src/frontends/qt4/GuiExternal.cpp

   1 /**
   2  * \file GuiExternal.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  * \author Asger Alstrup
   9  *
  10  * Full author contact details are available in file CREDITS.
  11  */
  12
  13 #include <config.h>
  14
  15 #include "GuiExternal.h"
  16
  17 #include "FuncRequest.h"
  18 #include "support/gettext.h"
  19 #include "Length.h"
  20 #include "LyXRC.h"
  21
  22 #include "insets/ExternalSupport.h"
  23 #include "insets/ExternalTemplate.h"
  24 #include "insets/InsetExternal.h"
  25
  26 #include "graphics/GraphicsCache.h"
  27 #include "graphics/GraphicsCacheItem.h"
  28 #include "graphics/GraphicsImage.h"
  29
  30 #include "support/convert.h"
  31 #include "support/FileFilterList.h"
  32 #include "support/filetools.h"
  33 #include "support/lstrings.h"
  34 #include "support/lyxlib.h"
  35 #include "support/os.h"
  36
  37 #include "LengthCombo.h"
  38 #include "qt_helpers.h"
  39 #include "Validator.h"
  40
  41 #include <QCheckBox>
  42 #include <QLineEdit>
  43 #include <QPushButton>
  44 #include <QTabWidget>
  45 #include <QTextBrowser>
  46
  47 using namespace std;
  48 using namespace lyx::support;
  49
  50 namespace lyx {
  51 namespace frontend {
  52
  53 using namespace external;
  54
  55 namespace {
  56
  57 RotationDataType origins_array[] = {
  58         RotationData::DEFAULT,
  59         RotationData::TOPLEFT,
  60         RotationData::BOTTOMLEFT,
  61         RotationData::BASELINELEFT,
  62         RotationData::CENTER,
  63         RotationData::TOPCENTER,
  64         RotationData::BOTTOMCENTER,
  65         RotationData::BASELINECENTER,
  66         RotationData::TOPRIGHT,
  67         RotationData::BOTTOMRIGHT,
  68         RotationData::BASELINERIGHT
  69 };
  70
  71
  72 size_type const origins_array_size =
  73 sizeof(origins_array) / sizeof(origins_array[0]);
  74
  75 vector<external::RotationDataType> const
  76 all_origins(origins_array, origins_array + origins_array_size);
  77
  78 // These are the strings, corresponding to the above, that the GUI should
  79 // use. Note that they can/should be translated.
  80 char const * const origin_gui_strs[] = {
  81         N_("Default"),
  82         N_("Top left"), N_("Bottom left"), N_("Baseline left"),
  83         N_("Center"), N_("Top center"), N_("Bottom center"), N_("Baseline center"),
  84         N_("Top right"), N_("Bottom right"), N_("Baseline right")
  85 };
  86
  87 } // namespace anon
  88
  89
  90 GuiExternal::GuiExternal(GuiView & lv)
  91         : GuiDialog(lv, "external", qt_("External Material")), bbChanged_(false)
  92 {
  93         setupUi(this);
  94
  95         connect(okPB, SIGNAL(clicked()), this, SLOT(slotOK()));
  96         connect(applyPB, SIGNAL(clicked()), this, SLOT(slotApply()));
  97         connect(closePB, SIGNAL(clicked()), this, SLOT(slotClose()));
  98
  99         connect(displayCB, SIGNAL(toggled(bool)),
 100                 showCO, SLOT(setEnabled(bool)));
 101         connect(displayCB, SIGNAL(toggled(bool)),
 102                 displayscaleED, SLOT(setEnabled(bool)));
 103         connect(showCO, SIGNAL(activated(QString)),
 104                 this, SLOT(change_adaptor()));
 105         connect(originCO, SIGNAL(activated(int)),
 106                 this, SLOT(change_adaptor()));
 107         connect(aspectratioCB, SIGNAL(stateChanged(int)),
 108                 this, SLOT(change_adaptor()));
 109         connect(browsePB, SIGNAL(clicked()),
 110                 this, SLOT(browseClicked()));
 111         connect(editPB, SIGNAL(clicked()),
 112                 this, SLOT(editClicked()));
 113         connect(externalCO, SIGNAL(activated(QString)),
 114                 this, SLOT(templateChanged()));
 115         connect(extraED, SIGNAL(textChanged(QString)),
 116                 this, SLOT(extraChanged(QString)));
 117         connect(extraFormatCO, SIGNAL(activated(QString)),
 118                 this, SLOT(formatChanged(QString)));
 119         connect(widthUnitCO, SIGNAL(activated(int)),
 120                 this, SLOT(widthUnitChanged()));
 121         connect(heightUnitCO, SIGNAL(selectionChanged(lyx::Length::UNIT)),
