src/frontends/qt4/QExternal.cpp

   1 /**
   2  * \file QExternal.cpp
   3  * This file is part of LyX, the document processor.
   4  * Licence details can be found in the file COPYING.
   5  *
   6  * \author John Levon
   7  * \author Angus Leeming
   8  *
   9  * Full author contact details are available in file CREDITS.
  10  */
  11
  12 #include <config.h>
  13
  14 // Qt defines a macro 'signals' that clashes with a boost namespace.
  15 // All is well if the namespace is visible first.
  16 #include "lengthcommon.h"
  17 #include "LyXRC.h"
  18
  19 #include "controllers/ControlExternal.h"
  20 #include "controllers/ButtonController.h"
  21
  22 #include "insets/ExternalTemplate.h"
  23 #include "insets/InsetExternal.h"
  24
  25 #include "support/lstrings.h"
  26 #include "support/convert.h"
  27 #include "support/os.h"
  28 #include "support/lyxlib.h"
  29
  30 #include "QExternal.h"
  31 #include "Qt2BC.h"
  32
  33 #include "CheckedLineEdit.h"
  34 #include "LengthCombo.h"
  35 #include "qt_helpers.h"
  36 #include "Validator.h"
  37
  38 #include <QLineEdit>
  39 #include <QPushButton>
  40 #include <QCheckBox>
  41 #include <QTabWidget>
  42 #include <QTextBrowser>
  43
  44 namespace external = lyx::external;
  45
  46 using lyx::support::isStrDbl;
  47 using lyx::support::token;
  48 using lyx::support::trim;
  49 using lyx::support::float_equal;
  50
  51 using lyx::support::os::internal_path;
  52
  53 using std::string;
  54 using std::vector;
  55 using std::find;
  56
  57
  58 namespace lyx {
  59 namespace frontend {
  60
  61 /////////////////////////////////////////////////////////////////////
  62 //
  63 // QExternalDialog
  64 //
  65 /////////////////////////////////////////////////////////////////////
  66
  67
  68 QExternalDialog::QExternalDialog(QExternal * form)
  69         : form_(form)
  70 {
  71         setupUi(this);
  72         connect(okPB, SIGNAL(clicked()), form, SLOT(slotOK()));
  73         connect(applyPB, SIGNAL(clicked()), form, SLOT(slotApply()));
  74         connect(closePB, SIGNAL(clicked()), form, SLOT(slotClose()));
  75
  76         connect(displayCB, SIGNAL(toggled(bool)),
  77                 showCO, SLOT(setEnabled(bool)));
  78         connect(displayCB, SIGNAL(toggled(bool)),
  79                 displayscaleED, SLOT(setEnabled(bool)));
  80         connect(showCO, SIGNAL(activated(const QString&)),
  81                 this, SLOT(change_adaptor()));
  82         connect(originCO, SIGNAL(activated(int)),
  83                 this, SLOT(change_adaptor()));
  84         connect(aspectratioCB, SIGNAL(stateChanged(int)),
  85                 this, SLOT(change_adaptor()));
  86         connect(browsePB, SIGNAL(clicked()),
  87                 this, SLOT(browseClicked()));
  88         connect(editPB, SIGNAL(clicked()),
  89                 this, SLOT(editClicked()));
  90         connect(externalCO, SIGNAL(activated(const QString &)),
  91                 this, SLOT(templateChanged()));
  92         connect(extraED, SIGNAL(textChanged(const QString &)),
  93                 this, SLOT(extraChanged(const QString&)));
  94         connect(extraFormatCO, SIGNAL(activated(const QString &)),
  95                 this, SLOT(formatChanged(const QString&)));
  96         connect(widthUnitCO, SIGNAL(activated(int)),
  97                 this, SLOT(widthUnitChanged()));
  98         connect(heightUnitCO, SIGNAL(selectionChanged(lyx::Length::UNIT)),
  99                 this, SLOT(change_adaptor()));
 100         connect(displayCB, SIGNAL(stateChanged(int)),
 101                 this, SLOT(change_adaptor()));
 102         connect(displayscaleED, SIGNAL(textChanged(const QString &)),
 103                 this, SLOT(change_adaptor()));
 104         connect(angleED, SIGNAL(textChanged(const QString &)),
 105                 this, SLOT(change_adaptor()));
 106         connect(widthED, SIGNAL(textChanged(const QString &)),
 107                 this, SLOT(sizeChanged()));
 108         connect(heightED, SIGNAL(textChanged(const QString &)),
 109                 this, SLOT(sizeChanged()));
 110         connect(fileED, SIGNAL(textChanged(const QString &)),
 111                 this, SLOT(change_adaptor()));
 112         connect(clipCB, SIGNAL(stateChanged(int)),
 113                 this, SLOT(change_adaptor()));
