src/frontends/qt4/QGraphics.C

   1 /**
   2  * \file QGraphics.C
   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  *
  10  * Full author contact details are available in file CREDITS.
  11  */
  12
  13 #include <config.h>
  14
  15 #include "QGraphics.h"
  16
  17 #include "checkedwidgets.h"
  18 #include "lengthcombo.h"
  19 #include "QGraphicsDialog.h"
  20 #include "Qt2BC.h"
  21 #include "qt_helpers.h"
  22 #include "validators.h"
  23
  24 #include "lengthcommon.h"
  25 #include "lyxrc.h"
  26
  27 #include "controllers/ControlGraphics.h"
  28 #include "controllers/helper_funcs.h"
  29
  30 #include "insets/insetgraphicsParams.h"
  31
  32 #include "support/convert.h"
  33 #include "support/lstrings.h"
  34 #include "support/lyxlib.h"
  35
  36 #include <qlineedit.h>
  37 #include <qpushbutton.h>
  38 #include <qcheckbox.h>
  39 #include <qlabel.h>
  40
  41 #include <cmath>
  42
  43 using lyx::support::float_equal;
  44 using lyx::support::token;
  45
  46 #ifndef CXX_GLOBAL_CSTD
  47 using std::floor;
  48 #endif
  49
  50 using std::vector;
  51 using std::string;
  52
  53 namespace lyx {
  54 namespace frontend {
  55
  56 typedef QController<ControlGraphics, QView<QGraphicsDialog> > base_class;
  57
  58 QGraphics::QGraphics(Dialog & parent)
  59         : base_class(parent, _("Graphics"))
  60 {
  61 }
  62
  63
  64 void QGraphics::build_dialog()
  65 {
  66         dialog_.reset(new QGraphicsDialog(this));
  67
  68         bcview().setOK(dialog_->okPB);
  69         bcview().setApply(dialog_->applyPB);
  70         bcview().setRestore(dialog_->restorePB);
  71         bcview().setCancel(dialog_->closePB);
  72
  73         bcview().addReadOnly(dialog_->rotateGB);
  74         bcview().addReadOnly(dialog_->latexoptions);
  75         bcview().addReadOnly(dialog_->subfigure);
  76         bcview().addReadOnly(dialog_->subcaption);
  77         bcview().addReadOnly(dialog_->filenameL);
  78         bcview().addReadOnly(dialog_->filename);
  79         bcview().addReadOnly(dialog_->browsePB);
  80         bcview().addReadOnly(dialog_->unzipCB);
  81         bcview().addReadOnly(dialog_->filename);
  82         bcview().addReadOnly(dialog_->lbX);
  83         bcview().addReadOnly(dialog_->lbY);
  84         bcview().addReadOnly(dialog_->rtX);
  85         bcview().addReadOnly(dialog_->rtY);
  86         bcview().addReadOnly(dialog_->lbXunit);
  87         bcview().addReadOnly(dialog_->lbYunit);
  88         bcview().addReadOnly(dialog_->rtXunit);
  89         bcview().addReadOnly(dialog_->rtYunit);
  90         bcview().addReadOnly(dialog_->draftCB);
  91         bcview().addReadOnly(dialog_->clip);
  92         bcview().addReadOnly(dialog_->unzipCB);
  93         bcview().addReadOnly(dialog_->subfigure);
  94         bcview().addReadOnly(dialog_->subcaption);
  95         bcview().addReadOnly(dialog_->showCB);
  96         bcview().addReadOnly(dialog_->Width);
  97         bcview().addReadOnly(dialog_->Height);
  98         bcview().addReadOnly(dialog_->displayCB);
  99         bcview().addReadOnly(dialog_->displayscale);
 100         bcview().addReadOnly(dialog_->widthUnit);
 101         bcview().addReadOnly(dialog_->heightUnit);
 102         bcview().addReadOnly(dialog_->aspectratio);
 103         bcview().addReadOnly(dialog_->angle);
 104         bcview().addReadOnly(dialog_->origin);
 105         bcview().addReadOnly(dialog_->latexoptions);
 106         bcview().addReadOnly(dialog_->getPB);
 107
 108         // initialize the length validator
 109         addCheckedLineEdit(bcview(), dialog_->Width, dialog_->sizewidthL_2);
 110         addCheckedLineEdit(bcview(), dialog_->Height, dialog_->sizeheightL_2);
 111         addCheckedLineEdit(bcview(), dialog_->displayscale, dialog_->scaleLA);
 112         addCheckedLineEdit(bcview(), dialog_->angle, dialog_->angleL_2);
