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13303416b8
Add more text roles and links. Fix typos. Adjust the default shortcut order in overview. Notes on the impact of kitty-open.desktop on the default open apps. Document KITTY_DEVELOP_FROM in glossary. Add Python type hints to the watcher example. Mention clone-in-kitty in launch --copy-env. Fix remote control ls example does not work, by escaping the backslash.
21 lines
1018 B
ReStructuredText
21 lines
1018 B
ReStructuredText
Setting text styles/colors in arbitrary regions of the screen
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There already exists an escape code to set *some* text attributes in arbitrary
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regions of the screen, `DECCARA
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<https://vt100.net/docs/vt510-rm/DECCARA.html>`__. However, it is limited to
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only a few attributes. |kitty| extends this to work with *all* SGR attributes.
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So, for example, this can be used to set the background color in an arbitrary
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region of the screen.
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The motivation for this extension is the various problems with the existing
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solution for erasing to background color, namely the *background color erase
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(bce)* capability. See :iss:`this discussion <160#issuecomment-346470545>`
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and `this FAQ <https://invisible-island.net/ncurses/ncurses.faq.html#bce_mismatches>`__
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for a summary of problems with *bce*.
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For example, to set the background color to blue in a rectangular region of the
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screen from (3, 4) to (10, 11), you use::
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<ESC>[2*x<ESC>[4;3;11;10;44$r<ESC>[*x
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