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/debug.h"
25 #include "support/docstring.h"
26 #include "support/gettext.h"
30 #include <QListWidgetItem>
42 static char const * latex_delimiters[] = {
43 "(", ")", "{", "}", "[", "]",
44 "lceil", "rceil", "lfloor", "rfloor", "langle", "rangle",
45 "llbracket", "rrbracket",
46 "uparrow", "updownarrow", "Uparrow", "Updownarrow", "downarrow", "Downarrow",
47 "|", "Vert", "/", "backslash", ""
51 static int const nr_latex_delimiters =
52 sizeof(latex_delimiters) / sizeof(char const *);
54 static QString const bigleft[] = {"", "bigl", "Bigl", "biggl", "Biggl"};
56 static QString const bigright[] = {"", "bigr", "Bigr", "biggr", "Biggr"};
58 static char const * const biggui[] = {
59 N_("big[[delimiter size]]"),
60 N_("Big[[delimiter size]]"),
61 N_("bigg[[delimiter size]]"),
62 N_("Bigg[[delimiter size]]"),
67 // FIXME: It might be better to fix the big delim LFUN to not require
68 // additional '\' prefix.
69 static QString fix_name(QString const & str, bool big)
73 if (!big || str == "(" || str == ")" || str == "[" || str == "]"
74 || str == "|" || str == "/")
81 MathSymbol(char_type uc = '?', unsigned char fc = 0,
82 FontFamily ff = SYMBOL_FAMILY)
83 : unicode(uc), fontcode(fc), fontfamily(ff)
86 unsigned char fontcode;
87 FontFamily fontfamily;
90 /// TeX-name / Math-symbol map.
91 static map<std::string, MathSymbol> math_symbols_;
92 /// Math-symbol / TeX-name map.
93 /// This one is for fast search, it contains the same data as
95 static map<char_type, string> tex_names_;
97 void initMathSymbols()
99 // FIXME: Ideally, those unicode codepoints would be defined
100 // in "lib/symbols". Unfortunately, some of those are already
101 // defined with non-unicode ids for use within mathed.
102 // FIXME 2: We should fill-in this map with the parsed "symbols"
103 // file done in MathFactory.cpp.
104 math_symbols_["("] = MathSymbol('(', 40, CMR_FAMILY);
105 math_symbols_[")"] = MathSymbol(')', 41, CMR_FAMILY);
106 math_symbols_["{"] = MathSymbol('{', 102, CMSY_FAMILY);
107 math_symbols_["}"] = MathSymbol('}', 103, CMSY_FAMILY);
108 math_symbols_["["] = MathSymbol('[', 91, CMR_FAMILY);
109 math_symbols_["]"] = MathSymbol(']', 93, CMR_FAMILY);
110 math_symbols_["|"] = MathSymbol('|', 106, CMSY_FAMILY);
111 math_symbols_["/"] = MathSymbol('/', 47, CMR_FAMILY);
112 math_symbols_["backslash"] = MathSymbol('\\', 110, CMSY_FAMILY);
113 math_symbols_["lceil"] = MathSymbol(0x2308, 100, CMSY_FAMILY);
114 math_symbols_["rceil"] = MathSymbol(0x2309, 101, CMSY_FAMILY);
115 math_symbols_["lfloor"] = MathSymbol(0x230A, 98, CMSY_FAMILY);
116 math_symbols_["rfloor"] = MathSymbol(0x230B, 99, CMSY_FAMILY);
117 math_symbols_["langle"] = MathSymbol(0x2329, 104, CMSY_FAMILY);
118 math_symbols_["rangle"] = MathSymbol(0x232A, 105, CMSY_FAMILY);
119 math_symbols_["llbracket"] = MathSymbol(0x27e6, 74, STMARY_FAMILY);
120 math_symbols_["rrbracket"] = MathSymbol(0x27e7, 75, STMARY_FAMILY);
121 math_symbols_["uparrow"] = MathSymbol(0x2191, 34, CMSY_FAMILY);
122 math_symbols_["Uparrow"] = MathSymbol(0x21D1, 42, CMSY_FAMILY);
123 math_symbols_["updownarrow"] = MathSymbol(0x2195, 108, CMSY_FAMILY);
124 math_symbols_["Updownarrow"] = MathSymbol(0x21D5, 109, CMSY_FAMILY);
125 math_symbols_["downarrow"] = MathSymbol(0x2193, 35, CMSY_FAMILY);
126 math_symbols_["Downarrow"] = MathSymbol(0x21D3, 43, CMSY_FAMILY);
127 math_symbols_["downdownarrows"] = MathSymbol(0x21CA, 184, MSA_FAMILY);
128 math_symbols_["downharpoonleft"] = MathSymbol(0x21C3, 188, MSA_FAMILY);
129 math_symbols_["downharpoonright"] = MathSymbol(0x21C2, 186, MSA_FAMILY);
130 math_symbols_["vert"] = MathSymbol(0x007C, 106, CMSY_FAMILY);
131 math_symbols_["Vert"] = MathSymbol(0x2016, 107, CMSY_FAMILY);
133 map<string, MathSymbol>::const_iterator it = math_symbols_.begin();
134 map<string, MathSymbol>::const_iterator end = math_symbols_.end();
135 for (; it != end; ++it)
136 tex_names_[it->second.unicode] = it->first;
139 /// \return the math unicode symbol associated to a TeX name.