 122                 this, SLOT(change_adaptor()));
 123         connect(displayCB, SIGNAL(stateChanged(int)),
 124                 this, SLOT(change_adaptor()));
 125         connect(displayscaleED, SIGNAL(textChanged(QString)),
 126                 this, SLOT(change_adaptor()));
 127         connect(angleED, SIGNAL(textChanged(QString)),
 128                 this, SLOT(change_adaptor()));
 129         connect(widthED, SIGNAL(textChanged(QString)),
 130                 this, SLOT(sizeChanged()));
 131         connect(heightED, SIGNAL(textChanged(QString)),
 132                 this, SLOT(sizeChanged()));
 133         connect(fileED, SIGNAL(textChanged(QString)),
 134                 this, SLOT(change_adaptor()));
 135         connect(clipCB, SIGNAL(stateChanged(int)),
 136                 this, SLOT(change_adaptor()));
 137         connect(getbbPB, SIGNAL(clicked()), this, SLOT(getbbClicked()));
 138         connect(xrED, SIGNAL(textChanged(QString)), this, SLOT(bbChanged()));
 139         connect(ytED, SIGNAL(textChanged(QString)), this, SLOT(bbChanged()));
 140         connect(xlED, SIGNAL(textChanged(QString)), this, SLOT(bbChanged()));
 141         connect(ybED, SIGNAL(textChanged(QString)), this, SLOT(bbChanged()));
 142         connect(draftCB, SIGNAL(clicked()), this, SLOT(change_adaptor()));
 143
 144         QIntValidator * validator = new QIntValidator(displayscaleED);
 145         validator->setBottom(1);
 146         displayscaleED->setValidator(validator);
 147
 148         angleED->setValidator(new QDoubleValidator(-360, 360, 2, angleED));
 149
 150         xlED->setValidator(new QIntValidator(xlED));
 151         ybED->setValidator(new QIntValidator(ybED));
 152         xrED->setValidator(new QIntValidator(xrED));
 153         ytED->setValidator(new QIntValidator(ytED));
 154
 155         widthED->setValidator(unsignedLengthValidator(widthED));
 156         heightED->setValidator(unsignedLengthValidator(heightED));
 157
 158         setFocusProxy(fileED);
 159
 160         bc().setPolicy(ButtonPolicy::NoRepeatedApplyReadOnlyPolicy);
 161
 162         bc().setOK(okPB);
 163         bc().setApply(applyPB);
 164         bc().setCancel(closePB);
 165
 166         bc().addReadOnly(fileED);
 167         bc().addReadOnly(browsePB);
 168         bc().addReadOnly(editPB);
 169         bc().addReadOnly(externalCO);
 170         bc().addReadOnly(draftCB);
 171         bc().addReadOnly(displayscaleED);
 172         bc().addReadOnly(showCO);
 173         bc().addReadOnly(displayCB);
 174         bc().addReadOnly(angleED);
 175         bc().addReadOnly(originCO);
 176         bc().addReadOnly(heightUnitCO);
 177         bc().addReadOnly(heightED);
 178         bc().addReadOnly(aspectratioCB);
 179         bc().addReadOnly(widthUnitCO);
 180         bc().addReadOnly(widthED);
 181         bc().addReadOnly(clipCB);
 182         bc().addReadOnly(getbbPB);
 183         bc().addReadOnly(ytED);
 184         bc().addReadOnly(xlED);
 185         bc().addReadOnly(xrED);
 186         bc().addReadOnly(ybED);
 187         bc().addReadOnly(extraFormatCO);
 188         bc().addReadOnly(extraED);
 189
 190         bc().addCheckedLineEdit(angleED, angleLA);
 191         bc().addCheckedLineEdit(displayscaleED, scaleLA);
 192         bc().addCheckedLineEdit(heightED, heightLA);
 193         bc().addCheckedLineEdit(widthED, widthLA);
 194         bc().addCheckedLineEdit(xlED, lbLA);
 195         bc().addCheckedLineEdit(ybED, lbLA);
 196         bc().addCheckedLineEdit(xrED, rtLA);
 197         bc().addCheckedLineEdit(ytED, rtLA);
 198         bc().addCheckedLineEdit(fileED, fileLA);
 199
 200         vector<string> t = templates();
 201
 202         for (vector<string>::const_iterator cit = t.begin();
 203                 cit != t.end(); ++cit) {
 204                 externalCO->addItem(qt_(*cit));
 205         }
 206
 207         // Fill the origins combo
 208         for (size_t i = 0; i != all_origins.size(); ++i)
 209                 originCO->addItem(qt_(origin_gui_strs[i]));
 210
 211         // Fill the width combo
 212         widthUnitCO->addItem(qt_("Scale%"));
 213         for (int i = 0; i < num_units; i++)