 114         connect(getbbPB, SIGNAL(clicked()), this, SLOT(getbbClicked()));
 115         connect(xrED, SIGNAL(textChanged(const QString &)), this, SLOT(bbChanged()));
 116         connect(ytED, SIGNAL(textChanged(const QString &)), this, SLOT(bbChanged()));
 117         connect(xlED, SIGNAL(textChanged(const QString &)), this, SLOT(bbChanged()));
 118         connect(ybED, SIGNAL(textChanged(const QString &)), this, SLOT(bbChanged()));
 119         connect(draftCB, SIGNAL(clicked()), this, SLOT(change_adaptor()));
 120
 121         QIntValidator * validator = new QIntValidator(displayscaleED);
 122         validator->setBottom(1);
 123         displayscaleED->setValidator(validator);
 124
 125         angleED->setValidator(new QDoubleValidator(-360, 360, 2, angleED));
 126
 127         xlED->setValidator(new QIntValidator(xlED));
 128         ybED->setValidator(new QIntValidator(ybED));
 129         xrED->setValidator(new QIntValidator(xrED));
 130         ytED->setValidator(new QIntValidator(ytED));
 131
 132         widthED->setValidator(unsignedLengthValidator(widthED));
 133         heightED->setValidator(unsignedLengthValidator(heightED));
 134
 135         fileED->setValidator(new PathValidator(true, fileED));
 136         setFocusProxy(fileED);
 137 }
 138
 139
 140 void QExternalDialog::show()
 141 {
 142         QDialog::show();
 143 }
 144
 145
 146
 147 bool QExternalDialog::activateAspectratio() const
 148 {
 149         if (widthUnitCO->currentIndex() == 0)
 150                 return false;
 151
 152         string const wstr = fromqstr(widthED->text());
 153         if (wstr.empty())
 154                 return false;
 155         bool const wIsDbl = isStrDbl(wstr);
 156         if (wIsDbl && float_equal(convert<double>(wstr), 0.0, 0.05))
 157                 return false;
 158         Length l;
 159         if (!wIsDbl && (!isValidLength(wstr, &l) || l.zero()))
 160                 return false;
 161
 162         string const hstr = fromqstr(heightED->text());
 163         if (hstr.empty())
 164                 return false;
 165         bool const hIsDbl = isStrDbl(hstr);
 166         if (hIsDbl && float_equal(convert<double>(hstr), 0.0, 0.05))
 167                 return false;
 168         if (!hIsDbl && (!isValidLength(hstr, &l) || l.zero()))
 169                 return false;
 170
 171         return true;
 172 }
 173
 174
 175 void QExternalDialog::bbChanged()
 176 {
 177         form_->controller().bbChanged(true);
 178         form_->changed();
 179 }
 180
 181
 182 void QExternalDialog::browseClicked()
 183 {
 184         int const choice =  externalCO->currentIndex();
 185         docstring const template_name =
 186                 from_utf8(form_->controller().getTemplate(choice).lyxName);
 187         docstring const str =
 188                 form_->controller().browse(qstring_to_ucs4(fileED->text()),
 189                                            template_name);
 190         fileED->setText(toqstr(str));
 191         form_->changed();
 192 }
 193
 194
 195 void QExternalDialog::change_adaptor()
 196 {
 197         form_->changed();
 198 }
 199
 200
 201 void QExternalDialog::closeEvent(QCloseEvent * e)
 202 {
 203         form_->slotWMHide();
 204         e->accept();
 205 }
 206
 207
 208 void QExternalDialog::editClicked()
 209 {
 210         form_->controller().editExternal();
 211 }
 212
 213
 214
 215 void QExternalDialog::extraChanged(const QString& text)
 216 {
 217         std::string const format = fromqstr(extraFormatCO->currentText());
 218         form_->extra_[format] = text;
 219         form_->changed();
 220 }
 221
 222
 223 void QExternalDialog::formatChanged(const QString& format)
 224 {
 225         extraED->setText(form_->extra_[fromqstr(format)]);
 226 }
 227
 228
 229 void QExternalDialog::getbbClicked()
 230 {
 231         form_->getBB();
 232 }
 233
 234
 235 void QExternalDialog::sizeChanged()
 236 {
 237         aspectratioCB->setEnabled(activateAspectratio());
 238         form_->changed();
 239 }
 240
 241
 242 void QExternalDialog::templateChanged()
 243 {
 244         form_->updateTemplate();
 245         form_->changed();
 246 }
 247
 248
 249 void QExternalDialog::widthUnitChanged()
 250 {
 251         bool useHeight = (widthUnitCO->currentIndex() > 0);
 252
