You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
524 lines
17 KiB
524 lines
17 KiB
#############################################################################
|
|
##
|
|
## Copyright (C) 2019 Riverbank Computing Limited.
|
|
## Copyright (C) 2006 Thorsten Marek.
|
|
## All right reserved.
|
|
##
|
|
## This file is part of PyQt.
|
|
##
|
|
## You may use this file under the terms of the GPL v2 or the revised BSD
|
|
## license as follows:
|
|
##
|
|
## "Redistribution and use in source and binary forms, with or without
|
|
## modification, are permitted provided that the following conditions are
|
|
## met:
|
|
## * Redistributions of source code must retain the above copyright
|
|
## notice, this list of conditions and the following disclaimer.
|
|
## * Redistributions in binary form must reproduce the above copyright
|
|
## notice, this list of conditions and the following disclaimer in
|
|
## the documentation and/or other materials provided with the
|
|
## distribution.
|
|
## * Neither the name of the Riverbank Computing Limited nor the names
|
|
## of its contributors may be used to endorse or promote products
|
|
## derived from this software without specific prior written
|
|
## permission.
|
|
##
|
|
## THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
## "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
## LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
|
## A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
|
## OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
|
## SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
|
## LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
## DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
## THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
## (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
## OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
|
|
##
|
|
#############################################################################
|
|
|
|
|
|
import logging
|
|
import os.path
|
|
import sys
|
|
|
|
from .exceptions import NoSuchClassError, UnsupportedPropertyError
|
|
from .icon_cache import IconCache
|
|
|
|
if sys.hexversion >= 0x03000000:
|
|
from .port_v3.ascii_upper import ascii_upper
|
|
else:
|
|
from .port_v2.ascii_upper import ascii_upper
|
|
|
|
|
|
logger = logging.getLogger(__name__)
|
|
DEBUG = logger.debug
|
|
|
|
|
|
QtCore = None
|
|
QtGui = None
|
|
QtWidgets = None
|
|
|
|
|
|
def int_list(prop):
|
|
return [int(child.text) for child in prop]
|
|
|
|
def float_list(prop):
|
|
return [float(child.text) for child in prop]
|
|
|
|
bool_ = lambda v: v == "true"
|
|
|
|
def qfont_enum(v):
|
|
return getattr(QtGui.QFont, v)
|
|
|
|
def needsWidget(func):
|
|
func.needsWidget = True
|
|
return func
|
|
|
|
|
|
class Properties(object):
|
|
def __init__(self, factory, qtcore_module, qtgui_module, qtwidgets_module):
|
|
self.factory = factory
|
|
|
|
global QtCore, QtGui, QtWidgets
|
|
QtCore = qtcore_module
|
|
QtGui = qtgui_module
|
|
QtWidgets = qtwidgets_module
|
|
|
|
self._base_dir = ''
|
|
|
|
self.reset()
|
|
|
|
def set_base_dir(self, base_dir):
|
|
""" Set the base directory to be used for all relative filenames. """
|
|
|
|
self._base_dir = base_dir
|
|
self.icon_cache.set_base_dir(base_dir)
|
|
|
|
def reset(self):
|
|
self.buddies = []
|
|
self.delayed_props = []
|
|
self.icon_cache = IconCache(self.factory, QtGui)
|
|
|
|
def _pyEnumMember(self, cpp_name):
|
|
try:
|
|
prefix, membername = cpp_name.split("::")
|
|
except ValueError:
|
|
prefix = 'Qt'
|
|
membername = cpp_name
|
|
|
|
if prefix == 'Qt':
|
|
return getattr(QtCore.Qt, membername)
|
|
|
|
scope = self.factory.findQObjectType(prefix)
|
|
if scope is None:
|
|
raise NoSuchClassError(prefix)
|
|
|
|
return getattr(scope, membername)
|
|
|
|
def _set(self, prop):
|
|
expr = [self._pyEnumMember(v) for v in prop.text.split('|')]
|
|
|
|
value = expr[0]
|
|
for v in expr[1:]:
|
|
value |= v
|
|
|
|
return value
|
|
|
|
def _enum(self, prop):
|
|
return self._pyEnumMember(prop.text)
|
|
|
|
def _number(self, prop):
|
|
return int(prop.text)
|
|
|
|
_UInt = _uInt = _longLong = _uLongLong = _number
|
|
|
|
def _double(self, prop):
|
|
return float(prop.text)
|
|
|
|
def _bool(self, prop):
|
|
return prop.text == 'true'
|
|
|
|
def _stringlist(self, prop):
|
|
return [self._string(p, notr='true') for p in prop]
|
|
|
|
def _string(self, prop, notr=None):
|
|
text = prop.text
|
|
|
|
if text is None:
|
|
return ""
|
|
|
|
if prop.get('notr', notr) == 'true':
|
|
return text
|
|
|
|
disambig = prop.get('comment')
|
|
|
|
return QtWidgets.QApplication.translate(self.uiname, text, disambig)
|
|
|
|
_char = _string
|
|
|
|
def _cstring(self, prop):
|
|
return str(prop.text)
|
|
|
|
def _color(self, prop):
|
|
args = int_list(prop)
