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 "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 "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/lyxlib.h"
  40 #include "support/os.h"
  41 #include "support/Package.h"
  42 #include "support/types.h"
  43
  44 #include <boost/bind.hpp>
  45
  46 #include <QCheckBox>
  47 #include <QCloseEvent>
  48 #include <QLabel>
  49 #include <QLineEdit>
  50 #include <QPushButton>
  51 #include <QValidator>
  52
  53 #include <algorithm>
  54 #include <cmath>
  55 #include <utility>
  56
  57 #ifndef CXX_GLOBAL_CSTD
  58 using std::floor;
  59 #endif
  60 using std::find;
  61 using std::vector;
  62 using std::string;
  63 using std::transform;
  64 using std::make_pair;
  65 using std::pair;
  66 using std::vector;
  67
  68 namespace lyx {
  69 namespace frontend {
  70
  71 using support::addName;
  72 using support::FileFilterList;
  73 using support::FileName;
  74 using support::float_equal;
  75 using support::makeAbsPath;
  76 using support::os::internal_path;
  77 using support::package;
  78 using support::readBB_from_PSFile;
  79 using support::token;
  80
  81
  82 //FIXME setAutoTextCB should really take an argument, as indicated, that
  83 //determines what text is to be written for "auto". But making
  84 //that work involves more extensive revisions than we now want
  85 //to make, since "auto" also appears in updateContents() (see
  86 //GuiGraphics.cpp).
  87 //The right way to do this, I think, would be to define a class
  88 //checkedLengthSet (and a partnering labeledLengthSete) that encapsulated
  89 //the checkbox, line edit, and length combo together, and then made e.g.
  90 //lengthToWidgets, widgetsToLength, etc, all public methods of that class.
  91 //Perhaps even the validator could be exposed through it.
  92 /**
  93  * sets a checkbox-line edit-length combo group, using "text" if the
  94  * checkbox is unchecked and clearing the line edit if it previously
  95  * said "text".
  96 */
  97 static void setAutoTextCB(QCheckBox * checkBox, QLineEdit * lineEdit,
  98         LengthCombo * lengthCombo/*, string text = "auto"*/)
  99 {
 100         if (!checkBox->isChecked())
 101                 lengthToWidgets(lineEdit, lengthCombo,
 102                                 "auto", lengthCombo->currentLengthItem());
 103         else if (lineEdit->text() == "auto")
 104                 lengthToWidgets(lineEdit, lengthCombo, string(),
 105                                 lengthCombo->currentLengthItem());
 106 }
 107
 108 template<class Pair>
 109 vector<typename Pair::first_type> const
 110 getFirst(vector<Pair> const & pr)
 111 {
 112         vector<typename Pair::first_type> tmp(pr.size());
 113         transform(pr.begin(), pr.end(), tmp.begin(),
 114                   boost::bind(&Pair::first, _1));
 115         return tmp;
 116 }
 117
 118 ///
 119 template<class Pair>
 120 vector<typename Pair::second_type> const
 121 getSecond(vector<Pair> const & pr)
 122 {
 123          vector<typename Pair::second_type> tmp(pr.size());
 124          transform(pr.begin(), pr.end(), tmp.begin(),
 125                    boost::bind(&Pair::second, _1));
 126          return tmp;
 127 }
 128
 129 /// The (tranlated) GUI std::string and it's LaTeX equivalent.
