src/frontends/qt4/QGraphics.cpp

   1 /**
   2  * \file QGraphics.cpp
   3  * This file is part of LyX, the document processor.
   4  * Licence details can be found in the file COPYING.
   5  *
   6  * \author John Levon
   7  * \author Edwin Leuven
   8  * \author Herbert Voß
   9  * \author Richard Heck
  10  *
  11  * Full author contact details are available in file CREDITS.
  12  */
  13
  14 #include <config.h>
  15
  16 #include "QGraphics.h"
  17
  18 #include "CheckedLineEdit.h"
  19 #include "LengthCombo.h"
  20 #include "QGraphicsDialog.h"
  21 #include "Qt2BC.h"
  22 #include "qt_helpers.h"
  23 #include "Validator.h"
  24
  25 #include "lengthcommon.h"
  26 #include "LyXRC.h"
  27
  28 #include "controllers/ControlGraphics.h"
  29 #include "controllers/frontend_helpers.h"
  30
  31 #include "insets/InsetGraphicsParams.h"
  32
  33 #include "support/convert.h"
  34 #include "support/lstrings.h"
  35 #include "support/lyxlib.h"
  36 #include "support/os.h"
  37
  38 #include <QLineEdit>
  39 #include <QPushButton>
  40 #include <QCheckBox>
  41 #include <QLabel>
  42
  43 #include <cmath>
  44
  45 using lyx::support::float_equal;
  46 using lyx::support::token;
  47
  48 using lyx::support::os::internal_path;
  49
  50 #ifndef CXX_GLOBAL_CSTD
  51 using std::floor;
  52 #endif
  53
  54 using std::vector;
  55 using std::string;
  56
  57 namespace lyx {
  58 namespace frontend {
  59
  60 typedef QController<ControlGraphics, QView<QGraphicsDialog> > graphics_base_class;
  61
  62 QGraphics::QGraphics(Dialog & parent)
  63         : graphics_base_class(parent, _("Graphics"))
  64 {
  65 }
  66
  67
  68 void QGraphics::build_dialog()
  69 {
  70         dialog_.reset(new QGraphicsDialog(this));
  71
  72         bcview().setOK(dialog_->okPB);
  73         bcview().setApply(dialog_->applyPB);
  74         bcview().setRestore(dialog_->restorePB);
  75         bcview().setCancel(dialog_->closePB);
  76
  77         bcview().addReadOnly(dialog_->latexoptions);
  78         bcview().addReadOnly(dialog_->subfigure);
  79         bcview().addReadOnly(dialog_->filenameL);
  80         bcview().addReadOnly(dialog_->filename);
  81         bcview().addReadOnly(dialog_->browsePB);
  82         bcview().addReadOnly(dialog_->unzipCB);
  83         bcview().addReadOnly(dialog_->bbFrame);
  84         bcview().addReadOnly(dialog_->draftCB);
  85         bcview().addReadOnly(dialog_->clip);
  86         bcview().addReadOnly(dialog_->unzipCB);
  87         bcview().addReadOnly(dialog_->displayGB);
  88         bcview().addReadOnly(dialog_->sizeGB);
  89         bcview().addReadOnly(dialog_->rotationGB);
  90         bcview().addReadOnly(dialog_->latexoptions);
  91         bcview().addReadOnly(dialog_->getPB);
  92
  93         // initialize the length validator
  94         addCheckedLineEdit(bcview(), dialog_->Scale, dialog_->scaleCB);
  95         addCheckedLineEdit(bcview(), dialog_->Width, dialog_->WidthCB);
  96         addCheckedLineEdit(bcview(), dialog_->Height, dialog_->HeightCB);
  97         addCheckedLineEdit(bcview(), dialog_->displayscale, dialog_->scaleLA);
  98         addCheckedLineEdit(bcview(), dialog_->angle, dialog_->angleL);
  99         addCheckedLineEdit(bcview(), dialog_->lbX, dialog_->xL);
 100         addCheckedLineEdit(bcview(), dialog_->lbY, dialog_->yL);
 101         addCheckedLineEdit(bcview(), dialog_->rtX, dialog_->xL_2);
 102         addCheckedLineEdit(bcview(), dialog_->rtY, dialog_->yL_2);
 103         addCheckedLineEdit(bcview(), dialog_->filename, dialog_->filenameL);
 104 }
 105
 106
 107 namespace {
 108
 109 // returns the number of the string s in the vector v
 110 int getItemNo(vector<string> v, string const & s) {
 111         vector<string>::const_iterator cit =
 112                     find(v.begin(), v.end(), s);
 113         return (cit != v.end()) ? int(cit - v.begin()) : 0;
 114 }
 115
 116 }
 117
 118
 119 void QGraphics::update_contents()
 120 {
 121         PathValidator * path_validator = getPathValidator(dialog_->filename);
 122         if (path_validator)
 123                 path_validator->setChecker(kernel().docType(), lyxrc);
 124
 125         // clear and fill in the comboboxes
 126         vector<string> const bb_units = frontend::getBBUnits();
 127         dialog_->lbXunit->clear();
 128         dialog_->lbYunit->clear();
 129         dialog_->rtXunit->clear();
 130         dialog_->rtYunit->clear();
 131         for (vector<string>::const_iterator it = bb_units.begin();
 132             it != bb_units.end(); ++it) {
 133                 dialog_->lbXunit->addItem(toqstr(*it));
