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 #include "Undo.h"
  28
  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 autostr = N_("automatically");
  79
  80 } // namespace anon
  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 template<class Pair>
 113 vector<typename Pair::first_type> getFirst(vector<Pair> const & pr)
 114 {
 115         size_t const n = pr.size();
 116         vector<typename Pair::first_type> tmp(n);
 117         for (size_t i = 0; i != n; ++i)
 118                 tmp[i] = pr[i].first;
 119         return tmp;
 120 }
 121
 122
 123 ///
 124 template<class Pair>
 125 vector<typename Pair::second_type> getSecond(vector<Pair> const & pr)
 126 {
 127         size_t const n = pr.size();
 128         vector<typename Pair::second_type> tmp(n);
 129         for (size_t i = 0; i != n; ++i)
 130                 tmp[i] = pr[i].second;
 131         return tmp;
 132 }
 133
 134
 135 /// The (tranlated) GUI string and it's LaTeX equivalent.
 136 typedef pair<docstring, string> RotationOriginPair;
 137 ///
 138 vector<RotationOriginPair> getRotationOriginData()
 139 {
 140         static vector<RotationOriginPair> data;
 141         if (!data.empty())
 142                 return data;
 143
 144         data.resize(rorigin_size);
 145         for (size_type i = 0; i < rorigin_size; ++i) {
 146                 data[i] = make_pair(_(rorigin_gui_strs[i]),
 147                                     rorigin_lyx_strs[i]);
 148         }
 149
 150         return data;
 151 }
 152
 153
 154
 155 GuiGraphics::GuiGraphics(GuiView & lv)
 156         : GuiDialog(lv, "graphics", qt_("Graphics"))
 157 {
 158         setupUi(this);
 159
 160         //main buttons
 161         connect(okPB, SIGNAL(clicked()), this, SLOT(slotOK()));
 162         connect(applyPB, SIGNAL(clicked()), this, SLOT(slotApply()));
 163         connect(closePB, SIGNAL(clicked()), this, SLOT(slotClose()));
 164         connect(restorePB, SIGNAL(clicked()), this, SLOT(slotRestore()));
 165
 166         //graphics pane
 167         connect(filename, SIGNAL(textChanged(const QString &)),
 168                 this, SLOT(change_adaptor()));
 169         connect(WidthCB, SIGNAL(clicked()),
 170                 this, SLOT(change_adaptor()));
 171         connect(HeightCB, SIGNAL(clicked()),
 172                 this, SLOT(change_adaptor()));
 173         connect(Width, SIGNAL(textChanged(const QString &)),
 174                 this, SLOT(change_adaptor()));
 175         connect(Height, SIGNAL(textChanged(const QString &)),
 176                 this, SLOT(change_adaptor()));
 177         connect(heightUnit, SIGNAL(selectionChanged(lyx::Length::UNIT)),
 178                 this, SLOT(change_adaptor()));
 179         connect(widthUnit, SIGNAL(selectionChanged(lyx::Length::UNIT)),
 180                 this, SLOT(change_adaptor()));
 181         connect(aspectratio, SIGNAL(stateChanged(int)),
 182                 this, SLOT(change_adaptor()));
 183         connect(angle, SIGNAL(textChanged(const QString &)),
 184                 this, SLOT(change_adaptor()));
 185         connect(origin, SIGNAL(activated(int)),
 186                 this, SLOT(change_adaptor()));
 187         connect(scaleCB, SIGNAL(clicked()),
 188                 this, SLOT(change_adaptor()));
 189         connect(Scale, SIGNAL(textChanged(const QString &)),
 190                 this, SLOT(change_adaptor()));
 191         connect(rotateOrderCB, SIGNAL(clicked()),
 192                 this, SLOT(change_adaptor()));
 193
 194         filename->setValidator(new PathValidator(true, filename));
 195         setFocusProxy(filename);
 196
 197         QDoubleValidator * scaleValidator =
 198                 new DoubleAutoValidator(Scale, qt_(autostr));
 199         scaleValidator->setBottom(0);
 200         scaleValidator->setDecimals(256); //I guess that will do
 201         Scale->setValidator(scaleValidator);
 202         Height->setValidator(unsignedLengthAutoValidator(Height, qt_(autostr)));