 253         if (useHeight)
 254                 widthED->setValidator(unsignedLengthValidator(widthED));
 255         else
 256                 widthED->setValidator(new QDoubleValidator(0, 1000, 2, widthED));
 257
 258         heightED->setEnabled(useHeight);
 259         heightUnitCO->setEnabled(useHeight);
 260         form_->changed();
 261 }
 262
 263
 264 /////////////////////////////////////////////////////////////////////
 265 //
 266 // QExternal
 267 //
 268 /////////////////////////////////////////////////////////////////////
 269
 270 namespace {
 271
 272 Length::UNIT defaultUnit()
 273 {
 274         Length::UNIT default_unit = Length::CM;
 275         switch (lyxrc.default_papersize) {
 276         case PAPER_USLETTER:
 277         case PAPER_USLEGAL:
 278         case PAPER_USEXECUTIVE:
 279                 default_unit = Length::IN;
 280                 break;
 281         default:
 282                 break;
 283         }
 284         return default_unit;
 285 }
 286
 287
 288 void setDisplay(QCheckBox & displayCB, QComboBox & showCO, QLineEdit & scaleED,
 289                 external::DisplayType display, unsigned int scale,
 290                 bool read_only)
 291 {
 292         int item = 0;
 293         switch (display) {
 294         case external::DefaultDisplay:
 295                 item = 0;
 296                 break;
 297         case external::MonochromeDisplay:
 298                 item = 1;
 299                 break;
 300         case external::GrayscaleDisplay:
 301                 item = 2;
 302                 break;
 303         case external::ColorDisplay:
 304                 item = 3;
 305                 break;
 306         case external::PreviewDisplay:
 307                 item = 4;
 308                 break;
 309         case external::NoDisplay:
 310                 item = 0;
 311                 break;
 312         }
 313
 314         showCO.setCurrentIndex(item);
 315         bool const no_display = display == external::NoDisplay;
 316         showCO.setEnabled(!no_display && !read_only);
 317         displayCB.setChecked(!no_display);
 318         scaleED.setEnabled(!no_display && !read_only);
 319         scaleED.setText(toqstr(convert<string>(scale)));
 320 }
 321
 322
 323 void getDisplay(external::DisplayType & display,
 324                 unsigned int & scale,
 325                 QCheckBox const & displayCB,
 326                 QComboBox const & showCO,
 327                 QLineEdit const & scaleED)
 328 {
 329         switch (showCO.currentIndex()) {
 330         case 0:
 331                 display = external::DefaultDisplay;
 332                 break;
 333         case 1:
 334                 display = external::MonochromeDisplay;
 335                 break;
 336         case 2:
 337                 display = external::GrayscaleDisplay;
 338                 break;
 339         case 3:
 340                 display = external::ColorDisplay;
 341                 break;
 342         case 4:
 343                 display = external::PreviewDisplay;
 344                 break;
 345         }
 346
 347         if (!displayCB.isChecked())
 348                 display = external::NoDisplay;
 349
 350         scale = convert<int>(fromqstr(scaleED.text()));
 351 }
 352
 353
 354 void setRotation(QLineEdit & angleED, QComboBox & originCO,
 355                  external::RotationData const & data)
 356 {
 357         originCO.setCurrentIndex(int(data.origin()));
 358         angleED.setText(toqstr(data.angle));
 359 }
 360
 361
 362 void getRotation(external::RotationData & data,
 363                  QLineEdit const & angleED, QComboBox const & originCO)
 364 {
 365         typedef external::RotationData::OriginType OriginType;
 366
 367         data.origin(static_cast<OriginType>(originCO.currentIndex()));
 368         data.angle = fromqstr(angleED.text());
 369 }
 370
 371
 372 void setSize(QLineEdit & widthED, QComboBox & widthUnitCO,
 373              QLineEdit & heightED, LengthCombo & heightUnitCO,
 374              QCheckBox & aspectratioCB,
 375              external::ResizeData const & data)
 376 {
 377         bool using_scale = data.usingScale();
 378         std::string scale = data.scale;
 379         if (data.no_resize()) {
 380                 // Everything is zero, so default to this!