 130 typedef std::pair<docstring, std::string> RotationOriginPair;
 131 ///
 132 std::vector<RotationOriginPair> getRotationOriginData();
 133
 134
 135 GuiGraphics::GuiGraphics(GuiView & lv)
 136         : GuiDialog(lv, "graphics")
 137 {
 138         setupUi(this);
 139         setViewTitle(_("Graphics"));
 140
 141         //main buttons
 142         connect(okPB, SIGNAL(clicked()), this, SLOT(slotOK()));
 143         connect(applyPB, SIGNAL(clicked()), this, SLOT(slotApply()));
 144         connect(closePB, SIGNAL(clicked()), this, SLOT(slotClose()));
 145         connect(restorePB, SIGNAL(clicked()), this, SLOT(slotRestore()));
 146
 147         //graphics pane
 148         connect(filename, SIGNAL(textChanged(const QString &)),
 149                 this, SLOT(change_adaptor()));
 150         connect(WidthCB, SIGNAL( clicked()),
 151                 this, SLOT(change_adaptor()));
 152         connect(HeightCB, SIGNAL( clicked()),
 153                 this, SLOT(change_adaptor()));
 154         connect(Width, SIGNAL(textChanged(const QString &)),
 155                 this, SLOT(change_adaptor()));
 156         connect(Height, SIGNAL(textChanged(const QString &)),
 157                 this, SLOT(change_adaptor()));
 158         connect(heightUnit, SIGNAL(selectionChanged(lyx::Length::UNIT)),
 159                 this, SLOT(change_adaptor()));
 160         connect(widthUnit, SIGNAL(selectionChanged(lyx::Length::UNIT)),
 161                 this, SLOT(change_adaptor()));
 162         connect(aspectratio, SIGNAL(stateChanged(int)),
 163                 this, SLOT(change_adaptor()));
 164         connect(angle, SIGNAL(textChanged(const QString &)),
 165                 this, SLOT(change_adaptor()));
 166         connect(origin, SIGNAL(activated(int)),
 167                 this, SLOT(change_adaptor()));
 168         connect(scaleCB, SIGNAL(clicked()),
 169                 this, SLOT(change_adaptor()));
 170         connect(Scale, SIGNAL(textChanged(const QString &)),
 171                 this, SLOT(change_adaptor()));
 172         connect(rotateOrderCB, SIGNAL(clicked()),
 173                 this, SLOT(change_adaptor()));
 174
 175         filename->setValidator(new PathValidator(true, filename));
 176         setFocusProxy(filename);
 177
 178         QDoubleValidator * scaleValidator = new DoubleAutoValidator(Scale);
 179         scaleValidator->setBottom(0);
 180         scaleValidator->setDecimals(256); //I guess that will do
 181         Scale->setValidator(scaleValidator);
 182         Height->setValidator(unsignedLengthAutoValidator(Height));
 183         Width->setValidator(unsignedLengthAutoValidator(Width));
 184         angle->setValidator(new QDoubleValidator(-360, 360, 2, angle));
 185
 186         //clipping pane
 187         connect(clip, SIGNAL(stateChanged(int)),
 188                 this, SLOT(change_adaptor()));
 189         connect(lbY, SIGNAL(textChanged(const QString&)),
 190                 this, SLOT(change_bb()));
 191         connect(lbYunit, SIGNAL(activated(int)),
 192                 this, SLOT(change_bb()));
 193         connect(rtY, SIGNAL(textChanged(const QString&)),
 194                 this, SLOT(change_bb()));
 195         connect(rtYunit, SIGNAL(activated(int)),
 196                 this, SLOT(change_bb()));
 197         connect(lbX, SIGNAL(textChanged(const QString&)),
 198                 this, SLOT(change_bb()));
 199         connect(lbXunit, SIGNAL(activated(int)),
 200                 this, SLOT(change_bb()));
 201         connect(rtX, SIGNAL(textChanged(const QString&)),
 202                 this, SLOT(change_bb()));
 203         connect(rtXunit, SIGNAL(activated(int)),
 204                 this, SLOT(change_bb()));
 205         connect(getPB, SIGNAL(clicked()),
 206                 this, SLOT(change_adaptor()));
 207
 208         lbX->setValidator(new QDoubleValidator(lbX));
 209         lbY->setValidator(new QDoubleValidator(lbY));
 210         rtX->setValidator(new QDoubleValidator(rtX));
 211         rtY->setValidator(new QDoubleValidator(rtY));
 212
 213         //extra options pane
 214         connect(latexoptions, SIGNAL(textChanged(const QString&)),
 215                 this, SLOT(change_adaptor()));
 216         connect(draftCB, SIGNAL(stateChanged(int)),
 217                 this, SLOT(change_adaptor()));
 218         connect(unzipCB, SIGNAL(stateChanged(int)),
 219                 this, SLOT(change_adaptor()));
 220         // FIXME: we should connect to clicked() when we move to Qt 4.2 because
 221         // the toggled(bool) signal is also trigged when we update the widgets
 222         // (rgh-4/07) this isn't as much or a problem as it was, because we're now
 223         // using blockSignals() to keep from triggering that signal when we call
 224         // setChecked(). Note, too, that clicked() would get called whenever it
 225         // is clicked, even right clicked (I think), not just whenever it is
 226         // toggled.
