XProfan

Source wurde am 15.07.2007 aus der MMJ-Quellcodesammlung (Dietmar Horn) in die Babyklappe auf XProfan.Com abgelegt:
RichEdit: Cursor abfragen
Stefan Schnell
-Begin----------------------------------------------------------- ------
-Header-Dateien------------------------------------------------------
 $H Windows.ph
 $H RichEdit.ph
 $H Structs.ph
 $H Messages.ph
-Strukturen----------------------------------------------------------
Declare CharRange#
Struct CharRange = ~CHARRANGE
Dim CharRange#, CharRange
-Globale Variablen---------------------------------------------------
Declare Ende&, hButton&, hWin&, hRtf&
-Funktion GetCursorPosX (Spalte)-------------------------------------

Proc GetCursorPosX

    SendMessage(hRtf&, ~EM_EXGETSEL, 0, CharRange#)
    Return Int(CharRange#.cpMax& - (SendMessage(hRtf&,
    ~EM_LINEINDEX, SendMessage(hRtf&, ~EM_EXLINEFROMCHAR, 0,
    CharRange#.cpMin&), 0)) + 1)

EndProc

-Funktion GetCursorPosY (Zeile)--------------------------------------

Proc GetCursorPosY

    SendMessage(hRtf&, ~EM_EXGETSEL, 0, CharRange#)
    Return Int(SendMessage(hRtf&, ~EM_EXLINEFROMCHAR, 0,
    CharRange#.cpMin&) + 1)

EndProc

-Main----------------------------------------------------------------
-GUI---------------------------------------------------------------
hWin& = @Create(Window, %hWnd, Test, 100, 100, 320, 270)

If hWin&

    hRtf& = @Create(RichEdit, hWin&, Kein Text, 5, 5, 300, 200)
    hButton& = @Create(Button, hWin&, Cursor-Position ermitteln,
    5, 210, 300, 24)

EndIf

-Ereignisschleife--------------------------------------------------
Clear Ende&

Repeat

    WaitInput

    If %Key = 2

        Ende& = 1

    ElseIf @Clicked(hButton&)

        @MessageBox(Zeile:  + @Str$(GetCursorPosY()) + @Chr$(13) +
        @Chr$(10) + Spalte:  + @Str$(GetCursorPosX()),
        XY-Position, ~MB_OK)

    EndIf

Until Ende&

Dispose CharRange#
-End-------------------------------------------------------------------
End