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 "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 <QCloseEvent>
  42 #include <QCheckBox>
  43 #include <QLineEdit>
  44 #include <QPushButton>
  45 #include <QTabWidget>
  46 #include <QTextBrowser>
  47
  48 using std::advance;
  49 using std::vector;
  50 using std::string;
  51
  52
  53 namespace lyx {
  54 namespace frontend {
  55
  56 using support::FileFilterList;
  57 using support::FileName;
  58 using support::float_equal;
  59 using support::isStrDbl;
  60 using support::makeAbsPath;
  61 using support::readBB_from_PSFile;
  62 using support::token;
  63 using support::trim;
  64 using support::os::internal_path;
  65
  66 using namespace external;
  67
  68 namespace {
  69
  70 RotationDataType origins_array[] = {
  71         RotationData::DEFAULT,
  72         RotationData::TOPLEFT,
  73         RotationData::BOTTOMLEFT,
  74         RotationData::BASELINELEFT,
  75         RotationData::CENTER,
  76         RotationData::TOPCENTER,
  77         RotationData::BOTTOMCENTER,
  78         RotationData::BASELINECENTER,
  79         RotationData::TOPRIGHT,
  80         RotationData::BOTTOMRIGHT,
  81         RotationData::BASELINERIGHT
  82 };
  83
  84
  85 size_type const origins_array_size =
  86 sizeof(origins_array) / sizeof(origins_array[0]);
  87
  88 vector<external::RotationDataType> const
  89 all_origins(origins_array, origins_array + origins_array_size);
  90
  91 // These are the strings, corresponding to the above, that the GUI should
  92 // use. Note that they can/should be translated.
  93 char const * const origin_gui_strs[] = {
  94         N_("Default"),
  95         N_("Top left"), N_("Bottom left"), N_("Baseline left"),
  96         N_("Center"), N_("Top center"), N_("Bottom center"), N_("Baseline center"),
  97         N_("Top right"), N_("Bottom right"), N_("Baseline right")
  98 };
  99
 100 } // namespace anon
 101
 102
 103 GuiExternal::GuiExternal(LyXView & lv)
 104         : GuiDialog(lv, "external"), bbChanged_(false)
 105 {
 106         setupUi(this);
 107         setViewTitle(_("External Material"));
 108
 109         connect(okPB, SIGNAL(clicked()), this, SLOT(slotOK()));
 110         connect(applyPB, SIGNAL(clicked()), this, SLOT(slotApply()));
 111         connect(closePB, SIGNAL(clicked()), this, SLOT(slotClose()));
 112
 113         connect(displayCB, SIGNAL(toggled(bool)),
 114                 showCO, SLOT(setEnabled(bool)));
 115         connect(displayCB, SIGNAL(toggled(bool)),
 116                 displayscaleED, SLOT(setEnabled(bool)));
 117         connect(showCO, SIGNAL(activated(QString)),
 118                 this, SLOT(change_adaptor()));
 119         connect(originCO, SIGNAL(activated(int)),
 120                 this, SLOT(change_adaptor()));
 121         connect(aspectratioCB, SIGNAL(stateChanged(int)),
 122                 this, SLOT(change_adaptor()));
 123         connect(browsePB, SIGNAL(clicked()),
 124                 this, SLOT(browseClicked()));
 125         connect(editPB, SIGNAL(clicked()),
 126                 this, SLOT(editClicked()));
 127         connect(externalCO, SIGNAL(activated(QString)),
 128                 this, SLOT(templateChanged()));
 129         connect(extraED, SIGNAL(textChanged(QString)),
 130                 this, SLOT(extraChanged(QString)));
 131         connect(extraFormatCO, SIGNAL(activated(QString)),
 132                 this, SLOT(formatChanged(QString)));
 133         connect(widthUnitCO, SIGNAL(activated(int)),
 134                 this, SLOT(widthUnitChanged()));
 135         connect(heightUnitCO, SIGNAL(selectionChanged(lyx::Length::UNIT)),
 136                 this, SLOT(change_adaptor()));
 137         connect(displayCB, SIGNAL(stateChanged(int)),
 138                 this, SLOT(change_adaptor()));
 139         connect(displayscaleED, SIGNAL(textChanged(QString)),
 140                 this, SLOT(change_adaptor()));
 141         connect(angleED, SIGNAL(textChanged(QString)),
 142                 this, SLOT(change_adaptor()));
 143         connect(widthED, SIGNAL(textChanged(QString)),
