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 "frontend_helpers.h"
  18 #include "FuncRequest.h"
  19 #include "gettext.h"
  20 #include "Length.h"
  21 #include "LyXRC.h"
  22
  23 #include "insets/ExternalSupport.h"
  24 #include "insets/ExternalTemplate.h"
  25 #include "insets/InsetExternal.h"
  26
  27 #include "graphics/GraphicsCache.h"
  28 #include "graphics/GraphicsCacheItem.h"
  29 #include "graphics/GraphicsImage.h"
  30
  31 #include "support/convert.h"
  32 #include "support/FileFilterList.h"
  33 #include "support/filetools.h"
  34 #include "support/lstrings.h"
  35 #include "support/lyxlib.h"
  36 #include "support/os.h"
  37
  38 #include "LengthCombo.h"
  39 #include "qt_helpers.h"
  40 #include "Validator.h"
  41
  42 #include <QCloseEvent>
  43 #include <QCheckBox>
  44 #include <QLineEdit>
  45 #include <QPushButton>
  46 #include <QTabWidget>
  47 #include <QTextBrowser>
  48
  49 using std::advance;
  50 using std::vector;
  51 using std::string;
  52
  53
  54 namespace lyx {
  55 namespace frontend {
  56
  57 using support::FileFilterList;
  58 using support::FileName;
  59 using support::float_equal;
  60 using support::isStrDbl;
  61 using support::makeAbsPath;
  62 using support::readBB_from_PSFile;
  63 using support::token;
  64 using support::trim;
  65 using support::os::internal_path;
  66
  67 using namespace external;
  68
  69 namespace {
  70
  71 RotationDataType origins_array[] = {
  72         RotationData::DEFAULT,
  73         RotationData::TOPLEFT,
  74         RotationData::BOTTOMLEFT,
  75         RotationData::BASELINELEFT,
  76         RotationData::CENTER,
  77         RotationData::TOPCENTER,
  78         RotationData::BOTTOMCENTER,
  79         RotationData::BASELINECENTER,
  80         RotationData::TOPRIGHT,
  81         RotationData::BOTTOMRIGHT,
  82         RotationData::BASELINERIGHT
  83 };
  84
  85
  86 size_type const origins_array_size =
  87 sizeof(origins_array) / sizeof(origins_array[0]);
  88
  89 vector<external::RotationDataType> const
  90 all_origins(origins_array, origins_array + origins_array_size);
  91
  92 // These are the strings, corresponding to the above, that the GUI should
  93 // use. Note that they can/should be translated.
  94 char const * const origin_gui_strs[] = {
  95         N_("Default"),
  96         N_("Top left"), N_("Bottom left"), N_("Baseline left"),
  97         N_("Center"), N_("Top center"), N_("Bottom center"), N_("Baseline center"),
  98         N_("Top right"), N_("Bottom right"), N_("Baseline right")
  99 };
 100
 101 } // namespace anon
 102
 103
 104 GuiExternal::GuiExternal(LyXView & lv)
 105         : GuiDialog(lv, "external"), bbChanged_(false)
 106 {
 107         setupUi(this);
 108         setViewTitle(_("External Material"));
 109
 110         connect(okPB, SIGNAL(clicked()), this, SLOT(slotOK()));
 111         connect(applyPB, SIGNAL(clicked()), this, SLOT(slotApply()));
 112         connect(closePB, SIGNAL(clicked()), this, SLOT(slotClose()));
 113
 114         connect(displayCB, SIGNAL(toggled(bool)),
 115                 showCO, SLOT(setEnabled(bool)));
 116         connect(displayCB, SIGNAL(toggled(bool)),
 117                 displayscaleED, SLOT(setEnabled(bool)));
 118         connect(showCO, SIGNAL(activated(QString)),
 119                 this, SLOT(change_adaptor()));
 120         connect(originCO, SIGNAL(activated(int)),
 121                 this, SLOT(change_adaptor()));
 122         connect(aspectratioCB, SIGNAL(stateChanged(int)),
 123                 this, SLOT(change_adaptor()));
 124         connect(browsePB, SIGNAL(clicked()),
 125                 this, SLOT(browseClicked()));
 126         connect(editPB, SIGNAL(clicked()),
 127                 this, SLOT(editClicked()));
 128         connect(externalCO, SIGNAL(activated(QString)),
 129                 this, SLOT(templateChanged()));
 130         connect(extraED, SIGNAL(textChanged(QString)),
 131                 this, SLOT(extraChanged(QString)));
