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 leftLW->setMinimumWidth(5 * item_size.width());
192 rightLW->setMinimumWidth(5 * item_size.width());
194 typedef map<char_type, QListWidgetItem *> ListItems;
195 ListItems list_items;
196 // The last element is the empty one.
197 int const end = nr_latex_delimiters - 1;
198 for (int i = 0; i < end; ++i) {
199 string const delim = latex_delimiters[i];
200 MathSymbol const & ms = mathSymbol(delim);
201 QString symbol(ms.fontcode?
202 QChar(ms.fontcode) : toqstr(docstring(1, ms.unicode)));
203 QListWidgetItem * lwi = new QListWidgetItem(symbol);
204 lyxfont.setFamily(ms.fontfamily);
205 QFont font = frontend::getFont(lyxfont);
207 lwi->setToolTip(toqstr(delim));
208 lwi->setSizeHint(item_size);
209 switch (ms.fontfamily) {
212 // Hack to work around the broken metrics of these fonts
213 // FIXME: Better fix the fonts or use fonts that are not broken
214 lwi->setTextAlignment(Qt::AlignTop | Qt::AlignHCenter);
217 lwi->setTextAlignment(Qt::AlignCenter);
219 list_items[ms.unicode] = lwi;
220 leftLW->addItem(lwi);
223 for (int i = 0; i != leftLW->count(); ++i) {
224 MathSymbol const & ms = mathSymbol(
225 fromqstr(leftLW->item(i)->toolTip()));
226 rightLW->addItem(list_items[doMatch(ms.unicode)]->clone());
229 // The last element is the empty one.
230 QListWidgetItem * lwi = new QListWidgetItem(qt_("(None)"));
231 QListWidgetItem * rwi = new QListWidgetItem(qt_("(None)"));
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 // synchronise the scroll bars
242 on_matchCB_stateChanged(matchCB->checkState());
243 bc().setPolicy(ButtonPolicy::IgnorantPolicy);
247 char_type GuiDelimiter::doMatch(char_type const symbol)
249 string const & str = texName(symbol);
251 if (str == "(") match = ")";
252 else if (str == ")") match = "(";
253 else if (str == "[") match = "]";
254 else if (str == "]") match = "[";
255 else if (str == "{") match = "}";
256 else if (str == "}") match = "{";
257 else if (str == "l") match = "r";
258 else if (str == "rceil") match = "lceil";
259 else if (str == "lceil") match = "rceil";
260 else if (str == "rfloor") match = "lfloor";
261 else if (str == "lfloor") match = "rfloor";
262 else if (str == "rangle") match = "langle";
263 else if (str == "langle") match = "rangle";
264 else if (str == "llbracket") match = "rrbracket";
265 else if (str == "rrbracket") match = "llbracket";
266 else if (str == "backslash") match = "/";
267 else if (str == "/") match = "backslash";
270 return mathSymbol(match).unicode;
274 void GuiDelimiter::updateTeXCode(int size)
276 bool const bigsize = size != 0;
278 QString left_str = fix_name(leftLW->currentItem()->toolTip(), bigsize);
279 QString right_str = fix_name(rightLW->currentItem()->toolTip(), bigsize);
282 tex_code_ = left_str + ' ' + right_str;
284 tex_code_ = bigleft[size] + ' '
286 + bigright[size] + ' '
290 // Generate TeX-code for GUI display.
291 // FIXME: Instead of reconstructing the TeX code it would be nice to
292 // FIXME: retrieve the LateX code directly from mathed.
293 // In all cases, we want the '\' prefix if needed, so we pass 'true'
295 left_str = fix_name(leftLW->currentItem()->toolTip(), true);
296 right_str = fix_name(rightLW->currentItem()->toolTip(), true);
299 code_str = "\\left" + left_str + " \\right" + right_str;
301 // There should be nothing in the TeX-code when the delimiter is "None".
303 code_str = "\\" + bigleft[size] + left_str + ' ';
304 if (right_str != ".")
305 code_str += "\\" + bigright[size] + right_str;
308 texCodeL->setText(qt_("TeX Code: ") + code_str);
312 void GuiDelimiter::on_insertPB_clicked()
314 if (sizeCO->currentIndex() == 0)
315 dispatch(FuncRequest(LFUN_MATH_DELIM, fromqstr(tex_code_)));
317 QString command = '"' + tex_code_ + '"';
318 command.replace(' ', "\" \"");
319 dispatch(FuncRequest(LFUN_MATH_BIGDELIM, fromqstr(command)));
324 void GuiDelimiter::on_sizeCO_activated(int index)
326 updateTeXCode(index);
330 void GuiDelimiter::on_leftLW_itemActivated(QListWidgetItem *)
332 // do not auto-apply if !matchCB->isChecked()
333 if (!matchCB->isChecked())
335 on_insertPB_clicked();
340 void GuiDelimiter::on_rightLW_itemActivated(QListWidgetItem *)
342 // do not auto-apply if !matchCB->isChecked()
343 if (!matchCB->isChecked())
345 on_insertPB_clicked();
350 void GuiDelimiter::on_leftLW_currentRowChanged(int item)
352 if (matchCB->isChecked())
353 rightLW->setCurrentRow(item);
355 updateTeXCode(sizeCO->currentIndex());
359 void GuiDelimiter::on_rightLW_currentRowChanged(int item)
361 if (matchCB->isChecked())
362 leftLW->setCurrentRow(item);
364 updateTeXCode(sizeCO->currentIndex());
368 void GuiDelimiter::on_matchCB_stateChanged(int state)
370 // Synchronise the vertical scroll bars when checked
371 QScrollBar * ls = leftLW->verticalScrollBar();
372 QScrollBar * rs = rightLW->verticalScrollBar();
374 if (state == Qt::Checked) {
375 on_leftLW_currentRowChanged(leftLW->currentRow());
377 connect(ls, SIGNAL(valueChanged(int)), rs, SLOT(setValue(int)),
378 Qt::UniqueConnection);
379 connect(rs, SIGNAL(valueChanged(int)), ls, SLOT(setValue(int)),
380 Qt::UniqueConnection);
381 rs->setValue(ls->value());
387 updateTeXCode(sizeCO->currentIndex());
391 Dialog * createGuiDelimiter(GuiView & lv) { return new GuiDelimiter(lv); }
394 } // namespace frontend
397 #include "moc_GuiDelimiter.cpp"