src/frontends/qt4/GuiBox.cpp

   1 /**
   2  * \file GuiBox.cpp
   3  * This file is part of LyX, the document processor.
   4  * Licence details can be found in the file COPYING.
   5  *
   6  * \author Jürgen Vigna (Minipage stuff)
   7  * \author Martin Vermeer
   8  * \author Jürgen Spitzmüller
   9  *
  10  * Full author contact details are available in file CREDITS.
  11  */
  12
  13 #include <config.h>
  14
  15 #include "GuiBox.h"
  16
  17 #include "LengthCombo.h"
  18 #include "Length.h"
  19 #include "qt_helpers.h"
  20 #include "Validator.h"
  21
  22 #include "insets/InsetBox.h"
  23
  24 #include "support/gettext.h"
  25 #include "support/foreach.h"
  26 #include "support/lstrings.h"
  27
  28 #include <QPushButton>
  29 #include <QLineEdit>
  30
  31 #ifdef IN
  32 #undef IN
  33 #endif
  34
  35 using namespace std;
  36
  37
  38 namespace lyx {
  39 namespace frontend {
  40
  41 static QStringList boxGuiIds()
  42 {
  43         return QStringList()
  44                 << "Frameless" << "Boxed"
  45                 << "ovalbox" << "Ovalbox"
  46                 << "Shadowbox" << "Shaded"
  47                 << "Doublebox";
  48 }
  49
  50
  51 static QStringList boxGuiNames()
  52 {
  53         return QStringList()
  54                 << qt_("No frame") << qt_("Simple rectangular frame")
  55                 << qt_("Oval frame, thin") << qt_("Oval frame, thick")
  56                 << qt_("Drop shadow") << qt_("Shaded background")
  57                 << qt_("Double rectangular frame");
  58 }
  59
  60
  61 static QStringList boxGuiSpecialLengthIds()
  62 {
  63         return QStringList() << "height" << "depth"
  64                 << "totalheight" << "width";
  65 }
  66
  67
  68 static QStringList boxGuiSpecialLengthNames()
  69 {
  70         return QStringList() << qt_("Height") << qt_("Depth")
  71                 << qt_("Total Height") << qt_("Width");
  72 }
  73
  74
  75 GuiBox::GuiBox(QWidget * parent) : InsetParamsWidget(parent)
  76 {
  77         setupUi(this);
  78
  79         // fill the box type choice
  80         ids_ = boxGuiIds();
  81         gui_names_ = boxGuiNames();
  82         for (int i = 0; i != ids_.size(); ++i)
  83                 typeCO->addItem(gui_names_[i], ids_[i]);
  84
  85         // add the special units to the height choice
  86         // width needs different handling
  87         ids_spec_ = boxGuiSpecialLengthIds();
  88         gui_names_spec_ = boxGuiSpecialLengthNames();
  89         for (int i = 0; i != ids_spec_.size(); ++i)
  90                 heightUnitsLC->addItem(gui_names_spec_[i], ids_spec_[i]);
  91
  92         connect(widthED, SIGNAL(textChanged(QString)), this, SIGNAL(changed()));
  93         connect(widthUnitsLC, SIGNAL(selectionChanged(lyx::Length::UNIT)),
  94                 this, SIGNAL(changed()));
  95         connect(valignCO, SIGNAL(highlighted(QString)), this, SIGNAL(changed()));
  96         connect(heightED, SIGNAL(textChanged(QString)), this, SIGNAL(changed()));
  97         connect(heightUnitsLC, SIGNAL(selectionChanged(lyx::Length::UNIT)),
  98                 this, SIGNAL(changed()));
  99         connect(halignCO, SIGNAL(activated(int)), this, SIGNAL(changed()));
 100         connect(ialignCO, SIGNAL(activated(int)), this, SIGNAL(changed()));
 101
 102         heightED->setValidator(unsignedLengthValidator(heightED));
 103         widthED->setValidator(unsignedLengthValidator(widthED));
 104
 105         // initialize the length validator
 106         addCheckedWidget(widthED, widthCB);
 107         addCheckedWidget(heightED, heightCB);
 108
 109         initDialog();
 110 }
 111
 112
 113 void GuiBox::on_innerBoxCO_activated(int /* index */)
 114 {
 115         QString itype =
 116                 innerBoxCO->itemData(innerBoxCO->currentIndex()).toString();
 117         // handle parbox and minipage the same way
 118         bool const ibox =
 119                 (itype != "none"
 120                  && itype != "makebox");
 121         QString const outer =