 203         Width->setValidator(unsignedLengthAutoValidator(Width, qt_(autostr)));
 204         angle->setValidator(new QDoubleValidator(-360, 360, 2, angle));
 205
 206         //clipping pane
 207         connect(clip, SIGNAL(stateChanged(int)),
 208                 this, SLOT(change_adaptor()));
 209         connect(lbY, SIGNAL(textChanged(const QString&)),
 210                 this, SLOT(changeBB()));
 211         connect(lbYunit, SIGNAL(activated(int)),
 212                 this, SLOT(changeBB()));
 213         connect(rtY, SIGNAL(textChanged(const QString&)),
 214                 this, SLOT(changeBB()));
 215         connect(rtYunit, SIGNAL(activated(int)),
 216                 this, SLOT(changeBB()));
 217         connect(lbX, SIGNAL(textChanged(const QString&)),
 218                 this, SLOT(changeBB()));
 219         connect(lbXunit, SIGNAL(activated(int)),
 220                 this, SLOT(changeBB()));
 221         connect(rtX, SIGNAL(textChanged(const QString&)),
 222                 this, SLOT(changeBB()));
 223         connect(rtXunit, SIGNAL(activated(int)),
 224                 this, SLOT(changeBB()));
 225         connect(getPB, SIGNAL(clicked()),
 226                 this, SLOT(change_adaptor()));
 227
 228         lbX->setValidator(new QDoubleValidator(lbX));
 229         lbY->setValidator(new QDoubleValidator(lbY));
 230         rtX->setValidator(new QDoubleValidator(rtX));
 231         rtY->setValidator(new QDoubleValidator(rtY));
 232
 233         //extra options pane
 234         connect(latexoptions, SIGNAL(textChanged(const QString&)),
 235                 this, SLOT(change_adaptor()));
 236         connect(draftCB, SIGNAL(stateChanged(int)),
 237                 this, SLOT(change_adaptor()));
 238         connect(unzipCB, SIGNAL(stateChanged(int)),
 239                 this, SLOT(change_adaptor()));
 240         // FIXME: we should connect to clicked() when we move to Qt 4.2 because
 241         // the toggled(bool) signal is also trigged when we update the widgets
 242         // (rgh-4/07) this isn't as much or a problem as it was, because we're now
 243         // using blockSignals() to keep from triggering that signal when we call
 244         // setChecked(). Note, too, that clicked() would get called whenever it
 245         // is clicked, even right clicked (I think), not just whenever it is
 246         // toggled.
 247         connect(displayGB, SIGNAL(toggled(bool)), this, SLOT(change_adaptor()));
 248         connect(displayscale, SIGNAL(textChanged(const QString&)),
 249                 this, SLOT(change_adaptor()));
 250         connect(groupCO, SIGNAL(currentIndexChanged(int)),
 251                 this, SLOT(changeGroup(int)));
 252
 253         displayscale->setValidator(new QIntValidator(displayscale));
 254
 255         bc().setPolicy(ButtonPolicy::NoRepeatedApplyReadOnlyPolicy);
 256         bc().setOK(okPB);
 257         bc().setApply(applyPB);
 258         bc().setRestore(restorePB);
 259         bc().setCancel(closePB);
 260
 261         bc().addReadOnly(latexoptions);
 262         bc().addReadOnly(filenameL);
 263         bc().addReadOnly(filename);
 264         bc().addReadOnly(browsePB);
 265         bc().addReadOnly(unzipCB);
 266         bc().addReadOnly(bbFrame);
 267         bc().addReadOnly(draftCB);
 268         bc().addReadOnly(clip);
 269         bc().addReadOnly(unzipCB);
 270         bc().addReadOnly(displayGB);
 271         bc().addReadOnly(sizeGB);
 272         bc().addReadOnly(rotationGB);
 273         bc().addReadOnly(latexoptions);
 274         bc().addReadOnly(getPB);
 275         bc().addReadOnly(rotateOrderCB);
 276
 277         // initialize the length validator
 278         bc().addCheckedLineEdit(Scale, scaleCB);
 279         bc().addCheckedLineEdit(Width, WidthCB);
 280         bc().addCheckedLineEdit(Height, HeightCB);
 281         bc().addCheckedLineEdit(displayscale, scaleLA);
 282         bc().addCheckedLineEdit(angle, angleL);
