From 9282e3afc2bcfbc2fe905a62ba5e03f7f019f46f Mon Sep 17 00:00:00 2001 From: blendoit Date: Tue, 3 Sep 2019 19:31:14 -0700 Subject: remove personal files --- elpa/transient-20190831.802/transient.info | 2384 ---------------------------- 1 file changed, 2384 deletions(-) delete mode 100644 elpa/transient-20190831.802/transient.info (limited to 'elpa/transient-20190831.802/transient.info') diff --git a/elpa/transient-20190831.802/transient.info b/elpa/transient-20190831.802/transient.info deleted file mode 100644 index a9b4714..0000000 --- a/elpa/transient-20190831.802/transient.info +++ /dev/null @@ -1,2384 +0,0 @@ -This is transient.info, produced by makeinfo version 6.5 from -transient.texi. - - Copyright (C) 2018-2019 Jonas Bernoulli - - You can redistribute this document and/or modify it under the terms - of the GNU General Public License as published by the Free Software - Foundation, either version 3 of the License, or (at your option) - any later version. - - This document is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - General Public License for more details. - -INFO-DIR-SECTION Emacs -START-INFO-DIR-ENTRY -* Transient: (transient). Transient Commands. -END-INFO-DIR-ENTRY - - -File: transient.info, Node: Top, Next: Introduction, Up: (dir) - -Transient User and Developer Manual -*********************************** - -Taking inspiration from prefix keys and prefix arguments, Transient -implements a similar abstraction involving a prefix command, infix -arguments and suffix commands. We could call this abstraction a -"transient command", but because it always involves at least two -commands (a prefix and a suffix) we prefer to call it just a -"transient". - - When the user calls a transient prefix command, then a transient -(temporary) keymap is activated, which binds the transient’s infix and -suffix commands, and functions that control the transient state are -added to ‘pre-command-hook’ and ‘post-command-hook’. The available -suffix and infix commands and their state are shown in a popup buffer -until the transient is exited by invoking a suffix command. - - Calling an infix command causes its value to be changed, possibly by -reading a new value in the minibuffer. - - Calling a suffix command usually causes the transient to be exited -but suffix commands can also be configured to not exit the transient. - -This manual is for Transient version 0.1.0 (v0.1.0-103-g68f31ed+1). - - Copyright (C) 2018-2019 Jonas Bernoulli - - You can redistribute this document and/or modify it under the terms - of the GNU General Public License as published by the Free Software - Foundation, either version 3 of the License, or (at your option) - any later version. - - This document is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - General Public License for more details. - -* Menu: - -* Introduction:: -* Usage:: -* Other Options:: -* Modifying Existing Transients:: -* Defining New Commands:: -* Classes and Methods:: -* Related Abstractions and Packages:: -* FAQ:: -* Keystroke Index:: -* Command Index:: -* Function Index:: -* Variable Index:: - -— The Detailed Node Listing — - -Usage - -* Invoking Transients:: -* Aborting and Resuming Transients:: -* Common Suffix Commands:: -* Saving Values:: -* Using History:: -* Getting Help for Suffix Commands:: -* Enabling and Disabling Suffixes:: -* Other Commands:: - -Defining New Commands - -* Defining Transients:: -* Binding Suffix and Infix Commands:: -* Defining Suffix and Infix Commands:: -* Using Infix Arguments:: -* Transient State:: - -Binding Suffix and Infix Commands - -* Group Specifications:: -* Suffix Specifications:: - - -Classes and Methods - -* Group Classes:: -* Group Methods:: -* Prefix Classes:: -* Suffix Classes:: -* Suffix Methods:: -* Prefix Slots:: -* Suffix Slots:: -* Predicate Slots:: - -Suffix Methods - -* Suffix Value Methods:: -* Suffix Format Methods:: - - -Related Abstractions and Packages - -* Comparison With Prefix Keys and Prefix Arguments:: -* Comparison With Other Packages:: - - - -File: transient.info, Node: Introduction, Next: Usage, Prev: Top, Up: Top - -1 Introduction -************** - -Taking inspiration from prefix keys and prefix arguments, Transient -implements a similar abstraction involving a prefix command, infix -arguments and suffix commands. We could call this abstraction a -"transient command", but because it always involves at least two -commands (a prefix and a suffix) we prefer to call it just a -"transient". - - Transient keymaps are a feature provided by Emacs. Transients as - implemented by this package involve the use of transient keymaps. - - Emacs provides a feature that it calls "prefix commands". When we - talk about "prefix commands" in this manual, then we mean our own - kind of "prefix commands", unless specified otherwise. To avoid - ambiguity we sometimes use the terms "transient prefix command" for - our kind and "regular prefix command" for Emacs’ kind. - - When the user calls a transient prefix command, then a transient -(temporary) keymap is activated, which binds the transient’s infix and -suffix commands, and functions that control the transient state are -added to ‘pre-command-hook’ and ‘post-command-hook’. The available -suffix and infix commands and their state are shown in a popup buffer -until the transient state is exited by invoking a suffix command. - - Calling an infix command causes its value to be changed. How that is -done depends on the type of the infix command. The simplest case is an -infix command that represents a command-line argument that does not take -a value. Invoking such an infix command causes the switch to be toggled -on or off. More complex infix commands may read a value from the user, -using the minibuffer. - - Calling a suffix command usually causes the transient to be exited; -the transient keymaps and hook functions are removed, the popup buffer -no longer shows information about the (no longer bound) suffix commands, -the values of some public global variables are set, while some internal -global variables are unset, and finally the command is actually called. -Suffix commands can also be configured to not exit the transient. - - A suffix command can, but does not have to, use the infix arguments -in much the same way it can choose to use or ignore the prefix -arguments. For a suffix command that was invoked from a transient the -variable ‘current-transient-suffixes’ and the function ‘transient-args’ -serve about the same purpose as the variables ‘prefix-arg’ and -‘current-prefix-arg’ do for any command that was called after the prefix -arguments have been set using a command such as ‘universal-argument’. - - The information shown in the popup buffer while a transient is active -looks a bit like this: - - ,----------------------------------------- - |Arguments - | -f Force (--force) - | -a Annotate (--annotate) - | - |Create - | t tag - | r telease - `----------------------------------------- - - This is a simplified version of ‘magit-tag’. Info manuals do not - support images or colored text, so the above "screenshot" lacks - some information; in practice you would be able to tell whether the - arguments ‘--force’ and ‘--annotate’ are enabled or not based on - their color. - - Transient can be used to implement simple "command dispatchers". The -main benefit then is that the user can see all the available commands in -a popup buffer. That is useful by itself because it frees the user from -having to remember all the keys that are valid after a certain prefix -key or command. Magit’s ‘magit-dispatch’ command is an example of using -Transient to merely implement a command dispatcher. - - In addition to that, Transient also allows users to interactively -pass arguments to commands. These arguments can be much more complex -than what is reasonable when using prefix arguments. There is a limit -to how many aspects of a command can be controlled using prefix -arguments. Furthermore what a certain prefix argument means for -different commands can be completely different, and users have to read -documentation to learn and then commit to memory what a certain prefix -argument means to a certain command. - - Transient suffix commands on the other hand can accept dozens of -different arguments without the user having to remember anything. When -using Transient, then one can call a command with arguments that are -just as complex as when calling the same function non-interactively -using code. - - Invoking a transient command with arguments is similar to invoking a -command in a shell with command-line completion and history enabled. -One benefit of the Transient interface is that it remembers history not -only on a global level ("this command was invoked using these arguments -and previously it was invoked using those other arguments"), but also -remembers the values of individual arguments independently. See *note -Using History::. - - After a transient prefix command is invoked ‘C-h ’ can be used -to show the documentation for the infix or suffix command that ‘’ -is bound to (see *note Getting Help for Suffix Commands::) and infixes -and suffixes can be removed from the transient using ‘C-x l ’. -Infixes and suffixes that are disabled by default can be enabled the -same way. See *note Enabling and Disabling Suffixes::. - - Transient ships with support for a few different types of specialized -infix commands. A command that sets a command line option for example -has different needs than a command that merely toggles a boolean flag. -Additionally Transient provides abstractions for defining new types, -which the author of Transient did not anticipate (or didn’t get around -to implementing yet). - - -File: transient.info, Node: Usage, Next: Other Options, Prev: Introduction, Up: Top - -2 Usage -******* - -* Menu: - -* Invoking Transients:: -* Aborting and Resuming Transients:: -* Common Suffix Commands:: -* Saving Values:: -* Using History:: -* Getting Help for Suffix Commands:: -* Enabling and Disabling Suffixes:: -* Other Commands:: - - -File: transient.info, Node: Invoking Transients, Next: Aborting and Resuming Transients, Up: Usage - -2.1 Invoking Transients -======================= - -A transient prefix command is invoked like any other command by pressing -the key that is bound to that command. The main difference to other -commands is that a transient prefix command activates a transient -keymap, which temporarily binds the transient’s infix and suffix -commands. Bindings from other keymaps may, or may not, be disabled -while the transient state is in effect. - - There are two kinds of commands that are available after invoking a -transient prefix command; infix and suffix commands. Infix commands set -some value (which is then shown in a popup buffer), without leaving the -transient. Suffix commands on the other hand usually quit the transient -and they may use the values set by the infix commands, i.e. the infix -*arguments*. - - Instead of setting arguments to be used by a suffix command, infix -commands may also