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 "GuiExternal.h"
  18 #include "frontend_helpers.h"
  19 #include "FuncRequest.h"
  20 #include "gettext.h"
  21 #include "lengthcommon.h"
  22 #include "LyXRC.h"
  23
  24 #include "insets/ExternalSupport.h"
  25 #include "insets/ExternalTemplate.h"
  26 #include "insets/InsetExternal.h"
  27
  28 #include "graphics/GraphicsCache.h"
  29 #include "graphics/GraphicsCacheItem.h"
  30 #include "graphics/GraphicsImage.h"
  31
  32 #include "support/convert.h"
  33 #include "support/FileFilterList.h"
  34 #include "support/filetools.h"
  35 #include "support/lstrings.h"
  36 #include "support/lyxlib.h"
  37 #include "support/os.h"
  38
  39 #include "LengthCombo.h"
  40 #include "qt_helpers.h"
  41 #include "Validator.h"
  42
  43 #include <QCloseEvent>
  44 #include <QCheckBox>
  45 #include <QLineEdit>
  46 #include <QPushButton>
  47 #include <QTabWidget>
  48 #include <QTextBrowser>
  49
  50 using std::advance;
  51 using std::vector;
  52 using std::string;
  53
  54
  55 namespace lyx {
  56 namespace frontend {
  57
  58 using support::FileFilterList;
  59 using support::FileName;
  60 using support::float_equal;
  61 using support::isStrDbl;
  62 using support::makeAbsPath;
  63 using support::readBB_from_PSFile;
  64 using support::token;
  65 using support::trim;
  66 using support::os::internal_path;
  67
  68 using namespace external;
  69
  70 namespace {
  71
  72 RotationDataType origins_array[] = {
  73         RotationData::DEFAULT,
  74         RotationData::TOPLEFT,
  75         RotationData::BOTTOMLEFT,
  76         RotationData::BASELINELEFT,
  77         RotationData::CENTER,
  78         RotationData::TOPCENTER,
  79         RotationData::BOTTOMCENTER,
  80         RotationData::BASELINECENTER,
  81         RotationData::TOPRIGHT,
  82         RotationData::BOTTOMRIGHT,
  83         RotationData::BASELINERIGHT
  84 };
  85
  86
  87 size_type const origins_array_size =
  88 sizeof(origins_array) / sizeof(origins_array[0]);
  89
  90 vector<external::RotationDataType> const
  91 all_origins(origins_array, origins_array + origins_array_size);
  92
  93 // These are the strings, corresponding to the above, that the GUI should
  94 // use. Note that they can/should be translated.
  95 char const * const origin_gui_strs[] = {
  96         N_("Default"),
  97         N_("Top left"), N_("Bottom left"), N_("Baseline left"),
  98         N_("Center"), N_("Top center"), N_("Bottom center"), N_("Baseline center"),
  99         N_("Top right"), N_("Bottom right"), N_("Baseline right")
 100 };
 101
 102 } // namespace anon
 103
 104
 105 GuiExternal::GuiExternal(LyXView & lv)
 106         : GuiDialog(lv, "external"), bbChanged_(false)
 107 {
 108         setupUi(this);
 109         setViewTitle(_("External Material"));
 110
 111         connect(okPB, SIGNAL(clicked()), this, SLOT(slotOK()));
 112         connect(applyPB, SIGNAL(clicked()), this, SLOT(slotApply()));
 113         connect(closePB, SIGNAL(clicked()), this, SLOT(slotClose()));
 114
 115         connect(displayCB, SIGNAL(toggled(bool)),
 116                 showCO, SLOT(setEnabled(bool)));
 117         connect(displayCB, SIGNAL(toggled(bool)),
 118                 displayscaleED, SLOT(setEnabled(bool)));
 119         connect(showCO, SIGNAL(activated(QString)),
 120                 this, SLOT(change_adaptor()));
 121         connect(originCO, SIGNAL(activated(int)),
 122                 this, SLOT(change_adaptor()));
 123         connect(aspectratioCB, SIGNAL(stateChanged(int)),
 124                 this, SLOT(change_adaptor()));
 125         connect(browsePB, SIGNAL(clicked()),
 126                 this, SLOT(browseClicked()));
 127         connect(editPB, SIGNAL(clicked()),
 128                 this, SLOT(editClicked()));
 129         connect(externalCO, SIGNAL(activated(QString)),
 130                 this, SLOT(templateChanged()));
 131         connect(extraED, SIGNAL(textChanged(QString)),
