src/frontends/qt4/GuiSymbols.cpp

   1 /**
   2  * \file GuiSymbols.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 "GuiSymbols.h"
  14
  15 #include "Buffer.h"
  16 #include "BufferView.h"
  17
  18 #include "GuiApplication.h"
  19 #include "GuiView.h"
  20
  21 #include "qt_helpers.h"
  22
  23 #include "Encoding.h"
  24 #include "support/gettext.h"
  25
  26 #include <QPixmap>
  27 #include <QListWidgetItem>
  28
  29 // Set to zero if unicode symbols are preferred.
  30 #define USE_PIXMAP 1
  31
  32 using namespace std;
  33
  34 namespace lyx {
  35 namespace frontend {
  36
  37
  38 namespace {
  39
  40 /// name of unicode block, start and end code point
  41 struct UnicodeBlocks {
  42         char const * name;
  43         char_type start;
  44         char_type end;
  45 };
  46
  47
  48 /// all unicode blocks with start and end code point
  49 UnicodeBlocks unicode_blocks[] = {
  50         { N_("Basic Latin"), 0x0000, 0x007f },
  51         { N_("Latin-1 Supplement"), 0x0080, 0x00ff },
  52         { N_("Latin Extended-A"), 0x0100, 0x017f },
  53         { N_("Latin Extended-B"), 0x0180, 0x024f },
  54         { N_("IPA Extensions"), 0x0250, 0x02af },
  55         { N_("Spacing Modifier Letters"), 0x02b0, 0x02ff },
  56         { N_("Combining Diacritical Marks"), 0x0300, 0x036f },
  57         { N_("Greek"), 0x0370, 0x03ff },
  58         { N_("Cyrillic"), 0x0400, 0x04ff },
  59         { N_("Armenian"), 0x0530, 0x058f },
  60         { N_("Hebrew"), 0x0590, 0x05ff },
  61         { N_("Arabic"), 0x0600, 0x06ff },
  62         { N_("Devanagari"), 0x0900, 0x097f },
  63         { N_("Bengali"), 0x0980, 0x09ff },
  64         { N_("Gurmukhi"), 0x0a00, 0x0a7f },
  65         { N_("Gujarati"), 0x0a80, 0x0aff },
  66         { N_("Oriya"), 0x0b00, 0x0b7f },
  67         { N_("Tamil"), 0x0b80, 0x0bff },
  68         { N_("Telugu"), 0x0c00, 0x0c7f },
  69         { N_("Kannada"), 0x0c80, 0x0cff },
  70         { N_("Malayalam"), 0x0d00, 0x0d7f },
  71         { N_("Thai"), 0x0e00, 0x0e7f },
  72         { N_("Lao"), 0x0e80, 0x0eff },
  73         { N_("Tibetan"), 0x0f00, 0x0fbf },
  74         { N_("Georgian"), 0x10a0, 0x10ff },
  75         { N_("Hangul Jamo"), 0x1100, 0x11ff },
  76         { N_("Latin Extended Additional"), 0x1e00, 0x1eff },
  77         { N_("Greek Extended"), 0x1f00, 0x1fff },
  78         { N_("General Punctuation"), 0x2000, 0x206f },
  79         { N_("Superscripts and Subscripts"), 0x2070, 0x209f },
  80         { N_("Currency Symbols"), 0x20a0, 0x20cf },
  81         { N_("Combining Diacritical Marks for Symbols"), 0x20d0, 0x20ff },
  82         { N_("Letterlike Symbols"), 0x2100, 0x214f },
  83         { N_("Number Forms"), 0x2150, 0x218f },
  84         { N_("Arrows"), 0x2190, 0x21ff },
  85         { N_("Mathematical Operators"), 0x2200, 0x22ff },
  86         { N_("Miscellaneous Technical"), 0x2300, 0x23ff },
  87         { N_("Control Pictures"), 0x2400, 0x243f },
  88         { N_("Optical Character Recognition"), 0x2440, 0x245f },
  89         { N_("Enclosed Alphanumerics"), 0x2460, 0x24ff },
  90         { N_("Box Drawing"), 0x2500, 0x257f },
  91         { N_("Block Elements"), 0x2580, 0x259f },
  92         { N_("Geometric Shapes"), 0x25a0, 0x25ff },
  93         { N_("Miscellaneous Symbols"), 0x2600, 0x26ff },
  94         { N_("Dingbats"), 0x2700, 0x27bf },
  95         { N_("CJK Symbols and Punctuation"), 0x3000, 0x303f },
  96         { N_("Hiragana"), 0x3040, 0x309f },
  97         { N_("Katakana"), 0x30a0, 0x30ff },
  98         { N_("Bopomofo"), 0x3100, 0x312f },
  99         { N_("Hangul Compatibility Jamo"), 0x3130, 0x318f },
 100         { N_("Kanbun"), 0x3190, 0x319f },