 144                 this, SLOT(sizeChanged()));
 145         connect(heightED, SIGNAL(textChanged(QString)),
 146                 this, SLOT(sizeChanged()));
 147         connect(fileED, SIGNAL(textChanged(QString)),
 148                 this, SLOT(change_adaptor()));
 149         connect(clipCB, SIGNAL(stateChanged(int)),
 150                 this, SLOT(change_adaptor()));
 151         connect(getbbPB, SIGNAL(clicked()), this, SLOT(getbbClicked()));
 152         connect(xrED, SIGNAL(textChanged(QString)), this, SLOT(bbChanged()));
 153         connect(ytED, SIGNAL(textChanged(QString)), this, SLOT(bbChanged()));
 154         connect(xlED, SIGNAL(textChanged(QString)), this, SLOT(bbChanged()));
 155         connect(ybED, SIGNAL(textChanged(QString)), this, SLOT(bbChanged()));
 156         connect(draftCB, SIGNAL(clicked()), this, SLOT(change_adaptor()));
 157
 158         QIntValidator * validator = new QIntValidator(displayscaleED);
 159         validator->setBottom(1);
 160         displayscaleED->setValidator(validator);
 161
 162         angleED->setValidator(new QDoubleValidator(-360, 360, 2, angleED));
 163
 164         xlED->setValidator(new QIntValidator(xlED));
 165         ybED->setValidator(new QIntValidator(ybED));
 166         xrED->setValidator(new QIntValidator(xrED));
 167         ytED->setValidator(new QIntValidator(ytED));
 168
 169         widthED->setValidator(unsignedLengthValidator(widthED));
 170         heightED->setValidator(unsignedLengthValidator(heightED));
 171
 172         setFocusProxy(fileED);
 173
 174         bc().setPolicy(ButtonPolicy::NoRepeatedApplyReadOnlyPolicy);
 175
 176         bc().setOK(okPB);
 177         bc().setApply(applyPB);
 178         bc().setCancel(closePB);
 179
 180         bc().addReadOnly(fileED);
 181         bc().addReadOnly(browsePB);
 182         bc().addReadOnly(editPB);
 183         bc().addReadOnly(externalCO);
 184         bc().addReadOnly(draftCB);
 185         bc().addReadOnly(displayscaleED);
 186         bc().addReadOnly(showCO);
 187         bc().addReadOnly(displayCB);
 188         bc().addReadOnly(angleED);
 189         bc().addReadOnly(originCO);
 190         bc().addReadOnly(heightUnitCO);
 191         bc().addReadOnly(heightED);
 192         bc().addReadOnly(aspectratioCB);
 193         bc().addReadOnly(widthUnitCO);
 194         bc().addReadOnly(widthED);
 195         bc().addReadOnly(clipCB);
 196         bc().addReadOnly(getbbPB);
 197         bc().addReadOnly(ytED);
 198         bc().addReadOnly(xlED);
 199         bc().addReadOnly(xrED);
 200         bc().addReadOnly(ybED);
 201         bc().addReadOnly(extraFormatCO);
 202         bc().addReadOnly(extraED);
 203
 204         bc().addCheckedLineEdit(angleED, angleLA);
 205         bc().addCheckedLineEdit(displayscaleED, scaleLA);
 206         bc().addCheckedLineEdit(heightED, heightLA);
 207         bc().addCheckedLineEdit(widthED, widthLA);
 208         bc().addCheckedLineEdit(xlED, lbLA);
 209         bc().addCheckedLineEdit(ybED, lbLA);
 210         bc().addCheckedLineEdit(xrED, rtLA);
 211         bc().addCheckedLineEdit(ytED, rtLA);
 212         bc().addCheckedLineEdit(fileED, fileLA);
 213
 214         std::vector<string> templates = getTemplates();
 215
 216         for (std::vector<string>::const_iterator cit = templates.begin();
 217                 cit != templates.end(); ++cit) {
 218                 externalCO->addItem(qt_(*cit));
 219         }
 220
 221         // Fill the origins combo
 222         for (size_t i = 0; i != all_origins.size(); ++i)
 223                 originCO->addItem(qt_(origin_gui_strs[i]));
 224
 225         // Fill the width combo
 226         widthUnitCO->addItem(qt_("Scale%"));
 227         for (int i = 0; i < num_units; i++)
 228                 widthUnitCO->addItem(qt_(unit_name_gui[i]));
 229 }
 230
 231
 232 bool GuiExternal::activateAspectratio() const
 233 {
 234         if (widthUnitCO->currentIndex() == 0)
 235                 return false;
 236
 237         string const wstr = fromqstr(widthED->text());
 238         if (wstr.empty())
