3 * This file is part of LyX, the document processor.
4 * Licence details can be found in the file COPYING.
6 * \author Jürgen Spitzmüller
8 * Full author contact details are available in file CREDITS.
13 #include "GuiSymbols.h"
15 #include "GuiApplication.h"
17 #include "qt_helpers.h"
20 #include "BufferParams.h"
21 #include "BufferView.h"
24 #include "FuncRequest.h"
26 #include "support/debug.h"
27 #include "support/gettext.h"
42 /// name of unicode block, start and end code point
43 struct UnicodeBlocks {
51 /// all unicode blocks with start and end code point
52 UnicodeBlocks unicode_blocks[] = {
53 { N_("Basic Latin"), QString(), 0x0000, 0x007f },
54 { N_("Latin-1 Supplement"), QString(), 0x0080, 0x00ff },
55 { N_("Latin Extended-A"), QString(), 0x0100, 0x017f },
56 { N_("Latin Extended-B"), QString(), 0x0180, 0x024f },
57 { N_("IPA Extensions"), QString(), 0x0250, 0x02af },
58 { N_("Spacing Modifier Letters"), QString(), 0x02b0, 0x02ff },
59 { N_("Combining Diacritical Marks"), QString(), 0x0300, 0x036f },
60 { N_("Greek"), QString(), 0x0370, 0x03ff },
61 { N_("Cyrillic"), QString(), 0x0400, 0x04ff },
62 { N_("Armenian"), QString(), 0x0530, 0x058f },
63 { N_("Hebrew"), QString(), 0x0590, 0x05ff },
64 { N_("Arabic"), QString(), 0x0600, 0x06ff },
65 { N_("Devanagari"), QString(), 0x0900, 0x097f },
66 { N_("Bengali"), QString(), 0x0980, 0x09ff },
67 { N_("Gurmukhi"), QString(), 0x0a00, 0x0a7f },
68 { N_("Gujarati"), QString(), 0x0a80, 0x0aff },
69 { N_("Oriya"), QString(), 0x0b00, 0x0b7f },
70 { N_("Tamil"), QString(), 0x0b80, 0x0bff },
71 { N_("Telugu"), QString(), 0x0c00, 0x0c7f },
72 { N_("Kannada"), QString(), 0x0c80, 0x0cff },
73 { N_("Malayalam"), QString(), 0x0d00, 0x0d7f },
74 { N_("Thai"), QString(), 0x0e00, 0x0e7f },
75 { N_("Lao"), QString(), 0x0e80, 0x0eff },
76 { N_("Tibetan"), QString(), 0x0f00, 0x0fbf },
77 { N_("Georgian"), QString(), 0x10a0, 0x10ff },
78 { N_("Hangul Jamo"), QString(), 0x1100, 0x11ff },
79 { N_("Phonetic Extensions"), QString(), 0x1d00, 0x1d7f },
80 { N_("Latin Extended Additional"), QString(), 0x1e00, 0x1eff },
81 { N_("Greek Extended"), QString(), 0x1f00, 0x1fff },
82 { N_("General Punctuation"), QString(), 0x2000, 0x206f },
83 { N_("Superscripts and Subscripts"), QString(), 0x2070, 0x209f },
84 { N_("Currency Symbols"), QString(), 0x20a0, 0x20cf },
85 { N_("Combining Diacritical Marks for Symbols"), QString(), 0x20d0, 0x20ff },
86 { N_("Letterlike Symbols"), QString(), 0x2100, 0x214f },
87 { N_("Number Forms"), QString(), 0x2150, 0x218f },
88 { N_("Arrows"), QString(), 0x2190, 0x21ff },
89 { N_("Mathematical Operators"), QString(), 0x2200, 0x22ff },
90 { N_("Miscellaneous Technical"), QString(), 0x2300, 0x23ff },
91 { N_("Control Pictures"), QString(), 0x2400, 0x243f },
92 { N_("Optical Character Recognition"), QString(), 0x2440, 0x245f },
93 { N_("Enclosed Alphanumerics"), QString(), 0x2460, 0x24ff },
94 { N_("Box Drawing"), QString(), 0x2500, 0x257f },
95 { N_("Block Elements"), QString(), 0x2580, 0x259f },
96 { N_("Geometric Shapes"), QString(), 0x25a0, 0x25ff },
97 { N_("Miscellaneous Symbols"), QString(), 0x2600, 0x26ff },
98 { N_("Dingbats"), QString(), 0x2700, 0x27bf },
99 { N_("Miscellaneous Mathematical Symbols-A"), QString(), 0x27c0, 0x27ef },
100 { N_("CJK Symbols and Punctuation"), QString(), 0x3000, 0x303f },
101 { N_("Hiragana"), QString(), 0x3040, 0x309f },
102 { N_("Katakana"), QString(), 0x30a0, 0x30ff },
