def render_headers(self) -> None:
header_labels = [
self.displayer.column_header(column.variable)
for column in self.columns
]
header_lines = max((len(label.split('\n')) for label in header_labels),
default=1)
ig.columns(len(self.columns) + 1)
if len(self.columns) > 0:
ig.set_column_width(-1, self.frame_column_width)
ig.text('')
ig.next_column()
for index, column in enumerate(self.columns):
initial_cursor_pos = ig.get_cursor_pos()
ig.selectable(
'##fs-col-' + str(id(self)) + '-' + str(id(column)),
height=header_lines * ig.get_text_line_height(),
)
# TODO: Width adjusting
ig.set_column_width(-1, column.width)
if ig.begin_drag_drop_source():
ig.text(header_labels[index])
ig.set_drag_drop_payload('fs-col', str(index).encode('utf-8'))
ig.end_drag_drop_source()
if ig.begin_drag_drop_target():
payload = ig.accept_drag_drop_payload('fs-col')
if payload is not None:
source = int(payload.decode('utf-8'))
self._move_column(source, index)
payload = ig.accept_drag_drop_payload('ve-var')
if payload is not None:
self._insert_variable(index, Variable.from_bytes(payload))
ig.end_drag_drop_target()
if ig.is_item_hovered() and ig.is_mouse_clicked(2):
self._remove_column(index)
if ig.begin_popup_context_item('##fs-colctx-' + str(id(self)) +
'-' + str(id(column))):
if ig.selectable('Close')[0]:
self._remove_column(index)
ig.end_popup_context_item()
ig.set_cursor_pos(initial_cursor_pos)
ig.text(header_labels[index])
ig.next_column()
ig.separator()
ig.columns(1)
def render_labeled_variable(
id: str,
label: str,
variable: Variable,
value: T,
formatter: VariableFormatter,
is_edited: bool,
label_width=80,
value_width=80,
) -> Tuple[Maybe[T], bool]:
ig.push_id(id)
ig.selectable(label + '##label', width=label_width)
if ig.begin_drag_drop_source():
ig.text(label)
ig.set_drag_drop_payload('ve-var', variable.to_bytes())
ig.end_drag_drop_source()
ig.same_line()
cell_width = value_width
cell_height = ig.get_text_line_height(
) + 2 * ig.get_style().frame_padding[1]
cell_cursor_pos = ig.get_cursor_pos()
cell_cursor_pos = (
cell_cursor_pos[0] + ig.get_window_position()[0] - ig.get_scroll_x(),
cell_cursor_pos[1] + ig.get_window_position()[1] - ig.get_scroll_y(),
)
changed_data, _, _ = render_variable_value(
'value',
value,
formatter,
(cell_width, cell_height),
)
clear_edit = is_edited and ig.is_item_hovered() and ig.is_mouse_down(2)
if is_edited:
dl = ig.get_window_draw_list()
spacing = ig.get_style().item_spacing
spacing = (spacing[0] / 2, spacing[1] / 2)
dl.add_rect(
cell_cursor_pos[0] - spacing[0],
cell_cursor_pos[1] - spacing[1],
cell_cursor_pos[0] + cell_width + spacing[0] - 1,
cell_cursor_pos[1] + cell_height + spacing[1] - 1,
ig.get_color_u32_rgba(0.8, 0.6, 0, 1),
)
ig.pop_id()
return changed_data, clear_edit
def render_value(label: str, value: object,
formatter: VariableFormatter) -> Optional[Any]:
label_width = 60
value_size = (
60 if label == 'dyaw' else 80,
ig.get_text_line_height() +
2 * ig.get_style().frame_padding[1],
)
ig.push_item_width(label_width)
ig.selectable(label, width=label_width)
ig.pop_item_width()
ig.same_line()
new_value, _, _ = ui.render_variable_value('value-' + label, value,
formatter, value_size)
return None if new_value is None else new_value.value
def _render_checkbox(
value: T,
formatter: VariableFormatter,
size: Tuple[int, int],
highlight: bool,
) -> Tuple[Maybe[T], bool, bool]:
cursor_pos = ig.get_cursor_pos()
_, input = ig.checkbox('##checkbox', dcast(bool, formatter.output(value)))