140 MathSymbol const & mathSymbol(string tex_name)
142 map<string, MathSymbol>::const_iterator it =
143 math_symbols_.find(tex_name);
145 static MathSymbol const unknown_symbol;
146 if (it == math_symbols_.end())
147 return unknown_symbol;
152 /// \return the TeX name associated to a math unicode symbol.
153 string const & texName(char_type math_symbol)
155 map<char_type, string>::const_iterator it =
156 tex_names_.find(math_symbol);
158 static string const empty_string;
159 if (it == tex_names_.end())
168 GuiDelimiter::GuiDelimiter(GuiView & lv)
169 : GuiDialog(lv, "mathdelimiter", qt_("Math Delimiter"))
173 connect(closePB, SIGNAL(clicked()), this, SLOT(accept()));
175 setFocusProxy(leftLW);
177 leftLW->setViewMode(QListView::IconMode);
178 rightLW->setViewMode(QListView::IconMode);
180 leftLW->setDragDropMode(QAbstractItemView::NoDragDrop);
181 rightLW->setDragDropMode(QAbstractItemView::NoDragDrop);
186 lyxfont.setFamily(CMR_FAMILY);
187 QFontMetrics fm(frontend::getFont(lyxfont));
188 QSize item_size(fm.maxWidth(), fm.height() + 8);
190 typedef map<char_type, QListWidgetItem *> ListItems;
191 ListItems list_items;
192 // The last element is the empty one.
193 int const end = nr_latex_delimiters - 1;
194 for (int i = 0; i < end; ++i) {
195 string const delim = latex_delimiters[i];
196 MathSymbol const & ms = mathSymbol(delim);
197 QString symbol(ms.fontcode?
198 QChar(ms.fontcode) : toqstr(docstring(1, ms.unicode)));
199 QListWidgetItem * lwi = new QListWidgetItem(symbol);
200 lyxfont.setFamily(ms.fontfamily);
201 QFont font = frontend::getFont(lyxfont);
203 lwi->setToolTip(toqstr(delim));
204 lwi->setSizeHint(item_size);
205 switch (ms.fontfamily) {
208 // Hack to work around the broken metrics of these fonts
209 // FIXME: Better fix the fonts or use fonts that are not broken
210 lwi->setTextAlignment(Qt::AlignTop | Qt::AlignHCenter);
213 lwi->setTextAlignment(Qt::AlignCenter);
215 list_items[ms.unicode] = lwi;
216 leftLW->addItem(lwi);
219 for (int i = 0; i != leftLW->count(); ++i) {
220 MathSymbol const & ms = mathSymbol(
221 fromqstr(leftLW->item(i)->toolTip()));
222 rightLW->addItem(list_items[doMatch(ms.unicode)]->clone());
225 // The last element is the empty one.
