4 * This file is part of LyX, the document processor.
5 * Licence details can be found in the file COPYING.
8 * \author Richard Kimberly Heck
10 * Full author contact details are available in file CREDITS.
17 #include "support/Length.h"
18 #include "support/qstring_helpers.h"
19 #include "support/filetools.h"
24 #include <QHeaderView>
33 namespace support { class FileName; }
39 /// method to get a Length from widgets (LengthCombo)
40 std::string widgetsToLength(QLineEdit const * input, LengthCombo const * combo);
41 /// method to get a Length from widgets (QComboBox)
42 Length widgetsToLength(QLineEdit const * input, QComboBox const * combo);
44 /// method to set widgets from a Length
45 //FIXME Remove default_unit argument for the first form. FIXME Change
46 // all the code to remove default_unit argument when equal to the
48 void lengthToWidgets(QLineEdit * input, LengthCombo * combo,
50 Length::UNIT default_unit = Length::defaultUnit());
51 /// method to set widgets from a string
52 void lengthToWidgets(QLineEdit * input, LengthCombo * combo,
53 std::string const & len,
54 Length::UNIT default_unit = Length::defaultUnit());
55 /// method to set widgets from a docstring
56 void lengthToWidgets(QLineEdit * input, LengthCombo * combo,
57 docstring const & len, Length::UNIT default_unit);
59 /// method to get a double value from a localized widget (QLineEdit)
60 double widgetToDouble(QLineEdit const * input);
61 /// method to get a double value from a localized widget (QLineEdit)
62 std::string widgetToDoubleStr(QLineEdit const * input);
63 /// method to set a (localized) double value in a widget (QLineEdit)
64 void doubleToWidget(QLineEdit * input, double value,
65 char f = 'g', int prec = 6);
66 /// method to set a (localized) double value in a widget (QLineEdit)
67 void doubleToWidget(QLineEdit * input, std::string const & value,
68 char f = 'g', int prec = 6);
70 * method to format localized floating point numbers without
71 * ever using scientific notation
73 QString formatLocFPNumber(double d);
75 /// Method to sort QStrings locale-aware (e.g. in combo widgets)
76 bool SortLocaleAware(QString const & lhs, QString const & rhs);
78 /// Method to sort colors by GUI name in combo widgets
79 bool ColorSorter(ColorCode lhs, ColorCode rhs);
81 /// colors a widget red if invalid
82 void setValid(QWidget * widget, bool valid);
84 // set focus and highlight the current item if there is no selection already
85 void focusAndHighlight(QAbstractItemView * w);
87 // Sets all widget in highlighted in highlighted colour, and their children in
88 // plain in standard colours.
89 void setMessageColour(std::list<QWidget *> highlighted,
90 std::list<QWidget *> plain);
92 /// Shows a directory in OSs file browser
93 void showDirectory(support::FileName const & directory);
94 /// handle request for showing citation content - shows pdf/ps or
95 /// web page in target; external script can be used for pdf/ps view
96 /// \p pdfv takes a pad viewer, \p psv a ps viewer
97 void showTarget(std::string const & target,
98 std::string const & pdfv,
99 std::string const & psv);
101 } // namespace frontend
105 * qt_ - i18nize string and convert to QString
107 * Use this in qt/ instead of _()
109 QString const qt_(std::string const & str);
110 QString const qt_(QString const & qstr);
114 support::FileName libFileSearch(QString const & dir, QString const & name,
115 QString const & ext = QString(),
116 support::search_mode mode = support::must_exist);
119 support::FileName imageLibFileSearch(QString & dir, QString const & name,
120 QString const & ext = QString(),
121 support::search_mode mode = support::must_exist);
123 /** Build filelists of all available bst/cls/sty-files. Done through
124 * kpsewhich and an external script, saved in *Files.lst.
125 * \param arg: cls, sty, bst, or bib, as required by TeXFiles.py.
126 * Can be a list of these, too.
128 void rescanTexStyles(std::string const & arg = empty_string());
130 /** Fill \c contents from one of the three texfiles.
131 * Each entry in the file list is returned as a name_with_path
133 QStringList texFileList(QString const & filename);
135 /// Convert internal line endings to line endings as expected by the OS
136 QString const externalLineEnding(docstring const & str);
138 /// Convert line endings in any formnat to internal line endings
139 docstring const internalLineEnding(QString const & str);
141 // wrapper around the docstring versions
142 QString internalPath(QString const &);
143 QString onlyFileName(QString const & str);
144 QString onlyPath(QString const & str);
145 QStringList fileFilters(QString const & description);
146 /// all files wildcard for filter in qt dialogs (crossplatform)
147 QString wildcardAllFiles();
149 /// Remove the extension from \p name
150 QString removeExtension(QString const & name);
152 /** Add the extension \p ext to \p name.
153 Use this instead of changeExtension if you know that \p name is without
154 extension, because changeExtension would wrongly interpret \p name if it
157 QString addExtension(QString const & name, QString const & extension);
159 /// Return the extension of the file (not including the .)
160 QString getExtension(QString const & name);
161 QString makeAbsPath(QString const & relpath, QString const & base);
162 QString changeExtension(QString const & oldname, QString const & ext);
164 /// Format \param text for display as a ToolTip, breaking at lines of \param
165 /// width ems. Note: this function is expensive. Better call it in a delayed
166 /// manner, i.e. not to fill in a model (see for instance the function
167 /// ToolTipFormatter::eventFilter).
169 /// When is it called automatically? Whenever the tooltip is not already rich
170 /// text beginning with <html>, and is defined by the following functions:
171 /// - QWidget::setToolTip(),
172 /// - QAbstractItemModel::setData(..., Qt::ToolTipRole),
173 /// - Inset::toolTip()
175 /// In other words, tooltips can use Qt html, and the tooltip will still be
176 /// correctly broken. Moreover, it is possible to specify an entirely custom
177 /// tooltip (not subject to automatic formatting) by giving it in its entirety,
178 /// i.e. starting with <html>.
179 QString formatToolTip(QString text, int width = 30);
182 #if QT_VERSION < 0x050300
183 // Very partial implementation of QSignalBlocker for archaic qt versions.
184 class QSignalBlocker {
186 explicit QSignalBlocker(QObject * o)
187 : obj(o), init_state(obj && obj->blockSignals(true)) {}
191 obj->blockSignals(init_state);
200 // Check if text is understood as rich text (Qt HTML) and if so, produce a
201 // rendering in plain text.
202 QString qtHtmlToPlainText(QString const & text);
207 #endif // QTHELPERS_H