 132         connect(extraFormatCO, SIGNAL(activated(QString)),
 133                 this, SLOT(formatChanged(QString)));
 134         connect(widthUnitCO, SIGNAL(activated(int)),
 135                 this, SLOT(widthUnitChanged()));
 136         connect(heightUnitCO, SIGNAL(selectionChanged(lyx::Length::UNIT)),
 137                 this, SLOT(change_adaptor()));
 138         connect(displayCB, SIGNAL(stateChanged(int)),
 139                 this, SLOT(change_adaptor()));
 140         connect(displayscaleED, SIGNAL(textChanged(QString)),
 141                 this, SLOT(change_adaptor()));
 142         connect(angleED, SIGNAL(textChanged(QString)),
 143                 this, SLOT(change_adaptor()));
 144         connect(widthED, SIGNAL(textChanged(QString)),
 145                 this, SLOT(sizeChanged()));
 146         connect(heightED, SIGNAL(textChanged(QString)),
 147                 this, SLOT(sizeChanged()));
 148         connect(fileED, SIGNAL(textChanged(QString)),
 149                 this, SLOT(change_adaptor()));
 150         connect(clipCB, SIGNAL(stateChanged(int)),
 151                 this, SLOT(change_adaptor()));
 152         connect(getbbPB, SIGNAL(clicked()), this, SLOT(getbbClicked()));
 153         connect(xrED, SIGNAL(textChanged(QString)), this, SLOT(bbChanged()));
 154         connect(ytED, SIGNAL(textChanged(QString)), this, SLOT(bbChanged()));
 155         connect(xlED, SIGNAL(textChanged(QString)), this, SLOT(bbChanged()));
 156         connect(ybED, SIGNAL(textChanged(QString)), this, SLOT(bbChanged()));
 157         connect(draftCB, SIGNAL(clicked()), this, SLOT(change_adaptor()));
 158
 159         QIntValidator * validator = new QIntValidator(displayscaleED);
 160         validator->setBottom(1);
 161         displayscaleED->setValidator(validator);
 162
 163         angleED->setValidator(new QDoubleValidator(-360, 360, 2, angleED));
 164
 165         xlED->setValidator(new QIntValidator(xlED));
 166         ybED->setValidator(new QIntValidator(ybED));
 167         xrED->setValidator(new QIntValidator(xrED));
 168         ytED->setValidator(new QIntValidator(ytED));
 169
 170         widthED->setValidator(unsignedLengthValidator(widthED));
 171         heightED->setValidator(unsignedLengthValidator(heightED));
 172
 173         setFocusProxy(fileED);
 174
 175         bc().setPolicy(ButtonPolicy::NoRepeatedApplyReadOnlyPolicy);
 176
 177         bc().setOK(okPB);
 178         bc().setApply(applyPB);
 179         bc().setCancel(closePB);
 180
 181         bc().addReadOnly(fileED);
 182         bc().addReadOnly(browsePB);
 183         bc().addReadOnly(editPB);
 184         bc().addReadOnly(externalCO);
 185         bc().addReadOnly(draftCB);
 186         bc().addReadOnly(displayscaleED);
 187         bc().addReadOnly(showCO);
 188         bc().addReadOnly(displayCB);
 189         bc().addReadOnly(angleED);
 190         bc().addReadOnly(originCO);
 191         bc().addReadOnly(heightUnitCO);
 192         bc().addReadOnly(heightED);
 193         bc().addReadOnly(aspectratioCB);
 194         bc().addReadOnly(widthUnitCO);
 195         bc().addReadOnly(widthED);
 196         bc().addReadOnly(clipCB);
 197         bc().addReadOnly(getbbPB);
 198         bc().addReadOnly(ytED);
 199         bc().addReadOnly(xlED);
 200         bc().addReadOnly(xrED);
 201         bc().addReadOnly(ybED);
 202         bc().addReadOnly(extraFormatCO);
 203         bc().addReadOnly(extraED);
 204
 205         bc().addCheckedLineEdit(angleED, angleLA);
 206         bc().addCheckedLineEdit(displayscaleED, scaleLA);
 207         bc().addCheckedLineEdit(heightED, heightLA);
 208         bc().addCheckedLineEdit(widthED, widthLA);
 209         bc().addCheckedLineEdit(xlED, lbLA);
 210         bc().addCheckedLineEdit(ybED, lbLA);
 211         bc().addCheckedLineEdit(xrED, rtLA);
 212         bc().addCheckedLineEdit(ytED, rtLA);
 213         bc().addCheckedLineEdit(fileED, fileLA);
 214