ig.set_cursor_pos(cursor_pos)
clicked, _ = ig.selectable(
'##checkbox-background',
highlight,
width=size[0],
height=size[1],
)
pressed = ig.is_item_hovered() and ig.is_mouse_clicked()
input_value = formatter.input(input)
assert type(input_value) == type(value)
if input_value != value:
return Just(cast(T, input_value)), clicked, pressed
else:
return None, clicked, pressed
def _render_text(
value: T,
formatter: VariableFormatter,
size: Tuple[int, int],
highlight: bool,
) -> Tuple[Maybe[T], bool, bool]:
editing = use_state('editing', False)
initial_focus = use_state('initial-focus', False)
if not editing.value:
clicked, _ = ig.selectable(
dcast(str, formatter.output(value)) + '##text',
highlight,
width=size[0],
height=size[1],
flags=ig.SELECTABLE_ALLOW_DOUBLE_CLICK,
)
if clicked:
if ig.is_mouse_double_clicked():
editing.value = True
initial_focus.value = False
pressed = ig.is_item_hovered() and ig.is_mouse_clicked()
return None, clicked, pressed
cursor_pos = ig.get_cursor_pos()
cursor_pos = (
ig.get_window_position()[0] + cursor_pos[0],
ig.get_window_position()[1] + cursor_pos[1] - ig.get_scroll_y(),
)
ig.push_item_width(size[0])
value_text = dcast(str, formatter.output(value))
buffer_size = len(value_text) + ig.get_clipboard_length() + 1000
_, input = ig.input_text('##text-edit', value_text, buffer_size)
ig.pop_item_width()
if not initial_focus.value:
ig.set_keyboard_focus_here(-1)
initial_focus.value = True
elif not ig.is_item_active():
editing.value = False
try:
input_value = formatter.input(input)
assert type(input_value) is type(value)
if input_value != value:
return Just(cast(T, input_value)), False, False
except:
# TODO: Show error message
dl = ig.get_window_draw_list()
dl.add_rect(
cursor_pos[0],
cursor_pos[1],
cursor_pos[0] + size[0],
cursor_pos[1] + ig.get_text_line_height() +
2 * ig.get_style().frame_padding[1],
ig.get_color_u32_rgba(1, 0, 0, 1),
)
return None, False, False
def render_rows(self) -> None:
ig.columns(len(self.columns) + 1)
min_row = int(ig.get_scroll_y() +
self.scroll_delta) // self.row_height - 1
min_row = max(min_row, 0)
max_row = int(ig.get_scroll_y() + self.scroll_delta +
ig.get_window_height()) // self.row_height
# max_row = min(max_row, self.get_row_count() - 1)
self.sequence.extend_to_frame(max_row + 100)
timeline_operations: List[Callable[[], None]] = []
mouse_pos = (
ig.get_mouse_pos().x - ig.get_window_position().x,
ig.get_mouse_pos().y - ig.get_window_position().y +
ig.get_scroll_y() + self.scroll_delta,
)
for row in range(min_row, max_row + 1):
row_pos = (0.0, row * self.row_height - self.scroll_delta)
ig.set_cursor_pos(row_pos)
mouse_in_row = mouse_pos[1] > row_pos[1] and mouse_pos[
1] <= row_pos[1] + self.row_height
if mouse_in_row and self.dragging and time.time(
) - self.time_started_dragging > 0.1:
self.drag_handler.update_drag(row)
if len(self.columns) > 0:
ig.set_column_width(-1, self.frame_column_width)
clicked, _ = ig.selectable(
str(row) + '##fs-framenum-' + str(id(self)) + '-' + str(row),
row == self.sequence.selected_frame,
height=self.row_height - 8, # TODO: Compute padding
)
if clicked:
self.sequence.set_selected_frame(row)
if ig.begin_popup_context_item('##fs-framenumctx-' +
str(id(self)) + '-' + str(row)):
if ig.selectable('Insert above')[0]:
def op(row):
return lambda: self.sequence.insert_frame(row)
timeline_operations.append(op(row))
if ig.selectable('Insert below')[0]:
def op(row):
