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 #include "frontends/alert.h"
  19 #include "qt_helpers.h"
  20 #include "Validator.h"
  21
  22 #include "Buffer.h"
  23 #include "FuncRequest.h"
  24 #include "LengthCombo.h"
  25 #include "Length.h"
  26 #include "LyXRC.h"
  27 #include "Undo.h"
  28
  29 #include "graphics/GraphicsCache.h"
  30 #include "graphics/GraphicsCacheItem.h"
  31 #include "graphics/GraphicsImage.h"
  32
  33 #include "insets/InsetGraphics.h"
  34
  35 #include "support/convert.h"
  36 #include "support/debug.h"
  37 #include "support/filetools.h"
  38 #include "support/gettext.h"
  39 #include "support/lstrings.h"
  40 #include "support/os.h"
  41 #include "support/Package.h"
  42 #include "support/types.h"
  43
  44 #include <QCheckBox>
  45 #include <QLabel>
  46 #include <QLineEdit>
  47 #include <QPushButton>
  48 #include <QValidator>
  49
  50 #include <cmath>
  51 #include <utility>
  52
  53 using namespace std;
  54 using namespace lyx::support;
  55
  56 namespace {
  57
  58 // These are the strings that are stored in the LyX file and which
  59 // correspond to the LaTeX identifiers shown in the comments at the
  60 // end of each line.
  61 char const * const rorigin_lyx_strs[] = {
  62         // the LaTeX default is leftBaseline
  63         "",
  64         "leftTop",  "leftBottom", "leftBaseline", // lt lb lB
  65         "center", "centerTop", "centerBottom", "centerBaseline", // c ct cb cB
  66         "rightTop", "rightBottom", "rightBaseline" }; // rt rb rB
  67
  68 // These are the strings, corresponding to the above, that the GUI should
  69 // use. Note that they can/should be translated.
  70 char const * const rorigin_gui_strs[] = {
  71         N_("Default"),
  72         N_("Top left"), N_("Bottom left"), N_("Baseline left"),
  73         N_("Center"), N_("Top center"), N_("Bottom center"), N_("Baseline center"),
  74         N_("Top right"), N_("Bottom right"), N_("Baseline right") };
  75
  76 size_t const rorigin_size = sizeof(rorigin_lyx_strs) / sizeof(char *);
  77
  78 static string autostr = N_("automatically");
  79
  80 } // namespace anon
  81
  82
  83 namespace lyx {
  84 namespace frontend {
  85
  86 //FIXME setAutoTextCB should really take an argument, as indicated, that
  87 //determines what text is to be written for "auto". But making
  88 //that work involves more extensive revisions than we now want
  89 //to make, since "auto" also appears in paramsToDialog().
  90 //The right way to do this, I think, would be to define a class
  91 //checkedLengthSet (and a partnering labeledLengthSete) that encapsulated
  92 //the checkbox, line edit, and length combo together, and then made e.g.
  93 //lengthToWidgets, widgetsToLength, etc, all public methods of that class.
  94 //Perhaps even the validator could be exposed through it.
  95 /**
  96  * sets a checkbox-line edit-length combo group, using "text" if the
  97  * checkbox is unchecked and clearing the line edit if it previously
  98  * said "text".
  99 */
 100 static void setAutoTextCB(QCheckBox * checkBox, QLineEdit * lineEdit,
 101         LengthCombo * lengthCombo/*, string text = "auto"*/)
 102 {
 103         if (!checkBox->isChecked())
 104                 lengthToWidgets(lineEdit, lengthCombo,
 105                                 _(autostr), lengthCombo->currentLengthItem());
 106         else if (lineEdit->text() == qt_(autostr))
 107                 lengthToWidgets(lineEdit, lengthCombo, string(),
 108                                 lengthCombo->currentLengthItem());
 109 }
 110
 111
 112 template<class Pair>
 113 vector<typename Pair::first_type> getFirst(vector<Pair> const & pr)
 114 {
 115         size_t const n = pr.size();
 116         vector<typename Pair::first_type> tmp(n);
 117         for (size_t i = 0; i != n; ++i)
 118                 tmp[i] = pr[i].first;
 119         return tmp;
 120 }
 121
 122
 123 ///
 124 template<class Pair>
 125 vector<typename Pair::second_type> getSecond(vector<Pair> const & pr)
 126 {
 127         size_t const n = pr.size();
 128         vector<typename Pair::second_type> tmp(n);
 129         for (size_t i = 0; i != n; ++i)
 130                 tmp[i] = pr[i].second;
 131         return tmp;
 132 }
 133
 134
 135 /// The (tranlated) GUI string and it's LaTeX equivalent.
