src/frontends/qt4/GuiGraphics.cpp

   1 /**
   2  * \file GuiGraphics.cpp
   3  * This file is part of LyX, the document processor.
   4  * Licence details can be found in the file COPYING.
   5  *
   6  * \author Angus Leeming
   7  * \author John Levon
   8  * \author Edwin Leuven
   9  * \author Herbert Voß
  10  * \author Richard Heck
  11  *
  12  * Full author contact details are available in file CREDITS.
  13  */
  14
  15 #include <config.h>
  16
  17 #include "GuiGraphics.h"
  18
  19 #include "support/debug.h"
  20 #include "LengthCombo.h"
  21 #include "Length.h"
  22 #include "LyXRC.h"
  23 #include "qt_helpers.h"
  24 #include "Validator.h"
  25
  26 #include "FuncRequest.h"
  27 #include "support/gettext.h"
  28
  29 #include "graphics/GraphicsCache.h"
  30 #include "graphics/GraphicsCacheItem.h"
  31 #include "graphics/GraphicsImage.h"
  32
  33 #include "insets/InsetGraphicsParams.h"
  34
  35 #include "support/convert.h"
  36 #include "support/FileFilterList.h"
  37 #include "support/filetools.h"
  38 #include "support/lstrings.h"
  39 #include "support/os.h"
  40 #include "support/Package.h"
  41 #include "support/types.h"
  42
  43 #include <boost/bind.hpp>
  44
  45 #include <QCheckBox>
  46 #include <QCloseEvent>
  47 #include <QLabel>
  48 #include <QLineEdit>
  49 #include <QPushButton>
  50 #include <QValidator>
  51
  52 #include <algorithm>
  53 #include <cmath>
  54 #include <utility>
  55
  56 using namespace std;
  57 using namespace lyx::support;
  58
  59 namespace lyx {
  60 namespace frontend {
  61
  62 //FIXME setAutoTextCB should really take an argument, as indicated, that
  63 //determines what text is to be written for "auto". But making
  64 //that work involves more extensive revisions than we now want
  65 //to make, since "auto" also appears in updateContents() (see
  66 //GuiGraphics.cpp).
  67 //The right way to do this, I think, would be to define a class
  68 //checkedLengthSet (and a partnering labeledLengthSete) that encapsulated
  69 //the checkbox, line edit, and length combo together, and then made e.g.
  70 //lengthToWidgets, widgetsToLength, etc, all public methods of that class.
  71 //Perhaps even the validator could be exposed through it.
  72 /**
  73  * sets a checkbox-line edit-length combo group, using "text" if the
  74  * checkbox is unchecked and clearing the line edit if it previously
  75  * said "text".
  76 */
  77 static void setAutoTextCB(QCheckBox * checkBox, QLineEdit * lineEdit,
  78         LengthCombo * lengthCombo/*, string text = "auto"*/)
  79 {
  80         if (!checkBox->isChecked())
  81                 lengthToWidgets(lineEdit, lengthCombo,
  82                                 "auto", lengthCombo->currentLengthItem());
  83         else if (lineEdit->text() == "auto")
  84                 lengthToWidgets(lineEdit, lengthCombo, string(),
  85                                 lengthCombo->currentLengthItem());
  86 }
  87
  88 template<class Pair>
  89 vector<typename Pair::first_type> const
  90 getFirst(vector<Pair> const & pr)
  91 {
  92         vector<typename Pair::first_type> tmp(pr.size());
  93         transform(pr.begin(), pr.end(), tmp.begin(),
  94                   boost::bind(&Pair::first, _1));
  95         return tmp;
  96 }
  97
  98 ///
  99 template<class Pair>
 100 vector<typename Pair::second_type> const
 101 getSecond(vector<Pair> const & pr)
 102 {
 103          vector<typename Pair::second_type> tmp(pr.size());
 104          transform(pr.begin(), pr.end(), tmp.begin(),
 105                    boost::bind(&Pair::second, _1));
 106          return tmp;
 107 }
 108
 109 /// The (tranlated) GUI string and it's LaTeX equivalent.
