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