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 "uparrow", "updownarrow", "Uparrow", "Updownarrow", "downarrow", "Downarrow",
45 "|", "Vert", "/", "backslash", ""
49 static int const nr_latex_delimiters =
50 sizeof(latex_delimiters) / sizeof(char const *);
52 static QString const bigleft[] = {"", "bigl", "Bigl", "biggl", "Biggl"};
54 static QString const bigright[] = {"", "bigr", "Bigr", "biggr", "Biggr"};
56 static char const * const biggui[] = {
57 N_("big[[delimiter size]]"),
58 N_("Big[[delimiter size]]"),
59 N_("bigg[[delimiter size]]"),
60 N_("Bigg[[delimiter size]]"),
65 // FIXME: It might be better to fix the big delim LFUN to not require
66 // additional '\' prefix.
67 static QString fix_name(QString const & str, bool big)
71 if (!big || str == "(" || str == ")" || str == "[" || str == "]"
72 || str == "|" || str == "/")
79 MathSymbol(char_type uc = '?', unsigned char fc = 0,
80 FontFamily ff = SYMBOL_FAMILY)
81 : unicode(uc), fontcode(fc), fontfamily(ff)
84 unsigned char fontcode;
85 FontFamily fontfamily;
88 /// TeX-name / Math-symbol map.
89 static map<std::string, MathSymbol> math_symbols_;
90 /// Math-symbol / TeX-name map.
91 /// This one is for fast search, it contains the same data as
93 static map<char_type, string> tex_names_;
95 void initMathSymbols()
97 // FIXME: Ideally, those unicode codepoints would be defined
98 // in "lib/symbols". Unfortunately, some of those are already
99 // defined with non-unicode ids for use within mathed.
100 // FIXME 2: We should fill-in this map with the parsed "symbols"
101 // file done in MathFactory.cpp.
102 math_symbols_["("] = MathSymbol('(');
103 math_symbols_[")"] = MathSymbol(')');
104 math_symbols_["{"] = MathSymbol('{');
105 math_symbols_["}"] = MathSymbol('}');
106 math_symbols_["["] = MathSymbol('[');
107 math_symbols_["]"] = MathSymbol(']');
108 math_symbols_["|"] = MathSymbol('|');
109 math_symbols_["/"] = MathSymbol('/', 54, CMSY_FAMILY);
110 math_symbols_["backslash"] = MathSymbol('\\', 110, CMSY_FAMILY);
111 math_symbols_["lceil"] = MathSymbol(0x2308, 100, CMSY_FAMILY);
112 math_symbols_["rceil"] = MathSymbol(0x2309, 101, CMSY_FAMILY);
113 math_symbols_["lfloor"] = MathSymbol(0x230A, 98, CMSY_FAMILY);
114 math_symbols_["rfloor"] = MathSymbol(0x230B, 99, CMSY_FAMILY);
115 math_symbols_["langle"] = MathSymbol(0x2329, 104, CMSY_FAMILY);
116 math_symbols_["rangle"] = MathSymbol(0x232A, 105, CMSY_FAMILY);
117 math_symbols_["uparrow"] = MathSymbol(0x2191, 34, CMSY_FAMILY);
118 math_symbols_["Uparrow"] = MathSymbol(0x21D1, 42, CMSY_FAMILY);
119 math_symbols_["updownarrow"] = MathSymbol(0x2195, 108, CMSY_FAMILY);
120 math_symbols_["Updownarrow"] = MathSymbol(0x21D5, 109, CMSY_FAMILY);
121 math_symbols_["downarrow"] = MathSymbol(0x2193, 35, CMSY_FAMILY);
122 math_symbols_["Downarrow"] = MathSymbol(0x21D3, 43, CMSY_FAMILY);
123 math_symbols_["downdownarrows"] = MathSymbol(0x21CA, 184, MSA_FAMILY);
124 math_symbols_["downharpoonleft"] = MathSymbol(0x21C3, 188, MSA_FAMILY);
125 math_symbols_["downharpoonright"] = MathSymbol(0x21C2, 186, MSA_FAMILY);
126 math_symbols_["vert"] = MathSymbol(0x007C, 106, CMSY_FAMILY);
127 math_symbols_["Vert"] = MathSymbol(0x2016, 107, CMSY_FAMILY);
129 map<string, MathSymbol>::const_iterator it = math_symbols_.begin();
130 map<string, MathSymbol>::const_iterator end = math_symbols_.end();
131 for (; it != end; ++it)
132 tex_names_[it->second.unicode] = it->first;
135 /// \return the math unicode symbol associated to a TeX name.
136 MathSymbol const & mathSymbol(string tex_name)
138 map<string, MathSymbol>::const_iterator it =
139 math_symbols_.find(tex_name);
141 static MathSymbol unknown_symbol;
142 if (it == math_symbols_.end())
143 return unknown_symbol;
148 /// \return the TeX name associated to a math unicode symbol.
149 string const & texName(char_type math_symbol)
151 map<char_type, string>::const_iterator it =
152 tex_names_.find(math_symbol);
154 static string empty_string;
155 if (it == tex_names_.end())
164 GuiDelimiter::GuiDelimiter(GuiView & lv)
165 : GuiDialog(lv, "mathdelimiter", qt_("Math Delimiter"))
169 connect(closePB, SIGNAL(clicked()), this, SLOT(accept()));
171 setFocusProxy(leftLW);
173 leftLW->setViewMode(QListView::IconMode);
174 rightLW->setViewMode(QListView::IconMode);
178 typedef map<char_type, QListWidgetItem *> ListItems;
179 ListItems list_items;
180 // The last element is the empty one.
