def test_objcprotocol_instancecheck(self):
"""isinstance works with an ObjCProtocol as the second argument."""
NSCoding = ObjCProtocol('NSCoding')
NSSecureCoding = ObjCProtocol('NSSecureCoding')
self.assertIsInstance(at(''), NSSecureCoding)
self.assertIsInstance(at(''), NSCoding)
self.assertNotIsInstance(object(), NSSecureCoding)
self.assertNotIsInstance(NSObject.new(), NSSecureCoding)
def test_objcprotocol_instancecheck(self):
"""isinstance works with an ObjCProtocol as the second argument."""
NSCoding = ObjCProtocol('NSCoding')
NSSecureCoding = ObjCProtocol('NSSecureCoding')
self.assertIsInstance(at(''), NSSecureCoding)
self.assertIsInstance(at(''), NSCoding)
self.assertNotIsInstance(object(), NSSecureCoding)
self.assertNotIsInstance(NSObject.new(), NSSecureCoding)
def test_method_varargs_send(self):
"""A variadic method can be called using send_message."""
NSString = ObjCClass('NSString')
formatted = send_message(
NSString,
'stringWithFormat:',
at('This is a %@ with %@'),
varargs=[at('string'), at('placeholders')],
restype=objc_id,
argtypes=[objc_id],
)
self.assertEqual(str(ObjCInstance(formatted)), 'This is a string with placeholders')
def test_objcclass_instancecheck(self):
"""isinstance works with an ObjCClass as the second argument."""
NSArray = ObjCClass('NSArray')
NSString = ObjCClass('NSString')
self.assertIsInstance(NSObject.new(), NSObject)
self.assertIsInstance(at(''), NSString)
self.assertIsInstance(at(''), NSObject)
self.assertIsInstance(NSObject, NSObject)
self.assertIsInstance(NSObject, NSObject.objc_class)
self.assertNotIsInstance(object(), NSObject)
self.assertNotIsInstance(NSObject.new(), NSString)
self.assertNotIsInstance(NSArray.array, NSString)
def test_objcclass_instancecheck(self):
"""isinstance works with an ObjCClass as the second argument."""
NSArray = ObjCClass('NSArray')
NSString = ObjCClass('NSString')
self.assertIsInstance(NSObject.new(), NSObject)
self.assertIsInstance(at(''), NSString)
self.assertIsInstance(at(''), NSObject)
self.assertIsInstance(NSObject, NSObject)
self.assertIsInstance(NSObject, NSObject.objc_class)
self.assertNotIsInstance(object(), NSObject)
self.assertNotIsInstance(NSObject.new(), NSString)
self.assertNotIsInstance(NSArray.array, NSString)
def test_class_ivars(self):
"""An Objective-C class can have instance variables."""
class Ivars(NSObject):
object = objc_ivar(objc_id)
int = objc_ivar(c_int)
rect = objc_ivar(NSRect)
ivars = Ivars.alloc().init()
set_ivar(ivars, 'object', at('foo').ptr)
set_ivar(ivars, 'int', c_int(12345))
set_ivar(ivars, 'rect', NSMakeRect(12, 34, 56, 78))
s = ObjCInstance(get_ivar(ivars, 'object'))
self.assertEqual(str(s), 'foo')
i = get_ivar(ivars, 'int')
self.assertEqual(i.value, 12345)
r = get_ivar(ivars, 'rect')
self.assertEqual(r.origin.x, 12)
self.assertEqual(r.origin.y, 34)
self.assertEqual(r.size.width, 56)
self.assertEqual(r.size.height, 78)
def test_class_ivars(self):
"""An Objective-C class can have instance variables."""
class Ivars(NSObject):
object = objc_ivar(objc_id)
int = objc_ivar(c_int)
rect = objc_ivar(NSRect)
ivars = Ivars.alloc().init()
set_ivar(ivars, 'object', at('foo').ptr)
set_ivar(ivars, 'int', c_int(12345))
set_ivar(ivars, 'rect', NSMakeRect(12, 34, 56, 78))
s = ObjCInstance(get_ivar(ivars, 'object'))
self.assertEqual(str(s), 'foo')
i = get_ivar(ivars, 'int')
self.assertEqual(i.value, 12345)
r = get_ivar(ivars, 'rect')
self.assertEqual(r.origin.x, 12)
self.assertEqual(r.origin.y, 34)
self.assertEqual(r.size.width, 56)
self.assertEqual(r.size.height, 78)
def tableView_viewForTableColumn_row_(self, table, column, row: int):
data_row = self.interface.data[row]
col_identifier = str(column.identifier)
try:
value = getattr(data_row, col_identifier)
# if the value is a widget itself, just draw the widget!
if isinstance(value, toga.Widget):
return value._impl.native
# Allow for an (icon, value) tuple as the simple case
# for encoding an icon in a table cell. Otherwise, look
# for an icon attribute.
elif isinstance(value, tuple):
icon_iface, value = value
else:
try:
icon_iface = value.icon
except AttributeError:
icon_iface = None
except AttributeError:
# The accessor doesn't exist in the data. Use the missing value.
try:
value = self.interface.missing_value
except ValueError as e:
# There is no explicit missing value. Warn the user.
message, value = e.args
print(message.format(row, col_identifier))
