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 #include "frontend_helpers.h"
  26
  27 #include "FuncRequest.h"
  28 #include "gettext.h"
  29
  30 #include "graphics/GraphicsCache.h"
  31 #include "graphics/GraphicsCacheItem.h"
  32 #include "graphics/GraphicsImage.h"
  33
  34 #include "insets/InsetGraphicsParams.h"
  35
  36 #include "support/convert.h"
  37 #include "support/FileFilterList.h"
  38 #include "support/filetools.h"
  39 #include "support/lstrings.h"
  40 #include "support/lyxlib.h"
  41 #include "support/os.h"
  42 #include "support/Package.h"
  43 #include "support/types.h"
  44
  45 #include <boost/bind.hpp>
  46
  47 #include <QCheckBox>
  48 #include <QCloseEvent>
  49 #include <QLabel>
  50 #include <QLineEdit>
  51 #include <QPushButton>
  52 #include <QValidator>
  53
  54 #include <algorithm>
  55 #include <cmath>
  56 #include <utility>
  57
  58 #ifndef CXX_GLOBAL_CSTD
  59 using std::floor;
  60 #endif
  61 using std::find;
  62 using std::vector;
  63 using std::string;
  64 using std::transform;
  65 using std::make_pair;
  66 using std::pair;
  67 using std::vector;
  68
  69 namespace lyx {
  70 namespace frontend {
  71
  72 using support::addName;
  73 using support::FileFilterList;
  74 using support::FileName;
  75 using support::float_equal;
  76 using support::makeAbsPath;
  77 using support::os::internal_path;
  78 using support::package;
  79 using support::readBB_from_PSFile;
  80 using support::token;
  81
  82
  83 //FIXME setAutoTextCB should really take an argument, as indicated, that
  84 //determines what text is to be written for "auto". But making
  85 //that work involves more extensive revisions than we now want
  86 //to make, since "auto" also appears in updateContents() (see
  87 //GuiGraphics.cpp).
  88 //The right way to do this, I think, would be to define a class
  89 //checkedLengthSet (and a partnering labeledLengthSete) that encapsulated
  90 //the checkbox, line edit, and length combo together, and then made e.g.
  91 //lengthToWidgets, widgetsToLength, etc, all public methods of that class.
  92 //Perhaps even the validator could be exposed through it.
  93 /**
  94  * sets a checkbox-line edit-length combo group, using "text" if the
  95  * checkbox is unchecked and clearing the line edit if it previously
  96  * said "text".
  97 */
  98 void setAutoTextCB(QCheckBox * checkBox, QLineEdit * lineEdit,
  99         LengthCombo * lengthCombo/*, string text = "auto"*/)
 100 {
 101         if (!checkBox->isChecked())
 102                 lengthToWidgets(lineEdit, lengthCombo,
 103                                 "auto", lengthCombo->currentLengthItem());
 104         else if (lineEdit->text() == "auto")
 105                 lengthToWidgets(lineEdit, lengthCombo, string(),
 106                                 lengthCombo->currentLengthItem());
 107 }
 108
 109
 110
 111 template<class Pair>
 112 vector<typename Pair::first_type> const
 113 getFirst(vector<Pair> const & pr)
 114 {
 115         vector<typename Pair::first_type> tmp(pr.size());
 116         transform(pr.begin(), pr.end(), tmp.begin(),
 117                   boost::bind(&Pair::first, _1));
 118         return tmp;
 119 }
 120
 121 ///
 122 template<class Pair>
 123 vector<typename Pair::second_type> const
 124 getSecond(vector<Pair> const & pr)
 125 {
 126          vector<typename Pair::second_type> tmp(pr.size());
 127          transform(pr.begin(), pr.end(), tmp.begin(),
 128                    boost::bind(&Pair::second, _1));
 129          return tmp;
 130 }
 131
 132 GuiGraphics::GuiGraphics(LyXView & lv)
 133         : GuiDialog(lv, "graphics")
 134 {
 135         setupUi(this);
 136         setViewTitle(_("Graphics"));
 137
 138         //main buttons
 139         connect(okPB, SIGNAL(clicked()), this, SLOT(slotOK()));
 140         connect(applyPB, SIGNAL(clicked()), this, SLOT(slotApply()));
 141         connect(closePB, SIGNAL(clicked()), this, SLOT(slotClose()));
 142         connect(restorePB, SIGNAL(clicked()), this, SLOT(slotRestore()));
 143
 144         //graphics pane
 145         connect(filename, SIGNAL(textChanged(const QString &)),
 146                 this, SLOT(change_adaptor()));