 110 typedef pair<docstring, string> RotationOriginPair;
 111 ///
 112 vector<RotationOriginPair> getRotationOriginData();
 113
 114
 115 GuiGraphics::GuiGraphics(GuiView & lv)
 116         : GuiDialog(lv, "graphics", qt_("Graphics"))
 117 {
 118         setupUi(this);
 119
 120         //main buttons
 121         connect(okPB, SIGNAL(clicked()), this, SLOT(slotOK()));
 122         connect(applyPB, SIGNAL(clicked()), this, SLOT(slotApply()));
 123         connect(closePB, SIGNAL(clicked()), this, SLOT(slotClose()));
 124         connect(restorePB, SIGNAL(clicked()), this, SLOT(slotRestore()));
 125
 126         //graphics pane
 127         connect(filename, SIGNAL(textChanged(const QString &)),
 128                 this, SLOT(change_adaptor()));
 129         connect(embedCB, SIGNAL(toggled(bool)),
 130                 this, SLOT(change_adaptor()));
 131         connect(WidthCB, SIGNAL( clicked()),
 132                 this, SLOT(change_adaptor()));
 133         connect(HeightCB, SIGNAL( clicked()),
 134                 this, SLOT(change_adaptor()));
 135         connect(Width, SIGNAL(textChanged(const QString &)),
 136                 this, SLOT(change_adaptor()));
 137         connect(Height, SIGNAL(textChanged(const QString &)),
 138                 this, SLOT(change_adaptor()));
 139         connect(heightUnit, SIGNAL(selectionChanged(lyx::Length::UNIT)),
 140                 this, SLOT(change_adaptor()));
 141         connect(widthUnit, SIGNAL(selectionChanged(lyx::Length::UNIT)),
 142                 this, SLOT(change_adaptor()));
 143         connect(aspectratio, SIGNAL(stateChanged(int)),
 144                 this, SLOT(change_adaptor()));
 145         connect(angle, SIGNAL(textChanged(const QString &)),
 146                 this, SLOT(change_adaptor()));
 147         connect(origin, SIGNAL(activated(int)),
 148                 this, SLOT(change_adaptor()));
 149         connect(scaleCB, SIGNAL(clicked()),
 150                 this, SLOT(change_adaptor()));
 151         connect(Scale, SIGNAL(textChanged(const QString &)),
 152                 this, SLOT(change_adaptor()));
 153         connect(rotateOrderCB, SIGNAL(clicked()),
 154                 this, SLOT(change_adaptor()));
 155
 156         filename->setValidator(new PathValidator(true, filename));
 157         setFocusProxy(filename);
 158
 159         QDoubleValidator * scaleValidator = new DoubleAutoValidator(Scale);
 160         scaleValidator->setBottom(0);
 161         scaleValidator->setDecimals(256); //I guess that will do
 162         Scale->setValidator(scaleValidator);
 163         Height->setValidator(unsignedLengthAutoValidator(Height));
 164         Width->setValidator(unsignedLengthAutoValidator(Width));
 165         angle->setValidator(new QDoubleValidator(-360, 360, 2, angle));
 166
 167         //clipping pane
 168         connect(clip, SIGNAL(stateChanged(int)),
 169                 this, SLOT(change_adaptor()));
 170         connect(lbY, SIGNAL(textChanged(const QString&)),
 171                 this, SLOT(change_bb()));
 172         connect(lbYunit, SIGNAL(activated(int)),
 173                 this, SLOT(change_bb()));
 174         connect(rtY, SIGNAL(textChanged(const QString&)),
 175                 this, SLOT(change_bb()));
 176         connect(rtYunit, SIGNAL(activated(int)),
 177                 this, SLOT(change_bb()));
 178         connect(lbX, SIGNAL(textChanged(const QString&)),
 179                 this, SLOT(change_bb()));
 180         connect(lbXunit, SIGNAL(activated(int)),
 181                 this, SLOT(change_bb()));
 182         connect(rtX, SIGNAL(textChanged(const QString&)),
 183                 this, SLOT(change_bb()));
 184         connect(rtXunit, SIGNAL(activated(int)),
 185                 this, SLOT(change_bb()));
 186         connect(getPB, SIGNAL(clicked()),
 187                 this, SLOT(change_adaptor()));
 188
 189         lbX->setValidator(new QDoubleValidator(lbX));
 190         lbY->setValidator(new QDoubleValidator(lbY));
 191         rtX->setValidator(new QDoubleValidator(rtX));
 192         rtY->setValidator(new QDoubleValidator(rtY));
 193
 194         //extra options pane
 195         connect(latexoptions, SIGNAL(textChanged(const QString&)),
 196                 this, SLOT(change_adaptor()));
 197         connect(draftCB, SIGNAL(stateChanged(int)),
 198                 this, SLOT(change_adaptor()));
 199         connect(unzipCB, SIGNAL(stateChanged(int)),
 200                 this, SLOT(change_adaptor()));
 201         // FIXME: we should connect to clicked() when we move to Qt 4.2 because
 202         // the toggled(bool) signal is also trigged when we update the widgets
 203         // (rgh-4/07) this isn't as much or a problem as it was, because we're now
 204         // using blockSignals() to keep from triggering that signal when we call
 205         // setChecked(). Note, too, that clicked() would get called whenever it
 206         // is clicked, even right clicked (I think), not just whenever it is
 207         // toggled.
