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 "Format.h"
  28
  29 #include "graphics/epstools.h"
  30 #include "graphics/GraphicsCache.h"
  31 #include "graphics/GraphicsCacheItem.h"
  32 #include "graphics/GraphicsImage.h"
  33
  34 #include "insets/InsetGraphics.h"
  35
  36 #include "support/convert.h"
  37 #include "support/debug.h"
  38 #include "support/filetools.h"
  39 #include "support/gettext.h"
  40 #include "support/lstrings.h"
  41 #include "support/os.h"
  42 #include "support/Package.h"
  43 #include "support/types.h"
  44
  45 #include <QCheckBox>
  46 #include <QFileDialog>
  47 #include <QLabel>
  48 #include <QLineEdit>
  49 #include <QPushButton>
  50 #include <QValidator>
  51
  52 #include <cmath>
  53 #include <utility>
  54
  55 using namespace std;
  56 using namespace lyx::support;
  57
  58 namespace {
  59
  60 // These are the strings that are stored in the LyX file and which
  61 // correspond to the LaTeX identifiers shown in the comments at the
  62 // end of each line.
  63 char const * const rorigin_lyx_strs[] = {
  64         // the LaTeX default is leftBaseline
  65         "",
  66         "leftTop",  "leftBottom", "leftBaseline", // lt lb lB
  67         "center", "centerTop", "centerBottom", "centerBaseline", // c ct cb cB
  68         "rightTop", "rightBottom", "rightBaseline" }; // rt rb rB
  69
  70 // These are the strings, corresponding to the above, that the GUI should
  71 // use. Note that they can/should be translated.
  72 char const * const rorigin_gui_strs[] = {
  73         N_("Default"),
  74         N_("Top left"), N_("Bottom left"), N_("Baseline left"),
  75         N_("Center"), N_("Top center"), N_("Bottom center"), N_("Baseline center"),
  76         N_("Top right"), N_("Bottom right"), N_("Baseline right") };
  77
  78 size_t const rorigin_size = sizeof(rorigin_lyx_strs) / sizeof(char *);
  79
  80 static string const autostr = N_("automatically");
  81
  82 } // namespace anon
  83
  84
  85 namespace lyx {
  86 namespace frontend {
  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 paramsToDialog().
  92 //The right way to do this, I think, would be to define a class
  93 //checkedLengthSet (and a partnering labeledLengthSete) that encapsulated
  94 //the checkbox, line edit, and length combo together, and then made e.g.
  95 //lengthToWidgets, widgetsToLength, etc, all public methods of that class.
  96 //Perhaps even the validator could be exposed through it.
  97 /**
  98  * sets a checkbox-line edit-length combo group, using "text" if the
  99  * checkbox is unchecked and clearing the line edit if it previously
 100  * said "text".
 101 */
 102 static void setAutoTextCB(QCheckBox * checkBox, QLineEdit * lineEdit,
 103         LengthCombo * lengthCombo/*, string text = "auto"*/)
 104 {
 105         if (!checkBox->isChecked())
 106                 lengthToWidgets(lineEdit, lengthCombo,
 107                                 _(autostr), lengthCombo->currentLengthItem());
 108         else if (lineEdit->text() == qt_(autostr))
 109                 lengthToWidgets(lineEdit, lengthCombo, string(),
 110                                 lengthCombo->currentLengthItem());
 111 }
 112
 113
 114 GuiGraphics::GuiGraphics(GuiView & lv)
 115         : GuiDialog(lv, "graphics", qt_("Graphics")), bbChanged(false)
 116 {
 117         setupUi(this);
 118
 119         //main buttons
 120         connect(okPB, SIGNAL(clicked()), this, SLOT(slotOK()));
 121         connect(applyPB, SIGNAL(clicked()), this, SLOT(slotApply()));
 122         connect(closePB, SIGNAL(clicked()), this, SLOT(slotClose()));
 123         connect(restorePB, SIGNAL(clicked()), this, SLOT(slotRestore()));
 124
 125         //graphics pane
 126         connect(filename, SIGNAL(textChanged(const QString &)),
 127                 this, SLOT(change_adaptor()));
 128         connect(WidthCB, SIGNAL(clicked()),
 129                 this, SLOT(change_adaptor()));
 130         connect(HeightCB, SIGNAL(clicked()),
 131                 this, SLOT(change_adaptor()));
 132         connect(Width, SIGNAL(textChanged(const QString &)),
