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This fixes an issue with hints where it was possible that the terminal
content of highlighted hints changed between the highlighted hint update
and the activation of the hint.
This patch always validates the hint's text content against the hint
itself to ensure that the content is still valid for the original hint
which triggered the highlight.
Closes #8277.
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Use `end` of the cursor to draw a `HollowBlock` from `start` to `end`.
When cursor covers only a single character, use `Beam` cursor instead
of `HollowBlock`.
Fixes #8238.
Fixes #7849.
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Use `end` of the cursor to draw a `HollowBlock` from `start` to `end`.
When cursor covers only a single character, use `Beam` cursor instead
of `HollowBlock`.
Fixes #8238.
Fixes #7849.
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Some users struggle with TOML, since root options must always be at the
top of the file, since they're otherwise associated with the last table.
To avoid misunderstandings, all root-level fields have been removed. A
new `general` section was added to allow housing configuration options
that do not fit into any more specific groups.
Closes #7906.
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There's no need to force alacritty's user configuration on
other users of the crate, thus provide the options actually used
by alacritty_terminal itself.
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This patch underlines the full regex hint match while the keyboard hint
selection is in process.
While it would be possible to color the entire match, this would only
introduce unnecessary configuration options and be too noisy. The
underline matches the mouse highlighting and has a less drastic visual
impact.
Closes #6178.
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This fixes an issue where regexes with a large number of possible states
would consume excessive memory, since the entire DFA was compiled ahead
of time.
To solve this, the DFA is now built at runtime using `regex-automata`'s
hybrid DFA.
There are however still some checks performed ahead of time, causing
errors with obscenely large regexes (`[0-9A-Za-z]{999999999}`), which
shouldn't cause any issues.
A regex which is large, but not large enough to fail the NFA
construction (like `[0-9A-Za-z]{999999}`) will cause a long search of
the entire grid, but will complete and show the match.
Closes #7097.
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This switches Alacritty's default configuration format from yaml to
toml. While yaml is still supported, it is done by converting it to toml
and should be removed entirely in the future.
All existing features were persisted based on my testing. Behavior
should not change much, though `--option` might have slightly different
behavior since the entire line is not interpreted as one line of toml.
A new `alacritty migrate` subcommand has been added which allows
automatic migration from yaml to toml. This also could be used as a
facility to automatically fix configuration file changes in the future.
Closes #6592.
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Co-authored-by: Christian Duerr <contact@christianduerr.com>
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This fixes an issue with terminal resizes when the selection is on the
last line. Alacritty would fail to rotate lines and keep the selection
in the same line index whenever the terminal line count was grown or
shrunk.
This issue occurred due to the range passed to the selection's rotate
function still being based on the old terminal size, which caused the
initial or target state of the rotation to be outside of the terminal
bounds.
Closes #6698.
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This commit adds support for inline IME handling. It also makes the
search bar use underline cursor instead of using '_' character.
Fixes #1613.
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If a graphic is added over another one, the implementation now checks if new
graphic has transparent pixels in every cell. If so, the graphic is appended to
the cell, instead of replacing the previous one.
SmallVec is used to prevent heap allocation when the cell only contains a single
graphic. This should be the most common scenario.
The GPU will store up to 100 textures. If another texture is added when there
are 100, the oldest one is deleted.
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When text is added to a cell with a reference to a graphic, an operation is sent
to the OpenGL thread to replace a subregion of the cell with a transparent area.
If the OpenGL driver supports the GL_ARB_clear_texture extension, the region is
updated with glClearTexSubImage. If the extension is not available, the
texture is updated with glTexSubImage2D.
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The merge requires multiple changes in order to be compatible with the last
version of Alacritty:
- Textures are now always deleted on Drop.
This is required because Alacritty now supports multiple windows in the same
process, so we can't assume that all resources are freed when a single window
is closed. This is the same approach used for the atlas textures.
- The graphics feature is only compatible with OpenGL 3.3.
Alacritty now supports GLES 2.2, but in order to provide a proper support for
it we need a different approach, specific for that version.
- Cell dimensions in pixels are re-added to the alacritty_terminal crate.
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This commit adds support for hyperlink escape sequence
`OSC 8 ; params ; URI ST`. The configuration option responsible for
those is `hints.enabled.hyperlinks`.
Fixes #922.
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There's no need to damage intermediate Vi mode cursor points, since it
can't change the terminal content meaning that only the previous
and current vi cursor's viewport points matter to damage it properly.
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This commit adds support for colored underline and refines the dynamic
extra storage. The extra storage now is using `Arc` making cloning it way
faster compared to `Box` approach which scales really well when it comes
to cloning in `Term::write_at_cursor`, since cloning `Arc` is constant
time.
Fixes #4142.
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Fixes #1628.
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This method no longer returns an `Option` since #5773.
Co-authored-by: Kirill Chibisov <contact@kchibisov.com>
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This allows compositors to only process damaged (that is, updated)
regions of our window buffer, which for larger window sizes (think 4k)
should significantly reduce compositing workload under compositors that
support/honor it, which is good for performance, battery life and lower
latency over remote connections like VNC.
