Add :split and :vsplit commands, which split the message list view to
include a message viewer. Each command takes an int, or a delta value
("+1", "-1"). The int value is the resulting size of the message list,
and a new message viewer will be displayed below / to the right of the
message list. This viewer *does not* set seen flags.
Signed-off-by: Tim Culverhouse <tim@timculverhouse.com>
Acked-by: Robin Jarry <robin@jarry.cc>
Introduce AercFuncMsg and QueueFunc. These are used in combination to
queue a function to be run in the main goroutine. This can be used to
prevent data races in delayed function calls (ie from debounce
functions).
Signed-off-by: Tim Culverhouse <tim@timculverhouse.com>
Acked-by: Robin Jarry <robin@jarry.cc>
Remove invalidatable type and all associated calls. All items can
directly invalidate the UI.
Signed-off-by: Tim Culverhouse <tim@timculverhouse.com>
Acked-by: Robin Jarry <robin@jarry.cc>
The Invalidatable struct is designed so that a widget can have a
callback function ran when it is Invalidated. This is used to cascade up
the widget tree, marking things as Invalid along the way so that only
Invalid widgets are drawn. However, this is only implemented at the grid
cell level for checks if the cell is invalidated -- and the grid cells
are never set back to a "valid" state. The effect of this is that no
matter what is invalidated, the entire UI gets drawn again.
The calling through the Invalidate callbacks creates *several* race
conditions, as Invalidate is called from several different goroutines,
and many widgets call invalidate on their parent or children.
Tcell has optimizations to only rerender screen cells that have changed
their rune and style. The only performance penalty by redrawing the
entire screen for aerc is the operations *within the aerc draw methods*.
Most of these are not expensive and have relatively no impact on
performance.
Skip all of the OnInvalidates, and directly invalidate the UI when
DoInvalidate is called by a widget. This reduces data races, and
simplifies the widget redraw logic signficantly.
Signed-off-by: Tim Culverhouse <tim@timculverhouse.com>
Acked-by: Robin Jarry <robin@jarry.cc>
The render method sets everything as invalid if there was a popover.
This is no longer necessary, as everything is redrawn anyways.
Remove the check and extra atomic set of dirty and invalidate.
Remove unused return value
Signed-off-by: Tim Culverhouse <tim@timculverhouse.com>
Acked-by: Robin Jarry <robin@jarry.cc>
Combine tcell events with WorkerMessages to better synchronize state
with IO and UI. Remove Tick loop for rendering. Use events to trigger
renders.
Signed-off-by: Tim Culverhouse <tim@timculverhouse.com>
Acked-by: Robin Jarry <robin@jarry.cc>
Add AercMsg as a main interface for internal communication in aerc in
preparation for a main event loop. Add a QueueRedraw function to to
trigger a redraw. This will be needed for widgets which should be drawn
after some delay (completions, terminal, for example)
Signed-off-by: Tim Culverhouse <tim@timculverhouse.com>
Acked-by: Robin Jarry <robin@jarry.cc>
When using a tiling window manager, aerc terminal dimensions may be
greatly reduced after a new window has been created by :open. When the
ui attempts to render to formerly-valid coordinates, SetCell & Printf
may panic. Replace panic() with no-op in both functions to prevent
aerc from crashing after a window shrink.
Signed-off-by: Jason Stewart <support@eggplantsd.com>
Acked-by: Robin Jarry <robin@jarry.cc>
Protect access to fields in textinput. Concurrent access can happen in
the main event loop and the completion debounce function.
Signed-off-by: Tim Culverhouse <tim@timculverhouse.com>
Acked-by: Robin Jarry <robin@jarry.cc>
Many panics occur from calling Draw on a nil widget, stemming from the
grid ui element. Protect the calls to Draw from within grid to prevent
this method of panic.
Signed-off-by: Tim Culverhouse <tim@timculverhouse.com>
Acked-by: Robin Jarry <robin@jarry.cc>
The grid method Children returns the children of a grid, and is never
used. The function is reimplemented in both aerc.go and account.go, also
never called.
Remove these unused methods.
Signed-off-by: Tim Culverhouse <tim@timculverhouse.com>
Acked-by: Robin Jarry <robin@jarry.cc>
Allow forwarding paste events to embedded applications. When a bracketed
paste is in progress, do not process any command bindings.
Signed-off-by: Robin Jarry <robin@jarry.cc>
Signed-off-by: Tim Culverhouse <tim@timculverhouse.com>
Export context.viewport for use in implementing tcell-term.
Bump tcell version to enable SetCursorStyle feature. Add this function
to the ui for future use with tcell-term.
Signed-off-by: Tim Culverhouse <tim@timculverhouse.com>
Acked-by: Robin Jarry <robin@jarry.cc>
Now that tcell events are handled in a goroutine, no need for a channel
to buffer them.
