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Editor WIP
#2
(07-28-2024, 11:00 PM)bplus Wrote: Here is my Editor project kind of stalled out for awhile. It is 820 LOC and has allot of standard features QB64 has including Cut, Copy and Paste. This is working condition before I attempted to add horizontal scrolling so that part is not working like QB64 yet. You have 100 chars wide plus?... screening.

You should have entire menu with one right click but F2 button not added yet. It pastes the entire file you are working on into the Clipboard to paste where-ever you want. So this thing should not need instructions to use, if it does I'd like to know. The menu lists the shortcut buttons with it's function.

Code: (Select All)
Option _Explicit
_Title "Edit VLSA" ' bplus start 2023-11-12 Edit - Variable Length String Arrays

' Screen, colors, font
Dim Shared As Long XMax: XMax = 1200 '109 chars wide minus 6 space for line numbers  100 chars
Dim Shared As Long YMax: YMax = 700 ' 30 chars high (600) + 100 pixels = 5 rows for Editor stuff
Screen _NewImage(XMax, YMax, 32): _ScreenMove 40, 35
Dim Shared As _Unsigned Long FG, BG, EFG, EBG: ColorTheme 1 ' Forest color theme
Dim Shared As Long Fnt, FW, FH: Fnt = _LoadFont("lucon.ttf", 18, "MONOSPACE") ' add font to folder
If Fnt <= 0 Then Print "Font failed to load, goodbye!": _Delay 5: System
_Font Fnt: FH = _FontHeight: FW = _FontWidth 'FW=11, FH=18 use 20 for row height, cursor fits below

' cursor on screen area
Dim Shared As Long MinCol: MinCol = 7 ' on left is 5 digits and space for line numbers
Dim Shared As Long MaxCol: MaxCol = 109 ' 109 no minus 6 for line numbers but text starts on col 7
Dim Shared As Long MaxRow: MaxRow = 30 ' 30 rows * 20

' for display, track the array index for top row of screen
Dim Shared As Long VsScreenTop: VsScreenTop = 1
Dim Shared As Long VsUB, VsIndex, VsCol ' <<<  only set or updated in CheckShared
Dim Shared VsTail$, VsHead$ ' CheckShared but Backspace sets VsHead$ too
ReDim Shared VS$(1 To 1) ' VS$ Variable String main work array

' cursor
Dim Shared As Long CCol, CRow ' the cursor position on screen and actual text is 7 char position

'track selected text and highlighting it
Dim Shared As Long Shift ' Shared?? used in CheckShift sub, one line could be added back in main
Dim Shared As Long SelRow, SelCol ' these anchor the one point in text for cursor in any direction

' work file
Dim Shared Filename$ ' the working filename "untitled" no extension until SaveIt called
Dim Shared As Long NeedsSaving: NeedsSaving = 0 ' track whether the work needs to be saved

' search and change
Dim Shared Find$, CaseSense As Long, Change$, findR As Long, findC As Long

' locals
Dim As Long kh, ctrl, alt, b1, b2 ' key variables and booleans
Dim As Long scroll, mdx, mdy, mx, my, mb, mdFlag, saveTOP ' mouse and flags for mouse functions
Dim As Long saveMdx, saveMdy, saveMx, saveMy ' detecting pixel moves of mouse to select single char
Dim s$ ' to shorten super long code lines because of text ie messagebox text
FLoad
Do 'main interface loop
    CheckShared ' the one and only place where all the Vs... Variables are set Except VsTopScreen!
    Show ' replace CLS now draws cursor and _displays from sub
    _Limit 60 'easy on the cpu?
    kh = _KeyHit
    Shift = _KeyDown(100304) Or _KeyDown(100303)
    ctrl = _KeyDown(100306) Or _KeyDown(100305)
    alt = _KeyDown(100308) Or _KeyDown(100307)
    Do While _MouseInput '               scrolling just like an up or down arrow
        scroll = _MouseWheel
        If scroll = -1 Then 'up
            CRow = 1 ' faster scrolling
            kh = 18432
        ElseIf scroll = 1 Then 'down
            If VsScreenTop + 30 - 1 > VsUB Then CRow = VsUB - VsScreenTop + 1 Else CRow = 30
            kh = 20480
        End If
    Loop

    '    MouseButton down and drag set MouseDown x, y for select anchor
    '
    '     Yea! Finally this will highlite up and down screen by dragging mouse!
    '     Saved EDIT VSLA 2023-11-24 ***
    '
    mdFlag = 0: saveMdx = _MouseX: saveMdy = _MouseY ' get precise pixels for later
    mdx = saveMdx \ FW + 1: mdy = saveMdy \ 20 + 1: mb = _MouseButton(1)

