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 "debug.h"
  16 #include "ControlGraphics.h"
  17 #include "controllers/helper_funcs.h"
  18 #include "support/lstrings.h"
  19 #include "support/tostr.h"
  20 #include "support/lyxlib.h"
  21 #include "insets/insetgraphicsParams.h"
  22
  23 #include "lyxrc.h"
  24 #include "lengthcombo.h"
  25 #include "qt_helpers.h"
  26 #include "lengthcommon.h"
  27
  28 #include <qlineedit.h>
  29 #include <qpushbutton.h>
  30 #include <qcheckbox.h>
  31 #include <qgroupbox.h>
  32 #include <qlabel.h>
  33
  34 #include "QGraphicsDialog.h"
  35 #include "QGraphics.h"
  36 #include "Qt2BC.h"
  37
  38 using lyx::support::float_equal;
  39 using lyx::support::strToDbl;
  40 using lyx::support::strToInt;
  41 using lyx::support::token;
  42
  43 using std::vector;
  44 using std::string;
  45
  46
  47 typedef QController<ControlGraphics, QView<QGraphicsDialog> > base_class;
  48
  49 QGraphics::QGraphics(Dialog & parent)
  50         : base_class(parent, _("LyX: Graphics"))
  51 {
  52 }
  53
  54
  55 void QGraphics::build_dialog()
  56 {
  57         dialog_.reset(new QGraphicsDialog(this));
  58
  59         bcview().setOK(dialog_->okPB);
  60         bcview().setApply(dialog_->applyPB);
  61         bcview().setRestore(dialog_->restorePB);
  62         bcview().setCancel(dialog_->closePB);
  63
  64         bcview().addReadOnly(dialog_->rotateGB);
  65         bcview().addReadOnly(dialog_->latexoptions);
  66         bcview().addReadOnly(dialog_->subfigure);
  67         bcview().addReadOnly(dialog_->subcaption);
  68         bcview().addReadOnly(dialog_->filenameL);
  69         bcview().addReadOnly(dialog_->filename);
  70         bcview().addReadOnly(dialog_->browsePB);
  71         bcview().addReadOnly(dialog_->unzipCB);
  72         bcview().addReadOnly(dialog_->filename);
  73         bcview().addReadOnly(dialog_->lbX);
  74         bcview().addReadOnly(dialog_->lbY);
  75         bcview().addReadOnly(dialog_->rtX);
  76         bcview().addReadOnly(dialog_->rtY);
  77         bcview().addReadOnly(dialog_->lbXunit);
  78         bcview().addReadOnly(dialog_->lbYunit);
  79         bcview().addReadOnly(dialog_->rtXunit);
  80         bcview().addReadOnly(dialog_->rtYunit);
  81         bcview().addReadOnly(dialog_->draftCB);
  82         bcview().addReadOnly(dialog_->clip);
  83         bcview().addReadOnly(dialog_->unzipCB);
  84         bcview().addReadOnly(dialog_->subfigure);
  85         bcview().addReadOnly(dialog_->subcaption);
  86         bcview().addReadOnly(dialog_->showCB);
  87         bcview().addReadOnly(dialog_->width);
  88         bcview().addReadOnly(dialog_->height);
  89         bcview().addReadOnly(dialog_->displayCB);
  90         bcview().addReadOnly(dialog_->displayscale);
  91         bcview().addReadOnly(dialog_->widthUnit);
  92         bcview().addReadOnly(dialog_->heightUnit);
  93         bcview().addReadOnly(dialog_->aspectratio);
  94         bcview().addReadOnly(dialog_->angle);
  95         bcview().addReadOnly(dialog_->origin);
  96         bcview().addReadOnly(dialog_->latexoptions);
  97         bcview().addReadOnly(dialog_->getPB);
  98 }
  99
 100
 101 namespace {
 102
 103 // returns the number of the string s in the vector v
 104 int getItemNo(vector<string> v, string const & s) {
 105         vector<string>::const_iterator cit =
 106                     find(v.begin(), v.end(), s);
 107         return (cit != v.end()) ? int(cit - v.begin()) : 0;
 108 }
 109
 110 // returns the number of the unit in the array unit_name,
 111 // which is defined in lengthcommon.C
 112 int getUnitNo(char const * c[], string const & s) {
 113         int i = 0;
 114         while (i < num_units && s != c[i])
 115                 ++i;
 116         return (i < num_units) ? i : 0;
 117 }
 118
 119 }
 120
 121
 122 void QGraphics::update_contents()
 123 {
 124         // clear and fill in the comboboxes
 125         vector<string> const bb_units = frnt::getBBUnits();
 126         dialog_->lbXunit->clear();
 127         dialog_->lbYunit->clear();
 128         dialog_->rtXunit->clear();
 129         dialog_->rtYunit->clear();
 130         for (vector<string>::const_iterator it = bb_units.begin();
 131             it != bb_units.end(); ++it) {
 132                 dialog_->lbXunit->insertItem(toqstr(*it), -1);
 133                 dialog_->lbYunit->insertItem(toqstr(*it), -1);
 134                 dialog_->rtXunit->insertItem(toqstr(*it), -1);
