\r
/* -- PRIVATE FUNCTIONS --------------------------------------------------- */\r
\r
-#if TARGET_HOST_POSIX_X11\r
-#include <X11/Xlib.h>\r
+extern void fgPlatformInitializeSpaceball(void);\r
+extern void fgPlatformSpaceballClose(void);\r
+extern int fgPlatformHasSpaceball(void);\r
+extern int fgPlatformSpaceballNumButtons(void);\r
+extern void fgPlatformSpaceballSetWindow(SFG_Window *window);\r
\r
-enum {\r
- SPNAV_EVENT_ANY, /* used by spnav_remove_events() */\r
- SPNAV_EVENT_MOTION,\r
- SPNAV_EVENT_BUTTON /* includes both press and release */\r
-};\r
-\r
-struct spnav_event_motion {\r
- int type;\r
- int x, y, z;\r
- int rx, ry, rz;\r
- unsigned int period;\r
- int *data;\r
-};\r
-\r
-struct spnav_event_button {\r
- int type;\r
- int press;\r
- int bnum;\r
-};\r
-\r
-typedef union spnav_event {\r
- int type;\r
- struct spnav_event_motion motion;\r
- struct spnav_event_button button;\r
-} spnav_event;\r
-\r
-\r
-static int spnav_x11_open(Display *dpy, Window win);\r
-static int spnav_x11_window(Window win);\r
-static int spnav_x11_event(const XEvent *xev, spnav_event *event);\r
-static int spnav_close(void);\r
-static int spnav_fd(void);\r
-static int spnav_remove_events(int type);\r
-\r
-static SFG_Window *spnav_win;\r
-#endif\r
-\r
-/* Flag telling whether we have a spaceball:\r
- * 0 - haven't tried initializing\r
- * 1 - have successfully initialized\r
- * -1 - have tried to initialize but not succeeded\r
- */\r
-static int sball_initialized = 0;\r
\r
+int sball_initialized = 0;\r
\r
void fgInitialiseSpaceball(void)\r
{\r
return;\r
}\r
\r
-#if TARGET_HOST_POSIX_X11\r
- {\r
- Window w;\r
-\r
- if(!fgStructure.CurrentWindow)\r
- {\r
- sball_initialized = -1;\r
- return;\r
- }\r
-\r
- w = fgStructure.CurrentWindow->Window.Handle;\r
- if(spnav_x11_open(fgDisplay.pDisplay.Display, w) == -1)\r
- {\r
- sball_initialized = -1;\r
- return;\r
- }\r
- }\r
-#endif\r
+ fgPlatformInitializeSpaceball();\r
\r
sball_initialized = 1;\r
}\r
\r
void fgSpaceballClose(void)\r
{\r
-#if TARGET_HOST_POSIX_X11\r
- spnav_close();\r
-#endif\r
-}\r
+ fgPlatformSpaceballClose();}\r
\r
int fgHasSpaceball(void)\r
{\r
}\r
}\r
\r
-#if TARGET_HOST_POSIX_X11\r
- /* XXX this function should somehow query the driver if there's a device\r
- * plugged in, as opposed to just checking if there's a driver to talk to.\r
- */\r
- return spnav_fd() == -1 ? 0 : 1;\r
-#else\r
- return 0;\r
-#endif\r
+ return fgPlatformHasSpaceball();\r
}\r
\r
int fgSpaceballNumButtons(void)\r
}\r
}\r
\r
-#if TARGET_HOST_POSIX_X11\r
- return 2; /* TODO implement this properly */\r
-#else\r
- return 0;\r
-#endif\r
+ return fgPlatformSpaceballNumButtons();\r
}\r
\r
void fgSpaceballSetWindow(SFG_Window *window)\r
}\r
}\r
\r
-#if TARGET_HOST_POSIX_X11\r
- if(spnav_win != window) {\r
- spnav_x11_window(window->Window.Handle);\r
- spnav_win = window;\r
- }\r
-#endif\r
-}\r
-\r
-\r
-#if TARGET_HOST_POSIX_X11\r
-int fgIsSpaceballXEvent(const XEvent *xev)\r
-{\r
- spnav_event sev;\r
-\r
- if(spnav_win != fgStructure.CurrentWindow) {\r
- /* this will also initialize spaceball if needed (first call) */\r
- fgSpaceballSetWindow(fgStructure.CurrentWindow);\r
- }\r
-\r
- if(sball_initialized != 1) {\r
- return 0;\r
- }\r
-\r
- return spnav_x11_event(xev, &sev);\r
-}\r
-\r
-void fgSpaceballHandleXEvent(const XEvent *xev)\r
