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>
  37 #include <QPushButton>
  38 #include <QCheckBox>
  39 #include <QLabel>
  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_->latexoptions);
  74         bcview().addReadOnly(dialog_->subfigure);
  75         bcview().addReadOnly(dialog_->filenameL);
  76         bcview().addReadOnly(dialog_->filename);
  77         bcview().addReadOnly(dialog_->browsePB);
  78         bcview().addReadOnly(dialog_->unzipCB);
  79         bcview().addReadOnly(dialog_->filename);
  80         bcview().addReadOnly(dialog_->bbFrame);
  81         bcview().addReadOnly(dialog_->draftCB);
  82         bcview().addReadOnly(dialog_->clip);
  83         bcview().addReadOnly(dialog_->unzipCB);
  84         bcview().addReadOnly(dialog_->displayGB);
  85         bcview().addReadOnly(dialog_->sizeGB);
  86         bcview().addReadOnly(dialog_->rotationGB);
  87         bcview().addReadOnly(dialog_->latexoptions);
  88         bcview().addReadOnly(dialog_->getPB);
  89
  90         // initialize the length validator
  91         addCheckedLineEdit(bcview(), dialog_->Width, dialog_->widthL);
  92         addCheckedLineEdit(bcview(), dialog_->Height, dialog_->heightL);
  93         addCheckedLineEdit(bcview(), dialog_->displayscale, dialog_->scaleLA);
  94         addCheckedLineEdit(bcview(), dialog_->angle, dialog_->angleL);
  95         addCheckedLineEdit(bcview(), dialog_->lbX, dialog_->xL);
  96         addCheckedLineEdit(bcview(), dialog_->lbY, dialog_->yL);
  97         addCheckedLineEdit(bcview(), dialog_->rtX, dialog_->xL_2);
  98         addCheckedLineEdit(bcview(), dialog_->rtY, dialog_->yL_2);
  99         addCheckedLineEdit(bcview(), dialog_->filename, dialog_->filenameL);
 100 }
 101
 102
 103 namespace {
 104
 105 // returns the number of the string s in the vector v
 106 int getItemNo(vector<string> v, string const & s) {
 107         vector<string>::const_iterator cit =
 108                     find(v.begin(), v.end(), s);
 109         return (cit != v.end()) ? int(cit - v.begin()) : 0;
 110 }
 111
 112 }
 113
 114
 115 void QGraphics::update_contents()
 116 {
 117         PathValidator * path_validator = getPathValidator(dialog_->filename);
 118         if (path_validator)
 119                 path_validator->setChecker(kernel().docType(), lyxrc);
 120
 121         // clear and fill in the comboboxes
 122         vector<string> const bb_units = frontend::getBBUnits();
 123         dialog_->lbXunit->clear();
 124         dialog_->lbYunit->clear();
 125         dialog_->rtXunit->clear();
 126         dialog_->rtYunit->clear();
 127         for (vector<string>::const_iterator it = bb_units.begin();
 128             it != bb_units.end(); ++it) {
 129                 dialog_->lbXunit->addItem(toqstr(*it));
 130                 dialog_->lbYunit->addItem(toqstr(*it));
 131                 dialog_->rtXunit->addItem(toqstr(*it));
 132                 dialog_->rtYunit->addItem(toqstr(*it));
 133         }
 134
 135         InsetGraphicsParams & igp = controller().params();
 136
 137         // set the right default unit
 138         LyXLength::UNIT unitDefault = LyXLength::CM;
 139         switch (lyxrc.default_papersize) {
 140                 case PAPER_USLETTER:
 141                 case PAPER_USLEGAL:
 142                 case PAPER_USEXECUTIVE:
 143                         unitDefault = LyXLength::IN;
 144                         break;
 145                 default:
 146                         break;
 147         }
 148
 149         string const name =
 150                 igp.filename.outputFilename(kernel().bufferFilepath());
 151         dialog_->filename->setText(toqstr(name));
 152
 153         // set the bounding box values
 154         if (igp.bb.empty()) {
 155                 string const bb = controller().readBB(igp.filename.absFilename());
 156                 // the values from the file always have the bigpoint-unit bp
 157                 dialog_->lbX->setText(toqstr(token(bb, ' ', 0)));
 158                 dialog_->lbY->setText(toqstr(token(bb, ' ', 1)));
 159                 dialog_->rtX->setText(toqstr(token(bb, ' ', 2)));
 160                 dialog_->rtY->setText(toqstr(token(bb, ' ', 3)));
 161                 dialog_->lbXunit->setCurrentIndex(0);
 162                 dialog_->lbYunit->setCurrentIndex(0);
 163                 dialog_->rtXunit->setCurrentIndex(0);
 164                 dialog_->rtYunit->setCurrentIndex(0);
 165                 controller().bbChanged = false;
 166         } else {
 167                 // get the values from the inset
 168                 LyXLength anyLength;
 169                 string const xl(token(igp.bb, ' ', 0));
 170                 string const yl(token(igp.bb, ' ', 1));
 171                 string const xr(token(igp.bb, ' ', 2));
 172                 string const yr(token(igp.bb, ' ', 3));
