From cc9ffd1e60a2e32b54d04990fc4f86739a6ad619 Mon Sep 17 00:00:00 2001
From: Allanis <allanis@saracraft.net>
Date: Fri, 19 Apr 2013 20:22:04 +0100
Subject: [PATCH] [Add] Support for mousewheel to zoom in/out of map.

---
 src/map.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/map.c b/src/map.c
index d368ad8..ba56538 100644
--- a/src/map.c
+++ b/src/map.c
@@ -219,6 +219,11 @@ static void map_mouse(SDL_Event* event, double mx, double my) {
 
   switch(event->type) {
   case SDL_MOUSEBUTTONDOWN:
+    if(event->button.button == SDL_BUTTON_WHEELUP)
+      map_buttonZoom("btnZoomOut");
+    else if(event->button.button == SDL_BUTTON_WHEELDOWN)
+      map_buttonZoom("btnZoomIn");
+
     // Selecting star system.
     for(i = 0; i < systems_nstack; i++) {
       x = systems_stack[i].pos.x * map_zoom;