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Enable attribute Qt::AA_UseHighDpiPixmaps only since Qt 5.6.0. ref #584.

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--HG--
branch : develop
This commit is contained in:
Roman Telezhynskyi 2016-11-04 12:44:57 +02:00
parent c978caa7ba
commit 1bc0378b69
1 changed files with 13 additions and 1 deletions
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14
src/libs/vmisc/vabstractapplication.cpp
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@ -101,8 +101,20 @@ VAbstractApplication::VAbstractApplication(int &argc, char **argv)
}
#endif // QT_VERSION >= QT_VERSION_CHECK(5, 2, 0)
#if QT_VERSION >= QT_VERSION_CHECK(5, 1, 0)
#if QT_VERSION >= QT_VERSION_CHECK(5, 6, 0)
// Enable support for HiDPI bitmap resources
// The attribute is available since Qt 5.1, but by default disabled.
// Because on Windows and Mac OS X we always use last version
// and Linux users send bug reports probably they related to this attribute
// better not enable it before Qt 5.6.
//
// Related issues:
// Issue #584. frequent xcb errors and hangs
// https://bitbucket.org/dismine/valentina/issues/584/frequent-xcb-errors-and-hangs
// Issue #527. Error: Pasting a wrong formula : every dialog box is "glued" to the screen and can't close file
// or Valentina.
// https://bitbucket.org/dismine/valentina/issues/527/error-pasting-a-wrong-formula-every-dialog
setAttribute(Qt::AA_UseHighDpiPixmaps);
#endif