Ticket #2876: _GUICtrlRichEdit_Paste.au3

#include <GUIConstantsEx.au3>
#include <GuiMenu.au3>
#include <GuiRichEdit.au3>
#include <WindowsConstants.au3>

Global $g_hRichEdit, $g_idMnu, $g_idMnuUndo, $g_idMnuRedo, $g_idMnuCut, $g_idMnuCopy
Global $g_idMnuPaste, $g_idMnuPasteSpl

Example()

Func Example()
        Local $hGui, $idMnuPasteSplRTF, $idMnuPasteSplwObjs
        $hGui = GUICreate("Example (" & StringTrimRight(@ScriptName, StringLen(".exe")) & ")", 320, 350, -1, -1)
        $g_hRichEdit = _GUICtrlRichEdit_Create($hGui, "This is a test.", 10, 10, 300, 220, _
                        BitOR($ES_MULTILINE, $WS_VSCROLL, $ES_AUTOVSCROLL))
        GUISetState(@SW_SHOW)

        _GUICtrlRichEdit_AppendText($g_hRichEdit, ReadBmpToRtf(FindFirstBMP()))

        GUIRegisterMsg($WM_NOTIFY, "WM_NOTIFY")

        $g_idMnu = GUICtrlCreateContextMenu(GUICtrlCreateDummy())
        $g_idMnuUndo = GUICtrlCreateMenuItem("Undo", $g_idMnu)
        $g_idMnuRedo = GUICtrlCreateMenuItem("Redo", $g_idMnu)
        GUICtrlCreateMenuItem("", $g_idMnu)
        $g_idMnuCut = GUICtrlCreateMenuItem("Cut", $g_idMnu)
        $g_idMnuCopy = GUICtrlCreateMenuItem("Copy", $g_idMnu)
        $g_idMnuPaste = GUICtrlCreateMenuItem("Paste", $g_idMnu)
        $g_idMnuPasteSpl = GUICtrlCreateMenu("Paste Special", $g_idMnu)
        $idMnuPasteSplRTF = GUICtrlCreateMenuItem("RTF only", $g_idMnuPasteSpl)
        $idMnuPasteSplwObjs = GUICtrlCreateMenuItem("With objects", $g_idMnuPasteSpl)
        _GUICtrlRichEdit_SetEventMask($g_hRichEdit, $ENM_MOUSEEVENTS)

        While True
                Switch GUIGetMsg()
                        Case $GUI_EVENT_CLOSE
                                _GUICtrlRichEdit_Destroy($g_hRichEdit) ; needed unless script crashes
                                ; GUIDelete()   ; is OK too
                                Exit
                        Case $g_idMnuUndo
                                _GUICtrlRichEdit_Undo($g_hRichEdit)
                        Case $g_idMnuRedo
                                _GUICtrlRichEdit_Redo($g_hRichEdit)
                        Case $g_idMnuCut
                                _GUICtrlRichEdit_Cut($g_hRichEdit)
                        Case $g_idMnuCopy
                                _GUICtrlRichEdit_Copy($g_hRichEdit)
                        Case $g_idMnuPaste
                                _GUICtrlRichEdit_Paste($g_hRichEdit)
                        Case $idMnuPasteSplRTF
                                _GUICtrlRichEdit_PasteSpecial($g_hRichEdit, False)
                        Case $idMnuPasteSplwObjs
                                _GUICtrlRichEdit_PasteSpecial($g_hRichEdit, True)
                EndSwitch
        WEnd
EndFunc   ;==>Example