 133                 this, SLOT(updateAspectRatioStatus()));
 134         connect(Width, SIGNAL(textChanged(const QString &)),
 135                 this, SLOT(change_adaptor()));
 136         connect(Height, SIGNAL(textChanged(const QString &)),
 137                 this, SLOT(updateAspectRatioStatus()));
 138         connect(Height, SIGNAL(textChanged(const QString &)),
 139                 this, SLOT(change_adaptor()));
 140         connect(heightUnit, SIGNAL(selectionChanged(lyx::Length::UNIT)),
 141                 this, SLOT(change_adaptor()));
 142         connect(widthUnit, SIGNAL(selectionChanged(lyx::Length::UNIT)),
 143                 this, SLOT(change_adaptor()));
 144         connect(aspectratio, SIGNAL(stateChanged(int)),
 145                 this, SLOT(change_adaptor()));
 146         connect(angle, SIGNAL(textChanged(const QString &)),
 147                 this, SLOT(change_adaptor()));
 148         connect(origin, SIGNAL(activated(int)),
 149                 this, SLOT(change_adaptor()));
 150         connect(scaleCB, SIGNAL(clicked()),
 151                 this, SLOT(change_adaptor()));
 152         connect(Scale, SIGNAL(textChanged(const QString &)),
 153                 this, SLOT(change_adaptor()));
 154         connect(rotateOrderCB, SIGNAL(clicked()),
 155                 this, SLOT(change_adaptor()));
 156
 157         filename->setValidator(new PathValidator(true, filename));
 158         setFocusProxy(filename);
 159
 160         QDoubleValidator * scaleValidator =
 161                 new DoubleAutoValidator(Scale, qt_(autostr));
 162         scaleValidator->setBottom(0);
 163         scaleValidator->setDecimals(256); //I guess that will do
 164         Scale->setValidator(scaleValidator);
 165         Height->setValidator(unsignedLengthAutoValidator(Height, qt_(autostr)));
 166         Width->setValidator(unsignedLengthAutoValidator(Width, qt_(autostr)));
 167         angle->setValidator(new QDoubleValidator(-360, 360, 2, angle));
 168
 169         //clipping pane
 170         connect(clip, SIGNAL(stateChanged(int)),
 171                 this, SLOT(change_adaptor()));
 172         connect(lbY, SIGNAL(textChanged(const QString&)),
 173                 this, SLOT(changeBB()));
 174         connect(lbYunit, SIGNAL(activated(int)),
 175                 this, SLOT(changeBB()));
 176         connect(rtY, SIGNAL(textChanged(const QString&)),
 177                 this, SLOT(changeBB()));
 178         connect(rtYunit, SIGNAL(activated(int)),
 179                 this, SLOT(changeBB()));
 180         connect(lbX, SIGNAL(textChanged(const QString&)),
 181                 this, SLOT(changeBB()));
 182         connect(lbXunit, SIGNAL(activated(int)),
 183                 this, SLOT(changeBB()));
 184         connect(rtX, SIGNAL(textChanged(const QString&)),
 185                 this, SLOT(changeBB()));
 186         connect(rtXunit, SIGNAL(activated(int)),
 187                 this, SLOT(changeBB()));
 188         connect(getPB, SIGNAL(clicked()),
 189                 this, SLOT(change_adaptor()));
 190
 191         lbX->setValidator(new QDoubleValidator(lbX));
 192         lbY->setValidator(new QDoubleValidator(lbY));
 193         rtX->setValidator(new QDoubleValidator(rtX));
 194         rtY->setValidator(new QDoubleValidator(rtY));
 195
 196         //extra options pane
 197         connect(latexoptions, SIGNAL(textChanged(const QString&)),
 198                 this, SLOT(change_adaptor()));
 199         connect(draftCB, SIGNAL(stateChanged(int)),
 200                 this, SLOT(change_adaptor()));
 201         // FIXME: we should connect to clicked() when we move to Qt 4.2 because
 202         // the toggled(bool) signal is also trigged when we update the widgets
 203         // (rgh-4/07) this isn't as much or a problem as it was, because we're now
 204         // using blockSignals() to keep from triggering that signal when we call
 205         // setChecked(). Note, too, that clicked() would get called whenever it
 206         // is clicked, even right clicked (I think), not just whenever it is
 207         // toggled.
