-
Notifications
You must be signed in to change notification settings - Fork 0
/
23-ypipewidget_practice.py
executable file
·143 lines (112 loc) · 4.54 KB
/
23-ypipewidget_practice.py
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
#!/usr/bin/env python
from __future__ import (division, print_function, unicode_literals)
from future_builtins import *
from PyQt4.QtCore import (QPointF, QSize, Qt, SIGNAL)
from PyQt4.QtGui import (QApplication, QBrush, QColor, QFontMetricsF,
QFrame, QLabel, QLinearGradient, QPainter, QPolygon,
QSizePolicy, QSpinBox, QWidget)
class YPipeWidget(QWidget):
def __init__(self, leftFlow = 0, rightFlow = 0, maxFlow = 100, parent = None):
super(YPipeWidget, self).__init__(parent)
self.leftSpinBox = QSpinBox(self)
self.leftSpinBox.setRange(0, maxFlow)
self.leftSpinBox.setValue(leftFlow)
self.leftSpinBox.setSuffix(" l/s")
self.leftSpinBox.setAlignment(Qt.AlignRight|Qt.AlignVCenter)
self.connect(self.leftSpinBox, SIGNAL("valueChanged(int)"), self.valueChanged)
self.rightSpinBox = QSpinBox(self)
self.rightSpinBox.setRange(0, maxFlow)
self.rightSpinBox.setValue(rightFlow)
self.rightSpinBox.setSuffix(" l/s")
self.rightSpinBox.setAlignment(Qt.AlignRight|Qt.AlignVCenter)
self.connect(self.rightSpinBox, SIGNAL("valueChanged(int)"), self.valueChanged)
self.label = QLabel(self)
self.label.setFrameStyle(QFrame.StyledPanel | QFrame.Sunken)
self.label.setAlignment(Qt.AlignCenter)
fm = QFontMetricsF(self.font())
self.label.setMinimumWidth(fm.width(" 999 l/s "))
self.setSizePolicy(QSizePolicy(QSizePolicy.Expanding, QSizePolicy.Expanding))
self.setMinimumSize(self.minimumSizeHint())
self.valueChanged()
def valueChanged(self):
a = self.leftSpinBox.value()
b = self.rightSpinBox.value()
self.label.setText("{0}".format(a + b))
self.emit(SIGNAL("valueChanged"), a, b)
self.update()
def values(self):
return self.leftSpinBox.value(), self.rightSpinBox.value()
def minimumSizeHint(self):
return QSize(self.leftSpinBox.width() * 3, self.leftSpinBox.height())
def resizeEvent(self, event = None):
fm = QFontMetricsF(self.font())
x = (self.width() - self.label.width()) / 2
y = self.height() - (fm.height() * 1.5)
self.label.move(x, y)
y = self.height() / 60.0
x = (self.width() / 4.0) - self.leftSpinBox.width()
self.leftSpinBox.move(x, y)
x = self.width() - (self.width() / 4.0)
self.rightSpinBox.move(x, y)
def paintEvent(self, event = None):
LogicalSize = 100.0
def logicalFromPhysical(length, side):
return (length / side) * LogicalSize
fm = QFontMetricsF(self.font())
ymargin = ((LogicalSize / 30.0) + logicalFromPhysical(self.leftSpinBox.height(), self.height()))
ymax = (LogicalSize - logicalFromPhysical(fm.height() * 2, self.height()))
width = LogicalSize / 4.0
cx, cy = LogicalSize / 2.0, LogicalSize / 3.0
ax, ay = cx - (2 * width), ymargin
bx, by = cx - width, ay
dx, dy = cx + width, ay
ex, ey = cx + (2 * width), ymargin
fx, fy = cx + (width / 2), cx + (LogicalSize / 24.0)
gx, gy = fx, ymax
hx, hy = cx - (width / 2), ymax
ix, iy = hx, fy
painter = QPainter(self)
painter.setRenderHint(QPainter.Antialiasing)
side = min(self.width(), self.height())
painter.setViewport((self.width() - side) / 2, (self.height() - side) / 2, side, side)
painter.setWindow(0, 0, LogicalSize, LogicalSize)
painter.setPen(Qt.NoPen)
gradient = QLinearGradient(QPointF(0, 0), QPointF(0, 100))
gradient.setColorAt(0, Qt.white)
a = self.leftSpinBox.value()
gradient.setColorAt(1, (Qt.red if a != 0 else Qt.white))
painter.setBrush(QBrush(gradient))
painter.drawPolygon(QPolygon([ax, ay, bx, by, cx, cy, ix, iy]))
gradient = QLinearGradient(QPointF(0, 0), QPointF(0, 100))
gradient.setColorAt(0, Qt.white)
b = self.rightSpinBox.value()
gradient.setColorAt(1, (Qt.blue if b != 0 else Qt.white))
painter.setBrush(QBrush(gradient))
painter.drawPolygon(QPolygon([cx, cy, dx, dy, ex, ey, fx, fy]))
if (a + b) == 0:
color = QColor(Qt.white)
else:
ashare = (a / (a + b)) * 255.0
bshare = 255.0 - ashare
color = QColor(ashare, 0, bshare)
gradient = QLinearGradient(QPointF(0, 0), QPointF(0, 100))
gradient.setColorAt(0, Qt.white)
gradient.setColorAt(1, color)
painter.setBrush(QBrush(gradient))
painter.drawPolygon(QPolygon([cx, cy, fx, fy, gx, gy, hx, hy, ix, iy]))
painter.setPen(Qt.black)
painter.drawPolyline(QPolygon([ax, ay, ix, iy, hx, hy]))
painter.drawPolyline(QPolygon([gx, gy, fx, fy, ex, ey]))
painter.drawPolyline(QPolygon([bx, by, cx, cy, dx, dy]))
if __name__ == "__main__":
import sys
def valueChanged(a, b):
print(a, b)
app = QApplication(sys.argv)
form = YPipeWidget()
form.connect(form, SIGNAL("valueChanged"), valueChanged)
form.setWindowTitle("YPipe")
form.move(0, 0)
form.show()
form.resize(400, 400)
app.exec_()