1 files changed, 178 insertions, 0 deletions
diff --git a/nuttx/graphics/nxmu/nxmu_mouse.c b/nuttx/graphics/nxmu/nxmu_mouse.c
new file mode 100644
index 000000000..5650c8dd2
--- /dev/null
+++ b/nuttx/graphics/nxmu/nxmu_mouse.c
@@ -0,0 +1,178 @@
+/****************************************************************************
+ * graphics/nxmu/nxmu__mouse.c
+ *
+ *   Copyright (C) 2008 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 <nuttx/config.h>
+
+#include <sys/types.h>
+#include <errno.h>
+#include <debug.h>
+
+#include <nuttx/nx.h>
+#include "nxfe.h"
+
+#ifdef CONFIG_NX_MOUSE
+
+/****************************************************************************
+ * Pre-Processor Definitions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Private Types
+ ****************************************************************************/
+
+/****************************************************************************
+ * Private Data
+ ****************************************************************************/
+
+static struct nxgl_point_s g_mpos;
+static struct nxgl_rect_s g_mrange;
+static struct g_mbutton;
+
+/****************************************************************************
+ * Public Data
+ ****************************************************************************/
+
+/****************************************************************************
+ * Private Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Public Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: nxmu_mouseinit
+ *
+ * Description:
+ *   Initialize with the mouse in the center of the display
+ *
+ ****************************************************************************/
+
+void nxmu_mouseinit(int x, int y)
+{
+  g_mrange.x = x;
+  g_mrange.y = y;
+  g_mpos.x   = x / 2;
+  g_mpos.y   = y / 2;
+  g_mbutton  = 0;
+}
+
+/****************************************************************************
+ * Name: nxmu_mousereport
+ *
+ * Description:
+ *   Report mouse position info to the specified window
+ *
+ ****************************************************************************/
+
+void nxmu_mousereport(struct nxbe_window_s *wnd)
+{
+  struct nxclimsg_mousein_s outmsg;
+  int ret;
+
+  outmsg.msgid   = NX_CLIMSG_MOUSEIN;
+  outmsg.wnd     = wnd;
+  outmsg.pos.x   = g_mpos.x;
+  outmsg.pos.y   = g_mpos.y;
+  outmsg.buttons = g_mbutton;
+
+  ret = mq_send(wnd->conn->swrmq, outmsg, sizeof(struct nxclimsg_mousein_s), NX_SVRMSG_PRIO);
+  if (ret < 0)
+    {
+      gdbg("mq_send failed: %d\n", errno);
+    }
+}
+
+/****************************************************************************
+ * Name: nxmu_mousein
+ *
+ * Description:
+ *   New positional data has been received from the thread or interrupt
+ *   handler that manages some kind of pointing hardware.  Route that
+ *   positional data to the appropriate window client.
+ *
+ ****************************************************************************/
+
+void nxmu_mousein(FAR struct nxfe_state_s *fe,
+                  FAR const struct nxgl_point_s *pos, int button)
+{
+  struct nxbe_window_s *wnd;
+  x_coord_t x = pos->x;
+  x_coord_t y = pos->y;
+
+  /* Clip x and y to within the bounding rectangle */
+
+  if (x < 0)
+    {
+      x = 0;
+    }
+  else if (x >= g_mbound.x)
+    {
+      x = g_mbound.x - 1;
+    }
+
+  if (y < 0)
+    {
+      y = 0;
+    }
+  else if (y >= g_mbound.y)
+    {
+      y = g_mbound.y - 1;
+    }
+
+  /* Look any change in values */
+
+  if (x != g_mpos.x || y != g_mpos.y || button != g_mbutton)
+    {
+      /* Update the mouse value */
+
+      g_mpos.x  = x;
+      g_mpos.y  = y;
+      b_mbutton = button;
+
+      /* Pick the window to receive the mouse event */
+
+      for (wnd = fe->be.topwnd; wnd; wnd = wnd->below)
+        {
+          nxmu_mousereport(wnd);
+        }
+    }
+}
+
+#endif /* CONFIG_NX_MOUSE */