    If mb And ((mdx >= MinCol) And ((mdx <= MaxCol) And (mdy <= MaxCol))) Then
        SelRow = VsScreenTop + mdy - 1: SelCol = mdx - 6
        mdFlag = 1: saveTOP = VsScreenTop ' this is for just a click? code
        'Beep ' should only be once at mouse down OK
        Do
            While _MouseInput: Wend
            saveMx = _MouseX: saveMy = _MouseY
            mx = saveMx \ FW + 1: my = saveMy \ 20 + 1: mb = _MouseButton(1)
            If ((mx >= MinCol) And (mx <= MaxCol)) And (mb And (my <= MaxRow)) Then
                If (saveMy < 4) And ((mx >= MinCol) And (mx <= MaxCol)) Then 'scroll up
                    If VsScreenTop > 1 Then VsScreenTop = VsScreenTop - 1: _Delay .1
                ElseIf (saveMy > 596) And ((mx >= MinCol) And (mx <= MaxCol)) Then 'scroll down?
                    If VsScreenTop < VsUB Then VsScreenTop = VsScreenTop + 1: _Delay .1
                End If
                CRow = my: CCol = mx
                If CRow + VsScreenTop - 1 > VsUB Then CRow = VsUB - VsScreenTop + 1
                Show
            End If
        Loop Until mb = 0
    End If

    If mdFlag Then ' was it just a click? Just the slightest drag is needed to select 1 char
        b1 = Abs(saveMdx - saveMx) < 2: b2 = Abs(saveMdy - saveMy) < 2
        If (b1 And b2) And (VsScreenTop = saveTOP) Then
            SelRow = 0: SelCol = 0 ' yes just a click else select single char
        End If
    End If

    Select Case kh
        Case 96 And ctrl And Shift ' this is dummy thing because have really wierd error
        Case 18176 And ctrl And Shift ' ctrl + shift + home
            SelRow = VsScreenTop + CRow - 1: CCol = Len(VS$(SelRow)) + 6
            VsScreenTop = 1: CRow = 1: CCol = 7
        Case 20224 And ctrl And Shift ' ctrl + shift + end
            SelRow = VsScreenTop + CRow - 1: CCol = 7
            VsScreenTop = VsUB: CRow = 1: CCol = Len(VS$(VsUB)) + 6
        Case 96 And ctrl ' tic + ctrl this is dummy thing because have really wierd error
        Case 120 And ctrl: CopySelected: DeleteSelected: NeedsSaving = -1 ' ctrl and x  cut
        Case 99 And ctrl: CopySelected ' 11/25 fix changing CRow          ' ctrl and c copy
        Case 118 And ctrl: Paste: NeedsSaving = -1 '                        ctrl and V paste
        Case 110 And ctrl: New '       ctrl and N new       file stuff
        Case 111 And ctrl: FLoad '     ctrl and O open
        Case 115 And ctrl: SaveIt '    ctrl and S Save
        Case 97 And ctrl: SaveAsName ' ctrl and A Save As
        Case 15616 And ctrl: FindWhat 1: FindNext 0 ' ctrl + F3 is Find...
        Case 15616 And Shift: FindNext -1
        Case 18176 And ctrl: VsScreenTop = 1: CRow = 1: CCol = 7 '                    ctrl+home
        Case 20224 And ctrl: VsScreenTop = VsUB: CRow = 1: CCol = Len(VS$(VsUB)) + 6 ' ctrl+end
        Case 15616 And alt: ChangeToWhat 0 ' alt + F3
        Case 21248 ' delete above my backspace keyboard
            If SelRow Then
                DeleteSelected
            ElseIf VsTail$ = "" Then
                VS$(VsIndex) = VsHead$ + VS$(VsIndex + 1)
                DynArr_Delete VsIndex + 1, VS$()
            Else
                VS$(VsIndex) = VsHead$ + Right$(VsTail$, Len(VsTail$) - 1)
            End If
            NeedsSaving = -1: SelRow = 0
        Case 8 ' backspace   drag text at the cursor
            If SelRow Then DeleteSelected
            If CCol > 7 Then ' to left one space
                VS$(VsIndex) = Mid$(VsHead$, 1, Len(VsHead$) - 1) + VsTail$
                CCol = CCol - 1: NeedsSaving = -1
            ElseIf CCol = 7 And CRow > 1 Then 'drag VsTail$ up to end of back row
                CRow = CRow - 1: NeedsSaving = -1
                VsHead$ = VS$(VsIndex - 1)
                CCol = Len(VsHead$) + 1 + 6
                VS$(VsIndex - 1) = VsHead$ + VsTail$
                DynArr_Delete VsIndex, VS$() 'delete line at vsIndex
            End If
            NeedsSaving = -1: SelRow = 0
        Case 13 ' enter
            If SelRow Then DeleteSelected
            If CCol = 7 Then ' blank line here and all else moved down
                DynArr_Insert "", VsIndex, VS$()
            ElseIf CCol >= Len(VS$(VsIndex)) + 1 + 6 Then ' next line is blank
                DynArr_Insert "", VsIndex + 1, VS$()
            Else ' in the middle of the text line
                VS$(VsIndex) = VsHead$
                DynArr_Insert VsTail$, VsIndex + 1, VS$()
            End If
            CCol = 1 + 6
            If CRow < MaxRow Then ' fix curs going down past screen!
                CRow = CRow + 1
            Else
                VsScreenTop = VsScreenTop + 1
            End If
            NeedsSaving = -1: SelRow = 0
        Case 32 To 255 And (ctrl = 0)
            If SelRow Then DeleteSelected
            If CCol < MaxCol Then ' insert chr$ and advance
                VS$(VsIndex) = VsHead$ + Chr$(kh) + VsTail$
                CCol = CCol + 1
            Else
                s$ = "You are at the end of line for editing."
                _MessageBox "Keypress ignored.", s$, "warning"
            End If
            NeedsSaving = -1: SelRow = 0
        Case 18432 ' up
            CheckShift
            If CRow > 1 Then
                CRow = CRow - 1
            ElseIf VsScreenTop > 1 Then
                VsScreenTop = VsScreenTop - 1
            End If
        Case 20480 ' down
            CheckShift
            If CRow < MaxRow And CRow + VsScreenTop <= VsUB Then
                CRow = CRow + 1
            ElseIf VsScreenTop < VsUB And CRow + VsScreenTop <= VsUB Then
                VsScreenTop = VsScreenTop + 1
            End If
        Case 19200 ' left
            CheckShift: If CCol > 7 Then CCol = CCol - 1
        Case 19712 ' right
            CheckShift: If CCol < MaxCol Then CCol = CCol + 1
        Case 18176 ' home
            CheckShift: CCol = 7
        Case 20224 ' end  vs$(index) = VsScreenTop + Crow-1
            CheckShift: CCol = Len(VS$(VsScreenTop + CRow - 1)) + 7
            If CCol > MaxCol Then CCol = MaxCol
        Case 18688 ' page up
            CheckShift
            If VsScreenTop > MaxRow Then VsScreenTop = VsScreenTop - MaxRow Else VsScreenTop = 1
        Case 20736 ' page down
            CheckShift: If VsScreenTop + MaxRow <= VsUB Then VsScreenTop = VsScreenTop + MaxRow
            If CRow + VsScreenTop > VsUB Then CRow = VsUB - VsScreenTop + 1
            If CRow < 1 Then Beep: CRow = 1 ' needed  ?
        Case 27: CheckSave: System '  esc                  exec keys
        Case 15104: Menu '            F1 help
        Case 15360: LoadClip '        F2 loads file array into Clipboard
        Case 15616: FindNext 0 '      F3 Find Next
        Case 15872: ChangeToWhat -1 ' F4 Change all
    End Select
    If _MouseButton(2) Then Menu
Loop