 135                 dialog_->rtYunit->insertItem(toqstr(*it), -1);
 136         }
 137
 138         InsetGraphicsParams & igp = controller().params();
 139
 140         // set the right default unit
 141         LyXLength::UNIT unitDefault = LyXLength::CM;
 142         switch (lyxrc.default_papersize) {
 143                 case PAPER_DEFAULT: break;
 144
 145                 case PAPER_USLETTER:
 146                 case PAPER_LEGALPAPER:
 147                 case PAPER_EXECUTIVEPAPER:
 148                         unitDefault = LyXLength::IN;
 149                         break;
 150
 151                 case PAPER_A3PAPER:
 152                 case PAPER_A4PAPER:
 153                 case PAPER_A5PAPER:
 154                 case PAPER_B5PAPER:
 155                         unitDefault = LyXLength::CM;
 156                         break;
 157         }
 158
 159         string const name =
 160                 igp.filename.outputFilename(kernel().bufferFilepath());
 161         dialog_->filename->setText(toqstr(name));
 162
 163         // set the bounding box values
 164         if (igp.bb.empty()) {
 165                 string const bb = controller().readBB(igp.filename.absFilename());
 166                 // the values from the file always have the bigpoint-unit bp
 167                 dialog_->lbX->setText(toqstr(token(bb, ' ', 0)));
 168                 dialog_->lbY->setText(toqstr(token(bb, ' ', 1)));
 169                 dialog_->rtX->setText(toqstr(token(bb, ' ', 2)));
 170                 dialog_->rtY->setText(toqstr(token(bb, ' ', 3)));
 171                 dialog_->lbXunit->setCurrentItem(0);
 172                 dialog_->lbYunit->setCurrentItem(0);
 173                 dialog_->rtXunit->setCurrentItem(0);
 174                 dialog_->rtYunit->setCurrentItem(0);
 175                 controller().bbChanged = false;
 176         } else {
 177                 // get the values from the inset
 178                 LyXLength anyLength;
 179                 string const xl(token(igp.bb, ' ', 0));
 180                 string const yl(token(igp.bb, ' ', 1));
 181                 string const xr(token(igp.bb, ' ', 2));
 182                 string const yr(token(igp.bb, ' ', 3));
 183                 if (isValidLength(xl, &anyLength)) {
 184                         dialog_->lbX->setText(toqstr(tostr(anyLength.value())));
 185                         string const unit(unit_name[anyLength.unit()]);
 186                         dialog_->lbXunit->setCurrentItem(getItemNo(bb_units, unit));
 187                 } else {
 188                         dialog_->lbX->setText(toqstr(xl));
 189                 }
 190                 if (isValidLength(yl, &anyLength)) {
 191                         dialog_->lbY->setText(toqstr(tostr(anyLength.value())));
 192                         string const unit(unit_name[anyLength.unit()]);
 193                         dialog_->lbYunit->setCurrentItem(getItemNo(bb_units, unit));
 194                 } else {
 195                         dialog_->lbY->setText(toqstr(xl));
 196                 }
 197                 if (isValidLength(xr, &anyLength)) {
 198                         dialog_->rtX->setText(toqstr(tostr(anyLength.value())));
 199                         string const unit(unit_name[anyLength.unit()]);
 200                         dialog_->rtXunit->setCurrentItem(getItemNo(bb_units, unit));
 201                 } else {
 202                         dialog_->rtX->setText(toqstr(xl));
 203                 }
 204                 if (isValidLength(yr, &anyLength)) {
 205                         dialog_->rtY->setText(toqstr(tostr(anyLength.value())));
 206                         string const unit(unit_name[anyLength.unit()]);
 207                         dialog_->rtYunit->setCurrentItem(getItemNo(bb_units, unit));
 208                 } else {
 209                         dialog_->rtY->setText(toqstr(xl));
 210                 }
 211                 controller().bbChanged = true;
 212         }
 213
 214         // Update the draft and clip mode
 215         dialog_->draftCB->setChecked(igp.draft);
 216         dialog_->clip->setChecked(igp.clip);
 217         dialog_->unzipCB->setChecked(igp.noUnzip);
 218
 219         // Update the subcaption check button and input field
 220         dialog_->subfigure->setChecked(igp.subcaption);
 221         dialog_->subcaption->setText(toqstr(igp.subcaptionText));
 222
 223         int item = 0;
 224         switch (igp.display) {
 225                 case lyx::graphics::DefaultDisplay: item = 0; break;