icon_iface = None
# If the value has an icon, get the _impl.
# Icons are deferred resources, so we provide the factory.
if icon_iface:
icon = icon_iface.bind(self.interface.factory)
else:
icon = None
# creates a NSTableCellView from interface-builder template (does not exist)
# or reuses an existing view which is currently not needed for painting
# returns None (nil) if both fails
identifier = at('CellView_{}'.format(self.interface.id))
tcv = self.makeViewWithIdentifier(identifier, owner=self)
if not tcv: # there is no existing view to reuse so create a new one
tcv = TogaIconView.alloc().initWithFrame_(
CGRectMake(0, 0, column.width, 16))
tcv.identifier = identifier
tcv.setText(str(value))
if icon:
tcv.setImage(icon.native)
else:
tcv.setImage(None)
# Keep track of last visible view for row
self._impl._view_for_row[data_row] = tcv
return tcv
def _add_column(self, heading, accessor):
column_identifier = at(accessor)
self.column_identifiers[accessor] = column_identifier
column = NSTableColumn.alloc().initWithIdentifier(column_identifier)
self.table.addTableColumn(column)
self.columns.append(column)
column.headerCell.stringValue = heading
def create(self):
# Create a tree view, and put it in a scroll view.
# The scroll view is the _impl, because it's the outer container.
self.native = NSScrollView.alloc().init()
self.native.hasVerticalScroller = True
self.native.hasHorizontalScroller = False
self.native.autohidesScrollers = False
self.native.borderType = NSBezelBorder
# Create the Tree widget
self.tree = TogaTree.alloc().init()
self.tree.interface = self.interface
self.tree._impl = self
self.tree.columnAutoresizingStyle = NSTableViewUniformColumnAutoresizingStyle
self.tree.usesAlternatingRowBackgroundColors = True
self.tree.allowsMultipleSelection = self.interface.multiple_select
# Create columns for the tree
self.columns = []
# Cocoa identifies columns by an accessor; to avoid repeated
# conversion from ObjC string to Python String, create the
# ObjC string once and cache it.
self.column_identifiers = {}
for i, (heading, accessor) in enumerate(
zip(self.interface.headings, self.interface._accessors)):
column_identifier = at(accessor)
self.column_identifiers[id(column_identifier)] = accessor
column = NSTableColumn.alloc().initWithIdentifier(
column_identifier)
# column.editable = False
column.midWidth = 100
# if self.interface.sorting:
# sort_descriptor = NSSortDescriptor.sortDescriptorWithKey(column_identifier, ascending=True)
# column.sortDescriptorPrototype = sort_descriptor
self.tree.addTableColumn(column)
self.columns.append(column)
column.headerCell.stringValue = heading
# Put the tree arrows in the first column.
self.tree.outlineTableColumn = self.columns[0]
self.tree.delegate = self.tree
self.tree.dataSource = self.tree
# Embed the tree view in the scroll view
self.native.documentView = self.tree
# Add the layout constraints
self.add_constraints()
def outlineView_viewForTableColumn_item_(self, tree, column, item):
col_identifier = self._impl.column_identifiers[id(column.identifier)]
try:
value = getattr(item.attrs['node'], col_identifier)
# if the value is a widget itself, just draw the widget!
if isinstance(value, toga.Widget):
return value._impl.native
# Allow for an (icon, value) tuple as the simple case
# for encoding an icon in a table cell. Otherwise, look
# for an icon attribute.
elif isinstance(value, tuple):
icon_iface, value = value
else:
try:
icon_iface = value.icon
except AttributeError:
icon_iface = None
except AttributeError:
# If the node doesn't have a property with the
# accessor name, assume an empty string value.
value = ''