 101         { N_("Enclosed CJK Letters and Months"), 0x3200, 0x32ff },
 102         { N_("CJK Compatibility"), 0x3300, 0x33ff },
 103         { N_("CJK Unified Ideographs"), 0x4e00, 0x9fa5 },
 104         { N_("Hangul Syllables"), 0xac00, 0xd7a3 },
 105         { N_("High Surrogates"), 0xd800, 0xdb7f },
 106         { N_("Private Use High Surrogates"), 0xdb80, 0xdbff },
 107         { N_("Low Surrogates"), 0xdc00, 0xdfff },
 108         { N_("Private Use Area"), 0xe000, 0xf8ff },
 109         { N_("CJK Compatibility Ideographs"), 0xf900, 0xfaff },
 110         { N_("Alphabetic Presentation Forms"), 0xfb00, 0xfb4f },
 111         { N_("Arabic Presentation Forms-A"), 0xfb50, 0xfdff },
 112         { N_("Combining Half Marks"), 0xfe20, 0xfe2f },
 113         { N_("CJK Compatibility Forms"), 0xfe30, 0xfe4f },
 114         { N_("Small Form Variants"), 0xfe50, 0xfe6f },
 115         { N_("Arabic Presentation Forms-B"), 0xfe70, 0xfeff },
 116         { N_("Halfwidth and Fullwidth Forms"), 0xff00, 0xffef },
 117         { N_("Specials"), 0xfff0, 0xffff },
 118         { N_("Linear B Syllabary"), 0x10000, 0x1007f },
 119         { N_("Linear B Ideograms"), 0x10080, 0x100ff },
 120         { N_("Aegean Numbers"), 0x10100, 0x1013f },
 121         { N_("Ancient Greek Numbers"), 0x10140, 0x1018f },
 122         { N_("Old Italic"), 0x10300, 0x1032f },
 123         { N_("Gothic"), 0x10330, 0x1034f },
 124         { N_("Ugaritic"), 0x10380, 0x1039f },
 125         { N_("Old Persian"), 0x103a0, 0x103df },
 126         { N_("Deseret"), 0x10400, 0x1044f },
 127         { N_("Shavian"), 0x10450, 0x1047f },
 128         { N_("Osmanya"), 0x10480, 0x104af },
 129         { N_("Cypriot Syllabary"), 0x10800, 0x1083f },
 130         { N_("Kharoshthi"), 0x10a00, 0x10a5f },
 131         { N_("Byzantine Musical Symbols"), 0x1d000, 0x1d0ff },
 132         { N_("Musical Symbols"), 0x1d100, 0x1d1ff },
 133         { N_("Ancient Greek Musical Notation"), 0x1d200, 0x1d24f },
 134         { N_("Tai Xuan Jing Symbols"), 0x1d300, 0x1d35f },
 135         { N_("Mathematical Alphanumeric Symbols"), 0x1d400, 0x1d7ff },
 136         { N_("CJK Unified Ideographs Extension B"), 0x20000, 0x2a6d6 },
 137         { N_("CJK Compatibility Ideographs Supplement"), 0x2f800, 0x2fa1f },
 138         { N_("Tags"), 0xe0000, 0xe007f },
 139         { N_("Variation Selectors Supplement"), 0xe0100, 0xe01ef },
 140         { N_("Supplementary Private Use Area-A"), 0xf0000, 0xe01ef },
 141         { N_("Supplementary Private Use Area-B"), 0x100000, 0x10ffff }
 142 };
 143
 144 const int no_blocks = sizeof(unicode_blocks) / sizeof(UnicodeBlocks);
 145
 146 } // namespace anon
 147
 148
 149 GuiSymbols::GuiSymbols(GuiView & lv)
 150         : DialogView(lv, "symbols", qt_("Symbols")), encoding_("ascii")
 151 {
 152         setupUi(this);
 153
 154         setFocusProxy(symbolsLW);
 155
 156         symbolsLW->setViewMode(QListView::IconMode);
 157         symbolsLW->setUniformItemSizes(true);
 158         // increase the display size of the symbols a bit
 159         QFont font= symbolsLW->font();
 160         int size = font.pointSize() + 3;
 161         font.setPointSize(size);
 162         symbolsLW->setFont(font);
 163
 164         okPB->setEnabled(!chosenLE->text().isEmpty() &&
 165                 !bufferview()->buffer().isReadonly());
 166         applyPB->setEnabled(!chosenLE->text().isEmpty() &&
 167                 !bufferview()->buffer().isReadonly());
 168 }
 169
 170
 171 void GuiSymbols::updateView()
 172 {
 173         chosenLE->clear();
 174         initialiseParams(bufferview()->cursor().getEncoding()->name());
 175 }
 176
 177
 178 void GuiSymbols::on_applyPB_clicked()
 179 {
 180         dispatchParams();
