在 wxpython 上,使用 Ctrl + A 到 select 所有项目或 select 使用按钮的项目
On wxpython, using Ctrl + A to select all items or select items using button
在 wxpython 上,有什么方法可以 select 使用 Ctrl + A
所有项目而不是在面板上一个接一个地点击项目本身吗?
或者,如果不可能,我们可以设置一个按钮,当它被点击时,ListCtrl
中的所有项目都会被 select 编辑吗?
谢谢
这完全取决于您在面板中的内容。
可以为菜单项分配一个 Accelerator
,即 Ctrl+A,然后只需凭您的聪明才智创建一个在激活时调用的函数,至 select 随便什么。
当然是为了你的 listctrl 查询。您编写了一个绑定到按钮的函数,它使用了 listctrls 函数 Select()
和 GetItemCount()
.
import wx
class MyForm(wx.Frame):
def __init__(self):
wx.Frame.__init__(self, None, wx.ID_ANY, "List Control Select")
panel = wx.Panel(self, wx.ID_ANY)
self.index = 0
self.text = "Timbuktoo"
self.list_ctrl = wx.ListCtrl(panel, size=(750,350),
style=wx.LC_REPORT
|wx.BORDER_SUNKEN
)
self.list_ctrl.InsertColumn(0, 'Subject', width=100)
self.list_ctrl.InsertColumn(1, 'Due', width=150)
self.list_ctrl.InsertColumn(2, 'Location', width=300)
btn = wx.Button(panel, label="Select All")
btn.Bind(wx.EVT_BUTTON, self.OnSelect)
sizer = wx.BoxSizer(wx.VERTICAL)
sizer.Add(self.list_ctrl, 0, wx.ALL|wx.EXPAND, 5)
sizer.Add(btn, 0, wx.ALL|wx.CENTER, 5)
panel.SetSizer(sizer)
for i in range(10):
self.add_line()
def OnSelect(self,event):
for i in range(self.list_ctrl.GetItemCount()):
self.list_ctrl.Select(i)
def add_line(self):
line = "Line %s" % self.index
self.list_ctrl.InsertItem(self.index, line)
self.list_ctrl.SetItem(self.index, 1, "12/06/2020")
self.list_ctrl.SetItem(self.index, 2, self.text)
self.index += 1
self.text = self.text+"1"
if __name__ == "__main__":
app = wx.App()
frame = MyForm()
frame.Show()
app.MainLoop()
正如@所说,control + a可以用wx.Accelerators来实现,下面是python3中基于他的代码的例子:
import wx
class MyForm(wx.Frame):
def __init__(self):
wx.Frame.__init__(self, None, wx.ID_ANY, "List Control Select")
panel = wx.Panel(self, wx.ID_ANY)
self.text = "Timbuktoo"
self.list_ctrl = wx.ListCtrl(panel, size=(750,350),
style=wx.LC_REPORT
|wx.BORDER_SUNKEN
)
sizer = wx.BoxSizer(wx.VERTICAL)
sizer.Add(self.list_ctrl, 0, 0, 5)
panel.SetSizer(sizer)
#add select all accelerator handler binded to OnSelectAll
ID_SELECT_ALL=wx.NewIdRef(count=1)
self.Bind(wx.EVT_MENU, self.OnSelectAll, id=ID_SELECT_ALL)
self.SetAcceleratorTable(wx.AcceleratorTable([
wx.AcceleratorEntry(wx.ACCEL_CTRL, ord('A'), ID_SELECT_ALL)
]))
self.list_ctrl.InsertColumn(0, 'Subject', width=100)
self.list_ctrl.InsertColumn(1, 'Due', width=150)
self.list_ctrl.InsertColumn(2, 'Location', width=300)
for i in range(10):
self.list_ctrl.InsertItem(i, f"Line {i}")
self.list_ctrl.SetItem(i, 1, "12/06/2020")
self.list_ctrl.SetItem(i, 2, self.text)
self.text = self.text+"1"
def OnSelectAll(self,event):
for i in range(self.list_ctrl.GetItemCount()):
self.list_ctrl.Select(i)
if __name__ == "__main__":
app = wx.App()
frame = MyForm()
frame.Show()
app.MainLoop()
在 wxpython 上,有什么方法可以 select 使用 Ctrl + A
所有项目而不是在面板上一个接一个地点击项目本身吗?
