Commit Graph

12 Commits

Author SHA1 Message Date
Christian Duerr 1723e30d25
Use ConfigDeserialize for all config enums
This fixes up all of the remaining enums which are used in the
configuration file to make sure they all support fully case insensitive
deserialization.

Fixes #4611.
2020-12-31 05:52:45 +00:00
Christian Duerr ec42b42ce6
Use dynamic storage for zerowidth characters
The zerowidth characters were conventionally stored in a [char; 5].
This creates problems both by limiting the maximum number of zerowidth
characters and by increasing the cell size beyond what is necessary even
when no zerowidth characters are used.

Instead of storing zerowidth characters as a slice, a new CellExtra
struct is introduced which can store arbitrary optional cell data that
is rarely required. Since this is stored behind an optional pointer
(Option<Box<CellExtra>>), the initialization and dropping in the case
of no extra data are extremely cheap and the size penalty to cells
without this extra data is limited to 8 instead of 20 bytes.

The most noticible difference with this PR should be a reduction in
memory size of up to at least 30% (1.06G -> 733M, 100k scrollback, 72
lines, 280 columns). Since the zerowidth characters are now stored
dynamically, the limit of 5 per cell is also no longer present.
2020-11-05 04:45:14 +00:00
Christian Duerr bc60782e42
Fix reflow of empty wrapped cursor line
This bug was caused by trying to grow the terminal while the cursor line
was wrapped but entirely empty. Resizing the terminal now accounts for
the position of the deleted line and moves the cursor up only when the
line deleted was above it.

The deletion of the line was caused by the shell redrawing itself
whenever the cursor is moved.

Fixes #3583.
2020-07-01 09:58:06 +03:00
Christian Duerr 7aafbb757d
Remove copyright notice from files
Keeping the license as part of every file bloats up the files
unnecessarily and introduces an additional overhead to the creation of
new modules.

Since cargo already provides excellent dependency management, most of
the code-reuse of Alacritty should occur through Rust's dependency
management instead of copying it source.

If code is copied partially, copying the license from the main license
file should be just as easy as copying from the top of the file and
making some adjustments based on where it is used is likely necessary
anyways.
2020-06-06 21:49:14 +03:00
Christian Duerr 1dacc99183
Refactor Term/Grid separation
This commit aims to clear up the separation between Term and Grid to
make way for implementing search.

The `cursor` and `cursor_save` have been moved to the grid, since
they're always bound to their specific grid and this makes updating
easier.

Since the selection is independent of the active grid, it has been moved
to the `Term`.
2020-05-30 20:45:44 +00:00
Christian Duerr 81ce93574f
Extend style guideline documentation 2020-05-05 22:50:23 +00:00
Christian Duerr 36185c4753
Fix colored row reset performance
This fixes a bug where a row would always get reset completely if its
background does not equal the default terminal background. This leads to
big performance bottlenecks when running commands like `echo "\e[41m" &&
yes`.

Instead of resetting the entire row whenever the template cell is not
empty, the template cell is now compared to the last cell in the row.
The last cell will always be equal to the previous template cell when
`row.occ < row.inner.len()` and if `occ` is equal to the row's length,
the entire row is always reset anyways.

Fixes #2989.
2019-12-10 00:35:13 +01:00
Nathan Lilienthal 182a9d5c2e Fix deletion of lines when clearing the screen
Previously Alacritty would delete lines when clearing the screen, leading to a
loss of data in the scrollback buffer. Instead of deleting these lines, they
are now rotated outside of the visible region.

This also fixes some issues with Alacritty only resetting lines partially when
the background color of the template cell changed.

Fixes #2199.
2019-11-18 22:15:25 +01:00
Christian Duerr 729eef0c93
Update to winit/glutin EventLoop 2.0
This takes the latest glutin master to port Alacritty to the EventLoop
2.0 rework.

This changes a big part of the event loop handling by pushing the event
loop in a separate thread from the renderer and running both in
parallel.

Fixes #2796.
Fixes #2694.
Fixes #2643.
Fixes #2625.
Fixes #2618.
Fixes #2601.
Fixes #2564.
Fixes #2456.
Fixes #2438.
Fixes #2334.
Fixes #2254.
Fixes #2217.
Fixes #1789.
Fixes #1750.
Fixes #1125.
2019-10-05 02:29:26 +02:00
Christian Duerr c4d2725e14
Fix row occ not set during new and reset
Since ref tests were only stored whenever winit requested the window
close, they would not get stored properly when the terminal was closed
through Alacritty using `exit`, Ctrl+D or similar.

This moves the ref test code to the and of the main entry point, which
will always be executed regardless of how the terminal was shutdown.

Fixes #2613.
2019-07-10 21:17:20 +00:00
Christian Duerr af30f3735a
Fix rows only resetting partially
This resolves an issue with rows only resetting partially, based on
their `occ` state. However this state is not always accurate, so more
than just the occupied elements need to be cleared.

Fixes #2340.
2019-06-28 20:19:15 +00:00
Theodore Dubois dbd8538762 Split alacritty into a separate crates
The crate containing the entry point is called alacritty, and the crate
containing everything else is called alacritty_terminal.
2019-04-28 13:24:58 +00:00
Renamed from src/grid/row.rs (Browse further)