226 QListWidgetItem * lwi = new QListWidgetItem(qt_("(None)"));
227 QListWidgetItem * rwi = new QListWidgetItem(qt_("(None)"));
228 leftLW->addItem(lwi);
229 rightLW->addItem(rwi);
231 sizeCO->addItem(qt_("Variable"));
233 for (int i = 0; *biggui[i]; ++i)
234 sizeCO->addItem(qt_(biggui[i]));
236 on_leftLW_currentRowChanged(0);
237 bc().setPolicy(ButtonPolicy::IgnorantPolicy);
241 char_type GuiDelimiter::doMatch(char_type const symbol)
243 string const & str = texName(symbol);
245 if (str == "(") match = ")";
246 else if (str == ")") match = "(";
247 else if (str == "[") match = "]";
248 else if (str == "]") match = "[";
249 else if (str == "{") match = "}";
250 else if (str == "}") match = "{";
251 else if (str == "l") match = "r";
252 else if (str == "rceil") match = "lceil";
253 else if (str == "lceil") match = "rceil";
254 else if (str == "rfloor") match = "lfloor";
255 else if (str == "lfloor") match = "rfloor";
256 else if (str == "rangle") match = "langle";
257 else if (str == "langle") match = "rangle";
258 else if (str == "llbracket") match = "rrbracket";
259 else if (str == "rrbracket") match = "llbracket";
260 else if (str == "backslash") match = "/";
261 else if (str == "/") match = "backslash";
264 return mathSymbol(match).unicode;
268 void GuiDelimiter::updateTeXCode(int size)
270 bool const bigsize = size != 0;
272 QString left_str = fix_name(leftLW->currentItem()->toolTip(), bigsize);
273 QString right_str = fix_name(rightLW->currentItem()->toolTip(), bigsize);
276 tex_code_ = left_str + ' ' + right_str;
278 tex_code_ = bigleft[size] + ' '
280 + bigright[size] + ' '
284 // Generate TeX-code for GUI display.
285 // FIXME: Instead of reconstructing the TeX code it would be nice to
286 // FIXME: retrieve the LateX code directly from mathed.
287 // In all cases, we want the '\' prefix if needed, so we pass 'true'
289 left_str = fix_name(leftLW->currentItem()->toolTip(), true);
290 right_str = fix_name(rightLW->currentItem()->toolTip(), true);
293 code_str = "\\left" + left_str + " \\right" + right_str;
295 // There should be nothing in the TeX-code when the delimiter is "None".
297 code_str = "\\" + bigleft[size] + left_str + ' ';
298 if (right_str != ".")
299 code_str += "\\" + bigright[size] + right_str;
302 texCodeL->setText(qt_("TeX Code: ") + code_str);
306 void GuiDelimiter::on_insertPB_clicked()
308 if (sizeCO->currentIndex() == 0)
309 dispatch(FuncRequest(LFUN_MATH_DELIM, fromqstr(tex_code_)));
311 QString command = '"' + tex_code_ + '"';
312 command.replace(' ', "\" \"");
313 dispatch(FuncRequest(LFUN_MATH_BIGDELIM, fromqstr(command)));
318 void GuiDelimiter::on_sizeCO_activated(int index)
320 updateTeXCode(index);
324 void GuiDelimiter::on_leftLW_itemActivated(QListWidgetItem *)
326 // do not auto-apply if !matchCB->isChecked()
327 if (!matchCB->isChecked())
329 on_insertPB_clicked();
334 void GuiDelimiter::on_rightLW_itemActivated(QListWidgetItem *)
336 // do not auto-apply if !matchCB->isChecked()
337 if (!matchCB->isChecked())
339 on_insertPB_clicked();
344 void GuiDelimiter::on_leftLW_currentRowChanged(int item)
346 if (matchCB->isChecked())
347 rightLW->setCurrentRow(item);
349 updateTeXCode(sizeCO->currentIndex());
353 void GuiDelimiter::on_rightLW_currentRowChanged(int item)
355 if (matchCB->isChecked())
356 leftLW->setCurrentRow(item);
358 updateTeXCode(sizeCO->currentIndex());
362 void GuiDelimiter::on_matchCB_stateChanged(int state)
364 if (state == Qt::Checked)
365 on_leftLW_currentRowChanged(leftLW->currentRow());
367 updateTeXCode(sizeCO->currentIndex());
371 Dialog * createGuiDelimiter(GuiView & lv) { return new GuiDelimiter(lv); }
374 } // namespace frontend
377 #include "moc_GuiDelimiter.cpp"