diff options
| -rw-r--r-- | modules/mousetrap-mode.el | 36 | ||||
| -rw-r--r-- | tests/test-mousetrap-mode--bind-events.el | 41 |
2 files changed, 61 insertions, 16 deletions
diff --git a/modules/mousetrap-mode.el b/modules/mousetrap-mode.el index 4444716ce..99475fcde 100644 --- a/modules/mousetrap-mode.el +++ b/modules/mousetrap-mode.el @@ -144,30 +144,34 @@ the mode is toggled, allowing dynamic behavior without reloading config." (push (cons cache-key map) mouse-trap--keymap-cache) map)))) +(defun mouse-trap--bind-events-to-ignore (spec prefixes map) + "Bind every event in SPEC, across every PREFIXES variant, to `ignore' in MAP. +SPEC is one category's event description: wheel events under \\='wheel, or +click/drag events as \\='types x \\='buttons. Used to disable a category that +the active profile disallows." + (cond + ;; Scroll events (wheel) + ((alist-get 'wheel spec) + (dolist (evt (alist-get 'wheel spec)) + (dolist (pref prefixes) + (define-key map (kbd (format "<%s%s>" pref evt)) #'ignore)))) + + ;; Click/drag events (types + buttons) + ((and (alist-get 'types spec) (alist-get 'buttons spec)) + (dolist (type (alist-get 'types spec)) + (dolist (button (alist-get 'buttons spec)) + (dolist (pref prefixes) + (define-key map (kbd (format "<%s%s-%d>" pref type button)) #'ignore))))))) + (defun mouse-trap--build-keymap-1 (allowed-categories) "Build a fresh keymap binding events not in ALLOWED-CATEGORIES to `ignore'." (let ((prefixes '("" "C-" "M-" "S-" "C-M-" "C-S-" "M-S-" "C-M-S-")) (map (make-sparse-keymap))) - - ;; For each event category, disable it if not in allowed list (dolist (category-entry mouse-trap--event-categories) (let ((category (car category-entry)) (spec (cdr category-entry))) (unless (memq category allowed-categories) - ;; This category is NOT allowed - bind its events to ignore - (cond - ;; Scroll events (wheel) - ((alist-get 'wheel spec) - (dolist (evt (alist-get 'wheel spec)) - (dolist (pref prefixes) - (define-key map (kbd (format "<%s%s>" pref evt)) #'ignore)))) - - ;; Click/drag events (types + buttons) - ((and (alist-get 'types spec) (alist-get 'buttons spec)) - (dolist (type (alist-get 'types spec)) - (dolist (button (alist-get 'buttons spec)) - (dolist (pref prefixes) - (define-key map (kbd (format "<%s%s-%d>" pref type button)) #'ignore))))))))) + (mouse-trap--bind-events-to-ignore spec prefixes map)))) map)) ;;; Buffer-local keymap via emulation-mode-map-alists diff --git a/tests/test-mousetrap-mode--bind-events.el b/tests/test-mousetrap-mode--bind-events.el new file mode 100644 index 000000000..6772d6fa3 --- /dev/null +++ b/tests/test-mousetrap-mode--bind-events.el @@ -0,0 +1,41 @@ +;;; test-mousetrap-mode--bind-events.el --- Tests for mouse-trap--bind-events-to-ignore -*- lexical-binding: t; -*- + +;;; Commentary: +;; mouse-trap--bind-events-to-ignore is the per-category binding loop extracted +;; from mouse-trap--build-keymap-1 (which previously nested it five deep). It +;; binds a category's events, across modifier prefixes, to `ignore'. The full +;; keymap build stays covered by test-mousetrap-mode--build-keymap.el. + +;;; Code: + +(require 'ert) + +(add-to-list 'load-path (expand-file-name "modules" user-emacs-directory)) +(require 'mousetrap-mode) + +(ert-deftest test-mousetrap-bind-events-wheel () + "Normal: wheel events are bound to ignore across every prefix variant." + (let ((map (make-sparse-keymap)) + (spec '((wheel . ("wheel-up" "wheel-down"))))) + (mouse-trap--bind-events-to-ignore spec '("" "C-") map) + (should (eq (lookup-key map (kbd "<wheel-up>")) #'ignore)) + (should (eq (lookup-key map (kbd "<C-wheel-up>")) #'ignore)) + (should (eq (lookup-key map (kbd "<wheel-down>")) #'ignore)))) + +(ert-deftest test-mousetrap-bind-events-click () + "Normal: type x button click events are bound to ignore." + (let ((map (make-sparse-keymap)) + (spec '((types . ("mouse" "down-mouse")) (buttons . (1 3))))) + (mouse-trap--bind-events-to-ignore spec '("") map) + (should (eq (lookup-key map (kbd "<mouse-1>")) #'ignore)) + (should (eq (lookup-key map (kbd "<mouse-3>")) #'ignore)) + (should (eq (lookup-key map (kbd "<down-mouse-1>")) #'ignore)))) + +(ert-deftest test-mousetrap-bind-events-empty-spec-no-op () + "Boundary: a spec with neither wheel nor types/buttons binds nothing." + (let ((map (make-sparse-keymap))) + (mouse-trap--bind-events-to-ignore '((other . t)) '("") map) + (should (null (lookup-key map (kbd "<mouse-1>")))))) + +(provide 'test-mousetrap-mode--bind-events) +;;; test-mousetrap-mode--bind-events.el ends here |