 381                 using_scale = true;
 382                 scale = "100";
 383         }
 384
 385         if (using_scale) {
 386                 widthED.setText(toqstr(scale));
 387                 widthUnitCO.setCurrentIndex(0);
 388         } else {
 389                 widthED.setText(toqstr(convert<string>(data.width.value())));
 390                 // Because 'Scale' is position 0...
 391                 // Note also that width cannot be zero here, so
 392                 // we don't need to worry about the default unit.
 393                 widthUnitCO.setCurrentIndex(data.width.unit() + 1);
 394         }
 395
 396         string const h = data.height.zero() ? string() : data.height.asString();
 397         Length::UNIT default_unit = data.width.zero() ?
 398                 defaultUnit() : data.width.unit();
 399         lengthToWidgets(&heightED, &heightUnitCO, h, default_unit);
 400
 401         heightED.setEnabled(!using_scale);
 402         heightUnitCO.setEnabled(!using_scale);
 403
 404         aspectratioCB.setChecked(data.keepAspectRatio);
 405
 406         bool const disable_aspectRatio = using_scale ||
 407                 data.width.zero() || data.height.zero();
 408         aspectratioCB.setEnabled(!disable_aspectRatio);
 409 }
 410
 411
 412 void getSize(external::ResizeData & data,
 413              QLineEdit const & widthED, QComboBox const & widthUnitCO,
 414              QLineEdit const & heightED, LengthCombo const & heightUnitCO,
 415              QCheckBox const & aspectratioCB)
 416 {
 417         string const width = fromqstr(widthED.text());
 418
 419         if (widthUnitCO.currentIndex() > 0) {
 420                 // Subtract one, because scale is 0.
 421                 int const unit = widthUnitCO.currentIndex() - 1;
 422
 423                 Length w;
 424                 if (isValidLength(width, &w))
 425                         data.width = w;
 426                 else if (isStrDbl(width))
 427                         data.width = Length(convert<double>(width),
 428                                            static_cast<Length::UNIT>(unit));
 429                 else
 430                         data.width = Length();
 431
 432                 data.scale = string();
 433
 434         } else {
 435                 // scaling instead of a width
 436                 data.scale = width;
 437                 data.width = Length();
 438         }
 439
 440         data.height = Length(widgetsToLength(&heightED, &heightUnitCO));
 441
 442         data.keepAspectRatio = aspectratioCB.isChecked();
 443 }
 444
 445
 446 void setCrop(QCheckBox & clipCB,
 447              QLineEdit & xlED, QLineEdit & ybED,
 448              QLineEdit & xrED, QLineEdit & ytED,
 449              external::ClipData const & data)
 450 {
 451         clipCB.setChecked(data.clip);
 452         graphics::BoundingBox const & bbox = data.bbox;
 453         xlED.setText(toqstr(convert<string>(bbox.xl)));
 454         ybED.setText(toqstr(convert<string>(bbox.yb)));
 455         xrED.setText(toqstr(convert<string>(bbox.xr)));
 456         ytED.setText(toqstr(convert<string>(bbox.yt)));
 457 }
 458
 459
 460 void getCrop(external::ClipData & data,
 461              QCheckBox const & clipCB,
 462              QLineEdit const & xlED, QLineEdit const & ybED,
 463              QLineEdit const & xrED, QLineEdit const & ytED,
 464              bool bb_changed)
 465 {
 466         data.clip = clipCB.isChecked();
 467
 468         if (!bb_changed)
 469                 return;
 470
 471         data.bbox.xl = convert<int>(fromqstr(xlED.text()));
 472         data.bbox.yb = convert<int>(fromqstr(ybED.text()));
 473         data.bbox.xr = convert<int>(fromqstr(xrED.text()));