|
|
|
|
# Handle the optional alpha component.
|
|
alpha = int(prop.get("alpha", "255"))
|
|
|
|
if alpha != 255:
|
|
args.append(alpha)
|
|
|
|
return QtGui.QColor(*args)
|
|
|
|
def _point(self, prop):
|
|
return QtCore.QPoint(*int_list(prop))
|
|
|
|
def _pointf(self, prop):
|
|
return QtCore.QPointF(*float_list(prop))
|
|
|
|
def _rect(self, prop):
|
|
return QtCore.QRect(*int_list(prop))
|
|
|
|
def _rectf(self, prop):
|
|
return QtCore.QRectF(*float_list(prop))
|
|
|
|
def _size(self, prop):
|
|
return QtCore.QSize(*int_list(prop))
|
|
|
|
def _sizef(self, prop):
|
|
return QtCore.QSizeF(*float_list(prop))
|
|
|
|
def _pixmap(self, prop):
|
|
if prop.text:
|
|
fname = prop.text.replace("\\", "\\\\")
|
|
if self._base_dir != '' and fname[0] != ':' and not os.path.isabs(fname):
|
|
fname = os.path.join(self._base_dir, fname)
|
|
|
|
return QtGui.QPixmap(fname)
|
|
|
|
# Don't bother to set the property if the pixmap is empty.
|
|
return None
|
|
|
|
def _iconset(self, prop):
|
|
return self.icon_cache.get_icon(prop)
|
|
|
|
def _url(self, prop):
|
|
return QtCore.QUrl(prop[0].text)
|
|
|
|
def _locale(self, prop):
|
|
lang = getattr(QtCore.QLocale, prop.attrib['language'])
|
|
country = getattr(QtCore.QLocale, prop.attrib['country'])
|
|
return QtCore.QLocale(lang, country)
|
|
|
|
def _date(self, prop):
|
|
return QtCore.QDate(*int_list(prop))
|
|
|
|
def _datetime(self, prop):
|
|
args = int_list(prop)
|
|
return QtCore.QDateTime(QtCore.QDate(*args[-3:]), QtCore.QTime(*args[:-3]))
|
|
|
|
def _time(self, prop):
|
|
return QtCore.QTime(*int_list(prop))
|
|
|
|
def _gradient(self, prop):
|
|
name = 'gradient'
