def create(self):
self.native = WinForms.TextBox()
self.native.Multiline = False
self.native.DoubleClick += self.winforms_double_click
self.native.TextChanged += self.winforms_text_changed
self.native.Validated += self.winforms_validated
self.error_provider = WinForms.ErrorProvider()
self.error_provider.SetIconAlignment(
self.native, WinForms.ErrorIconAlignment.MiddleRight)
self.error_provider.SetIconPadding(self.native, -20)
self.error_provider.BlinkStyle = WinForms.ErrorBlinkStyle.NeverBlink
def create(self):
self._container = self
self.native = WinForms.ListView()
self.native.View = WinForms.View.Details
dataColumn = []
for heading in self.interface.headings:
col = WinForms.ColumnHeader()
col.Text = heading
dataColumn.append(col)
self.native.FullRowSelect = True
self.native.Multiselect = self.interface.multiple_select
self.native.Columns.AddRange(dataColumn)
def insert(self, index, item):
self.native.BeginUpdate()
item._impl = WinForms.ListViewItem([
str(getattr(item, attr)) for attr in self.interface._accessors
])
self.native.Items.Insert(index, item._impl)
self.native.EndUpdate()
def create(self):
# because https://stackoverflow.com/a/612234
self.native = WinForms.RichTextBox()
self.native.Multiline = True
self.native.TextChanged += self.winforms_text_changed
self.native.Enter += self.winforms_enter
self.native.Leave += self.winforms_leave
self._placeholder = None
def create(self):
self.native = WinForms.TrackBar()
self.native.Scroll += self.winforms_scroll
self.native.MouseDown += self.winforms_mouse_down
self.native.MouseUp += self.winforms_mouse_up
self.set_enabled(self.interface._enabled)
self.native.Minimum = 0
self.set_tick_count(self.interface.tick_count)
def winforms_retrieve_virtual_item(self, sender, e):
# Because ListView is in VirtualMode, it's necessary implement
# VirtualItemsSelectionRangeChanged event to create ListViewItem when it's needed
if self._cache and e.ItemIndex >= self._first_item and \
e.ItemIndex < self._first_item + len(self._cache):
e.Item = self._cache[e.ItemIndex - self._first_item]
else:
e.Item = WinForms.ListViewItem(self.row_data(self.interface.data[e.ItemIndex]))
def update_data(self):
self.native.BeginUpdate()
self.native.Items.Clear()
items = []
for item in self.interface.data:
item._impl = WinForms.ListViewItem(self.row_data(item))
items.append(item._impl)
self.native.Items.AddRange(items)
self.native.EndUpdate()
def set_tooltip(el: toga.Label, text):
if IS_WINDOWS:
tt = WinForms.ToolTip()
tt.IsBalloon = True
tt.InitialDelay = 500
tt.ReshowDelay = 800
tt.AutoPopDelay = 15000
tt.SetToolTip(el._impl.native, text)
elif IS_MAC:
pass # TODO, below snipets does not work
def winforms_cache_virtual_items(self, sender, e):
if self._cache and e.StartIndex >= self._first_item and \
e.EndIndex <= self._first_item + len(self._cache):
# If the newly requested cache is a subset of the old cache,
# no need to rebuild everything, so do nothing
return
# Now we need to rebuild the cache.
self._first_item = e.StartIndex
new_length = e.EndIndex - e.StartIndex + 1
self._cache = []
# Fill the cache with the appropriate ListViewItems.
for i in range(new_length):
self._cache.append(WinForms.ListViewItem(self.row_data(self.interface.data[i])))
def add_content(self, label, widget):
widget.viewport = WinFormsViewport(self.native, self)
widget.frame = self
# Add all children to the content widget.
for child in widget.interface.children:
child._impl.container = widget
item = WinForms.TabPage()
item.Text = label
# Enable AutoSize on the container to fill
# the available space in the OptionContainer.
widget.AutoSize = True
item.Controls.Add(widget.native)
self.native.Controls.Add(item)
def create(self):
self.native = WinForms.ListView()
self.native.View = WinForms.View.Details
self._cache = []
self._first_item = 0
dataColumn = []
for i, (heading, accessor) in enumerate(
zip(self.interface.headings, self.interface._accessors)):
dataColumn.append(self._create_column(heading, accessor))
self.native.FullRowSelect = True
self.native.MultiSelect = self.interface.multiple_select
self.native.DoubleBuffered = True
self.native.VirtualMode = True
self.native.Columns.AddRange(dataColumn)
self.native.ItemSelectionChanged += self.winforms_item_selection_changed
self.native.RetrieveVirtualItem += self.winforms_retrieve_virtual_item
self.native.CacheVirtualItems += self.winforms_cache_virtual_items
self.native.VirtualItemsSelectionRangeChanged += self.winforms_virtual_item_selection_range_changed
def create(self):
self.native = WinForms.LinkLabel()
self.native.LinkColor = Color.Black
self.native.LinkClicked += WinForms.LinkLabelLinkClickedEventHandler(
self.interface._link_clicked
)
def create(self):
self.native = WinForms.NumericUpDown()
def create(self):
self.native = WinForms.TreeView()
def create(self):
self.native = WinForms.Button()
self.native.Click += self.winforms_click
self.set_enabled(self.interface._enabled)
def create(self):
self.native = WinForms.Panel()
self.native.interface = self.interface
def create(self):
self.native = WinForms.DateTimePicker()
self.native.Format = WinForms.DateTimePickerFormat.Time
self.native.ShowUpDown = True
def create(self):
self.native = WinForms.Label()
def create(self):
self.native = WinForms.CheckBox()
self.native.CheckedChanged += self.winforms_checked_changed
def create(self):
self.native = WinForms.DateTimePicker()
def create(self):
self.native = WinForms.TabControl()
def insert(self, index, item):
item._impl = WinForms.ListViewItem(
[getattr(item, attr) for attr in self.interface._accessors])
self.native.Items.Insert(index, item._impl)
def create(self):
self.native = WinForms.SplitContainer()
self.native.interface = self.interface
self.native.Resize += self.on_resize
self.native.SplitterMoved += self.on_resize
self.ratio = None
def create(self):
self.native = WinForms.Panel()
self.native.interface = self.interface
self.native.AutoScroll = True
self.native.Scroll += self.winforms_scroll
self.native.MouseWheel += self.winforms_scroll
def create(self):
self.native = WinForms.ProgressBar()
def create(self):
self.native = WinForms.TextBox()
self.native.Multiline = False
def create(self):
self.native = WinForms.PictureBox()
self.native.interface = self.interface
self.native.SizeMode = WinForms.PictureBoxSizeMode.StretchImage
def create(self):
self.native = WinForms.Panel()
self.native.interface = self.interface
self.native.AutoScroll = True
def setUp(self):
self.loop = proactor.WinformsProactorEventLoop()
# asyncio.set_event_loop(self.loop)
self.app_context = WinForms.ApplicationContext()
def create(self):
self.native = WinForms.DateTimePicker()
self.native.ValueChanged += self.winforms_value_changed
self.native.Format = WinForms.DateTimePickerFormat.Time
self.native.ShowUpDown = True
