+/*
+ * freeglut_main_x11.c
+ *
+ * The X11-specific windows message processing methods.
+ *
+ * Copyright (c) 1999-2000 Pawel W. Olszta. All Rights Reserved.
+ * Written by Pawel W. Olszta, <olszta@sourceforge.net>
+ * Copied for Platform code by Evan Felix <karcaw at gmail.com>
+ * Creation date: Thur Feb 2 2012
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * PAWEL W. OLSZTA BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#include <GL/freeglut.h>
+#include "../Common/freeglut_internal.h"
+#ifdef HAVE_ERRNO_H
+# include <errno.h>
+#endif
+#include <stdarg.h>
+#ifdef HAVE_VFPRINTF
+# define VFPRINTF(s,f,a) vfprintf((s),(f),(a))
+#elif defined(HAVE__DOPRNT)
+# define VFPRINTF(s,f,a) _doprnt((f),(a),(s))
+#else
+# define VFPRINTF(s,f,a)
+#endif
+
+/*
+ * Try to get the maximum value allowed for ints, falling back to the minimum
+ * guaranteed by ISO C99 if there is no suitable header.
+ */
+#ifdef HAVE_LIMITS_H
+# include <limits.h>
+#endif
+#ifndef INT_MAX
+# define INT_MAX 32767
+#endif
+
+#ifndef MIN
+# define MIN(a,b) (((a)<(b)) ? (a) : (b))
+#endif
+
+/*
+ * TODO BEFORE THE STABLE RELEASE:
+ *
+ * There are some issues concerning window redrawing under X11, and maybe
+ * some events are not handled. The Win32 version lacks some more features,
+ * but seems acceptable for not demanding purposes.
+ *
+ * Need to investigate why the X11 version breaks out with an error when
+ * closing a window (using the window manager, not glutDestroyWindow)...
+ */
+
+
+/*
+ * Handle a window configuration change. When no reshape
+ * callback is hooked, the viewport size is updated to
+ * match the new window size.
+ */
+void fgPlatformReshapeWindow ( SFG_Window *window, int width, int height )
+{
+ XResizeWindow( fgDisplay.pDisplay.Display, window->Window.Handle,
+ width, height );
+ XFlush( fgDisplay.pDisplay.Display ); /* XXX Shouldn't need this */
+}
+
+
+/*
+ * A static helper function to execute display callback for a window
+ */
+void fgPlatformDisplayWindow ( SFG_Window *window )
+{
+ fghRedrawWindow ( window ) ;
+}
+
+
+unsigned long fgPlatformSystemTime ( void )
+{
+#ifdef CLOCK_MONOTONIC
+ struct timespec now;
+ clock_gettime(CLOCK_MONOTONIC, &now);
+ return now.tv_nsec/1000000 + now.tv_sec*1000;
+#else
+#ifdef HAVE_GETTIMEOFDAY
+ struct timeval now;
+ gettimeofday( &now, NULL );
+ return now.tv_usec/1000 + now.tv_sec*1000;
+#endif
+#endif
+}
+
+/*
+ * Does the magic required to relinquish the CPU until something interesting
+ * happens.
+ */
+
+void fgPlatformSleepForEvents( long msec )
+{
+ /*
+ * Possibly due to aggressive use of XFlush() and friends,
+ * it is possible to have our socket drained but still have
+ * unprocessed events. (Or, this may just be normal with
+ * X, anyway?) We do non-trivial processing of X events
+ * after the event-reading loop, in any case, so we
+ * need to allow that we may have an empty socket but non-
+ * empty event queue.
+ */
+ if( ! XPending( fgDisplay.pDisplay.Display ) )
+ {
+ fd_set fdset;
+ int err;
+ int socket;
+ struct timeval wait;
+
+ socket = ConnectionNumber( fgDisplay.pDisplay.Display );
+ FD_ZERO( &fdset );
+ FD_SET( socket, &fdset );
+ wait.tv_sec = msec / 1000;
+ wait.tv_usec = (msec % 1000) * 1000;
+ err = select( socket+1, &fdset, NULL, NULL, &wait );
+
+#ifdef HAVE_ERRNO_H
+ if( ( -1 == err ) && ( errno != EINTR ) )
+ fgWarning ( "freeglut select() error: %d", errno );
+#endif
+ }
+}
+
+
+/*
+ * Returns GLUT modifier mask for the state field of an X11 event.
