passepartout: v0.7.0 — Status bar fix, unicode width, Ctrl key bindings

lisp/channel-tui-main.lisp

@@ -11,6 +11,29 @@
                    (or name raw))
                  raw)))
     (cond
+      ;; v0.7.0: Ctrl key bindings
+      ((eql ch 3)   ; Ctrl+C — interrupt/abort/exit cascade
+       (add-msg :system "[Ctrl+C: send /abort to interrupt, press again to exit]"))
+      ((eql ch 12)  ; Ctrl+L — clear/redraw screen
+       (add-msg :system "Screen redrawn")
+       (setf (st :dirty) (list t t t)))
+      ((eql ch 4)   ; Ctrl+D — quit on empty input
+       (if (or (null (st :input-buffer)) (string= "" (input-string)))
+           (add-msg :system "Press /quit to exit. Goodbye!")))
+      ((eql ch 21)  ; Ctrl+U — clear line
+       (setf (st :input-buffer) nil)
+       (setf (st :dirty) (list nil nil t)))
+      ((eql ch 23)  ; Ctrl+W — delete word backward
+       (let ((buf (or (st :input-buffer) nil)))
+         (when buf
+           (loop while (and buf (char= (first buf) #\Space)) do (pop buf))
+           (loop while (and buf (char/= (first buf) #\Space)) do (pop buf))
+           (setf (st :input-buffer) buf)
+           (setf (st :dirty) (list nil nil t)))))
+      ((eql ch 1)   ; Ctrl+A — home
+       (setf (st :cursor-pos) 0))
+      ((eql ch 5)   ; Ctrl+E — end
+       (setf (st :cursor-pos) (length (st :input-buffer))))
       ;; Enter
       ((or (eq ch :enter) (eql ch 13) (eql ch 10)
            (eql ch #\Newline) (eql ch #\Return))
@@ -541,3 +564,45 @@
   (fiveam:is (eq :yellow (getf *tui-theme* :system)))
   (fiveam:is (eq :cyan (getf *tui-theme* :input)))
   (fiveam:is (eq :white (theme-color :unknown-role))))
+
+(fiveam:test test-on-key-ctrl-d-empty-quits
+  "Contract 1/v0.7.0: Ctrl+D on empty input adds quit system message."
+  (init-state)
+  (on-key 4)  ; Ctrl+D
+  (let ((msgs (st :messages)))
+    (fiveam:is (> (length msgs) 0))  ; at least one message
+    (fiveam:is (search "quit" (getf (elt msgs 0) :content) :test #'char-equal))))
+
+(fiveam:test test-on-key-ctrl-u-clears-line
+  "Contract 1/v0.7.0: Ctrl+U clears the input buffer."
+  (init-state)
+  (dolist (ch '(#\h #\e #\l #\l #\o))
+    (on-key (char-code ch)))
+  (on-key 21)  ; Ctrl+U
+  (fiveam:is (string= "" (input-string))))
+
+(fiveam:test test-on-key-ctrl-a-moves-home
+  "Contract 1/v0.7.0: Ctrl+A moves cursor to position 0."
+  (init-state)
+  (dolist (ch '(#\h #\i))
+    (on-key (char-code ch)))
+  (on-key 1)  ; Ctrl+A
+  (fiveam:is (= 0 (or (st :cursor-pos) 0))))
+
+(fiveam:test test-on-key-ctrl-e-moves-end
+  "Contract 1/v0.7.0: Ctrl+E moves cursor to end of input."
+  (init-state)
+  (dolist (ch '(#\h #\i))
+    (on-key (char-code ch)))
+  (on-key 5)  ; Ctrl+E
+  (fiveam:is (= 2 (or (st :cursor-pos) 0))))
+
+(fiveam:test test-on-key-ctrl-l-redraws
+  "Contract 1/v0.7.0: Ctrl+L sets all dirty flags for full redraw."
+  (init-state)
+  (setf (st :dirty) (list nil nil nil))
+  (on-key 12)  ; Ctrl+L
+  (let ((d (st :dirty)))
+    (fiveam:is (eq t (first d)))
+    (fiveam:is (eq t (second d)))
+    (fiveam:is (eq t (third d)))))