 215         std::vector<string> templates = getTemplates();
 216
 217         for (std::vector<string>::const_iterator cit = templates.begin();
 218                 cit != templates.end(); ++cit) {
 219                 externalCO->addItem(qt_(*cit));
 220         }
 221
 222         // Fill the origins combo
 223         for (size_t i = 0; i != all_origins.size(); ++i)
 224                 originCO->addItem(qt_(origin_gui_strs[i]));
 225
 226         // Fill the width combo
 227         widthUnitCO->addItem(qt_("Scale%"));
 228         for (int i = 0; i < num_units; i++)
 229                 widthUnitCO->addItem(qt_(unit_name_gui[i]));
 230 }
 231
 232
 233 bool GuiExternal::activateAspectratio() const
 234 {
 235         if (widthUnitCO->currentIndex() == 0)
 236                 return false;
 237
 238         string const wstr = fromqstr(widthED->text());
 239         if (wstr.empty())
 240                 return false;
 241         bool const wIsDbl = isStrDbl(wstr);
 242         if (wIsDbl && float_equal(convert<double>(wstr), 0.0, 0.05))
 243                 return false;
 244         Length l;
 245         if (!wIsDbl && (!isValidLength(wstr, &l) || l.zero()))
 246                 return false;
 247
 248         string const hstr = fromqstr(heightED->text());
 249         if (hstr.empty())
 250                 return false;
 251         bool const hIsDbl = isStrDbl(hstr);
 252         if (hIsDbl && float_equal(convert<double>(hstr), 0.0, 0.05))
 253                 return false;
 254         if (!hIsDbl && (!isValidLength(hstr, &l) || l.zero()))
 255                 return false;
 256
 257         return true;
 258 }
 259
 260
 261 void GuiExternal::bbChanged()
 262 {
 263         bbChanged_ = true;
 264         changed();
 265 }
 266
 267
 268 void GuiExternal::browseClicked()
 269 {
 270         int const choice =  externalCO->currentIndex();
 271         docstring const template_name = from_utf8(getTemplate(choice).lyxName);
 272         docstring const str = browse(qstring_to_ucs4(fileED->text()), template_name);
 273         if (!str.empty()) {
 274                 fileED->setText(toqstr(str));
 275                 changed();
 276         }
 277 }
 278
 279
 280 void GuiExternal::change_adaptor()
 281 {
 282         changed();
 283 }
 284
 285
 286 void GuiExternal::closeEvent(QCloseEvent * e)
 287 {
 288         slotClose();
 289         e->accept();
 290 }
 291
 292
 293 void GuiExternal::editClicked()
 294 {
 295         editExternal();
 296 }
 297
 298
 299
 300 void GuiExternal::extraChanged(const QString& text)
 301 {
 302         std::string const format = fromqstr(extraFormatCO->currentText());
 303         extra_[format] = text;
 304         changed();
 305 }
 306
 307
 308 void GuiExternal::formatChanged(const QString& format)
 309 {
 310         extraED->setText(extra_[fromqstr(format)]);
 311 }
 312
 313
 314 void GuiExternal::getbbClicked()
 315 {
 316         getBB();
 317 }
 318
 319
 320 void GuiExternal::sizeChanged()
 321 {
 322         aspectratioCB->setEnabled(activateAspectratio());
 323         changed();
 324 }
 325
 326
 327 void GuiExternal::templateChanged()
 328 {
 329         updateTemplate();
 330         changed();
 331 }
 332
 333
 334 void GuiExternal::widthUnitChanged()
 335 {
 336         bool useHeight = (widthUnitCO->currentIndex() > 0);
 337
 338         if (useHeight)
 339                 widthED->setValidator(unsignedLengthValidator(widthED));
 340         else
 341                 widthED->setValidator(new QDoubleValidator(0, 1000, 2, widthED));
 342
 343         heightED->setEnabled(useHeight);
 344         heightUnitCO->setEnabled(useHeight);
 345         changed();
 346 }
 347
 348
 349 static Length::UNIT defaultUnit()
 350 {
 351         Length::UNIT default_unit = Length::CM;
 352         switch (lyxrc.default_papersize) {
 353         case PAPER_USLETTER:
 354         case PAPER_USLEGAL:
 355         case PAPER_USEXECUTIVE:
 356                 default_unit = Length::IN;
