def paint_cell(self, drawing_context: DrawingContext.DrawingContext,
rect: Geometry.IntRect, style: typing.Set[str]) -> None:
# disabled (default is enabled)
# checked, partial (default is unchecked)
# hover, active (default is none)
drawing_context.text_baseline = "middle"
drawing_context.text_align = "center"
drawing_context.fill_style = "#000"
drawing_context.fill_text(self.__text, rect.center.x, rect.center.y)
overlay_color = None
if "disabled" in style:
overlay_color = "rgba(255, 255, 255, 0.5)"
else:
if "active" in style:
overlay_color = "rgba(128, 128, 128, 0.5)"
elif "hover" in style:
overlay_color = "rgba(128, 128, 128, 0.1)"
drawing_context.fill_style = "#444"
drawing_context.fill()
drawing_context.stroke_style = "#444"
drawing_context.stroke()
if overlay_color:
rect_args = rect[0][1], rect[0][0], rect[1][1], rect[1][0]
drawing_context.begin_path()
drawing_context.rect(*rect_args)
drawing_context.fill_style = overlay_color
drawing_context.fill()
def _repaint_visible(self, drawing_context: DrawingContext.DrawingContext, visible_rect: Geometry.IntRect) -> None:
canvas_bounds = self.canvas_bounds
if self.__delegate and canvas_bounds:
item_width = canvas_bounds.width
item_height = self.__item_height
with drawing_context.saver():
items = self.__delegate.items
max_index = len(items)
top_visible_row = visible_rect.top // item_height
bottom_visible_row = visible_rect.bottom // item_height
for index in range(top_visible_row, bottom_visible_row + 1):
if 0 <= index < max_index:
rect = Geometry.IntRect(origin=Geometry.IntPoint(y=index * item_height, x=0),
size=Geometry.IntSize(width=item_width, height=item_height))
if rect.intersects_rect(visible_rect):
is_selected = self.__selection.contains(index)
if is_selected:
with drawing_context.saver():
drawing_context.begin_path()
drawing_context.rect(rect.left, rect.top, rect.width, rect.height)
drawing_context.fill_style = "#3875D6" if self.focused else "#DDD"
drawing_context.fill()
self.__delegate.paint_item(drawing_context, items[index], rect, is_selected)
if index == self.__drop_index:
with drawing_context.saver():
drop_border_width = 2.5
rect_in = rect.to_float_rect().inset(drop_border_width / 2, drop_border_width / 2).to_int_rect()
drawing_context.begin_path()
drawing_context.rect(rect_in.left, rect_in.top, rect_in.width, rect_in.height)
drawing_context.line_width = drop_border_width
drawing_context.stroke_style = "rgba(56, 117, 214, 0.8)"
drawing_context.stroke()
def _repaint(self, drawing_context: DrawingContext.DrawingContext) -> None:
"""Repaint the canvas item. This will occur on a thread."""
