src/frontends/qt4/GuiHSpace.cpp

   1 /**
   2  * \file GuiHSpace.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 Spitzmüller
   7  *
   8  * Full author contact details are available in file CREDITS.
   9  */
  10
  11 #include <config.h>
  12
  13 #include "GuiHSpace.h"
  14
  15 #include "LengthCombo.h"
  16 #include "qt_helpers.h"
  17 #include "Validator.h"
  18
  19 #include "Spacing.h"
  20
  21 #include "insets/InsetSpace.h"
  22
  23 #include "mathed/InsetMathSpace.h"
  24
  25 #include "support/gettext.h"
  26 #include "support/lstrings.h"
  27
  28 #include <QCheckBox>
  29 #include <QLineEdit>
  30 #include <QPushButton>
  31 #include <QValidator>
  32
  33 using namespace std;
  34
  35 namespace lyx {
  36 namespace frontend {
  37
  38 GuiHSpace::GuiHSpace(bool math_mode, QWidget * parent)
  39         : InsetParamsWidget(parent), math_mode_(math_mode)
  40 {
  41         setupUi(this);
  42
  43         spacingCO->clear();
  44         if (math_mode_) {
  45                 spacingCO->addItem(qt_("Thin Space"));
  46                 spacingCO->addItem(qt_("Medium Space"));
  47                 spacingCO->addItem(qt_("Thick Space"));
  48                 spacingCO->addItem(qt_("Negative Thin Space"));
  49                 spacingCO->addItem(qt_("Negative Medium Space"));
  50                 spacingCO->addItem(qt_("Negative Thick Space"));
  51                 spacingCO->addItem(qt_("Half Quad (0.5 em)"));
  52                 spacingCO->addItem(qt_("Quad (1 em)"));
  53                 spacingCO->addItem(qt_("Double Quad (2 em)"));
  54                 spacingCO->addItem(qt_("Custom"));
  55         } else {
  56                 spacingCO->addItem(qt_("Interword Space"));
  57                 spacingCO->addItem(qt_("Thin Space"));
  58                 spacingCO->addItem(qt_("Negative Thin Space"));
  59                 spacingCO->addItem(qt_("Half Quad (0.5 em)"));
  60                 spacingCO->addItem(qt_("Quad (1 em)"));
  61                 spacingCO->addItem(qt_("Double Quad (2 em)"));
  62                 spacingCO->addItem(qt_("Horizontal Fill"));
  63                 spacingCO->addItem(qt_("Custom"));
  64         }
  65
  66         connect(spacingCO, SIGNAL(highlighted(QString)),
  67                 this, SLOT(changedSlot()));
  68         connect(valueLE, SIGNAL(textChanged(QString)),
  69                 this, SLOT(changedSlot()));
  70         connect(spacingCO, SIGNAL(activated(int)),
  71                 this, SLOT(changedSlot()));
  72         connect(keepCB, SIGNAL(clicked()),
  73                 this, SLOT(changedSlot()));
  74         connect(unitCO, SIGNAL(selectionChanged(lyx::Length::UNIT)),
  75                 this, SLOT(changedSlot()));
  76         connect(fillPatternCO, SIGNAL(activated(int)),
  77                 this, SLOT(changedSlot()));
  78
  79         if (math_mode_)
  80                 valueLE->setValidator(unsignedLengthValidator(valueLE));
  81         else
  82                 valueLE->setValidator(unsignedGlueLengthValidator(valueLE));
  83
  84         // initialize the length validator
  85         addCheckedWidget(valueLE, valueL);
  86 }
  87
  88
  89 void GuiHSpace::changedSlot()
  90 {
  91         enableWidgets();
  92         changed();
  93 }
  94
  95
  96 void GuiHSpace::enableWidgets()
  97 {
  98         int const selection = spacingCO->currentIndex();
  99         bool const custom = (selection == spacingCO->count() - 1);
 100         valueLE->setEnabled(custom);
 101         unitCO->setEnabled(custom);
 102         if (math_mode_) {
 103                 fillPatternCO->setEnabled(false);
 104                 keepCB->setEnabled(false);
 105                 return;
 106         }
 107         fillPatternCO->setEnabled(selection == 6);
 108         bool const no_pattern = fillPatternCO->currentIndex() == 0;
 109         bool const enable_keep =
 110                 selection == 0 || selection == 3  ||
 111                 (selection == 6 && no_pattern) || custom;
 112         keepCB->setEnabled(enable_keep);
 113 }
 114
 115
 116 void GuiHSpace::paramsToDialog(Inset const * inset)
 117 {
 118         InsetSpaceParams const params = math_mode_
 119                 ? static_cast<InsetMathSpace const *>(inset)->params()
 120                 : static_cast<InsetSpace const *>(inset)->params();
 121
 122         int item = 0;
 123         int pattern = 0;
 124         bool protect = false;
 125         switch (params.kind) {
 126                 case InsetSpaceParams::NORMAL:
 127                         item = 0;
 128                         break;
 129                 case InsetSpaceParams::PROTECTED:
 130                         item = 0;
