OnEvent für ListView

[Senten]

Hallo zusammen,

ich habe zu dem Thema zwar schon etwas gefunden, konnte dort aber nicht ganz herausfiltern was für mich notwendig und was überflüssig ist. Darum frage ich hier nach dem absoluten Basic zu dem Thema

Ich versuche gerade irgendwie einen onEventHandler oder eine GUIMsg für eine ListView zu erstellen. Mein Problem ist, wenn ich solch ein Event über GUICtrlSetOnEvent für die ListView erstelle, reagiert sie nur auf einen Klick auf den Rahmen, nicht auf ein Item. Aber genau das möchte ich, dass das Event ausgelöst wird, sobald ich auf ein ListView-Item klicke.

Vielen Dank im Voraus

Edit: ich würde eine Lösung über die GUI_Msg (Switch/Case) bevorzugen. Danke ^^

Edited September 26, 2011 by Senten

[hannes08]

Hallo Senten,

this is an english forum, so you should translate your question to english in order to get proper answers. Or place your questions on www.autoit.de - the german community.

[Senten]

Hallo Senten,

this is an english forum, so you should translate your question to english in order to get proper answers. Or place your questions on www.autoit.de - the german community.

ooops ^^ sorry i thought i was on autoIT.de xD - So this is the reason why i had to register again ^^'

Ok my question was how i can create an onEvent-Handle for Listview-Items. When I use GUICtrlSetOnEvent the Event only reacts on clicks on the title bars and not on the single items. how can i realize that? Furthermore I would prefer a solution using the GUI_Msg Switch/Case.

Edited September 26, 2011 by Senten

[Melba23]

Sentan,

Here is how to detect doubleclicks on ListView items - whether created by the native or UDF commands.

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#include <GUIConstantsEx.au3>
#include <WindowsConstants.au3>
#include <GuiListView.au3>

; Set flag to indicate double click in ListView
Global $fDblClk = False

$Gui = GUICreate("Test", 400, 250)

; This works with either type of ListView

;#cs
$hListView = GUICtrlCreateListView("Items", 2, 2, 220, 196)
_GUICtrlListView_SetColumnWidth($hListView, 0, $LVSCW_AUTOSIZE_USEHEADER)
GUICtrlCreateListViewItem("Item 1", $hListView)
GUICtrlCreateListViewItem("Item 2", $hListView)
GUICtrlCreateListViewItem("Item", $hListView)
GUICtrlCreateListViewItem("Item 4", $hListView)
;#ce
#cs
$hListView = _GUICtrlListView_Create($Gui, "Items", 2, 2, 220, 196, $LVS_REPORT)
_GUICtrlListView_SetColumnWidth($hListView, 0, $LVSCW_AUTOSIZE_USEHEADER)
_GUICtrlListView_AddItem($hListView, "Item 1",0)
_GUICtrlListView_AddItem($hListView, "Item 2",2)
_GUICtrlListView_AddItem($hListView, "Item 3",1)
_GUICtrlListView_AddItem($hListView, "Item 4",3)
#ce

GUISetState()

GUIRegisterMsg($WM_NOTIFY, "WM_NOTIFY")

While 1

    Switch GUIGetMsg()
        Case $GUI_EVENT_CLOSE
            ExitLoop
    EndSwitch

    ; If an item was double clicked
    If $fDblClk Then
        $fDblClk = False
        $hWndListView = $hListView
        If Not IsHWnd($hListView) Then $hWndListView = GUICtrlGetHandle($hListView)
        ConsoleWrite(_GUICtrlListView_GetItemText($hWndListView, _GUICtrlListView_GetSelectedIndices($hWndListView)) & @CRLF)
    EndIf

WEnd

Func WM_NOTIFY($hWnd, $iMsg, $iwParam, $ilParam)

    #forceref $hWnd, $iMsg, $iwParam

    Local $hWndFrom, $iIDFrom, $iCode, $tNMHDR

    $tNMHDR = DllStructCreate($tagNMHDR, $ilParam)
    $hWndFrom = HWnd(DllStructGetData($tNMHDR, "hWndFrom"))
    $iCode = DllStructGetData($tNMHDR, "Code")

    $hWndListView = $hListView
    If Not IsHWnd($hListView) Then $hWndListView = GUICtrlGetHandle($hListView)

    Switch $hWndFrom
        Case $hWndListView
            Switch $iCode
                Case $NM_DBLCLK
                    $fDblClk = True
            EndSwitch
    EndSwitch
    Return $GUI_RUNDEFMSG
EndFunc

If you want to detect clicks, just change the $NM_DBLCLK to $NM_CLICK. But I recommend sticking with the doubleclick - the ListView uses single clicks to set the selected item and I have found that the clicks are sometimes eaten and not passed to the handler.

If you are not very used to using GUIRegisterMsg, could I recommend the GUIRegisterMsg tutorial in the Wiki.

M23