 132                 this, SLOT(extraChanged(QString)));
 133         connect(extraFormatCO, SIGNAL(activated(QString)),
 134                 this, SLOT(formatChanged(QString)));
 135         connect(widthUnitCO, SIGNAL(activated(int)),
 136                 this, SLOT(widthUnitChanged()));
 137         connect(heightUnitCO, SIGNAL(selectionChanged(lyx::Length::UNIT)),
 138                 this, SLOT(change_adaptor()));
 139         connect(displayCB, SIGNAL(stateChanged(int)),
 140                 this, SLOT(change_adaptor()));
 141         connect(displayscaleED, SIGNAL(textChanged(QString)),
 142                 this, SLOT(change_adaptor()));
 143         connect(angleED, SIGNAL(textChanged(QString)),
 144                 this, SLOT(change_adaptor()));
 145         connect(widthED, SIGNAL(textChanged(QString)),
 146                 this, SLOT(sizeChanged()));
 147         connect(heightED, SIGNAL(textChanged(QString)),
 148                 this, SLOT(sizeChanged()));
 149         connect(fileED, SIGNAL(textChanged(QString)),
 150                 this, SLOT(change_adaptor()));
 151         connect(clipCB, SIGNAL(stateChanged(int)),
 152                 this, SLOT(change_adaptor()));
 153         connect(getbbPB, SIGNAL(clicked()), this, SLOT(getbbClicked()));
 154         connect(xrED, SIGNAL(textChanged(QString)), this, SLOT(bbChanged()));
 155         connect(ytED, SIGNAL(textChanged(QString)), this, SLOT(bbChanged()));
 156         connect(xlED, SIGNAL(textChanged(QString)), this, SLOT(bbChanged()));
 157         connect(ybED, SIGNAL(textChanged(QString)), this, SLOT(bbChanged()));
 158         connect(draftCB, SIGNAL(clicked()), this, SLOT(change_adaptor()));
 159
 160         QIntValidator * validator = new QIntValidator(displayscaleED);
 161         validator->setBottom(1);
 162         displayscaleED->setValidator(validator);
 163
 164         angleED->setValidator(new QDoubleValidator(-360, 360, 2, angleED));
 165
 166         xlED->setValidator(new QIntValidator(xlED));
 167         ybED->setValidator(new QIntValidator(ybED));
 168         xrED->setValidator(new QIntValidator(xrED));
 169         ytED->setValidator(new QIntValidator(ytED));
 170
 171         widthED->setValidator(unsignedLengthValidator(widthED));
 172         heightED->setValidator(unsignedLengthValidator(heightED));
 173
 174         setFocusProxy(fileED);
 175
 176         bc().setPolicy(ButtonPolicy::NoRepeatedApplyReadOnlyPolicy);
 177
 178         bc().setOK(okPB);
 179         bc().setApply(applyPB);
 180         bc().setCancel(closePB);
 181
 182         bc().addReadOnly(fileED);
 183         bc().addReadOnly(browsePB);
 184         bc().addReadOnly(editPB);
 185         bc().addReadOnly(externalCO);
 186         bc().addReadOnly(draftCB);
 187         bc().addReadOnly(displayscaleED);
 188         bc().addReadOnly(showCO);
 189         bc().addReadOnly(displayCB);
 190         bc().addReadOnly(angleED);
 191         bc().addReadOnly(originCO);
 192         bc().addReadOnly(heightUnitCO);
 193         bc().addReadOnly(heightED);
 194         bc().addReadOnly(aspectratioCB);
 195         bc().addReadOnly(widthUnitCO);
 196         bc().addReadOnly(widthED);
 197         bc().addReadOnly(clipCB);
 198         bc().addReadOnly(getbbPB);
 199         bc().addReadOnly(ytED);
 200         bc().addReadOnly(xlED);
 201         bc().addReadOnly(xrED);
 202         bc().addReadOnly(ybED);
 203         bc().addReadOnly(extraFormatCO);
 204         bc().addReadOnly(extraED);
 205
 206         bc().addCheckedLineEdit(angleED, angleLA);
 207         bc().addCheckedLineEdit(displayscaleED, scaleLA);
 208         bc().addCheckedLineEdit(heightED, heightLA);
 209         bc().addCheckedLineEdit(widthED, widthLA);
 210         bc().addCheckedLineEdit(xlED, lbLA);
 211         bc().addCheckedLineEdit(ybED, lbLA);
 212         bc().addCheckedLineEdit(xrED, rtLA);
 213         bc().addCheckedLineEdit(ytED, rtLA);
 214         bc().addCheckedLineEdit(fileED, fileLA);