+ */
+int fgPlatformGetModifiers( int state )
+{
+ int ret = 0;
+
+ if( state & ( ShiftMask | LockMask ) )
+ ret |= GLUT_ACTIVE_SHIFT;
+ if( state & ControlMask )
+ ret |= GLUT_ACTIVE_CTRL;
+ if( state & Mod1Mask )
+ ret |= GLUT_ACTIVE_ALT;
+
+ return ret;
+}
+
+static const char* fghTypeToString( int type )
+{
+ switch( type ) {
+ case KeyPress: return "KeyPress";
+ case KeyRelease: return "KeyRelease";
+ case ButtonPress: return "ButtonPress";
+ case ButtonRelease: return "ButtonRelease";
+ case MotionNotify: return "MotionNotify";
+ case EnterNotify: return "EnterNotify";
+ case LeaveNotify: return "LeaveNotify";
+ case FocusIn: return "FocusIn";
+ case FocusOut: return "FocusOut";
+ case KeymapNotify: return "KeymapNotify";
+ case Expose: return "Expose";
+ case GraphicsExpose: return "GraphicsExpose";
+ case NoExpose: return "NoExpose";
+ case VisibilityNotify: return "VisibilityNotify";
+ case CreateNotify: return "CreateNotify";
+ case DestroyNotify: return "DestroyNotify";
+ case UnmapNotify: return "UnmapNotify";
+ case MapNotify: return "MapNotify";
+ case MapRequest: return "MapRequest";
+ case ReparentNotify: return "ReparentNotify";
+ case ConfigureNotify: return "ConfigureNotify";
+ case ConfigureRequest: return "ConfigureRequest";
+ case GravityNotify: return "GravityNotify";
+ case ResizeRequest: return "ResizeRequest";
+ case CirculateNotify: return "CirculateNotify";
+ case CirculateRequest: return "CirculateRequest";
+ case PropertyNotify: return "PropertyNotify";
+ case SelectionClear: return "SelectionClear";
+ case SelectionRequest: return "SelectionRequest";
+ case SelectionNotify: return "SelectionNotify";
+ case ColormapNotify: return "ColormapNotify";
+ case ClientMessage: return "ClientMessage";
+ case MappingNotify: return "MappingNotify";
+ default: return "UNKNOWN";
+ }
+}
+
+static const char* fghBoolToString( Bool b )
+{
+ return b == False ? "False" : "True";
+}
+
+static const char* fghNotifyHintToString( char is_hint )
+{
+ switch( is_hint ) {
+ case NotifyNormal: return "NotifyNormal";
+ case NotifyHint: return "NotifyHint";
+ default: return "UNKNOWN";
+ }
+}
+
+static const char* fghNotifyModeToString( int mode )
+{
+ switch( mode ) {
+ case NotifyNormal: return "NotifyNormal";
+ case NotifyGrab: return "NotifyGrab";
+ case NotifyUngrab: return "NotifyUngrab";
+ case NotifyWhileGrabbed: return "NotifyWhileGrabbed";
+ default: return "UNKNOWN";
+ }
+}
+
+static const char* fghNotifyDetailToString( int detail )
+{
+ switch( detail ) {
+ case NotifyAncestor: return "NotifyAncestor";
+ case NotifyVirtual: return "NotifyVirtual";
+ case NotifyInferior: return "NotifyInferior";
+ case NotifyNonlinear: return "NotifyNonlinear";
+ case NotifyNonlinearVirtual: return "NotifyNonlinearVirtual";
+ case NotifyPointer: return "NotifyPointer";
+ case NotifyPointerRoot: return "NotifyPointerRoot";
+ case NotifyDetailNone: return "NotifyDetailNone";
+ default: return "UNKNOWN";
+ }
+}
+
+static const char* fghVisibilityToString( int state ) {
+ switch( state ) {
+ case VisibilityUnobscured: return "VisibilityUnobscured";
+ case VisibilityPartiallyObscured: return "VisibilityPartiallyObscured";
+ case VisibilityFullyObscured: return "VisibilityFullyObscured";
