From 612e82053d986df70bcc9c87038244eab8c3dc13 Mon Sep 17 00:00:00 2001
From: Keith Packard <keithp@keithp.com>
Date: Tue, 5 Nov 2002 05:28:34 +0000
Subject: [PATCH] Clean up touch screen hacks for controlling pointer on
 alternate screen

---
 hw/kdrive/fbdev/fbdev.c |  8 ++------
 hw/kdrive/linux/tslib.c |  6 ++----
 hw/kdrive/src/kdrive.h  | 12 +++++++++++-
 hw/kdrive/src/kinput.c  |  9 +++++----
 4 files changed, 20 insertions(+), 15 deletions(-)

diff --git a/hw/kdrive/fbdev/fbdev.c b/hw/kdrive/fbdev/fbdev.c
index ed08fdb62..7393ed8ac 100644
--- a/hw/kdrive/fbdev/fbdev.c
+++ b/hw/kdrive/fbdev/fbdev.c
@@ -21,7 +21,7 @@
  * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
  * PERFORMANCE OF THIS SOFTWARE.
  */
-/* $XFree86: xc/programs/Xserver/hw/kdrive/fbdev/fbdev.c,v 1.29 2002/09/29 23:39:46 keithp Exp $ */
+/* $XFree86: xc/programs/Xserver/hw/kdrive/fbdev/fbdev.c,v 1.31 2002/10/14 18:01:40 keithp Exp $ */
 
 #include "fbdev.h"
 
@@ -581,10 +581,6 @@ fbdevCreateColormap (ColormapPtr pmap)
     }
 }
 
-#ifdef TOUCHSCREEN
-int TsFbdev = -1;
-#endif
-
 Bool
 fbdevInitScreen (ScreenPtr pScreen)
 {
@@ -595,7 +591,7 @@ fbdevInitScreen (ScreenPtr pScreen)
     ShadowWindowProc	window;
 
 #ifdef TOUCHSCREEN
-    TsFbdev = pScreen->myNum;
+    KdTsPhyScreen = pScreen->myNum;
 #endif
 
     pScreen->CreateColormap = fbdevCreateColormap;
diff --git a/hw/kdrive/linux/tslib.c b/hw/kdrive/linux/tslib.c
index e8719d926..30413c0b4 100644
--- a/hw/kdrive/linux/tslib.c
+++ b/hw/kdrive/linux/tslib.c
@@ -1,5 +1,5 @@
 /*
- * $XFree86$
+ * $XFree86: xc/programs/Xserver/hw/kdrive/linux/tslib.c,v 1.1 2002/11/01 22:27:49 keithp Exp $
  * TSLIB based touchscreen driver for TinyX
  * Derived from ts.c by Keith Packard
  * Derived from ps2.c by Jim Gettys
@@ -57,8 +57,6 @@
 #include <tslib.h>
 
 static long lastx = 0, lasty = 0;
-int TsScreen;
-extern int TsFbdev;
 static struct tsdev *tsDev = NULL;
 
 void
@@ -84,7 +82,7 @@ TsRead (int tsPort, void *closure)
 	     * touch screen, if it is we send absolute coordinates. If not,
 	     * then we send delta's so that we can track the entire vga screen.
 	     */
-	    if (TsScreen == TsFbdev) {
+	    if (KdTsCurScreen == KdTsPhyScreen) {
 	    	flags = KD_BUTTON_1;
 	    	x = event.x;
 	    	y = event.y;
diff --git a/hw/kdrive/src/kdrive.h b/hw/kdrive/src/kdrive.h
index 9ddfa76ce..9f1466da9 100644
--- a/hw/kdrive/src/kdrive.h
+++ b/hw/kdrive/src/kdrive.h
@@ -21,7 +21,7 @@
  * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
  * PERFORMANCE OF THIS SOFTWARE.
  */
-/* $XFree86: xc/programs/Xserver/hw/kdrive/kdrive.h,v 1.26 2002/10/14 18:01:40 keithp Exp $ */
+/* $XFree86: xc/programs/Xserver/hw/kdrive/kdrive.h,v 1.27 2002/10/18 06:08:10 keithp Exp $ */
 
 #include <stdio.h>
 #include "X.h"
@@ -208,6 +208,16 @@ typedef struct _KdMouseInfo {
 
 extern KdMouseInfo	*kdMouseInfo;
 
+#ifdef TOUCHSCREEN
+/* 
+ * HACK! Send absolute events when touch screen is current,
+ * else send relative events.  Used to drive pointers on
+ * alternate screens with the touch screen
+ */
+extern int KdTsCurScreen;
+extern int KdTsPhyScreen;
+#endif
+
 KdMouseInfo *KdMouseInfoAdd (void);
 void	    KdParseMouse (char *);
 
diff --git a/hw/kdrive/src/kinput.c b/hw/kdrive/src/kinput.c
index 97b4f6fea..b1e8986fb 100644
--- a/hw/kdrive/src/kinput.c
+++ b/hw/kdrive/src/kinput.c
@@ -21,7 +21,7 @@
  * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
  * PERFORMANCE OF THIS SOFTWARE.
  */
-/* $XFree86: xc/programs/Xserver/hw/kdrive/kinput.c,v 1.27 2002/10/30 21:25:53 keithp Exp $ */
+/* $XFree86: xc/programs/Xserver/hw/kdrive/kinput.c,v 1.28 2002/10/31 18:29:50 keithp Exp $ */
 
 #include "kdrive.h"
 #include "inputstr.h"
@@ -325,7 +325,7 @@ KdMouseProc(DeviceIntPtr pDevice, int onoff)
 	    if (kdMouseFuncs)
 		(*kdMouseFuncs->Fini) ();
 #ifdef TOUCHSCREEN
-	    if (kdTsFuncs >= 0)
+	    if (kdTsFuncs)
 		(*kdTsFuncs->Fini) ();
 #endif
 	}
@@ -1577,7 +1577,8 @@ KdCrossScreen(ScreenPtr pScreen, Bool entering)
 
 #ifdef TOUCHSCREEN
 /* HACK! */
-extern int TsScreen;
+int KdTsCurScreen;	/* current event screen */
+int KdTsPhyScreen = -1;	/* screen associated with touch screen */
 #endif
 
 static void
@@ -1585,7 +1586,7 @@ KdWarpCursor (ScreenPtr pScreen, int x, int y)
 {
     KdBlockSigio ();
 #ifdef TOUCHSCREEN
-    TsScreen = pScreen->myNum;
+    KdTsCurScreen = pScreen->myNum;
 #endif
     miPointerWarpCursor (pScreen, x, y);
     KdUnblockSigio ();