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/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/lstrings.h"
  39 #include "support/os.h"
  40 #include "support/Package.h"
  41 #include "support/types.h"
  42
  43 #include <QCheckBox>
  44 #include <QLabel>
  45 #include <QLineEdit>
  46 #include <QPushButton>
  47 #include <QValidator>
  48
  49 #include <cmath>
  50 #include <utility>
  51
  52 using namespace std;
  53 using namespace lyx::support;
  54
  55 namespace {
  56
  57 // These are the strings that are stored in the LyX file and which
  58 // correspond to the LaTeX identifiers shown in the comments at the
  59 // end of each line.
  60 char const * const rorigin_lyx_strs[] = {
  61         // the LaTeX default is leftBaseline
  62         "",
  63         "leftTop",  "leftBottom", "leftBaseline", // lt lb lB
  64         "center", "centerTop", "centerBottom", "centerBaseline", // c ct cb cB
  65         "rightTop", "rightBottom", "rightBaseline" }; // rt rb rB
  66
  67 // These are the strings, corresponding to the above, that the GUI should
  68 // use. Note that they can/should be translated.
  69 char const * const rorigin_gui_strs[] = {
  70         N_("Default"),
  71         N_("Top left"), N_("Bottom left"), N_("Baseline left"),
  72         N_("Center"), N_("Top center"), N_("Bottom center"), N_("Baseline center"),
  73         N_("Top right"), N_("Bottom right"), N_("Baseline right") };
  74
  75 size_t const rorigin_size = sizeof(rorigin_lyx_strs) / sizeof(char *);
  76
  77 static string autostr = N_("automatically");
  78
  79 } // namespace anon
  80
  81
  82 namespace lyx {
  83 namespace frontend {
  84
  85 //FIXME setAutoTextCB should really take an argument, as indicated, that
  86 //determines what text is to be written for "auto". But making
  87 //that work involves more extensive revisions than we now want
  88 //to make, since "auto" also appears in paramsToDialog().
  89 //The right way to do this, I think, would be to define a class
  90 //checkedLengthSet (and a partnering labeledLengthSete) that encapsulated
  91 //the checkbox, line edit, and length combo together, and then made e.g.
  92 //lengthToWidgets, widgetsToLength, etc, all public methods of that class.
  93 //Perhaps even the validator could be exposed through it.
  94 /**
  95  * sets a checkbox-line edit-length combo group, using "text" if the
  96  * checkbox is unchecked and clearing the line edit if it previously
  97  * said "text".
  98 */
  99 static void setAutoTextCB(QCheckBox * checkBox, QLineEdit * lineEdit,
 100         LengthCombo * lengthCombo/*, string text = "auto"*/)
 101 {
 102         if (!checkBox->isChecked())
 103                 lengthToWidgets(lineEdit, lengthCombo,
 104                                 _(autostr), lengthCombo->currentLengthItem());
 105         else if (lineEdit->text() == qt_(autostr))
 106                 lengthToWidgets(lineEdit, lengthCombo, string(),
 107                                 lengthCombo->currentLengthItem());
 108 }
 109
 110
 111 GuiGraphics::GuiGraphics(GuiView & lv)
 112         : GuiDialog(lv, "graphics", qt_("Graphics"))
 113 {
 114         setupUi(this);
 115
 116         //main buttons
 117         connect(okPB, SIGNAL(clicked()), this, SLOT(slotOK()));
 118         connect(applyPB, SIGNAL(clicked()), this, SLOT(slotApply()));
 119         connect(closePB, SIGNAL(clicked()), this, SLOT(slotClose()));
 120         connect(restorePB, SIGNAL(clicked()), this, SLOT(slotRestore()));
 121
 122         //graphics pane
 123         connect(filename, SIGNAL(textChanged(const QString &)),
 124                 this, SLOT(change_adaptor()));
 125         connect(WidthCB, SIGNAL(clicked()),
 126                 this, SLOT(change_adaptor()));
 127         connect(HeightCB, SIGNAL(clicked()),
 128                 this, SLOT(change_adaptor()));
 129         connect(Width, SIGNAL(textChanged(const QString &)),