 122                 typeCO->itemData(typeCO->currentIndex()).toString();
 123         valignCO->setEnabled(ibox);
 124         ialignCO->setEnabled(ibox);
 125         if (heightCB->isChecked() && !ibox)
 126                 heightCB->setChecked(false);
 127         heightCB->setEnabled(ibox);
 128         // the width can only be selected for makebox or framebox
 129         widthCB->setEnabled(itype == "makebox"
 130                             || (outer == "Boxed" && itype == "none"));
 131         widthCB->setChecked(itype != "none" && !widthCB->isEnabled());
 132         // except for frameless and boxed, the width cannot be specified if
 133         // there is no inner box
 134         bool const width_enabled =
 135                 ibox || outer == "Frameless" || outer == "Boxed";
 136         // enable if width_enabled, except if checkbaox is active but unset
 137         widthED->setEnabled(width_enabled || (widthCB->isEnabled() && widthCB->isChecked()));
 138         widthUnitsLC->setEnabled(width_enabled || (widthCB->isEnabled() && widthCB->isChecked()));
 139         if (!widthCB->isChecked() && widthCB->isEnabled()) {
 140                 widthED->setEnabled(false);
 141                 widthUnitsLC->setEnabled(false);
 142         }
 143         // halign is only allowed without inner box and if a width is used and if
 144         // pagebreak is not used
 145         halignCO->setEnabled(!pagebreakCB->isChecked() && widthCB->isChecked()
 146                              && ((!ibox && outer == "Boxed") || itype == "makebox"));
 147         // pagebreak is only allowed for Boxed without inner box
 148         pagebreakCB->setEnabled(!ibox && outer == "Boxed");
 149         setSpecial(ibox);
 150         changed();
 151 }
 152
 153
 154 void GuiBox::on_typeCO_activated(int index)
 155 {
 156         QString const type =
 157                 typeCO->itemData(index).toString();
 158         bool const frameless = (type == "Frameless");
 159         QString itype =
 160                 innerBoxCO->itemData(innerBoxCO->currentIndex()).toString();
 161         setInnerType(frameless, itype);
 162         // refresh itype because it might have been changed in setInnerType
 163         itype =
 164                 innerBoxCO->itemData(innerBoxCO->currentIndex()).toString();
 165         // handle parbox and minipage the same way
 166         bool const ibox =
 167                 (itype != "none"
 168                  && itype != "makebox");
 169         if (frameless && itype != "makebox") {
 170                 valignCO->setEnabled(ibox);
 171                 ialignCO->setEnabled(ibox);
 172                 if (heightCB->isChecked() && !ibox)
 173                         heightCB->setChecked(false);
 174                 heightCB->setEnabled(ibox);
 175                 setSpecial(ibox);
 176         }
 177         // the width can only be selected for makebox or framebox
 178         widthCB->setEnabled(itype == "makebox"
 179                             || (type == "Boxed" && itype == "none"));
 180         widthCB->setChecked(itype != "none" && !widthCB->isEnabled());
 181         // except for frameless and boxed, the width cannot be specified if
 182         // there is no inner box
 183         bool const width_enabled =
 184                 itype != "none" || frameless || type == "Boxed";
 185         // enable if width_enabled, except if checkbaox is active but unset
 186         widthED->setEnabled(width_enabled || (widthCB->isEnabled() && widthCB->isChecked()));
 187         widthUnitsLC->setEnabled(width_enabled || (widthCB->isEnabled() && widthCB->isChecked()));
 188         if (!widthCB->isChecked() && widthCB->isEnabled()) {
 189                 widthED->setEnabled(false);
 190                 widthUnitsLC->setEnabled(false);
 191         }
 192         // halign is only allowed without inner box and if a width is used and if
 193         // pagebreak is not used
 194         halignCO->setEnabled(!pagebreakCB->isChecked() && widthCB->isChecked()
