(Qmouse_fixup_help_message)

(make_lispy_movement, tracking_off, Ftrack_mouse, some_mouse_moved)
(show_help_echo, readable_events, kbd_buffer_get_event, init_keyboard):
Extend HAVE_MOUSE ifdefs to HAVE_GPM_H.
(make_lispy_event): Add case GPM_CLICK_EVENT.
(read_avail_input): Handle mouse input.

1 files changed, 92 insertions, 14 deletions

diff --git a/src/keyboard.c b/src/keyboard.c
index bda07473ccf..2aa3b083cc0 100644
--- a/src/keyboard.c
+++ b/src/keyboard.c
@@ -521,7 +521,7 @@ Lisp_Object Qmake_frame_visible;
 Lisp_Object Qselect_window;
 Lisp_Object Qhelp_echo;
 
-#ifdef HAVE_MOUSE
+#if defined (HAVE_MOUSE) || defined (HAVE_GPM)
 Lisp_Object Qmouse_fixup_help_message;
 #endif
 
@@ -677,7 +677,7 @@ static Lisp_Object read_char_x_menu_prompt ();
 static Lisp_Object read_char_minibuf_menu_prompt P_ ((int, int,
                                                       Lisp_Object *));
 static Lisp_Object make_lispy_event P_ ((struct input_event *));
-#ifdef HAVE_MOUSE
+#if defined (HAVE_MOUSE) || defined (HAVE_GPM)
 static Lisp_Object make_lispy_movement P_ ((struct frame *, Lisp_Object,
                                             enum scroll_bar_part,
                                             Lisp_Object, Lisp_Object,
@@ -1390,7 +1390,7 @@ DEFUN ("abort-recursive-edit", Fabort_recursive_edit, Sabort_recursive_edit, 0,
   return Qnil;
 }
 
-#ifdef HAVE_MOUSE
+#if defined (HAVE_MOUSE) || defined (HAVE_GPM)
 
 /* Restore mouse tracking enablement.  See Ftrack_mouse for the only use
    of this function.  */
@@ -1466,7 +1466,7 @@ some_mouse_moved ()
   return 0;
 }
 
-#endif  /* HAVE_MOUSE */
+#endif  /* HAVE_MOUSE || HAVE_GPM */
 
 /* This is the actual command reading loop,
    sans error-handling encapsulation.  */
@@ -2388,7 +2388,7 @@ show_help_echo (help, window, object, pos, ok_to_overwrite_keystroke_echo)
         return;
     }
 
-#ifdef HAVE_MOUSE
+#if defined (HAVE_MOUSE) || defined (HAVE_GPM)
   if (!noninteractive && STRINGP (help))
     {
       /* The mouse-fixup-help-message Lisp function can call
@@ -3640,7 +3640,7 @@ readable_events (flags)
         return 1;
     }
 
-#ifdef HAVE_MOUSE
+#if defined (HAVE_MOUSE) || defined (HAVE_GPM)
   if (!(flags & READABLE_EVENTS_IGNORE_SQUEEZABLES)
       && !NILP (do_mouse_tracking) && some_mouse_moved ())
     return 1;
@@ -3992,7 +3992,7 @@ kbd_buffer_get_event (kbp, used_mouse_menu, end_time)
     {
       if (kbd_fetch_ptr != kbd_store_ptr)
         break;
-#ifdef HAVE_MOUSE
+#if defined (HAVE_MOUSE) || defined (HAVE_GPM)
       if (!NILP (do_mouse_tracking) && some_mouse_moved ())
         break;
 #endif
@@ -4014,7 +4014,7 @@ kbd_buffer_get_event (kbp, used_mouse_menu, end_time)
 #endif /* SIGIO */
       if (kbd_fetch_ptr != kbd_store_ptr)
         break;
-#ifdef HAVE_MOUSE
+#if defined (HAVE_MOUSE) || defined (HAVE_GPM)
       if (!NILP (do_mouse_tracking) && some_mouse_moved ())
         break;
 #endif
@@ -4250,7 +4250,7 @@ kbd_buffer_get_event (kbp, used_mouse_menu, end_time)
             }
         }
     }
-#ifdef HAVE_MOUSE
+#if defined (HAVE_MOUSE) || defined (HAVE_GPM)
   /* Try generating a mouse motion event.  */
   else if (!NILP (do_mouse_tracking) && some_mouse_moved ())
     {
@@ -4291,7 +4291,7 @@ kbd_buffer_get_event (kbp, used_mouse_menu, end_time)
       if (!NILP (x) && NILP (obj))
         obj = make_lispy_movement (f, bar_window, part, x, y, time);
     }
-#endif  /* HAVE_MOUSE */
+#endif  /* HAVE_MOUSE || HAVE GPM */
   else
     /* We were promised by the above while loop that there was
        something for us to read!  */
@@ -6008,6 +6008,64 @@ make_lispy_event (event)
       }
 #endif
 