 147         connect(WidthCB, SIGNAL( clicked()),
 148                 this, SLOT(change_adaptor()));
 149         connect(HeightCB, SIGNAL( clicked()),
 150                 this, SLOT(change_adaptor()));
 151         connect(Width, SIGNAL(textChanged(const QString &)),
 152                 this, SLOT(change_adaptor()));
 153         connect(Height, SIGNAL(textChanged(const QString &)),
 154                 this, SLOT(change_adaptor()));
 155         connect(heightUnit, SIGNAL(selectionChanged(lyx::Length::UNIT)),
 156                 this, SLOT(change_adaptor()));
 157         connect(widthUnit, SIGNAL(selectionChanged(lyx::Length::UNIT)),
 158                 this, SLOT(change_adaptor()));
 159         connect(aspectratio, SIGNAL(stateChanged(int)),
 160                 this, SLOT(change_adaptor()));
 161         connect(angle, SIGNAL(textChanged(const QString &)),
 162                 this, SLOT(change_adaptor()));
 163         connect(origin, SIGNAL(activated(int)),
 164                 this, SLOT(change_adaptor()));
 165         connect(scaleCB, SIGNAL(clicked()),
 166                 this, SLOT(change_adaptor()));
 167         connect(Scale, SIGNAL(textChanged(const QString &)),
 168                 this, SLOT(change_adaptor()));
 169         connect(rotateOrderCB, SIGNAL(clicked()),
 170                 this, SLOT(change_adaptor()));
 171
 172         filename->setValidator(new PathValidator(true, filename));
 173         setFocusProxy(filename);
 174
 175         QDoubleValidator * scaleValidator = new DoubleAutoValidator(Scale);
 176         scaleValidator->setBottom(0);
 177         scaleValidator->setDecimals(256); //I guess that will do
 178         Scale->setValidator(scaleValidator);
 179         Height->setValidator(unsignedLengthAutoValidator(Height));
 180         Width->setValidator(unsignedLengthAutoValidator(Width));
 181         angle->setValidator(new QDoubleValidator(-360, 360, 2, angle));
 182
 183         //clipping pane
 184         connect(clip, SIGNAL(stateChanged(int)),
 185                 this, SLOT(change_adaptor()));
 186         connect(lbY, SIGNAL(textChanged(const QString&)),
 187                 this, SLOT(change_bb()));
 188         connect(lbYunit, SIGNAL(activated(int)),
 189                 this, SLOT(change_bb()));
 190         connect(rtY, SIGNAL(textChanged(const QString&)),
 191                 this, SLOT(change_bb()));
 192         connect(rtYunit, SIGNAL(activated(int)),
 193                 this, SLOT(change_bb()));
 194         connect(lbX, SIGNAL(textChanged(const QString&)),
 195                 this, SLOT(change_bb()));
 196         connect(lbXunit, SIGNAL(activated(int)),
 197                 this, SLOT(change_bb()));
 198         connect(rtX, SIGNAL(textChanged(const QString&)),
 199                 this, SLOT(change_bb()));
 200         connect(rtXunit, SIGNAL(activated(int)),
 201                 this, SLOT(change_bb()));
 202         connect(getPB, SIGNAL(clicked()),
 203                 this, SLOT(change_adaptor()));
 204
 205         lbX->setValidator(new QDoubleValidator(lbX));
 206         lbY->setValidator(new QDoubleValidator(lbY));
 207         rtX->setValidator(new QDoubleValidator(rtX));
 208         rtY->setValidator(new QDoubleValidator(rtY));
 209
 210         //extra options pane
 211         connect(latexoptions, SIGNAL(textChanged(const QString&)),
 212                 this, SLOT(change_adaptor()));
 213         connect(draftCB, SIGNAL(stateChanged(int)),
 214                 this, SLOT(change_adaptor()));
 215         connect(unzipCB, SIGNAL(stateChanged(int)),
 216                 this, SLOT(change_adaptor()));
 217         // FIXME: we should connect to clicked() when we move to Qt 4.2 because
 218         // the toggled(bool) signal is also trigged when we update the widgets
 219         // (rgh-4/07) this isn't as much or a problem as it was, because we're now
 220         // using blockSignals() to keep from triggering that signal when we call
 221         // setChecked(). Note, too, that clicked() would get called whenever it
 222         // is clicked, even right clicked (I think), not just whenever it is
 223         // toggled.