 474         data.bbox.yt = convert<int>(fromqstr(ytED.text()));
 475 }
 476
 477
 478 void getExtra(external::ExtraData & data,
 479               QExternal::MapType const & extra)
 480 {
 481         typedef QExternal::MapType MapType;
 482         MapType::const_iterator it  = extra.begin();
 483         MapType::const_iterator const end = extra.end();
 484         for (; it != end; ++it)
 485                 data.set(it->first, trim(fromqstr(it->second)));
 486 }
 487
 488 } // namespace anon
 489
 490
 491 typedef QController<ControlExternal, QView<QExternalDialog> >
 492         ExternalBase;
 493
 494 QExternal::QExternal(Dialog & parent)
 495         : ExternalBase(parent, _("External Material"))
 496 {}
 497
 498
 499 void QExternal::build_dialog()
 500 {
 501         dialog_.reset(new QExternalDialog(this));
 502
 503         bcview().setOK(dialog_->okPB);
 504         bcview().setApply(dialog_->applyPB);
 505         bcview().setCancel(dialog_->closePB);
 506
 507         bcview().addReadOnly(dialog_->fileED);
 508         bcview().addReadOnly(dialog_->browsePB);
 509         bcview().addReadOnly(dialog_->editPB);
 510         bcview().addReadOnly(dialog_->externalCO);
 511         bcview().addReadOnly(dialog_->draftCB);
 512         bcview().addReadOnly(dialog_->displayscaleED);
 513         bcview().addReadOnly(dialog_->showCO);
 514         bcview().addReadOnly(dialog_->displayCB);
 515         bcview().addReadOnly(dialog_->angleED);
 516         bcview().addReadOnly(dialog_->originCO);
 517         bcview().addReadOnly(dialog_->heightUnitCO);
 518         bcview().addReadOnly(dialog_->heightED);
 519         bcview().addReadOnly(dialog_->aspectratioCB);
 520         bcview().addReadOnly(dialog_->widthUnitCO);
 521         bcview().addReadOnly(dialog_->widthED);
 522         bcview().addReadOnly(dialog_->clipCB);
 523         bcview().addReadOnly(dialog_->getbbPB);
 524         bcview().addReadOnly(dialog_->ytED);
 525         bcview().addReadOnly(dialog_->xlED);
 526         bcview().addReadOnly(dialog_->xrED);
 527         bcview().addReadOnly(dialog_->ybED);
 528         bcview().addReadOnly(dialog_->extraFormatCO);
 529         bcview().addReadOnly(dialog_->extraED);
 530
 531         addCheckedLineEdit(bcview(), dialog_->angleED, dialog_->angleLA);
 532         addCheckedLineEdit(bcview(), dialog_->displayscaleED, dialog_->scaleLA);
 533         addCheckedLineEdit(bcview(), dialog_->heightED, dialog_->heightLA);
 534         addCheckedLineEdit(bcview(), dialog_->widthED, dialog_->widthLA);
 535         addCheckedLineEdit(bcview(), dialog_->xlED, dialog_->lbLA);
 536         addCheckedLineEdit(bcview(), dialog_->ybED, dialog_->lbLA);
 537         addCheckedLineEdit(bcview(), dialog_->xrED, dialog_->rtLA);
 538         addCheckedLineEdit(bcview(), dialog_->ytED, dialog_->rtLA);
 539         addCheckedLineEdit(bcview(), dialog_->fileED, dialog_->fileLA);
 540
 541         std::vector<string> templates(controller().getTemplates());
 542
 543         for (std::vector<string>::const_iterator cit = templates.begin();
 544                 cit != templates.end(); ++cit) {
 545                 dialog_->externalCO->addItem(toqstr(*cit));
 546         }
 547
 548         // Fill the origins combo
 549         typedef vector<external::RotationDataType> Origins;
 550         Origins const & all_origins = external::all_origins();
 551         for (Origins::size_type i = 0; i != all_origins.size(); ++i)
 552                 dialog_->originCO->addItem(toqstr(external::origin_gui_str(i)));
 553
 554         // Fill the width combo
 555         dialog_->widthUnitCO->addItem(qt_("Scale%"));