set some value by side-effect. - - -File: transient.info, Node: Aborting and Resuming Transients, Next: Common Suffix Commands, Prev: Invoking Transients, Up: Usage - -2.2 Aborting and Resuming Transients -==================================== - -To quit the transient without invoking a suffix command press ‘C-g’. - - Key bindings in transient keymaps may be longer than a single event. -After pressing a valid prefix key, all commands whose bindings do not -begin with that prefix key are temporarily unavailable and grayed out. -To abort the prefix key press ‘C-g’ (which in this case only quits the -prefix key, but not the complete transient). - - A transient prefix command can be bound as a suffix of another -transient. Invoking such a suffix replaces the current transient state -with a new transient state, i.e. the available bindings change and the -information displayed in the popup buffer is updated accordingly. -Pressing ‘C-g’ while a nested transient is active only quits the -innermost transient, causing a return to the previous transient. - - ‘C-q’ or ‘C-z’ on the other hand always exits all transients. If you -use the latter, then you can later resume the stack of transients using -‘M-x transient-resume’. - -‘C-g’ (‘transient-quit-seq’) -‘C-g’ (‘transient-quit-one’) - - This key quits the currently active incomplete key sequence, if - any, or else the current transient. When quitting the current - transient, then it returns to the previous transient, if any. - - Transient’s predecessor bound ‘q’ instead of ‘C-g’ to the quit -command. To learn how to get that binding back see -‘transient-bind-q-to-quit’’s doc string. - -‘C-q’ (‘transient-quit-all’) - - This command quits the currently active incomplete key sequence, if - any, and all transients, including the active transient and all - suspended transients, if any. - -‘C-z’ (‘transient-suspend’) - - Like ‘transient-quit-all’, this command quits an incomplete key - sequence, if any, and all transients. Additionally it saves the - stack of transients so that it can easily be resumed (which is - particularly useful if you quickly need to do "something else" and - the stack is deeper than a single transient and/or you have already - changed the values of some infix arguments). - - Note that only a single stack of transients can be saved at a time. - If another stack is already saved, then saving a new stack discards - the previous stack. - -‘M-x transient-resume’ (‘transient-resume’) - - This command resumes the previously suspended stack of transients, - if any. - - -File: transient.info, Node: Common Suffix Commands, Next: Saving Values, Prev: Aborting and Resuming Transients, Up: Usage - -2.3 Common Suffix Commands -========================== - -A few shared suffix commands are available in all transients. These -suffix commands are not shown in the popup buffer by default. - - Most of these commands are bound to ‘C-x ’ and after pressing -‘C-x’ a section featuring all common commands is temporarily shown in -the popup buffer. After invoking one of these commands, that section -disappears again. Note however that one of these commands is described -as "Show common permanently"; invoke that if you want the common -commands to always be shown for all transients. - -‘C-x t’ (‘transient-toggle-common’) - - This command toggles whether the generic commands that are common - to all transients are always displayed or only after typing the - incomplete prefix key sequence ‘C-x’. This only affects the - current Emacs session. - - -- User Option: transient-show-common-commands - - This option controls whether shared suffix commands are shown - alongside the transient-specific infix and suffix commands. By - default the shared commands are not shown to avoid overwhelming the - user with to many options. - - While a transient is active, pressing ‘C-x’ always shows the common - command. The value of this option can be changed for the current - Emacs session by typing ‘C-x t’ while a transient is active. - - The other common commands are described in either the previous node -or in one of the following nodes. - - Some of Transient’s key bindings differ from the respective bindings -of Magit-Popup; see *note FAQ:: for more information. - - -File: transient.info, Node: Saving Values, Next: Using History, Prev: Common Suffix Commands, Up: Usage - -2.4 Saving Values -================= - -After setting the infix arguments in a transient, the user can save -those arguments for future invocations. - - Most transients will start out with the saved arguments when they are -invoked. There are a few exceptions though. Some transients are -designed so that the value that they use is stored externally as the -buffer-local value of some variable. Invoking such a transient again -uses the buffer-local value. (1) - - If the user does not save the value and just exits using a regular -suffix command, then the value is merely saved to the transient’s -history. That value won’t be used when the transient is next invoked -but it is easily accessible (see *note Using History::). - -‘C-x s’ (‘transient-set’) - - This command saves the value of the active transient for this Emacs - session. - -‘C-x C-s’ (‘transient-save’) - - Save the value of the active transient persistently across Emacs - sessions. - - -- User Option: transient-values-file - - This file is used to persist the values of transients between Emacs - sessions. - - ---------- Footnotes ---------- - - (1) ‘magit-diff’ and ‘magit-log’ are two prominent examples, and -their handling of buffer-local values is actually a bit more complicated -than outlined above and even customizable. This is something I am -rethinking, but I don’t want to rush any changes.) - - -File: transient.info, Node: Using History, Next: Getting Help for Suffix Commands, Prev: Saving Values, Up: Usage - -2.5 Using History -================= - -Every time the user invokes a suffix command the transient’s current -value is saved to its history. These values can be cycled through the -same way one can cycle through the history of commands that read -user-input in the minibuffer. - -‘M-p’ (‘transient-history-prev’) - - This command switches to the previous value used for the active - transient. - -‘M-n’ (‘transient-history-next’) - - This command switches to the next value used for the active - transient. - - In addition to the transient-wide history, Transient of course -supports per-infix history. When an infix reads user-input using the -minibuffer, then the user can use the regular minibuffer history -commands to cycle through previously used values. Usually the same keys -as those mentioned above are bound to those commands. - - Authors of transients should arrange for different infix commands -that read the same kind of value to also use the same history key (see -*note Suffix Slots::). - - Both kinds of history are saved to a file when Emacs is exited. - - -- User Option: transient-history-file - - This file is used to persist the history of transients and their - infixes between Emacs sessions. - - -- User Option: transient-history-limit - - This option controls how many history elements are kept at the time - the history is saved in ‘transient-history-file’. - - -File: transient.info, Node: Getting Help for Suffix Commands, Next: Enabling and Disabling Suffixes, Prev: Using History, Up: Usage - -2.6 Getting Help for Suffix Commands -==================================== - -Transients can have many suffixes and infixes that the user might not be -familiar with. To make it trivial to get help for these, Transient -provides access to the documentation directly from the active transient. - -‘C-h’ (‘transient-help’) - - This command enters help mode. When help mode is active, then - typing ‘’ shows information about the suffix command that - ‘’ normally is bound to (instead of invoking it). Pressing - ‘C-h’ a second time shows information about the _prefix_ command. - - After typing ‘’ the stack of transient states is suspended and - information about the suffix command is shown instead. Typing ‘q’ - in the help buffer buries that buffer and resumes the transient - state. - - What sort of documentation is shown depends on how the transient was -defined. For infix commands that represent command-line arguments this -ideally shows the appropriate manpage. ‘transient-help’ then tries to -jump to the correct location within that. Info manuals are also -supported. The fallback is to show the command’s doc string, for -non-infix suffixes this is usually appropriate. - - -File: transient.info, Node: Enabling and Disabling Suffixes, Next: Other Commands, Prev: Getting Help for Suffix Commands, Up: Usage - -2.7 Enabling and Disabling Suffixes -=================================== - -The user base of a package that uses transients can be very diverse. -This is certainly the case for Magit; some users have been using it and -Git for a decade, while others are just getting started now. - - For that reason a mechanism is needed that authors can use to -classify a transient’s infixes and suffixes along the -essentials...everything spectrum. We use the term "levels" to describe -that mechanism. - - Each suffix command is placed on a level and each transient has a -level (called transient-level), which controls which suffix commands are -available. Integers between 1 and 7 (inclusive) are valid levels. For -suffixes, 0 is also valid; it means that the suffix is not displayed at -any level. - - The levels of individual transients and/or their individual suffixes -can be changed interactively, by invoking the transient and then -pressing ‘C-x l’ to enter the "edit" mode, see below. - - The default level for both transients and their suffixes is 4. The -‘transient-default-level’ option only controls the default for -transients. The default suffix level is always 4. The authors of -transients should place certain suffixes on a higher level, if they -expect that it won’t be of use to most users, and they should place very -important suffixes on a lower level, so that they remain available even -if the user lowers the transient level. - - (Magit currently places nearly all suffixes on level 4 and lower -levels are not used at all yet. So for the time being you should not -set a lower default level and using a higher level might not give you as -many additional suffixes as you hoped.) - - -- User Option: transient-default-level - - This option controls which suffix levels are made available by - default. It sets the transient-level for transients for which the - user has not set that individually. - - -- User Option: transient-levels-file - - This file is used to persist the levels of transients and their - suffixes between Emacs sessions. - -‘C-x l’ (‘transient-set-level’) - - This command enters edit mode. When edit mode is active, then all - infixes and suffixes that are currently usable are displayed along - with their levels. The colors of the levels indicate whether they - are enabled or not. The level of the transient is