From 1711a426f84b59f6f0507401f857d2faf09ff622 Mon Sep 17 00:00:00 2001
From: James Booth <boothj5@gmail.com>
Date: Tue, 20 Nov 2012 01:53:30 +0000
Subject: Added basic mouse wheel handling

---
 src/input_win.c |  2 +-
 src/windows.c   | 33 ++++++++++++++++++++++++++++++++-
 2 files changed, 33 insertions(+), 2 deletions(-)

diff --git a/src/input_win.c b/src/input_win.c
index 7d5a7485..fa61e1e3 100644
--- a/src/input_win.c
+++ b/src/input_win.c
@@ -367,7 +367,7 @@ static int
 _printable(const int ch)
 {
    return (ch != ERR && ch != '\n' &&
-            ch != KEY_PPAGE && ch != KEY_NPAGE &&
+            ch != KEY_PPAGE && ch != KEY_NPAGE && ch != KEY_MOUSE &&
             ch != KEY_F(1) && ch != KEY_F(2) && ch != KEY_F(3) &&
             ch != KEY_F(4) && ch != KEY_F(5) && ch != KEY_F(6) &&
             ch != KEY_F(7) && ch != KEY_F(8) && ch != KEY_F(9) &&
diff --git a/src/windows.c b/src/windows.c
index 1881f23a..e4718b5e 100644
--- a/src/windows.c
+++ b/src/windows.c
@@ -107,6 +107,8 @@ gui_init(void)
     initscr();
     cbreak();
     keypad(stdscr, TRUE);
+    mousemask(ALL_MOUSE_EVENTS, NULL);
+    mouseinterval(5);
 
     if (has_colors()) {
         use_default_colors();
@@ -1761,8 +1763,37 @@ _win_handle_page(const int * const ch)
     int page_space = rows - 4;
     int *page_start = &_wins[_curr_prof_win].y_pos;
 
+    MEVENT mouse_event;
+
+    if (*ch == KEY_MOUSE) {
+        if (getmouse(&mouse_event) == OK) {
+            if (mouse_event.bstate & BUTTON2_PRESSED) { // mouse wheel down
+                (*page_start)++;
+
+                // only got half a screen, show full screen
+                if ((y - (*page_start)) < page_space)
+                    *page_start = y - page_space;
+
+                // went past end, show full screen
+                else if (*page_start >= y)
+                    *page_start = y - page_space;
+
+                _wins[_curr_prof_win].paged = 1;
+                dirty = TRUE;
+            } else if (mouse_event.bstate & BUTTON4_PRESSED) { // mouse wheel up
+                (*page_start)--;
+
+                // went past beginning, show first page
+                if (*page_start < 0)
+                    *page_start = 0;
+
+                _wins[_curr_prof_win].paged = 1;
+                dirty = TRUE;
+            }
+        }
+
     // page up
-    if (*ch == KEY_PPAGE) {
+    } else if (*ch == KEY_PPAGE) {
         *page_start -= page_space;
 
         // went past beginning, show first page
-- 
cgit 1.4.1-2-gfad0