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