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今天做了个基于pyqt4和pyside的输入对话框.已放到pypi中,包名wlab，大家可以使用pip安装：
pip install wlab
在程序输入中,有时会要求同时改变多个参数值,而且类型也不尽相同,
这时下面的模块比较彻底的解决了这个问题.先看个示例吧.
比如我们有三个参数,分别为int,float,和字符串类型:
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values={'string':'this is string','float':3.5,'int':15}
groupboxtitle='please set values:'
title='qinputbox:'
rvalues=qinputbox(values=values,groupboxtitle=groupboxtitle,title=title)
print(rvalues)
生成的gui界面如下:
返回的结果中我们注意到字典rvalues里面数据的类型和字典valuse中时一致的.
也就是说:
如果values中是整数,那么rvalue中的值也是整数;
如果value中是浮点数,那么rvalue中的值也是浮点数;
如果value中是字符串,那么rvalue中的值也是字符串;
目前只支持这三种类型.但对values中输入参数并没有没有数目限制.
对于不会使用pip的新手，可以复制下面的文件：
#-*- coding:utf-8 -*-
#~ #--------------------------------------------------------------------------------
#~ module:wlab
#~ filename=wpyqtinput.py
#~class:qinputgroupbox,qinputdialog,qinputbox
#~ author:wu xuping
#~ date:2013-05-06
#~ email:539688300@qq.com
#~ remark:based on pyqt4 or pyside
#~ #-------------------------------------------------
try:
from pyqt4 import qtgui
from pyqt4 import qtcore
from pyqt4.qtcore import pyqtslot
from pyqt4.qtcore import pyqtsignal
ispyqt=true
ispyside=false
except importerror:
from pyside import qtgui
from pyside import qtcore
from pyside.qtcore import slot as pyqtslot
from pyside.qtcore import signal as pyqtsignal
ispyqt=false
ispyside=true
#~ #-------------------------------------------------
#~ #-------------------------------------------------
#~ #将字符串一特定的长度输出
def formatstr(maxstrlength,s):
if (len(s)<maxstrlength):
for n in range(maxstrlength-len(s)):
s=' '+s
rs=str(s)+':'
return rs
class intlineedit(qtgui.qlineedit):
def __init__ (self,num=0):
'''
#~ intlineedit(num)
'''
qtgui.qlineedit.__init__ (self)
self.num=num
self.settext(str(self.num))
@pyqtslot(int)
def setvalue(self,n):
self.settext(str(n))
return (self.num,n)
class floatlineedit(qtgui.qlineedit):
def __init__ (self,num=0.0):
'''
#~ floatlineedit(num)
'''
qtgui.qlineedit.__init__ (self)
self.num=num
self.settext(str(self.num))
@pyqtslot(int)
def setvalue(self,n):
if ( self.num>0):
self.settext(str(self.num+n*self.num/50.0))
else:
self.settext(str(self.num-n*self.num/50.0))
return (self.num,n)
#~ #-------------------------------------------------
class qinputgroupbox(qtgui.qgroupbox):
def __init__(self, values={'string':'this is string','float':3.5,'int':15},title='please set values',ntimes=2.0,parent=none):
'''
#~#---------------------------------------------------
#~#examples:
#~#---------------------------------------------------
#~ >>>values={'string':'this is string','float':3.5,'int':15}
#~ >>>groupboxtitle='please set values'
#~ >>>self.qigbox=qinputgroupbox(values=values,title=groupboxtitle,ntimes=2.0,parent=self)
#~ >>>rvalues=self.qigbox.getoriginvalue()
#~ >>>rvalues=self.qigbox.getmodifiedvalues()
#~#---------------------------------------------------
#~#parameters:
#~#---------------------------------------------------
#~#values={'string':'this is string','float':3.5,'int':15}
#~#title='please set values'
#~#ntimes=2.0
#~#parent=none
'''
qtgui.qgroupbox.__init__ (self, title=title,parent = parent)
self.originvalues=values.copy()
self.modifiedvalues=values.copy()
