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>
43 static char const * latex_delimiters[] = {
44 "(", ")", "{", "}", "[", "]",
45 "lceil", "rceil", "lfloor", "rfloor", "langle", "rangle",
46 "llbracket", "rrbracket",
47 "uparrow", "updownarrow", "Uparrow", "Updownarrow", "downarrow", "Downarrow",
48 "|", "Vert", "/", "backslash", ""
52 static int const nr_latex_delimiters =
53 sizeof(latex_delimiters) / sizeof(char const *);
55 static QString const bigleft[] = {"", "bigl", "Bigl", "biggl", "Biggl"};
57 static QString const bigright[] = {"", "bigr", "Bigr", "biggr", "Biggr"};
59 static char const * const biggui[] = {
60 N_("big[[delimiter size]]"),
61 N_("Big[[delimiter size]]"),
62 N_("bigg[[delimiter size]]"),
63 N_("Bigg[[delimiter size]]"),
68 // FIXME: It might be better to fix the big delim LFUN to not require
69 // additional '\' prefix.
70 static QString fix_name(QString const & str, bool big)
74 if (!big || str == "(" || str == ")" || str == "[" || str == "]"
75 || str == "|" || str == "/")
82 MathSymbol(char_type uc = '?', unsigned char fc = 0,
83 FontFamily ff = SYMBOL_FAMILY)
84 : unicode(uc), fontcode(fc), fontfamily(ff)
87 unsigned char fontcode;
88 FontFamily fontfamily;
91 /// TeX-name / Math-symbol map.
92 static map<std::string, MathSymbol> math_symbols_;
93 /// Math-symbol / TeX-name map.
94 /// This one is for fast search, it contains the same data as
96 static map<char_type, string> tex_names_;
98 void initMathSymbols()
100 // FIXME: Ideally, those unicode codepoints would be defined
101 // in "lib/symbols". Unfortunately, some of those are already
102 // defined with non-unicode ids for use within mathed.
103 // FIXME 2: We should fill-in this map with the parsed "symbols"
104 // file done in MathFactory.cpp.
105 math_symbols_["("] = MathSymbol('(', 40, CMR_FAMILY);
106 math_symbols_[")"] = MathSymbol(')', 41, CMR_FAMILY);
107 math_symbols_["{"] = MathSymbol('{', 102, CMSY_FAMILY);
108 math_symbols_["}"] = MathSymbol('}', 103, CMSY_FAMILY);
109 math_symbols_["["] = MathSymbol('[', 91, CMR_FAMILY);
110 math_symbols_["]"] = MathSymbol(']', 93, CMR_FAMILY);
111 math_symbols_["|"] = MathSymbol('|', 106, CMSY_FAMILY);
112 math_symbols_["/"] = MathSymbol('/', 47, CMR_FAMILY);
113 math_symbols_["backslash"] = MathSymbol('\\', 110, CMSY_FAMILY);
114 math_symbols_["lceil"] = MathSymbol(0x2308, 100, CMSY_FAMILY);
115 math_symbols_["rceil"] = MathSymbol(0x2309, 101, CMSY_FAMILY);
116 math_symbols_["lfloor"] = MathSymbol(0x230A, 98, CMSY_FAMILY);
117 math_symbols_["rfloor"] = MathSymbol(0x230B, 99, CMSY_FAMILY);
118 math_symbols_["langle"] = MathSymbol(0x2329, 104, CMSY_FAMILY);
119 math_symbols_["rangle"] = MathSymbol(0x232A, 105, CMSY_FAMILY);
120 math_symbols_["llbracket"] = MathSymbol(0x27e6, 74, STMARY_FAMILY);
121 math_symbols_["rrbracket"] = MathSymbol(0x27e7, 75, STMARY_FAMILY);
122 math_symbols_["uparrow"] = MathSymbol(0x2191, 34, CMSY_FAMILY);
123 math_symbols_["Uparrow"] = MathSymbol(0x21D1, 42, CMSY_FAMILY);
124 math_symbols_["updownarrow"] = MathSymbol(0x2195, 108, CMSY_FAMILY);
125 math_symbols_["Updownarrow"] = MathSymbol(0x21D5, 109, CMSY_FAMILY);
126 math_symbols_["downarrow"] = MathSymbol(0x2193, 35, CMSY_FAMILY);
127 math_symbols_["Downarrow"] = MathSymbol(0x21D3, 43, CMSY_FAMILY);
128 math_symbols_["downdownarrows"] = MathSymbol(0x21CA, 184, MSA_FAMILY);
129 math_symbols_["downharpoonleft"] = MathSymbol(0x21C3, 188, MSA_FAMILY);
130 math_symbols_["downharpoonright"] = MathSymbol(0x21C2, 186, MSA_FAMILY);
131 math_symbols_["vert"] = MathSymbol(0x007C, 106, CMSY_FAMILY);
132 math_symbols_["Vert"] = MathSymbol(0x2016, 107, CMSY_FAMILY);
134 map<string, MathSymbol>::const_iterator it = math_symbols_.begin();
135 map<string, MathSymbol>::const_iterator end = math_symbols_.end();
136 for (; it != end; ++it)
137 tex_names_[it->second.unicode] = it->first;
140 /// \return the math unicode symbol associated to a TeX name.
