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* terminal: draw even if underlying command has diedRobin Jarry2023-09-271-24/+11
| | | | | | | | | | | | | | | | | After the command running in the terminal has exited, the tcell-term buffer still contains the last status of its virtual tty. If a virtual terminal is visible, draw it even after its command has exited. Calling tcellterm.VT.Draw() does not interact with the underlying process at all, it only accesses the screen buffer. This should fix incomplete drawing of message parts when using a pager that exits after printing contents (e.g. `less -F`). Also, it should fix redrawing of such message part contents after switching tabs back and forth. Reported-by: Julio B <julio.bacel@gmail.com> Signed-off-by: Robin Jarry <robin@jarry.cc> Tested-by: Julio B <julio.bacel@gmail.com>
* terminal: avoid races between close and drawRobin Jarry2023-08-111-27/+28
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Fix races where a goroutine calls Terminal.Draw and another one calls Terminal.Close or Terminal.Destroy. The closing thread will eventually set term.vterm to nil just before the drawing thread calls term.vterm.Draw(), causing this crash: Error: runtime error: invalid memory address or nil pointer dereference goroutine 1 [running]: panic({0xb09140, 0x10b5860}) runtime/panic.go:890 +0x263 git.sr.ht/~rockorager/tcell-term.(*VT).Draw(0x0) git.sr.ht/~rockorager/tcell-term@v0.8.0/vt.go:424 +0x50 git.sr.ht/~rjarry/aerc/widgets.(*Terminal).draw(0xc001c658b0) git.sr.ht/~rjarry/aerc/widgets/terminal.go:116 +0x29 git.sr.ht/~rjarry/aerc/widgets.(*Terminal).Draw(0xc001c658b0, 0xc002b08150) git.sr.ht/~rjarry/aerc/widgets/terminal.go:108 +0x1b4 git.sr.ht/~rjarry/aerc/lib/ui.(*Grid).Draw(0xc001d0c360, 0xc0008ddb30) git.sr.ht/~rjarry/aerc/lib/ui/grid.go:126 +0x225 git.sr.ht/~rjarry/aerc/widgets.(*Composer).Draw(0xc001c13180, 0xc0008ddb30) git.sr.ht/~rjarry/aerc/widgets/compose.go:747 +0x8f git.sr.ht/~rjarry/aerc/lib/ui.(*TabContent).Draw(0xc0003cc5b0, 0xc0008ddb30) git.sr.ht/~rjarry/aerc/lib/ui/tab.go:468 +0x1f4 git.sr.ht/~rjarry/aerc/lib/ui.(*Grid).Draw(0xc0001b2900, 0xc000037050) git.sr.ht/~rjarry/aerc/lib/ui/grid.go:126 +0x225 git.sr.ht/~rjarry/aerc/widgets.(*Aerc).Draw(0xc000000180, 0xc000037050) git.sr.ht/~rjarry/aerc/widgets/aerc.go:193 +0x209 git.sr.ht/~rjarry/aerc/lib/ui.(*UI).Render(0xc000414040) git.sr.ht/~rjarry/aerc/lib/ui/ui.go:105 +0x62 main.main() git.sr.ht/~rjarry/aerc/main.go:279 +0xbac Use an atomic to determine if the terminal is closed or not. Never set vterm to nil (it is not necessary). Signed-off-by: Robin Jarry <robin@jarry.cc> Tested-by: Koni Marti <koni.marti@gmail.com> Reviewed-by: Tim Culverhouse <tim@timculverhouse.com>
* ui: fix deadlocks in message channelRobin Jarry2023-05-201-3/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | There are several ways the ui message channel can fill up leading to deadlocks. 1) Invalidate() changes the value of uiState to DIRTY. The following call sequence: QueueRedraw() Invalidate() QueueRedraw() Leads to multiple nil messages being queued in the message channel whereas one could assume that the second QueueRedraw() would do nothing. This is caused by the tri-state nature of uiState. 2) We use the same channel to convey state change, keyboard events and redraw requests. Since a keyboard event almost always triggers a redraw, we end up trying to append a redraw message in the same goroutine that reads from the channel. This triggers a deadlock when there are more than 50 pending messages. Solve the issue by using multiple channels, one per type of message that needs to be sent to the main ui thread. Remove QueueRedraw() and merge its functionality in Invalidate(). Only use a DIRTY/CLEAN state to determine if something needs to be queued in the redraw channel. Use a channel for quitting instead of an atomic. Restructure some code functions to have a cleaner API. Use a for loop in the main thread and select from all channels. Signed-off-by: Robin Jarry <robin@jarry.cc> Tested-by: Koni Marti <koni.marti@gmail.com> Tested-by: Maarten van Gompel <proycon@anaproy.nl>
