From 50306d8d6e20ede70c2dea274ae1099082aea88f Mon Sep 17 00:00:00 2001
From: notaz <notasas@gmail.com>
Date: Sun, 30 Oct 2011 21:18:18 +0200
Subject: [PATCH] frontend: input: make in_ts use ts_gun

..to stop them stealing each other's events
---
 frontend/in_tsbutton.c | 17 ++++-------------
 frontend/pl_gun_ts.c   | 30 +++++++++++++++++++++++++++---
 frontend/pl_gun_ts.h   |  3 +++
 3 files changed, 34 insertions(+), 16 deletions(-)

diff --git a/frontend/in_tsbutton.c b/frontend/in_tsbutton.c
index 4e2cef02..84d6895c 100644
--- a/frontend/in_tsbutton.c
+++ b/frontend/in_tsbutton.c
@@ -12,6 +12,7 @@
 #include <tslib.h>
 
 #include "common/input.h"
+#include "pl_gun_ts.h"
 #include "in_tsbutton.h"
 
 #define IN_TSBUTTON_PREFIX "tsbutton:"
@@ -24,8 +25,6 @@ static int last_tsbutton_id;
 
 // HACK: stealing this from plugin_lib
 extern void *tsdev;
-extern int (*pts_read)(struct tsdev *dev, struct ts_sample *sample, int nr);
-extern int (*pts_fd)(struct tsdev *dev);
 
 static const char * const in_tsbutton_keys[IN_TSBUTTON_COUNT] = {
 	"TS1", "TS2", "TS3", "TS4",
@@ -40,7 +39,7 @@ static void in_tsbutton_probe(void)
 	}
 
 	in_register(IN_TSBUTTON_PREFIX "touchscreen as buttons",
-		pts_fd(dev), NULL, IN_TSBUTTON_COUNT, in_tsbutton_keys, 0);
+		pl_gun_ts_get_fd(dev), NULL, IN_TSBUTTON_COUNT, in_tsbutton_keys, 0);
 }
 
 static const char * const *
@@ -53,20 +52,12 @@ in_tsbutton_get_key_names(int *count)
 static int update_button(void)
 {
 	struct tsdev *dev = tsdev;
-	struct ts_sample sample;
-	int sx = 0, sy = 0, sp = 0, updated = 0;
+	int sx = 0, sy = 0, sp = 0;
 
 	if (dev == NULL)
 		return -1;
 
-	while (pts_read(dev, &sample, 1) > 0) {
-		sx = sample.x;
-		sy = sample.y;
-		sp = sample.pressure;
-		updated = 1;
-	}
-
-	if (updated) {
+	if (pl_gun_ts_update_raw(dev, &sx, &sy, &sp)) {
 		if (sp == 0)
 			tsbutton_down_id = -1;
 		else {
diff --git a/frontend/pl_gun_ts.c b/frontend/pl_gun_ts.c
index 2c022513..de7fe112 100644
--- a/frontend/pl_gun_ts.c
+++ b/frontend/pl_gun_ts.c
@@ -19,14 +19,14 @@
 
 static int gun_x, gun_y, gun_in;
 static int ts_multiplier_x, ts_multiplier_y, ts_offs_x, ts_offs_y;
-int (*pts_read)(struct tsdev *dev, struct ts_sample *sample, int nr);
-int (*pts_fd)(struct tsdev *dev);
+static int (*pts_read)(struct tsdev *dev, struct ts_sample *sample, int nr);
+static int (*pts_fd)(struct tsdev *dev);
 
 #define limit(v, min, max) \
 	if (v < min) v = min; \
 	else if (v > max) v = max
 
-void pl_gun_ts_update(struct tsdev *ts, int *x, int *y, int *in)
+int pl_gun_ts_update_raw(struct tsdev *ts, int *x, int *y, int *p)
 {
 	struct ts_sample sample;
 	int sx = 0, sy = 0, sp = 0, updated = 0;
@@ -51,6 +51,20 @@ void pl_gun_ts_update(struct tsdev *ts, int *x, int *y, int *in)
 		}
 	}
 
+	if (updated) {
+		if (x) *x = sx;
+		if (y) *y = sy;
+		if (p) *p = sp;
+		return 1;
+	}
+
+	return 0;
+}
+
+void pl_gun_ts_update(struct tsdev *ts, int *x, int *y, int *in)
+{
+	pl_gun_ts_update_raw(ts, NULL, NULL, NULL);
+
 	*x = gun_x;
 	*y = gun_y;
 	*in = gun_in | in_state_gun;
@@ -64,6 +78,14 @@ void pl_set_gun_rect(int x, int y, int w, int h)
 	ts_multiplier_y = (1<<20) / h;
 }
 
+int pl_gun_ts_get_fd(struct tsdev *ts)
+{
+	if (ts != NULL && pts_fd != NULL)
+		return pts_fd(ts);
+
+	return -1;
+}
+
 struct tsdev *pl_gun_ts_init(void)
 {
 	struct tsdev *(*pts_open)(const char *dev_name, int nonblock) = NULL;
@@ -81,6 +103,8 @@ struct tsdev *pl_gun_ts_init(void)
 	ltsh = dlopen("/usr/lib/libts-1.0.so.0", RTLD_NOW|RTLD_GLOBAL);
 	if (ltsh == NULL)
 		ltsh = dlopen("/usr/lib/libts-0.0.so.0", RTLD_NOW|RTLD_GLOBAL);
+	if (ltsh == NULL)
+		ltsh = dlopen("/lib/libts-0.0.so.0", RTLD_NOW|RTLD_GLOBAL);
 	if (ltsh == NULL) {
 		fprintf(stderr, "%s\n", dlerror());
 		goto fail;
diff --git a/frontend/pl_gun_ts.h b/frontend/pl_gun_ts.h
index c68272a4..4e15f005 100644
--- a/frontend/pl_gun_ts.h
+++ b/frontend/pl_gun_ts.h
@@ -6,6 +6,9 @@ struct tsdev *pl_gun_ts_init(void);
 void pl_gun_ts_update(struct tsdev *ts, int *x, int *y, int *in);
 void pl_set_gun_rect(int x, int y, int w, int h);
 
+int pl_gun_ts_update_raw(struct tsdev *ts, int *x, int *y, int *p);
+int pl_gun_ts_get_fd(struct tsdev *ts);
+
 #else
 
 #define pl_gun_ts_init() NULL
-- 
2.39.5