141 MathSymbol const & mathSymbol(string tex_name)
143 map<string, MathSymbol>::const_iterator it =
144 math_symbols_.find(tex_name);
146 static MathSymbol const unknown_symbol;
147 if (it == math_symbols_.end())
148 return unknown_symbol;
153 /// \return the TeX name associated to a math unicode symbol.
154 string const & texName(char_type math_symbol)
156 map<char_type, string>::const_iterator it =
157 tex_names_.find(math_symbol);
159 static string const empty_string;
160 if (it == tex_names_.end())
169 GuiDelimiter::GuiDelimiter(GuiView & lv)
170 : GuiDialog(lv, "mathdelimiter", qt_("Math Delimiter"))
174 connect(closePB, SIGNAL(clicked()), this, SLOT(accept()));
176 setFocusProxy(leftLW);
178 leftLW->setViewMode(QListView::IconMode);
179 rightLW->setViewMode(QListView::IconMode);
181 leftLW->setDragDropMode(QAbstractItemView::NoDragDrop);
182 rightLW->setDragDropMode(QAbstractItemView::NoDragDrop);
187 lyxfont.setFamily(CMR_FAMILY);
188 QFontMetrics fm(frontend::getFont(lyxfont));
189 QSize item_size(fm.maxWidth(), fm.height() + 8);
191 typedef map<char_type, QListWidgetItem *> ListItems;
192 ListItems list_items;
193 // The last element is the empty one.
194 int const end = nr_latex_delimiters - 1;
195 for (int i = 0; i < end; ++i) {
196 string const delim = latex_delimiters[i];
197 MathSymbol const & ms = mathSymbol(delim);
198 QString symbol(ms.fontcode?
199 QChar(ms.fontcode) : toqstr(docstring(1, ms.unicode)));
200 QListWidgetItem * lwi = new QListWidgetItem(symbol);
201 lyxfont.setFamily(ms.fontfamily);
202 QFont font = frontend::getFont(lyxfont);
204 lwi->setToolTip(toqstr(delim));
205 lwi->setSizeHint(item_size);
206 switch (ms.fontfamily) {
209 // Hack to work around the broken metrics of these fonts
210 // FIXME: Better fix the fonts or use fonts that are not broken
211 lwi->setTextAlignment(Qt::AlignTop | Qt::AlignHCenter);
214 lwi->setTextAlignment(Qt::AlignCenter);
216 list_items[ms.unicode] = lwi;
217 leftLW->addItem(lwi);
220 for (int i = 0; i != leftLW->count(); ++i) {
221 MathSymbol const & ms = mathSymbol(
222 fromqstr(leftLW->item(i)->toolTip()));
223 rightLW->addItem(list_items[doMatch(ms.unicode)]->clone());
226 // The last element is the empty one.
