*PyQt4 精彩实例分析* 实例6 实现QQ抽屉效果

*PyQt4 精彩实例分析* 实例6 实现QQ抽屉效果分类： -- PyQt4 2010-12-04 22:48 3247人阅读 评论(4) 收藏 举报qqimportqtwindowslinuxclass抽屉效果是软件界面设计中的一种常用形式，目前很多流行软件都采用了抽屉效果，如腾讯公司的QQ软件，抽屉效果可以以一种动态直观的方式在有限大小的界面上扩展出更多的功能。本实例在Qt下实现抽屉效果，如下图所示。具体实现代码如下：[python] view plaincopy # -*- coding: utf-8 -*- from PyQt4.QtGui import * from PyQt4.QtCore import * import sys QTextCodec.setCodecForTr(QTextCodec.codecForName("utf8")) class MyQQ(QToolBox): def __init__(self,parent=None): super(MyQQ,self).__init__(parent) toolButton1_1=QToolButton() toolButton1_1.setText(self.tr("朽木")) toolButton1_1.setIcon(QIcon("image/9.gif")) toolButton1_1.setIconSize(QSize(60,60)) toolButton1_1.setAutoRaise(True) toolButton1_1.setToolButtonStyle(Qt.ToolButtonTextUnderIcon) toolButton1_2=QToolButton() toolButton1_2.setText(self.tr("Cindy")) toolButton1_2.setIcon(QIcon("image/8.gif")) toolButton1_2.setIconSize(QSize(60,60)) toolButton1_2.setAutoRaise(True) toolButton1_2.setToolButtonStyle(Qt.ToolButtonTextUnderIcon) toolButton1_3=QToolButton() toolButton1_3.setText(self.tr("了了")) toolButton1_3.setIcon(QIcon("image/1.gif")) toolButton1_3.setIconSize(QSize(60,60)) toolButton1_3.setAutoRaise(True) toolButton1_3.setToolButtonStyle(Qt.ToolButtonTextUnderIcon) toolButton1_4=QToolButton() toolButton1_4.setText(self.tr("张三虎")) toolButton1_4.setIcon(QIcon("image/3.gif")) toolButton1_4.setIconSize(QSize(60,60)) toolButton1_4.setAutoRaise(True) toolButton1_4.setToolButtonStyle(Qt.ToolButtonTextUnderIcon) toolButton1_5=QToolButton() toolButton1_5.setText(self.tr("CSDN")) toolButton1_5.setIcon(QIcon("image/4.gif")) toolButton1_5.setIconSize(QSize(60,60)) toolButton1_5.setAutoRaise(True) toolButton1_5.setToolButtonStyle(Qt.ToolButtonTextUnderIcon) toolButton2_1=QToolButton() toolButton2_1.setText(self.tr("天的另一边")) toolButton2_1.setIcon(QIcon("image/5.gif")) toolButton2_1.setIconSize(QSize(60,60)) toolButton2_1.setAutoRaise(True) toolButton2_1.setToolButtonStyle(Qt.ToolButtonTextUnderIcon) toolButton2_2=QToolButton() toolButton2_2.setText(self.tr("蓝绿不分")) toolButton2_2.setIcon(QIcon("image/6.gif")) toolButton2_2.setIconSize(QSize(60,60)) toolButton2_2.setAutoRaise(True) toolButton2_2.setToolButtonStyle(Qt.ToolButtonTextUnderIcon) toolButton3_1=QToolButton() toolButton3_1.setText(self.tr("老牛")) toolButton3_1.setIcon(QIcon("image/7.gif")) toolButton3_1.setIconSize(QSize(60,60)) toolButton3_1.setAutoRaise(True) toolButton3_1.setToolButtonStyle(Qt.ToolButtonTextUnderIcon) toolButton3_2=QToolButton() toolButton3_2.setText(self.tr("张三疯")) toolButton3_2.setIcon(QIcon("image/8.gif")) toolButton3_2.setIconSize(QSize(60,60)) toolButton3_2.setAutoRaise(True) toolButton3_2.setToolButtonStyle(Qt.ToolButtonTextUnderIcon) groupbox1=QGroupBox() vlayout1=QVBoxLayout(groupbox1) vlayout1.setMargin(10) vlayout1.setAlignment(Qt.AlignCenter) vlayout1.addWidget(toolButton1_1) vlayout1.addWidget(toolButton1_2) vlayout1.addWidget(toolButton1_3) vlayout1.addWidget(toolButton1_4) vlayout1.addWidget(toolButton1_5) vlayout1.addStretch() groupbox2=QGroupBox() vlayout2=QVBoxLayout(groupbox2) vlayout2.setMargin(10) vlayout2.setAlignment(Qt.AlignCenter) vlayout2.addWidget(toolButton2_1) vlayout2.addWidget(toolButton2_2) groupbox3=QGroupBox() vlayout3=QVBoxLayout(groupbox3) vlayout3.setMargin(10) vlayout3.setAlignment(Qt.AlignCenter) vlayout3.addWidget(toolButton3_1) vlayout3.addWidget(toolButton3_2) self.addItem(groupbox1,self.tr("我的好友")) self.addItem(groupbox2,self.tr("同事")) self.addItem(groupbox3,self.tr("黑名单")) app=QApplication(sys.argv) myqq=MyQQ() myqq.setWindowTitle("My QQ") myqq.show() app.exec_() MyQQ类继承自QToolBox，QToolBox提供了一种列状的层叠窗体，本实例通过QToolBox来实现一种抽屉效果，QToolButton提供了一种快速访问命令或选择项的按钮，通常在工具条中使用。第75行创建了一个QGroupBox类实例，在本例中对应每一个抽屉。第12行创建了一个QToolButton类实例，在这里QToolButton分别对应于抽屉中的每一个按钮。第13-15行对按钮的文字，图标以及大小等进行设置。第16行设置按钮的AutoRaise属性为True，即当鼠标离开时，按钮自动恢复成弹起状态。第17行设置按钮的ToolButtonStyle属性，ToolButtonStyle属性主要用来描述按钮的文字和图标的显示方式。Qt定义了4种QToolButtonStyle类型，分别介绍如下。Qt.ToolButtonIconOnly：只显示图标。Qt.ToolButtonTextOnly：只显示文字。Qt.ToolButtonTextBesideIcon：文字显示在图标旁边。Qt.ToolButtonTextUnderIcon：文字显示在图标下面。程序员可以根据显示需要调整显示方式。第76行创建一个QVBoxLayout类实例，用来设置抽屉内各按钮的布局。第77，78行设置布局中各按钮的显示间距和显示位置。第79-83行将抽屉内的各个按钮加入。第84行调用addStretch()方法在按钮之后插入一个占位符，使得所有按钮能靠上对齐。并且在整个抽屉大小发生改变时，保证按钮的大小不发生变化。其它行都是实现类似的功能。第100-102行把准备好的抽屉插入至QToolBox中。