]> git.lyx.org Git - lyx.git/blobdiff - src/frontends/qt4/qt_helpers.cpp
Whitespace.
[lyx.git] / src / frontends / qt4 / qt_helpers.cpp
index 5cb11cbea53001da275bd0a9ee704090180dab24..7f4c5d8fda1f8e1cccb18cc18553b97d3d58643c 100644 (file)
@@ -4,7 +4,7 @@
  * Licence details can be found in the file COPYING.
  *
  * \author Dekel Tsur
- * \author Jürgen Spitzmüller
+ * \author Jürgen Spitzmüller
  * \author Richard Heck
  *
  * Full author contact details are available in file CREDITS.
 
 #include "frontends/alert.h"
 
+#include "BufferParams.h"
+#include "FloatList.h"
 #include "Language.h"
 #include "Length.h"
+#include "TextClass.h"
 
+#include "support/convert.h"
 #include "support/debug.h"
 #include "support/filetools.h"
 #include "support/foreach.h"
@@ -36,6 +40,7 @@
 #include <QCheckBox>
 #include <QComboBox>
 #include <QLineEdit>
+#include <QLocale>
 #include <QPalette>
 #include <QSet>
 
 #include <fstream>
 #include <locale>
 
+// for FileFilter.
+// FIXME: Remove
+#include "support/regex.h"
+#include <boost/tokenizer.hpp>
+
+
 using namespace std;
 using namespace lyx::support;
 
@@ -54,6 +65,7 @@ FileName libFileSearch(QString const & dir, QString const & name,
        return support::libFileSearch(fromqstr(dir), fromqstr(name), fromqstr(ext));
 }
 
+
 namespace frontend {
 
 string widgetsToLength(QLineEdit const * input, LengthCombo const * combo)
@@ -68,7 +80,7 @@ string widgetsToLength(QLineEdit const * input, LengthCombo const * combo)
 
        Length::UNIT const unit = combo->currentLengthItem();
 
-       return Length(length.toDouble(), unit).asString();
+       return Length(length.trimmed().toDouble(), unit).asString();
 }
 
 
@@ -82,9 +94,16 @@ Length widgetsToLength(QLineEdit const * input, QComboBox const * combo)
        if (isValidGlueLength(fromqstr(length)))
                return Length(fromqstr(length));
 
-       Length::UNIT const unit = unitFromString(fromqstr(combo->currentText()));
+       Length::UNIT unit = Length::UNIT_NONE;
+       QString const item = combo->currentText();
+       for (int i = 0; i < num_units; i++) {
+               if (qt_(lyx::unit_name_gui[i]) == item) {
+                       unit = unitFromString(unit_name[i]);
+                       break;
+               }
+       }
 
-       return Length(length.toDouble(), unit);
+       return Length(length.trimmed().toDouble(), unit);
 }
 
 
@@ -92,7 +111,9 @@ void lengthToWidgets(QLineEdit * input, LengthCombo * combo,
                      Length const & len, Length::UNIT /*defaultUnit*/)
 {
        combo->setCurrentItem(len.unit());
-       input->setText(QString::number(Length(len).value()));
+       QLocale loc;
+       loc.setNumberOptions(QLocale::OmitGroupSeparator);
+       input->setText(loc.toString(Length(len).value()));
 }
 
 
@@ -113,13 +134,44 @@ void lengthToWidgets(QLineEdit * input, LengthCombo * combo,
 }
 
 
-void lengthAutoToWidgets(QLineEdit * input, LengthCombo * combo,
-       Length const & len, Length::UNIT defaultUnit)
+void lengthToWidgets(QLineEdit * input, LengthCombo * combo,
+       docstring const & len, Length::UNIT defaultUnit)
+{
+       lengthToWidgets(input, combo, to_utf8(len), defaultUnit);
+}
+
+
+double widgetToDouble(QLineEdit const * input)
+{
+       QString const text = input->text();
+       if (text.isEmpty())
+               return 0.0;
+       
+       return text.trimmed().toDouble();
+}
+
+
+string widgetToDoubleStr(QLineEdit const * input)
+{
+       QString const text = input->text();
+       if (text.isEmpty())
+               return string();
+       
+       return convert<string>(text.trimmed().toDouble());
+}
+
+
+void doubleToWidget(QLineEdit * input, double const & value, char f, int prec)
 {
-       if (len.value() == 0)
-               lengthToWidgets(input, combo, "auto", defaultUnit);
-       else
-               lengthToWidgets(input, combo, len, defaultUnit);
+       QLocale loc;
+       loc.setNumberOptions(QLocale::OmitGroupSeparator);
+       input->setText(loc.toString(value, f, prec));
+}
+
+
+void doubleToWidget(QLineEdit * input, string const & value, char f, int prec)
+{
+       doubleToWidget(input, convert<double>(value), f, prec);
 }
 
