I don't understand this. Why re-invent a good wheel? All I am concerned with is
using it, and trying to resist further breakage by coders who seem not to
realise how useful its current behaviour is.
Take a look at the small example I made, with four SpinCtrl's. There are
several inbuilt native behaviours that I like there.
1. Click inside a SpinCtrl, then crank the mousewheel a bit.
2. Click inside a SpinCtrl, then use arrow keys, including held arrow keys.
3. Double-click in a SpinCtrl, type a single digit, hit Enter...
4. (Important). Click, scroll, or up-arrow to top of range, notice that unlike
with SPIN_CTRL_UPDATED (which used to work this way too, once), the symbolic
text remains shown when the range limit is hit, even though no update signal is
sent for us to respond to now.
5. Use Ctrl+Enter to 'tab' to the next SpinCtrl, Enter a single digit, which
correctly causes symbolic text update even though the text is still there
during entry. Actually this is weird, it only works if the FIRST characters
form a valid integer, which works because the cursor defaults to string start.
There could be more details I missed, but what matters is that there are lots
of small and helpful details in SpinCtrl that make it excellent for fast data
entry tasks, as well as numerically indexing editable tables of complex data
types. For real-world interfacing between collections of items, and the numeric
world in a computer, the SpinCtrl AS IT IS, barring further breakages, is
second to none. Writing it from scratch is a big ask. I dare say it is worth
the effort, but all I want is to see the original working, and not broken any
further. It's dangerously close to becoming useless unless these points are
recognised and understood by everyone in control of coding it.
Andre Arpin <ar...@kingston.net> wrote:
(01/01/2011 18:25)
>
>Replacing the wxTexCtrl by any kind of window should work.
>
>local baseID = wx.wxID_HIGHEST + 1
>frame = wx.wxFrame(wx.NULL,wx.wxID_ANY, 'Test spin control')
>
>local function GetChild(event, index, controlType)
> local wlist = event:GetEventObject():DynamicCast("wxWindow"):GetParent
>():GetChildren()
> return wlist:Item(index):GetData():DynamicCast(controlType)
>end
>
>local function spinEvt(event)
> local spinButton = event:GetEventObject():DynamicCast("wxSpinButton")
> local textControl = GetChild(event, 0, "wxTextCtrl")
> textControl.Value = tostring(spinButton.Value)
>end
>
>local function textEvt(event)
> local textCtrl = event:GetEventObject():DynamicCast("wxTextCtrl")
> local spinButton = GetChild(event, 1, "wxSpinButton")
> local number = tonumber(textCtrl.Value)
> if number then spinButton.Value = number end
>end
>
>function GetSpin(id, position)
> local spinner = wx.wxControl(frame, id, position, wx.wxSize(100,50))
> local tc = wx.wxTextCtrl(spinner, id, 'text', wx.wxPoint(0,0),wx.wxSize
>(50,50))
> local sc = wx.wxSpinButton(spinner, id, wx.wxPoint(50,0), wx.wxSize(50,50))
> sc:Connect(wx.wxEVT_SCROLL_LINEDOWN, spinEvt)
> sc:Connect(wx.wxEVT_SCROLL_LINEUP, spinEvt)
> tc:Connect(wx.wxEVT_KEY_UP, textEvt)
> return spinner
>end
>
>local sp = GetSpin(baseID, wx.wxPoint(0,0) )
>sp = GetSpin(baseID + 1, wx.wxPoint(0,75))
>
>frame:Show(true)
>
>Andre
>
>
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