重启窗口Widget

.settings/org.eclipse.core.resources.prefs

@@ -1,6 +1,7 @@
 eclipse.preferences.version=1
 encoding//PyQtChart\u7EC3\u4E60/ChartView/ChartView.py=utf-8
 encoding//PyQtChart\u7EC3\u4E60/ChartView/ChatWidget.py=utf-8
+encoding//PyQtChart\u7EC3\u4E60/charts/bar/BarStack.py=utf-8
 encoding//PyQtChart\u7EC3\u4E60/charts/line/LineStack.py=utf-8
 encoding//PyQtChart\u7EC3\u4E60/test/LineChart.py=utf-8
 encoding//PyQtChart\u7EC3\u4E60/test/LineChart\u81EA\u5B9A\u4E49xy\u8F74.py=utf-8
@@ -19,6 +20,7 @@ encoding//\u68A6\u5E7B\u6811/DreamTree.py=utf-8
 encoding//\u6D4F\u89C8\u5668\u83B7\u53D6Cookie/WebEngineView.py=utf-8
 encoding//\u6D4F\u89C8\u5668\u83B7\u53D6Cookie/WebView.py=utf-8
 encoding//\u7A0B\u5E8F\u91CD\u542F/AutoRestart.py=utf-8
+encoding//\u7A97\u53E3\u91CD\u542F/RestartMainWindow.py=utf-8
 encoding//\u81EA\u52A8\u66F4\u65B0/mylibs/testlibs.py=utf-8
 encoding//\u81EA\u52A8\u66F4\u65B0/test.py=utf-8
 encoding//\u81EA\u5B9A\u4E49QWidget\u7684QSS\u6837\u5F0F/CustomPaintWidget.py=utf-8

PyQtChart练习/charts/bar/BarStack.py

@@ -0,0 +1,254 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+
+'''
+Created on 2017年12月28日
+@author: Irony."[讽刺]
+@site: http://alyl.vip, http://orzorz.vip, https://coding.net/u/892768447, https://github.com/892768447
+@email: 892768447@qq.com
+@file: charts.bar.BarStack
+@description: like http://echarts.baidu.com/demo.html#bar-stack
+'''
+
+import sys
+
+from PyQt5.QtChart import QChartView, QChart, QLineSeries, QLegend,\
+    QCategoryAxis, QBarSeries, QBarSet, QBarCategoryAxis
+from PyQt5.QtCore import Qt, QPointF, QRectF, QPoint
+from PyQt5.QtGui import QPainter, QPen
+from PyQt5.QtWidgets import QApplication, QGraphicsLineItem, QWidget, \
+    QHBoxLayout, QLabel, QVBoxLayout, QGraphicsProxyWidget
+from random import randint
+
+
+__Author__ = "By: Irony.\"[讽刺]\nQQ: 892768447\nEmail: 892768447@qq.com"
+__Copyright__ = "Copyright (c) 2017 Irony.\"[讽刺]"
+__Version__ = "Version 1.0"
+
+
+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, 100);}")
+        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 width(self):
+        return self.size().width()
+
+    def height(self):
+        return self.size().height()
+
+    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()
+
+        # 提示widget
+        self.toolTipWidget = GraphicsProxyWidget(self._chart)
+
+        # line
+        self.lineItem = QGraphicsLineItem(self._chart)
+        pen = QPen(Qt.gray)
+        pen.setWidth(1)
+        self.lineItem.setPen(pen)
+        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)
+
+    def mouseMoveEvent(self, event):
+        super(ChartView, self).mouseMoveEvent(event)
+        pos = event.pos()
+        # 把鼠标位置所在点转换为对应的xy值
+        x = self._chart.mapToValue(pos).x()
+        y = self._chart.mapToValue(pos).y()
+        index = round((x - self.min_x) / self.step_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:
+            pos_x = self._chart.mapToPosition(
+                QPointF(index * self.step_x + self.min_x, self.min_y))
+            self.lineItem.setLine(pos_x.x(), self.point_top.y(),
+                                  pos_x.x(), self.point_bottom.y())
+            self.lineItem.show()
+            try:
+                title = self.category[index]
+            except:
+                title = ""
+            t_width = self.toolTipWidget.width()
+            t_height = self.toolTipWidget.height()
+            # 如果鼠标位置离右侧的距离小于tip宽度
+            x = pos.x() - t_width if self.width() - \
+                pos.x() - 20 < t_width else pos.x()
+            # 如果鼠标位置离底部的高度小于tip高度
+            y = pos.y() - t_height if self.height() - \
+                pos.y() - 20 < t_height else pos.y()
+            self.toolTipWidget.show(
+                title, points, QPoint(x, y))
+        else:
+            self.toolTipWidget.hide()
+            self.lineItem.hide()
+    '''
+
+    def handleMarkerClicked(self):
+        marker = self.sender()  # 信号发送者
+        if not marker:
+            return
+        visible = not marker.series().isVisible()
+#         # 隐藏或显示series
+        marker.series().setVisible(visible)
+        marker.setVisible(True)  # 要保证marker一直显示
+        # 透明度
+        alpha = 1.0 if visible else 0.4
+        # 设置label的透明度
+        brush = marker.labelBrush()
+        color = brush.color()
+        color.setAlphaF(alpha)
+        brush.setColor(color)
+        marker.setLabelBrush(brush)
+        # 设置marker的透明度
+        brush = marker.brush()
+        color = brush.color()
+        color.setAlphaF(alpha)
+        brush.setColor(color)
+        marker.setBrush(brush)
+        # 设置画笔透明度
+        pen = marker.pen()
+        color = pen.color()
+        color.setAlphaF(alpha)
+        pen.setColor(color)
+        marker.setPen(pen)
+
+    def handleMarkerHovered(self, status):
+        # 设置series的画笔宽度
+        marker = self.sender()  # 信号发送者
+        if not marker:
+            return
+        series = marker.series()
+        if not series:
+            return
+        pen = series.pen()
+        if not pen:
+            return
+        pen.setWidth(pen.width() + (1 if status else -1))
+        series.setPen(pen)
+
+    def handleSeriesHoverd(self, status,index,barset):
+        return print(status,index,barset)
+#         # 设置series的画笔宽度
+#         series = self.sender()  # 信号发送者
+#         pen = series.pen()
+#         if not pen:
+#             return
+#         pen.setWidth(pen.width() + (1 if state else -1))
+#         series.setPen(pen)
+
+    def initChart(self):
+        self._chart = QChart(title="柱状图堆叠")
+        self._chart.setAcceptHoverEvents(True)
+        # Series动画
+        self._chart.setAnimationOptions(QChart.SeriesAnimations)
+        categories = ["周一", "周二", "周三", "周四", "周五", "周六", "周日"]
+        names = ["邮件营销","联盟广告","视频广告","直接访问","搜索引擎"]
+        series = QBarSeries(self._chart) 
+        for name in names:
+            bar = QBarSet(name)
+            #随机数据
+            for _ in range(7):
+                bar.append(randint(0,10))
+            series.append(bar)
+#             series.hovered.connect(self.handleSeriesHoverd)  # 鼠标悬停
+            self._chart.addSeries(series)
+        self._chart.createDefaultAxes()  # 创建默认的轴
+        # x轴
+        axis_x = QBarCategoryAxis(self._chart)
+        axis_x.append(categories)
+        self._chart.setAxisX(axis_x, series)
+        # chart的图例
+        legend = self._chart.legend()
+        # 设置图例由Series来决定样式
+        legend.setMarkerShape(QLegend.MarkerShapeFromSeries)
+        # 遍历图例上的标记并绑定信号
+        for marker in legend.markers():
+            # 点击事件
+            marker.clicked.connect(self.handleMarkerClicked)
+            # 鼠标悬停事件
+            marker.hovered.connect(self.handleMarkerHovered)
+        self.setChart(self._chart)
+
+
+if __name__ == "__main__":
+    app = QApplication(sys.argv)
+    view = ChartView()
+    view.show()
+    sys.exit(app.exec_())