 283         bc().addCheckedLineEdit(lbX, xL);
 284         bc().addCheckedLineEdit(lbY, yL);
 285         bc().addCheckedLineEdit(rtX, xL_2);
 286         bc().addCheckedLineEdit(rtY, yL_2);
 287         bc().addCheckedLineEdit(filename, filenameL);
 288 }
 289
 290
 291 void GuiGraphics::change_adaptor()
 292 {
 293         changed();
 294 }
 295
 296
 297 void GuiGraphics::changeGroup(int /* index */)
 298 {
 299         QString const new_group = groupCO->itemData(
 300                 groupCO->currentIndex()).toString();
 301
 302         // check if the old group consisted only of this member
 303         if (current_group_ != fromqstr(new_group)
 304             && graphics::countGroupMembers(buffer(), current_group_) == 1) {
 305                 if (!new_group.isEmpty()) {
 306                         if (Alert::prompt(_("Dissolve previous group?"),
 307                                 bformat(_("If you assign this graphic to group '%2$s',\n"
 308                                           "the previously assigned group '%1$s' will be dissolved,\n"
 309                                           "because this graphic was its only member.\n"
 310                                           "How do you want to proceed?"),
 311                                         from_utf8(current_group_), qstring_to_ucs4(new_group)),
 312                                         0, 0,
 313                                         bformat(_("Stick with group '%1$s'"),
 314                                                 from_utf8(current_group_)),
 315                                         bformat(_("Assign to group '%1$s' anyway"),
 316                                                 qstring_to_ucs4(new_group))) == 0) {
 317                                 groupCO->setCurrentIndex(
 318                                         groupCO->findData(toqstr(current_group_), Qt::MatchExactly));
 319                                 return;
 320                         }
 321                 } else {
 322                         if (Alert::prompt(_("Dissolve previous group?"),
 323                         bformat(_("If you sign off this graphic from group '%1$s',\n"
 324                                   "the group will be dissolved,\n"
 325                                   "because this graphic was its only member.\n"
 326                                   "How do you want to proceed?"),
 327                                 from_utf8(current_group_)),
 328                                 0, 0,
 329                                 bformat(_("Stick with group '%1$s'"),
 330                                 from_utf8(current_group_)),
 331                                 bformat(_("Sign off from group '%1$s'"),
 332                                 from_utf8(current_group_))) == 0) {
 333                         groupCO->setCurrentIndex(
 334                                 groupCO->findData(toqstr(current_group_), Qt::MatchExactly));
 335                         return;
 336                         }
 337                 }
 338         }
 339
 340         if (new_group.isEmpty()) {
 341                 changed();
 342                 return;
 343         }
 344
 345         string grp = graphics::getGroupParams(buffer(), fromqstr(new_group));
 346         if (grp.empty()) {
 347                 // group does not exist yet
 348                 changed();
 349                 return;
 350         }
 351
 352         // filename might have been changed
 353         QString current_filename = filename->text();
 354
 355         // group exists: load params into the dialog
 356         groupCO->blockSignals(true);
 357         InsetGraphics::string2params(grp, buffer(), params_);
 358         paramsToDialog(params_);
 359         groupCO->blockSignals(false);
 360
 361         // reset filename
 362         filename->setText(current_filename);
 363
 364         changed();
 365 }
 366
 367
 368 void GuiGraphics::on_newGroupPB_clicked()
 369 {
 370         docstring newgroup;