 208         connect(displayGB, SIGNAL(toggled(bool)), this, SLOT(change_adaptor()));
 209         connect(displayscale, SIGNAL(textChanged(const QString&)),
 210                 this, SLOT(change_adaptor()));
 211         connect(groupCO, SIGNAL(currentIndexChanged(int)),
 212                 this, SLOT(changeGroup(int)));
 213
 214         displayscale->setValidator(new QIntValidator(displayscale));
 215
 216         bc().setPolicy(ButtonPolicy::NoRepeatedApplyReadOnlyPolicy);
 217         bc().setOK(okPB);
 218         bc().setApply(applyPB);
 219         bc().setRestore(restorePB);
 220         bc().setCancel(closePB);
 221
 222         bc().addReadOnly(latexoptions);
 223         bc().addReadOnly(filenameL);
 224         bc().addReadOnly(filename);
 225         bc().addReadOnly(browsePB);
 226         bc().addReadOnly(bbFrame);
 227         bc().addReadOnly(draftCB);
 228         bc().addReadOnly(clip);
 229         bc().addReadOnly(displayGB);
 230         bc().addReadOnly(sizeGB);
 231         bc().addReadOnly(rotationGB);
 232         bc().addReadOnly(latexoptions);
 233         bc().addReadOnly(getPB);
 234         bc().addReadOnly(rotateOrderCB);
 235
 236         // initialize the length validator
 237         bc().addCheckedLineEdit(Scale, scaleCB);
 238         bc().addCheckedLineEdit(Width, WidthCB);
 239         bc().addCheckedLineEdit(Height, HeightCB);
 240         bc().addCheckedLineEdit(displayscale, scaleLA);
 241         bc().addCheckedLineEdit(angle, angleL);
 242         bc().addCheckedLineEdit(lbX, xL);
 243         bc().addCheckedLineEdit(lbY, yL);
 244         bc().addCheckedLineEdit(rtX, xL_2);
 245         bc().addCheckedLineEdit(rtY, yL_2);
 246         bc().addCheckedLineEdit(filename, filenameL);
 247 }
 248
 249
 250 void GuiGraphics::change_adaptor()
 251 {
 252         changed();
 253         string const fname = fromqstr(filename->text());
 254         FileName dest_fname(FileName(fromqstr(bufferFilePath())), fname);
 255         Format const * fmt = theFormats().getFormat(theFormats().getFormatFromFile(dest_fname));
 256         LYXERR(Debug::GRAPHICS, "fmt: " << fmt
 257                 << ", fmt_name: " << theFormats().getFormatFromFile(dest_fname));
 258         editPB->setEnabled(!fname.empty() && !dest_fname.isDirectory() && dest_fname.exists());
 259         chooseSamplePB->setEnabled(!fname.empty() && !dest_fname.isDirectory());
 260 }
 261
 262
 263 void GuiGraphics::changeGroup(int /* index */)
 264 {
 265         QString const new_group = groupCO->itemData(
 266                 groupCO->currentIndex()).toString();
 267
 268         // check if the old group consisted only of this member
 269         if (current_group_ != fromqstr(new_group)
 270             && graphics::countGroupMembers(buffer(), current_group_) == 1) {
 271                 if (!new_group.isEmpty()) {
 272                         if (Alert::prompt(_("Dissolve previous group?"),
 273                                 bformat(_("If you assign this graphic to group '%2$s',\n"
 274                                           "the previously assigned group '%1$s' will be dissolved,\n"
 275                                           "because this graphic was its only member.\n"
 276                                           "How do you want to proceed?"),
 277                                         from_utf8(current_group_), qstring_to_ucs4(new_group)),
 278                                         0, 0,
 279                                         bformat(_("Stick with group '%1$s'"),
 280                                                 from_utf8(current_group_)),
 281                                         bformat(_("Assign to group '%1$s' anyway"),
 282                                                 qstring_to_ucs4(new_group))) == 0) {
 283                                 groupCO->setCurrentIndex(
 284                                         groupCO->findData(toqstr(current_group_), Qt::MatchExactly));
 285                                 return;
 286                         }
 287                 } else {
 288                         if (Alert::prompt(_("Dissolve previous group?"),
 289                         bformat(_("If you sign off this graphic from group '%1$s',\n"
 290                                   "the group will be dissolved,\n"
 291                                   "because this graphic was its only member.\n"
 292                                   "How do you want to proceed?"),
 293                                 from_utf8(current_group_)),
 294                                 0, 0,
 295                                 bformat(_("Stick with group '%1$s'"),
 296                                 from_utf8(current_group_)),
 297                                 bformat(_("Sign off from group '%1$s'"),
 298                                 from_utf8(current_group_))) == 0) {
 299                         groupCO->setCurrentIndex(
