Dim WorkRB As Integer
Dim WorkTB As Integer
Dim WorkDCB As CommStateDCB
Dim WorkInterval As Integer

Dim WidthOfText As Integer


Sub Form_Load ()

    Remove_Items_From_SysMenu LineDlg

    Initialize

    CenterDialog LineDlg

End Sub


Sub Initialize ()
    
    WidthOfText = TextWidth("999991")

    SizeControls

    Comm_Receive_Scroll.value = CommRBBuffer
    WorkRB = CommRBBuffer

    Comm_Transmit_Scroll.value = CommTBBuffer
    WorkTB = CommTBBuffer

    If CommDeviceNum > 0 And CommHandle > -1 Then
        Comm_Buffer_Size_Frame.enabled = FALSE
        Comm_Buffer_Size_Label.enabled = FALSE
        
        Comm_Receive_Text.enabled = FALSE
        Comm_Receive_Label.enabled = FALSE
        
        Comm_Transmit_Text.enabled = FALSE
        Comm_Transmit_Label.enabled = FALSE
    End If

    
    Signal_Detect_CD_Scroll.value = CommState.RlsTimeOut
    Signal_Detect_CS_Scroll.value = CommState.CtsTimeOut
    Signal_Detect_DS_Scroll.value = CommState.DsrTimeOut
    WorkDCB = CommState

    Poll_Interval_Scroll.value = CommReadInterval
    WorkInterval = CommReadInterval

End Sub

Sub Reset_Command_Click ()

    Initialize

End Sub

Sub Cancel_Command_Click ()

    Unload LineDlg

End Sub

Sub OK_Command_Click ()
    
    If CommDeviceNum > 0 And CommHandle > -1 Then

        NoChange = TRUE

        If WorkRB <> CommRBBuffer Then NoChange = FALSE
        If WorkTB <> CommTBBuffer Then NoChange = FALSE
        If WorkInterval <> CommReadInterval Then NoChange = FALSE
        If WorkDCB.RlsTimeOut <> CommState.RlsTimeOut Then NoChange = FALSE
        If WorkDCB.CtsTimeOut <> CommState.CtsTimeOut Then NoChange = FALSE
        If WorkDCB.DsrTimeOut <> CommState.DsrTimeOut Then NoChange = FALSE

        If NoChange = TRUE Then
            Unload LineDlg
            Exit Sub
        End If
        
        UpdateCaption " DIALOG: Change Active Settings (Yes), Post-Pone (No), Return to Dialog (Cancel)", 0
        
        Result% = MsgBox("Port Already Active!" + Chr$(13) + "Activate settings Now?", 3 + 16 + 256, "Terminal Sampler II - Port Active")
    
        Select Case Result%
            Case 6
                UpdateCaption " Changing Port Settings LIVE!", 0
                
                CommRBBuffer = WorkRB
                CommTBBuffer = WorkTB
                CommState = WorkDCB
                CommReadInterval = WorkInterval

                PostRBBuffer = WorkRB
                PostTBBuffer = WorkTB
                PostState = WorkDCB
                PostReadInterval = WorkInterval
                
                Receive.Receive_Timer.interval = CommReadInterval

                ApiErr% = SetCommState(WorkDCB)
                
                Unload LineDlg
            Case 7
                UpdateCaption " Settings Post-Poned until next CONNECT", 0
                
                PostRBBuffer = WorkRB
                PostTBBuffer = WorkTB
                PostState = WorkDCB
                PostReadInterval = WorkInterval

                Unload LineDlg
            Case Else
                DisplayQBOpen WorkDCB, CommPortName$, WorkRB, WorkTB, WorkInterval
        End Select

    Else

        CommRBBuffer = WorkRB
        CommTBBuffer = WorkTB
        CommState = WorkDCB
        CommReadInterval = WorkInterval

        PostRBBuffer = WorkRB
        PostTBBuffer = WorkTB
        PostState = WorkDCB
        PostReadInterval = WorkInterval

        Unload LineDlg

    End If

End Sub

Sub Signal_Detect_CD_Scroll_Change ()

    ProcessScrollChange Signal_Detect_CD_Scroll, Signal_Detect_CD_Text

End Sub

Sub Signal_Detect_CS_Scroll_Change ()

    ProcessScrollChange Signal_Detect_CS_Scroll, Signal_Detect_CS_Text

End Sub

Sub Signal_Detect_DS_Scroll_Change ()

