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Bugfix 7733

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New mouse scrollwheels allowing higher precision didn't work in Windows.
Code was assuming only value of +120 or -120 were returned.
This commit is contained in:
Ton Roosendaal 2007-11-13 18:01:01 +00:00
parent 1ece8b81cb
commit ec686f581c
1 changed files with 6 additions and 2 deletions
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8
intern/ghost/intern/GHOST_SystemWin32.cpp
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@ -54,7 +54,7 @@
#define WM_MOUSEWHEEL 0x020A
#endif // WM_MOUSEWHEEL
#ifndef WHEEL_DELTA
#define WHEEL_DELTA 120 /* Value for rolling one detent */
#define WHEEL_DELTA 120 /* Value for rolling one detent, (old convention! MS changed it) */
#endif // WHEEL_DELTA
@ -479,7 +479,11 @@ GHOST_EventWheel* GHOST_SystemWin32::processWheelEvent(GHOST_IWindow *window, WP
{
// short fwKeys = LOWORD(wParam); // key flags
int zDelta = (short) HIWORD(wParam); // wheel rotation
zDelta /= WHEEL_DELTA;
// zDelta /= WHEEL_DELTA;
// temporary fix below: microsoft now has added more precision, making the above division not work
if (zDelta <= 0 ) zDelta= -1; else zDelta= 1;
// short xPos = (short) LOWORD(lParam); // horizontal position of pointer
// short yPos = (short) HIWORD(lParam); // vertical position of pointer
return new GHOST_EventWheel (getSystem()->getMilliSeconds(), window, zDelta);