[Bug 6432] New: rapidly flashing cursor mouse.c (patch)

Wine Bugs wine-bugs at winehq.org
Fri Oct 13 06:17:28 CDT 2006


           Summary: rapidly flashing cursor mouse.c (patch)
           Product: Wine
           Version: CVS
          Platform: PC-x86-64
               URL: http://comptune.com/forums/viewtopic.php?t=253
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: wine-x11driver
        AssignedTo: wine-bugs at winehq.org
        ReportedBy: nospam at thenerdshow.com

You can play Dark Age of Camelot in wine by faking wine into thinking 12 bit
color is a supported format and running login.dll directly. When the game is
started the cursor switches from the normal black to white and it looks fine.
However, once game.dll is loaded, the cursor rapidly flashes and this makes it
almost invisible. Game play and testing is difficult at best with this (nearly)
invisible mouse.

I have made the following patch that fixes the problem of the flashing mouse
cursor in Dark Age of Camelog without breaking other d3d apps I have tested,
including Warcraft III and Minions of Mirth.

I'm still fairly new at hacking wine... This patch prevents wine from creating a
null cursor. The only problem might be a cosmetic one, where an application
tries to hide the cursor when displaying a video for example. Therefore, I am
seeking a better solution.

diff --git a/dlls/winex11.drv/mouse.c b/dlls/winex11.drv/mouse.c
index 5ac714c..07cb0b1 100644
--- a/dlls/winex11.drv/mouse.c
+++ b/dlls/winex11.drv/mouse.c
@@ -642,6 +642,8 @@ static Cursor create_cursor( Display *di
 void X11DRV_SetCursor( CURSORICONINFO *lpCursor )
+    if (!lpCursor) return; /* Hack: prevent disappearing cursor in Dark Age
     Cursor cursor;

     if (root_window != DefaultRootWindow(gdi_display))

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