src/frontends/qt4/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 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 "Length.h"
  26 #include "LyXRC.h"
  27
  28 #include "graphics/epstools.h"
  29 #include "graphics/GraphicsCache.h"
  30 #include "graphics/GraphicsCacheItem.h"
  31 #include "graphics/GraphicsImage.h"
  32
  33 #include "insets/InsetGraphics.h"
  34
  35 #include "support/convert.h"
  36 #include "support/debug.h"
  37 #include "support/filetools.h"
  38 #include "support/gettext.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(okPB, SIGNAL(clicked()), this, SLOT(slotOK()));
 119         connect(applyPB, SIGNAL(clicked()), this, SLOT(slotApply()));
 120         connect(closePB, SIGNAL(clicked()), this, SLOT(slotClose()));
 121         connect(restorePB, SIGNAL(clicked()), this, SLOT(slotRestore()));
 122
 123         //graphics pane
 124         connect(filename, SIGNAL(textChanged(const QString &)),
 125                 this, SLOT(change_adaptor()));
 126         connect(WidthCB, SIGNAL(clicked()),
 127                 this, SLOT(change_adaptor()));
 128         connect(HeightCB, SIGNAL(clicked()),
 129                 this, SLOT(change_adaptor()));
 130         connect(Width, SIGNAL(textChanged(const QString &)),
 131                 this, SLOT(updateAspectRatioStatus()));
 132         connect(Width, SIGNAL(textChanged(const QString &)),
 133                 this, SLOT(change_adaptor()));
 134         connect(Height, SIGNAL(textChanged(const QString &)),
 135                 this, SLOT(updateAspectRatioStatus()));
 136         connect(Height, SIGNAL(textChanged(const QString &)),
 137                 this, SLOT(change_adaptor()));
 138         connect(heightUnit, SIGNAL(selectionChanged(lyx::Length::UNIT)),
 139                 this, SLOT(change_adaptor()));
 140         connect(widthUnit, SIGNAL(selectionChanged(lyx::Length::UNIT)),
 141                 this, SLOT(change_adaptor()));
 142         connect(aspectratio, SIGNAL(stateChanged(int)),
 143                 this, SLOT(change_adaptor()));
 144         connect(angle, SIGNAL(textChanged(const QString &)),
 145                 this, SLOT(change_adaptor()));
 146         connect(origin, SIGNAL(activated(int)),
 147                 this, SLOT(change_adaptor()));
 148         connect(scaleCB, SIGNAL(clicked()),
 149                 this, SLOT(change_adaptor()));
 150         connect(Scale, SIGNAL(textChanged(const QString &)),
 151                 this, SLOT(change_adaptor()));
 152         connect(rotateOrderCB, SIGNAL(clicked()),
 153                 this, SLOT(change_adaptor()));
 154
 155         filename->setValidator(new PathValidator(true, filename));
 156         setFocusProxy(filename);
 157
 158         QDoubleValidator * scaleValidator =
 159                 new DoubleAutoValidator(Scale, qt_(autostr));
 160         scaleValidator->setBottom(0);
 161         scaleValidator->setDecimals(256); //I guess that will do
 162         Scale->setValidator(scaleValidator);
 163         Height->setValidator(unsignedLengthAutoValidator(Height, qt_(autostr)));
 164         Width->setValidator(unsignedLengthAutoValidator(Width, qt_(autostr)));
 165         angle->setValidator(new QDoubleValidator(-360, 360, 2, angle));
 166
 167         //clipping pane
 168         connect(clip, SIGNAL(stateChanged(int)),
 169                 this, SLOT(change_adaptor()));
 170         connect(lbY, SIGNAL(textChanged(const QString &)),
 171                 this, SLOT(changeBB()));
 172         connect(lbYunit, SIGNAL(activated(int)),
 173                 this, SLOT(changeBB()));
 174         connect(rtY, SIGNAL(textChanged(const QString &)),
 175                 this, SLOT(changeBB()));
 176         connect(rtYunit, SIGNAL(activated(int)),
 177                 this, SLOT(changeBB()));
 178         connect(lbX, SIGNAL(textChanged(const QString &)),
 179                 this, SLOT(changeBB()));
