.lyxscale)));
 560
 561         // the output section (width/height)
 562
 563         doubleToWidget(Scale, params.scale);
 564         //igp.scale defaults to 100, so we treat it as empty
 565         bool const scaleChecked = !params.scale.empty() && params.scale != "100";
 566         scaleCB->blockSignals(true);
 567         scaleCB->setChecked(scaleChecked);
 568         scaleCB->blockSignals(false);
 569         Scale->setEnabled(scaleChecked);
 570         displayGB->setEnabled(lyxrc.display_graphics);
 571
 572         set<string> grp;
 573         graphics::getGraphicsGroups(buffer(), grp);
 574         set<string>::const_iterator it = grp.begin();
 575         set<string>::const_iterator end = grp.end();
 576         groupCO->blockSignals(true);
 577         groupCO->clear();
 578         for (; it != end; ++it)
 579                 groupCO->addItem(toqstr(*it), toqstr(*it));
 580         groupCO->insertItem(0, qt_("None"), QString());
 581         if (params.groupId.empty())
 582                 groupCO->setCurrentIndex(0);
 583         else
 584                 groupCO->setCurrentIndex(
 585                         groupCO->findData(toqstr(params.groupId), Qt::MatchExactly));
 586         groupCO->blockSignals(false);
 587
 588         if (params.width.value() == 0)
 589                 lengthToWidgets(Width, widthUnit, _(autostr), defaultUnit);
 590         else
 591                 lengthToWidgets(Width, widthUnit, params.width, defaultUnit);
 592
 593         bool const widthChecked = !Width->text().isEmpty() &&
 594                 Width->text() != qt_(autostr);
 595         WidthCB->blockSignals(true);
 596         WidthCB->setChecked(widthChecked);
 597         WidthCB->blockSignals(false);
 598         Width->setEnabled(widthChecked);
 599         widthUnit->setEnabled(widthChecked);
 600
 601         if (params.height.value() == 0)
 602                 lengthToWidgets(Height, heightUnit, _(autostr), defaultUnit);
 603         else
 604                 lengthToWidgets(Height, heightUnit, params.height, defaultUnit);
 605
 606         bool const heightChecked = !Height->text().isEmpty()
 607                 && Height->text() != qt_(autostr);
 608         HeightCB->blockSignals(true);
 609         HeightCB->setChecked(heightChecked);
 610         HeightCB->blockSignals(false);
 611         Height->setEnabled(heightChecked);
 612         heightUnit->setEnabled(heightChecked);
 613
 614         scaleCB->setEnabled(!widthChecked && !heightChecked);
 615         WidthCB->setEnabled(!scaleChecked);
 616         HeightCB->setEnabled(!scaleChecked);
 617
 618         setAutoText();
 619         updateAspectRatioStatus();
 620
 621         doubleToWidget(angle, params.rotateAngle);
 622         rotateOrderCB->setChecked(params.scaleBeforeRotation);
 623
 624         rotateOrderCB->setEnabled( (widthChecked || heightChecked || scaleChecked)
 625                 && params.rotateAngle != "0");
 626
 627         origin->clear();
 628
 629         for (size_t i = 0; i < rorigin_size; i++) {
 630                 origin->addItem(qt_(rorigin_gui_strs[i]),
 631                         toqstr(rorigin_lyx_strs[i]));
 632         }
 633
 634         if (!params.rotateOrigin.empty())
 635                 origin->setCurrentIndex(origin->findData(toqstr(params.rotateOrigin)));
 636         else
 637                 origin->setCurrentIndex(0);
 638
 639         // latex section
 640         latexoptions->setText(toqstr(params.special));
 641         // cf bug #3852
 642         filename->setFocus();
 643 }
 644
 645
 646 void GuiGraphics::applyView()
 647 {
 648         InsetGraphicsParams & igp = params_;
 649
 650         igp.filename.set(fromqstr(filename->text()), fromqstr(bufferFilePath()));
 651
 652         // the bb section
 653         igp.bbox = graphics::BoundingBox();
 654         if (bbChanged) {
 655                 string lbXs = widgetToDoubleStr(lbX);
 656                 string lbYs = widgetToDoubleStr(lbY);
 657                 string rtXs = widgetToDoubleStr(rtX);
 658                 string rtYs = widgetToDoubleStr(rtY);
 659                 int bb_sum =
 660                         convert<int>(lbXs) + convert<int>(lbYs) +
 661                         convert<int>(rtXs) + convert<int>(rtXs);
 662                 if (bb_sum) {
 663                         if (lbXs.empty())
 664                                 lbXs = "0";
 665                         igp.bbox.xl = Length(lbXs + fromqstr(lbXunit->currentText()));
 666                         if (lbYs.empty())
 667                                 lbYs = "0";
 668                         igp.bbox.yb = Length(lbYs + fromqstr(lbYunit->currentText()));
 669                         if (rtXs.empty())
 670                                 rtXs = "0";
 671                         igp.bbox.xr = Length(rtXs + fromqstr(rtXunit->currentText()));
 672                         if (rtYs.empty())
 673                                 rtYs = "0";
 674                         igp.bbox.yt = Length(rtYs + fromqstr(rtYunit->currentText()));
 675                 }
 676         }
 677
 678         igp.draft = draftCB->isChecked();
 679         igp.clip = clip->isChecked();
 680         igp.display = displayGB->isChecked();
 681
 682         //the graphics section
 683         if (scaleCB->isChecked() && !Scale->text().isEmpty()) {
 684                 igp.scale = widgetToDoubleStr(Scale);
 685                 igp.width = Length("0pt");
 686                 igp.height = Length("0pt");
 687                 igp.keepAspectRatio = false;
 688         } else {
 689                 igp.scale = string();
 690                 igp.width = WidthCB->isChecked() ?
