forked from PyQt5/PyQt
-
Notifications
You must be signed in to change notification settings - Fork 0
/
ToolTip2.py
218 lines (182 loc) · 7.64 KB
/
ToolTip2.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
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
#!/usr/bin/env python
# -*- coding: utf-8 -*-
'''
Created on 2017年12月23日
@author: Irony."[讽刺]
@site: https://pyqt5.com , https://github.com/892768447
@email: [email protected]
@file: ToolTip2
@description:
'''
import sys
from PyQt5.QtChart import QChartView, QChart, QLineSeries
from PyQt5.QtCore import Qt, QRectF, QPoint, QPointF
from PyQt5.QtGui import QPainter, QCursor
from PyQt5.QtWidgets import QApplication, QGraphicsProxyWidget, QLabel, \
QWidget, QHBoxLayout, QVBoxLayout, QToolTip, QGraphicsLineItem
__Author__ = "By: Irony.\"[讽刺]\nQQ: 892768447\nEmail: [email protected]"
__Copyright__ = "Copyright (c) 2017 Irony.\"[讽刺]"
__Version__ = "Version 1.0"
'''
class CircleWidget(QGraphicsProxyWidget):
def __init__(self, color, *args, **kwargs):
super(CircleWidget, self).__init__(*args, **kwargs)
label = QLabel()
label.setMinimumSize(12, 12)
label.setMaximumSize(12, 12)
label.setStyleSheet(
"border:1px solid green;border-radius:6px;background: %s;" % color)
self.setWidget(label)
class TextWidget(QGraphicsProxyWidget):
def __init__(self, text, *args, **kwargs):
super(TextWidget, self).__init__(*args, **kwargs)
self.setWidget(QLabel(text, styleSheet="color:white;"))
class GraphicsWidget(QGraphicsWidget):
def __init__(self, *args, **kwargs):
super(GraphicsWidget, self).__init__(*args, **kwargs)
# self.setFlags(self.ItemClipsChildrenToShape)
self.setZValue(999)
layout = QGraphicsGridLayout(self)
for row in range(6):
layout.addItem(CircleWidget("red"), row, 0)
layout.addItem(TextWidget("red"), row, 1)
self.hide()
def show(self, pos):
self.setGeometry(pos.x(), pos.y(), self.size().width(),
self.size().height())
super(GraphicsWidget, self).show()
'''
class ToolTipItem(QWidget):
def __init__(self, color, text, parent=None):
super(ToolTipItem, self).__init__(parent)
layout = QHBoxLayout(self)
layout.setContentsMargins(0, 0, 0, 0)
clabel = QLabel(self)
clabel.setMinimumSize(12, 12)
clabel.setMaximumSize(12, 12)
clabel.setStyleSheet("border-radius:6px;background: rgba(%s,%s,%s,%s);" % (
color.red(), color.green(), color.blue(), color.alpha()))
layout.addWidget(clabel)
self.textLabel = QLabel(text, self, styleSheet="color:white;")
layout.addWidget(self.textLabel)
def setText(self, text):
self.textLabel.setText(text)
class ToolTipWidget(QWidget):
Cache = {}
def __init__(self, *args, **kwargs):
super(ToolTipWidget, self).__init__(*args, **kwargs)
self.setAttribute(Qt.WA_StyledBackground, True)
self.setStyleSheet(
"ToolTipWidget{background: rgba(50,50,50,70);}")
layout = QVBoxLayout(self)
self.titleLabel = QLabel(self, styleSheet="color:white;")
layout.addWidget(self.titleLabel)
def updateUi(self, title, points):
self.titleLabel.setText(title)
for serie, point in points:
if serie not in self.Cache:
item = ToolTipItem(
serie.color(),
(serie.name() or "-") + ":" + str(point.y()), self)
self.layout().addWidget(item)
self.Cache[serie] = item
else:
self.Cache[serie].setText(
(serie.name() or "-") + ":" + str(point.y()))
