我正在学习wxPython而且我遇到了问题。这是我的代码如下。它确实不起作用。我要做的是在文本区域下方的左上角部分输入一个按钮，显示“输入任务”。我希望文本输入区域和“输入任务”按钮位于列中，以便两者的组合高度等于它们旁边的“开始”和“退出”按钮的高度。有帮助吗？ Sizer让我感到困惑。
import wx
import datetime
class UpperPanel(wx.Panel):
def __init__(self, *args, **kwargs):
wx.Panel.__init__(self, *args, **kwargs)
#Timer
self.timer = wx.Timer(self)
self.Bind(wx.EVT_TIMER, self.Update, self.timer)
#Enter Task Field
self.edit = wx.TextCtrl(self, -1, size=wx.Size(200, -1))
#Enter Task Button
self.button = wx.Button(self, -1, label="Enter!")
self.midpanel = MiddlePanel(self)
self.button.Bind(wx.EVT_BUTTON, self.midpanel.OnEnterPressed)
#Start/Stop Button
self.start_button=wx.Button(self, label="Start", size=(150,50))
self.Bind(wx.EVT_BUTTON, MiddlePanel.StartButton, self.start_button)
#Exit Button
self.exit_button=wx.Button(self, -1, label="Exit", size=(150,50))
self.Bind(wx.EVT_BUTTON, MainWin.CloseButton, self.exit_button)
self.sizer = wx.BoxSizer()
self.sizer.Add(self.edit, 1, wx.EXPAND)
self.sizer.Add(self.start_button, 0, wx.EXPAND)
self.sizer.Add(self.exit_button, 0, wx.EXPAND)
self.SetSizerAndFit(self.sizer)
#=====================================================================
class MiddlePanel(wx.Panel):
def __init__(self, *args, **kwargs):
wx.Panel.__init__(self, *args, **kwargs)
self.sizer = wx.BoxSizer(wx.VERTICAL)
self.SetSizerAndFit(self.sizer)
#Initialize Variables
self.box_height = 100
self.box_count = 0
self.start_time = ''
def OnEnterPressed(self, event):
#Get entered text
uppanel = UpperPanel(self)
self.box_label = uppanel.edit.GetValue()
if self.box_count < 10:
for x in range(0, 1):
chbx1 = wx.CheckBox(self, -1, self.box_label)
txtbx1 = wx.TextCtrl(self, -1)
self.box_height += 30
uppanel.edit.Clear()
print("CLEARED!")
print self.box_count
print uppanel.edit.GetValue()
#self.Layout()
self.box_count += 1
def StartButton(self,event):
self.start_time = datetime.datetime.now()
btn_label = self.start_button.GetLabel()
if btn_label == "Start":
print "starting timer..."
self.timer.Start(1000)
self.start_button.SetLabel("Stop")
else:
print "timer stopped!"
self.timer.Stop()
self.start_button.SetLabel("Start")
print ('Start button pressed.')
def Update(self, event):
seconds = (self.start_time - datetime.datetime.now() +
datetime.timedelta(days=1)).seconds
self.time_text.SetLabel('Time till next task:\n%d hours %d \
minutes %d seconds'
% (seconds / 3600,
(seconds / 60)
% (seconds / 3600 * 60),
seconds % 60))
#======================================================================
class MainWin(wx.Frame):
def __init__(self):
wx.Frame.__init__(self, None)
self.middlePanel = MiddlePanel(self)
self.upperPanel = UpperPanel(self)
self.textArea = wx.TextCtrl(self, size=(-1, 300), style=wx.TE_MULTILINE)
self.sizer = wx.BoxSizer(wx.VERTICAL)
self.sizer.Add(self.upperPanel, 0, wx.EXPAND)
self.sizer.Add(self.middlePanel, 0, wx.EXPAND)
self.sizer.Add(self.textArea, 1, wx.EXPAND)
self.SetSizerAndFit(self.sizer)
#Window Closer
self.Bind(wx.EVT_CLOSE, self.CloseWindow)
#Create Menu Bar
status=self.CreateStatusBar()
menubar=wx.MenuBar()
firstmenu=wx.Menu()
secondmenu=wx.Menu()
firstmenu.Append(wx.NewId(),"Start","Starts the timer.")
firstmenu.Append(wx.NewId(),"Stop","Stops the timer.")
firstmenu.Append(wx.NewId(),"Exit","Exits the program.")
secondmenu.Append(wx.NewId(),"Preferences","Set the timer options.")
secondmenu.Append(wx.NewId(),"Edit task list",
"Add, change, or remove tasks.")
menubar.Append(firstmenu,"File")
menubar.Append(secondmenu,"Edit")
self.SetMenuBar(menubar)
#Static Text
self.st1 = wx.StaticText(self, -1, 'Enter Tasks:')
self.st2 = wx.StaticText(self, -1, 'Created by Spencer Evans')
self.time_text = wx.StaticText(self, -1, '')
def CloseButton(self,event):
#timer.Stop()
self.Close(True)
print ('Closed by Exit button.')
def CloseWindow(self,event):
#timer.Stop()
self.Destroy()
print ('Closed by X\'ing window.')
#========================================================================
#Run program
if __name__ == '__main__':
app = wx.PySimpleApp()
main_win = MainWin()
main_win.Show()
app.MainLoop()
答案 0 :(得分：0)
我真的不知道你的问题在哪里。在我看来，所有已经存在的部分，你只需将它们放在一起。如果我理解了你想要的东西，只需用包含文本字段的面板和带有垂直尺寸标注器的按钮替换文本字段。很好的打字练习，让我建议一个解决方案：
--- /tmp/test.py
+++ /tmp/test2.py
@@ -11,8 +11,19 @@
self.timer = wx.Timer(self)
self.Bind(wx.EVT_TIMER, self.Update, self.timer)
+ # Panel for 'Enter Task' textfield and button
+ enter_task_panel = wx.Panel(self, -1)
+ task_panel_sizer = wx.BoxSizer(wx.VERTICAL)
+ enter_task_panel.SetSizer(task_panel_sizer)
+
#Enter Task Field
- self.edit = wx.TextCtrl(self, -1, size=wx.Size(200, -1))
+ self.edit = wx.TextCtrl(enter_task_panel, -1, size=wx.Size(200, -1))
+ task_panel_sizer.Add(self.edit, 1)
+
+ # 'Enter Task' button
+ enter_task_button = wx.Button(enter_task_panel, -1, "Enter Task")
+ task_panel_sizer.Add(enter_task_button, 1, wx.EXPAND)
+
#Enter Task Button
self.button = wx.Button(self, -1, label="Enter!")
self.midpanel = MiddlePanel(self)
@@ -25,7 +36,7 @@
self.Bind(wx.EVT_BUTTON, MainWin.CloseButton, self.exit_button)
self.sizer = wx.BoxSizer()
- self.sizer.Add(self.edit, 1, wx.EXPAND)
+ self.sizer.Add(enter_task_panel, 1, wx.EXPAND)
self.sizer.Add(self.start_button, 0, wx.EXPAND)
self.sizer.Add(self.exit_button, 0, wx.EXPAND)
Zetcode有关于wxPython的非常好的教程，我只能推荐。