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