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fix up middle-click mouse scroll

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This commit is contained in:
nehalmistry 2003-04-25 16:33:58 +00:00
parent 5083dc877f
commit 53abfb7932
1 changed files with 20 additions and 5 deletions

25
src/ui/mouse.cpp
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@ -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;