+ default: return "UNKNOWN";
+ }
+}
+
+static const char* fghConfigureDetailToString( int detail )
+{
+ switch( detail ) {
+ case Above: return "Above";
+ case Below: return "Below";
+ case TopIf: return "TopIf";
+ case BottomIf: return "BottomIf";
+ case Opposite: return "Opposite";
+ default: return "UNKNOWN";
+ }
+}
+
+static const char* fghPlaceToString( int place )
+{
+ switch( place ) {
+ case PlaceOnTop: return "PlaceOnTop";
+ case PlaceOnBottom: return "PlaceOnBottom";
+ default: return "UNKNOWN";
+ }
+}
+
+static const char* fghMappingRequestToString( int request )
+{
+ switch( request ) {
+ case MappingModifier: return "MappingModifier";
+ case MappingKeyboard: return "MappingKeyboard";
+ case MappingPointer: return "MappingPointer";
+ default: return "UNKNOWN";
+ }
+}
+
+static const char* fghPropertyStateToString( int state )
+{
+ switch( state ) {
+ case PropertyNewValue: return "PropertyNewValue";
+ case PropertyDelete: return "PropertyDelete";
+ default: return "UNKNOWN";
+ }
+}
+
+static const char* fghColormapStateToString( int state )
+{
+ switch( state ) {
+ case ColormapUninstalled: return "ColormapUninstalled";
+ case ColormapInstalled: return "ColormapInstalled";
+ default: return "UNKNOWN";
+ }
+}
+
+static void fghPrintEvent( XEvent *event )
+{
+ switch( event->type ) {
+
+ case KeyPress:
+ case KeyRelease: {
+ XKeyEvent *e = &event->xkey;
+ fgWarning( "%s: window=0x%x, root=0x%x, subwindow=0x%x, time=%lu, "
+ "(x,y)=(%d,%d), (x_root,y_root)=(%d,%d), state=0x%x, "
+ "keycode=%u, same_screen=%s", fghTypeToString( e->type ),
+ e->window, e->root, e->subwindow, (unsigned long)e->time,
+ e->x, e->y, e->x_root, e->y_root, e->state, e->keycode,
+ fghBoolToString( e->same_screen ) );
+ break;
+ }
+
+ case ButtonPress:
+ case ButtonRelease: {
+ XButtonEvent *e = &event->xbutton;
+ fgWarning( "%s: window=0x%x, root=0x%x, subwindow=0x%x, time=%lu, "
+ "(x,y)=(%d,%d), (x_root,y_root)=(%d,%d), state=0x%x, "
+ "button=%u, same_screen=%d", fghTypeToString( e->type ),
+ e->window, e->root, e->subwindow, (unsigned long)e->time,
+ e->x, e->y, e->x_root, e->y_root, e->state, e->button,
+ fghBoolToString( e->same_screen ) );
+ break;
+ }
+
+ case MotionNotify: {
+ XMotionEvent *e = &event->xmotion;
+ fgWarning( "%s: window=0x%x, root=0x%x, subwindow=0x%x, time=%lu, "
+ "(x,y)=(%d,%d), (x_root,y_root)=(%d,%d), state=0x%x, "
+ "is_hint=%s, same_screen=%d", fghTypeToString( e->type ),
+ e->window, e->root, e->subwindow, (unsigned long)e->time,
+ e->x, e->y, e->x_root, e->y_root, e->state,
+ fghNotifyHintToString( e->is_hint ),
+ fghBoolToString( e->same_screen ) );
+ break;
+ }
+
+ case EnterNotify:
+ case LeaveNotify: {
+ XCrossingEvent *e = &event->xcrossing;
+ fgWarning( "%s: window=0x%x, root=0x%x, subwindow=0x%x, time=%lu, "
+ "(x,y)=(%d,%d), mode=%s, detail=%s, same_screen=%d, "
+ "focus=%d, state=0x%x", fghTypeToString( e->type ),
+ e->window, e->root, e->subwindow, (unsigned long)e->time,
+ e->x, e->y, fghNotifyModeToString( e->mode ),
+ fghNotifyDetailToString( e->detail ), (int)e->same_screen,
+ (int)e->focus, e->state );
+ break;
+ }
+
+ case FocusIn:
+ case FocusOut: {
+ XFocusChangeEvent *e = &event->xfocus;
+ fgWarning( "%s: window=0x%x, mode=%s, detail=%s",