 195                              && ((itype == "none" && type == "Boxed") || itype == "makebox"));
 196         // pagebreak is only allowed for Boxed without inner box
 197         pagebreakCB->setEnabled(type == "Boxed" && itype == "none");
 198         if (type != "Boxed")
 199                 pagebreakCB->setChecked(false);
 200         changed();
 201 }
 202
 203
 204 void GuiBox::initDialog()
 205 {
 206         setInnerType(true, toqstr("minipage"));
 207         widthED->setText("100");
 208         widthUnitsLC->setCurrentItem(Length::PCW);
 209         heightED->setText("1");
 210         heightUnitsLC->setCurrentItem("totalheight");
 211 }
 212
 213
 214 void GuiBox::on_widthCB_stateChanged(int)
 215 {
 216         if (widthCB->isEnabled()) {
 217                 widthED->setEnabled(widthCB->isChecked());
 218                 widthUnitsLC->setEnabled(widthCB->isChecked());
 219                 halignCO->setEnabled(widthCB->isChecked());
 220         }
 221         changed();
 222 }
 223
 224
 225 void GuiBox::on_heightCB_stateChanged(int state)
 226 {
 227         bool const enable = (innerBoxCO->currentText() != qt_("None"))
 228                 && (state == Qt::Checked);
 229         heightED->setEnabled(enable);
 230         heightUnitsLC->setEnabled(enable);
 231         changed();
 232 }
 233
 234
 235 void GuiBox::on_pagebreakCB_stateChanged()
 236 {
 237         bool pbreak = (pagebreakCB->checkState() == Qt::Checked);
 238         innerBoxCO->setEnabled(!pbreak);
 239         widthCB->setEnabled(!pbreak);
 240         if (pbreak)
 241                 widthCB->setChecked(!pbreak);
 242         widthED->setEnabled(!pbreak);
 243         widthUnitsLC->setEnabled(!pbreak);
 244         if (!pbreak) {
 245                 on_typeCO_activated(typeCO->currentIndex());
 246                 return;
 247         }
 248         valignCO->setEnabled(false);
 249         ialignCO->setEnabled(false);
 250         halignCO->setEnabled(false);
 251         heightCB->setEnabled(false);
 252         heightED->setEnabled(false);
 253         heightUnitsLC->setEnabled(false);
 254         setSpecial(false);
 255         changed();
 256 }
 257
 258
 259 void GuiBox::paramsToDialog(Inset const * inset)
 260 {
 261         InsetBox const * box = static_cast<InsetBox const *>(inset);
 262         InsetBoxParams const & params = box->params();
 263         QString type = toqstr(params.type);
 264         if (type == "Framed") {
 265                 pagebreakCB->setChecked(true);
 266                 type = "Boxed";
 267         } else {
 268                 pagebreakCB->setChecked(false);
 269         }
 270
 271         typeCO->setCurrentIndex(typeCO->findData(type));
 272
 273         // default: minipage
 274         QString inner_type = "minipage";
 275         if (!params.inner_box)
 276                 inner_type = "none";
 277         if (params.use_parbox)
 278                 inner_type = "parbox";
 279         if (params.use_makebox)
 280                 inner_type = "makebox";
 281         bool const frameless = (params.type == "Frameless");
 282         setInnerType(frameless, inner_type);
 283
 284         char c = params.pos;
 285         valignCO->setCurrentIndex(string("tcb").find(c, 0));
 286         c = params.inner_pos;
 287         ialignCO->setCurrentIndex(string("tcbs").find(c, 0));
 288         c = params.hor_pos;
 289         halignCO->setCurrentIndex(string("lcrs").find(c, 0));
 290
 291         bool ibox = (params.inner_box && !params.use_makebox);
 292         valignCO->setEnabled(ibox);
 293         ialignCO->setEnabled(ibox);
 294         setSpecial(ibox);
 295
 296         // halign is only allowed without inner box and if a width is used and if
 297         // pagebreak is not used
 298         halignCO->setEnabled(!pagebreakCB->isChecked() && widthCB->isChecked()
 299                              && ((!ibox && type == "Boxed") || params.use_makebox));
 300         // pagebreak is only allowed for Boxed without inner box
 301         pagebreakCB->setEnabled(!ibox && type == "Boxed");
 302
