X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/8ab15340282fd4c96cda1122a3645d8e7995c3d5..64fa6f167ebb404e5441eddcee5bbd0808466d7a:/wxPython/wx/lib/mixins/listctrl.py diff --git a/wxPython/wx/lib/mixins/listctrl.py b/wxPython/wx/lib/mixins/listctrl.py index 77e49112de..3e5c73a802 100644 --- a/wxPython/wx/lib/mixins/listctrl.py +++ b/wxPython/wx/lib/mixins/listctrl.py @@ -17,7 +17,15 @@ # 12/21/2003 - Jeff Grimmett (grimmtooth@softhome.net) # # o wxColumnSorterMixin -> ColumnSorterMixin -# o wxListCtrlAutoWidthMixin -> ListCtrlAutoWidthMixin +# o wxListCtrlAutoWidthMixin -> ListCtrlAutoWidthMixin +# ... +# 13/10/2004 - Pim Van Heuven (pim@think-wize.com) +# o wxTextEditMixin: Support Horizontal scrolling when TAB is pressed on long +# ListCtrls, support for WXK_DOWN, WXK_UP, performance improvements on +# very long ListCtrls, Support for virtual ListCtrls +# +# 15-Oct-2004 - Robin Dunn +# o wxTextEditMixin: Added Shift-TAB support # import locale @@ -374,22 +382,35 @@ class TextEditMixin: #editor = wx.TextCtrl(self, -1, pos=(-1,-1), size=(-1,-1), # style=wx.TE_PROCESS_ENTER|wx.TE_PROCESS_TAB \ # |wx.TE_RICH2) + + self.make_editor() + self.Bind(wx.EVT_TEXT_ENTER, self.CloseEditor) + self.Bind(wx.EVT_LEFT_DOWN, self.OnLeftDown) + self.Bind(wx.EVT_LEFT_DCLICK, self.OnLeftDown) + self.Bind(wx.EVT_LIST_ITEM_SELECTED, self.OnItemSelected) + + + def make_editor(self, col_style=wx.LIST_FORMAT_LEFT): editor = wx.PreTextCtrl() - editor.Hide() - editor.Create(self, -1, style=wx.TE_PROCESS_ENTER|wx.TE_PROCESS_TAB|wx.TE_RICH2) + + style =wx.TE_PROCESS_ENTER|wx.TE_PROCESS_TAB|wx.TE_RICH2 + style |= {wx.LIST_FORMAT_LEFT: wx.TE_LEFT, wx.LIST_FORMAT_RIGHT: wx.TE_RIGHT, wx.LIST_FORMAT_CENTRE : wx.TE_CENTRE}[col_style] + + editor.Create(self, -1, style=style) editor.SetBackgroundColour(wx.Colour(red=255,green=255,blue=175)) #Yellow font = self.GetFont() editor.SetFont(font) + self.curRow = 0 + self.curCol = 0 + + editor.Hide() self.editor = editor - self.Bind(wx.EVT_TEXT_ENTER, self.CloseEditor) + + self.col_style = col_style self.editor.Bind(wx.EVT_CHAR, self.OnChar) self.editor.Bind(wx.EVT_KILL_FOCUS, self.CloseEditor) - self.Bind(wx.EVT_LEFT_DOWN, self.OnLeftDown) - self.Bind(wx.EVT_LEFT_DCLICK, self.OnLeftDown) - self.Bind(wx.EVT_LIST_ITEM_SELECTED, self.OnItemSelected) - self.curRow = -1 - + def OnItemSelected(self, evt): self.curRow = evt.GetIndex() @@ -397,11 +418,35 @@ class TextEditMixin: def OnChar(self, event): - ''' Catch the TAB key code so we can open the editor at the next column (if any).''' - if event.GetKeyCode() == wx.WXK_TAB: + ''' Catch the TAB, Shift-TAB, cursor DOWN/UP key code + so we can open the editor at the next column (if any).''' + + keycode = event.GetKeyCode() + if keycode == wx.WXK_TAB and event.ShiftDown(): + self.CloseEditor() + if self.curCol-1 >= 0: + self.OpenEditor(self.curCol-1, self.curRow) + + elif keycode == wx.WXK_TAB: self.CloseEditor() if self.curCol+1 < self.GetColumnCount(): self.OpenEditor(self.curCol+1, self.curRow) + + elif keycode == wx.WXK_ESCAPE: + self.CloseEditor() + + elif keycode == wx.WXK_DOWN: + self.CloseEditor() + if self.curRow+1 < self.GetItemCount(): + self._SelectIndex(self.curRow+1) + self.OpenEditor(self.curCol, self.curRow) + + elif keycode == wx.WXK_UP: + self.CloseEditor() + if self.curRow > 0: + self._SelectIndex(self.curRow-1) + self.OpenEditor(self.curCol, self.curRow) + else: event.Skip() @@ -431,21 +476,50 @@ class TextEditMixin: for n in range(self.GetColumnCount()): loc = loc + self.GetColumnWidth(n) self.col_locs.append(loc) + - col = bisect(self.col_locs, x) - 1 + col = bisect(self.col_locs, x+self.GetScrollPos(wx.HORIZONTAL)) - 1 self.OpenEditor(col, row) def OpenEditor(self, col, row): ''' Opens an editor at the current position. ''' + + if self.GetColumn(col).m_format != self.col_style: + self.make_editor(self.GetColumn(col).m_format) x0 = self.col_locs[col] x1 = self.col_locs[col+1] - x0 + scrolloffset = self.GetScrollPos(wx.HORIZONTAL) + + # scroll foreward + if x0+x1-scrolloffset > self.GetSize()[0]: + if wx.Platform == "__WXMSW__": + # don't start scrolling unless we really need to + offset = x0+x1-self.GetSize()[0]-scrolloffset + # scroll a bit more than what is minimum required + # so we don't have to scroll everytime the user presses TAB + # which is very tireing to the eye + addoffset = self.GetSize()[0]/4 + # but be careful at the end of the list + if addoffset + scrolloffset < self.GetSize()[0]: + offset += addoffset + + self.ScrollList(offset, 0) + scrolloffset = self.GetScrollPos(wx.HORIZONTAL) + else: + # Since we can not programmatically scroll the ListCtrl + # close the editor so the user can scroll and open the editor + # again + self.CloseEditor() + return + y0 = self.GetItemRect(row)[1] editor = self.editor - editor.SetDimensions(x0,y0, x1,-1) + editor.SetDimensions(x0-scrolloffset,y0, x1,-1) + editor.SetValue(self.GetItem(row, col).GetText()) editor.Show() editor.Raise() @@ -460,7 +534,26 @@ class TextEditMixin: ''' Close the editor and save the new value to the ListCtrl. ''' text = self.editor.GetValue() self.editor.Hide() - self.SetStringItem(self.curRow, self.curCol, text) + if self.IsVirtual(): + # replace by whather you use to populate the virtual ListCtrl + # data source + self.SetVirtualData(self.curRow, self.curCol, text) + else: + self.SetStringItem(self.curRow, self.curCol, text) + self.RefreshItem(self.curRow) + + def _SelectIndex(self, row): + listlen = self.GetItemCount() + if row < 0 and not listlen: + return + if row > (listlen-1): + row = listlen -1 + + self.SetItemState(self.curRow, ~wx.LIST_STATE_SELECTED, + wx.LIST_STATE_SELECTED) + self.EnsureVisible(row) + self.SetItemState(row, wx.LIST_STATE_SELECTED, + wx.LIST_STATE_SELECTED)