canvas_size = self.canvas_size
if canvas_size:
# draw background
if self.background_color:
with drawing_context.saver():
drawing_context.begin_path()
drawing_context.move_to(0, 0)
drawing_context.line_to(canvas_size.width, 0)
drawing_context.line_to(canvas_size.width, canvas_size.height)
drawing_context.line_to(0, canvas_size.height)
drawing_context.close_path()
drawing_context.fill_style = self.background_color
drawing_context.fill()
# draw the data, if any
if (self.data is not None and len(self.data) > 0):
# draw the histogram itself
with drawing_context.saver():
drawing_context.begin_path()
binned_data = Image.rebin_1d(self.data, int(canvas_size.width), self.__retained_rebin_1d) if int(canvas_size.width) != self.data.shape[0] else self.data
for i in range(canvas_size.width):
drawing_context.move_to(i, canvas_size.height)
drawing_context.line_to(i, canvas_size.height * (1 - binned_data[i]))
drawing_context.line_width = 1
drawing_context.stroke_style = "#444"
drawing_context.stroke()
def _repaint_visible(self, drawing_context: DrawingContext.DrawingContext, visible_rect: Geometry.IntRect) -> None:
canvas_size = self.canvas_size
if self.__delegate and canvas_size and canvas_size.height > 0 and canvas_size.width > 0:
item_size = self.__calculate_item_size(canvas_size)
items = self.__delegate.items if self.__delegate else list()
item_count = len(items)
items_per_row = max(1, int(canvas_size.width / item_size.width) if self.wrap else item_count)
items_per_column = max(1, int(canvas_size.height / item_size.height) if self.wrap else item_count)
with drawing_context.saver():
top_visible_row = visible_rect.top // item_size.height
bottom_visible_row = visible_rect.bottom // item_size.height
left_visible_column = visible_rect.left // item_size.width
right_visible_column = visible_rect.right // item_size.width
for row in range(top_visible_row, bottom_visible_row + 1):
for column in range(left_visible_column, right_visible_column + 1):
if self.direction == Direction.Row:
index = row * items_per_row + column
else:
index = row + column * items_per_column
if 0 <= index < item_count:
rect = Geometry.IntRect(origin=Geometry.IntPoint(y=row * item_size.height, x=column * item_size.width),
size=Geometry.IntSize(width=item_size.width, height=item_size.height))
if rect.intersects_rect(visible_rect):
is_selected = self.__selection.contains(index)
if is_selected:
with drawing_context.saver():
drawing_context.begin_path()
drawing_context.rect(rect.left, rect.top, rect.width, rect.height)
drawing_context.fill_style = "#3875D6" if self.focused else "#BBB"
drawing_context.fill()
self.__delegate.paint_item(drawing_context, items[index], rect, is_selected)
def _repaint(self, drawing_context: DrawingContext.DrawingContext) -> None:
super()._repaint(drawing_context)
if self.active:
with drawing_context.saver():
drawing_context.begin_path()
drawing_context.round_rect(2, 2, 6, 6, 3)
drawing_context.fill_style = "rgba(0, 255, 0, 0.80)"
drawing_context.fill()
def paint_cell(self, drawing_context: DrawingContext.DrawingContext,
rect: Geometry.IntRect, style: typing.Set[str]) -> None:
# style: "disabled" (default is enabled)
margin_rect = rect.inset(4, 4)
drawing_context.begin_path()
drawing_context.rect(margin_rect.left, margin_rect.top,
margin_rect.width, margin_rect.height)
drawing_context.fill_style = "#BBB"
drawing_context.fill()
inset_rect = margin_rect.inset(4, 4)
drawing_context.begin_path()
drawing_context.rect(inset_rect.left, inset_rect.top, inset_rect.width,
inset_rect.height)
drawing_context.close_path()
drawing_context.fill_style = self.__color
drawing_context.fill()
drawing_context.begin_path()
drawing_context.move_to(inset_rect.right, inset_rect.top)
drawing_context.line_to(inset_rect.right, inset_rect.bottom)
drawing_context.line_to(inset_rect.left, inset_rect.bottom)
drawing_context.close_path()
drawing_context.fill_style = DrawingContext.color_without_alpha(
self.__color)
drawing_context.fill()
drawing_context.begin_path()
