AutoI Technology Curriculum Book part 80 pps

$nCtlType = DllStructGetData($stDrawItem, 1)
If $nCtlType = $ODT_BUTTON Then
$nCtrlID = DllStructGetData($stDrawItem, 2)
$nItemState = DllStructGetData($stDrawItem, 5)
$hCtrl = DllStructGetData($stDrawItem, 6)
$hDC = DllStructGetData($stDrawItem, 7)
$nLeft = DllStructGetData($stDrawItem, 8, 1)
$nTop = DllStructGetData($stDrawItem, 8, 2)
$nRight = DllStructGetData($stDrawItem, 8, 3)
$nBottom = DllStructGetData($stDrawItem, 8, 4)
$sText = "Ownerdrawn Button"
$nTextColor = 0x5555DD
$nBackColor = 0xFFEEDD
DrawButton($hWnd, $hCtrl, $hDC, $nLeft, $nTop, $nRight, $nBottom,
$nItemState, $sText, $nTextColor, $nBackColor)
$stDrawItem = 0
Return 1
EndIf

$stDrawItem = 0
Return $GUI_RUNDEFMSG ; Proceed the default Autoit3 internal message
commands
EndFunc ;==>MY_WM_DRAWITEM


; The main drawing procedure
Func DrawButton($hWnd, $hCtrl, $hDC, $nLeft, $nTop, $nRight, $nBottom,
$nItemState, $sText, $nTextColor, $nBackColor)
;Local $bDefault = FALSE
Local Const $GWL_STYLE = -16
Local Const $ODS_SELECTED = 0x0001

Local Const $ODS_GRAYED = 0x0002
Local Const $ODS_DISABLED = 0x0004
Local Const $ODS_CHECKED = 0x0008
Local Const $ODS_FOCUS = 0x0010
Local Const $ODS_HOTLIGHT = 0x0040
Local Const $ODS_INACTIVE = 0x0080
Local Const $ODS_NOACCEL = 0x0100
Local Const $ODS_NOFOCUSRECT = 0x0200
Local Const $DFC_BUTTON = 4
Local Const $DFCS_BUTTONPUSH = 0x0010
Local $bChecked = BitAND($nItemState, $ODS_CHECKED)
Local $bFocused = BitAND($nItemState, $ODS_FOCUS)
Local $bGrayed = BitAND($nItemState, BitOR($ODS_GRAYED,
$ODS_DISABLED))
Local $bSelected = BitAND($nItemState, $ODS_SELECTED)

$stRect = DllStructCreate("int;int;int;int")
DllStructSetData($stRect, 1, $nLeft)
DllStructSetData($stRect, 2, $nTop)
DllStructSetData($stRect, 3, $nRight)
DllStructSetData($stRect, 4, $nBottom)

If $bGrayed Then
$nClrTxt = SetTextColor($hDC,
GetSysColor($COLOR_HIGHLIGHTTEXT))
ElseIf $nTextColor = -1 Then
$nClrTxt = SetTextColor($hDC, GetSysColor($COLOR_BTNTEXT))
Else
$nClrTxt = SetTextColor($hDC, $nTextColor)
EndIf

If $nBackColor = -1 Then
$hBrush = GetSysColorBrush($COLOR_BTNFACE)
$nClrSel = GetSysColor($COLOR_BTNFACE)
Else
$hBrush = CreateSolidBrush($nBackColor)
$nClrSel = $nBackColor;
EndIf

$nClrBk = SetBkColor($hDC, $nClrSel)
$hOldBrush = SelectObject($hDC, $hBrush)

$nTmpLeft = $nLeft
$nTmpTop = $nTop
$nTmpRight = $nRight
$nTmpBottom = $nBottom

If $bSelected Then
InflateRect($nTmpLeft, $nTmpTop, $nTmpRight, $nTmpBottom, -1, -1)
$hBrushSel = CreateSolidBrush(GetSysColor($COLOR_BTNSHADOW))
FrameRect($hDC, $nTmpLeft, $nTmpTop, $nTmpRight, $nTmpBottom,
$hBrushSel)
DeleteObject($hBrushSel)
Else
If $bFocused And Not $bSelected Then InflateRect($nTmpLeft, $nTmpTop,
$nTmpRight, $nTmpBottom, -1, -1)
DrawFrameControl($hDC, $nTmpLeft, $nTmpTop, $nTmpRight,
$nTmpBottom, $DFC_BUTTON, $DFCS_BUTTONPUSH)
EndIf

