From e2ffcc4228f248f584e28945f2198860338c5e6f Mon Sep 17 00:00:00 2001
From: Jesse Luehrs <doy@tozt.net>
Date: Mon, 21 Apr 2014 00:55:57 -0400
Subject: support basic mouse events

---
 src/parser.c      | 14 +++++++++++++
 src/parser.l      | 12 +++++++++++
 src/term.h        |  2 ++
 src/window-xlib.c | 59 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 4 files changed, 87 insertions(+)

diff --git a/src/parser.c b/src/parser.c
index 205b796..9a04535 100644
--- a/src/parser.c
+++ b/src/parser.c
@@ -2591,9 +2591,16 @@ static void runes_parser_handle_sm(RunesTerm *t, char *buf, size_t len)
             case 1:
                 t->application_cursor = 1;
                 break;
+            case 9:
+                t->mouse_reporting_press = 1;
+                break;
             case 25:
                 runes_display_show_cursor(t);
                 break;
+            case 1000:
+                t->mouse_reporting_press_release = 1;
+                break;
+            case 47:
             case 1049:
                 runes_display_use_alternate_buffer(t);
                 break;
@@ -2626,9 +2633,16 @@ static void runes_parser_handle_rm(RunesTerm *t, char *buf, size_t len)
             case 1:
                 t->application_cursor = 0;
                 break;
+            case 9:
+                t->mouse_reporting_press = 0;
+                break;
             case 25:
                 runes_display_hide_cursor(t);
                 break;
+            case 1000:
+                t->mouse_reporting_press_release = 0;
+                break;
+            case 47:
             case 1049:
                 runes_display_use_normal_buffer(t);
                 break;
diff --git a/src/parser.l b/src/parser.l
index 9a071ed..d1bfb10 100644
--- a/src/parser.l
+++ b/src/parser.l
@@ -467,9 +467,15 @@ static void runes_parser_handle_sm(RunesTerm *t, char *buf, size_t len)
             case 1:
                 t->application_cursor = 1;
                 break;
+            case 9:
+                t->mouse_reporting_press = 1;
+                break;
             case 25:
                 runes_display_show_cursor(t);
                 break;
+            case 1000:
+                t->mouse_reporting_press_release = 1;
+                break;
             case 47:
             case 1049:
                 runes_display_use_alternate_buffer(t);
@@ -503,9 +509,15 @@ static void runes_parser_handle_rm(RunesTerm *t, char *buf, size_t len)
             case 1:
                 t->application_cursor = 0;
                 break;
+            case 9:
+                t->mouse_reporting_press = 0;
+                break;
             case 25:
                 runes_display_hide_cursor(t);
                 break;
+            case 1000:
+                t->mouse_reporting_press_release = 0;
+                break;
             case 47:
             case 1049:
                 runes_display_use_normal_buffer(t);
diff --git a/src/term.h b/src/term.h
index c083eb2..89a0c54 100644
--- a/src/term.h
+++ b/src/term.h
@@ -56,6 +56,8 @@ struct runes_term {
 
     char application_keypad;
     char application_cursor;
+    char mouse_reporting_press;
+    char mouse_reporting_press_release;
 };
 
 void runes_term_init(RunesTerm *t, int argc, char *argv[]);
diff --git a/src/window-xlib.c b/src/window-xlib.c
index b747915..4873545 100644
--- a/src/window-xlib.c
+++ b/src/window-xlib.c
@@ -402,6 +402,65 @@ static void runes_window_backend_process_event(uv_work_t *req, int status)
             free(buf);
             break;
         }
+        case ButtonPress:
+        case ButtonRelease:
+            if (t->mouse_reporting_press_release) {
+                char response[7];
+                char status = 0;
+
+                if (e->type == ButtonPress || e->xbutton.button <= 3) {
+                    if (e->type == ButtonRelease) {
+                        status = 3;
+                    }
+                    else {
+                        switch (e->xbutton.button) {
+                        case Button1:
+                            status = 0;
+                            break;
+                        case Button2:
+                            status = 1;
+                            break;
+                        case Button3:
+                            status = 2;
+                            break;
+                        case Button4:
+                            status = 64;
+                            break;
+                        case Button5:
+                            status = 65;
+                            break;
+                        }
+                    }
+
+                    if (e->xbutton.state & ShiftMask) {
+                        status |= 4;
+                    }
+                    if (e->xbutton.state & Mod1Mask) {
+                        status |= 8;
+                    }
+                    if (e->xbutton.state & ControlMask) {
+                        status |= 16;
+                    }
+
+                    sprintf(
+                        response, "\e[M%c%c%c",
+                        ' ' + (status),
+                        ' ' + (e->xbutton.x / t->fontx + 1),
+                        ' ' + (e->xbutton.y / t->fonty + 1));
+                    runes_pty_backend_write(t, response, 6);
+                }
+            }
+            else if (t->mouse_reporting_press && e->type == ButtonPress) {
+                char response[7];
+
+                sprintf(
+                    response, "\e[M%c%c%c",
+                    ' ' + (e->xbutton.button - 1),
+                    ' ' + (e->xbutton.x / t->fontx + 1),
+                    ' ' + (e->xbutton.y / t->fonty + 1));
+                runes_pty_backend_write(t, response, 6);
+            }
+            break;
         case Expose:
             runes_window_backend_flush(t);
             break;
-- 
cgit v1.2.3-54-g00ecf