-{\r
- spnav_event sev;\r
-\r
- if(sball_initialized == 0) {\r
- fgInitialiseSpaceball();\r
- if(sball_initialized != 1) {\r
- return;\r
- }\r
- }\r
-\r
- if(spnav_x11_event(xev, &sev)) {\r
- switch(sev.type) {\r
- case SPNAV_EVENT_MOTION:\r
- if(sev.motion.x | sev.motion.y | sev.motion.z) {\r
- INVOKE_WCB(*spnav_win, SpaceMotion, (sev.motion.x, sev.motion.y, sev.motion.z));\r
- }\r
- if(sev.motion.rx | sev.motion.ry | sev.motion.rz) {\r
- INVOKE_WCB(*spnav_win, SpaceRotation, (sev.motion.rx, sev.motion.ry, sev.motion.rz));\r
- }\r
- spnav_remove_events(SPNAV_EVENT_MOTION);\r
- break;\r
-\r
- case SPNAV_EVENT_BUTTON:\r
- INVOKE_WCB(*spnav_win, SpaceButton, (sev.button.bnum, sev.button.press ? GLUT_DOWN : GLUT_UP));\r
- break;\r
-\r
- default:\r
- break;\r
- }\r
- }\r
-}\r
-\r
-/*\r
-The following code is part of libspnav, part of the spacenav project (spacenav.sf.net)\r
-Copyright (C) 2007-2009 John Tsiombikas <nuclear@member.fsf.org>\r
-\r
-Redistribution and use in source and binary forms, with or without\r
-modification, are permitted provided that the following conditions are met:\r
-\r
-1. Redistributions of source code must retain the above copyright notice, this\r
- list of conditions and the following disclaimer.\r
-2. Redistributions in binary form must reproduce the above copyright notice,\r
- this list of conditions and the following disclaimer in the documentation\r
- and/or other materials provided with the distribution.\r
-3. The name of the author may not be used to endorse or promote products\r
- derived from this software without specific prior written permission.\r
-\r
-THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED\r
-WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF\r
-MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO\r
-EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,\r
-EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT\r
-OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS\r
-INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN\r
-CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING\r
-IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY\r
-OF SUCH DAMAGE.\r
-*/\r
-#include <stdio.h>\r
-#include <stdlib.h>\r
-#include <string.h>\r
-\r
-#ifdef HAVE_ERRNO_H\r
-#include <errno.h>\r
-#endif\r
-\r
-#include <X11/Xlib.h>\r
-#include <X11/Xutil.h>\r
-\r
-static Window get_daemon_window(Display *dpy);\r
-static int catch_badwin(Display *dpy, XErrorEvent *err);\r
-\r
-static Display *dpy;\r
-static Window app_win;\r
-static Atom motion_event, button_press_event, button_release_event, command_event;\r
-\r
-enum {\r
- CMD_APP_WINDOW = 27695,\r
- CMD_APP_SENS\r
-};\r
-\r
-#define IS_OPEN dpy\r
-\r
-struct event_node {\r
- spnav_event event;\r
- struct event_node *next;\r
-};\r
-\r
-static int spnav_x11_open(Display *display, Window win)\r
-{\r
- if(IS_OPEN) {\r
- return -1;\r
- }\r
-\r
- dpy = display;\r
-\r
- motion_event = XInternAtom(dpy, "MotionEvent", True);\r
- button_press_event = XInternAtom(dpy, "ButtonPressEvent", True);\r
- button_release_event = XInternAtom(dpy, "ButtonReleaseEvent", True);\r
- command_event = XInternAtom(dpy, "CommandEvent", True);\r
-\r
- if(!motion_event || !button_press_event || !button_release_event || !command_event) {\r
