From 8ad4f44fa747a32e0d476971beeaf2c0550f16e5 Mon Sep 17 00:00:00 2001
From: dshaligram <dshaligram@c06c8d41-db1a-0410-9941-cceddc491573>
Date: Wed, 20 Jun 2007 19:00:52 +0000
Subject: Experimental mouse support for ncurses (enable with mouse_input=yes
 in .crawlrc).

git-svn-id: https://crawl-ref.svn.sourceforge.net/svnroot/crawl-ref/trunk@1610 c06c8d41-db1a-0410-9941-cceddc491573
---
 crawl-ref/source/libunix.cc | 78 ++++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 77 insertions(+), 1 deletion(-)

(limited to 'crawl-ref/source/libunix.cc')

diff --git a/crawl-ref/source/libunix.cc b/crawl-ref/source/libunix.cc
index 7af2b38f3e..84d0beaa80 100644
--- a/crawl-ref/source/libunix.cc
+++ b/crawl-ref/source/libunix.cc
@@ -43,6 +43,7 @@
 #include "libunix.h"
 #include "defines.h"
 
+#include "cio.h"
 #include "enum.h"
 #include "externs.h"
 #include "files.h"
@@ -225,10 +226,83 @@ static void termio_init()
     crawl_state.terminal_resize_handler = unix_handle_terminal_resize;
 }
 
+void set_mouse_enabled(bool enabled)
+{
+#ifdef NCURSES_MOUSE_VERSION
+    const int mask = enabled? ALL_MOUSE_EVENTS | REPORT_MOUSE_POSITION : 0;
+    mousemask(mask, NULL);
+#endif
+}
+
+#ifdef NCURSES_MOUSE_VERSION
+static int proc_mouse_event(int c, const MEVENT *me)
+{
+    crawl_view.mousep.x = me->x + 1;
+    crawl_view.mousep.y = me->y + 1;
+
+    if (!crawl_state.mouse_enabled)
+        return (CK_MOUSE_MOVE);
+
+    c_mouse_event cme(crawl_view.mousep);
+    if (me->bstate & BUTTON1_CLICKED)
+        cme.bstate |= c_mouse_event::BUTTON1;
+    else if (me->bstate & BUTTON1_DOUBLE_CLICKED)
+        cme.bstate |= c_mouse_event::BUTTON1_DBL;
+    else if (me->bstate & BUTTON2_CLICKED)
+        cme.bstate |= c_mouse_event::BUTTON2;
+    else if (me->bstate & BUTTON2_DOUBLE_CLICKED)
+        cme.bstate |= c_mouse_event::BUTTON2_DBL;
+    else if (me->bstate & BUTTON3_CLICKED)
+        cme.bstate |= c_mouse_event::BUTTON3;
+    else if (me->bstate & BUTTON3_DOUBLE_CLICKED)
+        cme.bstate |= c_mouse_event::BUTTON3_DBL;
+    else if (me->bstate & BUTTON4_CLICKED)
+        cme.bstate |= c_mouse_event::BUTTON4;
+    else if (me->bstate & BUTTON4_DOUBLE_CLICKED)
+        cme.bstate |= c_mouse_event::BUTTON4_DBL;
+    
+    if (cme)
+    {
+        new_mouse_event(cme);
+        return (CK_MOUSE_CLICK);
+    }
+
+    return (CK_MOUSE_MOVE);
+}
+#endif
+
+static int raw_m_getch()
+{
+    const int c = getch();
+    switch (c)
+    {
+#ifdef NCURSES_MOUSE_VERSION
+    case KEY_MOUSE:
+    {
+        MEVENT me;
+        getmouse(&me);
+        return (proc_mouse_event(c, &me));
+    }
+#endif
+    default:
+        return (c);
+    }
+}
+
+int m_getch()
+{
+    int c;
+    do
+        c = raw_m_getch();
+    while ((c == CK_MOUSE_MOVE || c == CK_MOUSE_CLICK)
+           && !crawl_state.mouse_enabled);
+
+    return (c);
+}
 
 int getch_ck()
 {
-    int c = getch();
+    int c = m_getch();
     switch (c)
     {
     // [dshaligram] MacOS ncurses returns 127 for backspace.
@@ -389,6 +463,8 @@ void unixcurses_startup( void )
 
     crawl_view.init_geometry();
     setup_message_window();
+
+    set_mouse_enabled(false);
 }
 
 void unixcurses_shutdown()
-- 
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