Rename ui.Tick() to ui.Render() and ui.Run() to ui.ProcessEvents() to
better reflect what these functions do.
Move screen.PollEvent() into ui.ProcessEvents(). Register the panic
handler in ui.ProcessEvents().
Remove aerc.ui.Tick() from DecryptKeys(). What the hell was that?
Signed-off-by: Robin Jarry <robin@jarry.cc>
Tested-by: Tim Culverhouse <tim@timculverhouse.com>
The UI runs off a 16 ms ticker. If no render is required, and no event
is seen, aerc waits 16 ms before checking for new events or render
requests. This severely limits handling of events from tcell, and is
particularly noticeable on pasting of large quantities of text.
Process tcell events in a separate go routine from the render loop.
Signed-off-by: Tim Culverhouse <tim@timculverhouse.com>
Acked-by: Moritz Poldrack <moritz@poldrack.dev>
Acked-by: Robin Jarry <robin@jarry.cc>
Apply GoDoc comment policy (comments for humans should have a space
after the //; machine-readable comments shouldn't)
Use strings.ReplaceAll instead of strings.Replace when appropriate
Remove if/else chains by replacing them with switches
Use short assignment/increment notation
Replace single case switches with if statements
Combine else and if when appropriate
Signed-off-by: Moritz Poldrack <moritz@poldrack.dev>
Acked-by: Robin Jarry <robin@jarry.cc>
Commit 27425c15c4 ("autocompletion: fix slice out of bounds access")
introduced a regression in the autocompletion that messes up the order
of last entered chars when autocompletion runs.
The ranges for a slice a[low:high] are 0 <= low <= high <= len(a) [0]
To reproduce with the ":cf" command:
1) enter ":c"
2) wait for autocompleteion
3) enter "f"
4) the prompt will now be ":fc"
[0]: https://go.dev/ref/spec#Slice_expressions
Fixes: 27425c15c4 ("autocompletion: fix slice out of bounds access")
Signed-off-by: Koni Marti <koni.marti@gmail.com>
Acked-by: Robin Jarry <robin@jarry.cc>
Protect the access to the tabs array and current index with a mutex.
Signed-off-by: Robin Jarry <robin@jarry.cc>
Acked-by: Koni Marti <koni.marti@gmail.com>
The Tabs object exposes an array of Tab objects and the current selected
index in that array. The these two fields are sometimes modified in
goroutines, which can lead to data races causing fatal out of bounds
accesses on the tab array.
Hide these fields as private API. Expose only what needs to be seen from
the outside. This will prepare for protecting concurrent access with
a lock in the next commit.
Signed-off-by: Robin Jarry <robin@jarry.cc>
Acked-by: Koni Marti <koni.marti@gmail.com>
This reverts commit d7feb56cbe.
This commit introduced a regression in which upon closing any but the
last tab caused an out of range panic would occur.
Steps to reproduce
- open a tab
- open another tab
- close the first tab
Fixes: https://todo.sr.ht/~rjarry/aerc/58
Reported-by: akspecs <akspecs@gmail.com>
Signed-off-by: Moritz Poldrack <git@moritz.sh>
Acked-by: Robin Jarry <robin@jarry.cc>
This change fixes a panic caused by the selected tab being out of sync
when selecting a new one in widgets.(*Aerc).SelectedTab(). This happens
if the tab is already removed from the list of tabs, but the selection
not yet being updated.
This was achieved by moving the tabs behind updating the selection.
Signed-off-by: Moritz Poldrack <git@moritz.sh>
Acked-by: Tim Culverhouse <tim@timculverhouse.com>
This patch changes references to uiConfig in function signatures and
structs to be pointers.
Signed-off-by: Tim Culverhouse <tim@timculverhouse.com>
Acked-by: Robin Jarry <robin@jarry.cc>
Add check for public keys of all message recipients (to, cc, and bcc)
before sending the message. Adds an OnFocusLost callback to header
editors to facilitate a callback for checking keys whenever a new
recipient is added (OnChange results in too many keyring checks).
Once encryption is initially set, the callbacks are registered. If a
public key is not available for any recipient, encryption is turned off.
However, notably, the callbacks are still registered meaning as s soon
as the user removes the recipients with missing keys, encryption is
turned back on.
