1 files changed, 19 insertions, 0 deletions

diff --git a/lisp/progmodes/gdb-ui.el b/lisp/progmodes/gdb-ui.el
index dae1b3e811b..459ea405eb3 100644
--- a/lisp/progmodes/gdb-ui.el
+++ b/lisp/progmodes/gdb-ui.el
@@ -349,6 +349,10 @@ Also display the main routine in the disassembly buffer if present."
     'gdb-mouse-set-clear-breakpoint)
   (define-key gud-minor-mode-map [left-fringe mouse-1]
     'gdb-mouse-set-clear-breakpoint)
+  (define-key gud-minor-mode-map [left-fringe mouse-2]
+    'gdb-mouse-until)
+  (define-key gud-minor-mode-map [left-fringe drag-mouse-1]
+    'gdb-mouse-until)
   (define-key gud-minor-mode-map [left-margin mouse-3]
     'gdb-mouse-toggle-breakpoint-margin)
   (define-key gud-minor-mode-map [left-fringe mouse-3]
@@ -396,6 +400,21 @@ Also display the main routine in the disassembly buffer if present."
   (gdb-set-gud-minor-mode-existing-buffers)
   (run-hooks 'gdba-mode-hook))
 
+(defun gdb-mouse-until (event)
+  "Execute source lines by dragging the overlay arrow (fringe) with the mouse."
+  (interactive "e")
+  (if gud-overlay-arrow-position
+        (let ((start (event-start event))
+              (end  (event-end event))
+              (buffer (marker-buffer gud-overlay-arrow-position)) (line))
+          (if (equal buffer (window-buffer (posn-window end)))
+              (with-current-buffer buffer
+                (when (or (equal start end)
+                          (equal (posn-point start)
+                                 (marker-position gud-overlay-arrow-position)))
+                  (setq line (line-number-at-pos (posn-point end)))
+                  (gud-call (concat "until " (number-to-string line)))))))))
+
 (defcustom gdb-use-colon-colon-notation nil
   "If non-nil use FUN::VAR format to display variables in the speedbar."
   :type 'boolean