 113         addCheckedLineEdit(bcview(), dialog_->lbX, dialog_->xL);
 114         addCheckedLineEdit(bcview(), dialog_->lbY, dialog_->yL);
 115         addCheckedLineEdit(bcview(), dialog_->rtX, dialog_->xL_2);
 116         addCheckedLineEdit(bcview(), dialog_->rtY, dialog_->yL_2);
 117         addCheckedLineEdit(bcview(), dialog_->filename, dialog_->filenameL);
 118 }
 119
 120
 121 namespace {
 122
 123 // returns the number of the string s in the vector v
 124 int getItemNo(vector<string> v, string const & s) {
 125         vector<string>::const_iterator cit =
 126                     find(v.begin(), v.end(), s);
 127         return (cit != v.end()) ? int(cit - v.begin()) : 0;
 128 }
 129
 130 }
 131
 132
 133 void QGraphics::update_contents()
 134 {
 135         PathValidator * path_validator = getPathValidator(dialog_->filename);
 136         if (path_validator)
 137                 path_validator->setChecker(kernel().docType(), lyxrc);
 138
 139         // clear and fill in the comboboxes
 140         vector<string> const bb_units = lyx::frontend::getBBUnits();
 141         dialog_->lbXunit->clear();
 142         dialog_->lbYunit->clear();
 143         dialog_->rtXunit->clear();
 144         dialog_->rtYunit->clear();
 145         for (vector<string>::const_iterator it = bb_units.begin();
 146             it != bb_units.end(); ++it) {
 147                 dialog_->lbXunit->insertItem(toqstr(*it), -1);
 148                 dialog_->lbYunit->insertItem(toqstr(*it), -1);
 149                 dialog_->rtXunit->insertItem(toqstr(*it), -1);
 150                 dialog_->rtYunit->insertItem(toqstr(*it), -1);
 151         }
 152
 153         InsetGraphicsParams & igp = controller().params();
 154
 155         // set the right default unit
 156         LyXLength::UNIT unitDefault = LyXLength::CM;
 157         switch (lyxrc.default_papersize) {
 158                 case PAPER_USLETTER:
 159                 case PAPER_USLEGAL:
 160                 case PAPER_USEXECUTIVE:
 161                         unitDefault = LyXLength::IN;
 162                         break;
 163                 default:
 164                         break;
 165         }
 166
 167         string const name =
 168                 igp.filename.outputFilename(kernel().bufferFilepath());
 169         dialog_->filename->setText(toqstr(name));
 170
 171         // set the bounding box values
 172         if (igp.bb.empty()) {
 173                 string const bb = controller().readBB(igp.filename.absFilename());
 174                 // the values from the file always have the bigpoint-unit bp
 175                 dialog_->lbX->setText(toqstr(token(bb, ' ', 0)));
 176                 dialog_->lbY->setText(toqstr(token(bb, ' ', 1)));
 177                 dialog_->rtX->setText(toqstr(token(bb, ' ', 2)));
 178                 dialog_->rtY->setText(toqstr(token(bb, ' ', 3)));
 179                 dialog_->lbXunit->setCurrentItem(0);
 180                 dialog_->lbYunit->setCurrentItem(0);
 181                 dialog_->rtXunit->setCurrentItem(0);
 182                 dialog_->rtYunit->setCurrentItem(0);
 183                 controller().bbChanged = false;
 184         } else {
 185                 // get the values from the inset
 186                 LyXLength anyLength;
 187                 string const xl(token(igp.bb, ' ', 0));
 188                 string const yl(token(igp.bb, ' ', 1));
 189                 string const xr(token(igp.bb, ' ', 2));
 190                 string const yr(token(igp.bb, ' ', 3));
 191                 if (isValidLength(xl, &anyLength)) {
 192                         dialog_->lbX->setText(toqstr(convert<string>(anyLength.value())));
 193                         string const unit(unit_name[anyLength.unit()]);
 194                         dialog_->lbXunit->setCurrentItem(getItemNo(bb_units, unit));