 357                 break;
 358         default:
 359                 break;
 360         }
 361         return default_unit;
 362 }
 363
 364
 365 static void setDisplay(
 366         QCheckBox & displayCB, QComboBox & showCO, QLineEdit & scaleED,
 367         external::DisplayType display, unsigned int scale, bool read_only)
 368 {
 369         int item = 0;
 370         switch (display) {
 371         case external::DefaultDisplay:
 372                 item = 0;
 373                 break;
 374         case external::MonochromeDisplay:
 375                 item = 1;
 376                 break;
 377         case external::GrayscaleDisplay:
 378                 item = 2;
 379                 break;
 380         case external::ColorDisplay:
 381                 item = 3;
 382                 break;
 383         case external::PreviewDisplay:
 384                 item = 4;
 385                 break;
 386         case external::NoDisplay:
 387                 item = 0;
 388                 break;
 389         }
 390
 391         showCO.setCurrentIndex(item);
 392         bool const no_display = display == external::NoDisplay;
 393         showCO.setEnabled(!no_display && !read_only);
 394         displayCB.setChecked(!no_display);
 395         scaleED.setEnabled(!no_display && !read_only);
 396         scaleED.setText(QString::number(scale));
 397 }
 398
 399
 400 static void getDisplay(external::DisplayType & display,
 401                 unsigned int & scale,
 402                 QCheckBox const & displayCB,
 403                 QComboBox const & showCO,
 404                 QLineEdit const & scaleED)
 405 {
 406         switch (showCO.currentIndex()) {
 407         case 0:
 408                 display = external::DefaultDisplay;
 409                 break;
 410         case 1:
 411                 display = external::MonochromeDisplay;
 412                 break;
 413         case 2:
 414                 display = external::GrayscaleDisplay;
 415                 break;
 416         case 3:
 417                 display = external::ColorDisplay;
 418                 break;
 419         case 4:
 420                 display = external::PreviewDisplay;
 421                 break;
 422         }
 423
 424         if (!displayCB.isChecked())
 425                 display = external::NoDisplay;
 426
 427         scale = scaleED.text().toInt();
 428 }
 429
 430
 431 static void setRotation(QLineEdit & angleED, QComboBox & originCO,
 432         external::RotationData const & data)
 433 {
 434         originCO.setCurrentIndex(int(data.origin()));
 435         angleED.setText(toqstr(data.angle));
 436 }
 437
 438
 439 static void getRotation(external::RotationData & data,
 440         QLineEdit const & angleED, QComboBox const & originCO)
 441 {
 442         typedef external::RotationData::OriginType OriginType;
 443
 444         data.origin(static_cast<OriginType>(originCO.currentIndex()));
 445         data.angle = fromqstr(angleED.text());
 446 }
 447
 448
 449 static void setSize(QLineEdit & widthED, QComboBox & widthUnitCO,
 450         QLineEdit & heightED, LengthCombo & heightUnitCO,
 451         QCheckBox & aspectratioCB,
 452         external::ResizeData const & data)
 453 {
 454         bool using_scale = data.usingScale();
 455         std::string scale = data.scale;
 456         if (data.no_resize()) {
 457                 // Everything is zero, so default to this!
 458                 using_scale = true;
 459                 scale = "100";
 460         }
 461
 462         if (using_scale) {
 463                 widthED.setText(toqstr(scale));
 464                 widthUnitCO.setCurrentIndex(0);
 465         } else {
 466                 widthED.setText(QString::number(data.width.value()));
 467                 // Because 'Scale' is position 0...
 468                 // Note also that width cannot be zero here, so
 469                 // we don't need to worry about the default unit.
