--- a/TextCtrlAutoComplete.py Thu Oct 22 11:28:11 2009 +0200
+++ b/TextCtrlAutoComplete.py Thu Oct 22 17:20:24 2009 +0200
@@ -27,11 +27,88 @@
+if wx.Platform == '__WXMSW__': + ITEM_INTERVAL_HEIGHT = 3 + ITEM_INTERVAL_HEIGHT = 6 +if wx.Platform == '__WXMSW__': + popupclass = wx.PopupTransientWindow + popupclass = wx.PopupWindow +class PopupWithListbox(popupclass): + def __init__(self, parent, choices=[]): + popupclass.__init__(self, parent, wx.SIMPLE_BORDER) + self.ListBox = wx.ListBox(self, -1, style=wx.LB_HSCROLL|wx.LB_SINGLE|wx.LB_SORT) + if not wx.Platform == '__WXMSW__': + self.ListBox.Bind(wx.EVT_LISTBOX, self.OnListBoxClick) + self.ListBox.Bind(wx.EVT_LISTBOX_DCLICK, self.OnListBoxClick) + self.SetChoices(choices) + self.Bind(wx.EVT_KEY_DOWN, self.OnKeyDown) + def SetChoices(self, choices): + self.ListBox.Append(choice) + w, h = self.ListBox.GetTextExtent(choice) + max_text_width = max(max_text_width, w) + max_text_height = max(max_text_height, h) + itemcount = min(len(choices), MAX_ITEM_SHOWN) + width = self.Parent.GetSize()[0] + height = max_text_height * itemcount + ITEM_INTERVAL_HEIGHT * (itemcount + 1) + if max_text_width + 10 > width: + size = wx.Size(width, height) + self.ListBox.SetSize(size) + self.SetClientSize(size) + def MoveSelection(self, direction): + selected = self.ListBox.GetSelection() + if selected == wx.NOT_FOUND: + selected = self.ListBox.GetCount() - 1 + selected = (selected + direction) % (self.ListBox.GetCount() + 1) + if selected == self.ListBox.GetCount(): + selected = wx.NOT_FOUND + self.ListBox.SetSelection(selected) + def GetSelection(self): + return self.ListBox.GetStringSelection() + def ProcessLeftDown(self, event): + selected = self.ListBox.HitTest(wx.Point(event.m_x, event.m_y)) + if selected != wx.NOT_FOUND: + wx.CallAfter(self.Parent.SetValueFromSelected, self.ListBox.GetString(selected)) + def OnListBoxClick(self, event): + selected = event.GetSelection() + if selected != wx.NOT_FOUND: + wx.CallAfter(self.Parent.SetValueFromSelected, self.ListBox.GetString(selected)) + def OnKeyDown(self, event): + self.Parent.ProcessEvent(event) + self.Parent.listbox = None + wx.CallAfter(self.Parent.DismissListBox) class TextCtrlAutoComplete(wx.TextCtrl):
- def __init__ (self, parent, choices=None, dropDownClick=True,
+ def __init__ (self, parent, appframe, choices=None, dropDownClick=True, element_path=None, **therest):
Constructor works just like wx.TextCtrl except you can pass in a
@@ -42,7 +119,8 @@
therest['style'] = wx.TE_PROCESS_ENTER | therest.get('style', 0)
wx.TextCtrl.__init__(self, parent, **therest)
+ self.AppFrame = appframe self._dropDownClick = dropDownClick
self._lastinsertionpoint = None
@@ -50,15 +128,7 @@
self._screenheight = wx.SystemSettings.GetMetric(wx.SYS_SCREEN_Y)
self.element_path = element_path
- self.dropdown = wx.PopupWindow(self)
- flags = wx.LB_HSCROLL | wx.LB_SINGLE | wx.LB_SORT
- #Create the list and bind the events
- self.dropdownlistbox = wx.ListBox(self.dropdown, style=flags,
@@ -68,66 +138,56 @@
# gp.Bind ( wx.EVT_SIZE , self.onControlChanged, gp )
- self.Bind(wx.EVT_KILL_FOCUS, self.onControlChanged, self)
- self.Bind(wx.EVT_TEXT_ENTER, self.onControlChanged, self)
- self.Bind(wx.EVT_TEXT, self.onEnteredText, self)
- self.Bind(wx.EVT_KEY_DOWN, self.onKeyDown, self)
+ self.Bind(wx.EVT_KILL_FOCUS, self.OnControlChanged) + self.Bind(wx.EVT_TEXT_ENTER, self.OnControlChanged) + self.Bind(wx.EVT_TEXT, self.OnEnteredText) + self.Bind(wx.EVT_KEY_DOWN, self.OnKeyDown) #If need drop down on left click
- self.Bind(wx.EVT_LEFT_DOWN , self.onClickToggleDown, self)
- self.Bind(wx.EVT_LEFT_UP , self.onClickToggleUp, self)
+ self.Bind(wx.EVT_LEFT_DOWN, self.OnClickToggleDown) + self.Bind(wx.EVT_LEFT_UP, self.OnClickToggleUp) - self.dropdownlistbox.Bind(wx.EVT_LISTBOX, self.onListItemSelected)
- self.dropdownlistbox.Bind(wx.EVT_LISTBOX_DCLICK, self.onListItemSelected)
def ChangeValue(self, value):
wx.TextCtrl.ChangeValue(self, value)
- self._refreshListBoxChoices()
+ self.RefreshListBoxChoices() - def onEnteredText(self, event):
- wx.CallAfter(self._refreshListBoxChoices)
