* eat.el (eat-default-shell-function, eat-shell)
(eat-tramp-shells): New user option.
* eat.el (eat-default-shell): New function.
* eat.el (eat--1, eat): Call the function specified in
'eat-default-shell-function' to get the default shell.
* eat.texi (Changing Shell): New chapter.
* eat.el (eat--pending-input-chunks)
(eat--defer-input-processing, eat--process-input-queue-timer):
Remove.
All references updated.
* eat.el (eat--send-input): Send the input immediately.
* eat.el (eat--process-input-queue): Remove.
* eat.el (eat--eshell-process-output-queue)
(eat--process-output-queue): Loop while output queue isn't
empty, set 'eat--output-queue-first-chunk-time' to 't' in the
loop.
* eat.el (eat--filter, eat--eshell-filter): Don't start a timer
if 'eat--output-queue-first-chunk-time' is 't'.
* eat.el (eat--process-input-queue): Set
'eat--process-input-queue-timer' to 'nil'.
* eat.el (eat--auto-line-mode-pending-toggles): New variable.
* eat.el (eat--line-mode-enter-auto-1): Don't take any
argument.
* eat.el (eat--line-mode-exit-auto-1): Don't take any argument.
Don't call 'eat-line-mode'.
* eat.el (eat--line-mode-enter-auto, eat--line-mode-exit-auto):
Queue the toggle in 'eat--auto-line-mode-pending-toggles'
instead of starting a timer.
* eat.el (eat--line-mode-do-toggles): New function.
* eat.el (eat--process-output-queue): Let-bind
'eat--auto-line-mode-pending-toggles' to nil. Call
'eat--line-mode-do-toggles'.
* eat.el (eat--defer-input-processing): New variable.
* eat.el (eat-mode, eat--eshell-local-mode): Make
'eat--defer-input-processing' buffer-local.
* eat.el (eat--process-input-queue): If
'eat--defer-input-processing' is non-nil, do nothing, otherwise
bind it to non-nil while sending input.
* eat.el (eat--line-mode-enter-auto-1)
(eat--line-mode-exit-auto-1): New function.
* eat.el (eat--line-mode-enter-auto, eat--line-mode-exit-auto):
Do everything after the output is processed.
* eat.el (eat--line-mode): Set 'front-sticky' and
'rear-nonsticky' text properties to 't' when enabling mode, and
revert them when disabling.
* eat.el (eat--process-output-queue): Don't add 'front-sticky'
and 'rear-nonsticky' text properties if not in line mode.
* eat.el (eat--sentinel): Don't remove 'front-sticky' and
'rear-nonsticky' text properties, they shouldn't be in the
buffer.
* eat.el: Depend on Emacs 26.1.
* eat.el (eat--t-handle-output, eat--handle-uic)
(eat--eshell-handle-uic): Don't use '(not CHAR)' form in 'rx'
forms.
* eat.el (eat--eshell-process-output-queue): Use
'combine-change-calls' if available.
* README.org: Update to reflect support for Emacs 26.
* eat.el: Depend on Emacs 27.1. Require 'compat' and 'term'.
* eat.el (eat-term-color-*): Inherit 'term-color-*' in Emacs
27.
* eat.el (eat--t-sixel-render-bitmap): Call 'mapconcat' with
three arguments.
* eat.el (eat-yank-from-kill-ring): Signal error in Emacs 27.
* eat.el (eat--eshell-setup-proc-and-term): Don't error if
process mark is invalid.
* eat.el (eat-eshell-mode): Properly revert
'eshell-variable-aliases-list' when disabling the mode.
* eat.el (eat--trace-exec)
(eat--trace-eshell-adjust-make-process-args): Make sure
'lisp-data-mode' is defined before calling.
Also make sure the terminal passed as arguments to API
functions is live.
* eat.el (eat--t-term): Update default value of slot 'params'.
* eat.el (eat-term-p, eat-term-live-p): New function.
* eat.el (eat--t-ensure-live-term): New macro.
* eat.el (eat--t-with-env, eat-term-parameter, eat-term-size)
(eat-term-set-parameter, eat-term-cursor-type, eat-term-end)
(eat-term-beginning, eat-term-display-cursor, eat-term-title)
(eat-term-in-alternative-display-p, eat-term-input-event)
(eat-term-send-string, eat-term-send-string-as-yank): Ensure
the terminal passed as argument is live.
* eat.el (eat-term-delete): Ensure the terminal passed as
argument is live. Mark terminal as deleted.
* eat.el (eat-term-parameters): New function.
* eat.el (eat-term-set-parameter): Handle more special
parameters: 'input-function', 'ring-bell-function',
'grab-mouse-function', 'grab-focus-events-function',
'manipulate-selection-function', 'set-title-function' and
'set-cwd-function'.
* eat.el (eat-term-input-function, eat-term-ring-bell-function)
(eat-term-set-cursor-function, eat-term-grab-mouse-function)
(eat-term-grab-focus-events-function)
(eat-term-manipulate-selection-function)
(eat-term-set-title-function, eat-term-set-cwd-function):
Remove function.
