Mastering Visual Basic 5/MasteringVisualBasic5.iso/ch_code/ch07/rtfpad/rtbox.frm

Visual Basic Form | 1997-02-20 | 10.9 KB | 324 lines

VERSION 5.00
Object = "{F9043C88-F6F2-101A-A3C9-08002B2F49FB}#1.1#0"; "COMDLG32.OCX"
Object = "{3B7C8863-D78F-101B-B9B5-04021C009402}#1.1#0"; "RICHTX32.OCX"
Object = "{6B7E6392-850A-101B-AFC0-4210102A8DA7}#1.1#0"; "COMCTL32.OCX"
Begin VB.Form Form1
   Caption         =   "RTFPad"
   ClientHeight    =   5730
   ClientLeft      =   2040
   ClientTop       =   1965
   ClientWidth     =   9255
   LinkTopic       =   "Form1"
   PaletteMode     =   1  'UseZOrder
   ScaleHeight     =   5730
   ScaleWidth      =   9255
   Begin RichTextLib.RichTextBox RichTextBox1
      Height          =   3630
      Left            =   255
      TabIndex        =   0
      Top             =   780
      Width           =   8790
      _ExtentX        =   15505
      _ExtentY        =   6403
      _Version        =   327680
      Enabled         =   -1  'True
      HideSelection   =   0   'False
      ScrollBars      =   2
      RightMargin     =   4989.764
      TextRTF         =   $"RTBox.frx":0000
      BeginProperty Font {0BE35203-8F91-11CE-9DE3-00AA004BB851}
         Name            =   "Tahoma"
         Size            =   9.75
         Charset         =   0
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
   End
   Begin ComctlLib.Slider Slider2
      Height          =   300
      Left            =   165
      TabIndex        =   2
      TabStop         =   0   'False
      Top             =   390
      Width           =   8940
      _ExtentX        =   15769
      _ExtentY        =   529
      _Version        =   327680
      LargeChange     =   4
      Max             =   12
   End
   Begin ComctlLib.Slider Slider1
      Height          =   285
      Left            =   165
      TabIndex        =   1
      TabStop         =   0   'False
      Top             =   150
      Width           =   8940
      _ExtentX        =   15769
      _ExtentY        =   503
      _Version        =   327680
      LargeChange     =   4
      Max             =   12
      TickStyle       =   3
   End
   Begin VB.Frame Frame1
      Height          =   750
      Left            =   75
      TabIndex        =   3
      Top             =   0
      Width           =   9075
   End
   Begin MSComDlg.CommonDialog CommonDialog1
      Left            =   105
      Top             =   0
      _ExtentX        =   847
      _ExtentY        =   847
      _Version        =   327680
      FontSize        =   1.17491e-38
   End
   Begin VB.Menu FileMenu
      Caption         =   "File"
      Begin VB.Menu FileNew
         Caption         =   "New"
      End
      Begin VB.Menu FileOpen
         Caption         =   "Open"
      End
      Begin VB.Menu FileSave
         Caption         =   "Save"
      End
      Begin VB.Menu FileSaveAs
         Caption         =   "Save As"
      End
      Begin VB.Menu FileExit
         Caption         =   "Exit"
      End
   End
   Begin VB.Menu EditMenu
      Caption         =   "Edit"
      Begin VB.Menu EditCopy
         Caption         =   "Copy"
      End
      Begin VB.Menu EditCut
         Caption         =   "Cut"
      End
      Begin VB.Menu EditPaste
         Caption         =   "Paste"
      End
      Begin VB.Menu EditSelect
         Caption         =   "Select All"
      End
      Begin VB.Menu EditSeparator
         Caption         =   "-"
      End
      Begin VB.Menu EditFind
         Caption         =   "Find"
      End
   End
   Begin VB.Menu FormatMenu
      Caption         =   "Format"
      Begin VB.Menu EditFont
         Caption         =   "Font"
      End
      Begin VB.Menu FormatSeparator
         Caption         =   "-"
      End
      Begin VB.Menu FormatBold
         Caption         =   "Bold"
      End
      Begin VB.Menu FormatItalic
         Caption         =   "Italic"
      End
      Begin VB.Menu FormatUnderline
         Caption         =   "Underline"
      End
      Begin VB.Menu FormatRegular
         Caption         =   "Regular"
      End
   End
Attribute VB_Name = "Form1"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Private Sub EditCopy_Click()
    Clipboard.SetText RichTextBox1.SelRTF
End Sub
Private Sub EditCut_Click()
    Clipboard.SetText RichTextBox1.SelRTF
    RichTextBox1.SelRTF = ""
End Sub
Private Sub EditFind_Click()
    Form2.Show
End Sub
Private Sub EditFont_Click()
On Error Resume Next
    CommonDialog1.Flags = cdlCFBoth
    CommonDialog1.ShowFont
    RichTextBox1.SelFontName = CommonDialog1.FontName
    RichTextBox1.SelBold = CommonDialog1.FontBold
    RichTextBox1.SelItalic = CommonDialog1.FontItalic
    RichTextBox1.SelFontSize = CommonDialog1.FontSize
End Sub
Private Sub EditPaste_Click()
    RichTextBox1.SelRTF = Clipboard.GetText()
End Sub
Private Sub EditSelect_Click()
    RichTextBox1.SelStart = 0
    RichTextBox1.SelLength = Len(RichTextBox1.Text)
End Sub
Private Sub FileNew_Click()
    RichTextBox1.Text = ""
End Sub
Private Sub FileOpen_Click()
Dim txt As String
Dim FNum As Integer
'On Error GoTo FileError:
    CommonDialog1.CancelError = True
    CommonDialog1.Flags = cdlOFNFileMustExist
    CommonDialog1.DefaultExt = "RTF"
    CommonDialog1.Filter = "RTF Files|*.RTF|Text Files|*.TXT|All Files|*.*"
    CommonDialog1.ShowOpen
    If UCase(Right(CommonDialog1.filename, 3)) = "RTF" Then
        tmode = rtfRTF
    Else
        tmode = rtfText
    End If