|
|
|
|
# Create the specific gradient.
|
|
gtype = prop.get('type', '')
|
|
|
|
if gtype == 'LinearGradient':
|
|
startx = float(prop.get('startx'))
|
|
starty = float(prop.get('starty'))
|
|
endx = float(prop.get('endx'))
|
|
endy = float(prop.get('endy'))
|
|
gradient = self.factory.createQObject('QLinearGradient', name,
|
|
(startx, starty, endx, endy), is_attribute=False)
|
|
|
|
elif gtype == 'ConicalGradient':
|
|
centralx = float(prop.get('centralx'))
|
|
centraly = float(prop.get('centraly'))
|
|
angle = float(prop.get('angle'))
|
|
gradient = self.factory.createQObject('QConicalGradient', name,
|
|
(centralx, centraly, angle), is_attribute=False)
|
|
|
|
elif gtype == 'RadialGradient':
|
|
centralx = float(prop.get('centralx'))
|
|
centraly = float(prop.get('centraly'))
|
|
radius = float(prop.get('radius'))
|
|
focalx = float(prop.get('focalx'))
|
|
focaly = float(prop.get('focaly'))
|
|
gradient = self.factory.createQObject('QRadialGradient', name,
|
|
(centralx, centraly, radius, focalx, focaly),
|
|
is_attribute=False)
|
|
|
|
else:
|
|
raise UnsupportedPropertyError(prop.tag)
|
|
|
|
# Set the common values.
|
|
spread = prop.get('spread')
|
|
if spread:
|
|
gradient.setSpread(getattr(QtGui.QGradient, spread))
|
|
|
|
cmode = prop.get('coordinatemode')
|
|
if cmode:
|
|
gradient.setCoordinateMode(getattr(QtGui.QGradient, cmode))
|
|
|
|
# Get the gradient stops.
|
|
for gstop in prop:
|
|
if gstop.tag != 'gradientstop':
|
|
raise UnsupportedPropertyError(gstop.tag)
|
|
|
|
position = float(gstop.get('position'))
|
|
color = self._color(gstop[0])
|
|
|
|
gradient.setColorAt(position, color)
|
|
|
|
return gradient
|
|
|
|
def _palette(self, prop):
|
|
palette = self.factory.createQObject("QPalette", "palette", (),
|
|
is_attribute=False)
|
|
|
|
for palette_elem in prop:
|
|
sub_palette = getattr(QtGui.QPalette, palette_elem.tag.title())
|
|
for role, color in enumerate(palette_elem):
|
|
if color.tag == 'color':
|
|
# Handle simple colour descriptions where the role is
|
|
# implied by the colour's position.
|
|
palette.setColor(sub_palette,
|
|
QtGui.QPalette.ColorRole(role), self._color(color))
|
|
elif color.tag == 'colorrole':
|
|
role = getattr(QtGui.QPalette, color.get('role'))
|
|
brush = self._brush(color[0])
|
|
palette.setBrush(sub_palette, role, brush)
|
|
else:
|
|
raise UnsupportedPropertyError(color.tag)
|
|
|
|
return palette
|
|
|
|
def _brush(self, prop):
|
|
brushstyle = prop.get('brushstyle')
|
|
|
|
if brushstyle in ('LinearGradientPattern', 'ConicalGradientPattern', 'RadialGradientPattern'):
|
|
gradient = self._gradient(prop[0])
|
|
brush = self.factory.createQObject("QBrush", "brush", (gradient, ),
|
|
is_attribute=False)
|
|
else:
|
|
color = self._color(prop[0])
|
|
brush = self.factory.createQObject("QBrush", "brush", (color, ),
|
|
is_attribute=False)
|
|
|
|
brushstyle = getattr(QtCore.Qt, brushstyle)
|
|
brush.setStyle(brushstyle)
|
|
|
|
return brush
|
|
|
|
#@needsWidget
|
|
def _sizepolicy(self, prop, widget):
|
|
values = [int(child.text) for child in prop]
|
|
|
|
if len(values) == 2:
|
|
# Qt v4.3.0 and later.
|
|
horstretch, verstretch = values
|
|
hsizetype = getattr(QtWidgets.QSizePolicy, prop.get('hsizetype'))
|
|
vsizetype = getattr(QtWidgets.QSizePolicy, prop.get('vsizetype'))
|
|
else:
|
|
hsizetype, vsizetype, horstretch, verstretch = values
|
|
hsizetype = QtWidgets.QSizePolicy.Policy(hsizetype)
|
|
vsizetype = QtWidgets.QSizePolicy.Policy(vsizetype)
|
|
|
|
sizePolicy = self.factory.createQObject('QSizePolicy', 'sizePolicy',
|
|
(hsizetype, vsizetype), is_attribute=False)
|
|
sizePolicy.setHorizontalStretch(horstretch)
|
|
sizePolicy.setVerticalStretch(verstretch)
|
|
sizePolicy.setHeightForWidth(widget.sizePolicy().hasHeightForWidth())
|
|
return sizePolicy
|
|
_sizepolicy = needsWidget(_sizepolicy)
|
|
|
|
# font needs special handling/conversion of all child elements.
|
|
_font_attributes = (("Family", lambda s: s),
|
|
("PointSize", int),
|
|
("Bold", bool_),
|
|
("Italic", bool_),
|
|
("Underline", bool_),
|
|
("Weight", int),
|
|
("StrikeOut", bool_),
|
|
("Kerning", bool_),
|
|
("StyleStrategy", qfont_enum))
|
|
|
|
def _font(self, prop):
|
|
newfont = self.factory.createQObject("QFont", "font", (),
|
|
is_attribute = False)
|
|
for attr, converter in self._font_attributes:
|
|
v = prop.findtext("./%s" % (attr.lower(),))
|
|
if v is None:
|
|
continue
|
|
|
|
getattr(newfont, "set%s" % (attr,))(converter(v))
|
|
return newfont
|
|
|
|
def _cursor(self, prop):
|
|
return QtGui.QCursor(QtCore.Qt.CursorShape(int(prop.text)))
|
|
|
|
def _cursorShape(self, prop):
|
|
return QtGui.QCursor(getattr(QtCore.Qt, prop.text))
|
|
|
|
def convert(self, prop, widget=None):
|
|
try:
|
|
func = getattr(self, "_" + prop[0].tag)
|
|
except AttributeError:
|
|
raise UnsupportedPropertyError(prop[0].tag)
|
|
else:
|
|
args = {}
|
|
if getattr(func, "needsWidget", False):
|
|
assert widget is not None
|
|
args["widget"] = widget
|
|
|
|
return func(prop[0], **args)
|
|
|
|
|
|
def _getChild(self, elem_tag, elem, name, default=None):
|
|
for prop in elem.findall(elem_tag):
|
|
if prop.attrib["name"] == name:
|
|
return self.convert(prop)
|
|
else:
|
|
return default
|
|
|
|
def getProperty(self, elem, name, default=None):
|
|
return self._getChild("property", elem, name, default)
|
|
|
|
def getAttribute(self, elem, name, default=None):
|
|
return self._getChild("attribute", elem, name, default)
|
|
|
|
def setProperties(self, widget, elem):
|
|
# Lines are sunken unless the frame shadow is explicitly set.
|
|
set_sunken = (elem.attrib.get('class') == 'Line')
|
|
|
|
for prop in elem.findall('property'):
|
|
prop_name = prop.attrib['name']
|
|
DEBUG("setting property %s" % (prop_name,))
|
|
|
|
if prop_name == 'frameShadow':
|
|
set_sunken = False
|
|
|
|
try:
|
|
stdset = bool(int(prop.attrib['stdset']))
|
|
except KeyError:
|
|
stdset = True
|
|
|
|
if not stdset:
|
|
self._setViaSetProperty(widget, prop)
|
|
elif hasattr(self, prop_name):
|
|
getattr(self, prop_name)(widget, prop)
|
|
else:
|
|
prop_value = self.convert(prop, widget)
|
|
if prop_value is not None:
|
|
getattr(widget, 'set%s%s' % (ascii_upper(prop_name[0]), prop_name[1:]))(prop_value)
|
|
|
|
if set_sunken:
|
|
widget.setFrameShadow(QtWidgets.QFrame.Sunken)