* eat.el (eat-exec, eat--eshell-setup-proc-and-term)
(eat--trace-replay-eval): Update to use parameters.
* eat.el (eat--t-sixel-render-bitmap): Support conversion to
XPM format.
* eat.el (eat-sixel-render-formats): Add XPM to the default.
* eat.el (eat-term-set-parameter, eat--sixel-render-format):
Support XPM as an allowed format.
* eat.texi (Sixel): Update.
* eat.el (eat-sixel-scale, eat-sixel-aspect-ratio): New user
option.
* eat.el (eat--t-term): Remove slot 'sixel-image-height'. New
slot 'sixel-image-extra-props'.
* eat.el (eat--t-sixel-flush-line): Give more control to the UI
on the image properties.
* eat.el (eat-term-set-parameter): Don't treat parameter
'sixel-image-height' specially. Treat parameter
'sixel-image-extra-properties' specially.
* eat.el (eat--set-term-sixel-params): New function.
* eat.el (eat-exec, eat--eshell-setup-proc-and-term): Set Sixel
related terminal parameters with 'eat--set-term-sixel-params'.
* eat.texi (Sixel): Document 'eat-sixel-scale' and
'eat-sixel-aspect-ratio'.
* eat.el: Rename prompt mode to line mode, also rename related
symbols to have 'eat-line-' or 'eat--line-' prefix.
* eat.el (eat-enable-native-shell-prompt-editing): Rename to
'eat-enable-auto-line-mode'.
* eat.el (eat--line-mode-enter-auto)
(eat--line-mode-exit-auto): New function.
* eat.el (eat--post-prompt, eat--post-cont-prompt): Call
'eat--line-mode-enter-auto' to enter line mode.
* eat.el (eat--pre-cmd): Call 'eat--line-mode-exit-auto'.
* eat.el (eat--get-shell-history): Populate input ring
unconditionally.
* eat.el (eat-emacs-mode, eat-semi-char-mode, eat-char-mode):
Call 'eat--line-mode-exit' to exit line mode.
* eat.el (eat--line-mode): Move all logic to 'eat-line-mode',
'eat--line-mode-exit' and 'eat--line-mode-exit-auto'.
* eat.el (eat-line-send): Make non-interactive. Reset input
history cycling variables.
* eat.el (eat-line-send-input): New argument NO-NEWLINE.
* eat.el (eat-mode): Don't disable undo information recording.
* eat.el (eat--process-output-queue): Disable undo information
recording while process output.
* eat.texi (Line Mode): New section in chapter 'Input Modes'.
* eat.texi (Line Mode Integration): New section in chapter
'Shell Integration'.
* eat.texi (Native Shell Prompt Editing): Remove section.
* README.org (Usage): Avoid the term "keybinding mode", use
"input mode" instead as the manual uses it. Document line
mode.
* README.org (NonGNU ELPA): Emacs 28 has NonGNU ELPA enabled by
default, so remove unnecessary instructions.
* eat.el (eat-sixel-render-formats): New user option.
* eat.el (eat-eshell-fallback-if-stty-not-available): Fix
customization type.
* eat.el (eat--t-term): Rename slot 'sixel-display-method' to
'sixel-render-format'.
All callers changed.
* eat.el (eat--t-sixel-flush-line): New support render format,
'none'.
* eat.el (eat-term-set-parameter): Rename parameter
'sixel-display-method' to 'sixel-render-format'.
All callers changed.
* eat.el (eat--sixel-render-format): New function.
* eat.el (eat-exec, eat--eshell-setup-proc-and-term): Set
'sixel-render-format' according to user customization.
* eat.el (eat--inhibit-prompt-mode): New variable.
* eat.el (eat--post-prompt, eat--post-cont-prompt): Check
'eat--inhibit-prompt-mode' before switching to prompt mode.
* eat.el (eat--before-new-prompt): New function.
* eat.el (eat--handle-uic): Support "before new prompt"
sequence.
* eat.el (eat-emacs-mode, eat-semi-char-mode, eat-char-mode):
Set 'eat--inhibit-prompt-mode' to t if prompt mode is enabled.
* eat.el (eat-mode): Make 'eat--inhibit-prompt-mode'
buffer-local.
* integration/bash (__eat_prompt_command):
* integration/zsh (__eat_precmd):
Send the "before new prompt" sequence.
* eat.el (eat--get-shell-history): New argument FORMAT, pass it
to 'eat--prompt-populate-input-ring'.
* eat.el (eat--handle-uic): Accept FORMAT argument in input
history reporting sequence and pass it to
'eat--get-shell-history'.
* eat.el (eat--prompt-populate-input-ring): New argument
FORMAT. Support Zsh extended history file format.
* integration/bash (__eat_enable_integration): Send "bash" as
the history file format.
* integration/zsh (__eat_enable_integration): Send shell
history.