 371         if (!Alert::askForText(newgroup, _("Enter unique group name:")))
 372                 return;
 373         if (newgroup.empty())
 374                 return;
 375         if (groupCO->findData(toqstr(newgroup), Qt::MatchExactly) != -1) {
 376                 Alert::warning(_("Group already defined!"),
 377                         bformat(_("A graphics group with the name '%1$s' already exists."),
 378                                 newgroup));
 379                 return;
 380         }
 381         groupCO->addItem(toqstr(newgroup), toqstr(newgroup));
 382         groupCO->setCurrentIndex(
 383                 groupCO->findData(toqstr(newgroup), Qt::MatchExactly));
 384 }
 385
 386
 387 void GuiGraphics::changeBB()
 388 {
 389         bbChanged = true;
 390         LYXERR(Debug::GRAPHICS, "[bb_Changed set to true]");
 391         changed();
 392 }
 393
 394
 395 void GuiGraphics::on_browsePB_clicked()
 396 {
 397         QString const str = browse(filename->text());
 398         if (!str.isEmpty()) {
 399                 filename->setText(str);
 400                 changed();
 401         }
 402 }
 403
 404
 405 void GuiGraphics::on_getPB_clicked()
 406 {
 407         getBB();
 408 }
 409
 410
 411 void GuiGraphics::setAutoText()
 412 {
 413         if (scaleCB->isChecked())
 414                 return;
 415         if (!Scale->isEnabled() && Scale->text() != "100")
 416                 Scale->setText(qt_(autostr));
 417
 418         setAutoTextCB(WidthCB, Width, widthUnit);
 419         setAutoTextCB(HeightCB, Height, heightUnit);
 420 }
 421
 422
 423 void GuiGraphics::on_scaleCB_toggled(bool setScale)
 424 {
 425         Scale->setEnabled(setScale);
 426         if (setScale) {
 427                 Scale->setText("100");
 428                 Scale->setFocus(Qt::OtherFocusReason);
 429         }
 430
 431         WidthCB->setDisabled(setScale);
 432         WidthCB->blockSignals(true);
 433         WidthCB->setChecked(false);
 434         WidthCB->blockSignals(false);
 435         Width->setEnabled(false);
 436         widthUnit->setEnabled(false);
 437
 438         HeightCB->setDisabled(setScale);
 439         HeightCB->blockSignals(true);
 440         HeightCB->setChecked(false);
 441         HeightCB->blockSignals(false);
 442         Height->setEnabled(false);
 443         heightUnit->setEnabled(false);
 444
 445         aspectratio->setDisabled(true);
 446         aspectratio->setChecked(true);
 447
 448         rotateOrderCB->setEnabled((WidthCB->isChecked() ||
 449                                  HeightCB->isChecked() ||
 450                                  scaleCB->isChecked()) &&
 451                                  (angle->text() != "0"));
 452
 453         setAutoText();
 454 }
 455
 456
 457 void GuiGraphics::on_WidthCB_toggled(bool setWidth)
 458 {
 459         Width->setEnabled(setWidth);
 460         widthUnit->setEnabled(setWidth);
 461         if (setWidth)
 462                 Width->setFocus(Qt::OtherFocusReason);
 463
 464         bool const setHeight = HeightCB->isChecked();
 465         aspectratio->setEnabled(setWidth && setHeight);
 466         aspectratio->blockSignals(true);
 467         aspectratio->setChecked(!(setWidth && setHeight));
 468         aspectratio->blockSignals(false);
 469
 470         scaleCB->setEnabled(!setWidth && !setHeight);
 471         //already will be unchecked, so don't need to do that
 472         Scale->setEnabled((!setWidth && !setHeight) //=scaleCB->isEnabled()
 473                         && scaleCB->isChecked()); //should be false, but let's check
 474         rotateOrderCB->setEnabled((setWidth || setHeight ||
 475                                  scaleCB->isChecked()) &&
 476                                  (angle->text() != "0"));
 477
 478         setAutoText();
 479 }
 480
 481
 482 void GuiGraphics::on_HeightCB_toggled(bool setHeight)
 483 {
 484         Height->setEnabled(setHeight);
 485         heightUnit->setEnabled(setHeight);