|
|
|
|
# SPECIAL PROPERTIES
|
|
# If a property has a well-known value type but needs special,
|
|
# context-dependent handling, the default behaviour can be overridden here.
|
|
|
|
# Delayed properties will be set after the whole widget tree has been
|
|
# populated.
|
|
def _delayed_property(self, widget, prop):
|
|
prop_value = self.convert(prop)
|
|
if prop_value is not None:
|
|
prop_name = prop.attrib["name"]
|
|
self.delayed_props.append((widget, False,
|
|
'set%s%s' % (ascii_upper(prop_name[0]), prop_name[1:]),
|
|
prop_value))
|
|
|
|
# These properties will be set with a widget.setProperty call rather than
|
|
# calling the set<property> function.
|
|
def _setViaSetProperty(self, widget, prop):
|
|
prop_value = self.convert(prop, widget)
|
|
if prop_value is not None:
|
|
prop_name = prop.attrib['name']
|
|
|
|
# This appears to be a Designer/uic hack where stdset=0 means that
|
|
# the viewport should be used.
|
|
if prop[0].tag == 'cursorShape':
|
|
widget.viewport().setProperty(prop_name, prop_value)
|
|
else:
|
|
widget.setProperty(prop_name, prop_value)
|
|
|
|
# Ignore the property.
|
|
def _ignore(self, widget, prop):
|
|
pass
|
|
|
|
# Define properties that use the canned handlers.
|
|
currentIndex = _delayed_property
|
|
currentRow = _delayed_property
|
|
|
|
showDropIndicator = _setViaSetProperty
|
|
intValue = _setViaSetProperty
|
|
value = _setViaSetProperty
|
|
|
|
objectName = _ignore
|
|
margin = _ignore
|
|
leftMargin = _ignore
|
|
topMargin = _ignore
|
|
rightMargin = _ignore
|
|
bottomMargin = _ignore
|
|
spacing = _ignore
|
|
horizontalSpacing = _ignore
|
|
verticalSpacing = _ignore
|
|
|
|
# tabSpacing is actually the spacing property of the widget's layout.
|
|
def tabSpacing(self, widget, prop):
|
|
prop_value = self.convert(prop)
|
|
if prop_value is not None:
|
|
self.delayed_props.append((widget, True, 'setSpacing', prop_value))
|
|
|
|
# buddy setting has to be done after the whole widget tree has been
|
|
# populated. We can't use delay here because we cannot get the actual
|
|
# buddy yet.
|
|
def buddy(self, widget, prop):
|
|
buddy_name = prop[0].text
|
|
if buddy_name:
|
|
self.buddies.append((widget, buddy_name))
|
|
|
|
# geometry is handled specially if set on the toplevel widget.
|
|
def geometry(self, widget, prop):
|
|
if widget.objectName() == self.uiname:
|
|
geom = int_list(prop[0])
|
|
widget.resize(geom[2], geom[3])
|
|
else:
|
|
widget.setGeometry(self._rect(prop[0]))
|
|
|
|
def orientation(self, widget, prop):
|
|
# If the class is a QFrame, it's a line.
|
|
if widget.metaObject().className() == 'QFrame':
|
|
widget.setFrameShape(
|
|
{'Qt::Horizontal': QtWidgets.QFrame.HLine,
|
|
'Qt::Vertical' : QtWidgets.QFrame.VLine}[prop[0].text])
|
|
else:
|
|
widget.setOrientation(self._enum(prop[0]))
|
|
|
|
# The isWrapping attribute of QListView is named inconsistently, it should
|
|
# be wrapping.
|
|
def isWrapping(self, widget, prop):
|
|
widget.setWrapping(self.convert(prop))
|
|
|
|
# This is a pseudo-property injected to deal with margins.
|
|
def pyuicMargins(self, widget, prop):
|
|
widget.setContentsMargins(*int_list(prop))
|
|
|
|
# This is a pseudo-property injected to deal with spacing.
|
|
def pyuicSpacing(self, widget, prop):
|
|
horiz, vert = int_list(prop)
|
|
|
|
if horiz == vert:
|
|
widget.setSpacing(horiz)
|
|
else:
|
|
if horiz >= 0:
|
|
widget.setHorizontalSpacing(horiz)
|
|
|
|
if vert >= 0:
|
|
widget.setVerticalSpacing(vert)
|