2 * \file GuiDelimiter.cpp
3 * This file is part of LyX, the document processor.
4 * Licence details can be found in the file COPYING.
8 * Full author contact details are available in file CREDITS.
13 #include "GuiDelimiter.h"
15 #include "GuiApplication.h"
16 #include "GuiFontLoader.h"
18 #include "qt_helpers.h"
20 #include "FontEnums.h"
22 #include "FuncRequest.h"
24 #include "support/gettext.h"
25 #include "support/docstring.h"
29 #include <QListWidgetItem>
41 static char const * latex_delimiters[] = {
42 "(", ")", "{", "}", "[", "]",
43 "lceil", "rceil", "lfloor", "rfloor", "langle", "rangle",
44 "llbracket", "rrbracket",
45 "uparrow", "updownarrow", "Uparrow", "Updownarrow", "downarrow", "Downarrow",
46 "|", "Vert", "/", "backslash", ""
50 static int const nr_latex_delimiters =
51 sizeof(latex_delimiters) / sizeof(char const *);
53 static QString const bigleft[] = {"", "bigl", "Bigl", "biggl", "Biggl"};
55 static QString const bigright[] = {"", "bigr", "Bigr", "biggr", "Biggr"};
57 static char const * const biggui[] = {
58 N_("big[[delimiter size]]"),
59 N_("Big[[delimiter size]]"),
60 N_("bigg[[delimiter size]]"),
61 N_("Bigg[[delimiter size]]"),
66 // FIXME: It might be better to fix the big delim LFUN to not require
67 // additional '\' prefix.
68 static QString fix_name(QString const & str, bool big)
72 if (!big || str == "(" || str == ")" || str == "[" || str == "]"
73 || str == "|" || str == "/")
80 MathSymbol(char_type uc = '?', unsigned char fc = 0,
81 FontFamily ff = SYMBOL_FAMILY)
82 : unicode(uc), fontcode(fc), fontfamily(ff)
85 unsigned char fontcode;
86 FontFamily fontfamily;
89 /// TeX-name / Math-symbol map.
90 static map<std::string, MathSymbol> math_symbols_;
91 /// Math-symbol / TeX-name map.
92 /// This one is for fast search, it contains the same data as
94 static map<char_type, string> tex_names_;
96 void initMathSymbols()
98 // FIXME: Ideally, those unicode codepoints would be defined
99 // in "lib/symbols". Unfortunately, some of those are already
100 // defined with non-unicode ids for use within mathed.
101 // FIXME 2: We should fill-in this map with the parsed "symbols"
102 // file done in MathFactory.cpp.
103 math_symbols_["("] = MathSymbol('(', 40, CMR_FAMILY);
104 math_symbols_[")"] = MathSymbol(')', 41, CMR_FAMILY);
105 math_symbols_["{"] = MathSymbol('{', 102, CMSY_FAMILY);
106 math_symbols_["}"] = MathSymbol('}', 103, CMSY_FAMILY);
107 math_symbols_["["] = MathSymbol('[', 91, CMR_FAMILY);
108 math_symbols_["]"] = MathSymbol(']', 93, CMR_FAMILY);
109 math_symbols_["|"] = MathSymbol('|', 106, CMSY_FAMILY);
110 math_symbols_["/"] = MathSymbol('/', 47, CMR_FAMILY);
111 math_symbols_["backslash"] = MathSymbol('\\', 110, CMSY_FAMILY);
112 math_symbols_["lceil"] = MathSymbol(0x2308, 100, CMSY_FAMILY);
113 math_symbols_["rceil"] = MathSymbol(0x2309, 101, CMSY_FAMILY);
114 math_symbols_["lfloor"] = MathSymbol(0x230A, 98, CMSY_FAMILY);
115 math_symbols_["rfloor"] = MathSymbol(0x230B, 99, CMSY_FAMILY);
116 math_symbols_["langle"] = MathSymbol(0x2329, 104, CMSY_FAMILY);
117 math_symbols_["rangle"] = MathSymbol(0x232A, 105, CMSY_FAMILY);
118 math_symbols_["llbracket"] = MathSymbol(0x27e6, 74, STMARY_FAMILY);
119 math_symbols_["rrbracket"] = MathSymbol(0x27e7, 75, STMARY_FAMILY);
120 math_symbols_["uparrow"] = MathSymbol(0x2191, 34, CMSY_FAMILY);
121 math_symbols_["Uparrow"] = MathSymbol(0x21D1, 42, CMSY_FAMILY);
122 math_symbols_["updownarrow"] = MathSymbol(0x2195, 108, CMSY_FAMILY);
123 math_symbols_["Updownarrow"] = MathSymbol(0x21D5, 109, CMSY_FAMILY);
124 math_symbols_["downarrow"] = MathSymbol(0x2193, 35, CMSY_FAMILY);
125 math_symbols_["Downarrow"] = MathSymbol(0x21D3, 43, CMSY_FAMILY);
126 math_symbols_["downdownarrows"] = MathSymbol(0x21CA, 184, MSA_FAMILY);
127 math_symbols_["downharpoonleft"] = MathSymbol(0x21C3, 188, MSA_FAMILY);
128 math_symbols_["downharpoonright"] = MathSymbol(0x21C2, 186, MSA_FAMILY);
129 math_symbols_["vert"] = MathSymbol(0x007C, 106, CMSY_FAMILY);
130 math_symbols_["Vert"] = MathSymbol(0x2016, 107, CMSY_FAMILY);
132 map<string, MathSymbol>::const_iterator it = math_symbols_.begin();
133 map<string, MathSymbol>::const_iterator end = math_symbols_.end();
134 for (; it != end; ++it)
135 tex_names_[it->second.unicode] = it->first;
138 /// \return the math unicode symbol associated to a TeX name.