 227         connect(subfigure, SIGNAL(toggled(bool)),
 228                 this, SLOT(change_adaptor()));
 229         connect(subcaption, SIGNAL(textChanged(const QString&)),
 230                 this, SLOT(change_adaptor()));
 231         connect(displayGB, SIGNAL(toggled(bool)),
 232                 this, SLOT(change_adaptor()));
 233         connect(showCB, SIGNAL(currentIndexChanged(int)),
 234                 this, SLOT(change_adaptor()));
 235         connect(displayscale, SIGNAL(textChanged(const QString&)),
 236                 this, SLOT(change_adaptor()));
 237         displayscale->setValidator(new QIntValidator(displayscale));
 238
 239         bc().setPolicy(ButtonPolicy::NoRepeatedApplyReadOnlyPolicy);
 240         bc().setOK(okPB);
 241         bc().setApply(applyPB);
 242         bc().setRestore(restorePB);
 243         bc().setCancel(closePB);
 244
 245         bc().addReadOnly(latexoptions);
 246         bc().addReadOnly(subfigure);
 247         bc().addReadOnly(filenameL);
 248         bc().addReadOnly(filename);
 249         bc().addReadOnly(browsePB);
 250         bc().addReadOnly(unzipCB);
 251         bc().addReadOnly(bbFrame);
 252         bc().addReadOnly(draftCB);
 253         bc().addReadOnly(clip);
 254         bc().addReadOnly(unzipCB);
 255         bc().addReadOnly(displayGB);
 256         bc().addReadOnly(sizeGB);
 257         bc().addReadOnly(rotationGB);
 258         bc().addReadOnly(latexoptions);
 259         bc().addReadOnly(getPB);
 260         bc().addReadOnly(rotateOrderCB);
 261
 262         // initialize the length validator
 263         bc().addCheckedLineEdit(Scale, scaleCB);
 264         bc().addCheckedLineEdit(Width, WidthCB);
 265         bc().addCheckedLineEdit(Height, HeightCB);
 266         bc().addCheckedLineEdit(displayscale, scaleLA);
 267         bc().addCheckedLineEdit(angle, angleL);
 268         bc().addCheckedLineEdit(lbX, xL);
 269         bc().addCheckedLineEdit(lbY, yL);
 270         bc().addCheckedLineEdit(rtX, xL_2);
 271         bc().addCheckedLineEdit(rtY, yL_2);
 272         bc().addCheckedLineEdit(filename, filenameL);
 273 }
 274
 275
 276 void GuiGraphics::change_adaptor()
 277 {
 278         changed();
 279 }
 280
 281
 282 void GuiGraphics::change_bb()
 283 {
 284         bbChanged = true;
 285         LYXERR(Debug::GRAPHICS, "[bb_Changed set to true]");
 286         changed();
 287 }
 288
 289
 290 void GuiGraphics::closeEvent(QCloseEvent * e)
 291 {
 292         slotClose();
 293         GuiDialog::closeEvent(e);
 294 }
 295
 296
 297 void GuiGraphics::on_browsePB_clicked()
 298 {
 299         docstring const str = browse(qstring_to_ucs4(filename->text()));
 300         if (!str.empty()) {
 301                 filename->setText(toqstr(str));
 302                 embedCB->setCheckState(Qt::Unchecked);
 303                 changed();
 304         }
 305 }
 306
 307
 308 void GuiGraphics::on_getPB_clicked()
 309 {
 310         getBB();
 311 }
 312
 313
 314 void GuiGraphics::on_editPB_clicked()
 315 {
 316         editGraphics();
 317 }
 318
 319
 320 void GuiGraphics::on_filename_textChanged(const QString & filename)
 321 {
 322         editPB->setDisabled(filename.isEmpty());
 323 }
 324
 325
 326 void GuiGraphics::setAutoText()
 327 {
 328         if (scaleCB->isChecked())
 329                 return;
 330         if (!Scale->isEnabled() && Scale->text() != "100")
 331                 Scale->setText(QString("auto"));
 332
 333         setAutoTextCB(WidthCB, Width, widthUnit);
 334         setAutoTextCB(HeightCB, Height, heightUnit);
 335 }
 336
 337
 338 void GuiGraphics::on_scaleCB_toggled(bool setScale)
 339 {
 340         Scale->setEnabled(setScale);
 341         if (setScale) {
 342                 Scale->setText("100");
 343                 Scale->setFocus(Qt::OtherFocusReason);
 344         }
 345
 346         WidthCB->setDisabled(setScale);
 347         WidthCB->blockSignals(true);
 348         WidthCB->setChecked(false);
 349         WidthCB->blockSignals(false);
 350         Width->setEnabled(false);
 351         widthUnit->setEnabled(false);
 352
 353         HeightCB->setDisabled(setScale);
 354         HeightCB->blockSignals(true);
 355         HeightCB->setChecked(false);
 356         HeightCB->blockSignals(false);
 357         Height->setEnabled(false);
 358         heightUnit->setEnabled(false);
 359
 360         aspectratio->setDisabled(true);
 361         aspectratio->setChecked(true);
 362
 363         rotateOrderCB->setEnabled((WidthCB->isChecked() ||
 364                                  HeightCB->isChecked() ||
