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 "GuiGraphics.h"
  20 #include "debug.h"
  21 #include "LengthCombo.h"
  22 #include "lengthcommon.h"
  23 #include "LyXRC.h"
  24 #include "qt_helpers.h"
  25 #include "Validator.h"
  26 #include "frontend_helpers.h"
  27
  28 #include "FuncRequest.h"
  29 #include "gettext.h"
  30
  31 #include "graphics/GraphicsCache.h"
  32 #include "graphics/GraphicsCacheItem.h"
  33 #include "graphics/GraphicsImage.h"
  34
  35 #include "insets/InsetGraphicsParams.h"
  36
  37 #include "support/convert.h"
  38 #include "support/FileFilterList.h"
  39 #include "support/filetools.h"
  40 #include "support/lstrings.h"
  41 #include "support/lyxlib.h"
  42 #include "support/os.h"
  43 #include "support/Package.h"
  44 #include "support/types.h"
  45
  46 #include <boost/bind.hpp>
  47 #include <boost/filesystem/operations.hpp>
  48
  49 #include <QCheckBox>
  50 #include <QCloseEvent>
  51 #include <QLabel>
  52 #include <QLineEdit>
  53 #include <QPushButton>
  54 #include <QValidator>
  55
  56 #include <algorithm>
  57 #include <cmath>
  58 #include <utility>
  59
  60 #ifndef CXX_GLOBAL_CSTD
  61 using std::floor;
  62 #endif
  63 using std::find;
  64 using std::vector;
  65 using std::string;
  66 using std::transform;
  67 using std::make_pair;
  68 using std::pair;
  69 using std::vector;
  70
  71 namespace fs = boost::filesystem;
  72
  73 namespace lyx {
  74 namespace frontend {
  75
  76 using support::addName;
  77 using support::FileFilterList;
  78 using support::FileName;
  79 using support::float_equal;
  80 using support::isFileReadable;
  81 using support::makeAbsPath;
  82 using support::os::internal_path;
  83 using support::package;
  84 using support::readBB_from_PSFile;
  85 using support::token;
  86
  87
  88 //FIXME setAutoTextCB should really take an argument, as indicated, that
  89 //determines what text is to be written for "auto". But making
  90 //that work involves more extensive revisions than we now want
  91 //to make, since "auto" also appears in updateContents() (see
  92 //GuiGraphics.cpp).
  93 //The right way to do this, I think, would be to define a class
  94 //checkedLengthSet (and a partnering labeledLengthSete) that encapsulated
  95 //the checkbox, line edit, and length combo together, and then made e.g.
  96 //lengthToWidgets, widgetsToLength, etc, all public methods of that class.
  97 //Perhaps even the validator could be exposed through it.
  98 /**
  99  * sets a checkbox-line edit-length combo group, using "text" if the
 100  * checkbox is unchecked and clearing the line edit if it previously
 101  * said "text".
 102 */
 103 void setAutoTextCB(QCheckBox * checkBox, QLineEdit * lineEdit,
 104         LengthCombo * lengthCombo/*, string text = "auto"*/)
 105 {
 106         if (!checkBox->isChecked())
 107                 lengthToWidgets(lineEdit, lengthCombo,
 108                                 "auto", lengthCombo->currentLengthItem());
 109         else if (lineEdit->text() == "auto")
 110                 lengthToWidgets(lineEdit, lengthCombo, string(),
 111                                 lengthCombo->currentLengthItem());
 112 }
 113
 114
 115
 116 template<class Pair>
 117 vector<typename Pair::first_type> const
 118 getFirst(vector<Pair> const & pr)
 119 {
 120         vector<typename Pair::first_type> tmp(pr.size());
 121         transform(pr.begin(), pr.end(), tmp.begin(),
 122                   boost::bind(&Pair::first, _1));
 123         return tmp;
 124 }
 125
 126 ///
 127 template<class Pair>
 128 vector<typename Pair::second_type> const
 129 getSecond(vector<Pair> const & pr)
 130 {
 131          vector<typename Pair::second_type> tmp(pr.size());
 132          transform(pr.begin(), pr.end(), tmp.begin(),
 133                    boost::bind(&Pair::second, _1));
 134          return tmp;
 135 }
 136
 137 GuiGraphics::GuiGraphics(LyXView & lv)
 138         : GuiDialog(lv, "graphics")
 139 {
 140         setupUi(this);
 141         setViewTitle(_("Graphics"));
 142
 143         //main buttons
 144         connect(okPB, SIGNAL(clicked()), this, SLOT(slotOK()));
 145         connect(applyPB, SIGNAL(clicked()), this, SLOT(slotApply()));
 146         connect(closePB, SIGNAL(clicked()), this, SLOT(slotClose()));
 147         connect(restorePB, SIGNAL(clicked()), this, SLOT(slotRestore()));
