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