Set Focus to a Control: Difference between revisions

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|<small>Author: [[{{ns:2}}:deguix|deguix]] ([[{{ns:3}}:deguix|talk]], [[{{ns:-1}}:Contributions/deguix|contrib]])</small>
 
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== Description ==
== Description ==
'''Required:''' [[InstallOptions]] or [[InstallOptionsEx]] and [[System]] plugins.
'''Required:''' [[InstallOptions]] or [[InstallOptionsEx]] and [[System]] plugins.
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[[{{ns:14}}:User Interface Functions]]
[[Category:User Interface Functions]]

Revision as of 13:48, 24 June 2005

Author: deguix (talk, contrib)


Description

Required: InstallOptions or InstallOptionsEx and System plugins.

This function sets focus to a control using InstallOptions.

Function Call

Push "Page.ini" ;Page .ini file where the field can be found.
Push "Handle" ;Page handle you got when reserving the page.
Push "Number" ;Field number to set focus.
Call SetFocus

Function Code

;----------------------------------------------------------------------------
; Title             : Set focus to a control
; Short Name        : SetFocus
; Last Changed      : 22/Feb/2005
; Code Type         : Function
; Code Sub-Type     : One-way Input
;----------------------------------------------------------------------------
; Required          : InstallOptions and System plugins.
; Description       : Sets focus to a control using InstallOptions.
;----------------------------------------------------------------------------
; Function Call     : Push "Page.ini"
;                       Page .ini file where the field can be found.
;
;                     Push "Handle"
;                       Page handle you got when reserving the page.
;
;                     Push "Number"
;                       Field number to set focus.
;
;                     Call SetFocus
;----------------------------------------------------------------------------
; Author            : Diego Pedroso
; Author Reg. Name  : deguix
;----------------------------------------------------------------------------
 
Function SetFocus
 
  Exch $0 ; Control Number
  Exch
  Exch $2 ; Page Handle
  Exch
  Exch 2
  Exch $3 ; Page INI File
  Exch 2
  Push $1
  Push $R0
  Push $R1
  Push $R2
  Push $R3
  Push $R4
  Push $R5
 
  IntOp $1 $0 + 1199
  GetDlgItem $1 $2 $1
 
  # Send WM_SETFOCUS message
  System::Call "user32::SetFocus(i r1, i 0x0007, i,i)i"
 
  ReadINIStr $R0 "$3" "Field $0" "Left"
  ReadINIStr $R1 "$3" "Field $0" "Right"
  ReadINIStr $R3 "$3" "Field $0" "Top"
  ReadINIStr $R4 "$3" "Field $0" "Bottom"
  IntOp $R2 $R1 - $R0
  IntOp $R5 $R4 - $R3
 
  System::Call "user32::CreateCaret(i r0, i, i R2, i R5)i"
  System::Call "user32::ShowCaret(i r0)i"
 
  Pop $R5
  Pop $R4
  Pop $R3
  Pop $R2
  Pop $R1
  Pop $R0
  Pop $1
  Pop $0
  Pop $2
  Pop $3
 
FunctionEnd
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