+    case GPM_CLICK_EVENT:
+      {
+        FRAME_PTR f = XFRAME (event->frame_or_window);
+        Lisp_Object head, position;
+        Lisp_Object *start_pos_ptr;
+        Lisp_Object start_pos;
+        int button = event->code;
+
+        if (button >= ASIZE (button_down_location))
+          {
+            button_down_location = larger_vector (button_down_location,
+                                                  button + 1, Qnil);
+            mouse_syms = larger_vector (mouse_syms, button + 1, Qnil);
+          }
+
+        start_pos_ptr = &AREF (button_down_location, button);
+        start_pos = *start_pos_ptr;
+
+        position = make_lispy_position (f, &event->x, &event->y,
+                                            event->timestamp);
+
+        if (event->modifiers & down_modifier)
+          *start_pos_ptr = Fcopy_alist (position);
+        else if (event->modifiers & (up_modifier | drag_modifier))
+          {
+            if (!CONSP (start_pos))
+              return Qnil;
+            event->modifiers &= ~up_modifier;
+          }
+
+        head = modify_event_symbol (button,
+                                    event->modifiers,
+                                    Qmouse_click, Vlispy_mouse_stem,
+                                    NULL,
+                                    &mouse_syms,
+                                    XVECTOR (mouse_syms)->size);
+
+        if (event->modifiers & drag_modifier)
+          return Fcons (head,
+                        Fcons (start_pos,
+                               Fcons (position,
+                                      Qnil)));
+        else if (event->modifiers & double_modifier)
+          return Fcons (head,
+                        Fcons (position,
+                               Fcons (make_number (2),
+                                      Qnil)));
+        else if (event->modifiers & triple_modifier)
+          return Fcons (head,
+                        Fcons (position,
+                               Fcons (make_number (3),
+                                      Qnil)));
+        else
+          return Fcons (head,
+                        Fcons (position,
+                               Qnil));
+       }
+
       /* The 'kind' field of the event is something we don't recognize.  */
     default:
       abort ();
@@ -6865,8 +6923,28 @@ read_avail_input (expected)
       if (n_to_read == 0)
         return 0;
 #else /* not MSDOS */
+#ifdef HAVE_GPM_H
+      if (term_gpm)
+        {
+          Gpm_Event event;
+          struct input_event hold_quit;
+          int gpm;
+
+          EVENT_INIT (hold_quit);
+          hold_quit.kind = NO_EVENT;
+
+          while (gpm = Gpm_GetEvent (&event), gpm == 1) {
+            nread += handle_one_term_event (&event, &hold_quit);
+          }
+          if (hold_quit.kind != NO_EVENT)
+            kbd_buffer_store_event (&hold_quit);
+          if (nread)
+            return nread;
+        }
+#endif /* HAVE_GPM_H */
 #ifdef FIONREAD
-      /* Find out how much input is available.  */
+
+     /* Find out how much input is available.  */
       if (ioctl (input_fd, FIONREAD, &n_to_read) < 0)
         /* Formerly simply reported no input, but that sometimes led to
            a failure of Emacs to terminate.
@@ -11045,7 +11123,7 @@ init_keyboard ()
   recent_keys_index = 0;
   kbd_fetch_ptr = kbd_buffer;
   kbd_store_ptr = kbd_buffer;
-#ifdef HAVE_MOUSE
+#if defined (HAVE_MOUSE) || defined (HAVE_GPM)
   do_mouse_tracking = Qnil;
 #endif
   input_pending = 0;
@@ -11235,7 +11313,7 @@ syms_of_keyboard ()
   Qmenu_bar = intern ("menu-bar");
   staticpro (&Qmenu_bar);
 
-#ifdef HAVE_MOUSE
+#if defined (HAVE_MOUSE) || defined (HAVE_GPM)
   Qmouse_fixup_help_message = intern ("mouse-fixup-help-message");
   staticpro (&Qmouse_fixup_help_message);
 #endif
@@ -11367,7 +11445,7 @@ syms_of_keyboard ()
   defsubr (&Sread_key_sequence);
   defsubr (&Sread_key_sequence_vector);
   defsubr (&Srecursive_edit);
-#ifdef HAVE_MOUSE
+#if defined (HAVE_MOUSE) || defined (HAVE_GPM)
   defsubr (&Strack_mouse);
 #endif
   defsubr (&Sinput_pending_p);