 300                                 groupCO->findData(toqstr(current_group_), Qt::MatchExactly));
 301                         return;
 302                         }
 303                 }
 304         }
 305
 306         if (new_group.isEmpty()) {
 307                 changed();
 308                 return;
 309         }
 310
 311         string grp = graphics::getGroupParams(buffer(), fromqstr(new_group));
 312         if (grp.empty()) {
 313                 // group does not exist yet
 314                 changed();
 315                 return;
 316         }
 317
 318         // filename might have been changed
 319         QString current_filename = filename->text();
 320
 321         // group exists: load params into the dialog
 322         groupCO->blockSignals(true);
 323         InsetGraphics::string2params(grp, buffer(), params_);
 324         paramsToDialog(params_);
 325         groupCO->blockSignals(false);
 326
 327         // reset filename
 328         filename->setText(current_filename);
 329
 330         changed();
 331 }
 332
 333
 334 void GuiGraphics::on_newGroupPB_clicked()
 335 {
 336         docstring newgroup;
 337         if (!Alert::askForText(newgroup, _("Enter unique group name:")))
 338                 return;
 339         if (newgroup.empty())
 340                 return;
 341         if (groupCO->findData(toqstr(newgroup), Qt::MatchExactly) != -1) {
 342                 Alert::warning(_("Group already defined!"),
 343                         bformat(_("A graphics group with the name '%1$s' already exists."),
 344                                 newgroup));
 345                 return;
 346         }
 347         groupCO->addItem(toqstr(newgroup), toqstr(newgroup));
 348         groupCO->setCurrentIndex(
 349                 groupCO->findData(toqstr(newgroup), Qt::MatchExactly));
 350 }
 351
 352
 353 void GuiGraphics::changeBB()
 354 {
 355         bbChanged = true;
 356         LYXERR(Debug::GRAPHICS, "[bb_Changed set to true]");
 357         changed();
 358 }
 359
 360
 361 void GuiGraphics::on_browsePB_clicked()
 362 {
 363         QString const str = browse(filename->text());
 364         if (!str.isEmpty()) {
 365                 filename->setText(str);
 366                 changed();
 367         }
 368 }
 369
 370
 371 bool GuiGraphics::checkFileExists()
 372 {
 373         string const fname = fromqstr(filename->text());
 374         FileName dest_fname(FileName(fromqstr(bufferFilePath())), fname);
 375         if (fname.empty() || !dest_fname.exists()) {
 376                 return frontend::Alert::prompt(
 377                         _("Continue?"), bformat(_("File '%1$s' does not exist. Continue?"), from_utf8(dest_fname.absFileName())),
 378                         0, 1, _("&Yes"), _("&No")) == 0;
 379         }
 380         return true;
 381 }
 382
 383
 384 void GuiGraphics::on_chooseSamplePB_clicked()
 385 {
 386         string fname = fromqstr(filename->text());
 387         FileName dest_fname(FileName(fromqstr(bufferFilePath())), fname);
 388         string fmt_name = theFormats().getFormatFromFile(FileName(fname));
 389         string filter("Any file (*.*)");
 390         if (!fmt_name.empty()) {
 391                 Format const *fmt = theFormats().getFormat(fmt_name);
 392                 filter = to_utf8(fmt->prettyname()) + " Files (*." + dest_fname.extension() + ")";
 393         }
 394         if (fname.empty() || dest_fname.isDirectory()) {
 395                 frontend::Alert::warning(_("Invalid destination file name!"), _("Invalid destination file name!"));
 396                 return;
 397         }
 398
 399         QString const samplesDir = toqstr(addPath(package().user_support().absFileName(), "samples"));
 400         string sample_name = fromqstr(QFileDialog::getOpenFileName(this, toqstr("Please, select sample template"), samplesDir, toqstr(filter)));
 401         if (sample_name.empty())
 402                 // User pressed Cancel
 403                 return;
 404         FileName sample_fname = FileName(sample_name);
 405
 406         //FileName sample_fname = libFileSearch(toqstr("samples"), toqstr(sample_name));
 407         if (sample_fname.isDirectory() || !sample_fname.exists()) {
 408                 frontend::Alert::warning(_("Invalid sample file name"), _("Invalid sample file name"));
 409                 return;
 410         }
 411
 412         string sample_fmt_name = theFormats().getFormatFromFile(sample_fname);
 413         if (fmt_name.empty() && !sample_fmt_name.empty()) {
 414                 fmt_name = sample_fmt_name;
 415                 string ext = theFormats().getFormat(fmt_name)->extension();
 416                 if (!ext.empty()) {
 417                         fname = fname + "." + ext;
 418                         dest_fname.set(FileName(fromqstr(bufferFilePath())), fname);
 419                         filename->setText(toqstr(fname));
 420                 }
 421         }
 422
 423         if (fname.empty() || dest_fname.isDirectory()) {