* term: fix handling of failed commandTim Culverhouse2023-04-261-1/+2
| | | | | | | | | | | | | | | | | | | | | A panic occurs when a terminal is launched with a command that fails: :term blabla The underlying terminal does not need to be closed if the command failed to start: all resources are cleaned up upon failure to start already. Don't attempt to close terminal if the command didn't start. With the above fix in place, the tab will linger around until a redraw occurs, as there is nothing queuing a redraw on this behavior. Add a QueueRedraw in the tabs.Remove method to clean up the tabbar. The issue in tcell-term that causes this panic has been address there as well, released as 0.7.1. Update aerc's version. Reported-by: Koni Marti <koni.marti@gmail.com> Signed-off-by: Tim Culverhouse <tim@timculverhouse.com> Tested-by: Koni Marti <koni.marti@gmail.com> Acked-by: Robin Jarry <robin@jarry.cc>
* term: add config options for TERM and osc8Tim Culverhouse2023-04-241-0/+3
| | | | | | | | Add config options for setting the TERM environment variable used in tcell-term and for enabling or disabling OSC8 escape sequence output. Signed-off-by: Tim Culverhouse <tim@timculverhouse.com> Acked-by: Robin Jarry<robin@jarry.cc>
* tcell-term: upgrade to latest releaseTim Culverhouse2023-04-231-16/+19
| | | | | | | | | | | | | | | | | Upgrade tcell-term to latest release. This is a complete rewrite of tcell-term, and includes many minor bug fixes and overall improvements. Notably: - Improved parsing - One fewer goroutine - Improved API - Improved redraw messaging - Improved key support - Improved mouse support Signed-off-by: Tim Culverhouse <tim@timculverhouse.com> Acked-by: Robin Jarry<robin@jarry.cc>
* term: ignore redraw events when not visibleRobin Jarry2023-04-151-3/+9
| | | | | | | | | | | | | | | | Another attempt at fixing the high CPU usage when terminal tabs are running interactive tui applications and the message list tab is selected. There are cases where a terminal widget can be visible but not focused (composer, message viewer, attachment selector, etc.). Define a new Visible interface with a single Show() method. Call that method when changing tabs to make sure that terminal widget content events only trigger redraws when they are visible. Fixes: 382aea4a9426 ("terminal: avoid high cpu usage when not focused") Signed-off-by: Robin Jarry <robin@jarry.cc> Tested-by: Koni Marti <koni.marti@gmail.com>
* terminal: avoid high cpu usage when not focusedRobin Jarry2023-04-041-1/+3
| | | | | | | | | | | | | | | | When running dynamic tui applications (such as btop, htop, etc.) in the embedded :terminal and focusing an account tab, every tui application change triggers a full redraw of the whole window. When the message list is focused, this leads to high cpu usage because of the computationally intensive templates parsing and ansi sequence handling. Only redraw when the terminal is focused. Do not use tcell Watch and Unwatch functions since these completely disable all widget updates, including title changes and terminal close events. Reported-by: John Mcenroy <handplanet@outlook.com> Signed-off-by: Robin Jarry <robin@jarry.cc> Tested-by: John Mcenroy <handplanet@outlook.com>
* tabs: make sure to close tab contentRobin Jarry2023-04-011-4/+8