 224         connect(subfigure, SIGNAL(toggled(bool)),
 225                 this, SLOT(change_adaptor()));
 226         connect(subcaption, SIGNAL(textChanged(const QString&)),
 227                 this, SLOT(change_adaptor()));
 228         connect(displayGB, SIGNAL(toggled(bool)),
 229                 this, SLOT(change_adaptor()));
 230         connect(showCB, SIGNAL(currentIndexChanged(int)),
 231                 this, SLOT(change_adaptor()));
 232         connect(displayscale, SIGNAL(textChanged(const QString&)),
 233                 this, SLOT(change_adaptor()));
 234         displayscale->setValidator(new QIntValidator(displayscale));
 235
 236         bc().setPolicy(ButtonPolicy::NoRepeatedApplyReadOnlyPolicy);
 237         bc().setOK(okPB);
 238         bc().setApply(applyPB);
 239         bc().setRestore(restorePB);
 240         bc().setCancel(closePB);
 241
 242         bc().addReadOnly(latexoptions);
 243         bc().addReadOnly(subfigure);
 244         bc().addReadOnly(filenameL);
 245         bc().addReadOnly(filename);
 246         bc().addReadOnly(browsePB);
 247         bc().addReadOnly(unzipCB);
 248         bc().addReadOnly(bbFrame);
 249         bc().addReadOnly(draftCB);
 250         bc().addReadOnly(clip);
 251         bc().addReadOnly(unzipCB);
 252         bc().addReadOnly(displayGB);
 253         bc().addReadOnly(sizeGB);
 254         bc().addReadOnly(rotationGB);
 255         bc().addReadOnly(latexoptions);
 256         bc().addReadOnly(getPB);
 257         bc().addReadOnly(rotateOrderCB);
 258
 259         // initialize the length validator
 260         bc().addCheckedLineEdit(Scale, scaleCB);
 261         bc().addCheckedLineEdit(Width, WidthCB);
 262         bc().addCheckedLineEdit(Height, HeightCB);
 263         bc().addCheckedLineEdit(displayscale, scaleLA);
 264         bc().addCheckedLineEdit(angle, angleL);
 265         bc().addCheckedLineEdit(lbX, xL);
 266         bc().addCheckedLineEdit(lbY, yL);
 267         bc().addCheckedLineEdit(rtX, xL_2);
 268         bc().addCheckedLineEdit(rtY, yL_2);
 269         bc().addCheckedLineEdit(filename, filenameL);
 270 }
 271
 272
 273 void GuiGraphics::change_adaptor()
 274 {
 275         changed();
 276 }
 277
 278
 279 void GuiGraphics::change_bb()
 280 {
 281         bbChanged = true;
 282         LYXERR(Debug::GRAPHICS) << "[bb_Changed set to true]\n";
 283         changed();
 284 }
 285
 286
 287 void GuiGraphics::closeEvent(QCloseEvent * e)
 288 {
 289         slotClose();
 290         GuiDialog::closeEvent(e);
 291 }
 292
 293
 294 void GuiGraphics::on_browsePB_clicked()
 295 {
 296         docstring const str = browse(qstring_to_ucs4(filename->text()));
 297         if (!str.empty()) {
 298                 filename->setText(toqstr(str));
 299                 embedCB->setCheckState(Qt::Unchecked);
 300                 changed();
 301         }
 302 }
 303
 304
 305 void GuiGraphics::on_getPB_clicked()
 306 {
 307         getBB();
 308 }
 309
 310
 311 void GuiGraphics::on_editPB_clicked()
 312 {
 313         editGraphics();
 314 }
 315
 316
 317 void GuiGraphics::on_filename_textChanged(const QString & filename)
 318 {
 319         editPB->setDisabled(filename.isEmpty());
 320 }
 321
 322
 323 void GuiGraphics::setAutoText()
 324 {
 325         if (scaleCB->isChecked())
 326                 return;
 327         if (!Scale->isEnabled() && Scale->text() != "100")
 328                 Scale->setText(QString("auto"));
 329
 330         setAutoTextCB(WidthCB, Width, widthUnit);
 331         setAutoTextCB(HeightCB, Height, heightUnit);
 332 }
 333
 334
 335 void GuiGraphics::on_scaleCB_toggled(bool setScale)
 336 {
 337         Scale->setEnabled(setScale);
 338         if (setScale) {
 339                 Scale->setText("100");
 340                 Scale->setFocus(Qt::OtherFocusReason);
 341         }
 342
 343         WidthCB->setDisabled(setScale);
 344         WidthCB->blockSignals(true);
 345         WidthCB->setChecked(false);
 346         WidthCB->blockSignals(false);
 347         Width->setEnabled(false);
 348         widthUnit->setEnabled(false);
 349
 350         HeightCB->setDisabled(setScale);
 351         HeightCB->blockSignals(true);
 352         HeightCB->setChecked(false);
 353         HeightCB->blockSignals(false);
 354         Height->setEnabled(false);
 355         heightUnit->setEnabled(false);
 356
 357         aspectratio->setDisabled(true);
 358         aspectratio->setChecked(true);
 359
 360         rotateOrderCB->setEnabled((WidthCB->isChecked() ||
 361                                  HeightCB->isChecked() ||