 136 typedef pair<docstring, string> RotationOriginPair;
 137 ///
 138 vector<RotationOriginPair> getRotationOriginData()
 139 {
 140         static vector<RotationOriginPair> data;
 141         if (!data.empty())
 142                 return data;
 143
 144         data.resize(rorigin_size);
 145         for (size_type i = 0; i < rorigin_size; ++i) {
 146                 data[i] = make_pair(_(rorigin_gui_strs[i]),
 147                                     rorigin_lyx_strs[i]);
 148         }
 149
 150         return data;
 151 }
 152
 153
 154
 155 GuiGraphics::GuiGraphics(GuiView & lv)
 156         : GuiDialog(lv, "graphics", qt_("Graphics"))
 157 {
 158         setupUi(this);
 159
 160         //main buttons
 161         connect(okPB, SIGNAL(clicked()), this, SLOT(slotOK()));
 162         connect(applyPB, SIGNAL(clicked()), this, SLOT(slotApply()));
 163         connect(closePB, SIGNAL(clicked()), this, SLOT(slotClose()));
 164         connect(restorePB, SIGNAL(clicked()), this, SLOT(slotRestore()));
 165
 166         //graphics pane
 167         connect(filename, SIGNAL(textChanged(const QString &)),
 168                 this, SLOT(change_adaptor()));
 169         connect(WidthCB, SIGNAL(clicked()),
 170                 this, SLOT(change_adaptor()));
 171         connect(HeightCB, SIGNAL(clicked()),
 172                 this, SLOT(change_adaptor()));
 173         connect(Width, SIGNAL(textChanged(const QString &)),
 174                 this, SLOT(change_adaptor()));
 175         connect(Height, SIGNAL(textChanged(const QString &)),
 176                 this, SLOT(change_adaptor()));
 177         connect(heightUnit, SIGNAL(selectionChanged(lyx::Length::UNIT)),
 178                 this, SLOT(change_adaptor()));
 179         connect(widthUnit, SIGNAL(selectionChanged(lyx::Length::UNIT)),
 180                 this, SLOT(change_adaptor()));
 181         connect(aspectratio, SIGNAL(stateChanged(int)),
 182                 this, SLOT(change_adaptor()));
 183         connect(angle, SIGNAL(textChanged(const QString &)),
 184                 this, SLOT(change_adaptor()));
 185         connect(origin, SIGNAL(activated(int)),
 186                 this, SLOT(change_adaptor()));
 187         connect(scaleCB, SIGNAL(clicked()),
 188                 this, SLOT(change_adaptor()));
 189         connect(Scale, SIGNAL(textChanged(const QString &)),
 190                 this, SLOT(change_adaptor()));
 191         connect(rotateOrderCB, SIGNAL(clicked()),
 192                 this, SLOT(change_adaptor()));
 193
 194         filename->setValidator(new PathValidator(true, filename));
 195         setFocusProxy(filename);
 196
 197         QDoubleValidator * scaleValidator =
 198                 new DoubleAutoValidator(Scale, qt_(autostr));
 199         scaleValidator->setBottom(0);
 200         scaleValidator->setDecimals(256); //I guess that will do
 201         Scale->setValidator(scaleValidator);
 202         Height->setValidator(unsignedLengthAutoValidator(Height, qt_(autostr)));
 203         Width->setValidator(unsignedLengthAutoValidator(Width, qt_(autostr)));
 204         angle->setValidator(new QDoubleValidator(-360, 360, 2, angle));
 205
 206         //clipping pane
 207         connect(clip, SIGNAL(stateChanged(int)),
 208                 this, SLOT(change_adaptor()));
 209         connect(lbY, SIGNAL(textChanged(const QString&)),
 210                 this, SLOT(change_bb()));
 211         connect(lbYunit, SIGNAL(activated(int)),
 212                 this, SLOT(change_bb()));
 213         connect(rtY, SIGNAL(textChanged(const QString&)),
 214                 this, SLOT(change_bb()));
 215         connect(rtYunit, SIGNAL(activated(int)),
 216                 this, SLOT(change_bb()));
 217         connect(lbX, SIGNAL(textChanged(const QString&)),
 218                 this, SLOT(change_bb()));
 219         connect(lbXunit, SIGNAL(activated(int)),
 220                 this, SLOT(change_bb()));
 221         connect(rtX, SIGNAL(textChanged(const QString&)),
 222                 this, SLOT(change_bb()));
 223         connect(rtXunit, SIGNAL(activated(int)),
