Draw over listview

[Danyfirex]

Hi. can some GDI man show me the best way to draw over a listview control.

 

saludos

[Luigi]

I want see that it too...

Have some ideas, not beauty yet...

Iknow... that is not you want... but, it is a simple idea... put brain to work.

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#include-once
#include <WindowsConstants.au3>
#include <WinAPI.au3>
#include <Array.au3>
#include <GDIPlus.au3>
#include <GUIConstantsEx.au3>
#include <Misc.au3>

Opt('GUIOnEventMode', 1)
Opt('GUIEventOptions', 1)
Opt('ExpandVarStrings', 1)
Opt('MustDeclareVars', 1)

Global $ACTIVE = True
Global $iLine = 0, $iCol, $iRev = 1
Global $hGui[2], $aGuiSize[2] = [800, 600], $sGuiTitle = 'Título'
Global $hGraphic, $hPen, $hBitmap, $hBackbuffer, $aGraphics[4] = [10, 10, 400, 300]
Global $hButton

$hGui[0] = GUICreate($sGuiTitle, $aGuiSize[0], $aGuiSize[1], -1, -1, Default, Default)
GUISetOnEvent($GUI_EVENT_CLOSE, '_quit')

$hButton = GUICtrlCreateButton('botão', 22, 22, 80, 26)
GUICtrlSetOnEvent($hButton, '_button')


GUISetState(@SW_SHOWNORMAL, $hGui[0])

$hGui[1] = GUICreate(0, 400, 300, 10, 10, $WS_CHILD, Default, $hGui[0])

GUISetState(@SW_SHOWNORMAL, $hGui[1])

_GDIPlus_Startup()
$hGraphic = _GDIPlus_GraphicsCreateFromHWND($hGui[1])
$hBitmap = _GDIPlus_BitmapCreateFromGraphics($aGraphics[2], $aGraphics[3], $hGraphic)
$hBackbuffer = _GDIPlus_ImageGetGraphicsContext($hBitmap)

$hPen = _GDIPlus_PenCreate()
_GDIPlus_GraphicsClear($hBackbuffer)
_GDIPlus_GraphicsSetSmoothingMode($hBackbuffer, 2)
AdlibRegister("line", 25)

While Sleep(10)
    ACTIVE()
WEnd

Func _button()
    ConsoleWrite('botão' & @LF)
EndFunc   ;==>_button

Func ACTIVE()
    If WinActive($hGui[0]) And Not $ACTIVE Then
        _update()
        $ACTIVE = True
    ElseIf Not WinActive($hGui) And $ACTIVE Then
        $ACTIVE = False
    EndIf
EndFunc   ;==>ACTIVE

Func _quit()
    _exit()
EndFunc   ;==>_quit

Func _exit($input = 0)
    ; end functions...
    _GDIPlus_GraphicsDispose($hBackbuffer)
    _GDIPlus_BitmapDispose($hBitmap)
    _GDIPlus_PenDispose($hPen)
    _GDIPlus_GraphicsDispose($hGraphic)
    _GDIPlus_Shutdown()

    GUIDelete($hGui[0])
    Exit
EndFunc   ;==>_exit

Func line()
    $iLine += 10
    $iCol += 10 * $iRev
    If $iCol > 370 Then $iRev *= -1
    If $iCol < 0 Then $iRev *= -1
    If $iLine > 300 Then $iLine = 0
EndFunc   ;==>line

Func _update()
    _GDIPlus_GraphicsClear($hBackbuffer, 0xFFD4D0C8);D4D0C8
    _box($hBackbuffer, $iCol, 50, 30, 30)
    _GDIPlus_GraphicsDrawLine($hBackbuffer, 0, $iLine, 400, $iLine, $hPen)
    _GDIPlus_GraphicsDrawImageRect($hGraphic, $hBitmap, $aGraphics[0], $aGraphics[1], $aGraphics[2], $aGraphics[3])
EndFunc   ;==>_update

Func _box($hToGraphic, $xx, $yy, $ll, $aa, $color = 0xFF000000)
    ; _box2
    Local $aBox[5][2]
    $aBox[0][0] = 4
    $aBox[1][0] = $xx
    $aBox[1][1] = $yy
    $aBox[2][0] = $xx + $ll - 1
    $aBox[2][1] = $yy
    $aBox[3][0] = $xx + $ll - 1
    $aBox[3][1] = $yy + $aa - 1
    $aBox[4][0] = $xx
    $aBox[4][1] = $yy + $aa - 1
    If $color Then
        _GDIPlus_PenSetColor($hPen, $color)
        _GDIPlus_GraphicsDrawPolygon($hToGraphic, $aBox, $hPen)
    Else
        _GDIPlus_GraphicsDrawPolygon($hToGraphic, $aBox)
    EndIf
EndFunc   ;==>_box

Edited September 14, 2014 by Detefon

[Danyfirex]

Well this is I got. Need to be improve. But I hope it helps someone.

