Multiline inputfield shows linenumbers. Need sync scroll.

[Gintaras]

Function line_numbers_example

Code:

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\Dialog_Editor

str dd=
;BEGIN DIALOG
;0 "" 0x90C80AC8 0x0 0 0 176 78 "line numbers+scroll example"
;3 Edit 0x54031844 0x200 27 4 18 37 ""
;4 Edit 0x54231044 0x200 48 4 122 37 ""
;1 Button 0x54030001 0x4 68 56 48 14 "OK"
;2 Button 0x54030000 0x4 120 56 48 14 "Cancel"
;END DIALOG
;DIALOG EDITOR: "" 0x2040301 "*" "" "" ""

str controls = "3 4"
str e3 e4
e4="line_1[]line_2[]line_3[]line_4[]five[]six[]seven"
if(!ShowDialog(dd &sub.DlgProc &controls)) ret


#sub DlgProc
function# hDlg message wParam lParam

;OutWinMsg message wParam lParam

sel message
,case WM_INITDIALOG
,,sub.SetLineNumbers(hDlg) ;; Must pass 'hDlg', even when using 'v' parameter in subfunction 'hDlg' does not get recognized.
,,
,,SetTimer hDlg 1 50 &sub.Timer
,case WM_DESTROY
,case WM_COMMAND goto messages2
ret
;messages2
sel wParam
,case IDOK
,case IDCANCEL
,case EN_CHANGE<<16|4
,,sub.SetLineNumbers(hDlg)
ret 1
;
#sub SetLineNumbers
function int'h_dlg
,int i
,str get_lns set_lns
,get_lns.getwintext(id(4 h_dlg))
,get_lns.trim
,ARRAY(str) ln_arr.create(numlines(get_lns))
,for i 0 ln_arr.len
,,ln_arr[i]=i+1
,_s=ln_arr
,_s.setwintext(id(3 h_dlg))


#sub Timer
function hDlg _m _e _t
int pos=GetScrollPos(id(4 hDlg) SB_VERT)
SendDlgItemMessage hDlg 3 WM_VSCROLL MakeInt(SB_THUMBPOSITION pos) 0