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> templates = getTemplates();
 201
 202         for (vector<string>::const_iterator cit = templates.begin();
 203                 cit != templates.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
 278 void GuiExternal::extraChanged(const QString& text)
 279 {
 280         string const format = fromqstr(extraFormatCO->currentText());
 281         extra_[format] = text;
 282         changed();
 283 }
 284
 285
 286 void GuiExternal::formatChanged(const QString& format)
 287 {
 288         extraED->setText(extra_[fromqstr(format)]);
 289 }
 290
 291
 292 void GuiExternal::getbbClicked()
 293 {
 294         getBB();
 295 }
 296
 297
 298 void GuiExternal::sizeChanged()
 299 {
 300         aspectratioCB->setEnabled(activateAspectratio());
 301         changed();
 302 }
 303
 304
 305 void GuiExternal::templateChanged()
 306 {
 307         updateTemplate();
 308         changed();
 309 }
 310
 311
 312 void GuiExternal::widthUnitChanged()
 313 {
 314         bool useHeight = (widthUnitCO->currentIndex() > 0);
 315
 316         if (useHeight)
 317                 widthED->setValidator(unsignedLengthValidator(widthED));
 318         else
 319                 widthED->setValidator(new QDoubleValidator(0, 1000, 2, widthED));
 320
 321         heightED->setEnabled(useHeight);
 322         heightUnitCO->setEnabled(useHeight);
 323         changed();
 324 }
 325
 326
 327 static Length::UNIT defaultUnit()
 328 {
 329         Length::UNIT default_unit = Length::CM;
 330         switch (lyxrc.default_papersize) {
 331         case PAPER_USLETTER:
 332         case PAPER_USLEGAL:
 333         case PAPER_USEXECUTIVE:
 334                 default_unit = Length::IN;
 335                 break;
 336         default:
 337                 break;
 338         }
 339         return default_unit;
 340 }
 341
 342
 343 static void setDisplay(
 344         QCheckBox & displayCB, QComboBox & showCO, QLineEdit & scaleED,
 345         external::DisplayType display, unsigned int scale, bool read_only)
 346 {
 347         int item = 0;
 348         switch (display) {
 349         case external::DefaultDisplay:
 350                 item = 0;
 351                 break;
 352         case external::MonochromeDisplay:
 353                 item = 1;
 354                 break;
 355         case external::GrayscaleDisplay:
 356                 item = 2;
 357                 break;
 358         case external::ColorDisplay:
 359                 item = 3;
 360                 break;
 361         case external::PreviewDisplay:
 362                 item = 4;
 363                 break;
 364         case external::NoDisplay:
 365                 item = 0;
 366                 break;
 367         }
 368
 369         showCO.setCurrentIndex(item);
 370         bool const no_display = display == external::NoDisplay;
 371         showCO.setEnabled(!no_display && !read_only);
 372         displayCB.setChecked(!no_display);
 373         scaleED.setEnabled(!no_display && !read_only);
 374         scaleED.setText(QString::number(scale));
 375 }
 376
 377
 378 static void getDisplay(external::DisplayType & display,
 379                 unsigned int & scale,
 380                 QCheckBox const & displayCB,
 381                 QComboBox const & showCO,
 382                 QLineEdit const & scaleED)
 383 {
 384         switch (showCO.currentIndex()) {
 385         case 0:
 386                 display = external::DefaultDisplay;
 387                 break;
 388         case 1:
 389                 display = external::MonochromeDisplay;
 390                 break;
 391         case 2:
 392                 display = external::GrayscaleDisplay;
 393                 break;
 394         case 3:
 395                 display = external::ColorDisplay;
 396                 break;
 397         case 4:
 398                 display = external::PreviewDisplay;
 399                 break;
 400         }
 401
 402         if (!displayCB.isChecked())
 403                 display = external::NoDisplay;
 404
 405         scale = scaleED.text().toInt();
 406 }
 407
 408
 409 static void setRotation(QLineEdit & angleED, QComboBox & originCO,
 410         external::RotationData const & data)
 411 {
 412         originCO.setCurrentIndex(int(data.origin()));
 413         angleED.setText(toqstr(data.angle));
 414 }
 415
 416
 417 static void getRotation(external::RotationData & data,
 418         QLineEdit const & angleED, QComboBox const & originCO)
 419 {
 420         typedef external::RotationData::OriginType OriginType;
 421
 422         data.origin(static_cast<OriginType>(originCO.currentIndex()));
 423         data.angle = fromqstr(angleED.text());
 424 }
 425
 426
 427 static void setSize(QLineEdit & widthED, QComboBox & widthUnitCO,
 428         QLineEdit & heightED, LengthCombo & heightUnitCO,
 429         QCheckBox & aspectratioCB,
 430         external::ResizeData const & data)
 431 {
 432         bool using_scale = data.usingScale();
 433         string scale = data.scale;
 434         if (data.no_resize()) {
 435                 // Everything is zero, so default to this!