also displayed - along with some usage information. - - In edit mode, pressing the key that would usually invoke a certain - suffix instead prompts the user for the level that suffix should be - placed on. - - Help mode is available in edit mode. - - To change the transient level press ‘C-x l’ again. - - To exit edit mode press ‘C-g’. - - Note that edit mode does not display any suffixes that are not - currently usable. ‘magit-rebase’ for example shows different - suffixes depending on whether a rebase is already in progress or - not. The predicates also apply in edit mode. - - Therefore, to control which suffixes are available given a certain - state, you have to make sure that that state is currently active. - - -File: transient.info, Node: Other Commands, Prev: Enabling and Disabling Suffixes, Up: Usage - -2.8 Other Commands -================== - -When invoking a transient in a small frame, the transient window may not -show the complete buffer, making it necessary to scroll, using the -following commands. These commands are never shown in the transient -window, and the key bindings are the same as for ‘scroll-up-command’ and -‘scroll-down-command’ in other buffers. - - -- Command: transient-scroll-up arg - - This command scrolls text of transient popup window upward ARG - lines. If ARG is ‘nil’, then it scrolls near full screen. This is - a wrapper around ‘scroll-up-command’ (which see). - - -- Command: transient-scroll-down arg - - This command scrolls text of transient popup window down ARG lines. - If ARG is ‘nil’, then it scrolls near full screen. This is a - wrapper around ‘scroll-down-command’ (which see). - - -File: transient.info, Node: Other Options, Next: Modifying Existing Transients, Prev: Usage, Up: Top - -3 Other Options -*************** - - -- User Option: transient-show-popup - - This option controls whether the current transient’s infix and - suffix commands are shown in the popup buffer. - - • If ‘t’ (the default) then the popup buffer is shown as soon as - a transient prefix command is invoked. - - • If ‘nil’, then the popup buffer is not shown unless the user - explicitly requests it, by pressing an incomplete prefix key - sequence. - - • If a number, then the a brief one-line summary is shown - instead of the popup buffer. If zero or negative, then not - even that summary is shown; only the pressed key itself is - shown. - - The popup is shown when the user explicitly requests it by - pressing an incomplete prefix key sequence. Unless this is - zero, then the popup is shown after that many seconds of - inactivity (using the absolute value). - - -- User Option: transient-enable-popup-navigation - - This option controls whether navigation commands are enabled in the - transient popup. - - While a transient is active the transient popup buffer is not the - current buffer, making it necesary to use dedicated commands to act - on that buffer itself. This is disabled by default. If this - option is non-nil, then the following features are available: - - • ‘’ moves the cursor to the previous suffix. ‘’ - moves the cursor to the next suffix. ‘RET’ invokes the suffix - the cursor is on. - - • ‘’ invokes the clicked on suffix. - - • ‘C-s’ and ‘C-r’ start isearch in the popup buffer. - - -- User Option: transient-display-buffer-action - - This option specifies the action used to display the transient - popup buffer. The transient popup buffer is displayed in a window - using ‘(display-buffer buf transient-display-buffer-action)’. - - The value of this option has the form ‘(FUNCTION . ALIST)’, where - FUNCTION is a function or a list of functions. Each such function - should accept two arguments: a buffer to display and an alist of - the same form as ALIST. See *note (elisp)Choosing Window::. - - The default is ‘(display-buffer-in-side-window (side . bottom))’. - This displays the window at the bottom of the selected frame. - Another useful value is ‘(display-buffer-below-selected)’. This is - what ‘magit-popup’ used by default. For more alternatives see - *note (elisp)Display Action Functions::. - - It may be possible to display the window in another frame, but - whether that works in practice depends on the window-manager. If - the window manager selects the new window (Emacs frame), then it - doesn’t work. - - If you change the value of this option, then you might also want to - change the value of ‘transient-mode-line-format’. - - -- User Option: transient-mode-line-format - - This option controls whether the transient popup buffer has a - mode-line, separator line, or neither. - - If ‘nil’, then the buffer has no mode-line. If the buffer is not - displayed right above the echo area, then this probably is not a - good value. - - If ‘line’ (the default), then the buffer also has no mode-line, but - a thin line is drawn instead, using the background color of the - face ‘transient-separator’. - - Otherwise this can be any mode-line format. See *note (elisp)Mode - Line Format:: for details. - - -- User Option: transient-read-with-initial-input - - This option controls whether the last history element is used as - the initial minibuffer input when reading the value of an infix - argument from the user. If ‘nil’, then there is no initial input - and the first element has to be accessed the same way as the older - elements. - - -- User Option: transient-highlight-mismatched-keys - - This option controls whether key bindings of infix commands that do - not match the respective command-line argument should be - highlighted. For other infix commands this option has no effect. - - When this option is non-nil, then the key binding for an infix - argument is highlighted when only a long argument (e.g. - ‘--verbose’) is specified but no shorthand (e.g ‘-v’). In the rare - case that a shorthand is specified but the key binding does not - match, then it is highlighted differently. - - Highlighting mismatched key bindings is useful when learning the - arguments of the underlying command-line tool; you wouldn’t want to - learn any short-hands that do not actually exist. - - The highlighting is done using one of the faces - ‘transient-mismatched-key’ and ‘transient-nonstandard-key’. - - -- User Option: transient-substitute-key-function - - This function is used to modify key bindings. If the value of this - option is nil (the default), then no substitution is performed. - - This function is called with one argument, the prefix object, and - must return a key binding description, either the existing key - description it finds in the ‘key’ slot, or key description that - replaces the prefix key. It could be used to make other - substitutions, but that is discouraged. - - For example, ‘=’ is hard to reach using my custom keyboard layout, - so I substitute ‘(’ for that, which is easy to reach using a layout - optimized for lisp. - - (setq transient-substitute-key-function - (lambda (obj) - (let ((key (oref obj key))) - (if (string-match "\\`\\(=\\)[a-zA-Z]" key) - (replace-match "(" t t key 1) - key)))) - - -- User Option: transient-detect-key-conflicts - - This option controls whether key binding conflicts should be - detected at the time the transient is invoked. If so, then this - results in an error, which prevents the transient from being used. - Because of that, conflicts are ignored by default. - - Conflicts cannot be determined earlier, i.e. when the transient is - being defined and when new suffixes are being added, because at - that time there can be false-positives. It is actually valid for - multiple suffixes to share a common key binding, provided the - predicates of those suffixes prevent that more than one of them is - enabled at a time. - - -File: transient.info, Node: Modifying Existing Transients, Next: Defining New Commands, Prev: Other Options, Up: Top - -4 Modifying Existing Transients -******************************* - -To an extent transients can be customized interactively, see *note -Enabling and Disabling Suffixes::. This section explains how existing -transients can be further modified non-interactively. - - The following functions share a few arguments: - - • PREFIX is a transient prefix command, a symbol. - - • SUFFIX is a transient infix or suffix specification in the same - form as expected by ‘define-transient-command’. Note that an infix - is a special kind of suffix. Depending on context "suffixes" means - "suffixes (including infixes)" or "non-infix suffixes". Here it - means the former. See *note Suffix Specifications::. - - SUFFIX may also be a group in the same form as expected by - ‘define-transient-command’. See *note Group Specifications::. - - • LOC is a command, a key vector, a key description (a string as - returned by ‘key-description’), or a list specifying coordinates - (the last element may also be a command or key). For example ‘(1 0 - -1)’ identifies the last suffix (‘-1’) of the first subgroup (‘0’) - of the second group (‘1’). - - If LOC is a list of coordinates, then it can be used to identify a - group, not just an individual suffix command. - - The function ‘transient-get-suffix’ can be useful to determine - whether a certain coordination list identifies the suffix or group - that you expect it to identify. In hairy cases it may be necessary - to look at the definition of the transient prefix command. - - These functions operate on the information stored in the -‘transient--layout’ property of the PREFIX symbol. Suffix entries in -that tree are not objects but have the form ‘(LEVEL CLASS PLIST)’, where -plist should set at least ‘:key’, ‘:description’ and ‘:command’. - - -- Function: transient-insert-suffix prefix loc suffix - - This function inserts suffix or group SUFFIX into PREFIX before - LOC. - - -- Function: transient-append-suffix prefix loc suffix - - This function inserts suffix or group SUFFIX into PREFIX after LOC. - - -- Function: transient-replace-suffix prefix loc suffix - - This function replaces the suffix or group at LOC in PREFIX with - suffix or group SUFFIX. - - -- Function: transient-remove-suffix prefix loc - - This function removes the suffix or group at LOC in PREFIX. - - -- Function: transient-get-suffix prefix loc - - This function returns the suffix or group at LOC in PREFIX. The - returned value has the form mentioned above. - - -- Function: transient-suffix-put prefix loc prop value - - This function edits the suffix or group at LOC in PREFIX, by - setting the PROP of its plist to VALUE. - - Most of these functions do not signal an error if they cannot perform -the requested modification. The functions that insert new suffixes show -a warning if LOC cannot be found in PREFIX, without signaling an error. -The reason for doing it like this is that establishing a key binding -(and that is what we essentially are trying to do here) should not -prevent the rest of the configuration from loading. Among these -functions only ‘transient-get-suffix’ and ‘transient-suffix-put’ may -signal an error. - - -File: transient.info, Node: Defining New Commands, Next: Classes and Methods, Prev: Modifying