 486         if (setHeight)
 487                 Height->setFocus(Qt::OtherFocusReason);
 488
 489         bool const setWidth = WidthCB->isChecked();
 490         aspectratio->setEnabled(setWidth && setHeight);
 491         aspectratio->blockSignals(true);
 492         aspectratio->setChecked(!(setWidth && setHeight));
 493         aspectratio->blockSignals(false);
 494
 495         scaleCB->setEnabled(!setWidth && !setHeight);
 496         //already unchecked
 497         Scale->setEnabled((!setWidth && !setHeight) //=scaleCB->isEnabled()
 498                 && scaleCB->isChecked()); //should be false
 499         rotateOrderCB->setEnabled((setWidth || setHeight ||
 500                                  scaleCB->isChecked()) &&
 501                                  (angle->text() != "0"));
 502
 503         setAutoText();
 504 }
 505
 506
 507 void GuiGraphics::on_angle_textChanged(const QString & filename)
 508 {
 509         rotateOrderCB->setEnabled((WidthCB->isChecked() ||
 510                                  HeightCB->isChecked() ||
 511                                  scaleCB->isChecked()) &&
 512                                  (filename != "0"));
 513 }
 514
 515 // returns the number of the string s in the vector v
 516 static int itemNumber(const vector<string> & v, string const & s)
 517 {
 518         vector<string>::const_iterator cit =
 519                     find(v.begin(), v.end(), s);
 520         return (cit != v.end()) ? int(cit - v.begin()) : 0;
 521 }
 522
 523
 524 void GuiGraphics::paramsToDialog(InsetGraphicsParams const & igp)
 525 {
 526         static char const * const bb_units[] = { "bp", "cm", "mm", "in" };
 527         size_t const bb_size = sizeof(bb_units) / sizeof(bb_units[0]);
 528
 529         vector<string> const units = vector<string>(bb_units, bb_units + bb_size);
 530         lbXunit->clear();
 531         lbYunit->clear();
 532         rtXunit->clear();
 533         rtYunit->clear();
 534         for (vector<string>::const_iterator it = units.begin();
 535             it != units.end(); ++it) {
 536                 lbXunit->addItem(toqstr(*it));
 537                 lbYunit->addItem(toqstr(*it));
 538                 rtXunit->addItem(toqstr(*it));
 539                 rtYunit->addItem(toqstr(*it));
 540         }
 541
 542         // set the right default unit
 543         Length::UNIT const defaultUnit = Length::defaultUnit();
 544
 545         //lyxerr << bufferFilepath();
 546         string const name =
 547                 igp.filename.outputFilename(fromqstr(bufferFilepath()));
 548         filename->setText(toqstr(name));
 549
 550         // set the bounding box values
 551         if (igp.bb.empty()) {
 552                 string const bb = readBoundingBox(igp.filename.absFilename());
 553                 // the values from the file always have the bigpoint-unit bp
 554                 lbX->setText(toqstr(token(bb, ' ', 0)));
 555                 lbY->setText(toqstr(token(bb, ' ', 1)));
 556                 rtX->setText(toqstr(token(bb, ' ', 2)));
 557                 rtY->setText(toqstr(token(bb, ' ', 3)));
 558                 lbXunit->setCurrentIndex(0);
 559                 lbYunit->setCurrentIndex(0);
 560                 rtXunit->setCurrentIndex(0);
 561                 rtYunit->setCurrentIndex(0);
 562                 bbChanged = false;
 563         } else {
 564                 // get the values from the inset
 565                 Length anyLength;
 566                 string const xl = token(igp.bb, ' ', 0);
 567                 string const yl = token(igp.bb, ' ', 1);
 568                 string const xr = token(igp.bb, ' ', 2);
 569                 string const yr = token(igp.bb, ' ', 3);
 570                 if (isValidLength(xl, &anyLength)) {
 571                         lbX->setText(toqstr(convert<string>(anyLength.value())));
 572                         string const unit = unit_name[anyLength.unit()];
 573                         lbXunit->setCurrentIndex(itemNumber(units, unit));