 215
 216         std::vector<string> templates = getTemplates();
 217
 218         for (std::vector<string>::const_iterator cit = templates.begin();
 219                 cit != templates.end(); ++cit) {
 220                 externalCO->addItem(qt_(*cit));
 221         }
 222
 223         // Fill the origins combo
 224         for (size_t i = 0; i != all_origins.size(); ++i)
 225                 originCO->addItem(qt_(origin_gui_strs[i]));
 226
 227         // Fill the width combo
 228         widthUnitCO->addItem(qt_("Scale%"));
 229         for (int i = 0; i < num_units; i++)
 230                 widthUnitCO->addItem(qt_(unit_name_gui[i]));
 231 }
 232
 233
 234 bool GuiExternal::activateAspectratio() const
 235 {
 236         if (widthUnitCO->currentIndex() == 0)
 237                 return false;
 238
 239         string const wstr = fromqstr(widthED->text());
 240         if (wstr.empty())
 241                 return false;
 242         bool const wIsDbl = isStrDbl(wstr);
 243         if (wIsDbl && float_equal(convert<double>(wstr), 0.0, 0.05))
 244                 return false;
 245         Length l;
 246         if (!wIsDbl && (!isValidLength(wstr, &l) || l.zero()))
 247                 return false;
 248
 249         string const hstr = fromqstr(heightED->text());
 250         if (hstr.empty())
 251                 return false;
 252         bool const hIsDbl = isStrDbl(hstr);
 253         if (hIsDbl && float_equal(convert<double>(hstr), 0.0, 0.05))
 254                 return false;
 255         if (!hIsDbl && (!isValidLength(hstr, &l) || l.zero()))
 256                 return false;
 257
 258         return true;
 259 }
 260
 261
 262 void GuiExternal::bbChanged()
 263 {
 264         bbChanged_ = true;
 265         changed();
 266 }
 267
 268
 269 void GuiExternal::browseClicked()
 270 {
 271         int const choice =  externalCO->currentIndex();
 272         docstring const template_name = from_utf8(getTemplate(choice).lyxName);
 273         docstring const str = browse(qstring_to_ucs4(fileED->text()), template_name);
 274         if (!str.empty()) {
 275                 fileED->setText(toqstr(str));
 276                 changed();
 277         }
 278 }
 279
 280
 281 void GuiExternal::change_adaptor()
 282 {
 283         changed();
 284 }
 285
 286
 287 void GuiExternal::closeEvent(QCloseEvent * e)
 288 {
 289         slotClose();
 290         e->accept();
 291 }
 292
 293
 294 void GuiExternal::editClicked()
 295 {
 296         editExternal();
 297 }
 298
 299
 300
 301 void GuiExternal::extraChanged(const QString& text)
 302 {
 303         std::string const format = fromqstr(extraFormatCO->currentText());
 304         extra_[format] = text;
 305         changed();
 306 }
 307
 308
 309 void GuiExternal::formatChanged(const QString& format)
 310 {
 311         extraED->setText(extra_[fromqstr(format)]);
 312 }
 313
 314
 315 void GuiExternal::getbbClicked()
 316 {
 317         getBB();
 318 }
 319
 320
 321 void GuiExternal::sizeChanged()
 322 {
 323         aspectratioCB->setEnabled(activateAspectratio());
 324         changed();
 325 }
 326
 327
 328 void GuiExternal::templateChanged()
 329 {
 330         updateTemplate();
 331         changed();
 332 }
 333
 334
 335 void GuiExternal::widthUnitChanged()
 336 {
 337         bool useHeight = (widthUnitCO->currentIndex() > 0);
 338
 339         if (useHeight)
 340                 widthED->setValidator(unsignedLengthValidator(widthED));
 341         else
 342                 widthED->setValidator(new QDoubleValidator(0, 1000, 2, widthED));
 343
 344         heightED->setEnabled(useHeight);
 345         heightUnitCO->setEnabled(useHeight);
 346         changed();
 347 }
 348
 349
 350 static Length::UNIT defaultUnit()
 351 {
 352         Length::UNIT default_unit = Length::CM;
 353         switch (lyxrc.default_papersize) {
 354         case PAPER_USLETTER:
 355         case PAPER_USLEGAL:
 356         case PAPER_USEXECUTIVE:
 357                 default_unit = Length::IN;
 358                 break;
 359         default:
 360                 break;
 361         }
 362         return default_unit;
 363 }
 364
 365
 366 static void setDisplay(
 367         QCheckBox & displayCB, QComboBox & showCO, QLineEdit & scaleED,
 368         external::DisplayType display, unsigned int scale, bool read_only)
 369 {
 370         int item = 0;
 371         switch (display) {
 372         case external::DefaultDisplay:
 373                 item = 0;
 374                 break;
 375         case external::MonochromeDisplay:
 376                 item = 1;
 377                 break;
 378         case external::GrayscaleDisplay:
 379                 item = 2;
 380                 break;
 381         case external::ColorDisplay:
 382                 item = 3;
 383                 break;
 384         case external::PreviewDisplay:
 385                 item = 4;
 386                 break;
 387         case external::NoDisplay:
 388                 item = 0;
 389                 break;
 390         }
 391
 392         showCO.setCurrentIndex(item);
 393         bool const no_display = display == external::NoDisplay;
 394         showCO.setEnabled(!no_display && !read_only);
 395         displayCB.setChecked(!no_display);
 396         scaleED.setEnabled(!no_display && !read_only);
 397         scaleED.setText(QString::number(scale));
 398 }
 399
 400
 401 static void getDisplay(external::DisplayType & display,
 402                 unsigned int & scale,
 403                 QCheckBox const & displayCB,
 404                 QComboBox const & showCO,
 405                 QLineEdit const & scaleED)
 406 {
 407         switch (showCO.currentIndex()) {
 408         case 0:
 409                 display = external::DefaultDisplay;
 410                 break;
 411         case 1:
 412                 display = external::MonochromeDisplay;
 413                 break;
 414         case 2:
 415                 display = external::GrayscaleDisplay;
 416                 break;
 417         case 3:
 418                 display = external::ColorDisplay;
 419                 break;
 420         case 4:
 421                 display = external::PreviewDisplay;
 422                 break;
 423         }
 424
 425         if (!displayCB.isChecked())
 426                 display = external::NoDisplay;
 427
 428         scale = scaleED.text().toInt();
 429 }
 430
 431
 432 static void setRotation(QLineEdit & angleED, QComboBox & originCO,
 433         external::RotationData const & data)
 434 {
 435         originCO.setCurrentIndex(int(data.origin()));
 436         angleED.setText(toqstr(data.angle));
 437 }
 438
 439
 440 static void getRotation(external::RotationData & data,
 441         QLineEdit const & angleED, QComboBox const & originCO)
 442 {
 443         typedef external::RotationData::OriginType OriginType;
 444
 445         data.origin(static_cast<OriginType>(originCO.currentIndex()));
 446         data.angle = fromqstr(angleED.text());
 447 }
 448
 449
 450 static void setSize(QLineEdit & widthED, QComboBox & widthUnitCO,
 451         QLineEdit & heightED, LengthCombo & heightUnitCO,
 452         QCheckBox & aspectratioCB,
 453         external::ResizeData const & data)
 454 {
 455         bool using_scale = data.usingScale();
 456         std::string scale = data.scale;
 457         if (data.no_resize()) {
 458                 // Everything is zero, so default to this!
 459                 using_scale = true;
 460                 scale = "100";
 461         }
 462
 463         if (using_scale) {
 464                 widthED.setText(toqstr(scale));
 465                 widthUnitCO.setCurrentIndex(0);
 466         } else {
 467                 widthED.setText(QString::number(data.width.value()));
 468                 // Because 'Scale' is position 0...
 469                 // Note also that width cannot be zero here, so
 470                 // we don't need to worry about the default unit.