 224                 this, SLOT(change_bb()));
 225         connect(getPB, SIGNAL(clicked()),
 226                 this, SLOT(change_adaptor()));
 227
 228         lbX->setValidator(new QDoubleValidator(lbX));
 229         lbY->setValidator(new QDoubleValidator(lbY));
 230         rtX->setValidator(new QDoubleValidator(rtX));
 231         rtY->setValidator(new QDoubleValidator(rtY));
 232
 233         //extra options pane
 234         connect(latexoptions, SIGNAL(textChanged(const QString&)),
 235                 this, SLOT(change_adaptor()));
 236         connect(draftCB, SIGNAL(stateChanged(int)),
 237                 this, SLOT(change_adaptor()));
 238         connect(unzipCB, SIGNAL(stateChanged(int)),
 239                 this, SLOT(change_adaptor()));
 240         // FIXME: we should connect to clicked() when we move to Qt 4.2 because
 241         // the toggled(bool) signal is also trigged when we update the widgets
 242         // (rgh-4/07) this isn't as much or a problem as it was, because we're now
 243         // using blockSignals() to keep from triggering that signal when we call
 244         // setChecked(). Note, too, that clicked() would get called whenever it
 245         // is clicked, even right clicked (I think), not just whenever it is
 246         // toggled.
 247         connect(displayGB, SIGNAL(toggled(bool)), this, SLOT(change_adaptor()));
 248         connect(displayscale, SIGNAL(textChanged(const QString&)),
 249                 this, SLOT(change_adaptor()));
 250         connect(groupCO, SIGNAL(currentIndexChanged(int)),
 251                 this, SLOT(change_group(int)));
 252
 253         displayscale->setValidator(new QIntValidator(displayscale));
 254
 255         bc().setPolicy(ButtonPolicy::NoRepeatedApplyReadOnlyPolicy);
 256         bc().setOK(okPB);
 257         bc().setApply(applyPB);
 258         bc().setRestore(restorePB);
 259         bc().setCancel(closePB);
 260
 261         bc().addReadOnly(latexoptions);
 262         bc().addReadOnly(filenameL);
 263         bc().addReadOnly(filename);
 264         bc().addReadOnly(browsePB);
 265         bc().addReadOnly(unzipCB);
 266         bc().addReadOnly(bbFrame);
 267         bc().addReadOnly(draftCB);
 268         bc().addReadOnly(clip);
 269         bc().addReadOnly(unzipCB);
 270         bc().addReadOnly(displayGB);
 271         bc().addReadOnly(sizeGB);
 272         bc().addReadOnly(rotationGB);
 273         bc().addReadOnly(latexoptions);
 274         bc().addReadOnly(getPB);
 275         bc().addReadOnly(rotateOrderCB);
 276
 277         // initialize the length validator
 278         bc().addCheckedLineEdit(Scale, scaleCB);
 279         bc().addCheckedLineEdit(Width, WidthCB);
 280         bc().addCheckedLineEdit(Height, HeightCB);
 281         bc().addCheckedLineEdit(displayscale, scaleLA);
 282         bc().addCheckedLineEdit(angle, angleL);
 283         bc().addCheckedLineEdit(lbX, xL);
 284         bc().addCheckedLineEdit(lbY, yL);
 285         bc().addCheckedLineEdit(rtX, xL_2);
 286         bc().addCheckedLineEdit(rtY, yL_2);
 287         bc().addCheckedLineEdit(filename, filenameL);
 288 }
 289
 290
 291 void GuiGraphics::change_adaptor()
 292 {
 293         changed();
 294 }
 295
 296
 297 void GuiGraphics::change_group(int index)
 298 {
 299         QString const group = groupCO->itemData(
 300                 groupCO->currentIndex()).toString();
 301
 302         if (group.isEmpty()) {
 303                 changed();
 304                 return;
 305         }
 306
 307         string grp = graphics::getGroupParams(buffer(), fromqstr(group));
 308         if (grp.empty()) {
 309                 // group does not exist yet
 310                 changed();
 311                 return;
 312         }
 313
 314         // filename might have been changed
 315         QString current_filename = filename->text();
 316
 317         // group exists: load params into the dialog
 318         groupCO->blockSignals(true);
 319         InsetGraphics::string2params(grp, buffer(), params_);
 320         paramsToDialog(params_);
 321         groupCO->blockSignals(false);
 322