- dpy = 0;\r
- return -1; /* daemon not started */\r
- }\r
-\r
- if(spnav_x11_window(win) == -1) {\r
- dpy = 0;\r
- return -1; /* daemon not started */\r
- }\r
-\r
- app_win = win;\r
- return 0;\r
-}\r
-\r
-static int spnav_close(void)\r
-{\r
- if(dpy) {\r
- spnav_x11_window(DefaultRootWindow(dpy));\r
- app_win = 0;\r
- dpy = 0;\r
- return 0;\r
- }\r
- return -1;\r
-}\r
-\r
-static int spnav_x11_window(Window win)\r
-{\r
- int (*prev_xerr_handler)(Display*, XErrorEvent*);\r
- XEvent xev;\r
- Window daemon_win;\r
-\r
- if(!IS_OPEN) {\r
- return -1;\r
- }\r
-\r
- if(!(daemon_win = get_daemon_window(dpy))) {\r
- return -1;\r
- }\r
-\r
- prev_xerr_handler = XSetErrorHandler(catch_badwin);\r
-\r
- xev.type = ClientMessage;\r
- xev.xclient.send_event = False;\r
- xev.xclient.display = dpy;\r
- xev.xclient.window = win;\r
- xev.xclient.message_type = command_event;\r
- xev.xclient.format = 16;\r
- xev.xclient.data.s[0] = ((unsigned int)win & 0xffff0000) >> 16;\r
- xev.xclient.data.s[1] = (unsigned int)win & 0xffff;\r
- xev.xclient.data.s[2] = CMD_APP_WINDOW;\r
-\r
- XSendEvent(dpy, daemon_win, False, 0, &xev);\r
- XSync(dpy, False);\r
-\r
- XSetErrorHandler(prev_xerr_handler);\r
- return 0;\r
-}\r
-\r
-static int spnav_fd(void)\r
-{\r
- if(dpy) {\r
- return ConnectionNumber(dpy);\r
- }\r
- return -1;\r
-}\r
-\r
-/*static int spnav_wait_event(spnav_event *event)\r
-{\r
- if(dpy) {\r
- for(;;) {\r
- XEvent xev;\r
- XNextEvent(dpy, &xev);\r
-\r
- if(spnav_x11_event(&xev, event) > 0) {\r
- return event->type;\r
- }\r
- }\r
- }\r
- return 0;\r
-}\r
-\r
-static int spnav_poll_event(spnav_event *event)\r
-{\r
- if(dpy) {\r
- if(XPending(dpy)) {\r
- XEvent xev;\r
- XNextEvent(dpy, &xev);\r
-\r
- return spnav_x11_event(&xev, event);\r
- }\r
- }\r
- return 0;\r
-}*/\r
-\r
-static Bool match_events(Display *dpy, XEvent *xev, char *arg)\r
-{\r
- int evtype = *(int*)arg;\r
-\r
- if(xev->type != ClientMessage) {\r
- return False;\r
- }\r
-\r
- if(xev->xclient.message_type == motion_event) {\r
- return !evtype || evtype == SPNAV_EVENT_MOTION ? True : False;\r
- }\r
- if(xev->xclient.message_type == button_press_event ||\r
- xev->xclient.message_type == button_release_event) {\r
- return !evtype || evtype == SPNAV_EVENT_BUTTON ? True : False;\r
- }\r
- return False;\r
-}\r
-\r
-static int spnav_remove_events(int type)\r
-{\r
- int rm_count = 0;\r
-\r
- if(dpy) {\r
- XEvent xev;\r
-\r
- while(XCheckIfEvent(dpy, &xev, match_events, (char*)&type)) {\r
- rm_count++;\r
- }\r
- return rm_count;\r
- }\r
- return 0;\r
-}\r
-\r
-static int spnav_x11_event(const XEvent *xev, spnav_event *event)\r
-{\r
- int i;\r
- int xmsg_type;\r
-\r
- if(xev->type != ClientMessage) {\r
- return 0;\r
- }\r
-\r
- xmsg_type = xev->xclient.message_type;\r
-\r
- if(xmsg_type != motion_event && xmsg_type != button_press_event &&\r
- xmsg_type != button_release_event) {\r
- return 0;\r
- }\r
-\r
- if(xmsg_type == motion_event) {\r
- event->type = SPNAV_EVENT_MOTION;\r
- event->motion.data = &event->motion.x;\r
-\r
- for(i=0; i<6; i++) {\r
- event->motion.data[i] = xev->xclient.data.s[i + 2];\r
- }\r
- event->motion.period = xev->xclient.data.s[8];\r
- } else {\r
- event->type = SPNAV_EVENT_BUTTON;\r
- event->button.press = xmsg_type == button_press_event ? 1 : 0;\r
- event->button.bnum = xev->xclient.data.s[2];\r