 180         connect(lbXunit, SIGNAL(activated(int)),
 181                 this, SLOT(changeBB()));
 182         connect(rtX, SIGNAL(textChanged(const QString &)),
 183                 this, SLOT(changeBB()));
 184         connect(rtXunit, SIGNAL(activated(int)),
 185                 this, SLOT(changeBB()));
 186         connect(getPB, SIGNAL(clicked()),
 187                 this, SLOT(change_adaptor()));
 188
 189         lbX->setValidator(new QDoubleValidator(lbX));
 190         lbY->setValidator(new QDoubleValidator(lbY));
 191         rtX->setValidator(new QDoubleValidator(rtX));
 192         rtY->setValidator(new QDoubleValidator(rtY));
 193
 194         //extra options pane
 195         connect(latexoptions, SIGNAL(textChanged(const QString &)),
 196                 this, SLOT(change_adaptor()));
 197         connect(draftCB, SIGNAL(stateChanged(int)),
 198                 this, SLOT(change_adaptor()));
 199         // FIXME: we should connect to clicked() when we move to Qt 4.2 because
 200         // the toggled(bool) signal is also trigged when we update the widgets
 201         // (rgh-4/07) this isn't as much or a problem as it was, because we're now
 202         // using blockSignals() to keep from triggering that signal when we call
 203         // setChecked(). Note, too, that clicked() would get called whenever it
 204         // is clicked, even right clicked (I think), not just whenever it is
 205         // toggled.
 206         connect(displayGB, SIGNAL(toggled(bool)), this, SLOT(change_adaptor()));
 207         connect(displayscale, SIGNAL(textChanged(const QString &)),
 208                 this, SLOT(change_adaptor()));
 209         connect(groupCO, SIGNAL(currentIndexChanged(int)),
 210                 this, SLOT(changeGroup(int)));
 211
 212         displayscale->setValidator(new QIntValidator(displayscale));
 213
 214         bc().setPolicy(ButtonPolicy::NoRepeatedApplyReadOnlyPolicy);
 215         bc().setOK(okPB);
 216         bc().setApply(applyPB);
 217         bc().setRestore(restorePB);
 218         bc().setCancel(closePB);
 219
 220         bc().addReadOnly(latexoptions);
 221         bc().addReadOnly(filenameL);
 222         bc().addReadOnly(filename);
 223         bc().addReadOnly(browsePB);
 224         bc().addReadOnly(bbFrame);
 225         bc().addReadOnly(draftCB);
 226         bc().addReadOnly(clip);
 227         bc().addReadOnly(displayGB);
 228         bc().addReadOnly(sizeGB);
 229         bc().addReadOnly(rotationGB);
 230         bc().addReadOnly(latexoptions);
 231         bc().addReadOnly(getPB);
 232         bc().addReadOnly(rotateOrderCB);
 233
 234         // initialize the length validator
 235         bc().addCheckedLineEdit(Scale, scaleCB);
 236         bc().addCheckedLineEdit(Width, WidthCB);
 237         bc().addCheckedLineEdit(Height, HeightCB);
 238         bc().addCheckedLineEdit(displayscale, scaleLA);
 239         bc().addCheckedLineEdit(angle, angleL);
 240         bc().addCheckedLineEdit(lbX, xL);
 241         bc().addCheckedLineEdit(lbY, yL);
 242         bc().addCheckedLineEdit(rtX, xL_2);
 243         bc().addCheckedLineEdit(rtY, yL_2);
 244         bc().addCheckedLineEdit(filename, filenameL);
 245 }
 246
 247
 248 void GuiGraphics::change_adaptor()
 249 {
 250         changed();
 251 }
 252
 253
 254 void GuiGraphics::changeGroup(int /* index */)
 255 {
 256         QString const new_group = groupCO->itemData(
 257                 groupCO->currentIndex()).toString();
 258
 259         // check if the old group consisted only of this member
 260         if (current_group_ != fromqstr(new_group)
 261             && graphics::countGroupMembers(buffer(), current_group_) == 1) {
 262                 if (!new_group.isEmpty()) {
 263                         if (Alert::prompt(_("Dissolve previous group?"),
 264                                 bformat(_("If you assign this graphic to group '%2$s',\n"