 691                         //Note that this works even if Width is "auto", since in
 692                         //that case we get "0pt".
 693                         Length(widgetsToLength(Width, widthUnit)):
 694                         Length("0pt");
 695                 igp.height = HeightCB->isChecked() ?
 696                         Length(widgetsToLength(Height, heightUnit)) :
 697                         Length("0pt");
 698                 igp.keepAspectRatio = aspectratio->isChecked();
 699         }
 700
 701         igp.lyxscale = displayscale->text().toInt();
 702         igp.rotateAngle = widgetToDoubleStr(angle);
 703
 704         double rotAngle = widgetToDouble(angle);
 705         if (abs(rotAngle) > 360.0) {
 706                 rotAngle -= 360.0 * floor(rotAngle / 360.0);
 707                 igp.rotateAngle = convert<string>(rotAngle);
 708         }
 709
 710         // save the latex name for the origin. If it is the default
 711         // then origin_ltx returns ""
 712         igp.rotateOrigin =
 713                 fromqstr(origin->itemData(origin->currentIndex()).toString());
 714         igp.scaleBeforeRotation = rotateOrderCB->isChecked();
 715
 716         // more latex options
 717         igp.special = fromqstr(latexoptions->text());
 718
 719         igp.groupId = fromqstr(groupCO->itemData(
 720                 groupCO->currentIndex()).toString());
 721         current_group_ = igp.groupId;
 722 }
 723
 724
 725 void GuiGraphics::getBB()
 726 {
 727         string const fn = fromqstr(filename->text());
 728         if (fn.empty())
 729                 return;
 730         string const bb = readBoundingBox(fn);
 731         bbChanged = false;
 732         if (bb.empty())
 733                 return;
 734         doubleToWidget(lbX, token(bb, ' ', 0));
 735         doubleToWidget(lbY, token(bb, ' ', 1));
 736         doubleToWidget(rtX, token(bb, ' ', 2));
 737         doubleToWidget(rtY, token(bb, ' ', 3));
 738         // the default units for the bb values when reading
 739         // it from the file
 740         lbXunit->setCurrentIndex(0);
 741         lbYunit->setCurrentIndex(0);
 742         rtXunit->setCurrentIndex(0);
 743         rtYunit->setCurrentIndex(0);
 744 }
 745
 746
 747 bool GuiGraphics::isValid()
 748 {
 749         return !filename->text().isEmpty();
 750 }
 751
 752
 753 bool GuiGraphics::initialiseParams(string const & sdata)
 754 {
 755         InsetGraphics::string2params(sdata, buffer(), params_);
 756         paramsToDialog(params_);
 757         current_group_ = params_.groupId;
 758         return true;
 759 }
 760
 761
 762 void GuiGraphics::clearParams()
 763 {
 764         params_ = InsetGraphicsParams();
 765 }
 766
 767
 768 void GuiGraphics::dispatchParams()
 769 {
 770         InsetGraphicsParams tmp_params(params_);
 771         string const lfun = InsetGraphics::params2string(tmp_params, buffer());
 772         dispatch(FuncRequest(getLfun(), lfun));
 773         connectToNewInset();
 774 }
 775
 776
 777 QString GuiGraphics::browse(QString const & in_name) const
 778 {
 779         QString const title = qt_("Select graphics file");
 780
 781         // Does user clipart directory exist?
 782         string clipdir = addName(package().user_support().absFileName(), "clipart");
 783         FileName fclip(clipdir);
 784
 785         // bail out to system clipart directory
 786         if (!fclip.isDirectory())
 787                 clipdir = addName(package().system_support().absFileName(), "clipart");
 788
 789         return browseRelToParent(in_name, bufferFilePath(),
 790                 title, fileFilters(QString()), false,
 791                 qt_("&Clipart"), toqstr(clipdir),
 792                 qt_("D&ocuments"), toqstr(lyxrc.document_path));
 793 }
 794
 795
 796 string GuiGraphics::readBoundingBox(string const & file)
 797 {
 798         FileName const abs_file = support::makeAbsPath(file, fromqstr(bufferFilePath()));
 799
 800         // try to get it from the file, if possible. Zipped files are
 801         // unzipped in the readBB_from_PSFile-Function
 802         string const bb = graphics::readBB_from_PSFile(abs_file);
 803         if (!bb.empty())
 804                 return bb;
 805
 806         // we don't, so ask the Graphics Cache if it has loaded the file
 807         int width = 0;
 808         int height = 0;
 809
 810         graphics::Cache & gc = graphics::Cache::get();
 811         if (gc.inCache(abs_file)) {
 812                 graphics::Image const * image = gc.item(abs_file)->image();
 813
 814                 if (image) {
 815                         width  = image->width();
 816                         height = image->height();
 817                 }
 818         }
 819
 820         return ("0 0 " + convert<string>(width) + ' ' + convert<string>(height));
 821 }
 822
 823
 824 bool GuiGraphics::isFileNameValid(string const & fname) const
 825 {
 826         // It may be that the filename is relative.
 827         return support::makeAbsPath(fname, fromqstr(bufferFilePath())).isReadableFile();
 828 }
 829
 830
 831 } // namespace frontend
 832 } // namespace lyx
 833
 834 #include "moc_GuiGraphics.cpp"