Unlocks the specified window and hides the drag image, allowing the window to be updated
#include <GuiImageList.au3>
_GUIImageList_DragLeave ( $hWnd )
| $hWnd | Handle to the imagelist |
| Success: | True. |
| Failure: | False. |
#include <Extras\WM_NOTIFY.au3>
#include <GUIConstantsEx.au3>
#include <GuiImageList.au3>
#include <GuiListView.au3>
#include <SendMessage.au3>
#include <WinAPISys.au3>
#include <WindowsConstants.au3>
#Region Globals *************************************************************************
Global $g_ahDragImageList, $g_hListView, $g_bDragging = False, $g_iLV_Height
Global $g_aIndex[2] ; from and to
Global Const $g_iDebugIt = 1
#EndRegion Globals *************************************************************************
Opt("WinTitleMatchMode", 2)
Example()
Func Example()
Local Const $iImage_width = 20
Local Const $iImage_height = 20
Local $hMain_GUI = GUICreate("ImageList Begin Drag (v" & @AutoItVersion & ")", 350, 400)
$g_hListView = _GUICtrlListView_Create($hMain_GUI, "Entry Name|Category", 5, 75, 220, 280, -1, BitOR($WS_EX_CLIENTEDGE, $WS_EX_STATICEDGE))
$g_iLV_Height = 280 - 75
_GUICtrlListView_SetColumnWidth($g_hListView, 0, 100)
_GUICtrlListView_SetColumnWidth($g_hListView, 1, 100)
_GUICtrlListView_SetExtendedListViewStyle($g_hListView, BitOR($LVS_EX_GRIDLINES, $LVS_EX_FULLROWSELECT, $LVS_EX_CHECKBOXES))
;------------------------------------------------------
; Using subitem images
;------------------------------------------------------
_GUICtrlListView_SetExtendedListViewStyle($g_hListView, BitOR($LVM_SETEXTENDEDLISTVIEWSTYLE, $LVS_EX_SUBITEMIMAGES))
;------------------------------------------------------
; create the image list
;------------------------------------------------------
Local $hImages = _GUIImageList_Create($iImage_width, $iImage_height, 5, 1)
For $x = 1 To 21
_GUIImageList_AddIcon($hImages, @SystemDir & "\shell32.dll", $x)
Next
_GUICtrlListView_SetImageList($g_hListView, $hImages, $LVSIL_SMALL)
;------------------------------------------------------
;Register event functions
;------------------------------------------------------
_WM_NOTIFY_Register()
GUIRegisterMsg($WM_LBUTTONUP, "WM_LBUTTONUP")
GUIRegisterMsg($WM_MOUSEMOVE, "WM_MOUSEMOVE")
;------------------------------------------------------
; add listview items with images
;------------------------------------------------------
Local $y = 1
Local $iIndex
For $x = 0 To 9
$iIndex = _GUICtrlListView_AddItem($g_hListView, "Name " & $x + 1, $y) ; handle, string, image index
_GUICtrlListView_AddSubItem($g_hListView, $iIndex, "Category " & $x + 1, 1, $y + 1) ; handle, index, string, subitem, image index
$y += 2
Next
GUISetState(@SW_SHOW)
While 1
Switch GUIGetMsg()
;-----------------------------------------------------------------------------------------
;This case statement exits and updates code if needed
Case $GUI_EVENT_CLOSE
ExitLoop
;-----------------------------------------------------------------------------------------
;put all the misc. stuff here
Case Else
;;;
EndSwitch
WEnd
_GUIImageList_Destroy($hImages)
GUIDelete()
EndFunc ;==>Example
