[Gambas-user] Paste into a textarea

T Lee Davidson t.lee.davidson at gmail.com
Mon Jan 27 19:08:07 CET 2020

On 1/27/20 1:15 AM, Bruce wrote:
> Hi folks,
> Is there any way to check or trap that a textarea has just been pasted into?
> It's OK for them to type into it, so the Change event doesn't solve my problem, which is I need to clean up the text that has 
> just been pasted.
> Bruce
> ----[ http://gambaswiki.org/wiki/doc/netiquette ]----

There are two ways that text can be pasted. By keyboard (Ctrl-V) and by mouse (right-click, paste). Trapping the Ctrl-V key 
event is rather trivial. The only way I can think of off hand to trap a right-click & paste is to track and test for a certain 
sequence of events. A mouse paste would consist of a MouseDown event followed by a Change event (there is no MouseUp event on a 

Both methods of pasting can be caught like so:
' Gambas class file

Public bMouseRight As Boolean

Public Sub TextArea1_Change()

   If bMouseRight Then
     Print "Mouse paste"
   bMouseRight = False


Public Sub TextArea1_MouseDown()

   If Mouse.Right Then
     bMouseRight = True
   Else 'Perhaps user clicked to get rid of the right-click menu
     bMouseRight = False


Public Sub TextArea1_KeyPress()

   If Key.Control And If Key.Code = Key["v"] Then Print "Key Paste"


Now as far as cleaning up _only_ the text that has been pasted, perhaps you could also keep track of the Pos property in a 
separate variable so that you know the position of the text cursor prior to the paste.


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