add sensible DEVICE_TOUCHSCREEN and DEVICE_CORE controls

Add a more sensible DEVICE_TOUCHSCREEN control, which allows you to
clip the x and y values.
Add a DEVICE_CORE control, which toggles the sending of core events
by extended devices.

2 files changed, 87 insertions, 8 deletions

diff --git a/src/XChgDCtl.c b/src/XChgDCtl.c
index be5d941..a196523 100644
--- a/src/XChgDCtl.c
+++ b/src/XChgDCtl.c
@@ -92,7 +92,7 @@ XChangeDeviceControl(dpy, dev, control, d)
 	R = (XDeviceResolutionControl *) d;
 	r.control = DEVICE_RESOLUTION;
 	r.length = sizeof(xDeviceResolutionCtl) +
-	    R->num_valuators * sizeof(int);
+        R->num_valuators * sizeof(int);
 	r.first_valuator = R->first_valuator;
 	r.num_valuators = R->num_valuators;
 	req->length += ((unsigned)(r.length + 3) >> 2);
@@ -107,6 +107,52 @@ XChangeDeviceControl(dpy, dev, control, d)
 	} else
 	    return (rep.status);
     }
+    case DEVICE_TOUCHSCREEN:
+    {
+        XDeviceTSControl *T = (XDeviceTSControl *) d;
+        xDeviceTSCtl t;
+        
+        t.control = DEVICE_TOUCHSCREEN;
+        t.length = sizeof(t);
+        t.min_x = T->min_x;
+        t.max_x = T->max_x;
+        t.min_y = T->min_y;
+        t.max_y = T->max_y;
+        t.button_threshold = T->button_threshold;
+
+        req->length += (sizeof(t) + 3) >> 2;
+        Data(dpy, (char *) &t, sizeof(t));
+
+        if (!_XReply(dpy, (xReply *) &rep, 0, xTrue)) {
+            UnlockDisplay(dpy);
+            SyncHandle();
+            return NoSuchExtension;
+        }
+        else {
+            return rep.status;
+        }
+    }
+    case DEVICE_CORE:
+    {
+        XDeviceCoreControl *C = (XDeviceCoreControl *) d;
+        xDeviceCoreCtl c;
+
+        c.control = DEVICE_CORE;
+        c.length = sizeof(c);
+        c.status = C->status;
+
+        req->length += (sizeof(c) + 3) >> 2;
+        Data (dpy, (char *) &c, sizeof(c));
+
+        if (!_XReply(dpy, (xReply *) &rep, 0, xTrue)) {
+            UnlockDisplay(dpy);
+            SyncHandle();
+            return NoSuchExtension;
+        }
+        else {
+            return rep.status;
+        }
+    }
     default:
     {
 	xDeviceCtl u;
diff --git a/src/XGetDCtl.c b/src/XGetDCtl.c
index 9862dcc..139f7e7 100644
--- a/src/XGetDCtl.c
+++ b/src/XGetDCtl.c
@@ -61,13 +61,11 @@ SOFTWARE.
 #include <X11/extensions/extutil.h>
 #include "XIint.h"
 
-XDeviceControl * XGetDeviceControl(dpy, dev, control)
-    register Display *
-	dpy;
-    XDevice *
-	dev;
-    int
-	control;
+XDeviceControl *
+XGetDeviceControl(dpy, dev, control)
+    register Display *dpy;
+    XDevice *dev;
+    int control;
 {
     int size = 0;
     int nbytes, i;
@@ -116,6 +114,15 @@ XDeviceControl * XGetDeviceControl(dpy, dev, control)
 		(3 * sizeof(int) * r->num_valuators);
 	    break;
 	}
+        case DEVICE_TOUCHSCREEN:
+        {
+            size += sizeof(xDeviceTSState);
+            break;
+        }
+        case DEVICE_CORE:
+        {
+            size += sizeof(xDeviceCoreState);
+        }
 	default:
 	    size += d->length;
 	    break;
@@ -152,6 +159,32 @@ XDeviceControl * XGetDeviceControl(dpy, dev, control)
 		*iptr++ = *iptr2++;
 	    break;
 	}
+        case DEVICE_TOUCHSCREEN:
+        {
+            xDeviceTSState *t = (xDeviceTSState *) d;
+            XDeviceTSState *T = (XDeviceTSState *) Device;
+
+            T->control = DEVICE_TOUCHSCREEN;
+            T->length = sizeof(T);
+            T->min_x = t->min_x;
+            T->max_x = t->max_x;
+            T->min_y = t->min_y;
+            T->max_y = t->max_y;
+            T->button_threshold = t->button_threshold;
+
+            break;
+        }
+        case DEVICE_CORE:
+        {
+            xDeviceCoreState *c = (xDeviceCoreState *) d;
+            XDeviceCoreState *C = (XDeviceCoreState *) Device;
+
+            C->control = DEVICE_CORE;
+            C->length = sizeof(C);
+            C->status = c->status;
+
+            break;
+        }
 	default:
 	    break;
 	}