def __init__(self, parent_port_instance, parent_node_instance):
super(PortInstanceLabel, self).__init__(parent_node_instance)
self.parent_port_instance = parent_port_instance
self.parent_node_instance = parent_node_instance
self.font = QFont("Source Code Pro", 10, QFont.Bold)
font_metrics = QFontMetricsF(self.font)
self.width = font_metrics.width(
get_longest_line(self.parent_port_instance.label_str))
self.height = font_metrics.height() * (
self.parent_port_instance.label_str.count('\n') + 1)
self.port_local_pos = None
def get_title_rect(self):
title_rect_offset_factor = 0.56
header_rect = self.get_header_rect()
rect = QRectF()
rect.setTop(header_rect.top() + (header_rect.height() / 2) *
(1 - title_rect_offset_factor))
rect.setLeft(header_rect.left() + 10)
rect.setHeight(header_rect.height() * title_rect_offset_factor)
w = header_rect.width() * title_rect_offset_factor
title_width = self.display_name_FM.width(
get_longest_line(self.parent_node.title))
rect.setWidth(w if w > title_width else title_width)
return rect
def __init__(self, parent_port_instance, parent_node_instance):
super(PortInstanceLabel, self).__init__(parent_node_instance)
self.setGraphicsItem(self)
self.parent_port_instance = parent_port_instance
self.parent_node_instance = parent_node_instance
self.font = QFont("Source Code Pro", 10, QFont.Bold)
font_metrics = QFontMetricsF(
self.font) # approximately! the designs can use different fonts
self.width = font_metrics.width(
get_longest_line(self.parent_port_instance.label_str))
self.height = font_metrics.height() * (
self.parent_port_instance.label_str.count('\n') + 1)
self.port_local_pos = None
def __init__(self, parent_port_instance, parent_node_instance):
super(PortInstanceLabel, self).__init__(parent_node_instance)
self.setGraphicsItem(self)
self.parent_port_instance = parent_port_instance
self.parent_node_instance = parent_node_instance
self.font = QFont("Source Code Pro", 10, QFont.Bold)
font_metrics = QFontMetricsF(self.font)
self.width = font_metrics.width(
get_longest_line(self.parent_port_instance.label_str))
self.height = font_metrics.height() * (
self.parent_port_instance.label_str.count('\n') + 1)
# print('self.height:', self.height)
# self.setSizePolicy(QSizePolicy.Minimum, QSizePolicy.Minimum)
self.port_local_pos = None
def __init__(self, parent_node_instance):
super(TitleLabel, self).__init__(parent_node_instance)
self.setGraphicsItem(self)
self.parent_node_instance: NodeInstance = parent_node_instance
self.title_str = self.parent_node_instance.parent_node.title
self.font = QFont('Poppins', 15) if self.parent_node_instance.parent_node.design_style == 'extended' else \
QFont('K2D', 20, QFont.Bold, True)
self.fm = QFontMetricsF(self.font)
self.width = self.fm.width(get_longest_line(self.title_str))
self.height = self.fm.height() * 0.7 * (self.title_str.count('\n') + 1)
self.color = QColor(30, 43, 48)
self.pen_width = 1.5
self.hovering = False # whether the mouse is hovering over the parent NI (!)
def __init__(self, parent_node_instance):
super(TitleLabel, self).__init__(parent_node_instance)
self.setGraphicsItem(self)
self.parent_node_instance = parent_node_instance
self.title_str = self.parent_node_instance.parent_node.title
font = QFont('Poppins', 15) if self.parent_node_instance.parent_node.design_style == 'extended' else \
QFont('K2D', 20, QFont.Bold, True) # should be quite similar to every specific font chosen by the painter
fm = QFontMetricsF(font)
# approximately!
self.width = fm.width(get_longest_line(self.title_str) + '___')
self.height = fm.height() * 0.7 * (self.title_str.count('\n') + 1)
self.color = QColor(30, 43, 48)
self.pen_width = 1.5
self.hovering = False # whether the mouse is hovering over the parent NI (!)
