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The crate containing the entry point is called alacritty, and the crate
containing everything else is called alacritty_terminal.
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Previously cursor dimensions were not calculated correctly when a font
offset was specified, since the font offset was completely ignored.
This has been fixed by moving all the cursor logic from the font into
the Alacritty crate, applying the config's offsets before rasterizing
the cursors.
This has also fixed an issue with some cursors not being rendered as
double-width correctly when over double-width glyphs.
This fixes #2209.
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This changes the cursor whenever it moves to a cell which contains
part of a URL.
When a URL is hovered over, all characters that are recognized as part
of the URL will be underlined and the mouse cursor shape will be
changed. After the cursor leaves the URL, the previous hover state is
restored.
This also changes the behavior when clicking an illegal character right
in front of a URL. Previously this would still launch the URL, but strip
the illegal character. Now these clicks are ignored to make sure there's
no mismatch between underline and legal URL click positions
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The warning and error messages now don't overwrite other terminal
content anymore but instead resize the terminal to make sure that text
can always be read.
Instead of just showing that there is a new error and pointing to the log,
errors will now be displayed fully in multiple lines of text, assuming that
there is enough space left in the terminal.
Explicit mouse click handling has also been added to the message bar,
which made it possible to add a simple `close` button in the form of
`[X]`.
Alacritty's log file location is now stored in the `$ALACRITTY_LOG`
environment variable which the shell inherits automatically.
Previously there were some issues with the log file only being deleted
when certain methods for closing Alacritty were used (like typing
`exit`). This has been reworked and now Ctrl+D, exit and signals should
all work properly.
Before the config is reloaded, all current messages are now dropped.
This should help with multiple terminals all getting clogged up at the
same time when the config is broken.
When one message is removed, all other duplicate messages are
automatically removed too.
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Various special characters and character combinations were not handled
correctly with URL detection. All these instances have been resolved and
covered by various tests to prevent future regressions.
Notable fixes include single quotes working more properly now (like
`'https://example.org'`) and IPv6 URL support.
Since URL detection is now more than just a few lines of code and it's
mostly unrelated to the `Term`, it has also been extracted into the
`src/url.rs` file together with all URL-related tests.
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Alacritty is often spawned through the executable on
Windows. Since this doesn't allow access to the stderr
and crashes on startup are more common on Windows
due to the agent, it can be hard to troubleshoot issues.
This reports all Alacritty crashes through error popups
on Windows, which should resolve the problem of
crashing Alacritty instances without any error feedback.
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This resolves a lot of NLL issues, however full NLL will be necessary to
handle a couple of remaining issues.
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To make sure that all error and information reporting to the user is
unified, all instances of `print!`, `eprint!`, `println!` and
`eprintln!` have been removed and replaced by logging.
When `RUST_LOG` is not specified, the default Alacritty logger now also
prints to both the stderr and a log file. The log file is only created
when a message is written to it and its name is printed to stdout the
first time it is used.
Whenever a warning or an error has been written to the log file/stderr,
a message is now displayed in Alacritty which points to the log file
where the full error is documented.
The message is cleared whenever the screen is cleared using either the
`clear` command or the `Ctrl+L` key binding.
To make sure that log files created by root don't prevent normal users
from interacting with them, the Alacritty log file is `/tmp/Alacritty-$PID.log`.
Since it's still possible that the log file can't be created, the UI
error/warning message now informs the user if the message was only
written to stderr. The reason why it couldn't be created is then printed
to stderr.
To make sure the deletion of the log file at runtime doesn't create any
issues, the file is re-created if a write is attempted without the file
being present.
To help with debugging Alacritty issues, a timestamp and the error
level are printed in all log messages.
All log messages now follow this format:
[YYYY-MM-DD HH:MM] [LEVEL] Message
Since it's not unusual to spawn a lot of different terminal emulators
without restarting, Alacritty can create a ton of different log files.
To combat this problem, logfiles are removed by default after
Alacritty has been closed. If the user wants to persist the log of a
single session, the `--persistent_logging` option can be used. For
persisting all log files, the `persistent_logging` option can be set in
the configuration file
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Some changes include:
• Use the with_hardware_acceleration function on the ContextBuilder to not require the discrete GPU
• Remove the LMenu and RMenu virtual key codes (winit 0.16.0 removed these because Windows now generates LAlt and RAlt instead
• Replace set_cursor_state with hide_cursor (winit 0.16.0 removed the set_cursor_state function)
• Replace GlWindow::hidpi_factor with GlWindow::get_hidpi_factor and change to expecting an f64
• Use the glutin/winit dpi size and position types where possible
Glutin's dpi change event has been implemented. All size events now
return logical sizes. As a result of that, the logical sizes are translated
in the `display::handle_rezize` method so DPI scaling works correctly.