+ fghTypeToString( e->type ), e->window,
+ fghNotifyModeToString( e->mode ),
+ fghNotifyDetailToString( e->detail ) );
+ break;
+ }
+
+ case KeymapNotify: {
+ XKeymapEvent *e = &event->xkeymap;
+ char buf[32 * 2 + 1];
+ int i;
+ for ( i = 0; i < 32; i++ ) {
+ snprintf( &buf[ i * 2 ], sizeof( buf ) - i * 2,
+ "%02x", e->key_vector[ i ] );
+ }
+ buf[ i ] = '\0';
+ fgWarning( "%s: window=0x%x, %s", fghTypeToString( e->type ), e->window,
+ buf );
+ break;
+ }
+
+ case Expose: {
+ XExposeEvent *e = &event->xexpose;
+ fgWarning( "%s: window=0x%x, (x,y)=(%d,%d), (width,height)=(%d,%d), "
+ "count=%d", fghTypeToString( e->type ), e->window, e->x,
+ e->y, e->width, e->height, e->count );
+ break;
+ }
+
+ case GraphicsExpose: {
+ XGraphicsExposeEvent *e = &event->xgraphicsexpose;
+ fgWarning( "%s: drawable=0x%x, (x,y)=(%d,%d), (width,height)=(%d,%d), "
+ "count=%d, (major_code,minor_code)=(%d,%d)",
+ fghTypeToString( e->type ), e->drawable, e->x, e->y,
+ e->width, e->height, e->count, e->major_code,
+ e->minor_code );
+ break;
+ }
+
+ case NoExpose: {
+ XNoExposeEvent *e = &event->xnoexpose;
+ fgWarning( "%s: drawable=0x%x, (major_code,minor_code)=(%d,%d)",
+ fghTypeToString( e->type ), e->drawable, e->major_code,
+ e->minor_code );
+ break;
+ }
+
+ case VisibilityNotify: {
+ XVisibilityEvent *e = &event->xvisibility;
+ fgWarning( "%s: window=0x%x, state=%s", fghTypeToString( e->type ),
+ e->window, fghVisibilityToString( e->state) );
+ break;
+ }
+
+ case CreateNotify: {
+ XCreateWindowEvent *e = &event->xcreatewindow;
+ fgWarning( "%s: (x,y)=(%d,%d), (width,height)=(%d,%d), border_width=%d, "
+ "window=0x%x, override_redirect=%s",
+ fghTypeToString( e->type ), e->x, e->y, e->width, e->height,
+ e->border_width, e->window,
+ fghBoolToString( e->override_redirect ) );
+ break;
+ }
+
+ case DestroyNotify: {
+ XDestroyWindowEvent *e = &event->xdestroywindow;
+ fgWarning( "%s: event=0x%x, window=0x%x",
+ fghTypeToString( e->type ), e->event, e->window );
+ break;
+ }
+
+ case UnmapNotify: {
+ XUnmapEvent *e = &event->xunmap;
+ fgWarning( "%s: event=0x%x, window=0x%x, from_configure=%s",
+ fghTypeToString( e->type ), e->event, e->window,
+ fghBoolToString( e->from_configure ) );
+ break;
+ }
+
+ case MapNotify: {
+ XMapEvent *e = &event->xmap;
+ fgWarning( "%s: event=0x%x, window=0x%x, override_redirect=%s",
+ fghTypeToString( e->type ), e->event, e->window,
+ fghBoolToString( e->override_redirect ) );
+ break;
+ }
+
+ case MapRequest: {
+ XMapRequestEvent *e = &event->xmaprequest;
+ fgWarning( "%s: parent=0x%x, window=0x%x",
+ fghTypeToString( event->type ), e->parent, e->window );
+ break;
+ }
+
+ case ReparentNotify: {
+ XReparentEvent *e = &event->xreparent;
+ fgWarning( "%s: event=0x%x, window=0x%x, parent=0x%x, (x,y)=(%d,%d), "
+ "override_redirect=%s", fghTypeToString( e->type ),
+ e->event, e->window, e->parent, e->x, e->y,
+ fghBoolToString( e->override_redirect ) );
+ break;
+ }
+
+ case ConfigureNotify: {
+ XConfigureEvent *e = &event->xconfigure;
+ fgWarning( "%s: event=0x%x, window=0x%x, (x,y)=(%d,%d), "
+ "(width,height)=(%d,%d), border_width=%d, above=0x%x, "
+ "override_redirect=%s", fghTypeToString( e->type ), e->event,