227 QListWidgetItem * lwi = new QListWidgetItem(qt_("(None)"));
228 QListWidgetItem * rwi = new QListWidgetItem(qt_("(None)"));
229 leftLW->addItem(lwi);
230 rightLW->addItem(rwi);
232 sizeCO->addItem(qt_("Variable"));
234 for (int i = 0; *biggui[i]; ++i)
235 sizeCO->addItem(qt_(biggui[i]));
237 on_leftLW_currentRowChanged(0);
238 // synchronise the scroll bars
239 on_matchCB_stateChanged(matchCB->checkState());
240 bc().setPolicy(ButtonPolicy::IgnorantPolicy);
244 char_type GuiDelimiter::doMatch(char_type const symbol)
246 string const & str = texName(symbol);
248 if (str == "(") match = ")";
249 else 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 == "l") match = "r";
255 else if (str == "rceil") match = "lceil";
256 else if (str == "lceil") match = "rceil";
257 else if (str == "rfloor") match = "lfloor";
258 else if (str == "lfloor") match = "rfloor";
259 else if (str == "rangle") match = "langle";
260 else if (str == "langle") match = "rangle";
261 else if (str == "llbracket") match = "rrbracket";
262 else if (str == "rrbracket") match = "llbracket";
263 else if (str == "backslash") match = "/";
264 else if (str == "/") match = "backslash";
267 return mathSymbol(match).unicode;
271 void GuiDelimiter::updateTeXCode(int size)
273 bool const bigsize = size != 0;
275 QString left_str = fix_name(leftLW->currentItem()->toolTip(), bigsize);
276 QString right_str = fix_name(rightLW->currentItem()->toolTip(), bigsize);
279 tex_code_ = left_str + ' ' + right_str;
281 tex_code_ = bigleft[size] + ' '
283 + bigright[size] + ' '
287 // Generate TeX-code for GUI display.
288 // FIXME: Instead of reconstructing the TeX code it would be nice to
289 // FIXME: retrieve the LateX code directly from mathed.
290 // In all cases, we want the '\' prefix if needed, so we pass 'true'
292 left_str = fix_name(leftLW->currentItem()->toolTip(), true);
293 right_str = fix_name(rightLW->currentItem()->toolTip(), true);
296 code_str = "\\left" + left_str + " \\right" + right_str;
298 // There should be nothing in the TeX-code when the delimiter is "None".
300 code_str = "\\" + bigleft[size] + left_str + ' ';
301 if (right_str != ".")
302 code_str += "\\" + bigright[size] + right_str;
305 texCodeL->setText(qt_("TeX Code: ") + code_str);
309 void GuiDelimiter::on_insertPB_clicked()
311 if (sizeCO->currentIndex() == 0)
312 dispatch(FuncRequest(LFUN_MATH_DELIM, fromqstr(tex_code_)));
314 QString command = '"' + tex_code_ + '"';
315 command.replace(' ', "\" \"");
316 dispatch(FuncRequest(LFUN_MATH_BIGDELIM, fromqstr(command)));
321 void GuiDelimiter::on_sizeCO_activated(int index)
323 updateTeXCode(index);
327 void GuiDelimiter::on_leftLW_itemActivated(QListWidgetItem *)
329 // do not auto-apply if !matchCB->isChecked()
330 if (!matchCB->isChecked())
332 on_insertPB_clicked();
337 void GuiDelimiter::on_rightLW_itemActivated(QListWidgetItem *)
339 // do not auto-apply if !matchCB->isChecked()
340 if (!matchCB->isChecked())
342 on_insertPB_clicked();
347 void GuiDelimiter::on_leftLW_currentRowChanged(int item)
349 if (matchCB->isChecked())
350 rightLW->setCurrentRow(item);
352 updateTeXCode(sizeCO->currentIndex());
356 void GuiDelimiter::on_rightLW_currentRowChanged(int item)
358 if (matchCB->isChecked())
359 leftLW->setCurrentRow(item);
361 updateTeXCode(sizeCO->currentIndex());
365 void GuiDelimiter::on_matchCB_stateChanged(int state)
367 // Synchronise the vertical scroll bars when checked
368 QScrollBar * ls = leftLW->verticalScrollBar();
369 QScrollBar * rs = rightLW->verticalScrollBar();
371 if (state == Qt::Checked) {
372 on_leftLW_currentRowChanged(leftLW->currentRow());
374 connect(ls, SIGNAL(valueChanged(int)), rs, SLOT(setValue(int)),
375 Qt::UniqueConnection);
376 connect(rs, SIGNAL(valueChanged(int)), ls, SLOT(setValue(int)),
377 Qt::UniqueConnection);
378 rs->setValue(ls->value());
384 updateTeXCode(sizeCO->currentIndex());
388 Dialog * createGuiDelimiter(GuiView & lv) { return new GuiDelimiter(lv); }
391 } // namespace frontend
394 #include "moc_GuiDelimiter.cpp"