When the DPI is changed, the glyph cache is updated to make use of the
correct font size again.
Moving a window to a different screen which is a different DPI caused a
racing condition where the logical size of the event was sent to the
`handle_resize` method in `src/display.rs`, however if there was a DPI
change event before `handle_resize` is able to process this message, it
would incorrectly use the new DPI to scale the resize event.
To solve this issue instead of sending the logical size to the
`handle_resize` method and then converting it to a physical size in
there, the `LogicalSize` of the resize event is transformed into a
`PhysicalSize` as soon as it's received. This fixes potential racing
conditions since all events are processed in order.
The padding has been changed so it's also scaled by DPR.
The `scale_with_dpi` config option has been removed. If it's not present
a warning will be emitted.
The `winit` dependency on Windows has been removed. All interactions
with winit in Alacritty are handled through glutin.
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This resolves all existing clippy issues and removes some old `allow`
annotations which aren't neccesary anymore.
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This adds the option to automatically launch URLs with a specified
program when clicking on them.
The config option `mouse.url_launcher` has been added to specify which
program should be used to open the URL. The URL is always passed as the
last parameter to the specified command.
It is not always desired for URLs to open automatically when clicking on
them. To resolve this a new `modifiers` field has been introduced to the
config, which allows specifying which keyboard modifiers need to be held
down to launch URLs in the specified launcher.
Some tests have been added to make sure that the edge-cases of the URL
parsing are protected against future regressions. To make testing easier
the parsing method has been moved into the `SemanticSearch` trait. The
name of the trait has also been changed to just `Search` and it has been
moved to `src/term/mod.rs` to fit the additional functionality.
This fixes #113.
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Initial support for Windows is implemented using the winpty translation
layer. Clipboard support for Windows is provided through the `clipboard`
crate, and font rasterization is provided by RustType.
The tty.rs file has been split into OS-specific files to separate
standard pty handling from the winpty implementation.
Several binary components are fetched via build script on windows
including libclang and winpty. These could be integrated more directly
in the future either by building those dependencies as part of the
Alacritty build process or by leveraging git lfs to store the artifacts.
Fixes #28.
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This replaces the current definitions, which depend on the system's
'xterm-256color' terminfo definition with the `alacritty` and
`alacritty-direct` definitions.
The new definitions are completely standalone.
The default `TERM` value has been changed to be dynamically
set based on the definitions installed on the system. Alacritty will
try to use the `alacritty` definition first and fall back to
`xterm-256color` if the `alacritty` definition is not present.
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To check that transmutes will work correctly without having to rely on
error-prone runtime checking, the `static_assertions` crate has been
introduced. This allows comparing the size of types at compile time,
preventing potentially silent breakage.
This fixes #1417.
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We moved to "cargo clippy" in 5ba34d4f9766a55a06ed5e3e44cc384af1b09f65 and
removing the clippy lint annotations in `src/lib.rs` does not cause any additional warnings.
This also changes `cargo clippy` to use the flags required for checking integration tests.
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Using clippy as a library has been deprecated, instead the `cargo
clippy` command should be used instead. To comply with this change
clippy has been removed from the `Cargo.toml` and is now installed with
cargo when building in CI.
This has also lead to a few new clippy issues to show up, this includes
everything in the `font` subdirectory. This has been fixed and `font`
should now be covered by clippy CI too.
This also upgrades all dependencies, as a result this fixes #1341 and
this fixes #1344.
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This commit adds clippy as a required step of the build process. To make
this possible, all existing clippy issues have been resolved.
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This allows e.g. tmux to set the clipboard via the OSC 52 escape code.
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Some terminals have functionality around changing the type of mouse
cursor dynamically (arrow and text) based on which mode(s) the VTE is
in. For example, gnome-terminal changes the cursor from text (default)
to an arrow when opening programs that track mouse events (e.g. vim,
emacs, tmux, htop, etc.). The programs all allow using the mouse
interactively under some circumstances (like executing `set mouse=a` in
vim).