| | | | | | | | Rework how tabs are closed. Change the aerc.RemoveTab and aerc.ReplaceTab functions to accept a new boolean argument. If true, make sure to close the tab content. Signed-off-by: Robin Jarry <robin@jarry.cc>
* logging: rename package to logRobin Jarry2022-12-021-2/+2
| | | | | | | | | | Use the same name than the builtin "log" package. That way, we do not risk logging in the wrong place. Suggested-by: Tim Culverhouse <tim@timculverhouse.com> Signed-off-by: Robin Jarry <robin@jarry.cc> Tested-by: Bence Ferdinandy <bence@ferdinandy.com> Acked-by: Tim Culverhouse <tim@timculverhouse.com>
* ui: invalidate ui when queuing redrawTim Culverhouse2022-11-061-1/+0
| | | | | | | | | | | | | | | The QueueRedraw function should always be preceeded by a call to ui.Invalidate in order to make a redraw a occur. In one instance, this was not done and it was possible for the UI to not redraw itself (when a terminal closes, a UI redraw request is made but it is possible for the UI to not be invalidated as a result of the close). Move the call to Invalidate into the QueueRedraw function to ensure that every QueueRedraw call will redraw the screen. Fixes: https://todo.sr.ht/~rjarry/aerc/98 Signed-off-by: Tim Culverhouse <tim@timculverhouse.com> Acked-by: Robin Jarry <robin@jarry.cc>
* terminal: properly handle cursor displayTim Culverhouse2022-10-191-15/+13
| | | | | | | | | The terminal widget reports if the cursor should be displayed. Properly handle this output to report cursor display back to aerc. Reported-by: staceee Signed-off-by: Tim Culverhouse <tim@timculverhouse.com> Acked-by: Robin Jarry <robin@jarry.cc>
* invalidatable: cleanup dead codeTim Culverhouse2022-10-121-2/+1
| | | | | | | | 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>
* terminal: use Invalidate and QueueRedrawTim Culverhouse2022-10-071-14/+2
| | | | | | | | | | | | | | | | | | | The terminal widget uses it's own redraw logic to improve performance. With the addition of a main event loop, the redraw logic can happen in the main loop via the standard Invalidate logic. Use the Invalidate method to mark aerc invalid, and immediately trigger a redraw with ui.QueueRedraw. The follow up call to QueueRedraw is needed because the terminal update happens in a separate goroutine. This can result in the main event loop finishing it's process of the current event, redrawing the screen, and the terminal having additional updates to be drawn. This fixes race conditions by drawing and calling screen.Show in a separate goroutine. Signed-off-by: Tim Culverhouse <tim@timculverhouse.com> Acked-by: Robin Jarry <robin@jarry.cc>
* aerc: use single event loopTim Culverhouse2022-10-071-0/+1
| | | | | | | | | 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>
* logging: substitute %w for %vKoni Marti2022-10-021-1/+1
| | | | | | | | | | | | | | | | Subsitute the format specifier %w for %v in the logging facility. The logging functions use a fmt.Sprintf call behind the scene which does not recognize %w. %w should be used in fmt.Errorf when you want to wrap errors. Hence, the log entries that use %w are improperly formatted like this: ERROR 2022/10/02 09:13:57.724529 worker.go:439: could not get message info %!w(*fmt.wrapError=&{could not get structure: [snip] }) ^ Links: https://go.dev/blog/go1.13-errors Signed-off-by: Koni Marti <koni.marti@gmail.com> Acked-by: Moritz Poldrack <moritz@poldrack.dev>
* terminal: fix race conditions on access to cmdTim Culverhouse2022-10-021-35/+11
| | | | | | | | | | | | | | | | Upgrade tcell-term to v0.2.0 Use Start method from tcell-term. This prevents aerc from needing to wait until the command has started to continue. The tcell-term start method blocks until the command is started, similar to cmd.Start. By doing so, we prevent a race condition between aerc and tcell-term on access to cmd.Process. Remove cleanup of cmd, this is all already handled by tcell-term when Close is called. Signed-off-by: Tim Culverhouse <tim@timculverhouse.com> Acked-by: Robin Jarry <robin@jarry.cc>
