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* QDateTime - Fix round-trip of second occurrence timesJohn Layt2013-09-271-5/+11
| | | | | | | | | | | | | | | | | | | | | | | At the Daylight Tme to Standard Time transition, the local time repeats itself, i.e. 2am occurs twice. Qt's behavior when setting this using the local time is ambiguous, as it depends on the system implementation of mktime, which behaves differently on different platforms. Currently this behavior remains undefined. When setting using an msecs or time_t value however we can determine the correct instance to use and cache it to ensure that any conversion back from local time to msecs is performed consistantly on all platforms. Note that caching this value will result in any calculations being wrong should the system time zone change, or its rules change. This will be fixed in Qt 5.3 when the system time zone change signal is implemented and QDateTime switches to using QTimeZone instead of mktime to provide consistnt behavior across platforms. The QTimeZone spec does not require this fix as it already caches the correct offset in setMSecsFromEpoch(). Change-Id: I799588db474e744a6d81e80f6a0442920569ebd3 Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
* QDateTime - Add QTimeZone supportJohn Layt2013-09-231-2/+24
| | | | | | | | | | | Add support to QDateTime for time zones using the new QTimeZone class. [ChangeLog][QtCore][QDateTime] Add support for a new Qt::TimeZone spec to be used with QTimeZone to define times in a specific time zone. Change-Id: I21bfa52a8ba8989b55bb74e025d1f2b2b623b2a7 Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
* QDateTime - Fix Daylight Transition for "missing" hourJohn Layt2013-09-201-0/+10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | When Daylight Time transtion goes from Standard Time to Daylight Time there is a "missing" hour, i.e. at 2am CET the clock goes forward to 3am. Currently QDateTime ignores this gap and considers the time to be valid and able to be manipulated. This change respects the transition, so any time set in the missing hour is considered invalid, and any date maths returns valid results. The validity in the current time zone needs to be checked every time isValid() is called in case the system time zone has changed since the last time it was checked. This is done by calling mktime to check the returned result matches the expected result. This could be very inefficient, but the returned offset value is cached each time so mktime is not required to be called again within each method call, effectively meaning mktime is called the same number of times by each method. Note that this means any new methods added must be careful to ensure either isValid() or refreshLocalTime() is called first by any method needing to use the UTC value. [ChangeLog][QtCore][QDateTime] The Standard Time to Daylight Time transition for Qt::LocalTime is now handled correctly. Any date set in the "missing" hour is now considered invalid. All date math results that fall into the missing hour will be automatically adjusted to a valid time in the following hour. Change-Id: Ia652c8511b45df15f4917acf12403ec01a7f08e7 Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
* QDateTime - Change date/time storage to msecsJohn Layt2013-09-201-14/+31
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | Change from storing the date and time as QDate and QTime to a serialised msecs format. This format is a direct translation of the QDate and QTime values, it is not the actual msecs since the Unix epoch. This msecs format ensures we are always able to recreate the original QDate and QTime values, but should still simplify the code and improve performance. Because we no longer store the explicit date and time we need to store their isNull()/isValid() status separately. The changes in storage results in the same memory footprint as before. Note that this change does not optimize the code nor set out to fix the known bugs, it only seeks to maintain the current behavior, although some bugs are fixed implicitly. More bug fixes and optimizations will follow. [ChangeLog][Important Behavior Changes] The supported date range in QDateTime has been reduced to about +/- 292 million years, the range supported by the number of msecs since the Unix epoch of 1 Jan 1970 as stored in a qint64, and as able to be used in the setMSecsSinceEpoch() and toMSecsSinceEpoch() methods. Change-Id: I98804d8781909555d3313a3a7080eb8e70cb46ad Reviewed-by: Sérgio Martins <sergio.martins@kdab.com> Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
