极客教程wxPython wx.ToolBar中的GetToolState()函数
在这篇文章中，我们将学习与wxPython的wx.ToolBar类有关的GetToolState()函数。GetToolState()函数获取一个切换工具的开/关状态。如果该工具被打开，它返回True，否则返回False。它只接受toolId作为一个参数来识别工具。
语法。
wx.ToolBar.GetToolState(self, toolId)
参数 :
| 参数 | 输入类型 | 描述 |
|---|---|---|
| toolid | int | 一个整数，在随后的操作中可以通过它来识别该工具。 |
返回类型。
bool
代码示例。
import wx
class Example(wx.Frame):
def __init__(self, *args, **kwargs):
super(Example, self).__init__(*args, **kwargs)
self.InitUI()
def InitUI(self):
self.count = 5
self.locale = wx.Locale(wx.LANGUAGE_ENGLISH)
self.toolbar = self.CreateToolBar()
tundo = self.toolbar.AddTool(wx.ID_UNDO, '', wx.Bitmap('right.png'))
tredo = self.toolbar.AddTool(wx.ID_REDO, '', wx.Bitmap('wrong.png'))
self.toolbar.EnableTool(wx.ID_REDO, False)
self.toolbar.AddSeparator()
self.toolbar.Realize()
self.txt = wx.StaticText(self, 121, "Enabled")
self.Bind(wx.EVT_TOOL, self.OnUndo, tundo)
self.Bind(wx.EVT_TOOL, self.OnRedo, tredo)
self.SetSize((350, 250))
self.SetTitle('Undo redo')
self.Centre()
def OnUndo(self, e):
if(self.toolbar.GetToolState(wx.ID_UNDO)== True):
self.txt.SetLabel("Enabled")
else:
self.txt.SetLabel("Disabled")
if self.count > 1 and self.count <= 5:
self.count = self.count - 1
if self.count == 1:
self.toolbar.EnableTool(wx.ID_UNDO, False)
if self.count == 4:
self.toolbar.EnableTool(wx.ID_REDO, True)
def OnRedo(self, e):
if self.count < 5 and self.count >= 1:
self.count = self.count + 1
if self.count == 5:
self.toolbar.EnableTool(wx.ID_REDO, False)
if self.count == 2:
self.toolbar.EnableTool(wx.ID_UNDO, True)
def OnQuit(self, e):
self.Close()
def main():
app = wx.App()
ex = Example(None)
ex.Show()
app.MainLoop()
if __name__ == '__main__':
main()
输出：
代码示例2。
import wx
class Example(wx.Frame):
def __init__(self, *args, **kwargs):
super(Example, self).__init__(*args, **kwargs)
self.InitUI()
def InitUI(self):
self.count = 5
self.locale = wx.Locale(wx.LANGUAGE_ENGLISH)
self.toolbar = self.CreateToolBar()
tundo = self.toolbar.AddTool(wx.ID_UNDO, '', wx.Bitmap('right.png'))
tredo = self.toolbar.AddTool(wx.ID_REDO, '', wx.Bitmap('wrong.png'))
self.toolbar.EnableTool(wx.ID_REDO, False)
self.toolbar.AddSeparator()
self.toolbar.Realize()
self.txt = wx.StaticText(self, 121, "Enabled")
self.Bind(wx.EVT_TOOL, self.OnUndo, tundo)
self.Bind(wx.EVT_TOOL, self.OnRedo, tredo)
self.SetSize((350, 250))
self.SetTitle('Undo redo')
self.Centre()
def OnUndo(self, e):
if(self.toolbar.GetToolState(wx.ID_UNDO)== True):
print(True)
else:
print(False)
if self.count > 1 and self.count <= 5:
self.count = self.count - 1
if self.count == 1:
self.toolbar.EnableTool(wx.ID_UNDO, False)
if self.count == 4:
self.toolbar.EnableTool(wx.ID_REDO, True)
def OnRedo(self, e):
if self.count < 5 and self.count >= 1:
self.count = self.count + 1
if self.count == 5:
self.toolbar.EnableTool(wx.ID_REDO, False)
if self.count == 2:
self.toolbar.EnableTool(wx.ID_UNDO, True)
def OnQuit(self, e):
self.Close()
def main():
app = wx.App()
ex = Example(None)
ex.Show()
app.MainLoop()
if __name__ == '__main__':
main()
输出。
True
False