* terminal: remove invalidate methodTim Culverhouse2022-09-291-5/+1
| | | | | | | | | | The terminal widget has two invalidation methods, one exported and one private. The private one does nothing special. Remove the private method and only use the exported method. Signed-off-by: Tim Culverhouse <tim@timculverhouse.com> Acked-by: Robin Jarry <robin@jarry.cc>
* terminal: prevent draw loop when unfocusedTim Culverhouse2022-09-261-0/+3
| | | | | | | | | | If a :term is open and aerc is focused on another tab, it is possible for the :term to redraw itself to the screen. Only allow terminal to redraw itself when it is focused. Signed-off-by: Tim Culverhouse <tim@timculverhouse.com> Acked-by: Robin Jarry <robin@jarry.cc>
* terminal: don't invalidate on EventWidgetContentTim Culverhouse2022-09-191-1/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The terminal widget uses it's own internal event handler to redraw itself for improved performance. The event handler draws, updates the screen, and invalidates. The last invalidate is redundant: Invalidating has the result of telling aerc to redraw the screen. A race condition can occur where an event is emitted from the terminal and the terminal is closed before the event is handled. This results in handling the event after the terminal is closed, and a panic: panic: Attempted to invalidate unknown cell goroutine 54685 [running]: git.sr.ht/~rjarry/aerc/lib/ui.(*Grid).cellInvalidated(0xc00b0a34a0, {0xbb8f10?, 0xc00360cd80}) git.sr.ht/~rjarry/aerc/lib/ui/grid.go:287 +0x175 git.sr.ht/~rjarry/aerc/lib/ui.(*Invalidatable).DoInvalidate(0xc0002e7900?, {0xbb8f10?, 0xc00360cd80?}) git.sr.ht/~rjarry/aerc/lib/ui/invalidatable.go:22 +0x82 git.sr.ht/~rjarry/aerc/widgets.(*Terminal).invalidate(...) git.sr.ht/~rjarry/aerc/widgets/terminal.go:93 git.sr.ht/~rjarry/aerc/widgets.(*Terminal).HandleEvent(0xc00360cd80, {0xbb4ba0?, 0xc006022690?}) git.sr.ht/~rjarry/aerc/widgets/terminal.go:192 +0xd2 github.com/gdamore/tcell/v2/views.(*WidgetWatchers).PostEvent(...) github.com/gdamore/tcell/v2@v2.5.3/views/widget.go:113 github.com/gdamore/tcell/v2/views.(*WidgetWatchers).PostEventWidgetContent(0xc0001b9360, {0xbbc950?, 0xc0001b9320}) github.com/gdamore/tcell/v2@v2.5.3/views/widget.go:123 +0x12b git.sr.ht/~rockorager/tcell-term.(*Terminal).run.func1() git.sr.ht/~rockorager/tcell-term@v0.1.0/terminal.go:117 +0x9d created by git.sr.ht/~rockorager/tcell-term.(*Terminal).run git.sr.ht/~rockorager/tcell-term@v0.1.0/terminal.go:104 +0x110 Don't invalidate on EventWidgetContent. The terminal already handles drawing and updating the tcell Screen internally. Signed-off-by: Tim Culverhouse <tim@timculverhouse.com> Acked-by: Robin Jarry <robin@jarry.cc>
* terminal: improve mouse supportTim Culverhouse2022-09-151-9/+11
| | | | | | | | Improve terminal mouse support by forwarding mouse events to the terminal widget. Clicking and dragging are supported. Signed-off-by: Tim Culverhouse <tim@timculverhouse.com> Acked-by: Robin Jarry <robin@jarry.cc>
* terminal: check for context before calling it's methodsTim Culverhouse2022-09-151-3/+7
| | | | | | | | The terminal widget internally uses several context methods. Check that context is not nil before calling any method to prevent panics. Signed-off-by: Tim Culverhouse <tim@timculverhouse.com> Acked-by: Robin Jarry <robin@jarry.cc>
* term: replace go-libvterm with tcell-termTim Culverhouse2022-09-141-371/+73
