Problem: Newlines intended to write messages below the cmdline or to
mark the start of a new message on message grid are emitted
through ext_messages. This results in unnecessary newlines for
a UI that has decoupled its message area from the cmdline.
msg_col is set directly in some places which is not transmitted
to msg_show events.
Various missing message kind for list commands.
Trailing newlines on various list commands.
Solution: Only emit such newlines without ext_messages enabled.
Use msg_advance() instead of setting msg_col directly.
Assign them the "list_cmd" kind.
Ensure no trailing newline is printed.
Problem: UI2 does not implement the msg_show event msg_id parameter.
Solution: Store message IDs currently shown in the cmd/msg buffers.
Set extmarks spanning the message which are used to replace
a still visible message when a new message with the same ID
is received.
Problem: Scheduled callbacks reference potentially outdated window
handles e.g. after switching tabpage.
Solution: Use ext.wins which stores the updated window handles.
Problem: There are still ways to run into textlock errors with
vim.ui_attach callbacks trying to display a UI event.
Solution: Disregard textlock again during vim.ui_attach() callbacks
(also when scheduled). Partially revert 3277dc3b; avoiding
to flush while textlock is set is still helpful.
Problem: Fast context for msg_show event inhibits vim.ui_attach from
displaying a stream of messages from a single command.
Solution: Remove fast context from msg_show events emitted as a result
of explicit API/command calls. The fast context was originally
introduced to prevent issues with internal messages.
Problem:
Trying to match the search highlight groups to the Normal highlight for
the window can fail when the message highlighting contains a fg/bg that
the Normal highlight doesn't (like an error message in cmd will have
ErrorMsg highlight instead of MsgArea - which is Normal in cmd.)
Solution:
Link the search highlight groups to an empty group in 'winhighlight'
thus disabling them instead of overriding them with Normal/MsgArea/etc.
fix(ui2): hide search highlights in msg window.
Problem: Search highlighting is shown in the msg (and dialog) window.
Solution: Hide search highlighting in all but the pager window.
Problem: Resize events during startup may clear an active external
cmdline, which is then not redrawn.
UI2 VimResized autocommand does not work.
UI2 message appearance may be altered by inherited window
options. The message separator uses the wrong fillchar.
Solution: Unset cmdline_was_last_redrawn when clearing the screen, such
that cmdline_show is re-emitted.
Ensure set_pos function is called without arguments.
Ensure such options are unset. Use 'fillchars'->msgsep.
Problem: Setting a filetype before configuring default options for ui2
buffers (pager, cmd, ...) prevents users from setting their own options.
Solution: Call nvim_set_option_value after defaults are set.
Closes#36314
Co-authored-by: Luuk van Baal <luukvbaal@gmail.com>
The vim._extui.messages module uses multiple timers that last 2 or 4
seconds. If these timers aren't finished when a test ends, there will
be a 2-second delay on exit with ASAN or TSAN.
Problem: Unable to see e.g. `inputlist()` prompts that exceed the dialog
window height.
Multi-line prompts are not handled properly, and tracking
is insufficient for messages in cmdline_block mode.
Solution: Add vim.on_key handler while the dialog window is open that
forwards paging keys to the window.
Properly render multi-line prompts. Keep track of both the start
and end of the current cmdline prompt. Append messages after the
current prompt in cmdline_block mode.
Problem: Temporary cmdline config is saved to be restored later.
Solution: Close the cmdline window so that it is recreated with the appropriate config.
Problem: Routing based on message kinds can be perceived as unpredictable.
Solution: Implement phase 1 of #34281, always showing the full message
in a window dismissed on any user input when it does not fit
in the 'cmdheight'. Also show spill "[+n]" indicator if needed.
Problem: When message is moved from message window to cmdline,
the cmdline highlighter is not disabled.
Solution: Disable the highlighter (and only scroll to bottom when
message was moved to pager).
Problem: Storing the configured 'cmdheight' value is scheduled and
may happen after cmdline2_spec already entered block_mode.
Excessive wait time for expected screen state due to delayed
ruler after an error message.
Solution: Only schedule storing the user configured 'cmdheight' if
v:vim_did_enter is unset. Use regular message instead of error.
Problem: The message window is essentially a regular floating window
but does not use 'winborder'.
Still some "scratch" buffer options unset after it was removed
from its window.
Solution: Do not set the border when opening the window message.
Forego passing `scratch = true` when opening a buffer,
set the options manually when necessary.
Co-authored-by: Luuk van Baal <luukvbaal@gmail.com>
Problem: An accidental key press can dismiss a routed message to be
shown in full before the user was able to read it.
'verbose' message routing based on an outdated condition results
in "last_set" messages being separated from its message pair.
Solution: Show a message to be shown in full in the cmdline window instead
of the pager. Keep it there and update the spill indicator when
the message is dismissed.
Remove the 'verbose' message routing.
Problem: Messages routed to the pager to be shown in full, enter the
pager automatically, yielding another "press-q-prompt".
Solution: Only enter the pager when requested explicitly. Otherwise,
close the pager on the next typed mapping, unless that mapping
entered the pager.
Problem: vim._extui unconditionally creates windows, buffers and the
Vimscript cmdline highlighter when it is first loaded.
Solution: Schedule first creation of the window so that first redraw
happens sooner (still need to create at least the cmdline
window asap as it can have a different highlight through
hl-MsgArea; thus further delaying until the first event that
needs a particular target seems redundant). Load the cmdline
highlighter on the first cmdline_show event.
Problem: ext_messages cannot tell when the screen was cleared, which is
needed to clear visible messages. An empty message is also
never emitted, but clears messages from the message grid.
Solution: Repurpose the "msg_clear" event to be emitted when the screen
was cleared. Emit an empty message with the `empty` kind to
hint to a UI to clear the cmdline area.
Problem: OptionSet autocmd emitted with invalid grids after entering
tabpage with different 'cmdheight'.
Solution: First call `tabpage_check_windows()` before changing 'cmdheight'.
Add a test that exercises the `vim._extui` cmdline.
Problem: UI buffers may be 'unmodifiable' and use a 'swapfile'.
Solution: Set the 'modifiable' and 'noswapfile' options.
Co-authored-by:phanium <91544758+phanen@users.noreply.github.com>
Problem: No ext_messages kind for the :command, :version commands.
:version is emitted as multiple events.
Solution: Assign them the "list_cmd" kind. Use `msg_put*` to properly
format the message as a single event.
