Initial commit
This commit is contained in:
Sean Yeh
commit
9c7b65e6b1
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Option Explicit
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' --------
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' Globals
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' --------
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global VIBREOFFICE_STARTED as boolean ' Defaults to False
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global VIBREOFFICE_ENABLED as boolean ' Defaults to False
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global oXKeyHandler as object
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' Global State
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global MODE as string
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global VIEW_CURSOR as object
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global MULTIPLIER as integer
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' -----------
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' Singletons
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' -----------
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Function getCursor
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getCursor = VIEW_CURSOR
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End Function
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Function getTextCursor
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dim oTextCursor
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oTextCursor = getCursor().getText.createTextCursorByRange(getCursor())
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' oTextCursor.gotoRange(oTextCursor.getStart(), False)
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getTextCursor = oTextCursor
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End Function
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' -----------------
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' Helper Functions
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' -----------------
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Sub restoreStatus 'restore original statusbar
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dim oLayout
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oLayout = thisComponent.getCurrentController.getFrame.LayoutManager
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oLayout.destroyElement("private:resource/statusbar/statusbar")
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oLayout.createElement("private:resource/statusbar/statusbar")
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End Sub
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Sub setRawStatus(rawText)
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thisComponent.Currentcontroller.StatusIndicator.Start(rawText, 0)
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End Sub
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Sub setStatus(statusText)
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setRawStatus(MODE & " | " & statusText)
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End Sub
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Sub setMode(modeName)
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MODE = modeName
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setRawStatus(modeName)
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End Sub
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Function gotoMode(sMode)
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Select Case sMode
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Case "NORMAL":
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setMode("NORMAL")
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Case "INSERT":
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setMode("INSERT")
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Case "VISUAL":
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setMode("VISUAL")
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dim oTextCursor
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oTextCursor = getTextCursor()
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' Deselect TextCursor
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oTextCursor.gotoRange(oTextCursor.getStart(), False)
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' Show TextCursor selection
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thisComponent.getCurrentController.Select(oTextCursor)
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End Select
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End Function
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' --------------------
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' Multiplier functions
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' --------------------
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Sub _setMultiplier(n as integer)
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MULTIPLIER = n
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End Sub
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Sub resetMultiplier()
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_setMultiplier(0)
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End Sub
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Sub addToMultiplier(n as integer)
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dim sMultiplierStr as String
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dim iMultiplierInt as integer
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' Max multiplier: 10000 (stop accepting additions after 1000)
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If MULTIPLIER <= 1000 then
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sMultiplierStr = CStr(MULTIPLIER) & CStr(n)
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_setMultiplier(CInt(sMultiplierStr))
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End If
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End Sub
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' Should only be used if you need the raw value
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Function getRawMultiplier()
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getRawMultiplier = MULTIPLIER
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End Function
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' Same as getRawMultiplier, but defaults to 1 if it is unset (0)
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Function getMultiplier()
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If MULTIPLIER = 0 Then
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getMultiplier = 1
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Else
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getMultiplier = MULTIPLIER
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End If
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End Function
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' -------------
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' Key Handling
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' -------------
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Sub sStartXKeyHandler
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sStopXKeyHandler()
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oXKeyHandler = CreateUnoListener("KeyHandler_", "com.sun.star.awt.XKeyHandler")
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thisComponent.CurrentController.AddKeyHandler(oXKeyHandler)
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End Sub
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Sub sStopXKeyHandler
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thisComponent.CurrentController.removeKeyHandler(oXKeyHandler)
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End Sub
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Sub XKeyHandler_Disposing(oEvent)
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End Sub
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' --------------------
