diff options
author | Ralf Baechle <ralf@linux-mips.org> | 1998-08-25 09:12:35 +0000 |
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committer | Ralf Baechle <ralf@linux-mips.org> | 1998-08-25 09:12:35 +0000 |
commit | c7fc24dc4420057f103afe8fc64524ebc25c5d37 (patch) | |
tree | 3682407a599b8f9f03fc096298134cafba1c9b2f /Documentation/VGA-softcursor.txt | |
parent | 1d793fade8b063fde3cf275bf1a5c2d381292cd9 (diff) |
o Merge with Linux 2.1.116.
o New Newport console code.
o New G364 console code.
Diffstat (limited to 'Documentation/VGA-softcursor.txt')
-rw-r--r-- | Documentation/VGA-softcursor.txt | 43 |
1 files changed, 24 insertions, 19 deletions
diff --git a/Documentation/VGA-softcursor.txt b/Documentation/VGA-softcursor.txt index 17d39fefe..70acfbf39 100644 --- a/Documentation/VGA-softcursor.txt +++ b/Documentation/VGA-softcursor.txt @@ -1,34 +1,39 @@ Software cursor for VGA by Pavel Machek <pavel@atrey.karlin.mff.cuni.cz> -======================= & Martin Mares <mj@atrey.karlin.mff.cuni.cz> +======================= and Martin Mares <mj@atrey.karlin.mff.cuni.cz> Linux now has some ability to manipulate cursor appearance. Normally, you -can set the size of hardware cursor (and also work-around some ugly bugs in -those miserable Trident cards -- see #define TRIDENT_GLITCH in drivers/char/ -vga.c). In case you enable "Software generated cursor" in the system -configuration, you can play few new tricks: you can make your cursor look -like a non-blinking red block, make it inverse background of the character -it's over or to highlight that character and still choose whether the -original hardware cursor should remain visible or not. And maybe other -things I have never thought of. +can set the size of hardware cursor (and also work around some ugly bugs in +those miserable Trident cards--see #define TRIDENT_GLITCH in drivers/video/ +vgacon.c). You can now play a few new tricks: you can make your cursor look +like a non-blinking red block, make it inverse background of the character it's +over or to highlight that character and still choose whether the original +hardware cursor should remain visible or not. There may be other things I have +never thought of. The cursor appearance is controlled by a "<ESC>[?1;2;3c" escape sequence where 1, 2 and 3 are parameters described below. If you omit any of them, they will default to zeroes. - Parameter #1 specifies cursor size (0=default, 1=invisible, 2=underline, ..., + Parameter 1 specifies cursor size (0=default, 1=invisible, 2=underline, ..., 8=full block) + 16 if you want the software cursor to be applied + 32 if you -want to always change the background color + 64 if you dislike background same -as foreground. (Highlights are ignored for the last two flags.) +want to always change the background color + 64 if you dislike having the +background the same as the foreground. Highlights are ignored for the last two +flags. The second parameter selects character attribute bits you want to change -(by simple XOR'ing them with the value of this parameter). On standard VGA, -the high 4 bits specify background and the low 4 the foreground. In both -groups, low 3 bits set color (as in normal color codes used by the console) -and the most significant one turns on highlight (or sometimes blinking -- it +(by simply XORing them with the value of this parameter). On standard VGA, +the high four bits specify background and the low four the foreground. In both +groups, low three bits set color (as in normal color codes used by the console) +and the most significant one turns on highlight (or sometimes blinking--it depends on the configuration of your VGA). - And the third parameter consists of character attribute bits you want -to set. Bit setting takes place before bit toggling, so you can simply -clear a bit by including it in both the set mask and the toggle mask. + The third parameter consists of character attribute bits you want to set. +Bit setting takes place before bit toggling, so you can simply clear a bit by +including it in both the set mask and the toggle mask. +Examples: +========= +To get normal blinking underline, use: echo -e '\033[?2c' +To get blinking block, use: echo -e '\033[?6c' +To get red non-blinking block, use: echo -e '\033[?17;0;64c' |