 130                 this, SLOT(change_adaptor()));
 131         connect(Height, SIGNAL(textChanged(const QString &)),
 132                 this, SLOT(change_adaptor()));
 133         connect(heightUnit, SIGNAL(selectionChanged(lyx::Length::UNIT)),
 134                 this, SLOT(change_adaptor()));
 135         connect(widthUnit, SIGNAL(selectionChanged(lyx::Length::UNIT)),
 136                 this, SLOT(change_adaptor()));
 137         connect(aspectratio, SIGNAL(stateChanged(int)),
 138                 this, SLOT(change_adaptor()));
 139         connect(angle, SIGNAL(textChanged(const QString &)),
 140                 this, SLOT(change_adaptor()));
 141         connect(origin, SIGNAL(activated(int)),
 142                 this, SLOT(change_adaptor()));
 143         connect(scaleCB, SIGNAL(clicked()),
 144                 this, SLOT(change_adaptor()));
 145         connect(Scale, SIGNAL(textChanged(const QString &)),
 146                 this, SLOT(change_adaptor()));
 147         connect(rotateOrderCB, SIGNAL(clicked()),
 148                 this, SLOT(change_adaptor()));
 149
 150         filename->setValidator(new PathValidator(true, filename));
 151         setFocusProxy(filename);
 152
 153         QDoubleValidator * scaleValidator =
 154                 new DoubleAutoValidator(Scale, qt_(autostr));
 155         scaleValidator->setBottom(0);
 156         scaleValidator->setDecimals(256); //I guess that will do
 157         Scale->setValidator(scaleValidator);
 158         Height->setValidator(unsignedLengthAutoValidator(Height, qt_(autostr)));
 159         Width->setValidator(unsignedLengthAutoValidator(Width, qt_(autostr)));
 160         angle->setValidator(new QDoubleValidator(-360, 360, 2, angle));
 161
 162         //clipping pane
 163         connect(clip, SIGNAL(stateChanged(int)),
 164                 this, SLOT(change_adaptor()));
 165         connect(lbY, SIGNAL(textChanged(const QString&)),
 166                 this, SLOT(changeBB()));
 167         connect(lbYunit, SIGNAL(activated(int)),
 168                 this, SLOT(changeBB()));
 169         connect(rtY, SIGNAL(textChanged(const QString&)),
 170                 this, SLOT(changeBB()));
 171         connect(rtYunit, SIGNAL(activated(int)),
 172                 this, SLOT(changeBB()));
 173         connect(lbX, SIGNAL(textChanged(const QString&)),
 174                 this, SLOT(changeBB()));
 175         connect(lbXunit, SIGNAL(activated(int)),
 176                 this, SLOT(changeBB()));
 177         connect(rtX, SIGNAL(textChanged(const QString&)),
 178                 this, SLOT(changeBB()));
 179         connect(rtXunit, SIGNAL(activated(int)),
 180                 this, SLOT(changeBB()));
 181         connect(getPB, SIGNAL(clicked()),
 182                 this, SLOT(change_adaptor()));
 183
 184         lbX->setValidator(new QDoubleValidator(lbX));
 185         lbY->setValidator(new QDoubleValidator(lbY));
 186         rtX->setValidator(new QDoubleValidator(rtX));
 187         rtY->setValidator(new QDoubleValidator(rtY));
 188
 189         //extra options pane
 190         connect(latexoptions, SIGNAL(textChanged(const QString&)),
 191                 this, SLOT(change_adaptor()));
 192         connect(draftCB, SIGNAL(stateChanged(int)),
 193                 this, SLOT(change_adaptor()));
 194         connect(unzipCB, SIGNAL(stateChanged(int)),
 195                 this, SLOT(change_adaptor()));
 196         // FIXME: we should connect to clicked() when we move to Qt 4.2 because
 197         // the toggled(bool) signal is also trigged when we update the widgets
 198         // (rgh-4/07) this isn't as much or a problem as it was, because we're now
 199         // using blockSignals() to keep from triggering that signal when we call
 200         // setChecked(). Note, too, that clicked() would get called whenever it
 201         // is clicked, even right clicked (I think), not just whenever it is
 202         // toggled.