' ========================================File Handling Stuff might make a nice ToolBox !
Sub CheckSave
    Dim a As Long, s$
    If NeedsSaving = -1 Then
        s$ = "Do you want to save changes to " + Filename$
        a = _MessageBox("Save work?", s$, "yesno", "question")
        If a = 1 Then SaveIt
    End If
End Sub

Sub New
    CheckSave
    ReDim VS$(1 To 1)
    CCol = 7: CRow = 1: VsScreenTop = 1: NeedsSaving = 0
    Filename$ = "untitled": SelRow = 0: SelCol = 0
End Sub

Sub FLoad () 'to do a .txt file getter plug-in here
    Dim fn$, fline$
    Dim As Long lc, ub
    CheckSave
    fn$ = _OpenFileDialog$("Select File to Edit", , "*.txt|*.bas", "Text or Basic files")
    If fn$ <> "" Then
        If _FileExists(fn$) Then
            ReDim VS$(1 To 100)
            Open fn$ For Input As #1
            While Not EOF(1)
                Line Input #1, fline$
                lc = lc + 1
                ub = UBound(VS$)
                If lc > UBound(VS$) Then ReDim _Preserve VS$(1 To ub + 100)
                VS$(lc) = fline$
            Wend
            Close #1
            ReDim _Preserve VS$(1 To lc)
            Filename$ = fn$
            CCol = 7: CRow = 1: VsScreenTop = 1: NeedsSaving = 0
            SelRow = 0: SelCol = 0
        End If
    End If
End Sub

Sub SaveIt
    Dim lb As Long, i As Long, fini As Long
    If Filename$ = "untitled" Then SaveAsName: Exit Sub ' get a name going
    lb = LBound(VS$)
    i = UBound(VS$) ' dont save a bunch of emptiness
    While _Trim$(VS$(i)) = "" ' don't go below lb
        If i - 1 > lb Then i = i - 1 Else Exit While
    Wend
    fini = i
    Open Filename$ For Output As #1
    For i = 1 To fini
        Print #1, VS$(i)
    Next
    Close
    NeedsSaving = 0
    _MessageBox "Saved", Filename$
End Sub

Sub SaveAsName ' reset a file name then save to that
    Dim answer$, t$, w$, m$, n$, yn As Long
    t$ = "Save As Warning:"
    w$ = "warning"
    n$ = "Nothing has been saved yet."
    answer$ = _SaveFileDialog$("Save File As:", _CWD$, "*.txt|*.bas", "txt or bas file")
    If answer$ <> "" Then
        If _FileExists(answer$) Then
            m$ = answer$ + ", File already exists. Do you wish to Start Over?"
            yn = _MessageBox("Write Over Existing File?", m$, "yesno", w$)
            If yn <> 1 Then _MessageBox t$, n$, w$: Exit Sub
        End If
        Filename$ = answer$
        _Delay .1 'make sure the name is changed  Why the hell is this asking me twice!!!!!!!!
        SaveIt
    Else
        _MessageBox t$, n$, w$
    End If
End Sub
' ========================================================= End of File Handling Stuff

