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ajit

Problem with GUIRegisterMsg

5 posts in this topic

#include <GuiToolbar.au3>
#include <GuiConstantsEx.au3>
#include <WindowsConstants.au3>
#include <Constants.au3>
#Include <GuiListView.au3>

Opt('MustDeclareVars', 1)

$Debug_TB = False ; Check ClassName being passed to functions, set to True and use a handle to another control to see it work

Global $hToolbar, $iMemo, $Listview
Global $iItem ; Command identifier of the button associated with the notification.
Global Enum $idNew = 1000, $idOpen, $idSave, $idHelp

_Main()

Func _Main()
    Local $hGUI, $aSize

    ; Create GUI
    $hGUI = GUICreate("Toolbar", 600, 400)
    $hToolbar = _GUICtrlToolbar_Create ($hGUI)
    $aSize = _GUICtrlToolbar_GetMaxSize ($hToolbar)

    $iMemo = GUICtrlCreateEdit("", 2, $aSize[1] + 20, 596, 396 - ($aSize[1] + 250), $WS_VSCROLL)
    GUICtrlSetFont($iMemo, 9, 400, 0, "Courier New")
    GUISetState()
    
    
    GUIRegisterMsg($WM_NOTIFY, "_WM_NOTIFY")
    GUIRegisterMsg($WM_NOTIFY, "WM_NOTIFY_LISTVIEW")
    
    
    
    
    
    ; Add standard system bitmaps
    _GUICtrlToolbar_AddBitmap ($hToolbar, 1, -1, $IDB_STD_LARGE_COLOR)

    ; Add buttons
    _GUICtrlToolbar_AddButton ($hToolbar, $idNew, $STD_FILENEW)
    _GUICtrlToolbar_AddButton ($hToolbar, $idOpen, $STD_FILEOPEN)
    _GUICtrlToolbar_AddButton ($hToolbar, $idSave, $STD_FILESAVE)
    _GUICtrlToolbar_AddButtonSep ($hToolbar)
    _GUICtrlToolbar_AddButton ($hToolbar, $idHelp, $STD_HELP)


    ; Create Listview
    $Listview = GuiCtrlCreateListView("Sr. No.|Date|WeekDay", 2, 190, 596, 180, -1, BitOR($LVS_EX_GRIDLINES, $LVS_EX_FULLROWSELECT)) 
    
    GuiCtrlCreateListViewitem("1|06-06-10|Sunday|", $Listview)
    GuiCtrlCreateListViewitem("1|06-07-10|Monday|", $Listview)
    GuiCtrlCreateListViewitem("1|06-08-10|Tuesday|", $Listview)
    GuiCtrlCreateListViewitem("1|06-09-10|Wednesday|", $Listview)

    ; Loop until user exits
    Do
    Until GUIGetMsg() = $GUI_EVENT_CLOSE

EndFunc   ;==>_Main

; Write message to memo
Func MemoWrite($sMessage = "")
    GUICtrlSetData($iMemo, $sMessage & @CRLF, 1)
EndFunc   ;==>MemoWrite

; WM_NOTIFY event handler
Func _WM_NOTIFY($hWndGUI, $MsgID, $wParam, $lParam)
    #forceref $hWndGUI, $MsgID, $wParam
    Local $tNMHDR, $event, $hwndFrom, $code, $i_idNew, $dwFlags, $lResult, $idFrom, $i_idOld
    Local $tNMTOOLBAR, $tNMTBHOTITEM
    $tNMHDR = DllStructCreate($tagNMHDR, $lParam)
    $hwndFrom = DllStructGetData($tNMHDR, "hWndFrom")
    $idFrom = DllStructGetData($tNMHDR, "IDFrom")
    $code = DllStructGetData($tNMHDR, "Code")
    Switch $hwndFrom
        Case $hToolbar
            Switch $code
                Case $NM_LDOWN
                    ;----------------------------------------------------------------------------------------------
                    MemoWrite("$NM_LDOWN: Clicked Item: " & $iItem & " at index: " & _GUICtrlToolbar_CommandToIndex ($hToolbar, $iItem))
                    
                    If $iItem = 1000 Then run("calc")
                    
