c0a8a01222
tree and verifying that there are no changes). (Also fixed a few bugs that were in the code) svn: r14427
87 lines
3.3 KiB
Racket
87 lines
3.3 KiB
Racket
#lang scribble/doc
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@(require "common.ss"
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(for-label scheme/file))
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@title[#:tag "mredprefs"]{Preferences}
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MrEd supports a number of preferences for global configuration. The
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MrEd preferences are stored in the common file reported by
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@scheme[find-system-path] for @indexed-scheme['pref-file], and
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preference values can be retrieved and changed through
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@scheme[get-preference] and @scheme[put-preferences]. However, MrEd
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reads most preferences once at startup (all except the
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@Resource{playcmd}).
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The following are the (case-sensitive) preference names used by MrEd:
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@itemize[
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@item{@ResourceFirst{default-font-size} --- sets the default font size
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the basic style in a style list, and thus the default font size for
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an editor.}
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@item{@ResourceFirst{controlFontSize} --- sets the font size for
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control and menu labels (Windows, X); the font is the @scheme['system]
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font, which can be configured as described in
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@secref["fontresources"].}
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@item{@ResourceFirst{defaultMenuPrefix} --- sets the prefix used by
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default for menu item shortcuts under X, one of @scheme['ctl],
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@scheme['meta], or @scheme['alt]. The default is
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@scheme['ctl]. When this preference is set to @scheme['meta] or
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@scheme['alt], underlined mnemonics (introduced by @litchar{&} in menu
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labels) are suppressed.}
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@item{@ResourceFirst{altUpSelectsMenu} --- a true value makes
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pressing and releasing the Alt key select the first menu in the menu
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bar under X.}
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@item{@ResourceFirst{emacsUndo} --- a true value makes undo in
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editors work as in Emacs (i.e., undo operations are themselves kept
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in the undo stack).}
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@item{@ResourceFirst{hiliteColor} --- a string to sets the color for
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highlighting text, menus, and other GUI elements under X; the
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preference string should contain six hexadecimal digits, two for each
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component of the color. For example, set @Resource{hiliteColor} to
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@scheme["0000A0"] and set @Resource{hiliteMenuBorder} to @scheme[#t]
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for a Bluecurve-like look.}
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@item{@ResourceFirst{hiliteMenuBorder} --- a true value causes a menu
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selection to be highlighted with a border (in addition to a color) under
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X.}
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@item{@ResourceFirst{wheelStep} --- sets the default mouse-wheel step
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size of @scheme[editor-canvas%] objects.}
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@item{@ResourceFirst{outlineInactiveSelection} --- a true value
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causes selections in text editors to be shown with an outline of the
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selected region when the editor does no have the keyboard focus.}
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@item{@ResourceFirst{playcmd} --- used to format a sound-playing
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command; see @scheme[play-sound] for details.}
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@item{@ResourceFirst{forceFocus} --- a true value enables extra
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effort in MrEd to move the focus to a top-level window that is shown
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or raised.}
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@item{@ResourceFirst{doubleClickTime} --- overrides the
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platform-specific default interval (in milliseconds) for double-click
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events.}
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@item{@ResourceFirst{gamma} --- sets the gamma value used in
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gamma-correcting PNG files.}
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@item{@ResourceFirst{selectionAsClipboard} --- under X, a true value
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causes @scheme[the-clipboard] to be an alias to
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@scheme[the-x-selection-clipboard], which means that cut and paste
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operations use the X selection instead of the X clipboard. See also
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@scheme[clipboard<%>].}
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]
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In addition, preference names built from font face names can provide
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or override default entries for the @scheme[font-name-directory<%>];
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see @secref["fontresources"] for information.
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