 148
 149         //graphics pane
 150         connect(filename, SIGNAL(textChanged(const QString &)),
 151                 this, SLOT(change_adaptor()));
 152         connect(WidthCB, SIGNAL( clicked()),
 153                 this, SLOT(change_adaptor()));
 154         connect(HeightCB, SIGNAL( clicked()),
 155                 this, SLOT(change_adaptor()));
 156         connect(Width, SIGNAL(textChanged(const QString &)),
 157                 this, SLOT(change_adaptor()));
 158         connect(Height, SIGNAL(textChanged(const QString &)),
 159                 this, SLOT(change_adaptor()));
 160         connect(heightUnit, SIGNAL(selectionChanged(lyx::Length::UNIT)),
 161                 this, SLOT(change_adaptor()));
 162         connect(widthUnit, SIGNAL(selectionChanged(lyx::Length::UNIT)),
 163                 this, SLOT(change_adaptor()));
 164         connect(aspectratio, SIGNAL(stateChanged(int)),
 165                 this, SLOT(change_adaptor()));
 166         connect(angle, SIGNAL(textChanged(const QString &)),
 167                 this, SLOT(change_adaptor()));
 168         connect(origin, SIGNAL(activated(int)),
 169                 this, SLOT(change_adaptor()));
 170         connect(scaleCB, SIGNAL(clicked()),
 171                 this, SLOT(change_adaptor()));
 172         connect(Scale, SIGNAL(textChanged(const QString &)),
 173                 this, SLOT(change_adaptor()));
 174         connect(rotateOrderCB, SIGNAL(clicked()),
 175                 this, SLOT(change_adaptor()));
 176
 177         filename->setValidator(new PathValidator(true, filename));
 178         setFocusProxy(filename);
 179
 180         QDoubleValidator * scaleValidator = new DoubleAutoValidator(Scale);
 181         scaleValidator->setBottom(0);
 182         scaleValidator->setDecimals(256); //I guess that will do
 183         Scale->setValidator(scaleValidator);
 184         Height->setValidator(unsignedLengthAutoValidator(Height));
 185         Width->setValidator(unsignedLengthAutoValidator(Width));
 186         angle->setValidator(new QDoubleValidator(-360, 360, 2, angle));
 187
 188         //clipping pane
 189         connect(clip, SIGNAL(stateChanged(int)),
 190                 this, SLOT(change_adaptor()));
 191         connect(lbY, SIGNAL(textChanged(const QString&)),
 192                 this, SLOT(change_bb()));
 193         connect(lbYunit, SIGNAL(activated(int)),
 194                 this, SLOT(change_bb()));
 195         connect(rtY, SIGNAL(textChanged(const QString&)),
 196                 this, SLOT(change_bb()));
 197         connect(rtYunit, SIGNAL(activated(int)),
 198                 this, SLOT(change_bb()));
 199         connect(lbX, SIGNAL(textChanged(const QString&)),
 200                 this, SLOT(change_bb()));
 201         connect(lbXunit, SIGNAL(activated(int)),
 202                 this, SLOT(change_bb()));
 203         connect(rtX, SIGNAL(textChanged(const QString&)),
 204                 this, SLOT(change_bb()));
 205         connect(rtXunit, SIGNAL(activated(int)),
 206                 this, SLOT(change_bb()));
 207         connect(getPB, SIGNAL(clicked()),
 208                 this, SLOT(change_adaptor()));
 209
 210         lbX->setValidator(new QDoubleValidator(lbX));
 211         lbY->setValidator(new QDoubleValidator(lbY));
 212         rtX->setValidator(new QDoubleValidator(rtX));
 213         rtY->setValidator(new QDoubleValidator(rtY));
 214
 215         //extra options pane
 216         connect(latexoptions, SIGNAL(textChanged(const QString&)),
 217                 this, SLOT(change_adaptor()));
 218         connect(draftCB, SIGNAL(stateChanged(int)),
 219                 this, SLOT(change_adaptor()));
 220         connect(unzipCB, SIGNAL(stateChanged(int)),
 221                 this, SLOT(change_adaptor()));
 222         // FIXME: we should connect to clicked() when we move to Qt 4.2 because
 223         // the toggled(bool) signal is also trigged when we update the widgets
 224         // (rgh-4/07) this isn't as much or a problem as it was, because we're now
 225         // using blockSignals() to keep from triggering that signal when we call
 226         // setChecked(). Note, too, that clicked() would get called whenever it
 227         // is clicked, even right clicked (I think), not just whenever it is
 228         // toggled.