                    ;----------------------------------------------------------------------------------------------
                Case $TBN_HOTITEMCHANGE
                    $tNMTBHOTITEM = DllStructCreate($tagNMTBHOTITEM, $lParam)
                    $i_idOld = DllStructGetData($tNMTBHOTITEM, "idOld")
                    $i_idNew = DllStructGetData($tNMTBHOTITEM, "idNew")
                    $iItem = $i_idNew
                    $dwFlags = DllStructGetData($tNMTBHOTITEM, "dwFlags")
                    If BitAND($dwFlags, $HICF_LEAVING) = $HICF_LEAVING Then
                        MemoWrite("$HICF_LEAVING: " & $i_idOld)
                    Else
                        Switch $i_idNew
                            Case $idNew
                                ;----------------------------------------------------------------------------------------------
                                MemoWrite("$TBN_HOTITEMCHANGE: $idNew")
                                ;----------------------------------------------------------------------------------------------
                            Case $idOpen
                                ;----------------------------------------------------------------------------------------------
                                MemoWrite("$TBN_HOTITEMCHANGE: $idOpen")
                                ;----------------------------------------------------------------------------------------------
                            Case $idSave
                                ;----------------------------------------------------------------------------------------------
                                MemoWrite("$TBN_HOTITEMCHANGE: $idSave")
                                ;----------------------------------------------------------------------------------------------
                            Case $idHelp
                                ;----------------------------------------------------------------------------------------------
                                MemoWrite("$TBN_HOTITEMCHANGE: $idHelp")
                                ;----------------------------------------------------------------------------------------------
                        EndSwitch
                    EndIf
            EndSwitch
    EndSwitch
    Return $GUI_RUNDEFMSG
EndFunc   ;==>_WM_NOTIFY


Func WM_NOTIFY_LISTVIEW($hWnd, $iMsg, $iwParam, $ilParam)
    #forceref $hWnd, $iMsg, $iwParam
    Local $hWndFrom, $iIDFrom, $iCode, $tNMHDR, $hWndListView, $tInfo
;~     Local $tBuffer
    $hWndListView = $Listview 
    If Not IsHWnd($Listview ) Then $hWndListView = GUICtrlGetHandle($Listview )

    $tNMHDR = DllStructCreate($tagNMHDR, $ilParam)
    $hWndFrom = HWnd(DllStructGetData($tNMHDR, "hWndFrom"))
    $iIDFrom = DllStructGetData($tNMHDR, "IDFrom")
    $iCode = DllStructGetData($tNMHDR, "Code")
    Switch $hWndFrom
        Case $hWndListView
            Switch $iCode
                Case  $NM_DBLCLK ; Sent by a list-view control when the user double-clicks an item with the left mouse button
                    $tInfo = DllStructCreate($tagNMITEMACTIVATE, $ilParam)
                    MemoWrite("LISTVIEW DOUBLE CLICKED ITEM: " & DllStructGetData($tInfo, "Index") & "  SUBITEM " &  DllStructGetData($tInfo, "SubItem"))
                                        
                Case  $NM_CLICK 
                    $tInfo = DllStructCreate($tagNMITEMACTIVATE, $ilParam)
                    MemoWrite("LISTVIEW SINGLE CLICKED ITEM: " & DllStructGetData($tInfo, "Index") & "  SUBITEM " &  DllStructGetData($tInfo, "SubItem"))
            EndSwitch
    EndSwitch
    Return $GUI_RUNDEFMSG
EndFunc   ;==>WM_NOTIF

I have a GUI script which has a toolbar as well as listview.

I want to get events for both toolbar as well as listview with GUIRegisterMsg that is:

GUIRegisterMsg ($WM_NOTIFY, "Function 1")

GUIRegisterMsg ($WM_NOTIFY, "Function 2")

In my script only one of the functions work depending on the order how I register them. The lower function on my script works for example if I place Function for Toolbar on top, List view will work and toolbar will not work.

Could someone guide me on this?

Thanking in anticipation.

Regards

Ajit

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#2 ·  Posted (edited)

You only register WM_NOTIFY once, to one handler function. The LPARAM and WPARAM data contain the handle of which control is sending the message and other info the function can use to handle multiple cases.

:mellow:

Edit: Example of structure for handler function:

; WM_NOTIFY event handler
Func _WM_NOTIFY($hWndGUI, $MsgID, $wParam, $lParam)

    ; Get Data needed from parameters for either case...
    
