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_variable_cell(
id: str,
value: T,
formatter: VariableFormatter,
cell_size: Tuple[int, int],
is_selected: bool,
frame: Optional[int] = None,
highlight_range: Optional[Tuple[range, ig.Color4f]] = None,
) -> Tuple[Maybe[T], bool, bool, bool]:
ig.push_id(id)
window_pos = ig.get_window_position()
item_spacing = ig.get_style().item_spacing
cell_cursor_pos = ig.get_cursor_pos()
cell_cursor_pos = (
cell_cursor_pos.x + window_pos.x - item_spacing.x,
cell_cursor_pos.y + window_pos.y - ig.get_scroll_y() - item_spacing.y,
)
if highlight_range is not None:
assert frame is not None
frames, color = highlight_range
margin = 5
offset_top = margin if frame == frames.start else 0
offset_bottom = margin if frame == frames.stop - 1 else 0
dl = ig.get_window_draw_list()
dl.add_rect_filled(
cell_cursor_pos[0] + margin,
cell_cursor_pos[1] + offset_top,
cell_cursor_pos[0] + cell_size[0] - margin,
cell_cursor_pos[1] + cell_size[1] - offset_bottom,
ig.get_color_u32_rgba(*color),
)
changed_data, selected, pressed = render_variable_value(
'value',
value,
formatter,
(
cell_size[0] - 2 * item_spacing.x,
cell_size[1] - 2 * item_spacing.y,
),
highlight=is_selected,
)
clear_edit = ig.is_item_hovered() and ig.is_mouse_down(2)
ig.pop_id()
return changed_data, clear_edit, selected, pressed
def render(self) -> None:
self.render_headers()
# TODO: Make the vertical scrollbar always visible?
ig.begin_child('Frame Sheet Rows',
flags=ig.WINDOW_ALWAYS_VERTICAL_SCROLLBAR)
self.update_scolling()
min_frame = int(ig.get_scroll_y()) // self.row_height - 1
self.sequence.set_hotspot('frame-sheet-min', max(min_frame, 0))
if self.dragging and not ig.is_mouse_down():
self.drag_handler.release_drag()
self.dragging = False
self.render_rows()
ig.end_child()
self.columns = list(self.next_columns)
def render_frame_slider(
id: str,
current_frame: int,
num_frames: int,
loaded_frames: List[int] = [],
) -> Maybe[int]:
ig.push_id(id)
pos = ig.get_cursor_pos()
pos = (
pos[0] + ig.get_window_position()[0],
pos[1] + ig.get_window_position()[1] - ig.get_scroll_y(),
)
width = ig.get_content_region_available_width()
ig.push_item_width(width)
changed, new_frame = ig.slider_int(
'##slider',
current_frame,
0,
num_frames - 1,
)
ig.pop_item_width()
dl = ig.get_window_draw_list()
for frame in loaded_frames:
line_pos = pos[0] + frame / num_frames * width
dl.add_line(
line_pos,
pos[1] + 13,
line_pos,
pos[1] + 18,
ig.get_color_u32_rgba(1, 0, 0, 1),
)
ig.pop_id()
if changed:
return Just(new_frame)
else:
return None
def render_input_text_with_error(
id: str,
value: str,
buffer_size: int,
width: int,
validate: Callable[[str], T],
) -> Maybe[T]:
ig.push_id(id)
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(width)
changed, new_value = ig.input_text('##input', value, buffer_size)
ig.pop_item_width()
result_value = None
if changed:
try:
result_value = Just(validate(new_value))
except:
# TODO: Show error message
dl = ig.get_window_draw_list()
dl.add_rect(
cursor_pos[0],
cursor_pos[1],
cursor_pos[0] + width,
cursor_pos[1] + ig.get_text_line_height() +
2 * ig.get_style().frame_padding[1],
ig.get_color_u32_rgba(1, 0, 0, 1),
)
new_value = value
ig.pop_id()
return result_value
def update_scolling(self) -> None:
self.scroll_delta = 0.0
if self.sequence.selected_frame == self.prev_selected_frame:
return
self.prev_selected_frame = self.sequence.selected_frame
target_y = self.sequence.selected_frame * self.row_height
curr_scroll_y = ig.get_scroll_y()
current_min_y = curr_scroll_y
current_max_y = curr_scroll_y + ig.get_window_height(
) - self.row_height
if target_y > current_max_y:
new_scroll_y = target_y - ig.get_window_height() + self.row_height
elif target_y < current_min_y:
new_scroll_y = target_y
else:
return
ig.set_scroll_y(new_scroll_y)
# Account for one frame set_scroll_y delay to prevent flickering
self.scroll_delta = new_scroll_y - curr_scroll_y
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_joystick_control(
id: str,
stick_x: float,
stick_y: float,
shape='square',
) -> Optional[Tuple[float, float]]:
ig.push_id(id)
state = use_state('', JoystickControlState()).value
dl = ig.get_window_draw_list()
padding = 10
content_region = ig.get_content_region_available()
size = min(
content_region.x - ig.get_style().scrollbar_size - 2 * padding,
content_region.y - 2 * padding,
200,
)
size = max(size, 100)
initial_cursor_pos = ig.get_cursor_pos()
top_left = (
initial_cursor_pos[0] + ig.get_window_position()[0] -
ig.get_scroll_x() + padding,
initial_cursor_pos[1] + ig.get_window_position()[1] -
ig.get_scroll_y() + padding,
)
background_color = ig.get_color_u32_rgba(0, 0, 0, 0.3)
if shape == 'square':
dl.add_rect_filled(
top_left[0],
top_left[1],
top_left[0] + size,
top_left[1] + size,
background_color,
)
elif shape == 'circle':
dl.add_circle_filled(
top_left[0] + size / 2,
top_left[1] + size / 2,
size / 2,
background_color,
num_segments=32,
)
result = None
if state.active and ig.is_mouse_down():
new_offset = state.get_value(ig.get_mouse_drag_delta(lock_threshold=0))
new_stick_x = new_offset[0] / size * 2 - 1
new_stick_y = (1 - new_offset[1] / size) * 2 - 1
if shape == 'square':
new_stick_x = min(max(new_stick_x, -1), 1)
new_stick_y = min(max(new_stick_y, -1), 1)
elif shape == 'circle':
mag = math.sqrt(new_stick_x**2 + new_stick_y**2)
if mag > 1:
new_stick_x /= mag
new_stick_y /= mag
if (new_stick_x, new_stick_y) != (stick_x, stick_y):
stick_x, stick_y = new_stick_x, new_stick_y
result = (stick_x, stick_y)
offset = (
(stick_x + 1) / 2 * size,
(1 - (stick_y + 1) / 2) * size,
)
dl.add_line(
top_left[0] + size / 2,
top_left[1] + size / 2,
top_left[0] + offset[0],
top_left[1] + offset[1],
ig.get_color_u32_rgba(1, 1, 1, 0.5),
)
button_size = 20
button_pos = (
padding + initial_cursor_pos[0] + offset[0] - button_size / 2,
padding + initial_cursor_pos[1] + offset[1] - button_size / 2,
)
ig.set_cursor_pos(button_pos)
ig.button('##joystick-button', button_size, button_size)
ig.set_cursor_pos((
initial_cursor_pos[0],
initial_cursor_pos[1] + size + 2 * padding,
))
if ig.is_item_active():
state.set_active(offset)
else:
state.reset()
ig.pop_id()
return result
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()