 265                                           "the previously assigned group '%1$s' will be dissolved,\n"
 266                                           "because this graphic was its only member.\n"
 267                                           "How do you want to proceed?"),
 268                                         from_utf8(current_group_), qstring_to_ucs4(new_group)),
 269                                         0, 0,
 270                                         bformat(_("Stick with group '%1$s'"),
 271                                                 from_utf8(current_group_)),
 272                                         bformat(_("Assign to group '%1$s' anyway"),
 273                                                 qstring_to_ucs4(new_group))) == 0) {
 274                                 groupCO->setCurrentIndex(
 275                                         groupCO->findData(toqstr(current_group_), Qt::MatchExactly));
 276                                 return;
 277                         }
 278                 } else {
 279                         if (Alert::prompt(_("Dissolve previous group?"),
 280                         bformat(_("If you sign off this graphic from group '%1$s',\n"
 281                                   "the group will be dissolved,\n"
 282                                   "because this graphic was its only member.\n"
 283                                   "How do you want to proceed?"),
 284                                 from_utf8(current_group_)),
 285                                 0, 0,
 286                                 bformat(_("Stick with group '%1$s'"),
 287                                 from_utf8(current_group_)),
 288                                 bformat(_("Sign off from group '%1$s'"),
 289                                 from_utf8(current_group_))) == 0) {
 290                         groupCO->setCurrentIndex(
 291                                 groupCO->findData(toqstr(current_group_), Qt::MatchExactly));
 292                         return;
 293                         }
 294                 }
 295         }
 296
 297         if (new_group.isEmpty()) {
 298                 changed();
 299                 return;
 300         }
 301
 302         string grp = graphics::getGroupParams(buffer(), fromqstr(new_group));
 303         if (grp.empty()) {
 304                 // group does not exist yet
 305                 changed();
 306                 return;
 307         }
 308
 309         // filename might have been changed
 310         QString current_filename = filename->text();
 311
 312         // group exists: load params into the dialog
 313         groupCO->blockSignals(true);
 314         InsetGraphics::string2params(grp, buffer(), params_);
 315         paramsToDialog(params_);
 316         groupCO->blockSignals(false);
 317
 318         // reset filename
 319         filename->setText(current_filename);
 320
 321         changed();
 322 }
 323
 324
 325 void GuiGraphics::on_newGroupPB_clicked()
 326 {
 327         docstring newgroup;
 328         if (!Alert::askForText(newgroup, _("Enter unique group name:")))
 329                 return;
 330         if (newgroup.empty())
 331                 return;
 332         if (groupCO->findData(toqstr(newgroup), Qt::MatchExactly) != -1) {
 333                 Alert::warning(_("Group already defined!"),
 334                         bformat(_("A graphics group with the name '%1$s' already exists."),
 335                                 newgroup));
 336                 return;
 337         }
 338         groupCO->addItem(toqstr(newgroup), toqstr(newgroup));
 339         groupCO->setCurrentIndex(
 340                 groupCO->findData(toqstr(newgroup), Qt::MatchExactly));
 341 }
 342
 343
 344 void GuiGraphics::changeBB()
 345 {
 346         bbChanged = true;
 347         LYXERR(Debug::GRAPHICS, "[bb_Changed set to true]");
 348         changed();
 349 }
 350
 351
 352 void GuiGraphics::on_browsePB_clicked()