 323         // reset filename
 324         filename->setText(current_filename);
 325
 326         changed();
 327 }
 328
 329
 330 void GuiGraphics::on_newGroupPB_clicked()
 331 {
 332         docstring newgroup;
 333         if (!Alert::askForText(newgroup, _("Enter unique group name:")))
 334                 return;
 335         if (newgroup.empty())
 336                 return;
 337         if (groupCO->findData(toqstr(newgroup), Qt::MatchExactly) != -1) {
 338                 Alert::warning(_("Group already defined!"),
 339                         bformat(_("A graphics group with the name '%1$s' already exists."),
 340                                 newgroup));
 341                 return;
 342         }
 343         groupCO->addItem(toqstr(newgroup), toqstr(newgroup));
 344         groupCO->setCurrentIndex(
 345                 groupCO->findData(toqstr(newgroup), Qt::MatchExactly));
 346 }
 347
 348
 349 void GuiGraphics::change_bb()
 350 {
 351         bbChanged = true;
 352         LYXERR(Debug::GRAPHICS, "[bb_Changed set to true]");
 353         changed();
 354 }
 355
 356
 357 void GuiGraphics::on_browsePB_clicked()
 358 {
 359         QString const str = browse(filename->text());
 360         if (!str.isEmpty()) {
 361                 filename->setText(str);
 362                 changed();
 363         }
 364 }
 365
 366
 367 void GuiGraphics::on_getPB_clicked()
 368 {
 369         getBB();
 370 }
 371
 372
 373 void GuiGraphics::setAutoText()
 374 {
 375         if (scaleCB->isChecked())
 376                 return;
 377         if (!Scale->isEnabled() && Scale->text() != "100")
 378                 Scale->setText(qt_(autostr));
 379
 380         setAutoTextCB(WidthCB, Width, widthUnit);
 381         setAutoTextCB(HeightCB, Height, heightUnit);
 382 }
 383
 384
 385 void GuiGraphics::on_scaleCB_toggled(bool setScale)
 386 {
 387         Scale->setEnabled(setScale);
 388         if (setScale) {
 389                 Scale->setText("100");
 390                 Scale->setFocus(Qt::OtherFocusReason);
 391         }
 392
 393         WidthCB->setDisabled(setScale);
 394         WidthCB->blockSignals(true);
 395         WidthCB->setChecked(false);
 396         WidthCB->blockSignals(false);
 397         Width->setEnabled(false);
 398         widthUnit->setEnabled(false);
 399
 400         HeightCB->setDisabled(setScale);
 401         HeightCB->blockSignals(true);
 402         HeightCB->setChecked(false);
 403         HeightCB->blockSignals(false);
 404         Height->setEnabled(false);
 405         heightUnit->setEnabled(false);
 406
 407         aspectratio->setDisabled(true);
 408         aspectratio->setChecked(true);
 409
 410         rotateOrderCB->setEnabled((WidthCB->isChecked() ||
 411                                  HeightCB->isChecked() ||
 412                                  scaleCB->isChecked()) &&
 413                                  (angle->text() != "0"));
 414
 415         setAutoText();
 416 }
 417
 418
 419 void GuiGraphics::on_WidthCB_toggled(bool setWidth)
 420 {
 421         Width->setEnabled(setWidth);
 422         widthUnit->setEnabled(setWidth);
 423         if (setWidth)
 424                 Width->setFocus(Qt::OtherFocusReason);
 425
 426         bool const setHeight = HeightCB->isChecked();
 427         aspectratio->setEnabled(setWidth && setHeight);
 428         aspectratio->blockSignals(true);
 429         aspectratio->setChecked(!(setWidth && setHeight));
 430         aspectratio->blockSignals(false);
 431
 432         scaleCB->setEnabled(!setWidth && !setHeight);
 433         //already will be unchecked, so don't need to do that
 434         Scale->setEnabled((!setWidth && !setHeight) //=scaleCB->isEnabled()
 435                         && scaleCB->isChecked()); //should be false, but let's check
 436         rotateOrderCB->setEnabled((setWidth || setHeight ||
 437                                  scaleCB->isChecked()) &&
 438                                  (angle->text() != "0"));
 439
 440         setAutoText();
 441 }
 442
 443
 444 void GuiGraphics::on_HeightCB_toggled(bool setHeight)
 445 {
 446         Height->setEnabled(setHeight);
