workaround for serial mice

1 files changed, 149 insertions, 0 deletions

diff --git a/xmouse.c b/xmouse.c
new file mode 100644
index 000000000..a04967834
--- /dev/null
+++ b/xmouse.c
@@ -0,0 +1,149 @@
+/*
+ * xmouse.c - a Python wrapper for XFree86's misc extention's mouse
+ *            functions.
+ *
+ * Matt Wilson <msw@redhat.com>
+ *
+ * Copyright 2000 Red Hat, Inc.
+ *
+ * This software may be freely redistributed under the terms of the GNU
+ * public license.
+ *
+ * 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+#include <X11/Intrinsic.h>
+#include <X11/Xmd.h>
+#include <X11/extensions/xf86misc.h>
+#include <X11/Xos.h>
+#include <X11/X.h>
+#include <Python.h>
+
+static char *Mouses[] = { "None", "Microsoft", "MouseSystems", "MMSeries",
+			    "Logitech", "BusMouse", "Mouseman", "PS/2",
+			    "MMHitTab", "GlidePoint", "IntelliMouse",
+			    "ThinkingMouse", "IMPS/2", "ThinkingMousePS/2",
+			    "MouseManPlusPS/2", "GlidePointPS/2", 
+			    "NetMousePS/2", "NetScrollPS/2", "SysMouse",
+			    "Auto", "Xqueue", "OSMouse" };
+static int numMouses = (sizeof (Mouses) / sizeof (*Mouses));
+
+static int (*olderror)();
+static char error[512];
+static int error_set = FALSE;
+
+static PyObject * mouse_get (PyObject * s, PyObject * args);
+static PyObject * mouse_reopen (PyObject * s, PyObject * args);
+
+/*  static PyObject * mouse_set (PyObject * s, PyObject * args); */
+
+static PyMethodDef xmouseMethods[] = {
+    { "get", mouse_get, 1 },
+    { "reopen", mouse_reopen, 1 },
+/*  { "set", mouse_set, 1 }, */
+    { NULL, NULL }
+};
+
+static int miscError(Display *disp, XErrorEvent *err)
+{
+    XGetErrorText (disp, err->error_code, error, 512);
+    error_set = TRUE;
+    return 0;
+}
+
+PyObject *
+mouse_get (PyObject * s, PyObject * args)
+{
+    XF86MiscMouseSettings settings;
+    char *name;
+    PyObject *ret;
+	
+    Display *disp = XOpenDisplay (NULL);
+    if (!disp) {
+	PyErr_SetString(PyExc_RuntimeError, "Unable to open display");
+	return NULL;
+    }
+	
+    if (!XF86MiscGetMouseSettings(disp, &settings)) {
+	PyErr_SetString(PyExc_RuntimeError, "Unable to get mouse settings");
+	XCloseDisplay (disp);
+	return NULL;
+    }
+
+    if (settings.type == MTYPE_XQUEUE)
+	name = "Xqueue";
+    else if (settings.type == MTYPE_OSMOUSE)
+	name = "OSMouse";
+    else if (settings.type < 0 || (settings.type >= numMouses))
+	name = "Unknown";
+    else
+	name = Mouses[settings.type+1];
+
+    ret = Py_BuildValue("ssiiiisisss",
+			settings.device == NULL ? "no device": settings.device,
+			name,
+			settings.baudrate,
+			settings.samplerate,
+			settings.resolution,
+			settings.buttons,
+			settings.emulate3buttons ? "on": "off",
+			settings.emulate3timeout,
+			settings.chordmiddle ? "on": "off",
+			settings.flags & MF_CLEAR_DTR ? "ClearDTR" : "NoClearDTR",
+			settings.flags & MF_CLEAR_DTR ? "ClearRTS" : "NoClearRTS");
+
+    if (settings.device) {
+	free(settings.device);
+    }
+    XCloseDisplay (disp);
+    
+    return ret;
+}
+
+PyObject *
+mouse_reopen (PyObject * s, PyObject * args)
+{
+    XF86MiscMouseSettings settings;
+    Status rc;
+    
+    Display *disp = XOpenDisplay (NULL);
+    if (!disp) {
+	PyErr_SetString(PyExc_RuntimeError, "Unable to open display");
+	return NULL;
+    }
+	
+    if (!XF86MiscGetMouseSettings(disp, &settings)) {
+	PyErr_SetString(PyExc_RuntimeError, "Unable to get mouse settings");
+	XCloseDisplay (disp);
+	return NULL;
+    }
+    settings.flags |= MF_REOPEN;
+
+    XSync(disp, False);
+    olderror = XSetErrorHandler(miscError);
+    rc = XF86MiscSetMouseSettings(disp, &settings);
+    XSync(disp, False);
+    XSetErrorHandler(olderror);
+    XCloseDisplay (disp);
+    if (error_set) {
+	PyErr_SetString(PyExc_RuntimeError, error);
+	error_set = 0;
+	return NULL;
+    }
+    if (!rc) {
+	PyErr_SetString(PyExc_RuntimeError, "unknown error reopening mouse device");
+	return NULL;
+    }
+    
+    Py_INCREF(Py_None);
+    return Py_None;
+}
+
+void 
+initxmouse ()
+{
+    Py_InitModule ("xmouse", xmouseMethods);
+}