v0.14.0: Mouse improvements - selection tracking and link clicking

org/framebuffer.org

@@ -127,7 +127,8 @@ See =docs/plans/2026-05-11-rendering-pipeline.md= for full implementation plan.
    #:make-framebuffer #:fb-framebuffer
    #:framebuffer-width #:framebuffer-height
    #:diff-framebuffers #:flush-framebuffer
-   #:with-scissor))
+   #:with-scissor
+   #:extract-text #:fb-cell-link-url))
 #+END_SRC
 
 #+BEGIN_SRC lisp :tangle ../src/rendering/framebuffer.lisp

org/mouse.org

@@ -102,3 +102,35 @@ module adds:
   (setf cl-tty.mouse::*selection* (make-selection :text "hello"))
   (is (equal "hello" (get-selection))))
 #+END_SRC
+
+** Selection tracking
+
+#+BEGIN_SRC lisp :tangle ../tests/mouse-tests.lisp
+(def-test start-selection-initializes-state ()
+  (start-selection 5 10)
+  (is-true (selection-active-p))
+  (is (equal '(5 . 10) cl-tty.mouse::*selection-start*))
+  (is (equal '(5 . 10) cl-tty.mouse::*selection-end*))
+  (setf cl-tty.mouse::*selection-active* nil
+        cl-tty.mouse::*selection-start* nil
+        cl-tty.mouse::*selection-end* nil))
+
+(def-test update-selection-moves-end ()
+  (start-selection 0 0)
+  (update-selection 3 7)
+  (is (equal '(3 . 7) cl-tty.mouse::*selection-end*))
+  (setf cl-tty.mouse::*selection-active* nil
+        cl-tty.mouse::*selection-start* nil
+        cl-tty.mouse::*selection-end* nil))
+
+(def-test finalize-selection-extracts-text ()
+  (let* ((fb-be (cl-tty.rendering:make-framebuffer-backend))
+         (fb (cl-tty.rendering:fb-framebuffer fb-be)))
+    (cl-tty.backend:draw-text fb-be 0 0 "hello" nil nil)
+    (cl-tty.backend:draw-text fb-be 0 1 "world" nil nil)
+    (start-selection 0 0)
+    (update-selection 4 1)
+    (let ((text (finalize-selection fb)))
+      (is (equal "hello
+world" text)))))
+#+END_SRC