 303         Length::UNIT const default_unit = Length::defaultUnit();
 304
 305         // the width can only be selected for makebox or framebox
 306         widthCB->setEnabled(inner_type == "makebox"
 307                             || (type == "Boxed" && !ibox && !pagebreakCB->isChecked()));
 308         // "-999col%" is the code for no width
 309         if ((params.width).asString() == "-999col%")
 310                 widthCB->setCheckState(Qt::Unchecked);
 311         else {
 312                 if (widthCB->isEnabled())
 313                         widthCB->setChecked(true);
 314                 lengthToWidgets(widthED, widthUnitsLC,
 315                         (params.width).asString(), default_unit);
 316                 QString const special = toqstr(params.special);
 317                 if (!special.isEmpty() && special != "none")
 318                         widthUnitsLC->setCurrentItem(special);
 319         }
 320
 321         widthED->setEnabled(widthCB->isChecked());
 322         widthUnitsLC->setEnabled(widthCB->isChecked());
 323
 324         lengthToWidgets(heightED, heightUnitsLC,
 325                 (params.height).asString(), default_unit);
 326
 327         QString const height_special = toqstr(params.height_special);
 328         if (!height_special.isEmpty() && height_special != "none")
 329                 heightUnitsLC->setCurrentItem(height_special);
 330         // set no optional height if the value is the default "1\height"
 331         // (special units like \height are handled as "in",
 332         // FIXME: this is a very bad UI, this check box should be disabled in
 333         // this case, not forced to 'unchecked' state.
 334         if (height_special == "totalheight" && params.height == Length("1in"))
 335                 heightCB->setCheckState(Qt::Unchecked);
 336         else
 337                 heightCB->setCheckState(Qt::Checked);
 338
 339         heightCB->setEnabled(ibox);
 340 }
 341
 342
 343 docstring GuiBox::dialogToParams() const
 344 {
 345         bool const pagebreak =
 346                 pagebreakCB->isEnabled() && pagebreakCB->isChecked();
 347         string box_type;
 348         if (pagebreak)
 349                 box_type = "Framed";
 350         else
 351                 box_type = fromqstr(typeCO->itemData(
 352                                 typeCO->currentIndex()).toString());
 353
 354         InsetBoxParams params(box_type);
 355         params.inner_box =
 356                 (!pagebreak && innerBoxCO->currentText() != qt_("None"));
 357         params.use_parbox =
 358                 (!pagebreak && innerBoxCO->currentText() == qt_("Parbox"));
 359         params.use_makebox =
 360                 (!pagebreak && innerBoxCO->currentText() == qt_("Makebox"));
 361
 362         params.pos = "tcb"[valignCO->currentIndex()];
 363         params.inner_pos = "tcbs"[ialignCO->currentIndex()];
 364         params.hor_pos = "lcrs"[halignCO->currentIndex()];
 365
 366         QString unit =
 367                 widthUnitsLC->itemData(widthUnitsLC->currentIndex()).toString();
 368         QString value = widthED->text();
 369
 370         if (widthCB->isChecked()) {
 371          if (ids_spec_.contains(unit) && !isValidLength(fromqstr(value))) {
 372                  params.special = fromqstr(unit);
 373                  // Note: the unit is simply ignored in this case
 374                  params.width = Length(value.toDouble(), Length::IN);
 375          } else {
 376                  params.special = "none";
 377                  params.width = Length(widgetsToLength(widthED, widthUnitsLC));
 378          }
 379         } else {
 380                 if (widthCB->isEnabled()) {
 381                         // use the code "-999col%" for the case that no width was selected
 382                         params.special = "none";
 383                         params.width = Length("-999col%");
 384                 }
 385         }
 386
 387         // the height parameter is omitted if the value
 388         // is "1in" and "Total Height" is used as unit.