drawing_context.rect(inset_rect.left, inset_rect.top, inset_rect.width,
inset_rect.height)
drawing_context.stroke_style = "#454545"
drawing_context.stroke()
if "disabled" in style:
drawing_context.begin_path()
drawing_context.rect(margin_rect.left, margin_rect.top,
margin_rect.width, margin_rect.height)
drawing_context.fill_style = "rgba(255, 255, 255, 0.5)"
drawing_context.fill()
def _repaint(self, drawing_context: DrawingContext.DrawingContext) -> None:
canvas_size = self.canvas_size
if not canvas_size:
return
with drawing_context.saver():
center_x = int(canvas_size.width * 0.5)
center_y = int(canvas_size.height * 0.5)
drawing_context.begin_path()
text_base = 4 if sys.platform == "win32" else 6
drawing_context.begin_path()
drawing_context.rect(0, 0, canvas_size.width, canvas_size.height)
if self.enabled:
if self.__mouse_inside:
if self.__mouse_pressed:
if self.fill_style_pressed:
drawing_context.fill_style = self.fill_style_pressed
drawing_context.fill()
if self.border_style_pressed:
drawing_context.stroke_style = self.border_style_pressed
drawing_context.stroke()
else:
if self.fill_style_hover:
drawing_context.fill_style = self.fill_style_hover
drawing_context.fill()
if self.border_style_hover:
drawing_context.stroke_style = self.border_style_hover
drawing_context.stroke()
drawing_context.begin_path()
drawing_context.text_align = "center"
drawing_context.text_baseline = "bottom"
drawing_context.fill_style = self.stroke_style
drawing_context.fill_text(self.__char, center_x, center_y + text_base)
def _repaint(self, drawing_context: DrawingContext.DrawingContext) -> None:
super()._repaint(drawing_context)
# canvas size
canvas_size = self.canvas_size
if canvas_size:
focused_style = "#3876D6" # TODO: platform dependent
if self.active:
with drawing_context.saver():
drawing_context.begin_path()
drawing_context.round_rect(2, 2, 6, 6, 3)
drawing_context.fill_style = "rgba(0, 255, 0, 0.80)"
drawing_context.fill()
if self.__dropping:
with drawing_context.saver():
drawing_context.begin_path()
drawing_context.rect(0, 0, canvas_size.width,
canvas_size.height)
drawing_context.fill_style = "rgba(255, 0, 0, 0.10)"
drawing_context.fill()
if self.focused:
stroke_style = focused_style
drawing_context.begin_path()
drawing_context.rect(2, 2, canvas_size.width - 4,
canvas_size.height - 4)
drawing_context.line_join = "miter"
drawing_context.stroke_style = stroke_style
drawing_context.line_width = 4.0
drawing_context.stroke()
def _repaint(self, drawing_context: DrawingContext.DrawingContext) -> None:
super()._repaint(drawing_context)
with self.__drawing_context_lock:
drawing_context.add(self.__drawing_context)
if self.__display_frame_rate_id:
Utility.fps_tick("display_" + self.__display_frame_rate_id)
if self.__display_frame_rate_id:
fps = Utility.fps_get("display_" + self.__display_frame_rate_id)
fps2 = Utility.fps_get("frame_" + self.__display_frame_rate_id)
fps3 = Utility.fps_get("update_" + self.__display_frame_rate_id)
canvas_bounds = self.canvas_bounds
if canvas_bounds:
with drawing_context.saver():
font = "normal 11px serif"
text_pos = canvas_bounds.top_right + Geometry.IntPoint(
y=0, x=-100)
drawing_context.begin_path()
drawing_context.move_to(text_pos.x, text_pos.y)
drawing_context.line_to(text_pos.x + 120, text_pos.y)
drawing_context.line_to(text_pos.x + 120, text_pos.y + 60)
drawing_context.line_to(text_pos.x, text_pos.y + 60)
drawing_context.close_path()
drawing_context.fill_style = "rgba(255, 255, 255, 0.6)"
drawing_context.fill()
drawing_context.font = font
drawing_context.text_baseline = "middle"
drawing_context.text_align = "left"
drawing_context.fill_style = "#000"
drawing_context.fill_text("display:" + fps, text_pos.x + 8,
text_pos.y + 10)
drawing_context.fill_text("frame:" + fps2, text_pos.x + 8,
text_pos.y + 30)
drawing_context.fill_text("update:" + fps3, text_pos.x + 8,
text_pos.y + 50)
def _repaint(self, drawing_context: DrawingContext.DrawingContext) -> None:
"""Repaint the canvas item. This will occur on a thread."""