+ e->window, e->x, e->y, e->width, e->height, e->border_width,
+ e->above, fghBoolToString( e->override_redirect ) );
+ break;
+ }
+
+ case ConfigureRequest: {
+ XConfigureRequestEvent *e = &event->xconfigurerequest;
+ fgWarning( "%s: parent=0x%x, window=0x%x, (x,y)=(%d,%d), "
+ "(width,height)=(%d,%d), border_width=%d, above=0x%x, "
+ "detail=%s, value_mask=%lx", fghTypeToString( e->type ),
+ e->parent, e->window, e->x, e->y, e->width, e->height,
+ e->border_width, e->above,
+ fghConfigureDetailToString( e->detail ), e->value_mask );
+ break;
+ }
+
+ case GravityNotify: {
+ XGravityEvent *e = &event->xgravity;
+ fgWarning( "%s: event=0x%x, window=0x%x, (x,y)=(%d,%d)",
+ fghTypeToString( e->type ), e->event, e->window, e->x, e->y );
+ break;
+ }
+
+ case ResizeRequest: {
+ XResizeRequestEvent *e = &event->xresizerequest;
+ fgWarning( "%s: window=0x%x, (width,height)=(%d,%d)",
+ fghTypeToString( e->type ), e->window, e->width, e->height );
+ break;
+ }
+
+ case CirculateNotify: {
+ XCirculateEvent *e = &event->xcirculate;
+ fgWarning( "%s: event=0x%x, window=0x%x, place=%s",
+ fghTypeToString( e->type ), e->event, e->window,
+ fghPlaceToString( e->place ) );
+ break;
+ }
+
+ case CirculateRequest: {
+ XCirculateRequestEvent *e = &event->xcirculaterequest;
+ fgWarning( "%s: parent=0x%x, window=0x%x, place=%s",
+ fghTypeToString( e->type ), e->parent, e->window,
+ fghPlaceToString( e->place ) );
+ break;
+ }
+
+ case PropertyNotify: {
+ XPropertyEvent *e = &event->xproperty;
+ fgWarning( "%s: window=0x%x, atom=%lu, time=%lu, state=%s",
+ fghTypeToString( e->type ), e->window,
+ (unsigned long)e->atom, (unsigned long)e->time,
+ fghPropertyStateToString( e->state ) );
+ break;
+ }
+
+ case SelectionClear: {
+ XSelectionClearEvent *e = &event->xselectionclear;
+ fgWarning( "%s: window=0x%x, selection=%lu, time=%lu",
+ fghTypeToString( e->type ), e->window,
+ (unsigned long)e->selection, (unsigned long)e->time );
+ break;
+ }
+
+ case SelectionRequest: {
+ XSelectionRequestEvent *e = &event->xselectionrequest;
+ fgWarning( "%s: owner=0x%x, requestor=0x%x, selection=0x%x, "
+ "target=0x%x, property=%lu, time=%lu",
+ fghTypeToString( e->type ), e->owner, e->requestor,
+ (unsigned long)e->selection, (unsigned long)e->target,
+ (unsigned long)e->property, (unsigned long)e->time );
+ break;
+ }
+
+ case SelectionNotify: {
+ XSelectionEvent *e = &event->xselection;
+ fgWarning( "%s: requestor=0x%x, selection=0x%x, target=0x%x, "
+ "property=%lu, time=%lu", fghTypeToString( e->type ),
+ e->requestor, (unsigned long)e->selection,
+ (unsigned long)e->target, (unsigned long)e->property,
+ (unsigned long)e->time );
+ break;
+ }
+
+ case ColormapNotify: {
+ XColormapEvent *e = &event->xcolormap;
+ fgWarning( "%s: window=0x%x, colormap=%lu, new=%s, state=%s",
+ fghTypeToString( e->type ), e->window,
+ (unsigned long)e->colormap, fghBoolToString( e->new ),
+ fghColormapStateToString( e->state ) );
+ break;
+ }
+
+ case ClientMessage: {
+ XClientMessageEvent *e = &event->xclient;
+ char buf[ 61 ];
+ char* p = buf;
+ char* end = buf + sizeof( buf );
+ int i;
+ switch( e->format ) {
+ case 8:
+ for ( i = 0; i < 20; i++, p += 3 ) {
+ snprintf( p, end - p, " %02x", e->data.b[ i ] );
+ }
+ break;
+ case 16:
+ for ( i = 0; i < 10; i++, p += 5 ) {
+ snprintf( p, end - p, " %04x", e->data.s[ i ] );
+ }
+ break;
+ case 32:
+ for ( i = 0; i < 5; i++, p += 9 ) {
+ snprintf( p, end - p, " %08lx", e->data.l[ i ] );
+ }
+ break;
+ }
+ *p = '\0';
+ fgWarning( "%s: window=0x%x, message_type=%lu, format=%d, data=(%s )",
+ fghTypeToString( e->type ), e->window,
+ (unsigned long)e->message_type, e->format, buf );
+ break;
+ }
+
+ case MappingNotify: {
+ XMappingEvent *e = &event->xmapping;
+ fgWarning( "%s: window=0x%x, request=%s, first_keycode=%d, count=%d",
+ fghTypeToString( e->type ), e->window,
+ fghMappingRequestToString( e->request ), e->first_keycode,
+ e->count );
+ break;
+ }
+
+ default: {
+ fgWarning( "%s", fghTypeToString( event->type ) );
+ break;
+ }
+ }
+}
+
+
+void fgPlatformProcessSingleEvent ( void )
+{
+ SFG_Window* window;
+ XEvent event;
+
+ /* This code was repeated constantly, so here it goes into a definition: */
+#define GETWINDOW(a) \
+ window = fgWindowByHandle( event.a.window ); \
+ if( window == NULL ) \
+ break;
+
+#define GETMOUSE(a) \
+ window->State.MouseX = event.a.x; \
+ window->State.MouseY = event.a.y;
+
+ FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutMainLoopEvent" );
+
+ while( XPending( fgDisplay.pDisplay.Display ) )
+ {
+ XNextEvent( fgDisplay.pDisplay.Display, &event );
+#if _DEBUG
+ fghPrintEvent( &event );
+#endif
+
+ switch( event.type )
+ {
+ case ClientMessage:
+ if(fgIsSpaceballXEvent(&event)) {
+ fgSpaceballHandleXEvent(&event);
+ break;
+ }
+ /* Destroy the window when the WM_DELETE_WINDOW message arrives */
+ if( (Atom) event.xclient.data.l[ 0 ] == fgDisplay.pDisplay.DeleteWindow )
+ {
+ GETWINDOW( xclient );
+
+ fgDestroyWindow ( window );
+
+ if( fgState.ActionOnWindowClose == GLUT_ACTION_EXIT )
+ {
+ fgDeinitialize( );
+ exit( 0 );
+ }
+ else if( fgState.ActionOnWindowClose == GLUT_ACTION_GLUTMAINLOOP_RETURNS )
+ fgState.ExecState = GLUT_EXEC_STATE_STOP;
+
+ return;
+ }
+ break;
+
+ /*
+ * CreateNotify causes a configure-event so that sub-windows are
+ * handled compatibly with GLUT. Otherwise, your sub-windows
+ * (in freeglut only) will not get an initial reshape event,
+ * which can break things.
+ *
+ * GLUT presumably does this because it generally tries to treat
+ * sub-windows the same as windows.
+ */
+ case CreateNotify:
+ case ConfigureNotify:
+ {
+ int width, height;
+ if( event.type == CreateNotify ) {
+ GETWINDOW( xcreatewindow );
+ width = event.xcreatewindow.width;
+ height = event.xcreatewindow.height;
+ } else {
+ GETWINDOW( xconfigure );
+ width = event.xconfigure.width;
+ height = event.xconfigure.height;
+ }
+
+ if( ( width != window->State.pWState.OldWidth ) ||
+ ( height != window->State.pWState.OldHeight ) )
+ {
+ SFG_Window *current_window = fgStructure.CurrentWindow;
+
+ window->State.pWState.OldWidth = width;
+ window->State.pWState.OldHeight = height;
+ if( FETCH_WCB( *window, Reshape ) )
+ INVOKE_WCB( *window, Reshape, ( width, height ) );
+ else
+ {
+ fgSetWindow( window );
+ glViewport( 0, 0, width, height );
+ }
+ glutPostRedisplay( );
+ if( window->IsMenu )
+ fgSetWindow( current_window );
+ }
+ }
+ break;
+
+ case DestroyNotify:
+ /*
+ * This is sent to confirm the XDestroyWindow call.
