Add a simulated touchscreen driver

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@3989 42af7a65-404d-4744-a932-0658087f49c3

1 files changed, 168 insertions, 0 deletions

diff --git a/nuttx/arch/sim/src/up_x11eventloop.c b/nuttx/arch/sim/src/up_x11eventloop.c
new file mode 100644
index 000000000..d28a03ab9
--- /dev/null
+++ b/nuttx/arch/sim/src/up_x11eventloop.c
@@ -0,0 +1,168 @@
+/****************************************************************************
+ * arch/sim/src/up_x11eventloop.c
+ *
+ *   Copyright (C) 2011 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ * 3. Neither the name NuttX nor the names of its contributors may be
+ *    used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ****************************************************************************/
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <stdio.h>
+#include <X11/Xlib.h>
+
+/****************************************************************************
+ * Definitions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Private Type Declarations
+ ***************************************************************************/
+
+/****************************************************************************
+ * Private Function Prototypes
+ ****************************************************************************/
+
+/****************************************************************************
+ * Public Function Prototypes
+ ****************************************************************************/
+
+extern int up_tcenter(int x, int y, int buttons);
+extern int up_tcleave(int x, int y, int buttons);
+
+/****************************************************************************
+ * Public Variables
+ ****************************************************************************/
+
+/* Defined in up_x11framebuffer.c */
+
+extern Display *g_display;
+extern Window g_window;
+
+/****************************************************************************
+ * Private Variables
+ ****************************************************************************/
+
+/****************************************************************************
+ * Private Functions
+ ***************************************************************************/
+
+/****************************************************************************
+ * Name: up_x11eventloop
+ ***************************************************************************/
+
+static int up_buttonmap(int state)
+{
+  int ret = 0;
+
+  /* Remove any X11 dependencies.  Possible bit settings include:  Button1Mask,
+   * Button2Mask, Button3Mask, Button4Mask, Button5Mask, ShiftMask, LockMask,
+   * ControlMask, Mod1Mask, Mod2Mask, Mod3Mask, Mod4Mask, Mod5Mask.  I assume
+   * that for a mouse device Button1Mask, Button2Mask, and Button3Mask are
+   * sufficient.
+   */
+
+  if ((state & Button1Mask) != 0)
+    {
+      ret |= 1;
+    }
+
+  if ((state & Button2Mask) != 0)
+    {
+      ret |= 2;
+    }
+
+  if ((state & Button3Mask) != 0)
+    {
+      ret |= 4;
+    }
+  return ret;
+}
+
+/****************************************************************************
+ * Public Functions
+ ***************************************************************************/
+
+/****************************************************************************
+ * Name: up_x11eventloop
+ ***************************************************************************/
+
+int up_x11eventloop(int argc, char *argv[])
+{
+  XEvent event;
+  int ret;
+
+  /* Grab the pointer (mouse) */
+
+  ret = XGrabPointer(g_display, g_window, 0,
+                     EnterWindowMask|LeaveWindowMask,
+                     GrabModeAsync, GrabModeAsync, None, None, CurrentTime);
+  if (ret != GrabSuccess)
+    {
+      fprintf(stderr, "Failed grap pointer\n");
+      return -1;
+    }
+
+  /* Then loop forever, waiting for events and processing events as they are
+   * received.
+   */
+ 
+  for (;;)
+    {
+      XNextEvent(g_display, &event);
+      switch (event.type)
+        {
+          case EnterNotify:
+            {
+              fprintf(stderr, "EnterNotify event: (%d,%d) %08x\n",
+                      event.xcrossing.x, event.xcrossing.y, event.xcrossing.state);
+              up_tcenter(event.xcrossing.x, event.xcrossing.y,
+                         up_buttonmap(event.xcrossing.state));
+            }
+            break;
+
+          case LeaveNotify :
+            {
+              fprintf(stderr, "LeaveNotify event: (%d,%d) %08x\n",
+                      event.xcrossing.x, event.xcrossing.y, event.xcrossing.state);
+              up_tcleave(event.xcrossing.x, event.xcrossing.y,
+                         up_buttonmap(event.xcrossing.state));
+            }
+            break;
+
+          default :
+            fprintf(stderr, "Unrecognized event: %d\n", event.type);
+            break;
+        }
+    }
+  return 0;
+}