 574                 } else {
 575                         lbX->setText(toqstr(xl));
 576                 }
 577                 if (isValidLength(yl, &anyLength)) {
 578                         lbY->setText(toqstr(convert<string>(anyLength.value())));
 579                         string const unit = unit_name[anyLength.unit()];
 580                         lbYunit->setCurrentIndex(itemNumber(units, unit));
 581                 } else {
 582                         lbY->setText(toqstr(xl));
 583                 }
 584                 if (isValidLength(xr, &anyLength)) {
 585                         rtX->setText(toqstr(convert<string>(anyLength.value())));
 586                         string const unit = unit_name[anyLength.unit()];
 587                         rtXunit->setCurrentIndex(itemNumber(units, unit));
 588                 } else {
 589                         rtX->setText(toqstr(xl));
 590                 }
 591                 if (isValidLength(yr, &anyLength)) {
 592                         rtY->setText(toqstr(convert<string>(anyLength.value())));
 593                         string const unit = unit_name[anyLength.unit()];
 594                         rtYunit->setCurrentIndex(itemNumber(units, unit));
 595                 } else {
 596                         rtY->setText(toqstr(xl));
 597                 }
 598                 bbChanged = true;
 599         }
 600
 601         // Update the draft and clip mode
 602         draftCB->setChecked(igp.draft);
 603         clip->setChecked(igp.clip);
 604         unzipCB->setChecked(igp.noUnzip);
 605         displayGB->setChecked(igp.display);
 606         displayscale->setText(toqstr(convert<string>(igp.lyxscale)));
 607
 608         // the output section (width/height)
 609
 610         Scale->setText(toqstr(igp.scale));
 611         //igp.scale defaults to 100, so we treat it as empty
 612         bool const scaleChecked = !igp.scale.empty() && igp.scale != "100";
 613         scaleCB->blockSignals(true);
 614         scaleCB->setChecked(scaleChecked);
 615         scaleCB->blockSignals(false);
 616         Scale->setEnabled(scaleChecked);
 617         displayGB->setEnabled(lyxrc.display_graphics);
 618
 619         set<string> grp;
 620         graphics::getGraphicsGroups(buffer(), grp);
 621         set<string>::const_iterator it = grp.begin();
 622         set<string>::const_iterator end = grp.end();
 623         groupCO->blockSignals(true);
 624         groupCO->clear();
 625         for (; it != end; it++)
 626                 groupCO->addItem(toqstr(*it), toqstr(*it));
 627         groupCO->insertItem(0, qt_("None"), QString());
 628         if (igp.groupId.empty())
 629                 groupCO->setCurrentIndex(0);
 630         else
 631                 groupCO->setCurrentIndex(
 632                         groupCO->findData(toqstr(igp.groupId), Qt::MatchExactly));
 633         groupCO->blockSignals(false);
 634
 635         if (igp.width.value() == 0)
 636                 lengthToWidgets(Width, widthUnit, _(autostr), defaultUnit);
 637         else
 638                 lengthToWidgets(Width, widthUnit, igp.width, defaultUnit);
 639
 640         bool const widthChecked = !Width->text().isEmpty() &&
 641                 Width->text() != qt_(autostr);
 642         WidthCB->blockSignals(true);
 643         WidthCB->setChecked(widthChecked);
 644         WidthCB->blockSignals(false);
 645         Width->setEnabled(widthChecked);
 646         widthUnit->setEnabled(widthChecked);
 647
 648         if (igp.height.value() == 0)
 649                 lengthToWidgets(Height, heightUnit, _(autostr), defaultUnit);
 650         else
 651                 lengthToWidgets(Height, heightUnit, igp.height, defaultUnit);
 652
 653         bool const heightChecked = !Height->text().isEmpty()
 654                 && Height->text() != qt_(autostr);
 655         HeightCB->blockSignals(true);
 656         HeightCB->setChecked(heightChecked);
 657         HeightCB->blockSignals(false);