 471                 widthUnitCO.setCurrentIndex(data.width.unit() + 1);
 472         }
 473
 474         string const h = data.height.zero() ? string() : data.height.asString();
 475         Length::UNIT default_unit = data.width.zero() ?
 476                 defaultUnit() : data.width.unit();
 477         lengthToWidgets(&heightED, &heightUnitCO, h, default_unit);
 478
 479         heightED.setEnabled(!using_scale);
 480         heightUnitCO.setEnabled(!using_scale);
 481
 482         aspectratioCB.setChecked(data.keepAspectRatio);
 483
 484         bool const disable_aspectRatio = using_scale ||
 485                 data.width.zero() || data.height.zero();
 486         aspectratioCB.setEnabled(!disable_aspectRatio);
 487 }
 488
 489
 490 static void getSize(external::ResizeData & data,
 491         QLineEdit const & widthED, QComboBox const & widthUnitCO,
 492         QLineEdit const & heightED, LengthCombo const & heightUnitCO,
 493         QCheckBox const & aspectratioCB)
 494 {
 495         string const width = fromqstr(widthED.text());
 496
 497         if (widthUnitCO.currentIndex() > 0) {
 498                 // Subtract one, because scale is 0.
 499                 int const unit = widthUnitCO.currentIndex() - 1;
 500
 501                 Length w;
 502                 if (isValidLength(width, &w))
 503                         data.width = w;
 504                 else if (isStrDbl(width))
 505                         data.width = Length(convert<double>(width),
 506                                            static_cast<Length::UNIT>(unit));
 507                 else
 508                         data.width = Length();
 509
 510                 data.scale = string();
 511
 512         } else {
 513                 // scaling instead of a width
 514                 data.scale = width;
 515                 data.width = Length();
 516         }
 517
 518         data.height = Length(widgetsToLength(&heightED, &heightUnitCO));
 519
 520         data.keepAspectRatio = aspectratioCB.isChecked();
 521 }
 522
 523
 524 void setCrop(QCheckBox & clipCB,
 525         QLineEdit & xlED, QLineEdit & ybED,
 526         QLineEdit & xrED, QLineEdit & ytED,
 527         external::ClipData const & data)
 528 {
 529         clipCB.setChecked(data.clip);
 530         graphics::BoundingBox const & bbox = data.bbox;
 531         xlED.setText(QString::number(bbox.xl));
 532         ybED.setText(QString::number(bbox.yb));
 533         xrED.setText(QString::number(bbox.xr));
 534         ytED.setText(QString::number(bbox.yt));
 535 }
 536
 537
 538 static void getCrop(external::ClipData & data,
 539         QCheckBox const & clipCB,
 540         QLineEdit const & xlED, QLineEdit const & ybED,
 541         QLineEdit const & xrED, QLineEdit const & ytED,
 542         bool bb_changed)
 543 {
 544         data.clip = clipCB.isChecked();
 545
 546         if (!bb_changed)
 547                 return;
 548
 549         data.bbox.xl = xlED.text().toInt();
 550         data.bbox.yb = ybED.text().toInt();
 551         data.bbox.xr = xrED.text().toInt();
 552         data.bbox.yt = ytED.text().toInt();
 553 }
 554
 555
 556 static void getExtra(external::ExtraData & data,
 557               GuiExternal::MapType const & extra)
 558 {
 559         typedef GuiExternal::MapType MapType;
 560         MapType::const_iterator it = extra.begin();
 561         MapType::const_iterator const end = extra.end();
 562         for (; it != end; ++it)
 563                 data.set(it->first, trim(fromqstr(it->second)));
 564 }
 565
 566
 567 void GuiExternal::updateContents()
 568 {
 569         tab->setCurrentIndex(0);
 570
 571         string const name =
 572                 params_.filename.outputFilename(bufferFilepath());
 573         fileED->setText(toqstr(name));
 574
 575         externalCO->setCurrentIndex(getTemplateNumber(params_.templatename()));
 576         updateTemplate();
 577
 578         draftCB->setChecked(params_.draft);
 579
 580         setDisplay(*displayCB, *showCO, *displayscaleED,
 581                    params_.display, params_.lyxscale, isBufferReadonly());
 582
 583         setRotation(*angleED, *originCO, params_.rotationdata);
 584
 585         setSize(*widthED, *widthUnitCO, *heightED, *heightUnitCO,
 586                 *aspectratioCB, params_.resizedata);
 587
 588         setCrop(*clipCB, *xlED, *ybED, *xrED, *ytED, params_.clipdata);
 589         bbChanged_ = !params_.clipdata.bbox.empty();
 590
 591         isValid();
 592 }
 593
 594
 595 void GuiExternal::updateTemplate()
 596 {
 597         external::Template templ = getTemplate(externalCO->currentIndex());
 598         externalTB->setPlainText(qt_(templ.helpText));
 599
 600         // Ascertain which (if any) transformations the template supports
 601         // and disable tabs hosting unsupported transforms.