 203         connect(displayGB, SIGNAL(toggled(bool)), this, SLOT(change_adaptor()));
 204         connect(displayscale, SIGNAL(textChanged(const QString&)),
 205                 this, SLOT(change_adaptor()));
 206         connect(groupCO, SIGNAL(currentIndexChanged(int)),
 207                 this, SLOT(changeGroup(int)));
 208
 209         displayscale->setValidator(new QIntValidator(displayscale));
 210
 211         bc().setPolicy(ButtonPolicy::NoRepeatedApplyReadOnlyPolicy);
 212         bc().setOK(okPB);
 213         bc().setApply(applyPB);
 214         bc().setRestore(restorePB);
 215         bc().setCancel(closePB);
 216
 217         bc().addReadOnly(latexoptions);
 218         bc().addReadOnly(filenameL);
 219         bc().addReadOnly(filename);
 220         bc().addReadOnly(browsePB);
 221         bc().addReadOnly(unzipCB);
 222         bc().addReadOnly(bbFrame);
 223         bc().addReadOnly(draftCB);
 224         bc().addReadOnly(clip);
 225         bc().addReadOnly(unzipCB);
 226         bc().addReadOnly(displayGB);
 227         bc().addReadOnly(sizeGB);
 228         bc().addReadOnly(rotationGB);
 229         bc().addReadOnly(latexoptions);
 230         bc().addReadOnly(getPB);
 231         bc().addReadOnly(rotateOrderCB);
 232
 233         // initialize the length validator
 234         bc().addCheckedLineEdit(Scale, scaleCB);
 235         bc().addCheckedLineEdit(Width, WidthCB);
 236         bc().addCheckedLineEdit(Height, HeightCB);
 237         bc().addCheckedLineEdit(displayscale, scaleLA);
 238         bc().addCheckedLineEdit(angle, angleL);
 239         bc().addCheckedLineEdit(lbX, xL);
 240         bc().addCheckedLineEdit(lbY, yL);
 241         bc().addCheckedLineEdit(rtX, xL_2);
 242         bc().addCheckedLineEdit(rtY, yL_2);
 243         bc().addCheckedLineEdit(filename, filenameL);
 244 }
 245
 246
 247 void GuiGraphics::change_adaptor()
 248 {
 249         changed();
 250 }
 251
 252
 253 void GuiGraphics::changeGroup(int /* index */)
 254 {
 255         QString const new_group = groupCO->itemData(
 256                 groupCO->currentIndex()).toString();
 257
 258         // check if the old group consisted only of this member
 259         if (current_group_ != fromqstr(new_group)
 260             && graphics::countGroupMembers(buffer(), current_group_) == 1) {
 261                 if (!new_group.isEmpty()) {
 262                         if (Alert::prompt(_("Dissolve previous group?"),
 263                                 bformat(_("If you assign this graphic to group '%2$s',\n"
 264                                           "the previously assigned group '%1$s' will be dissolved,\n"
 265                                           "because this graphic was its only member.\n"
 266                                           "How do you want to proceed?"),
 267                                         from_utf8(current_group_), qstring_to_ucs4(new_group)),
 268                                         0, 0,
 269                                         bformat(_("Stick with group '%1$s'"),
 270                                                 from_utf8(current_group_)),
 271                                         bformat(_("Assign to group '%1$s' anyway"),
 272                                                 qstring_to_ucs4(new_group))) == 0) {
 273                                 groupCO->setCurrentIndex(
 274                                         groupCO->findData(toqstr(current_group_), Qt::MatchExactly));
 275                                 return;
 276                         }
 277                 } else {
 278                         if (Alert::prompt(_("Dissolve previous group?"),
 279                         bformat(_("If you sign off this graphic from group '%1$s',\n"
 280                                   "the group will be dissolved,\n"
 281                                   "because this graphic was its only member.\n"
 282                                   "How do you want to proceed?"),
 283                                 from_utf8(current_group_)),
 284                                 0, 0,
 285                                 bformat(_("Stick with group '%1$s'"),