Func WM_NOTIFY($hWnd, $iMsg, $wParam, $lParam)
        #forceref $iMsg, $wParam
        Local $hWndFrom, $iCode, $tNMHDR, $tMsgFilter, $hMenu
        $tNMHDR = DllStructCreate($tagNMHDR, $lParam)
        $hWndFrom = HWnd(DllStructGetData($tNMHDR, "hWndFrom"))
        $iCode = DllStructGetData($tNMHDR, "Code")
        Switch $hWndFrom
                Case $g_hRichEdit
                        Select
                                Case $iCode = $EN_MSGFILTER
                                        $tMsgFilter = DllStructCreate($tagMSGFILTER, $lParam)
                                        If DllStructGetData($tMsgFilter, "msg") = $WM_RBUTTONUP Then
                                                $hMenu = GUICtrlGetHandle($g_idMnu)
                                                SetMenuTexts($hWndFrom, $hMenu)
                                                _GUICtrlMenu_TrackPopupMenu($hMenu, $hWnd)
                                        EndIf
                        EndSelect
        EndSwitch
        Return $GUI_RUNDEFMSG
EndFunc   ;==>WM_NOTIFY

Func SetMenuTexts($hWnd, $hMenu)
        Local $bState
        If _GUICtrlRichEdit_CanUndo($hWnd) Then
                _GUICtrlMenu_SetItemEnabled($hMenu, $g_idMnuUndo, True, False)
                _GUICtrlMenu_SetItemText($hMenu, $g_idMnuUndo, "Undo: " & _GUICtrlRichEdit_GetNextUndo($hWnd), False)
        Else
                _GUICtrlMenu_SetItemText($hMenu, $g_idMnuUndo, "Undo", False)
                _GUICtrlMenu_SetItemEnabled($hMenu, $g_idMnuUndo, False, False)
        EndIf
        If _GUICtrlRichEdit_CanRedo($hWnd) Then
                _GUICtrlMenu_SetItemEnabled($hMenu, $g_idMnuRedo, True, False)
                _GUICtrlMenu_SetItemText($hMenu, $g_idMnuRedo, "Redo: " & _GUICtrlRichEdit_GetNextRedo($hWnd), False)
        Else
                _GUICtrlMenu_SetItemText($hMenu, $g_idMnuRedo, "Redo", False)
                _GUICtrlMenu_SetItemEnabled($hMenu, $g_idMnuRedo, False, False)
        EndIf
        $bState = _GUICtrlRichEdit_IsTextSelected($hWnd)
        _GUICtrlMenu_SetItemEnabled($hMenu, $g_idMnuCut, $bState, False)
        _GUICtrlMenu_SetItemEnabled($hMenu, $g_idMnuCopy, $bState, False)

        _GUICtrlMenu_SetItemEnabled($hMenu, $g_idMnuPaste, _GUICtrlRichEdit_CanPaste($hWnd))

        _GUICtrlMenu_SetItemEnabled($hMenu, $g_idMnuPasteSpl, _GUICtrlRichEdit_CanPasteSpecial($hWnd), False)
EndFunc   ;==>SetMenuTexts

Func ReadBmpToRtf($sBmpFilspc)
        Local $hFile, $sRtf
        $hFile = FileOpen($sBmpFilspc, $FO_BINARY)
        If FileRead($hFile, 2) <> "0x424D" Then Return SetError(1, 0, "")
        FileRead($hFile, 12)
        $sRtf = '{\rtf1{\pict\dibitmap ' & Hex(FileRead($hFile)) & '}}'
        FileClose($hFile)
        Return $sRtf
EndFunc   ;==>ReadBmpToRtf

Func FindFirstBMP($sPath = Default)
        If $sPath = Default Then
                $sPath = RegRead("HKEY_LOCAL_MACHINE\SOFTWARE" & ((@AutoItX64) ? "\Wow6432Node":"") & "\AutoIt v3\AutoIt", "InstallDir") & "\Examples\GUI\Advanced\Images"
        EndIf
        Local $hFind, $sBmpFilspc
        $hFind = FileFindFirstFile($sPath & "\*.bmp")
        $sBmpFilspc = FileFindNextFile($hFind)
        FileClose($hFind)
        Return $sPath & "\" & $sBmpFilspc
EndFunc   ;==>FindFirstBMP