 131                         protect = !params.math;
 132                         break;
 133                 case InsetSpaceParams::THIN:
 134                         item = params.math ? 0 : 1;
 135                         break;
 136                 case InsetSpaceParams::MEDIUM:
 137                         item = 1;
 138                         break;
 139                 case InsetSpaceParams::THICK:
 140                         item = params.math ? 2 : 1;
 141                         break;
 142                 case InsetSpaceParams::NEGTHIN:
 143                         item = params.math ? 3 : 2;
 144                         break;
 145                 case InsetSpaceParams::NEGMEDIUM:
 146                         item = params.math ? 4 : 2;
 147                         break;
 148                 case InsetSpaceParams::NEGTHICK:
 149                         item = params.math ? 5 : 2;
 150                         break;
 151                 case InsetSpaceParams::ENSKIP:
 152                         item = params.math ? 6 : 3;
 153                         break;
 154                 case InsetSpaceParams::ENSPACE:
 155                         item = params.math ? 6 : 3;
 156                         protect = !params.math;
 157                         break;
 158                 case InsetSpaceParams::QUAD:
 159                         item = params.math ? 7 : 4;
 160                         break;
 161                 case InsetSpaceParams::QQUAD:
 162                         item = params.math ? 8 : 5;
 163                         break;
 164                 case InsetSpaceParams::HFILL:
 165                         item = params.math ? 3 : 6;
 166                         break;
 167                 case InsetSpaceParams::HFILL_PROTECTED:
 168                         item = params.math ? 3 : 6;
 169                         protect = !params.math;
 170                         break;
 171                 case InsetSpaceParams::DOTFILL:
 172                         item = params.math ? 3 : 6;
 173                         pattern = 1;
 174                         break;
 175                 case InsetSpaceParams::HRULEFILL:
 176                         item = params.math ? 3 : 6;
 177                         pattern = 2;
 178                         break;
 179                 case InsetSpaceParams::LEFTARROWFILL:
 180                         item = params.math ? 3 : 6;
 181                         pattern = 3;
 182                         break;
 183                 case InsetSpaceParams::RIGHTARROWFILL:
 184                         item = params.math ? 3 : 6;
 185                         pattern = 4;
 186                         break;
 187                 case InsetSpaceParams::UPBRACEFILL:
 188                         item = params.math ? 3 : 6;
 189                         pattern = 5;
 190                         break;
 191                 case InsetSpaceParams::DOWNBRACEFILL:
 192                         item = params.math ? 3 : 6;
 193                         pattern = 6;
 194                         break;
 195                 case InsetSpaceParams::CUSTOM:
 196                         item = params.math ? 9 : 7;
 197                         break;
 198                 case InsetSpaceParams::CUSTOM_PROTECTED:
 199                         item = params.math ? 9 : 7;
 200                         protect = !params.math;
 201                         break;
 202         }
 203         spacingCO->setCurrentIndex(item);
 204         fillPatternCO->setCurrentIndex(pattern);
 205         keepCB->setChecked(protect);
 206         if (math_mode_) {
 207                 keepCB->setToolTip(qt_("Insert the spacing even after a line break"));
 208         } else if (item == 3) {
 209                 keepCB->setToolTip(qt_("Insert the spacing even after a line break.\n"
 210                                        "Note that a protected Half Quad will be turned into\n"
 211                                        "a vertical space if used at the beginning of a paragraph!"));
 212         } else {
 213                 keepCB->setToolTip(qt_("Insert the spacing even after a line break"));
 214         }
 215         Length::UNIT const default_unit = Length::defaultUnit();
 216         if (item == (params.math ? 9 : 7)) {
 217                 string length = params.length.asString();
 218                 lengthToWidgets(valueLE, unitCO, length, default_unit);
 219         } else
 220                 lengthToWidgets(valueLE, unitCO, "", default_unit);
 221
 222         enableWidgets();
 223 }
 224
 225
 226 docstring GuiHSpace::dialogToMathParams() const
 227 {
 228         InsetSpaceParams params(true);
 229         switch (spacingCO->currentIndex()) {
