一些WxPython的使用方法（3）

爱被打了一巴掌 2022-04-14 03:47 281阅读 0赞

chapter 14

#coding=gbk
    '''
    Created on 2018年11月21日
    
    @author: Administrator
    '''
    import wx 
    import os
    # WxPython 中的菜单， 窗口和对话框控件
    
    
    
    #窗口， MDI 窗口，多文档窗口，由多个窗口或其他组件组成
    def test_mdiframe():
        class MDIframe(wx.MDIParentFrame):
            def __init__(self):
                wx.MDIParentFrame.__init__(self, None, -1, u'MDI', size=(300, 300))
                menubar = wx.MenuBar()  # 添加菜单栏
                self.SetMenuBar(menubar)
                
                menu = wx.Menu()
                menu.Append(100, u'新建')
                menu.Append(101, u'退出')
                
                menubar.Append(menu, u'文件')
                self.Bind(wx.EVT_MENU, self.OnNewWindow, id=100)    #绑定菜单栏的事件
                self.Bind(wx.EVT_MENU, self.OnExit, id=101)
                
            def OnExit(self, event):
                self.Close(True)
            def OnNewWindow(self, event):
                win = wx.MDIChildFrame(self, -1, u'子窗口')    #创建子窗口
                win.Show(True)
            
        app = wx.App()
        frame = MDIframe()
        frame.Show()
        app.MainLoop()
        
    # test_mdiframe()
    
    #1,对话框：分为模态对话框，提示对话框，文本对话框，打开文件对话框,对话框都是继承与 wx.Dialog 类
    #对话框与Frame 类似，不同的是对话框表示一次信息交换的过程，需要最后关闭
    # 使用Show() 方法显示的对话框为非模态对话框，使用ShowModal() 方法的是模态对话框，用户必须关闭对话框之后，才能对主程序窗口进行操作
    #提示对话框
    def test_dialog():
        class MyFrame(wx.Frame):
            def __init__(self):
                wx.Frame.__init__(self, None, -1, u'自定义对话框', size=(300, 150))  # 这里自定义 parent 为  None
                MenuHelp = wx.Menu()            #创建菜单
                MenuShow = wx.Menu()
                
                aboutMenu = MenuHelp.Append(-1, u'关于')
                MenuShow.Append(100, u'文件')     # 在 帮助 栏，增加子栏
                MenuShow.Append(101, u'退出')
                
                menuBar = wx.MenuBar()      #添加菜单栏
                menuBar.Append(MenuHelp, u'帮助') # 把菜单添加到 菜单栏中
                menuBar.Append(MenuShow, u'显示')
                
                self.Bind(wx.EVT_TOOL, self.ShowAboutDlg, aboutMenu)
                self.Bind(wx.EVT_MENU, self.OnHello, id=100)  #id 为菜单编号
                self.Bind(wx.EVT_MENU, self.OnExit, id=101)
                
                button = wx.Button(self, wx.ID_OK, u'离开', pos=(5, 5), size=(5, 5))    #设置一个按钮
                button.SetDefault()
                self.Bind(wx.EVT_BUTTON, self.Click, button)
                
                
                self.SetMenuBar(menuBar)
            
            def ShowAboutDlg(self, event):    
                pos = self.GetPosition()
                dialog = MyDialog(self, -1, u'&m关于')
                dialog.SetPosition((pos[0] + 100, pos[1] + 60))
                
            def OnHello(self, event):
                wx.MessageBox(u'你好', u'提示')
                
            def OnExit(self, event):
                self.Close(True)
                
            def Click(self, event):
                dlg = wx.MessageDialog(None, u'是否退出',u'退出 ', wx.YES_NO | wx.ICON_QUESTION)  #创建对话框
                if dlg.ShowModal() == wx.ID_YES:    #判断用户的选择
                    frame.Close()
                dlg.Destroy()
                
                
                
        class MyDialog(wx.Dialog):
            def __init__(self, parent, id, title):
                wx.Dialog.__init__(self, parent, id, title, size=(100, 100))
                self.panel = wx.Panel(self)
                self.OKBtn = wx.Button(self, 10, u'确定', pos=(10, 20), size=(80, 30))
                
                self.Bind(wx.EVT_BUTTON, self.CloseDlg, self.OKBtn)
                self.Show()
                
            def CloseDlg(self, event):
                self.Close()
                
        app =  wx.App()
        frame = MyFrame()
        frame.Show()
        app.MainLoop()
    # test_dialog()
    
