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(!widthED->text().isEmpty());
 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         widthCB->setChecked(true);
 209         widthCB->setEnabled(false);
 210         widthUnitsLC->setCurrentItem(Length::PCW);
 211         heightED->setText("1");
 212         heightUnitsLC->setCurrentItem("totalheight");
 213 }
 214
 215
 216 void GuiBox::on_widthCB_stateChanged(int)
 217 {
 218         if (widthCB->isEnabled()) {
 219                 widthED->setEnabled(widthCB->isChecked());
 220                 widthUnitsLC->setEnabled(widthCB->isChecked());
 221                 halignCO->setEnabled(widthCB->isChecked());
 222         }
 223         changed();
 224 }
 225
 226
 227 void GuiBox::on_heightCB_stateChanged(int state)
 228 {
 229         bool const enable = (innerBoxCO->currentText() != qt_("None"))
 230                 && (state == Qt::Checked);
 231         heightED->setEnabled(enable);
 232         heightUnitsLC->setEnabled(enable);
 233         changed();
 234 }
 235
 236
 237 void GuiBox::on_pagebreakCB_stateChanged()
 238 {
 239         bool pbreak = (pagebreakCB->checkState() == Qt::Checked);
 240         innerBoxCO->setEnabled(!pbreak);
 241         widthCB->setEnabled(!pbreak);
 242         if (pbreak)
 243                 widthCB->setChecked(!pbreak);
 244         widthED->setEnabled(!pbreak);
 245         widthUnitsLC->setEnabled(!pbreak);
 246         if (!pbreak) {
 247                 on_typeCO_activated(typeCO->currentIndex());
 248                 return;
 249         }
 250         valignCO->setEnabled(false);
 251         ialignCO->setEnabled(false);
 252         halignCO->setEnabled(false);
 253         heightCB->setEnabled(false);
 254         heightED->setEnabled(false);
 255         heightUnitsLC->setEnabled(false);
 256         setSpecial(false);
 257         changed();
 258 }
 259
 260
 261 void GuiBox::paramsToDialog(Inset const * inset)
 262 {
 263         InsetBox const * box = static_cast<InsetBox const *>(inset);
 264         InsetBoxParams const & params = box->params();
 265         QString type = toqstr(params.type);
 266         if (type == "Framed") {
 267                 pagebreakCB->setChecked(true);
 268                 type = "Boxed";
 269         } else {
 270                 pagebreakCB->setChecked(false);
 271         }
 272
 273         typeCO->setCurrentIndex(typeCO->findData(type));
 274
 275         // default: minipage
 276         QString inner_type = "minipage";
 277         if (!params.inner_box)
 278                 inner_type = "none";
 279         if (params.use_parbox)
 280                 inner_type = "parbox";
 281         if (params.use_makebox)
 282                 inner_type = "makebox";
 283         bool const frameless = (params.type == "Frameless");
 284         setInnerType(frameless, inner_type);
 285
 286         char c = params.pos;
 287         valignCO->setCurrentIndex(string("tcb").find(c, 0));
 288         c = params.inner_pos;
 289         ialignCO->setCurrentIndex(string("tcbs").find(c, 0));
 290         c = params.hor_pos;
 291         halignCO->setCurrentIndex(string("lcrs").find(c, 0));
 292
 293         bool ibox = (params.inner_box && !params.use_makebox);
 294         valignCO->setEnabled(ibox);
 295         ialignCO->setEnabled(ibox);
 296         setSpecial(ibox);
 297
 298         // halign is only allowed without inner box and if a width is used and if
 299         // pagebreak is not used
 300         halignCO->setEnabled(!pagebreakCB->isChecked() && widthCB->isChecked()
 301                              && ((!ibox && type == "Boxed") || params.use_makebox));
 302         // pagebreak is only allowed for Boxed without inner box
 303         pagebreakCB->setEnabled(!ibox && type == "Boxed");
 304
 305         Length::UNIT const default_unit = Length::defaultUnit();
 306
 307         // the width can only be selected for makebox or framebox
 308         widthCB->setEnabled(inner_type == "makebox"
 309                             || (type == "Boxed"
 310                                 && !ibox && !pagebreakCB->isChecked()));
 311         if (params.width.empty()) {
 312                 widthCB->setChecked(false);
 313                 lengthToWidgets(widthED, widthUnitsLC,
 314                         params.width, default_unit);
 315         } else {
 316                 widthCB->setChecked(true);
 317                 lengthToWidgets(widthED, widthUnitsLC,
 318                         params.width, default_unit);
 319                 QString const special = toqstr(params.special);
 320                 if (!special.isEmpty() && special != "none")
 321                         widthUnitsLC->setCurrentItem(special);
 322         }
 323
 324         widthED->setEnabled(widthCB->isChecked());
 325         widthUnitsLC->setEnabled(widthCB->isChecked());
 326
 327         lengthToWidgets(heightED, heightUnitsLC,
 328                 (params.height).asString(), default_unit);
 329
 330         QString const height_special = toqstr(params.height_special);
 331         if (!height_special.isEmpty() && height_special != "none")
 332                 heightUnitsLC->setCurrentItem(height_special);
 333         // set no optional height if the value is the default "1\height"
 334         // (special units like \height are handled as "in",
 335         // FIXME: this is a very bad UI, this check box should be disabled in
 336         // this case, not forced to 'unchecked' state.