 436                 using_scale = true;
 437                 scale = "100";
 438         }
 439
 440         if (using_scale) {
 441                 widthED.setText(toqstr(scale));
 442                 widthUnitCO.setCurrentIndex(0);
 443         } else {
 444                 widthED.setText(QString::number(data.width.value()));
 445                 // Because 'Scale' is position 0...
 446                 // Note also that width cannot be zero here, so
 447                 // we don't need to worry about the default unit.
 448                 widthUnitCO.setCurrentIndex(data.width.unit() + 1);
 449         }
 450
 451         string const h = data.height.zero() ? string() : data.height.asString();
 452         Length::UNIT default_unit = data.width.zero() ?
 453                 defaultUnit() : data.width.unit();
 454         lengthToWidgets(&heightED, &heightUnitCO, h, default_unit);
 455
 456         heightED.setEnabled(!using_scale);
 457         heightUnitCO.setEnabled(!using_scale);
 458
 459         aspectratioCB.setChecked(data.keepAspectRatio);
 460
 461         bool const disable_aspectRatio = using_scale ||
 462                 data.width.zero() || data.height.zero();
 463         aspectratioCB.setEnabled(!disable_aspectRatio);
 464 }
 465
 466
 467 static void getSize(external::ResizeData & data,
 468         QLineEdit const & widthED, QComboBox const & widthUnitCO,
 469         QLineEdit const & heightED, LengthCombo const & heightUnitCO,
 470         QCheckBox const & aspectratioCB)
 471 {
 472         string const width = fromqstr(widthED.text());
 473
 474         if (widthUnitCO.currentIndex() > 0) {
 475                 // Subtract one, because scale is 0.
 476                 int const unit = widthUnitCO.currentIndex() - 1;
 477
 478                 Length w;
 479                 if (isValidLength(width, &w))
 480                         data.width = w;
 481                 else if (isStrDbl(width))
 482                         data.width = Length(convert<double>(width),
 483                                            static_cast<Length::UNIT>(unit));
 484                 else
 485                         data.width = Length();
 486
 487                 data.scale = string();
 488
 489         } else {
 490                 // scaling instead of a width
 491                 data.scale = width;
 492                 data.width = Length();
 493         }
 494
 495         data.height = Length(widgetsToLength(&heightED, &heightUnitCO));
 496
 497         data.keepAspectRatio = aspectratioCB.isChecked();
 498 }
 499
 500
 501 void setCrop(QCheckBox & clipCB,
 502         QLineEdit & xlED, QLineEdit & ybED,
 503         QLineEdit & xrED, QLineEdit & ytED,
 504         external::ClipData const & data)
 505 {
 506         clipCB.setChecked(data.clip);
 507         graphics::BoundingBox const & bbox = data.bbox;
 508         xlED.setText(QString::number(bbox.xl));
 509         ybED.setText(QString::number(bbox.yb));
 510         xrED.setText(QString::number(bbox.xr));
 511         ytED.setText(QString::number(bbox.yt));
 512 }
 513
 514
 515 static void getCrop(external::ClipData & data,
 516         QCheckBox const & clipCB,
 517         QLineEdit const & xlED, QLineEdit const & ybED,
 518         QLineEdit const & xrED, QLineEdit const & ytED,
 519         bool bb_changed)
 520 {
 521         data.clip = clipCB.isChecked();
 522
 523         if (!bb_changed)
 524                 return;
 525
 526         data.bbox.xl = xlED.text().toInt();
 527         data.bbox.yb = ybED.text().toInt();
 528         data.bbox.xr = xrED.text().toInt();
 529         data.bbox.yt = ytED.text().toInt();
 530 }
 531
 532
 533 static void getExtra(external::ExtraData & data,
 534               GuiExternal::MapType const & extra)
 535 {
 536         typedef GuiExternal::MapType MapType;
 537         MapType::const_iterator it = extra.begin();
 538         MapType::const_iterator const end = extra.end();
 539         for (; it != end; ++it)
 540                 data.set(it->first, trim(fromqstr(it->second)));
 541 }
 542
 543
 544 void GuiExternal::updateContents()
 545 {
 546         tab->setCurrentIndex(0);
 547
 548         string const name =
 549                 params_.filename.outputFilename(fromqstr(bufferFilepath()));
 550         fileED->setText(toqstr(name));
 551
 552         externalCO->setCurrentIndex(getTemplateNumber(params_.templatename()));
 553         updateTemplate();
 554
 555         draftCB->setChecked(params_.draft);
 556
 557         setDisplay(*displayCB, *showCO, *displayscaleED,
 558                    params_.display, params_.lyxscale, isBufferReadonly());
 559
 560         setRotation(*angleED, *originCO, params_.rotationdata);
 561
 562         setSize(*widthED, *widthUnitCO, *heightED, *heightUnitCO,
 563                 *aspectratioCB, params_.resizedata);
 564
 565         setCrop(*clipCB, *xlED, *ybED, *xrED, *ytED, params_.clipdata);
 566         bbChanged_ = !params_.clipdata.bbox.empty();
 567
 568         isValid();
 569 }
 570
 571
 572 void GuiExternal::updateTemplate()
 573 {
 574         external::Template templ = getTemplate(externalCO->currentIndex());
 575         externalTB->setPlainText(qt_(templ.helpText));
 576
 577         // Ascertain which (if any) transformations the template supports
 578         // and disable tabs hosting unsupported transforms.