 362                                  scaleCB->isChecked()) &&
 363                                  (angle->text() != "0"));
 364
 365         setAutoText();
 366 }
 367
 368
 369 void GuiGraphics::on_WidthCB_toggled(bool setWidth)
 370 {
 371         Width->setEnabled(setWidth);
 372         widthUnit->setEnabled(setWidth);
 373         if (setWidth)
 374                 Width->setFocus(Qt::OtherFocusReason);
 375
 376         bool const setHeight = HeightCB->isChecked();
 377         aspectratio->setEnabled(setWidth && setHeight);
 378         aspectratio->blockSignals(true);
 379         aspectratio->setChecked(!(setWidth && setHeight));
 380         aspectratio->blockSignals(false);
 381
 382         scaleCB->setEnabled(!setWidth && !setHeight);
 383         //already will be unchecked, so don't need to do that
 384         Scale->setEnabled((!setWidth && !setHeight) //=scaleCB->isEnabled()
 385                         && scaleCB->isChecked()); //should be false, but let's check
 386         rotateOrderCB->setEnabled((setWidth || setHeight ||
 387                                  scaleCB->isChecked()) &&
 388                                  (angle->text() != "0"));
 389
 390         setAutoText();
 391 }
 392
 393
 394 void GuiGraphics::on_HeightCB_toggled(bool setHeight)
 395 {
 396         Height->setEnabled(setHeight);
 397         heightUnit->setEnabled(setHeight);
 398         if (setHeight)
 399                 Height->setFocus(Qt::OtherFocusReason);
 400
 401         bool const setWidth = WidthCB->isChecked();
 402         aspectratio->setEnabled(setWidth && setHeight);
 403         aspectratio->blockSignals(true);
 404         aspectratio->setChecked(!(setWidth && setHeight));
 405         aspectratio->blockSignals(false);
 406
 407         scaleCB->setEnabled(!setWidth && !setHeight);
 408         //already unchecked
 409         Scale->setEnabled((!setWidth && !setHeight) //=scaleCB->isEnabled()
 410                 && scaleCB->isChecked()); //should be false
 411         rotateOrderCB->setEnabled((setWidth || setHeight ||
 412                                  scaleCB->isChecked()) &&
 413                                  (angle->text() != "0"));
 414
 415         setAutoText();
 416 }
 417
 418
 419 void GuiGraphics::on_angle_textChanged(const QString & filename)
 420 {
 421         rotateOrderCB->setEnabled((WidthCB->isChecked() ||
 422                                  HeightCB->isChecked() ||
 423                                  scaleCB->isChecked()) &&
 424                                  (filename != "0"));
 425 }
 426
 427 // returns the number of the string s in the vector v
 428 static int getItemNo(const vector<string> & v, string const & s)
 429 {
 430         vector<string>::const_iterator cit =
 431                     find(v.begin(), v.end(), s);
 432         return (cit != v.end()) ? int(cit - v.begin()) : 0;
 433 }
 434
 435
 436 void GuiGraphics::updateContents()
 437 {
 438         // clear and fill in the comboboxes
 439         vector<string> const bb_units = frontend::getBBUnits();
 440         lbXunit->clear();
 441         lbYunit->clear();
 442         rtXunit->clear();
 443         rtYunit->clear();
 444         for (vector<string>::const_iterator it = bb_units.begin();
 445             it != bb_units.end(); ++it) {
 446                 lbXunit->addItem(toqstr(*it));
 447                 lbYunit->addItem(toqstr(*it));
 448                 rtXunit->addItem(toqstr(*it));
 449                 rtYunit->addItem(toqstr(*it));
 450         }
 451
 452         InsetGraphicsParams & igp = params_;
 453
 454         // set the right default unit
 455         Length::UNIT unitDefault = Length::CM;
 456         switch (lyxrc.default_papersize) {
 457                 case PAPER_USLETTER:
 458                 case PAPER_USLEGAL:
 459                 case PAPER_USEXECUTIVE:
 460                         unitDefault = Length::IN;
 461                         break;
 462                 default:
 463                         break;
 464         }
 465
 466         string const name =
 467                 igp.filename.outputFilename(bufferFilepath());
 468         filename->setText(toqstr(name));
 469     embedCB->setCheckState(igp.filename.embedded() ? Qt::Checked : Qt::Unchecked);
 470
 471         // set the bounding box values
 472         if (igp.bb.empty()) {
 473                 string const bb = readBB(igp.filename.absFilename());
 474                 // the values from the file always have the bigpoint-unit bp
 475                 lbX->setText(toqstr(token(bb, ' ', 0)));
