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22 lines
1017 B
ReStructuredText
22 lines
1017 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
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: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
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rectangular region of the 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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