 239                 return false;
 240         bool const wIsDbl = isStrDbl(wstr);
 241         if (wIsDbl && float_equal(convert<double>(wstr), 0.0, 0.05))
 242                 return false;
 243         Length l;
 244         if (!wIsDbl && (!isValidLength(wstr, &l) || l.zero()))
 245                 return false;
 246
 247         string const hstr = fromqstr(heightED->text());
 248         if (hstr.empty())
 249                 return false;
 250         bool const hIsDbl = isStrDbl(hstr);
 251         if (hIsDbl && float_equal(convert<double>(hstr), 0.0, 0.05))
 252                 return false;
 253         if (!hIsDbl && (!isValidLength(hstr, &l) || l.zero()))
 254                 return false;
 255
 256         return true;
 257 }
 258
 259
 260 void GuiExternal::bbChanged()
 261 {
 262         bbChanged_ = true;
 263         changed();
 264 }
 265
 266
 267 void GuiExternal::browseClicked()
 268 {
 269         int const choice =  externalCO->currentIndex();
 270         docstring const template_name = from_utf8(getTemplate(choice).lyxName);
 271         docstring const str = browse(qstring_to_ucs4(fileED->text()), template_name);
 272         if (!str.empty()) {
 273                 fileED->setText(toqstr(str));
 274                 changed();
 275         }
 276 }
 277
 278
 279 void GuiExternal::change_adaptor()
 280 {
 281         changed();
 282 }
 283
 284
 285 void GuiExternal::closeEvent(QCloseEvent * e)
 286 {
 287         slotClose();
 288         e->accept();
 289 }
 290
 291
 292 void GuiExternal::editClicked()
 293 {
 294         editExternal();
 295 }
 296
 297
 298
 299 void GuiExternal::extraChanged(const QString& text)
 300 {
 301         std::string const format = fromqstr(extraFormatCO->currentText());
 302         extra_[format] = text;
 303         changed();
 304 }
 305
 306
 307 void GuiExternal::formatChanged(const QString& format)
 308 {
 309         extraED->setText(extra_[fromqstr(format)]);
 310 }
 311
 312
 313 void GuiExternal::getbbClicked()
 314 {
 315         getBB();
 316 }
 317
 318
 319 void GuiExternal::sizeChanged()
 320 {
 321         aspectratioCB->setEnabled(activateAspectratio());
 322         changed();
 323 }
 324
 325
 326 void GuiExternal::templateChanged()
 327 {
 328         updateTemplate();
 329         changed();
 330 }
 331
 332
 333 void GuiExternal::widthUnitChanged()
 334 {
 335         bool useHeight = (widthUnitCO->currentIndex() > 0);
 336
 337         if (useHeight)
 338                 widthED->setValidator(unsignedLengthValidator(widthED));
 339         else
 340                 widthED->setValidator(new QDoubleValidator(0, 1000, 2, widthED));
 341
 342         heightED->setEnabled(useHeight);
 343         heightUnitCO->setEnabled(useHeight);
 344         changed();
 345 }
 346
 347
 348 static Length::UNIT defaultUnit()
 349 {
 350         Length::UNIT default_unit = Length::CM;
 351         switch (lyxrc.default_papersize) {
 352         case PAPER_USLETTER:
 353         case PAPER_USLEGAL:
 354         case PAPER_USEXECUTIVE:
 355                 default_unit = Length::IN;
 356                 break;
 357         default:
 358                 break;
 359         }
 360         return default_unit;
 361 }
 362
 363
 364 static void setDisplay(
 365         QCheckBox & displayCB, QComboBox & showCO, QLineEdit & scaleED,
 366         external::DisplayType display, unsigned int scale, bool read_only)
 367 {
 368         int item = 0;
 369         switch (display) {
 370         case external::DefaultDisplay:
 371                 item = 0;
 372                 break;
 373         case external::MonochromeDisplay:
 374                 item = 1;
 375                 break;
 376         case external::GrayscaleDisplay:
 377                 item = 2;
 378                 break;
 379         case external::ColorDisplay:
 380                 item = 3;
 381                 break;
 382         case external::PreviewDisplay:
 383                 item = 4;
 384                 break;
 385         case external::NoDisplay:
 386                 item = 0;
 387                 break;
 388         }