    Switch $hwndFrom
        Case $hToolbar
            
            ; Handle toolbar WM_NOTIFY
            
        Case $hWndListView
            
            ; Handle listview WM_NOTIFY
            
    EndSwitch
    Return $GUI_RUNDEFMSG
EndFunc   ;==>_WM_NOTIFY

:P

Edited by PsaltyDS

Valuater's AutoIt 1-2-3, Class... Is now in Session!For those who want somebody to write the script for them: RentACoder"Any technology distinguishable from magic is insufficiently advanced." -- Geek's corollary to Clarke's law

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#3 ·  Posted (edited)

ajit,

Just check which control sent the message within the handler. Remember you need to look for handles not ControlIDs: :mellow:

#include <GuiToolbar.au3>
#include <GuiConstantsEx.au3>
#include <WindowsConstants.au3>
#include <Constants.au3>
#include <GuiListView.au3>

Opt('MustDeclareVars', 1)

$Debug_TB = False ; Check ClassName being passed to functions, set to True and use a handle to another control to see it work

Global $hToolbar, $iMemo, $Listview
Global $iItem ; Command identifier of the button associated with the notification.
Global Enum $idNew = 1000, $idOpen, $idSave, $idHelp

_Main()

Func _Main()
    Local $hGUI, $aSize

    ; Create GUI
    $hGUI = GUICreate("Toolbar", 600, 400)
    $hToolbar = _GUICtrlToolbar_Create($hGUI)
    $aSize = _GUICtrlToolbar_GetMaxSize($hToolbar)

    $iMemo = GUICtrlCreateEdit("", 2, $aSize[1] + 20, 596, 396 - ($aSize[1] + 250), $WS_VSCROLL)
    GUICtrlSetFont($iMemo, 9, 400, 0, "Courier New")
    GUISetState()

    GUIRegisterMsg($WM_NOTIFY, "_WM_NOTIFY")

    ; Add standard system bitmaps
    _GUICtrlToolbar_AddBitmap($hToolbar, 1, -1, $IDB_STD_LARGE_COLOR)

    ; Add buttons
    _GUICtrlToolbar_AddButton($hToolbar, $idNew, $STD_FILENEW)
    _GUICtrlToolbar_AddButton($hToolbar, $idOpen, $STD_FILEOPEN)
    _GUICtrlToolbar_AddButton($hToolbar, $idSave, $STD_FILESAVE)
    _GUICtrlToolbar_AddButtonSep($hToolbar)
    _GUICtrlToolbar_AddButton($hToolbar, $idHelp, $STD_HELP)

    ; Create Listview
    $Listview = GUICtrlCreateListView("Sr. No.|Date|WeekDay", 2, 190, 596, 180, -1, BitOR($LVS_EX_GRIDLINES, $LVS_EX_FULLROWSELECT))

    GUICtrlCreateListViewItem("1|06-06-10|Sunday|", $Listview)
    GUICtrlCreateListViewItem("1|06-07-10|Monday|", $Listview)
    GUICtrlCreateListViewItem("1|06-08-10|Tuesday|", $Listview)
    GUICtrlCreateListViewItem("1|06-09-10|Wednesday|", $Listview)

    ; Loop until user exits
    Do
    Until GUIGetMsg() = $GUI_EVENT_CLOSE

EndFunc   ;==>_Main

; Write message to memo
Func MemoWrite($sMessage = "")
    GUICtrlSetData($iMemo, $sMessage & @CRLF, 1)
EndFunc   ;==>MemoWrite

; WM_NOTIFY event handler
Func _WM_NOTIFY($hWndGUI, $MsgID, $wParam, $lParam)
    #forceref $hWndGUI, $MsgID, $wParam
    Local $tNMHDR, $event, $hwndFrom, $code, $i_idNew, $dwFlags, $lResult, $idFrom, $i_idOld
    Local $tNMTOOLBAR, $tNMTBHOTITEM, $tInfo
    $tNMHDR = DllStructCreate($tagNMHDR, $lParam)
    $hwndFrom = DllStructGetData($tNMHDR, "hWndFrom")
    $idFrom = DllStructGetData($tNMHDR, "IDFrom")
    $code = DllStructGetData($tNMHDR, "Code")
    Switch $hwndFrom
        Case $hToolbar
            Switch $code
                Case $NM_LDOWN
                    ;----------------------------------------------------------------------------------------------
                    MemoWrite("$NM_LDOWN: Clicked Item: " & $iItem & " at index: " & _GUICtrlToolbar_CommandToIndex($hToolbar, $iItem))

