Pyqt4无边框窗体拖动的代码

这个UI是用Qt designer生成的，自己没有系统的学习过Python，有好多东西都走了弯路了！

这里记录一下,感谢google,感谢stackoverflow

只是有一样不爽，现在google.com.hk搜索出来的东西不能直接打开了，只能挂代理上....

代码：

# -*- coding: utf-8 -*-
# Created: Mon Oct 22 16:57:35 2012
#      by: PyQt4 UI code generator 4.9.5
#
# WARNING! All changes made in this file will be lost!
from PyQt4 import QtCore, QtGui ,Qt
try:

_fromUtf8 = QtCore.QString.fromUtf8

except AttributeError:

_fromUtf8 = lambda s: s
class Ui_myPopForm(object):

def setupUi(self, myPopForm):

myPopForm.setObjectName(_fromUtf8("myPopForm"))

myPopForm.setWindowModality(QtCore.Qt.NonModal)

myPopForm.resize(780, 600)

myPopForm.setStyleSheet(_fromUtf8("border:3px solid rgb(0, 0, 0);n"

"background-color: rgb(255, 255, 255);"))

self.centralWidget = QtGui.QWidget(myPopForm)

self.centralWidget.setObjectName(_fromUtf8("centralWidget"))

self.modelTopbar = QtGui.QLabel(self.centralWidget)

self.modelTopbar.setGeometry(QtCore.QRect(3, 3, 774, 40))

self.modelTopbar.setStyleSheet(_fromUtf8("background-color:#dddddd;border:0;border-bottom:1px solid #cccccc"))

self.modelTopbar.setText(_fromUtf8(""))

self.modelTopbar.setObjectName(_fromUtf8("modelTopbar"))

self.closeBtn = QtGui.QPushButton(self.centralWidget)

self.closeBtn.setGeometry(QtCore.QRect(753, 15, 15, 15))

self.closeBtn.setCursor(QtGui.QCursor(QtCore.Qt.PointingHandCursor))

self.closeBtn.setStyleSheet(_fromUtf8("border:0;background-image:url(images/top_close.png);"))

self.closeBtn.setText(_fromUtf8(""))

self.closeBtn.setObjectName(_fromUtf8("closeBtn"))

self.topTitle = QtGui.QLabel(self.centralWidget)

self.topTitle.setGeometry(QtCore.QRect(15, 15, 661, 16))

self.topTitle.setStyleSheet(_fromUtf8("border:none;background-color:none;n"

"font: 12pt "微软雅黑";"))

self.topTitle.setObjectName(_fromUtf8("topTitle"))

myPopForm.setCentralWidget(self.centralWidget)
    <span class="highlight-bp">self</span><span class="highlight-o">.</span><span class="highlight-n">retranslateUi</span><span class="highlight-p">(</span><span class="highlight-n">myPopForm</span><span class="highlight-p">)</span>
    <span class="highlight-n">QtCore</span><span class="highlight-o">.</span><span class="highlight-n">QObject</span><span class="highlight-o">.</span><span class="highlight-n">connect</span><span class="highlight-p">(</span><span class="highlight-bp">self</span><span class="highlight-o">.</span><span class="highlight-n">closeBtn</span><span class="highlight-p">,</span> <span class="highlight-n">QtCore</span><span class="highlight-o">.</span><span class="highlight-n">SIGNAL</span><span class="highlight-p">(</span><span class="highlight-n">_fromUtf8</span><span class="highlight-p">(</span><span class="highlight-s2">&#34;clicked()&#34;</span><span class="highlight-p">)),</span> <span class="highlight-n">myPopForm</span><span class="highlight-o">.</span><span class="highlight-n">close</span><span class="highlight-p">)</span>
    <span class="highlight-n">QtCore</span><span class="highlight-o">.</span><span class="highlight-n">QMetaObject</span><span class="highlight-o">.</span><span class="highlight-n">connectSlotsByName</span><span class="highlight-p">(</span><span class="highlight-n">myPopForm</span><span class="highlight-p">)</span>
    <span class="highlight-c1">#无边框</span>
    <span class="highlight-n">myPopForm</span><span class="highlight-o">.</span><span class="highlight-n">setWindowFlags</span><span class="highlight-p">(</span><span class="highlight-n">Qt</span><span class="highlight-o">.</span><span class="highlight-n">Qt</span><span class="highlight-o">.</span><span class="highlight-n">FramelessWindowHint</span><span class="highlight-p">)</span>