 
@@ -147,78 +199,12 @@ QString const qt_(string const & str)
        return toqstr(_(str));
 }
 
-namespace {
-
-class Sorter
-{
-public:
-#if !defined(USE_WCHAR_T) && defined(__GNUC__)
-       bool operator()(LanguagePair const & lhs, LanguagePair const & rhs) const
-       {
-               return lhs.first < rhs.first;
-       }
-#else
-       Sorter() : loc_ok(true)
-       {
-               try {
-                       loc_ = locale("");
-               } catch (...) {
-                       loc_ok = false;
-               }
-       }
-
-       bool operator()(LanguagePair const & lhs, LanguagePair const & rhs) const
-       {
-               //  FIXME: would that be "QString::localeAwareCompare()"?
-               if (loc_ok)
-                       return loc_(fromqstr(lhs.first), fromqstr(rhs.first));
-               else
-                       return lhs.first < rhs.first;
-       }
-private:
-       locale loc_;
-       bool loc_ok;
-#endif
-};
-
-
-} // namespace anon
-
-
-QList<LanguagePair> languageData(bool character_dlg)
-{
-       size_t const offset = character_dlg ? 2 : 0;
-       vector<LanguagePair> langs(languages.size() + offset);
-
-       if (character_dlg) {
-               langs[0].first = qt_("No change");
-               langs[0].second = "ignore";
-               langs[1].first = qt_("Reset");
-               langs[1].second = "reset";
-       }
-
-       Languages::const_iterator it = languages.begin();
-       for (size_t i = 0; i != languages.size(); ++i, ++it) {
-               langs[i + offset].first  = qt_(it->second.display());
-               langs[i + offset].second = toqstr(it->second.lang());
-       }
-
-       // Don't sort "ignore" and "reset"
-       vector<LanguagePair>::iterator begin = langs.begin() + offset;
-       sort(begin, langs.end(), Sorter());
-
-       QList<LanguagePair> list;
-       foreach (LanguagePair const & l, langs)
-               list.append(l);
-       return list;
-}
-
 
 void rescanTexStyles()
 {
        // Run rescan in user lyx directory
        PathChanger p(package().user_support());
-       FileName const command = libFileSearch("scripts", "TeXFiles.py");
+       FileName const command = support::libFileSearch("scripts", "TeXFiles.py");
        Systemcall one;
        int const status = one.startscript(Systemcall::Wait,
                        os::python() + ' ' +
@@ -227,7 +213,7 @@ void rescanTexStyles()
                return;
        // FIXME UNICODE
        frontend::Alert::error(_("Could not update TeX information"),
-               bformat(_("The script `%s' failed."), from_utf8(command.absFilename())));
+               bformat(_("The script `%1$s' failed."), from_utf8(command.absFileName())));
 }
 
 
@@ -257,6 +243,27 @@ QStringList texFileList(QString const & filename)
        return QList<QString>::fromSet(set);
 }
 
+QString const externalLineEnding(docstring const & str)
+{
+#ifdef Q_WS_MACX
+       // The MAC clipboard uses \r for lineendings, and we use \n
+       return toqstr(subst(str, '\n', '\r'));
+#elif defined(Q_WS_WIN)
+       // Windows clipboard uses \r\n for lineendings, and we use \n
+       return toqstr(subst(str, from_ascii("\n"), from_ascii("\r\n")));
+#else
+       return toqstr(str);
+#endif
+}
+
+
+docstring const internalLineEnding(QString const & str)
+{
+       docstring const s = subst(qstring_to_ucs4(str), 
+                                 from_ascii("\r\n"), from_ascii("\n"));
+       return subst(s, '\r', '\n');
+}
+
 
 QString internalPath(const QString & str)
 {
@@ -264,9 +271,9 @@ QString internalPath(const QString & str)
 }
 
 
-QString onlyFilename(const QString & str)
+QString onlyFileName(const QString & str)
 {
-       return toqstr(support::onlyFilename(fromqstr(str)));
+       return toqstr(support::onlyFileName(fromqstr(str)));
 }
 
