* qt_helpers.h:

[lyx.git] / src / frontends / qt4 / qt_helpers.h

diff --git a/src/frontends/qt4/qt_helpers.h b/src/frontends/qt4/qt_helpers.h
index fa96925da49d6303ec276266875a3b54cc3b59fc..82a14383f396f51389a9b6e5a3da5272aaa548ee 100644 (file)
--- a/src/frontends/qt4/qt_helpers.h
+++ b/src/frontends/qt4/qt_helpers.h
@@ -16,13 +16,13 @@
 #include "support/docstring.h"
 
 #include <QChar>
+#include <QString>
 
 #include <vector>
 #include <utility>
 
 class QComboBox;
 class QLineEdit;
-class QString;
 
 class LengthCombo;
 
@@ -45,12 +45,15 @@ void lengthToWidgets(QLineEdit * input, LengthCombo * combo,
 docstring const formatted(docstring const & text, int w = 80);
 
 /**
- * toqstr - convert char * into unicode
+ * toqstr - convert char * into Qt's unicode (UTF16)
  *
  * Use this whenever there's a user-visible string that is encoded
  * for the locale (menus, dialogs etc.)
  */
-QString const toqstr(char const * str);
+inline QString const toqstr(char const * str)
+{
+       return QString::fromUtf8(str);
+}
 
 
 /**
@@ -59,7 +62,10 @@ QString const toqstr(char const * str);
  * Use this whenever there's a user-visible string that is encoded
  * for the locale (menus, dialogs etc.)
  */
-QString const toqstr(std::string const & str);
+inline QString const toqstr(std::string const & str)
+{
+       return toqstr(str.c_str());
+}
 
 
 /**
@@ -67,32 +73,44 @@ QString const toqstr(std::string const & str);
  *
  * QString uses utf16 internally.
  */
-QString const toqstr(docstring const & ucs4);
+inline char_type const qchar_to_ucs4(QChar const & qchar) {
+       return static_cast<char_type>(qchar.unicode());
+}
 
-void ucs4_to_qstring(char_type const * str, size_t ls, QString & s);
+inline QChar const ucs4_to_qchar(char_type const ucs4) {
+       // FIXME: The following cast is not a real conversion but it work
+       // for the ucs2 subrange of unicode. Instead of an assertion we should
+       // return some special characters that indicates that its display is
+       // not supported.
+       BOOST_ASSERT(ucs4 < 65536);
+       return QChar(static_cast<unsigned short>(ucs4));
+}
+
+QString const toqstr(docstring const & ucs4);
 
 void ucs4_to_qstring(docstring const & str, QString & s);
 
+inline void ucs4_to_qstring(char_type const * str, size_t ls, QString & s)
+{
+       int i = static_cast<int>(ls);
+       s.resize(i);
+       for (i ; --i >= 0; )
+               s[i] = ucs4_to_qchar(str[i]);
+}
+
+
 QString ucs4_to_qstring(docstring const & str);
 
 docstring const qstring_to_ucs4(QString const & qstr);
 
 void qstring_to_ucs4(QString const & qstr, std::vector<char_type> & ucs4);
 
-inline char_type const qchar_to_ucs4(QChar const & qchar) {
-       return static_cast<char_type>(qchar.unicode());
-}
-
-inline QChar const ucs4_to_qchar(char_type const ucs4) {
-       return QChar(static_cast<unsigned short>(ucs4));
-}
-
 /**
  * qt_ - i18nize string and convert to unicode
  *
  * Use this in qt4/ instead of qt_()
  */
-QString const qt_(char const * str);
+QString const qt_(char const * str, const char * comment);
 
 
 /**