 286                                 from_utf8(current_group_)),
 287                                 bformat(_("Sign off from group '%1$s'"),
 288                                 from_utf8(current_group_))) == 0) {
 289                         groupCO->setCurrentIndex(
 290                                 groupCO->findData(toqstr(current_group_), Qt::MatchExactly));
 291                         return;
 292                         }
 293                 }
 294         }
 295
 296         if (new_group.isEmpty()) {
 297                 changed();
 298                 return;
 299         }
 300
 301         string grp = graphics::getGroupParams(buffer(), fromqstr(new_group));
 302         if (grp.empty()) {
 303                 // group does not exist yet
 304                 changed();
 305                 return;
 306         }
 307
 308         // filename might have been changed
 309         QString current_filename = filename->text();
 310
 311         // group exists: load params into the dialog
 312         groupCO->blockSignals(true);
 313         InsetGraphics::string2params(grp, buffer(), params_);
 314         paramsToDialog(params_);
 315         groupCO->blockSignals(false);
 316
 317         // reset filename
 318         filename->setText(current_filename);
 319
 320         changed();
 321 }
 322
 323
 324 void GuiGraphics::on_newGroupPB_clicked()
 325 {
 326         docstring newgroup;
 327         if (!Alert::askForText(newgroup, _("Enter unique group name:")))
 328                 return;
 329         if (newgroup.empty())
 330                 return;
 331         if (groupCO->findData(toqstr(newgroup), Qt::MatchExactly) != -1) {
 332                 Alert::warning(_("Group already defined!"),
 333                         bformat(_("A graphics group with the name '%1$s' already exists."),
 334                                 newgroup));
 335                 return;
 336         }
 337         groupCO->addItem(toqstr(newgroup), toqstr(newgroup));
 338         groupCO->setCurrentIndex(
 339                 groupCO->findData(toqstr(newgroup), Qt::MatchExactly));
 340 }
 341
 342
 343 void GuiGraphics::changeBB()
 344 {
 345         bbChanged = true;
 346         LYXERR(Debug::GRAPHICS, "[bb_Changed set to true]");
 347         changed();
 348 }
 349
 350
 351 void GuiGraphics::on_browsePB_clicked()
 352 {
 353         QString const str = browse(filename->text());
 354         if (!str.isEmpty()) {
 355                 filename->setText(str);
 356                 changed();
 357         }
 358 }
 359
 360
 361 void GuiGraphics::on_getPB_clicked()
 362 {
 363         getBB();
 364 }
 365
 366
 367 void GuiGraphics::setAutoText()
 368 {
 369         if (scaleCB->isChecked())
 370                 return;
 371         if (!Scale->isEnabled() && Scale->text() != "100")
 372                 Scale->setText(qt_(autostr));
 373
 374         setAutoTextCB(WidthCB, Width, widthUnit);
 375         setAutoTextCB(HeightCB, Height, heightUnit);
 376 }
 377
 378
 379 void GuiGraphics::on_scaleCB_toggled(bool setScale)
 380 {
 381         Scale->setEnabled(setScale);
 382         if (setScale) {
 383                 Scale->setText("100");
 384                 Scale->setFocus(Qt::OtherFocusReason);
 385         }
 386
 387         WidthCB->setDisabled(setScale);
 388         WidthCB->blockSignals(true);
 389         WidthCB->setChecked(false);
 390         WidthCB->blockSignals(false);
 391         Width->setEnabled(false);
 392         widthUnit->setEnabled(false);
 393
 394         HeightCB->setDisabled(setScale);
 395         HeightCB->blockSignals(true);
 396         HeightCB->setChecked(false);
 397         HeightCB->blockSignals(false);
 398         Height->setEnabled(false);
 399         heightUnit->setEnabled(false);
 400
 401         aspectratio->setDisabled(true);
 402         aspectratio->setChecked(true);
 403
 404         rotateOrderCB->setEnabled((WidthCB->isChecked() ||
 405                                  HeightCB->isChecked() ||
 406                                  scaleCB->isChecked()) &&
 407                                  (angle->text() != "0"));
 408
 409         setAutoText();