 208         connect(subfigure, SIGNAL(toggled(bool)),
 209                 this, SLOT(change_adaptor()));
 210         connect(subcaption, SIGNAL(textChanged(const QString&)),
 211                 this, SLOT(change_adaptor()));
 212         connect(displayGB, SIGNAL(toggled(bool)),
 213                 this, SLOT(change_adaptor()));
 214         connect(showCB, SIGNAL(currentIndexChanged(int)),
 215                 this, SLOT(change_adaptor()));
 216         connect(displayscale, SIGNAL(textChanged(const QString&)),
 217                 this, SLOT(change_adaptor()));
 218         displayscale->setValidator(new QIntValidator(displayscale));
 219
 220         bc().setPolicy(ButtonPolicy::NoRepeatedApplyReadOnlyPolicy);
 221         bc().setOK(okPB);
 222         bc().setApply(applyPB);
 223         bc().setRestore(restorePB);
 224         bc().setCancel(closePB);
 225
 226         bc().addReadOnly(latexoptions);
 227         bc().addReadOnly(subfigure);
 228         bc().addReadOnly(filenameL);
 229         bc().addReadOnly(filename);
 230         bc().addReadOnly(browsePB);
 231         bc().addReadOnly(unzipCB);
 232         bc().addReadOnly(bbFrame);
 233         bc().addReadOnly(draftCB);
 234         bc().addReadOnly(clip);
 235         bc().addReadOnly(unzipCB);
 236         bc().addReadOnly(displayGB);
 237         bc().addReadOnly(sizeGB);
 238         bc().addReadOnly(rotationGB);
 239         bc().addReadOnly(latexoptions);
 240         bc().addReadOnly(getPB);
 241         bc().addReadOnly(rotateOrderCB);
 242
 243         // initialize the length validator
 244         bc().addCheckedLineEdit(Scale, scaleCB);
 245         bc().addCheckedLineEdit(Width, WidthCB);
 246         bc().addCheckedLineEdit(Height, HeightCB);
 247         bc().addCheckedLineEdit(displayscale, scaleLA);
 248         bc().addCheckedLineEdit(angle, angleL);
 249         bc().addCheckedLineEdit(lbX, xL);
 250         bc().addCheckedLineEdit(lbY, yL);
 251         bc().addCheckedLineEdit(rtX, xL_2);
 252         bc().addCheckedLineEdit(rtY, yL_2);
 253         bc().addCheckedLineEdit(filename, filenameL);
 254 }
 255
 256
 257 void GuiGraphics::change_adaptor()
 258 {
 259         changed();
 260 }
 261
 262
 263 void GuiGraphics::change_bb()
 264 {
 265         bbChanged = true;
 266         LYXERR(Debug::GRAPHICS, "[bb_Changed set to true]");
 267         changed();
 268 }
 269
 270
 271 void GuiGraphics::on_browsePB_clicked()
 272 {
 273         docstring const str = browse(qstring_to_ucs4(filename->text()));
 274         if (!str.empty()) {
 275                 filename->setText(toqstr(str));
 276                 changed();
 277         }
 278 }
 279
 280
 281 void GuiGraphics::on_getPB_clicked()
 282 {
 283         getBB();
 284 }
 285
 286
 287 void GuiGraphics::on_editPB_clicked()
 288 {
 289         editGraphics();
 290 }
 291
 292
 293 void GuiGraphics::on_filename_textChanged(const QString & filename)
 294 {
 295         editPB->setDisabled(filename.isEmpty());
 296         EmbeddedFile file = EmbeddedFile(fromqstr(filename), bufferFilepath());
 297 }
 298
 299
 300 void GuiGraphics::setAutoText()
 301 {
 302         if (scaleCB->isChecked())
 303                 return;
 304         if (!Scale->isEnabled() && Scale->text() != "100")
 305                 Scale->setText(QString("auto"));
 306
 307         setAutoTextCB(WidthCB, Width, widthUnit);
 308         setAutoTextCB(HeightCB, Height, heightUnit);
 309 }
 310
 311
 312 void GuiGraphics::on_scaleCB_toggled(bool setScale)
 313 {
 314         Scale->setEnabled(setScale);
 315         if (setScale) {
 316                 Scale->setText("100");
 317                 Scale->setFocus(Qt::OtherFocusReason);
 318         }
 319
 320         WidthCB->setDisabled(setScale);
 321         WidthCB->blockSignals(true);
 322         WidthCB->setChecked(false);
 323         WidthCB->blockSignals(false);
 324         Width->setEnabled(false);
 325         widthUnit->setEnabled(false);
 326
 327         HeightCB->setDisabled(setScale);
 328         HeightCB->blockSignals(true);
 329         HeightCB->setChecked(false);
 330         HeightCB->blockSignals(false);
 331         Height->setEnabled(false);
 332         heightUnit->setEnabled(false);
 333
