src/frontends/qt2/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
  23 #include "lengthcommon.h"
  24 #include "lyxrc.h"
  25
  26 #include "controllers/ControlGraphics.h"
  27 #include "controllers/helper_funcs.h"
  28
  29 #include "insets/insetgraphicsParams.h"
  30
  31 #include "support/convert.h"
  32 #include "support/lstrings.h"
  33 #include "support/lyxlib.h"
  34
  35 #include <qlineedit.h>
  36 #include <qpushbutton.h>
  37 #include <qcheckbox.h>
  38 #include <qgroupbox.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, _("LyX: 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 }
 118
 119
 120 namespace {
 121
 122 // returns the number of the string s in the vector v
 123 int getItemNo(vector<string> v, string const & s) {
 124         vector<string>::const_iterator cit =
 125                     find(v.begin(), v.end(), s);
 126         return (cit != v.end()) ? int(cit - v.begin()) : 0;
 127 }
 128
 129 }
 130
 131
 132 void QGraphics::update_contents()
 133 {
 134         // clear and fill in the comboboxes
 135         vector<string> const bb_units = lyx::frontend::getBBUnits();
 136         dialog_->lbXunit->clear();
 137         dialog_->lbYunit->clear();
 138         dialog_->rtXunit->clear();
 139         dialog_->rtYunit->clear();
 140         for (vector<string>::const_iterator it = bb_units.begin();
 141             it != bb_units.end(); ++it) {
 142                 dialog_->lbXunit->insertItem(toqstr(*it), -1);
 143                 dialog_->lbYunit->insertItem(toqstr(*it), -1);
 144                 dialog_->rtXunit->insertItem(toqstr(*it), -1);
 145                 dialog_->rtYunit->insertItem(toqstr(*it), -1);
 146         }
 147
 148         InsetGraphicsParams & igp = controller().params();
 149
 150         // set the right default unit
 151         LyXLength::UNIT unitDefault = LyXLength::CM;
 152         switch (lyxrc.default_papersize) {
 153                 case PAPER_DEFAULT: break;
 154
 155                 case PAPER_USLETTER:
 156                 case PAPER_LEGALPAPER:
 157                 case PAPER_EXECUTIVEPAPER:
 158                         unitDefault = LyXLength::IN;
 159                         break;
 160
 161                 case PAPER_A3PAPER:
 162                 case PAPER_A4PAPER:
 163                 case PAPER_A5PAPER:
 164                 case PAPER_B5PAPER:
 165                         unitDefault = LyXLength::CM;
 166                         break;
 167         }
 168
 169         string const name =
 170                 igp.filename.outputFilename(kernel().bufferFilepath());
 171         dialog_->filename->setText(toqstr(name));
 172
 173         // set the bounding box values
 174         if (igp.bb.empty()) {
 175                 string const bb = controller().readBB(igp.filename.absFilename());
 176                 // the values from the file always have the bigpoint-unit bp
 177                 dialog_->lbX->setText(toqstr(token(bb, ' ', 0)));
 178                 dialog_->lbY->setText(toqstr(token(bb, ' ', 1)));
 179                 dialog_->rtX->setText(toqstr(token(bb, ' ', 2)));
 180                 dialog_->rtY->setText(toqstr(token(bb, ' ', 3)));
 181                 dialog_->lbXunit->setCurrentItem(0);
 182                 dialog_->lbYunit->setCurrentItem(0);
 183                 dialog_->rtXunit->setCurrentItem(0);
 184                 dialog_->rtYunit->setCurrentItem(0);
 185                 controller().bbChanged = false;
 186         } else {
 187                 // get the values from the inset
 188                 LyXLength anyLength;
 189                 string const xl(token(igp.bb, ' ', 0));
 190                 string const yl(token(igp.bb, ' ', 1));
 191                 string const xr(token(igp.bb, ' ', 2));
 192                 string const yr(token(igp.bb, ' ', 3));
 193                 if (isValidLength(xl, &anyLength)) {
 194                         dialog_->lbX->setText(toqstr(convert<string>(anyLength.value())));
 195                         string const unit(unit_name[anyLength.unit()]);
 196                         dialog_->lbXunit->setCurrentItem(getItemNo(bb_units, unit));
 197                 } else {
 198                         dialog_->lbX->setText(toqstr(xl));
 199                 }
 200                 if (isValidLength(yl, &anyLength)) {
 201                         dialog_->lbY->setText(toqstr(convert<string>(anyLength.value())));
 202                         string const unit(unit_name[anyLength.unit()]);
 203                         dialog_->lbYunit->setCurrentItem(getItemNo(bb_units, unit));
 204                 } else {
 205                         dialog_->lbY->setText(toqstr(xl));
 206                 }
 207                 if (isValidLength(xr, &anyLength)) {
 208                         dialog_->rtX->setText(toqstr(convert<string>(anyLength.value())));
 209                         string const unit(unit_name[anyLength.unit()]);
 210                         dialog_->rtXunit->setCurrentItem(getItemNo(bb_units, unit));