+ def OnEnteredText(self, event): + wx.CallAfter(self.RefreshListBoxChoices) - def onKeyDown(self, event) :
+ def OnKeyDown(self, event): """ Do some work when the user press on the keys:
up and down: move the cursor
- visible = self.dropdown.IsShown()
keycode = event.GetKeyCode()
if keycode in [wx.WXK_DOWN, wx.WXK_UP]:
- elif keycode == wx.WXK_DOWN:
+ if keycode == wx.WXK_DOWN: + self.listbox.MoveSelection(1) - self._moveSelection(-1)
- elif keycode in [wx.WXK_LEFT, wx.WXK_RIGHT, wx.WXK_RETURN] and visible:
- if self.dropdownlistbox.GetSelection() != wx.NOT_FOUND:
- self._setValueFromSelected()
- self._showDropDown(False)
+ self.listbox.MoveSelection(-1) + elif keycode in [wx.WXK_LEFT, wx.WXK_RIGHT, wx.WXK_RETURN] and self.listbox is not None: + self.SetValueFromSelected(self.listbox.GetSelection()) elif event.GetKeyCode() == wx.WXK_ESCAPE:
- self._showDropDown(False)
- def onListItemSelected(self, event):
- self._setValueFromSelected()
- def onClickToggleDown(self, event):
+ def OnClickToggleDown(self, event): self._lastinsertionpoint = self.GetInsertionPoint()
- def onClickToggleUp(self, event):
+ def OnClickToggleUp(self, event): if self.GetInsertionPoint() == self._lastinsertionpoint:
- self._showDropDown(not self.dropdown.IsShown())
+ wx.CallAfter(self.PopupListBox) self._lastinsertionpoint = None
- def onControlChanged(self, event):
+ def OnControlChanged(self, event): config = wx.ConfigBase.Get()
listentries = cPickle.loads(str(config.Read(self.element_path, cPickle.dumps([]))))
@@ -136,72 +196,55 @@
config.Write(self.element_path, cPickle.dumps(listentries))
self.SetChoices(listentries)
- self._showDropDown(False)
def SetChoices(self, choices):
- self._refreshListBoxChoices()
+ self.RefreshListBoxChoices() -#-------------------------------------------------------------------------------
-#-------------------------------------------------------------------------------
- def _refreshListBoxChoices(self):
- self.dropdownlistbox.Clear()
- for choice in self._choices:
- if choice.startswith(text):
- self.dropdownlistbox.Append(choice)
- itemcount = min(len(self.dropdownlistbox.GetStrings()), MAX_ITEM_SHOWN)
- self.popupsize = wx.Size(self.GetSize()[0], ITEM_HEIGHT * itemcount + 4)
- self.dropdownlistbox.SetSize(self.popupsize)
- self.dropdown.SetClientSize(self.popupsize)
- def _moveSelection(self, direction):
- selected = self.dropdownlistbox.GetSelection()
- if selected == wx.NOT_FOUND:
- selected = self.dropdownlistbox.GetCount() - 1
- selected = (selected + direction) % (self.dropdownlistbox.GetCount() + 1)
- if selected == self.dropdownlistbox.GetCount():
- selected = wx.NOT_FOUND
- self.dropdownlistbox.SetSelection(selected)
- def _setValueFromSelected(self):
+ def SetValueFromSelected(self, selected): Sets the wx.TextCtrl value from the selected wx.ListCtrl item.
Will do nothing if no item is selected in the wx.ListCtrl.
- selected = self.dropdownlistbox.GetStringSelection()
- self._showDropDown(False)
+ def RefreshListBoxChoices(self): + if self.listbox is not None: + choices = [choice for choice in self._choices if choice.startswith(text)] + self.listbox.SetChoices(choices) - def _showDropDown(self, show=True) :
- Either display the drop down list (show = True) or hide it (show = False).
- size = self.dropdown.GetSize()
- width, height = self.GetSizeTuple()
- x, y = self.ClientToScreenXY(0, height)
- if size.GetWidth() != width :
- self.dropdown.SetSize(size)
- self.dropdownlistbox.SetSize(self.dropdown.GetClientSize())
- if (y + size.GetHeight()) < self._screenheight :
- self.dropdown.SetPosition(wx.Point(x, y))
+ def PopupListBox(self): + if self.listbox is None: + self.listbox = PopupWithListbox(self) + # Show the popup right below or above the button + # depending on available screen space... + pos = self.ClientToScreen((0, 0)) + self.listbox.Position(pos, (0, sz[1])) + self.RefreshListBoxChoices() + if wx.Platform == '__WXMSW__': - self.dropdown.SetPosition(wx.Point(x, y - height - size.GetHeight()))
- self.dropdown.Show(show)
+ self.AppFrame.EnableScrolling(False) + def DismissListBox(self): + if self.listbox is not None: + if wx.Platform == '__WXMSW__': + self.AppFrame.EnableScrolling(True)