或者,如果不可能,我们可以设置一个按钮,当它被点击时,ListCtrl
中的所有项目都会被 select 编辑吗?
谢谢
这完全取决于您在面板中的内容。
可以为菜单项分配一个 Accelerator
,即 Ctrl+A,然后只需凭您的聪明才智创建一个在激活时调用的函数,至 select 随便什么。
当然是为了你的 listctrl 查询。您编写了一个绑定到按钮的函数,它使用了 listctrls 函数 Select()
和 GetItemCount()
.
import wx
class MyForm(wx.Frame):
def __init__(self):
wx.Frame.__init__(self, None, wx.ID_ANY, "List Control Select")
panel = wx.Panel(self, wx.ID_ANY)
self.index = 0
self.text = "Timbuktoo"
self.list_ctrl = wx.ListCtrl(panel, size=(750,350),
style=wx.LC_REPORT
|wx.BORDER_SUNKEN
)
self.list_ctrl.InsertColumn(0, 'Subject', width=100)
self.list_ctrl.InsertColumn(1, 'Due', width=150)
self.list_ctrl.InsertColumn(2, 'Location', width=300)
btn = wx.Button(panel, label="Select All")
btn.Bind(wx.EVT_BUTTON, self.OnSelect)
sizer = wx.BoxSizer(wx.VERTICAL)
sizer.Add(self.list_ctrl, 0, wx.ALL|wx.EXPAND, 5)
sizer.Add(btn, 0, wx.ALL|wx.CENTER, 5)
panel.SetSizer(sizer)
for i in range(10):
self.add_line()
def OnSelect(self,event):
for i in range(self.list_ctrl.GetItemCount()):
self.list_ctrl.Select(i)
def add_line(self):
line = "Line %s" % self.index
self.list_ctrl.InsertItem(self.index, line)
self.list_ctrl.SetItem(self.index, 1, "12/06/2020")
self.list_ctrl.SetItem(self.index, 2, self.text)
self.index += 1
self.text = self.text+"1"
if __name__ == "__main__":
app = wx.App()
frame = MyForm()
frame.Show()
app.MainLoop()
正如@
import wx
class MyForm(wx.Frame):
def __init__(self):
wx.Frame.__init__(self, None, wx.ID_ANY, "List Control Select")
panel = wx.Panel(self, wx.ID_ANY)
self.text = "Timbuktoo"
self.list_ctrl = wx.ListCtrl(panel, size=(750,350),
style=wx.LC_REPORT
|wx.BORDER_SUNKEN
)
sizer = wx.BoxSizer(wx.VERTICAL)
sizer.Add(self.list_ctrl, 0, 0, 5)
panel.SetSizer(sizer)
#add select all accelerator handler binded to OnSelectAll
ID_SELECT_ALL=wx.NewIdRef(count=1)
self.Bind(wx.EVT_MENU, self.OnSelectAll, id=ID_SELECT_ALL)
self.SetAcceleratorTable(wx.AcceleratorTable([
wx.AcceleratorEntry(wx.ACCEL_CTRL, ord('A'), ID_SELECT_ALL)
]))
self.list_ctrl.InsertColumn(0, 'Subject', width=100)
self.list_ctrl.InsertColumn(1, 'Due', width=150)
self.list_ctrl.InsertColumn(2, 'Location', width=300)
for i in range(10):
self.list_ctrl.InsertItem(i, f"Line {i}")
self.list_ctrl.SetItem(i, 1, "12/06/2020")
self.list_ctrl.SetItem(i, 2, self.text)
self.text = self.text+"1"
def OnSelectAll(self,event):
for i in range(self.list_ctrl.GetItemCount()):
self.list_ctrl.Select(i)
if __name__ == "__main__":
app = wx.App()
frame = MyForm()
frame.Show()
app.MainLoop()