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author | Peter Hutterer <peter.hutterer@who-t.net> | 2011-01-17 10:57:14 +1000 |
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committer | Peter Hutterer <peter.hutterer@who-t.net> | 2011-05-20 14:28:59 +1000 |
commit | bd68738afc52268f039ff65a87937b54ee164a7d (patch) | |
tree | 0b155f411d06c113788d54a2307c6aceefddd601 | |
parent | 54ea00b57859e34847cf96f91f0585ee8d803006 (diff) | |
download | xf86-input-wacom-bd68738afc52268f039ff65a87937b54ee164a7d.tar.gz |
Add some more comments to help explain things.
-rw-r--r-- | src/wcmCommon.c | 6 | ||||
-rw-r--r-- | src/xf86Wacom.c | 5 |
2 files changed, 9 insertions, 2 deletions
diff --git a/src/wcmCommon.c b/src/wcmCommon.c index 35c0156..48a042d 100644 --- a/src/wcmCommon.c +++ b/src/wcmCommon.c @@ -1620,7 +1620,8 @@ static void wcmInitialTVScreens(LocalDevicePtr local) priv->tvoffsetY = 0; } - /* default resolution */ + /* default resolution. this should never be hit since we + * always set the tvresolution from wacomcpl */ if(!priv->tvResolution[0]) { priv->tvResolution[0] = screenInfo.screens[0]->width/2; @@ -1638,7 +1639,8 @@ static void wcmInitialTVScreens(LocalDevicePtr local) priv->tvoffsetY = 60; } - /* default resolution */ + /* default resolution. this should never be hit since we + * always set the tvresolution from wacomcpl */ if(!priv->tvResolution[0]) { priv->tvResolution[0] = screenInfo.screens[0]->width; diff --git a/src/xf86Wacom.c b/src/xf86Wacom.c index dd66ec8..bcbb2e1 100644 --- a/src/xf86Wacom.c +++ b/src/xf86Wacom.c @@ -361,6 +361,11 @@ void wcmInitialCoordinates(LocalDevicePtr local, int axis) wcmMappingFactor(local); + /* wcmMappingFactor calls wcmVirtualTabletSize. so once we're here, + * sizeX contains the total width in device coordinates accounting + * for multiple screens (not the _actual width of the tablet, see + * wcmVirtualTabletSize) + */ if (priv->flags & ABSOLUTE_FLAG) { topx = priv->topX; |