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author | px4dev <px4@purgatory.org> | 2012-08-04 15:12:36 -0700 |
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committer | px4dev <px4@purgatory.org> | 2012-08-04 15:12:36 -0700 |
commit | 8a365179eafdf3aea98e60ab9f5882b200d4c759 (patch) | |
tree | 4f38d6d4cd80bd0b6e22e2bb534c3f117ce44e56 /nuttx/graphics/nxtk/nxtk_events.c | |
download | px4-firmware-8a365179eafdf3aea98e60ab9f5882b200d4c759.tar.gz px4-firmware-8a365179eafdf3aea98e60ab9f5882b200d4c759.tar.bz2 px4-firmware-8a365179eafdf3aea98e60ab9f5882b200d4c759.zip |
Fresh import of the PX4 firmware sources.
Diffstat (limited to 'nuttx/graphics/nxtk/nxtk_events.c')
-rw-r--r-- | nuttx/graphics/nxtk/nxtk_events.c | 297 |
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 + ****************************************************************************/ |