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There were a few issues with selection in scrollback that were mainly
off-by-one errors. This aims at fixing these issues.
This also fixes a bug that currently exists in master where the last
cell is not selected when the mouse leaves the window to the right.
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Because there was some overlap with branch #1095, these two PRs have
been added together and the config has been restructured to make use of
a `scrolling` section.
The default faux scrolling amount has also been changed to `3` because
this simplifies the code and falls in line with what most other terminal
emulators do.
There should be no additional test failures due to this.
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It is now possible to configure the amount of lines the viewport should
scroll when using the normal scrolling mode.
This fixes #1160.
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There was an issue where alacritty tries to convert the lines in a
selection to the on-screen lines even when the selection is not on the
screen. This results in a crash.
To prevent this from happening the selection now is not shown if it is
off the screen.
There currently still is a bug that when the selection is at the top of
the screen but still half visible, it will not show the top line as
selected but start in the second line.
This bug should be resolved with
https://github.com/jwilm/alacritty/pull/1171.
This fixes #1148.
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To make it possible to access the native scrollback buffer in the
alternate screen without having to disable faux scrolling, faux
scrolling is now disabled when the `shift` key is held down.
This should allow alacritty to have the best of both worlds, a native
scrollback buffer in the alternate screen buffer and faux scrolling.
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When implementing fallback to the default value with an u32 you will get
0 as the default value.
However the default scrollback value is 10_000. A custom deserializer
has been implemented which automatically falls back to the correct
default value.
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It's nice to be able to use incremental compilation for release builds.
TODO quantify performance impact.
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Scroll wheel needs some scaling so it feels like urxvt and friends.
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Selections now *mostly* work. They move as the buffer scrolls, copying
works as it should, and it looks like the different selection modes
behave properly as well.
The new Selection implementation uses buffer coordinates instead of
screen coordinates. This leads to doing a transform from mouse input to
update the selection, and back to screen coordinates when displaying the
selection. Scrolling the selection is fast because the grid is already
operating in buffer coordinates.
There are several bugs to address:
* A _partially_ visible selection will lead to a crash since the drawing
routine converts selection coordinates to screen coordinates. The
solution will be to clip the coordinates at draw time.
* A selection scrolling off the buffer in either direction leads to
indexing out-of-bounds. The solution again is to clip, but this needs
to be done within Selection::rotate by passing a max limit. It may
also need a return type to indicate that the selection is no longer
visible and should be discarded.
* A selection scrolling out of a logical scrolling region is not
clipped. A temporary and robust workaround is to simply discard the
selection in the case of scrolling in a region.
wip selections
fix issue with line selection
selection mostly working
need to support selection not being on the screen at draw time
Fix selection_to_string
Uncomment tests
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Supporting selections with scrollback has two major components:
1. Grid needs access to Selection so that it may update the scroll
position as the terminal text changes.
2. Selection needs to be implemented in terms of buffer offsets -- NOT
lines -- and be updated when Storage is rotated.
This commit implements the first part.
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Things that do not work
- Limiting how far back in the buffer it's possible to scroll
- Selections (need to transform to buffer offsets)
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This intends to optimize the case where the top of the scrolling region
is the top of the screen. In theory, scrolling in this case can be
optimized to shifting the start/end of the visible region, and then
rearranging any lines that were not supposed to be scrolled (at the
bottom of the region). However, this didn't produce quite the speedup I
expected.
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In addition to a marginal performance improvement, this simplifies some
logic in the Term implementation since now the Grid fully handles row
recycling.
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The type selection::Region was defined identially to std::ops::Range.
Using something other than range just served to confuse.
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This is part of some cleanup for the grid module as a whole.
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VecDeque offers improved performance beyond a plain Vec for common
scrolling situations (full screen scroll). Additionally, VecDeque is
necessary for performant scrollback since recycling old rows for a Vec
would be expensive (push/pop front would shift entire vec).
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Unwrapping inside the config file parsing can lead to some issues that
prevent us from falling back to a default configuration file.
One instance of that issue was mentioned in #1135.
Now all instances of `unwrap()` have been removed and replaced with
proper error handling. This will make the config more robust and
prevents live reload from silently breaking while alacritty is running.
This also fixes a few currently existing clippy issues.
Clippy added an additonal lint which complains about `MyStruct { field:
field }`.
These issues have been fixed, except for some false-positives and issues
in external macros which will probably be fixed with future updates (rust-lang-nursery/bitflags#149)
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Upgrading glutin to the latest version allows building alacritty even
with old XRandr versions.
This is relevant for Debian machines (and other ancient systems).
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The level of heading were one to high.
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fixes #1086
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This cleans up a bunch of code.
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Updated the lockfile to make sure clippy is building properly with the
latest nightly toolchain.
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Updated the version of some dependencies.
This also changes to a new clippy version so clippy can work with the latest nightly compiler again. Some issues created by new lints have been fixed.
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This should fix #1020, #710, and #902
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Up to this point the `reset_state` method of the `Term` struct has been
just a placeholder. This has been changed and all important state has
been reset.
The only state that has not been reset is stuff which is retrieved from
the config and isn't stored as default on the `Term` struct either. From
what I can tell these are all never changed though.
This fixes jwilm/alacritty#1033.
After doing some more testing trying to figure out how to fix that all
glyphs are messed up after doing `cat /dev/urandom`, I was able to
confirm that resetting `Term::cursor` fixes the glyphs and restores
everything to normal.
So this also fixes jwilm/alacritty#804.
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The lockfile has been updated to make clippy work with nightly again.
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This change initially spawns alacritty as in invisible window, this
makes it possible for the pty to already access data like `window_id`
without having to wait for the window manager to actually open the
window.
Even though `GlWindow::new` is blocking when `with_visibility(true)` is
used, the `window.show` call is not blocking. So calling `GlWindow::new`
and `with_visibility(false)`, then immediately calling `window.show`
will create a window and make it visible instantly.
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Clippy failed to build with the latest nightly, so the lockfile has been
updated to allow the nightly builds to work again.
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