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Author SHA1 Message Date
Wez Furlong
0ebf84ee1c adopt dirtying mechanism for more efficient screen updates 
We now keep track of the dirty status on a per-line basis
and use that status to realize when we need to repaint a portion
of the screen.  This reduces the compute cost of redrawing
quite significantly; we're no longer on `top` when we're running
`top`!
 2018-01-29 20:38:48 -08:00
Wez Furlong
740c3339a5 Add glyph caching 2018-01-29 09:38:06 -08:00
Wez Furlong
5b1ccc59b6 make CSIParser a bit more compact 
The simpler escape sequences were getting a bit boiler-platey and long,
so hoist them up and perform matching at the main level.  This has the
side effect of discarding params after a match; that's fine for these
as it only seems to be important for the SGR sequences.
 2018-01-29 08:00:30 -08:00
Wez Furlong
be30b1cb54 there's already a wterm, rename to wezterm 2018-01-28 23:52:21 -08:00
Wez Furlong
544dd70ac1 Add CUU, CUD, CUB handling 2018-01-28 23:50:53 -08:00
Wez Furlong
67f07b4fcc add primitive auto wrapping support 2018-01-28 23:44:38 -08:00
Wez Furlong
5dbf90412f bounds check should be on the actual number of cols 
Don't trust that a given Line has exactly phys_cols columns.
 2018-01-28 23:33:31 -08:00
Wez Furlong
4a4d8c7186 add CUF cursor move support 2018-01-28 22:25:53 -08:00
Wez Furlong
2e73b937bb Add some state to track vertical scroll regions 
However, it doesn't really do very much that is useful yet
 2018-01-28 21:16:59 -08:00
Wez Furlong
6ed0e81f02 fix SetCursorPosXY; had rows/cols flipped 2018-01-28 21:13:11 -08:00
Wez Furlong
13a856bbb2 add device attributes answerback 2018-01-28 20:46:34 -08:00
Wez Furlong
1059620233 add stub for setting the scroll region 2018-01-28 20:33:21 -08:00
Wez Furlong
2011eec9f2 clamp cursor y position when moving the cursor 2018-01-28 19:30:07 -08:00
Wez Furlong
001eda902b tidy up basic scroll handling 
Previously, we would not allocate a new line and would end up
panicking when we went off the end of the default screen height.
 2018-01-28 18:05:22 -08:00
Wez Furlong
8d9cd83e6d add some more comments on CSIParser 2018-01-28 17:11:05 -08:00
Wez Furlong
0057b42c4f Pull intermediates check up higher in CSIParser 
This should reduce the chance of ambiguous matches for sequences
that have the same 'byte' field but different intermediates.
 2018-01-28 17:01:15 -08:00
Wez Furlong
78c3aee697 Add support for responding to escape sequences 2018-01-28 16:43:10 -08:00
Wez Furlong
d28494ac20 recognize device status report codes 2018-01-28 15:11:07 -08:00
Wez Furlong
b696aae51f vim truecolor mode uses kde style rgb sgr 2018-01-28 14:55:28 -08:00
Wez Furlong
a0cc6822ef add support for recognizing some decset modes 
We don't do anything about those modes yet.
 2018-01-28 14:51:00 -08:00
Wez Furlong
5816928a25 Add support for Erase In Display 2018-01-28 14:12:56 -08:00
Wez Furlong
39a5b5ef0d add some comments about CSIParser 2018-01-28 14:03:57 -08:00
Wez Furlong
d48bc62a18 move all the current CSI parsing into the CSIParser 2018-01-28 13:53:18 -08:00
Wez Furlong
12a839c4ac Adopt slice patterns for parsing CSI 2018-01-28 13:36:17 -08:00
Wez Furlong
2eefee4412 move csi parsing to its own file 2018-01-28 11:35:36 -08:00
Wez Furlong
cedc62e91a fix cursor positioning when ligatures are used 2018-01-28 09:55:28 -08:00
Wez Furlong
dbeda14566 Add ShmImage, a shared memory Pixmap 
Using the SHM extension of the X server saves us from sending ~1MB of
bitmap data to the server on many screen update operations for a
modestly sized terminal window.

SHM may not be available in some situations so we need to keep a
fallback that basically works.  This is done via a helper enum
in xwin.rs.

I've removed the unused Pixmap class; the pixmap concept makes the
most sense for us only when SHM is available.
 2018-01-28 09:43:36 -08:00
Wez Furlong
91424e427f factor out BitmapImage from Image 2018-01-27 22:58:40 -08:00
Wez Furlong
bf854d0eb0 remove some unused code 2018-01-27 22:24:44 -08:00
Wez Furlong
0ab8cf1eec Render the cursor position, fixup colors 
I thought it would be nice to use the default xterm palette, but
I really hate the contrast of its default blue on black, so switch
to the palette from my xterm config.
 2018-01-27 22:17:31 -08:00
Wez Furlong
1d4fc17187 apply Deref to simplify Terminal/TerminalState 2018-01-27 21:56:29 -08:00
Wez Furlong
1ae85b2349 send keyboard input to the pty 2018-01-27 21:54:57 -08:00
Wez Furlong
f879447d59 add xgfx::Connection, store atoms inside it 2018-01-27 14:49:15 -08:00
Wez Furlong
ec3c8f04ba move TerminalWindow into its own file 2018-01-27 14:29:07 -08:00
Wez Furlong
ee85a0bdcd avoid .bk files when rustfmt'ing 2018-01-27 14:20:15 -08:00
Wez Furlong
5d6d9747c7 expand columns as needed for set_cell 2018-01-27 13:56:35 -08:00
Wez Furlong
2d739eb667 Ensure that the pty is the controlling terminal for the child 2018-01-27 13:51:10 -08:00
Wez Furlong
8080718c71 Listen for sigchld 2018-01-27 13:41:45 -08:00
Wez Furlong
a11a34b031 We're now able to run and render top 2018-01-27 13:38:26 -08:00
Wez Furlong
e63f003ad0 move the pty into the TerminalWindow 2018-01-27 08:43:08 -08:00
Wez Furlong
eef4487d27 plumb XCB events into the mio loop 2018-01-27 08:18:55 -08:00
Wez Furlong
ab74b4c731 proof of concept with having mio drive the pty reads 2018-01-26 09:00:40 -08:00
Wez Furlong
0ecda48f01 Add some code for working with ptys 2018-01-26 08:23:32 -08:00
Wez Furlong
3484b94435 Allow setting full RGB foreground/background color 2018-01-25 21:37:16 -08:00
Wez Furlong
b56209a181 tighten up SGR parsing 
Track all the rendition bits described in the SGR section here:
https://invisible-island.net/xterm/ctlseqs/ctlseqs.html

Still need to hook up color matching against the color palette
as described for the 256 color mode flavor.
 2018-01-25 10:05:57 -08:00
Wez Furlong
3ec0b3f795 connect model to display, hook up print + some basic SGR 2018-01-24 22:28:03 -08:00
Wez Furlong
342efa810b cell attributes to bitfield, add screen container 2018-01-24 09:13:03 -08:00
Wez Furlong
7e41bb27d4 Add basic attribute setting and rendering 2018-01-23 23:12:30 -08:00
Wez Furlong
641e85650d add terminal cell and colors 2018-01-23 08:57:59 -08:00
Wez Furlong
36a884b872 Add compositing to colorize text 
Defines a couple of compositing operators so that we can support having
both colored background and colored text.
 2018-01-22 22:32:48 -08:00