 211                 } else {
 212                         dialog_->rtX->setText(toqstr(xl));
 213                 }
 214                 if (isValidLength(yr, &anyLength)) {
 215                         dialog_->rtY->setText(toqstr(convert<string>(anyLength.value())));
 216                         string const unit(unit_name[anyLength.unit()]);
 217                         dialog_->rtYunit->setCurrentItem(getItemNo(bb_units, unit));
 218                 } else {
 219                         dialog_->rtY->setText(toqstr(xl));
 220                 }
 221                 controller().bbChanged = true;
 222         }
 223
 224         // Update the draft and clip mode
 225         dialog_->draftCB->setChecked(igp.draft);
 226         dialog_->clip->setChecked(igp.clip);
 227         dialog_->unzipCB->setChecked(igp.noUnzip);
 228
 229         // Update the subcaption check button and input field
 230         dialog_->subfigure->setChecked(igp.subcaption);
 231         dialog_->subcaption->setText(toqstr(igp.subcaptionText));
 232
 233         int item = 0;
 234         switch (igp.display) {
 235                 case lyx::graphics::DefaultDisplay: item = 0; break;
 236                 case lyx::graphics::MonochromeDisplay: item = 1; break;
 237                 case lyx::graphics::GrayscaleDisplay: item = 2; break;
 238                 case lyx::graphics::ColorDisplay: item = 3; break;
 239                 case lyx::graphics::NoDisplay: item = 0; break;
 240         }
 241         dialog_->showCB->setCurrentItem(item);
 242         dialog_->showCB->setEnabled(igp.display != lyx::graphics::NoDisplay && !readOnly());
 243         dialog_->displayCB->setChecked(igp.display != lyx::graphics::NoDisplay);
 244         dialog_->displayscale->setEnabled(igp.display != lyx::graphics::NoDisplay && !readOnly());
 245         dialog_->displayscale->setText(toqstr(convert<string>(igp.lyxscale)));
 246
 247         //// the output section (width/height)
 248         // set the length combo boxes
 249         // only the width has the possibility for scale%. The original
 250         // units are defined in lengthcommon.C
 251         // 1. the width (a listttype)
 252         dialog_->widthUnit->clear();
 253         dialog_->widthUnit->insertItem(qt_("Scale%"));
 254         for (int i = 0; i < num_units; i++)
 255                 dialog_->widthUnit->insertItem(unit_name_gui[i], -1);
 256
 257         if (!igp.scale.empty()
 258                 && !float_equal(convert<double>(igp.scale), 0.0, 0.05)) {
 259                 dialog_->width->setText(toqstr(igp.scale));
 260                 dialog_->widthUnit->setCurrentItem(0);
 261         } else {
 262                 // no scale means default width/height
 263                 dialog_->width->setText(toqstr(convert<string>(igp.width.value())));
 264                 // the width cannot have a unitDefault, because
 265                 // it is a "Scale%" or another user defined unit!
 266                 // +1 instead of the "Scale%" option
 267                 int unit_ = igp.width.unit();
 268                 dialog_->widthUnit->setCurrentItem(unit_ + 1);
 269         }
 270         // 2. the height (a lengthgcombo type)
 271         lengthToWidgets(dialog_->height, dialog_->heightUnit,
 272                 igp.height.asString(), unitDefault);
 273
 274         // enable height input in case of non "Scale%" as width-unit
 275         bool use_height = (dialog_->widthUnit->currentItem() > 0);
 276         dialog_->height->setEnabled(use_height);
 277         dialog_->heightUnit->setEnabled(use_height);
 278
 279         dialog_->aspectratio->setChecked(igp.keepAspectRatio);
 280
 281         dialog_->angle->setText(toqstr(igp.rotateAngle));
 282
 283         dialog_->origin->clear();
 284
 285         using namespace lyx::frontend;
 286         vector<RotationOriginPair> origindata = getRotationOriginData();
 287         vector<string> const origin_lang = getFirst(origindata);
 288         QGraphics::origin_ltx = getSecond(origindata);
 289
 290         for (vector<string>::const_iterator it = origin_lang.begin();
 291             it != origin_lang.end(); ++it)
 292                 dialog_->origin->insertItem(toqstr(*it), -1);
 293
 294         if (!igp.rotateOrigin.empty())
 295                 dialog_->origin->setCurrentItem(
 296                         getItemNo(origin_ltx, igp.rotateOrigin));
 297         else
 298                 dialog_->origin->setCurrentItem(0);
 299
 300         //// latex section
 301         dialog_->latexoptions->setText(toqstr(igp.special));
 302 }
 303
 304
 305 void QGraphics::apply()
 306 {
 307         InsetGraphicsParams & igp = controller().params();
 308
 309         igp.filename.set(fromqstr(dialog_->filename->text()),
 310                          kernel().bufferFilepath());
 311
 312         // the bb section
 313         igp.bb.erase();
 314         if (controller().bbChanged) {
 315                 string bb;
 316                 string lbX(fromqstr(dialog_->lbX->text()));