 447         heightUnit->setEnabled(setHeight);
 448         if (setHeight)
 449                 Height->setFocus(Qt::OtherFocusReason);
 450
 451         bool const setWidth = WidthCB->isChecked();
 452         aspectratio->setEnabled(setWidth && setHeight);
 453         aspectratio->blockSignals(true);
 454         aspectratio->setChecked(!(setWidth && setHeight));
 455         aspectratio->blockSignals(false);
 456
 457         scaleCB->setEnabled(!setWidth && !setHeight);
 458         //already unchecked
 459         Scale->setEnabled((!setWidth && !setHeight) //=scaleCB->isEnabled()
 460                 && scaleCB->isChecked()); //should be false
 461         rotateOrderCB->setEnabled((setWidth || setHeight ||
 462                                  scaleCB->isChecked()) &&
 463                                  (angle->text() != "0"));
 464
 465         setAutoText();
 466 }
 467
 468
 469 void GuiGraphics::on_angle_textChanged(const QString & filename)
 470 {
 471         rotateOrderCB->setEnabled((WidthCB->isChecked() ||
 472                                  HeightCB->isChecked() ||
 473                                  scaleCB->isChecked()) &&
 474                                  (filename != "0"));
 475 }
 476
 477 // returns the number of the string s in the vector v
 478 static int itemNumber(const vector<string> & v, string const & s)
 479 {
 480         vector<string>::const_iterator cit =
 481                     find(v.begin(), v.end(), s);
 482         return (cit != v.end()) ? int(cit - v.begin()) : 0;
 483 }
 484
 485
 486 void GuiGraphics::paramsToDialog(InsetGraphicsParams const & igp)
 487 {
 488         static char const * const bb_units[] = { "bp", "cm", "mm", "in" };
 489         size_t const bb_size = sizeof(bb_units) / sizeof(bb_units[0]);
 490
 491         vector<string> const units = vector<string>(bb_units, bb_units + bb_size);
 492         lbXunit->clear();
 493         lbYunit->clear();
 494         rtXunit->clear();
 495         rtYunit->clear();
 496         for (vector<string>::const_iterator it = units.begin();
 497             it != units.end(); ++it) {
 498                 lbXunit->addItem(toqstr(*it));
 499                 lbYunit->addItem(toqstr(*it));
 500                 rtXunit->addItem(toqstr(*it));
 501                 rtYunit->addItem(toqstr(*it));
 502         }
 503
 504         // set the right default unit
 505         Length::UNIT unitDefault = Length::CM;
 506         switch (lyxrc.default_papersize) {
 507                 case PAPER_USLETTER:
 508                 case PAPER_USLEGAL:
 509                 case PAPER_USEXECUTIVE:
 510                         unitDefault = Length::IN;
 511                         break;
 512                 default:
 513                         break;
 514         }
 515
 516         //lyxerr << bufferFilepath();
 517         string const name =
 518                 igp.filename.outputFilename(fromqstr(bufferFilepath()));
 519         filename->setText(toqstr(name));
 520
 521         // set the bounding box values
 522         if (igp.bb.empty()) {
 523                 string const bb = readBoundingBox(igp.filename.absFilename());
 524                 // the values from the file always have the bigpoint-unit bp
 525                 lbX->setText(toqstr(token(bb, ' ', 0)));
 526                 lbY->setText(toqstr(token(bb, ' ', 1)));
 527                 rtX->setText(toqstr(token(bb, ' ', 2)));
 528                 rtY->setText(toqstr(token(bb, ' ', 3)));
 529                 lbXunit->setCurrentIndex(0);
 530                 lbYunit->setCurrentIndex(0);
 531                 rtXunit->setCurrentIndex(0);
 532                 rtYunit->setCurrentIndex(0);
 533                 bbChanged = false;
 534         } else {
 535                 // get the values from the inset
 536                 Length anyLength;
 537                 string const xl = token(igp.bb, ' ', 0);
 538                 string const yl = token(igp.bb, ' ', 1);
 539                 string const xr = token(igp.bb, ' ', 2);
 540                 string const yr = token(igp.bb, ' ', 3);
