diff options
Diffstat (limited to 'third_party/exwm/exwm-input.el')
| -rw-r--r-- | third_party/exwm/exwm-input.el | 74 |
1 files changed, 49 insertions, 25 deletions
diff --git a/third_party/exwm/exwm-input.el b/third_party/exwm/exwm-input.el index 79bc78ef0f..05b021093c 100644 --- a/third_party/exwm/exwm-input.el +++ b/third_party/exwm/exwm-input.el @@ -1,6 +1,6 @@ ;;; exwm-input.el --- Input Module for EXWM -*- lexical-binding: t -*- -;; Copyright (C) 2015-2021 Free Software Foundation, Inc. +;; Copyright (C) 2015-2023 Free Software Foundation, Inc. ;; Author: Chris Feng <chris.w.feng@gmail.com> @@ -45,9 +45,9 @@ (defcustom exwm-input-prefix-keys '(?\C-x ?\C-u ?\C-h ?\M-x ?\M-` ?\M-& ?\M-:) - "List of prefix keys EXWM should forward to Emacs when in line-mode. + "List of prefix keys EXWM should forward to Emacs when in `line-mode'. -The point is to make keys like 'C-x C-f' forwarded to Emacs in line-mode. +The point is to make keys like 'C-x C-f' forwarded to Emacs in `line-mode'. There is no need to add prefix keys for global/simulation keys or those defined in `exwm-mode-map' here." :type '(repeat key-sequence) @@ -87,7 +87,7 @@ defined in `exwm-mode-map' here." value)))) (defcustom exwm-input-line-mode-passthrough nil - "Non-nil makes 'line-mode' forward all events to Emacs." + "Non-nil makes `line-mode' forward all events to Emacs." :type 'boolean) ;; Input focus update requests should be accumulated for a short time @@ -115,13 +115,13 @@ defined in `exwm-mode-map' here." (defvar exwm-input--local-simulation-keys nil "Whether simulation keys are local.") -(defvar exwm-input--simulation-keys nil "Simulation keys in line-mode.") +(defvar exwm-input--simulation-keys nil "Simulation keys in `line-mode'.") (defvar exwm-input--skip-buffer-list-update nil - "Skip the upcoming 'buffer-list-update'.") + "Skip the upcoming `buffer-list-update'.") (defvar exwm-input--temp-line-mode nil - "Non-nil indicates it's in temporary line-mode for char-mode.") + "Non-nil indicates it's in temporary line-mode for `char-mode'.") (defvar exwm-input--timestamp-atom nil) @@ -452,9 +452,12 @@ ARGS are additional arguments to CALLBACK." (t ;; Replay this event by default. (setq fake-last-command t) - (setq mode xcb:Allow:ReplayPointer)))) - (when fake-last-command - (exwm-input--fake-last-command)) + (setq mode xcb:Allow:ReplayPointer))) + (when fake-last-command + (if buffer + (with-current-buffer buffer + (exwm-input--fake-last-command)) + (exwm-input--fake-last-command)))) (xcb:+request exwm--connection (make-instance 'xcb:AllowEvents :mode mode :time xcb:Time:CurrentTime)) (xcb:flush exwm--connection)) @@ -584,9 +587,11 @@ instead." (and (= emacs-major-version 26) (< emacs-minor-version 2))) (defsubst exwm-input--unread-event (event) + (declare (indent defun)) (setq unread-command-events (append unread-command-events (list event)))) (defsubst exwm-input--unread-event (event) + (declare (indent defun)) (setq unread-command-events (append unread-command-events `((t . ,event))))))) @@ -663,8 +668,26 @@ Current buffer must be an `exwm-mode' buffer." (defun exwm-input--fake-last-command () "Fool some packages into thinking there is a change in the buffer." (setq last-command #'exwm-input--noop) - (run-hooks 'pre-command-hook) - (run-hooks 'post-command-hook)) + ;; The Emacs manual says: + ;; > Quitting is suppressed while running pre-command-hook and + ;; > post-command-hook. If an error happens while executing one of these + ;; > hooks, it does not terminate execution of the hook; instead the error is + ;; > silenced and the function in which the error occurred is removed from the + ;; > hook. + ;; We supress errors but neither continue execution nor we remove from the + ;; hook. + (condition-case err + (run-hooks 'pre-command-hook) + ((error) + (exwm--log "Error occurred while running pre-command-hook: %s" + (error-message-string err)) + (xcb-debug:backtrace))) + (condition-case err + (run-hooks 'post-command-hook) + ((error) + (exwm--log "Error occurred while running post-command-hook: %s" + (error-message-string err)) + (xcb-debug:backtrace)))) (defun exwm-input--on-KeyPress-line-mode (key-press raw-data) "Parse X KeyPress event to Emacs key event and then feed the command loop." @@ -708,7 +731,7 @@ Current buffer must be an `exwm-mode' buffer." (xcb:flush exwm--connection)))) (defun exwm-input--on-KeyPress-char-mode (key-press &optional _raw-data) - "Handle KeyPress event in char-mode." + "Handle KeyPress event in `char-mode'." (with-slots (detail state) key-press (let ((keysym (xcb:keysyms:keycode->keysym exwm--connection detail state)) event raw-event) @@ -749,7 +772,7 @@ button event." xcb:Allow:ReplayPointer)))) (defun exwm-input--on-ButtonPress-char-mode () - "Handle button events in char-mode. + "Handle button events in `char-mode'. The return value is used as event_mode to release the original button event." (exwm--log) @@ -825,7 +848,7 @@ button event." ;;;###autoload (defun exwm-input-grab-keyboard (&optional id) - "Switch to line-mode." + "Switch to `line-mode'." (interactive (list (when (derived-mode-p 'exwm-mode) (exwm--buffer->id (window-buffer))))) (when id @@ -836,7 +859,7 @@ button event." ;;;###autoload (defun exwm-input-release-keyboard (&optional id) - "Switch to char-mode." + "Switch to `char-mode`." (interactive (list (when (derived-mode-p 'exwm-mode) (exwm--buffer->id (window-buffer))))) (when id @@ -847,7 +870,7 @@ button event." ;;;###autoload (defun exwm-input-toggle-keyboard (&optional id) - "Toggle between 'line-mode' and 'char-mode'." + "Toggle between `line-mode' and `char-mode'." (interactive (list (when (derived-mode-p 'exwm-mode) (exwm--buffer->id (window-buffer))))) (when id @@ -964,7 +987,7 @@ multiple keys. If END-KEY is non-nil, stop sending keys if it's pressed." It is an alist of the form (original-key . simulated-key), where both original-key and simulated-key are key sequences. Original-key is what you -type to an X window in line-mode which then gets translated to simulated-key +type to an X window in `line-mode' which then gets translated to simulated-key by EXWM and forwarded to the X window. Notes: @@ -1075,7 +1098,7 @@ where both ORIGINAL-KEY and SIMULATED-KEY are key sequences." (defmacro exwm-input-invoke-factory (keys) "Make a command that invokes KEYS when called. -One use is to access the keymap bound to KEYS (as prefix keys) in char-mode." +One use is to access the keymap bound to KEYS (as prefix keys) in `char-mode'." (let* ((keys (kbd keys)) (description (key-description keys))) `(defun ,(intern (concat "exwm-input--invoke--" description)) () @@ -1215,12 +1238,13 @@ One use is to access the keymap bound to KEYS (as prefix keys) in char-mode." (when exwm-input--update-focus-timer (cancel-timer exwm-input--update-focus-timer)) ;; Make input focus working even without a WM. - (xcb:+request exwm--connection - (make-instance 'xcb:SetInputFocus - :revert-to xcb:InputFocus:PointerRoot - :focus exwm--root - :time xcb:Time:CurrentTime)) - (xcb:flush exwm--connection)) + (when (slot-value exwm--connection 'connected) + (xcb:+request exwm--connection + (make-instance 'xcb:SetInputFocus + :revert-to xcb:InputFocus:PointerRoot + :focus exwm--root + :time xcb:Time:CurrentTime)) + (xcb:flush exwm--connection))) |