 229         connect(subfigure, SIGNAL(toggled(bool)),
 230                 this, SLOT(change_adaptor()));
 231         connect(subcaption, SIGNAL(textChanged(const QString&)),
 232                 this, SLOT(change_adaptor()));
 233         connect(displayGB, SIGNAL(toggled(bool)),
 234                 this, SLOT(change_adaptor()));
 235         connect(showCB, SIGNAL(currentIndexChanged(int)),
 236                 this, SLOT(change_adaptor()));
 237         connect(displayscale, SIGNAL(textChanged(const QString&)),
 238                 this, SLOT(change_adaptor()));
 239         displayscale->setValidator(new QIntValidator(displayscale));
 240
 241         bc().setPolicy(ButtonPolicy::NoRepeatedApplyReadOnlyPolicy);
 242         bc().setOK(okPB);
 243         bc().setApply(applyPB);
 244         bc().setRestore(restorePB);
 245         bc().setCancel(closePB);
 246
 247         bc().addReadOnly(latexoptions);
 248         bc().addReadOnly(subfigure);
 249         bc().addReadOnly(filenameL);
 250         bc().addReadOnly(filename);
 251         bc().addReadOnly(browsePB);
 252         bc().addReadOnly(unzipCB);
 253         bc().addReadOnly(bbFrame);
 254         bc().addReadOnly(draftCB);
 255         bc().addReadOnly(clip);
 256         bc().addReadOnly(unzipCB);
 257         bc().addReadOnly(displayGB);
 258         bc().addReadOnly(sizeGB);
 259         bc().addReadOnly(rotationGB);
 260         bc().addReadOnly(latexoptions);
 261         bc().addReadOnly(getPB);
 262         bc().addReadOnly(rotateOrderCB);
 263
 264         // initialize the length validator
 265         bc().addCheckedLineEdit(Scale, scaleCB);
 266         bc().addCheckedLineEdit(Width, WidthCB);
 267         bc().addCheckedLineEdit(Height, HeightCB);
 268         bc().addCheckedLineEdit(displayscale, scaleLA);
 269         bc().addCheckedLineEdit(angle, angleL);
 270         bc().addCheckedLineEdit(lbX, xL);
 271         bc().addCheckedLineEdit(lbY, yL);
 272         bc().addCheckedLineEdit(rtX, xL_2);
 273         bc().addCheckedLineEdit(rtY, yL_2);
 274         bc().addCheckedLineEdit(filename, filenameL);
 275 }
 276
 277
 278 void GuiGraphics::change_adaptor()
 279 {
 280         changed();
 281 }
 282
 283
 284 void GuiGraphics::change_bb()
 285 {
 286         bbChanged = true;
 287         LYXERR(Debug::GRAPHICS) << "[bb_Changed set to true]\n";
 288         changed();
 289 }
 290
 291
 292 void GuiGraphics::closeEvent(QCloseEvent * e)
 293 {
 294         slotClose();
 295         GuiDialog::closeEvent(e);
 296 }
 297
 298
 299 void GuiGraphics::on_browsePB_clicked()
 300 {
 301         docstring const str = browse(qstring_to_ucs4(filename->text()));
 302         if (!str.empty()) {
 303                 filename->setText(toqstr(str));
 304                 embedCB->setCheckState(Qt::Unchecked);
 305                 changed();
 306         }
 307 }
 308
 309
 310 void GuiGraphics::on_getPB_clicked()
 311 {
 312         getBB();
 313 }
 314
 315
 316 void GuiGraphics::on_editPB_clicked()
 317 {
 318         editGraphics();
 319 }
 320
 321
 322 void GuiGraphics::on_filename_textChanged(const QString & filename)
 323 {
 324         editPB->setDisabled(filename.isEmpty());
 325 }
 326
 327
 328 void GuiGraphics::setAutoText()
 329 {
 330         if (scaleCB->isChecked())
 331                 return;
 332         if (!Scale->isEnabled() && Scale->text() != "100")
 333                 Scale->setText(QString("auto"));
 334
 335         setAutoTextCB(WidthCB, Width, widthUnit);
 336         setAutoTextCB(HeightCB, Height, heightUnit);
 337 }
 338
 339
 340 void GuiGraphics::on_scaleCB_toggled(bool setScale)
 341 {
 342         Scale->setEnabled(setScale);
 343         if (setScale) {
 344                 Scale->setText("100");
 345                 Scale->setFocus(Qt::OtherFocusReason);
 346         }
 347
 348         WidthCB->setDisabled(setScale);
 349         WidthCB->blockSignals(true);
 350         WidthCB->setChecked(false);
 351         WidthCB->blockSignals(false);
 352         Width->setEnabled(false);
 353         widthUnit->setEnabled(false);
 354
 355         HeightCB->setDisabled(setScale);
 356         HeightCB->blockSignals(true);
 357         HeightCB->setChecked(false);
 358         HeightCB->blockSignals(false);
 359         Height->setEnabled(false);
 360         heightUnit->setEnabled(false);
 361
 362         aspectratio->setDisabled(true);
 363         aspectratio->setChecked(true);
 364
 365         rotateOrderCB->setEnabled((WidthCB->isChecked() ||
 366                                  HeightCB->isChecked() ||