 134                 dialog_->lbYunit->addItem(toqstr(*it));
 135                 dialog_->rtXunit->addItem(toqstr(*it));
 136                 dialog_->rtYunit->addItem(toqstr(*it));
 137         }
 138
 139         InsetGraphicsParams & igp = controller().params();
 140
 141         // set the right default unit
 142         Length::UNIT unitDefault = Length::CM;
 143         switch (lyxrc.default_papersize) {
 144                 case PAPER_USLETTER:
 145                 case PAPER_USLEGAL:
 146                 case PAPER_USEXECUTIVE:
 147                         unitDefault = Length::IN;
 148                         break;
 149                 default:
 150                         break;
 151         }
 152
 153         string const name =
 154                 igp.filename.outputFilename(kernel().bufferFilepath());
 155         dialog_->filename->setText(toqstr(name));
 156
 157         // set the bounding box values
 158         if (igp.bb.empty()) {
 159                 string const bb = controller().readBB(igp.filename.absFilename());
 160                 // the values from the file always have the bigpoint-unit bp
 161                 dialog_->lbX->setText(toqstr(token(bb, ' ', 0)));
 162                 dialog_->lbY->setText(toqstr(token(bb, ' ', 1)));
 163                 dialog_->rtX->setText(toqstr(token(bb, ' ', 2)));
 164                 dialog_->rtY->setText(toqstr(token(bb, ' ', 3)));
 165                 dialog_->lbXunit->setCurrentIndex(0);
 166                 dialog_->lbYunit->setCurrentIndex(0);
 167                 dialog_->rtXunit->setCurrentIndex(0);
 168                 dialog_->rtYunit->setCurrentIndex(0);
 169                 controller().bbChanged = false;
 170         } else {
 171                 // get the values from the inset
 172                 Length anyLength;
 173                 string const xl(token(igp.bb, ' ', 0));
 174                 string const yl(token(igp.bb, ' ', 1));
 175                 string const xr(token(igp.bb, ' ', 2));
 176                 string const yr(token(igp.bb, ' ', 3));
 177                 if (isValidLength(xl, &anyLength)) {
 178                         dialog_->lbX->setText(toqstr(convert<string>(anyLength.value())));
 179                         string const unit(unit_name[anyLength.unit()]);
 180                         dialog_->lbXunit->setCurrentIndex(getItemNo(bb_units, unit));
 181                 } else {
 182                         dialog_->lbX->setText(toqstr(xl));
 183                 }
 184                 if (isValidLength(yl, &anyLength)) {
 185                         dialog_->lbY->setText(toqstr(convert<string>(anyLength.value())));
 186                         string const unit(unit_name[anyLength.unit()]);
 187                         dialog_->lbYunit->setCurrentIndex(getItemNo(bb_units, unit));
 188                 } else {
 189                         dialog_->lbY->setText(toqstr(xl));
 190                 }
 191                 if (isValidLength(xr, &anyLength)) {
 192                         dialog_->rtX->setText(toqstr(convert<string>(anyLength.value())));
 193                         string const unit(unit_name[anyLength.unit()]);
 194                         dialog_->rtXunit->setCurrentIndex(getItemNo(bb_units, unit));
 195                 } else {
 196                         dialog_->rtX->setText(toqstr(xl));
 197                 }
 198                 if (isValidLength(yr, &anyLength)) {
 199                         dialog_->rtY->setText(toqstr(convert<string>(anyLength.value())));
 200                         string const unit(unit_name[anyLength.unit()]);
 201                         dialog_->rtYunit->setCurrentIndex(getItemNo(bb_units, unit));
 202                 } else {
 203                         dialog_->rtY->setText(toqstr(xl));
 204                 }
 205                 controller().bbChanged = true;
 206         }
 207
 208         // Update the draft and clip mode
 209         dialog_->draftCB->setChecked(igp.draft);
 210         dialog_->clip->setChecked(igp.clip);
 211         dialog_->unzipCB->setChecked(igp.noUnzip);
 212
 213         // Update the subcaption check button and input field
 214         dialog_->subfigure->setChecked(igp.subcaption);
 215         dialog_->subcaption->setText(toqstr(igp.subcaptionText));
 216
 217         int item = 0;
 218         switch (igp.display) {
 219                 case graphics::DefaultDisplay: item = 0; break;
 220                 case graphics::MonochromeDisplay: item = 1; break;
 221                 case graphics::GrayscaleDisplay: item = 2; break;
