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f787a377c3
Supports dark mode. Also re-organize the documentation a bit, making it more hierarchical. Have a nicer landing page
27 lines
1.3 KiB
ReStructuredText
27 lines
1.3 KiB
ReStructuredText
Saving and restoring colors
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It is often useful for a full screen application with its own color themes to
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set the default foreground, background, selection and cursor colors and the
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ANSI color table. This allows for various performance optimizations when
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drawing the screen. The problem is that if the user previously used the escape
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codes to change these colors herself, then running the full screen application
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will lose her changes even after it exits. To avoid this, kitty introduces a
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new pair of *OSC* escape codes to push and pop the current color values from a
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stack::
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<ESC>]30001<ESC>\ # push onto stack
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<ESC>]30101<ESC>\ # pop from stack
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These escape codes save/restore the colors, default
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background, default foreground, selection background, selection foreground and
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cursor color and the 256 colors of the ANSI color table.
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.. note:: In July 2020, after several years, XTerm copied this protocol
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extension, without acknowledgement, and using incompatible escape codes
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(XTPUSHCOLORS, XTPOPCOLORS, XTREPORTCOLORS). And they decided to save not
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just the dynamic colors but the entire ANSI color table. In the interests of
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promoting interoperability, kitty added support for XTerm's escape codes as
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well, and changed this extension to also save/restore the entire ANSI color
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table.
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