 389
 390         showCO.setCurrentIndex(item);
 391         bool const no_display = display == external::NoDisplay;
 392         showCO.setEnabled(!no_display && !read_only);
 393         displayCB.setChecked(!no_display);
 394         scaleED.setEnabled(!no_display && !read_only);
 395         scaleED.setText(QString::number(scale));
 396 }
 397
 398
 399 static void getDisplay(external::DisplayType & display,
 400                 unsigned int & scale,
 401                 QCheckBox const & displayCB,
 402                 QComboBox const & showCO,
 403                 QLineEdit const & scaleED)
 404 {
 405         switch (showCO.currentIndex()) {
 406         case 0:
 407                 display = external::DefaultDisplay;
 408                 break;
 409         case 1:
 410                 display = external::MonochromeDisplay;
 411                 break;
 412         case 2:
 413                 display = external::GrayscaleDisplay;
 414                 break;
 415         case 3:
 416                 display = external::ColorDisplay;
 417                 break;
 418         case 4:
 419                 display = external::PreviewDisplay;
 420                 break;
 421         }
 422
 423         if (!displayCB.isChecked())
 424                 display = external::NoDisplay;
 425
 426         scale = scaleED.text().toInt();
 427 }
 428
 429
 430 static void setRotation(QLineEdit & angleED, QComboBox & originCO,
 431         external::RotationData const & data)
 432 {
 433         originCO.setCurrentIndex(int(data.origin()));
 434         angleED.setText(toqstr(data.angle));
 435 }
 436
 437
 438 static void getRotation(external::RotationData & data,
 439         QLineEdit const & angleED, QComboBox const & originCO)
 440 {
 441         typedef external::RotationData::OriginType OriginType;
 442
 443         data.origin(static_cast<OriginType>(originCO.currentIndex()));
 444         data.angle = fromqstr(angleED.text());
 445 }
 446
 447
 448 static void setSize(QLineEdit & widthED, QComboBox & widthUnitCO,
 449         QLineEdit & heightED, LengthCombo & heightUnitCO,
 450         QCheckBox & aspectratioCB,
 451         external::ResizeData const & data)
 452 {
 453         bool using_scale = data.usingScale();
 454         std::string scale = data.scale;
 455         if (data.no_resize()) {
 456                 // Everything is zero, so default to this!
 457                 using_scale = true;
 458                 scale = "100";
 459         }
 460
 461         if (using_scale) {
 462                 widthED.setText(toqstr(scale));
 463                 widthUnitCO.setCurrentIndex(0);
 464         } else {
 465                 widthED.setText(QString::number(data.width.value()));
 466                 // Because 'Scale' is position 0...
 467                 // Note also that width cannot be zero here, so
 468                 // we don't need to worry about the default unit.
 469                 widthUnitCO.setCurrentIndex(data.width.unit() + 1);
 470         }
 471
 472         string const h = data.height.zero() ? string() : data.height.asString();
 473         Length::UNIT default_unit = data.width.zero() ?
 474                 defaultUnit() : data.width.unit();
 475         lengthToWidgets(&heightED, &heightUnitCO, h, default_unit);
 476
 477         heightED.setEnabled(!using_scale);
 478         heightUnitCO.setEnabled(!using_scale);
 479
 480         aspectratioCB.setChecked(data.keepAspectRatio);
 481
 482         bool const disable_aspectRatio = using_scale ||
 483                 data.width.zero() || data.height.zero();
 484         aspectratioCB.setEnabled(!disable_aspectRatio);
 485 }
 486
 487
 488 static void getSize(external::ResizeData & data,
 489         QLineEdit const & widthED, QComboBox const & widthUnitCO,
 490         QLineEdit const & heightED, LengthCombo const & heightUnitCO,
 491         QCheckBox const & aspectratioCB)
 492 {
 493         string const width = fromqstr(widthED.text());
 494
 495         if (widthUnitCO.currentIndex() > 0) {
 496                 // Subtract one, because scale is 0.
