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