 334         aspectratio->setDisabled(true);
 335         aspectratio->setChecked(true);
 336
 337         rotateOrderCB->setEnabled((WidthCB->isChecked() ||
 338                                  HeightCB->isChecked() ||
 339                                  scaleCB->isChecked()) &&
 340                                  (angle->text() != "0"));
 341
 342         setAutoText();
 343 }
 344
 345
 346 void GuiGraphics::on_WidthCB_toggled(bool setWidth)
 347 {
 348         Width->setEnabled(setWidth);
 349         widthUnit->setEnabled(setWidth);
 350         if (setWidth)
 351                 Width->setFocus(Qt::OtherFocusReason);
 352
 353         bool const setHeight = HeightCB->isChecked();
 354         aspectratio->setEnabled(setWidth && setHeight);
 355         aspectratio->blockSignals(true);
 356         aspectratio->setChecked(!(setWidth && setHeight));
 357         aspectratio->blockSignals(false);
 358
 359         scaleCB->setEnabled(!setWidth && !setHeight);
 360         //already will be unchecked, so don't need to do that
 361         Scale->setEnabled((!setWidth && !setHeight) //=scaleCB->isEnabled()
 362                         && scaleCB->isChecked()); //should be false, but let's check
 363         rotateOrderCB->setEnabled((setWidth || setHeight ||
 364                                  scaleCB->isChecked()) &&
 365                                  (angle->text() != "0"));
 366
 367         setAutoText();
 368 }
 369
 370
 371 void GuiGraphics::on_HeightCB_toggled(bool setHeight)
 372 {
 373         Height->setEnabled(setHeight);
 374         heightUnit->setEnabled(setHeight);
 375         if (setHeight)
 376                 Height->setFocus(Qt::OtherFocusReason);
 377
 378         bool const setWidth = WidthCB->isChecked();
 379         aspectratio->setEnabled(setWidth && setHeight);
 380         aspectratio->blockSignals(true);
 381         aspectratio->setChecked(!(setWidth && setHeight));
 382         aspectratio->blockSignals(false);
 383
 384         scaleCB->setEnabled(!setWidth && !setHeight);
 385         //already unchecked
 386         Scale->setEnabled((!setWidth && !setHeight) //=scaleCB->isEnabled()
 387                 && scaleCB->isChecked()); //should be false
 388         rotateOrderCB->setEnabled((setWidth || setHeight ||
 389                                  scaleCB->isChecked()) &&
 390                                  (angle->text() != "0"));
 391
 392         setAutoText();
 393 }
 394
 395
 396 void GuiGraphics::on_angle_textChanged(const QString & filename)
 397 {
 398         rotateOrderCB->setEnabled((WidthCB->isChecked() ||
 399                                  HeightCB->isChecked() ||
 400                                  scaleCB->isChecked()) &&
 401                                  (filename != "0"));
 402 }
 403
 404 // returns the number of the string s in the vector v
 405 static int getItemNo(const vector<string> & v, string const & s)
 406 {
 407         vector<string>::const_iterator cit =
 408                     find(v.begin(), v.end(), s);
 409         return (cit != v.end()) ? int(cit - v.begin()) : 0;
 410 }
 411
 412
 413 void GuiGraphics::updateContents()
 414 {
 415         // clear and fill in the comboboxes
 416         vector<string> const bb_units = frontend::getBBUnits();
 417         lbXunit->clear();
 418         lbYunit->clear();
 419         rtXunit->clear();
 420         rtYunit->clear();
 421         for (vector<string>::const_iterator it = bb_units.begin();
 422             it != bb_units.end(); ++it) {
 423                 lbXunit->addItem(toqstr(*it));
 424                 lbYunit->addItem(toqstr(*it));
 425                 rtXunit->addItem(toqstr(*it));
 426                 rtYunit->addItem(toqstr(*it));
 427         }
 428
 429         InsetGraphicsParams & igp = params_;
 430
 431         // set the right default unit
 432         Length::UNIT unitDefault = Length::CM;
 433         switch (lyxrc.default_papersize) {
 434                 case PAPER_USLETTER:
 435                 case PAPER_USLEGAL:
 436                 case PAPER_USEXECUTIVE:
 437                         unitDefault = Length::IN;
 438                         break;
 439                 default:
 440                         break;
 441         }
 442
 443         string const name =
