# 2006-09-12
# This patch makes MC use the mouse when built with ncurses.
# Thomas Dickey
# <dickey invisible-island net>
# ------------------------------------------------------------------------------
# key.c    |   81 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++---
# layout.c |    8 ++++++
# 2 files changed, 86 insertions(+), 3 deletions(-)
# ------------------------------------------------------------------------------
Index: src/key.c
--- mc-4.6.1+/src/key.c	2005-06-08 12:27:19.000000000 +0000
+++ mc-4.6.1-20060912/src/key.c	2006-09-12 20:40:11.000000000 +0000
@@ -488,6 +488,67 @@
     static int clicks;
     static int last_btn = 0;
 
+#if defined(USE_NCURSES) && defined(KEY_MOUSE)
+    MEVENT event;
+    int button;
+
+    getmouse(&event);
+    ev->x = event.x + 1;
+    ev->y = event.y + 1;
+    ev->buttons = 0;
+    ev->type = 0;
+
+    btn = -1;
+    for (button = 1; button <= 3; ++button) {
+	if (BUTTON_RELEASE(event.bstate, button)) {
+	    btn = 3;
+	    break;
+	} else if (BUTTON_PRESS(event.bstate, button)) {
+	    btn = button - 1;
+	    break;
+	}
+    }
+
+    if (btn == 3){
+	if (last_btn) {
+	    ev->type = GPM_UP | (GPM_SINGLE << clicks);
+	    ev->buttons = 0;
+	    last_btn = 0;
+	    GET_TIME (tv1);
+	    clicks = 0;
+	} else {
+	    /* Bogus event, maybe mouse wheel */
+	    ev->type = 0;
+	}
+    } else {
+        ev->type = GPM_DOWN;
+	GET_TIME (tv2);
+	if (tv1.tv_sec && (DIF_TIME (tv1,tv2) < double_click_speed)){
+	    clicks++;
+	    clicks %= 3;
+	} else
+	    clicks = 0;
+	
+        switch (btn) {
+	case 0:
+            ev->buttons = GPM_B_LEFT;
+            break;
+	case 1:
+            ev->buttons = GPM_B_MIDDLE;
+            break;
+	case 2:
+            ev->buttons = GPM_B_RIGHT;
+            break;
+	default:
+            /* Nothing */
+	    ev->type = 0;
+	    ev->buttons = 0;
+            break;
+        }
+	last_btn = ev->buttons;
+    }
+#else
+
     /* Decode Xterm mouse information to a GPM style event */
 
     /* Variable btn has following meaning: */
@@ -545,6 +606,7 @@
     /* Transform them to 1-based */
     ev->x = getch () - 32;
     ev->y = getch () - 32;
+#endif
 }
 
 static key_def *create_sequence (const char *seq, int code, int action)
@@ -756,9 +818,10 @@
     return (mod | c);
 }
 
-int get_key_code (int no_delay)
+int get_key_code (int arg_delay)
 {
     int c;
+    int no_delay = (arg_delay > 0);
     static key_def *this = NULL, *parent;
     static struct timeval esctime = { -1, -1 };
     static int lastnodelay = -1;
@@ -795,6 +858,17 @@
     if (c == KEY_RESIZE)
         goto nodelay_try_again;
 #endif
+#if defined(USE_NCURSES) && defined(KEY_MOUSE)
+    if (c == KEY_MOUSE) {
+	if (arg_delay) {	/* guess we're called from get_event() */
+	    return c;
+	} else {
+	    MEVENT event;
+	    getmouse(&event);
+	    goto nodelay_try_again;
+	}
+    }
+#endif
     if (no_delay) {
         nodelay (stdscr, FALSE);
         if (c == -1) {
@@ -961,7 +1035,7 @@
 	    try_channels (0);
 
 	/* Try to get a character */
-	c = get_key_code (0);
+	c = get_key_code (-1);
 	if (c != -1)
 	    break;
 	/* Failed -> wait 0.1 secs and try again */
@@ -1176,8 +1250,9 @@
     
     keypad(stdscr, FALSE); /* disable intepreting keys by ncurses */
     c = getch ();
-    while (c == -1)
+    while (c == -1) {
         c = getch (); /* Sanity check, should be unnecessary */
+    }
     learn_store_key (buffer, &p, c);
     GET_TIME (endtime);
     endtime.tv_usec += LEARN_TIMEOUT;
Index: src/layout.c
--- mc-4.6.1+/src/layout.c	2005-05-27 14:19:18.000000000 +0000
+++ mc-4.6.1-20060912/src/layout.c	2006-09-12 21:20:49.000000000 +0000
@@ -598,6 +598,14 @@
     keypad (stdscr, TRUE);
     nodelay (stdscr, FALSE);
     init_colors ();
+#if defined(USE_NCURSES) && defined(KEY_MOUSE)
+    mouseinterval(0);
+    mousemask(
+	    BUTTON1_RELEASED|	BUTTON1_PRESSED	|
+	    BUTTON2_RELEASED|	BUTTON2_PRESSED	|
+	    BUTTON3_RELEASED|	BUTTON3_PRESSED	,
+	    (mmask_t *) 0);
+#endif
     if (force_ugly_line_drawing) {
 	for (i = 0; acs_approx[i].acscode != 0; i++) {
 	    acs_map[acs_approx[i].acscode] = acs_approx[i].character;