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