 195                 } else {
 196                         dialog_->lbX->setText(toqstr(xl));
 197                 }
 198                 if (isValidLength(yl, &anyLength)) {
 199                         dialog_->lbY->setText(toqstr(convert<string>(anyLength.value())));
 200                         string const unit(unit_name[anyLength.unit()]);
 201                         dialog_->lbYunit->setCurrentItem(getItemNo(bb_units, unit));
 202                 } else {
 203                         dialog_->lbY->setText(toqstr(xl));
 204                 }
 205                 if (isValidLength(xr, &anyLength)) {
 206                         dialog_->rtX->setText(toqstr(convert<string>(anyLength.value())));
 207                         string const unit(unit_name[anyLength.unit()]);
 208                         dialog_->rtXunit->setCurrentItem(getItemNo(bb_units, unit));
 209                 } else {
 210                         dialog_->rtX->setText(toqstr(xl));
 211                 }
 212                 if (isValidLength(yr, &anyLength)) {
 213                         dialog_->rtY->setText(toqstr(convert<string>(anyLength.value())));
 214                         string const unit(unit_name[anyLength.unit()]);
 215                         dialog_->rtYunit->setCurrentItem(getItemNo(bb_units, unit));
 216                 } else {
 217                         dialog_->rtY->setText(toqstr(xl));
 218                 }
 219                 controller().bbChanged = true;
 220         }
 221
 222         // Update the draft and clip mode
 223         dialog_->draftCB->setChecked(igp.draft);
 224         dialog_->clip->setChecked(igp.clip);
 225         dialog_->unzipCB->setChecked(igp.noUnzip);
 226
 227         // Update the subcaption check button and input field
 228         dialog_->subfigure->setChecked(igp.subcaption);
 229         dialog_->subcaption->setText(toqstr(igp.subcaptionText));
 230
 231         int item = 0;
 232         switch (igp.display) {
 233                 case lyx::graphics::DefaultDisplay: item = 0; break;
 234                 case lyx::graphics::MonochromeDisplay: item = 1; break;
 235                 case lyx::graphics::GrayscaleDisplay: item = 2; break;
 236                 case lyx::graphics::ColorDisplay: item = 3; break;
 237                 case lyx::graphics::NoDisplay: item = 0; break;
 238         }
 239         dialog_->showCB->setCurrentItem(item);
 240         dialog_->showCB->setEnabled(igp.display != lyx::graphics::NoDisplay && !readOnly());
 241         dialog_->displayCB->setChecked(igp.display != lyx::graphics::NoDisplay);
 242         dialog_->displayscale->setEnabled(igp.display != lyx::graphics::NoDisplay && !readOnly());
 243         dialog_->displayscale->setText(toqstr(convert<string>(igp.lyxscale)));
 244
 245         //// the output section (width/height)
 246         // set the length combo boxes
 247         // only the width has the possibility for scale%. The original
 248         // units are defined in lengthcommon.C
 249         // 1. the width (a listttype)
 250         dialog_->widthUnit->clear();
 251         dialog_->widthUnit->insertItem(qt_("Scale%"));
 252         for (int i = 0; i < num_units; i++)
 253                 dialog_->widthUnit->insertItem(unit_name_gui[i], -1);
 254
 255         if (!igp.scale.empty()
 256             && !float_equal(convert<double>(igp.scale), 0.0, 0.05)
 257             || igp.width.empty()) {
 258                 dialog_->Width->setText(toqstr(igp.scale));
 259                 dialog_->widthUnit->setCurrentItem(0);
 260         } else {
 261                 // no scale means default width/height
 262                 dialog_->Width->setText(toqstr(convert<string>(igp.width.value())));
 263                 // the width cannot have a unitDefault, because
 264                 // it is a "Scale%" or another user defined unit!
