1 files changed, 297 insertions, 0 deletions
diff --git a/nuttx/graphics/nxtk/nxtk_events.c b/nuttx/graphics/nxtk/nxtk_events.c
new file mode 100644
index 000000000..33c50b7f9
--- /dev/null
+++ b/nuttx/graphics/nxtk/nxtk_events.c
@@ -0,0 +1,297 @@
+/****************************************************************************
+ * graphics/nxtk/nxtk_events.c
+ *
+ *   Copyright (C) 2008-2009, 2012 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <gnutt@nuttx.org>
+ *
+ * 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 <stdint.h>
+#include <stdbool.h>
+#include <stdlib.h>
+#include <semaphore.h>
+#include <debug.h>
+#include <errno.h>
+#include <assert.h>
+
+#include <nuttx/nx/nx.h>
+#include "nxtk_internal.h"
+
+/****************************************************************************
+ * Definitions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Private Types
+ ****************************************************************************/
+
+/****************************************************************************
+ * Private Function Prototypes
+ ****************************************************************************/
+
+static void nxtk_redraw(NXWINDOW hwnd, FAR const struct nxgl_rect_s *rect,
+                        bool morem, FAR void *arg);
+static void nxtk_position(NXWINDOW hwnd, FAR const struct nxgl_size_s *size,
+                          FAR const struct nxgl_point_s *pos,
+                          FAR const struct nxgl_rect_s *bounds,
+                          FAR void *arg);
+#ifdef CONFIG_NX_MOUSE
+static void nxtk_mousein(NXWINDOW hwnd, FAR const struct nxgl_point_s *pos,
+                         uint8_t buttons, FAR void *arg);
+#endif
+#ifdef CONFIG_NX_KBD
+static void nxtk_kbdin(NXWINDOW hwnd, uint8_t nch, const uint8_t *ch,
+                       FAR void *arg);
+#endif
+
+/****************************************************************************
+ * Private Data
+ ****************************************************************************/
+
+/****************************************************************************
+ * Public Data
+ ****************************************************************************/
+
+const struct nx_callback_s g_nxtkcb =
+{
+  nxtk_redraw,    /* redraw */
+  nxtk_position   /* position */
+#ifdef CONFIG_NX_MOUSE
+  , nxtk_mousein  /* mousein */
+#endif
+#ifdef CONFIG_NX_KBD
+  , nxtk_kbdin    /* kbdin */
+#endif
+};
+
+/****************************************************************************
+ * Private Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: nxtk_redraw
+ ****************************************************************************/
+
+static void nxtk_redraw(NXWINDOW hwnd, FAR const struct nxgl_rect_s *rect,
+                        bool more, FAR void *arg)
+{
+  FAR struct nxtk_framedwindow_s *fwnd = (FAR struct nxtk_framedwindow_s *)hwnd;
+  struct nxgl_rect_s intersection;
+
+  DEBUGASSERT(hwnd && rect && fwnd->fwcb);
+
+  gvdbg("hwnd=%p rect={(%d,%d),(%d,%d)} more=%d\n",
+        hwnd, rect->pt1.x, rect->pt1.y, rect->pt2.x, rect->pt2.y, more);
+
+  /* The incoming rectangle (rect) is relative to the containing window
+   * (i.e., (0,0) is the top left corner of the outer, containing window).
+   * If any part of the rectangle overlaps the client sub-window region, then
+   * forward the redraw callback.
+   */
+
+  if (fwnd->fwcb->redraw)
+    {
+      /* Clip the redraw rectangle so that it lies within the client sub-window
+       * bounds and move the rectangle to that it is relative to the client
+       * sub-window (i.e., (0,0) is the top left corner of the client sub-window).
+       */
+
+      nxtk_containerclip(fwnd, &intersection, rect, &fwnd->fwrect);
+
+      gvdbg("fwrect intersection={(%d,%d),(%d,%d)}\n",
+           intersection.pt1.x, intersection.pt1.y,
+           intersection.pt2.x, intersection.pt2.y);
+
+      if (!nxgl_nullrect(&intersection))
+        {
+          fwnd->fwcb->redraw((NXTKWINDOW)fwnd, &intersection, false, fwnd->fwarg);
+        }
+    }
+
+  /* If any part of the rectangle overlaps the client toolbar region, then
+   * forward the redraw callback.
+   */
+
+  if (fwnd->tbcb && fwnd->tbcb->redraw)
+    {
+      /* Clip the redraw rectangle so that it lies within the toolbar sub-window
+       * bounds and move the rectangle to that it is relative to the toolbar
+       * sub-window (i.e., (0,0) is the top left corner of the client sub-window).