# canvas size
canvas_size = self.canvas_size
if canvas_size:
left = self.display_limits[0]
right = self.display_limits[1]
# draw left display limit
if left > 0.0:
with drawing_context.saver():
drawing_context.begin_path()
drawing_context.move_to(left * canvas_size.width, 1)
drawing_context.line_to(left * canvas_size.width, canvas_size.height - 1)
drawing_context.line_width = 2
drawing_context.stroke_style = "#000"
drawing_context.stroke()
# draw right display limit
if right < 1.0:
with drawing_context.saver():
drawing_context.begin_path()
drawing_context.move_to(right * canvas_size.width, 1)
drawing_context.line_to(right * canvas_size.width, canvas_size.height - 1)
drawing_context.line_width = 2
drawing_context.stroke_style = "#FFF"
drawing_context.stroke()
# draw border
with drawing_context.saver():
drawing_context.begin_path()
drawing_context.move_to(0, canvas_size.height)
drawing_context.line_to(canvas_size.width, canvas_size.height)
drawing_context.line_width = 1
drawing_context.stroke_style = "#444"
drawing_context.stroke()
def _repaint(self, drawing_context: DrawingContext.DrawingContext) -> None:
canvas_size = self.canvas_size
if canvas_size:
with drawing_context.saver():
drawing_context.begin_path()
drawing_context.move_to(0, 1)
drawing_context.line_to(0, canvas_size.height)
drawing_context.line_to(canvas_size.width, canvas_size.height)
drawing_context.line_to(canvas_size.width, 1)
drawing_context.close_path()
gradient = drawing_context.create_linear_gradient(
canvas_size.width, canvas_size.height, 0, 0, 0,
canvas_size.height)
gradient.add_color_stop(0, self.__start_header_color)
gradient.add_color_stop(1, self.__end_header_color)
drawing_context.fill_style = gradient
drawing_context.fill()
with drawing_context.saver():
drawing_context.begin_path()
# line is adjust 1/2 pixel down to align to pixel boundary
drawing_context.move_to(0, 0.5 + self.__top_offset)
drawing_context.line_to(canvas_size.width,
0.5 + self.__top_offset)
drawing_context.stroke_style = self.__top_stroke_style
drawing_context.stroke()
with drawing_context.saver():
drawing_context.begin_path()
# line is adjust 1/2 pixel down to align to pixel boundary
drawing_context.move_to(0, canvas_size.height - 0.5)
drawing_context.line_to(canvas_size.width,
canvas_size.height - 0.5)
drawing_context.stroke_style = self.__bottom_stroke_style
drawing_context.stroke()
if self.__side_stroke_style:
with drawing_context.saver():
drawing_context.begin_path()
# line is adjust 1/2 pixel down to align to pixel boundary
drawing_context.move_to(0.5, 1.5)
drawing_context.line_to(0.5, canvas_size.height - 0.5)
drawing_context.move_to(canvas_size.width - 0.5, 1.5)
drawing_context.line_to(canvas_size.width - 0.5,
canvas_size.height - 0.5)
drawing_context.stroke_style = self.__side_stroke_style
drawing_context.stroke()
if self.__display_close_control:
with drawing_context.saver():
drawing_context.begin_path()
close_box_left = canvas_size.width - (20 - 7)
close_box_right = canvas_size.width - (20 - 13)
close_box_top = canvas_size.height // 2 - 3
close_box_bottom = canvas_size.height // 2 + 3
drawing_context.move_to(close_box_left, close_box_top)
drawing_context.line_to(close_box_right, close_box_bottom)
drawing_context.move_to(close_box_left, close_box_bottom)
drawing_context.line_to(close_box_right, close_box_top)
drawing_context.line_width = 1.5
drawing_context.line_cap = "round"
drawing_context.stroke_style = self.__control_style
drawing_context.stroke()
with drawing_context.saver():
drawing_context.font = self.__font
drawing_context.text_align = 'left'
drawing_context.text_baseline = 'bottom'
drawing_context.fill_style = '#888'
drawing_context.fill_text(
self.label, 8, canvas_size.height - self.__text_offset)
with drawing_context.saver():
drawing_context.font = self.__font
drawing_context.text_align = 'center'
drawing_context.text_baseline = 'bottom'
drawing_context.fill_style = '#000'
drawing_context.fill_text(
self.title, canvas_size.width // 2,
canvas_size.height - self.__text_offset)