 365                                  scaleCB->isChecked()) &&
 366                                  (angle->text() != "0"));
 367
 368         setAutoText();
 369 }
 370
 371
 372 void GuiGraphics::on_WidthCB_toggled(bool setWidth)
 373 {
 374         Width->setEnabled(setWidth);
 375         widthUnit->setEnabled(setWidth);
 376         if (setWidth)
 377                 Width->setFocus(Qt::OtherFocusReason);
 378
 379         bool const setHeight = HeightCB->isChecked();
 380         aspectratio->setEnabled(setWidth && setHeight);
 381         aspectratio->blockSignals(true);
 382         aspectratio->setChecked(!(setWidth && setHeight));
 383         aspectratio->blockSignals(false);
 384
 385         scaleCB->setEnabled(!setWidth && !setHeight);
 386         //already will be unchecked, so don't need to do that
 387         Scale->setEnabled((!setWidth && !setHeight) //=scaleCB->isEnabled()
 388                         && scaleCB->isChecked()); //should be false, but let's check
 389         rotateOrderCB->setEnabled((setWidth || setHeight ||
 390                                  scaleCB->isChecked()) &&
 391                                  (angle->text() != "0"));
 392
 393         setAutoText();
 394 }
 395
 396
 397 void GuiGraphics::on_HeightCB_toggled(bool setHeight)
 398 {
 399         Height->setEnabled(setHeight);
 400         heightUnit->setEnabled(setHeight);
 401         if (setHeight)
 402                 Height->setFocus(Qt::OtherFocusReason);
 403
 404         bool const setWidth = WidthCB->isChecked();
 405         aspectratio->setEnabled(setWidth && setHeight);
 406         aspectratio->blockSignals(true);
 407         aspectratio->setChecked(!(setWidth && setHeight));
 408         aspectratio->blockSignals(false);
 409
 410         scaleCB->setEnabled(!setWidth && !setHeight);
 411         //already unchecked
 412         Scale->setEnabled((!setWidth && !setHeight) //=scaleCB->isEnabled()
 413                 && scaleCB->isChecked()); //should be false
 414         rotateOrderCB->setEnabled((setWidth || setHeight ||
 415                                  scaleCB->isChecked()) &&
 416                                  (angle->text() != "0"));
 417
 418         setAutoText();
 419 }
 420
 421
 422 void GuiGraphics::on_angle_textChanged(const QString & filename)
 423 {
 424         rotateOrderCB->setEnabled((WidthCB->isChecked() ||
 425                                  HeightCB->isChecked() ||
 426                                  scaleCB->isChecked()) &&
 427                                  (filename != "0"));
 428 }
 429
 430 // returns the number of the string s in the vector v
 431 static int getItemNo(const vector<string> & v, string const & s)
 432 {
 433         vector<string>::const_iterator cit =
 434                     find(v.begin(), v.end(), s);
 435         return (cit != v.end()) ? int(cit - v.begin()) : 0;
 436 }
 437
 438
 439 void GuiGraphics::updateContents()
 440 {
 441         // clear and fill in the comboboxes
 442         vector<string> const bb_units = frontend::getBBUnits();
 443         lbXunit->clear();
 444         lbYunit->clear();
 445         rtXunit->clear();
 446         rtYunit->clear();
 447         for (vector<string>::const_iterator it = bb_units.begin();
 448             it != bb_units.end(); ++it) {
 449                 lbXunit->addItem(toqstr(*it));
 450                 lbYunit->addItem(toqstr(*it));
 451                 rtXunit->addItem(toqstr(*it));
 452                 rtYunit->addItem(toqstr(*it));
 453         }
 454
 455         InsetGraphicsParams & igp = params_;
 456
 457         // set the right default unit
 458         Length::UNIT unitDefault = Length::CM;
 459         switch (lyxrc.default_papersize) {
 460                 case PAPER_USLETTER:
 461                 case PAPER_USLEGAL:
 462                 case PAPER_USEXECUTIVE:
 463                         unitDefault = Length::IN;
 464                         break;
 465                 default:
 466                         break;
 467         }
 468
 469         string const name =
 470                 igp.filename.outputFilename(bufferFilepath());
 471         filename->setText(toqstr(name));
 472     embedCB->setCheckState(igp.filename.embedded() ? Qt::Checked : Qt::Unchecked);
 473
 474         // set the bounding box values
 475         if (igp.bb.empty()) {
 476                 string const bb = readBB(igp.filename.absFilename());
 477                 // the values from the file always have the bigpoint-unit bp
 478                 lbX->setText(toqstr(token(bb, ' ', 0)));