 410 }
 411
 412
 413 void GuiGraphics::on_WidthCB_toggled(bool setWidth)
 414 {
 415         Width->setEnabled(setWidth);
 416         widthUnit->setEnabled(setWidth);
 417         if (setWidth)
 418                 Width->setFocus(Qt::OtherFocusReason);
 419
 420         bool const setHeight = HeightCB->isChecked();
 421         aspectratio->setEnabled(setWidth && setHeight);
 422         aspectratio->blockSignals(true);
 423         aspectratio->setChecked(!(setWidth && setHeight));
 424         aspectratio->blockSignals(false);
 425
 426         scaleCB->setEnabled(!setWidth && !setHeight);
 427         //already will be unchecked, so don't need to do that
 428         Scale->setEnabled((!setWidth && !setHeight) //=scaleCB->isEnabled()
 429                         && scaleCB->isChecked()); //should be false, but let's check
 430         rotateOrderCB->setEnabled((setWidth || setHeight ||
 431                                  scaleCB->isChecked()) &&
 432                                  (angle->text() != "0"));
 433
 434         setAutoText();
 435 }
 436
 437
 438 void GuiGraphics::on_HeightCB_toggled(bool setHeight)
 439 {
 440         Height->setEnabled(setHeight);
 441         heightUnit->setEnabled(setHeight);
 442         if (setHeight)
 443                 Height->setFocus(Qt::OtherFocusReason);
 444
 445         bool const setWidth = WidthCB->isChecked();
 446         aspectratio->setEnabled(setWidth && setHeight);
 447         aspectratio->blockSignals(true);
 448         aspectratio->setChecked(!(setWidth && setHeight));
 449         aspectratio->blockSignals(false);
 450
 451         scaleCB->setEnabled(!setWidth && !setHeight);
 452         //already unchecked
 453         Scale->setEnabled((!setWidth && !setHeight) //=scaleCB->isEnabled()
 454                 && scaleCB->isChecked()); //should be false
 455         rotateOrderCB->setEnabled((setWidth || setHeight ||
 456                                  scaleCB->isChecked()) &&
 457                                  (angle->text() != "0"));
 458
 459         setAutoText();
 460 }
 461
 462
 463 void GuiGraphics::on_angle_textChanged(const QString & filename)
 464 {
 465         rotateOrderCB->setEnabled((WidthCB->isChecked() ||
 466                                  HeightCB->isChecked() ||
 467                                  scaleCB->isChecked()) &&
 468                                  (filename != "0"));
 469 }
 470
 471
 472 void GuiGraphics::paramsToDialog(InsetGraphicsParams const & igp)
 473 {
 474         static char const * const bb_units[] = { "bp", "cm", "mm", "in" };
 475         static char const * const bb_units_gui[] = { N_("bp"), N_("cm"), N_("mm"), N_("in[[unit of measure]]") };
 476         size_t const bb_size = sizeof(bb_units) / sizeof(bb_units[0]);
 477
 478         lbXunit->clear();
 479         lbYunit->clear();
 480         rtXunit->clear();
 481         rtYunit->clear();
 482
 483         for (size_t i = 0; i < bb_size; i++) {
 484                 lbXunit->addItem(qt_(bb_units_gui[i]),
 485                         toqstr(bb_units[i]));
 486                 lbYunit->addItem(qt_(bb_units_gui[i]),
 487                         toqstr(bb_units[i]));
 488                 rtXunit->addItem(qt_(bb_units_gui[i]),
 489                         toqstr(bb_units[i]));
 490                 rtYunit->addItem(qt_(bb_units_gui[i]),
 491                         toqstr(bb_units[i]));
 492         }
 493
 494         // set the right default unit
 495         Length::UNIT const defaultUnit = Length::defaultUnit();
 496
 497         //lyxerr << bufferFilePath();
 498         string const name =
 499                 igp.filename.outputFileName(fromqstr(bufferFilePath()));
 500         filename->setText(toqstr(name));
 501
 502         // set the bounding box values
 503         if (igp.bb.empty()) {
 504                 string const bb = readBoundingBox(igp.filename.absFileName());
 505                 // the values from the file always have the bigpoint-unit bp
 506                 doubleToWidget(lbX, token(bb, ' ', 0));
 507                 doubleToWidget(lbY, token(bb, ' ', 1));
 508                 doubleToWidget(rtX, token(bb, ' ', 2));