 222                 case graphics::ColorDisplay: item = 3; break;
 223                 case graphics::NoDisplay: item = 0; break;
 224         }
 225         dialog_->showCB->setCurrentIndex(item);
 226         dialog_->displayscale->setText(toqstr(convert<string>(igp.lyxscale)));
 227         dialog_->displayGB->setChecked(igp.display != graphics::NoDisplay);
 228
 229         // the output section (width/height)
 230
 231         dialog_->Scale->setText(toqstr(igp.scale));
 232         //igp.scale defaults to 100, so we treat it as empty
 233         bool const scaleChecked = !igp.scale.empty() && igp.scale != "100";
 234         dialog_->scaleCB->blockSignals(true);
 235         dialog_->scaleCB->setChecked(scaleChecked);
 236         dialog_->scaleCB->blockSignals(false);
 237         dialog_->Scale->setEnabled(scaleChecked);
 238
 239         lengthAutoToWidgets(dialog_->Width, dialog_->widthUnit, igp.width,
 240                 unitDefault);
 241         bool const widthChecked = !dialog_->Width->text().isEmpty() &&
 242                 dialog_->Width->text() != "auto";
 243         dialog_->WidthCB->blockSignals(true);
 244         dialog_->WidthCB->setChecked(widthChecked);
 245         dialog_->WidthCB->blockSignals(false);
 246         dialog_->Width->setEnabled(widthChecked);
 247         dialog_->widthUnit->setEnabled(widthChecked);
 248
 249         lengthAutoToWidgets(dialog_->Height, dialog_->heightUnit, igp.height,
 250                 unitDefault);
 251         bool const heightChecked = !dialog_->Height->text().isEmpty()
 252                 && dialog_->Height->text() != "auto";
 253         dialog_->HeightCB->blockSignals(true);
 254         dialog_->HeightCB->setChecked(heightChecked);
 255         dialog_->HeightCB->blockSignals(false);
 256         dialog_->Height->setEnabled(heightChecked);
 257         dialog_->heightUnit->setEnabled(heightChecked);
 258
 259         dialog_->scaleCB->setEnabled(!widthChecked && !heightChecked);
 260         dialog_->WidthCB->setEnabled(!scaleChecked);
 261         dialog_->HeightCB->setEnabled(!scaleChecked);
 262         dialog_->aspectratio->setEnabled(widthChecked && heightChecked);
 263
 264         dialog_->setAutoText();
 265
 266         dialog_->angle->setText(toqstr(igp.rotateAngle));
 267
 268         dialog_->origin->clear();
 269
 270         vector<RotationOriginPair> origindata = getRotationOriginData();
 271         vector<docstring> const origin_lang = getFirst(origindata);
 272         QGraphics::origin_ltx = getSecond(origindata);
 273
 274         for (vector<docstring>::const_iterator it = origin_lang.begin();
 275             it != origin_lang.end(); ++it)
 276                 dialog_->origin->addItem(toqstr(*it));
 277
 278         if (!igp.rotateOrigin.empty())
 279                 dialog_->origin->setCurrentIndex(
 280                         getItemNo(origin_ltx, igp.rotateOrigin));
 281         else
 282                 dialog_->origin->setCurrentIndex(0);
 283
 284         // disable edit button when no filename is present
 285         dialog_->editPB->setDisabled(dialog_->filename->text().isEmpty());
 286
 287         //// latex section
 288         dialog_->latexoptions->setText(toqstr(igp.special));
 289 }
 290
 291
 292 void QGraphics::apply()
 293 {
 294         InsetGraphicsParams & igp = controller().params();
 295
 296         igp.filename.set(internal_path(fromqstr(dialog_->filename->text())),
 297                          kernel().bufferFilepath());
 298
 299         // the bb section
 300         igp.bb.erase();
 301         if (controller().bbChanged) {
 302                 string bb;
 303                 string lbX(fromqstr(dialog_->lbX->text()));
 304                 string lbY(fromqstr(dialog_->lbY->text()));
 305                 string rtX(fromqstr(dialog_->rtX->text()));
 306                 string rtY(fromqstr(dialog_->rtY->text()));
 307                 int bb_sum =
 308                         convert<int>(lbX) + convert<int>(lbY) +
 309                         convert<int>(rtX) + convert<int>(rtX);
 310                 if (bb_sum) {
 311                         if (lbX.empty())
 312                                 bb = "0 ";
 313                         else
 314                                 bb = lbX + fromqstr(dialog_->lbXunit->currentText()) + ' ';
 315                         if (lbY.empty())
 316                                 bb += "0 ";
 317                         else
 318                                 bb += (lbY + fromqstr(dialog_->lbYunit->currentText()) + ' ');