 173                 if (isValidLength(xl, &anyLength)) {
 174                         dialog_->lbX->setText(toqstr(convert<string>(anyLength.value())));
 175                         string const unit(unit_name[anyLength.unit()]);
 176                         dialog_->lbXunit->setCurrentIndex(getItemNo(bb_units, unit));
 177                 } else {
 178                         dialog_->lbX->setText(toqstr(xl));
 179                 }
 180                 if (isValidLength(yl, &anyLength)) {
 181                         dialog_->lbY->setText(toqstr(convert<string>(anyLength.value())));
 182                         string const unit(unit_name[anyLength.unit()]);
 183                         dialog_->lbYunit->setCurrentIndex(getItemNo(bb_units, unit));
 184                 } else {
 185                         dialog_->lbY->setText(toqstr(xl));
 186                 }
 187                 if (isValidLength(xr, &anyLength)) {
 188                         dialog_->rtX->setText(toqstr(convert<string>(anyLength.value())));
 189                         string const unit(unit_name[anyLength.unit()]);
 190                         dialog_->rtXunit->setCurrentIndex(getItemNo(bb_units, unit));
 191                 } else {
 192                         dialog_->rtX->setText(toqstr(xl));
 193                 }
 194                 if (isValidLength(yr, &anyLength)) {
 195                         dialog_->rtY->setText(toqstr(convert<string>(anyLength.value())));
 196                         string const unit(unit_name[anyLength.unit()]);
 197                         dialog_->rtYunit->setCurrentIndex(getItemNo(bb_units, unit));
 198                 } else {
 199                         dialog_->rtY->setText(toqstr(xl));
 200                 }
 201                 controller().bbChanged = true;
 202         }
 203
 204         // Update the draft and clip mode
 205         dialog_->draftCB->setChecked(igp.draft);
 206         dialog_->clip->setChecked(igp.clip);
 207         dialog_->unzipCB->setChecked(igp.noUnzip);
 208
 209         // Update the subcaption check button and input field
 210         dialog_->subfigure->setChecked(igp.subcaption);
 211         dialog_->subcaption->setText(toqstr(igp.subcaptionText));
 212
 213         int item = 0;
 214         switch (igp.display) {
 215                 case graphics::DefaultDisplay: item = 0; break;
 216                 case graphics::MonochromeDisplay: item = 1; break;
 217                 case graphics::GrayscaleDisplay: item = 2; break;
 218                 case graphics::ColorDisplay: item = 3; break;
 219                 case graphics::NoDisplay: item = 0; break;
 220         }
 221         dialog_->showCB->setCurrentIndex(item);
 222         dialog_->displayscale->setText(toqstr(convert<string>(igp.lyxscale)));
 223         dialog_->displayGB->setChecked(igp.display != graphics::NoDisplay);
 224
 225         // the output section (width/height)
 226         dialog_->Scale->setText(toqstr(igp.scale));
 227
 228         lengthToWidgets(dialog_->Width, dialog_->widthUnit,
 229                 igp.width.asString(), unitDefault);
 230
 231         lengthToWidgets(dialog_->Height, dialog_->heightUnit,
 232                 igp.height.asString(), unitDefault);
 233
 234         dialog_->aspectratio->setChecked(igp.keepAspectRatio);
 235
 236         dialog_->scaleCB->setChecked(!igp.scale.empty() || igp.width.empty());
 237
 238         dialog_->Scale->setEnabled(!igp.scale.empty() || igp.width.empty());
 239
 240         dialog_->angle->setText(toqstr(igp.rotateAngle));
 241
 242         dialog_->origin->clear();
 243
 244         using namespace frontend;
 245         vector<RotationOriginPair> origindata = getRotationOriginData();
 246         vector<string> const origin_lang = getFirst(origindata);
 247         QGraphics::origin_ltx = getSecond(origindata);
 248
 249         for (vector<string>::const_iterator it = origin_lang.begin();
 250             it != origin_lang.end(); ++it)
 251                 dialog_->origin->addItem(toqstr(*it));
 252
 253         if (!igp.rotateOrigin.empty())
 254                 dialog_->origin->setCurrentIndex(
 255                         getItemNo(origin_ltx, igp.rotateOrigin));
 256         else
 257                 dialog_->origin->setCurrentIndex(0);
 258
 259         // disable edit button when no filename is present
 260         dialog_->editPB->setDisabled(dialog_->filename->text().isEmpty());
 261
 262         //// latex section
 263         dialog_->latexoptions->setText(toqstr(igp.special));
 264 }
 265
 266
 267 void QGraphics::apply()
 268 {
 269         InsetGraphicsParams & igp = controller().params();
 270
 271         igp.filename.set(fromqstr(dialog_->filename->text()),
 272                          kernel().bufferFilepath());
 273
 274         // the bb section
 275         igp.bb.erase();