                    If $iItem = 1000 Then Run("calc")

                    ;----------------------------------------------------------------------------------------------
                Case $TBN_HOTITEMCHANGE
                    $tNMTBHOTITEM = DllStructCreate($tagNMTBHOTITEM, $lParam)
                    $i_idOld = DllStructGetData($tNMTBHOTITEM, "idOld")
                    $i_idNew = DllStructGetData($tNMTBHOTITEM, "idNew")
                    $iItem = $i_idNew
                    $dwFlags = DllStructGetData($tNMTBHOTITEM, "dwFlags")
                    If BitAND($dwFlags, $HICF_LEAVING) = $HICF_LEAVING Then
                        MemoWrite("$HICF_LEAVING: " & $i_idOld)
                    Else
                        Switch $i_idNew
                            Case $idNew
                                ;----------------------------------------------------------------------------------------------
                                MemoWrite("$TBN_HOTITEMCHANGE: $idNew")
                                ;----------------------------------------------------------------------------------------------
                            Case $idOpen
                                ;----------------------------------------------------------------------------------------------
                                MemoWrite("$TBN_HOTITEMCHANGE: $idOpen")
                                ;----------------------------------------------------------------------------------------------
                            Case $idSave
                                ;----------------------------------------------------------------------------------------------
                                MemoWrite("$TBN_HOTITEMCHANGE: $idSave")
                                ;----------------------------------------------------------------------------------------------
                            Case $idHelp
                                ;----------------------------------------------------------------------------------------------
                                MemoWrite("$TBN_HOTITEMCHANGE: $idHelp")
                                ;----------------------------------------------------------------------------------------------
                        EndSwitch
                    EndIf
            EndSwitch

        Case GUICtrlGetHandle($Listview)
            Switch $code
                Case $NM_DBLCLK ; Sent by a list-view control when the user double-clicks an item with the left mouse button
                    $tInfo = DllStructCreate($tagNMITEMACTIVATE, $lParam)
                    MemoWrite("LISTVIEW DOUBLE CLICKED ITEM: " & DllStructGetData($tInfo, "Index") & "  SUBITEM " & DllStructGetData($tInfo, "SubItem"))

                Case $NM_CLICK
                    $tInfo = DllStructCreate($tagNMITEMACTIVATE, $lParam)
                    MemoWrite("LISTVIEW SINGLE CLICKED ITEM: " & DllStructGetData($tInfo, "Index") & "  SUBITEM " & DllStructGetData($tInfo, "SubItem"))
            EndSwitch
    EndSwitch
    Return $GUI_RUNDEFMSG
EndFunc   ;==>_WM_NOTIFY

M23

Edit: I see the rakishly good-looking waterfowl has already suggested this solution - so it must be right! :P

Edited by Melba23

Any of my own code posted anywhere on the forum is available for use by others without any restriction of any kind._______My UDFs:

Spoiler

ArrayMultiColSort ---- Sort arrays on multiple columns
ChooseFileFolder ---- Single and multiple selections from specified path treeview listing
Date_Time_Convert -- Easily convert date/time formats, including the language used
ExtMsgBox --------- A highly customisable replacement for MsgBox
GUIExtender -------- Extend and retract multiple sections within a GUI
GUIFrame ---------- Subdivide GUIs into many adjustable frames
GUIListViewEx ------- Insert, delete, move, drag, sort, edit and colour ListView items
GUITreeViewEx ------ Check/clear parent and child checkboxes in a TreeView
Marquee ----------- Scrolling tickertape GUIs
NoFocusLines ------- Remove the dotted focus lines from buttons, sliders, radios and checkboxes
Notify ------------- Small notifications on the edge of the display
Scrollbars ----------Automatically sized scrollbars with a single command
StringSize ---------- Automatically size controls to fit text
Toast -------------- Small GUIs which pop out of the notification area

 

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Melba:

Thanks for your help. That was more than I expected. You make coding so much easy to me.

Thanks very much.

Regards

Ajit

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@PsaltyDS:

Thanks very much for the help.

Regards

Ajit

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