4 * This file is part of LyX, the document processor.
5 * Licence details can be found in the file COPYING.
10 * Full author contact details are available in file CREDITS.
18 #include "support/qstring_helpers.h"
19 #include "support/filetools.h"
24 #include <QHeaderView>
31 template <class T> class QList;
35 namespace support { class FileName; }
43 /// method to get a Length from widgets (LengthCombo)
44 std::string widgetsToLength(QLineEdit const * input, LengthCombo const * combo);
45 /// method to get a Length from widgets (QComboBox)
46 Length widgetsToLength(QLineEdit const * input, QComboBox const * combo);
48 /// method to set widgets from a Length
49 //FIXME Remove default_unit argument for the first form. FIXME Change
50 // all the code to remove default_unit argument when equal to the
52 void lengthToWidgets(QLineEdit * input, LengthCombo * combo,
54 Length::UNIT default_unit = Length::defaultUnit());
55 /// method to set widgets from a string
56 void lengthToWidgets(QLineEdit * input, LengthCombo * combo,
57 std::string const & len,
58 Length::UNIT default_unit = Length::defaultUnit());
59 /// method to set widgets from a docstring
60 void lengthToWidgets(QLineEdit * input, LengthCombo * combo,
61 docstring const & len, Length::UNIT default_unit);
63 /// method to get a double value from a localized widget (QLineEdit)
64 double widgetToDouble(QLineEdit const * input);
65 /// method to get a double value from a localized widget (QLineEdit)
66 std::string widgetToDoubleStr(QLineEdit const * input);
67 /// method to set a (localized) double value in a widget (QLineEdit)
68 void doubleToWidget(QLineEdit * input, double const & value,
69 char f = 'g', int prec = 6);
70 /// method to set a (localized) double value in a widget (QLineEdit)
71 void doubleToWidget(QLineEdit * input, std::string const & value,
72 char f = 'g', int prec = 6);
74 * method to format localized floating point numbers without
75 * ever using scientific notation
77 QString formatLocFPNumber(double d);
79 /// Method to sort QStrings locale-aware (e.g. in combo widgets)
80 bool SortLocaleAware(QString const & lhs, QString const & rhs);
82 /// Method to sort colors by GUI name in combo widgets
83 bool ColorSorter(ColorCode lhs, ColorCode rhs);
85 /// colors a widget red if invalid
86 void setValid(QWidget * widget, bool valid);
88 // set focus and highlight the current item if there is no selection already
89 void focusAndHighlight(QAbstractItemView * w);
91 // Sets all widget in highlighted in highlighted colour, and their children in
92 // plain in standard colours.
93 void setMessageColour(std::list<QWidget *> highlighted,
94 std::list<QWidget *> plain);
96 /// Qt5 changed setSectionMode to setSectionResizeMode
97 /// These wrappers work for Qt4 and Qt5
98 void setSectionResizeMode(QHeaderView * view,
99 int logicalIndex, QHeaderView::ResizeMode mode);
100 void setSectionResizeMode(QHeaderView * view,
101 QHeaderView::ResizeMode mode);
103 } // namespace frontend
107 * qt_ - i18nize string and convert to QString
109 * Use this in qt/ instead of _()
111 QString const qt_(std::string const & str);
112 QString const qt_(QString const & qstr);
116 support::FileName libFileSearch(QString const & dir, QString const & name,
117 QString const & ext = QString(),
118 support::search_mode mode = support::must_exist);
121 support::FileName imageLibFileSearch(QString & dir, QString const & name,
122 QString const & ext = QString(),
123 support::search_mode mode = support::must_exist);
125 /** Wrappers around browseFile which try to provide a filename
128 \param title: title for dialog
130 \param filters: *.ps, etc
132 \param save: whether to save dialog info (current path, etc) for next use.
134 The \param labelN and \param dirN arguments provide for extra buttons
135 in the dialog (e.g., "Templates" and a path to that directory).
137 The difference between the functions concerns when we think we have a
140 In \c browseRelToParent, we return a relative path only if it IS NOT of
141 the form "../../foo.txt".
143 In \c browseRelToSub, we return a relative path only if it IS of the
144 form "../../foo.txt".
146 QString browseRelToParent(QString const & filename,
147 QString const & relpath,
148 QString const & title,
149 QStringList const & filters,
151 QString const & label1 = QString(),
152 QString const & dir1 = QString(),
153 QString const & label2 = QString(),
154 QString const & dir2 = QString());
156 QString browseRelToSub(QString const & filename,
157 QString const & relpath,
158 QString const & title,
159 QStringList const & filters,
161 QString const & label1 = QString(),
162 QString const & dir1 = QString(),
163 QString const & label2 = QString(),
164 QString const & dir2 = QString());
166 /** Build filelists of all available bst/cls/sty-files. Done through
167 * kpsewhich and an external script, saved in *Files.lst.
168 * \param arg: cls, sty, bst, or bib, as required by TeXFiles.py.
169 * Can be a list of these, too.
171 void rescanTexStyles(std::string const & arg = empty_string());
173 /** Fill \c contents from one of the three texfiles.
174 * Each entry in the file list is returned as a name_with_path
176 QStringList texFileList(QString const & filename);
178 /// Convert internal line endings to line endings as expected by the OS
179 QString const externalLineEnding(docstring const & str);
181 /// Convert line endings in any formnat to internal line endings
182 docstring const internalLineEnding(QString const & str);
184 // wrapper around the docstring versions
185 QString internalPath(QString const &);
186 QString onlyFileName(QString const & str);
187 QString onlyPath(QString const & str);
188 QStringList fileFilters(QString const & description);
190 QString changeExtension(QString const & oldname, QString const & extension);
192 /// Remove the extension from \p name
193 QString removeExtension(QString const & name);
195 /** Add the extension \p ext to \p name.
196 Use this instead of changeExtension if you know that \p name is without
197 extension, because changeExtension would wrongly interpret \p name if it
200 QString addExtension(QString const & name, QString const & extension);
202 /// Return the extension of the file (not including the .)
203 QString getExtension(QString const & name);
204 QString makeAbsPath(QString const & relpath, QString const & base);
205 QString changeExtension(QString const & oldname, QString const & ext);
207 /// Format \param text for display as a ToolTip, breaking at lines of \param
208 /// width ems. Note: this function is expensive. Better call it in a delayed
209 /// manner, i.e. not to fill in a model (see for instance the function
210 /// ToolTipFormatter::eventFilter).
212 /// When is it called automatically? Whenever the tooltip is not already rich
213 /// text beginning with <html>, and is defined by the following functions:
214 /// - QWidget::setToolTip(),
215 /// - QAbstractItemModel::setData(..., Qt::ToolTipRole),
216 /// - Inset::toolTip()
218 /// In other words, tooltips can use Qt html, and the tooltip will still be
219 /// correctly broken. Moreover, it is possible to specify an entirely custom
220 /// tooltip (not subject to automatic formatting) by giving it in its entirety,
221 /// i.e. starting with <html>.
222 QString formatToolTip(QString text, int width = 30);
225 #if QT_VERSION < 0x050300
226 // Very partial implementation of QSignalBlocker for archaic qt versions.
227 class QSignalBlocker {
229 explicit QSignalBlocker(QObject * o)
230 : obj(o), init_state(obj && obj->blockSignals(true)) {}
234 obj->blockSignals(init_state);
243 // Check if qstr is understood as rich text (Qt HTML) and if so, produce a
244 // rendering in plain text.
245 QString qtHtmlToPlainText(QString const & qstr);
250 #endif // QTHELPERS_H