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  1. Qt
  2. QTBUG-44066

QMacStyle crashes on Yosemite for sliders with minimum==maximum

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Details

    • Bug
    • Resolution: Duplicate
    • P1: Critical
    • None
    • 5.4.0
    • QPA
    • None
    • OS X 10.10 Yosemite
    • macOS

    Description

      For example: Create new widget form in Qt Designer or Qt Creator, add a slider, set minimum and maximum value to 0.

      Exception Type:        EXC_ARITHMETIC (SIGFPE)
Exception Codes:       EXC_I386_DIV (divide by zero)

Thread 0 Crashed:: Dispatch queue: com.apple.main-thread
0   org.qt-project.QtWidgets      	0x000000010353417c QMacStylePrivate::getSliderInfo(QStyle::ComplexControl, QStyleOptionSlider const*, HIThemeTrackDrawInfo*, QWidget const*) const + 460
1   org.qt-project.QtWidgets      	0x0000000103545073 QMacStyle::drawComplexControl(QStyle::ComplexControl, QStyleOptionComplex const*, QPainter*, QWidget const*) const + 403
2   org.qt-project.QtWidgets      	0x00000001036d9a98 QSlider::paintEvent(QPaintEvent*) + 344
3   org.qt-project.QtWidgets      	0x000000010359a4bb QWidget::event(QEvent*) + 2123
4   org.qt-project.QtWidgets      	0x00000001036d9c18 QSlider::event(QEvent*) + 344
5   org.qt-project.QtWidgets      	0x000000010355adbb QApplicationPrivate::notify_helper(QObject*, QEvent*) + 251
6   org.qt-project.QtWidgets      	0x000000010355e110 QApplication::notify(QObject*, QEvent*) + 8192
...

      Clearly there is a division by (maximum-minimum) in that code for OS X 10.10 Yosemite

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        Issue Links

          is replaced by

          Bug - A problem which impairs or prevents the functions of the product. QTBUG-43398 QSlider crash osx (getSliderInfo)

          • P1: Critical - Urgent and Important, will STOP the release if matched with set FixVersion field. This includes regressions from the last version that are not edge cases; Data loss; Build issues; All but the most unlikely crashes/lockups/hanging; Serious usability issues and embarrassing bugs & Bugs critical to a deliverable. This is the highest possible priority for requirements.
          • Closed
          is required for

          Bug - A problem which impairs or prevents the functions of the product. QTBUG-43201 Issues to be fixed before 5.4.1

          • P0: Blocker - MUST be fixed ASAP. This includes issues that prevent/block further Qt development; Legal issues & Serious data loss issues.
          • Closed
          resulted from

          Bug - A problem which impairs or prevents the functions of the product. QTCREATORBUG-13842 Crash in QT Creator

          • P1: Critical - Urgent and Important, will STOP the release if matched with set FixVersion field. This includes regressions from the last version that are not edge cases; Data loss; Build issues; All but the most unlikely crashes/lockups/hanging; Serious usability issues and embarrassing bugs & Bugs critical to a deliverable. This is the highest possible priority for requirements.
          • Closed
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              sorvig Morten Sørvig
              con Eike Ziller
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              Dates

                Created:
                Updated:
                Resolved:

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