* QDateTime - Store Qt::TimeSpec, remove Daylight StatusJohn Layt2013-09-141-4/+22
| | | | | | | | | | | | | | Change storing the spec from QDateTimePrivate::Spec to Qt::TimeSpec. Remove the storage and use of the Daylight Status as it is almost never set or used, and would be inaccurate if the tz were to change. It will be replaced later with proper daylight transition support. This simplifies the code and makes the msecs storage change easier. Change-Id: I78a70905025d7eddf1c2dc6001f6b490e5a2b3b8 Reviewed-by: Lars Knoll <lars.knoll@digia.com> Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
* QDateTime - Switch to using msecs based functionsJohn Layt2013-09-141-2/+0
| | | | | | | | | | | | | | | | | | | | | | A number of QDateTime functions directly use or modify the data stored in the private, but future changes to store msecs and status make this maintenance more complicated. Where possible simplify this code to use the standard msecs functions, standard constructors, or public api instead. This greatly simplifies the functions and the following msecs storage code changes. This is an intermim step towards storing the time in msecs. Some functions will be slower as a result of this change, optimization will take place after all the msecs changes are completed. Note this also removes a test that used valid QDates outside the range of msecs, this change in behavior will be documented in the final mscs change. Change-Id: I6ef710f24babc7024091010064082e9be0b5bbfe Reviewed-by: Lars Knoll <lars.knoll@digia.com> Reviewed-by: Mitch Curtis <mitch.curtis@digia.com> Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
* QDateTime - Split QDateTimeParser into a separate fileJohn Layt2013-09-091-208/+0
| | | | | | | | | | | | | Not strictly needed yet, but helps to reduce the size of QDateTime and make it easier to read a major re-write. Imposes separation of parser which will be needed if we make QLocale always use the system backends, after which only QDateTimeEdit widget will need the parser and it can be moved there. Change-Id: I6a5e9a3edf6fe8ff2340af6afecd8ba4bfde9dd4 Reviewed-by: Lars Knoll <lars.knoll@digia.com> Reviewed-by: Thiago Macieira <thiago.macieira@intel.com> Reviewed-by: Mitch Curtis <mitch.curtis@digia.com>
* QDateTime - Improve and expose Qt::OffsetFromUtcJohn Layt2013-08-281-9/+11
| | | | | | | | | | | | | | | | | | | | | | | | | | | The Qt::OffsetFromUtc TimeSpec was made public in Qt 4.4 but the access methods were never made public in the apidox effectively meaning the feature was never used. The implementation was also incomplete and inconsistent. This change cleans up the implementation and exports new public API for using the TimeSpec using new method names consistent with the new QTimeZone support. This change increases the QDataStream Version number for Qt 5.2 to 15. The behavior of one constructor has changed slightly to be consistent with the rest of the feature, but this behavior was never documented. [ChangeLog][QtCore][QDateTime] Fully implement support for Qt::TimeSpec of Qt::OffsetFromUTC, added new methods for offsetFromUTC(), toTimeSpec(), and toOffsetFromUTC(). Task-number: QTBUG-26161 Task-number: QTBUG-29666 Change-Id: If3cc7fc9778ca2b831644408ae749448d5975a3a Reviewed-by: Thiago Macieira <thiago.macieira@intel.com> Reviewed-by: Mitch Curtis <mitch.curtis@digia.com>
* Ensure QDateTime can handle QDate's full range of julian dates.Mitch Curtis2013-02-121-0/+3
| | | | | | | | Currently, using QDate::maxJd() in tests will fail. This patch changes some ints to qint64s to prevent overflows where necessary. Change-Id: I61ebf8f233411a7544689fd5bfa9c3abee54e933 Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
* Update copyright year in Digia's license headersSergio Ahumada2013-01-181-1/+1
| | | | | Change-Id: Ic804938fc352291d011800d21e549c10acac66fb Reviewed-by: Lars Knoll <lars.knoll@digia.com>
* Change copyrights from Nokia to DigiaIikka Eklund2012-09-221-24/+24
| | | | | | | | Change copyrights and license headers from Nokia to Digia Change-Id: If1cc974286d29fd01ec6c19dd4719a67f4c3f00e Reviewed-by: Lars Knoll <lars.knoll@digia.com> Reviewed-by: Sergio Ahumada <sergio.ahumada@digia.com>