| | | | | | | | | | | | | | | | Replace go-libvterm package with tcell-term. go-libvterm provides the embedded terminal for aerc. It uses a statically linked C library, requiring CGO. tcell-term is written in pure go and is written to be portable with tcell applications by implementing the tcell Widget interface. This allows the terminal to take a view (which aerc already supplies) and draw directly to it, as well as issue tcell Events to a Watcher. Enable setting cursor shapes in embedded terminals. Signed-off-by: Tim Culverhouse <tim@timculverhouse.com> Signed-off-by: Robin Jarry <robin@jarry.cc>
* lint: homogenize operations and minor fixes (gocritic)Moritz Poldrack2022-08-041-21/+20
| | | | | | | | | | | | | | | | | | 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>
* lint: ensure errors are at least logged (errcheck)Moritz Poldrack2022-08-041-3/+12
| | | | | Signed-off-by: Moritz Poldrack <moritz@poldrack.dev> Acked-by: Robin Jarry <robin@jarry.cc>
* lint: apply new formatting rulesMoritz Poldrack2022-08-011-5/+3
| | | | | | | Run `make fmt`. Signed-off-by: Moritz Poldrack <git@moritz.sh> Acked-by: Robin Jarry <robin@jarry.cc>
* terminal: fix deadlock with finer-grained lockingKoni Marti2022-05-251-3/+8
| | | | | | | | | | | | Commit 1bac87e80414 ("terminal: fix race when closing a terminal") fixed a race in Terminal.Draw by using a mutex. The current locking of the entire Draw function could create a deadlock, however, since this function itself might call Terminal.Close which is protected by the same mutex. A finer-grained locking solves both the race and deadlock problem. Signed-off-by: Koni Marti <koni.marti@gmail.com> Acked-by: Robin Jarry <robin@jarry.cc>
* fix: "terminal: fix race when closing a terminal"Robin Jarry2022-05-231-3/+0
| | | | | | | I applied the wrong version of this patch. Link: https://lists.sr.ht/~rjarry/aerc-devel/patches/32482 Signed-off-by: Robin Jarry <robin@jarry.cc>
* terminal: fix race when closing a terminalKoni Marti2022-05-231-0/+10
| | | | | | | | | | | | | | | | | Fix race when closing a terminal. The race appears as a nil pointer dereference panic in pty.StartWithAttrs when trying to access the provided term.cmd variable. Before calling pty.StartwithAttrs in the Terminal.Draw function, term.cmd is checked for nil. Terminal.Close must be called concurrently right after this check and before/while entering pty.StartWithAttrs. This can be avoided with a mutex. Link: https://github.com/creack/pty/issues/146 Link: https://lists.sr.ht/~rjarry/aerc-devel/%3CCJ2I45HMOTGD.2J1QMEJ4T1E3N%40t450.arielp.com%3E#%3CCJ3D069RCTXL.3VEZ7JIGFHOHK@Archetype%3E Fixes: https://todo.sr.ht/~rjarry/aerc/38 Signed-off-by: Koni Marti <koni.marti@gmail.com> Acked-by: Robin Jarry <robin@jarry.cc>
* logging: added a log on panicMoritz Poldrack2022-03-231-0/+3
| | | | | | | | | | | | | 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>
* all: fix minor issues found by staticcheckMoritz Poldrack2022-03-121-2/+2
| | | | Signed-off-by: Moritz Poldrack <git@moritz.sh>
* terminal: fix nil pointer dereference in pty.GetsizeKoni Marti2022-01-191-1/+4
| | | | | | | | | | | | | pty.Getsize() is used in the Draw function of the terminal widget and wraps the pty.GetsizeFull() function. However, pty.Getsize does not check the returned error from pty.GetsizeFull before dereferencing the winsize struct. In case of an error, this will cause a nil pointer deference and panic. This has been reported in the upstream package, but in the meantime, we can directly use pty.GetsizeFull. References: https://todo.sr.ht/~rjarry/aerc/11 Signed-off-by: Koni Marti <koni.marti@gmail.com>
* fix segfault when copy-pasting into compose editorKoni Marti2022-01-141-0/+3