 230         case 0: params.kind = InsetSpaceParams::THIN;      break;
 231         case 1: params.kind = InsetSpaceParams::MEDIUM;    break;
 232         case 2: params.kind = InsetSpaceParams::THICK;     break;
 233         case 3: params.kind = InsetSpaceParams::NEGTHIN;   break;
 234         case 4: params.kind = InsetSpaceParams::NEGMEDIUM; break;
 235         case 5: params.kind = InsetSpaceParams::NEGTHICK;  break;
 236         case 6: params.kind = InsetSpaceParams::ENSKIP;    break;
 237         case 7: params.kind = InsetSpaceParams::QUAD;      break;
 238         case 8: params.kind = InsetSpaceParams::QQUAD;     break;
 239         case 9:
 240                 params.kind = InsetSpaceParams::CUSTOM;
 241                 params.length = GlueLength(widgetsToLength(valueLE, unitCO));
 242                 break;
 243         }
 244         return from_ascii(InsetSpace::params2string(params));
 245 }
 246
 247
 248 docstring GuiHSpace::dialogToParams() const
 249 {
 250         if (math_mode_)
 251                 return dialogToMathParams();
 252
 253         InsetSpaceParams params(false);
 254
 255         switch (spacingCO->currentIndex()) {
 256                 case 0:
 257                         if (keepCB->isChecked())
 258                                 params.kind = InsetSpaceParams::PROTECTED;
 259                         else
 260                                 params.kind = InsetSpaceParams::NORMAL;
 261                         break;
 262                 case 1:
 263                         params.kind = InsetSpaceParams::THIN;
 264                         break;
 265                 case 2:
 266                         params.kind = InsetSpaceParams::NEGTHIN;
 267                         break;
 268                 case 3:
 269                         if (keepCB->isChecked())
 270                                 params.kind = InsetSpaceParams::ENSPACE;
 271                         else
 272                                 params.kind = InsetSpaceParams::ENSKIP;
 273                         break;
 274                 case 4:
 275                         params.kind = InsetSpaceParams::QUAD;
 276                         break;
 277                 case 5:
 278                         params.kind = InsetSpaceParams::QQUAD;
 279                         break;
 280                 case 6:
 281                         switch (fillPatternCO->currentIndex()) {
 282                         case 1:
 283                                 params.kind = InsetSpaceParams::DOTFILL;
 284                                 break;
 285                         case 2:
 286                                 params.kind = InsetSpaceParams::HRULEFILL;
 287                                 break;
 288                         case 3:
 289                                 params.kind = InsetSpaceParams::LEFTARROWFILL;
 290                                 break;
 291                         case 4:
 292                                 params.kind = InsetSpaceParams::RIGHTARROWFILL;
 293                                 break;
 294                         case 5:
 295                                 params.kind = InsetSpaceParams::UPBRACEFILL;
 296                                 break;
 297                         case 6:
 298                                 params.kind = InsetSpaceParams::DOWNBRACEFILL;
 299                                 break;
 300                         default:
 301                                 if (keepCB->isChecked())
 302                                         params.kind = InsetSpaceParams::HFILL_PROTECTED;
 303                                 else
 304                                         params.kind = InsetSpaceParams::HFILL;
 305                                 break;
 306                         }
 307                         break;
 308                 case 7:
 309                         if (keepCB->isChecked())
 310                                 params.kind = InsetSpaceParams::CUSTOM_PROTECTED;
 311                         else
 312                                 params.kind = InsetSpaceParams::CUSTOM;
 313                         params.length = GlueLength(widgetsToLength(valueLE, unitCO));
 314                         break;
 315         }
 316         return from_ascii(InsetSpace::params2string(params));
 317 }
 318
 319
 320 bool GuiHSpace::checkWidgets() const
 321 {
 322         if (!InsetParamsWidget::checkWidgets())
 323                 return false;
 324         return spacingCO->currentIndex() != (math_mode_ ? 9 : 7)
 325                 || !valueLE->text().isEmpty();
 326 }
 327
 328 } // namespace frontend
 329 } // namespace lyx
 330
 331
 332 #include "moc_GuiHSpace.cpp"