 319                         if (rtX.empty())
 320                                 bb += "0 ";
 321                         else
 322                                 bb += (rtX + fromqstr(dialog_->rtXunit->currentText()) + ' ');
 323                         if (rtY.empty())
 324                                 bb += '0';
 325                         else
 326                                 bb += (rtY + fromqstr(dialog_->rtYunit->currentText()));
 327                         igp.bb = bb;
 328                 }
 329         }
 330
 331         igp.draft = dialog_->draftCB->isChecked();
 332         igp.clip = dialog_->clip->isChecked();
 333         igp.subcaption = dialog_->subfigure->isChecked();
 334         igp.subcaptionText = fromqstr(dialog_->subcaption->text());
 335
 336         switch (dialog_->showCB->currentIndex()) {
 337                 case 0: igp.display = graphics::DefaultDisplay; break;
 338                 case 1: igp.display = graphics::MonochromeDisplay; break;
 339                 case 2: igp.display = graphics::GrayscaleDisplay; break;
 340                 case 3: igp.display = graphics::ColorDisplay; break;
 341                 default:;
 342         }
 343
 344         if (!dialog_->displayGB->isChecked())
 345                 igp.display = graphics::NoDisplay;
 346
 347         //the graphics section
 348         if (dialog_->scaleCB->isChecked()       && !dialog_->Scale->text().isEmpty()) {
 349                 igp.scale = fromqstr(dialog_->Scale->text());
 350                 igp.width = Length("0pt");
 351                 igp.height = Length("0pt");
 352                 igp.keepAspectRatio = false;
 353         } else {
 354                 igp.scale = string();
 355                 igp.width = dialog_->WidthCB->isChecked() ?
 356                         //Note that this works even if dialog_->Width is "auto", since in
 357                         //that case we get "0pt".
 358                         Length(widgetsToLength(dialog_->Width, dialog_->widthUnit)):
 359                         Length("0pt");
 360                 igp.height = dialog_->HeightCB->isChecked() ?
 361                         Length(widgetsToLength(dialog_->Height, dialog_->heightUnit)) :
 362                         Length("0pt");
 363                 igp.keepAspectRatio = dialog_->aspectratio->isEnabled() &&
 364                         dialog_->aspectratio->isChecked() &&
 365                         igp.width.value() > 0 && igp.height.value() > 0;
 366         }
 367
 368         igp.noUnzip = dialog_->unzipCB->isChecked();
 369
 370         igp.lyxscale = convert<int>(fromqstr(dialog_->displayscale->text()));
 371
 372         igp.rotateAngle = fromqstr(dialog_->angle->text());
 373
 374         double rotAngle = convert<double>(igp.rotateAngle);
 375         if (std::abs(rotAngle) > 360.0) {
 376                 rotAngle -= 360.0 * floor(rotAngle / 360.0);
 377                 igp.rotateAngle = convert<string>(rotAngle);
 378         }
 379
 380         // save the latex name for the origin. If it is the default
 381         // then origin_ltx returns ""
 382         igp.rotateOrigin =
 383                 QGraphics::origin_ltx[dialog_->origin->currentIndex()];
 384
 385         // more latex options
 386         igp.special = fromqstr(dialog_->latexoptions->text());
 387 }
 388
 389
 390 void QGraphics::getBB()
 391 {
 392         string const filename(fromqstr(dialog_->filename->text()));
 393         if (!filename.empty()) {
 394                 string const bb(controller().readBB(filename));
 395                 if (!bb.empty()) {
 396                         dialog_->lbX->setText(toqstr(token(bb, ' ', 0)));
 397                         dialog_->lbY->setText(toqstr(token(bb, ' ', 1)));
 398                         dialog_->rtX->setText(toqstr(token(bb, ' ', 2)));
 399                         dialog_->rtY->setText(toqstr(token(bb, ' ', 3)));
 400                         // the default units for the bb values when reading
 401                         // it from the file
 402                         dialog_->lbXunit->setCurrentIndex(0);
 403                         dialog_->lbYunit->setCurrentIndex(0);
 404                         dialog_->rtXunit->setCurrentIndex(0);
 405                         dialog_->rtYunit->setCurrentIndex(0);
 406                 }
 407                 controller().bbChanged = false;
 408         }
 409 }
 410
 411
 412 bool QGraphics::isValid()
 413 {
 414         return !dialog_->filename->text().isEmpty();
 415 }
 416
 417 } // namespace frontend
 418 } // namespace lyx