+ *
+ * XXX WHY is this commented out? Should we re-enable it?
+ */
+ /* fgAddToWindowDestroyList ( window ); */
+ break;
+
+ case Expose:
+ /*
+ * We are too dumb to process partial exposes...
+ *
+ * XXX Well, we could do it. However, it seems to only
+ * XXX be potentially useful for single-buffered (since
+ * XXX double-buffered does not respect viewport when we
+ * XXX do a buffer-swap).
+ *
+ */
+ if( event.xexpose.count == 0 )
+ {
+ GETWINDOW( xexpose );
+ window->State.Redisplay = GL_TRUE;
+ }
+ break;
+
+ case MapNotify:
+ break;
+
+ case UnmapNotify:
+ /* We get this when iconifying a window. */
+ GETWINDOW( xunmap );
+ INVOKE_WCB( *window, WindowStatus, ( GLUT_HIDDEN ) );
+ window->State.Visible = GL_FALSE;
+ break;
+
+ case MappingNotify:
+ /*
+ * Have the client's keyboard knowledge updated (xlib.ps,
+ * page 206, says that's a good thing to do)
+ */
+ XRefreshKeyboardMapping( (XMappingEvent *) &event );
+ break;
+
+ case VisibilityNotify:
+ {
+ /*
+ * Sending this event, the X server can notify us that the window
+ * has just acquired one of the three possible visibility states:
+ * VisibilityUnobscured, VisibilityPartiallyObscured or
+ * VisibilityFullyObscured. Note that we DO NOT receive a
+ * VisibilityNotify event when iconifying a window, we only get an
+ * UnmapNotify then.
+ */
+ GETWINDOW( xvisibility );
+ switch( event.xvisibility.state )
+ {
+ case VisibilityUnobscured:
+ INVOKE_WCB( *window, WindowStatus, ( GLUT_FULLY_RETAINED ) );
+ window->State.Visible = GL_TRUE;
+ break;
+
+ case VisibilityPartiallyObscured:
+ INVOKE_WCB( *window, WindowStatus,
+ ( GLUT_PARTIALLY_RETAINED ) );
+ window->State.Visible = GL_TRUE;
+ break;
+
+ case VisibilityFullyObscured:
+ INVOKE_WCB( *window, WindowStatus, ( GLUT_FULLY_COVERED ) );
+ window->State.Visible = GL_FALSE;
+ break;
+
+ default:
+ fgWarning( "Unknown X visibility state: %d",
+ event.xvisibility.state );
+ break;
+ }
+ }
+ break;
+
+ case EnterNotify:
+ case LeaveNotify:
+ GETWINDOW( xcrossing );
+ GETMOUSE( xcrossing );
+ if( ( event.type == LeaveNotify ) && window->IsMenu &&
+ window->ActiveMenu && window->ActiveMenu->IsActive )
+ fgUpdateMenuHighlight( window->ActiveMenu );
+
+ INVOKE_WCB( *window, Entry, ( ( EnterNotify == event.type ) ?
+ GLUT_ENTERED :
+ GLUT_LEFT ) );
+ break;
+
+ case MotionNotify:
+ {
+ GETWINDOW( xmotion );
+ GETMOUSE( xmotion );
+
+ if( window->ActiveMenu )
+ {
+ if( window == window->ActiveMenu->ParentWindow )
+ {
+ window->ActiveMenu->Window->State.MouseX =
+ event.xmotion.x_root - window->ActiveMenu->X;
+ window->ActiveMenu->Window->State.MouseY =
+ event.xmotion.y_root - window->ActiveMenu->Y;
+ }
+
+ fgUpdateMenuHighlight( window->ActiveMenu );
+
+ break;
+ }
+
+ /*
+ * XXX For more than 5 buttons, just check {event.xmotion.state},
+ * XXX rather than a host of bit-masks? Or maybe we need to
+ * XXX track ButtonPress/ButtonRelease events in our own
+ * XXX bit-mask?