- }\r
- return event->type;\r
-}\r
-\r
-\r
-static Window get_daemon_window(Display *dpy)\r
-{\r
- Window win, root_win;\r
- XTextProperty wname;\r
- Atom type;\r
- int fmt;\r
- unsigned long nitems, bytes_after;\r
- unsigned char *prop;\r
-\r
- root_win = DefaultRootWindow(dpy);\r
-\r
- XGetWindowProperty(dpy, root_win, command_event, 0, 1, False, AnyPropertyType, &type, &fmt, &nitems, &bytes_after, &prop);\r
- if(!prop) {\r
- return 0;\r
- }\r
-\r
- win = *(Window*)prop;\r
- XFree(prop);\r
-\r
- if(!XGetWMName(dpy, win, &wname) || strcmp("Magellan Window", (char*)wname.value) != 0) {\r
- return 0;\r
- }\r
-\r
- return win;\r
-}\r
-\r
-static int catch_badwin(Display *dpy, XErrorEvent *err)\r
-{\r
- char buf[256];\r
-\r
- if(err->error_code == BadWindow) {\r
- /* do nothing? */\r
- } else {\r
- XGetErrorText(dpy, err->error_code, buf, sizeof buf);\r
- fprintf(stderr, "Caught unexpected X error: %s\n", buf);\r
- }\r
- return 0;\r
+ fgPlatformSpaceballSetWindow(window);\r
}\r
\r
-#endif /* TARGET_HOST_POSIX_X11 */\r
+/*\r
+ * freeglut_spaceball_mswin.c\r
+ *\r
+ * Spaceball support for Windows\r
+ *\r
+ * Copyright (c) 2012 Stephen J. Baker. All Rights Reserved.\r
+ * Written by Evan Felix <karcaw at gmail.com>\r
+ * Creation date: Sat Feb 4, 2012\r
+ *\r
+ * Permission is hereby granted, free of charge, to any person obtaining a\r
+ * copy of this software and associated documentation files (the "Software"),\r
+ * to deal in the Software without restriction, including without limitation\r
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,\r
+ * and/or sell copies of the Software, and to permit persons to whom the\r
+ * Software is furnished to do so, subject to the following conditions:\r
+ *\r
+ * The above copyright notice and this permission notice shall be included\r
+ * in all copies or substantial portions of the Software.\r
+ *\r
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS\r
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\r
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL\r
+ * PAWEL W. OLSZTA BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER\r
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN\r
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.\r
+ */\r
+/*\r
+ * This code is a very complicated way of doing nothing. \r
+ * But is needed for mswindows platform builds.\r
+ */\r
+\r
+#include <GL/freeglut.h>\r
+#include "../Common/freeglut_internal.h"\r
+\r
+void fgPlatformInitializeSpaceball(void)\r
+{\r
+ return;\r
+}\r
+\r
+void fgPlatformSpaceballClose(void)\r
+{\r
+ return;\r
+}\r
+\r
+int fgPlatformHasSpaceball(void)\r
+{\r
+ return 0;\r
+}\r
+\r
+int fgPlatformSpaceballNumButtons(void)\r
+{\r
+ return 0;\r
+}\r
+\r
+void fgPlatformSpaceballSetWindow(SFG_Window *window)\r
+{\r
+ return;\r
+}\r
+/* Spaceball support for Linux.\r
+ * Written by John Tsiombikas <nuclear@member.fsf.org>\r
+ * Copied for Platform code by Evan Felix <karcaw at gmail.com>\r
+ * Creation date: Thur Feb 2 2012\r
+ *\r
+ * This code supports 3Dconnexion's 6-dof space-whatever devices.\r
+ * It can communicate with either the proprietary 3Dconnexion daemon (3dxsrv)\r
+ * free spacenavd (http://spacenav.sourceforge.net), through the "standard"\r
+ * magellan X-based protocol.\r
+ */\r
+\r