 479                 lbY->setText(toqstr(token(bb, ' ', 1)));
 480                 rtX->setText(toqstr(token(bb, ' ', 2)));
 481                 rtY->setText(toqstr(token(bb, ' ', 3)));
 482                 lbXunit->setCurrentIndex(0);
 483                 lbYunit->setCurrentIndex(0);
 484                 rtXunit->setCurrentIndex(0);
 485                 rtYunit->setCurrentIndex(0);
 486                 bbChanged = false;
 487         } else {
 488                 // get the values from the inset
 489                 Length anyLength;
 490                 string const xl = token(igp.bb, ' ', 0);
 491                 string const yl = token(igp.bb, ' ', 1);
 492                 string const xr = token(igp.bb, ' ', 2);
 493                 string const yr = token(igp.bb, ' ', 3);
 494                 if (isValidLength(xl, &anyLength)) {
 495                         lbX->setText(toqstr(convert<string>(anyLength.value())));
 496                         string const unit(unit_name[anyLength.unit()]);
 497                         lbXunit->setCurrentIndex(getItemNo(bb_units, unit));
 498                 } else {
 499                         lbX->setText(toqstr(xl));
 500                 }
 501                 if (isValidLength(yl, &anyLength)) {
 502                         lbY->setText(toqstr(convert<string>(anyLength.value())));
 503                         string const unit(unit_name[anyLength.unit()]);
 504                         lbYunit->setCurrentIndex(getItemNo(bb_units, unit));
 505                 } else {
 506                         lbY->setText(toqstr(xl));
 507                 }
 508                 if (isValidLength(xr, &anyLength)) {
 509                         rtX->setText(toqstr(convert<string>(anyLength.value())));
 510                         string const unit(unit_name[anyLength.unit()]);
 511                         rtXunit->setCurrentIndex(getItemNo(bb_units, unit));
 512                 } else {
 513                         rtX->setText(toqstr(xl));
 514                 }
 515                 if (isValidLength(yr, &anyLength)) {
 516                         rtY->setText(toqstr(convert<string>(anyLength.value())));
 517                         string const unit(unit_name[anyLength.unit()]);
 518                         rtYunit->setCurrentIndex(getItemNo(bb_units, unit));
 519                 } else {
 520                         rtY->setText(toqstr(xl));
 521                 }
 522                 bbChanged = true;
 523         }
 524
 525         // Update the draft and clip mode
 526         draftCB->setChecked(igp.draft);
 527         clip->setChecked(igp.clip);
 528         unzipCB->setChecked(igp.noUnzip);
 529
 530         // Update the subcaption check button and input field
 531         subfigure->setChecked(igp.subcaption);
 532         subcaption->setText(toqstr(igp.subcaptionText));
 533
 534         int item = 0;
 535         switch (igp.display) {
 536                 case graphics::DefaultDisplay: item = 0; break;
 537                 case graphics::MonochromeDisplay: item = 1; break;
 538                 case graphics::GrayscaleDisplay: item = 2; break;
 539                 case graphics::ColorDisplay: item = 3; break;
 540                 case graphics::NoDisplay: item = 0; break;
 541         }
 542         showCB->setCurrentIndex(item);
 543         displayscale->setText(toqstr(convert<string>(igp.lyxscale)));
 544         displayGB->setChecked(igp.display != graphics::NoDisplay);
 545
 546         // the output section (width/height)
 547
 548         Scale->setText(toqstr(igp.scale));
 549         //igp.scale defaults to 100, so we treat it as empty
 550         bool const scaleChecked = !igp.scale.empty() && igp.scale != "100";
 551         scaleCB->blockSignals(true);
 552         scaleCB->setChecked(scaleChecked);
 553         scaleCB->blockSignals(false);
 554         Scale->setEnabled(scaleChecked);
 555
 556         lengthAutoToWidgets(Width, widthUnit, igp.width,
 557                 unitDefault);
 558         bool const widthChecked = !Width->text().isEmpty() &&
 559                 Width->text() != "auto";
 560         WidthCB->blockSignals(true);
 561         WidthCB->setChecked(widthChecked);
 562         WidthCB->blockSignals(false);
 563         Width->setEnabled(widthChecked);
 564         widthUnit->setEnabled(widthChecked);
 565
 566         lengthAutoToWidgets(Height, heightUnit, igp.height,
 567                 unitDefault);
 568         bool const heightChecked = !Height->text().isEmpty()
 569                 && Height->text() != "auto";
 570         HeightCB->blockSignals(true);
