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"
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 GuiDelimiterDialog::GuiDelimiterDialog(LyXView & lv)
73 : GuiDialog(lv, "mathdelimiter")
76 setViewTitle(_("Math Delimiter"));
77 setController(new ControlMath(*this));
79 connect(closePB, SIGNAL(clicked()), this, SLOT(accept()));
81 setFocusProxy(leftLW);
83 leftLW->setViewMode(QListView::IconMode);
84 rightLW->setViewMode(QListView::IconMode);
86 typedef std::map<char_type, QListWidgetItem *> ListItems;
88 // The last element is the empty one.
89 int const end = nr_latex_delimiters - 1;
90 for (int i = 0; i < end; ++i) {
91 string const delim = latex_delimiters[i];
92 MathSymbol const & ms = controller().mathSymbol(delim);
93 QString symbol(ms.fontcode?
94 QChar(ms.fontcode) : toqstr(docstring(1, ms.unicode)));
95 QListWidgetItem * lwi = new QListWidgetItem(symbol);
96 lwi->setToolTip(toqstr(delim));
98 lyxfont.setFamily(ms.fontfamily);
99 QFont const & symbol_font = guiApp->guiFontLoader().get(lyxfont);
100 lwi->setFont(symbol_font);
101 list_items[ms.unicode] = lwi;
102 leftLW->addItem(lwi);
105 for (int i = 0; i != leftLW->count(); ++i) {
106 MathSymbol const & ms = controller().mathSymbol(
107 fromqstr(leftLW->item(i)->toolTip()));
108 rightLW->addItem(list_items[doMatch(ms.unicode)]->clone());
111 // The last element is the empty one.
112 leftLW->addItem(qt_("(None)"));
113 rightLW->addItem(qt_("(None)"));
115 sizeCO->addItem(qt_("Variable"));
117 for (int i = 0; *biggui[i]; ++i)
118 sizeCO->addItem(qt_(biggui[i]));
120 on_leftLW_currentRowChanged(0);
121 bc().setPolicy(ButtonPolicy::IgnorantPolicy);
125 ControlMath & GuiDelimiterDialog::controller()
127 return static_cast<ControlMath &>(GuiDialog::controller());
131 char_type GuiDelimiterDialog::doMatch(char_type const symbol)
133 string const & str = controller().texName(symbol);
135 if (str == "(") match = ")";
136 else if (str == ")") match = "(";
137 else if (str == "[") match = "]";
138 else if (str == "]") match = "[";
139 else if (str == "{") match = "}";
140 else if (str == "}") match = "{";
141 else if (str == "l") match = "r";
142 else if (str == "rceil") match = "lceil";
143 else if (str == "lceil") match = "rceil";
144 else if (str == "rfloor") match = "lfloor";
145 else if (str == "lfloor") match = "rfloor";
146 else if (str == "rangle") match = "langle";
147 else if (str == "langle") match = "rangle";
148 else if (str == "backslash") match = "/";
149 else if (str == "/") match = "backslash";
152 return controller().mathSymbol(match).unicode;
156 void GuiDelimiterDialog::updateTeXCode(int size)
158 bool const bigsize = size != 0;
160 QString left_str = fix_name(leftLW->currentItem()->toolTip(), bigsize);
161 QString right_str = fix_name(rightLW->currentItem()->toolTip(), bigsize);
164 tex_code_ = left_str + ' ' + right_str;
166 tex_code_ = bigleft[size] + ' '
168 + bigright[size] + ' '
172 // Generate TeX-code for GUI display.
173 // FIXME: Instead of reconstructing the TeX code it would be nice to
174 // FIXME: retrieve the LateX code directly from mathed.
175 // In all cases, we want the '\' prefix if needed, so we pass 'true'
177 left_str = fix_name(leftLW->currentItem()->toolTip(), true);
178 right_str = fix_name(rightLW->currentItem()->toolTip(), true);
181 code_str = "\\left" + left_str + " \\right" + right_str;
183 // There should be nothing in the TeX-code when the delimiter is "None".
185 code_str = "\\" + bigleft[size] + left_str + ' ';
186 if (right_str != ".")
187 code_str += "\\" + bigright[size] + right_str;
190 texCodeL->setText(qt_("TeX Code: ") + code_str);
194 void GuiDelimiterDialog::on_insertPB_clicked()
196 if (sizeCO->currentIndex() == 0)
197 controller().dispatchDelim(fromqstr(tex_code_));
199 QString command = '"' + tex_code_ + '"';
200 command.replace(' ', "\" \"");
201 controller().dispatchBigDelim(fromqstr(command));
206 void GuiDelimiterDialog::on_sizeCO_activated(int index)
208 updateTeXCode(index);
212 void GuiDelimiterDialog::on_leftLW_itemActivated(QListWidgetItem *)
214 on_insertPB_clicked();
219 void GuiDelimiterDialog::on_rightLW_itemActivated(QListWidgetItem *)
221 on_insertPB_clicked();
226 void GuiDelimiterDialog::on_leftLW_currentRowChanged(int item)
228 if (matchCB->isChecked())
229 rightLW->setCurrentRow(item);
231 updateTeXCode(sizeCO->currentIndex());
235 void GuiDelimiterDialog::on_rightLW_currentRowChanged(int item)
237 if (matchCB->isChecked())
238 leftLW->setCurrentRow(item);
240 updateTeXCode(sizeCO->currentIndex());
244 void GuiDelimiterDialog::on_matchCB_stateChanged(int state)
246 if (state == Qt::Checked)
247 on_leftLW_currentRowChanged(leftLW->currentRow());
249 updateTeXCode(sizeCO->currentIndex());
253 } // namespace frontend
256 #include "GuiDelimiter_moc.cpp"