| | | | | | | | | fixes the segmentation fault when copy-pasting a large text into the composer editor. The problem is a concurrent read of the vterm field in the Terminal widget in its flushTerminal() method which can be avoided with a mutex. Fixes: https://todo.sr.ht/~rjarry/aerc/12 Signed-off-by: Koni Marti <koni.marti@gmail.com>
* go.mod: change base git urlRobin Jarry2021-11-051-1/+1
| | | | | | | I'm not sure what are the implications but it seems required. Link: https://github.com/golang/go/issues/20883 Signed-off-by: Robin Jarry <robin@jarry.cc>
* widgets/terminal: Only call vterm.ScreenCell.Attrs once in styleFromCellClayton Craft2021-04-131-6/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This fixes a substantial performance issue when scrolling emails with long/complicated contents, where scrolling down a single line can take something like hundreds of ms before the screen is updated to reflect the scroll. It's really bad if the email has lots of columns, e.g. like if it's an html email that was passed through a filter (w3m, etc) to render it. Using pprof, I found that the multiple calls to vterm.ScreenCell.Attrs() in styleFromCell were really really expensive. This patch replaces them with a single call. Here's a before and after with a simple, but very manual test of opening a large email with contents that went through a w3m filter and continuously scrolling up and down over and over for ~30 seconds: *** Before: ----------------------------------------------------------+------------- flat flat% sum% cum cum% calls calls% + context ----------------------------------------------------------+------------- 28.25s 100% | git.x2esr.x2eht..z2f..z7esircmpwn..z2faerc..z2fwidgets.PartSwitcher.Draw 0 0% 99.94% 28.25s 82.31% | git.x2esr.x2eht..z2f..z7esircmpwn..z2faerc..z2fwidgets.PartViewer.Draw 28.25s 100% | git.x2esr.x2eht..z2f..z7esircmpwn..z2faerc..z2fwidgets.Terminal.Draw ----------------------------------------------------------+------------- 28.25s 100% | git.x2esr.x2eht..z2f..z7esircmpwn..z2faerc..z2fwidgets.PartViewer.Draw 0 0% 99.94% 28.25s 82.31% | git.x2esr.x2eht..z2f..z7esircmpwn..z2faerc..z2fwidgets.Terminal.Draw 19.23s 68.07% | git.x2esr.x2eht..z2f..z7esircmpwn..z2faerc..z2fwidgets.Terminal.styleFromCell 6.04s 21.38% | github.x2ecom..z2fddevault..z2fgo..z2dlibvterm.Screen.GetCellAt 1.38s 4.88% | git.x2esr.x2eht..z2f..z7esircmpwn..z2faerc..z2flib..z2fui.Context.Printf 0.62s 2.19% | runtime.mapassign 0.43s 1.52% | runtime.mapaccess2 0.20s 0.71% | runtime.newobject 0.19s 0.67% | runtime.callers (inline) 0.07s 0.25% | runtime.makeslice 0.07s 0.25% | runtime.mallocgc ----------------------------------------------------------+------------- 19.23s 100% | git.x2esr.x2eht..z2f..z7esircmpwn..z2faerc..z2fwidgets.Terminal.Draw 0 0% 99.94% 19.23s 56.03% | git.x2esr.x2eht..z2f..z7esircmpwn..z2faerc..z2fwidgets.Terminal.styleFromCell 19.21s 99.90% | github.x2ecom..z2fddevault..z2fgo..z2dlibvterm.ScreenCell.Attrs *** After: ----------------------------------------------------------+------------- flat flat% sum% cum cum% calls calls% + context ----------------------------------------------------------+------------- 0.31s 100% | git.x2esr.x2eht/~sircmpwn/aerc/widgets.Terminal.Draw 0 0% 99.87% 0.31s 1.33% | github.x2ecom/ddevault/go-libvterm.NewPos 0.25s 80.65% | runtime.callers (inline) 0.04s 12.90% | runtime.gomcache (inline) ----------------------------------------------------------+------------- 8.40s 100% | github.x2ecom/ddevault/go-libvterm.Screen.GetCellAt 0 0% 99.87% 8.40s 36.11% | github.x2ecom/ddevault/go-libvterm.Screen.GetCell 7.14s 85.00% | github.x2ecom/ddevault/go-libvterm._cgoCheckPointer 0.54s 6.43% | runtime.callers (inline) 0.35s 4.17% | runtime.exitsyscall 0.11s 1.31% | runtime.deferprocStack 0.07s 0.83% | doentersyscall 