    RichTextBox1.LoadFile CommonDialog1.filename, tmode
    OpenFile = CommonDialog1.filename
    Exit Sub
FileError:
    If Err.Number = cdlCancel Then Exit Sub
    MsgBox "Unkown error while opening file " & CommonDialog1.filename
    OpenFile = ""
End Sub
Private Sub FileSave_Click()
Dim FNum As Integer
Dim txt As String
    If OpenFile = "" Then
        FileSaveAs_Click
        Exit Sub
    End If
On Error GoTo FileError
    EditSelect_Click
    RichTextBox1.SaveFile OpenFile
    Exit Sub
FileError:
    If Err.Number = cdlCancel Then Exit Sub
    MsgBox "Unkown error while saving file " & OpenFile
    OpenFile = ""
End Sub
Private Sub FileSaveAs_Click()
Dim txt As String
Dim FNum As Integer
On Error GoTo FileError:
    CommonDialog1.CancelError = True
    CommonDialog1.DefaultExt = "RTF"
    CommonDialog1.Filter = "RTF Files|*.RTF|Text Files|*.TXT|All Files|*.*"
    CommonDialog1.ShowSave
    RichTextBox1.SaveFile CommonDialog1.filename, rtfRTF
    OpenFile = CommonDialog1.filename
    Exit Sub
FileError:
    If Err.Number = cdlCancel Then Exit Sub
    MsgBox "Unkown error while opening file " & CommonDialog1.filename
    OpenFile = ""
End Sub
Private Sub Form_Load()
    RichTextBox1.RightMargin = RichTextBox1.Width - 100
    Frame1.Width = RichTextBox1.Width + 200
    Slider1.Width = Form1.ScaleX(6, vbInches, vbTwips)
    Slider2.Width = Form1.ScaleX(6, vbInches, vbTwips)
    RichTextBox1.Top = Form1.Top + Frame1.Height + 100
    RichTextBox1.Width = Form1.ScaleX(6, vbInches, vbTwips)
    RichTextBox1.Height = Form1.Height - Frame1.Height - 1400
    RichTextBox1.RightMargin = RichTextBox1.Width - 100
End Sub
Private Sub Form_Resize()
    RichTextBox1.RightMargin = RichTextBox1.Width - 100
    Frame1.Width = RichTextBox1.Width + 200
    Slider1.Width = Form1.ScaleX(6, vbInches, vbTwips)
    Slider2.Width = Form1.ScaleX(6, vbInches, vbTwips)
    RichTextBox1.Top = Frame1.Top + Frame1.Height + 100
    RichTextBox1.Width = Form1.ScaleX(6, vbInches, vbTwips)
    RichTextBox1.Height = Form1.Height - Frame1.Height - 1800
    RichTextBox1.RightMargin = RichTextBox1.Width - 100
End Sub
Private Sub FormatBold_Click()
    FormatBold.Checked = Not FormatBold.Checked
    RichTextBox1.SelBold = FormatBold.Checked
End Sub
Private Sub FormatItalic_Click()
    FormatItalic.Checked = Not FormatItalic.Checked
    RichTextBox1.SelItalic = FormatItalic.Checked
End Sub
Private Sub FormatRegular_Click()
    FormatBold.Checked = False
    FormatItalic.Checked = False
    FormatUnderline.Checked = False
    RichTextBox1.SelBold = False
    RichTextBox1.SelItalic = False
    RichTextBox1.SelUnderline = False
End Sub
Private Sub FormatUnderline_Click()
    FormatUnderline.Checked = Not FormatUnderline.Checked
    RichTextBox1.SelUnderline = FormatUnderline.Checked
End Sub
Private Sub RichTextBox1_KeyUp(KeyCode As Integer, Shift As Integer)