103 { N_("Bopomofo"), QString(), 0x3100, 0x312f },
104 { N_("Hangul Compatibility Jamo"), QString(), 0x3130, 0x318f },
105 { N_("Kanbun"), QString(), 0x3190, 0x319f },
106 { N_("Enclosed CJK Letters and Months"), QString(), 0x3200, 0x32ff },
107 { N_("CJK Compatibility"), QString(), 0x3300, 0x33ff },
108 { N_("CJK Unified Ideographs"), QString(), 0x4e00, 0x9fa5 },
109 { N_("Hangul Syllables"), QString(), 0xac00, 0xd7a3 },
110 { N_("High Surrogates"), QString(), 0xd800, 0xdb7f },
111 { N_("Private Use High Surrogates"), QString(), 0xdb80, 0xdbff },
112 { N_("Low Surrogates"), QString(), 0xdc00, 0xdfff },
113 { N_("Private Use Area"), QString(), 0xe000, 0xf8ff },
114 { N_("CJK Compatibility Ideographs"), QString(), 0xf900, 0xfaff },
115 { N_("Alphabetic Presentation Forms"), QString(), 0xfb00, 0xfb4f },
116 { N_("Arabic Presentation Forms-A"), QString(), 0xfb50, 0xfdff },
117 { N_("Combining Half Marks"), QString(), 0xfe20, 0xfe2f },
118 { N_("CJK Compatibility Forms"), QString(), 0xfe30, 0xfe4f },
119 { N_("Small Form Variants"), QString(), 0xfe50, 0xfe6f },
120 { N_("Arabic Presentation Forms-B"), QString(), 0xfe70, 0xfeff },
121 { N_("Halfwidth and Fullwidth Forms"), QString(), 0xff00, 0xffef },
122 { N_("Specials"), QString(), 0xfff0, 0xffff },
123 { N_("Linear B Syllabary"), QString(), 0x10000, 0x1007f },
124 { N_("Linear B Ideograms"), QString(), 0x10080, 0x100ff },
125 { N_("Aegean Numbers"), QString(), 0x10100, 0x1013f },
126 { N_("Ancient Greek Numbers"), QString(), 0x10140, 0x1018f },
127 { N_("Old Italic"), QString(), 0x10300, 0x1032f },
128 { N_("Gothic"), QString(), 0x10330, 0x1034f },
129 { N_("Ugaritic"), QString(), 0x10380, 0x1039f },
130 { N_("Old Persian"), QString(), 0x103a0, 0x103df },
131 { N_("Deseret"), QString(), 0x10400, 0x1044f },
132 { N_("Shavian"), QString(), 0x10450, 0x1047f },
133 { N_("Osmanya"), QString(), 0x10480, 0x104af },
134 { N_("Cypriot Syllabary"), QString(), 0x10800, 0x1083f },
135 { N_("Kharoshthi"), QString(), 0x10a00, 0x10a5f },
136 { N_("Byzantine Musical Symbols"), QString(), 0x1d000, 0x1d0ff },
137 { N_("Musical Symbols"), QString(), 0x1d100, 0x1d1ff },
138 { N_("Ancient Greek Musical Notation"), QString(), 0x1d200, 0x1d24f },
139 { N_("Tai Xuan Jing Symbols"), QString(), 0x1d300, 0x1d35f },
140 { N_("Mathematical Alphanumeric Symbols"), QString(), 0x1d400, 0x1d7ff },
141 { N_("CJK Unified Ideographs Extension B"), QString(), 0x20000, 0x2a6d6 },
142 { N_("CJK Compatibility Ideographs Supplement"), QString(), 0x2f800, 0x2fa1f },
143 { N_("Tags"), QString(), 0xe0000, 0xe007f },
144 { N_("Variation Selectors Supplement"), QString(), 0xe0100, 0xe01ef },
145 { N_("Supplementary Private Use Area-A"), QString(), 0xf0000, 0xffffd },
146 { N_("Supplementary Private Use Area-B"), QString(), 0x100000, 0x10fffd }
149 const int no_blocks = sizeof(unicode_blocks) / sizeof(UnicodeBlocks);
152 QString getBlock(char_type c)
154 // store an educated guess for the next search
156 static int lastBlock = 0;
162 // off the end already
163 if (lastBlock == no_blocks)
166 // c falls into a covered area, and we can guess which
167 if (c >= unicode_blocks[lastBlock].start
168 && c <= unicode_blocks[lastBlock].end)
169 return unicode_blocks[lastBlock].qname;
171 // c falls into an uncovered area, but we can guess which
172 if (c > unicode_blocks[lastBlock].end
173 && c < unicode_blocks[lastBlock + 1].start)
176 // guessing was wrong so far. do a real search.