 353 {
 354         QString const str = browse(filename->text());
 355         if (!str.isEmpty()) {
 356                 filename->setText(str);
 357                 changed();
 358         }
 359 }
 360
 361
 362 void GuiGraphics::on_getPB_clicked()
 363 {
 364         getBB();
 365 }
 366
 367
 368 void GuiGraphics::setAutoText()
 369 {
 370         if (scaleCB->isChecked())
 371                 return;
 372         if (!Scale->isEnabled() && Scale->text() != "100")
 373                 Scale->setText(qt_(autostr));
 374
 375         setAutoTextCB(WidthCB, Width, widthUnit);
 376         setAutoTextCB(HeightCB, Height, heightUnit);
 377 }
 378
 379
 380 void GuiGraphics::on_scaleCB_toggled(bool setScale)
 381 {
 382         Scale->setEnabled(setScale);
 383         if (setScale) {
 384                 Scale->setText("100");
 385                 Scale->setFocus(Qt::OtherFocusReason);
 386         }
 387
 388         WidthCB->setDisabled(setScale);
 389         WidthCB->blockSignals(true);
 390         WidthCB->setChecked(false);
 391         WidthCB->blockSignals(false);
 392         Width->setEnabled(false);
 393         widthUnit->setEnabled(false);
 394
 395         HeightCB->setDisabled(setScale);
 396         HeightCB->blockSignals(true);
 397         HeightCB->setChecked(false);
 398         HeightCB->blockSignals(false);
 399         Height->setEnabled(false);
 400         heightUnit->setEnabled(false);
 401
 402         rotateOrderCB->setEnabled((WidthCB->isChecked() ||
 403                                  HeightCB->isChecked() ||
 404                                  scaleCB->isChecked()) &&
 405                                  (angle->text() != "0"));
 406
 407         setAutoText();
 408         updateAspectRatioStatus();
 409 }
 410
 411
 412 void GuiGraphics::on_WidthCB_toggled(bool setWidth)
 413 {
 414         Width->setEnabled(setWidth);
 415         widthUnit->setEnabled(setWidth);
 416         if (setWidth)
 417                 Width->setFocus(Qt::OtherFocusReason);
 418
 419         bool const setHeight = HeightCB->isChecked();
 420         scaleCB->setEnabled(!setWidth && !setHeight);
 421         //already will be unchecked, so don't need to do that
 422         Scale->setEnabled((!setWidth && !setHeight) //=scaleCB->isEnabled()
 423                         && scaleCB->isChecked()); //should be false, but let's check
 424         rotateOrderCB->setEnabled((setWidth || setHeight ||
 425                                  scaleCB->isChecked()) &&
 426                                  (angle->text() != "0"));
 427
 428         setAutoText();
 429         updateAspectRatioStatus();
 430 }
 431
 432
 433 void GuiGraphics::on_HeightCB_toggled(bool setHeight)
 434 {
 435         Height->setEnabled(setHeight);
 436         heightUnit->setEnabled(setHeight);
 437         if (setHeight)
 438                 Height->setFocus(Qt::OtherFocusReason);
 439
 440         bool const setWidth = WidthCB->isChecked();
 441         scaleCB->setEnabled(!setWidth && !setHeight);
 442         //already unchecked
 443         Scale->setEnabled((!setWidth && !setHeight) //=scaleCB->isEnabled()
 444                 && scaleCB->isChecked()); //should be false
 445         rotateOrderCB->setEnabled((setWidth || setHeight ||
 446                                  scaleCB->isChecked()) &&
 447                                  (angle->text() != "0"));
 448
 449         setAutoText();
 450         updateAspectRatioStatus();
 451 }
 452
 453
 454 void GuiGraphics::updateAspectRatioStatus()
 455 {
 456         // keepaspectratio only makes sense if both a width _and_ a
 457         // height are given, since its function is (see graphics manual):
 458         // "If set to true then specifying both 'width' and 'height'
 459         // (or 'totalheight') does not distort the figure but scales
 460         // such that neither of the specified dimensions is _exceeded_."
