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