* Fix QDateEdit displaying day as a number for short and long day formatsMitch Curtis2012-09-051-2/+3
| | | | | | | | | | | When 2 (February) is entered as the month for (e.g.) 31/Jan/2000 (which is following the format: "dd/MMM/yyyy"), the day is corrected to 29 but displayed as its numerical value instead of its short (or long) name. Task-number: QTBUG-27036 QTBUG-19091 Change-Id: I558ee13b224707d22b26c2ec2c045f96118bd5a1 Reviewed-by: Mitch Curtis <mitch.curtis@nokia.com> Reviewed-by: aavit <qt_aavit@ovi.com>
* Fix 3 digit day being displayed by QDateEdit.Mitch Curtis2012-09-051-0/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | When a QDateEdit has its display format set to "yyyy/MM/dd", its day set to 31 and its month set to 2, it will display 291 as the day until the cursor is moved or the focus changed. This is because QDateTimeParser::parse calls sectionSize() for the day section, which will sometimes return an incorrect size. There are also other display formats affected by this bug (e.g. long day names). For example, (in the context of sectionSize()) when text is "2000/01/31" and displayText() is "2000/2/31", there is a difference between displayText() and text - text is the previous value and displayText() is the new value. The size difference is always due to leading zeroes. This patch makes QDateTimeParser keep track of the quantity of zeroes added to each section and then factors this value into the result of sectionSize() if there is a size difference between text and displayText(). Task-number: QTBUG-26847 Change-Id: I3823cc41167ec920f742cb6a20d39fc5f433c915 Reviewed-by: Mitch Curtis <mitch.curtis@nokia.com> Reviewed-by: Gabriel de Dietrich <gabriel.dietrich-de@nokia.com> Reviewed-by: aavit <qt_aavit@ovi.com>
* Document the purpose of QDateTimeParser::cachedDay.Mitch Curtis2012-08-311-0/+13
| | | | | | | | | 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>
* Remove "All rights reserved" line from license headers.Jason McDonald2012-01-301-1/+1
| | | | | | | | | | As in the past, to avoid rewriting various autotests that contain line-number information, an extra blank line has been inserted at the end of the license text to ensure that this commit does not change the total number of lines in the license header. Change-Id: I311e001373776812699d6efc045b5f742890c689 Reviewed-by: Rohan McGovern <rohan.mcgovern@nokia.com>
* Remove Symbian code from QtCore.Xizhi Zhu2012-01-241-7/+0
| | | | | Change-Id: I9abdc674bcfa7bb38ce27c5213c5a672f59e63d5 Reviewed-by: Lars Knoll <lars.knoll@nokia.com>
* Update contact information in license headers.Jason McDonald2012-01-231-1/+1
| | | | | | | Replace Nokia contact email address with Qt Project website. Change-Id: I431bbbf76d7c27d8b502f87947675c116994c415 Reviewed-by: Rohan McGovern <rohan.mcgovern@nokia.com>
* Update copyright year in license headers.Jason McDonald2012-01-051-1/+1
| | | | | Change-Id: I02f2c620296fcd91d4967d58767ea33fc4e1e7dc Reviewed-by: Rohan McGovern <rohan.mcgovern@nokia.com>
* Cleanup reference counting in QDateTimePrivate class.Jedrzej Nowacki2011-07-121-3/+2
| | | | | | | | | | It is better to use QSharedData which is a common interface for ref counting. Change-Id: I990476d6763901bf383f241bce16fe26665b021c Reviewed-on: http://codereview.qt.nokia.com/1439 Reviewed-by: Qt Sanity Bot <qt_sanity_bot@ovi.com> Reviewed-by: Olivier Goffart <olivier.goffart@nokia.com>
* Update licenseheader text in source files for qtbase Qt moduleJyri Tahtela2011-05-241-17/+17
| | | | | | | Updated version of LGPL and FDL licenseheaders. Apply release phase licenseheaders for all source files. Reviewed-by: Trust Me
* Initial import from the monolithic Qt.Qt by Nokia2011-04-271-0/+289
This is the beginning of revision history for this module. If you want to look at revision history older than this, please refer to the Qt Git wiki for how to use Git history grafting. At the time of writing, this wiki is located here: http://qt.gitorious.org/qt/pages/GitIntroductionWithQt If you have already performed the grafting and you don't see any history beyond this commit, try running "git log" with the "--follow" argument. Branched from the monolithic repo, Qt master branch, at commit 896db169ea224deb96c59ce8af800d019de63f12