0.07s 0.83% | runtime.getg 0.05s 0.6% | runtime.casgstatus 0.03s 0.36% | _init 0.03s 0.36% | runtime.gomcache (inline) ----------------------------------------------------------+------------- 8.46s 100% | git.x2esr.x2eht/~sircmpwn/aerc/widgets.Terminal.Draw 0 0% 99.87% 8.46s 36.37% | github.x2ecom/ddevault/go-libvterm.Screen.GetCellAt 8.40s 99.29% | github.x2ecom/ddevault/go-libvterm.Screen.GetCell 0.06s 0.71% | runtime.callers (inline) ----------------------------------------------------------+------------- 0.31s 100% | git.x2esr.x2eht/~sircmpwn/aerc/widgets.Terminal.styleFromCell 0 0% 99.87% 0.31s 1.33% | github.x2ecom/ddevault/go-libvterm.ScreenCell.Attrs )
* terminal: Add support for Shift+TabAlexey Yerin2021-02-071-0/+1
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* add italics supporty0ast2020-12-241-0/+3
| | | | | | Fixes: https://todo.sr.ht/~sircmpwn/aerc2/416 Co-authored-by: JD <john1doe@ya.ru>
* update tcell to v2 and enable TrueColor supporty0ast2020-12-181-3/+3
| | | | | | | | | 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.
* Use stdout as controlling terminalGuillaume J. Charmes2020-05-061-1/+2
| | | | | | | Soves an issue with go1.15 not letting ctty be a parent. See https://github.com/creack/pty/pull/97 for more details. Signed-off-by: Guillaume J. Charmes <git+guillaume@charmes.net>
* Revert "Dont detach process under vterm"Drew DeVault2020-05-061-1/+1
| | | | This reverts commit d07cf6c667a0d497c67196fca9967db71c1e02f6.
* Dont detach process under vtermGuillaume J. Charmes2020-05-061-1/+1
| | | | Signed-off-by: Guillaume J. Charmes <git+guillaume@charmes.net>
* fix function keys in terminal widgetJonathan Halmen2020-03-261-1/+1
| | | | off-by-one error
* Switch back to upstream pty libraryBen Fiedler2020-01-161-1/+1
| | | | | The relevant change was merged upstream, and thus allows us to clean up unneeded forks.
* widgets/terminal: Reap more zombiesKevin Kuehler2019-11-211-0/+1
| | | | | | | The editor and pager were not properly being reaped, causing resource leakage whenever a user replies to a message. Signed-off-by: Kevin Kuehler <keur@xcf.berkeley.edu>
* Add MouseableJeffas2019-09-111-0/+14
| | | | | | | | | | | | | | | | | | | | | | This adds the Mouseable interface. When this is implemented for a component that item can accept and process mouseevents. At the top level when a mouse event is received it is passed to the grid's handler and then it trickles down until it reaches a component that can actually handle it, such as the tablist, dirlist or msglist. A mouse event is passed so that components can handle other things such as scrolling with the mousewheel. The components themselves then perform the necessary actions. Clicking emails in the messagelist opens them in a new tab. Textinputs can be clicked to position the cursor inside them. Mouseevents are not forwarded to the terminal at the moment. Elements which do not handle mouse events are not required to implement the Mouseable interface.
* Prevent drawing terminal with nil cmdDrew DeVault2019-08-121-1/+1
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* Don't initialize an invalid pty sizeDrew DeVault2019-07-131-0/+3
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* Use forked version of tcellDrew DeVault2019-06-011-1/+1
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* widgets/terminal: Don't segfault on resizeKevin Kuehler2019-06-011-10/+15
| | | | | | | vterm.Write and vterm.SetSize race when the window resizes, which causing the underlying library to segfault. Signed-off-by: Kevin Kuehler <keur@ocf.berkeley.edu>
* Update terminal color handling per vterm changesDrew DeVault2019-05-261-43/+22
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