    #文本输入对话框
    def test_text_dialog():
        class MyFrame(wx.Frame):
            def __init__(self):
                wx.MDIParentFrame.__init__(self, None, -1, u'text', size=(300, 300))
                panel = wx.Panel(self, -1)
                self.textCtrl = wx.TextCtrl(panel, -1, '', pos=(10, 10),size=(60, 30), style=wx.TE_PROCESS_ENTER)
                self.textCtrl.Bind(wx.EVT_TEXT_ENTER, self.OnClick, self.textCtrl)  #按 enter 键
                
            def OnClick(self, event):
                self.dialog = wx.TextEntryDialog(None, u'输入文本', u'文本对话框', '', style=wx.OK | wx.CANCEL)
                if self.dialog.ShowModal() == wx.ID_OK:
                    self.textCtrl.SetLabel(self.dialog.GetValue())   #在 文本框中打印出 输入的字符串
            
            
            
        app = wx.App()
        frame = MyFrame()
        frame.Show()
        app.MainLoop()
        
    # test_text_dialog()
    def ShowFileDialog():    
                filterFile = 'Python source(*.py) | *.py | all files (*.*) |*.*'    #过滤的文件，选择.py 格式的数据
                dialog = wx.FileDialog(None, u'选择文件', os.getcwd(), '', filterFile, wx.FLP_OPEN) #获取当前文件的路径
                dialog.ShowModal()
                dialog.Destroy()
    app = wx.App()    
    # ShowFileDialog()
    
    #窗口与对话框交互， 通过2 个方法： TransferToWindow(), TransferFromWindow
    # 计算 输入的 2 个值 的和
    def test_add_dialog():
        class MyFrame(wx.Frame):
            def __init__(self):
                wx.Frame.__init__(self, None, -1, u'text', size=(300, 300))
                panel = wx.Panel(self, -1)
                sizer = wx.BoxSizer(wx.HORIZONTAL)
                self.addTextCtrl1 = wx.TextCtrl(panel, -1, '', pos=(10, 10))    #定义文本与按钮
                add = wx.StaticText(panel, -1, '+')
                self.addTextCtrl2 = wx.TextCtrl(panel, -1, '')
                self.result = wx.TextCtrl(panel, -1, '', pos=(40, 50))
                btn = wx.Button(panel, -1, u'计算')
                
                btn.Bind(wx.EVT_BUTTON, self.OnClick, btn)
                sizer.Add(self.addTextCtrl1)
                sizer.Add(add)
                sizer.Add(self.addTextCtrl2)
                sizer.Add(btn)
                panel.SetSizer(sizer)
                panel.Fit()
                
            def OnClick(self, event):
                data = {0: self.addTextCtrl1.GetValue(), 1: self.addTextCtrl2.GetValue()}   #将数据存放到字典中
                #方法 1
    #             result = float(data[0]) + float(data[1])    #需要先转换成  float 型 
    #             result = str(result)    # 还需要将其 转换成字符串输出
    #             self.result.SetLabel(result)
                dlg = MyDialog(data)
                dlg.ShowModal()
                dlg.Destroy()
        
        class MyDialog(wx.Dialog):
            def __init__(self, data):
                wx.Dialog.__init__(self, None, id=-1, title=u'验证器', size=(100, 100))
                addStaticText = wx.StaticText(self, -1, u'数字1')
                addStaticText2 = wx.StaticText(self, -1, u'数字2')
                self.addTextCtrl = wx.TextCtrl(self, validator = DataValidator(data, 0))
                self.addTextCtrl2 = wx.TextCtrl(self, validator = DataValidator(data, 1))
                
                btn = wx.Button(self, wx.ID_OK, u'确定')
                self.Bind(wx.EVT_BUTTON, self.OnClick, btn)
                btn.SetDefault()
                
                sizer = wx.BoxSizer(wx.VERTICAL)
                gridsizer = wx.FlexGridSizer(2, 2, 5, 5)
                gridsizer.Add(addStaticText, 0, wx.ALIGN_LEFT)
                gridsizer.Add(self.addTextCtrl, 0, wx.EXPAND)
                gridsizer.Add(addStaticText2, 0, wx.ALIGN_LEFT)
                gridsizer.Add(self.addTextCtrl2, 0, wx.EXPAND)
                
                sizer.Add(gridsizer, 0, wx.EXPAND | wx.ALL, 5)
                sizer.Add(btn, 0, 5)
                self.SetSizer(sizer)
                sizer.Fit(self)
                
            def OnClick(self, event):
                result = float(self.addTextCtrl.GetValue()) + float(self.addTextCtrl2.GetValue())
                dlg = wx.MessageBox(str(result), u'结果')
                self.Close()
         
        class DataValidator(wx.PyValidator):       
            def __init__(self, data, key):
                wx.PyValidator.__init__(self)
                self.data = data 
                self.key = key
            
            def Clone(self):
                return DataValidator(self.data, self.key)
            
            def Validate(self, w):
                return True
            
            def TransferToWindow(self):
                textCtrl = self.GetWindow()
                textCtrl.SetValue(self.data.get(self.key, ''))
                return True
            
            def TransferFromWindow(self):
                return True
             
        app = wx.App()
        frame = MyFrame()
        frame.Show()
        app.MainLoop()
        
    # test_add_dialog()

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