refactor: Replace hwdata by mtdev

This patch makes the switch, from using hwdata and the associated
type A parser, to using mtdev and the associated type B parser.
A command-line gesture test program is included.

Signed-off-by: Henrik Rydberg <rydberg@euromail.se>

6 files changed, 32 insertions, 105 deletions

diff --git a/include/gestures.h b/include/gestures.h
index 2bd4a55..1d70a25 100644
--- a/include/gestures.h
+++ b/include/gestures.h
@@ -39,5 +39,6 @@ struct Gestures {
 };
 
 void extract_gestures(struct Gestures *gs, struct MTouch* mt);
+void output_gesture(const struct Gestures *gs);
 
 #endif
diff --git a/include/hwdata.h b/include/hwdata.h
deleted file mode 100644
index 21864dc..0000000
--- a/include/hwdata.h
+++ /dev/null
@@ -1,75 +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 HWDATA_H
-#define HWDATA_H
-
-#include "common.h"
-#include "button.h"
-
-#define BIT_MT_TOUCH_MAJOR 0
-#define BIT_MT_TOUCH_MINOR 1
-#define BIT_MT_WIDTH_MAJOR 2
-#define BIT_MT_WIDTH_MINOR 3
-#define BIT_MT_ORIENTATION 4
-#define BIT_MT_PRESSURE 5
-#define BIT_MT_POSITION_X 6
-#define BIT_MT_POSITION_Y 7
-#define BIT_MT_CNT 8
-
-struct FingerData {
-	int touch_major, touch_minor;
-	int width_major, width_minor;
-	int orientation, pressure;
-	int position_x, position_y;
-};
-
-/**
- * struct HWData - hardware reads
- *
- * @finger: finger data
- * @mask: bits corresponding to data actually read (readonly)
- * @mread: bits corresponding to data in progress (writeonly)
- * @button: bitmask of buttons
- * @nfinger: number of fingers actually read (readonly)
- * @nread: number of fingers in progress (writeonly)
- *
- */
-struct HWData {
-	struct FingerData finger[DIM_FINGER];
-	unsigned mask[DIM_FINGER], mread[DIM_FINGER];
-	unsigned button;
-	int nfinger, mtread, nread;
-	mstime_t evtime;
-};
-
-void init_hwdata(struct HWData *hw);
-int read_hwdata(struct HWData *hw, const struct input_event* ev);
-void output_hwdata(const struct HWData *hw);
-
-static inline int finger_dist2(const struct FingerData *a,
-			       const struct FingerData *b)
-{
-	return dist2(a->position_x - b->position_x,
-		     a->position_y - b->position_y);
-}
-
-#endif
diff --git a/include/hwstate.h b/include/hwstate.h
index 07d4ed6..4243292 100644
--- a/include/hwstate.h
+++ b/include/hwstate.h
@@ -22,26 +22,35 @@
 #ifndef HWSTATE_H
 #define HWSTATE_H
 
-#include "mtdev-caps.h"
-#include "hwdata.h"
+#include "mtdev.h"
 
-/* zero id means not mapped (not touching) */
 struct FingerState {
-	struct FingerData hw;
-	int id;
+	int touch_major, touch_minor;
+	int width_major, width_minor;
+	int orientation, pressure;
+	int position_x, position_y;
+	int tracking_id;
 };
 
 struct HWState {
-	struct FingerState finger[DIM_FINGER];
+	struct FingerState data[DIM_FINGER];
+	bitmask_t used;
+	bitmask_t slot;
 	bitmask_t button;
-	int nfinger;
 	mstime_t evtime;
-	int lastid;
 };
 
-void init_hwstate(struct HWState *s);
-void modify_hwstate(struct HWState *s,
-		    const struct HWData *hw,
-		    const struct Capabilities *caps);
+void init_hwstate(struct HWState *s,
+		  const struct Capabilities *caps);
+int modify_hwstate(struct HWState *s, struct MTDev *dev,
+		   const struct Capabilities *caps);
+void output_hwstate(const struct HWState *s);
+
+static inline int finger_dist2(const struct FingerState *a,
+			       const struct FingerState *b)
+{
+	return dist2(a->position_x - b->position_x,
+		     a->position_y - b->position_y);
+}
 
 #endif
diff --git a/include/mtdev-caps.h b/include/mtdev-caps.h
index 4460eca..727cd11 100644
--- a/include/mtdev-caps.h
+++ b/include/mtdev-caps.h
@@ -23,6 +23,7 @@
 #define MTDEV_CAPS_H
 
 #include "common.h"
+#include "button.h"
 #include "abs2mt.h"
 #include "mtbit.h"
 
diff --git a/include/mtouch.h b/include/mtouch.h
index a495960..2b76652 100644
--- a/include/mtouch.h
+++ b/include/mtouch.h
@@ -22,16 +22,13 @@
 #ifndef MTOUCH_H
 #define MTOUCH_H
 
-#include "mtdev-iobuf.h"
-#include "hwdata.h"
-#include "hwstate.h"
-#include "mtstate.h"
 #include "memory.h"
+#include "mtdev-iobuf.h"
 
 struct MTouch {
 	struct Capabilities caps;
+	struct MTDev dev;
 	struct IOBuffer buf;
-	struct HWData hw;
 	struct HWState hs;
 	struct MTState prev_state, state;
 	struct Memory mem;
@@ -41,9 +38,7 @@ int configure_mtouch(struct MTouch *mt, int fd);
 int open_mtouch(struct MTouch *mt, int fd);
 int close_mtouch(struct MTouch *mt, int fd);
 
-int read_synchronized_event(struct MTouch *mt, int fd);
-void parse_event(struct MTouch *mt);
-
+int parse_event(struct MTouch *mt, const struct input_event *ev);
 
 static inline void mt_delay_movement(struct MTouch *mt, int t)
 {
diff --git a/include/mtstate.h b/include/mtstate.h
index b6b8e8d..a474114 100644
--- a/include/mtstate.h
+++ b/include/mtstate.h
@@ -24,14 +24,10 @@
 
 #include "hwstate.h"
 
-struct MTFinger {
-	struct FingerData hw;
-	int id, thumb;
-};
-
 struct MTState {
-	struct MTFinger finger[DIM_FINGER];
+	struct FingerState finger[DIM_FINGER];
 	int nfinger;
+	bitmask_t thumb;
 	bitmask_t button;
 	mstime_t evtime;
 };
@@ -42,14 +38,14 @@ void extract_mtstate(struct MTState *s,
 		     const struct Capabilities *caps);
 void output_mtstate(const struct MTState *s);
 
-const struct MTFinger *find_finger(const struct MTState *s, int id);
+const struct FingerState *find_finger(const struct MTState *s, int id);
 
 
-static inline int center_dist2(const struct MTFinger *a,
+static inline int center_dist2(const struct FingerState *a,
 			       const struct Capabilities *caps)
 {
-	return dist2(a->hw.position_x - get_cap_xmid(caps),
-		     a->hw.position_y - get_cap_ymid(caps));
+	return dist2(a->position_x - get_cap_xmid(caps),
+		     a->position_y - get_cap_ymid(caps));
 }
 
 static inline int center_maxdist2(const struct Capabilities *caps)