 556         for (int i = 0; i < num_units; i++)
 557                 dialog_->widthUnitCO->addItem(qt_(unit_name_gui[i]));
 558 }
 559
 560
 561 void QExternal::update_contents()
 562 {
 563         PathValidator * path_validator = getPathValidator(dialog_->fileED);
 564         if (path_validator)
 565                 path_validator->setChecker(kernel().docType(), lyxrc);
 566
 567         dialog_->tab->setCurrentIndex(0);
 568         InsetExternalParams const & params = controller().params();
 569
 570         string const name =
 571                 params.filename.outputFilename(kernel().bufferFilepath());
 572         dialog_->fileED->setText(toqstr(name));
 573
 574         dialog_->externalCO->setCurrentIndex(
 575                 controller().getTemplateNumber(params.templatename()));
 576         updateTemplate();
 577
 578         dialog_->draftCB->setChecked(params.draft);
 579
 580         setDisplay(*dialog_->displayCB, *dialog_->showCO,
 581                    *dialog_->displayscaleED,
 582                    params.display, params.lyxscale, readOnly());
 583
 584         setRotation(*dialog_->angleED, *dialog_->originCO, params.rotationdata);
 585
 586         setSize(*dialog_->widthED, *dialog_->widthUnitCO,
 587                 *dialog_->heightED, *dialog_->heightUnitCO,
 588                 *dialog_->aspectratioCB,
 589                 params.resizedata);
 590
 591         setCrop(*dialog_->clipCB,
 592                 *dialog_->xlED, *dialog_->ybED,
 593                 *dialog_->xrED, *dialog_->ytED,
 594                 params.clipdata);
 595         controller().bbChanged(!params.clipdata.bbox.empty());
 596
 597         isValid();
 598 }
 599
 600
 601 void QExternal::updateTemplate()
 602 {
 603         external::Template templ =
 604                 controller().getTemplate(dialog_->externalCO->currentIndex());
 605         dialog_->externalTB->setPlainText(toqstr(templ.helpText));
 606
 607         // Ascertain which (if any) transformations the template supports
 608         // and disable tabs hosting unsupported transforms.
 609         typedef vector<external::TransformID> TransformIDs;
 610         TransformIDs const transformIds = templ.transformIds;
 611         TransformIDs::const_iterator tr_begin = transformIds.begin();
 612         TransformIDs::const_iterator const tr_end = transformIds.end();
 613
 614         bool found = find(tr_begin, tr_end, external::Rotate) != tr_end;
 615         dialog_->tab->setTabEnabled(
 616                 dialog_->tab->indexOf(dialog_->rotatetab), found);
 617         found = find(tr_begin, tr_end, external::Resize) != tr_end;
 618         dialog_->tab->setTabEnabled(
 619                 dialog_->tab->indexOf(dialog_->scaletab), found);
 620
 621         found = find(tr_begin, tr_end, external::Clip) != tr_end;
 622         dialog_->tab->setTabEnabled(
 623                 dialog_->tab->indexOf(dialog_->croptab), found);
 624
 625         found = find(tr_begin, tr_end, external::Extra) != tr_end;
 626         dialog_->tab->setTabEnabled(
 627                 dialog_->tab->indexOf(dialog_->optionstab), found);
 628
 629         if (!found)
 630                 return;
 631
 632         // Ascertain whether the template has any formats supporting
 633         // the 'Extra' option
 634         QLineEdit * const extraED = dialog_->extraED;
 635         QComboBox * const extraCB = dialog_->extraFormatCO;
 636
 637         extra_.clear();
 638         extraED->clear();
 639         extraCB->clear();
 640
 641         external::Template::Formats::const_iterator it  = templ.formats.begin();
 642         external::Template::Formats::const_iterator end = templ.formats.end();
 643         for (; it != end; ++it) {
