Add QT_TR*_N_NOOP() macros

[ChangeLog][QtCore][Global] Added the QT_TR_N_NOOP(),
QT_TRANSLATE_N_NOOP(), and QT_TRANSLATE_N_NOOP3() macros for numeral
dependent delayed translation.

Change-Id: I57c5b1ad4006267f49a57b0cbc40216b8e0399ff
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@qt.io>
Reviewed-by: Martin Smith <martin.smith@qt.io>

1 files changed, 48 insertions, 0 deletions

diff --git a/src/corelib/doc/snippets/code/src_corelib_global_qglobal.cpp b/src/corelib/doc/snippets/code/src_corelib_global_qglobal.cpp
index 2d7b9a9ac8..9d029e5d4d 100644
--- a/src/corelib/doc/snippets/code/src_corelib_global_qglobal.cpp
+++ b/src/corelib/doc/snippets/code/src_corelib_global_qglobal.cpp
@@ -440,6 +440,54 @@ QString global_greeting(int type)
 //! [36]
 
 
+//! [qttrnnoop]
+static const char * const StatusClass::status_strings[] = {
+    QT_TR_N_NOOP("There are %n new message(s)"),
+    QT_TR_N_NOOP("There are %n total message(s)")
+};
+
+QString StatusClass::status(int type, int count)
+{
+    return tr(status_strings[type], nullptr, count);
+}
+//! [qttrnnoop]
+
+//! [qttranslatennoop]
+static const char * const greeting_strings[] = {
+    QT_TRANSLATE_N_NOOP("Welcome Msg", "Hello, you have %n message(s)"),
+    QT_TRANSLATE_N_NOOP("Welcome Msg", "Hi, you have %n message(s)")
+};
+
+QString global_greeting(int type, int msgcnt)
+{
+    return translate("Welcome Msg", greeting_strings[type], nullptr, msgcnt);
+}
+//! [qttranslatennoop]
+
+//! [qttranslatennoop3]
+static { const char * const source; const char * const comment; } status_strings[] = {
+    QT_TRANSLATE_N_NOOP3("Message Status", "Hello, you have %n message(s)",
+                         "A login message status"),
+    QT_TRANSLATE_N_NOOP3("Message status", "You have %n new message(s)",
+                         "A new message query status")
+};
+
+QString FriendlyConversation::greeting(int type, int count)
+{
+    return tr(status_strings[type].source,
+              status_strings[type].comment, count);
+}
+
+QString global_greeting(int type, int count)
+{
+    return qApp->translate("Message Status",
+                           status_strings[type].source,
+                           status_strings[type].comment,
+                           count);
+}
+//! [qttranslatennoop3]
+
+
 //! [qttrid]
     //% "%n fooish bar(s) found.\n"
     //% "Do you want to continue?"