 444                 igp.filename.outputFilename(bufferFilepath());
 445         filename->setText(toqstr(name));
 446         embedCB->setCheckState(igp.filename.embedded() ? Qt::Checked : Qt::Unchecked);
 447
 448         // set the bounding box values
 449         if (igp.bb.empty()) {
 450                 string const bb = readBB(igp.filename.absFilename());
 451                 // the values from the file always have the bigpoint-unit bp
 452                 lbX->setText(toqstr(token(bb, ' ', 0)));
 453                 lbY->setText(toqstr(token(bb, ' ', 1)));
 454                 rtX->setText(toqstr(token(bb, ' ', 2)));
 455                 rtY->setText(toqstr(token(bb, ' ', 3)));
 456                 lbXunit->setCurrentIndex(0);
 457                 lbYunit->setCurrentIndex(0);
 458                 rtXunit->setCurrentIndex(0);
 459                 rtYunit->setCurrentIndex(0);
 460                 bbChanged = false;
 461         } else {
 462                 // get the values from the inset
 463                 Length anyLength;
 464                 string const xl = token(igp.bb, ' ', 0);
 465                 string const yl = token(igp.bb, ' ', 1);
 466                 string const xr = token(igp.bb, ' ', 2);
 467                 string const yr = token(igp.bb, ' ', 3);
 468                 if (isValidLength(xl, &anyLength)) {
 469                         lbX->setText(toqstr(convert<string>(anyLength.value())));
 470                         string const unit(unit_name[anyLength.unit()]);
 471                         lbXunit->setCurrentIndex(getItemNo(bb_units, unit));
 472                 } else {
 473                         lbX->setText(toqstr(xl));
 474                 }
 475                 if (isValidLength(yl, &anyLength)) {
 476                         lbY->setText(toqstr(convert<string>(anyLength.value())));
 477                         string const unit(unit_name[anyLength.unit()]);
 478                         lbYunit->setCurrentIndex(getItemNo(bb_units, unit));
 479                 } else {
 480                         lbY->setText(toqstr(xl));
 481                 }
 482                 if (isValidLength(xr, &anyLength)) {
 483                         rtX->setText(toqstr(convert<string>(anyLength.value())));
 484                         string const unit(unit_name[anyLength.unit()]);
 485                         rtXunit->setCurrentIndex(getItemNo(bb_units, unit));
 486                 } else {
 487                         rtX->setText(toqstr(xl));
 488                 }
 489                 if (isValidLength(yr, &anyLength)) {
 490                         rtY->setText(toqstr(convert<string>(anyLength.value())));
 491                         string const unit(unit_name[anyLength.unit()]);
 492                         rtYunit->setCurrentIndex(getItemNo(bb_units, unit));
 493                 } else {
 494                         rtY->setText(toqstr(xl));
 495                 }
 496                 bbChanged = true;
 497         }
 498
 499         // Update the draft and clip mode
 500         draftCB->setChecked(igp.draft);
 501         clip->setChecked(igp.clip);
 502         unzipCB->setChecked(igp.noUnzip);
 503
 504         // Update the subcaption check button and input field
 505         subfigure->setChecked(igp.subcaption);
 506         subcaption->setText(toqstr(igp.subcaptionText));
 507
 508         int item = 0;
 509         switch (igp.display) {
 510                 case graphics::DefaultDisplay: item = 0; break;
 511                 case graphics::MonochromeDisplay: item = 1; break;
 512                 case graphics::GrayscaleDisplay: item = 2; break;
 513                 case graphics::ColorDisplay: item = 3; break;
 514                 case graphics::NoDisplay: item = 0; break;
 515         }
 516         showCB->setCurrentIndex(item);
 517         displayscale->setText(toqstr(convert<string>(igp.lyxscale)));
 518         displayGB->setChecked(igp.display != graphics::NoDisplay);
 519
 520         // the output section (width/height)
 521
 522         Scale->setText(toqstr(igp.scale));
 523         //igp.scale defaults to 100, so we treat it as empty
 524         bool const scaleChecked = !igp.scale.empty() && igp.scale != "100";
 525         scaleCB->blockSignals(true);