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

Global $iColor = 0xFF40BD
Global $Grosor = 1
Global $Gui = GUICreate("Test", 450, 400)
GUISetBkColor(0xFFFFFF)
Global $hListView = GUICtrlCreateListView("Prueba|Prueba|Prueba|Prueba", 25, 25, 400, 300)
GUICtrlSetBkColor(-1,0xFFFFFF)
Global $oBoton = GUICtrlCreateButton("Agregar", 180, 350, 80, 30)

_GUICtrlListView_SetColumnWidth($hListView, 0, 98)
_GUICtrlListView_SetColumnWidth($hListView, 1, 98)
_GUICtrlListView_SetColumnWidth($hListView, 2, 98)
_GUICtrlListView_SetColumnWidth($hListView, 3, 98)
GUIRegisterMsg($WM_NOTIFY, "WM_NOTIFY")
GUISetState()



While 1
    $msg = GUIGetMsg()
    Switch $msg
        Case $GUI_EVENT_CLOSE
            ExitLoop
        Case $oBoton
for $i= 1 to 30
            _GUICtrlListView_AddItem($hListView, "Hi World")

Next
    EndSwitch
    Sleep(10)
WEnd
Exit

Func WM_NOTIFY($hWnd, $iMsg, $wParam, $lParam)
    #forceref $hWnd, $iMsg, $wParam
    Local $tNMHDR, $hWndFrom, $iCode
    $tNMHDR = DllStructCreate($tagNMHDR, $lParam)
    $hWndFrom = HWnd(DllStructGetData($tNMHDR, "hWndFrom"))
    $iCode = DllStructGetData($tNMHDR, "Code")

    Switch $hWndFrom

        Case ControlGetHandle("", "", $hListView)

            Switch $iCode

                Case $NM_CUSTOMDRAW
                    Local $tNMLVCUSTOMDRAW = DllStructCreate($tagNMLVCUSTOMDRAW, $lParam)
                    Local $dwDrawStage = DllStructGetData($tNMLVCUSTOMDRAW, "dwDrawStage")

                    Switch $dwDrawStage ; Holds a value that specifies the drawing stage

                        Case $CDDS_PREPAINT

                            Return $CDRF_NOTIFYITEMDRAW ; Notify the parent window of any item-related drawing operations

                        Case $CDDS_ITEMPREPAINT
                            Local $hDC = DllStructGetData($tNMLVCUSTOMDRAW, "HDC")
                            Local $hPen = _WinAPI_CreatePen($PS_SOLID, $Grosor, $iColor)
                            Local $o_Orig = _WinAPI_SelectObject($hDC, $hPen)
                            _WinAPI_DrawLine($hDC, 0, DllStructGetData($tNMLVCUSTOMDRAW, "top") - 1, DllStructGetData($tNMLVCUSTOMDRAW, "Right"), DllStructGetData($tNMLVCUSTOMDRAW, "top") - 1); horizontal left
                            _WinAPI_DeleteObject($hPen)

                            Return $CDRF_NOTIFYSUBITEMDRAW ; Notify the parent window of any subitem-related drawing operations



                        Case BitOR($CDDS_ITEMPREPAINT, $CDDS_SUBITEM)
                            Local $hDC = DllStructGetData($tNMLVCUSTOMDRAW, "HDC")
                            Local $hPen = _WinAPI_CreatePen($PS_SOLID, $Grosor, $iColor)
                            Local $iX = DllStructGetData($tNMLVCUSTOMDRAW, "left")
                            Local $iY = DllStructGetData($tNMLVCUSTOMDRAW, "top")
                            Local $iX1 = DllStructGetData($tNMLVCUSTOMDRAW, "right")
                            Local $iY1 = DllStructGetData($tNMLVCUSTOMDRAW, "Bottom")
                            $o_Orig = _WinAPI_SelectObject($hDC, $hPen)
                            _WinAPI_DrawLine($hDC, $iX - 1, $iY, $iX - 1, $iY1)
                            _WinAPI_LineTo($hDC, $iY1, $iY1)
                            _WinAPI_DeleteObject($hPen)



                            Return $CDRF_NEWFONT ; $CDRF_NEWFONT must be returned after changing font or colors

                    EndSwitch

            EndSwitch

    EndSwitch

    Return $CDRF_NOTIFYSUBITEMDRAW ; Notify the parent window of any subitem-related drawing operations



    Return $CDRF_NOTIFYSUBITEMDRAW ; Notify the parent window of any subitem-related drawing operations

    Return $GUI_RUNDEFMSG
EndFunc   ;==>WM_NOTIFY

Saludos

Edited September 14, 2014 by Danyfirex