Sub CheckShared
    Dim s$, ls As Long
    If CRow < 1 Then CRow = CRow + 1
    While CRow > MaxRow
        CRow = CRow - 1
    Wend
    While CCol < MinCol
        CCol = CCol + 1
    Wend
    While CCol > MaxCol ' get col in screen
        CCol = CCol - 1
    Wend
    VsUB = UBound(VS$)
    If VsScreenTop > VsUB Then VsScreenTop = VsUB
    While VsScreenTop + CRow - 1 > VsUB
        CRow = CRow - 1
    Wend
    VsIndex = VsScreenTop + CRow - 1
    VsCol = CCol - 6
    s$ = VS$(VsIndex): ls = Len(s$)
    If VsCol > ls Then
        s$ = Left$(s$ + Space$(103), 103)
        VsTail$ = RTrim$(Mid$(s$, VsCol))
    Else
        VsTail$ = Mid$(s$, VsCol)
    End If
    If VsCol > 1 Then VsHead$ = Mid$(s$, 1, VsCol - 1) Else VsHead$ = ""
End Sub

Sub CheckShift ' do I need this?  oh yeah now I do!!! use only on navigator keys
    If SelRow And Shift Then
        ' ok
    ElseIf SelRow = 0 And Shift Then ' select on
        SelRow = VsScreenTop + CRow - 1: SelCol = CCol - 6 ' set anchor point
    Else
        SelRow = 0: SelCol = 0 ' select off
    End If
End Sub

Sub DrwCurs ' for this app specially for font
    Static As Long loops
    loops = loops + 1
    If loops Mod 30 < 15 Then
        Line ((CCol - 1) * FW, (CRow - 1) * 20 + 19)-Step(FW, 1), FG, BF
    End If
    If loops Mod 30 = 0 Then loops = 1
End Sub

Sub Show ' and tell when the line is getting dangerously long, no word wrap
    Dim As Long i, r, fini
    Dim As Long selLow, selHigh, selRow2, selCol2, lC, rCol ' for showing selected text
    Dim s$
    Line (0, 0)-(6 * FW, _Height), EBG, BF
    Line (0, 30.5 * 20)-(_Width, _Height), EBG, BF
    Line (6 * FW, 0)-(_Width, 30.5 * 20), BG, BF
    Color FG
    If SelRow Then ' we have selected text  get our ducks in order
        selRow2 = VsScreenTop + CRow - 1 ' update this shared variable
        selCol2 = CCol - 6 ' no if's this has to be set , this shouldn't be shared
        If SelRow = selRow2 Then
            If SelCol < selCol2 Then lC = SelCol: rCol = selCol2 Else lC = selCol2: rCol = SelCol
            selLow = SelRow: selHigh = selRow2
        ElseIf SelRow < selRow2 Then
            selLow = SelRow: selHigh = selRow2
        ElseIf SelRow > selRow2 Then
            selLow = selRow2: selHigh = SelRow
        End If
    End If
    If VsScreenTop + 29 <= VsUB Then fini = VsScreenTop + 29 Else fini = VsUB '? last page
    Color EFG, EBG '                print the line numbers
    For i = VsScreenTop To fini
        r = r + 1
        _PrintString (0, (r - 1) * 20), (Right$(Space$(4) + _Trim$(Str$(i)), 5)) '  + " "
    Next
    r = 0
    Color FG, BG '                 main part of screen
    For i = VsScreenTop To fini
        r = r + 1
        If (selLow = selHigh) And (i = selLow) Then ' highlite partial section on 1 line
            _PrintString (6 * FW + 1, (r - 1) * 20), Mid$(VS$(i), 1, lC - 1)
            Color BG, FG
            _PrintString ((6 + lC - 1) * FW + 1, (r - 1) * 20), Mid$(VS$(i), lC, rCol - lC + 1)
            Color FG, BG
            _PrintString ((6 + rCol) * FW + 1, (r - 1) * 20), Mid$(VS$(i), rCol + 1)
        ElseIf (selLow <> selHigh) And ((i >= selLow) And (i <= selHigh)) Then
            Color BG, FG ' highlight whole line
            _PrintString (6 * FW + 1, (r - 1) * 20), VS$(i)
        Else
            Color FG, BG ' normal line no highlites
            _PrintString (6 * FW + 1, (r - 1) * 20), VS$(i)
        End If
    Next
    Color EFG, EBG '                      Bottom section
    If Len(Filename$) <= 100 Then
        s$ = Filename$
    Else
        s$ = Left$(Filename$, 10) + "... " + Right$(Filename$, 86)
    End If
    CP 32, s$
    s$ = "Menu/Help F1" + Spc(20)
    s$ = s$ + "Cursor Row, Col:" + n3$(CRow) + "," + n3$(CCol - 6)
    If NeedsSaving = 0 Then s$ = s$ + Spc(20) + "Saved" Else s$ = s$ + Spc(20) + "NOT saved"
    CP 33, s$
    s$ = "Selected Text Anchor Row, Col: " + n3$(SelRow) + "," + n3$(SelCol)
    s$ = s$ + Spc(10) + "Find: '" + Find$ + "'"
    PS 3, 34, s$
    s$ = "Selected Text End Row, Col: " + n3$(selRow2) + "," + n3$(selCol2)
    s$ = s$ + Spc(8) + "Change: '" + Change$ + "'"
    PS 6, 35, s$
    DrwCurs
    _Display
End Sub