+#include <GL/freeglut.h>\r
+#include "freeglut_internal.h"\r
+\r
+#include <X11/Xlib.h>\r
+\r
+extern int sball_initialized;\r
+\r
+enum {\r
+ SPNAV_EVENT_ANY, /* used by spnav_remove_events() */\r
+ SPNAV_EVENT_MOTION,\r
+ SPNAV_EVENT_BUTTON /* includes both press and release */\r
+};\r
+\r
+struct spnav_event_motion {\r
+ int type;\r
+ int x, y, z;\r
+ int rx, ry, rz;\r
+ unsigned int period;\r
+ int *data;\r
+};\r
+\r
+struct spnav_event_button {\r
+ int type;\r
+ int press;\r
+ int bnum;\r
+};\r
+\r
+typedef union spnav_event {\r
+ int type;\r
+ struct spnav_event_motion motion;\r
+ struct spnav_event_button button;\r
+} spnav_event;\r
+\r
+\r
+static int spnav_x11_open(Display *dpy, Window win);\r
+static int spnav_x11_window(Window win);\r
+static int spnav_x11_event(const XEvent *xev, spnav_event *event);\r
+static int spnav_close(void);\r
+static int spnav_fd(void);\r
+static int spnav_remove_events(int type);\r
+\r
+static SFG_Window *spnav_win;\r
+\r
+void fgPlatformInitializeSpaceball(void)\r
+{\r
+ Window w;\r
+\r
+ sball_initialized = 1;\r
+ if(!fgStructure.CurrentWindow)\r
+ {\r
+ sball_initialized = -1;\r
+ return;\r
+ }\r
+\r
+ w = fgStructure.CurrentWindow->Window.Handle;\r
+ if(spnav_x11_open(fgDisplay.pDisplay.Display, w) == -1)\r
+ {\r
+ sball_initialized = -1;\r
+ return;\r
+ }\r
+}\r
+\r
+void fgPlatformSpaceballClose(void) \r
+{\r
+ spnav_close();\r
+}\r
+\r
+int fgPlatformHasSpaceball(void) \r
+{\r
+ /* XXX this function should somehow query the driver if there's a device\r
+ * plugged in, as opposed to just checking if there's a driver to talk to.\r
+ */\r
+ return spnav_fd() == -1 ? 0 : 1;\r
+}\r
+\r
+int fgPlatformSpaceballNumButtons(void) {\r
+ return 2;\r
+}\r
+\r
+void fgPlatformSpaceballSetWindow(SFG_Window *window) \r
+{\r
+ if(spnav_win != window) {\r
+ spnav_x11_window(window->Window.Handle);\r
+ spnav_win = window;\r
+ }\r
+}\r
+\r
+int fgIsSpaceballXEvent(const XEvent *xev)\r
+{\r
+ spnav_event sev;\r
+\r
+ if(spnav_win != fgStructure.CurrentWindow) {\r
+ /* this will also initialize spaceball if needed (first call) */\r
+ fgSpaceballSetWindow(fgStructure.CurrentWindow);\r
+ }\r
+\r
+ if(sball_initialized != 1) {\r
+ return 0;\r
+ }\r
+\r
+ return spnav_x11_event(xev, &sev);\r
+}\r
+\r
+void fgSpaceballHandleXEvent(const XEvent *xev)\r
+{\r
+ spnav_event sev;\r
+\r
+ if(sball_initialized == 0) {\r
+ fgInitialiseSpaceball();\r
+ if(sball_initialized != 1) {\r
+ return;\r
+ }\r
+ }\r
+\r
+ if(spnav_x11_event(xev, &sev)) {\r
+ switch(sev.type) {\r
+ case SPNAV_EVENT_MOTION:\r
+ if(sev.motion.x | sev.motion.y | sev.motion.z) {\r
+ INVOKE_WCB(*spnav_win, SpaceMotion, (sev.motion.x, sev.motion.y, sev.motion.z));\r
+ }\r
+ if(sev.motion.rx | sev.motion.ry | sev.motion.rz) {\r
+ INVOKE_WCB(*spnav_win, SpaceRotation, (sev.motion.rx, sev.motion.ry, sev.motion.rz));\r
+ }\r
+ spnav_remove_events(SPNAV_EVENT_MOTION);\r
+ break;\r
+\r
+ case SPNAV_EVENT_BUTTON:\r
+ INVOKE_WCB(*spnav_win, SpaceButton, (sev.button.bnum, sev.button.press ? GLUT_DOWN : GLUT_UP));\r
+ break;\r
+\r
+ default:\r
+ break;\r
+ }\r
+ }\r
+}\r
+\r
+/*\r
+The following code is part of libspnav, part of the spacenav project (spacenav.sf.net)\r
+Copyright (C) 2007-2009 John Tsiombikas <nuclear@member.fsf.org>\r
+\r
