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- /****************************************************************************
- * 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
- #ifdef CONFIG_NX_MULTIUSER
- static void nxtk_blocked(NXWINDOW hwnd, FAR void *arg1, FAR void *arg2);
- #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
- #ifdef CONFIG_NX_MULTIUSER
- , nxtk_blocked
- #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);
- /* In order to deliver mouse release events to the same window where the
- * mouse down event happened, we store the initial mouse down location.
- */
- if (fwnd->mbutton == 0 && buttons != 0)
- {
- fwnd->mpos = abspos;
- }
- fwnd->mbutton = buttons;
- /* Is the mouse position inside of the client window region? */
- if (fwnd->fwcb->mousein && nxgl_rectinside(&fwnd->fwrect, &fwnd->mpos))
- {
- 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, &fwnd->mpos))
- {
- 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
- /****************************************************************************
- * Name: nxtk_blocked
- ****************************************************************************/
- #ifdef CONFIG_NX_MULTIUSER
- static void nxtk_blocked(NXWINDOW hwnd, FAR void *arg1, FAR void *arg2)
- {
- FAR struct nxtk_framedwindow_s *fwnd = (FAR struct nxtk_framedwindow_s *)hwnd;
- /* Only the client window gets keyboard input */
- if (fwnd->fwcb->blocked)
- {
- fwnd->fwcb->blocked((NXTKWINDOW)fwnd, fwnd->fwarg, arg2);
- }
- }
- #endif
- /****************************************************************************
- * Public Functions
- ****************************************************************************/
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