maxstrlength=max([len(str(s)) for s in list(values.keys())])
layout = qtgui.qgridlayout()
cnt=0
for key in self.modifiedvalues:
label=formatstr(maxstrlength,str(key))
keylabel=qtgui.qlabel(label)
layout.addwidget(keylabel, cnt, 0)
ovk=self.modifiedvalues[key]
if(type(ovk)==int) :
valuelineedit=intlineedit(ovk)
layout.addwidget(valuelineedit, cnt , 1)
slider=qtgui.qslider(orientation= qtcore.qt.horizontal)
if (ovk>0):
slider.setrange( ovk/(ntimes+1), ovk*(ntimes+1))
elif (ovk==0):
slider.setrange( -5*(ntimes+1), 5*(ntimes+1))
else:
slider.setrange(ovk*(ntimes+1),ovk/(ntimes+1))
slider.setvalue(ovk)
qtcore.qobject.connect(slider,qtcore.signal('valuechanged(int)'),
valuelineedit, qtcore.slot('setvalue(int)'))
layout.addwidget(slider, cnt ,2)
elif(type(ovk)==float) :
valuelineedit=floatlineedit(ovk)
layout.addwidget(valuelineedit, cnt , 1)
slider=qtgui.qslider(orientation= qtcore.qt.horizontal)
slider.setrange( -50*ntimes, 50*ntimes)
qtcore.qobject.connect(slider,qtcore.signal('valuechanged(int)'),
valuelineedit, qtcore.slot('setvalue(int)'))
layout.addwidget(slider, cnt ,2)
else:
valuelineedit=qtgui.qlineedit(ovk)
layout.addwidget(valuelineedit, cnt, 1,1,2)
#~ #set an object name for qlineedit,later we can use findchild() to find it
valuelineedit.setobjectname('vle'+str(cnt))
layout.setrowstretch(cnt,5)
cnt=cnt+1
layout.setcolumnstretch(0, 1)
layout.setcolumnstretch(1, 5)
layout.setcolumnstretch(2, 10)
self.setlayout(layout)
def getoriginvalue(self):
'''
#~ if the user click btn_cancel,then return originvalues
'''
return self.originvalues
def getmodifiedvalues(self):
'''
#~ if the user click btn_ok,then return self.modifiedvalues
'''
cnt=0
for key in self.modifiedvalues:
keystr=str(key)
vleobjectname='vle'+str(cnt)
if (ispyqt):
vle=self.findchild((qtgui.qlineedit, ),vleobjectname)
else:
vle=self.findchild(qtgui.qlineedit,vleobjectname)
cnt=cnt+1
ovk=self.modifiedvalues[key]
if(type(ovk)==int):
self.modifiedvalues[key]=int(vle.text())
elif(type(ovk)==float):
self.modifiedvalues[key]=float(vle.text())
else:
self.modifiedvalues[key]=str(vle.text())
return self.modifiedvalues
#~ #-------------------------------------------------
class qinputdialog(qtgui.qdialog):
def __init__(self, values={'string':'this is string','float':3.5,'int':15},groupboxtitle='please set values',title='qinputdialog:',parent=none):
'''
#~ >>>values={'string':'this is string','float':3.5,'int':15}
#~ >>>groupboxtitle='please set values'
#~ >>>title='qinputdialog:'
#~ >>>dlg = qinputdialog(values=values,groupboxtitle=groupboxtitle,title=title,parent=none)
#~ >>>if ( dlg.exec_() == qtgui.qdialog.accepted):
#~ >>> rvalues = dlg.getmodifiedvalues()
#~ >>>else:
#~ >>> rvalues = dlg.getoriginvalue()
'''
qtgui.qdialog.__init__(self, parent=parent)
self.setwindowtitle(title)
self.qigbox=qinputgroupbox(values=values,title=groupboxtitle,parent=self)
self.vbox = qtgui.qvboxlayout()
self.vbox.addwidget(self.qigbox)
self.btn_ok=qtgui.qdialogbuttonbox(qtgui.qdialogbuttonbox.ok)
self.btn_cancel=qtgui.qdialogbuttonbox(qtgui.qdialogbuttonbox.cancel)
self.btn_ok.clicked.connect(self.accept )
self.btn_cancel.clicked.connect(self.reject)
hbox = qtgui.qhboxlayout()