 424                 frontend::Alert::warning(_("Invalid destination file name!"), _("Cannot copy sample file on an invalid destination file!"));
 425                 return;
 426         }
 427
 428         if (!dest_fname.exists() || (dest_fname.exists() &&
 429                 frontend::Alert::prompt(
 430                         _("Overwrite?"), bformat(_("File '%1$s' already exists. Overwrite with sample from template?"), from_utf8(dest_fname.absFileName())),
 431                         0, 1, _("&Yes"), _("&No")) == 0)) {
 432                 sample_fname.copyTo(dest_fname);
 433                 dest_fname.refresh();
 434                 change_adaptor();
 435         }
 436 }
 437
 438
 439 void GuiGraphics::on_editPB_clicked()
 440 {
 441         string const fname = fromqstr(filename->text());
 442         FileName dest_fname(FileName(fromqstr(bufferFilePath())), fname);
 443         string fmt_name = theFormats().getFormatFromFile(FileName(fname));
 444         if (checkFileExists())
 445                 theFormats().edit(buffer(), dest_fname, fmt_name);
 446 }
 447
 448
 449 void GuiGraphics::on_okPB_clicked()
 450 {
 451         if (checkFileExists())
 452                 applyView();
 453 }
 454
 455
 456 void GuiGraphics::on_getPB_clicked()
 457 {
 458         getBB();
 459 }
 460
 461
 462 void GuiGraphics::setAutoText()
 463 {
 464         if (scaleCB->isChecked())
 465                 return;
 466         if (!Scale->isEnabled() && Scale->text() != "100")
 467                 Scale->setText(qt_(autostr));
 468
 469         setAutoTextCB(WidthCB, Width, widthUnit);
 470         setAutoTextCB(HeightCB, Height, heightUnit);
 471 }
 472
 473
 474 void GuiGraphics::on_scaleCB_toggled(bool setScale)
 475 {
 476         Scale->setEnabled(setScale);
 477         if (setScale) {
 478                 Scale->setText("100");
 479                 Scale->setFocus(Qt::OtherFocusReason);
 480         }
 481
 482         WidthCB->setDisabled(setScale);
 483         WidthCB->blockSignals(true);
 484         WidthCB->setChecked(false);
 485         WidthCB->blockSignals(false);
 486         Width->setEnabled(false);
 487         widthUnit->setEnabled(false);
 488
 489         HeightCB->setDisabled(setScale);
 490         HeightCB->blockSignals(true);
 491         HeightCB->setChecked(false);
 492         HeightCB->blockSignals(false);
 493         Height->setEnabled(false);
 494         heightUnit->setEnabled(false);
 495
 496         rotateOrderCB->setEnabled((WidthCB->isChecked() ||
 497                                  HeightCB->isChecked() ||
 498                                  scaleCB->isChecked()) &&
 499                                  (angle->text() != "0"));
 500
 501         setAutoText();
 502         updateAspectRatioStatus();
 503 }
 504
 505
 506 void GuiGraphics::on_WidthCB_toggled(bool setWidth)
 507 {
 508         Width->setEnabled(setWidth);
 509         widthUnit->setEnabled(setWidth);
 510         if (setWidth)
 511                 Width->setFocus(Qt::OtherFocusReason);
 512
 513         bool const setHeight = HeightCB->isChecked();
 514         scaleCB->setEnabled(!setWidth && !setHeight);
 515         //already will be unchecked, so don't need to do that
 516         Scale->setEnabled((!setWidth && !setHeight) //=scaleCB->isEnabled()
 517                         && scaleCB->isChecked()); //should be false, but let's check
 518         rotateOrderCB->setEnabled((setWidth || setHeight ||
 519                                  scaleCB->isChecked()) &&
 520                                  (angle->text() != "0"));
 521
 522         setAutoText();
 523         updateAspectRatioStatus();
 524 }
 525
 526
 527 void GuiGraphics::on_HeightCB_toggled(bool setHeight)
 528 {
 529         Height->setEnabled(setHeight);
 530         heightUnit->setEnabled(setHeight);
 531         if (setHeight)
 532                 Height->setFocus(Qt::OtherFocusReason);
 533
 534         bool const setWidth = WidthCB->isChecked();
 535         scaleCB->setEnabled(!setWidth && !setHeight);
 536         //already unchecked
 537         Scale->setEnabled((!setWidth && !setHeight) //=scaleCB->isEnabled()
 538                 && scaleCB->isChecked()); //should be false
 539         rotateOrderCB->setEnabled((setWidth || setHeight ||
 540                                  scaleCB->isChecked()) &&
 541                                  (angle->text() != "0"));
 542
 543         setAutoText();
 544         updateAspectRatioStatus();
 545 }
 546
 547
 548 void GuiGraphics::updateAspectRatioStatus()
 549 {
 550         // keepaspectratio only makes sense if both a width _and_ a
 551         // height are given, since its function is (see graphics manual):
 552         // "If set to true then specifying both 'width' and 'height'
 553         // (or 'totalheight') does not distort the figure but scales
 554         // such that neither of the specified dimensions is _exceeded_."