 214                 widthUnitCO->addItem(qt_(unit_name_gui[i]));
 215 }
 216
 217
 218 bool GuiExternal::activateAspectratio() const
 219 {
 220         if (widthUnitCO->currentIndex() == 0)
 221                 return false;
 222
 223         string const wstr = fromqstr(widthED->text());
 224         if (wstr.empty())
 225                 return false;
 226         bool const wIsDbl = isStrDbl(wstr);
 227         if (wIsDbl && float_equal(convert<double>(wstr), 0.0, 0.05))
 228                 return false;
 229         Length l;
 230         if (!wIsDbl && (!isValidLength(wstr, &l) || l.zero()))
 231                 return false;
 232
 233         string const hstr = fromqstr(heightED->text());
 234         if (hstr.empty())
 235                 return false;
 236         bool const hIsDbl = isStrDbl(hstr);
 237         if (hIsDbl && float_equal(convert<double>(hstr), 0.0, 0.05))
 238                 return false;
 239         if (!hIsDbl && (!isValidLength(hstr, &l) || l.zero()))
 240                 return false;
 241
 242         return true;
 243 }
 244
 245
 246 void GuiExternal::bbChanged()
 247 {
 248         bbChanged_ = true;
 249         changed();
 250 }
 251
 252
 253 void GuiExternal::browseClicked()
 254 {
 255         int const choice =  externalCO->currentIndex();
 256         QString const template_name = toqstr(getTemplate(choice).lyxName);
 257         QString const str = browse(fileED->text(), template_name);
 258         if (!str.isEmpty()) {
 259                 fileED->setText(str);
 260                 changed();
 261         }
 262 }
 263
 264
 265 void GuiExternal::change_adaptor()
 266 {
 267         changed();
 268 }
 269
 270
 271 void GuiExternal::editClicked()
 272 {
 273         editExternal();
 274 }
 275
 276
 277 void GuiExternal::extraChanged(const QString & text)
 278 {
 279         extra_[extraFormatCO->currentText()] = text;
 280         changed();
 281 }
 282
 283
 284 void GuiExternal::formatChanged(const QString & format)
 285 {
 286         extraED->setText(extra_[format]);
 287 }
 288
 289
 290 void GuiExternal::getbbClicked()
 291 {
 292         getBB();
 293 }
 294
 295
 296 void GuiExternal::sizeChanged()
 297 {
 298         aspectratioCB->setEnabled(activateAspectratio());
 299         changed();
 300 }
 301
 302
 303 void GuiExternal::templateChanged()
 304 {
 305         updateTemplate();
 306         changed();
 307 }
 308
 309
 310 void GuiExternal::widthUnitChanged()
 311 {
 312         bool useHeight = (widthUnitCO->currentIndex() > 0);
 313
 314         if (useHeight)
 315                 widthED->setValidator(unsignedLengthValidator(widthED));
 316         else
 317                 widthED->setValidator(new QDoubleValidator(0, 1000, 2, widthED));
 318
 319         heightED->setEnabled(useHeight);
 320         heightUnitCO->setEnabled(useHeight);
 321         changed();
 322 }
 323
 324
 325 static Length::UNIT defaultUnit()
 326 {
 327         Length::UNIT default_unit = Length::CM;
 328         switch (lyxrc.default_papersize) {
 329         case PAPER_USLETTER:
 330         case PAPER_USLEGAL:
 331         case PAPER_USEXECUTIVE:
 332                 default_unit = Length::IN;
 333                 break;
 334         default:
 335                 break;
 336         }
 337         return default_unit;
 338 }
 339
 340
 341 static void setDisplay(
 342         QCheckBox & displayCB, QComboBox & showCO, QLineEdit & scaleED,
 343         external::DisplayType display, unsigned int scale, bool read_only)
 344 {
 345         int item = 0;
 346         switch (display) {
 347         case external::DefaultDisplay:
 348                 item = 0;
 349                 break;
 350         case external::MonochromeDisplay:
 351                 item = 1;
 352                 break;
 353         case external::GrayscaleDisplay:
 354                 item = 2;
 355                 break;
 356         case external::ColorDisplay:
 357                 item = 3;
 358                 break;
 359         case external::PreviewDisplay:
 360                 item = 4;
 361                 break;
 362         case external::NoDisplay:
 363                 item = 0;
 364                 break;
 365         }
 366
 367         showCO.setCurrentIndex(item);
 368         bool const no_display = display == external::NoDisplay;
 369         showCO.setEnabled(!no_display && !read_only);
 370         displayCB.setChecked(!no_display);
 371         scaleED.setEnabled(!no_display && !read_only);
 372         scaleED.setText(QString::number(scale));
 373 }
 374
 375
 376 static void getDisplay(external::DisplayType & display,
 377                 unsigned int & scale,
 378                 QCheckBox const & displayCB,
 379                 QComboBox const & showCO,
 380                 QLineEdit const & scaleED)
 381 {
 382         switch (showCO.currentIndex()) {
 383         case 0:
 384                 display = external::DefaultDisplay;
 385                 break;
 386         case 1:
 387                 display = external::MonochromeDisplay;
 388                 break;
 389         case 2:
 390                 display = external::GrayscaleDisplay;
 391                 break;
 392         case 3:
 393                 display = external::ColorDisplay;
 394                 break;
 395         case 4:
 396                 display = external::PreviewDisplay;
 397                 break;
 398         }
 399
 400         if (!displayCB.isChecked())
 401                 display = external::NoDisplay;
 402
 403         scale = scaleED.text().toInt();
 404 }
 405
 406
 407 static void setRotation(QLineEdit & angleED, QComboBox & originCO,
 408         external::RotationData const & data)
 409 {
 410         originCO.setCurrentIndex(int(data.origin()));
 411         angleED.setText(toqstr(data.angle));
 412 }
 413
 414
 415 static void getRotation(external::RotationData & data,
 416         QLineEdit const & angleED, QComboBox const & originCO)
 417 {
 418         typedef external::RotationData::OriginType OriginType;
 419
 420         data.origin(static_cast<OriginType>(originCO.currentIndex()));
 421         data.angle = fromqstr(angleED.text());
 422 }
 423
 424
 425 static void setSize(QLineEdit & widthED, QComboBox & widthUnitCO,
 426         QLineEdit & heightED, LengthCombo & heightUnitCO,
 427         QCheckBox & aspectratioCB,
 428         external::ResizeData const & data)
 429 {
 430         bool using_scale = data.usingScale();
 431         string scale = data.scale;
 432         if (data.no_resize()) {
 433                 // Everything is zero, so default to this!
 434                 using_scale = true;
 435                 scale = "100";
 436         }
 437
 438         if (using_scale) {
 439                 widthED.setText(toqstr(scale));
 440                 widthUnitCO.setCurrentIndex(0);
 441         } else {
 442                 widthED.setText(QString::number(data.width.value()));
 443                 // Because 'Scale' is position 0...
 444                 // Note also that width cannot be zero here, so
 445                 // we don't need to worry about the default unit.
 446                 widthUnitCO.setCurrentIndex(data.width.unit() + 1);
 447         }
 448
 449         string const h = data.height.zero() ? string() : data.height.asString();
 450         Length::UNIT default_unit = data.width.zero() ?
 451                 defaultUnit() : data.width.unit();
 452         lengthToWidgets(&heightED, &heightUnitCO, h, default_unit);
 453
 454         heightED.setEnabled(!using_scale);
 455         heightUnitCO.setEnabled(!using_scale);
 456
 457         aspectratioCB.setChecked(data.keepAspectRatio);
 458
 459         bool const disable_aspectRatio = using_scale ||
 460                 data.width.zero() || data.height.zero();
 461         aspectratioCB.setEnabled(!disable_aspectRatio);
 462 }
 463
 464
 465 static void getSize(external::ResizeData & data,
 466         QLineEdit const & widthED, QComboBox const & widthUnitCO,
 467         QLineEdit const & heightED, LengthCombo const & heightUnitCO,
 468         QCheckBox const & aspectratioCB)
 469 {
 470         string const width = fromqstr(widthED.text());
 471
 472         if (widthUnitCO.currentIndex() > 0) {
 473                 // Subtract one, because scale is 0.