 476                 lbY->setText(toqstr(token(bb, ' ', 1)));
 477                 rtX->setText(toqstr(token(bb, ' ', 2)));
 478                 rtY->setText(toqstr(token(bb, ' ', 3)));
 479                 lbXunit->setCurrentIndex(0);
 480                 lbYunit->setCurrentIndex(0);
 481                 rtXunit->setCurrentIndex(0);
 482                 rtYunit->setCurrentIndex(0);
 483                 bbChanged = false;
 484         } else {
 485                 // get the values from the inset
 486                 Length anyLength;
 487                 string const xl = token(igp.bb, ' ', 0);
 488                 string const yl = token(igp.bb, ' ', 1);
 489                 string const xr = token(igp.bb, ' ', 2);
 490                 string const yr = token(igp.bb, ' ', 3);
 491                 if (isValidLength(xl, &anyLength)) {
 492                         lbX->setText(toqstr(convert<string>(anyLength.value())));
 493                         string const unit(unit_name[anyLength.unit()]);
 494                         lbXunit->setCurrentIndex(getItemNo(bb_units, unit));
 495                 } else {
 496                         lbX->setText(toqstr(xl));
 497                 }
 498                 if (isValidLength(yl, &anyLength)) {
 499                         lbY->setText(toqstr(convert<string>(anyLength.value())));
 500                         string const unit(unit_name[anyLength.unit()]);
 501                         lbYunit->setCurrentIndex(getItemNo(bb_units, unit));
 502                 } else {
 503                         lbY->setText(toqstr(xl));
 504                 }
 505                 if (isValidLength(xr, &anyLength)) {
 506                         rtX->setText(toqstr(convert<string>(anyLength.value())));
 507                         string const unit(unit_name[anyLength.unit()]);
 508                         rtXunit->setCurrentIndex(getItemNo(bb_units, unit));
 509                 } else {
 510                         rtX->setText(toqstr(xl));
 511                 }
 512                 if (isValidLength(yr, &anyLength)) {
 513                         rtY->setText(toqstr(convert<string>(anyLength.value())));
 514                         string const unit(unit_name[anyLength.unit()]);
 515                         rtYunit->setCurrentIndex(getItemNo(bb_units, unit));
 516                 } else {
 517                         rtY->setText(toqstr(xl));
 518                 }
 519                 bbChanged = true;
 520         }
 521
 522         // Update the draft and clip mode
 523         draftCB->setChecked(igp.draft);
 524         clip->setChecked(igp.clip);
 525         unzipCB->setChecked(igp.noUnzip);
 526
 527         // Update the subcaption check button and input field
 528         subfigure->setChecked(igp.subcaption);
 529         subcaption->setText(toqstr(igp.subcaptionText));
 530
 531         int item = 0;
 532         switch (igp.display) {
 533                 case graphics::DefaultDisplay: item = 0; break;
 534                 case graphics::MonochromeDisplay: item = 1; break;
 535                 case graphics::GrayscaleDisplay: item = 2; break;
 536                 case graphics::ColorDisplay: item = 3; break;
 537                 case graphics::NoDisplay: item = 0; break;
 538         }
 539         showCB->setCurrentIndex(item);
 540         displayscale->setText(toqstr(convert<string>(igp.lyxscale)));
 541         displayGB->setChecked(igp.display != graphics::NoDisplay);
 542
 543         // the output section (width/height)
 544
 545         Scale->setText(toqstr(igp.scale));
 546         //igp.scale defaults to 100, so we treat it as empty
 547         bool const scaleChecked = !igp.scale.empty() && igp.scale != "100";
 548         scaleCB->blockSignals(true);
 549         scaleCB->setChecked(scaleChecked);
 550         scaleCB->blockSignals(false);
 551         Scale->setEnabled(scaleChecked);
 552
 553         lengthAutoToWidgets(Width, widthUnit, igp.width,
 554                 unitDefault);
 555         bool const widthChecked = !Width->text().isEmpty() &&
 556                 Width->text() != "auto";
 557         WidthCB->blockSignals(true);
 558         WidthCB->setChecked(widthChecked);
 559         WidthCB->blockSignals(false);
 560         Width->setEnabled(widthChecked);
 561         widthUnit->setEnabled(widthChecked);
 562
 563         lengthAutoToWidgets(Height, heightUnit, igp.height,
 564                 unitDefault);
 565         bool const heightChecked = !Height->text().isEmpty()
 566                 && Height->text() != "auto";
 567         HeightCB->blockSignals(true);