# Design.flow_theme_changed.connect(self.theme_changed)
self.update_design()
def compute_content_positions(self):
"""BAD - This might become unnecessary once I implemented use of QGraphicsLayout"""
for i in self.inputs:
i.compute_size_and_positions()
for o in self.outputs:
o.compute_size_and_positions()
display_name_height = self.display_name_FM.height() * (
self.parent_node.title.count('\n') + 1)
display_name_width = self.display_name_FM.width(
get_longest_line(self.parent_node.title))
display_name_width_extended = self.display_name_FM.width(
'__' + get_longest_line(self.parent_node.title) + '__')
# label_FM = QFontMetricsF(self.port_label_font)
# all sizes and buffers
space_between_io = 10
# the following function creates additional space at the top and the bottom of the NI - the more ports, the more space
left_largest_width = 0
right_largest_width = 0
height_buffer_between_ports = 0 #10 # adds vertical buffer between single ports
horizontal_buffer_to_border = 10 # adds a little bit of space between port and border of the NI
left_ports_edge_height = -height_buffer_between_ports
right_ports_edge_height = -height_buffer_between_ports
for i in self.inputs:
if i.width > left_largest_width:
left_largest_width = i.width
left_ports_edge_height += i.height + height_buffer_between_ports
for o in self.outputs:
if o.width > right_largest_width:
right_largest_width = o.width
right_ports_edge_height += o.height + height_buffer_between_ports
ports_edge_height = left_ports_edge_height if left_ports_edge_height > right_ports_edge_height else right_ports_edge_height
ports_edge_width = left_largest_width + space_between_io + right_largest_width + 2 * horizontal_buffer_to_border
body_height = 0
body_width = 0
body_top = 0
body_left = 0
body_right = 0
if self.parent_node.design_style == 'minimalistic':
height_buffer = 10
body_height = ports_edge_height if ports_edge_height > display_name_height else display_name_height
self.height = body_height + height_buffer
self.width = display_name_width_extended if display_name_width_extended > ports_edge_width else ports_edge_width
if self.main_widget:
if self.parent_node.main_widget_pos == 'under ports':
self.width = self.width if self.width > self.main_widget.width(
) + 2 * horizontal_buffer_to_border else self.main_widget.width(
) + 2 * horizontal_buffer_to_border
self.height += self.main_widget.height(
) + height_buffer_between_ports
elif self.parent_node.main_widget_pos == 'between ports':
#self.width += self.main_widget.width()
self.width = display_name_width_extended if \
display_name_width_extended > ports_edge_width+self.main_widget.width() else \
ports_edge_width+self.main_widget.width()
self.height = self.height if self.height > self.main_widget.height(
) + height_buffer else self.main_widget.height(
) + height_buffer
body_top = -self.height / 2 + height_buffer / 2
body_left = -self.width / 2 + horizontal_buffer_to_border
body_right = self.width / 2 - horizontal_buffer_to_border
elif self.parent_node.design_style == 'extended':
header_height = self.get_header_rect().height(
) #50 * (self.parent_node.title.count('\n')+1)
vertical_body_buffer = 16 # half above, half below
body_height = ports_edge_height
self.height = header_height + body_height + vertical_body_buffer
self.width = display_name_width_extended if display_name_width_extended > ports_edge_width else ports_edge_width
if self.main_widget:
if self.parent_node.main_widget_pos == 'under ports':
self.width = self.width if self.width > self.main_widget.width(
) + 2 * horizontal_buffer_to_border else self.main_widget.width(
) + 2 * horizontal_buffer_to_border
self.height += self.main_widget.height(
) + height_buffer_between_ports
elif self.parent_node.main_widget_pos == 'between ports':
self.width = display_name_width_extended if \
display_name_width_extended > ports_edge_width+self.main_widget.width() else \
ports_edge_width+self.main_widget.width()
self.height = self.height if self.height > self.main_widget.height() + header_height + vertical_body_buffer else \
self.main_widget.height() + header_height + vertical_body_buffer
body_top = -self.height / 2 + header_height + vertical_body_buffer / 2
body_left = -self.width / 2 + horizontal_buffer_to_border
body_right = self.width / 2 - horizontal_buffer_to_border
# here, the width and height are final
self.set_content_positions(
body_height=body_height,
body_top=body_top,
body_left=body_left,
body_right=body_right,
left_ports_edge_height=left_ports_edge_height,
right_ports_edge_height=right_ports_edge_height,
height_buffer_between_ports=height_buffer_between_ports,
left_largest_width=left_largest_width,
right_largest_width=right_largest_width,
space_between_io=space_between_io)