 579         typedef vector<external::TransformID> TransformIDs;
 580         TransformIDs const transformIds = templ.transformIds;
 581         TransformIDs::const_iterator tr_begin = transformIds.begin();
 582         TransformIDs::const_iterator const tr_end = transformIds.end();
 583
 584         bool found = std::find(tr_begin, tr_end, external::Rotate) != tr_end;
 585         tab->setTabEnabled(tab->indexOf(rotatetab), found);
 586         found = std::find(tr_begin, tr_end, external::Resize) != tr_end;
 587         tab->setTabEnabled(tab->indexOf(scaletab), found);
 588
 589         found = std::find(tr_begin, tr_end, external::Clip) != tr_end;
 590         tab->setTabEnabled(tab->indexOf(croptab), found);
 591
 592         found = std::find(tr_begin, tr_end, external::Extra) != tr_end;
 593         tab->setTabEnabled(tab->indexOf(optionstab), found);
 594
 595         if (!found)
 596                 return;
 597
 598         // Ascertain whether the template has any formats supporting
 599         // the 'Extra' option
 600         extra_.clear();
 601         extraED->clear();
 602         extraFormatCO->clear();
 603
 604         external::Template::Formats::const_iterator it  = templ.formats.begin();
 605         external::Template::Formats::const_iterator end = templ.formats.end();
 606         for (; it != end; ++it) {
 607                 if (it->second.option_transformers.find(external::Extra) ==
 608                     it->second.option_transformers.end())
 609                         continue;
 610                 string const format = it->first;
 611                 string const opt = params_.extradata.get(format);
 612                 extraFormatCO->addItem(toqstr(format));
 613                 extra_[format] = toqstr(opt);
 614         }
 615
 616         bool const enabled = extraFormatCO->count()  > 0;
 617
 618         tab->setTabEnabled(
 619                 tab->indexOf(optionstab), enabled);
 620         extraED->setEnabled(enabled && !isBufferReadonly());
 621         extraFormatCO->setEnabled(enabled);
 622
 623         if (enabled) {
 624                 extraFormatCO->setCurrentIndex(0);
 625                 extraED->setText(extra_[fromqstr(extraFormatCO->currentText())]);
 626         }
 627 }
 628
 629
 630 void GuiExternal::applyView()
 631 {
 632         params_.filename.set(fromqstr(fileED->text()), fromqstr(bufferFilepath()));
 633         params_.settemplate(getTemplate(externalCO->currentIndex()).lyxName);
 634
 635         params_.draft = draftCB->isChecked();
 636
 637         getDisplay(params_.display, params_.lyxscale,
 638                    *displayCB, *showCO,
 639                    *displayscaleED);
 640
 641         if (tab->isTabEnabled(tab->indexOf(rotatetab)))
 642                 getRotation(params_.rotationdata, *angleED, *originCO);
 643
 644         if (tab->isTabEnabled(tab->indexOf(scaletab)))
 645                 getSize(params_.resizedata, *widthED, *widthUnitCO,
 646                         *heightED, *heightUnitCO, *aspectratioCB);
 647
 648         if (tab->isTabEnabled(tab->indexOf(croptab)))
 649                 getCrop(params_.clipdata, *clipCB, *xlED, *ybED,
 650                         *xrED, *ytED, bbChanged_);
 651
 652         if (tab->isTabEnabled(tab->indexOf(optionstab)))
 653                 getExtra(params_.extradata, extra_);
 654 }
 655
 656
 657 void GuiExternal::getBB()
 658 {
 659         xlED->setText("0");
 660         ybED->setText("0");
 661         xrED->setText("0");
 662         ytED->setText("0");
 663
 664         string const filename = fromqstr(fileED->text());
 665         if (filename.empty())
 666                 return;
 667
 668         string const bb = readBB(filename);
 669         if (bb.empty())
 670                 return;
 671
 672         xlED->setText(toqstr(token(bb, ' ', 0)));
 673         ybED->setText(toqstr(token(bb, ' ', 1)));
 674         xrED->setText(toqstr(token(bb, ' ', 2)));
 675         ytED->setText(toqstr(token(bb, ' ', 3)));
 676
 677         bbChanged_ = false;
 678 }
 679
 680
 681 bool GuiExternal::initialiseParams(string const & data)
 682 {
 683         InsetExternal::string2params(data, buffer(), params_);
 684         return true;
 685 }
 686
 687
 688 void GuiExternal::clearParams()
