/**************************************************************************** * libnx/nxtk/nxtk_events.c * * Copyright (C) 2008-2009, 2012 Gregory Nutt. All rights reserved. * Author: Gregory Nutt * * 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 #include #include #include #include #include #include #include #include #include "nxtk_internal.h" /**************************************************************************** * Pre-processor 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_XYINPUT 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_XYINPUT , 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_XYINPUT 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 ****************************************************************************/