 658         Height->setEnabled(heightChecked);
 659         heightUnit->setEnabled(heightChecked);
 660
 661         scaleCB->setEnabled(!widthChecked && !heightChecked);
 662         WidthCB->setEnabled(!scaleChecked);
 663         HeightCB->setEnabled(!scaleChecked);
 664         aspectratio->setEnabled(widthChecked && heightChecked);
 665
 666         setAutoText();
 667
 668         angle->setText(toqstr(igp.rotateAngle));
 669         rotateOrderCB->setChecked(igp.scaleBeforeRotation);
 670
 671         rotateOrderCB->setEnabled( (widthChecked || heightChecked || scaleChecked)
 672                 && igp.rotateAngle != "0");
 673
 674         origin->clear();
 675
 676         vector<RotationOriginPair> origindata = getRotationOriginData();
 677         vector<docstring> const origin_lang = getFirst(origindata);
 678         origin_ltx = getSecond(origindata);
 679
 680         for (vector<docstring>::const_iterator it = origin_lang.begin();
 681             it != origin_lang.end(); ++it)
 682                 origin->addItem(toqstr(*it));
 683
 684         if (!igp.rotateOrigin.empty())
 685                 origin->setCurrentIndex(itemNumber(origin_ltx, igp.rotateOrigin));
 686         else
 687                 origin->setCurrentIndex(0);
 688
 689         // latex section
 690         latexoptions->setText(toqstr(igp.special));
 691 }
 692
 693
 694 void GuiGraphics::applyView()
 695 {
 696         InsetGraphicsParams & igp = params_;
 697
 698         igp.filename.set(fromqstr(filename->text()), fromqstr(bufferFilepath()));
 699
 700         // the bb section
 701         igp.bb.erase();
 702         if (bbChanged) {
 703                 string bb;
 704                 string lbXs = fromqstr(lbX->text());
 705                 string lbYs = fromqstr(lbY->text());
 706                 string rtXs = fromqstr(rtX->text());
 707                 string rtYs = fromqstr(rtY->text());
 708                 int bb_sum =
 709                         convert<int>(lbXs) + convert<int>(lbYs) +
 710                         convert<int>(rtXs) + convert<int>(rtXs);
 711                 if (bb_sum) {
 712                         if (lbXs.empty())
 713                                 bb = "0 ";
 714                         else
 715                                 bb = lbXs + fromqstr(lbXunit->currentText()) + ' ';
 716                         if (lbYs.empty())
 717                                 bb += "0 ";
 718                         else
 719                                 bb += (lbYs + fromqstr(lbYunit->currentText()) + ' ');
 720                         if (rtXs.empty())
 721                                 bb += "0 ";
 722                         else
 723                                 bb += (rtXs + fromqstr(rtXunit->currentText()) + ' ');
 724                         if (rtYs.empty())
 725                                 bb += '0';
 726                         else
 727                                 bb += (rtYs + fromqstr(rtYunit->currentText()));
 728                         igp.bb = bb;
 729                 }
 730         }
 731
 732         igp.draft = draftCB->isChecked();
 733         igp.clip = clip->isChecked();
 734         igp.display = displayGB->isChecked();
 735
 736         //the graphics section
 737         if (scaleCB->isChecked() && !Scale->text().isEmpty()) {
 738                 igp.scale = fromqstr(Scale->text());
 739                 igp.width = Length("0pt");
 740                 igp.height = Length("0pt");
 741                 igp.keepAspectRatio = false;
 742         } else {
 743                 igp.scale = string();
 744                 igp.width = WidthCB->isChecked() ?
 745                         //Note that this works even if Width is "auto", since in
 746                         //that case we get "0pt".
 747                         Length(widgetsToLength(Width, widthUnit)):
 748                         Length("0pt");
 749                 igp.height = HeightCB->isChecked() ?