 276         if (controller().bbChanged) {
 277                 string bb;
 278                 string lbX(fromqstr(dialog_->lbX->text()));
 279                 string lbY(fromqstr(dialog_->lbY->text()));
 280                 string rtX(fromqstr(dialog_->rtX->text()));
 281                 string rtY(fromqstr(dialog_->rtY->text()));
 282                 int bb_sum =
 283                         convert<int>(lbX) + convert<int>(lbY) +
 284                         convert<int>(rtX) + convert<int>(rtX);
 285                 if (bb_sum) {
 286                         if (lbX.empty())
 287                                 bb = "0 ";
 288                         else
 289                                 bb = lbX + fromqstr(dialog_->lbXunit->currentText()) + ' ';
 290                         if (lbY.empty())
 291                                 bb += "0 ";
 292                         else
 293                                 bb += (lbY + fromqstr(dialog_->lbYunit->currentText()) + ' ');
 294                         if (rtX.empty())
 295                                 bb += "0 ";
 296                         else
 297                                 bb += (rtX + fromqstr(dialog_->rtXunit->currentText()) + ' ');
 298                         if (rtY.empty())
 299                                 bb += '0';
 300                         else
 301                                 bb += (rtY + fromqstr(dialog_->rtYunit->currentText()));
 302                         igp.bb = bb;
 303                 }
 304         }
 305
 306         igp.draft = dialog_->draftCB->isChecked();
 307         igp.clip = dialog_->clip->isChecked();
 308         igp.subcaption = dialog_->subfigure->isChecked();
 309         igp.subcaptionText = fromqstr(dialog_->subcaption->text());
 310
 311         switch (dialog_->showCB->currentIndex()) {
 312                 case 0: igp.display = graphics::DefaultDisplay; break;
 313                 case 1: igp.display = graphics::MonochromeDisplay; break;
 314                 case 2: igp.display = graphics::GrayscaleDisplay; break;
 315                 case 3: igp.display = graphics::ColorDisplay; break;
 316                 default:;
 317         }
 318
 319         if (!dialog_->displayGB->isChecked())
 320                 igp.display = graphics::NoDisplay;
 321
 322         if (dialog_->scaleCB->isChecked()
 323                 && !dialog_->Scale->text().isEmpty()) {
 324                 igp.scale = fromqstr(dialog_->Scale->text());
 325         } else {
 326                 igp.scale = string();
 327         }
 328
 329         igp.width = LyXLength(widgetsToLength(dialog_->Width, dialog_->widthUnit));
 330
 331         igp.height = LyXLength(widgetsToLength(dialog_->Height, dialog_->heightUnit));
 332
 333         igp.keepAspectRatio = dialog_->aspectratio->isChecked();
 334
 335         igp.noUnzip = dialog_->unzipCB->isChecked();
 336
 337         igp.lyxscale = convert<int>(fromqstr(dialog_->displayscale->text()));
 338
 339         igp.rotateAngle = fromqstr(dialog_->angle->text());
 340
 341         double rotAngle = convert<double>(igp.rotateAngle);
 342         if (std::abs(rotAngle) > 360.0) {
 343                 rotAngle -= 360.0 * floor(rotAngle / 360.0);
 344                 igp.rotateAngle = convert<string>(rotAngle);
 345         }
 346
 347         // save the latex name for the origin. If it is the default
 348         // then origin_ltx returns ""
 349         igp.rotateOrigin =
 350                 QGraphics::origin_ltx[dialog_->origin->currentIndex()];
 351
 352         // more latex options
 353         igp.special = fromqstr(dialog_->latexoptions->text());
 354 }
 355
 356
 357 void QGraphics::getBB()
 358 {
 359         string const filename(fromqstr(dialog_->filename->text()));
 360         if (!filename.empty()) {
 361                 string const bb(controller().readBB(filename));
 362                 if (!bb.empty()) {
 363                         dialog_->lbX->setText(toqstr(token(bb, ' ', 0)));
 364                         dialog_->lbY->setText(toqstr(token(bb, ' ', 1)));
 365                         dialog_->rtX->setText(toqstr(token(bb, ' ', 2)));
 366                         dialog_->rtY->setText(toqstr(token(bb, ' ', 3)));
 367                         // the default units for the bb values when reading
 368                         // it from the file
 369                         dialog_->lbXunit->setCurrentIndex(0);
 370                         dialog_->lbYunit->setCurrentIndex(0);
 371                         dialog_->rtXunit->setCurrentIndex(0);
 372                         dialog_->rtYunit->setCurrentIndex(0);
 373                 }
 374                 controller().bbChanged = false;
 375         }
 376 }
 377
 378
 379 bool QGraphics::isValid()
 380 {
 381         return !dialog_->filename->text().isEmpty();
 382 }
 383
 384 } // namespace frontend
 385 } // namespace lyx