 509                 doubleToWidget(rtY, token(bb, ' ', 3));
 510                 lbXunit->setCurrentIndex(0);
 511                 lbYunit->setCurrentIndex(0);
 512                 rtXunit->setCurrentIndex(0);
 513                 rtYunit->setCurrentIndex(0);
 514                 bbChanged = false;
 515         } else {
 516                 // get the values from the inset
 517                 Length anyLength;
 518                 string const xl = token(igp.bb, ' ', 0);
 519                 string const yl = token(igp.bb, ' ', 1);
 520                 string const xr = token(igp.bb, ' ', 2);
 521                 string const yr = token(igp.bb, ' ', 3);
 522                 if (isValidLength(xl, &anyLength)) {
 523                         doubleToWidget(lbX, anyLength.value());
 524                         string const unit = unit_name[anyLength.unit()];
 525                         lbXunit->setCurrentIndex(lbXunit->findData(toqstr(unit)));
 526                 } else {
 527                         lbX->setText(toqstr(xl));
 528                 }
 529                 if (isValidLength(yl, &anyLength)) {
 530                         doubleToWidget(lbY, anyLength.value());
 531                         string const unit = unit_name[anyLength.unit()];
 532                         lbYunit->setCurrentIndex(lbYunit->findData(toqstr(unit)));
 533                 } else {
 534                         lbY->setText(toqstr(xl));
 535                 }
 536                 if (isValidLength(xr, &anyLength)) {
 537                         doubleToWidget(rtX, anyLength.value());
 538                         string const unit = unit_name[anyLength.unit()];
 539                         rtXunit->setCurrentIndex(rtXunit->findData(toqstr(unit)));
 540                 } else {
 541                         rtX->setText(toqstr(xl));
 542                 }
 543                 if (isValidLength(yr, &anyLength)) {
 544                         doubleToWidget(rtY, anyLength.value());
 545                         string const unit = unit_name[anyLength.unit()];
 546                         rtYunit->setCurrentIndex(rtYunit->findData(toqstr(unit)));
 547                 } else {
 548                         rtY->setText(toqstr(xl));
 549                 }
 550                 bbChanged = true;
 551         }
 552
 553         // Update the draft and clip mode
 554         draftCB->setChecked(igp.draft);
 555         clip->setChecked(igp.clip);
 556         unzipCB->setChecked(igp.noUnzip);
 557         displayGB->setChecked(igp.display);
 558         displayscale->setText(toqstr(convert<string>(igp.lyxscale)));
 559
 560         // the output section (width/height)
 561
 562         doubleToWidget(Scale, igp.scale);
 563         //igp.scale defaults to 100, so we treat it as empty
 564         bool const scaleChecked = !igp.scale.empty() && igp.scale != "100";
 565         scaleCB->blockSignals(true);
 566         scaleCB->setChecked(scaleChecked);
 567         scaleCB->blockSignals(false);
 568         Scale->setEnabled(scaleChecked);
 569         displayGB->setEnabled(lyxrc.display_graphics);
 570
 571         set<string> grp;
 572         graphics::getGraphicsGroups(buffer(), grp);
 573         set<string>::const_iterator it = grp.begin();
 574         set<string>::const_iterator end = grp.end();
 575         groupCO->blockSignals(true);
 576         groupCO->clear();
 577         for (; it != end; it++)
 578                 groupCO->addItem(toqstr(*it), toqstr(*it));
 579         groupCO->insertItem(0, qt_("None"), QString());
 580         if (igp.groupId.empty())
 581                 groupCO->setCurrentIndex(0);
 582         else
 583                 groupCO->setCurrentIndex(
 584                         groupCO->findData(toqstr(igp.groupId), Qt::MatchExactly));
 585         groupCO->blockSignals(false);
 586
 587         if (igp.width.value() == 0)
 588                 lengthToWidgets(Width, widthUnit, _(autostr), defaultUnit);
 589         else
 590                 lengthToWidgets(Width, widthUnit, igp.width, defaultUnit);
 591
 592         bool const widthChecked = !Width->text().isEmpty() &&