Signed-off-by: Tim Culverhouse <tim@timculverhouse.com>
Tested-by: Koni Marti <koni.marti@gmail.com>
aerc panics when using macOS's default terminal emulator, Terminal.app,
when closing all but aerc's tab:
This error was also written to: /tmp/aerc-crash-20220427-194134.log
panic: Attempted to create context with negative offset [recovered]
panic: Attempted to create context with negative offset
goroutine 1 [running]:
git.sr.ht/~rjarry/aerc/logging.PanicHandler()
/Users/ckuehl/src/aerc/logging/panic-logger.go:47 +0x58c
panic({0x100d077a0, 0x14000032700})
/opt/homebrew/Cellar/go/1.18.1/libexec/src/runtime/panic.go:844 +0x258
git.sr.ht/~rjarry/aerc/lib/ui.(*Context).Subcontext(0x1400013e420?, 0x14000202360?, 0x140000ffc48?, 0x1009a10e4?, 0x100da9440?)
/Users/ckuehl/src/aerc/lib/ui/context.go:47 +0x160
git.sr.ht/~rjarry/aerc/lib/ui.(*Grid).Draw(0x1400013e420, 0x14000202360)
/Users/ckuehl/src/aerc/lib/ui/grid.go:143 +0x2bc
git.sr.ht/~rjarry/aerc/widgets.(*Aerc).Draw(0x1400013e4d0, 0x14000202360)
/Users/ckuehl/src/aerc/widgets/aerc.go:178 +0x30
git.sr.ht/~rjarry/aerc/lib/ui.(*UI).Tick(0x1400022bcc0)
/Users/ckuehl/src/aerc/lib/ui/ui.go:116 +0x248
main.main()
/Users/ckuehl/src/aerc/aerc.go:226 +0x9e8
I'm not entirely sure what the interactions are between the terminal
emulator, aerc's grid, and the space that moves around when the tab bar
disappears because there are no more tabs, but this fixes the issue 100%
of the time and I haven't noticed any issues.
Signed-off-by: Connor Kuehl <cipkuehl@gmail.com>
Acked-by: Robin Jarry <robin@jarry.cc>
Use contextual ui styleset for tabs and compose widgets. If no account
is selected, use default styleset as fallback.
Fixes: https://todo.sr.ht/~rjarry/aerc/3
Signed-off-by: Koni Marti <koni.marti@gmail.com>
Acked-by: Robin Jarry <robin@jarry.cc>
This callback is actually invoked in a goroutine by time.AfterFunc. The
panic handler must be explicitly installed.
Link: https://github.com/golang/go/blob/go1.18/src/time/sleep.go#L160-L173
Signed-off-by: Robin Jarry <robin@jarry.cc>
Acked-by: Moritz Poldrack <moritz@poldrack.dev>
Since panics still regularly "destroy" the terminal, it is hard to get a
stack trace for panics you do not anticipate. This commit adds a panic
handler that automatically creates a logfile inside the current working
directory.
It has to be added to every goroutine that is started and will repair
the terminal on a panic.
Signed-off-by: Moritz Poldrack <git@moritz.sh>
Acked-by: Robin Jarry <robin@jarry.cc>
as per the discussion https://lists.sr.ht/~sircmpwn/aerc/patches/15367
this handles completions in `completer/completer.go` by enabling the
completer to return a `prefix` that will be prepended to the selected
completion candidate.
New border-char-horizontal and border-char-vertical config settings in
aerc.conf allow users to modify border appearance from the default
1-wide/tall blank space. In stylesets, border.fg now affects the
foreground color when custom characters are defined.
Signed-off-by: Robin Jarry <robin@jarry.cc>
When composing a message, there is an empty fill line between the
headers and the text editor. The line is printed with the default style
which may cause users to assume it is part of the editor.
Display the fill lines with the border color to avoid confusion.
Signed-off-by: Robin Jarry <robin@jarry.cc>
Also update to the tcell v2 PaletteColor api, which should keep the chosen
theme of the user intact.
Note, that if $TRUECOLOR is defined and a truecolor given, aerc will now stop
clipping the value to one of the theme colors.
Generally this is desired behaviour though.
Introduce the ability to configure stylesets, allowing customization of
aerc's look (color scheme, font weight, etc). Default styleset is
installed to /path/to/aerc/stylesets/default.
Introduce the ability to configure stylesets, allowing customization of
aerc's look (color scheme, font weight, etc). Default styleset is
installed to /path/to/aerc/stylesets/default.
The grid used static sizes which meant that changing settings didn't
have an effect on elements of the ui, notably the sidebar width. This
patch makes the `Size` parameter of a cell a function which returns the
`int`, allowing for dynamic sizes.
A `Const` function is also included for ease of use for static sizes.
The following functionalities are added to configure aerc ui styles.
- Read stylesets from file with very basic fnmatch wildcard matching
- Add default styleset
- Support different stylesets as part of UiConfig allowing contextual
styles.
- Move widgets/ui elements to use the stylesets.
- Add configuration manual for the styleset
This adds the commands pin-tab and unpin-tab. Once pinned a tab lives on
the left of the tabstrip and has a configurable marker, defaulting to `
before its name.