 555         aspectratio->setEnabled(
 556                 WidthCB->isChecked() && !Width->text().isEmpty()
 557                 && Width->text() != qt_(autostr)
 558                 && HeightCB->isChecked() && !Height->text().isEmpty()
 559                 && Height->text() != qt_(autostr)
 560                 );
 561         if (!aspectratio->isEnabled())
 562                 aspectratio->setChecked(false);
 563 }
 564
 565
 566 void GuiGraphics::on_aspectratio_toggled(bool aspectratio)
 567 {
 568         if (aspectratio) {
 569                 WidthCB->setText(qt_("Set max. &width:"));
 570                 HeightCB->setText(qt_("Set max. &height:"));
 571                 Width->setToolTip(qt_("Maximal width of image in output"));
 572                 Height->setToolTip(qt_("Maximal height of image in output"));
 573         } else {
 574                 WidthCB->setText(qt_("Set &width:"));
 575                 HeightCB->setText(qt_("Set &height:"));
 576                 Width->setToolTip(qt_("Width of image in output"));
 577                 Height->setToolTip(qt_("Height of image in output"));
 578         }
 579 }
 580
 581
 582 void GuiGraphics::on_angle_textChanged(const QString & filename)
 583 {
 584         rotateOrderCB->setEnabled((WidthCB->isChecked() ||
 585                                  HeightCB->isChecked() ||
 586                                  scaleCB->isChecked()) &&
 587                                  (filename != "0"));
 588 }
 589
 590
 591 void GuiGraphics::paramsToDialog(InsetGraphicsParams const & igp)
 592 {
 593         static char const * const bb_units[] = { "bp", "cm", "mm", "in" };
 594         static char const * const bb_units_gui[] = { N_("bp"), N_("cm"), N_("mm"), N_("in[[unit of measure]]") };
 595         size_t const bb_size = sizeof(bb_units) / sizeof(bb_units[0]);
 596
 597         lbXunit->clear();
 598         lbYunit->clear();
 599         rtXunit->clear();
 600         rtYunit->clear();
 601
 602         for (size_t i = 0; i < bb_size; i++) {
 603                 lbXunit->addItem(qt_(bb_units_gui[i]),
 604                         toqstr(bb_units[i]));
 605                 lbYunit->addItem(qt_(bb_units_gui[i]),
 606                         toqstr(bb_units[i]));
 607                 rtXunit->addItem(qt_(bb_units_gui[i]),
 608                         toqstr(bb_units[i]));
 609                 rtYunit->addItem(qt_(bb_units_gui[i]),
 610                         toqstr(bb_units[i]));
 611         }
 612
 613         // set the right default unit
 614         Length::UNIT const defaultUnit = Length::defaultUnit();
 615
 616         //lyxerr << bufferFilePath();
 617         string const name =
 618                 igp.filename.outputFileName(fromqstr(bufferFilePath()));
 619         filename->setText(toqstr(name));
 620
 621         // set the bounding box values
 622         if (igp.bbox.empty()) {
 623                 string const bb = readBoundingBox(igp.filename.absFileName());
 624                 // the values from the file always have the bigpoint-unit bp
 625                 doubleToWidget(lbX, token(bb, ' ', 0));
 626                 doubleToWidget(lbY, token(bb, ' ', 1));
 627                 doubleToWidget(rtX, token(bb, ' ', 2));
 628                 doubleToWidget(rtY, token(bb, ' ', 3));
 629                 lbXunit->setCurrentIndex(0);
 630                 lbYunit->setCurrentIndex(0);
 631                 rtXunit->setCurrentIndex(0);
 632                 rtYunit->setCurrentIndex(0);
 633                 bbChanged = false;
 634         } else {
 635                 // get the values from the inset
 636                 doubleToWidget(lbX, igp.bbox.xl.value());
 637                 string unit = unit_name[igp.bbox.xl.unit()];
 638                 lbXunit->setCurrentIndex(lbXunit->findData(toqstr(unit)));
 639                 doubleToWidget(lbY, igp.bbox.yb.value());
 640                 unit = unit_name[igp.bbox.yb.unit()];
 641                 lbYunit->setCurrentIndex(lbYunit->findData(toqstr(unit)));
 642                 doubleToWidget(rtX, igp.bbox.xr.value());
 643                 unit = unit_name[igp.bbox.xr.unit()];
 644                 rtXunit->setCurrentIndex(rtXunit->findData(toqstr(unit)));
 645                 doubleToWidget(rtY, igp.bbox.yt.value());
 646                 unit = unit_name[igp.bbox.yt.unit()];
 647                 rtYunit->setCurrentIndex(rtYunit->findData(toqstr(unit)));
 648                 bbChanged = true;
 649         }
 650
 651         // Update the draft and clip mode
 652         draftCB->setChecked(igp.draft);
 653         clip->setChecked(igp.clip);
 654         displayGB->setChecked(igp.display);
 655         displayscale->setText(toqstr(convert<string>(igp.lyxscale)));
 656
 657         // the output section (width/height)
 658
 659         doubleToWidget(Scale, igp.scale);
 660         //igp.scale defaults to 100, so we treat it as empty
 661         bool const scaleChecked = !igp.scale.empty() && igp.scale != "100";
 662         scaleCB->blockSignals(true);
 663         scaleCB->setChecked(scaleChecked);
 664         scaleCB->blockSignals(false);
 665         Scale->setEnabled(scaleChecked);
 666         displayGB->setEnabled(lyxrc.display_graphics);
 667
 668         set<string> grp;
 669         graphics::getGraphicsGroups(buffer(), grp);
