import logging
from PyQt5 import QtCore
from PyQt5 import QtGui
from PyQt5 import QtWidgets
import mc.mc_global
import mc.gui.breathing_dlg
BAR_WIDTH_FT = 24.0
LARGE_MARGIN_FT = 10.0
SMALL_MARGIN_FT = 2.0
POINT_SIZE_INT = 16
GRADIENT_IN_FT = 120.0
GRADIENT_OUT_FT = 150.0
class BreathingHistoryWt(QtWidgets.QWidget):
def __init__(self):
super().__init__()
self.show()
self.setMinimumHeight(300)
self.ib_qtimer = None
self.ob_qtimer = None
self.updating_gui_bool = False
self.new_cycle_bool = True
self.in_breath_graphics_qgri_list = []
self.out_breath_graphics_qgri_list = []
vbox_l2 = QtWidgets.QVBoxLayout()
self.setLayout(vbox_l2)
# vbox_l2.addWidget(QtWidgets.QLabel("Breathing History"))
self.breathing_graphicsview = QtWidgets.QGraphicsView() # QGraphicsScene
vbox_l2.addWidget(self.breathing_graphicsview)
self.breathing_graphicsscene = QtWidgets.QGraphicsScene()
self.breathing_graphicsview.setScene(self.breathing_graphicsscene)
# self.breathing_graphicsview.centerOn(QtCore.Qt.AlignRight)
# alignment can be set with "setAlignment"
self.breathing_graphicsview.setDragMode(QtWidgets.QGraphicsView.ScrollHandDrag)
def add_from_dialog(self, i_ilist, i_olist):
self.new_cycle_bool = True
for in_length_ft, out_length_ft in zip(i_ilist, i_olist):
# -using ob here ensures that we only add when there are complete breathing cycles
self.add_new_breathing_rect(
mc.mc_global.BreathingState.breathing_in,
10 * in_length_ft,
)
self.add_new_breathing_rect(
mc.mc_global.BreathingState.breathing_out,
10 * out_length_ft,
)
logging.debug("in and out length = " + str(in_length_ft) + ", " + str(out_length_ft))
self.new_cycle_bool = True
def add_new_breathing_rect(self, i_io: mc.mc_global.BreathingState, i_length: int=1):
if i_io == mc.mc_global.BreathingState.breathing_out:
self.new_cycle_bool = False
# Rectangle
xpos_ft = 0.0
if len(self.in_breath_graphics_qgri_list) > 0:
margin_int = SMALL_MARGIN_FT
if self.new_cycle_bool:
margin_int = LARGE_MARGIN_FT
last_graphics_rect_item = self.in_breath_graphics_qgri_list[-1]
xpos_ft = float(last_graphics_rect_item.rect().right() + margin_int)
if i_io == mc.mc_global.BreathingState.breathing_out:
xpos_ft = float(last_graphics_rect_item.rect().left())
ypos_ft = -i_length
if i_io == mc.mc_global.BreathingState.breathing_out:
ypos_ft = 0.0
t_drawrect = QtCore.QRectF(xpos_ft, ypos_ft, BAR_WIDTH_FT, i_length)
# Gradient
x_gradient = t_drawrect.x() - GRADIENT_IN_FT
if i_io == mc.mc_global.BreathingState.breathing_out:
x_gradient = t_drawrect.x() + GRADIENT_OUT_FT
t_start_qpointf = QtCore.QPointF(x_gradient, t_drawrect.y())
t_stop_qpointf = t_drawrect.bottomRight()
t_linear_gradient = QtGui.QLinearGradient(t_start_qpointf, t_stop_qpointf)
if i_io == mc.mc_global.BreathingState.breathing_in:
t_linear_gradient.setColorAt(0.0, QtGui.QColor(0, 153, 0))
t_linear_gradient.setColorAt(1.0, QtGui.QColor(0, 204, 0))
else:
t_linear_gradient.setColorAt(0.0, QtGui.QColor(51, 255, 51))
t_linear_gradient.setColorAt(1.0, QtGui.QColor(102, 255, 102))
# Adding rectangle with gradient
t_graphics_rect_item = self.breathing_graphicsscene.addRect(
t_drawrect,
pen=QtGui.QPen(QtCore.Qt.NoPen),
brush=QtGui.QBrush(t_linear_gradient)
)
if i_io == mc.mc_global.BreathingState.breathing_in:
self.in_breath_graphics_qgri_list.append(t_graphics_rect_item)
elif i_io == mc.mc_global.BreathingState.breathing_out:
self.out_breath_graphics_qgri_list.append(t_graphics_rect_item)
# -an alternative to storing this separately might be to use ".items" and check for type
# as there is a QGraphicsRectItem
# -another alternative: **http://doc.qt.io/qt-5/qgraphicsitem.html#type**