 367                                  scaleCB->isChecked()) &&
 368                                  (angle->text() != "0"));
 369
 370         setAutoText();
 371 }
 372
 373
 374 void GuiGraphics::on_WidthCB_toggled(bool setWidth)
 375 {
 376         Width->setEnabled(setWidth);
 377         widthUnit->setEnabled(setWidth);
 378         if (setWidth)
 379                 Width->setFocus(Qt::OtherFocusReason);
 380
 381         bool const setHeight = HeightCB->isChecked();
 382         aspectratio->setEnabled(setWidth && setHeight);
 383         aspectratio->blockSignals(true);
 384         aspectratio->setChecked(!(setWidth && setHeight));
 385         aspectratio->blockSignals(false);
 386
 387         scaleCB->setEnabled(!setWidth && !setHeight);
 388         //already will be unchecked, so don't need to do that
 389         Scale->setEnabled((!setWidth && !setHeight) //=scaleCB->isEnabled()
 390                         && scaleCB->isChecked()); //should be false, but let's check
 391         rotateOrderCB->setEnabled((setWidth || setHeight ||
 392                                  scaleCB->isChecked()) &&
 393                                  (angle->text() != "0"));
 394
 395         setAutoText();
 396 }
 397
 398
 399 void GuiGraphics::on_HeightCB_toggled(bool setHeight)
 400 {
 401         Height->setEnabled(setHeight);
 402         heightUnit->setEnabled(setHeight);
 403         if (setHeight)
 404                 Height->setFocus(Qt::OtherFocusReason);
 405
 406         bool const setWidth = WidthCB->isChecked();
 407         aspectratio->setEnabled(setWidth && setHeight);
 408         aspectratio->blockSignals(true);
 409         aspectratio->setChecked(!(setWidth && setHeight));
 410         aspectratio->blockSignals(false);
 411
 412         scaleCB->setEnabled(!setWidth && !setHeight);
 413         //already unchecked
 414         Scale->setEnabled((!setWidth && !setHeight) //=scaleCB->isEnabled()
 415                 && scaleCB->isChecked()); //should be false
 416         rotateOrderCB->setEnabled((setWidth || setHeight ||
 417                                  scaleCB->isChecked()) &&
 418                                  (angle->text() != "0"));
 419
 420         setAutoText();
 421 }
 422
 423
 424 void GuiGraphics::on_angle_textChanged(const QString & filename)
 425 {
 426         rotateOrderCB->setEnabled((WidthCB->isChecked() ||
 427                                  HeightCB->isChecked() ||
 428                                  scaleCB->isChecked()) &&
 429                                  (filename != "0"));
 430 }
 431
 432 // returns the number of the string s in the vector v
 433 static int getItemNo(const vector<string> & v, string const & s)
 434 {
 435         vector<string>::const_iterator cit =
 436                     find(v.begin(), v.end(), s);
 437         return (cit != v.end()) ? int(cit - v.begin()) : 0;
 438 }
 439
 440
 441 void GuiGraphics::updateContents()
 442 {
 443         // clear and fill in the comboboxes
 444         vector<string> const bb_units = frontend::getBBUnits();
 445         lbXunit->clear();
 446         lbYunit->clear();
 447         rtXunit->clear();
 448         rtYunit->clear();
 449         for (vector<string>::const_iterator it = bb_units.begin();
 450             it != bb_units.end(); ++it) {
 451                 lbXunit->addItem(toqstr(*it));
 452                 lbYunit->addItem(toqstr(*it));
 453                 rtXunit->addItem(toqstr(*it));
 454                 rtYunit->addItem(toqstr(*it));
 455         }
 456
 457         InsetGraphicsParams & igp = params_;
 458
 459         // set the right default unit
 460         Length::UNIT unitDefault = Length::CM;
 461         switch (lyxrc.default_papersize) {
 462                 case PAPER_USLETTER:
 463                 case PAPER_USLEGAL:
 464                 case PAPER_USEXECUTIVE:
 465                         unitDefault = Length::IN;
 466                         break;
 467                 default:
 468                         break;
 469         }
 470
 471         string const name =
 472                 igp.filename.outputFilename(bufferFilepath());
 473         filename->setText(toqstr(name));
 474     embedCB->setCheckState(igp.filename.embedded() ? Qt::Checked : Qt::Unchecked);
 475
 476         // set the bounding box values
 477         if (igp.bb.empty()) {
 478                 string const bb = readBB(igp.filename.absFilename());
 479                 // the values from the file always have the bigpoint-unit bp
 480                 lbX->setText(toqstr(token(bb, ' ', 0)));