 265                 // +1 instead of the "Scale%" option
 266                 int unit_ = igp.width.unit();
 267                 dialog_->widthUnit->setCurrentItem(unit_ + 1);
 268         }
 269         // 2. the height (a lengthgcombo type)
 270         lengthToWidgets(dialog_->Height, dialog_->heightUnit,
 271                 igp.height.asString(), unitDefault);
 272
 273         // enable height input in case of non "Scale%" as width-unit
 274         bool use_height = (dialog_->widthUnit->currentItem() > 0);
 275         dialog_->Height->setEnabled(use_height);
 276         dialog_->heightUnit->setEnabled(use_height);
 277
 278         dialog_->aspectratio->setChecked(igp.keepAspectRatio);
 279
 280         dialog_->angle->setText(toqstr(igp.rotateAngle));
 281
 282         dialog_->origin->clear();
 283
 284         using namespace lyx::frontend;
 285         vector<RotationOriginPair> origindata = getRotationOriginData();
 286         vector<string> const origin_lang = getFirst(origindata);
 287         QGraphics::origin_ltx = getSecond(origindata);
 288
 289         for (vector<string>::const_iterator it = origin_lang.begin();
 290             it != origin_lang.end(); ++it)
 291                 dialog_->origin->insertItem(toqstr(*it), -1);
 292
 293         if (!igp.rotateOrigin.empty())
 294                 dialog_->origin->setCurrentItem(
 295                         getItemNo(origin_ltx, igp.rotateOrigin));
 296         else
 297                 dialog_->origin->setCurrentItem(0);
 298
 299         //// latex section
 300         dialog_->latexoptions->setText(toqstr(igp.special));
 301 }
 302
 303
 304 void QGraphics::apply()
 305 {
 306         InsetGraphicsParams & igp = controller().params();
 307
 308         igp.filename.set(fromqstr(dialog_->filename->text()),
 309                          kernel().bufferFilepath());
 310
 311         // the bb section
 312         igp.bb.erase();
 313         if (controller().bbChanged) {
 314                 string bb;
 315                 string lbX(fromqstr(dialog_->lbX->text()));
 316                 string lbY(fromqstr(dialog_->lbY->text()));
 317                 string rtX(fromqstr(dialog_->rtX->text()));
 318                 string rtY(fromqstr(dialog_->rtY->text()));
 319                 int bb_sum =
 320                         convert<int>(lbX) + convert<int>(lbY) +
 321                         convert<int>(rtX) + convert<int>(rtX);
 322                 if (bb_sum) {
 323                         if (lbX.empty())
 324                                 bb = "0 ";
 325                         else
 326                                 bb = lbX + fromqstr(dialog_->lbXunit->currentText()) + ' ';
 327                         if (lbY.empty())
 328                                 bb += "0 ";
 329                         else
 330                                 bb += (lbY + fromqstr(dialog_->lbYunit->currentText()) + ' ');
 331                         if (rtX.empty())
 332                                 bb += "0 ";
 333                         else
 334                                 bb += (rtX + fromqstr(dialog_->rtXunit->currentText()) + ' ');
 335                         if (rtY.empty())
 336                                 bb += '0';
 337                         else
 338                                 bb += (rtY + fromqstr(dialog_->rtYunit->currentText()));
 339                         igp.bb = bb;
 340                 }
 341         }
 342
 343         igp.draft = dialog_->draftCB->isChecked();
 344         igp.clip = dialog_->clip->isChecked();
