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Diffstat (limited to 'src/common.h')
| -rw-r--r-- | src/common.h | 95 |
1 files changed, 0 insertions, 95 deletions
diff --git a/src/common.h b/src/common.h deleted file mode 100644 index 32be48d..0000000 --- a/src/common.h +++ /dev/null @@ -1,95 +0,0 @@ -/*************************************************************************** - * - * Multitouch X driver - * Copyright (C) 2008 Henrik Rydberg <rydberg@euromail.se> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - * - **************************************************************************/ - -#ifndef COMMON_H -#define COMMON_H - -#include "xorg-server.h" -#include <xf86.h> -#include <xf86_OSproc.h> -#include <xf86Xinput.h> -#include <linux/input.h> -#include <errno.h> -#include <match/match.h> - -/* includes available in 2.6.30-rc5 */ - -#ifndef BTN_TOOL_QUADTAP -#define BTN_TOOL_QUADTAP 0x14f /* Four fingers on trackpad */ -#define ABS_MT_TOUCH_MAJOR 0x30 /* Major axis of touching ellipse */ -#define ABS_MT_TOUCH_MINOR 0x31 /* Minor axis (omit if circular) */ -#define ABS_MT_WIDTH_MAJOR 0x32 /* Major axis of approaching ellipse */ -#define ABS_MT_WIDTH_MINOR 0x33 /* Minor axis (omit if circular) */ -#define ABS_MT_ORIENTATION 0x34 /* Ellipse orientation */ -#define ABS_MT_POSITION_X 0x35 /* Center X ellipse position */ -#define ABS_MT_POSITION_Y 0x36 /* Center Y ellipse position */ -#define ABS_MT_TOOL_TYPE 0x37 /* Type of touching device */ -#define ABS_MT_BLOB_ID 0x38 /* Group a set of packets as a blob */ -#define SYN_MT_REPORT 2 -#define MT_TOOL_FINGER 0 -#define MT_TOOL_PEN 1 -#endif - -/* includes available in 2.6.33 */ -#ifndef ABS_MT_PRESSURE -#define ABS_MT_PRESSURE 0x3a /* Pressure on contact area */ -#endif - -#define SYSCALL(call) while (((call) == -1) && (errno == EINTR)) - -#define BITMASK(x) (1U << (x)) -#define BITONES(x) (BITMASK(x) - 1U) -#define GETBIT(m, x) (((m) >> (x)) & 1U) -#define SETBIT(m, x) (m |= BITMASK(x)) -#define CLEARBIT(m, x) (m &= ~BITMASK(x)) - -static inline int maxval(int x, int y) { return x > y ? x : y; } -static inline int minval(int x, int y) { return x < y ? x : y; } - -static inline int clamp15(int x) -{ - return x < -32767 ? -32767 : x > 32767 ? 32767 : x; -} - -/* absolute scale is assumed to fit in 15 bits */ -static inline int dist2(int dx, int dy) -{ - dx = clamp15(dx); - dy = clamp15(dy); - return dx * dx + dy * dy; -} - -/* Count number of bits (Sean Eron Andersson's Bit Hacks) */ -static inline int bitcount(unsigned v) -{ - v -= ((v>>1) & 0x55555555); - v = (v&0x33333333) + ((v>>2) & 0x33333333); - return (((v + (v>>4)) & 0xF0F0F0F) * 0x1010101) >> 24; -} - -/* Return index of first bit [0-31], -1 on zero */ -#define firstbit(v) (__builtin_ffs(v) - 1) - -/* boost-style foreach bit */ -#define foreach_bit(i, m) \ - for (i = firstbit(m); i >= 0; i = firstbit((m) & (~0U << i + 1))) - -#endif |