 
@@ -303,4 +310,266 @@ QString getExtension(QString const & name)
        return toqstr(support::getExtension(fromqstr(name)));
 }
 
+
+/** Convert relative path into absolute path based on a basepath.
+  If relpath is absolute, just use that.
+  If basepath doesn't exist use CWD.
+  */
+QString makeAbsPath(QString const & relpath, QString const & base)
+{
+       return toqstr(support::makeAbsPath(fromqstr(relpath),
+               fromqstr(base)).absFileName());
+}
+
+
+/////////////////////////////////////////////////////////////////////////
+//
+// FileFilterList
+//
+/////////////////////////////////////////////////////////////////////////
+
+/** Given a string such as
+ *      "<glob> <glob> ... *.{abc,def} <glob>",
+ *  convert the csh-style brace expresions:
+ *      "<glob> <glob> ... *.abc *.def <glob>".
+ *  Requires no system support, so should work equally on Unix, Mac, Win32.
+ */
+static string const convert_brace_glob(string const & glob)
+{
+       // Matches " *.{abc,def,ghi}", storing "*." as group 1 and
+       // "abc,def,ghi" as group 2.
+       static lyx::regex const glob_re(" *([^ {]*)\\{([^ }]+)\\}");
+       // Matches "abc" and "abc,", storing "abc" as group 1.
+       static lyx::regex const block_re("([^,}]+),?");
+
+       string pattern;
+
+       string::const_iterator it = glob.begin();
+       string::const_iterator const end = glob.end();
+       while (true) {
+               match_results<string::const_iterator> what;
+               if (!regex_search(it, end, what, glob_re)) {
+                       // Ensure that no information is lost.
+                       pattern += string(it, end);
+                       break;
+               }
+
+               // Everything from the start of the input to
+               // the start of the match.
+               pattern += string(what[-1].first, what[-1].second);
+
+               // Given " *.{abc,def}", head == "*." and tail == "abc,def".
+               string const head = string(what[1].first, what[1].second);
+               string const tail = string(what[2].first, what[2].second);
+
+               // Split the ','-separated chunks of tail so that
+               // $head{$chunk1,$chunk2} becomes "$head$chunk1 $head$chunk2".
+               string const fmt = " " + head + "$1";
+               pattern += regex_replace(tail, block_re, fmt);
+
+               // Increment the iterator to the end of the match.
+               it += distance(it, what[0].second);
+       }
+
+       return pattern;
+}
+
+
+struct Filter
+{
+       /* \param description text describing the filters.
+        * \param one or more wildcard patterns, separated by
+        * whitespace.
+        */
+       Filter(docstring const & description, std::string const & globs);
+
+       docstring const & description() const { return desc_; }
+
+       QString toString() const;
+
+       docstring desc_;
+       std::vector<std::string> globs_;
+};
+
+
+Filter::Filter(docstring const & description, string const & globs)
+       : desc_(description)
+{
+       typedef boost::tokenizer<boost::char_separator<char> > Tokenizer;
+       boost::char_separator<char> const separator(" ");
+
+       // Given "<glob> <glob> ... *.{abc,def} <glob>", expand to
+       //       "<glob> <glob> ... *.abc *.def <glob>"
+       string const expanded_globs = convert_brace_glob(globs);
+
+       // Split into individual globs.
+       vector<string> matches;
+       Tokenizer const tokens(expanded_globs, separator);
+       globs_ = vector<string>(tokens.begin(), tokens.end());
+}
+
+
+QString Filter::toString() const
+{
+       QString s;
+
+       bool const has_description = desc_.empty();
+
+       if (has_description) {
+               s += toqstr(desc_);
+               s += " (";
+       }
+
+       for (size_t i = 0; i != globs_.size(); ++i) {
+               if (i > 0)
+                       s += ' ';
+               s += toqstr(globs_[i]);
+       }
+
+       if (has_description)
+               s += ')';
+       return s;
+}
+
+
+/** \c FileFilterList parses a Qt-style list of available file filters
+ *  to generate the corresponding vector.
+ *  For example "TeX documents (*.tex);;LyX Documents (*.lyx)"
+ *  will be parsed to fill a vector of size 2, whilst "*.{p[bgp]m} *.pdf"
+ *  will result in a vector of size 1 in which the description field is empty.
+ */
+struct FileFilterList
+{
+       // FIXME UNICODE: globs_ should be unicode...
+       /** \param qt_style_filter a list of available file filters.
+        *  Eg. "TeX documents (*.tex);;LyX Documents (*.lyx)".