Sub CopySelected ' now copy to clipboard
    Dim As Long i ' multi lines
    Dim As Long selLow, selHigh, selRow2, selCol2, lCol, rCol ' for selected text
    If SelRow = 0 Then _Clipboard$ = "": Exit Sub ' nothing to see here
    If SelRow Then ' we have selected text  get our ducks in order
        selRow2 = VsScreenTop + CRow - 1 ' update this shared variable
        selCol2 = CCol - 6 ' no if's this has to be set , this shouldn't be shared
        If SelRow = selRow2 Then
            If SelCol < selCol2 Then
                lCol = SelCol: rCol = selCol2
            Else
                lCol = selCol2: rCol = SelCol
            End If
            selLow = SelRow: selHigh = selRow2
        ElseIf SelRow < selRow2 Then
            selLow = SelRow: selHigh = selRow2
        ElseIf SelRow > selRow2 Then
            selLow = selRow2: selHigh = SelRow
        End If
    End If
    If selLow = selHigh Then ' using lc and rc no row deletions from VS$
        _Clipboard$ = Mid$(VS$(selLow), lCol, rCol - lCol + 1)
    Else ' for deleting we will have to work backwards in VS$()
        _Clipboard$ = "" ' clear contents
        For i = selLow To selHigh ' these are vs$ array indexes
            If i = selLow Then
                _Clipboard$ = VS$(i) ' clear contents
            Else
                _Clipboard$ = _Clipboard$ + Chr$(13) + Chr$(10) + VS$(i)
            End If
        Next
    End If
    '_MessageBox "Copy in Clipboard$", _Clipboard$
End Sub

Sub DeleteSelected ' built from redundant model from Show to cover all vs$()
    ' save what we are deleting just in case?
    Dim As Long i, Nlines, Sline
    Dim As Long selLow, selHigh, selRow2, selCol2, lCol, rCol ' for showing selected text
    Dim s$
    If SelRow = 0 Then Exit Sub ' nothing to see here
    If SelRow Then ' we have selected text  get our ducks in order
        selRow2 = VsScreenTop + CRow - 1 ' update this shared variable
        selCol2 = CCol - 6 ' no if's this has to be set , this shouldn't be shared
        If SelRow = selRow2 Then
            If SelCol < selCol2 Then
                lCol = SelCol: rCol = selCol2
            Else
                lCol = selCol2: rCol = SelCol
            End If
            selLow = SelRow: selHigh = selRow2
        ElseIf SelRow < selRow2 Then
            selLow = SelRow: selHigh = selRow2
        ElseIf SelRow > selRow2 Then
            selLow = selRow2: selHigh = SelRow
        End If
    End If
    Nlines = selHigh - selLow + 1
    Sline = Nlines
    If selLow = selHigh Then ' using lc and rc no row deletions from VS$
        s$ = Mid$(VS$(selLow), 1, lCol - 1)
        s$ = s$ + Mid$(VS$(selLow), rCol + 1)
        VS$(selLow) = s$
        CCol = lCol + 6
    Else ' for deleting we will have to work backwards in VS$()
        For i = selHigh To selLow Step -1 ' these are vs$ array indexes
            DynArr_Delete i, VS$()
            Sline = Sline - 1
        Next
        If selLow - 1 > 0 Then CRow = selLow - 1 Else CRow = 1
        CCol = 7
    End If
    SelRow = 0: SelCol = 0
    CheckShared ' <<< do i have to??? it keeps everything in bounds safe hopefully
End Sub

Sub Paste ' check clipboard for CRLF, LF, if non found assume single line paste
    Dim As Long ubClip, i, currentRow
    Dim c$, d$, s$, t$
    If SelRow Then DeleteSelected ' does CheckShared
    currentRow = VsScreenTop + CRow - 1 ' need a CheckShared first?
    c$ = _Clipboard$
    If c$ = "" Then Exit Sub
    If InStr(c$, Chr$(13) + Chr$(10)) Then
        d$ = Chr$(13) + Chr$(10)
    ElseIf InStr(c$, Chr$(10)) Then
        d$ = Chr$(10)
    Else ' it's a oneliner or less
        s$ = Mid$(VS$(currentRow), 1, CCol - 7) ' 6 is 1 too far right
        t$ = s$ + c$ + Mid$(VS$(currentRow), CCol - 6)
        VS$(currentRow) = t$
        CCol = CCol + Len(c$)
        Exit Sub
    End If
    ReDim clip$(1 To 1)
    Split c$, d$, clip$()
    ubClip = UBound(clip$)
    For i = 1 To ubClip
        DynArr_Insert clip$(i), currentRow, VS$()
        currentRow = currentRow + 1
    Next
    CRow = CRow + currentRow ' put cursor at end of inserted
    CheckShared ' makesure CRow ok and update vs variables
    CCol = Len(VS$(VsScreenTop + CRow - 1)) + 7
End Sub

