[vte] emulation: Remove urxvt mouse extension support

[Egmont Koblinger <egmontkob src gnome org>]

commit b8113e6dd3b6ae8d202c876b3d408125391cf9cb
Author: Egmont Koblinger <egmont gmail com>
Date:   Sat Sep 14 22:28:39 2019 +0200

    emulation: Remove urxvt mouse extension support
    
    https://gitlab.gnome.org/GNOME/vte/issues/155

 src/mev.c            | 15 +--------------
 src/modes-private.hh |  7 ++-----
 src/parser-reply.hh  |  1 -
 src/vte.cc           |  3 ---
 src/vteseq.cc        |  1 -
 5 files changed, 3 insertions(+), 24 deletions(-)
---
diff --git a/src/mev.c b/src/mev.c
index eca326d2..cff21a8c 100644
--- a/src/mev.c
+++ b/src/mev.c
@@ -45,7 +45,6 @@ enum {
        tracking_all_motion = 1003,
         tracking_focus = 1004,
         tracking_xterm_ext = 1006,
-        tracking_urxvt = 1015
 };
 
 static int tracking_mode = 0;
@@ -66,7 +65,6 @@ reset_mouse_tracking_mode(void)
        decset(tracking_cell_motion, FALSE);
        decset(tracking_all_motion, FALSE);
        decset(tracking_xterm_ext, FALSE);
-       decset(tracking_urxvt, FALSE);
        fflush(stdout);
 }
 
@@ -113,10 +111,6 @@ clear(void)
                fprintf(stdout, "Xterm 1006 mouse tracking extension enabled.\r\n");
                decset(tracking_xterm_ext, TRUE);
                break;
-       case tracking_urxvt:
-               fprintf(stdout, "rxvt-unicode 1015 mouse tracking extension enabled.\r\n");
-               decset(tracking_urxvt, TRUE);
-               break;
        default:
                fprintf(stdout, "Tracking disabled.\r\n");
                break;
@@ -128,7 +122,6 @@ clear(void)
        fprintf(stdout, "D - Cell motion tracking.\r\n");
        fprintf(stdout, "E - All motion tracking.\r\n");
        fprintf(stdout, "F - Xterm 1006 extension.\r\n");
-       fprintf(stdout, "G - rxvt-unicode extension.\r\n");
        fprintf(stdout, "I - Focus tracking.\r\n");
        fprintf(stdout, "Q - Quit.\r\n");
        fprintf(stdout, "%s", _VTE_CAP_ESC "8");
@@ -208,7 +201,7 @@ parse_esc(guint8 *data,
         if (data[2] == 'M')
                 return parse_legacy_mouse_mode(data, len);
 
-        /* FIXME: add support for xterm extended mode (1006) and urxvt mode (1015) */
+        /* FIXME: add support for xterm extended mode (1006) */
 
         if (data[2] == 'I' || data[2] == 'O') {
                 fprintf(stdout, "focus %s\r\n", data[2] == 'I' ? "in" : "out");
@@ -313,12 +306,6 @@ parse(void)
                                        0 : tracking_xterm_ext;
                        i++;
                        break;
-               case 'G':
-               case 'g':
-                       tracking_mode = (tracking_mode == tracking_urxvt) ?
-                                       0 : tracking_urxvt;
-                       i++;
-                       break;
                case 'I':
                case 'i':
                        tracking_focus_mode = !tracking_focus_mode;
diff --git a/src/modes-private.hh b/src/modes-private.hh
index 6cefe40a..2dab1f8d 100644
--- a/src/modes-private.hh
+++ b/src/modes-private.hh
@@ -163,10 +163,6 @@ MODE(XTERM_SAVE_CURSOR,              1048)
 MODE(XTERM_OPT_ALTBUF_SAVE_CURSOR,   1049)
 MODE(XTERM_READLINE_BRACKETED_PASTE, 2004)
 