+        *  The "All files (*)" filter is always added to the list.
+        */
+       explicit FileFilterList(docstring const & qt_style_filter =
+                               docstring());
+
+       typedef std::vector<Filter>::size_type size_type;
+
+       bool empty() const { return filters_.empty(); }
+       size_type size() const { return filters_.size(); }
+       Filter & operator[](size_type i) { return filters_[i]; }
+       Filter const & operator[](size_type i) const { return filters_[i]; }
+
+       void parse_filter(std::string const & filter);
+       std::vector<Filter> filters_;
+};
+
+
+FileFilterList::FileFilterList(docstring const & qt_style_filter)
+{
+       // FIXME UNICODE
+       string const filter = to_utf8(qt_style_filter)
+               + (qt_style_filter.empty() ? string() : ";;")
+               + to_utf8(_("All Files "))
+#if defined(_WIN32)            
+               + ("(*.*)");
+#else
+               + ("(*)");
+#endif
+
+       // Split data such as "TeX documents (*.tex);;LyX Documents (*.lyx)"
+       // into individual filters.
+       static lyx::regex const separator_re(";;");
+
+       string::const_iterator it = filter.begin();
+       string::const_iterator const end = filter.end();
+       while (true) {
+               match_results<string::const_iterator> what;
+
+               if (!lyx::regex_search(it, end, what, separator_re)) {
+                       parse_filter(string(it, end));
+                       break;
+               }
+
+               // Everything from the start of the input to
+               // the start of the match.
+               parse_filter(string(what[-1].first, what[-1].second));
+
+               // Increment the iterator to the end of the match.
+               it += distance(it, what[0].second);
+       }
+}
+
+
+void FileFilterList::parse_filter(string const & filter)
+{
+       // Matches "TeX documents (*.tex)",
+       // storing "TeX documents " as group 1 and "*.tex" as group 2.
+       static lyx::regex const filter_re("([^(]*)\\(([^)]+)\\) *$");
+
+       match_results<string::const_iterator> what;
+       if (!lyx::regex_search(filter, what, filter_re)) {
+               // Just a glob, no description.
+               filters_.push_back(Filter(docstring(), trim(filter)));
+       } else {
+               // FIXME UNICODE
+               docstring const desc = from_utf8(string(what[1].first, what[1].second));
+               string const globs = string(what[2].first, what[2].second);
+               filters_.push_back(Filter(trim(desc), trim(globs)));
+       }
+}
+
+
+/** \returns the equivalent of the string passed in
+ *  although any brace expressions are expanded.
+ *  (E.g. "*.{png,jpg}" -> "*.png *.jpg")
+ */
+QStringList fileFilters(QString const & desc)
+{
+       // we have: "*.{gif,png,jpg,bmp,pbm,ppm,tga,tif,xpm,xbm}"
+       // but need:  "*.cpp;*.cc;*.C;*.cxx;*.c++"
+       FileFilterList filters(qstring_to_ucs4(desc));
+       //LYXERR0("DESC: " << desc);
+       QStringList list;
+       for (size_t i = 0; i != filters.filters_.size(); ++i) {
+               QString f = filters.filters_[i].toString();
+               //LYXERR0("FILTER: " << f);
+               list.append(f);
+       }
+       return list;
+}
+
+
+QString guiName(string const & type, BufferParams const & bp)
+{
+       if (type == "tableofcontents")
+               return qt_("Table of Contents");
+       if (type == "child")
+               return qt_("Child Documents");
+       if (type == "graphics")
+               return qt_("List of Graphics");
+       if (type == "equation")
+               return qt_("List of Equations");
+       if (type == "footnote")
+               return qt_("List of Footnotes");
+       if (type == "listing")
+               return qt_("List of Listings");
+       if (type == "index")
+               return qt_("List of Indexes");
+       if (type == "marginalnote")
+               return qt_("List of Marginal notes");
+       if (type == "note")
+               return qt_("List of Notes");
+       if (type == "citation")
+               return qt_("List of Citations");
+       if (type == "label")
+               return qt_("Labels and References");
+       if (type == "branch")
+               return qt_("List of Branches");
+       if (type == "change")
+               return qt_("List of Changes");
+
+       FloatList const & floats = bp.documentClass().floats();
+       if (floats.typeExist(type))
+               return qt_(floats.getType(type).listName());
+
+       return qt_(type);
+}
+
+
 } // namespace lyx