 670         set<string>::const_iterator it = grp.begin();
 671         set<string>::const_iterator end = grp.end();
 672         groupCO->blockSignals(true);
 673         groupCO->clear();
 674         for (; it != end; ++it)
 675                 groupCO->addItem(toqstr(*it), toqstr(*it));
 676         groupCO->insertItem(0, qt_("None"), QString());
 677         if (igp.groupId.empty())
 678                 groupCO->setCurrentIndex(0);
 679         else
 680                 groupCO->setCurrentIndex(
 681                         groupCO->findData(toqstr(igp.groupId), Qt::MatchExactly));
 682         groupCO->blockSignals(false);
 683
 684         if (igp.width.value() == 0)
 685                 lengthToWidgets(Width, widthUnit, _(autostr), defaultUnit);
 686         else
 687                 lengthToWidgets(Width, widthUnit, igp.width, defaultUnit);
 688
 689         bool const widthChecked = !Width->text().isEmpty() &&
 690                 Width->text() != qt_(autostr);
 691         WidthCB->blockSignals(true);
 692         WidthCB->setChecked(widthChecked);
 693         WidthCB->blockSignals(false);
 694         Width->setEnabled(widthChecked);
 695         widthUnit->setEnabled(widthChecked);
 696
 697         if (igp.height.value() == 0)
 698                 lengthToWidgets(Height, heightUnit, _(autostr), defaultUnit);
 699         else
 700                 lengthToWidgets(Height, heightUnit, igp.height, defaultUnit);
 701
 702         bool const heightChecked = !Height->text().isEmpty()
 703                 && Height->text() != qt_(autostr);
 704         HeightCB->blockSignals(true);
 705         HeightCB->setChecked(heightChecked);
 706         HeightCB->blockSignals(false);
 707         Height->setEnabled(heightChecked);
 708         heightUnit->setEnabled(heightChecked);
 709
 710         scaleCB->setEnabled(!widthChecked && !heightChecked);
 711         WidthCB->setEnabled(!scaleChecked);
 712         HeightCB->setEnabled(!scaleChecked);
 713
 714         setAutoText();
 715         updateAspectRatioStatus();
 716
 717         doubleToWidget(angle, igp.rotateAngle);
 718         rotateOrderCB->setChecked(igp.scaleBeforeRotation);
 719
 720         rotateOrderCB->setEnabled( (widthChecked || heightChecked || scaleChecked)
 721                 && igp.rotateAngle != "0");
 722
 723         origin->clear();
 724
 725         for (size_t i = 0; i < rorigin_size; i++) {
 726                 origin->addItem(qt_(rorigin_gui_strs[i]),
 727                         toqstr(rorigin_lyx_strs[i]));
 728         }
 729
 730         if (!igp.rotateOrigin.empty())
 731                 origin->setCurrentIndex(origin->findData(toqstr(igp.rotateOrigin)));
 732         else
 733                 origin->setCurrentIndex(0);
 734
 735         // latex section
 736         latexoptions->setText(toqstr(igp.special));
 737         // cf bug #3852
 738         filename->setFocus();
 739 }
 740
 741
 742 void GuiGraphics::applyView()
 743 {
 744         InsetGraphicsParams & igp = params_;
 745
 746         igp.filename.set(fromqstr(filename->text()), fromqstr(bufferFilePath()));
 747
 748         // the bb section
 749         igp.bbox = graphics::BoundingBox();
 750         if (bbChanged) {
 751                 string lbXs = widgetToDoubleStr(lbX);
 752                 string lbYs = widgetToDoubleStr(lbY);
 753                 string rtXs = widgetToDoubleStr(rtX);
 754                 string rtYs = widgetToDoubleStr(rtY);
 755                 int bb_sum =
 756                         convert<int>(lbXs) + convert<int>(lbYs) +
 757                         convert<int>(rtXs) + convert<int>(rtXs);
 758                 if (bb_sum) {
 759                         if (lbXs.empty())
 760                                 lbXs = "0";
 761                         igp.bbox.xl = Length(lbXs + fromqstr(lbXunit->currentText()));
 762                         if (lbYs.empty())
 763                                 lbYs = "0";
 764                         igp.bbox.yb = Length(lbYs + fromqstr(lbYunit->currentText()));
 765                         if (rtXs.empty())
 766                                 rtXs = "0";
 767                         igp.bbox.xr = Length(rtXs + fromqstr(rtXunit->currentText()));
 768                         if (rtYs.empty())
 769                                 rtYs = "0";
 770                         igp.bbox.yt = Length(rtYs + fromqstr(rtYunit->currentText()));
 771                 }
 772         }
 773
 774         igp.draft = draftCB->isChecked();
 775         igp.clip = clip->isChecked();
 776         igp.display = displayGB->isChecked();
 777
 778         //the graphics section
 779         if (scaleCB->isChecked() && !Scale->text().isEmpty()) {
 780                 igp.scale = widgetToDoubleStr(Scale);
 781                 igp.width = Length("0pt");
 782                 igp.height = Length("0pt");
 783                 igp.keepAspectRatio = false;
 784         } else {
 785                 igp.scale = string();
 786                 igp.width = WidthCB->isChecked() ?
 787                         //Note that this works even if Width is "auto", since in
 788                         //that case we get "0pt".
 789                         Length(widgetsToLength(Width, widthUnit)):
 790                         Length("0pt");
 791                 igp.height = HeightCB->isChecked() ?
