| 1 | /****************************** Module Header *******************************
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| 2 | *
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| 3 | * Module Name: reflow.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: reflow.e 2869 2018-01-14 17:56:30Z 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 | ;Source: http://groups.google.com/groups?selm=5ebbc3%24g98%241%40news-s01.ca.us.ibm.net
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| 22 |
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| 23 | include 'stdconst.e'
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| 24 | include 'english.e'
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| 25 |
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| 26 | const
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| 27 | reflow2window_prompt = 'Do a WYSIWYG reflow to window width'
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| 28 | reflow2size_prompt = 'Do a WYSIWYG reflow to a specific width'
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| 29 | reflow2size_prompt2 = '(provided as the parameter). Default unit is pels.'
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| 30 | reflow_prompt_prompt = 'Do a WYSIWYG reflow, prompting for width'
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| 31 |
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| 32 | defc reflow_actionlist
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| 33 | universal ActionsList_FileID
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| 34 |
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| 35 | insertline '|reflow2window|'reflow2window_prompt'|reflow|', ActionsList_FileID.last+1, ActionsList_FileID
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| 36 | insertline '|reflow2size|'reflow2size_prompt||reflow2size_prompt2'|reflow|', ActionsList_FileID.last+1, ActionsList_FileID
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| 37 | insertline '|reflow_prompt|'reflow_prompt_prompt'|reflow|', ActionsList_FileID.last+1, ActionsList_FileID
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| 38 |
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| 39 | defc reflow2window
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| 40 | if arg(1) = 'S' then
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| 41 | sayerror 0
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| 42 | 'reflow'
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| 43 | elseif arg(1) = 'I' then
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| 44 | 'SayHint' reflow2window_prompt
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| 45 | elseif arg(1) = 'H' then
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| 46 | 'compiler_help_add REFLOW.hlp'
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| 47 | 'helpmenu 32100'
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| 48 | endif
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| 49 |
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| 50 | defc reflow2size
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| 51 | parse arg arg1 rest
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| 52 | if arg1 = 'S' then
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| 53 | 'reflow' rest
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| 54 | elseif arg1 = 'I' then
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| 55 | 'SayHint' reflow2size_prompt
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| 56 | elseif arg1 = 'H' then
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| 57 | 'compiler_help_add REFLOW.hlp'
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| 58 | 'helpmenu 32100'
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| 59 | endif
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| 60 |
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| 61 | defc reflow_prompt
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| 62 | if arg(1) = 'S' then
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| 63 | 'reflow *'
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| 64 | elseif arg(1) = 'I' then
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| 65 | 'SayHint Do a WYSIWYG reflow, prompting for width'
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| 66 | elseif arg(1) = 'H' then
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| 67 | 'compiler_help_add REFLOW.hlp'
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| 68 | 'helpmenu 32100'
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| 69 | endif
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| 70 |
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| 71 | defmain
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| 72 | 'reflow' arg(1)
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| 73 |
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| 74 | const
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| 75 | map_WindowToDoc = 1 -- x, y in; x, y out
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| 76 | map_DocToLCO = 2 -- x, y in; l, c, o out
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| 77 | map_LCOToDoc = 3 -- l, c, o in; x, y out
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| 78 | map_Doc2Win = 4 -- x, y in; x, y out
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| 79 | map_Win2LCO = 5 -- x, y in; l, c, o out
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| 80 | map_LCO2Win = 6 -- l, c, o in; x, y out
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| 81 |
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| 82 | defc reflow
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| 83 | universal last_reflow_width
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| 84 |
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| 85 | KeyPath = '\NEPMD\User\Reflow\Next'
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| 86 | ReflowNext = QueryConfigKey( KeyPath)
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| 87 |
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| 88 | par_width = arg(1)
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| 89 | units_width = ''
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| 90 | if par_width = '=' then
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| 91 | par_width = last_reflow_width
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| 92 | endif
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| 93 | if par_width = '*' then
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| 94 | 'compiler_help_add REFLOW.hlp' -- Have to make sure help file is loaded, just in case...