139 MathSymbol const & mathSymbol(string tex_name)
141 map<string, MathSymbol>::const_iterator it =
142 math_symbols_.find(tex_name);
144 static MathSymbol const unknown_symbol;
145 if (it == math_symbols_.end())
146 return unknown_symbol;
151 /// \return the TeX name associated to a math unicode symbol.
152 string const & texName(char_type math_symbol)
154 map<char_type, string>::const_iterator it =
155 tex_names_.find(math_symbol);
157 static string const empty_string;
158 if (it == tex_names_.end())
167 GuiDelimiter::GuiDelimiter(GuiView & lv)
168 : GuiDialog(lv, "mathdelimiter", qt_("Math Delimiter"))
172 connect(closePB, SIGNAL(clicked()), this, SLOT(accept()));
174 setFocusProxy(leftLW);
176 leftLW->setViewMode(QListView::IconMode);
177 rightLW->setViewMode(QListView::IconMode);
179 leftLW->setDragDropMode(QAbstractItemView::NoDragDrop);
180 rightLW->setDragDropMode(QAbstractItemView::NoDragDrop);
184 typedef map<char_type, QListWidgetItem *> ListItems;
185 ListItems list_items;
186 // The last element is the empty one.
187 int const end = nr_latex_delimiters - 1;
188 for (int i = 0; i < end; ++i) {
189 string const delim = latex_delimiters[i];
190 MathSymbol const & ms = mathSymbol(delim);
191 // Due to a bug in Qt 4 on Windows, we need to use our math symbol font
192 // on Windows (see #5760).
193 // FIXME: Re-check after Windows has settled to Qt 5.
194 // ATM, this doesn't work also with Qt 5.4.1 because of still missing
195 // glyphs for \llbracket and \rrbracket.
196 #if defined(Q_OS_WIN) || defined(Q_CYGWIN_WIN)
197 QString symbol(ms.fontcode?
198 QChar(ms.fontcode) : toqstr(docstring(1, ms.unicode)));
199 QListWidgetItem * lwi = new QListWidgetItem(symbol);
201 lyxfont.setFamily(ms.fontfamily);
202 QFont font = frontend::getFont(lyxfont);
204 QString symbol(QChar(ms.unicode));
205 QListWidgetItem * lwi = new QListWidgetItem(symbol);
206 QFont font = lwi->font();
207 font.setPointSize(2 * font.pointSize());
210 lwi->setToolTip(toqstr(delim));
211 list_items[ms.unicode] = lwi;
212 leftLW->addItem(lwi);
215 for (int i = 0; i != leftLW->count(); ++i) {
216 MathSymbol const & ms = mathSymbol(
217 fromqstr(leftLW->item(i)->toolTip()));
218 rightLW->addItem(list_items[doMatch(ms.unicode)]->clone());
221 // The last element is the empty one.
222 QListWidgetItem * lwi = new QListWidgetItem(qt_("(None)"));
223 QListWidgetItem * rwi = new QListWidgetItem(qt_("(None)"));
224 // See above comment.
225 // FIXME: Re-check after Windows has settled to Qt 5.