 481                 lbY->setText(toqstr(token(bb, ' ', 1)));
 482                 rtX->setText(toqstr(token(bb, ' ', 2)));
 483                 rtY->setText(toqstr(token(bb, ' ', 3)));
 484                 lbXunit->setCurrentIndex(0);
 485                 lbYunit->setCurrentIndex(0);
 486                 rtXunit->setCurrentIndex(0);
 487                 rtYunit->setCurrentIndex(0);
 488                 bbChanged = false;
 489         } else {
 490                 // get the values from the inset
 491                 Length anyLength;
 492                 string const xl = token(igp.bb, ' ', 0);
 493                 string const yl = token(igp.bb, ' ', 1);
 494                 string const xr = token(igp.bb, ' ', 2);
 495                 string const yr = token(igp.bb, ' ', 3);
 496                 if (isValidLength(xl, &anyLength)) {
 497                         lbX->setText(toqstr(convert<string>(anyLength.value())));
 498                         string const unit(unit_name[anyLength.unit()]);
 499                         lbXunit->setCurrentIndex(getItemNo(bb_units, unit));
 500                 } else {
 501                         lbX->setText(toqstr(xl));
 502                 }
 503                 if (isValidLength(yl, &anyLength)) {
 504                         lbY->setText(toqstr(convert<string>(anyLength.value())));
 505                         string const unit(unit_name[anyLength.unit()]);
 506                         lbYunit->setCurrentIndex(getItemNo(bb_units, unit));
 507                 } else {
 508                         lbY->setText(toqstr(xl));
 509                 }
 510                 if (isValidLength(xr, &anyLength)) {
 511                         rtX->setText(toqstr(convert<string>(anyLength.value())));
 512                         string const unit(unit_name[anyLength.unit()]);
 513                         rtXunit->setCurrentIndex(getItemNo(bb_units, unit));
 514                 } else {
 515                         rtX->setText(toqstr(xl));
 516                 }
 517                 if (isValidLength(yr, &anyLength)) {
 518                         rtY->setText(toqstr(convert<string>(anyLength.value())));
 519                         string const unit(unit_name[anyLength.unit()]);
 520                         rtYunit->setCurrentIndex(getItemNo(bb_units, unit));
 521                 } else {
 522                         rtY->setText(toqstr(xl));
 523                 }
 524                 bbChanged = true;
 525         }
 526
 527         // Update the draft and clip mode
 528         draftCB->setChecked(igp.draft);
 529         clip->setChecked(igp.clip);
 530         unzipCB->setChecked(igp.noUnzip);
 531
 532         // Update the subcaption check button and input field
 533         subfigure->setChecked(igp.subcaption);
 534         subcaption->setText(toqstr(igp.subcaptionText));
 535
 536         int item = 0;
 537         switch (igp.display) {
 538                 case graphics::DefaultDisplay: item = 0; break;
 539                 case graphics::MonochromeDisplay: item = 1; break;
 540                 case graphics::GrayscaleDisplay: item = 2; break;
 541                 case graphics::ColorDisplay: item = 3; break;
 542                 case graphics::NoDisplay: item = 0; break;
 543         }
 544         showCB->setCurrentIndex(item);
 545         displayscale->setText(toqstr(convert<string>(igp.lyxscale)));
 546         displayGB->setChecked(igp.display != graphics::NoDisplay);
 547
 548         // the output section (width/height)
 549
 550         Scale->setText(toqstr(igp.scale));
 551         //igp.scale defaults to 100, so we treat it as empty
 552         bool const scaleChecked = !igp.scale.empty() && igp.scale != "100";
 553         scaleCB->blockSignals(true);
 554         scaleCB->setChecked(scaleChecked);
 555         scaleCB->blockSignals(false);
 556         Scale->setEnabled(scaleChecked);
 557
 558         lengthAutoToWidgets(Width, widthUnit, igp.width,
 559                 unitDefault);
 560         bool const widthChecked = !Width->text().isEmpty() &&
 561                 Width->text() != "auto";
 562         WidthCB->blockSignals(true);
 563         WidthCB->setChecked(widthChecked);
 564         WidthCB->blockSignals(false);
 565         Width->setEnabled(widthChecked);
 566         widthUnit->setEnabled(widthChecked);
 567
 568         lengthAutoToWidgets(Height, heightUnit, igp.height,
 569                 unitDefault);
 570         bool const heightChecked = !Height->text().isEmpty()
 571                 && Height->text() != "auto";
 572         HeightCB->blockSignals(true);