#Region Item Function(s) **********************************************************************************************
Func _LVInsertItem($i_FromItem, $i_ToItem)
Local $iItem_state, $i_NewIndex
Local $tStruct_LVITEM = DllStructCreate($tagLVITEM)
Local $tStruct_String = DllStructCreate("wchar Buffer[4096]")
; Insert item into new position
DllStructSetData($tStruct_LVITEM, "Mask", BitOR($LVIF_STATE, $LVIF_IMAGE, $LVIF_INDENT, $LVIF_PARAM, $LVIF_TEXT))
DllStructSetData($tStruct_LVITEM, "StateMask", $LVIS_STATEIMAGEMASK)
DllStructSetData($tStruct_LVITEM, "Item", $i_FromItem)
DllStructSetData($tStruct_LVITEM, "SubItem", 0)
DllStructSetData($tStruct_LVITEM, "TextMax", 4096)
DllStructSetData($tStruct_LVITEM, "Text", DllStructGetPtr($tStruct_String))
_GUICtrlListView_GetItemEx($g_hListView, $tStruct_LVITEM)
If @error Then Return SetError(-1, -1, -1)
$iItem_state = DllStructGetData($tStruct_LVITEM, "State")
DllStructSetData($tStruct_LVITEM, "Item", $i_ToItem)
$i_NewIndex = _GUICtrlListView_InsertItem($g_hListView, DllStructGetData($tStruct_String, "Buffer"), $i_ToItem, DllStructGetData($tStruct_LVITEM, "Image"))
If @error Then Return SetError(-1, -1, -1)
; restore previous state
_WM_NOTIFY_DebugInfo("LVInsertItem", "Restore previous State $i_NewIndex = " & $i_NewIndex)
DllStructSetData($tStruct_LVITEM, "Mask", $LVIF_STATE)
DllStructSetData($tStruct_LVITEM, "Item", $i_NewIndex)
DllStructSetData($tStruct_LVITEM, "State", $iItem_state)
DllStructSetData($tStruct_LVITEM, "StateMask", $LVIS_STATEIMAGEMASK)
_GUICtrlListView_SetItemState($g_hListView, $i_NewIndex, $iItem_state, $LVIS_STATEIMAGEMASK)
If @error Then Return SetError(-1, -1, -1)
Return $i_NewIndex
EndFunc ;==>_LVInsertItem
; ------------------------------------------------------
Func _LVCopyItem($i_FromItem, $i_ToItem, $i_SubItem = 0)
Local $tStruct_LVITEM = DllStructCreate($tagLVITEM)
Local $tStruct_String = DllStructCreate("wchar Buffer[4096]")
; get from item info
DllStructSetData($tStruct_LVITEM, "Mask", BitOR($LVIF_STATE, $LVIF_IMAGE, $LVIF_INDENT, $LVIF_PARAM, $LVIF_TEXT))
DllStructSetData($tStruct_LVITEM, "StateMask", $LVIS_STATEIMAGEMASK)
DllStructSetData($tStruct_LVITEM, "Item", $i_FromItem)
DllStructSetData($tStruct_LVITEM, "SubItem", $i_SubItem)
DllStructSetData($tStruct_LVITEM, "TextMax", 4096)
DllStructSetData($tStruct_LVITEM, "Text", DllStructGetPtr($tStruct_String))
_GUICtrlListView_GetItemEx($g_hListView, $tStruct_LVITEM)
; set to
DllStructSetData($tStruct_LVITEM, "Item", $i_ToItem)
; set text
DllStructSetData($tStruct_LVITEM, "Mask", $LVIF_TEXT)
DllStructSetData($tStruct_LVITEM, "Text", DllStructGetPtr($tStruct_String))
DllStructSetData($tStruct_LVITEM, "TextMax", 4096)
_GUICtrlListView_SetItemEx($g_hListView, $tStruct_LVITEM)
If @error Then Return SetError(@error, @error, @error)
; set status
DllStructSetData($tStruct_LVITEM, "Mask", $LVIF_STATE)
_GUICtrlListView_SetItemEx($g_hListView, $tStruct_LVITEM)
; set image
DllStructSetData($tStruct_LVITEM, "Mask", $LVIF_IMAGE)
DllStructSetData($tStruct_LVITEM, "State", $LVIF_IMAGE)
_GUICtrlListView_SetItemEx($g_hListView, $tStruct_LVITEM)
; set state