 541                 if (isValidLength(xl, &anyLength)) {
 542                         lbX->setText(toqstr(convert<string>(anyLength.value())));
 543                         string const unit = unit_name[anyLength.unit()];
 544                         lbXunit->setCurrentIndex(itemNumber(units, unit));
 545                 } else {
 546                         lbX->setText(toqstr(xl));
 547                 }
 548                 if (isValidLength(yl, &anyLength)) {
 549                         lbY->setText(toqstr(convert<string>(anyLength.value())));
 550                         string const unit = unit_name[anyLength.unit()];
 551                         lbYunit->setCurrentIndex(itemNumber(units, unit));
 552                 } else {
 553                         lbY->setText(toqstr(xl));
 554                 }
 555                 if (isValidLength(xr, &anyLength)) {
 556                         rtX->setText(toqstr(convert<string>(anyLength.value())));
 557                         string const unit = unit_name[anyLength.unit()];
 558                         rtXunit->setCurrentIndex(itemNumber(units, unit));
 559                 } else {
 560                         rtX->setText(toqstr(xl));
 561                 }
 562                 if (isValidLength(yr, &anyLength)) {
 563                         rtY->setText(toqstr(convert<string>(anyLength.value())));
 564                         string const unit = unit_name[anyLength.unit()];
 565                         rtYunit->setCurrentIndex(itemNumber(units, unit));
 566                 } else {
 567                         rtY->setText(toqstr(xl));
 568                 }
 569                 bbChanged = true;
 570         }
 571
 572         // Update the draft and clip mode
 573         draftCB->setChecked(igp.draft);
 574         clip->setChecked(igp.clip);
 575         unzipCB->setChecked(igp.noUnzip);
 576         displayGB->setChecked(igp.display);
 577         displayscale->setText(toqstr(convert<string>(igp.lyxscale)));
 578
 579         // the output section (width/height)
 580
 581         Scale->setText(toqstr(igp.scale));
 582         //igp.scale defaults to 100, so we treat it as empty
 583         bool const scaleChecked = !igp.scale.empty() && igp.scale != "100";
 584         scaleCB->blockSignals(true);
 585         scaleCB->setChecked(scaleChecked);
 586         scaleCB->blockSignals(false);
 587         Scale->setEnabled(scaleChecked);
 588         displayGB->setEnabled(lyxrc.display_graphics);
 589
 590         set<string> grp;
 591         graphics::getGraphicsGroups(buffer(), grp);
 592         set<string>::const_iterator it = grp.begin();
 593         set<string>::const_iterator end = grp.end();
 594         groupCO->blockSignals(true);
 595         groupCO->clear();
 596         for (; it != end; it++)
 597                 groupCO->addItem(toqstr(*it), toqstr(*it));
 598         groupCO->insertItem(0, qt_("None"), QString());
 599         if (igp.groupId.empty())
 600                 groupCO->setCurrentIndex(0);
 601         else
 602                 groupCO->setCurrentIndex(
 603                         groupCO->findData(toqstr(igp.groupId), Qt::MatchExactly));
 604         groupCO->blockSignals(false);
 605
 606         if (igp.width.value() == 0)
 607                 lengthToWidgets(Width, widthUnit, _(autostr), unitDefault);
 608         else
 609                 lengthToWidgets(Width, widthUnit, igp.width, unitDefault);
 610
 611         bool const widthChecked = !Width->text().isEmpty() &&
 612                 Width->text() != qt_(autostr);
 613         WidthCB->blockSignals(true);
 614         WidthCB->setChecked(widthChecked);
 615         WidthCB->blockSignals(false);
 616         Width->setEnabled(widthChecked);
 617         widthUnit->setEnabled(widthChecked);
 618
 619         if (igp.height.value() == 0)
 620                 lengthToWidgets(Height, heightUnit, _(autostr), unitDefault);
 621         else
 622                 lengthToWidgets(Height, heightUnit, igp.height, unitDefault);
 623
 624         bool const heightChecked = !Height->text().isEmpty()
 625                 && Height->text() != qt_(autostr);