 526         scaleCB->setChecked(scaleChecked);
 527         scaleCB->blockSignals(false);
 528         Scale->setEnabled(scaleChecked);
 529
 530         lengthAutoToWidgets(Width, widthUnit, igp.width,
 531                 unitDefault);
 532         bool const widthChecked = !Width->text().isEmpty() &&
 533                 Width->text() != "auto";
 534         WidthCB->blockSignals(true);
 535         WidthCB->setChecked(widthChecked);
 536         WidthCB->blockSignals(false);
 537         Width->setEnabled(widthChecked);
 538         widthUnit->setEnabled(widthChecked);
 539
 540         lengthAutoToWidgets(Height, heightUnit, igp.height,
 541                 unitDefault);
 542         bool const heightChecked = !Height->text().isEmpty()
 543                 && Height->text() != "auto";
 544         HeightCB->blockSignals(true);
 545         HeightCB->setChecked(heightChecked);
 546         HeightCB->blockSignals(false);
 547         Height->setEnabled(heightChecked);
 548         heightUnit->setEnabled(heightChecked);
 549
 550         scaleCB->setEnabled(!widthChecked && !heightChecked);
 551         WidthCB->setEnabled(!scaleChecked);
 552         HeightCB->setEnabled(!scaleChecked);
 553         aspectratio->setEnabled(widthChecked && heightChecked);
 554
 555         setAutoText();
 556
 557         angle->setText(toqstr(igp.rotateAngle));
 558         rotateOrderCB->setChecked(igp.scaleBeforeRotation);
 559
 560         rotateOrderCB->setEnabled( (widthChecked || heightChecked || scaleChecked)
 561                 && igp.rotateAngle != "0");
 562
 563         origin->clear();
 564
 565         vector<RotationOriginPair> origindata = getRotationOriginData();
 566         vector<docstring> const origin_lang = getFirst(origindata);
 567         origin_ltx = getSecond(origindata);
 568
 569         for (vector<docstring>::const_iterator it = origin_lang.begin();
 570             it != origin_lang.end(); ++it)
 571                 origin->addItem(toqstr(*it));
 572
 573         if (!igp.rotateOrigin.empty())
 574                 origin->setCurrentIndex(
 575                         getItemNo(origin_ltx, igp.rotateOrigin));
 576         else
 577                 origin->setCurrentIndex(0);
 578
 579         // disable edit button when no filename is present
 580         editPB->setDisabled(filename->text().isEmpty());
 581
 582         //// latex section
 583         latexoptions->setText(toqstr(igp.special));
 584 }
 585
 586
 587 void GuiGraphics::applyView()
 588 {
 589         InsetGraphicsParams & igp = params_;
 590
 591         igp.filename.set(fromqstr(filename->text()), bufferFilepath());
 592         igp.filename.setEmbed(embedCB->checkState() == Qt::Checked);
 593
 594         // the bb section
 595         igp.bb.erase();
 596         if (bbChanged) {
 597                 string bb;
 598                 string lbXs = fromqstr(lbX->text());
 599                 string lbYs = fromqstr(lbY->text());
 600                 string rtXs = fromqstr(rtX->text());
 601                 string rtYs = fromqstr(rtY->text());
 602                 int bb_sum =
 603                         convert<int>(lbXs) + convert<int>(lbYs) +
 604                         convert<int>(rtXs) + convert<int>(rtXs);
 605                 if (bb_sum) {
 606                         if (lbXs.empty())
 607                                 bb = "0 ";
 608                         else
 609                                 bb = lbXs + fromqstr(lbXunit->currentText()) + ' ';
 610                         if (lbYs.empty())
 611                                 bb += "0 ";
 612                         else
 613                                 bb += (lbYs + fromqstr(lbYunit->currentText()) + ' ');
 614                         if (rtXs.empty())
 615                                 bb += "0 ";
 616                         else
 617                                 bb += (rtXs + fromqstr(rtXunit->currentText()) + ' ');
 618                         if (rtYs.empty())
 619                                 bb += '0';
 620                         else
 621                                 bb += (rtYs + fromqstr(rtYunit->currentText()));
 622                         igp.bb = bb;
 623                 }
 624         }
 625