DllStructSetData($tStruct_LVITEM, "Mask", $LVIF_STATE)
DllStructSetData($tStruct_LVITEM, "State", $LVIF_STATE)
_GUICtrlListView_SetItemEx($g_hListView, $tStruct_LVITEM)
; set indent
DllStructSetData($tStruct_LVITEM, "Mask", $LVIF_INDENT)
DllStructSetData($tStruct_LVITEM, "State", $LVIF_INDENT)
_GUICtrlListView_SetItemEx($g_hListView, $tStruct_LVITEM)
; set Param
DllStructSetData($tStruct_LVITEM, "Mask", $LVIF_PARAM)
DllStructSetData($tStruct_LVITEM, "State", $LVIF_PARAM)
_GUICtrlListView_SetItemEx($g_hListView, $tStruct_LVITEM)
EndFunc ;==>_LVCopyItem
#EndRegion Item Function(s) **********************************************************************************************
#Region Event Function(s) **********************************************************************************************
; WM_MOUSEMOVE event handler
; ------------------------------------------------------
Func WM_MOUSEMOVE($hWndGUI, $iMsgID, $wParam, $lParam)
#forceref $iMsgID, $wParam
;------------------------------------------------------
; not dragging item we are done here
;------------------------------------------------------
If $g_bDragging = False Then Return $GUI_RUNDEFMSG
;------------------------------------------------------
; update the image move
;------------------------------------------------------
Local $aPos = ControlGetPos($hWndGUI, "", $g_hListView)
Local $x = BitAND($lParam, 0xFFFF) - $aPos[0]
Local $y = BitShift($lParam, 16) - $aPos[1]
If $y > $g_iLV_Height - 20 Then
_GUICtrlListView_Scroll($g_hListView, 0, $y)
ElseIf $y < 20 Then
_GUICtrlListView_Scroll($g_hListView, 0, $y * -1)
EndIf
_GUIImageList_DragMove($x, $y)
Return $GUI_RUNDEFMSG
EndFunc ;==>WM_MOUSEMOVE
; WM_LBUTTONUP event handler
; ------------------------------------------------------
Func WM_LBUTTONUP($hWndGUI, $iMsgID, $wParam, $lParam)
#forceref $iMsgID, $wParam
$g_bDragging = False
Local $aPos = ControlGetPos($hWndGUI, "", $g_hListView)
Local $x = BitAND($lParam, 0xFFFF) - $aPos[0]
Local $y = BitShift($lParam, 16) - $aPos[1]
;------------------------------------------------------
; done dragging
;------------------------------------------------------
_GUIImageList_DragLeave($g_hListView)
_GUIImageList_EndDrag()
_GUIImageList_Destroy($g_ahDragImageList[0])
_WinAPI_ReleaseCapture()
;------------------------------------------------------
; do hit test see if drag ended in the listview
;------------------------------------------------------
Local $tStruct_LVHITTESTINFO = DllStructCreate($tagLVHITTESTINFO)
DllStructSetData($tStruct_LVHITTESTINFO, "X", $x)
DllStructSetData($tStruct_LVHITTESTINFO, "Y", $y)
$g_aIndex[1] = _SendMessage($g_hListView, $LVM_HITTEST, 0, DllStructGetPtr($tStruct_LVHITTESTINFO), 0, "wparam", "ptr")
Local $iFlags = DllStructGetData($tStruct_LVHITTESTINFO, "Flags")
_WM_NOTIFY_DebugInfo("WM_LBUTTONUP", "x,y,iFlags", $x, $y, $iFlags)
;------------------------------------------------------
; // Out of the ListView?
;------------------------------------------------------
If $g_aIndex[1] == -1 Then Return $GUI_RUNDEFMSG
;------------------------------------------------------
; // Not in an item?