178 while (i < no_blocks && c > unicode_blocks[i].end)
183 //LYXERR0("fail: " << int(c) << ' ' << lastBlock);
184 return unicode_blocks[lastBlock].qname;
191 /////////////////////////////////////////////////////////////////////
195 /////////////////////////////////////////////////////////////////////
197 class GuiSymbols::Model : public QAbstractListModel
200 Model(GuiSymbols * parent)
201 : QAbstractListModel(parent)
204 QModelIndex index(int row, int column, QModelIndex const &) const
206 return createIndex(row, column);
209 QModelIndex parent(QModelIndex const &) const
211 return QModelIndex();
214 int rowCount(QModelIndex const &) const
216 return symbols_.count();
219 QVariant data(QModelIndex const & index, int role) const
221 if (!index.isValid())
224 char_type c = symbols_.at(index.row());
227 case Qt::TextAlignmentRole:
228 return QVariant(Qt::AlignCenter);
229 case Qt::DisplayRole:
231 case Qt::ToolTipRole: {
234 // how is the character output in the current encoding?
235 docstring const code = encoding_->latexChar(c).first;
236 // only show it when it is not coded by itself
237 if (code != docstring(1, c))
238 latex = qt_("<p>LaTeX code: %1</p>").arg(toqstr(code));
240 return formatToolTip(QString("<p align=center><span "
241 "style=\"font-size: xx-large;\">%1"
242 "</span><br>U+%2</p>%3")
244 .arg(QString("%1").arg(c, 0, 16).toUpper())
247 case Qt::SizeHintRole:
248 // Fix many symbols not displaying in combination with
249 // setUniformItemSizes
250 return QSize(1000,1000);
256 void setSymbols(QList<char_type> const & symbols, Encoding const * encoding)
259 beginInsertRows(QModelIndex(), 0, symbols.size() - 1);
261 encoding_ = encoding;
267 friend class GuiSymbols;
269 QList<char_type> symbols_;
270 Encoding const * encoding_;
274 /////////////////////////////////////////////////////////////////////
278 /////////////////////////////////////////////////////////////////////
280 GuiSymbols::GuiSymbols(GuiView & lv)
281 : DialogView(lv, "symbols", qt_("Symbols")), encoding_("ascii"),
282 model_(new Model(this))
287 for (int i = 0 ; i < no_blocks; ++i)
288 unicode_blocks[i].qname = qt_(unicode_blocks[i].name);
290 setFocusProxy(symbolsLW);
292 symbolsLW->setViewMode(QListView::IconMode);
293 symbolsLW->setLayoutMode(QListView::Batched);
294 symbolsLW->setBatchSize(1000);
295 symbolsLW->setUniformItemSizes(true);
297 // increase the display size of the symbols a bit
298 QFont font = symbolsLW->font();
299 const int size = font.pointSize() + 3;
300 font.setPointSize(size);
301 symbolsLW->setFont(font);
302 QFontMetrics fm(font);
303 const int cellHeight = fm.height() + 6;
304 // FIXME: using at least cellHeight because of
305 // QFontMetrics::maxWidth() is returning 0 with Qt/Cocoa on Mac OS
306 const int cellWidth = max(cellHeight - 2, fm.maxWidth() + 4);
307 symbolsLW->setGridSize(QSize(cellWidth, cellHeight));
308 symbolsLW->setModel(model_);
312 void GuiSymbols::updateView()
316 string new_encoding = bufferview()->cursor().getEncoding()->name();
317 if (buffer().params().inputenc != "auto" &&
318 buffer().params().inputenc != "default")
319 new_encoding = buffer().params().encoding().name();
320 if (new_encoding == encoding_)
321 // everything up to date
323 if (!new_encoding.empty())
324 encoding_ = new_encoding;
325 bool const utf8 = toqstr(encoding_).startsWith("utf8");
327 categoryFilterCB->setChecked(false);