+Redistribution and use in source and binary forms, with or without\r
+modification, are permitted provided that the following conditions are met:\r
+\r
+1. Redistributions of source code must retain the above copyright notice, this\r
+ list of conditions and the following disclaimer.\r
+2. Redistributions in binary form must reproduce the above copyright notice,\r
+ this list of conditions and the following disclaimer in the documentation\r
+ and/or other materials provided with the distribution.\r
+3. The name of the author may not be used to endorse or promote products\r
+ derived from this software without specific prior written permission.\r
+\r
+THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED\r
+WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF\r
+MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO\r
+EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,\r
+EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT\r
+OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS\r
+INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN\r
+CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING\r
+IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY\r
+OF SUCH DAMAGE.\r
+*/\r
+#include <stdio.h>\r
+#include <stdlib.h>\r
+#include <string.h>\r
+\r
+#ifdef HAVE_ERRNO_H\r
+#include <errno.h>\r
+#endif\r
+\r
+#include <X11/Xlib.h>\r
+#include <X11/Xutil.h>\r
+\r
+static Window get_daemon_window(Display *dpy);\r
+static int catch_badwin(Display *dpy, XErrorEvent *err);\r
+\r
+static Display *dpy;\r
+static Window app_win;\r
+static Atom motion_event, button_press_event, button_release_event, command_event;\r
+\r
+enum {\r
+ CMD_APP_WINDOW = 27695,\r
+ CMD_APP_SENS\r
+};\r
+\r
+#define IS_OPEN dpy\r
+\r
+struct event_node {\r
+ spnav_event event;\r
+ struct event_node *next;\r
+};\r
+\r
+static int spnav_x11_open(Display *display, Window win)\r
+{\r
+ if(IS_OPEN) {\r
+ return -1;\r
+ }\r
+\r
+ dpy = display;\r
+\r
+ motion_event = XInternAtom(dpy, "MotionEvent", True);\r
+ button_press_event = XInternAtom(dpy, "ButtonPressEvent", True);\r
+ button_release_event = XInternAtom(dpy, "ButtonReleaseEvent", True);\r
+ command_event = XInternAtom(dpy, "CommandEvent", True);\r
+\r
+ if(!motion_event || !button_press_event || !button_release_event || !command_event) {\r
+ dpy = 0;\r
+ return -1; /* daemon not started */\r
+ }\r
+\r
+ if(spnav_x11_window(win) == -1) {\r
+ dpy = 0;\r
+ return -1; /* daemon not started */\r
+ }\r
+\r
+ app_win = win;\r
+ return 0;\r
+}\r
+\r
+static int spnav_close(void)\r
+{\r
+ if(dpy) {\r
+ spnav_x11_window(DefaultRootWindow(dpy));\r
+ app_win = 0;\r
+ dpy = 0;\r
+ return 0;\r
+ }\r
+ return -1;\r
+}\r
+\r
+static int spnav_x11_window(Window win)\r
+{\r
+ int (*prev_xerr_handler)(Display*, XErrorEvent*);\r
+ XEvent xev;\r
+ Window daemon_win;\r
+\r
+ if(!IS_OPEN) {\r
+ return -1;\r
+ }\r
+\r
+ if(!(daemon_win = get_daemon_window(dpy))) {\r
+ return -1;\r
+ }\r
+\r
+ prev_xerr_handler = XSetErrorHandler(catch_badwin);\r
+\r
+ xev.type = ClientMessage;\r
+ xev.xclient.send_event = False;\r
+ xev.xclient.display = dpy;\r
+ xev.xclient.window = win;\r
+ xev.xclient.message_type = command_event;\r
+ xev.xclient.format = 16;\r
+ xev.xclient.data.s[0] = ((unsigned int)win & 0xffff0000) >> 16;\r
+ xev.xclient.data.s[1] = (unsigned int)win & 0xffff;\r
