From 3bd79e480c3b41663c9775a327187746fbfc3209 Mon Sep 17 00:00:00 2001
From: Sebastian Dransfeld <sd@tango.flipp.net>
Date: Thu, 4 Oct 2012 23:19:17 +0000
Subject: [PATCH] terminology: handle mouse move

SVN revision: 77489
---
 src/bin/termio.c     | 56 +++++++++++++++++++++++++++++++++++++++++---
 src/bin/termpty.h    | 13 +++++-----
 src/bin/termptyesc.c |  4 +++-
 3 files changed, 63 insertions(+), 10 deletions(-)

diff --git a/src/bin/termio.c b/src/bin/termio.c
index 6277ad40..84cce598 100644
--- a/src/bin/termio.c
+++ b/src/bin/termio.c
@@ -39,6 +39,7 @@ struct _Termio
    } cur;
    struct {
       int cx, cy;
+      int button;
    } mouse;
    struct {
       struct {
@@ -1234,6 +1235,11 @@ _rep_mouse_down(Termio *sd, Evas_Event_Mouse_Down *ev, int cx, int cy)
    Eina_Bool ret = EINA_FALSE;
    
    if (sd->pty->mouse_rep == MOUSE_OFF) return EINA_FALSE;
+   if (!sd->mouse.button)
+     {
+        /* Need to remember the first button pressed for terminal handling */
+        sd->mouse.button = ev->button;
+     }
    switch (sd->pty->mouse_rep)
      {
       case MOUSE_X10:
@@ -1302,6 +1308,7 @@ _rep_mouse_down(Termio *sd, Evas_Event_Mouse_Down *ev, int cx, int cy)
           }
         break;
       case MOUSE_NORMAL:
+      case MOUSE_NORMAL_BTN_MOVE:
       case MOUSE_URXVT: // ESC.[.M.BTN/FLGS.X.Y
         if ((cx < (0xff - ' ')) && (cy < (0xff - ' ')))
           {
@@ -1335,6 +1342,8 @@ _rep_mouse_up(Termio *sd, Evas_Event_Mouse_Up *ev, int cx, int cy)
    Eina_Bool ret = EINA_FALSE;
    
    if (sd->pty->mouse_rep == MOUSE_OFF) return EINA_FALSE;
+   if (sd->mouse.button == ev->button)
+     sd->mouse.button = 0;
    switch (sd->pty->mouse_rep)
      {
       case MOUSE_UTF8: // ESC.[.M.BTN/FLGS.UTF8.YUTF8
@@ -1384,6 +1393,7 @@ _rep_mouse_up(Termio *sd, Evas_Event_Mouse_Up *ev, int cx, int cy)
           }
         break;
       case MOUSE_NORMAL:
+      case MOUSE_NORMAL_BTN_MOVE:
       case MOUSE_URXVT: // ESC.[.M.BTN/FLGS.X.Y
         if ((cx < (0xff - ' ')) && (cy < (0xff - ' ')))
           {
@@ -1410,12 +1420,52 @@ _rep_mouse_up(Termio *sd, Evas_Event_Mouse_Up *ev, int cx, int cy)
 }
 
 static Eina_Bool
-_rep_mouse_move(Termio *sd, Evas_Event_Mouse_Move *ev __UNUSED__, int cx __UNUSED__, int cy __UNUSED__)
+_rep_mouse_move(Termio *sd, Evas_Event_Mouse_Move *ev, int cx __UNUSED__, int cy __UNUSED__, Eina_Bool change)
 {
+   char buf[64];
    Eina_Bool ret = EINA_FALSE;
    