 593                 Width->text() != qt_(autostr);
 594         WidthCB->blockSignals(true);
 595         WidthCB->setChecked(widthChecked);
 596         WidthCB->blockSignals(false);
 597         Width->setEnabled(widthChecked);
 598         widthUnit->setEnabled(widthChecked);
 599
 600         if (igp.height.value() == 0)
 601                 lengthToWidgets(Height, heightUnit, _(autostr), defaultUnit);
 602         else
 603                 lengthToWidgets(Height, heightUnit, igp.height, defaultUnit);
 604
 605         bool const heightChecked = !Height->text().isEmpty()
 606                 && Height->text() != qt_(autostr);
 607         HeightCB->blockSignals(true);
 608         HeightCB->setChecked(heightChecked);
 609         HeightCB->blockSignals(false);
 610         Height->setEnabled(heightChecked);
 611         heightUnit->setEnabled(heightChecked);
 612
 613         scaleCB->setEnabled(!widthChecked && !heightChecked);
 614         WidthCB->setEnabled(!scaleChecked);
 615         HeightCB->setEnabled(!scaleChecked);
 616         aspectratio->setEnabled(widthChecked && heightChecked);
 617
 618         setAutoText();
 619
 620         doubleToWidget(angle, igp.rotateAngle);
 621         rotateOrderCB->setChecked(igp.scaleBeforeRotation);
 622
 623         rotateOrderCB->setEnabled( (widthChecked || heightChecked || scaleChecked)
 624                 && igp.rotateAngle != "0");
 625
 626         origin->clear();
 627
 628         for (size_t i = 0; i < rorigin_size; i++) {
 629                 origin->addItem(qt_(rorigin_gui_strs[i]),
 630                         toqstr(rorigin_lyx_strs[i]));
 631         }
 632
 633         if (!igp.rotateOrigin.empty())
 634                 origin->setCurrentIndex(origin->findData(toqstr(igp.rotateOrigin)));
 635         else
 636                 origin->setCurrentIndex(0);
 637
 638         // latex section
 639         latexoptions->setText(toqstr(igp.special));
 640         // cf bug #3852
 641         filename->setFocus();
 642 }
 643
 644
 645 void GuiGraphics::applyView()
 646 {
 647         InsetGraphicsParams & igp = params_;
 648
 649         igp.filename.set(fromqstr(filename->text()), fromqstr(bufferFilePath()));
 650
 651         // the bb section
 652         igp.bb.erase();
 653         if (bbChanged) {
 654                 string bb;
 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                                 bb = "0 ";
 665                         else
 666                                 bb = lbXs + fromqstr(lbXunit->currentText()) + ' ';
 667                         if (lbYs.empty())
 668                                 bb += "0 ";
 669                         else
 670                                 bb += (lbYs + fromqstr(lbYunit->currentText()) + ' ');
 671                         if (rtXs.empty())
 672                                 bb += "0 ";
 673                         else
 674                                 bb += (rtXs + fromqstr(rtXunit->currentText()) + ' ');
 675                         if (rtYs.empty())
 676                                 bb += '0';
 677                         else
 678                                 bb += (rtYs + fromqstr(rtYunit->currentText()));
 679                         igp.bb = bb;
 680                 }
 681         }
 682
 683         igp.draft = draftCB->isChecked();
 684         igp.clip = clip->isChecked();
 685         igp.display = displayGB->isChecked();
 686
 687         //the graphics section
 688         if (scaleCB->isChecked() && !Scale->text().isEmpty()) {
 689                 igp.scale = widgetToDoubleStr(Scale);
 690                 igp.width = Length("0pt");
 691                 igp.height = Length("0pt");
 692                 igp.keepAspectRatio = false;
 693         } else {
 694                 igp.scale = string();
 695                 igp.width = WidthCB->isChecked() ?
 696                         //Note that this works even if Width is "auto", since in
 697                         //that case we get "0pt".
 698                         Length(widgetsToLength(Width, widthUnit)):
 699                         Length("0pt");
 700                 igp.height = HeightCB->isChecked() ?