181 int const end = nr_latex_delimiters - 1;
182 for (int i = 0; i < end; ++i) {
183 string const delim = latex_delimiters[i];
184 MathSymbol const & ms = mathSymbol(delim);
185 QString symbol(ms.fontcode?
186 QChar(ms.fontcode) : toqstr(docstring(1, ms.unicode)));
187 QListWidgetItem * lwi = new QListWidgetItem(symbol);
188 lwi->setToolTip(toqstr(delim));
190 lyxfont.setFamily(ms.fontfamily);
191 lwi->setFont(frontend::getFont(lyxfont));
192 list_items[ms.unicode] = lwi;
193 leftLW->addItem(lwi);
196 for (int i = 0; i != leftLW->count(); ++i) {
197 MathSymbol const & ms = mathSymbol(
198 fromqstr(leftLW->item(i)->toolTip()));
199 rightLW->addItem(list_items[doMatch(ms.unicode)]->clone());
202 // The last element is the empty one.
203 leftLW->addItem(qt_("(None)"));
204 rightLW->addItem(qt_("(None)"));
206 sizeCO->addItem(qt_("Variable"));
208 for (int i = 0; *biggui[i]; ++i)
209 sizeCO->addItem(qt_(biggui[i]));
211 on_leftLW_currentRowChanged(0);
212 bc().setPolicy(ButtonPolicy::IgnorantPolicy);
216 char_type GuiDelimiter::doMatch(char_type const symbol)
218 string const & str = texName(symbol);
220 if (str == "(") match = ")";
221 else if (str == ")") match = "(";
222 else if (str == "[") match = "]";
223 else if (str == "]") match = "[";
224 else if (str == "{") match = "}";
225 else if (str == "}") match = "{";
226 else if (str == "l") match = "r";
227 else if (str == "rceil") match = "lceil";
228 else if (str == "lceil") match = "rceil";
229 else if (str == "rfloor") match = "lfloor";
230 else if (str == "lfloor") match = "rfloor";
231 else if (str == "rangle") match = "langle";
232 else if (str == "langle") match = "rangle";
233 else if (str == "backslash") match = "/";
234 else if (str == "/") match = "backslash";
237 return mathSymbol(match).unicode;
241 void GuiDelimiter::updateTeXCode(int size)
243 bool const bigsize = size != 0;
245 QString left_str = fix_name(leftLW->currentItem()->toolTip(), bigsize);
246 QString right_str = fix_name(rightLW->currentItem()->toolTip(), bigsize);
249 tex_code_ = left_str + ' ' + right_str;
251 tex_code_ = bigleft[size] + ' '
253 + bigright[size] + ' '
257 // Generate TeX-code for GUI display.
258 // FIXME: Instead of reconstructing the TeX code it would be nice to
259 // FIXME: retrieve the LateX code directly from mathed.
260 // In all cases, we want the '\' prefix if needed, so we pass 'true'
262 left_str = fix_name(leftLW->currentItem()->toolTip(), true);
263 right_str = fix_name(rightLW->currentItem()->toolTip(), true);
266 code_str = "\\left" + left_str + " \\right" + right_str;
268 // There should be nothing in the TeX-code when the delimiter is "None".
270 code_str = "\\" + bigleft[size] + left_str + ' ';
271 if (right_str != ".")
272 code_str += "\\" + bigright[size] + right_str;
275 texCodeL->setText(qt_("TeX Code: ") + code_str);
279 void GuiDelimiter::on_insertPB_clicked()
281 if (sizeCO->currentIndex() == 0)
282 dispatch(FuncRequest(LFUN_MATH_DELIM, fromqstr(tex_code_)));
284 QString command = '"' + tex_code_ + '"';
285 command.replace(' ', "\" \"");
286 dispatch(FuncRequest(LFUN_MATH_BIGDELIM, fromqstr(command)));
291 void GuiDelimiter::on_sizeCO_activated(int index)
293 updateTeXCode(index);
297 void GuiDelimiter::on_leftLW_itemActivated(QListWidgetItem *)
299 // do not auto-apply if !matchCB->isChecked()
300 if (!matchCB->isChecked())
302 on_insertPB_clicked();
307 void GuiDelimiter::on_rightLW_itemActivated(QListWidgetItem *)
309 // do not auto-apply if !matchCB->isChecked()
310 if (!matchCB->isChecked())
312 on_insertPB_clicked();
317 void GuiDelimiter::on_leftLW_currentRowChanged(int item)
319 if (matchCB->isChecked())
320 rightLW->setCurrentRow(item);
322 updateTeXCode(sizeCO->currentIndex());
326 void GuiDelimiter::on_rightLW_currentRowChanged(int item)
328 if (matchCB->isChecked())
329 leftLW->setCurrentRow(item);
331 updateTeXCode(sizeCO->currentIndex());
335 void GuiDelimiter::on_matchCB_stateChanged(int state)
337 if (state == Qt::Checked)
338 on_leftLW_currentRowChanged(leftLW->currentRow());
340 updateTeXCode(sizeCO->currentIndex());
344 Dialog * createGuiDelimiter(GuiView & lv) { return new GuiDelimiter(lv); }
347 } // namespace frontend
350 #include "moc_GuiDelimiter.cpp"