 474                 int const unit = widthUnitCO.currentIndex() - 1;
 475
 476                 Length w;
 477                 if (isValidLength(width, &w))
 478                         data.width = w;
 479                 else if (isStrDbl(width))
 480                         data.width = Length(convert<double>(width),
 481                                            static_cast<Length::UNIT>(unit));
 482                 else
 483                         data.width = Length();
 484
 485                 data.scale = string();
 486
 487         } else {
 488                 // scaling instead of a width
 489                 data.scale = width;
 490                 data.width = Length();
 491         }
 492
 493         data.height = Length(widgetsToLength(&heightED, &heightUnitCO));
 494
 495         data.keepAspectRatio = aspectratioCB.isChecked();
 496 }
 497
 498
 499 void setCrop(QCheckBox & clipCB,
 500         QLineEdit & xlED, QLineEdit & ybED,
 501         QLineEdit & xrED, QLineEdit & ytED,
 502         external::ClipData const & data)
 503 {
 504         clipCB.setChecked(data.clip);
 505         graphics::BoundingBox const & bbox = data.bbox;
 506         xlED.setText(QString::number(bbox.xl));
 507         ybED.setText(QString::number(bbox.yb));
 508         xrED.setText(QString::number(bbox.xr));
 509         ytED.setText(QString::number(bbox.yt));
 510 }
 511
 512
 513 static void getCrop(external::ClipData & data,
 514         QCheckBox const & clipCB,
 515         QLineEdit const & xlED, QLineEdit const & ybED,
 516         QLineEdit const & xrED, QLineEdit const & ytED,
 517         bool bb_changed)
 518 {
 519         data.clip = clipCB.isChecked();
 520
 521         if (!bb_changed)
 522                 return;
 523
 524         data.bbox.xl = xlED.text().toInt();
 525         data.bbox.yb = ybED.text().toInt();
 526         data.bbox.xr = xrED.text().toInt();
 527         data.bbox.yt = ytED.text().toInt();
 528 }
 529
 530
 531 static void getExtra(external::ExtraData & data,
 532               GuiExternal::MapType const & extra)
 533 {
 534         typedef GuiExternal::MapType MapType;
 535         MapType::const_iterator it = extra.begin();
 536         MapType::const_iterator const end = extra.end();
 537         for (; it != end; ++it)
 538                 data.set(fromqstr(it.key()), fromqstr(it.value().trimmed()));
 539 }
 540
 541
 542 void GuiExternal::updateContents()
 543 {
 544         tab->setCurrentIndex(0);
 545
 546         string const name =
 547                 params_.filename.outputFilename(fromqstr(bufferFilepath()));
 548         fileED->setText(toqstr(name));
 549
 550         externalCO->setCurrentIndex(templateNumber(params_.templatename()));
 551         updateTemplate();
 552
 553         draftCB->setChecked(params_.draft);
 554
 555         setDisplay(*displayCB, *showCO, *displayscaleED,
 556                    params_.display, params_.lyxscale, isBufferReadonly());
 557
 558         setRotation(*angleED, *originCO, params_.rotationdata);
 559
 560         setSize(*widthED, *widthUnitCO, *heightED, *heightUnitCO,
 561                 *aspectratioCB, params_.resizedata);
 562
 563         setCrop(*clipCB, *xlED, *ybED, *xrED, *ytED, params_.clipdata);
 564         bbChanged_ = !params_.clipdata.bbox.empty();
 565
 566         isValid();
 567 }
 568
 569
 570 void GuiExternal::updateTemplate()
 571 {
 572         external::Template templ = getTemplate(externalCO->currentIndex());
 573         externalTB->setPlainText(qt_(templ.helpText));
 574
 575         // Ascertain which (if any) transformations the template supports
 576         // and disable tabs hosting unsupported transforms.