 792                         Length(widgetsToLength(Height, heightUnit)) :
 793                         Length("0pt");
 794                 igp.keepAspectRatio = aspectratio->isChecked();
 795         }
 796
 797         igp.lyxscale = displayscale->text().toInt();
 798         igp.rotateAngle = widgetToDoubleStr(angle);
 799
 800         double rotAngle = widgetToDouble(angle);
 801         if (abs(rotAngle) > 360.0) {
 802                 rotAngle -= 360.0 * floor(rotAngle / 360.0);
 803                 igp.rotateAngle = convert<string>(rotAngle);
 804         }
 805
 806         // save the latex name for the origin. If it is the default
 807         // then origin_ltx returns ""
 808         igp.rotateOrigin =
 809                 fromqstr(origin->itemData(origin->currentIndex()).toString());
 810         igp.scaleBeforeRotation = rotateOrderCB->isChecked();
 811
 812         // more latex options
 813         igp.special = fromqstr(latexoptions->text());
 814
 815         igp.groupId = fromqstr(groupCO->itemData(
 816                 groupCO->currentIndex()).toString());
 817         current_group_ = igp.groupId;
 818 }
 819
 820
 821 void GuiGraphics::getBB()
 822 {
 823         string const fn = fromqstr(filename->text());
 824         if (fn.empty())
 825                 return;
 826         string const bb = readBoundingBox(fn);
 827         bbChanged = false;
 828         if (bb.empty())
 829                 return;
 830         doubleToWidget(lbX, token(bb, ' ', 0));
 831         doubleToWidget(lbY, token(bb, ' ', 1));
 832         doubleToWidget(rtX, token(bb, ' ', 2));
 833         doubleToWidget(rtY, token(bb, ' ', 3));
 834         // the default units for the bb values when reading
 835         // it from the file
 836         lbXunit->setCurrentIndex(0);
 837         lbYunit->setCurrentIndex(0);
 838         rtXunit->setCurrentIndex(0);
 839         rtYunit->setCurrentIndex(0);
 840 }
 841
 842
 843 bool GuiGraphics::isValid()
 844 {
 845         return !filename->text().isEmpty();
 846 }
 847
 848
 849 bool GuiGraphics::initialiseParams(string const & data)
 850 {
 851         InsetGraphics::string2params(data, buffer(), params_);
 852         paramsToDialog(params_);
 853         current_group_ = params_.groupId;
 854         return true;
 855 }
 856
 857
 858 void GuiGraphics::clearParams()
 859 {
 860         params_ = InsetGraphicsParams();
 861 }
 862
 863
 864 void GuiGraphics::dispatchParams()
 865 {
 866         InsetGraphicsParams tmp_params(params_);
 867         string const lfun = InsetGraphics::params2string(tmp_params, buffer());
 868         dispatch(FuncRequest(getLfun(), lfun));
 869 }
 870
 871
 872 QString GuiGraphics::browse(QString const & in_name) const
 873 {
 874         QString const title = qt_("Select graphics file");
 875
 876         // Does user clipart directory exist?
 877         string clipdir = addName(package().user_support().absFileName(), "clipart");
 878         FileName clip(clipdir);
 879
 880         // bail out to system clipart directory
 881         if (!clip.isDirectory())
 882                 clipdir = addName(package().system_support().absFileName(), "clipart");
 883
 884         return browseRelToParent(in_name, bufferFilePath(),
 885                 title, fileFilters(QString()), false,
 886                 qt_("Clipart|#C#c"), toqstr(clipdir),
 887                 qt_("Documents|#o#O"), toqstr(lyxrc.document_path));
 888 }
 889
 890
 891 string GuiGraphics::readBoundingBox(string const & file)
 892 {
 893         FileName const abs_file = support::makeAbsPath(file, fromqstr(bufferFilePath()));
 894
 895         // try to get it from the file, if possible. Zipped files are
 896         // unzipped in the readBB_from_PSFile-Function
 897         string const bb = graphics::readBB_from_PSFile(abs_file);
 898         if (!bb.empty())
 899                 return bb;
 900
 901         // we don't, so ask the Graphics Cache if it has loaded the file
 902         int width = 0;
 903         int height = 0;
 904
 905         graphics::Cache & gc = graphics::Cache::get();
 906         if (gc.inCache(abs_file)) {
 907                 graphics::Image const * image = gc.item(abs_file)->image();
 908
 909                 if (image) {
 910                         width  = image->width();
 911                         height = image->height();
 912                 }
 913         }
 914
 915         return ("0 0 " + convert<string>(width) + ' ' + convert<string>(height));
 916 }
 917
 918
 919 bool GuiGraphics::isFileNameValid(string const & fname) const
 920 {
 921         // It may be that the filename is relative.
 922         return support::makeAbsPath(fname, fromqstr(bufferFilePath())).isReadableFile();
 923 }
 924
 925
 926 Dialog * createGuiGraphics(GuiView & lv) { return new GuiGraphics(lv); }
 927
 928
 929 } // namespace frontend
 930 } // namespace lyx
 931
 932 #include "moc_GuiGraphics.cpp"