 181 }
 182
 183
 184 void GuiSymbols::on_okPB_clicked()
 185 {
 186         dispatchParams();
 187         hide();
 188 }
 189
 190
 191 void GuiSymbols::on_closePB_clicked()
 192 {
 193         hide();
 194 }
 195
 196
 197 void GuiSymbols::on_symbolsLW_itemActivated(QListWidgetItem *)
 198 {
 199         on_okPB_clicked();
 200 }
 201
 202
 203 void GuiSymbols::on_chosenLE_textChanged(QString const & text)
 204 {
 205         okPB->setEnabled(!text.isEmpty() && !bufferview()->buffer().isReadonly());
 206         applyPB->setEnabled(!text.isEmpty() && !bufferview()->buffer().isReadonly());
 207 }
 208
 209
 210 void GuiSymbols::on_chosenLE_returnPressed()
 211 {
 212         on_okPB_clicked();
 213 }
 214
 215
 216 void GuiSymbols::on_symbolsLW_itemClicked(QListWidgetItem * item)
 217 {
 218         QString const text = item->text();
 219         if (text.isEmpty())
 220                 return;
 221         chosenLE->insert(text);
 222         QString const category = getBlock(text.data()->unicode());
 223         categoryCO->setCurrentIndex(categoryCO->findText(category));
 224 }
 225
 226
 227 void GuiSymbols::on_categoryCO_activated(QString const & text)
 228 {
 229         if (used_blocks.find(text) != used_blocks.end())
 230                 symbolsLW->scrollToItem(used_blocks[text]);
 231 }
 232
 233
 234 void GuiSymbols::updateSymbolList()
 235 {
 236         symbolsLW->clear();
 237         used_blocks.clear();
 238         categoryCO->clear();
 239
 240         typedef set<char_type> SymbolsList;
 241         Encoding enc = *(encodings.getFromLyXName(encoding_));
 242         SymbolsList symbols = enc.getSymbolsList();
 243
 244         SymbolsList::const_iterator const end = symbols.end();
 245         for (SymbolsList::const_iterator it = symbols.begin(); it != end; ++it) {
 246                 char_type c = *it;
 247                 // we do not want control or space characters
 248                 if (QChar(c).category() == QChar::Other_Control ||
 249                     QChar(c).category() == QChar::Separator_Space)
 250                         continue;
 251                 QListWidgetItem * lwi = new QListWidgetItem(QChar(c));
 252                 lwi->setTextAlignment(Qt::AlignCenter);
 253                 symbolsLW->addItem(lwi);
 254                 QString block = getBlock(c);
 255                 if (used_blocks.find(block) == used_blocks.end())
 256                         used_blocks[block] = lwi;
 257         }
 258
 259         // update category combo
 260         for (UsedBlocks::iterator it = used_blocks.begin(); it != used_blocks.end(); ++it) {
 261                 categoryCO->addItem(it->first);
 262         }
 263 }
 264
 265
 266 QString const GuiSymbols::getBlock(char_type c) const
 267 {
 268         int i = 0;
 269         while (c > unicode_blocks[i].end && i < no_blocks)
 270                 ++i;
 271         if (unicode_blocks[i].name)
 272                 return toqstr(unicode_blocks[i].name);
 273         return QString();
 274 }
 275
 276
 277
 278 bool GuiSymbols::initialiseParams(string const & data)
 279 {
 280         if (data == encoding_)
 281                 // everything up to date
 282                 return true;
 283         if (!data.empty())
 284                 encoding_ = data;
 285         updateSymbolList();
 286         return true;
 287 }
 288
 289
 290 void GuiSymbols::dispatchParams()
 291 {
 292         dispatch(FuncRequest(LFUN_SELF_INSERT, fromqstr(chosenLE->text())));
 293 }
 294
 295
 296 Dialog * createGuiSymbols(GuiView & lv)
 297 {
 298         return new GuiSymbols(lv);
 299 }
 300
 301
 302 } // namespace frontend
 303 } // namespace lyx
 304
 305 #include "GuiSymbols_moc.cpp"