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Vim runtime files based on 7.4.384 / hg changeset 7090d7f160f7 Excluding: Amiga icons (*.info, icons/) doc/hangulin.txt tutor/ spell/ lang/ (only used for menu translations) macros/maze/, macros/hanoi/, macros/life/, macros/urm/ These were used to test vi compatibility. termcap "Demonstration of a termcap file (for the Amiga and Archimedes)" Helped-by: Rich Wareham <rjw57@cam.ac.uk> Helped-by: John <john.schmidt.h@gmail.com> Helped-by: Yann <yann@yann-salaun.com> Helped-by: Christophe Badoit <c.badoit@lesiteimmo.com> Helped-by: drasill <github@tof2k.com> Helped-by: Tae Sandoval Murgan <taecilla@gmail.com> Helped-by: Lowe Thiderman <lowe.thiderman@gmail.com>
73 lines
2.6 KiB
Plaintext
73 lines
2.6 KiB
Plaintext
README.txt for color scheme files
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These files are used for the ":colorscheme" command. They appear in the
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Edit/Color Scheme menu in the GUI.
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Hints for writing a color scheme file:
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There are two basic ways to define a color scheme:
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1. Define a new Normal color and set the 'background' option accordingly.
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set background={light or dark}
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highlight clear
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highlight Normal ...
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...
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2. Use the default Normal color and automatically adjust to the value of
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'background'.
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highlight clear Normal
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set background&
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highlight clear
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if &background == "light"
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highlight Error ...
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...
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else
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highlight Error ...
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...
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endif
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You can use ":highlight clear" to reset everything to the defaults, and then
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change the groups that you want differently. This also will work for groups
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that are added in later versions of Vim.
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Note that ":highlight clear" uses the value of 'background', thus set it
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before this command.
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Some attributes (e.g., bold) might be set in the defaults that you want
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removed in your color scheme. Use something like "gui=NONE" to remove the
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attributes.
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In case you want to set 'background' depending on the colorscheme selected,
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this autocmd might be useful:
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autocmd SourcePre */colors/blue_sky.vim set background=dark
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Replace "blue_sky" with the name of the colorscheme.
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In case you want to tweak a colorscheme after it was loaded, check out that
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ColorScheme autocmd event.
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To see which highlight group is used where, find the help for
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"highlight-groups" and "group-name".
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You can use ":highlight" to find out the current colors. Exception: the
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ctermfg and ctermbg values are numbers, which are only valid for the current
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terminal. Use the color names instead. See ":help cterm-colors".
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The default color settings can be found in the source file src/syntax.c.
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Search for "highlight_init".
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If you think you have a color scheme that is good enough to be used by others,
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please check the following items:
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- Does it work in a color terminal as well as in the GUI?
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- Is "g:colors_name" set to a meaningful value? In case of doubt you can do
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it this way:
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let g:colors_name = expand('<sfile>:t:r')
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- Is 'background' either used or appropriately set to "light" or "dark"?
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- Try setting 'hlsearch' and searching for a pattern, is the match easy to
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spot?
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- Split a window with ":split" and ":vsplit". Are the status lines and
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vertical separators clearly visible?
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- In the GUI, is it easy to find the cursor, also in a file with lots of
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syntax highlighting?
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- Do not use hard coded escape sequences, these will not work in other
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terminals. Always use color names or #RRGGBB for the GUI.
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