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