Function n3$ (n As Long)
    n3$ = Right$(Spc(2) + Str$(n), 3)
End Function

Sub PS (Col&, Row&, txt$) ' for this app
    _PrintString ((Col& - 1) * 11, (Row& - 1) * 20), txt$
End Sub

Sub CP (row, txt$) 'on row center Print txt$  modified for this app
    Dim col As Long, s$
    If _PrintWidth(txt$) > _Width Then
        s$ = Right$(txt$, Int(_Width / FW))
    Else
        s$ = txt$
    End If
    col = (_Width / FW - Len(txt$)) \ 2
    _PrintString (col * FW, (row - 1) * 20), s$
End Sub

Sub Split (SplitMeString As String, delim As String, loadMeArray() As String)
    Dim curpos As Long, arrpos As Long, LD As Long, dpos As Long 'fix use the Lbound
    curpos = 1: arrpos = LBound(loadMeArray): LD = Len(delim)
    dpos = InStr(curpos, SplitMeString, delim)
    Do Until dpos = 0
        loadMeArray(arrpos) = Mid$(SplitMeString, curpos, dpos - curpos)
        arrpos = arrpos + 1
        If arrpos > UBound(loadMeArray) Then
            ReDim _Preserve loadMeArray(LBound(loadMeArray) To UBound(loadMeArray) + 1000) As String
        End If
        curpos = dpos + LD
        dpos = InStr(curpos, SplitMeString, delim)
    Loop
    loadMeArray(arrpos) = Mid$(SplitMeString, curpos)
    ReDim _Preserve loadMeArray(LBound(loadMeArray) To arrpos) As String 'get the ubound correct
End Sub

Function Join$ (arr() As String, delimiter$)
    Dim i As Long, b$
    For i = LBound(arr) To UBound(arr)
        If i = LBound(arr) Then b$ = arr(LBound(arr)) Else b$ = b$ + delimiter$ + arr(i)
    Next
    Join$ = b$
End Function

'2023-11-14 \QB64 Files\000 work QB64\000 Test\Array Tools_
'           \Dynamic Array Tools\DynArr_Insert and Delete.bas"
Sub DynArr_Insert (Text$, Place&, DynArr$())
    ' Text$ is a string of text, or empty string
    ' Place& is insertion index
    ' DynArr$() is an array that can be resized, the first step in fact
    ' to insert the line we increase the array ubound by 0ne
    ' copy all lines below up one
    ' finally insert the line into place&
    ' ah! what if Place& is > ub ? then just add it to end or place it exactly?
    ' I say place it exactly!

    Dim As Long lb, ub, i, diff
    Dim m$ ' message too long for one line
    lb = LBound(DynArr$)
    If Place& < lb Then
        m$ = "The Place& argument < Lbound(DynArr$), skipping insertion."
        _MessageBox "Sub DynArr_Insert Error", m$, "warning"
        Exit Sub ' no since shutting down program for little error
    End If
    ub = UBound(DynArr$)
    If Place& > ub Then
        diff = Place& - ub
        ReDim _Preserve DynArr$(lb To ub + diff)
        For i = ub + 1 To ub + diff - 1
            DynArr$(i) = "" ' fill in between
        Next
    Else
        ReDim _Preserve DynArr$(lb To ub + 1)
        For i = ub To Place& Step -1
            DynArr$(i + 1) = DynArr$(i) ' copy lines up one
        Next
    End If
    DynArr$(Place&) = Text$ ' finally add the insertion
End Sub

'2023-11-14 \QB64 Files\000 work QB64\000 Test\Array Tools_
'           \Dynamic Array Tools\DynArr_Insert and Delete.bas"
Sub DynArr_Delete (Place&, DynArr$())
    ' the reverse of an insertion
    ' Place& is deletion index
    ' DynArr$() is an array that can be resized
    ' to delete the line we copy all the lines above, down one
    ' then remove the last line by Redim one line less

    Dim As Long lb, ub, i
    Dim m$ ' message too long for one line
    lb = LBound(DynArr$)
    ub = UBound(DynArr$)
    If ub = lb Then Exit Sub
    If Place& < lb Or Place& > ub Then ' nope!
        m$ = "The Place& argument is outside the bounds of array, skipping deletion."
        _MessageBox "Sub DynArr_Delete Error", m$, "warning"
        Exit Sub ' no since shutting down program for little error
    End If
    If Place& < ub Then
        For i = Place& To ub - 1
            DynArr$(i) = DynArr$(i + 1) ' copy lines up one
        Next
    End If
    ReDim _Preserve DynArr$(lb To ub - 1)
End Sub

Sub Menu ' modified for this app
    'this sub uses drwBtn

    Dim As Long ub, lb, b, col, row, mx, my, mb, topChoice
    topChoice = 15
    Dim choice$(1 To topChoice), s$