return lambda: self.sequence.insert_frame(row + 1)
timeline_operations.append(op(row))
if ig.selectable('Delete')[0]:
def op(row):
return lambda: self.sequence.delete_frame(row)
timeline_operations.append(op(row))
ig.end_popup_context_item()
ig.next_column()
for column in self.columns:
self.render_cell(row, column)
ig.set_column_width(-1, column.width)
ig.next_column()
ig.separator()
ig.set_cursor_pos((0, (self.sequence.max_frame + 1) * self.row_height))
ig.columns(1)
for operation in timeline_operations:
operation()
def render_tabs(
id: str,
tabs: List[TabInfo],
open_tab_index: Optional[int] = None,
allow_windowing=False,
) -> Tuple[Optional[int], Optional[int]]:
ig.push_id(id)
root_id = get_local_state_id_stack()
ig.columns(2)
closed_tab = None
rendered = use_state('rendered', False)
if not rendered.value:
rendered.value = True
ig.set_column_width(-1, 120)
if len(tabs) == 0:
ig.pop_id()
return None, closed_tab
selected_tab_index = use_state_with('selected-tab-index',
lambda: open_tab_index or 0)
selected_tab_id = use_state_with('selected-tab',
lambda: tabs[selected_tab_index.value].id)
if open_tab_index is not None:
selected_tab_index.value = open_tab_index
selected_tab_id.value = tabs[open_tab_index].id
windowed_tabs = use_state('windowed-tabs', cast(Set[str], set())).value
# TODO: Change selected tab if windowed
# Handle deletion/insertion
if selected_tab_index.value >= len(tabs):
selected_tab_index.value = len(tabs) - 1
if tabs[selected_tab_index.value].id != selected_tab_id.value:
matching_indices = [
i for i in range(len(tabs)) if tabs[i].id == selected_tab_id.value
]
if len(matching_indices) > 0:
selected_tab_index.value = matching_indices[0]
else:
selected_tab_id.value = tabs[selected_tab_index.value].id
ig.begin_child('tabs')
for i, tab in enumerate(tabs):
if tab.id in windowed_tabs:
continue
_, selected = ig.selectable(
tab.label + '##tab-' + tab.id,
selected_tab_id.value == tab.id,
)
if selected:
selected_tab_index.value = i
selected_tab_id.value = tab.id
if tab.closable and ig.is_item_hovered() and ig.is_mouse_clicked(2):
closed_tab = i
if allow_windowing or tab.closable:
if ig.begin_popup_context_item(f'##ctx-{tab.id}'):
if allow_windowing and ig.selectable('Pop out')[0]:
windowed_tabs.add(tab.id)
if tab.closable and ig.selectable('Close')[0]:
closed_tab = i
ig.end_popup_context_item()
ig.end_child()
ig.next_column()
ig.begin_child('content', flags=ig.WINDOW_HORIZONTAL_SCROLLING_BAR)
tab = tabs[selected_tab_index.value]
if tab.id not in windowed_tabs:
push_local_state_rebase(('rebase-tabs', ) + root_id)
tab.render(tab.id) # type: ignore
pop_local_state_rebase()
ig.end_child()
ig.columns(1)
for tab_id in set(windowed_tabs):
matching = [tab for tab in tabs if tab.id == tab_id]
if len(matching) == 0:
windowed_tabs.remove(tab.id)
continue
tab = matching[0]
ig.set_next_window_size(*ig.get_window_size(), ig.ONCE)
ig.set_next_window_position(*ig.get_window_position(), ig.ONCE)
ig.push_style_color(ig.COLOR_WINDOW_BACKGROUND, 0.06, 0.06, 0.06, 0.94)
_, opened = ig.begin(
tab.label + '##window-' + tab.id,
closable=True,
flags=ig.WINDOW_HORIZONTAL_SCROLLING_BAR,
)
push_local_state_rebase(('rebase-tabs', ) + root_id)
tab.render(tab.id) # type: ignore
pop_local_state_rebase()
ig.end()
ig.pop_style_color()
if not opened:
windowed_tabs.remove(tab.id)
ig.pop_id()
return (
None if open_tab_index == selected_tab_index.value else
selected_tab_index.value,
closed_tab,
)