//*****************************************************************************************
// Copyright (c) 2000 Michael Kurz
// All rights reserved.
// If you want to use this source in your applications conatct: <MichaelKurz@gmx.at>
//
// $FileName    : cTabDialogEx.Pkg
// $ProjectName : Shared Classes
// $Author      : Michael Kurz <MichaelKurz@gmx.at>
// $Created     : 01-25-2001 @ 19:00
//
// Contents:
//      Extends the tabdialog with additional features.
//          -
//
// $Rev History
//
//*****************************************************************************************

Define TCS_SCROLLOPPOSITE       for |CI$0001   // assumes multiline tab
Define TCS_BOTTOM               for |CI$0002
Define TCS_RIGHT                for |CI$0002
Define TCS_MULTISELECT          for |CI$0004  // allow multi-select in button mode
Define TCS_FLATBUTTONS          for |CI$0008
Define TCS_FORCEICONLEFT        for |CI$0010
Define TCS_FORCELABELLEFT       for |CI$0020
Define TCS_HOTTRACK             for |CI$0040
Define TCS_VERTICAL             for |CI$0080
Define TCS_TABS                 for |CI$0000
Define TCS_BUTTONS              for |CI$0100
Define TCS_SINGLELINE           for |CI$0000
Define TCS_MULTILINE            for |CI$0200
Define TCS_RIGHTJUSTIFY         for |CI$0000
Define TCS_FIXEDWIDTH           for |CI$0400
Define TCS_RAGGEDRIGHT          for |CI$0800
Define TCS_FOCUSONBUTTONDOWN    for |CI$1000
Define TCS_OWNERDRAWFIXED       for |CI$2000
Define TCS_TOOLTIPS             for |CI$4000
Define TCS_FOCUSNEVER           for |CI$8000

Define TCS_EX_FLATSEPARATORS    for |CI$0001
Define TCS_EX_REGISTERDROP      for |CI$0002


    // Possible_States for piButtonState.
Define Button_Top               for 0
Define Button_Bottom            for 1
Define Button_Left              for 2
Define Button_Right             for 3

Use cTabDialogShadow.pkg

Class cTabDialogEx is a cTabDialogShadow
    Procedure Construct_Object
        Property Integer piButtonStateEx          Button_Top
        Property Boolean pbAllowKeyNavigation     True
        Forward Send Construct_Object
    End_Procedure

    //
    // It was possible in The Hammer to get it to crash by trying to use keyboard
    // navigation on the codeview tabs. Can't find out why, but can stop the crash
    // by simply disabling keyboard navigation on the tabpage button.
    //
    Procedure Next
      Boolean bAllow

      Get pbAllowKeyNavigation to bAllow
      If (bAllow) Begin
        Forward Send Next
      End
    End_Procedure

    Procedure Switch
      Boolean bAllow

      Get pbAllowKeyNavigation to bAllow
      If (bAllow) Begin
        Forward Send Switch
      End
    End_Procedure

    Procedure set piButtonState Integer iState
        set piButtonStateEx to iState
        set peTabPosition to iState // VDF7 and Higher, there this is already defined and need to be set.
    End_Procedure
    Function piButtonState returns Integer
        Function_Return (piButtonStateEx(Self))
    End_Function

    Procedure Page Integer iFlag
        Integer iState
        move (piButtonState(Self))    to iState
        if (iState eq Button_Bottom)  set Window_Style            to TCS_BOTTOM true
        if (iState eq Button_Right)   set Window_Style            to TCS_RIGHT  true
        if ((iState eq Button_Right) or (iState eq Button_Left)) ;
            set Window_Style            to TCS_Vertical true
        Forward send Page iFlag
    End_Procedure

    Procedure DisableTabPage Integer tabpageobj Integer iFlag
        set piActiveState   of tabpageobj to iFlag
        set Visible_State   of tabpageobj to (Not(iFlag))
        if iFlag set Focus_ModeEx of tabpageobj to nonfocusable
        Else     set Focus_ModeEx of tabpageobj to focusable
    End_Procedure

    Function Deactivate_Tab Integer tab# Integer tabpageobj Returns Integer
        send DisableTabPage tabpageobj True
        Procedure_Return 0
    End_Function

    Function Tab_Change Integer totab Integer PointerMode returns Integer
        Integer tabobj rval fromtab fromobj toobj focobj oldst iRet
        get In_Tab_Change_State to OldSt
        set In_Tab_Change_State to true
        get current_Item to fromtab             // from tab item
        if (totab gt (item_count( Current_Object))) move fromtab to totab
        get tab_page_id item fromtab to fromobj // from tab page
        get tab_page_id item totab   to toobj   // to tab page

        send DisableTabPage fromobj true
        send DisableTabPage toobj   False
        Forward get Tab_Change totab PointerMode    to iRet
        Function_Return iRet
    End_Function
End_Class

    // This TabPage doesn deactivate during tab change!
    // There need to be done some further changed.
Class cTabPageEx is a cTabPageShadow
    Procedure Construct_Object
        Forward send Construct_Object
        Property Integer piActiveState         True
        set Popup_State to False
    End_Procedure

    Function Active_State returns Integer
        Integer iRet
        Forward get Active_State    to iRet
        if (piActiveState(Self)) Function_Return iRet
        Else                     Function_Return False
    End_Function

    Procedure set Focus_ModeEx Integer iMode
        Broadcast set Focus_Mode    to iMode
        set Focus_Mode              to iMode
    End_Procedure
End_Class