;------------------------------------------------------
If BitAND($iFlags, $LVHT_ONITEMLABEL) == 0 And BitAND($iFlags, $LVHT_ONITEMSTATEICON) == 0 And BitAND($iFlags, $LVHT_ONITEMICON) = 0 Then Return $GUI_RUNDEFMSG
;------------------------------------------------------
; make sure insert is at least 2 items above or below, don't want to create a duplicate
;------------------------------------------------------
If $g_aIndex[0] < $g_aIndex[1] - 1 Or $g_aIndex[0] > $g_aIndex[1] + 1 Then
_WM_NOTIFY_DebugInfo("WM_LBUTTONUP", "To", $g_aIndex[1])
Local $i_NewIndex = _LVInsertItem($g_aIndex[0], $g_aIndex[1])
If @error Then Return SetError(-1, -1, $GUI_RUNDEFMSG)
Local $iFrom_index = $g_aIndex[0]
If $g_aIndex[0] > $g_aIndex[1] Then $iFrom_index = $g_aIndex[0] + 1
;------------------------------------------------------
; copy item and subitem(s) images, text, and state
;------------------------------------------------------
For $x = 1 To _GUICtrlListView_GetColumnCount($g_hListView) - 1
_LVCopyItem($iFrom_index, $i_NewIndex, $x)
If @error Then Return SetError(-1, -1, $GUI_RUNDEFMSG)
Next
;------------------------------------------------------
; delete from
;------------------------------------------------------
_GUICtrlListView_DeleteItem($g_hListView, $iFrom_index)
EndIf
Return $GUI_RUNDEFMSG
EndFunc ;==>WM_LBUTTONUP
; WM_NOTIFY event handler
; ------------------------------------------------------
Func WM_NOTIFY($hWndGUI, $iMsgID, $wParam, $lParam)
#forceref $hWndGUI, $iMsgID, $wParam
Local $tNMHDR, $iCode, $x, $y, $tNMLISTVIEW, $hWndFrom, $tDraw, $iDrawStage, $iItemSpec
$tNMHDR = DllStructCreate($tagNMHDR, $lParam) ;NMHDR (hwndFrom, idFrom, code)
If @error Then Return
$iCode = DllStructGetData($tNMHDR, "Code")
$hWndFrom = DllStructGetData($tNMHDR, "hWndFrom")
Switch $hWndFrom
Case $g_hListView
Switch $iCode
Case $LVN_BEGINDRAG
$x = BitAND($lParam, 0xFFFF)
$y = BitShift($lParam, 16)
$tNMLISTVIEW = DllStructCreate($tagNMLISTVIEW, $lParam)
$g_aIndex[0] = DllStructGetData($tNMLISTVIEW, "Item")
$g_ahDragImageList = _GUICtrlListView_CreateDragImage($g_hListView, $g_aIndex[0])
If @error Then Return SetError(-1, -1, $GUI_RUNDEFMSG)
_GUIImageList_BeginDrag($g_ahDragImageList[0], 0, 0, 0)
If @error Then Return SetError(-1, -1, $GUI_RUNDEFMSG)
_WM_NOTIFY_DebugInfo("$LVN_BEGINDRAG", "From", $g_aIndex[0])
_GUIImageList_DragEnter($g_hListView, $x, $y)
_WinAPI_SetCapture($hWndGUI)
$g_bDragging = True
Case $NM_CUSTOMDRAW
$tDraw = DllStructCreate($tagNMLVCUSTOMDRAW, $lParam)
$iDrawStage = DllStructGetData($tDraw, "dwDrawStage")
$iItemSpec = DllStructGetData($tDraw, "dwItemSpec")
Switch $iDrawStage
Case $CDDS_PREPAINT
;~ _WM_NOTIFY_DebugInfo("$NM_CUSTOMDRAW: $CDDS_PREPAINT")
Return $CDRF_NOTIFYITEMDRAW
Case $CDDS_ITEMPREPAINT
;~ _WM_NOTIFY_DebugInfo("$NM_CUSTOMDRAW: $CDDS_ITEMPREPAINT")
If BitAND($iItemSpec, 1) = 1 Then
DllStructSetData($tDraw, "clrTextBk", $CLR_AQUA)
Else
DllStructSetData($tDraw, "clrTextBk", $CLR_WHITE)
EndIf
Return $CDRF_NEWFONT
EndSwitch
EndSwitch
EndSwitch
Return $GUI_RUNDEFMSG
EndFunc ;==>WM_NOTIFY
#EndRegion Event Function(s) **********************************************************************************************