    if (sd->pty->mouse_rep == MOUSE_OFF) return EINA_FALSE;
-   // not sure what to d here right now so do nothing.
+   switch (sd->pty->mouse_rep)
+     {
+      case MOUSE_NORMAL_BTN_MOVE: // ESC.[.M.BTN/FLGS.X.Y
+        if (change)
+          {
+             int btn = sd->mouse.button - 1;
+             int shift = evas_key_modifier_is_set(ev->modifiers, "Shift") ? 4 : 0;
+             int meta = evas_key_modifier_is_set(ev->modifiers, "Alt") ? 8 : 0;
+             int ctrl = evas_key_modifier_is_set(ev->modifiers, "Control") ? 16 : 0;
+             int v, i;
+             
+             if (btn > 2) btn = 0;
+             buf[0] = 0x1b;
+             buf[1] = '[';
+             buf[2] = 'M';
+             buf[3] = (btn | shift | meta | ctrl) + ' ' + 32;
+             i = 4;
+             v = cx + 1 + ' ';
+             if (v <= 127) buf[i++] = v;
+             else
+               { // 14 bits for cx/cy - enough i think
+                   buf[i++] = 0xc0 + (v >> 6);
+                   buf[i++] = 0x80 + (v & 0x3f);
+               }
+             v = cy + 1 + ' ';
+             if (v <= 127) buf[i++] = v;
+             else
+               { // 14 bits for cx/cy - enough i think
+                   buf[i++] = 0xc0 + (v >> 6);
+                   buf[i++] = 0x80 + (v & 0x3f);
+               }
+             buf[i] = 0;
+             termpty_write(sd->pty, buf, strlen(buf));
+          }
+        /* Always handle this, even if we don't send position update */
+        ret = EINA_TRUE;
+        break;
+      default:
+        break;
+     }
    return ret;
 }
 
@@ -1667,7 +1717,7 @@ _smart_cb_mouse_move(void *data, Evas *e __UNUSED__, Evas_Object *obj __UNUSED__
    if ((sd->mouse.cx != cx) || (sd->mouse.cy != cy)) mc_change = EINA_TRUE;
    sd->mouse.cx = cx;
    sd->mouse.cy = cy;
-   if (_rep_mouse_move(sd, ev, cx, cy)) return;
+   if (_rep_mouse_move(sd, ev, cx, cy, mc_change)) return;
    if (sd->cur.makesel)
      {
         if (!sd->cur.sel)
diff --git a/src/bin/termpty.h b/src/bin/termpty.h
index 202e5b25..325e8238 100644
--- a/src/bin/termpty.h
+++ b/src/bin/termpty.h
@@ -18,12 +18,13 @@ typedef struct _Termsave  Termsave;
 #define COL_INVERSE   10
 #define COL_INVERSEBG 11
 
-#define MOUSE_OFF      0
-#define MOUSE_X10      1
-#define MOUSE_NORMAL   2
-#define MOUSE_UTF8     3
-#define MOUSE_SGR      4
-#define MOUSE_URXVT    5
+#define MOUSE_OFF              0
+#define MOUSE_X10              1
+#define MOUSE_NORMAL           2
+#define MOUSE_UTF8             3
+#define MOUSE_SGR              4
+#define MOUSE_URXVT            5
+#define MOUSE_NORMAL_BTN_MOVE  6
 
 // choose - italic OR double-width support   
 
diff --git a/src/bin/termptyesc.c b/src/bin/termptyesc.c
index 7aa0c91a..8bf7e59b 100644
--- a/src/bin/termptyesc.c
+++ b/src/bin/termptyesc.c
@@ -628,7 +628,9 @@ _handle_esc_csi(Termpty *ty, const Eina_Unicode *c, Eina_Unicode *ce)
                                  break;
                                case 1002:
                                  handled = 1;
-                                 ERR("XXX: set mouse (press+release+motion while pressed) %i", mode);
+                                 if (mode) ty->mouse_rep = MOUSE_NORMAL_BTN_MOVE;
+                                 else ty->mouse_rep = MOUSE_OFF;
+                                 INF("XXX: set mouse (press+release+motion while pressed) %i", mode);
                                  break;
                                case 1003:
                                  handled = 1;