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Details

Type: Bug
Resolution: Done
Priority: P3: Somewhat important
Fix Version/s: None
Affects Version/s: 6.3.1
Component/s: PySide
Labels:
None
Environment:
All

Platform/s:

All
Commits:
f8e945097c (pyside/pyside-setup/dev) eb845eb705 (pyside/pyside-setup/6.3) eb845eb705 (pyside/tqtc-pyside-setup/6.3) f8e945097c (pyside/tqtc-pyside-setup/dev) eb845eb705 (pyside/pyside-setup/wip/6.3_pypy) eb845eb705 (pyside/tqtc-pyside-setup/wip/6.3_pypy)

Description

Returning a PySide 6 enum for role Qt.ItemDataRole.TextAlignmentRole from the data() method of a model is broken in Qt 6.3.1. Sample code below:

from PySide6.QtCore import Qt, QAbstractTableModel
from PySide6.QtWidgets import QTableView, QApplication
class M(QAbstractTableModel):    
    def rowCount(self, *a):
        return 1
    def columnCount(self, *a):
        return 1
    def data(self, index, role):
        if role == Qt.ItemDataRole.DisplayRole:
            return 'testing'
        if role == Qt.ItemDataRole.TextAlignmentRole:
            ans = Qt.AlignmentFlag.AlignVCenter | Qt.AlignmentFlag.AlignHCenter
            return ans
app = QApplication([])
v = QTableView()
v.setModel(M())
v.resize(v.sizeHint())
v.show()
app.exec()

The string testing is displayed in the top left corner instead of centered. Changing return ans to return int(ans) gives the expected behavior. Therefore, conversion of the PySide6 enum to int is failing. This used to work fine with Qt 6.2.3. It also fails with PyQt6.

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pyside1964_pyqt63.png
27 kB
22 Jun '22 12:49
pyside1974_list.py
2 kB
23 Jun '22 09:01
pyside1974_p515.png
23 kB
22 Jun '22 12:49
pyside1974_p621.png
26 kB
22 Jun '22 12:49
pyside1974_p623.png
23 kB
22 Jun '22 12:49
pyside1974_p631.png
23 kB
22 Jun '22 12:49
pyside1974_pyqt.py
2 kB
22 Jun '22 12:50
pyside1974.py
2 kB
23 Jun '22 09:02

Issue Links

relates to

PYSIDE-168 QtCore.Alignment objects are not correctly interpreted when returned from item.data()

Closed

PYSIDE-1930 REG ->6.2.4: Cannot return Qt.CheckState enum values from QAbstractItemModel::flags()

Closed

resulted from

PYSIDE-1798 Cannot store enum Qt.PenStyle object as user data of QComboBox item (QVariant)

Closed

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For Gerrit Dashboard: PYSIDE-1974
#	Subject	Branch	Project	Status	CR	V
418483,4	Fix returning flags from QAbstractTableModel and other models	dev	pyside/pyside-setup	Status: MERGED	+2	0
418547,4	support enum handling for headerData(...)	dev	pyside/pyside-setup	Status: MERGED	+2	0
418575,2	support enum handling for headerData(...)	6.3	pyside/pyside-setup	Status: MERGED	+2	0
418669,2	Fix returning flags from QAbstractTableModel and other models	6.3	pyside/pyside-setup	Status: MERGED	+2	0