 337         if (height_special == "totalheight" && params.height == Length("1in"))
 338                 heightCB->setCheckState(Qt::Unchecked);
 339         else
 340                 heightCB->setCheckState(Qt::Checked);
 341
 342         heightCB->setEnabled(ibox);
 343 }
 344
 345
 346 docstring GuiBox::dialogToParams() const
 347 {
 348         bool const pagebreak =
 349                 pagebreakCB->isEnabled() && pagebreakCB->isChecked();
 350         string box_type;
 351         if (pagebreak)
 352                 box_type = "Framed";
 353         else
 354                 box_type = fromqstr(typeCO->itemData(
 355                                 typeCO->currentIndex()).toString());
 356
 357         InsetBoxParams params(box_type);
 358         params.inner_box =
 359                 (!pagebreak && innerBoxCO->currentText() != qt_("None"));
 360         params.use_parbox =
 361                 (!pagebreak && innerBoxCO->currentText() == qt_("Parbox"));
 362         params.use_makebox =
 363                 (!pagebreak && innerBoxCO->currentText() == qt_("Makebox"));
 364
 365         params.pos = "tcb"[valignCO->currentIndex()];
 366         params.inner_pos = "tcbs"[ialignCO->currentIndex()];
 367         params.hor_pos = "lcrs"[halignCO->currentIndex()];
 368
 369         QString unit =
 370                 widthUnitsLC->itemData(widthUnitsLC->currentIndex()).toString();
 371         QString value = widthED->text();
 372
 373         if (widthED->isEnabled()) {
 374                 if (ids_spec_.contains(unit) && !isValidLength(fromqstr(value))) {
 375                         params.special = fromqstr(unit);
 376                         // Note: the unit is simply ignored in this case
 377                         params.width = Length(value.toDouble(), Length::IN);
 378                 } else {
 379                         params.special = "none";
 380                         // we must specify a valid length in this case
 381                         if (value.isEmpty())
 382                                 widthED->setText("0");
 383                         params.width = Length(widgetsToLength(widthED, widthUnitsLC));
 384                 }
 385         } else {
 386                 params.special = "none";
 387                 params.width = Length();
 388         }
 389
 390         // the height parameter is omitted if the value
 391         // is "1in" and "Total Height" is used as unit.
 392         // 1in + "Total Height" means "1\height" which is the LaTeX default
 393         // if no height is given
 394         if (heightCB->checkState() == Qt::Unchecked) {
 395                 params.height = Length("1in");
 396                 params.height_special = "totalheight";
 397         } else {
 398                 unit = heightUnitsLC->itemData(heightUnitsLC->currentIndex()).toString();
 399                 value = heightED->text();
 400                 if (ids_spec_.contains(unit) && !isValidLength(fromqstr(value))) {
 401                         params.height_special = fromqstr(unit);
 402                         // Note: the unit is simply ignored in this case
 403                         params.height = Length(value.toDouble(), Length::IN);
 404                 } else {
 405                         params.height_special = "none";
 406                         params.height =
 407                                 Length(widgetsToLength(heightED, heightUnitsLC));
 408                 }
 409         }
 410         return from_ascii(InsetBox::params2string(params));
 411 }
 412
 413
 414 void GuiBox::setSpecial(bool ibox)
 415 {
 416         QString const last_item =
 417                 widthUnitsLC->itemData(heightUnitsLC->currentIndex()).toString();
 418
 419         // check if the widget contains the special units
 420         bool const has_special = (widthUnitsLC->findData("totalheight") != -1);
 421         // insert 'em if needed...
 422         if (!ibox && !has_special) {
 423                 for (int i = 1; i < ids_spec_.size(); ++i)
 424                         widthUnitsLC->addItem(gui_names_spec_[i], ids_spec_[i]);
 425         // ... or remove 'em if needed
 426         } else if (ibox && has_special) {
 427                 for (int i = 1; i < ids_spec_.size(); ++i) {
 428                         int n = widthUnitsLC->findData(ids_spec_[i]);
 429                         if (n != -1)
 430                                 widthUnitsLC->removeItem(n);
 431                 }
 432         }
 433         // restore selected text, if possible
 434         widthUnitsLC->setCurrentItem(last_item);
 435 }
 436
 437
 438 void GuiBox::setInnerType(bool frameless, QString const & type)
 439 {
 440         // with "frameless" boxes, inner box is mandatory
 441         // (i.e. is the actual box)
 442         // we have to remove "none" then and adjust the combo
 443         innerBoxCO->clear();
 444         if (!frameless)
 445                 innerBoxCO->addItem(qt_("None"), toqstr("none"));
 446         else
 447                 innerBoxCO->addItem(qt_("Makebox"), toqstr("makebox"));
 448         innerBoxCO->addItem(qt_("Parbox"), toqstr("parbox"));
 449         innerBoxCO->addItem(qt_("Minipage"), toqstr("minipage"));
 450         int i = (innerBoxCO->findData(type) != -1)
 451                 ? innerBoxCO->findData(type) : 0;
 452         innerBoxCO->setCurrentIndex(i);
 453 }
 454
 455 } // namespace frontend
 456 } // namespace lyx
 457
 458
 459 #include "moc_GuiBox.cpp"