 226                 case lyx::graphics::MonochromeDisplay: item = 1; break;
 227                 case lyx::graphics::GrayscaleDisplay: item = 2; break;
 228                 case lyx::graphics::ColorDisplay: item = 3; break;
 229                 case lyx::graphics::NoDisplay: item = 0; break;
 230         }
 231         dialog_->showCB->setCurrentItem(item);
 232         dialog_->showCB->setEnabled(igp.display != lyx::graphics::NoDisplay && !readOnly());
 233         dialog_->displayCB->setChecked(igp.display != lyx::graphics::NoDisplay);
 234         dialog_->displayscale->setEnabled(igp.display != lyx::graphics::NoDisplay && !readOnly());
 235         dialog_->displayscale->setText(toqstr(tostr(igp.lyxscale)));
 236
 237         //// the output section (width/height)
 238         // set the length combo boxes
 239         // only the width has the possibility for scale%. The original
 240         // units are defined in lengthcommon.C
 241         // 1. the width (a listttype)
 242         dialog_->widthUnit->clear();
 243         dialog_->widthUnit->insertItem(qt_("Scale%"));
 244         for (int i = 0; i < num_units; i++)
 245                 dialog_->widthUnit->insertItem(unit_name_gui[i], -1);
 246
 247         if (!float_equal(igp.scale, 0.0, 0.05)) {
 248                 // there is a scale value > 0.05
 249                 dialog_->width->setText(toqstr(tostr(igp.scale)));
 250                 dialog_->widthUnit->setCurrentItem(0);
 251         } else {
 252                 // no scale means default width/height
 253                 dialog_->width->setText(toqstr(tostr(igp.width.value())));
 254                 // the width cannot have a unitDefault, because
 255                 // it is a "Scale%" or another user defined unit!
 256                 // +1 instead of the "Scale%" option
 257                 int unit_ = igp.width.unit();
 258                 dialog_->widthUnit->setCurrentItem(unit_ + 1);
 259         }
 260         // 2. the height (a lengthgcombo type)
 261         dialog_->height->setText(toqstr(tostr(igp.height.value())));
 262         LyXLength::UNIT unit_ = (igp.height.value() > 0.0) ?
 263                 igp.height.unit() : unitDefault;
 264         dialog_->heightUnit->setCurrentItem(unit_);
 265
 266         // enable height input in case of non "Scale%" as width-unit
 267         bool use_height = (dialog_->widthUnit->currentItem() > 0);
 268         dialog_->height->setEnabled(use_height);
 269         dialog_->heightUnit->setEnabled(use_height);
 270
 271         dialog_->aspectratio->setChecked(igp.keepAspectRatio);
 272
 273         dialog_->angle->setText(toqstr(tostr(igp.rotateAngle)));
 274
 275         dialog_->origin->clear();
 276
 277         using namespace frnt;
 278         vector<RotationOriginPair> origindata = getRotationOriginData();
 279         vector<string> const origin_lang = getFirst(origindata);
 280         QGraphics::origin_ltx = getSecond(origindata);
 281
 282         for (vector<string>::const_iterator it = origin_lang.begin();
 283             it != origin_lang.end(); ++it)
 284                 dialog_->origin->insertItem(toqstr(*it), -1);
 285
 286         if (!igp.rotateOrigin.empty())
 287                 dialog_->origin->setCurrentItem(
 288                         ::getItemNo(origin_ltx, igp.rotateOrigin));
 289         else
 290                 dialog_->origin->setCurrentItem(0);
 291
 292         //// latex section
 293         dialog_->latexoptions->setText(toqstr(igp.special));
 294 }
 295
 296
 297 void QGraphics::apply()
 298 {
 299         InsetGraphicsParams & igp = controller().params();
 300
 301         igp.filename.set(fromqstr(dialog_->filename->text()),
 302                          kernel().bufferFilepath());
 303
 304         // the bb section
 305         igp.bb.erase();
 306         if (controller().bbChanged) {
 307                 string bb;
 308                 string lbX(fromqstr(dialog_->lbX->text()));
 309                 string lbY(fromqstr(dialog_->lbY->text()));
 310                 string rtX(fromqstr(dialog_->rtX->text()));
 311                 string rtY(fromqstr(dialog_->rtY->text()));
 312                 int bb_sum =
 313                         strToInt(lbX) + strToInt(lbY) +
 314                         strToInt(rtX) + strToInt(rtX);
 315                 if (bb_sum) {
 316                         if (lbX.empty())
 317                                 bb = "0 ";
 318                         else