On Wayland, clients are expected to always report correct damage, so
this makes us a good citizen there. It can also aid remote desktop
(waypipe, rdp, vnc, ...) and other types of screencopy by having damage
bubble up correctly.
Fixes #3186.
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Alacritty's `msg create-window` subcommand would previously inherit all
the CLI parameters from the original executable. However not only could
this lead to unexpected behavior, it also prevents multi-window users
from making use of parameters like `-e`, `--working-directory`, or
`--hold`.
This is solved by adding a JSON-based message format to the IPC socket
messages which instructs the Alacritty server on which CLI parameters
should be used to create the new window.
Fixes #5562.
Fixes #5561.
Fixes #5560.
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The existing cursor inversion logic was causing more problems than it
solved, without solving the problem of invisible cursor when inverting a
cell with matching foreground and background colors.
This patch reworks this logic and only inverts the cursor when the
foreground and background colors of the cursor are similar and the
cursor colors aren't set to fixed RGB values.
Fixes #4564.
Fixes #5550.
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In some cases it could be desired to apply 'background_opacity'
to all background colors instead of just 'colors.primary.background',
thus adding an 'colors.opaque_background_colors' option to control that.
Fixes #741.
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This PR combines a couple of optimizations to drastically reduce the
time it takes to gather everything necessary for rendering Alacritty's
terminal grid.
To help with the iteration over the grid, the `DisplayIter` which made
heavy use of dynamic dispatch has been replaced with a simple addition
to the `GridIterator` which also had the benefit of making the code a
little easier to understand.
The hints/search check for each cell was always performing an array
lookup before figuring out that the cell is not part of a hint or
search. Since the general case is that the cell is neither part of hints
or search, they've been wrapped in an `Option` to make verifying their
activity a simple `is_some()` check.
For some reason the compiler was also struggling with the `cursor`
method of the `RenderableContent`. Since the iterator is explicitly
drained, the performance took a hit of multiple milliseconds for a
single branch. Our implementation does never reach the case where
draining the iterator would be necessary, so this sanity check has just
been replaced with a `debug_assert`.
Overall this has managed to reduce the time it takes to collect all
renderable content from ~7-8ms in my large grid test to just ~3-4ms.
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Fixes #5022.
Co-authored-by: Christian Duerr <contact@christianduerr.com>
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This fixes a regression introduced in 0.7.0 where the block cursor would
not expand across both cells anymore when on top of a wide char spacer
cell.
The logic to always move the cursor on the wide char instead of the
spacer has been moved to the alacritty_terminal crate, making sure it is
always performed before any processing in the UI.
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Fixes #4960.
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This patch removes the old url highlighting code and replaces it with a
new implementation making use of hints as sources for finding matches in
the terminal.
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In 3bd5ac221ab3b122962063edd1f4c10f9f2d117f a regression was introduced
which caused the selection of a focused match to invert the cell color
back to its original color. This was due to the removal of the
`is_match` flag on the renderable cell, which was used to make sure a
cell is not marked as part of a match if it is already part of a
selection.
Instead of relying on a flag that is passed through from content.rs, the
application of the cell colors is instead done in the content.rs file
directly. This not only fixes the bug with selecting the focused match,
but also makes the logic a bit more transparent.
Fixes #4934.
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Previously Alacritty was using two different ways to reference lines in
the terminal. Either a `usize`, or a `Line(usize)`. These indexing
systems both served different purposes, but made it difficult to reason
about logic involving these systems because of its inconsistency.
To resolve this issue, a single new `Line(i32)` type has been
introduced. All existing references to lines and points now rely on
this definition of a line.
The indexing starts at the top of the terminal region with the line 0,
which matches the line 1 used by escape sequences. Each line in the
history becomes increasingly negative and the bottommost line is equal
to the number of visible lines minus one.
Having a system which goes into the negatives allows following the
escape sequence's indexing system closely, while at the same time making
it trivial to implement `Ord` for points.
The Alacritty UI crate is the only place which has a different indexing
system, since rendering and input puts the zero line at the top of the
viewport, rather than the top of the terminal region.
All instances which refer to a number of lines/columns instead of just a
single Line/Column have also been changed to use a `usize` instead. This
way a Line/Column will always refer to a specific place in the grid and
no confusion is created by having a count of lines as a possible index
into the grid storage.
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Fixes #910
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This fixes a regression introduced in a954e07 which caused the vi mode
cursor to be invisible after starting a search.
This was caused by a discrepancy between the search DFA and search
active state, since a search is not active after it has been confirmed
but the DFAs are still present for highlighting.
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This adds support for hints, which allow opening parts of the visual
buffer with external programs if they match a certain regex.
This is done using a visual overlay triggered on a specified key
binding, which then instructs the user which keys they need to press to
pass the text to the application.
In the future it should be possible to supply some built-in actions for
Copy/Pasting the action and using this to launch text when clicking on
it with the mouse. But the current implementation should already be
useful as-is.
Fixes #2792.
Fixes #2536.
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