 470                 widthUnitCO.setCurrentIndex(data.width.unit() + 1);
 471         }
 472
 473         string const h = data.height.zero() ? string() : data.height.asString();
 474         Length::UNIT default_unit = data.width.zero() ?
 475                 defaultUnit() : data.width.unit();
 476         lengthToWidgets(&heightED, &heightUnitCO, h, default_unit);
 477
 478         heightED.setEnabled(!using_scale);
 479         heightUnitCO.setEnabled(!using_scale);
 480
 481         aspectratioCB.setChecked(data.keepAspectRatio);
 482
 483         bool const disable_aspectRatio = using_scale ||
 484                 data.width.zero() || data.height.zero();
 485         aspectratioCB.setEnabled(!disable_aspectRatio);
 486 }
 487
 488
 489 static void getSize(external::ResizeData & data,
 490         QLineEdit const & widthED, QComboBox const & widthUnitCO,
 491         QLineEdit const & heightED, LengthCombo const & heightUnitCO,
 492         QCheckBox const & aspectratioCB)
 493 {
 494         string const width = fromqstr(widthED.text());
 495
 496         if (widthUnitCO.currentIndex() > 0) {
 497                 // Subtract one, because scale is 0.
 498                 int const unit = widthUnitCO.currentIndex() - 1;
 499
 500                 Length w;
 501                 if (isValidLength(width, &w))
 502                         data.width = w;
 503                 else if (isStrDbl(width))
 504                         data.width = Length(convert<double>(width),
 505                                            static_cast<Length::UNIT>(unit));
 506                 else
 507                         data.width = Length();
 508
 509                 data.scale = string();
 510
 511         } else {
 512                 // scaling instead of a width
 513                 data.scale = width;
 514                 data.width = Length();
 515         }
 516
 517         data.height = Length(widgetsToLength(&heightED, &heightUnitCO));
 518
 519         data.keepAspectRatio = aspectratioCB.isChecked();
 520 }
 521
 522
 523 void setCrop(QCheckBox & clipCB,
 524         QLineEdit & xlED, QLineEdit & ybED,
 525         QLineEdit & xrED, QLineEdit & ytED,
 526         external::ClipData const & data)
 527 {
 528         clipCB.setChecked(data.clip);
 529         graphics::BoundingBox const & bbox = data.bbox;
 530         xlED.setText(QString::number(bbox.xl));
 531         ybED.setText(QString::number(bbox.yb));
 532         xrED.setText(QString::number(bbox.xr));
 533         ytED.setText(QString::number(bbox.yt));
 534 }
 535
 536
 537 static void getCrop(external::ClipData & data,
 538         QCheckBox const & clipCB,
 539         QLineEdit const & xlED, QLineEdit const & ybED,
 540         QLineEdit const & xrED, QLineEdit const & ytED,
 541         bool bb_changed)
 542 {
 543         data.clip = clipCB.isChecked();
 544
 545         if (!bb_changed)
 546                 return;
 547
 548         data.bbox.xl = xlED.text().toInt();
 549         data.bbox.yb = ybED.text().toInt();
 550         data.bbox.xr = xrED.text().toInt();
 551         data.bbox.yt = ytED.text().toInt();
 552 }
 553
 554
 555 static void getExtra(external::ExtraData & data,
 556               GuiExternal::MapType const & extra)
 557 {
 558         typedef GuiExternal::MapType MapType;
 559         MapType::const_iterator it = extra.begin();
 560         MapType::const_iterator const end = extra.end();
 561         for (; it != end; ++it)
 562                 data.set(it->first, trim(fromqstr(it->second)));
 563 }
 564
 565
 566 void GuiExternal::updateContents()
 567 {
 568         tab->setCurrentIndex(0);
 569
 570         string const name =
 571                 params_.filename.outputFilename(bufferFilepath());
 572         fileED->setText(toqstr(name));
 573
 574         externalCO->setCurrentIndex(getTemplateNumber(params_.templatename()));
 575         updateTemplate();
 576
 577         draftCB->setChecked(params_.draft);
 578
 579         setDisplay(*displayCB, *showCO, *displayscaleED,
 580                    params_.display, params_.lyxscale, isBufferReadonly());
 581
 582         setRotation(*angleED, *originCO, params_.rotationdata);
 583
 584         setSize(*widthED, *widthUnitCO, *heightED, *heightUnitCO,
 585                 *aspectratioCB, params_.resizedata);
 586
 587         setCrop(*clipCB, *xlED, *ybED, *xrED, *ytED, params_.clipdata);
 588         bbChanged_ = !params_.clipdata.bbox.empty();
 589
 590         isValid();
 591 }
 592
 593
 594 void GuiExternal::updateTemplate()
 595 {
 596         external::Template templ = getTemplate(externalCO->currentIndex());
 597         externalTB->setPlainText(qt_(templ.helpText));
 598
 599         // Ascertain which (if any) transformations the template supports
 600         // and disable tabs hosting unsupported transforms.
