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"
18 #include "qt_helpers.h"
19 #include "support/gettext.h"
23 #include <QListWidgetItem>
25 // Set to zero if unicode symbols are preferred.
30 static char const * latex_delimiters[] = {
31 "(", ")", "{", "}", "[", "]",
32 "lceil", "rceil", "lfloor", "rfloor", "langle", "rangle",
33 "uparrow", "updownarrow", "Uparrow", "Updownarrow", "downarrow", "Downarrow",
34 "|", "Vert", "/", "backslash", ""
38 static int const nr_latex_delimiters =
39 sizeof(latex_delimiters) / sizeof(char const *);
41 static QString const bigleft[] = {"", "bigl", "Bigl", "biggl", "Biggl"};
43 static QString const bigright[] = {"", "bigr", "Bigr", "biggr", "Biggr"};
45 static char const * const biggui[] = {
46 N_("big[[delimiter size]]"),
47 N_("Big[[delimiter size]]"),
48 N_("bigg[[delimiter size]]"),
49 N_("Bigg[[delimiter size]]"),
54 // FIXME: It might be better to fix the big delim LFUN to not require
55 // additional '\' prefix.
56 static QString fix_name(QString const & str, bool big)
60 if (!big || str == "(" || str == ")" || str == "[" || str == "]"
61 || str == "|" || str == "/")
72 GuiDelimiter::GuiDelimiter(GuiView & lv)
73 : GuiMath(lv, "mathdelimiter", qt_("Math Delimiter"))
77 connect(closePB, SIGNAL(clicked()), this, SLOT(accept()));
79 setFocusProxy(leftLW);
81 leftLW->setViewMode(QListView::IconMode);
82 rightLW->setViewMode(QListView::IconMode);
84 typedef map<char_type, QListWidgetItem *> ListItems;
86 // The last element is the empty one.
87 int const end = nr_latex_delimiters - 1;
88 for (int i = 0; i < end; ++i) {
89 string const delim = latex_delimiters[i];
90 MathSymbol const & ms = mathSymbol(delim);
91 QString symbol(ms.fontcode?
92 QChar(ms.fontcode) : toqstr(docstring(1, ms.unicode)));
93 QListWidgetItem * lwi = new QListWidgetItem(symbol);
94 lwi->setToolTip(toqstr(delim));
96 lyxfont.setFamily(ms.fontfamily);
97 QFont const & symbol_font = guiApp->guiFontLoader().get(lyxfont);
98 lwi->setFont(symbol_font);
99 list_items[ms.unicode] = lwi;
100 leftLW->addItem(lwi);
103 for (int i = 0; i != leftLW->count(); ++i) {
104 MathSymbol const & ms = mathSymbol(
105 fromqstr(leftLW->item(i)->toolTip()));
106 rightLW->addItem(list_items[doMatch(ms.unicode)]->clone());
109 // The last element is the empty one.
110 leftLW->addItem(qt_("(None)"));
111 rightLW->addItem(qt_("(None)"));
113 sizeCO->addItem(qt_("Variable"));
115 for (int i = 0; *biggui[i]; ++i)
116 sizeCO->addItem(qt_(biggui[i]));
118 on_leftLW_currentRowChanged(0);
119 bc().setPolicy(ButtonPolicy::IgnorantPolicy);
123 char_type GuiDelimiter::doMatch(char_type const symbol)
125 string const & str = texName(symbol);
127 if (str == "(") match = ")";
128 else if (str == ")") match = "(";
129 else if (str == "[") match = "]";
130 else if (str == "]") match = "[";
131 else if (str == "{") match = "}";
132 else if (str == "}") match = "{";
133 else if (str == "l") match = "r";
134 else if (str == "rceil") match = "lceil";
135 else if (str == "lceil") match = "rceil";
136 else if (str == "rfloor") match = "lfloor";
137 else if (str == "lfloor") match = "rfloor";
138 else if (str == "rangle") match = "langle";
139 else if (str == "langle") match = "rangle";
140 else if (str == "backslash") match = "/";
141 else if (str == "/") match = "backslash";
144 return mathSymbol(match).unicode;
148 void GuiDelimiter::updateTeXCode(int size)
150 bool const bigsize = size != 0;
152 QString left_str = fix_name(leftLW->currentItem()->toolTip(), bigsize);
153 QString right_str = fix_name(rightLW->currentItem()->toolTip(), bigsize);
156 tex_code_ = left_str + ' ' + right_str;
158 tex_code_ = bigleft[size] + ' '
160 + bigright[size] + ' '
164 // Generate TeX-code for GUI display.
165 // FIXME: Instead of reconstructing the TeX code it would be nice to
166 // FIXME: retrieve the LateX code directly from mathed.
167 // In all cases, we want the '\' prefix if needed, so we pass 'true'
169 left_str = fix_name(leftLW->currentItem()->toolTip(), true);
170 right_str = fix_name(rightLW->currentItem()->toolTip(), true);
173 code_str = "\\left" + left_str + " \\right" + right_str;
175 // There should be nothing in the TeX-code when the delimiter is "None".
177 code_str = "\\" + bigleft[size] + left_str + ' ';
178 if (right_str != ".")
179 code_str += "\\" + bigright[size] + right_str;
182 texCodeL->setText(qt_("TeX Code: ") + code_str);
186 void GuiDelimiter::on_insertPB_clicked()
188 if (sizeCO->currentIndex() == 0)
189 dispatchDelim(fromqstr(tex_code_));
191 QString command = '"' + tex_code_ + '"';
192 command.replace(' ', "\" \"");
193 dispatchBigDelim(fromqstr(command));
198 void GuiDelimiter::on_sizeCO_activated(int index)
200 updateTeXCode(index);
204 void GuiDelimiter::on_leftLW_itemActivated(QListWidgetItem *)
206 on_insertPB_clicked();
211 void GuiDelimiter::on_rightLW_itemActivated(QListWidgetItem *)
213 on_insertPB_clicked();
218 void GuiDelimiter::on_leftLW_currentRowChanged(int item)
220 if (matchCB->isChecked())
221 rightLW->setCurrentRow(item);
223 updateTeXCode(sizeCO->currentIndex());
227 void GuiDelimiter::on_rightLW_currentRowChanged(int item)
229 if (matchCB->isChecked())
230 leftLW->setCurrentRow(item);
232 updateTeXCode(sizeCO->currentIndex());
236 void GuiDelimiter::on_matchCB_stateChanged(int state)
238 if (state == Qt::Checked)
239 on_leftLW_currentRowChanged(leftLW->currentRow());
241 updateTeXCode(sizeCO->currentIndex());
245 Dialog * createGuiDelimiter(GuiView & lv) { return new GuiDelimiter(lv); }
248 } // namespace frontend
251 #include "GuiDelimiter_moc.cpp"