 626         HeightCB->blockSignals(true);
 627         HeightCB->setChecked(heightChecked);
 628         HeightCB->blockSignals(false);
 629         Height->setEnabled(heightChecked);
 630         heightUnit->setEnabled(heightChecked);
 631
 632         scaleCB->setEnabled(!widthChecked && !heightChecked);
 633         WidthCB->setEnabled(!scaleChecked);
 634         HeightCB->setEnabled(!scaleChecked);
 635         aspectratio->setEnabled(widthChecked && heightChecked);
 636
 637         setAutoText();
 638
 639         angle->setText(toqstr(igp.rotateAngle));
 640         rotateOrderCB->setChecked(igp.scaleBeforeRotation);
 641
 642         rotateOrderCB->setEnabled( (widthChecked || heightChecked || scaleChecked)
 643                 && igp.rotateAngle != "0");
 644
 645         origin->clear();
 646
 647         vector<RotationOriginPair> origindata = getRotationOriginData();
 648         vector<docstring> const origin_lang = getFirst(origindata);
 649         origin_ltx = getSecond(origindata);
 650
 651         for (vector<docstring>::const_iterator it = origin_lang.begin();
 652             it != origin_lang.end(); ++it)
 653                 origin->addItem(toqstr(*it));
 654
 655         if (!igp.rotateOrigin.empty())
 656                 origin->setCurrentIndex(itemNumber(origin_ltx, igp.rotateOrigin));
 657         else
 658                 origin->setCurrentIndex(0);
 659
 660         // latex section
 661         latexoptions->setText(toqstr(igp.special));
 662 }
 663
 664
 665 void GuiGraphics::applyView()
 666 {
 667         InsetGraphicsParams & igp = params_;
 668
 669         igp.filename.set(fromqstr(filename->text()), fromqstr(bufferFilepath()));
 670
 671         // the bb section
 672         igp.bb.erase();
 673         if (bbChanged) {
 674                 string bb;
 675                 string lbXs = fromqstr(lbX->text());
 676                 string lbYs = fromqstr(lbY->text());
 677                 string rtXs = fromqstr(rtX->text());
 678                 string rtYs = fromqstr(rtY->text());
 679                 int bb_sum =
 680                         convert<int>(lbXs) + convert<int>(lbYs) +
 681                         convert<int>(rtXs) + convert<int>(rtXs);
 682                 if (bb_sum) {
 683                         if (lbXs.empty())
 684                                 bb = "0 ";
 685                         else
 686                                 bb = lbXs + fromqstr(lbXunit->currentText()) + ' ';
 687                         if (lbYs.empty())
 688                                 bb += "0 ";
 689                         else
 690                                 bb += (lbYs + fromqstr(lbYunit->currentText()) + ' ');
 691                         if (rtXs.empty())
 692                                 bb += "0 ";
 693                         else
 694                                 bb += (rtXs + fromqstr(rtXunit->currentText()) + ' ');
 695                         if (rtYs.empty())
 696                                 bb += '0';
 697                         else
 698                                 bb += (rtYs + fromqstr(rtYunit->currentText()));
 699                         igp.bb = bb;
 700                 }
 701         }
 702
 703         igp.draft = draftCB->isChecked();
 704         igp.clip = clip->isChecked();
 705         igp.display = displayGB->isChecked();
 706
 707         //the graphics section
 708         if (scaleCB->isChecked() && !Scale->text().isEmpty()) {
 709                 igp.scale = fromqstr(Scale->text());
 710                 igp.width = Length("0pt");
 711                 igp.height = Length("0pt");
 712                 igp.keepAspectRatio = false;
 713         } else {
 714                 igp.scale = string();
 715                 igp.width = WidthCB->isChecked() ?
 716                         //Note that this works even if Width is "auto", since in
 717                         //that case we get "0pt".
 718                         Length(widgetsToLength(Width, widthUnit)):
 719                         Length("0pt");
 720                 igp.height = HeightCB->isChecked() ?