 573         HeightCB->setChecked(heightChecked);
 574         HeightCB->blockSignals(false);
 575         Height->setEnabled(heightChecked);
 576         heightUnit->setEnabled(heightChecked);
 577
 578         scaleCB->setEnabled(!widthChecked && !heightChecked);
 579         WidthCB->setEnabled(!scaleChecked);
 580         HeightCB->setEnabled(!scaleChecked);
 581         aspectratio->setEnabled(widthChecked && heightChecked);
 582
 583         setAutoText();
 584
 585         angle->setText(toqstr(igp.rotateAngle));
 586         rotateOrderCB->setChecked(igp.scaleBeforeRotation);
 587
 588         rotateOrderCB->setEnabled( (widthChecked || heightChecked || scaleChecked)
 589                 && igp.rotateAngle != "0");
 590
 591         origin->clear();
 592
 593         vector<RotationOriginPair> origindata = getRotationOriginData();
 594         vector<docstring> const origin_lang = getFirst(origindata);
 595         origin_ltx = getSecond(origindata);
 596
 597         for (vector<docstring>::const_iterator it = origin_lang.begin();
 598             it != origin_lang.end(); ++it)
 599                 origin->addItem(toqstr(*it));
 600
 601         if (!igp.rotateOrigin.empty())
 602                 origin->setCurrentIndex(
 603                         getItemNo(origin_ltx, igp.rotateOrigin));
 604         else
 605                 origin->setCurrentIndex(0);
 606
 607         // disable edit button when no filename is present
 608         editPB->setDisabled(filename->text().isEmpty());
 609
 610         //// latex section
 611         latexoptions->setText(toqstr(igp.special));
 612 }
 613
 614
 615 void GuiGraphics::applyView()
 616 {
 617         InsetGraphicsParams & igp = params_;
 618
 619         igp.filename.set(internal_path(fromqstr(filename->text())),
 620                          bufferFilepath());
 621         igp.filename.setEmbed(embedCB->checkState() == Qt::Checked);
 622
 623         // the bb section
 624         igp.bb.erase();
 625         if (bbChanged) {
 626                 string bb;
 627                 string lbXs = fromqstr(lbX->text());
 628                 string lbYs = fromqstr(lbY->text());
 629                 string rtXs = fromqstr(rtX->text());
 630                 string rtYs = fromqstr(rtY->text());
 631                 int bb_sum =
 632                         convert<int>(lbXs) + convert<int>(lbYs) +
 633                         convert<int>(rtXs) + convert<int>(rtXs);
 634                 if (bb_sum) {
 635                         if (lbXs.empty())
 636                                 bb = "0 ";
 637                         else
 638                                 bb = lbXs + fromqstr(lbXunit->currentText()) + ' ';
 639                         if (lbYs.empty())
 640                                 bb += "0 ";
 641                         else
 642                                 bb += (lbYs + fromqstr(lbYunit->currentText()) + ' ');
 643                         if (rtXs.empty())
 644                                 bb += "0 ";
 645                         else
 646                                 bb += (rtXs + fromqstr(rtXunit->currentText()) + ' ');
 647                         if (rtYs.empty())
 648                                 bb += '0';
 649                         else
 650                                 bb += (rtYs + fromqstr(rtYunit->currentText()));
 651                         igp.bb = bb;
 652                 }
 653         }
 654
 655         igp.draft = draftCB->isChecked();
 656         igp.clip = clip->isChecked();
 657         igp.subcaption = subfigure->isChecked();
 658         igp.subcaptionText = fromqstr(subcaption->text());
 659
 660         switch (showCB->currentIndex()) {
 661                 case 0: igp.display = graphics::DefaultDisplay; break;
 662                 case 1: igp.display = graphics::MonochromeDisplay; break;
 663                 case 2: igp.display = graphics::GrayscaleDisplay; break;
 664                 case 3: igp.display = graphics::ColorDisplay; break;
 665                 default:;
 666         }
 667
 668         if (!displayGB->isChecked())
 669                 igp.display = graphics::NoDisplay;
 670
 671         //the graphics section
 672         if (scaleCB->isChecked() && !Scale->text().isEmpty()) {
 673                 igp.scale = fromqstr(Scale->text());
 674                 igp.width = Length("0pt");
 675                 igp.height = Length("0pt");
 676                 igp.keepAspectRatio = false;
 677         } else {
 678                 igp.scale = string();
 679                 igp.width = WidthCB->isChecked() ?