 461         aspectratio->setEnabled(
 462                 WidthCB->isChecked() && !Width->text().isEmpty()
 463                 && Width->text() != qt_(autostr)
 464                 && HeightCB->isChecked() && !Height->text().isEmpty()
 465                 && Height->text() != qt_(autostr)
 466                 );
 467         if (!aspectratio->isEnabled())
 468                 aspectratio->setChecked(false);
 469 }
 470
 471
 472 void GuiGraphics::on_aspectratio_toggled(bool aspectratio)
 473 {
 474         if (aspectratio) {
 475                 WidthCB->setText(qt_("Set max. &width:"));
 476                 HeightCB->setText(qt_("Set max. &height:"));
 477                 Width->setToolTip(qt_("Maximal width of image in output"));
 478                 Height->setToolTip(qt_("Maximal height of image in output"));
 479         } else {
 480                 WidthCB->setText(qt_("Set &width:"));
 481                 HeightCB->setText(qt_("Set &height:"));
 482                 Width->setToolTip(qt_("Width of image in output"));
 483                 Height->setToolTip(qt_("Height of image in output"));
 484         }
 485 }
 486
 487
 488 void GuiGraphics::on_angle_textChanged(const QString & filename)
 489 {
 490         rotateOrderCB->setEnabled((WidthCB->isChecked() ||
 491                                  HeightCB->isChecked() ||
 492                                  scaleCB->isChecked()) &&
 493                                  (filename != "0"));
 494 }
 495
 496
 497 void GuiGraphics::paramsToDialog(InsetGraphicsParams const & igp)
 498 {
 499         static char const * const bb_units[] = { "bp", "cm", "mm", "in" };
 500         static char const * const bb_units_gui[] = { N_("bp"), N_("cm"), N_("mm"), N_("in[[unit of measure]]") };
 501         size_t const bb_size = sizeof(bb_units) / sizeof(bb_units[0]);
 502
 503         lbXunit->clear();
 504         lbYunit->clear();
 505         rtXunit->clear();
 506         rtYunit->clear();
 507
 508         for (size_t i = 0; i < bb_size; i++) {
 509                 lbXunit->addItem(qt_(bb_units_gui[i]),
 510                         toqstr(bb_units[i]));
 511                 lbYunit->addItem(qt_(bb_units_gui[i]),
 512                         toqstr(bb_units[i]));
 513                 rtXunit->addItem(qt_(bb_units_gui[i]),
 514                         toqstr(bb_units[i]));
 515                 rtYunit->addItem(qt_(bb_units_gui[i]),
 516                         toqstr(bb_units[i]));
 517         }
 518
 519         // set the right default unit
 520         Length::UNIT const defaultUnit = Length::defaultUnit();
 521
 522         //lyxerr << bufferFilePath();
 523         string const name =
 524                 igp.filename.outputFileName(fromqstr(bufferFilePath()));
 525         filename->setText(toqstr(name));
 526
 527         // set the bounding box values
 528         if (igp.bbox.empty()) {
 529                 string const bb = readBoundingBox(igp.filename.absFileName());
 530                 // the values from the file always have the bigpoint-unit bp
 531                 doubleToWidget(lbX, token(bb, ' ', 0));
 532                 doubleToWidget(lbY, token(bb, ' ', 1));
 533                 doubleToWidget(rtX, token(bb, ' ', 2));
 534                 doubleToWidget(rtY, token(bb, ' ', 3));
 535                 lbXunit->setCurrentIndex(0);
 536                 lbYunit->setCurrentIndex(0);
 537                 rtXunit->setCurrentIndex(0);
 538                 rtYunit->setCurrentIndex(0);
 539                 bbChanged = false;
 540         } else {