class GraphicsProxyWidget(QGraphicsProxyWidget):
def __init__(self, *args, **kwargs):
super(GraphicsProxyWidget, self).__init__(*args, **kwargs)
self.setZValue(999)
self.tipWidget = ToolTipWidget()
self.setWidget(self.tipWidget)
self.hide()
def show(self, title, points, pos):
self.setGeometry(QRectF(pos, self.size()))
self.tipWidget.updateUi(title, points)
super(GraphicsProxyWidget, self).show()
class ChartView(QChartView):
def __init__(self, *args, **kwargs):
super(ChartView, self).__init__(*args, **kwargs)
self.resize(800, 600)
self.setRenderHint(QPainter.Antialiasing) # 抗锯齿
self.initChart()
self.toolTipWidget = GraphicsProxyWidget(self._chart)
# line
self.lineItem = QGraphicsLineItem(self._chart)
self.lineItem.setZValue(998)
self.lineItem.hide()
# 一些固定计算，减少mouseMoveEvent中的计算量
# 获取x和y轴的最小最大值
axisX, axisY = self._chart.axisX(), self._chart.axisY()
self.min_x, self.max_x = axisX.min(), axisX.max()
self.min_y, self.max_y = axisY.min(), axisY.max()
# 坐标系中左上角顶点
self.point_top = self._chart.mapToPosition(
QPointF(self.min_x, self.max_y))
# 坐标原点坐标
self.point_bottom = self._chart.mapToPosition(
QPointF(self.min_x, self.min_y))
self.step_x = (self.max_x - self.min_x) / (axisX.tickCount() - 1)
# self.step_y = (self.max_y - self.min_y) / (axisY.tickCount() - 1)
def mouseMoveEvent(self, event):
super(ChartView, self).mouseMoveEvent(event)
# 把鼠标位置所在点转换为对应的xy值
x = self._chart.mapToValue(event.pos()).x()
y = self._chart.mapToValue(event.pos()).y()
index = round((x - self.min_x) / self.step_x)
# print(x, pos_x, index, index * self.step_x + self.min_x)
# 得到在坐标系中的所有series的类型和点
points = [(serie, serie.at(index))
for serie in self._chart.series() if self.min_x <= x <= self.max_x and self.min_y <= y <= self.max_y]
if points:
# 跟随鼠标的黑线条
self.lineItem.setLine(event.pos().x(), self.point_top.y(),
event.pos().x(), self.point_bottom.y())
self.lineItem.show()
self.toolTipWidget.show("", points, event.pos() + QPoint(20, 20))
else:
self.toolTipWidget.hide()
self.lineItem.hide()
def onSeriesHoverd(self, point, state):
if state:
try:
name = self.sender().name()
except:
name = ""
QToolTip.showText(QCursor.pos(), "%s\nx: %s\ny: %s" %
(name, point.x(), point.y()))
def initChart(self):
self._chart = QChart(title="Line Chart")
self._chart.setAcceptHoverEvents(True)
dataTable = [
[120, 132, 101, 134, 90, 230, 210],
[220, 182, 191, 234, 290, 330, 310],
[150, 232, 201, 154, 190, 330, 410],
[320, 332, 301, 334, 390, 330, 320],
[820, 932, 901, 934, 1290, 1330, 1320]
]
for i, data_list in enumerate(dataTable):
series = QLineSeries(self._chart)
for j, v in enumerate(data_list):
series.append(j, v)
series.setName("Series " + str(i))
series.setPointsVisible(True) # 显示原点
series.hovered.connect(self.onSeriesHoverd)
self._chart.addSeries(series)
self._chart.createDefaultAxes() # 创建默认的轴
self._chart.axisX().setTickCount(7) # x轴设置7个刻度
self._chart.axisY().setTickCount(7) # y轴设置7个刻度
self._chart.axisY().setRange(0, 1500) # 设置y轴范围
self.setChart(self._chart)
if __name__ == "__main__":
app = QApplication(sys.argv)
app.setStyleSheet("""QToolTip {
border: none;
padding: 5px;
color: white;
background: rgb(50,50,50);
opacity: 100;
}""")
view = ChartView()
view.show()
sys.exit(app.exec_())