diff options
Diffstat (limited to 'nuttx/arch/sim/src/up_x11eventloop.c')
-rw-r--r-- | nuttx/arch/sim/src/up_x11eventloop.c | 168 |
1 files changed, 168 insertions, 0 deletions
diff --git a/nuttx/arch/sim/src/up_x11eventloop.c b/nuttx/arch/sim/src/up_x11eventloop.c new file mode 100644 index 000000000..d28a03ab9 --- /dev/null +++ b/nuttx/arch/sim/src/up_x11eventloop.c @@ -0,0 +1,168 @@ +/**************************************************************************** + * arch/sim/src/up_x11eventloop.c + * + * Copyright (C) 2011 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 <stdio.h> +#include <X11/Xlib.h> + +/**************************************************************************** + * Definitions + ****************************************************************************/ + +/**************************************************************************** + * Private Type Declarations + ***************************************************************************/ + +/**************************************************************************** + * Private Function Prototypes + ****************************************************************************/ + +/**************************************************************************** + * Public Function Prototypes + ****************************************************************************/ + +extern int up_tcenter(int x, int y, int buttons); +extern int up_tcleave(int x, int y, int buttons); + +/**************************************************************************** + * Public Variables + ****************************************************************************/ + +/* Defined in up_x11framebuffer.c */ + +extern Display *g_display; +extern Window g_window; + +/**************************************************************************** + * Private Variables + ****************************************************************************/ + +/**************************************************************************** + * Private Functions + ***************************************************************************/ + +/**************************************************************************** + * Name: up_x11eventloop + ***************************************************************************/ + +static int up_buttonmap(int state) +{ + int ret = 0; + + /* Remove any X11 dependencies. Possible bit settings include: Button1Mask, + * Button2Mask, Button3Mask, Button4Mask, Button5Mask, ShiftMask, LockMask, + * ControlMask, Mod1Mask, Mod2Mask, Mod3Mask, Mod4Mask, Mod5Mask. I assume + * that for a mouse device Button1Mask, Button2Mask, and Button3Mask are + * sufficient. + */ + + if ((state & Button1Mask) != 0) + { + ret |= 1; + } + + if ((state & Button2Mask) != 0) + { + ret |= 2; + } + + if ((state & Button3Mask) != 0) + { + ret |= 4; + } + return ret; +} + +/**************************************************************************** + * Public Functions + ***************************************************************************/ + +/**************************************************************************** + * Name: up_x11eventloop + ***************************************************************************/ + +int up_x11eventloop(int argc, char *argv[]) +{ + XEvent event; + int ret; + + /* Grab the pointer (mouse) */ + + ret = XGrabPointer(g_display, g_window, 0, + EnterWindowMask|LeaveWindowMask, + GrabModeAsync, GrabModeAsync, None, None, CurrentTime); + if (ret != GrabSuccess) + { + fprintf(stderr, "Failed grap pointer\n"); + return -1; + } + + /* Then loop forever, waiting for events and processing events as they are + * received. + */ + + for (;;) + { + XNextEvent(g_display, &event); + switch (event.type) + { + case EnterNotify: + { + fprintf(stderr, "EnterNotify event: (%d,%d) %08x\n", + event.xcrossing.x, event.xcrossing.y, event.xcrossing.state); + up_tcenter(event.xcrossing.x, event.xcrossing.y, + up_buttonmap(event.xcrossing.state)); + } + break; + + case LeaveNotify : + { + fprintf(stderr, "LeaveNotify event: (%d,%d) %08x\n", + event.xcrossing.x, event.xcrossing.y, event.xcrossing.state); + up_tcleave(event.xcrossing.x, event.xcrossing.y, + up_buttonmap(event.xcrossing.state)); + } + break; + + default : + fprintf(stderr, "Unrecognized event: %d\n", event.type); + break; + } + } + return 0; +} |