 541                 // get the values from the inset
 542                 doubleToWidget(lbX, igp.bbox.xl.value());
 543                 string unit = unit_name[igp.bbox.xl.unit()];
 544                 lbXunit->setCurrentIndex(lbXunit->findData(toqstr(unit)));
 545                 doubleToWidget(lbY, igp.bbox.yb.value());
 546                 unit = unit_name[igp.bbox.yb.unit()];
 547                 lbYunit->setCurrentIndex(lbYunit->findData(toqstr(unit)));
 548                 doubleToWidget(rtX, igp.bbox.xr.value());
 549                 unit = unit_name[igp.bbox.xr.unit()];
 550                 rtXunit->setCurrentIndex(rtXunit->findData(toqstr(unit)));
 551                 doubleToWidget(rtY, igp.bbox.yt.value());
 552                 unit = unit_name[igp.bbox.yt.unit()];
 553                 rtYunit->setCurrentIndex(rtYunit->findData(toqstr(unit)));
 554                 bbChanged = true;
 555         }
 556
 557         // Update the draft and clip mode
 558         draftCB->setChecked(igp.draft);
 559         clip->setChecked(igp.clip);
 560         displayGB->setChecked(igp.display);
 561         displayscale->setText(toqstr(convert<string>(igp.lyxscale)));
 562
 563         // the output section (width/height)
 564
 565         doubleToWidget(Scale, igp.scale);
 566         //igp.scale defaults to 100, so we treat it as empty
 567         bool const scaleChecked = !igp.scale.empty() && igp.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 (igp.groupId.empty())
 584                 groupCO->setCurrentIndex(0);
 585         else
 586                 groupCO->setCurrentIndex(
 587                         groupCO->findData(toqstr(igp.groupId), Qt::MatchExactly));
 588         groupCO->blockSignals(false);
 589
 590         if (igp.width.value() == 0)
 591                 lengthToWidgets(Width, widthUnit, _(autostr), defaultUnit);
 592         else
 593                 lengthToWidgets(Width, widthUnit, igp.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 (igp.height.value() == 0)
 604                 lengthToWidgets(Height, heightUnit, _(autostr), defaultUnit);
 605         else
 606                 lengthToWidgets(Height, heightUnit, igp.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, igp.rotateAngle);
 624         rotateOrderCB->setChecked(igp.scaleBeforeRotation);
 625
 626         rotateOrderCB->setEnabled( (widthChecked || heightChecked || scaleChecked)
 627                 && igp.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 (!igp.rotateOrigin.empty())
 637                 origin->setCurrentIndex(origin->findData(toqstr(igp.rotateOrigin)));
 638         else
 639                 origin->setCurrentIndex(0);
 640
 641         // latex section
 642         latexoptions->setText(toqstr(igp.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
 684         //the graphics section
 685         if (scaleCB->isChecked() && !Scale->text().isEmpty()) {
 686                 igp.scale = widgetToDoubleStr(Scale);
 687                 igp.width = Length("0pt");
 688                 igp.height = Length("0pt");
 689                 igp.keepAspectRatio = false;
 690         } else {
 691                 igp.scale = string();
 692                 igp.width = WidthCB->isChecked() ?
 693                         //Note that this works even if Width is "auto", since in
 694                         //that case we get "0pt".
 695                         Length(widgetsToLength(Width, widthUnit)):
 696                         Length("0pt");
 697                 igp.height = HeightCB->isChecked() ?