$nTmpLeft = $nLeft
$nTmpTop = $nTop
$nTmpRight = $nRight
$nTmpBottom = $nBottom

If $bSelected Then
InflateRect($nTmpLeft, $nTmpTop, $nTmpRight, $nTmpBottom, -2, -2)
Else
If $bFocused And Not $bSelected Then
InflateRect($nTmpLeft, $nTmpTop, $nTmpRight, $nTmpBottom, -3, -3)
$nTmpLeft -= 1
$nTmpTop -= 1
Else
InflateRect($nTmpLeft, $nTmpTop, $nTmpRight, $nTmpBottom, -2, -2)
$nTmpLeft -= 1
$nTmpTop -= 1
EndIf
EndIf

FillRect($hDC, $nTmpLeft, $nTmpTop, $nTmpRight, $nTmpBottom, $hBrush)

If $bSelected Or $bGrayed Then
$nTmpLeft = $nTmpLeft + 2
$nTmpTop = $nTmpTop + 2
EndIf

$uFlags = BitOR($DT_NOCLIP, $DT_CENTER, $DT_VCENTER)

If Not BitAND(GetWindowLong($hCtrl, $GWL_STYLE), $BS_MULTILINE)
Then $uFlags = BitOR($uFlags, $DT_SINGLELINE)

DrawText($hDC, $sText, $nTmpLeft, $nTmpTop, $nTmpRight, $nTmpBottom,
$uFlags)

If $bGrayed Then
$nTmpLeft = $nLeft
$nTmpTop = $nTop
$nTmpRight = $nRight
$nTmpBottom = $nBottom

$nTmpLeft -= 1

$nClrTxt = SetTextColor($hDC, GetSysColor($COLOR_GRAYTEXT))
DrawText($hDC, $sText, $nTmpLeft, $nTmpTop, $nTmpRight,
$nTmpBottom, BitOR($DT_NOCLIP, $DT_CENTER, $DT_VCENTER,
$DT_SINGLELINE))
EndIf

$nTmpLeft = $nLeft
$nTmpTop = $nTop
$nTmpRight = $nRight
$nTmpBottom = $nBottom

If $bFocused Then
$hBrush = CreateSolidBrush(0)
FrameRect($hDC, $nTmpLeft, $nTmpTop, $nTmpRight, $nTmpBottom,
$hBrush)

$nTmpLeft = $nLeft
$nTmpTop = $nTop

$nTmpRight = $nRight
$nTmpBottom = $nBottom

InflateRect($nTmpLeft, $nTmpTop, $nTmpRight, $nTmpBottom, -4, -4)
DrawFocusRect($hDC, $nTmpLeft, $nTmpTop, $nTmpRight,
$nTmpBottom)
EndIf

SelectObject($hDC, $hOldBrush)
DeleteObject($hBrush)
SetTextColor($hDC, $nClrTxt)
SetBkColor($hDC, $nClrBk)

Return 1
EndFunc ;==>DrawButton


; Some graphic / windows functions
Func CreateSolidBrush($nColor)
Local $hBrush = DllCall("gdi32.dll", "hwnd", "CreateSolidBrush", "int",
$nColor)
Return $hBrush[0]
EndFunc ;==>CreateSolidBrush


Func GetSysColor($nIndex)
Local $nColor = DllCall("user32.dll", "int", "GetSysColor", "int", $nIndex)
Return $nColor[0]
EndFunc ;==>GetSysColor

Func GetSysColorBrush($nIndex)
Local $hBrush = DllCall("user32.dll", "hwnd", "GetSysColorBrush", "int",
$nIndex)
Return $hBrush[0]
EndFunc ;==>GetSysColorBrush


Func DrawFrameControl($hDC, $nLeft, $nTop, $nRight, $nBottom, $nType,
$nState)
Local $stRect = DllStructCreate("int;int;int;int")

DllStructSetData($stRect, 1, $nLeft)
DllStructSetData($stRect, 2, $nTop)
DllStructSetData($stRect, 3, $nRight)
DllStructSetData($stRect, 4, $nBottom)

DllCall("user32.dll", "int", "DrawFrameControl", "hwnd", $hDC, "ptr",