 644                 if (it->second.option_transformers.find(external::Extra) ==
 645                     it->second.option_transformers.end())
 646                         continue;
 647                 string const format = it->first;
 648                 string const opt = controller().params().extradata.get(format);
 649                 extraCB->addItem(toqstr(format));
 650                 extra_[format] = toqstr(opt);
 651         }
 652
 653         bool const enabled = extraCB->count()  > 0;
 654
 655         dialog_->tab->setTabEnabled(
 656                 dialog_->tab->indexOf(dialog_->optionstab), enabled);
 657         extraED->setEnabled(enabled && !kernel().isBufferReadonly());
 658         extraCB->setEnabled(enabled);
 659
 660         if (enabled) {
 661                 extraCB->setCurrentIndex(0);
 662                 extraED->setText(extra_[fromqstr(extraCB->currentText())]);
 663         }
 664 }
 665
 666
 667 void QExternal::apply()
 668 {
 669         InsetExternalParams params = controller().params();
 670
 671         params.filename.set(internal_path(fromqstr(dialog_->fileED->text())),
 672                             kernel().bufferFilepath());
 673
 674         params.settemplate(controller().getTemplate(
 675                                    dialog_->externalCO->currentIndex()).lyxName);
 676
 677         params.draft = dialog_->draftCB->isChecked();
 678
 679         getDisplay(params.display, params.lyxscale,
 680                    *dialog_->displayCB, *dialog_->showCO,
 681                    *dialog_->displayscaleED);
 682
 683         if (dialog_->tab->isTabEnabled(
 684                 dialog_->tab->indexOf(dialog_->rotatetab)))
 685                 getRotation(params.rotationdata,
 686                             *dialog_->angleED, *dialog_->originCO);
 687
 688         if (dialog_->tab->isTabEnabled(
 689                 dialog_->tab->indexOf(dialog_->scaletab)))
 690                 getSize(params.resizedata,
 691                         *dialog_->widthED, *dialog_->widthUnitCO,
 692                         *dialog_->heightED, *dialog_->heightUnitCO,
 693                         *dialog_->aspectratioCB);
 694
 695         if (dialog_->tab->isTabEnabled(
 696                 dialog_->tab->indexOf(dialog_->croptab)))
 697                 getCrop(params.clipdata,
 698                         *dialog_->clipCB,
 699                         *dialog_->xlED, *dialog_->ybED,
 700                         *dialog_->xrED, *dialog_->ytED,
 701                         controller().bbChanged());
 702
 703         if (dialog_->tab->isTabEnabled(
 704                 dialog_->tab->indexOf(dialog_->optionstab)))
 705                 getExtra(params.extradata, extra_);
 706
 707         controller().setParams(params);
 708 }
 709
 710
 711 void QExternal::getBB()
 712 {
 713         dialog_->xlED->setText("0");
 714         dialog_->ybED->setText("0");
 715         dialog_->xrED->setText("0");
 716         dialog_->ytED->setText("0");
 717
 718         string const filename = fromqstr(dialog_->fileED->text());
 719         if (filename.empty())
 720                 return;
 721
 722         string const bb = controller().readBB(filename);
 723         if (bb.empty())
 724                 return;
 725
 726         dialog_->xlED->setText(toqstr(token(bb, ' ', 0)));
 727         dialog_->ybED->setText(toqstr(token(bb, ' ', 1)));
 728         dialog_->xrED->setText(toqstr(token(bb, ' ', 2)));
 729         dialog_->ytED->setText(toqstr(token(bb, ' ', 3)));
 730
 731         controller().bbChanged(false);
 732 }
 733
 734 } // namespace frontend
 735 } // namespace lyx
 736
 737 #include "QExternal_moc.cpp"