 680                         //Note that this works even if Width is "auto", since in
 681                         //that case we get "0pt".
 682                         Length(widgetsToLength(Width, widthUnit)):
 683                         Length("0pt");
 684                 igp.height = HeightCB->isChecked() ?
 685                         Length(widgetsToLength(Height, heightUnit)) :
 686                         Length("0pt");
 687                 igp.keepAspectRatio = aspectratio->isEnabled() &&
 688                         aspectratio->isChecked() &&
 689                         igp.width.value() > 0 && igp.height.value() > 0;
 690         }
 691
 692         igp.noUnzip = unzipCB->isChecked();
 693         igp.lyxscale = displayscale->text().toInt();
 694         igp.rotateAngle = fromqstr(angle->text());
 695
 696         double rotAngle = convert<double>(igp.rotateAngle);
 697         if (std::abs(rotAngle) > 360.0) {
 698                 rotAngle -= 360.0 * floor(rotAngle / 360.0);
 699                 igp.rotateAngle = convert<string>(rotAngle);
 700         }
 701
 702         // save the latex name for the origin. If it is the default
 703         // then origin_ltx returns ""
 704         igp.rotateOrigin = origin_ltx[origin->currentIndex()];
 705         igp.scaleBeforeRotation = rotateOrderCB->isChecked();
 706
 707         // more latex options
 708         igp.special = fromqstr(latexoptions->text());
 709 }
 710
 711
 712 void GuiGraphics::getBB()
 713 {
 714         string const fn = fromqstr(filename->text());
 715         if (!fn.empty()) {
 716                 string const bb = readBB(fn);
 717                 if (!bb.empty()) {
 718                         lbX->setText(toqstr(token(bb, ' ', 0)));
 719                         lbY->setText(toqstr(token(bb, ' ', 1)));
 720                         rtX->setText(toqstr(token(bb, ' ', 2)));
 721                         rtY->setText(toqstr(token(bb, ' ', 3)));
 722                         // the default units for the bb values when reading
 723                         // it from the file
 724                         lbXunit->setCurrentIndex(0);
 725                         lbYunit->setCurrentIndex(0);
 726                         rtXunit->setCurrentIndex(0);
 727                         rtYunit->setCurrentIndex(0);
 728                 }
 729                 bbChanged = false;
 730         }
 731 }
 732
 733
 734 bool GuiGraphics::isValid()
 735 {
 736         return !filename->text().isEmpty();
 737 }
 738
 739
 740 bool GuiGraphics::initialiseParams(string const & data)
 741 {
 742         InsetGraphicsMailer::string2params(data, buffer(), params_);
 743         return true;
 744 }
 745
 746
 747 void GuiGraphics::clearParams()
 748 {
 749         params_ = InsetGraphicsParams();
 750 }
 751
 752
 753 void GuiGraphics::dispatchParams()
 754 {
 755         InsetGraphicsParams tmp_params(params_);
 756         string const lfun =
 757                 InsetGraphicsMailer::params2string(tmp_params, buffer());
 758         dispatch(FuncRequest(getLfun(), lfun));
 759 }
 760
 761
 762 docstring const GuiGraphics::browse(docstring const & in_name) const
 763 {
 764         docstring const title = _("Select graphics file");
 765
 766         // Does user clipart directory exist?
