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