 571         HeightCB->setChecked(heightChecked);
 572         HeightCB->blockSignals(false);
 573         Height->setEnabled(heightChecked);
 574         heightUnit->setEnabled(heightChecked);
 575
 576         scaleCB->setEnabled(!widthChecked && !heightChecked);
 577         WidthCB->setEnabled(!scaleChecked);
 578         HeightCB->setEnabled(!scaleChecked);
 579         aspectratio->setEnabled(widthChecked && heightChecked);
 580
 581         setAutoText();
 582
 583         angle->setText(toqstr(igp.rotateAngle));
 584         rotateOrderCB->setChecked(igp.scaleBeforeRotation);
 585
 586         rotateOrderCB->setEnabled( (widthChecked || heightChecked || scaleChecked)
 587                 && igp.rotateAngle != "0");
 588
 589         origin->clear();
 590
 591         vector<RotationOriginPair> origindata = getRotationOriginData();
 592         vector<docstring> const origin_lang = getFirst(origindata);
 593         origin_ltx = getSecond(origindata);
 594
 595         for (vector<docstring>::const_iterator it = origin_lang.begin();
 596             it != origin_lang.end(); ++it)
 597                 origin->addItem(toqstr(*it));
 598
 599         if (!igp.rotateOrigin.empty())
 600                 origin->setCurrentIndex(
 601                         getItemNo(origin_ltx, igp.rotateOrigin));
 602         else
 603                 origin->setCurrentIndex(0);
 604
 605         // disable edit button when no filename is present
 606         editPB->setDisabled(filename->text().isEmpty());
 607
 608         //// latex section
 609         latexoptions->setText(toqstr(igp.special));
 610 }
 611
 612
 613 void GuiGraphics::applyView()
 614 {
 615         InsetGraphicsParams & igp = params_;
 616
 617         igp.filename.set(internal_path(fromqstr(filename->text())),
 618                          bufferFilepath());
 619         igp.filename.setEmbed(embedCB->checkState() == Qt::Checked);
 620
 621         // the bb section
 622         igp.bb.erase();
 623         if (bbChanged) {
 624                 string bb;
 625                 string lbXs = fromqstr(lbX->text());
 626                 string lbYs = fromqstr(lbY->text());
 627                 string rtXs = fromqstr(rtX->text());
 628                 string rtYs = fromqstr(rtY->text());
 629                 int bb_sum =
 630                         convert<int>(lbXs) + convert<int>(lbYs) +
 631                         convert<int>(rtXs) + convert<int>(rtXs);
 632                 if (bb_sum) {
 633                         if (lbXs.empty())
 634                                 bb = "0 ";
 635                         else
 636                                 bb = lbXs + fromqstr(lbXunit->currentText()) + ' ';
 637                         if (lbYs.empty())
 638                                 bb += "0 ";
 639                         else
 640                                 bb += (lbYs + fromqstr(lbYunit->currentText()) + ' ');
 641                         if (rtXs.empty())
 642                                 bb += "0 ";
 643                         else
 644                                 bb += (rtXs + fromqstr(rtXunit->currentText()) + ' ');
 645                         if (rtYs.empty())
 646                                 bb += '0';
 647                         else
 648                                 bb += (rtYs + fromqstr(rtYunit->currentText()));
 649                         igp.bb = bb;
 650                 }
 651         }
 652
 653         igp.draft = draftCB->isChecked();
 654         igp.clip = clip->isChecked();
 655         igp.subcaption = subfigure->isChecked();
 656         igp.subcaptionText = fromqstr(subcaption->text());
 657
 658         switch (showCB->currentIndex()) {
 659                 case 0: igp.display = graphics::DefaultDisplay; break;
 660                 case 1: igp.display = graphics::MonochromeDisplay; break;
 661                 case 2: igp.display = graphics::GrayscaleDisplay; break;
 662                 case 3: igp.display = graphics::ColorDisplay; break;
 663                 default:;
 664         }
 665
 666         if (!displayGB->isChecked())
 667                 igp.display = graphics::NoDisplay;
 668
 669         //the graphics section
 670         if (scaleCB->isChecked() && !Scale->text().isEmpty()) {
 671                 igp.scale = fromqstr(Scale->text());
 672                 igp.width = Length("0pt");
 673                 igp.height = Length("0pt");
 674                 igp.keepAspectRatio = false;
 675         } else {
 676                 igp.scale = string();
 677                 igp.width = WidthCB->isChecked() ?