+ xev.xclient.data.s[2] = CMD_APP_WINDOW;\r
+\r
+ XSendEvent(dpy, daemon_win, False, 0, &xev);\r
+ XSync(dpy, False);\r
+\r
+ XSetErrorHandler(prev_xerr_handler);\r
+ return 0;\r
+}\r
+\r
+static int spnav_fd(void)\r
+{\r
+ if(dpy) {\r
+ return ConnectionNumber(dpy);\r
+ }\r
+ return -1;\r
+}\r
+\r
+/*static int spnav_wait_event(spnav_event *event)\r
+{\r
+ if(dpy) {\r
+ for(;;) {\r
+ XEvent xev;\r
+ XNextEvent(dpy, &xev);\r
+\r
+ if(spnav_x11_event(&xev, event) > 0) {\r
+ return event->type;\r
+ }\r
+ }\r
+ }\r
+ return 0;\r
+}\r
+\r
+static int spnav_poll_event(spnav_event *event)\r
+{\r
+ if(dpy) {\r
+ if(XPending(dpy)) {\r
+ XEvent xev;\r
+ XNextEvent(dpy, &xev);\r
+\r
+ return spnav_x11_event(&xev, event);\r
+ }\r
+ }\r
+ return 0;\r
+}*/\r
+\r
+static Bool match_events(Display *dpy, XEvent *xev, char *arg)\r
+{\r
+ int evtype = *(int*)arg;\r
+\r
+ if(xev->type != ClientMessage) {\r
+ return False;\r
+ }\r
+\r
+ if(xev->xclient.message_type == motion_event) {\r
+ return !evtype || evtype == SPNAV_EVENT_MOTION ? True : False;\r
+ }\r
+ if(xev->xclient.message_type == button_press_event ||\r
+ xev->xclient.message_type == button_release_event) {\r
+ return !evtype || evtype == SPNAV_EVENT_BUTTON ? True : False;\r
+ }\r
+ return False;\r
+}\r
+\r
+static int spnav_remove_events(int type)\r
+{\r
+ int rm_count = 0;\r
+\r
+ if(dpy) {\r
+ XEvent xev;\r
+\r
+ while(XCheckIfEvent(dpy, &xev, match_events, (char*)&type)) {\r
+ rm_count++;\r
+ }\r
+ return rm_count;\r
+ }\r
+ return 0;\r
+}\r
+\r
+static int spnav_x11_event(const XEvent *xev, spnav_event *event)\r
+{\r
+ int i;\r
+ int xmsg_type;\r
+\r
+ if(xev->type != ClientMessage) {\r
+ return 0;\r
+ }\r
+\r
+ xmsg_type = xev->xclient.message_type;\r
+\r
+ if(xmsg_type != motion_event && xmsg_type != button_press_event &&\r
+ xmsg_type != button_release_event) {\r
+ return 0;\r
+ }\r
+\r
+ if(xmsg_type == motion_event) {\r
+ event->type = SPNAV_EVENT_MOTION;\r
+ event->motion.data = &event->motion.x;\r
+\r
+ for(i=0; i<6; i++) {\r
+ event->motion.data[i] = xev->xclient.data.s[i + 2];\r
+ }\r
+ event->motion.period = xev->xclient.data.s[8];\r
+ } else {\r
+ event->type = SPNAV_EVENT_BUTTON;\r
+ event->button.press = xmsg_type == button_press_event ? 1 : 0;\r
+ event->button.bnum = xev->xclient.data.s[2];\r
+ }\r
+ return event->type;\r
+}\r
+\r
+\r
+static Window get_daemon_window(Display *dpy)\r
+{\r
+ Window win, root_win;\r
+ XTextProperty wname;\r
+ Atom type;\r
+ int fmt;\r
+ unsigned long nitems, bytes_after;\r
+ unsigned char *prop;\r
+\r
+ root_win = DefaultRootWindow(dpy);\r
+\r
+ XGetWindowProperty(dpy, root_win, command_event, 0, 1, False, AnyPropertyType, &type, &fmt, &nitems, &bytes_after, &prop);\r
+ if(!prop) {\r
+ return 0;\r
+ }\r
+\r
+ win = *(Window*)prop;\r
+ XFree(prop);\r
+\r
+ if(!XGetWMName(dpy, win, &wname) || strcmp("Magellan Window", (char*)wname.value) != 0) {\r
+ return 0;\r
+ }\r
+\r
+ return win;\r
+}\r
+\r
+static int catch_badwin(Display *dpy, XErrorEvent *err)\r
+{\r
+ char buf[256];\r
+\r
+ if(err->error_code == BadWindow) {\r
+ /* do nothing? */\r
+ } else {\r
+ XGetErrorText(dpy, err->error_code, buf, sizeof buf);\r
+ fprintf(stderr, "Caught unexpected X error: %s\n", buf);\r
+ }\r
+ return 0;\r
+}\r
+\r
projects / freeglut / commitdiff