 626         igp.draft = draftCB->isChecked();
 627         igp.clip = clip->isChecked();
 628         igp.subcaption = subfigure->isChecked();
 629         igp.subcaptionText = fromqstr(subcaption->text());
 630
 631         switch (showCB->currentIndex()) {
 632                 case 0: igp.display = graphics::DefaultDisplay; break;
 633                 case 1: igp.display = graphics::MonochromeDisplay; break;
 634                 case 2: igp.display = graphics::GrayscaleDisplay; break;
 635                 case 3: igp.display = graphics::ColorDisplay; break;
 636                 default:;
 637         }
 638
 639         if (!displayGB->isChecked())
 640                 igp.display = graphics::NoDisplay;
 641
 642         //the graphics section
 643         if (scaleCB->isChecked() && !Scale->text().isEmpty()) {
 644                 igp.scale = fromqstr(Scale->text());
 645                 igp.width = Length("0pt");
 646                 igp.height = Length("0pt");
 647                 igp.keepAspectRatio = false;
 648         } else {
 649                 igp.scale = string();
 650                 igp.width = WidthCB->isChecked() ?
 651                         //Note that this works even if Width is "auto", since in
 652                         //that case we get "0pt".
 653                         Length(widgetsToLength(Width, widthUnit)):
 654                         Length("0pt");
 655                 igp.height = HeightCB->isChecked() ?
 656                         Length(widgetsToLength(Height, heightUnit)) :
 657                         Length("0pt");
 658                 igp.keepAspectRatio = aspectratio->isEnabled() &&
 659                         aspectratio->isChecked() &&
 660                         igp.width.value() > 0 && igp.height.value() > 0;
 661         }
 662
 663         igp.noUnzip = unzipCB->isChecked();
 664         igp.lyxscale = displayscale->text().toInt();
 665         igp.rotateAngle = fromqstr(angle->text());
 666
 667         double rotAngle = convert<double>(igp.rotateAngle);
 668         if (abs(rotAngle) > 360.0) {
 669                 rotAngle -= 360.0 * floor(rotAngle / 360.0);
 670                 igp.rotateAngle = convert<string>(rotAngle);
 671         }
 672
 673         // save the latex name for the origin. If it is the default
 674         // then origin_ltx returns ""
 675         igp.rotateOrigin = origin_ltx[origin->currentIndex()];
 676         igp.scaleBeforeRotation = rotateOrderCB->isChecked();
 677
 678         // more latex options
 679         igp.special = fromqstr(latexoptions->text());
 680 }
 681
 682
 683 void GuiGraphics::getBB()
 684 {
 685         string const fn = fromqstr(filename->text());
 686         if (fn.empty())
 687                 return;
 688         string const bb = readBB(fn);
 689         bbChanged = false;
 690         if (bb.empty())
 691                 return;
 692         lbX->setText(toqstr(token(bb, ' ', 0)));
 693         lbY->setText(toqstr(token(bb, ' ', 1)));
 694         rtX->setText(toqstr(token(bb, ' ', 2)));
 695         rtY->setText(toqstr(token(bb, ' ', 3)));
 696         // the default units for the bb values when reading
 697         // it from the file
 698         lbXunit->setCurrentIndex(0);
 699         lbYunit->setCurrentIndex(0);
 700         rtXunit->setCurrentIndex(0);
 701         rtYunit->setCurrentIndex(0);
 702 }
 703
 704
 705 bool GuiGraphics::isValid()
 706 {
 707         return !filename->text().isEmpty();
 708 }
 709
 710
 711 bool GuiGraphics::initialiseParams(string const & data)
 712 {
 713         InsetGraphicsMailer::string2params(data, buffer(), params_);
 714         return true;
 715 }
 716
 717
 718 void GuiGraphics::clearParams()
 719 {
 720         params_ = InsetGraphicsParams();
 721 }
 722
 723
 724 void GuiGraphics::dispatchParams()
 725 {
 726         InsetGraphicsParams tmp_params(params_);
 727         string const lfun =
 728                 InsetGraphicsMailer::params2string(tmp_params, buffer());
 729         dispatch(FuncRequest(getLfun(), lfun));
 730 }
 731
 732
 733 docstring const GuiGraphics::browse(docstring const & in_name) const
 734 {
 735         docstring const title = _("Select graphics file");
 736
 737         // Does user clipart directory exist?