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| 95 | parse value entrybox( 'Paragraph width',
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| 96 | '/'OK__MSG'/'Cancel__MSG'/'Help__MSG'/',
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| 97 | last_reflow_width,
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| 98 | '',
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| 99 | 200,
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| 100 | atoi(1) || atoi(32101) || gethwndc(APP_HANDLE) ||
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| 101 | 'Enter a width; leave blank to reflow to window.') with button 2 par_width \0
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| 102 | if button <> \1 then
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| 103 | return
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| 104 | endif
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| 105 | last_reflow_width = par_width
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| 106 | endif
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| 107 | save_width = par_width -- Save original units
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| 108 |
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| 109 | if par_width = '' then -- query current window width
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| 110 | swpFrame = copies(\0, 36)
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| 111 | swpScrollbar = copies(\0, 36)
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| 112 | call dynalink32( 'PMWIN',
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| 113 | '#837',
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| 114 | gethwndc(EPMINFO_EDITCLIENT) ||
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| 115 | address(swpFrame))
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| 116 | call dynalink32( 'PMWIN',
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| 117 | '#837',
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| 118 | gethwndc(EPMINFO_EDITORVSCROLL) ||
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| 119 | address(swpScrollbar))
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| 120 |
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| 121 | par_width = ltoa( substr( swpFrame, 9, 4), 10) - ltoa( substr( swpScrollbar, 9, 4), 10);
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| 122 | ; sayerror 'width =' par_width 'pels'
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| 123 | elseif isnum(par_width) then
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| 124 | -- nop
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| 125 | else
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| 126 | units_width = par_width'='
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| 127 | y = verify( par_width, '0123456789. ')
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| 128 | x = leftstr( par_width, y - 1)
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| 129 | if not isnum(x) then
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| 130 | sayerror -263 -- 'Invalid argument'
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| 131 | return
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| 132 | endif
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| 133 | y = upcase(substr( par_width, y))
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| 134 | out_array = copies( \0, 4) -- reserve space for 1 long
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| 135 | call dynalink32( 'PMGPI',
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| 136 | '#606', -- Dev32QueryCaps
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| 137 | atol(dynalink32( 'PMWIN',
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| 138 | '#835' /*Win32QueryWindowDC*/,
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| 139 | gethwndc(EPMINFO_EDITCLIENT),
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| 140 | 2)) ||
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| 141 | atol(8) || -- start = 8 (horizontal resolution)
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| 142 | atol(1) || -- count = 1
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| 143 | address(out_array))
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| 144 | h = ltoa( out_array, 10) -- Horizontal res. in pels / meter
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| 145 | if abbrev( 'INCHES', y, 1) then
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| 146 | par_width = x * h * .0254
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| 147 | elseif abbrev( 'FOOT', y, 1) | abbrev('FEET', y, 1) then
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| 148 | par_width = x * h * .3048
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| 149 | elseif abbrev( 'METERS', y, 1) then
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| 150 | par_width = x * h
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| 151 | elseif y = 'CM' | abbrev( 'CENTIMETERS', y, 1) then
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| 152 | par_width = x * h / 100
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| 153 | elseif y = 'MM' | abbrev( 'MILLIMETERS', y, 2) then
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| 154 | par_width = x * h / 1000
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| 155 | else
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| 156 | sayerror 'Unrecognized unit: 'y
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| 157 | return
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| 158 | endif
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| 159 | sayerror arg(1) '=' par_width 'pels (there are' h 'pels / meter)'
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| 160 | parse value (par_width + 0.5) with par_width '.' -- round
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| 161 | endif
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| 162 | oldmargins = .margins
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| 163 | .margins = "1 1599 1"
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| 164 | x = .line; y = MAXMARGIN
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| 165 | map_point map_LCOToDoc, x, y -- Get y position of current line.
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| 166 | if par_width > x then
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| 167 | sayerror 'Reflow: 'units_width || par_width 'pels is too wide! Max is' x 'pels = column' MAXMARGIN
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| 168 | return
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| 169 | endif
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| 170 | if arg(1) <> '' then -- If not using windowwidth, save width for next time.
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| 171 | last_reflow_width = save_width
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| 172 | endif
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| 173 | display -1
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| 174 | call NextCmdAltersText()
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| 175 | oldcursory = .cursory
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| 176 |
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| 177 | start_col = .col
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| 178 | do forever
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| 179 | x = .line; y = 1
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| 180 | ;sayerror 'line' .line': Before map 1, line='x'; col='y
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| 181 | map_point map_LCOToDoc, x, y -- Get y position of current line.
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| 182 | ;sayerror 'line' .line': After map 1, x='x'; y='y
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| 183 | x = par_width
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| 184 | y = y + 5
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| 185 | ;sayerror 'line' .line': Before map 2, x='x'; y='y
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| 186 | map_point map_DocToLCO, x, y -- Get column corresponding to pel pos.
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| 187 | ;sayerror 'line' .line': After map 2, line='x'; col='y
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| 188 | getline line
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| 189 | if substr( line, y) = '' then -- Nothing past the given column.
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| 190 | if .line = .last then
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| 191 | next_blank = 1
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| 192 | else
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| 193 | next_blank = textline( .line + 1) = ''
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| 194 | endif
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| 195 | if next_blank then
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| 196 | display 1
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| 197 | leave
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| 198 | endif
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| 199 | ;; rc = 0
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| 200 | x = .last
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| 201 | display -2
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| 202 | call joinlines()
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| 203 | display 2
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| 204 | if x = .last then -- rc=-276 == Line too long to join, or
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| 205 | -- Must have hit MAXMARGIN, and JOIN split the line for us.
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| 206 | '+1'
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| 207 | if leftstr( textline(.line), 1) = ' ' then -- joinlines() added a blank
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| 208 | getsearch savesearch
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| 209 | .col = 1
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| 210 | 'xcom c/ //' -- Change first blank to null
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| 211 | setsearch savesearch
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| 212 | endif
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| 213 | getline line
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| 214 | x = wordindex( line, 2)
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| 215 | if x then -- More than one word
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| 216 | .col = x
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| 217 | split
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| 218 | '-1'
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| 219 | endif
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| 220 | endif
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| 221 | iterate
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| 222 | else
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| 223 | .col = y
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| 224 | if substr( line, y, 1) <> ' ' then
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| 225 | backtab_word
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| 226 | if .col = 1 then
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| 227 | .col = y
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| 228 | endif
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| 229 | endif
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| 230 | call splitlines()
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| 231 | '+1'
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| 232 | endif
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| 233 | enddo
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| 234 | ; call NewUndoRec()
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| 235 | .margins = oldmargins
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| 236 | if ReflowNext then -- position on next paragraph (like PE)
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| 237 | call pfind_blank_line()
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| 238 | for i = .line + 1 to .last
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| 239 | getline line, i
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| 240 | if line <> '' then
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| 241 | .lineg = i
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| 242 | .col = 1
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| 243 | .cursory = oldcursory
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| 244 | .line = i
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| 245 | leave
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| 246 | endif
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| 247 | endfor
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| 248 | else
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| 249 | .col = start_col
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| 250 | endif
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| 251 |
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| 252 |
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| 253 | EA_comment 'This defines the REFLOW command; it can be linked or executed directly. This is also a toolbar "actions" file.'
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