 767         string clipdir = addName(package().user_support().absFilename(), "clipart");
 768         string const encoded_clipdir = FileName(clipdir).toFilesystemEncoding();
 769         if (!(fs::exists(encoded_clipdir) && fs::is_directory(encoded_clipdir)))
 770                 // No - bail out to system clipart directory
 771                 clipdir = addName(package().system_support().absFilename(), "clipart");
 772         pair<docstring, docstring> dir1(_("Clipart|#C#c"), from_utf8(clipdir));
 773         pair<docstring, docstring> dir2(_("Documents|#o#O"), from_utf8(lyxrc.document_path));
 774         // Show the file browser dialog
 775         return browseRelFile(in_name, from_utf8(bufferFilepath()),
 776                 title, FileFilterList(), false, dir1, dir2);
 777 }
 778
 779
 780 string const GuiGraphics::readBB(string const & file)
 781 {
 782         FileName const abs_file(makeAbsPath(file, bufferFilepath()));
 783
 784         // try to get it from the file, if possible. Zipped files are
 785         // unzipped in the readBB_from_PSFile-Function
 786         string const bb = readBB_from_PSFile(abs_file);
 787         if (!bb.empty())
 788                 return bb;
 789
 790         // we don't, so ask the Graphics Cache if it has loaded the file
 791         int width = 0;
 792         int height = 0;
 793
 794         graphics::Cache & gc = graphics::Cache::get();
 795         if (gc.inCache(abs_file)) {
 796                 graphics::Image const * image = gc.item(abs_file)->image();
 797
 798                 if (image) {
 799                         width  = image->getWidth();
 800                         height = image->getHeight();
 801                 }
 802         }
 803
 804         return ("0 0 " + convert<string>(width) + ' ' + convert<string>(height));
 805 }
 806
 807
 808 bool GuiGraphics::isFilenameValid(string const & fname) const
 809 {
 810         // It may be that the filename is relative.
 811         return isFileReadable(makeAbsPath(fname, bufferFilepath()));
 812 }
 813
 814
 815 void GuiGraphics::editGraphics()
 816 {
 817         applyView();
 818         string const lfun =
 819                 InsetGraphicsMailer::params2string(params_, buffer());
 820         dispatch(FuncRequest(LFUN_GRAPHICS_EDIT, lfun));
 821 }
 822
 823
 824 namespace {
 825
 826 char const * const bb_units[] = { "bp", "cm", "mm", "in" };
 827 size_t const bb_size = sizeof(bb_units) / sizeof(char *);
 828
 829 // These are the strings that are stored in the LyX file and which
 830 // correspond to the LaTeX identifiers shown in the comments at the
 831 // end of each line.
 832 char const * const rorigin_lyx_strs[] = {
 833         // the LaTeX default is leftBaseline
 834         "",
 835         "leftTop",  "leftBottom", "leftBaseline", // lt lb lB
 836         "center", "centerTop", "centerBottom", "centerBaseline", // c ct cb cB
 837         "rightTop", "rightBottom", "rightBaseline" }; // rt rb rB
 838
 839 // These are the strings, corresponding to the above, that the GUI should
 840 // use. Note that they can/should be translated.
 841 char const * const rorigin_gui_strs[] = {
 842         N_("Default"),
 843         N_("Top left"), N_("Bottom left"), N_("Baseline left"),
 844         N_("Center"), N_("Top center"), N_("Bottom center"), N_("Baseline center"),
 845         N_("Top right"), N_("Bottom right"), N_("Baseline right") };
 846
 847 size_t const rorigin_size = sizeof(rorigin_lyx_strs) / sizeof(char *);
 848
 849 } // namespace anon
 850
 851
 852 vector<string> const getBBUnits()
 853 {
 854         return vector<string>(bb_units, bb_units + bb_size);
 855 }
 856
 857
 858 vector<RotationOriginPair> getRotationOriginData()
 859 {
 860         static vector<RotationOriginPair> data;
 861         if (!data.empty())
 862                 return data;
 863
 864         data.resize(rorigin_size);
 865         for (size_type i = 0; i < rorigin_size; ++i) {
 866                 data[i] = make_pair(_(rorigin_gui_strs[i]),
 867                                     rorigin_lyx_strs[i]);
 868         }
 869
 870         return data;
 871 }
 872
 873
 874 Dialog * createGuiGraphics(LyXView & lv) { return new GuiGraphics(lv); }
 875
 876
 877 } // namespace frontend
 878 } // namespace lyx
 879
 880 #include "GuiGraphics_moc.cpp"