OS X: Remove mnemonics in parentheses

In some language, mnemonics put after label text within parentheses.
e.g. "&Open" is translated to "開く(&O)" in Japanese.

OS X doesn't use mnemonics and '&' in label text is removed.
Mnemonics in parentheses (and spaces before them) also should be removed.

Change-Id: I88c0a1f60af7e148b3cf24a4e215ce807d62bce3
Reviewed-by: Tasuku Suzuki <stasuku@gmail.com>
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@digia.com>

1 files changed, 12 insertions, 0 deletions

diff --git a/src/widgets/styles/qmacstyle_mac.mm b/src/widgets/styles/qmacstyle_mac.mm
index 531f538820..242a1c1c9e 100644
--- a/src/widgets/styles/qmacstyle_mac.mm
+++ b/src/widgets/styles/qmacstyle_mac.mm
@@ -494,6 +494,18 @@ static QString qt_mac_removeMnemonics(const QString &original)
             --l;
             if (l == 0)
                 break;
+        } else if (original.at(currPos) == QLatin1Char('(') && l >= 4 &&
+                   original.at(currPos + 1) == QLatin1Char('&') &&
+                   original.at(currPos + 2) != QLatin1Char('&') &&
+                   original.at(currPos + 3) == QLatin1Char(')')) {
+            /* remove mnemonics its format is "\s*(&X)" */
+            int n = 0;
+            while (finalDest > n && returnText.at(finalDest - n - 1).isSpace())
+                ++n;
+            finalDest -= n;
+            currPos += 4;
+            l -= 4;
+            continue;
         }
         returnText[finalDest] = original.at(currPos);
         ++currPos;