 738         string clipdir = addName(package().user_support().absFilename(), "clipart");
 739         FileName clip(clipdir);
 740
 741         // bail out to system clipart directory
 742         if (!(clip.exists() && clip.isDirectory()))
 743                 clipdir = addName(package().system_support().absFilename(), "clipart");
 744
 745         return browseRelFile(in_name, from_utf8(bufferFilepath()),
 746                 title, FileFilterList(), false,
 747                 _("Clipart|#C#c"), from_utf8(clipdir),
 748                 _("Documents|#o#O"), from_utf8(lyxrc.document_path));
 749 }
 750
 751
 752 string const GuiGraphics::readBB(string const & file)
 753 {
 754         FileName const abs_file = makeAbsPath(file, bufferFilepath());
 755
 756         // try to get it from the file, if possible. Zipped files are
 757         // unzipped in the readBB_from_PSFile-Function
 758         string const bb = readBB_from_PSFile(abs_file);
 759         if (!bb.empty())
 760                 return bb;
 761
 762         // we don't, so ask the Graphics Cache if it has loaded the file
 763         int width = 0;
 764         int height = 0;
 765
 766         graphics::Cache & gc = graphics::Cache::get();
 767         if (gc.inCache(abs_file)) {
 768                 graphics::Image const * image = gc.item(abs_file)->image();
 769
 770                 if (image) {
 771                         width  = image->width();
 772                         height = image->height();
 773                 }
 774         }
 775
 776         return ("0 0 " + convert<string>(width) + ' ' + convert<string>(height));
 777 }
 778
 779
 780 bool GuiGraphics::isFilenameValid(string const & fname) const
 781 {
 782         // It may be that the filename is relative.
 783         return makeAbsPath(fname, bufferFilepath()).isReadableFile();
 784 }
 785
 786
 787 void GuiGraphics::editGraphics()
 788 {
 789         applyView();
 790         string const lfun =
 791                 InsetGraphicsMailer::params2string(params_, buffer());
 792         dispatch(FuncRequest(LFUN_GRAPHICS_EDIT, lfun));
 793 }
 794
 795
 796 namespace {
 797
 798 char const * const bb_units[] = { "bp", "cm", "mm", "in" };
 799 size_t const bb_size = sizeof(bb_units) / sizeof(char *);
 800
 801 // These are the strings that are stored in the LyX file and which
 802 // correspond to the LaTeX identifiers shown in the comments at the
 803 // end of each line.
 804 char const * const rorigin_lyx_strs[] = {
 805         // the LaTeX default is leftBaseline
 806         "",
 807         "leftTop",  "leftBottom", "leftBaseline", // lt lb lB
 808         "center", "centerTop", "centerBottom", "centerBaseline", // c ct cb cB
 809         "rightTop", "rightBottom", "rightBaseline" }; // rt rb rB
 810
 811 // These are the strings, corresponding to the above, that the GUI should
 812 // use. Note that they can/should be translated.
 813 char const * const rorigin_gui_strs[] = {
 814         N_("Default"),
 815         N_("Top left"), N_("Bottom left"), N_("Baseline left"),
 816         N_("Center"), N_("Top center"), N_("Bottom center"), N_("Baseline center"),
 817         N_("Top right"), N_("Bottom right"), N_("Baseline right") };
 818
 819 size_t const rorigin_size = sizeof(rorigin_lyx_strs) / sizeof(char *);
 820
 821 } // namespace anon
 822
 823
 824 vector<string> const getBBUnits()
 825 {
 826         return vector<string>(bb_units, bb_units + bb_size);
 827 }
 828
 829
 830 vector<RotationOriginPair> getRotationOriginData()
 831 {
 832         static vector<RotationOriginPair> data;
 833         if (!data.empty())
 834                 return data;
 835
 836         data.resize(rorigin_size);
 837         for (size_type i = 0; i < rorigin_size; ++i) {
 838                 data[i] = make_pair(_(rorigin_gui_strs[i]),
 839                                     rorigin_lyx_strs[i]);
 840         }
 841
 842         return data;
 843 }
 844
 845
 846 Dialog * createGuiGraphics(GuiView & lv) { return new GuiGraphics(lv); }
 847
 848
 849 } // namespace frontend
 850 } // namespace lyx
 851
 852 #include "GuiGraphics_moc.cpp"