[Bug 66] PrgWin95: Custom cursor display bug

Wine Bugs wine-bugs at winehq.org
Wed Feb 23 16:11:11 CST 2005


http://bugs.winehq.org/show_bug.cgi?id=66





------- Additional Comments From us at the-edmeades.demon.co.uk  2005-23-02 16:11 -------
This is not going to be fixed in a hurry... I looked into this and the problem 
is the use of the XOR bits of the cursor. From the comment in x11drv/mouse.c: 
 
* We have to do some magic here, as cursors are not fully 
* compatible between Windows and X11. Under X11, there 
* are only 3 possible color cursor: black, white and 
* masked. So we map the 4th Windows color (invert the 
* bits on the screen) to black and an additional white bit on 
* an other place (+1,+1). This require some boolean arithmetic: 
 
If you look closely at the cursor, thats why it looks odd. The cursor is 
stripes of black, white, XOR and AND - The XOR is emulated by producing a 
shadow (which doesnt look great, but I suspect its the specific cursor being 
done here) 
 

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