 601         typedef vector<external::TransformID> TransformIDs;
 602         TransformIDs const transformIds = templ.transformIds;
 603         TransformIDs::const_iterator tr_begin = transformIds.begin();
 604         TransformIDs::const_iterator const tr_end = transformIds.end();
 605
 606         bool found = std::find(tr_begin, tr_end, external::Rotate) != tr_end;
 607         tab->setTabEnabled(tab->indexOf(rotatetab), found);
 608         found = std::find(tr_begin, tr_end, external::Resize) != tr_end;
 609         tab->setTabEnabled(tab->indexOf(scaletab), found);
 610
 611         found = std::find(tr_begin, tr_end, external::Clip) != tr_end;
 612         tab->setTabEnabled(tab->indexOf(croptab), found);
 613
 614         found = std::find(tr_begin, tr_end, external::Extra) != tr_end;
 615         tab->setTabEnabled(tab->indexOf(optionstab), found);
 616
 617         if (!found)
 618                 return;
 619
 620         // Ascertain whether the template has any formats supporting
 621         // the 'Extra' option
 622         extra_.clear();
 623         extraED->clear();
 624         extraFormatCO->clear();
 625
 626         external::Template::Formats::const_iterator it  = templ.formats.begin();
 627         external::Template::Formats::const_iterator end = templ.formats.end();
 628         for (; it != end; ++it) {
 629                 if (it->second.option_transformers.find(external::Extra) ==
 630                     it->second.option_transformers.end())
 631                         continue;
 632                 string const format = it->first;
 633                 string const opt = params_.extradata.get(format);
 634                 extraFormatCO->addItem(toqstr(format));
 635                 extra_[format] = toqstr(opt);
 636         }
 637
 638         bool const enabled = extraFormatCO->count()  > 0;
 639
 640         tab->setTabEnabled(
 641                 tab->indexOf(optionstab), enabled);
 642         extraED->setEnabled(enabled && !isBufferReadonly());
 643         extraFormatCO->setEnabled(enabled);
 644
 645         if (enabled) {
 646                 extraFormatCO->setCurrentIndex(0);
 647                 extraED->setText(extra_[fromqstr(extraFormatCO->currentText())]);
 648         }
 649 }
 650
 651
 652 void GuiExternal::applyView()
 653 {
 654         params_.filename.set(internal_path(fromqstr(fileED->text())),
 655                             bufferFilepath());
 656
 657         params_.settemplate(getTemplate(externalCO->currentIndex()).lyxName);
 658
 659         params_.draft = draftCB->isChecked();
 660
 661         getDisplay(params_.display, params_.lyxscale,
 662                    *displayCB, *showCO,
 663                    *displayscaleED);
 664
 665         if (tab->isTabEnabled(tab->indexOf(rotatetab)))
 666                 getRotation(params_.rotationdata, *angleED, *originCO);
 667
 668         if (tab->isTabEnabled(tab->indexOf(scaletab)))
 669                 getSize(params_.resizedata, *widthED, *widthUnitCO,
 670                         *heightED, *heightUnitCO, *aspectratioCB);
 671
 672         if (tab->isTabEnabled(tab->indexOf(croptab)))
 673                 getCrop(params_.clipdata, *clipCB, *xlED, *ybED,
 674                         *xrED, *ytED, bbChanged_);
 675
 676         if (tab->isTabEnabled(tab->indexOf(optionstab)))
 677                 getExtra(params_.extradata, extra_);
 678 }
 679
 680
 681 void GuiExternal::getBB()
 682 {
 683         xlED->setText("0");
 684         ybED->setText("0");
 685         xrED->setText("0");
 686         ytED->setText("0");
 687
 688         string const filename = fromqstr(fileED->text());
 689         if (filename.empty())
 690                 return;
 691
 692         string const bb = readBB(filename);
 693         if (bb.empty())
 694                 return;
 695
 696         xlED->setText(toqstr(token(bb, ' ', 0)));
 697         ybED->setText(toqstr(token(bb, ' ', 1)));
 698         xrED->setText(toqstr(token(bb, ' ', 2)));
 699         ytED->setText(toqstr(token(bb, ' ', 3)));
 700
 701         bbChanged_ = false;
 702 }
 703
 704
 705 bool GuiExternal::initialiseParams(string const & data)
 706 {
 707         InsetExternalMailer::string2params(data, buffer(), params_);
 708         return true;
 709 }
 710
 711
 712 void GuiExternal::clearParams()