 568         HeightCB->setChecked(heightChecked);
 569         HeightCB->blockSignals(false);
 570         Height->setEnabled(heightChecked);
 571         heightUnit->setEnabled(heightChecked);
 572
 573         scaleCB->setEnabled(!widthChecked && !heightChecked);
 574         WidthCB->setEnabled(!scaleChecked);
 575         HeightCB->setEnabled(!scaleChecked);
 576         aspectratio->setEnabled(widthChecked && heightChecked);
 577
 578         setAutoText();
 579
 580         angle->setText(toqstr(igp.rotateAngle));
 581         rotateOrderCB->setChecked(igp.scaleBeforeRotation);
 582
 583         rotateOrderCB->setEnabled( (widthChecked || heightChecked || scaleChecked)
 584                 && igp.rotateAngle != "0");
 585
 586         origin->clear();
 587
 588         vector<RotationOriginPair> origindata = getRotationOriginData();
 589         vector<docstring> const origin_lang = getFirst(origindata);
 590         origin_ltx = getSecond(origindata);
 591
 592         for (vector<docstring>::const_iterator it = origin_lang.begin();
 593             it != origin_lang.end(); ++it)
 594                 origin->addItem(toqstr(*it));
 595
 596         if (!igp.rotateOrigin.empty())
 597                 origin->setCurrentIndex(
 598                         getItemNo(origin_ltx, igp.rotateOrigin));
 599         else
 600                 origin->setCurrentIndex(0);
 601
 602         // disable edit button when no filename is present
 603         editPB->setDisabled(filename->text().isEmpty());
 604
 605         //// latex section
 606         latexoptions->setText(toqstr(igp.special));
 607 }
 608
 609
 610 void GuiGraphics::applyView()
 611 {
 612         InsetGraphicsParams & igp = params_;
 613
 614         igp.filename.set(internal_path(fromqstr(filename->text())),
 615                          bufferFilepath());
 616         igp.filename.setEmbed(embedCB->checkState() == Qt::Checked);
 617
 618         // the bb section
 619         igp.bb.erase();
 620         if (bbChanged) {
 621                 string bb;
 622                 string lbXs = fromqstr(lbX->text());
 623                 string lbYs = fromqstr(lbY->text());
 624                 string rtXs = fromqstr(rtX->text());
 625                 string rtYs = fromqstr(rtY->text());
 626                 int bb_sum =
 627                         convert<int>(lbXs) + convert<int>(lbYs) +
 628                         convert<int>(rtXs) + convert<int>(rtXs);
 629                 if (bb_sum) {
 630                         if (lbXs.empty())
 631                                 bb = "0 ";
 632                         else
 633                                 bb = lbXs + fromqstr(lbXunit->currentText()) + ' ';
 634                         if (lbYs.empty())
 635                                 bb += "0 ";
 636                         else
 637                                 bb += (lbYs + fromqstr(lbYunit->currentText()) + ' ');
 638                         if (rtXs.empty())
 639                                 bb += "0 ";
 640                         else
 641                                 bb += (rtXs + fromqstr(rtXunit->currentText()) + ' ');
 642                         if (rtYs.empty())
 643                                 bb += '0';
 644                         else
 645                                 bb += (rtYs + fromqstr(rtYunit->currentText()));
 646                         igp.bb = bb;
 647                 }
 648         }
 649
 650         igp.draft = draftCB->isChecked();
 651         igp.clip = clip->isChecked();
 652         igp.subcaption = subfigure->isChecked();
 653         igp.subcaptionText = fromqstr(subcaption->text());
 654
 655         switch (showCB->currentIndex()) {
 656                 case 0: igp.display = graphics::DefaultDisplay; break;
 657                 case 1: igp.display = graphics::MonochromeDisplay; break;
 658                 case 2: igp.display = graphics::GrayscaleDisplay; break;
 659                 case 3: igp.display = graphics::ColorDisplay; break;
 660                 default:;
 661         }
 662
 663         if (!displayGB->isChecked())
 664                 igp.display = graphics::NoDisplay;
 665
 666         //the graphics section
 667         if (scaleCB->isChecked() && !Scale->text().isEmpty()) {
 668                 igp.scale = fromqstr(Scale->text());
 669                 igp.width = Length("0pt");
 670                 igp.height = Length("0pt");
 671                 igp.keepAspectRatio = false;
 672         } else {
 673                 igp.scale = string();
 674                 igp.width = WidthCB->isChecked() ?