 317                 string lbY(fromqstr(dialog_->lbY->text()));
 318                 string rtX(fromqstr(dialog_->rtX->text()));
 319                 string rtY(fromqstr(dialog_->rtY->text()));
 320                 int bb_sum =
 321                         convert<int>(lbX) + convert<int>(lbY) +
 322                         convert<int>(rtX) + convert<int>(rtX);
 323                 if (bb_sum) {
 324                         if (lbX.empty())
 325                                 bb = "0 ";
 326                         else
 327                                 bb = lbX + fromqstr(dialog_->lbXunit->currentText()) + ' ';
 328                         if (lbY.empty())
 329                                 bb += "0 ";
 330                         else
 331                                 bb += (lbY + fromqstr(dialog_->lbYunit->currentText()) + ' ');
 332                         if (rtX.empty())
 333                                 bb += "0 ";
 334                         else
 335                                 bb += (rtX + fromqstr(dialog_->rtXunit->currentText()) + ' ');
 336                         if (rtY.empty())
 337                                 bb += '0';
 338                         else
 339                                 bb += (rtY + fromqstr(dialog_->rtYunit->currentText()));
 340                         igp.bb = bb;
 341                 }
 342         }
 343
 344         igp.draft = dialog_->draftCB->isChecked();
 345         igp.clip = dialog_->clip->isChecked();
 346         igp.subcaption = dialog_->subfigure->isChecked();
 347         igp.subcaptionText = fromqstr(dialog_->subcaption->text());
 348
 349         switch (dialog_->showCB->currentItem()) {
 350                 case 0: igp.display = lyx::graphics::DefaultDisplay; break;
 351                 case 1: igp.display = lyx::graphics::MonochromeDisplay; break;
 352                 case 2: igp.display = lyx::graphics::GrayscaleDisplay; break;
 353                 case 3: igp.display = lyx::graphics::ColorDisplay; break;
 354                 default:;
 355         }
 356
 357         if (!dialog_->displayCB->isChecked())
 358                 igp.display = lyx::graphics::NoDisplay;
 359
 360         string value = fromqstr(dialog_->width->text());
 361         if (dialog_->widthUnit->currentItem() > 0 || isValidLength(value)) {
 362                 // width/height combination
 363                 igp.width =
 364                         widgetsToLength(dialog_->width, dialog_->widthUnit);
 365                 igp.scale = string();
 366         } else {
 367                 // scaling instead of a width
 368                 igp.scale = value;
 369                 igp.width = LyXLength();
 370         }
 371         value = fromqstr(dialog_->height->text());
 372         igp.height =
 373                 LyXLength(widgetsToLength(dialog_->height, dialog_->heightUnit));
 374
 375         igp.keepAspectRatio = dialog_->aspectratio->isChecked();
 376
 377         igp.noUnzip = dialog_->unzipCB->isChecked();
 378
 379         igp.lyxscale = convert<int>(fromqstr(dialog_->displayscale->text()));
 380
 381         igp.rotateAngle = fromqstr(dialog_->angle->text());
 382
 383         double rotAngle = convert<double>(igp.rotateAngle);
 384         if (std::abs(rotAngle) > 360.0) {
 385                 rotAngle -= 360.0 * floor(rotAngle / 360.0);
 386                 igp.rotateAngle = convert<string>(rotAngle);
 387         }
 388
 389         // save the latex name for the origin. If it is the default
 390         // then origin_ltx returns ""
 391         igp.rotateOrigin =
 392                 QGraphics::origin_ltx[dialog_->origin->currentItem()];
 393
 394         // more latex options
 395         igp.special = fromqstr(dialog_->latexoptions->text());
 396 }
 397
 398
 399 void QGraphics::getBB()
 400 {
 401         string const filename(fromqstr(dialog_->filename->text()));
 402         if (!filename.empty()) {
 403                 string const bb(controller().readBB(filename));
 404                 if (!bb.empty()) {
 405                         dialog_->lbX->setText(toqstr(token(bb, ' ', 0)));
 406                         dialog_->lbY->setText(toqstr(token(bb, ' ', 1)));
 407                         dialog_->rtX->setText(toqstr(token(bb, ' ', 2)));
 408                         dialog_->rtY->setText(toqstr(token(bb, ' ', 3)));
 409                         // the default units for the bb values when reading
 410                         // it from the file
 411                         dialog_->lbXunit->setCurrentItem(0);
 412                         dialog_->lbYunit->setCurrentItem(0);
 413                         dialog_->rtXunit->setCurrentItem(0);
 414                         dialog_->rtYunit->setCurrentItem(0);
 415                 }
 416                 controller().bbChanged = false;
 417         }
 418 }
 419
 420
 421 bool QGraphics::isValid()
 422 {
 423         return !dialog_->filename->text().isEmpty();
 424 }
 425
 426 } // namespace frontend
 427 } // namespace lyx