Existing Transients, Up: Top - -5 Defining New Commands -*********************** - -* Menu: - -* Defining Transients:: -* Binding Suffix and Infix Commands:: -* Defining Suffix and Infix Commands:: -* Using Infix Arguments:: -* Transient State:: - - -File: transient.info, Node: Defining Transients, Next: Binding Suffix and Infix Commands, Up: Defining New Commands - -5.1 Defining Transients -======================= - -A transient consists of a prefix command and at least one suffix -command, though usually a transient has several infix and suffix -commands. The below macro defines the transient prefix command *and* -binds the transient’s infix and suffix commands. In other words, it -defines the complete transient, not just the transient prefix command -that is used to invoke that transient. - - -- Macro: define-transient-command name arglist [docstring] [keyword - value]... group... [body...] - - This macro defines NAME as a transient prefix command and binds the - transient’s infix and suffix commands. - - ARGLIST are the arguments that the prefix command takes. DOCSTRING - is the documentation string and is optional. - - These arguments can optionally be followed by keyword-value pairs. - Each key has to be a keyword symbol, either ‘:class’ or a keyword - argument supported by the constructor of that class. The - ‘transient-prefix’ class is used if the class is not specified - explicitly. - - GROUPs add key bindings for infix and suffix commands and specify - how these bindings are presented in the popup buffer. At least one - GROUP has to be specified. See *note Binding Suffix and Infix - Commands::. - - The BODY is optional. If it is omitted, then ARGLIST is ignored - and the function definition becomes: - - (lambda () - (interactive) - (transient-setup 'NAME)) - - If BODY is specified, then it must begin with an ‘interactive’ form - that matches ARGLIST, and it must call ‘transient-setup’. It may - however call that function only when some condition is satisfied. - - All transients have a (possibly ‘nil’) value, which is exported - when suffix commands are called, so that they can consume that - value. For some transients it might be necessary to have a sort of - secondary value, called a "scope". Such a scope would usually be - set in the command’s ‘interactive’ form and has to be passed to the - setup function: - - (transient-setup 'NAME nil nil :scope SCOPE) - - For example, the scope of the ‘magit-branch-configure’ transient is - the branch whose variables are being configured. - - -File: transient.info, Node: Binding Suffix and Infix Commands, Next: Defining Suffix and Infix Commands, Prev: Defining Transients, Up: Defining New Commands - -5.2 Binding Suffix and Infix Commands -===================================== - -The macro ‘define-transient-command’ is used to define a transient. -This defines the actual transient prefix command (see *note Defining -Transients::) and adds the transient’s infix and suffix bindings, as -described below. - - Users and third-party packages can add additional bindings using -functions such as ‘transient-insert-suffix’ (See *note Modifying -Existing Transients::). These functions take a "suffix specification" -as one of their arguments, which has the same form as the specifications -used in ‘define-transient-command’. - -* Menu: - -* Group Specifications:: -* Suffix Specifications:: - - -File: transient.info, Node: Group Specifications, Next: Suffix Specifications, Up: Binding Suffix and Infix Commands - -5.2.1 Group Specifications --------------------------- - -The suffix and infix commands of a transient are organized in groups. -The grouping controls how the descriptions of the suffixes are outlined -visually but also makes it possible to set certain properties for a set -of suffixes. - - Several group classes exist, some of which organize suffixes in -subgroups. In most cases the class does not have to be specified -explicitly, but see *note Group Classes::. - - Groups are specified in the call to ‘define-transient-command’, using -vectors. Because groups are represented using vectors, we cannot use -square brackets to indicate an optional element and instead use curly -brackets to do the latter. - - Group specifications then have this form: - - [{LEVEL} {DESCRIPTION} {KEYWORD VALUE}... ELEMENT...] - - The LEVEL is optional and defaults to 4. See *note Enabling and -Disabling Suffixes::. - - The DESCRIPTION is optional. If present it is used as the heading of -the group. - - The KEYWORD-VALUE pairs are optional. Each keyword has to be a -keyword symbol, either ‘:class’ or a keyword argument supported by the -constructor of that class. - - • One of these keywords, ‘:description’, is equivalent to specifying - DESCRIPTION at the very beginning of the vector. The - recommendation is to use ‘:description’ if some other keyword is - also used, for consistency, or DESCRIPTION otherwise, because it - looks better. - - • Likewise ‘:level’ is equivalent to LEVEL. - - • Other important keywords include the ‘:if...’ keywords. These - keywords control whether the group is available in a certain - situation. - - For example, one group of the ‘magit-rebase’ transient uses ‘:if - magit-rebase-in-progress-p’, which contains the suffixes that are - useful while rebase is already in progress; and another that uses - ‘:if-not magit-rebase-in-progress-p’, which contains the suffixes - that initiate a rebase. - - These predicates can also be used on individual suffixes and are - only documented once, see *note Predicate Slots::. - - • Finally the value of ‘:hide’, if non-nil, is a predicate that - controls whether the group is hidden by default. The key bindings - for suffixes of a hidden group should all use the same prefix key. - Pressing that prefix key should temporarily show the group and its - suffixes, which assumes that a predicate like this is used: - - (lambda () - (eq (car transient--redisplay-key) - ?\C-c)) ; the prefix key shared by all bindings - - The ELEMENTs are either all subgroups (vectors), or all suffixes -(lists) and strings. (At least currently no group type exists that -would allow mixing subgroups with commands at the same level, though in -principle there is nothing that prevents that.) - - If the ELEMENTs are not subgroups, then they can be a mixture of -lists that specify commands and strings. Strings are inserted verbatim. -The empty string can be used to insert gaps between suffixes, which is -particularly useful if the suffixes are outlined as a table. - - The form of suffix specifications is documented in the next node. - - -File: transient.info, Node: Suffix Specifications, Prev: Group Specifications, Up: Binding Suffix and Infix Commands - -5.2.2 Suffix Specifications ---------------------------- - -A transient’s suffix and infix commands are bound when the transient -prefix command is defined using ‘define-transient-command’, see *note -Defining Transients::. The commands are organized into groups, see -*note Group Specifications::. Here we describe the form used to bind an -individual suffix command. - - The same form is also used when later binding additional commands -using functions such as ‘transient-insert-suffix’, see *note Modifying -Existing Transients::. - - Note that an infix is a special kind of suffix. Depending on context -"suffixes" means "suffixes (including infixes)" or "non-infix suffixes". -Here it means the former. - - Suffix specifications have this form: - - ([LEVEL] [KEY] [DESCRIPTION] COMMAND|ARGUMENT [KEYWORD VALUE]...) - - LEVEL, KEY and DESCRIPTION can also be specified using the KEYWORDs -‘:level’, ‘:key’ and ‘:description’. If the object that is associated -with COMMAND sets these properties, then they do not have to be -specified here. You can however specify them here anyway, possibly -overriding the object’s values just for the binding inside this -transient. - - • LEVEL is the suffix level, an integer between 1 and 7. See *note - Enabling and Disabling Suffixes::. - - • KEY is the key binding, either a vector or key description string. - - • DESCRIPTION is the description, either a string or a function that - returns a string. The function should be a lambda expression to - avoid ambiguity. In some cases a symbol that is bound as a - function would also work but to be safe you should use - ‘:description’ in that case. - - The next element is either a command or an argument. This is the -only argument that is mandatory in all cases. - - • COMMAND is a symbol that is bound as a function, which has to be a - command. Any command will do; it does not need to have an object - associated with it (as would be the case if ‘define-suffix-command’ - or ‘define-infix-command’ were used to define it). - - As mentioned above, the object that is associated with a command - can be used to set the default for certain values that otherwise - have to be set in the suffix specification. Therefore if there is - no object, then you have to make sure to specify the KEY and the - DESCRIPTION. - - • The mandatory argument can also be a command-line argument, a - string. In that case an anonymous command is defined and bound. - - Instead of a string, this can also be a list of two strings, in - which case the first string is used as the short argument (which - can also be specified using ‘:shortarg’) and the second as the long - argument (which can also be specified using ‘:argument’). - - Only the long argument is displayed in the popup buffer. See - ‘transient-detect-key-conflicts’ for how the short argument may be - used. - - Unless the class is specified explicitly, the appropriate class is - guessed based on the long argument. If the argument ends with "=​" - (e.g. "–format=") then ‘transient-option’ is used, otherwise - ‘transient-switch’. - - Finally, details can be specified using optional KEYWORD-VALUE pairs. -Each keyword has to be a keyword symbol, either ‘:class’ or a keyword -argument supported by the constructor of that class. See *note Suffix -Slots::. - - -File: transient.info, Node: Defining Suffix and Infix Commands, Next: Using Infix Arguments, Prev: Binding Suffix and Infix Commands, Up: Defining New Commands - -5.3 Defining Suffix and Infix Commands -====================================== - -Note that an infix is a special kind of suffix. Depending on context -"suffixes" means "suffixes (including infixes)" or "non-infix suffixes". - - -- Macro: define-suffix-command name arglist [docstring] [keyword - value]... body... - - This macro defines NAME as a transient suffix command. - - ARGLIST are the arguments that the command takes. DOCSTRING is the - documentation string and is optional. - - These arguments can optionally be followed by keyword-value pairs. - Each keyword has to be a keyword symbol, either ‘:class’ or a - keyword argument supported by the constructor of that class. The - ‘transient-suffix’ class is used if the class is not specified - explicitly. - - The BODY must begin with an ‘interactive’ form that matches - ARGLIST. Use the function ‘transient-args’ or the low-level - variable ‘current-transient-suffixes’ if the former does not give - you all the required details. This should, but does not - necessarily have to be, done inside the ‘interactive’ form; just - like for ‘prefix-arg’ and ‘current-prefix-arg’. - - -- Macro: define-infix-command name arglist [docstring] [keyword - value]... - - This macro defines NAME as a transient infix command. - - ARGLIST is always ignored (but mandatory never-the-less) and - reserved for future use. DOCSTRING is the documentation string and - is optional. - - The keyword-value pairs are mandatory. All transient infix - commands are ‘equal’ to each other (but not ‘eq’), so it is - meaningless to define an infix command without also setting at - least ‘:class’ and one other keyword (which it is depends on the - used class, usually ‘:argument’ or ‘:variable’). - - Each keyword has to be a keyword symbol, either ‘:class’ or a - keyword argument supported by the constructor of that class. The - ‘transient-switch’ class is used if the class is not specified - explicitly. - - The function definition is always: - - (lambda () - (interactive) - (let ((obj (transient-suffix-object))) - (transient-infix-set obj (transient-infix-read obj))) - (transient--show)) - - ‘transient-infix-read’ and ‘transient-infix-set’ are generic - functions. Different infix commands behave differently because the - concrete methods are different for different infix command classes. - In rare cases the above command function might not be suitable, - even if you define your own infix command class. In that case you - have to use ‘transient-suffix-command’ to define the infix command - and use ‘t’ as the value of the ‘:transient’ keyword. - - -- Macro: define-infix-argument name arglist [docstring] [keyword - value]... - - This macro defines NAME as a transient infix command. - - It is an alias for ‘define-infix-command’. Only use this alias to - define an infix command that actually sets an infix argument. To - define an infix command that, for example, sets a variable, use - ‘define-infix-command’ instead. - - -File: transient.info, Node: Using Infix Arguments, Next: Transient State, Prev: Defining Suffix and Infix Commands, Up: Defining New Commands - -5.4 Using Infix Arguments -========================= - -The function and the variables described below allow suffix commands to -access the value of the transient from which they were invoked; which is -the value of its infix arguments. These variables are set when the user -invokes a suffix command that exits the transient, but before actually -calling the command. - - When returning to the command-loop after calling the suffix command, -the arguments are reset to ‘nil’ (which causes the function to return -‘nil’ too). - - Like for Emacs’ prefix arguments it is advisable, but not mandatory, -to access the infix arguments inside the command’s ‘interactive’ form. -The preferred way of doing that is to call the ‘transient-args’ -function, which for infix arguments serves about the same purpose as -‘prefix-arg’ serves for prefix arguments. - - -- Function: transient-args &optional prefix - - This function returns the value of the transient prefix command - PREFIX. - - If the current command was invoked from the transient prefix - command PREFIX, then it returns the active infix arguments. If the - current command was not invoked from PREFIX, then it returns the - set, saved or default value for PREFIX. - - -- Variable: current-transient-suffixes - - The suffixes of the transient from which this suffix command was - invoked. This is a list of objects. Usually it is sufficient to - instead use the function ‘transient-args’, which returns a list of - values. In complex cases it might be necessary to use this - variable instead, i.e. if you need access to information beside - the value. - - -- Variable: current-transient-prefix - - The transient from which this suffix command was invoked. The - returned value is a ‘transient-prefix’ object, which holds - information associated with the transient prefix command. - - -- Variable: current-transient-command - - The transient from which this suffix command was invoked. The - returned value is a symbol, the transient prefix command. - - -File: transient.info, Node: Transient State, Prev: Using Infix Arguments, Up: Defining New Commands - -5.5 Transient State -=================== - -Invoking a transient prefix command "activates" the respective -transient, i.e. it puts a transient keymap into effect, which binds the -transient’s infix and suffix commands. - - The default behavior while a transient is active is as follows: - - • Invoking an infix command does not affect the transient state; the - transient remains active. - - • Invoking a (non-infix) suffix command "deactivates" the transient - state by removing the transient keymap and performing some - additional cleanup. - - • Invoking a command that is bound in a keymap other than the - transient keymap is disallowed and trying to do so results in a - warning. This does not "deactivate" the transient. - - But these are just the defaults. Whether a certain command -deactivates or "exits" the transient is configurable. There is more -than one way in which a command can be "transient" or "non-transient"; -the exact behavior is implemented by calling a so-called "pre-command" -function. Whether non-suffix commands are allowed to be called is -configurable per transient. - - • The transient-ness of suffix commands (including infix commands) is - controlled by the value of their ‘transient’ slot, which can be set - either when defining the command or when adding a binding to a - transient while defining the respective transient prefix command. - - Valid values are booleans and the pre-commands described below. - - • ‘t’ is equivalent to ‘transient--do-stay’. - - • ‘nil’ is equivalent to ‘transient--do-exit’. - - • If ‘transient’ is unbound (and that is actually the default - for non-infix suffixes) then the value of the prefix’s - ‘transient-suffix’ slot is used instead. The default value of - that slot is ‘nil’, so the suffix’s ‘transient’ slot being - unbound is essentially equivalent to it being ‘nil’. - - • A suffix command can be a prefix command itself, i.e. a - "sub-prefix". While a sub-prefix is active we nearly always want - ‘C-g’ to take the user back to the "super-prefix". However in rare - cases this may not be desirable, and that makes the following - complication necessary: - - For ‘transient-suffix’ objects the ‘transient’ slot is unbound. We - can ignore that for the most part because, as stated above, ‘nil’ - and the slot being unbound are equivalent, and mean "do exit". - That isn’t actually true for suffixes that are sub-prefixes though. - For such suffixes unbound means "do exit but allow going back", - which is the default, while ‘nil’ means "do exit permanently", - which requires that slot to be explicitly set to that value. - - • The transient-ness of certain built-in suffix commands is specified - using ‘transient-predicate-map’. This is a special keymap, which - binds commands to pre-commands (as opposed to keys to commands) and - takes precedence over the ‘transient’ slot. - - The available pre-command functions are documented below. They are -called by ‘transient--pre-command’, a function on ‘pre-command-hook’ and -the value that they return determines whether the transient is exited. -To do so the value of one of the constants ‘transient--exit’ or -‘transient--stay’ is used (that way we don’t have to remember if ‘t’ -means "exit" or "stay"). - - Additionally these functions may change the value of ‘this-command’ -(which explains why they have to be called using ‘pre-command-hook’), -call ‘transient-export’, ‘transient--stack-zap’ or -‘transient--stack-push’; and set the values of ‘transient--exitp’, -‘transient--helpp’ or ‘transient--editp’. - -5.5.1 Pre-commands for Infixes ------------------------------- - -The default for infixes is ‘transient--do-stay’. This is also the only -function that makes sense for infixes. - - -- Function: transient--do-stay - - Call the command without exporting variables and stay transient. - -5.5.2 Pre-commands for Suffixes -------------------------------- - -The default for suffixes is ‘transient--do-exit’. - - -- Function: transient--do-exit - - Call the command after exporting variables and exit the transient. - - -- Function: transient--do-call - - Call the command after exporting variables and stay transient. - - -- Function: transient--do-replace - - Call the transient prefix command, replacing the active transient. - - This is used for suffixes that are prefixes themselves, i.e. for - sub-prefixes. - -5.5.3 Pre-commands for Non-Suffixes ------------------------------------ - -The default for non-suffixes, i.e commands that are bound in other -keymaps beside the transient keymap, is ‘transient--do-warn’. Silently -ignoring the user-error is also an option, though probably not a good -one. - - If you want to let the user invoke non-suffix commands, then use -‘transient--do-stay’ as the value of the prefix’s ‘transient-non-suffix’ -slot. - - -- Function: transient--do-warn - - Call ‘transient-undefined’ and stay transient. - - -- Function: transient--do-noop - - Call ‘transient-noop’ and stay transient. - -5.5.4 Special Pre-Commands --------------------------- - - -- Function: transient--do-quit-one - - If active, quit help or edit mode, else exit the active transient. - - This is used when the user pressed ‘C-g’. - - -- Function: transient--do-quit-all - - Exit all transients without saving the transient stack. - - This is used when the user pressed ‘C-q’. - - -- Function: transient--do-suspend - - Suspend the active transient, saving the transient stack. - - This is used when the user pressed ‘C-z’. - - -File: transient.info, Node: Classes and Methods, Next: Related Abstractions and Packages, Prev: Defining New Commands, Up: Top - -6 Classes and Methods -********************* - -Transient uses classes and generic functions to make it possible to -define new types of suffix commands that are similar to existing types, -but behave differently in some aspects. It does the same for groups and -prefix commands, though at least for prefix commands that *currently* -appears to be less important. - - Every prefix, infix and suffix command is associated with an object, -which holds information that controls certain aspects of its behavior. -This happens in two ways. - - • Associating a command with a certain class gives the command a - type. This makes it possible to use generic functions to do - certain things that have to be done differently depending on what - type of command it acts on. - - That in turn makes it possible for third-parties to add new types - without having to convince the maintainer of Transient that that - new type is important enough to justify adding a special case to a - dozen or so functions. - - • Associating a command with an object makes it possible to easily - store information that is specific to that particular command. - - Two commands may have the same type, but obviously their key - bindings and descriptions still have to be different, for example. - - The values of some slots are functions. The ‘reader’ slot for - example holds a function that is used to read a new value for an - infix command. The values of such slots are regular functions. - - Generic functions are used when a function should do something - different based on the type of the command, i.e. when all commands - of a certain type should behave the same way but different from the - behavior for other types. Object slots that hold a regular - function as value are used when the task that they perform is - likely to differ even between different commands of the same type. - -* Menu: - -* Group Classes:: -* Group Methods:: -* Prefix Classes:: -* Suffix Classes:: -* Suffix Methods:: -* Prefix Slots:: -* Suffix Slots:: -* Predicate Slots:: - - -File: transient.info, Node: Group Classes, Next: Group Methods, Up: Classes and Methods - -6.1 Group Classes -================= - -The type of a group can be specified using the ‘:class’ property at the -beginning of the class specification, e.g. ‘[:class transient-columns -...]’ in a call to ‘define-transient-command’. - - • The abstract ‘transient-child’ class is the base class of both - ‘transient-group’ (and therefore all groups) as well as of - ‘transient-suffix’ (and therefore all suffix and infix commands). - - This class exists because the elements (aka "children") of certain - groups can be other groups instead of suffix and infix commands. - - • The abstract ‘transient-group’ class is the superclass of all other - group classes. - - • The ‘transient-column’ class is the simplest group. - - This is the default "flat" group. If the class is not specified - explicitly and the first element is not a vector (i.e. not a - group), then this class is used. - - This class displays each element on a separate line. - - • The ‘transient-row’ class displays all elements on a single line. - - • The ‘transient-columns’ class displays commands organized in - columns. - - Direct elements have to be groups whose elements have to be - commands or strings. Each subgroup represents a column. This - class takes care of inserting the subgroups’ elements. - - This is the default "nested" group. If the class is not specified - explicitly and the first element is a vector (i.e. a group), then - this class is used. - - • The ‘transient-subgroups’ class wraps other groups. - - Direct elements have to be groups whose elements have to be - commands or strings. This group inserts an empty line between - subgroups. The subgroups themselves are responsible for displaying - their elements. - - -File: transient.info, Node: Group Methods, Next: Prefix Classes, Prev: Group Classes, Up: Classes and Methods - -6.2 Group Methods -================= - - -- Function: transient--insert-group group - - This generic function formats the group and its elements and - inserts the result into the current buffer, which is a temporary - buffer. The contents of that buffer are later inserted into the - popup buffer. - - Functions that are called by this function may need to operate in - the buffer from which the transient was called. To do so they can - temporally make the ‘transient--source-buffer’ the current buffer. - - -File: transient.info, Node: Prefix Classes, Next: Suffix Classes, Prev: Group Methods, Up: Classes and Methods - -6.3 Prefix Classes -================== - -Currently the ‘transient-prefix’ class is being used for all prefix -commands and there is only a single generic function that can be -specialized based on the class of a prefix command. - - -- Function: transient--history-init obj - - This generic function is called while setting up the transient and - is responsible for initializing the ‘history’ slot. This is the - transient-wide history; many individual infixes also have a history - of their own. - - The default (and currently only) method extracts the value from the - global variable ‘transient-history’. - - A transient prefix command’s object is stored in the -‘transient--prefix’ property of the command symbol. While a transient -is active, a clone of that object is stored in the variable -‘transient--prefix’. A clone is used because some changes that are made -to the active transient’s object should not affect later invocations. - - -File: transient.info, Node: Suffix Classes, Next: Suffix Methods, Prev: Prefix Classes, Up: Classes and Methods - -6.4 Suffix Classes -================== - - • All suffix and infix classes derive from ‘transient-suffix’, which - in turn derives from ‘transient-child’, from which - ‘transient-group’ also derives (see *note Group Classes::). - - • All infix classes derive from the abstract ‘transient-infix’ class, - which in turn derives from the ‘transient-suffix’ class. - - Infixes are a special type of suffixes. The primary difference is - that infixes always use the ‘transient--do-stay’ pre-command, while - non-infix suffixes use a variety of pre-commands (see *note - Transient State::). Doing that is most easily achieved by using - this class, though theoretically it would be possible to define an - infix class that does not do so. If you do that then you get to - implement many methods. - - Also, infixes and non-infix suffixes are usually defined using - different macros (see *note Defining Suffix and Infix Commands::). - - • Classes used for infix commands that represent arguments should be - derived from the abstract ‘transient-argument’ class. - - • The ‘transient-switch’ class (or a derived class) is used for infix - arguments that represent command-line switches (arguments that do - not take a value). - - • The ‘transient-option’ class (or a derived class) is used for infix - arguments that represent command-line options (arguments that do - take a value). - - • The ‘transient-switches’ class can be used for a set of mutually - exclusive command-line switches. - - • The ‘transient-files’ class can be used for a "–" argument that - indicates that all remaining arguments are files. - - • Classes used for infix commands that represent variables should - derived from the abstract ‘transient-variables’ class. - - Magit defines additional classes, which can serve as examples for the -fancy things you can do without modifying Transient. Some of these -classes will likely get generalized and added to Transient. For now -they are very much subject to change and not documented. - - -File: transient.info, Node: Suffix Methods, Next: Prefix Slots, Prev: Suffix Classes, Up: Classes and Methods - -6.5 Suffix Methods -================== - -To get information about the methods implementing these generic -functions use ‘describe-function’. - -* Menu: - -* Suffix Value Methods:: -* Suffix Format Methods:: - - -File: transient.info, Node: Suffix Value Methods, Next: Suffix Format Methods, Up: Suffix Methods - -6.5.1 Suffix Value Methods --------------------------- - - -- Function: transient-init-value obj - - This generic function sets the initial value of the object OBJ. - - This function is called for all suffix commands, but unless a - concrete method is implemented this falls through to the default - implementation, which is a noop. In other words this usually only - does something for infix commands, but note that this is not - implemented for the abstract class ‘transient-infix’, so if your - class derives from that directly, then you must implement a method. - - -- Function: transient-infix-read obj - - This generic function determines the new value of the infix object - OBJ. - - This function merely determines the value; ‘transient-infix-set’ is - used to actually store the new value in the object. - - For most infix classes this is done by reading a value from the - user using the reader specified by the ‘reader’ slot (using the - ‘transient-infix-value’ method described below). - - For some infix classes the value is changed without reading - anything in the minibuffer, i.e. the mere act of invoking the - infix command determines what the new value should be, based on the - previous value. - - -- Function: transient-prompt obj - - This generic function returns the prompt to be used to read infix - object OBJ’s value. - - -- Function: transient-infix-set obj value - - This generic function sets the value of infix object OBJ to VALUE. - - -- Function: transient-infix-value obj - - This generic function returns the value of the suffix object OBJ. - - This function is called by ‘transient-args’ (which see), meaning - this function is how the value of a transient is determined so that - the invoked suffix command can use it. - - Currently most values are strings, but that is not set in stone. - ‘nil’ is not a value, it means "no value". - - Usually only infixes have a value, but see the method for - ‘transient-suffix’. - - -- Function: transient-init-scope obj - - This generic function sets the scope of the suffix object OBJ. - - The scope is actually a property of the transient prefix, not of - individual suffixes. However it is possible to invoke a suffix - command directly instead of from a transient. In that case, if the - suffix expects a scope, then it has to determine that itself and - store it in its ‘scope’ slot. - - This function is called for all suffix commands, but unless a - concrete method is implemented this falls through to the default - implementation, which is a noop. - - -File: transient.info, Node: Suffix Format Methods, Prev: Suffix Value Methods, Up: Suffix Methods - -6.5.2 Suffix Format Methods ---------------------------- - - -- Function: transient-format obj - - This generic function formats and returns OBJ for display. - - When this function is called, then the current buffer is some - temporary buffer. If you need the buffer from which the prefix - command was invoked to be current, then do so by temporarily making - ‘transient--source-buffer’ current. - - -- Function: transient-format-key obj - - This generic function formats OBJ’s ‘key’ for display and returns - the result. - - -- Function: transient-format-description obj - - This generic function formats OBJ’s ‘description’ for display and - returns the result. - - -- Function: transient-format-value obj - - This generic function formats OBJ’s value for display and returns - the result. - - -- Function: transient-show-help obj - - Show help for the prefix, infix or suffix command represented by - OBJ. - - For prefixes, show the info manual, if that is specified using the - ‘info-manual’ slot. Otherwise show the manpage if that is - specified using the ‘man-page’ slot. Otherwise show the command’s - doc string. - - For suffixes, show the command’s doc string. - - For infixes, show the manpage if that is specified. Otherwise show - the command’s doc string. - - -File: transient.info, Node: Prefix Slots, Next: Suffix Slots, Prev: Suffix Methods, Up: Classes and Methods - -6.6 *TODO* Prefix Slots -======================= - - -File: transient.info, Node: Suffix Slots, Next: Predicate Slots, Prev: Prefix Slots, Up: Classes and Methods - -6.7 Suffix Slots -================ - -Here we document most of the slots that are only available for suffix -objects. Some slots are shared by suffix and group objects, they are -documented in *note Predicate Slots::. - - Also see *note Suffix Classes::. - -6.7.1 Slots of ‘transient-suffix’ ---------------------------------- - - • ‘key’ The key, a key vector or a key description string. - - • ‘command’ The command, a symbol. - - • ‘transient’ Whether to stay transient. See *note Transient - State::. - - • ‘format’ The format used to display the suffix in the popup buffer. - It must contain the following %-placeholders: - - • ‘%k’ For the key. - - • ‘%d’ For the description. - - • ‘%v’ For the infix value. Non-infix suffixes don’t have a - value. - - • ‘description’ The description, either a string or a function that - is called with no argument and returns a string. - -6.7.2 Slots of ‘transient-infix’ --------------------------------- - -Some of these slots are only meaningful for some of the subclasses. -They are defined here anyway to allow sharing certain methods. - - • ‘argument’ The long argument, e.g. ‘--verbose’. - - • ‘shortarg’ The short argument, e.g. ‘-v’. - - • ‘multi-value’ For options, whether the option can have multiple - values. If non-nil, then default to use - ‘completing-read-multiple’. - - • ‘allow-empty’ For options, whether the empty string is a valid - value. - - • ‘history-key’ The key used to store the history. This defaults to - the command name. This is useful when multiple infixes should - share the same history because their values are of the same kind. - - • ‘reader’ The function used to read the value of an infix. Not used - for switches. The function takes three arguments, PROMPT, - INITIAL-INPUT and HISTORY, and must return a string. - - • ‘prompt’ The prompt used when reading the value, either a string or - a function that takes the object as the only argument and which - returns a prompt string. - - • ‘choices’ A list of valid values. How exactly that is used depends - on the class of the object. - -6.7.3 Slots of ‘transient-variable’ ------------------------------------ - - • ‘variable’ The variable. - -6.7.4 Slots of ‘transient-switches’ ------------------------------------ - - • ‘argument-format’ The display format. Must contain ‘%s’, one of - the ‘choices’ is substituted for that. E.g. ‘--%s-order’. - - • ‘argument-regexp’ The regexp used to match any one of the switches. - E.g. ‘\\(--\\(topo\\|author-date\\|date\\)-order\\)’. - - -File: transient.info, Node: Predicate Slots, Prev: Suffix Slots, Up: Classes and Methods - -6.8 Predicate Slots -=================== - -Suffix and group objects share some predicate slots that control whether -a group or suffix should be available depending on some state. Only one -of these slots can be used at the same time. It is undefined what -happens if you use more than one. - - • ‘if’ Enable if predicate returns non-nil. - - • ‘if-not’ Enable if predicate returns nil. - - • ‘if-non-nil’ Enable if variable’s value is non-nil. - - • ‘if-nil’ Enable if variable’s value is nil. - - • ‘if-mode’ Enable if major-mode matches value. - - • ‘if-not-mode’ Enable if major-mode does not match value. - - • ‘if-derived’ Enable if major-mode derives from value. - - • ‘if-not-derived’ Enable if major-mode does not derive from value. - - One more slot is shared between group and suffix classes, ‘level’. -Like the slots documented above, it is a predicate, but it is used for a -different purpose. The value has to be an integer between 1 and 7. -‘level’ controls whether a suffix or a group should be available -depending on user preference. See *note Enabling and Disabling -Suffixes::. - - -File: transient.info, Node: Related Abstractions and Packages, Next: FAQ, Prev: Classes and Methods, Up: Top - -7 Related Abstractions and Packages -*********************************** - -* Menu: - -* Comparison With Prefix Keys and Prefix Arguments:: -* Comparison With Other Packages:: - - -File: transient.info, Node: Comparison With Prefix Keys and Prefix Arguments, Next: Comparison With Other Packages, Up: Related Abstractions and Packages - -7.1 Comparison With Prefix Keys and Prefix Arguments -==================================================== - -While transient commands were inspired by regular prefix keys and prefix -arguments, they are also quite different and much more complex. - - The following diagrams illustrate some of the differences. - - • ‘(c)’ represents a return to the command loop. - - • ‘(+)’ represents the user’s choice to press one key or another. - - • ‘{WORD}’ are possible behaviors. - - • ‘{NUMBER}’ is a footnote. - -7.1.1 Regular Prefix Commands ------------------------------ - -See *note (elisp)Prefix Keys::. - - ,--> command1 --> (c) - | - (c)-(+)-> prefix command or key --+--> command2 --> (c) - | - `--> command3 --> (c) - -7.1.2 Regular Prefix Arguments ------------------------------- - -See *note (elisp)Prefix Command Arguments::. - - ,----------------------------------, - | | - v | - (c)-(+)---> prefix argument command --(c)-(+)-> any command --> (c) - | ^ | - | | | - `-- sets or changes --, ,-- maybe used --' | - | | | - v | | - prefix argument state | - ^ | - | | - `-------- discards --------' - -7.1.3 Transients ----------------- - -(∩｀-´)⊃━☆ﾟ.*･｡ﾟ - - This diagram ignores the infix value and external state: - - (c) - | ,- {stay} ------<-,-<------------<-,-<---, - (+) | | | | - | | | | | - | | ,--> infix1 --| | | - | | | | | | - | | |--> infix2 --| | | - v v | | | | - prefix -(c)-(+)-> infix3 --' ^ | - | | | - |---------------> suffix1 -->--| | - | | | - |---------------> suffix2 ----{1}------> {exit} --> (c) - | | - |---------------> suffix3 -------------> {exit} --> (c) - | | - `--> any command --{2}-> {warn} -->--| - | | - |--> {noop} -->--| - | | - |--> {call} -->--' - | - `------------------> {exit} --> (c) - - This diagram takes the infix value into account to an extend, while -still ignoring external state: - - (c) - | ,- {stay} ------<-,-<------------<-,-<---, - (+) | | | | - | | | | | - | | ,--> infix1 --| | | - | | | | | | | - | | ,--> infix2 --| | | - v v | | | | | - prefix -(c)-(+)-> infix3 --' | | - | | ^ | - | | | | - |---------------> suffix1 -->--| | - | | ^ | | - | | | | | - |---------------> suffix2 ----{1}------> {exit} --> (c) - | | ^ | | - | | | | v - | | | | | - |---------------> suffix3 -------------> {exit} --> (c) - | | ^ | | - | sets | | v - | | maybe | | - | | used | | - | | | | | - | | infix --' | | - | `---> value | | - | ^ | | - | | | | - | hides | | - | | | | - | `--------------------------<---| - | | | - `--> any command --{2}-> {warn} -->--| | - | | | - |--> {noop} -->--| | - | | | - |--> {call} -->--' ^ - | | - `------------------> {exit} --> (c) - - This diagram provides more information about the infix value and also -takes external state into account. - - ,----sets--- "anything" - | - v - ,---------> external - | state - | | | - | initialized | ☉‿⚆ - sets from | - | | maybe - | ,----------' used - | | | - (c) | | v - | ,- {stay} --|---<-,-<------|-----<-,-<---, - (+) | | | | | | | - | | | v | | | | - | | ,--> infix1 --| | | | - | | | | | | | | | - | | | | v | | | | - | | ,--> infix2 --| | | | - | | | | ^ | | | | - v v | | | | | | | - prefix -(c)-(+)-> infix3 --' | | | - | | ^ | ^ | - | | | v | | - |---------------> suffix1 -->--| | - | | | ^ | | | - | | | | v | | - |---------------> suffix2 ----{1}------> {exit} --> (c) - | | | ^ | | | - | | | | | | v - | | | | v | | - |---------------> suffix3 -------------> {exit} --> (c) - | | | ^ | | - | sets | | | v - | | initalized maybe | | - | | from used | | - | | | | | | - | | `-- infix --' | | - | `---> value -----------------------------> persistent - | ^ ^ | | across - | | | | | invocations -, - | hides | | | | - | | `----------------------------------------------' - | | | | - | `--------------------------<---| - | | | - `--> any command --{2}-> {warn} -->--| | - | | | - |--> {noop} -->--| | - | | | - |--> {call} -->--' ^ - | | - `------------------> {exit} --> (c) - - • ‘{1}’ Transients can be configured to be exited when a suffix - command is invoked. The default is to do so for all suffixes - except for those that are common to all transients and which are - used to perform tasks such as providing help and saving the value - of the infix arguments for future invocations. The behavior can - also be specified for individual suffix commands and may even - depend on state. - - • ‘{2}’ Transients can be configured to allow the user to invoke - non-suffix commands. The default is to not allow that and instead - warn the user. - - Despite already being rather complex, even the last diagram leaves -out many details. Most importantly it implies that the decision whether -to remain transient is made later than it actually is made (for the most -part a function on ‘pre-command-hook’ is responsible). But such -implementation details are of little relevance to users and are covered -elsewhere. - - -File: transient.info, Node: Comparison With Other Packages, Prev: Comparison With Prefix Keys and Prefix Arguments, Up: Related Abstractions and Packages - -7.2 Comparison With Other Packages -================================== - -7.2.1 Magit-Popup ------------------ - -Transient is the successor to Magit-Popup (see *note -(magit-popup)Top::). - - One major difference between these two implementations of the same -ideas is that while Transient uses transient keymaps and embraces the -command-loop, Magit-Popup implemented an inferior mechanism that does -not use transient keymaps and that instead of using the command-loop -implements a naive alternative based on ‘read-char’. - - Magit-Popup does not use classes and generic functions and defining a -new command type is near impossible as it involves adding hard-coded -special-cases to many functions. Because of that only a single new type -was added, which was not already part of Magit-Popup’s initial release. - - A lot of things are hard-coded in Magit-Popup. One random example is -that the key bindings for switches must begin with "-" and those for -options must begin with "=". - -7.2.2 Hydra ------------ - -Hydra (see ) is another package that -provides features similar to those of Transient. - - Both packages use transient keymaps to make a set of commands -temporarily available and show the available commands in a popup buffer. - - A Hydra "body" is equivalent to a Transient "prefix" and a Hydra -"head" is equivalent to a Transient "suffix". Hydra has no equivalent -of a Transient "infix". - - Both hydras and transients can be used as simple command dispatchers. -Used like this they are similar to regular prefix commands and prefix -keys, except that the available commands are shown in the popup buffer. - - (Another package that does this is ‘which-key’. It does so -automatically for any incomplete key sequence. The advantage of that -approach is that no additional