    'box min width    35 - 19 + 1 = 17 *11 = 187  ' 17 chars wide
    'box min height   topchoice * 20 = 160
    choice$(1) = "New File   ctrl+N": choice$(9) = "Find...   ctrl+F3"
    choice$(2) = "Open File  ctrl+O": choice$(10) = "Find Next      F3"
    choice$(3) = "Save       ctrl+S": choice$(11) = "Find <   shift+F3"
    choice$(4) = "Save As    ctrl+A": choice$(12) = "Change...  Alt+F3"
    choice$(5) = "Cut        ctrl+X": choice$(13) = "Change All     F4"
    choice$(6) = "Copy       ctrl+C": choice$(14) = "Color Theme...   "
    choice$(7) = "Paste      ctrl+V": choice$(15) = "Quit Editor   esc"
    choice$(8) = "Exit Menu"

    ub = UBound(choice$): lb = LBound(choice$)
    For b = lb To ub '   drawing a column of buttons at _width - 210 starting at y = 10
        col = Int((b - 1) / 8)
        If b Mod 8 = 0 Then row = 8 Else row = b Mod 8
        drwBtn col * 290 + 40, row * 60 + 10, choice$(b)
    Next
    Do
        While _MouseInput: Wend
        mx = _MouseX: my = _MouseY: mb = _MouseButton(1)
        If mb Then
            _Delay .25 ' delay to give user time to release mouse button
            For b = lb To ub
                col = Int((b - 1) / 8)
                If b Mod 8 = 0 Then row = 8 Else row = b Mod 8
                If mx > col * 290 + 40 And mx <= col * 290 + 290 Then
                    If my >= row * 60 + 10 And my <= row * 60 + 60 Then
                        Exit Do
                    End If
                End If
            Next
        End If
        _Display
        _Limit 60
    Loop
    s$ = "Enter: 1 = Forest, 2 = Patriot, 3 = Orange or ? = Mystery"
    Select Case b
        Case 1: New
        Case 2: FLoad
        Case 3: SaveIt
        Case 4: SaveAsName
        Case 5: CopySelected: DeleteSelected: NeedsSaving = -1
        Case 6: CopySelected
        Case 7: Paste: NeedsSaving = -1
        Case 8: Exit Sub
        Case 9: FindWhat 1: FindNext (0) ' get find$ and start search
        Case 10: FindNext 0 ' search forward
        Case 11: FindNext -1 ' serach reverse
        Case 12: ChangeToWhat 0 ' alt + F3
        Case 13: ChangeToWhat -1 ' F4 change all
        Case 14: b = Val(_InputBox$("Color Theme:", s$, "1")): ColorTheme b
        Case 15: CheckSave: System
    End Select
    _KeyClear
End Sub

Sub drwBtn (x, y, s$) '250 x 50 modified for this app
    Dim fc~&, bc~&
    Line (x + 2, y + 2)-Step(248, 48), _RGB32(0), BF '   shadow
    Line (x, y)-Step(244, 44), _RGB32(255), BF '         highlight edge
    Line (x + 2, y + 2)-Step(243, 43), _RGB32(190), BF ' face color
    fc~& = _DefaultColor: bc~& = _BackgroundColor '      save color before we change
    Color _RGB32(0), _RGB32(190)
    _PrintString (x + 125 - .5 * FW * Len(s$) + 1, y + 16 + 1), s$
    Color fc~&, bc~& '                                    restore color
End Sub

Sub ColorTheme (n%)
    Select Case n%
        Case 1 ' Forest Theme sky, leaves, earth
            FG = _RGB32(160, 160, 255): BG = _RGB32(0, 60, 0): EFG = FG: EBG = _RGB32(40, 20, 10)
        Case 2 ' Patriot Theme edge of eye watering white, OldGloryRed, OldGloryBlue
            FG = &HFFDDDDDD: BG = &HFFBF0A30: EFG = FG: EBG = &HFF002868 '
        Case 3 ' Orange Theme  light, low, med red/low (no blue)
            FG = _RGB32(200, 250, 200): BG = _RGB32(240, 120, 0): EFG = FG: EBG = _RGB32(160, 30, 0)
        Case Else ' Gray Theme
            FG = _RGB32(0): BG = _RGB32(160): EBG = _RGB32(80)
    End Select
End Sub

Sub FindWhat (title As Long)
    Dim t$, s$
    If title = 1 Then t$ = "Find..."
    If title = 2 Then t$ = "Change..."
    If title = 3 Then t$ = "Change All"
    s$ = SelectedLine$
    If Len(s$) Then
        Find$ = _InputBox$(t$, "Find what?", s$)
    Else
        Find$ = _InputBox$(t$, "Find what?")
    End If
    CaseSense = _MessageBox("Case Sensitive?", "Match case exactly?", "yesno")
    If CaseSense = 1 Then CaseSense = -1 Else CaseSense = 0
    findR = 0: findC = 0: Change$ = ""
End Sub

