update

QFlowLayout/Lib/flowlayout.py

@@ -0,0 +1,161 @@
+#!/usr/bin/env python
+
+
+#############################################################################
+##
+# Copyright (C) 2013 Riverbank Computing Limited.
+# Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
+# All rights reserved.
+##
+# This file is part of the examples of PyQt.
+##
+# $QT_BEGIN_LICENSE:BSD$
+# You may use this file under the terms of the BSD license as follows:
+##
+# "Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+# * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+# * Redistributions in binary form must reproduce the above copyright
+# notice, this list of conditions and the following disclaimer in
+# the documentation and/or other materials provided with the
+# distribution.
+# * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
+# the names of its contributors may be used to endorse or promote
+# products derived from this software without specific prior written
+# permission.
+##
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
+# $QT_END_LICENSE$
+##
+#############################################################################
+
+
+from PyQt5.QtCore import QPoint, QRect, QSize, Qt
+from PyQt5.QtWidgets import (QApplication, QLayout, QPushButton, QSizePolicy,
+                             QWidget)
+
+
+class Window(QWidget):
+    def __init__(self):
+        super(Window, self).__init__()
+
+        flowLayout = FlowLayout()
+        flowLayout.addWidget(QPushButton("Short"))
+        flowLayout.addWidget(QPushButton("Longer"))
+        flowLayout.addWidget(QPushButton("Different text"))
+        flowLayout.addWidget(QPushButton("More text"))
+        flowLayout.addWidget(QPushButton("Even longer button text"))
+        self.setLayout(flowLayout)
+
+        self.setWindowTitle("Flow Layout")
+
+
+class FlowLayout(QLayout):
+    def __init__(self, parent=None, margin=0, spacing=-1):
+        super(FlowLayout, self).__init__(parent)
+
+        if parent is not None:
+            self.setContentsMargins(margin, margin, margin, margin)
+
+        self.setSpacing(spacing)
+
+        self.itemList = []
+
+    def __del__(self):
+        item = self.takeAt(0)
+        while item:
+            item = self.takeAt(0)
+
+    def addItem(self, item):
+        self.itemList.append(item)
+
+    def count(self):
+        return len(self.itemList)
+
+    def itemAt(self, index):
+        if index >= 0 and index < len(self.itemList):
+            return self.itemList[index]
+
+        return None
+
+    def takeAt(self, index):
+        if index >= 0 and index < len(self.itemList):
+            return self.itemList.pop(index)
+
+        return None
+
+    def expandingDirections(self):
+        return Qt.Orientations(Qt.Orientation(0))
+
+    def hasHeightForWidth(self):
+        return True
+
+    def heightForWidth(self, width):
+        height = self.doLayout(QRect(0, 0, width, 0), True)
+        return height
+
+    def setGeometry(self, rect):
+        super(FlowLayout, self).setGeometry(rect)
+        self.doLayout(rect, False)
+
+    def sizeHint(self):
+        return self.minimumSize()
+
+    def minimumSize(self):
+        size = QSize()
+
+        for item in self.itemList:
+            size = size.expandedTo(item.minimumSize())
+
+        margin, _, _, _ = self.getContentsMargins()
+
+        size += QSize(2 * margin, 2 * margin)
+        return size
+
+    def doLayout(self, rect, testOnly):
+        x = rect.x()
+        y = rect.y()
+        lineHeight = 0
+
+        for item in self.itemList:
+            wid = item.widget()
+            spaceX = self.spacing() + wid.style().layoutSpacing(QSizePolicy.PushButton,
+                                                                QSizePolicy.PushButton, Qt.Horizontal)
+            spaceY = self.spacing() + wid.style().layoutSpacing(QSizePolicy.PushButton,
+                                                                QSizePolicy.PushButton, Qt.Vertical)
+            nextX = x + item.sizeHint().width() + spaceX
+            if nextX - spaceX > rect.right() and lineHeight > 0:
+                x = rect.x()
+                y = y + lineHeight + spaceY
+                nextX = x + item.sizeHint().width() + spaceX
+                lineHeight = 0
+
+            if not testOnly:
+                item.setGeometry(QRect(QPoint(x, y), item.sizeHint()))
+
+            x = nextX
+            lineHeight = max(lineHeight, item.sizeHint().height())
+
+        return y + lineHeight - rect.y()
+
+
+if __name__ == '__main__':
+
+    import sys
+
+    app = QApplication(sys.argv)
+    mainWin = Window()
+    mainWin.show()
+    sys.exit(app.exec_())

QGraphicsDropShadowEffect/Lib/AnimationShadowEffect.py

@@ -0,0 +1,56 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+
+"""
+Created on 2018年9月25日
+@author: Irony
+@site: https://pyqt5.com , https://github.com/892768447
+@email: 892768447@qq.com
+@file: AnimationShadowEffect
+@description: 边框动画阴影动画
+"""
+from PyQt5.QtCore import QPropertyAnimation, pyqtProperty
+from PyQt5.QtWidgets import QGraphicsDropShadowEffect
+
+
+__Author__ = """By: Irony
+QQ: 892768447
+Email: 892768447@qq.com"""
+__Copyright__ = 'Copyright (c) 2018 Irony'
+__Version__ = 1.0
+
+
+class AnimationShadowEffect(QGraphicsDropShadowEffect):
+
+    def __init__(self, color, *args, **kwargs):
+        super(AnimationShadowEffect, self).__init__(*args, **kwargs)
+        self.setColor(color)
+        self.setOffset(0, 0)
+        self.setBlurRadius(0)
+        self._radius = 0
+        self.animation = QPropertyAnimation(self)
+        self.animation.setTargetObject(self)
+        self.animation.setDuration(2000)  # 一次循环时间
+        self.animation.setLoopCount(-1)  # 永久循环
+        self.animation.setPropertyName(b'radius')
+        # 插入值
+        self.animation.setKeyValueAt(0, 1)
+        self.animation.setKeyValueAt(0.5, 30)
+        self.animation.setKeyValueAt(1, 1)
+
+    def start(self):
+        self.animation.start()
+
+    def stop(self, r=0):
+        # 停止动画并修改半径值
+        self.animation.stop()
+        self.radius = r
+
+    @pyqtProperty(int)
+    def radius(self):
+        return self._radius
+
+    @radius.setter
+    def radius(self, r):
+        self._radius = r
+        self.setBlurRadius(r)