diff options
| -rw-r--r-- | src/mouse.c | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/src/mouse.c b/src/mouse.c index aff2512..23dc726 100644 --- a/src/mouse.c +++ b/src/mouse.c @@ -1301,8 +1301,8 @@ MouseReadInput(InputInfoPtr pInfo) buttons = (pMse->lastButtons & 2) | ((int)(pBuf[0] & 0x20) >> 3) | ((int)(pBuf[0] & 0x10) >> 4); - dx = (char)(((pBuf[0] & 0x03) << 6) | (pBuf[1] & 0x3F)); - dy = (char)(((pBuf[0] & 0x0C) << 4) | (pBuf[2] & 0x3F)); + dx = (signed char)(((pBuf[0] & 0x03) << 6) | (pBuf[1] & 0x3F)); + dy = (signed char)(((pBuf[0] & 0x0C) << 4) | (pBuf[2] & 0x3F)); break; case PROT_GLIDE: /* ALPS GlidePoint */ @@ -1311,14 +1311,14 @@ MouseReadInput(InputInfoPtr pInfo) buttons = (pMse->lastButtons & (8 + 2)) | ((int)(pBuf[0] & 0x20) >> 3) | ((int)(pBuf[0] & 0x10) >> 4); - dx = (char)(((pBuf[0] & 0x03) << 6) | (pBuf[1] & 0x3F)); - dy = (char)(((pBuf[0] & 0x0C) << 4) | (pBuf[2] & 0x3F)); + dx = (signed char)(((pBuf[0] & 0x03) << 6) | (pBuf[1] & 0x3F)); + dy = (signed char)(((pBuf[0] & 0x0C) << 4) | (pBuf[2] & 0x3F)); break; case PROT_MSC: /* Mouse Systems Corp */ buttons = (~pBuf[0]) & 0x07; - dx = (char)(pBuf[1]) + (char)(pBuf[3]); - dy = - ((char)(pBuf[2]) + (char)(pBuf[4])); + dx = (signed char)(pBuf[1]) + (char)(pBuf[3]); + dy = - ((signed char)(pBuf[2]) + (char)(pBuf[4])); break; case PROT_MMHIT: /* MM_HitTablet */ @@ -1346,8 +1346,8 @@ MouseReadInput(InputInfoPtr pInfo) case PROT_BM: /* BusMouse */ buttons = (~pBuf[0]) & 0x07; - dx = (char)pBuf[1]; - dy = - (char)pBuf[2]; + dx = (signed char)pBuf[1]; + dy = - (signed char)pBuf[2]; break; case PROT_PS2: /* PS/2 mouse */ @@ -1511,8 +1511,8 @@ MouseReadInput(InputInfoPtr pInfo) buttons = ((int)(pBuf[0] & 0x20) >> 3) | ((int)(pBuf[0] & 0x10) >> 4) | ((int)(pBuf[3] & 0x10) >> 3); - dx = (char)(((pBuf[0] & 0x03) << 6) | (pBuf[1] & 0x3F)); - dy = (char)(((pBuf[0] & 0x0C) << 4) | (pBuf[2] & 0x3F)); + dx = (signed char)(((pBuf[0] & 0x03) << 6) | (pBuf[1] & 0x3F)); + dy = (signed char)(((pBuf[0] & 0x0C) << 4) | (pBuf[2] & 0x3F)); dz = (pBuf[3] & 0x08) ? ((int)(pBuf[3] & 0x0F) - 0x10) : ((int)(pBuf[3] & 0x0F)); break; |