226 #if !defined(Q_OS_WIN) && !defined(Q_CYGWIN_WIN)
227 QFont font = lwi->font();
228 font.setPointSize(2 * font.pointSize());
232 leftLW->addItem(lwi);
233 rightLW->addItem(rwi);
235 sizeCO->addItem(qt_("Variable"));
237 for (int i = 0; *biggui[i]; ++i)
238 sizeCO->addItem(qt_(biggui[i]));
240 on_leftLW_currentRowChanged(0);
241 bc().setPolicy(ButtonPolicy::IgnorantPolicy);
245 char_type GuiDelimiter::doMatch(char_type const symbol)
247 string const & str = texName(symbol);
249 if (str == "(") match = ")";
250 else if (str == ")") match = "(";
251 else if (str == "[") match = "]";
252 else if (str == "]") match = "[";
253 else if (str == "{") match = "}";
254 else if (str == "}") match = "{";
255 else if (str == "l") match = "r";
256 else if (str == "rceil") match = "lceil";
257 else if (str == "lceil") match = "rceil";
258 else if (str == "rfloor") match = "lfloor";
259 else if (str == "lfloor") match = "rfloor";
260 else if (str == "rangle") match = "langle";
261 else if (str == "langle") match = "rangle";
262 else if (str == "llbracket") match = "rrbracket";
263 else if (str == "rrbracket") match = "llbracket";
264 else if (str == "backslash") match = "/";
265 else if (str == "/") match = "backslash";
268 return mathSymbol(match).unicode;
272 void GuiDelimiter::updateTeXCode(int size)
274 bool const bigsize = size != 0;
276 QString left_str = fix_name(leftLW->currentItem()->toolTip(), bigsize);
277 QString right_str = fix_name(rightLW->currentItem()->toolTip(), bigsize);
280 tex_code_ = left_str + ' ' + right_str;
282 tex_code_ = bigleft[size] + ' '
284 + bigright[size] + ' '
288 // Generate TeX-code for GUI display.
289 // FIXME: Instead of reconstructing the TeX code it would be nice to
290 // FIXME: retrieve the LateX code directly from mathed.
291 // In all cases, we want the '\' prefix if needed, so we pass 'true'
293 left_str = fix_name(leftLW->currentItem()->toolTip(), true);
294 right_str = fix_name(rightLW->currentItem()->toolTip(), true);
297 code_str = "\\left" + left_str + " \\right" + right_str;
299 // There should be nothing in the TeX-code when the delimiter is "None".
301 code_str = "\\" + bigleft[size] + left_str + ' ';
302 if (right_str != ".")
303 code_str += "\\" + bigright[size] + right_str;
306 texCodeL->setText(qt_("TeX Code: ") + code_str);
310 void GuiDelimiter::on_insertPB_clicked()
312 if (sizeCO->currentIndex() == 0)
313 dispatch(FuncRequest(LFUN_MATH_DELIM, fromqstr(tex_code_)));
315 QString command = '"' + tex_code_ + '"';
316 command.replace(' ', "\" \"");
317 dispatch(FuncRequest(LFUN_MATH_BIGDELIM, fromqstr(command)));
322 void GuiDelimiter::on_sizeCO_activated(int index)
324 updateTeXCode(index);
328 void GuiDelimiter::on_leftLW_itemActivated(QListWidgetItem *)
330 // do not auto-apply if !matchCB->isChecked()
331 if (!matchCB->isChecked())
333 on_insertPB_clicked();
338 void GuiDelimiter::on_rightLW_itemActivated(QListWidgetItem *)
340 // do not auto-apply if !matchCB->isChecked()
341 if (!matchCB->isChecked())
343 on_insertPB_clicked();
348 void GuiDelimiter::on_leftLW_currentRowChanged(int item)
350 if (matchCB->isChecked())
351 rightLW->setCurrentRow(item);
353 updateTeXCode(sizeCO->currentIndex());
357 void GuiDelimiter::on_rightLW_currentRowChanged(int item)
359 if (matchCB->isChecked())
360 leftLW->setCurrentRow(item);
362 updateTeXCode(sizeCO->currentIndex());
366 void GuiDelimiter::on_matchCB_stateChanged(int state)
368 if (state == Qt::Checked)
369 on_leftLW_currentRowChanged(leftLW->currentRow());
371 updateTeXCode(sizeCO->currentIndex());
375 Dialog * createGuiDelimiter(GuiView & lv) { return new GuiDelimiter(lv); }
378 } // namespace frontend
381 #include "moc_GuiDelimiter.cpp"