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author | Mitch Curtis <mitch.curtis@nokia.com> | 2012-08-30 16:58:47 +0200 |
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committer | Qt by Nokia <qt-info@nokia.com> | 2012-08-31 01:16:56 +0200 |
commit | c2907968ed7eac9c8ee6b7615e57271476215dd4 (patch) | |
tree | 4a90e9924afe70fd02734d3123368a6d65f6b18c /src/corelib/tools | |
parent | 2e7f06c9bcae5bcaefb99750aabd5bb860948e77 (diff) |
Document the purpose of QDateTimeParser::cachedDay.
It's useful to know what this member variable is used for, since there
is very little documentation for QDateTimeParser, which makes
maintenance yucky.
Change-Id: I9ecf5aa5ef0b5d778ceb858c323e3bab1ebaa7dc
Reviewed-by: Frederik Gladhorn <frederik.gladhorn@nokia.com>
Diffstat (limited to 'src/corelib/tools')
-rw-r--r-- | src/corelib/tools/qdatetime_p.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/src/corelib/tools/qdatetime_p.h b/src/corelib/tools/qdatetime_p.h index fa897121f6..3861a731d9 100644 --- a/src/corelib/tools/qdatetime_p.h +++ b/src/corelib/tools/qdatetime_p.h @@ -254,6 +254,19 @@ public: mutable int currentSectionIndex; Sections display; + /* + This stores the stores the most recently selected day. + It is useful when considering the following scenario: + + 1. Date is: 31/01/2000 + 2. User increments month: 29/02/2000 + 3. User increments month: 31/03/2000 + + At step 1, cachedDay stores 31. At step 2, the 31 is invalid for February, so the cachedDay is not updated. + At step 3, the the month is changed to March, for which 31 is a valid day. Since 29 < 31, the day is set to cachedDay. + This is good for when users have selected their desired day and are scrolling up or down in the month or year section + and do not want smaller months (or non-leap years) to alter the day that they chose. + */ mutable int cachedDay; mutable QString text; QVector<SectionNode> sectionNodes; |