From 53abfb7932a5487fbee9aab321c0e65c8ceab9cc Mon Sep 17 00:00:00 2001
From: nehalmistry <>
Date: Fri, 25 Apr 2003 16:33:58 +0000
Subject: [PATCH] fix up middle-click mouse scroll
---
src/ui/mouse.cpp | 25 ++++++++++++++++++++-----
1 file changed, 20 insertions(+), 5 deletions(-)
diff --git a/src/ui/mouse.cpp b/src/ui/mouse.cpp
index 4e3368dce..506a7368a 100644
--- a/src/ui/mouse.cpp
+++ b/src/ui/mouse.cpp
@@ -648,17 +648,32 @@ global void UIHandleMouseMove(int x,int y)
if( KeyModifiers&ModifierControl ) {
scroll=2;
} else {
- scroll=4;
+ scroll=1;
}
+#ifdef WIN32
+ scroll*=2;
+#endif
+
xo = TheUI.MouseViewport->MapX;
yo = TheUI.MouseViewport->MapY;
if( TheUI.ReverseMouseMove ) {
- xo+=(CursorStartX-x)/scroll;
- yo+=(CursorStartY-y)/scroll;
+ if (x < CursorStartX) {
+ xo+=scroll;
+ } else if (x > CursorStartX) {
+ xo-=scroll;
+ }
} else {
- xo+=(x-CursorStartX)/scroll;
- yo+=(y-CursorStartY)/scroll;
+ if (x < CursorStartX) {
+ xo-=scroll;
+ } else if (x > CursorStartX) {
+ xo+=scroll;
+ }
+ if (y < CursorStartY) {
+ yo-=scroll;
+ } else if (y > CursorStartY) {
+ yo+=scroll;
+ }
}
TheUI.WarpX=CursorStartX;
TheUI.WarpY=CursorStartY;