 602         typedef vector<external::TransformID> TransformIDs;
 603         TransformIDs const transformIds = templ.transformIds;
 604         TransformIDs::const_iterator tr_begin = transformIds.begin();
 605         TransformIDs::const_iterator const tr_end = transformIds.end();
 606
 607         bool found = std::find(tr_begin, tr_end, external::Rotate) != tr_end;
 608         tab->setTabEnabled(tab->indexOf(rotatetab), found);
 609         found = std::find(tr_begin, tr_end, external::Resize) != tr_end;
 610         tab->setTabEnabled(tab->indexOf(scaletab), found);
 611
 612         found = std::find(tr_begin, tr_end, external::Clip) != tr_end;
 613         tab->setTabEnabled(tab->indexOf(croptab), found);
 614
 615         found = std::find(tr_begin, tr_end, external::Extra) != tr_end;
 616         tab->setTabEnabled(tab->indexOf(optionstab), found);
 617
 618         if (!found)
 619                 return;
 620
 621         // Ascertain whether the template has any formats supporting
 622         // the 'Extra' option
 623         extra_.clear();
 624         extraED->clear();
 625         extraFormatCO->clear();
 626
 627         external::Template::Formats::const_iterator it  = templ.formats.begin();
 628         external::Template::Formats::const_iterator end = templ.formats.end();
 629         for (; it != end; ++it) {
 630                 if (it->second.option_transformers.find(external::Extra) ==
 631                     it->second.option_transformers.end())
 632                         continue;
 633                 string const format = it->first;
 634                 string const opt = params_.extradata.get(format);
 635                 extraFormatCO->addItem(toqstr(format));
 636                 extra_[format] = toqstr(opt);
 637         }
 638
 639         bool const enabled = extraFormatCO->count()  > 0;
 640
 641         tab->setTabEnabled(
 642                 tab->indexOf(optionstab), enabled);
 643         extraED->setEnabled(enabled && !isBufferReadonly());
 644         extraFormatCO->setEnabled(enabled);
 645
 646         if (enabled) {
 647                 extraFormatCO->setCurrentIndex(0);
 648                 extraED->setText(extra_[fromqstr(extraFormatCO->currentText())]);
 649         }
 650 }
 651
 652
 653 void GuiExternal::applyView()
 654 {
 655         params_.filename.set(internal_path(fromqstr(fileED->text())),
 656                             bufferFilepath());
 657
 658         params_.settemplate(getTemplate(externalCO->currentIndex()).lyxName);
 659
 660         params_.draft = draftCB->isChecked();
 661
 662         getDisplay(params_.display, params_.lyxscale,
 663                    *displayCB, *showCO,
 664                    *displayscaleED);
 665
 666         if (tab->isTabEnabled(tab->indexOf(rotatetab)))
 667                 getRotation(params_.rotationdata, *angleED, *originCO);
 668
 669         if (tab->isTabEnabled(tab->indexOf(scaletab)))
 670                 getSize(params_.resizedata, *widthED, *widthUnitCO,
 671                         *heightED, *heightUnitCO, *aspectratioCB);
 672
 673         if (tab->isTabEnabled(tab->indexOf(croptab)))
 674                 getCrop(params_.clipdata, *clipCB, *xlED, *ybED,
 675                         *xrED, *ytED, bbChanged_);
 676
 677         if (tab->isTabEnabled(tab->indexOf(optionstab)))
 678                 getExtra(params_.extradata, extra_);
 679 }
 680
 681
 682 void GuiExternal::getBB()
 683 {
 684         xlED->setText("0");
 685         ybED->setText("0");
 686         xrED->setText("0");
 687         ytED->setText("0");
 688
 689         string const filename = fromqstr(fileED->text());
 690         if (filename.empty())
 691                 return;
 692
 693         string const bb = readBB(filename);
 694         if (bb.empty())
 695                 return;
 696
 697         xlED->setText(toqstr(token(bb, ' ', 0)));
 698         ybED->setText(toqstr(token(bb, ' ', 1)));
 699         xrED->setText(toqstr(token(bb, ' ', 2)));
 700         ytED->setText(toqstr(token(bb, ' ', 3)));
 701
 702         bbChanged_ = false;
 703 }
 704
 705
 706 bool GuiExternal::initialiseParams(string const & data)
 707 {
 708         InsetExternalMailer::string2params(data, buffer(), params_);
 709         return true;
 710 }
 711
 712
 713 void GuiExternal::clearParams()