 497                 int const unit = widthUnitCO.currentIndex() - 1;
 498
 499                 Length w;
 500                 if (isValidLength(width, &w))
 501                         data.width = w;
 502                 else if (isStrDbl(width))
 503                         data.width = Length(convert<double>(width),
 504                                            static_cast<Length::UNIT>(unit));
 505                 else
 506                         data.width = Length();
 507
 508                 data.scale = string();
 509
 510         } else {
 511                 // scaling instead of a width
 512                 data.scale = width;
 513                 data.width = Length();
 514         }
 515
 516         data.height = Length(widgetsToLength(&heightED, &heightUnitCO));
 517
 518         data.keepAspectRatio = aspectratioCB.isChecked();
 519 }
 520
 521
 522 void setCrop(QCheckBox & clipCB,
 523         QLineEdit & xlED, QLineEdit & ybED,
 524         QLineEdit & xrED, QLineEdit & ytED,
 525         external::ClipData const & data)
 526 {
 527         clipCB.setChecked(data.clip);
 528         graphics::BoundingBox const & bbox = data.bbox;
 529         xlED.setText(QString::number(bbox.xl));
 530         ybED.setText(QString::number(bbox.yb));
 531         xrED.setText(QString::number(bbox.xr));
 532         ytED.setText(QString::number(bbox.yt));
 533 }
 534
 535
 536 static void getCrop(external::ClipData & data,
 537         QCheckBox const & clipCB,
 538         QLineEdit const & xlED, QLineEdit const & ybED,
 539         QLineEdit const & xrED, QLineEdit const & ytED,
 540         bool bb_changed)
 541 {
 542         data.clip = clipCB.isChecked();
 543
 544         if (!bb_changed)
 545                 return;
 546
 547         data.bbox.xl = xlED.text().toInt();
 548         data.bbox.yb = ybED.text().toInt();
 549         data.bbox.xr = xrED.text().toInt();
 550         data.bbox.yt = ytED.text().toInt();
 551 }
 552
 553
 554 static void getExtra(external::ExtraData & data,
 555               GuiExternal::MapType const & extra)
 556 {
 557         typedef GuiExternal::MapType MapType;
 558         MapType::const_iterator it = extra.begin();
 559         MapType::const_iterator const end = extra.end();
 560         for (; it != end; ++it)
 561                 data.set(it->first, trim(fromqstr(it->second)));
 562 }
 563
 564
 565 void GuiExternal::updateContents()
 566 {
 567         tab->setCurrentIndex(0);
 568
 569         string const name =
 570                 params_.filename.outputFilename(bufferFilepath());
 571         fileED->setText(toqstr(name));
 572
 573         externalCO->setCurrentIndex(getTemplateNumber(params_.templatename()));
 574         updateTemplate();
 575
 576         draftCB->setChecked(params_.draft);
 577
 578         setDisplay(*displayCB, *showCO, *displayscaleED,
 579                    params_.display, params_.lyxscale, isBufferReadonly());
 580
 581         setRotation(*angleED, *originCO, params_.rotationdata);
 582
 583         setSize(*widthED, *widthUnitCO, *heightED, *heightUnitCO,
 584                 *aspectratioCB, params_.resizedata);
 585
 586         setCrop(*clipCB, *xlED, *ybED, *xrED, *ytED, params_.clipdata);
 587         bbChanged_ = !params_.clipdata.bbox.empty();
 588
 589         isValid();
 590 }
 591
 592
 593 void GuiExternal::updateTemplate()
 594 {
 595         external::Template templ = getTemplate(externalCO->currentIndex());
 596         externalTB->setPlainText(qt_(templ.helpText));
 597
 598         // Ascertain which (if any) transformations the template supports
 599         // and disable tabs hosting unsupported transforms.