work is necessary; the disadvantage is -that the available commands are not organized semantically.) - - Both Hydra and Transient provide features that go beyond simple -command dispatchers: - - • Invoking a command from a hydra does not necessarily exit the - hydra. That makes it possible to invoke the same command again, - but using a shorter key sequence (i.e. the key that was used to - enter the hydra does not have to be pressed again). - - Transient supports that too, but for now this feature is not a - focus and the interface is a bit more complicated. A very basic - example using the current interface: - - (define-transient-command outline-navigate () - :transient-suffix 'transient--do-stay - :transient-non-suffix 'transient--do-warn - [("p" "previous visible heading" outline-previous-visible-heading) - ("n" "next visible heading" outline-next-visible-heading)]) - - • Transient supports infix arguments; values that are set by infix - commands and then consumed by the invoked suffix command(s). - - To my knowledge, Hydra does not support that. - - Both packages make it possible to specify how exactly the available -commands are outlined: - - • With Hydra this is often done using an explicit format string, - which gives authors a lot of flexibility and makes it possible to - do fancy things. - - The downside of this is that it becomes harder for a user to add - additional commands to an existing hydra and to change key - bindings. - - • Transient allows the author of a transient to organize the commands - into groups and the use of generic functions allows authors of - transients to control exactly how a certain command type is - displayed. - - However while Transient supports giving sections a heading it does - not currently support giving the displayed information more - structure by, for example, using box-drawing characters. - - That could be implemented by defining a new group class, which lets - the author specify a format string. It should be possible to - implement that without modifying any existing code, but it does not - currently exist. - - -File: transient.info, Node: FAQ, Next: Keystroke Index, Prev: Related Abstractions and Packages, Up: Top - -Appendix A FAQ -************** - -A.1 Can I control how the popup buffer is displayed? -==================================================== - -Yes, see ‘transient-display-buffer-action’ in *note Other Options::. - -A.2 Why did some of the key bindings change? -============================================ - -You may have noticed that the bindings for some of the common commands -do *not* have the prefix ‘C-x’ and that furthermore some of these -commands are grayed out while others are not. That unfortunately is a -bit confusing if the section of common commands is not shown -permanently, making the following explanation necessary. - - The purpose of usually hiding that section but showing it after the -user pressed the respective prefix key is to conserve space and not -overwhelm users with too much noise, while allowing the user to quickly -list common bindings on demand. - - That however should not keep us from using the best possible key -bindings. The bindings that do use a prefix do so to avoid wasting too -many non-prefix bindings, keeping them available for use in individual -transients. The bindings that do not use a prefix and that are *not* -grayed out are very important bindings that are *always* available, even -when invoking the "common command key prefix" or *any other* -transient-specific prefix. The non-prefix keys that *are* grayed out -however, are not available when any incomplete prefix key sequence is -active. They do not use the "common command key prefix" because it is -likely that users want to invoke them several times in a row and e.g. -‘M-p M-p M-p’ is much more convenient than ‘C-x M-p C-x M-p C-x M-p’. - - You may also have noticed that the "Set" command is bound to ‘C-x s’, -while Magit-Popup used to bind ‘C-c C-c’ instead. I have seen several -users praise the latter binding (sic), so I did not change it -willy-nilly. The reason that I changed it is that using different -prefix keys for different common commands, would have made the temporary -display of the common commands even more confusing, i.e. after pressing -‘C-c’ all the ‘C-x ...’ bindings would be grayed out. - - Using a single prefix for common commands key means that all other -potential prefix keys can be used for transient-specific commands -*without* the section of common commands also popping up. ‘C-c’ in -particular is a prefix that I want to (and already do) use for Magit, -and also using that for a common command would prevent me from doing so. - - (Also see the next question.) - -A.3 Why does ‘q’ not quit popups anymore? -========================================= - -I agree that ‘q’ is a good binding for commands that quit something. -This includes quitting whatever transient is currently active, but it -also includes quitting whatever it is that some specific transient is -controlling. The transient ‘magit-blame’ for example binds ‘q’ to the -command that turns ‘magit-blame-mode’ off. - - So I had to decide if ‘q’ should quit the active transient (like -Magit-Popup used to) or whether ‘C-g’ should do that instead, so that -‘q’ could be bound in individual transient to whatever commands make -sense for them. Because all other letters are already reserved for use -by individual transients, I have decided to no longer make an exception -for ‘q’. - - If you want to get ‘q’’s old binding back then you can do so. Doing -that is a bit more complicated than changing a single key binding, so I -have implemented a function, ‘transient-bind-q-to-quit’ that makes the -necessary changes. See its doc string for more information. - - -File: transient.info, Node: Keystroke Index, Next: Command Index, Prev: FAQ, Up: Top - -Appendix B Keystroke Index -************************** - -[index] -* Menu: - -* C-g: Aborting and Resuming Transients. - (line 25) -* C-g <1>: Aborting and Resuming Transients. - (line 26) -* C-h: Getting Help for Suffix Commands. - (line 10) -* C-q: Aborting and Resuming Transients. - (line 36) -* C-x C-s: Saving Values. (line 25) -* C-x l: Enabling and Disabling Suffixes. - (line 49) -* C-x s: Saving Values. (line 20) -* C-x t: Common Suffix Commands. - (line 16) -* C-z: Aborting and Resuming Transients. - (line 42) -* M-n: Using History. (line 16) -* M-p: Using History. (line 11) -* M-x transient-resume: Aborting and Resuming Transients. - (line 55) - - -File: transient.info, Node: Command Index, Next: Function Index, Prev: Keystroke Index, Up: Top - -Appendix C Command Index -************************ - -[index] -* Menu: - -* transient-help: Getting Help for Suffix Commands. - (line 10) -* transient-history-next: Using History. (line 16) -* transient-history-prev: Using History. (line 11) -* transient-quit-all: Aborting and Resuming Transients. - (line 36) -* transient-quit-one: Aborting and Resuming Transients. - (line 26) -* transient-quit-seq: Aborting and Resuming Transients. - (line 25) -* transient-resume: Aborting and Resuming Transients. - (line 55) -* transient-save: Saving Values. (line 25) -* transient-scroll-down arg: Other Commands. (line 18) -* transient-scroll-up arg: Other Commands. (line 12) -* transient-set: Saving Values. (line 20) -* transient-set-level: Enabling and Disabling Suffixes. - (line 49) -* transient-suspend: Aborting and Resuming Transients. - (line 42) -* transient-toggle-common: Common Suffix Commands. - (line 16) - - -File: transient.info, Node: Function Index, Next: Variable Index, Prev: Command Index, Up: Top - -Appendix D Function Index -************************* - -[index] -* Menu: - -* define-infix-argument: Defining Suffix and Infix Commands. - (line 66) -* define-infix-command: Defining Suffix and Infix Commands. - (line 30) -* define-suffix-command: Defining Suffix and Infix Commands. - (line 9) -* define-transient-command: Defining Transients. (line 13) -* transient--do-call: Transient State. (line 98) -* transient--do-exit: Transient State. (line 94) -* transient--do-noop: Transient State. (line 125) -* transient--do-quit-all: Transient State. (line 138) -* transient--do-quit-one: Transient State. (line 132) -* transient--do-replace: Transient State. (line 102) -* transient--do-stay: Transient State. (line 85) -* transient--do-suspend: Transient State. (line 144) -* transient--do-warn: Transient State. (line 121) -* transient--history-init: Prefix Classes. (line 10) -* transient--insert-group: Group Methods. (line 6) -* transient-append-suffix: Modifying Existing Transients. - (line 47) -* transient-args: Using Infix Arguments. - (line 22) -* transient-format: Suffix Format Methods. - (line 6) -* transient-format-description: Suffix Format Methods. - (line 20) -* transient-format-key: Suffix Format Methods. - (line 15) -* transient-format-value: Suffix Format Methods. - (line 25) -* transient-get-suffix: Modifying Existing Transients. - (line 60) -* transient-infix-read: Suffix Value Methods. - (line 17) -* transient-infix-set: Suffix Value Methods. - (line 39) -* transient-infix-value: Suffix Value Methods. - (line 43) -* transient-init-scope: Suffix Value Methods. - (line 57) -* transient-init-value: Suffix Value Methods. - (line 6) -* transient-insert-suffix: Modifying Existing Transients. - (line 42) -* transient-prompt: Suffix Value Methods. - (line 34) -* transient-remove-suffix: Modifying Existing Transients. - (line 56) -* transient-replace-suffix: Modifying Existing Transients. - (line 51) -* transient-scroll-down: Other Commands. (line 18) -* transient-scroll-up: Other Commands. (line 12) -* transient-show-help: Suffix Format Methods. - (line 30) -* transient-suffix-put: Modifying Existing Transients. - (line 65) - - -File: transient.info, Node: Variable Index, Prev: Function Index, Up: Top - -Appendix E Variable Index -************************* - -[index] -* Menu: - -* current-transient-command: Using Infix Arguments. - (line 47) -* current-transient-prefix: Using Infix Arguments. - (line 41) -* current-transient-suffixes: Using Infix Arguments. - (line 32) -* transient-default-level: Enabling and Disabling Suffixes. - (line 38) -* transient-detect-key-conflicts: Other Options. (line 136) -* transient-display-buffer-action: Other Options. (line 46) -* transient-enable-popup-navigation: Other Options. (line 28) -* transient-highlight-mismatched-keys: Other Options. (line 95) -* transient-history-file: Using History. (line 33) -* transient-history-limit: Using History. (line 38) -* transient-levels-file: Enabling and Disabling Suffixes. - (line 44) -* transient-mode-line-format: Other Options. (line 71) -* transient-read-with-initial-input: Other Options. (line 87) -* transient-show-common-commands: Common Suffix Commands. - (line 23) -* transient-show-popup: Other Options. (line 6) -* transient-substitute-key-function: Other Options. (line 114) -* transient-values-file: Saving Values. 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