 714 {
 715         params_ = InsetExternalParams();
 716 }
 717
 718
 719 void GuiExternal::dispatchParams()
 720 {
 721         string const lfun = InsetExternalMailer::params2string(params_, buffer());
 722         dispatch(FuncRequest(getLfun(), lfun));
 723 }
 724
 725
 726 void GuiExternal::editExternal()
 727 {
 728         applyView();
 729         string const lfun = InsetExternalMailer::params2string(params_, buffer());
 730         dispatch(FuncRequest(LFUN_EXTERNAL_EDIT, lfun));
 731 }
 732
 733
 734 vector<string> const GuiExternal::getTemplates() const
 735 {
 736         vector<string> result;
 737
 738         external::TemplateManager::Templates::const_iterator i1, i2;
 739         i1 = external::TemplateManager::get().getTemplates().begin();
 740         i2 = external::TemplateManager::get().getTemplates().end();
 741
 742         for (; i1 != i2; ++i1) {
 743                 result.push_back(i1->second.lyxName);
 744         }
 745         return result;
 746 }
 747
 748
 749 int GuiExternal::getTemplateNumber(string const & name) const
 750 {
 751         external::TemplateManager::Templates::const_iterator i1, i2;
 752         i1 = external::TemplateManager::get().getTemplates().begin();
 753         i2 = external::TemplateManager::get().getTemplates().end();
 754         for (int i = 0; i1 != i2; ++i1, ++i) {
 755                 if (i1->second.lyxName == name)
 756                         return i;
 757         }
 758
 759         // we can get here if a LyX document has a template not installed
 760         // on this machine.
 761         return -1;
 762 }
 763
 764
 765 external::Template GuiExternal::getTemplate(int i) const
 766 {
 767         external::TemplateManager::Templates::const_iterator i1
 768                 = external::TemplateManager::get().getTemplates().begin();
 769
 770         advance(i1, i);
 771
 772         return i1->second;
 773 }
 774
 775
 776 string const
 777 GuiExternal::getTemplateFilters(string const & template_name) const
 778 {
 779         /// Determine the template file extension
 780         external::TemplateManager const & etm =
 781                 external::TemplateManager::get();
 782         external::Template const * const et_ptr =
 783                 etm.getTemplateByName(template_name);
 784
 785         if (et_ptr)
 786                 return et_ptr->fileRegExp;
 787
 788         return string();
 789 }
 790
 791
 792 docstring const GuiExternal::browse(docstring const & input,
 793                                      docstring const & template_name) const
 794 {
 795         docstring const title =  _("Select external file");
 796
 797         docstring const bufpath = lyx::from_utf8(bufferFilepath());
 798         FileFilterList const filter =
 799                 FileFilterList(lyx::from_utf8(getTemplateFilters(lyx::to_utf8(template_name))));
 800
 801         std::pair<docstring, docstring> dir1(_("Documents|#o#O"),
 802                 lyx::from_utf8(lyxrc.document_path));
 803
 804         return browseRelFile(input, bufpath, title, filter, false, dir1);
 805 }
 806
 807
 808 string const GuiExternal::readBB(string const & file)
 809 {
 810         FileName const abs_file(makeAbsPath(file, bufferFilepath()));
 811
 812         // try to get it from the file, if possible. Zipped files are
 813         // unzipped in the readBB_from_PSFile-Function
 814         string const bb = readBB_from_PSFile(abs_file);
 815         if (!bb.empty())
 816                 return bb;
 817
 818         // we don't, so ask the Graphics Cache if it has loaded the file
 819         int width = 0;
 820         int height = 0;
 821
 822         graphics::Cache & gc = graphics::Cache::get();
 823         if (gc.inCache(abs_file)) {
 824                 graphics::Image const * image = gc.item(abs_file)->image();
 825
 826                 if (image) {
 827                         width  = image->getWidth();
 828                         height = image->getHeight();
 829                 }
 830         }
 831
 832         return ("0 0 " + convert<string>(width) + ' ' + convert<string>(height));
 833 }
 834
 835
 836 Dialog * createGuiExternal(LyXView & lv) { return new GuiExternal(lv); }
 837
 838
 839 } // namespace frontend
 840 } // namespace lyx
 841
 842 #include "GuiExternal_moc.cpp"