src/frontends/qt3/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 <qgroupbox.h>
  40 #include <qlabel.h>
  41
  42 #include <cmath>
  43
  44 using lyx::support::float_equal;
  45 using lyx::support::token;
  46
  47 #ifndef CXX_GLOBAL_CSTD
  48 using std::floor;
  49 #endif
  50
  51 using std::vector;
  52 using std::string;
  53
  54 namespace lyx {
  55 namespace frontend {
  56
  57 typedef QController<ControlGraphics, QView<QGraphicsDialog> > base_class;
  58
  59 QGraphics::QGraphics(Dialog & parent)
  60         : base_class(parent, _("Graphics"))
  61 {
  62 }
  63
  64
  65 void QGraphics::build_dialog()
  66 {
  67         dialog_.reset(new QGraphicsDialog(this));
  68
  69         bcview().setOK(dialog_->okPB);
  70         bcview().setApply(dialog_->applyPB);
  71         bcview().setRestore(dialog_->restorePB);
  72         bcview().setCancel(dialog_->closePB);
  73
  74         bcview().addReadOnly(dialog_->rotateGB);
  75         bcview().addReadOnly(dialog_->latexoptions);
  76         bcview().addReadOnly(dialog_->subfigure);
  77         bcview().addReadOnly(dialog_->subcaption);
  78         bcview().addReadOnly(dialog_->filenameL);
  79         bcview().addReadOnly(dialog_->filename);
  80         bcview().addReadOnly(dialog_->browsePB);
  81         bcview().addReadOnly(dialog_->unzipCB);
  82         bcview().addReadOnly(dialog_->filename);
  83         bcview().addReadOnly(dialog_->lbX);
  84         bcview().addReadOnly(dialog_->lbY);
  85         bcview().addReadOnly(dialog_->rtX);
  86         bcview().addReadOnly(dialog_->rtY);
  87         bcview().addReadOnly(dialog_->lbXunit);
  88         bcview().addReadOnly(dialog_->lbYunit);
  89         bcview().addReadOnly(dialog_->rtXunit);
  90         bcview().addReadOnly(dialog_->rtYunit);
  91         bcview().addReadOnly(dialog_->draftCB);
  92         bcview().addReadOnly(dialog_->clip);
  93         bcview().addReadOnly(dialog_->unzipCB);
  94         bcview().addReadOnly(dialog_->subfigure);
  95         bcview().addReadOnly(dialog_->subcaption);
  96         bcview().addReadOnly(dialog_->showCB);
  97         bcview().addReadOnly(dialog_->width);
  98         bcview().addReadOnly(dialog_->height);
  99         bcview().addReadOnly(dialog_->displayCB);
 100         bcview().addReadOnly(dialog_->displayscale);
 101         bcview().addReadOnly(dialog_->widthUnit);
 102         bcview().addReadOnly(dialog_->heightUnit);
 103         bcview().addReadOnly(dialog_->aspectratio);
 104         bcview().addReadOnly(dialog_->angle);
 105         bcview().addReadOnly(dialog_->origin);
 106         bcview().addReadOnly(dialog_->latexoptions);
 107         bcview().addReadOnly(dialog_->getPB);
 108
 109         // initialize the length validator
 110         addCheckedLineEdit(bcview(), dialog_->width, dialog_->sizewidthL_2);
 111         addCheckedLineEdit(bcview(), dialog_->height, dialog_->sizeheightL_2);
 112         addCheckedLineEdit(bcview(), dialog_->displayscale, dialog_->scaleLA);
 113         addCheckedLineEdit(bcview(), dialog_->angle, dialog_->angleL_2);
 114         addCheckedLineEdit(bcview(), dialog_->lbX, dialog_->xL);
 115         addCheckedLineEdit(bcview(), dialog_->lbY, dialog_->yL);
 116         addCheckedLineEdit(bcview(), dialog_->rtX, dialog_->xL_2);
 117         addCheckedLineEdit(bcview(), dialog_->rtY, dialog_->yL_2);
 118         addCheckedLineEdit(bcview(), dialog_->filename, dialog_->filenameL);
 119 }
 120
 121
 122 namespace {
 123
 124 // returns the number of the string s in the vector v
 125 int getItemNo(vector<string> v, string const & s) {
 126         vector<string>::const_iterator cit =
 127                     find(v.begin(), v.end(), s);
 128         return (cit != v.end()) ? int(cit - v.begin()) : 0;
 129 }
 130
 131 }
 132
 133
 134 void QGraphics::update_contents()
 135 {
 136         PathValidator * path_validator = getPathValidator(dialog_->filename);
 137         if (path_validator)
 138                 path_validator->setChecker(kernel().docType(), lyxrc);
 139
 140         // clear and fill in the comboboxes
 141         vector<string> const bb_units = lyx::frontend::getBBUnits();
 142         dialog_->lbXunit->clear();
 143         dialog_->lbYunit->clear();
 144         dialog_->rtXunit->clear();
 145         dialog_->rtYunit->clear();
 146         for (vector<string>::const_iterator it = bb_units.begin();
 147             it != bb_units.end(); ++it) {
 148                 dialog_->lbXunit->insertItem(toqstr(*it), -1);
 149                 dialog_->lbYunit->insertItem(toqstr(*it), -1);
 150                 dialog_->rtXunit->insertItem(toqstr(*it), -1);
 151                 dialog_->rtYunit->insertItem(toqstr(*it), -1);
 152         }
 153
 154         InsetGraphicsParams & igp = controller().params();
 155
 156         // set the right default unit
 157         LyXLength::UNIT unitDefault = LyXLength::CM;
 158         switch (lyxrc.default_papersize) {
 159                 case PAPER_USLETTER:
 160                 case PAPER_USLEGAL:
 161                 case PAPER_USEXECUTIVE:
 162                         unitDefault = LyXLength::IN;
 163                         break;
 164                 default:
 165                         break;
 166         }
 167
 168         string const name =
 169                 igp.filename.outputFilename(kernel().bufferFilepath());
 170         dialog_->filename->setText(toqstr(name));
 171
 172         // set the bounding box values
 173         if (igp.bb.empty()) {
 174                 string const bb = controller().readBB(igp.filename.absFilename());
 175                 // the values from the file always have the bigpoint-unit bp
 176                 dialog_->lbX->setText(toqstr(token(bb, ' ', 0)));
 177                 dialog_->lbY->setText(toqstr(token(bb, ' ', 1)));
 178                 dialog_->rtX->setText(toqstr(token(bb, ' ', 2)));
 179                 dialog_->rtY->setText(toqstr(token(bb, ' ', 3)));
 180                 dialog_->lbXunit->setCurrentItem(0);
 181                 dialog_->lbYunit->setCurrentItem(0);
 182                 dialog_->rtXunit->setCurrentItem(0);
 183                 dialog_->rtYunit->setCurrentItem(0);
 184                 controller().bbChanged = false;
 185         } else {
 186                 // get the values from the inset
 187                 LyXLength anyLength;
 188                 string const xl(token(igp.bb, ' ', 0));
 189                 string const yl(token(igp.bb, ' ', 1));
 190                 string const xr(token(igp.bb, ' ', 2));
 191                 string const yr(token(igp.bb, ' ', 3));
 192                 if (isValidLength(xl, &anyLength)) {
 193                         dialog_->lbX->setText(toqstr(convert<string>(anyLength.value())));
 194                         string const unit(unit_name[anyLength.unit()]);
 195                         dialog_->lbXunit->setCurrentItem(getItemNo(bb_units, unit));
 196                 } else {
 197                         dialog_->lbX->setText(toqstr(xl));
 198                 }
 199                 if (isValidLength(yl, &anyLength)) {
 200                         dialog_->lbY->setText(toqstr(convert<string>(anyLength.value())));
 201                         string const unit(unit_name[anyLength.unit()]);
 202                         dialog_->lbYunit->setCurrentItem(getItemNo(bb_units, unit));
 203                 } else {
 204                         dialog_->lbY->setText(toqstr(xl));
 205                 }
 206                 if (isValidLength(xr, &anyLength)) {
 207                         dialog_->rtX->setText(toqstr(convert<string>(anyLength.value())));
 208                         string const unit(unit_name[anyLength.unit()]);
 209                         dialog_->rtXunit->setCurrentItem(getItemNo(bb_units, unit));
 210                 } else {
 211                         dialog_->rtX->setText(toqstr(xl));
 212                 }
 213                 if (isValidLength(yr, &anyLength)) {
 214                         dialog_->rtY->setText(toqstr(convert<string>(anyLength.value())));
 215                         string const unit(unit_name[anyLength.unit()]);
 216                         dialog_->rtYunit->setCurrentItem(getItemNo(bb_units, unit));
 217                 } else {
 218                         dialog_->rtY->setText(toqstr(xl));
 219                 }
 220                 controller().bbChanged = true;
 221         }
 222
 223         // Update the draft and clip mode
 224         dialog_->draftCB->setChecked(igp.draft);
 225         dialog_->clip->setChecked(igp.clip);
 226         dialog_->unzipCB->setChecked(igp.noUnzip);
 227
 228         // Update the subcaption check button and input field
 229         dialog_->subfigure->setChecked(igp.subcaption);
 230         dialog_->subcaption->setText(toqstr(igp.subcaptionText));
 231
 232         int item = 0;
 233         switch (igp.display) {
 234                 case lyx::graphics::DefaultDisplay: item = 0; break;
 235                 case lyx::graphics::MonochromeDisplay: item = 1; break;
 236                 case lyx::graphics::GrayscaleDisplay: item = 2; break;
 237                 case lyx::graphics::ColorDisplay: item = 3; break;
 238                 case lyx::graphics::NoDisplay: item = 0; break;
 239         }
 240         dialog_->showCB->setCurrentItem(item);
 241         dialog_->showCB->setEnabled(igp.display != lyx::graphics::NoDisplay && !readOnly());
 242         dialog_->displayCB->setChecked(igp.display != lyx::graphics::NoDisplay);
 243         dialog_->displayscale->setEnabled(igp.display != lyx::graphics::NoDisplay && !readOnly());
 244         dialog_->displayscale->setText(toqstr(convert<string>(igp.lyxscale)));
 245
 246         //// the output section (width/height)
 247         // set the length combo boxes
 248         // only the width has the possibility for scale%. The original
 249         // units are defined in lengthcommon.C
 250         // 1. the width (a listttype)
 251         dialog_->widthUnit->clear();
 252         dialog_->widthUnit->insertItem(qt_("Scale%"));
 253         for (int i = 0; i < num_units; i++)
 254                 dialog_->widthUnit->insertItem(unit_name_gui[i], -1);
 255
 256         if (!igp.scale.empty()
 257             && !float_equal(convert<double>(igp.scale), 0.0, 0.05)
 258             || igp.width.empty()) {
 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