' Select word, or sentence
    If Shift = vbCtrlMask Then
        Select Case KeyCode
            ' If Ctrl+S:
            Case vbKeyS
                RichTextBox1.Span ".?!", False, True
                SelectionStart = RichTextBox1.SelStart
                ' Select to the end of the sentence.
                RichTextBox1.Span ".?!", True, True
                ' Extend selection to include punctuation.
                SelectionEnd = RichTextBox1.SelStart + RichTextBox1.SelLength
                RichTextBox1.SelStart = SelectionStart
                RichTextBox1.SelLength = SelectionEnd - SelectionStart

            ' If Ctrl+W:
            Case vbKeyW
                ' Select to the end of the word.
                RichTextBox1.Span " ,;:.?!", False, True
                SelectionStart = RichTextBox1.SelStart
                ' Select to the end of the word
                RichTextBox1.Span " ,;:.?!", True, True

                SelectionEnd = RichTextBox1.SelStart + RichTextBox1.SelLength
                RichTextBox1.SelStart = SelectionStart
                RichTextBox1.SelLength = SelectionEnd - SelectionStart

            End Select
    End If
' Move pointer by word or sentence
    If Shift = (vbCtrlMask Or vbShiftMask) Then
        Select Case KeyCode
        Case vbKeyS
            ' Move pointer to end of sentence.
            RichTextBox1.UpTo ".?!", True, False
        Case vbKeyW
            ' Move pointer to end of word.
            RichTextBox1.UpTo " ,;:.?!", True, False
        End Select
    End If
End Sub
Private Sub RichTextBox1_SelChange()
    If Not IsNull(RichTextBox1.SelBold) Then FormatBold.Checked = RichTextBox1.SelBold
    If Not IsNull(RichTextBox1.SelItalic) Then FormatItalic.Checked = RichTextBox1.SelItalic
    If Not IsNull(RichTextBox1.SelUnderline) Then FormatUnderline.Checked = RichTextBox1.SelUnderline
End Sub
Private Sub Slider1_Scroll()
    RichTextBox1.SelIndent = RichTextBox1.RightMargin * (Slider1.Value / Slider1.Max)
    Slider2_Scroll
End Sub
Private Sub Slider2_Scroll()
    RichTextBox1.SelHangingIndent = RichTextBox1.RightMargin * ((Slider2.Value - Slider1.Value) / Slider2.Max)
End Sub