PyQtChart练习/charts/bar/README.md

@@ -0,0 +1,5 @@
+# 折线图
+
+### [1.柱状图堆叠](BarStack.py)
+like [bar-stack](http://echarts.baidu.com/demo.html#bar-stack)
+![柱状图堆叠](ScreenShot/BarStack.gif)

README.md

@@ -16,6 +16,7 @@
  - [1.11 浏览器获取Cookie](浏览器获取Cookie/)
  - [1.12 全局热键](全局热键/)
  - [1.13 图片加载](图片加载/)
+ - [1.4 窗口重启](窗口重启/)
 
 ### [2.QGraphicsView练习](QGraphicsView练习/)
  - [2.1 世界地图](QGraphicsView练习/世界地图)

窗口重启/README.md

@@ -0,0 +1,4 @@
+# 重启窗口Widget
+
+# 截图
+![截图](ScreenShot/1.gif)

窗口重启/RestartMainWindow.py

@@ -0,0 +1,62 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+
+'''
+Created on 2018年1月17日
+@author: Irony."[讽刺]
+@site: http://alyl.vip, http://orzorz.vip, https://coding.net/u/892768447, https://github.com/892768447
+@email: 892768447@qq.com
+@file: RestartMainWindow
+@description: 
+'''
+from PyQt5.QtCore import pyqtSignal
+from PyQt5.QtWidgets import QWidget, QVBoxLayout, QLabel, QPushButton, QLineEdit,\
+    QMessageBox
+
+
+__Author__ = "By: Irony.\"[讽刺]\nQQ: 892768447\nEmail: 892768447@qq.com"
+__Copyright__ = "Copyright (c) 2018 Irony.\"[讽刺]"
+__Version__ = "Version 1.0"
+
+
+class RestartMainWindow(QWidget):
+
+    restarted = pyqtSignal(QWidget, str)
+    _Self = None  # 很重要,保留窗口引用
+
+    def __init__(self, path, *args, **kwargs):
+        super(RestartMainWindow, self).__init__(*args, **kwargs)
+        RestartMainWindow._Self = self
+        layout = QVBoxLayout(self)
+        layout.addWidget(QLabel("当前工作目录：" + path, self))
+        self.dirEdit = QLineEdit(
+            self, placeholderText="请输入要切换的目录", returnPressed=self.onChangeDir)
+        layout.addWidget(self.dirEdit)
+        layout.addWidget(QPushButton(
+            "点我切换工作目录", self, clicked=self.onChangeDir))
+        self.restarted.connect(RestartMainWindow.onRestart)
+
+    def onChangeDir(self):
+        path = self.dirEdit.text().strip()
+        if path and QMessageBox.question(self, "提示", "确认要切换到{0}目录吗?".format(path)) == QMessageBox.Yes:
+            self.hide()  # 先隐藏
+            self.restarted.emit(self, path)
+        else:
+            self.dirEdit.setFocus()
+
+    @classmethod
+    def onRestart(cls, widget, path):
+        w = RestartMainWindow(path)
+        w.show()
+        widget.close()
+        widget.deleteLater()
+        del widget
+
+
+if __name__ == "__main__":
+    import sys
+    from PyQt5.QtWidgets import QApplication
+    app = QApplication(sys.argv)
+    w = RestartMainWindow("test")
+    w.show()
+    sys.exit(app.exec_())