    ProcessScrollChange Signal_Detect_DS_Scroll, Signal_Detect_DS_Text

End Sub

Sub Comm_Receive_Scroll_Change ()

    ProcessScrollChange Comm_Receive_Scroll, Comm_Receive_Text

End Sub


Sub Comm_Transmit_Scroll_Change ()

    ProcessScrollChange Comm_Transmit_Scroll, Comm_Transmit_Text

End Sub

Sub Poll_Interval_Scroll_Change ()

    ProcessScrollChange Poll_Interval_Scroll, Poll_Interval_Text

End Sub

Sub Poll_Interval_Text_KeyPress (KeyAscii As Integer)

    ProcessTextKeyPress Poll_Interval_Scroll, Poll_Interval_Text, Comm_Receive_Text, KeyAscii

End Sub


Sub Comm_Receive_Text_KeyPress (KeyAscii As Integer)

    ProcessTextKeyPress Comm_Receive_Scroll, Comm_Receive_Text, Comm_Transmit_Text, KeyAscii

End Sub


Sub Comm_Receive_Text_Change ()

    ProcessTextChange Comm_Receive_Scroll, Comm_Receive_Text

    WorkRB = Comm_Receive_Scroll.value
    
    DisplayQBOpen WorkDCB, CommPortName$, WorkRB, WorkTB, WorkInterval

End Sub


Sub Comm_Receive_Text_LostFocus ()

    ProcessTextLostFocus Comm_Receive_Scroll, Comm_Receive_Text

End Sub


Sub ProcessTextChange (A_Scroll As Control, A_Text As Control)


    WorkVal& = Val(A_Text.Text)

    If WorkVal& > A_Scroll.Max Then
        A_Text.Text = LTrim$(Str$(A_Scroll.Max))
        WorkVal& = A_Scroll.Max
    ElseIf WorkVal& < A_Scroll.Min Then
        Exit Sub
    End If
        
    A% = Len(A_Text.Text)

    A_Scroll.value = WorkVal&

    If A% = 0 Then
        A_Text.SelStart = Len(A_Text.Text)
    End If

End Sub

Sub Comm_Transmit_Text_Change ()

    ProcessTextChange Comm_Transmit_Scroll, Comm_Transmit_Text

    WorkTB = Comm_Transmit_Scroll.value

    DisplayQBOpen WorkDCB, CommPortName$, WorkRB, WorkTB, WorkInterval

End Sub

Sub Poll_Interval_Text_Change ()

    ProcessTextChange Poll_Interval_Scroll, Poll_Interval_Text

    WorkInterval = Poll_Interval_Scroll.value

    DisplayQBOpen WorkDCB, CommPortName$, WorkRB, WorkTB, WorkInterval

End Sub

Sub Signal_Detect_CD_Text_Change ()

    ProcessTextChange Signal_Detect_CD_Scroll, Signal_Detect_CD_Text

    WorkDCB.RlsTimeOut = Signal_Detect_CD_Scroll.value

    DisplayQBOpen WorkDCB, CommPortName$, WorkRB, WorkTB, WorkInterval

End Sub

Sub Signal_Detect_CS_Text_Change ()

    ProcessTextChange Signal_Detect_CS_Scroll, Signal_Detect_CS_Text

    WorkDCB.CtsTimeOut = Signal_Detect_CS_Scroll.value

    DisplayQBOpen WorkDCB, CommPortName$, WorkRB, WorkTB, WorkInterval

End Sub

Sub Signal_Detect_DS_Text_Change ()

    ProcessTextChange Signal_Detect_DS_Scroll, Signal_Detect_DS_Text

    WorkDCB.DsrTimeOut = Signal_Detect_DS_Scroll.value

    DisplayQBOpen WorkDCB, CommPortName$, WorkRB, WorkTB, WorkInterval

End Sub

Sub ProcessTextKeyPress (A_Scroll As Control, A_Text As Control, Next_Text As Control, KeyAscii As Integer)

    Select Case KeyAscii
        Case 8
        Case 13
            KeyAscii = 0
            Next_Text.SetFocus
        Case Asc("0") To Asc("9")
            If A_Text.Sellength = 0 Then
                If KeyAscii = Asc("0") Then
                    If A_Text.SelStart = 0 Then
                        KeyAscii = 0
                    ElseIf Val(A_Text.Text) = 0 Then
                        KeyAscii = 0
                    End If
                ElseIf Len(A_Text.Text) >= Len(Str$(A_Scroll.Max)) - 1 Then
                    KeyAscii = 0
                End If
            End If
        Case Else
            KeyAscii = 0
    End Select

