diff options
| author | Jan Kiszka <jan.kiszka@siemens.com> | 2011-07-30 07:18:41 +0200 |
|---|---|---|
| committer | Andrzej Zaborowski <andrew.zaborowski@intel.com> | 2011-07-30 07:18:41 +0200 |
| commit | 8534b8ba337e55031592144ea524f7bcaf144113 (patch) | |
| tree | 90ac74de37fdd6603846b93387ec58d4c64aa39c | |
| parent | 3bf11207c0676cfd29a3c76c6709fdf9a983c0c8 (diff) | |
| download | qemu-8534b8ba337e55031592144ea524f7bcaf144113.tar.gz | |
usb-hid: Fix 0/0 position for Windows in tablet mode
For unknown reasons, Windows drivers (tested with XP and Win7) ignore
usb-tablet events that move the pointer to 0/0. So always report 0/0 as
1/0.
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Andrzej Zaborowski <andrew.zaborowski@intel.com>
| -rw-r--r-- | hw/usb-hid.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/hw/usb-hid.c b/hw/usb-hid.c index b812da2a6a..9008320c86 100644 --- a/hw/usb-hid.c +++ b/hw/usb-hid.c @@ -459,6 +459,11 @@ static void usb_pointer_event_combine(USBPointerEvent *e, int xyrel, } else { e->xdx = x1; e->ydy = y1; + /* Windows drivers do not like the 0/0 position and ignore such + * events. */ + if (!(x1 | y1)) { + x1 = 1; + } } e->dz += z1; } |