 389         // 1in + "Total Height" means "1\height" which is the LaTeX default
 390         // if no height is given
 391         if (heightCB->checkState() == Qt::Unchecked) {
 392                 params.height = Length("1in");
 393                 params.height_special = "totalheight";
 394         } else {
 395                 unit = heightUnitsLC->itemData(heightUnitsLC->currentIndex()).toString();
 396                 value = heightED->text();
 397                 if (ids_spec_.contains(unit) && !isValidLength(fromqstr(value))) {
 398                         params.height_special = fromqstr(unit);
 399                         // Note: the unit is simply ignored in this case
 400                         params.height = Length(value.toDouble(), Length::IN);
 401                 } else {
 402                         params.height_special = "none";
 403                         params.height =
 404                                 Length(widgetsToLength(heightED, heightUnitsLC));
 405                 }
 406         }
 407         return from_ascii(InsetBox::params2string(params));
 408 }
 409
 410
 411 void GuiBox::setSpecial(bool ibox)
 412 {
 413         QString const last_item =
 414                 widthUnitsLC->itemData(heightUnitsLC->currentIndex()).toString();
 415
 416         // check if the widget contains the special units
 417         bool const has_special = (widthUnitsLC->findData("totalheight") != -1);
 418         // insert 'em if needed...
 419         if (!ibox && !has_special) {
 420                 for (int i = 1; i < ids_spec_.size(); ++i)
 421                         widthUnitsLC->addItem(gui_names_spec_[i], ids_spec_[i]);
 422         // ... or remove 'em if needed
 423         } else if (ibox && has_special) {
 424                 for (int i = 1; i < ids_spec_.size(); ++i) {
 425                         int n = widthUnitsLC->findData(ids_spec_[i]);
 426                         if (n != -1)
 427                                 widthUnitsLC->removeItem(n);
 428                 }
 429         }
 430         // restore selected text, if possible
 431         widthUnitsLC->setCurrentItem(last_item);
 432 }
 433
 434
 435 void GuiBox::setInnerType(bool frameless, QString const & type)
 436 {
 437         // with "frameless" boxes, inner box is mandatory
 438         // (i.e. is the actual box)
 439         // we have to remove "none" then and adjust the combo
 440         innerBoxCO->clear();
 441         if (!frameless)
 442                 innerBoxCO->addItem(qt_("None"), toqstr("none"));
 443         else
 444                 innerBoxCO->addItem(qt_("Makebox"), toqstr("makebox"));
 445         innerBoxCO->addItem(qt_("Parbox"), toqstr("parbox"));
 446         innerBoxCO->addItem(qt_("Minipage"), toqstr("minipage"));
 447         int i = (innerBoxCO->findData(type) != -1)
 448                 ? innerBoxCO->findData(type) : 0;
 449         innerBoxCO->setCurrentIndex(i);
 450 }
 451
 452 } // namespace frontend
 453 } // namespace lyx
 454
 455
 456 #include "moc_GuiBox.cpp"