hotplaylist

QFlowLayout/HotPlaylist.py

@@ -21,7 +21,7 @@ from PyQt5.QtSvg import QSvgWidget
 from PyQt5.QtWidgets import QWidget, QApplication, QVBoxLayout, QLabel,\
     QHBoxLayout, QSpacerItem, QSizePolicy, QScrollArea, QAbstractSlider
 
-from flowlayout import FlowLayout  # @UnresolvedImport
+from Lib.flowlayout import FlowLayout  # @UnresolvedImport
 from lxml.etree import HTML  # @UnresolvedImport
 
 
@@ -259,7 +259,7 @@ class GridWidget(QWidget):
                 li.xpath(".//div[@class='figure_count']/span/text()") or [""])[0]
             path = "cache/{0}.jpg".format(
                 os.path.splitext(os.path.basename(video_url))[0])
-            cover_path = "pic_v.png"
+            cover_path = "Data/pic_v.png"
             if os.path.isfile(path):
                 cover_path = path
             iwidget = ItemWidget(cover_path, figure_info, figure_title,

QFlowLayout/README.md

@@ -0,0 +1,18 @@
+# QListView
+
+## 1、腾讯视频热播列表
+[运行](HotPlaylist.py)
+
+简单思路说明：
+
+ - 利用`QScrollArea`滚动显示，自定义的`QFlowLayout`做布局来放置自定义的Widget
+ - `QNetworkAccessManager`异步下载网页和图片
+ - `QScrollArea`滚动到底部触发下一页加载
+
+自定义控件说明：
+
+ - 主要是多个layout和控件的结合，其中图片`QLabel`为自定义，通过`setPixmap`设置图片，重写`paintEvent`绘制底部渐变矩形框和白色文字
+ - 字体颜色用qss设置
+ - 图标利用了`QSvgWidget`显示，可以是svg 动画（如圆形加载图）
+
+![HotPlaylist](ScreenShot/HotPlaylist.gif)

QGridLayout/HotPlaylist.py

@@ -275,7 +275,7 @@ class GridWidget(QWidget):
                     li.xpath(".//div[@class='figure_count']/span/text()") or [""])[0]
                 path = "cache/{0}.jpg".format(
                     os.path.splitext(os.path.basename(video_url))[0])
-                cover_path = "pic_v.png"
+                cover_path = "Data/pic_v.png"
                 if os.path.isfile(path):
                     cover_path = path
                 iwidget = ItemWidget(cover_path, figure_info, figure_title,

QGridLayout/README.md

@@ -0,0 +1,18 @@
+# QListView
+
+## 1、腾讯视频热播列表
+[运行](HotPlaylist.py)
+
+简单思路说明：
+
+ - 利用`QScrollArea`滚动显示，`QGridLayout`做布局来放置自定义的Widget
+ - `QNetworkAccessManager`异步下载网页和图片
+ - `QScrollArea`滚动到底部触发下一页加载
+
+自定义控件说明：
+
+ - 主要是多个layout和控件的结合，其中图片`QLabel`为自定义，通过`setPixmap`设置图片，重写`paintEvent`绘制底部渐变矩形框和白色文字
+ - 字体颜色用qss设置
+ - 图标利用了`QSvgWidget`显示，可以是svg 动画（如圆形加载图）
+
+![HotPlaylist](ScreenShot/HotPlaylist.gif)

QListWidget/HotPlaylist.py

@@ -274,7 +274,7 @@ class Window(QListWidget):
                 li.xpath(".//div[@class='figure_count']/span/text()") or [""])[0]
             path = "cache/{0}.jpg".format(
                 os.path.splitext(os.path.basename(video_url))[0])
-            cover_path = "pic_v.png"
+            cover_path = "Data/pic_v.png"
             if os.path.isfile(path):
                 cover_path = path
             iwidget = ItemWidget(cover_path, figure_info, figure_title,

QListWidget/HotPlaylist/README.md

@@ -1,29 +0,0 @@
-# 腾讯视频热播列表
-
-简单思路说明：
-
- - 利用QScrollArea滚动显示，QGridLayout或者FlowLayout做布局来放置自定义的Widget
- - QNetworkAccessManager异步下载网页和图片
- - QScrollArea滚动到底部触发下一页加载
-
-自定义控件说明：
-
- - 主要是多个layout和控件的结合，其中图片QLabel为自定义，通过setPixmap设置图片，重写paintEvent绘制底部渐变矩形框和白色文字
- - 字体颜色用qss设置
- - 图标利用了QSvgWidget显示，可以是svg 动画（如圆形加载图）
-
-
-# 截图
-
-使用QGridLayout 固定列数效果图
-
-![截图1](ScreenShot/1.gif)
-
-使用自定义布局FlowLayout 自动列数效果图
-![截图2](ScreenShot/2.gif)
-
-使用QListWidget 配合setFlow(QListWidget.LeftToRight)和
-setWrapping(True)和
-setResizeMode(QListWidget.Adjust)达到类似FlowLayout的效果
-
-![截图3](ScreenShot/3.gif)

QListWidget/HotPlaylist/flowlayout.py

@@ -1,161 +0,0 @@
-#!/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_())

QListWidget/README.md

@@ -14,3 +14,26 @@
 [运行](DragDrop.py)
 
 ![CustomWidgetSortItem](ScreenShot/DragDrop.gif)
+
+## 3、腾讯视频热播列表
+[运行](HotPlaylist.py)
+
+简单思路说明：
+
+ - 利用`QListWidget`设置一些特殊的参数达到可以横向自动显示
+ - `QNetworkAccessManager`异步下载网页和图片
+ - 滚动到底部触发下一页加载
+
+自定义控件说明：
+
+ - 主要是多个layout和控件的结合，其中图片`QLabel`为自定义，通过`setPixmap`设置图片，重写`paintEvent`绘制底部渐变矩形框和白色文字
+ - 字体颜色用qss设置
+ - 图标利用了`QSvgWidget`显示，可以是svg 动画（如圆形加载图）
+
+`QListWidget`的参数设置
+
+1. `setFlow(QListWidget.LeftToRight)`
+2. `setWrapping(True)`
+3. `setResizeMode(QListWidget.Adjust)`
+
+![HotPlaylist](ScreenShot/HotPlaylist.gif)