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' Main Key Processing
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' --------------------
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function KeyHandler_KeyPressed(oEvent) as boolean
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' Exit if plugin is not enabled
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If IsMissing(VIBREOFFICE_ENABLED) Or Not VIBREOFFICE_ENABLED Then
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KeyHandler_KeyPressed = False
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Exit Function
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End If
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dim bConsumeInput, bIsMultiplier, bIsModified, oTextCursor
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bConsumeInput = True ' Block all inputs by default
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bIsMultiplier = False ' reset multiplier by default
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bIsModified = oEvent.Modifiers > 1 ' If Ctrl or Alt is held down. (Shift=1)
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' --------------------------
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' Process global shortcuts, exit if matched (like ESC)
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If ProcessGlobalKey(oEvent) Then
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' Pass
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ElseIf MODE = "INSERT" Then
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bConsumeInput = False ' Allow all inputs
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' If Change Mode
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ElseIf ProcessModeKey(oEvent) Then
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' Pass
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ElseIf ProcessNumberKey(oEvent) Then
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bIsMultiplier = True
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' Normal Key
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ElseIf Not ProcessNormalKey(oEvent) and bIsModified Then
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' If is modified but doesn't match a normal command, allow input
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' (Useful for built-in shortcuts like Ctrl+s, Ctrl+w)
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bConsumeInput = False
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End If
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' --------------------------
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' Reset multiplier
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If not bIsMultiplier Then resetMultiplier()
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setStatus(getMultiplier())
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' Show terminal-like cursor
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oTextCursor = getTextCursor()
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If MODE = "NORMAL" Then
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oTextCursor.gotoRange(oTextCursor.getStart(), False)
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oTextCursor.goRight(1, False)
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oTextCursor.goLeft(1, True)
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thisComponent.getCurrentController.Select(oTextCursor)
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ElseIf MODE = "INSERT" Then
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oTextCursor.gotoRange(oTextCursor.getStart(), False)
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thisComponent.getCurrentController.Select(oTextCursor)
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End If
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KeyHandler_KeyPressed = bConsumeInput
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End Function
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Function KeyHandler_KeyReleased(oEvent) As boolean
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KeyHandler_KeyReleased = (MODE = "NORMAL") 'cancel KeyReleased
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End Function
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' ----------------
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' Processing Keys
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' ----------------
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Function ProcessGlobalKey(oEvent)
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dim bMatched
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bMatched = True
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Select Case oEvent.KeyCode
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' PRESSED ESCAPE
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Case 1281:
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' Move cursor back if was in INSERT (but stay on same line)
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If MODE <> "NORMAL" And Not getCursor().isAtStartOfLine() Then
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getCursor().goLeft(1, False)
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End If
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gotoMode("NORMAL")
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Case Else:
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bMatched = False
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End Select
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ProcessGlobalKey = bMatched
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End Function
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Function ProcessNumberKey(oEvent)
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dim c
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c = CStr(oEvent.KeyChar)
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If c >= "0" and c <= "9" Then
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addToMultiplier(CInt(c))
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ProcessNumberKey = True
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Else
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ProcessNumberKey = False
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End If
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End Function
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Function ProcessModeKey(oEvent)
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dim bMatched
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bMatched = True
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Select Case oEvent.KeyChar
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' Insert modes
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Case "i", "a", "I", "A":
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If oEvent.KeyChar = "a" Then getCursor().goRight(1, False)
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If oEvent.KeyChar = "I" Then ProcessMovementKey("^")
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If oEvent.KeyChar = "A" Then ProcessMovementKey("$")
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gotoMode("INSERT")
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Case "v":
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gotoMode("VISUAL")
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Case Else:
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bMatched = False
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End Select
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ProcessModeKey = bMatched
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End Function
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Function ProcessNormalKey(oEvent)
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dim i, bMatched, bIsVisual
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bMatched = False
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bIsVisual = (MODE = "VISUAL") ' is this hardcoding bad? what about visual block?