End Sub

Sub ProcessScrollChange (A_Scroll As Control, A_Text As Control)

    Work$ = LTrim$(Str$(A_Scroll.value))

    If Work$ <> LTrim$(A_Text.Text) Then
        A_Text.Text = Work$
    End If

End Sub

Sub Comm_Transmit_Text_KeyPress (KeyAscii As Integer)

    ProcessTextKeyPress Comm_Transmit_Scroll, Comm_Transmit_Text, Signal_Detect_CD_Text, KeyAscii

End Sub

Sub Signal_Detect_CD_Text_KeyPress (KeyAscii As Integer)

    ProcessTextKeyPress Signal_Detect_CD_Scroll, Signal_Detect_CD_Text, Signal_Detect_CS_Text, KeyAscii

End Sub

Sub Signal_Detect_CS_Text_KeyPress (KeyAscii As Integer)

    ProcessTextKeyPress Signal_Detect_CS_Scroll, Signal_Detect_CS_Text, Signal_Detect_DS_Text, KeyAscii

End Sub

Sub Signal_Detect_DS_Text_KeyPress (KeyAscii As Integer)

    ProcessTextKeyPress Signal_Detect_DS_Scroll, Signal_Detect_DS_Text, Poll_Interval_Text, KeyAscii

End Sub

Sub ProcessTextLostFocus (A_Scroll As Control, A_Text As Control)
    
    If Len(A_Text.Text) = 0 Then
        A_Text.Text = LTrim$(Str$(A_Scroll.Min))
        A_Text.SelStart = Len(A_Text.Text)
    ElseIf Val(A_Text.Text) < A_Scroll.Min Then
        A_Text.Text = LTrim$(Str$(A_Scroll.Min))
    End If
    
End Sub

Sub Comm_Transmit_Text_LostFocus ()

    ProcessTextLostFocus Comm_Transmit_Scroll, Comm_Transmit_Text

End Sub

Sub Poll_Interval_Text_LostFocus ()

    ProcessTextLostFocus Poll_Interval_Scroll, Poll_Interval_Text

End Sub

Sub Signal_Detect_CD_Text_LostFocus ()

    ProcessTextLostFocus Signal_Detect_CD_Scroll, Signal_Detect_CD_Text

End Sub

Sub Signal_Detect_CS_Text_LostFocus ()

    ProcessTextLostFocus Signal_Detect_CS_Scroll, Signal_Detect_CS_Text

End Sub

Sub Signal_Detect_DS_Text_LostFocus ()

    ProcessTextLostFocus Signal_Detect_DS_Scroll, Signal_Detect_DS_Text

End Sub

Sub SizeControls ()
    AdjustControl Comm_Receive_Scroll, Comm_Receive_Text, Comm_Receive_Label, Comm_Buffer_Size_Frame
    AdjustControl Comm_Transmit_Scroll, Comm_Transmit_Text, Comm_Transmit_Label, Comm_Buffer_Size_Frame
    AdjustControl Signal_Detect_CD_Scroll, Signal_Detect_CD_Text, Signal_Detect_CD_Label, Signal_Detect_Frame
    AdjustControl Signal_Detect_CS_Scroll, Signal_Detect_CS_Text, Signal_Detect_CS_Label, Signal_Detect_Frame
    AdjustControl Signal_Detect_DS_Scroll, Signal_Detect_DS_Text, Signal_Detect_DS_Label, Signal_Detect_Frame
    AdjustControl Poll_Interval_Scroll, Poll_Interval_Text, Poll_Interval_Label, Poll_Buffer_Frame
End Sub


Sub AdjustControl (A_Scroll As Control, A_Text As Control, A_Label As Control, A_Frame As Control)

    A_Text.Width = WidthOfText
    A_Text.Left = A_Frame.Width - (A_Label.Left + A_Text.Width)
    A_Scroll.height = A_Text.height
    A_Scroll.Width = A_Text.Width * 2
    A_Scroll.Top = A_Text.Top
    A_Scroll.Left = A_Text.Left - A_Scroll.Width - A_Text.Width \ 4

End Sub