gui/experiments: prevent comboboxes and spinboxes from stealing focus via mouse wheel

This commit is contained in:
Sebastien Bourdeauducq 2015-11-30 19:53:40 +08:00
parent cabcdb3784
commit 277e26434f
4 changed files with 40 additions and 15 deletions

View File

@ -7,15 +7,13 @@ from quamash import QtGui, QtCore
from pyqtgraph import dockarea
from artiq.gui.tools import log_level_to_name, disable_scroll_wheel
from artiq.gui.scan import ScanController
from artiq.gui.log import log_level_to_name
logger = logging.getLogger(__name__)
# TODO: disable mouse wheel on entry widget like QDoubleSpinBox and QComboBox
# (interferes with QTreeWidget scrolling)
class _StringEntry(QtGui.QLineEdit):
def __init__(self, argument):
QtGui.QLineEdit.__init__(self)
@ -53,6 +51,7 @@ class _BooleanEntry(QtGui.QCheckBox):
class _EnumerationEntry(QtGui.QComboBox):
def __init__(self, argument):
QtGui.QComboBox.__init__(self)
disable_scroll_wheel(self)
choices = argument["desc"]["choices"]
self.addItems(choices)
idx = choices.index(argument["state"])
@ -76,6 +75,7 @@ class _EnumerationEntry(QtGui.QComboBox):
class _NumberEntry(QtGui.QDoubleSpinBox):
def __init__(self, argument):
QtGui.QDoubleSpinBox.__init__(self)
disable_scroll_wheel(self)
procdesc = argument["desc"]
scale = procdesc["scale"]
self.setDecimals(procdesc["ndecimals"])

View File

@ -6,24 +6,14 @@ from functools import partial
from quamash import QtGui, QtCore
from pyqtgraph import dockarea, LayoutWidget
from artiq.gui.tools import log_level_to_name
try:
QSortFilterProxyModel = QtCore.QSortFilterProxyModel
except AttributeError:
QSortFilterProxyModel = QtGui.QSortFilterProxyModel
def log_level_to_name(level):
if level >= logging.CRITICAL:
return "CRITICAL"
if level >= logging.ERROR:
return "ERROR"
if level >= logging.WARNING:
return "WARNING"
if level >= logging.INFO:
return "INFO"
return "DEBUG"
class Model(QtCore.QAbstractTableModel):
def __init__(self, init):
QtCore.QAbstractTableModel.__init__(self)

View File

@ -4,6 +4,8 @@ from collections import OrderedDict
from quamash import QtGui
from pyqtgraph import LayoutWidget
from artiq.gui.tools import disable_scroll_wheel
logger = logging.getLogger(__name__)
@ -14,6 +16,7 @@ class _NoScan(LayoutWidget):
scale = procdesc["scale"]
self.value = QtGui.QDoubleSpinBox()
disable_scroll_wheel(self.value)
self.value.setDecimals(procdesc["ndecimals"])
if procdesc["global_min"] is not None:
self.value.setMinimum(procdesc["global_min"]/scale)
@ -58,16 +61,19 @@ class _Range(LayoutWidget):
self.addWidget(QtGui.QLabel("Min:"), 0, 0)
self.min = QtGui.QDoubleSpinBox()
disable_scroll_wheel(self.min)
apply_properties(self.min)
self.addWidget(self.min, 0, 1)
self.addWidget(QtGui.QLabel("Max:"), 1, 0)
self.max = QtGui.QDoubleSpinBox()
disable_scroll_wheel(self.max)
apply_properties(self.max)
self.addWidget(self.max, 1, 1)
self.addWidget(QtGui.QLabel("#Points:"), 2, 0)
self.npoints = QtGui.QSpinBox()
disable_scroll_wheel(self.npoints)
self.npoints.setMinimum(2)
self.npoints.setValue(10)
self.addWidget(self.npoints, 2, 1)

29
artiq/gui/tools.py Normal file
View File

@ -0,0 +1,29 @@
import logging
from quamash import QtCore
def log_level_to_name(level):
if level >= logging.CRITICAL:
return "CRITICAL"
if level >= logging.ERROR:
return "ERROR"
if level >= logging.WARNING:
return "WARNING"
if level >= logging.INFO:
return "INFO"
return "DEBUG"
class _WheelFilter(QtCore.QObject):
def eventFilter(self, obj, event):
if event.type() == QtCore.QEvent.Wheel:
event.ignore()
return True
else:
return False
def disable_scroll_wheel(widget):
widget.setFocusPolicy(QtCore.Qt.StrongFocus)
widget.installEventFilter(_WheelFilter(widget))