 577         typedef vector<external::TransformID> TransformIDs;
 578         TransformIDs const transformIds = templ.transformIds;
 579         TransformIDs::const_iterator tr_begin = transformIds.begin();
 580         TransformIDs::const_iterator const tr_end = transformIds.end();
 581
 582         bool found = std::find(tr_begin, tr_end, external::Rotate) != tr_end;
 583         tab->setTabEnabled(tab->indexOf(rotatetab), found);
 584         found = std::find(tr_begin, tr_end, external::Resize) != tr_end;
 585         tab->setTabEnabled(tab->indexOf(scaletab), found);
 586
 587         found = std::find(tr_begin, tr_end, external::Clip) != tr_end;
 588         tab->setTabEnabled(tab->indexOf(croptab), found);
 589
 590         found = std::find(tr_begin, tr_end, external::Extra) != tr_end;
 591         tab->setTabEnabled(tab->indexOf(optionstab), found);
 592
 593         if (!found)
 594                 return;
 595
 596         // Ascertain whether the template has any formats supporting
 597         // the 'Extra' option
 598         extra_.clear();
 599         extraED->clear();
 600         extraFormatCO->clear();
 601
 602         external::Template::Formats::const_iterator it  = templ.formats.begin();
 603         external::Template::Formats::const_iterator end = templ.formats.end();
 604         for (; it != end; ++it) {
 605                 if (it->second.option_transformers.find(external::Extra) ==
 606                     it->second.option_transformers.end())
 607                         continue;
 608                 string const format = it->first;
 609                 string const opt = params_.extradata.get(format);
 610                 extraFormatCO->addItem(toqstr(format));
 611                 extra_[toqstr(format)] = toqstr(opt);
 612         }
 613
 614         bool const enabled = extraFormatCO->count()  > 0;
 615
 616         tab->setTabEnabled(tab->indexOf(optionstab), enabled);
 617         extraED->setEnabled(enabled && !isBufferReadonly());
 618         extraFormatCO->setEnabled(enabled);
 619
 620         if (enabled) {
 621                 extraFormatCO->setCurrentIndex(0);
 622                 extraED->setText(extra_[extraFormatCO->currentText()]);
 623         }
 624 }
 625
 626
 627 void GuiExternal::applyView()
 628 {
 629         params_.filename.set(fromqstr(fileED->text()), fromqstr(bufferFilepath()));
 630         params_.settemplate(getTemplate(externalCO->currentIndex()).lyxName);
 631
 632         params_.draft = draftCB->isChecked();
 633
 634         getDisplay(params_.display, params_.lyxscale,
 635                    *displayCB, *showCO,
 636                    *displayscaleED);
 637
 638         if (tab->isTabEnabled(tab->indexOf(rotatetab)))
 639                 getRotation(params_.rotationdata, *angleED, *originCO);
 640
 641         if (tab->isTabEnabled(tab->indexOf(scaletab)))
 642                 getSize(params_.resizedata, *widthED, *widthUnitCO,
 643                         *heightED, *heightUnitCO, *aspectratioCB);
 644
 645         if (tab->isTabEnabled(tab->indexOf(croptab)))
 646                 getCrop(params_.clipdata, *clipCB, *xlED, *ybED,
 647                         *xrED, *ytED, bbChanged_);
 648
 649         if (tab->isTabEnabled(tab->indexOf(optionstab)))
 650                 getExtra(params_.extradata, extra_);
 651 }
 652
 653
 654 void GuiExternal::getBB()
 655 {
 656         xlED->setText("0");
 657         ybED->setText("0");
 658         xrED->setText("0");
 659         ytED->setText("0");
 660
 661         string const filename = fromqstr(fileED->text());
 662         if (filename.empty())
 663                 return;
 664
 665         string const bb = readBB(filename);
 666         if (bb.empty())
 667                 return;
 668
 669         xlED->setText(toqstr(token(bb, ' ', 0)));
 670         ybED->setText(toqstr(token(bb, ' ', 1)));
 671         xrED->setText(toqstr(token(bb, ' ', 2)));
 672         ytED->setText(toqstr(token(bb, ' ', 3)));
 673
 674         bbChanged_ = false;
 675 }
 676
 677
 678 bool GuiExternal::initialiseParams(string const & data)
 679 {
 680         InsetExternal::string2params(data, buffer(), params_);
 681         return true;
 682 }
 683
 684