 678                         //Note that this works even if Width is "auto", since in
 679                         //that case we get "0pt".
 680                         Length(widgetsToLength(Width, widthUnit)):
 681                         Length("0pt");
 682                 igp.height = HeightCB->isChecked() ?
 683                         Length(widgetsToLength(Height, heightUnit)) :
 684                         Length("0pt");
 685                 igp.keepAspectRatio = aspectratio->isEnabled() &&
 686                         aspectratio->isChecked() &&
 687                         igp.width.value() > 0 && igp.height.value() > 0;
 688         }
 689
 690         igp.noUnzip = unzipCB->isChecked();
 691         igp.lyxscale = displayscale->text().toInt();
 692         igp.rotateAngle = fromqstr(angle->text());
 693
 694         double rotAngle = convert<double>(igp.rotateAngle);
 695         if (std::abs(rotAngle) > 360.0) {
 696                 rotAngle -= 360.0 * floor(rotAngle / 360.0);
 697                 igp.rotateAngle = convert<string>(rotAngle);
 698         }
 699
 700         // save the latex name for the origin. If it is the default
 701         // then origin_ltx returns ""
 702         igp.rotateOrigin = origin_ltx[origin->currentIndex()];
 703         igp.scaleBeforeRotation = rotateOrderCB->isChecked();
 704
 705         // more latex options
 706         igp.special = fromqstr(latexoptions->text());
 707 }
 708
 709
 710 void GuiGraphics::getBB()
 711 {
 712         string const fn = fromqstr(filename->text());
 713         if (fn.empty())
 714                 return;
 715         string const bb = readBB(fn);
 716         bbChanged = false;
 717         if (bb.empty())
 718                 return;
 719         lbX->setText(toqstr(token(bb, ' ', 0)));
 720         lbY->setText(toqstr(token(bb, ' ', 1)));
 721         rtX->setText(toqstr(token(bb, ' ', 2)));
 722         rtY->setText(toqstr(token(bb, ' ', 3)));
 723         // the default units for the bb values when reading
 724         // it from the file
 725         lbXunit->setCurrentIndex(0);
 726         lbYunit->setCurrentIndex(0);
 727         rtXunit->setCurrentIndex(0);
 728         rtYunit->setCurrentIndex(0);
 729 }
 730
 731
 732 bool GuiGraphics::isValid()
 733 {
 734         return !filename->text().isEmpty();
 735 }
 736
 737
 738 bool GuiGraphics::initialiseParams(string const & data)
 739 {
 740         InsetGraphicsMailer::string2params(data, buffer(), params_);
 741         return true;
 742 }
 743
 744
 745 void GuiGraphics::clearParams()
 746 {
 747         params_ = InsetGraphicsParams();
 748 }
 749
 750
 751 void GuiGraphics::dispatchParams()
 752 {
 753         InsetGraphicsParams tmp_params(params_);
 754         string const lfun =
 755                 InsetGraphicsMailer::params2string(tmp_params, buffer());
 756         dispatch(FuncRequest(getLfun(), lfun));
 757 }
 758
 759
 760 docstring const GuiGraphics::browse(docstring const & in_name) const
 761 {
 762         docstring const title = _("Select graphics file");
 763
 764         // Does user clipart directory exist?