 750                         Length(widgetsToLength(Height, heightUnit)) :
 751                         Length("0pt");
 752                 igp.keepAspectRatio = aspectratio->isEnabled() &&
 753                         aspectratio->isChecked() &&
 754                         igp.width.value() > 0 && igp.height.value() > 0;
 755         }
 756
 757         igp.noUnzip = unzipCB->isChecked();
 758         igp.lyxscale = displayscale->text().toInt();
 759         igp.rotateAngle = fromqstr(angle->text());
 760
 761         double rotAngle = convert<double>(igp.rotateAngle);
 762         if (abs(rotAngle) > 360.0) {
 763                 rotAngle -= 360.0 * floor(rotAngle / 360.0);
 764                 igp.rotateAngle = convert<string>(rotAngle);
 765         }
 766
 767         // save the latex name for the origin. If it is the default
 768         // then origin_ltx returns ""
 769         igp.rotateOrigin = origin_ltx[origin->currentIndex()];
 770         igp.scaleBeforeRotation = rotateOrderCB->isChecked();
 771
 772         // more latex options
 773         igp.special = fromqstr(latexoptions->text());
 774
 775         igp.groupId = fromqstr(groupCO->itemData(
 776                 groupCO->currentIndex()).toString());
 777         current_group_ = igp.groupId;
 778 }
 779
 780
 781 void GuiGraphics::getBB()
 782 {
 783         string const fn = fromqstr(filename->text());
 784         if (fn.empty())
 785                 return;
 786         string const bb = readBoundingBox(fn);
 787         bbChanged = false;
 788         if (bb.empty())
 789                 return;
 790         lbX->setText(toqstr(token(bb, ' ', 0)));
 791         lbY->setText(toqstr(token(bb, ' ', 1)));
 792         rtX->setText(toqstr(token(bb, ' ', 2)));
 793         rtY->setText(toqstr(token(bb, ' ', 3)));
 794         // the default units for the bb values when reading
 795         // it from the file
 796         lbXunit->setCurrentIndex(0);
 797         lbYunit->setCurrentIndex(0);
 798         rtXunit->setCurrentIndex(0);
 799         rtYunit->setCurrentIndex(0);
 800 }
 801
 802
 803 bool GuiGraphics::isValid()
 804 {
 805         return !filename->text().isEmpty();
 806 }
 807
 808
 809 bool GuiGraphics::initialiseParams(string const & data)
 810 {
 811         InsetGraphics::string2params(data, buffer(), params_);
 812         paramsToDialog(params_);
 813         current_group_ = params_.groupId;
 814         return true;
 815 }
 816
 817
 818 void GuiGraphics::clearParams()
 819 {
 820         params_ = InsetGraphicsParams();
 821 }
 822
 823
 824 void GuiGraphics::dispatchParams()
 825 {
 826         InsetGraphicsParams tmp_params(params_);
 827         string const lfun = InsetGraphics::params2string(tmp_params, buffer());
 828         dispatch(FuncRequest(getLfun(), lfun));
 829 }
 830
 831
 832 QString GuiGraphics::browse(QString const & in_name) const
 833 {
 834         QString const title = qt_("Select graphics file");
 835
 836         // Does user clipart directory exist?
 837         string clipdir = addName(package().user_support().absFilename(), "clipart");
 838         FileName clip(clipdir);
 839
 840         // bail out to system clipart directory
 841         if (!clip.isDirectory())
 842                 clipdir = addName(package().system_support().absFilename(), "clipart");
 843
 844         return browseRelFile(in_name, bufferFilepath(),
 845                 title, fileFilters(QString()), false,
 846                 qt_("Clipart|#C#c"), toqstr(clipdir),
 847                 qt_("Documents|#o#O"), toqstr(lyxrc.document_path));
 848 }
 849
 850
 851 string GuiGraphics::readBoundingBox(string const & file)
 852 {
 853         FileName const abs_file = support::makeAbsPath(file, fromqstr(bufferFilepath()));
 854
 855         // try to get it from the file, if possible. Zipped files are
 856         // unzipped in the readBB_from_PSFile-Function
 857         string const bb = readBB_from_PSFile(abs_file);
 858         if (!bb.empty())
 859                 return bb;
 860
 861         // we don't, so ask the Graphics Cache if it has loaded the file
 862         int width = 0;
 863         int height = 0;
 864
 865         graphics::Cache & gc = graphics::Cache::get();
 866         if (gc.inCache(abs_file)) {
 867                 graphics::Image const * image = gc.item(abs_file)->image();
 868
 869                 if (image) {
 870                         width  = image->width();
 871                         height = image->height();
 872                 }
 873         }
 874
 875         return ("0 0 " + convert<string>(width) + ' ' + convert<string>(height));
 876 }
 877
 878
 879 bool GuiGraphics::isFileNameValid(string const & fname) const
 880 {
 881         // It may be that the filename is relative.
 882         return support::makeAbsPath(fname, fromqstr(bufferFilepath())).isReadableFile();
 883 }
 884
 885
 886 Dialog * createGuiGraphics(GuiView & lv) { return new GuiGraphics(lv); }
 887
 888
 889 } // namespace frontend
 890 } // namespace lyx
 891
 892 #include "moc_GuiGraphics.cpp"