<span class="highlight-k">def</span> <span class="highlight-nf">retranslateUi</span><span class="highlight-p">(</span><span class="highlight-bp">self</span><span class="highlight-p">,</span> <span class="highlight-n">myPopForm</span><span class="highlight-p">):</span>
    <span class="highlight-n">myPopForm</span><span class="highlight-o">.</span><span class="highlight-n">setWindowTitle</span><span class="highlight-p">(</span><span class="highlight-sa">u</span><span class="highlight-s1">&#39;小米粥(xiaomizhou.net)&#39;</span><span class="highlight-p">)</span>
    <span class="highlight-bp">self</span><span class="highlight-o">.</span><span class="highlight-n">topTitle</span><span class="highlight-o">.</span><span class="highlight-n">setText</span><span class="highlight-p">(</span><span class="highlight-sa">u</span><span class="highlight-s1">&#39;小米粥(xiaomizhou.net)&#39;</span><span class="highlight-p">)</span>

class renderApp(QtGui.QMainWindow):

def init(self, parent=None):

super(renderApp, self).init(parent)

self.ui = Ui_myPopForm()

self.ui.setupUi(self)
<span class="highlight-k">def</span> <span class="highlight-nf">mousePressEvent</span><span class="highlight-p">(</span><span class="highlight-bp">self</span><span class="highlight-p">,</span><span class="highlight-n">event</span><span class="highlight-p">):</span>
   <span class="highlight-c1">#鼠标点击事件</span>
   <span class="highlight-k">if</span> <span class="highlight-n">event</span><span class="highlight-o">.</span><span class="highlight-n">button</span><span class="highlight-p">()</span> <span class="highlight-o">==</span> <span class="highlight-n">QtCore</span><span class="highlight-o">.</span><span class="highlight-n">Qt</span><span class="highlight-o">.</span><span class="highlight-n">LeftButton</span><span class="highlight-p">:</span>
       <span class="highlight-bp">self</span><span class="highlight-o">.</span><span class="highlight-n">dragPosition</span> <span class="highlight-o">=</span> <span class="highlight-n">event</span><span class="highlight-o">.</span><span class="highlight-n">globalPos</span><span class="highlight-p">()</span> <span class="highlight-o">-</span> <span class="highlight-bp">self</span><span class="highlight-o">.</span><span class="highlight-n">frameGeometry</span><span class="highlight-p">()</span><span class="highlight-o">.</span><span class="highlight-n">topLeft</span><span class="highlight-p">()</span>
       <span class="highlight-n">event</span><span class="highlight-o">.</span><span class="highlight-n">accept</span><span class="highlight-p">()</span>
<span class="highlight-k">def</span> <span class="highlight-nf">mouseMoveEvent</span><span class="highlight-p">(</span><span class="highlight-bp">self</span><span class="highlight-p">,</span><span class="highlight-n">event</span><span class="highlight-p">):</span>
   <span class="highlight-c1">#鼠标移动事件</span>
    <span class="highlight-k">if</span> <span class="highlight-n">event</span><span class="highlight-o">.</span><span class="highlight-n">buttons</span><span class="highlight-p">()</span> <span class="highlight-o">==</span><span class="highlight-n">QtCore</span><span class="highlight-o">.</span><span class="highlight-n">Qt</span><span class="highlight-o">.</span><span class="highlight-n">LeftButton</span><span class="highlight-p">:</span>
        <span class="highlight-bp">self</span><span class="highlight-o">.</span><span class="highlight-n">move</span><span class="highlight-p">(</span><span class="highlight-n">event</span><span class="highlight-o">.</span><span class="highlight-n">globalPos</span><span class="highlight-p">()</span> <span class="highlight-o">-</span> <span class="highlight-bp">self</span><span class="highlight-o">.</span><span class="highlight-n">dragPosition</span><span class="highlight-p">)</span>
        <span class="highlight-n">event</span><span class="highlight-o">.</span><span class="highlight-n">accept</span><span class="highlight-p">()</span>   

if name == "main":

import sys

app = QtGui.QApplication(sys.argv)

render = renderApp()

render.show()

sys.exit(app.exec_())