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