 675                         //Note that this works even if Width is "auto", since in
 676                         //that case we get "0pt".
 677                         Length(widgetsToLength(Width, widthUnit)):
 678                         Length("0pt");
 679                 igp.height = HeightCB->isChecked() ?
 680                         Length(widgetsToLength(Height, heightUnit)) :
 681                         Length("0pt");
 682                 igp.keepAspectRatio = aspectratio->isEnabled() &&
 683                         aspectratio->isChecked() &&
 684                         igp.width.value() > 0 && igp.height.value() > 0;
 685         }
 686
 687         igp.noUnzip = unzipCB->isChecked();
 688         igp.lyxscale = displayscale->text().toInt();
 689         igp.rotateAngle = fromqstr(angle->text());
 690
 691         double rotAngle = convert<double>(igp.rotateAngle);
 692         if (std::abs(rotAngle) > 360.0) {
 693                 rotAngle -= 360.0 * floor(rotAngle / 360.0);
 694                 igp.rotateAngle = convert<string>(rotAngle);
 695         }
 696
 697         // save the latex name for the origin. If it is the default
 698         // then origin_ltx returns ""
 699         igp.rotateOrigin = origin_ltx[origin->currentIndex()];
 700         igp.scaleBeforeRotation = rotateOrderCB->isChecked();
 701
 702         // more latex options
 703         igp.special = fromqstr(latexoptions->text());
 704 }
 705
 706
 707 void GuiGraphics::getBB()
 708 {
 709         string const fn = fromqstr(filename->text());
 710         if (!fn.empty()) {
 711                 string const bb = readBB(fn);
 712                 if (!bb.empty()) {
 713                         lbX->setText(toqstr(token(bb, ' ', 0)));
 714                         lbY->setText(toqstr(token(bb, ' ', 1)));
 715                         rtX->setText(toqstr(token(bb, ' ', 2)));
 716                         rtY->setText(toqstr(token(bb, ' ', 3)));
 717                         // the default units for the bb values when reading
 718                         // it from the file
 719                         lbXunit->setCurrentIndex(0);
 720                         lbYunit->setCurrentIndex(0);
 721                         rtXunit->setCurrentIndex(0);
 722                         rtYunit->setCurrentIndex(0);
 723                 }
 724                 bbChanged = false;
 725         }
 726 }
 727
 728
 729 bool GuiGraphics::isValid()
 730 {
 731         return !filename->text().isEmpty();
 732 }
 733
 734
 735 bool GuiGraphics::initialiseParams(string const & data)
 736 {
 737         InsetGraphicsMailer::string2params(data, buffer(), params_);
 738         return true;
 739 }
 740
 741
 742 void GuiGraphics::clearParams()
 743 {
 744         params_ = InsetGraphicsParams();
 745 }
 746
 747
 748 void GuiGraphics::dispatchParams()
 749 {
 750         InsetGraphicsParams tmp_params(params_);
 751         string const lfun =
 752                 InsetGraphicsMailer::params2string(tmp_params, buffer());
 753         dispatch(FuncRequest(getLfun(), lfun));
 754 }
 755
 756
 757 docstring const GuiGraphics::browse(docstring const & in_name) const
 758 {
 759         docstring const title = _("Select graphics file");
 760
 761         // Does user clipart directory exist?