hbox.addwidget(self.btn_ok)
hbox.addwidget(self.btn_cancel)
self.vbox.addlayout(hbox)
self.setlayout(self.vbox)
def getoriginvalue(self):
'''
#~ if the user click btn_cancel,then return originvalues
'''
return self.qigbox.getoriginvalue()
def getmodifiedvalues(self):
'''
#~ if the user click btn_ok,then return self.modifiedvalues
'''
return self.qigbox.getmodifiedvalues()
#~ #-------------------------------------------------
#~ #good packaging qinputbox
def qinputbox(values={'string':'this is string','float':3.5,'int':15},groupboxtitle='please set values',title='qinputbox'):
'''
#~ >>>values={'string':'this is string','float':3.5,'int':15}
#~ >>>groupboxtitle='please set values'
#~ >>>title='qinputbox'
#~ >>>rvalues=qinputbox(values=values,groupboxtitle=groupboxtitle,title=title)
#~ >>>print(rvalues)
#~ #>>>rvalues=qinputbox(values,groupboxtitle)
#~ #>>>rvalues=qinputbox(values)
#~ #>>>rvalues=qinputbox()
'''
#app = qtgui.qapplication(sys.argv)#已自动创建，无需再创建
dlg = qinputdialog(values=values,groupboxtitle=groupboxtitle,title=title)
if ( dlg.exec_() == qtgui.qdialog.accepted):
rvalues = dlg.getmodifiedvalues()
else:
rvalues = dlg.getoriginvalue()
return rvalues
#~ #---------------------------------------------------------------------------------------------------------
#~ # main test program for __wpyqtinput__.py
#~ #---------------------------------------------------------------------------------------------------------
if __name__ == '__main__':
#----------------------------------------------------------------------------------------
try:
from pyqt4 import qtgui
from pyqt4 import qtcore
from pyqt4.qtcore import pyqtslot
from pyqt4.qtcore import pyqtsignal
ispyqt=true
ispyside=false
except importerror:
from pyside import qtgui
from pyside import qtcore
from pyside.qtcore import slot as pyqtslot
from pyside.qtcore import signal as pyqtsignal
#----------------------------------------------------------------------------------------
import sys
app = qtgui.qapplication(sys.argv)#创建qt进程app
#----------------------------------------------------------------------------------------
#示例1
values={'string':'this is string','float':-3.5,'int':-15}
groupboxtitle='please set values'
title='the first example of qinputbox '
rvalues=qinputbox(values=values,groupboxtitle=groupboxtitle,title=title)
print(rvalues)
#>>>{'int': -15, 'float': -3.5, 'string': 'this is string'}
#----------------------------------------------------------------------------------------
#示例2
from collections import ordereddict
values=ordereddict([('c', 1), (2, 2), ('a', 3)])
rvalues1=qinputbox(values=values)
print(rvalues1)
#>>>ordereddict([('c', 1), (2, 2), ('a', 3)])
#----------------------------------------------------------------------------------------
#示例3
values={'string':'this is string','float':-3.5,'int':-15}
groupboxtitle='please set values'
title='qinputbox'
rvalues2=qinputbox(values=values,groupboxtitle=groupboxtitle,title=title)
print(rvalues2)
#>>>{'int': -15, 'float': -3.5, 'string': 'this is string'}
#----------------------------------------------------------------------------------------
sys.exit(app.exec_())
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