The programs that use an interactive mouse set the terminal mode to
different values. Though they're not entirely the same terminal mode
across programs, an emulator like vte (the library gnome-terminal
implements), changes the mouse cursor if the mouse mode is one of the
following:
- 1000: Mouse Click Tracking
- 1001: Mouse Highlight Tracking
- 1002: Mouse Cell Motion Tracking
- 1003: Mouse All Motion Tracking
- 1004: Mouse Focus Tracking
See https://github.com/GNOME/vte/blob/6acfa59dfcceef65c1f7e3570db37ab245f049c4/src/vteseq.cc#L708
for more information.
This commit adds functionality that changes the winit/glutin
`MouseCursor` when a mouse-listening mode of 1000-1004 is set. It
behaves similarly to when the window title changes.
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Also fixes warning from gl generator
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This became a support burden for me due to various compile and run time
issues.
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Useful when requesting more info to help investigating issues.
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When RUST_LOG environment variable is set, uses env_logger instead of
our custom logger. This is desirable for debugging purposes.
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Because there are so many clippy warnings in the current codebase,
this commit removes '#![cfg_attr(feature = "clippy", deny(clippy))]',
to make it easier to fix warnings incrementally.
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* Update to latest Glutin/winit
This *finally* gets us off the fork of Glutin we've been on for so long
and will unblock a number of other items. Functionality should be the
same as before.
The update forced our hand on a compiler update. It's no longer
feasible to pin on an old version. From now on, we require latest
stable.
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This reverts commit 3cdba291242cc1c1684bff7f8242262b1cdeb582.
On some systems, the target commit actually caused a massive performance
issue rather than fixing one.
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The InstanceData type in the rendering subsystem was previously 16
floats which occupied a total of 64 bytes per instance. This meant that
for every character or background cell drawn, 64 bytes were sent to the
GPU. In the case of a 400x100 cell grid, a total of 2.5MB would be sent.
This patch reduces InstanceData's size to 26 bytes, a 60% improvement!
Using the above example for comparison, a worst case of 1MB would be
transferred.
The motivation for this patch comes from macOS. Once the terminal grid
would reach a certain size, performance experienced a sharp and dramatic
drop (render times would go from ~3ms to ~16ms). I don't want to
speculate too much on the underlying issue, but suffice it to say that
this patch alleviates the problem in my testing.
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Add support for the VTE 'dim' flag, with additional support for
custom-themed dim colors. If no color is specified in the config, it
will default to 2/3 the previous (not a spec, but the value other
terminals seem to use).
The actual dimming behavior brings bright colors to normal and regular
colors to the new dim ones. Custom RGB values are not changed, nor are
non-named indexed colors.
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Notable about this implementation is it takes a different approach for
managing cursor cells that previously. The terminal Grid is now
borrowed *immutably*. Instead of mutating Cells in the Grid, a list is
managed within the RenderableCellsIter. The cell at the cursor location
is skipped over, and instead cells are popped off a list of cursor
cells.
It would be good in the future to share some more code between the
different cursor style implementations for populating the cursor cells
list.
Supercedes #349.
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Support is added for setting _NET_WM_PID automatically. This is to
support scripting of the window environment. For example, this makes it
possible to script opening a window with same CWD:
1. Retrieve the current window
2. (new) get PID of window
3. Check if it's Alacritty, find first child (presumably a shell), and
get the child's cwd.
4. Spawn new instance of terminal with cwd.
Unaddressed in this commit is how this will coexist on a Wayland system.
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Loading a glyph from the cache is a very hot operation in the renderer.
The original implementation would first check if a glyph was loaded and
then call `get()` which would have to search a second time. This showed
up as a very slow point in profiles.
This patch addresses glyph cache access in two ways: by using a faster
hasher optimized for small keys (fnv), and by using the entry API for
fetching a cached glyph. The `fnv` hasher is faster than the default and
is very efficient for small keys. Using the entry API on the HashMap
means only 1 lookup instead of two. The entry API has a downside where
the key needs to get cloned on fetches.
Reducing the GlyphKey width to 64-bits helps in both areas. Copying an
8-byte wide type is very cheap and thus limits downside of the entry
API. The small width also helps with the hasher performance.
Over all, this patch reduced typical render times by several hundred
microseconds on a 2013 MacBook Pro with a full screen terminal full of
text.
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This uses the rustc-test crate, a copy of the standard test crate, to
dynamically create tests for each reference test. No need to remember to
update the macro, just add the directory to ref!
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Proc_macro has been stable since 1.15.0, attribute no longer needed.
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Resolves #35.
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