Sub ChangeToWhat (all As Long)
    Dim As Long i, startRow, startCol, cpos, yn, countChanges
    If all Then FindWhat 3 Else FindWhat 2
    Change$ = _InputBox$("Change:", "Change " + Find$ + " to what?")
    i = VsScreenTop + CRow - 1: startRow = i: startCol = 1
    Do
        checkRow:
        If CaseSense Then ' exact match
            cpos = InStr(startCol, VS$(i), Find$)
        Else
            cpos = InStr(startCol, UCase$(VS$(i)), UCase$(Find$))
        End If
        If cpos Then
            startCol = cpos + 1 ' set next find
            If all = 0 Then
                SelRow = i: SelCol = cpos ' setting up for display of find, select anchor
                VsScreenTop = i: CRow = 1: CCol = 6 + cpos + Len(Find$) - 1 ' display find
                Show
                yn = _MessageBox("Change to:", Change$, "yesnocancel", "question")
                If yn = 0 Then ' Cancel
                    SelRow = 0: SelCol = 0
                    Exit Sub
                ElseIf yn = 1 Then ' change
                    VS$(i) = Mid$(VS$(i), 1, cpos - 1) + Change$ + Mid$(VS$(i), cpos + Len(Find$))
                    SelRow = 0: SelCol = 0
                    Show
                    NeedsSaving = -1
                    countChanges = countChanges + 1
                    'ElseIf yn = 2 Then ' dont change it but continue search
                End If
                GoTo checkRow ' search row some more!
            Else
                VS$(i) = Mid$(VS$(i), 1, cpos - 1) + Change$ + Mid$(VS$(i), cpos + Len(Find$))
                NeedsSaving = -1
                countChanges = countChanges + 1
                GoTo checkRow ' search row some more!
            End If
        End If
        i = i + 1: If i > VsUB Then i = 1
        startCol = 1
        If i = startRow And startCol = 1 Then Exit Do ' we are back to where we started
    Loop
    _MessageBox "Change...", "There were" + Str$(countChanges) + " changes made.", "info"
    Change$ = ""
    _KeyClear
End Sub

Sub FindNext (reverse As Long)
    Dim As Long i, saveRow, start, cpos
    If Find$ = "" Then FindWhat 1
    i = VsScreenTop + CRow - 1: start = findC + 1: saveRow = i
    Do
        If CaseSense Then ' exact match
            cpos = InStr(start, VS$(i), Find$)
        Else
            cpos = InStr(start, UCase$(VS$(i)), UCase$(Find$))
        End If
        If cpos Then
            findR = i: findC = cpos ' save last find
            SelRow = i: SelCol = cpos ' select anchor
            VsScreenTop = i: CRow = 1: CCol = 6 + cpos + Len(Find$) - 1 ' display find
            Show
            Exit Sub
        End If
        If reverse Then
            i = i - 1: If i < 1 Then i = VsUB
        Else
            i = i + 1: If i > VsUB Then i = 1
        End If
        start = 1
        If i > VsUB Then i = 1
        If i = 0 Then i = VsUB
        If i = saveRow And start = 1 Then Exit Do
    Loop
    _MessageBox "Find Next", "Match not found.", "info"
End Sub

Sub LoadClip ' F2 instead of select all just load clipboard with vs$
    Dim i As Long, crlf$
    crlf$ = Chr$(13) + Chr$(10)
    _Clipboard$ = VS$(1)
    For i = 2 To VsUB
        _Clipboard$ = _Clipboard$ + crlf$ + VS$(i)
    Next
    _MessageBox "Clipboard Update:", "File loaded into Clipboard.", "info"
End Sub

Function SelectedLine$
    Dim selRow2, selcol2, lCol, rCol
    If SelRow Then ' we have selected text  get our ducks in order
        selRow2 = VsScreenTop + CRow - 1 ' update this shared variable
        selcol2 = CCol - 6 ' no if's this has to be set , this shouldn't be shared
        If SelRow = selRow2 Then
            If SelCol < selcol2 Then
                lCol = SelCol: rCol = selcol2
            Else
                lCol = selcol2: rCol = SelCol
            End If
            SelectedLine$ = Mid$(VS$(SelRow), lCol, rCol - lCol + 1)
        End If
    End If
End Function

Theme 1 Forest


Theme 2 Patriot


Theme 3 Orange with Menu popup buttons


Although not complete, it is a good step further than other efforts and might give an aspiring editor builder some helpful ideas.

Oh for Linux users lucon.ttf (all lower case) attached here :

This is the commenting I was referring to - even if I don't understand all of it, I can see what each function does, and why it was used! Good job.  Big Grin
Of all the places on Earth, and all the planets in the Universe, I'd rather live here (Perth, W.A.) Big Grin
Please visit my Website at: http://oldendayskids.blogspot.com/
Reply


Messages In This Thread
Editor WIP - by bplus - 07-28-2024, 11:00 PM
RE: Editor WIP - by PhilOfPerth - 07-28-2024, 11:50 PM
RE: Editor WIP - by bplus - 07-29-2024, 12:41 AM
RE: Editor WIP - by aadityap0901 - 07-29-2024, 03:24 AM
RE: Editor WIP - by bplus - 07-29-2024, 12:15 PM
RE: Editor WIP - by aadityap0901 - 07-31-2024, 04:33 PM
RE: Editor WIP - by bplus - 07-31-2024, 05:17 PM
RE: Editor WIP - by aadityap0901 - 08-01-2024, 02:53 AM
RE: Editor WIP - by aadityap0901 - 08-12-2024, 06:48 AM
RE: Editor WIP - by aadityap0901 - 11-13-2024, 04:55 PM
RE: Editor WIP - by aadityap0901 - 11-15-2024, 02:11 PM



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