 698                         Length(widgetsToLength(Height, heightUnit)) :
 699                         Length("0pt");
 700                 igp.keepAspectRatio = aspectratio->isChecked();
 701         }
 702
 703         igp.lyxscale = displayscale->text().toInt();
 704         igp.rotateAngle = widgetToDoubleStr(angle);
 705
 706         double rotAngle = widgetToDouble(angle);
 707         if (abs(rotAngle) > 360.0) {
 708                 rotAngle -= 360.0 * floor(rotAngle / 360.0);
 709                 igp.rotateAngle = convert<string>(rotAngle);
 710         }
 711
 712         // save the latex name for the origin. If it is the default
 713         // then origin_ltx returns ""
 714         igp.rotateOrigin =
 715                 fromqstr(origin->itemData(origin->currentIndex()).toString());
 716         igp.scaleBeforeRotation = rotateOrderCB->isChecked();
 717
 718         // more latex options
 719         igp.special = fromqstr(latexoptions->text());
 720
 721         igp.groupId = fromqstr(groupCO->itemData(
 722                 groupCO->currentIndex()).toString());
 723         current_group_ = igp.groupId;
 724 }
 725
 726
 727 void GuiGraphics::getBB()
 728 {
 729         string const fn = fromqstr(filename->text());
 730         if (fn.empty())
 731                 return;
 732         string const bb = readBoundingBox(fn);
 733         bbChanged = false;
 734         if (bb.empty())
 735                 return;
 736         doubleToWidget(lbX, token(bb, ' ', 0));
 737         doubleToWidget(lbY, token(bb, ' ', 1));
 738         doubleToWidget(rtX, token(bb, ' ', 2));
 739         doubleToWidget(rtY, token(bb, ' ', 3));
 740         // the default units for the bb values when reading
 741         // it from the file
 742         lbXunit->setCurrentIndex(0);
 743         lbYunit->setCurrentIndex(0);
 744         rtXunit->setCurrentIndex(0);
 745         rtYunit->setCurrentIndex(0);
 746 }
 747
 748
 749 bool GuiGraphics::isValid()
 750 {
 751         return !filename->text().isEmpty();
 752 }
 753
 754
 755 bool GuiGraphics::initialiseParams(string const & data)
 756 {
 757         InsetGraphics::string2params(data, buffer(), params_);
 758         paramsToDialog(params_);
 759         current_group_ = params_.groupId;
 760         return true;
 761 }
 762
 763
 764 void GuiGraphics::clearParams()
 765 {
 766         params_ = InsetGraphicsParams();
 767 }
 768
 769
 770 void GuiGraphics::dispatchParams()
 771 {
 772         InsetGraphicsParams tmp_params(params_);
 773         string const lfun = InsetGraphics::params2string(tmp_params, buffer());
 774         dispatch(FuncRequest(getLfun(), lfun));
 775 }
 776
 777
 778 QString GuiGraphics::browse(QString const & in_name) const
 779 {
 780         QString const title = qt_("Select graphics file");
 781
 782         // Does user clipart directory exist?
 783         string clipdir = addName(package().user_support().absFileName(), "clipart");
 784         FileName clip(clipdir);
 785
 786         // bail out to system clipart directory
 787         if (!clip.isDirectory())
 788                 clipdir = addName(package().system_support().absFileName(), "clipart");
 789
 790         return browseRelToParent(in_name, bufferFilePath(),
 791                 title, fileFilters(QString()), false,
 792                 qt_("Clipart|#C#c"), toqstr(clipdir),
 793                 qt_("Documents|#o#O"), toqstr(lyxrc.document_path));
 794 }
 795
 796
 797 string GuiGraphics::readBoundingBox(string const & file)
 798 {
 799         FileName const abs_file = support::makeAbsPath(file, fromqstr(bufferFilePath()));
 800
 801         // try to get it from the file, if possible. Zipped files are
 802         // unzipped in the readBB_from_PSFile-Function
 803         string const bb = graphics::readBB_from_PSFile(abs_file);
 804         if (!bb.empty())
 805                 return bb;
 806
 807         // we don't, so ask the Graphics Cache if it has loaded the file
 808         int width = 0;
 809         int height = 0;
 810
 811         graphics::Cache & gc = graphics::Cache::get();
 812         if (gc.inCache(abs_file)) {
 813                 graphics::Image const * image = gc.item(abs_file)->image();
 814
 815                 if (image) {
 816                         width  = image->width();
 817                         height = image->height();
 818                 }
 819         }
 820
 821         return ("0 0 " + convert<string>(width) + ' ' + convert<string>(height));
 822 }
 823
 824
 825 bool GuiGraphics::isFileNameValid(string const & fname) const
 826 {
 827         // It may be that the filename is relative.
 828         return support::makeAbsPath(fname, fromqstr(bufferFilePath())).isReadableFile();
 829 }
 830
 831
 832 Dialog * createGuiGraphics(GuiView & lv) { return new GuiGraphics(lv); }
 833
 834
 835 } // namespace frontend
 836 } // namespace lyx
 837
 838 #include "moc_GuiGraphics.cpp"