-/* URXVT */
-
-MODE(URXVT_MOUSE_EXT, 1015)
-
 /* Not supported modes: */
 
 /* DEC */
@@ -777,7 +773,8 @@ MODE_FIXED(RXVT_TOOLBAR,            10, ALWAYS_RESET)
 MODE_FIXED(RXVT_SCROLLBAR,          30, ALWAYS_RESET)
 /* MODE_FIXED(RXVT_SHIFT_KEYS,        35, ALWAYS_RESET) ! Conflicts with DECHEBM */
 MODE_FIXED(RXVT_SCROLL_OUTPUT,    1010, ALWAYS_RESET)
-MODE_FIXED(RXVT_SCROLL_KEYPRES,   1011, ALWAYS_RESET)
+MODE_FIXED(RXVT_SCROLL_KEYPRESS,  1011, ALWAYS_RESET)
+MODE_FIXED(RXVT_MOUSE_EXT,        1015, ALWAYS_RESET)
 /* Bold/blink uses normal (reset) or high intensity (set) colour */
 MODE_FIXED(RXVT_INTENSITY_STYLES, 1021, ALWAYS_SET)
 
diff --git a/src/parser-reply.hh b/src/parser-reply.hh
index cf5c237d..259145d8 100644
--- a/src/parser-reply.hh
+++ b/src/parser-reply.hh
@@ -26,7 +26,6 @@ _VTE_REPLY(APC,         APC, 0,   NONE, NONE,  ) /* application program command
 _VTE_REPLY(DECEKBD,     APC, 0,   NONE, NONE,  ) /* extended keyboard report */
 
 _VTE_REPLY(XTERM_FOCUS_IN,                            CSI, 'I', NONE, NONE,  ) /* XTERM focus in report */
-_VTE_REPLY(URXVT_MOUSE_EXT_REPORT,                    CSI, 'M', NONE, NONE,  ) /* URXVT mouse mode report */
 _VTE_REPLY(XTERM_MOUSE_EXT_SGR_REPORT_BUTTON_PRESS,   CSI, 'M', LT,   NONE,  ) /* XTERM SGR mouse mode 
button press report */
 _VTE_REPLY(XTERM_FOCUS_OUT,                           CSI, 'O', NONE, NONE,  ) /* XTERM focus out report */
 _VTE_REPLY(DECXCPR,                                   CSI, 'R', WHAT, NONE,  ) /* extended cursor position 
report */
diff --git a/src/vte.cc b/src/vte.cc
index c52241de..da2b0bad 100644
--- a/src/vte.cc
+++ b/src/vte.cc
@@ -5861,9 +5861,6 @@ Terminal::feed_mouse_event(vte::grid::coords const& rowcol /* confined */,
                 send(is_release ? VTE_REPLY_XTERM_MOUSE_EXT_SGR_REPORT_BUTTON_RELEASE
                                 : VTE_REPLY_XTERM_MOUSE_EXT_SGR_REPORT_BUTTON_PRESS,
                      {cb, (int)cx, (int)cy});
-       } else if (m_modes_private.URXVT_MOUSE_EXT()) {
-               /* urxvt's extended mode (1015) */
-                send(VTE_REPLY_URXVT_MOUSE_EXT_REPORT, {32 + cb, (int)cx, (int)cy});
        } else if (cx <= 223 && cy <= 223) {
                /* legacy mode */
                len = g_snprintf(buf, sizeof(buf), _VTE_CAP_CSI "M%c%c%c", 32 + cb, 32 + (guchar)cx, 32 + 
(guchar)cy);
diff --git a/src/vteseq.cc b/src/vteseq.cc
index 6d85911f..771a413b 100644
--- a/src/vteseq.cc
+++ b/src/vteseq.cc
@@ -599,7 +599,6 @@ Terminal::set_mode_private(int mode,
         case vte::terminal::modes::Private::eXTERM_MOUSE_ANY_EVENT:
         case vte::terminal::modes::Private::eXTERM_MOUSE_EXT:
         case vte::terminal::modes::Private::eXTERM_MOUSE_EXT_SGR:
-        case vte::terminal::modes::Private::eURXVT_MOUSE_EXT:
                 update_mouse_protocol();
                 break;