 762         string clipdir = addName(package().user_support().absFilename(), "clipart");
 763         FileName clip(clipdir);
 764         if (!clip.exists() && clip.isDirectory())
 765                 // No - bail out to system clipart directory
 766                 clipdir = addName(package().system_support().absFilename(), "clipart");
 767         pair<docstring, docstring> dir1(_("Clipart|#C#c"), from_utf8(clipdir));
 768         pair<docstring, docstring> dir2(_("Documents|#o#O"), from_utf8(lyxrc.document_path));
 769         // Show the file browser dialog
 770         return browseRelFile(in_name, from_utf8(bufferFilepath()),
 771                 title, FileFilterList(), false, dir1, dir2);
 772 }
 773
 774
 775 string const GuiGraphics::readBB(string const & file)
 776 {
 777         FileName const abs_file = makeAbsPath(file, bufferFilepath());
 778
 779         // try to get it from the file, if possible. Zipped files are
 780         // unzipped in the readBB_from_PSFile-Function
 781         string const bb = readBB_from_PSFile(abs_file);
 782         if (!bb.empty())
 783                 return bb;
 784
 785         // we don't, so ask the Graphics Cache if it has loaded the file
 786         int width = 0;
 787         int height = 0;
 788
 789         graphics::Cache & gc = graphics::Cache::get();
 790         if (gc.inCache(abs_file)) {
 791                 graphics::Image const * image = gc.item(abs_file)->image();
 792
 793                 if (image) {
 794                         width  = image->getWidth();
 795                         height = image->getHeight();
 796                 }
 797         }
 798
 799         return ("0 0 " + convert<string>(width) + ' ' + convert<string>(height));
 800 }
 801
 802
 803 bool GuiGraphics::isFilenameValid(string const & fname) const
 804 {
 805         // It may be that the filename is relative.
 806         return makeAbsPath(fname, bufferFilepath()).isReadable();
 807 }
 808
 809
 810 void GuiGraphics::editGraphics()
 811 {
 812         applyView();
 813         string const lfun =
 814                 InsetGraphicsMailer::params2string(params_, buffer());
 815         dispatch(FuncRequest(LFUN_GRAPHICS_EDIT, lfun));
 816 }
 817
 818
 819 namespace {
 820
 821 char const * const bb_units[] = { "bp", "cm", "mm", "in" };
 822 size_t const bb_size = sizeof(bb_units) / sizeof(char *);
 823
 824 // These are the strings that are stored in the LyX file and which
 825 // correspond to the LaTeX identifiers shown in the comments at the
 826 // end of each line.
 827 char const * const rorigin_lyx_strs[] = {
 828         // the LaTeX default is leftBaseline
 829         "",
 830         "leftTop",  "leftBottom", "leftBaseline", // lt lb lB
 831         "center", "centerTop", "centerBottom", "centerBaseline", // c ct cb cB
 832         "rightTop", "rightBottom", "rightBaseline" }; // rt rb rB
 833
 834 // These are the strings, corresponding to the above, that the GUI should
 835 // use. Note that they can/should be translated.
 836 char const * const rorigin_gui_strs[] = {
 837         N_("Default"),
 838         N_("Top left"), N_("Bottom left"), N_("Baseline left"),
 839         N_("Center"), N_("Top center"), N_("Bottom center"), N_("Baseline center"),
 840         N_("Top right"), N_("Bottom right"), N_("Baseline right") };
 841
 842 size_t const rorigin_size = sizeof(rorigin_lyx_strs) / sizeof(char *);
 843
 844 } // namespace anon
 845
 846
 847 vector<string> const getBBUnits()
 848 {
 849         return vector<string>(bb_units, bb_units + bb_size);
 850 }
 851
 852
 853 vector<RotationOriginPair> getRotationOriginData()
 854 {
 855         static vector<RotationOriginPair> data;
 856         if (!data.empty())
 857                 return data;
 858
 859         data.resize(rorigin_size);
 860         for (size_type i = 0; i < rorigin_size; ++i) {
 861                 data[i] = make_pair(_(rorigin_gui_strs[i]),
 862                                     rorigin_lyx_strs[i]);
 863         }
 864
 865         return data;
 866 }
 867
 868
 869 Dialog * createGuiGraphics(LyXView & lv) { return new GuiGraphics(lv); }
 870
 871
 872 } // namespace frontend
 873 } // namespace lyx
 874
 875 #include "GuiGraphics_moc.cpp"