328 //categoryFilterCB->setEnabled(!utf8);
333 void GuiSymbols::enableView(bool enable)
335 chosenLE->setEnabled(enable);
336 okPB->setEnabled(enable);
337 applyPB->setEnabled(enable);
341 void GuiSymbols::on_applyPB_clicked()
347 void GuiSymbols::on_okPB_clicked()
354 void GuiSymbols::on_closePB_clicked()
360 void GuiSymbols::on_symbolsLW_activated(QModelIndex const &)
366 void GuiSymbols::on_chosenLE_textChanged(QString const & text)
368 bool const empty_sel = text.isEmpty();
369 okPB->setEnabled(!empty_sel);
370 applyPB->setEnabled(!empty_sel);
374 void GuiSymbols::on_chosenLE_returnPressed()
380 void GuiSymbols::on_symbolsLW_clicked(QModelIndex const & index)
382 QString const text = model_->data(index, Qt::DisplayRole).toString();
385 if (chosenLE->isEnabled())
386 chosenLE->insert(text);
387 if (categoryFilterCB->isChecked()) {
388 QString const category = getBlock(text.data()->unicode());
389 categoryCO->setCurrentIndex(categoryCO->findText(category));
394 void GuiSymbols::on_categoryCO_activated(QString const & text)
396 if (!categoryFilterCB->isChecked())
397 updateSymbolList(false);
403 void GuiSymbols::on_categoryFilterCB_toggled(bool on)
405 updateSymbolList(on);
407 scrollToItem(categoryCO->currentText());
411 void GuiSymbols::scrollToItem(QString const & category)
413 if (used_blocks.find(category) == used_blocks.end())
415 int row = used_blocks[category];
416 QModelIndex index = symbolsLW->model()->index(row, 0, QModelIndex());
417 symbolsLW->scrollTo(index, QAbstractItemView::PositionAtTop);
421 void GuiSymbols::updateSymbolList(bool update_combo)
423 QString category = categoryCO->currentText();
424 bool const nocategory = category.isEmpty();
425 char_type range_start = 0x0000;
426 char_type range_end = 0x110000;
432 bool const show_all = categoryFilterCB->isChecked();
434 Encoding const * const enc = encodings.fromLyXName(encoding_);
436 if (symbols_.empty() || update_combo)
437 symbols_ = enc->symbolsList();
440 for (int i = 0 ; i < no_blocks; ++i)
441 if (unicode_blocks[i].qname == category) {
442 range_start = unicode_blocks[i].start;
443 range_end = unicode_blocks[i].end;
448 SymbolsList::const_iterator const end = symbols_.end();
450 for (SymbolsList::const_iterator it = symbols_.begin(); it != end; ++it) {
452 if (!update_combo && !show_all && (c <= range_start || c >= range_end))
454 QChar::Category const cat = QChar::category(uint(c));
455 // we do not want control or space characters
456 if (cat == QChar::Other_Control || cat == QChar::Separator_Space)
459 if (show_all || (c >= range_start && c <= range_end))
462 QString block = getBlock(c);
463 if (category.isEmpty())
465 if (used_blocks.find(block) == used_blocks.end())
466 used_blocks[block] = numItem;
469 model_->setSymbols(s, enc);
472 // update category combo
473 for (UsedBlocks::iterator it = used_blocks.begin();
474 it != used_blocks.end(); ++it) {
475 categoryCO->addItem(it->first);
479 int old = categoryCO->findText(category);
481 categoryCO->setCurrentIndex(old);
482 // update again in case the combo has not yet been filled
483 // on first cycle (at dialog initialization)
484 if (nocategory && !category.isEmpty())
489 void GuiSymbols::dispatchParams()
491 dispatch(FuncRequest(getLfun(), fromqstr(chosenLE->text())));
495 Dialog * createGuiSymbols(GuiView & lv)
497 return new GuiSymbols(lv);
501 } // namespace frontend
504 #include "moc_GuiSymbols.cpp"