 345         igp.subcaption = dialog_->subfigure->isChecked();
 346         igp.subcaptionText = fromqstr(dialog_->subcaption->text());
 347
 348         switch (dialog_->showCB->currentItem()) {
 349                 case 0: igp.display = lyx::graphics::DefaultDisplay; break;
 350                 case 1: igp.display = lyx::graphics::MonochromeDisplay; break;
 351                 case 2: igp.display = lyx::graphics::GrayscaleDisplay; break;
 352                 case 3: igp.display = lyx::graphics::ColorDisplay; break;
 353                 default:;
 354         }
 355
 356         if (!dialog_->displayCB->isChecked())
 357                 igp.display = lyx::graphics::NoDisplay;
 358
 359         string value = fromqstr(dialog_->Width->text());
 360         if (dialog_->widthUnit->currentItem() > 0 || isValidLength(value)) {
 361                 // width/height combination
 362                 igp.width =
 363                         widgetsToLength(dialog_->Width, dialog_->widthUnit);
 364                 igp.scale = string();
 365         } else {
 366                 // scaling instead of a width
 367                 igp.scale = value;
 368                 igp.width = LyXLength();
 369         }
 370         value = fromqstr(dialog_->Height->text());
 371         igp.height =
 372                 LyXLength(widgetsToLength(dialog_->Height, dialog_->heightUnit));
 373
 374         igp.keepAspectRatio = dialog_->aspectratio->isChecked();
 375
 376         igp.noUnzip = dialog_->unzipCB->isChecked();
 377
 378         igp.lyxscale = convert<int>(fromqstr(dialog_->displayscale->text()));
 379
 380         igp.rotateAngle = fromqstr(dialog_->angle->text());
 381
 382         double rotAngle = convert<double>(igp.rotateAngle);
 383         if (std::abs(rotAngle) > 360.0) {
 384                 rotAngle -= 360.0 * floor(rotAngle / 360.0);
 385                 igp.rotateAngle = convert<string>(rotAngle);
 386         }
 387
 388         // save the latex name for the origin. If it is the default
 389         // then origin_ltx returns ""
 390         igp.rotateOrigin =
 391                 QGraphics::origin_ltx[dialog_->origin->currentItem()];
 392
 393         // more latex options
 394         igp.special = fromqstr(dialog_->latexoptions->text());
 395 }
 396
 397
 398 void QGraphics::getBB()
 399 {
 400         string const filename(fromqstr(dialog_->filename->text()));
 401         if (!filename.empty()) {
 402                 string const bb(controller().readBB(filename));
 403                 if (!bb.empty()) {
 404                         dialog_->lbX->setText(toqstr(token(bb, ' ', 0)));
 405                         dialog_->lbY->setText(toqstr(token(bb, ' ', 1)));
 406                         dialog_->rtX->setText(toqstr(token(bb, ' ', 2)));
 407                         dialog_->rtY->setText(toqstr(token(bb, ' ', 3)));
 408                         // the default units for the bb values when reading
 409                         // it from the file
 410                         dialog_->lbXunit->setCurrentItem(0);
 411                         dialog_->lbYunit->setCurrentItem(0);
 412                         dialog_->rtXunit->setCurrentItem(0);
 413                         dialog_->rtYunit->setCurrentItem(0);
 414                 }
 415                 controller().bbChanged = false;
 416         }
 417 }
 418
 419
 420 bool QGraphics::isValid()
 421 {
 422         return !dialog_->filename->text().isEmpty();
 423 }
 424
 425 } // namespace frontend
 426 } // namespace lyx