 685 void GuiExternal::clearParams()
 686 {
 687         params_ = InsetExternalParams();
 688 }
 689
 690
 691 void GuiExternal::dispatchParams()
 692 {
 693         string const lfun = InsetExternal::params2string(params_, buffer());
 694         dispatch(FuncRequest(getLfun(), lfun));
 695 }
 696
 697
 698 void GuiExternal::editExternal()
 699 {
 700         applyView();
 701         string const lfun = InsetExternal::params2string(params_, buffer());
 702         dispatch(FuncRequest(LFUN_EXTERNAL_EDIT, lfun));
 703 }
 704
 705
 706 vector<string> GuiExternal::templates() const
 707 {
 708         vector<string> result;
 709
 710         external::TemplateManager::Templates::const_iterator i1, i2;
 711         i1 = external::TemplateManager::get().getTemplates().begin();
 712         i2 = external::TemplateManager::get().getTemplates().end();
 713
 714         for (; i1 != i2; ++i1)
 715                 result.push_back(i1->second.lyxName);
 716
 717         return result;
 718 }
 719
 720
 721 int GuiExternal::templateNumber(string const & name) const
 722 {
 723         external::TemplateManager::Templates::const_iterator i1, i2;
 724         i1 = external::TemplateManager::get().getTemplates().begin();
 725         i2 = external::TemplateManager::get().getTemplates().end();
 726         for (int i = 0; i1 != i2; ++i1, ++i) {
 727                 if (i1->second.lyxName == name)
 728                         return i;
 729         }
 730
 731         // we can get here if a LyX document has a template not installed
 732         // on this machine.
 733         return -1;
 734 }
 735
 736
 737 external::Template GuiExternal::getTemplate(int i) const
 738 {
 739         external::TemplateManager::Templates::const_iterator i1
 740                 = external::TemplateManager::get().getTemplates().begin();
 741
 742         advance(i1, i);
 743
 744         return i1->second;
 745 }
 746
 747
 748 string GuiExternal::templateFilters(string const & template_name) const
 749 {
 750         /// Determine the template file extension
 751         external::TemplateManager const & etm =
 752                 external::TemplateManager::get();
 753         external::Template const * const et_ptr =
 754                 etm.getTemplateByName(template_name);
 755
 756         if (et_ptr)
 757                 return et_ptr->fileRegExp;
 758
 759         return string();
 760 }
 761
 762
 763 QString GuiExternal::browse(QString const & input,
 764                                      QString const & template_name) const
 765 {
 766         QString const title = qt_("Select external file");
 767         QString const bufpath = bufferFilepath();
 768         FileFilterList const filter =
 769                 FileFilterList(from_utf8(templateFilters(fromqstr(template_name))));
 770
 771         QString const label1 = qt_("Documents|#o#O");
 772         QString const dir1 = toqstr(lyxrc.document_path);
 773
 774         return browseRelFile(input, bufpath, title, filter, false, label1, dir1);
 775 }
 776
 777
 778 string const GuiExternal::readBB(string const & file)
 779 {
 780         FileName const abs_file(makeAbsPath(file, fromqstr(bufferFilepath())));
 781
 782         // try to get it from the file, if possible. Zipped files are
 783         // unzipped in the readBB_from_PSFile-Function
 784         string const bb = readBB_from_PSFile(abs_file);
 785         if (!bb.empty())
 786                 return bb;
 787
 788         // we don't, so ask the Graphics Cache if it has loaded the file
 789         int width = 0;
 790         int height = 0;
 791
 792         graphics::Cache & gc = graphics::Cache::get();
 793         if (gc.inCache(abs_file)) {
 794                 graphics::Image const * image = gc.item(abs_file)->image();
 795
 796                 if (image) {
 797                         width  = image->width();
 798                         height = image->height();
 799                 }
 800         }
 801
 802         return ("0 0 " + convert<string>(width) + ' ' + convert<string>(height));
 803 }
 804
 805
 806 Dialog * createGuiExternal(GuiView & lv) { return new GuiExternal(lv); }
 807
 808
 809 } // namespace frontend
 810 } // namespace lyx
 811
 812 #include "GuiExternal_moc.cpp"