| 1 | /****************************** Module Header *******************************
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| 2 | *
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| 3 | * Module Name: swaptext.e
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| 4 | *
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| 5 | * Copyright (c) Netlabs EPM Distribution Project 2002
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| 6 | *
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| 7 | * $Id: swaptext.e 2417 2011-05-15 23:32:51Z aschn $
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| 8 | *
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| 9 | * ===========================================================================
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| 10 | *
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| 11 | * This file is part of the Netlabs EPM Distribution package and is free
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| 12 | * software. You can redistribute it and/or modify it under the terms of the
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| 13 | * GNU General Public License as published by the Free Software
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| 14 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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| 15 | * Netlabs EPM Distribution. This library is distributed in the hope that it
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| 16 | * will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty
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| 17 | * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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| 18 | * General Public License for more details.
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| 19 | *
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| 20 | ****************************************************************************/
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| 21 |
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| 22 | defc MoveLineUp
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| 23 | if .last < 2 then
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| 24 | return
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| 25 | endif
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| 26 | saved_autosave = .autosave
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| 27 | .autosave = 0
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| 28 | call DisableUndoRec()
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| 29 | getline line
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| 30 | l = max( .line - 1, 1)
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| 31 | deleteline
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| 32 | insertline line, l -- insert above
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| 33 | .lineg = l -- go to line l without scrolling
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| 34 | .line = l -- scroll when outside of window
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| 35 | .autosave = saved_autosave
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| 36 | return
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| 37 |
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| 38 | defc MoveLineDown
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| 39 | if .last < 2 then
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| 40 | return
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| 41 | endif
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| 42 | saved_autosave = .autosave
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| 43 | .autosave = 0
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| 44 | call DisableUndoRec()
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| 45 | col = .col
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| 46 | getline line
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| 47 | deleteline
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| 48 | insertline line, .line + 1 -- insert below
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| 49 | down
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| 50 | .col = col
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| 51 | .autosave = saved_autosave
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| 52 | return
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| 53 |
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| 54 | defc MoveCharLeft
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| 55 | saved_autosave = .autosave
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| 56 | .autosave = 0
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| 57 | call DisableUndoRec()
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| 58 | if not insert_state() then
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| 59 | -- switch to insert mode
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| 60 | insert_toggle
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| 61 | foverwrite = 1
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| 62 | else
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| 63 | foverwrite = 0
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| 64 | endif
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| 65 | getline line
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| 66 | char = substr( line, .col, 1)
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| 67 | deletechar
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| 68 | left
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| 69 | keyin char
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| 70 | left
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| 71 | if foverwrite then
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| 72 | insert_toggle
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| 73 | endif
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| 74 | .autosave = saved_autosave
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| 75 | return
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| 76 |
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| 77 | defc MoveCharRight
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| 78 | saved_autosave = .autosave
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| 79 | .autosave = 0
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| 80 | call DisableUndoRec()
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| 81 | if not insert_state() then
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| 82 | -- switch to insert mode
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| 83 | insert_toggle
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| 84 | foverwrite = 1
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| 85 | else
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| 86 | foverwrite = 0
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| 87 | endif
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| 88 | getline line
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| 89 | char = substr( line, .col, 1)
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| 90 | deletechar
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| 91 | right
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| 92 | keyin char
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| 93 | left
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| 94 | if foverwrite then
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| 95 | insert_toggle
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| 96 | endif
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| 97 | .autosave = saved_autosave
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| 98 | return
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| 99 |
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