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For i = 1 To getMultiplier()
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dim bMatchedMovement, bMatchedDelete
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bMatchedMovement = ProcessMovementKey(oEvent.KeyChar, bIsVisual, oEvent.Modifiers)
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bMatchedDelete = ProcessDeleteKey(oEvent)
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bMatched = bMatched or bMatchedMovement or bMatchedDelete
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' Special case: Break from For loop if in visual mode and has deleted,
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' since multiplier should not be applied
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If bIsVisual and bMatchedDelete Then Exit For
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Next i
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ProcessNormalKey = bMatched
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End Function
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Function ProcessDeleteKey(oEvent)
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dim oTextCursor, bMatched
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oTextCursor = getTextCursor()
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bMatched = True
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Select Case oEvent.KeyChar
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' Case "d":
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' setSpecial("d")
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Case "x":
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thisComponent.getCurrentController.Select(oTextCursor)
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oTextCursor.setString("")
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Case Else:
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bMatched = False
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End Select
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ProcessDeleteKey = bMatched
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End Function
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' -----------------------
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' Main Movement Function
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' -----------------------
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' Default: bExpand = False, keyModifiers = 0
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Function ProcessMovementKey(keyChar, Optional bExpand, Optional keyModifiers)
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dim oTextCursor, bSetCursor, bMatched
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oTextCursor = getTextCursor()
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bMatched = True
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If IsMissing(bExpand) Then bExpand = False
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If IsMissing(keyModifiers) Then keyModifiers = 0
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' Check for modified keys (Ctrl, Alt, not Shift)
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If keyModifiers > 1 Then
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dim isControl
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isControl = (keyModifiers = 2) or (keyModifiers = 8)
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' Ctrl+d and Ctrl+u
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If isControl and keyChar = "d" Then
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getCursor().ScreenDown(bExpand)
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ElseIf isControl and keyChar = "u" Then
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getCursor().ScreenUp(bExpand)
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Else
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bMatched = False
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End If
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ProcessMovementKey = bMatched
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Exit Function
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End If
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' Set global cursor to oTextCursor's new position if moved
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bSetCursor = True
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Select Case keyChar
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Case "l":
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oTextCursor.goRight(1, bExpand)
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Case "h":
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oTextCursor.goLeft(1, bExpand)
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' oTextCursor.goUp and oTextCursor.goDown SHOULD work, but doesn't (I dont know why).
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' So this is a weird hack
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Case "k":
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'oTextCursor.goUp(1, False)
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getCursor().goUp(1, bExpand)
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bSetCursor = False
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Case "j":
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'oTextCursor.goDown(1, False)
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getCursor().goDown(1, bExpand)
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bSetCursor = False
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' ----------
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Case "^":
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getCursor().gotoStartOfLine(bExpand)
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bSetCursor = False
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Case "$":
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dim oldPos, newPos
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oldPos = getCursor().getPosition()
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getCursor().gotoEndOfLine(bExpand)
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newPos = getCursor().getPosition()
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' If the result is at the start of the line, then it must have
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' jumped down a line; goLeft to return to the previous line.
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' Except for: Empty lines (check for oldPos = newPos)
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If getCursor().isAtStartOfLine() And oldPos.Y() <> newPos.Y() Then
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getCursor().goLeft(1, bExpand)
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End If
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' maybe eventually cursorGoto... should return True/False for bsetCursor
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bSetCursor = False
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Case "w", "W":
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oTextCursor.gotoNextWord(bExpand)
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Case "b", "B":
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oTextCursor.gotoPreviousWord(bExpand)
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Case "e":
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oTextCursor.gotoEndOfWord(bExpand)
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Case ")":
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oTextCursor.gotoNextSentence(bExpand)
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Case "(":
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oTextCursor.gotoPreviousSentence(bExpand)
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Case "}":
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oTextCursor.gotoNextParagraph(bExpand)
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Case "{":
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oTextCursor.gotoPreviousParagraph(bExpand)
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Case Else:
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bSetCursor = False
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bMatched = False
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End Select
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' If oTextCursor was moved, set global cursor to its position
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If bSetCursor Then
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getCursor().gotoRange(oTextCursor.getStart(), False)
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End If
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' If oTextCursor was moved and is in VISUAL mode, update selection
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if bSetCursor and bExpand then
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thisComponent.getCurrentController.Select(oTextCursor)
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end if
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ProcessMovementKey = bMatched
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End Function
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Sub initVibreoffice
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dim oTextCursor
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' Initializing
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VIBREOFFICE_STARTED = True
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VIEW_CURSOR = thisComponent.getCurrentController.getViewCursor
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resetMultiplier()
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gotoMode("NORMAL")
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' Show terminal cursor
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oTextCursor = getTextCursor()
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oTextCursor.goRight(1, False)
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oTextCursor.goLeft(1, True)
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thisComponent.getCurrentController.Select(oTextCursor)
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sStartXKeyHandler()
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End Sub
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Sub Main
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If Not VIBREOFFICE_STARTED Then
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initVibreoffice()
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End If
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' Toggle enable/disable
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VIBREOFFICE_ENABLED = Not VIBREOFFICE_ENABLED
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' Restore statusbar
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If Not VIBREOFFICE_ENABLED Then restoreStatus()
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End Sub
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