def __init__(self, ui: UserInterface.UserInterface, text: str) -> None:
column_widget = ui.create_column_widget()
super().__init__(column_widget)
self.on_button_clicked: typing.Optional[typing.Callable[[],
None]] = None
font = "normal 11px serif"
font_metrics = ui.get_font_metrics(font, text)
text_button_canvas_item = TextButtonCanvasItem(text)
text_button_canvas_item.update_sizing(
text_button_canvas_item.sizing.with_fixed_size(
Geometry.IntSize(height=font_metrics.height + 6,
width=font_metrics.width + 6)))
def button_clicked() -> None:
if callable(self.on_button_clicked):
self.on_button_clicked()
text_button_canvas_item.on_button_clicked = button_clicked
text_button_canvas_widget = ui.create_canvas_widget(properties={
"height": 20,
"width": 20
})
text_button_canvas_widget.canvas_item.add_canvas_item(
text_button_canvas_item)
# ugh. this is a partially working stop-gap when a canvas item is in a widget it will not get mouse exited reliably
root_container = text_button_canvas_item.root_container
if root_container:
text_button_canvas_widget.on_mouse_exited = root_container.canvas_widget.on_mouse_exited
column_widget.add(text_button_canvas_widget)
def __init__(self, ui: UserInterface.UserInterface, data_grid_controller: DataGridController):
super().__init__(ui.create_column_widget())
self.data_grid_controller = data_grid_controller
data_grid_widget = ui.create_canvas_widget()
data_grid_widget.canvas_item.add_canvas_item(data_grid_controller.canvas_item)
self.content_widget.add(data_grid_widget)
def data_list_drag_started(mime_data: UserInterface.MimeData, thumbnail_data: numpy.ndarray) -> None:
self.drag(mime_data, thumbnail_data)
data_grid_controller.on_drag_started = data_list_drag_started
def __init__(self,
ui: UserInterface.UserInterface,
thumbnail_source: AbstractThumbnailSource,
size: typing.Optional[Geometry.IntSize] = None,
properties: typing.Optional[
Persistence.PersistentDictType] = None,
is_expanding: bool = False) -> None:
content_widget = ui.create_column_widget(
properties={
"size-policy-horizontal": "expanding",
"size-policy-vertical": "expanding"
} if is_expanding else None)
super().__init__(content_widget)
if not is_expanding:
size = size or Geometry.IntSize(width=80, height=80)
thumbnail_canvas_item = ThumbnailCanvasItem(ui, thumbnail_source, size)
properties = properties or ({
"height": size.height,
"width": size.width
} if size else dict())
bitmap_canvas_widget = ui.create_canvas_widget(properties=properties)
thumbnail_square = CanvasItem.CanvasItemComposition()
thumbnail_square.layout = SquareCanvasItemLayout()
thumbnail_square.add_canvas_item(thumbnail_canvas_item)
bitmap_canvas_widget.canvas_item.add_canvas_item(thumbnail_square)
content_widget.add(bitmap_canvas_widget)
self.on_drop_mime_data: typing.Optional[typing.Callable[
[UserInterface.MimeData, int, int], str]] = None
self.on_drag: typing.Optional[typing.Callable[[
UserInterface.MimeData, typing.Optional[_ImageDataType], int, int
], None]] = None
self.on_delete: typing.Optional[typing.Callable[[], None]] = None
def drop_mime_data(mime_data: UserInterface.MimeData, x: int,
y: int) -> str:
if callable(self.on_drop_mime_data):
return self.on_drop_mime_data(mime_data, x, y)
return "ignore"
def drag(mime_data: UserInterface.MimeData,
thumbnail: typing.Optional[_NDArray], x: int, y: int) -> None:
on_drag = self.on_drag
if callable(on_drag):
on_drag(mime_data, thumbnail, x, y)
def delete() -> None:
on_delete = self.on_delete
if callable(on_delete):
on_delete()
thumbnail_canvas_item.on_drop_mime_data = drop_mime_data
thumbnail_canvas_item.on_drag = drag
thumbnail_canvas_item.on_delete = delete
def __init__(self,
ui: UserInterface.UserInterface,
section_title: str,
section: UserInterface.Widget,
section_id: typing.Optional[str] = None) -> None:
section_widget = ui.create_column_widget()
super().__init__(section_widget)
section_title_row = ui.create_row_widget()
twist_down_canvas_item = CanvasItem.TwistDownCanvasItem()
twist_down_canvas_widget = ui.create_canvas_widget(properties={
"height": 20,
"width": 20
})
twist_down_canvas_widget.canvas_item.add_canvas_item(
twist_down_canvas_item)
section_title_label = ui.create_label_widget(section_title)
section_title_label.text_font = "bold"
section_title_row.add(twist_down_canvas_widget)
section_title_row.add(section_title_label)
section_title_row.add_stretch()
section_widget.add(section_title_row)
section_content_row = ui.create_row_widget()
section_content_column = ui.create_column_widget()
section_content_column.add_spacing(4)
section_content_column.add(section)
section_content_row.add_spacing(20)
section_content_row.add(section_content_column)
section_widget.add(section_content_row)