 319                                 bb = lbX + fromqstr(dialog_->lbXunit->currentText()) + ' ';
 320                         if (lbY.empty())
 321                                 bb += "0 ";
 322                         else
 323                                 bb += (lbY + fromqstr(dialog_->lbYunit->currentText()) + ' ');
 324                         if (rtX.empty())
 325                                 bb += "0 ";
 326                         else
 327                                 bb += (rtX + fromqstr(dialog_->rtXunit->currentText()) + ' ');
 328                         if (rtY.empty())
 329                                 bb += '0';
 330                         else
 331                                 bb += (rtY + fromqstr(dialog_->rtYunit->currentText()));
 332                         igp.bb = bb;
 333                 }
 334         }
 335
 336         igp.draft = dialog_->draftCB->isChecked();
 337         igp.clip = dialog_->clip->isChecked();
 338         igp.subcaption = dialog_->subfigure->isChecked();
 339         igp.subcaptionText = fromqstr(dialog_->subcaption->text());
 340
 341         switch (dialog_->showCB->currentItem()) {
 342                 case 0: igp.display = lyx::graphics::DefaultDisplay; break;
 343                 case 1: igp.display = lyx::graphics::MonochromeDisplay; break;
 344                 case 2: igp.display = lyx::graphics::GrayscaleDisplay; break;
 345                 case 3: igp.display = lyx::graphics::ColorDisplay; break;
 346                 default:;
 347         }
 348
 349         if (!dialog_->displayCB->isChecked())
 350                 igp.display = lyx::graphics::NoDisplay;
 351
 352         string value(fromqstr(dialog_->width->text()));
 353         if (dialog_->widthUnit->currentItem() > 0) {
 354                 // width/height combination
 355                 int const unitNo = getUnitNo(unit_name_gui,
 356                         fromqstr(dialog_->widthUnit->currentText()));
 357                 igp.width = LyXLength(value + unit_name_ltx[unitNo]);
 358                 igp.scale = 0.0;
 359         } else {
 360                 // scaling instead of a width
 361                 igp.scale = strToDbl(value);
 362                 igp.width = LyXLength();
 363         }
 364         value = fromqstr(dialog_->height->text());
 365         int const unitNo = getUnitNo(unit_name_gui,
 366                 fromqstr(dialog_->heightUnit->currentText()));
 367         igp.height = LyXLength(value + unit_name_ltx[unitNo]);
 368
 369         igp.keepAspectRatio = dialog_->aspectratio->isChecked();
 370
 371         igp.noUnzip = dialog_->unzipCB->isChecked();
 372
 373         igp.lyxscale = strToInt(fromqstr(dialog_->displayscale->text()));
 374
 375         igp.rotateAngle = strToDbl(fromqstr(dialog_->angle->text()));
 376         while (igp.rotateAngle < -360.0)
 377                 igp.rotateAngle += 360.0;
 378         while (igp.rotateAngle >  360.0)
 379                 igp.rotateAngle -= 360.0;
 380
 381         // save the latex name for the origin. If it is the default
 382         // then origin_ltx returns ""
 383         igp.rotateOrigin =
 384                 QGraphics::origin_ltx[dialog_->origin->currentItem()];
 385
 386         // more latex options
 387         igp.special = fromqstr(dialog_->latexoptions->text());
 388 }
 389
 390
 391 void QGraphics::getBB()
 392 {
 393         string const filename(fromqstr(dialog_->filename->text()));
 394         if (!filename.empty()) {
 395                 string const bb(controller().readBB(filename));
 396                 if (!bb.empty()) {
 397                         dialog_->lbX->setText(toqstr(token(bb, ' ', 0)));
 398                         dialog_->lbY->setText(toqstr(token(bb, ' ', 1)));
 399                         dialog_->rtX->setText(toqstr(token(bb, ' ', 2)));
 400                         dialog_->rtY->setText(toqstr(token(bb, ' ', 3)));
 401                         // the default units for the bb values when reading
 402                         // it from the file
 403                         dialog_->lbXunit->setCurrentItem(0);
 404                         dialog_->lbYunit->setCurrentItem(0);
 405                         dialog_->rtXunit->setCurrentItem(0);
 406                         dialog_->rtYunit->setCurrentItem(0);
 407                 }
 408                 controller().bbChanged = false;
 409         }
 410 }
 411
 412
 413 bool QGraphics::isValid()
 414 {
 415         return !dialog_->filename->text().isEmpty();
 416 }