 721                         Length(widgetsToLength(Height, heightUnit)) :
 722                         Length("0pt");
 723                 igp.keepAspectRatio = aspectratio->isEnabled() &&
 724                         aspectratio->isChecked() &&
 725                         igp.width.value() > 0 && igp.height.value() > 0;
 726         }
 727
 728         igp.noUnzip = unzipCB->isChecked();
 729         igp.lyxscale = displayscale->text().toInt();
 730         igp.rotateAngle = fromqstr(angle->text());
 731
 732         double rotAngle = convert<double>(igp.rotateAngle);
 733         if (abs(rotAngle) > 360.0) {
 734                 rotAngle -= 360.0 * floor(rotAngle / 360.0);
 735                 igp.rotateAngle = convert<string>(rotAngle);
 736         }
 737
 738         // save the latex name for the origin. If it is the default
 739         // then origin_ltx returns ""
 740         igp.rotateOrigin = origin_ltx[origin->currentIndex()];
 741         igp.scaleBeforeRotation = rotateOrderCB->isChecked();
 742
 743         // more latex options
 744         igp.special = fromqstr(latexoptions->text());
 745
 746         igp.groupId = fromqstr(groupCO->itemData(
 747                 groupCO->currentIndex()).toString());
 748 }
 749
 750
 751 void GuiGraphics::getBB()
 752 {
 753         string const fn = fromqstr(filename->text());
 754         if (fn.empty())
 755                 return;
 756         string const bb = readBoundingBox(fn);
 757         bbChanged = false;
 758         if (bb.empty())
 759                 return;
 760         lbX->setText(toqstr(token(bb, ' ', 0)));
 761         lbY->setText(toqstr(token(bb, ' ', 1)));
 762         rtX->setText(toqstr(token(bb, ' ', 2)));
 763         rtY->setText(toqstr(token(bb, ' ', 3)));
 764         // the default units for the bb values when reading
 765         // it from the file
 766         lbXunit->setCurrentIndex(0);
 767         lbYunit->setCurrentIndex(0);
 768         rtXunit->setCurrentIndex(0);
 769         rtYunit->setCurrentIndex(0);
 770 }
 771
 772
 773 bool GuiGraphics::isValid()
 774 {
 775         return !filename->text().isEmpty();
 776 }
 777
 778
 779 bool GuiGraphics::initialiseParams(string const & data)
 780 {
 781         InsetGraphics::string2params(data, buffer(), params_);
 782         paramsToDialog(params_);
 783         return true;
 784 }
 785
 786
 787 void GuiGraphics::clearParams()
 788 {
 789         params_ = InsetGraphicsParams();
 790 }
 791
 792
 793 void GuiGraphics::dispatchParams()
 794 {
 795         InsetGraphicsParams tmp_params(params_);
 796         string const lfun = InsetGraphics::params2string(tmp_params, buffer());
 797         dispatch(FuncRequest(getLfun(), lfun));
 798 }
 799
 800
 801 QString GuiGraphics::browse(QString const & in_name) const
 802 {
 803         QString const title = qt_("Select graphics file");
 804
 805         // Does user clipart directory exist?
 806         string clipdir = addName(package().user_support().absFilename(), "clipart");
 807         FileName clip(clipdir);
 808
 809         // bail out to system clipart directory
 810         if (!clip.isDirectory())
 811                 clipdir = addName(package().system_support().absFilename(), "clipart");
 812
 813         return browseRelFile(in_name, bufferFilepath(),
 814                 title, fileFilters(QString()), false,
 815                 qt_("Clipart|#C#c"), toqstr(clipdir),
 816                 qt_("Documents|#o#O"), toqstr(lyxrc.document_path));
 817 }
 818
 819
 820 string GuiGraphics::readBoundingBox(string const & file)
 821 {
 822         FileName const abs_file = support::makeAbsPath(file, fromqstr(bufferFilepath()));
 823
 824         // try to get it from the file, if possible. Zipped files are
 825         // unzipped in the readBB_from_PSFile-Function
 826         string const bb = readBB_from_PSFile(abs_file);
 827         if (!bb.empty())
 828                 return bb;
 829
 830         // we don't, so ask the Graphics Cache if it has loaded the file
 831         int width = 0;
 832         int height = 0;
 833
 834         graphics::Cache & gc = graphics::Cache::get();
 835         if (gc.inCache(abs_file)) {
 836                 graphics::Image const * image = gc.item(abs_file)->image();
 837
 838                 if (image) {
 839                         width  = image->width();
 840                         height = image->height();
 841                 }
 842         }
 843
 844         return ("0 0 " + convert<string>(width) + ' ' + convert<string>(height));
 845 }
 846
 847
 848 bool GuiGraphics::isFileNameValid(string const & fname) const
 849 {
 850         // It may be that the filename is relative.
 851         return support::makeAbsPath(fname, fromqstr(bufferFilepath())).isReadableFile();
 852 }
 853
 854
 855 Dialog * createGuiGraphics(GuiView & lv) { return new GuiGraphics(lv); }
 856
 857
 858 } // namespace frontend
 859 } // namespace lyx
 860
 861 #include "moc_GuiGraphics.cpp"