 701                         Length(widgetsToLength(Height, heightUnit)) :
 702                         Length("0pt");
 703                 igp.keepAspectRatio = aspectratio->isEnabled() &&
 704                         aspectratio->isChecked() &&
 705                         igp.width.value() > 0 && igp.height.value() > 0;
 706         }
 707
 708         igp.noUnzip = unzipCB->isChecked();
 709         igp.lyxscale = displayscale->text().toInt();
 710         igp.rotateAngle = widgetToDoubleStr(angle);
 711
 712         double rotAngle = widgetToDouble(angle);
 713         if (abs(rotAngle) > 360.0) {
 714                 rotAngle -= 360.0 * floor(rotAngle / 360.0);
 715                 igp.rotateAngle = convert<string>(rotAngle);
 716         }
 717
 718         // save the latex name for the origin. If it is the default
 719         // then origin_ltx returns ""
 720         igp.rotateOrigin =
 721                 fromqstr(origin->itemData(origin->currentIndex()).toString());
 722         igp.scaleBeforeRotation = rotateOrderCB->isChecked();
 723
 724         // more latex options
 725         igp.special = fromqstr(latexoptions->text());
 726
 727         igp.groupId = fromqstr(groupCO->itemData(
 728                 groupCO->currentIndex()).toString());
 729         current_group_ = igp.groupId;
 730 }
 731
 732
 733 void GuiGraphics::getBB()
 734 {
 735         string const fn = fromqstr(filename->text());
 736         if (fn.empty())
 737                 return;
 738         string const bb = readBoundingBox(fn);
 739         bbChanged = false;
 740         if (bb.empty())
 741                 return;
 742         doubleToWidget(lbX, token(bb, ' ', 0));
 743         doubleToWidget(lbY, token(bb, ' ', 1));
 744         doubleToWidget(rtX, token(bb, ' ', 2));
 745         doubleToWidget(rtY, token(bb, ' ', 3));
 746         // the default units for the bb values when reading
 747         // it from the file
 748         lbXunit->setCurrentIndex(0);
 749         lbYunit->setCurrentIndex(0);
 750         rtXunit->setCurrentIndex(0);
 751         rtYunit->setCurrentIndex(0);
 752 }
 753
 754
 755 bool GuiGraphics::isValid()
 756 {
 757         return !filename->text().isEmpty();
 758 }
 759
 760
 761 bool GuiGraphics::initialiseParams(string const & data)
 762 {
 763         InsetGraphics::string2params(data, buffer(), params_);
 764         paramsToDialog(params_);
 765         current_group_ = params_.groupId;
 766         return true;
 767 }
 768
 769
 770 void GuiGraphics::clearParams()
 771 {
 772         params_ = InsetGraphicsParams();
 773 }
 774
 775
 776 void GuiGraphics::dispatchParams()
 777 {
 778         InsetGraphicsParams tmp_params(params_);
 779         string const lfun = InsetGraphics::params2string(tmp_params, buffer());
 780         dispatch(FuncRequest(getLfun(), lfun));
 781 }
 782
 783
 784 QString GuiGraphics::browse(QString const & in_name) const
 785 {
 786         QString const title = qt_("Select graphics file");
 787
 788         // Does user clipart directory exist?
 789         string clipdir = addName(package().user_support().absFileName(), "clipart");
 790         FileName clip(clipdir);
 791
 792         // bail out to system clipart directory
 793         if (!clip.isDirectory())
 794                 clipdir = addName(package().system_support().absFileName(), "clipart");
 795
 796         return browseRelFile(in_name, bufferFilePath(),
 797                 title, fileFilters(QString()), false,
 798                 qt_("Clipart|#C#c"), toqstr(clipdir),
 799                 qt_("Documents|#o#O"), toqstr(lyxrc.document_path));
 800 }
 801
 802
 803 string GuiGraphics::readBoundingBox(string const & file)
 804 {
 805         FileName const abs_file = support::makeAbsPath(file, fromqstr(bufferFilePath()));
 806
 807         // try to get it from the file, if possible. Zipped files are
 808         // unzipped in the readBB_from_PSFile-Function
 809         string const bb = readBB_from_PSFile(abs_file);
 810         if (!bb.empty())
 811                 return bb;
 812
 813         // we don't, so ask the Graphics Cache if it has loaded the file
 814         int width = 0;
 815         int height = 0;
 816
 817         graphics::Cache & gc = graphics::Cache::get();
 818         if (gc.inCache(abs_file)) {
 819                 graphics::Image const * image = gc.item(abs_file)->image();
 820
 821                 if (image) {
 822                         width  = image->width();
 823                         height = image->height();
 824                 }
 825         }
 826
 827         return ("0 0 " + convert<string>(width) + ' ' + convert<string>(height));
 828 }
 829
 830
 831 bool GuiGraphics::isFileNameValid(string const & fname) const
 832 {
 833         // It may be that the filename is relative.
 834         return support::makeAbsPath(fname, fromqstr(bufferFilePath())).isReadableFile();
 835 }
 836
 837
 838 Dialog * createGuiGraphics(GuiView & lv) { return new GuiGraphics(lv); }
 839
 840
 841 } // namespace frontend
 842 } // namespace lyx
 843
 844 #include "moc_GuiGraphics.cpp"