section_widget.add_spacing(4)
def toggle() -> None:
twist_down_canvas_item.checked = not twist_down_canvas_item.checked
section_content_column.visible = twist_down_canvas_item.checked
if section_id:
ui.set_persistent_string(
section_id,
"true" if twist_down_canvas_item.checked else "false")
section_open = ui.get_persistent_string(
section_id, "true") == "true" if section_id else True
twist_down_canvas_item.checked = section_open
section_content_column.visible = section_open
twist_down_canvas_item.on_button_clicked = toggle
self.section_title_row = section_title_row
self.__twist_down_canvas_item = twist_down_canvas_item
def construct(self, d_type: str, ui: UserInterface.UserInterface, window: typing.Optional[Window.Window],
d: Declarative.UIDescription, handler: Declarative.HandlerLike,
finishes: typing.List[typing.Callable[[], None]]) -> typing.Optional[UserInterface.Widget]:
if d_type == "notification_char_button":
font = "normal 13px serif"
text = d["text"]
fm = ui.get_font_metrics(font, text)
canvas_item = CharButtonCanvasItem(text)
widget = ui.create_canvas_widget(properties={"height": fm.height + 4, "width": fm.width + 4})
widget.canvas_item.add_canvas_item(canvas_item)
if handler:
Declarative.connect_name(widget, d, handler)
Declarative.connect_attributes(widget, d, handler, finishes)
Declarative.connect_event(widget, canvas_item, d, handler, "on_clicked", [])
return widget
return None
def __init__(self, ui: UserInterface.UserInterface,
item_explorer_controller: ItemExplorerController):
content_widget = ui.create_column_widget()
super().__init__(content_widget)
self.item_explorer_controller = item_explorer_controller
data_list_widget = ui.create_canvas_widget()
data_list_widget.canvas_item.add_canvas_item(
item_explorer_controller.canvas_item)
content_widget.add(data_list_widget)
def data_list_drag_started(
mime_data: UserInterface.MimeData,
thumbnail_data: typing.Optional[_NDArray]) -> None:
self.drag(mime_data, thumbnail_data)
item_explorer_controller.on_drag_started = data_list_drag_started
def __init__(self,
ui: UserInterface.UserInterface,
color: typing.Optional[str] = None):
column_widget = ui.create_column_widget()
super().__init__(column_widget)
self.on_color_changed: typing.Optional[typing.Callable[
[typing.Optional[str]], None]] = None
color_button_canvas_item = ColorButtonCanvasItem(color)
color_button_canvas_item.update_sizing(
color_button_canvas_item.sizing.with_fixed_size(
Geometry.IntSize(height=30, width=44)))
def button_clicked() -> None:
start_color = self.color or "rgba(255, 255, 255, 0.0)"
color = ui.get_color_dialog(_("Select Color"), start_color, True)
if color != start_color:
self.color = color
if callable(self.on_color_changed):
self.on_color_changed(self.color)
color_button_canvas_item.on_button_clicked = button_clicked
color_button_canvas_widget = ui.create_canvas_widget(properties={
"height": 30,
"width": 44
})
color_button_canvas_widget.canvas_item.add_canvas_item(
color_button_canvas_item)
# ugh. this is a partially working stop-gap when a canvas item is in a widget it will not get mouse exited reliably
root_container = color_button_canvas_item.root_container
if root_container:
color_button_canvas_widget.on_mouse_exited = root_container.canvas_widget.on_mouse_exited
self.__color_button_canvas_item = color_button_canvas_item
column_widget.add(color_button_canvas_widget)
self.__color_binding: typing.Optional[Binding.Binding] = None
def start_mouse_tracker(ui: UserInterface.UserInterface,
event_loop: asyncio.AbstractEventLoop,
canvas_item: CanvasItem.AbstractCanvasItem,
mouse_position_changed_by_fn: typing.Callable[
[Geometry.IntPoint],
None], global_pos: Geometry.IntPoint,
size: Geometry.IntSize) -> None:
tracking_canvas_item = TrackingCanvasItem()
tracking_canvas_item.on_mouse_position_changed_by = mouse_position_changed_by_fn
tracking_canvas_item.add_canvas_item(canvas_item)
async def handle_close_later(
document_window: UserInterface.Window) -> None:
document_window.request_close()
def handle_close(document_window: UserInterface.Window) -> None:
tracking_canvas_item.release_mouse()
event_loop.create_task(handle_close_later(document_window))
def activation_changed(document_window: UserInterface.Window,
activated: bool) -> None:
if not activated:
handle_close(document_window)
# create the popup window
document_window = ui.create_document_window()
document_window.window_style = "mousegrab"
def close_window(geometry: str, state: str) -> None:
ui.destroy_document_window(document_window)
document_window.on_about_to_close = close_window
document_window.on_activation_changed = functools.partial(
activation_changed, document_window)
tracking_canvas_item.on_close = functools.partial(handle_close,