 689 {
 690         params_ = InsetExternalParams();
 691 }
 692
 693
 694 void GuiExternal::dispatchParams()
 695 {
 696         string const lfun = InsetExternal::params2string(params_, buffer());
 697         dispatch(FuncRequest(getLfun(), lfun));
 698 }
 699
 700
 701 void GuiExternal::editExternal()
 702 {
 703         applyView();
 704         string const lfun = InsetExternal::params2string(params_, buffer());
 705         dispatch(FuncRequest(LFUN_EXTERNAL_EDIT, lfun));
 706 }
 707
 708
 709 vector<string> const GuiExternal::getTemplates() const
 710 {
 711         vector<string> result;
 712
 713         external::TemplateManager::Templates::const_iterator i1, i2;
 714         i1 = external::TemplateManager::get().getTemplates().begin();
 715         i2 = external::TemplateManager::get().getTemplates().end();
 716
 717         for (; i1 != i2; ++i1) {
 718                 result.push_back(i1->second.lyxName);
 719         }
 720         return result;
 721 }
 722
 723
 724 int GuiExternal::getTemplateNumber(string const & name) const
 725 {
 726         external::TemplateManager::Templates::const_iterator i1, i2;
 727         i1 = external::TemplateManager::get().getTemplates().begin();
 728         i2 = external::TemplateManager::get().getTemplates().end();
 729         for (int i = 0; i1 != i2; ++i1, ++i) {
 730                 if (i1->second.lyxName == name)
 731                         return i;
 732         }
 733
 734         // we can get here if a LyX document has a template not installed
 735         // on this machine.
 736         return -1;
 737 }
 738
 739
 740 external::Template GuiExternal::getTemplate(int i) const
 741 {
 742         external::TemplateManager::Templates::const_iterator i1
 743                 = external::TemplateManager::get().getTemplates().begin();
 744
 745         advance(i1, i);
 746
 747         return i1->second;
 748 }
 749
 750
 751 string const
 752 GuiExternal::getTemplateFilters(string const & template_name) const
 753 {
 754         /// Determine the template file extension
 755         external::TemplateManager const & etm =
 756                 external::TemplateManager::get();
 757         external::Template const * const et_ptr =
 758                 etm.getTemplateByName(template_name);
 759
 760         if (et_ptr)
 761                 return et_ptr->fileRegExp;
 762
 763         return string();
 764 }
 765
 766
 767 QString GuiExternal::browse(QString const & input,
 768                                      QString const & template_name) const
 769 {
 770         QString const title = qt_("Select external file");
 771         QString const bufpath = bufferFilepath();
 772         FileFilterList const filter =
 773                 FileFilterList(from_utf8(getTemplateFilters(fromqstr(template_name))));
 774
 775         QString const label1 = qt_("Documents|#o#O");
 776         QString const dir1 = toqstr(lyxrc.document_path);
 777
 778         return browseRelFile(input, bufpath, title, filter, false, label1, dir1);
 779 }
 780
 781
 782 string const GuiExternal::readBB(string const & file)
 783 {
 784         FileName const abs_file(makeAbsPath(file, fromqstr(bufferFilepath())));
 785
 786         // try to get it from the file, if possible. Zipped files are
 787         // unzipped in the readBB_from_PSFile-Function
 788         string const bb = readBB_from_PSFile(abs_file);
 789         if (!bb.empty())
 790                 return bb;
 791
 792         // we don't, so ask the Graphics Cache if it has loaded the file
 793         int width = 0;
 794         int height = 0;
 795
 796         graphics::Cache & gc = graphics::Cache::get();
 797         if (gc.inCache(abs_file)) {
 798                 graphics::Image const * image = gc.item(abs_file)->image();
 799
 800                 if (image) {
 801                         width  = image->width();
 802                         height = image->height();
 803                 }
 804         }
 805
 806         return ("0 0 " + convert<string>(width) + ' ' + convert<string>(height));
 807 }
 808
 809
 810 Dialog * createGuiExternal(GuiView & lv) { return new GuiExternal(lv); }
 811
 812
 813 } // namespace frontend
 814 } // namespace lyx
 815
 816 #include "GuiExternal_moc.cpp"