+       */
+
+      nxtk_containerclip(fwnd, &intersection, rect, &fwnd->tbrect);
+
+      gvdbg("tbrect intersection={(%d,%d),(%d,%d)}\n",
+           intersection.pt1.x, intersection.pt1.y,
+           intersection.pt2.x, intersection.pt2.y);
+
+      if (!nxgl_nullrect(&intersection))
+        {
+          fwnd->tbcb->redraw((NXTKWINDOW)fwnd, &intersection, false, fwnd->tbarg);
+        }
+    }
+
+  /* Then draw the frame */
+
+  nxtk_drawframe(fwnd, rect);
+}
+
+/****************************************************************************
+ * Name: nxtk_position
+ ****************************************************************************/
+
+static void nxtk_position(NXWINDOW hwnd, FAR const struct nxgl_size_s *size,
+                           FAR const struct nxgl_point_s *pos,
+                           FAR const struct nxgl_rect_s *bounds,
+                           FAR void *arg)
+{
+  FAR struct nxtk_framedwindow_s *fwnd = (FAR struct nxtk_framedwindow_s *)hwnd;
+  struct nxgl_size_s subwindowsize;
+
+  gvdbg("hwnd=%p size=(%d,%d) pos=(%d,%d) bounds={(%d,%d),(%d,%d)}\n",
+        hwnd, size->w, size->h, pos->x, pos->y,
+        bounds->pt1.x, bounds->pt1.y, bounds->pt2.x, bounds->pt2.y);
+
+  /* Recalculate the dimensions of the toolbar and client windows */
+
+  nxtk_setsubwindows(fwnd);
+
+  /* Report the size / position of the client sub-window */
+
+  if (fwnd->fwcb->position)
+    {
+      nxgl_rectsize(&subwindowsize, &fwnd->fwrect);
+      fwnd->fwcb->position((NXTKWINDOW)fwnd, &subwindowsize,
+                           &fwnd->fwrect.pt1, bounds, fwnd->fwarg);
+    }
+
+  /* Report the size / position of the toolbar sub-window */
+
+  if (fwnd->tbcb && fwnd->tbcb->position)
+    {
+      nxgl_rectsize(&subwindowsize, &fwnd->tbrect);
+      fwnd->tbcb->position((NXTKWINDOW)fwnd, &subwindowsize,
+                           &fwnd->tbrect.pt1, bounds, fwnd->tbarg);
+    }
+}
+
+/****************************************************************************
+ * Name: nxtk_mousein
+ ****************************************************************************/
+
+#ifdef CONFIG_NX_MOUSE
+static void nxtk_mousein(NXWINDOW hwnd, FAR const struct nxgl_point_s *pos,
+                          uint8_t buttons, FAR void *arg)
+{
+  FAR struct nxtk_framedwindow_s *fwnd = (FAR struct nxtk_framedwindow_s *)hwnd;
+  struct nxgl_point_s abspos;
+  struct nxgl_point_s relpos;
+
+  /* Raise the window to the top if any mouse button was pressed or if auto-raise
+   * is configured.  Do this before reporting the mouse event (because processing
+   * of the mouse event could change the ordering again).
+   */
+
+  /* REVISIT:  This does not work correctly.  In a scenario where (1) there are
+   * multiple queued touchscreen events and (2) the result of the first input
+   * was to switch windows, then this autoraise implementation will cause the
+   * window to revert to the previous window.  Not good behavior.
+   */
+
+#ifndef CONFIG_NX_MULTIUSER /* Queuing only happens in multi-user mode */
+#ifdef CONFIG_NXTK_AUTORAISE
+  if (fwnd->wnd.above != NULL)
+#else
+  if (buttons != 0 && fwnd->wnd.above != NULL)
+#endif
+    {
+       nx_raise((NXWINDOW)&fwnd->wnd);
+    }
+#endif
+
+  /* When we get here, the mouse position that we receive has already been
+   * offset by the window origin.  Here we need to detect mouse events in
+   * the various regions of the windows:  The toolbar, the client window,
+   * or the frame.  And then offset the position accordingly.
+   */
+
+  /* The fwrect and tbrect boxes are both in absolute display coordinates. So
+   * the easiest thing to do is to restore the mouse position to absolute
+   * display coordiantes before making the comparisons and adjustments.
+   */
+
+  nxgl_vectoradd(&abspos, pos, &fwnd->wnd.bounds.pt1);
+
+  /* Is the mouse position inside of the client window region? */
+
+  if (fwnd->fwcb->mousein && nxgl_rectinside(&fwnd->fwrect, &abspos))
+    {
+      nxgl_vectsubtract(&relpos, &abspos, &fwnd->fwrect.pt1);
+      fwnd->fwcb->mousein((NXTKWINDOW)fwnd, &relpos, buttons, fwnd->fwarg);
+    }
+
+  /* If the mouse position inside the toobar region? */
+
+  else if (fwnd->tbcb->mousein && nxgl_rectinside(&fwnd->tbrect, &abspos))
+    {
+      nxgl_vectsubtract(&relpos, &abspos, &fwnd->tbrect.pt1);
+      fwnd->tbcb->mousein((NXTKWINDOW)fwnd, &relpos, buttons, fwnd->tbarg);
+    }
+}
+#endif
+
+/****************************************************************************
+ * Name: nxtk_kbdin
+ ****************************************************************************/
+
+#ifdef CONFIG_NX_KBD
+static void nxtk_kbdin(NXWINDOW hwnd, uint8_t nch, const uint8_t *ch,
+                       FAR void *arg)
+{
+  FAR struct nxtk_framedwindow_s *fwnd = (FAR struct nxtk_framedwindow_s *)hwnd;
+
+  /* Only the client window gets keyboard input */
+
+  if (fwnd->fwcb->kbdin)
+    {
+      fwnd->fwcb->kbdin((NXTKWINDOW)fwnd, nch, ch, fwnd->fwarg);
+    }
+}
+#endif
+
+/****************************************************************************
+ * Public Functions
+ ****************************************************************************/