document_window)
# configure canvas widget, attach to document window
mousegrab_window_pos = global_pos - Geometry.IntPoint(x=size.width,
y=size.height // 2)
document_window.show(size=size, position=mousegrab_window_pos)
if sys.platform == "win32":
relative_pos = Geometry.IntPoint()
else:
relative_pos = mousegrab_window_pos
document_window.fill_screen()
canvas_widget = ui.create_canvas_widget()
tracking_canvas_item.update_sizing(
tracking_canvas_item.sizing.with_fixed_size(size))
content_row_canvas_item = CanvasItem.CanvasItemComposition()
content_row_canvas_item.layout = CanvasItem.CanvasItemRowLayout()
content_row_canvas_item.add_spacing(relative_pos.x)
content_row_canvas_item.add_canvas_item(tracking_canvas_item)
content_row_canvas_item.add_stretch()
content_canvas_item = CanvasItem.CanvasItemComposition()
content_canvas_item.layout = CanvasItem.CanvasItemColumnLayout()
content_canvas_item.add_spacing(relative_pos.y)
content_canvas_item.add_canvas_item(content_row_canvas_item)
content_canvas_item.add_stretch()
canvas_widget.canvas_item.add_canvas_item(content_canvas_item)
document_window.attach(canvas_widget)
tracking_canvas_item.request_focus()
tracking_canvas_item.cursor_shape = "blank"
canvas_widget.set_cursor_shape("blank")
tracking_canvas_item.grab_mouse(relative_pos.x + size.width // 2,
relative_pos.y + size.height // 2)
def __init__(self,
ui: UserInterface.UserInterface,
list_item_delegate: ListCanvasItem.ListCanvasItemDelegate,
*,
items: typing.Optional[typing.Sequence[typing.Any]] = None,
selection_style: typing.Optional[Selection.Style] = None,
properties: typing.Optional[typing.Mapping[
str, typing.Any]] = None,
selection: typing.Optional[Selection.IndexedSelection] = None,
border_color: typing.Optional[str] = None,
v_scroll_enabled: bool = True,
v_auto_resize: bool = False) -> None:
column_widget = ui.create_column_widget()
super().__init__(column_widget)
self.property_changed_event = Event.Event()
items = items or list()
self.__items: typing.List[typing.Any] = list()
self.on_selection_changed: typing.Optional[typing.Callable[
[typing.AbstractSet[int]], None]] = None
self.on_item_selected: typing.Optional[typing.Callable[[int],
bool]] = None
self.on_cancel: typing.Optional[typing.Callable[[], None]] = None
self.on_item_handle_context_menu: typing.Optional[typing.Callable[
..., bool]] = None # used for declarative
self.__items_binding: typing.Optional[Binding.Binding] = None
self.__current_index_binding: typing.Optional[Binding.Binding] = None
self.__on_current_index_changed: typing.Optional[typing.Callable[
[int], None]] = None
self.__v_auto_resize = v_auto_resize
self.on_escape_pressed: typing.Optional[typing.Callable[[],
bool]] = None
self.on_return_pressed: typing.Optional[typing.Callable[[],
bool]] = None
self.__selection = selection if selection else Selection.IndexedSelection(
selection_style)
def selection_changed() -> None:
on_selection_changed = self.on_selection_changed
if callable(on_selection_changed):
on_selection_changed(self.__selection.indexes)
if callable(self.__on_current_index_changed):
self.__on_current_index_changed(self.current_index)
def handle_delegate_cancel() -> None:
if callable(self.on_cancel):
self.on_cancel()
if callable(self.on_escape_pressed):
self.on_escape_pressed()
def handle_delegate_item_selected(index: int) -> None:
if callable(self.on_item_selected):
self.on_item_selected(index)
if callable(self.on_return_pressed):
self.on_return_pressed()
self.__selection_changed_event_listener = self.__selection.changed_event.listen(
selection_changed)
self.__list_canvas_item_delegate = list_item_delegate
self.__list_canvas_item_delegate.on_cancel = handle_delegate_cancel
self.__list_canvas_item_delegate.on_item_selected = handle_delegate_item_selected
self.__list_canvas_item = ListCanvasItem.ListCanvasItem(
self.__list_canvas_item_delegate, self.__selection, 20)
scroll_area_canvas_item = CanvasItem.ScrollAreaCanvasItem(
self.__list_canvas_item)
scroll_area_canvas_item.auto_resize_contents = True
scroll_group_canvas_item = CanvasItem.CanvasItemComposition()
if border_color is not None:
scroll_group_canvas_item.border_color = border_color
scroll_group_canvas_item.layout = CanvasItem.CanvasItemRowLayout()
scroll_group_canvas_item.add_canvas_item(scroll_area_canvas_item)
if v_scroll_enabled:
scroll_bar_canvas_item = CanvasItem.ScrollBarCanvasItem(
scroll_area_canvas_item)
scroll_group_canvas_item.add_canvas_item(scroll_bar_canvas_item)
canvas_widget = ui.create_canvas_widget(properties=properties)
canvas_widget.canvas_item.add_canvas_item(scroll_group_canvas_item)
column_widget.add(canvas_widget)
self.__canvas_widget = canvas_widget
self.items = list(items)