 713 {
 714         params_ = InsetExternalParams();
 715 }
 716
 717
 718 void GuiExternal::dispatchParams()
 719 {
 720         string const lfun = InsetExternalMailer::params2string(params_, buffer());
 721         dispatch(FuncRequest(getLfun(), lfun));
 722 }
 723
 724
 725 void GuiExternal::editExternal()
 726 {
 727         applyView();
 728         string const lfun = InsetExternalMailer::params2string(params_, buffer());
 729         dispatch(FuncRequest(LFUN_EXTERNAL_EDIT, lfun));
 730 }
 731
 732
 733 vector<string> const GuiExternal::getTemplates() const
 734 {
 735         vector<string> result;
 736
 737         external::TemplateManager::Templates::const_iterator i1, i2;
 738         i1 = external::TemplateManager::get().getTemplates().begin();
 739         i2 = external::TemplateManager::get().getTemplates().end();
 740
 741         for (; i1 != i2; ++i1) {
 742                 result.push_back(i1->second.lyxName);
 743         }
 744         return result;
 745 }
 746
 747
 748 int GuiExternal::getTemplateNumber(string const & name) const
 749 {
 750         external::TemplateManager::Templates::const_iterator i1, i2;
 751         i1 = external::TemplateManager::get().getTemplates().begin();
 752         i2 = external::TemplateManager::get().getTemplates().end();
 753         for (int i = 0; i1 != i2; ++i1, ++i) {
 754                 if (i1->second.lyxName == name)
 755                         return i;
 756         }
 757
 758         // we can get here if a LyX document has a template not installed
 759         // on this machine.
 760         return -1;
 761 }
 762
 763
 764 external::Template GuiExternal::getTemplate(int i) const
 765 {
 766         external::TemplateManager::Templates::const_iterator i1
 767                 = external::TemplateManager::get().getTemplates().begin();
 768
 769         advance(i1, i);
 770
 771         return i1->second;
 772 }
 773
 774
 775 string const
 776 GuiExternal::getTemplateFilters(string const & template_name) const
 777 {
 778         /// Determine the template file extension
 779         external::TemplateManager const & etm =
 780                 external::TemplateManager::get();
 781         external::Template const * const et_ptr =
 782                 etm.getTemplateByName(template_name);
 783
 784         if (et_ptr)
 785                 return et_ptr->fileRegExp;
 786
 787         return string();
 788 }
 789
 790
 791 docstring const GuiExternal::browse(docstring const & input,
 792                                      docstring const & template_name) const
 793 {
 794         docstring const title =  _("Select external file");
 795
 796         docstring const bufpath = from_utf8(bufferFilepath());
 797         FileFilterList const filter =
 798                 FileFilterList(from_utf8(getTemplateFilters(to_utf8(template_name))));
 799
 800         docstring const label1 = _("Documents|#o#O");
 801         docstring const dir1 = from_utf8(lyxrc.document_path);
 802
 803         return browseRelFile(input, bufpath, title, filter, false, label1, dir1);
 804 }
 805
 806
 807 string const GuiExternal::readBB(string const & file)
 808 {
 809         FileName const abs_file(makeAbsPath(file, bufferFilepath()));
 810
 811         // try to get it from the file, if possible. Zipped files are
 812         // unzipped in the readBB_from_PSFile-Function
 813         string const bb = readBB_from_PSFile(abs_file);
 814         if (!bb.empty())
 815                 return bb;
 816
 817         // we don't, so ask the Graphics Cache if it has loaded the file
 818         int width = 0;
 819         int height = 0;
 820
 821         graphics::Cache & gc = graphics::Cache::get();
 822         if (gc.inCache(abs_file)) {
 823                 graphics::Image const * image = gc.item(abs_file)->image();
 824
 825                 if (image) {
 826                         width  = image->getWidth();
 827                         height = image->getHeight();
 828                 }
 829         }
 830
 831         return ("0 0 " + convert<string>(width) + ' ' + convert<string>(height));
 832 }
 833
 834
 835 Dialog * createGuiExternal(LyXView & lv) { return new GuiExternal(lv); }
 836
 837
 838 } // namespace frontend
 839 } // namespace lyx
 840
 841 #include "GuiExternal_moc.cpp"