 765         string clipdir = addName(package().user_support().absFilename(), "clipart");
 766         FileName clip(clipdir);
 767
 768         // bail out to system clipart directory
 769         if (!(clip.exists() && clip.isDirectory()))
 770                 clipdir = addName(package().system_support().absFilename(), "clipart");
 771
 772         return browseRelFile(in_name, from_utf8(bufferFilepath()),
 773                 title, FileFilterList(), false,
 774                 _("Clipart|#C#c"), from_utf8(clipdir),
 775                 _("Documents|#o#O"), from_utf8(lyxrc.document_path));
 776 }
 777
 778
 779 string const GuiGraphics::readBB(string const & file)
 780 {
 781         FileName const abs_file = makeAbsPath(file, bufferFilepath());
 782
 783         // try to get it from the file, if possible. Zipped files are
 784         // unzipped in the readBB_from_PSFile-Function
 785         string const bb = readBB_from_PSFile(abs_file);
 786         if (!bb.empty())
 787                 return bb;
 788
 789         // we don't, so ask the Graphics Cache if it has loaded the file
 790         int width = 0;
 791         int height = 0;
 792
 793         graphics::Cache & gc = graphics::Cache::get();
 794         if (gc.inCache(abs_file)) {
 795                 graphics::Image const * image = gc.item(abs_file)->image();
 796
 797                 if (image) {
 798                         width  = image->width();
 799                         height = image->height();
 800                 }
 801         }
 802
 803         return ("0 0 " + convert<string>(width) + ' ' + convert<string>(height));
 804 }
 805
 806
 807 bool GuiGraphics::isFilenameValid(string const & fname) const
 808 {
 809         // It may be that the filename is relative.
 810         return makeAbsPath(fname, bufferFilepath()).isReadableFile();
 811 }
 812
 813
 814 void GuiGraphics::editGraphics()
 815 {
 816         applyView();
 817         string const lfun =
 818                 InsetGraphicsMailer::params2string(params_, buffer());
 819         dispatch(FuncRequest(LFUN_GRAPHICS_EDIT, lfun));
 820 }
 821
 822
 823 namespace {
 824
 825 char const * const bb_units[] = { "bp", "cm", "mm", "in" };
 826 size_t const bb_size = sizeof(bb_units) / sizeof(char *);
 827
 828 // These are the strings that are stored in the LyX file and which
 829 // correspond to the LaTeX identifiers shown in the comments at the
 830 // end of each line.
 831 char const * const rorigin_lyx_strs[] = {
 832         // the LaTeX default is leftBaseline
 833         "",
 834         "leftTop",  "leftBottom", "leftBaseline", // lt lb lB
 835         "center", "centerTop", "centerBottom", "centerBaseline", // c ct cb cB
 836         "rightTop", "rightBottom", "rightBaseline" }; // rt rb rB
 837
 838 // These are the strings, corresponding to the above, that the GUI should
 839 // use. Note that they can/should be translated.
 840 char const * const rorigin_gui_strs[] = {
 841         N_("Default"),
 842         N_("Top left"), N_("Bottom left"), N_("Baseline left"),
 843         N_("Center"), N_("Top center"), N_("Bottom center"), N_("Baseline center"),
 844         N_("Top right"), N_("Bottom right"), N_("Baseline right") };
 845
 846 size_t const rorigin_size = sizeof(rorigin_lyx_strs) / sizeof(char *);
 847
 848 } // namespace anon
 849
 850
 851 vector<string> const getBBUnits()
 852 {
 853         return vector<string>(bb_units, bb_units + bb_size);
 854 }
 855
 856
 857 vector<RotationOriginPair> getRotationOriginData()
 858 {
 859         static vector<RotationOriginPair> data;
 860         if (!data.empty())
 861                 return data;
 862
 863         data.resize(rorigin_size);
 864         for (size_type i = 0; i < rorigin_size; ++i) {
 865                 data[i] = make_pair(_(rorigin_gui_strs[i]),
 866                                     rorigin_lyx_strs[i]);
 867         }
 868
 869         return data;
 870 }
 871
 872
 873 Dialog * createGuiGraphics(GuiView & lv) { return new GuiGraphics(lv); }
 874
 875
 876 } // namespace frontend
 877 } // namespace lyx
 878
 879 #include "GuiGraphics_moc.cpp"