 600         typedef vector<external::TransformID> TransformIDs;
 601         TransformIDs const transformIds = templ.transformIds;
 602         TransformIDs::const_iterator tr_begin = transformIds.begin();
 603         TransformIDs::const_iterator const tr_end = transformIds.end();
 604
 605         bool found = std::find(tr_begin, tr_end, external::Rotate) != tr_end;
 606         tab->setTabEnabled(tab->indexOf(rotatetab), found);
 607         found = std::find(tr_begin, tr_end, external::Resize) != tr_end;
 608         tab->setTabEnabled(tab->indexOf(scaletab), found);
 609
 610         found = std::find(tr_begin, tr_end, external::Clip) != tr_end;
 611         tab->setTabEnabled(tab->indexOf(croptab), found);
 612
 613         found = std::find(tr_begin, tr_end, external::Extra) != tr_end;
 614         tab->setTabEnabled(tab->indexOf(optionstab), found);
 615
 616         if (!found)
 617                 return;
 618
 619         // Ascertain whether the template has any formats supporting
 620         // the 'Extra' option
 621         extra_.clear();
 622         extraED->clear();
 623         extraFormatCO->clear();
 624
 625         external::Template::Formats::const_iterator it  = templ.formats.begin();
 626         external::Template::Formats::const_iterator end = templ.formats.end();
 627         for (; it != end; ++it) {
 628                 if (it->second.option_transformers.find(external::Extra) ==
 629                     it->second.option_transformers.end())
 630                         continue;
 631                 string const format = it->first;
 632                 string const opt = params_.extradata.get(format);
 633                 extraFormatCO->addItem(toqstr(format));
 634                 extra_[format] = toqstr(opt);
 635         }
 636
 637         bool const enabled = extraFormatCO->count()  > 0;
 638
 639         tab->setTabEnabled(
 640                 tab->indexOf(optionstab), enabled);
 641         extraED->setEnabled(enabled && !isBufferReadonly());
 642         extraFormatCO->setEnabled(enabled);
 643
 644         if (enabled) {
 645                 extraFormatCO->setCurrentIndex(0);
 646                 extraED->setText(extra_[fromqstr(extraFormatCO->currentText())]);
 647         }
 648 }
 649
 650
 651 void GuiExternal::applyView()
 652 {
 653         params_.filename.set(internal_path(fromqstr(fileED->text())),
 654                             bufferFilepath());
 655
 656         params_.settemplate(getTemplate(externalCO->currentIndex()).lyxName);
 657
 658         params_.draft = draftCB->isChecked();
 659
 660         getDisplay(params_.display, params_.lyxscale,
 661                    *displayCB, *showCO,
 662                    *displayscaleED);
 663
 664         if (tab->isTabEnabled(tab->indexOf(rotatetab)))
 665                 getRotation(params_.rotationdata, *angleED, *originCO);
 666
 667         if (tab->isTabEnabled(tab->indexOf(scaletab)))
 668                 getSize(params_.resizedata, *widthED, *widthUnitCO,
 669                         *heightED, *heightUnitCO, *aspectratioCB);
 670
 671         if (tab->isTabEnabled(tab->indexOf(croptab)))
 672                 getCrop(params_.clipdata, *clipCB, *xlED, *ybED,
 673                         *xrED, *ytED, bbChanged_);
 674
 675         if (tab->isTabEnabled(tab->indexOf(optionstab)))
 676                 getExtra(params_.extradata, extra_);
 677 }
 678
 679
 680 void GuiExternal::getBB()
 681 {
 682         xlED->setText("0");
 683         ybED->setText("0");
 684         xrED->setText("0");
 685         ytED->setText("0");
 686
 687         string const filename = fromqstr(fileED->text());
 688         if (filename.empty())
 689                 return;
 690
 691         string const bb = readBB(filename);
 692         if (bb.empty())
 693                 return;
 694
 695         xlED->setText(toqstr(token(bb, ' ', 0)));
 696         ybED->setText(toqstr(token(bb, ' ', 1)));
 697         xrED->setText(toqstr(token(bb, ' ', 2)));
 698         ytED->setText(toqstr(token(bb, ' ', 3)));
 699
 700         bbChanged_ = false;
 701 }
 702
 703
 704 bool GuiExternal::initialiseParams(string const & data)
 705 {
 706         InsetExternalMailer::string2params(data, buffer(), params_);
 707         return true;
 708 }
 709
 710
 711 void GuiExternal::clearParams()