icon_iface = None
# If the value has an icon, get the _impl.
# Icons are deferred resources, so we provide the factory.
if icon_iface:
icon = icon_iface.bind(self.interface.factory)
else:
icon = None
# creates a NSTableCellView from interface-builder template (does not exist)
# or reuses an existing view which is currently not needed for painting
# returns None (nil) if both fails
identifier = at('CellView_{}'.format(self.interface.id))
tcv = self.makeViewWithIdentifier(identifier, owner=self)
if not tcv: # there is no existing view to reuse so create a new one
tcv = TogaIconView.alloc().initWithFrame_(
CGRectMake(0, 0, column.width, 16))
tcv.identifier = identifier
tcv.setText(str(value))
if icon:
tcv.setImage(icon.native)
else:
tcv.setImage(None)
return tcv
def test_partial_method_lots_of_args(self):
pystring = "Uñîçö∂€"
pybytestring = pystring.encode("utf-8")
nsstring = at(pystring)
buf = create_string_buffer(len(pybytestring) + 1)
usedLength = NSUInteger()
remaining = NSRange(0, 0)
nsstring.getBytes(
buf,
maxLength=32,
usedLength=byref(usedLength),
encoding=4, # NSUTF8StringEncoding
options=0,
range=NSRange(0, 7),
remainingRange=byref(remaining),
)
self.assertEqual(buf.value.decode("utf-8"), pystring)
def test_partial_method_lots_of_args(self):
pystring = "Uñîçö∂€"
pybytestring = pystring.encode("utf-8")
nsstring = at(pystring)
buf = create_string_buffer(len(pybytestring) + 1)
usedLength = NSUInteger()
remaining = NSRange(0, 0)
nsstring.getBytes(
buf,
maxLength=32,
usedLength=byref(usedLength),
encoding=4, # NSUTF8StringEncoding
options=0,
range=NSRange(0, 7),
remainingRange=byref(remaining),
)
self.assertEqual(buf.value.decode("utf-8"), pystring)
def create(self):
# Create a table view, and put it in a scroll view.
# The scroll view is the native, because it's the outer container.
self.native = NSScrollView.alloc().init()
self.native.hasVerticalScroller = True
self.native.hasHorizontalScroller = False
self.native.autohidesScrollers = False
self.native.borderType = NSBezelBorder
self.table = TogaTable.alloc().init()
self.table.interface = self.interface
self.table._impl = self
self.table.columnAutoresizingStyle = NSTableViewColumnAutoresizingStyle.Uniform
self.table.allowsMultipleSelection = self.interface.multiple_select
# Create columns for the table
self.columns = []
# Cocoa identifies columns by an accessor; to avoid repeated
# conversion from ObjC string to Python String, create the
# ObjC string once and cache it.
self.column_identifiers = {}
for i, (heading, accessor) in enumerate(
zip(self.interface.headings, self.interface._accessors)):
column_identifier = at(accessor)
self.column_identifiers[id(column_identifier)] = accessor
column = NSTableColumn.alloc().initWithIdentifier(
column_identifier)
self.table.addTableColumn(column)
self.columns.append(column)
cell = TogaIconCell.alloc().init()
column.dataCell = cell
column.headerCell.stringValue = heading
self.table.delegate = self.table
self.table.dataSource = self.table
# Embed the table view in the scroll view
self.native.documentView = self.table
# Add the layout constraints
self.add_constraints()
def test_class_nonobject_properties(self):
"""An Objective-C class can have properties of non-object types."""
class Properties(NSObject):
object = objc_property(ObjCInstance)
int = objc_property(c_int)
rect = objc_property(NSRect)
properties = Properties.alloc().init()
properties.object = at('foo')
properties.int = 12345
properties.rect = NSMakeRect(12, 34, 56, 78)
self.assertEqual(properties.object, 'foo')
self.assertEqual(properties.int, 12345)
r = properties.rect
self.assertEqual(r.origin.x, 12)
self.assertEqual(r.origin.y, 34)
self.assertEqual(r.size.width, 56)
self.assertEqual(r.size.height, 78)
def test_class_nonobject_properties(self):
"""An Objective-C class can have properties of non-object types."""
class Properties(NSObject):
object = objc_property(ObjCInstance)
int = objc_property(c_int)
rect = objc_property(NSRect)
properties = Properties.alloc().init()
properties.object = at('foo')
properties.int = 12345
properties.rect = NSMakeRect(12, 34, 56, 78)
self.assertEqual(properties.object, 'foo')
self.assertEqual(properties.int, 12345)
r = properties.rect
self.assertEqual(r.origin.x, 12)
self.assertEqual(r.origin.y, 34)
self.assertEqual(r.size.width, 56)
self.assertEqual(r.size.height, 78)
def test_cfstring_to_str(self):
"CFString/NSString instances can be converted to Python str."
self.assertEqual(str(at("abcdef")), "abcdef")
def tabView_didSelectTabViewItem_(self, view, item) -> None:
index = at(item.identifier).longValue
if self.interface.on_select:
self.interface.on_select(self.interface, option=self.interface.content[index])