 712 {
 713         params_ = InsetExternalParams();
 714 }
 715
 716
 717 void GuiExternal::dispatchParams()
 718 {
 719         string const lfun = InsetExternalMailer::params2string(params_, buffer());
 720         dispatch(FuncRequest(getLfun(), lfun));
 721 }
 722
 723
 724 void GuiExternal::editExternal()
 725 {
 726         applyView();
 727         string const lfun = InsetExternalMailer::params2string(params_, buffer());
 728         dispatch(FuncRequest(LFUN_EXTERNAL_EDIT, lfun));
 729 }
 730
 731
 732 vector<string> const GuiExternal::getTemplates() const
 733 {
 734         vector<string> result;
 735
 736         external::TemplateManager::Templates::const_iterator i1, i2;
 737         i1 = external::TemplateManager::get().getTemplates().begin();
 738         i2 = external::TemplateManager::get().getTemplates().end();
 739
 740         for (; i1 != i2; ++i1) {
 741                 result.push_back(i1->second.lyxName);
 742         }
 743         return result;
 744 }
 745
 746
 747 int GuiExternal::getTemplateNumber(string const & name) const
 748 {
 749         external::TemplateManager::Templates::const_iterator i1, i2;
 750         i1 = external::TemplateManager::get().getTemplates().begin();
 751         i2 = external::TemplateManager::get().getTemplates().end();
 752         for (int i = 0; i1 != i2; ++i1, ++i) {
 753                 if (i1->second.lyxName == name)
 754                         return i;
 755         }
 756
 757         // we can get here if a LyX document has a template not installed
 758         // on this machine.
 759         return -1;
 760 }
 761
 762
 763 external::Template GuiExternal::getTemplate(int i) const
 764 {
 765         external::TemplateManager::Templates::const_iterator i1
 766                 = external::TemplateManager::get().getTemplates().begin();
 767
 768         advance(i1, i);
 769
 770         return i1->second;
 771 }
 772
 773
 774 string const
 775 GuiExternal::getTemplateFilters(string const & template_name) const
 776 {
 777         /// Determine the template file extension
 778         external::TemplateManager const & etm =
 779                 external::TemplateManager::get();
 780         external::Template const * const et_ptr =
 781                 etm.getTemplateByName(template_name);
 782
 783         if (et_ptr)
 784                 return et_ptr->fileRegExp;
 785
 786         return string();
 787 }
 788
 789
 790 docstring const GuiExternal::browse(docstring const & input,
 791                                      docstring const & template_name) const
 792 {
 793         docstring const title =  _("Select external file");
 794
 795         docstring const bufpath = from_utf8(bufferFilepath());
 796         FileFilterList const filter =
 797                 FileFilterList(from_utf8(getTemplateFilters(to_utf8(template_name))));
 798
 799         docstring const label1 = _("Documents|#o#O");
 800         docstring const dir1 = from_utf8(lyxrc.document_path);
 801
 802         return browseRelFile(input, bufpath, title, filter, false, label1, dir1);
 803 }
 804
 805
 806 string const GuiExternal::readBB(string const & file)
 807 {
 808         FileName const abs_file(makeAbsPath(file, bufferFilepath()));
 809
 810         // try to get it from the file, if possible. Zipped files are
 811         // unzipped in the readBB_from_PSFile-Function
 812         string const bb = readBB_from_PSFile(abs_file);
 813         if (!bb.empty())
 814                 return bb;
 815
 816         // we don't, so ask the Graphics Cache if it has loaded the file
 817         int width = 0;
 818         int height = 0;
 819
 820         graphics::Cache & gc = graphics::Cache::get();
 821         if (gc.inCache(abs_file)) {
 822                 graphics::Image const * image = gc.item(abs_file)->image();
 823
 824                 if (image) {
 825                         width  = image->getWidth();
 826                         height = image->getHeight();
 827                 }
 828         }
 829
 830         return ("0 0 " + convert<string>(width) + ' ' + convert<string>(height));
 831 }
 832
 833
 834 Dialog * createGuiExternal(LyXView & lv) { return new GuiExternal(lv); }
 835
 836
 837 } // namespace frontend
 838 } // namespace lyx
 839
 840 #include "GuiExternal_moc.cpp"