+ */
+ fgState.Modifiers = fgPlatformGetModifiers( event.xmotion.state );
+ if ( event.xmotion.state & ( Button1Mask | Button2Mask | Button3Mask | Button4Mask | Button5Mask ) ) {
+ INVOKE_WCB( *window, Motion, ( event.xmotion.x,
+ event.xmotion.y ) );
+ } else {
+ INVOKE_WCB( *window, Passive, ( event.xmotion.x,
+ event.xmotion.y ) );
+ }
+ fgState.Modifiers = INVALID_MODIFIERS;
+ }
+ break;
+
+ case ButtonRelease:
+ case ButtonPress:
+ {
+ GLboolean pressed = GL_TRUE;
+ int button;
+
+ if( event.type == ButtonRelease )
+ pressed = GL_FALSE ;
+
+ /*
+ * A mouse button has been pressed or released. Traditionally,
+ * break if the window was found within the freeglut structures.
+ */
+ GETWINDOW( xbutton );
+ GETMOUSE( xbutton );
+
+ /*
+ * An X button (at least in XFree86) is numbered from 1.
+ * A GLUT button is numbered from 0.
+ * Old GLUT passed through buttons other than just the first
+ * three, though it only gave symbolic names and official
+ * support to the first three.
+ */
+ button = event.xbutton.button - 1;
+
+ /*
+ * Do not execute the application's mouse callback if a menu
+ * is hooked to this button. In that case an appropriate
+ * private call should be generated.
+ */
+ if( fgCheckActiveMenu( window, button, pressed,
+ event.xbutton.x_root, event.xbutton.y_root ) )
+ break;
+
+ /*
+ * Check if there is a mouse or mouse wheel callback hooked to the
+ * window
+ */
+ if( ! FETCH_WCB( *window, Mouse ) &&
+ ! FETCH_WCB( *window, MouseWheel ) )
+ break;
+
+ fgState.Modifiers = fgPlatformGetModifiers( event.xbutton.state );
+
+ /* Finally execute the mouse or mouse wheel callback */
+ if( ( button < glutDeviceGet ( GLUT_NUM_MOUSE_BUTTONS ) ) || ( ! FETCH_WCB( *window, MouseWheel ) ) )
+ INVOKE_WCB( *window, Mouse, ( button,
+ pressed ? GLUT_DOWN : GLUT_UP,
+ event.xbutton.x,
+ event.xbutton.y )
+ );
+ else
+ {
+ /*
+ * Map 4 and 5 to wheel zero; EVEN to +1, ODD to -1
+ * " 6 and 7 " " one; ...
+ *
+ * XXX This *should* be behind some variables/macros,
+ * XXX since the order and numbering isn't certain
+ * XXX See XFree86 configuration docs (even back in the
+ * XXX 3.x days, and especially with 4.x).
+ *
+ * XXX Note that {button} has already been decremented
+ * XXX in mapping from X button numbering to GLUT.
+ *
+ * XXX Should add support for partial wheel turns as Windows does -- 5/27/11
+ */
+ int wheel_number = (button - glutDeviceGet ( GLUT_NUM_MOUSE_BUTTONS )) / 2;
+ int direction = -1;
+ if( button % 2 )
+ direction = 1;
+
+ if( pressed )
+ INVOKE_WCB( *window, MouseWheel, ( wheel_number,
+ direction,
+ event.xbutton.x,
+ event.xbutton.y )
+ );
+ }
+ fgState.Modifiers = INVALID_MODIFIERS;
+ }
+ break;
+
+ case KeyRelease:
+ case KeyPress:
+ {
+ FGCBKeyboard keyboard_cb;
+ FGCBSpecial special_cb;
+
+ GETWINDOW( xkey );
+ GETMOUSE( xkey );
+
+ /* Detect auto repeated keys, if configured globally or per-window */
+
+ if ( fgState.KeyRepeat==GLUT_KEY_REPEAT_OFF || window->State.IgnoreKeyRepeat==GL_TRUE )
+ {
+ if (event.type==KeyRelease)
+ {
+ /*
+ * Look at X11 keystate to detect repeat mode.
+ * While X11 says the key is actually held down, we'll ignore KeyRelease/KeyPress pairs.
+ */
+
+ char keys[32];
+ XQueryKeymap( fgDisplay.pDisplay.Display, keys ); /* Look at X11 keystate to detect repeat mode */
+
+ if ( event.xkey.keycode<256 ) /* XQueryKeymap is limited to 256 keycodes */
+ {
+ if ( keys[event.xkey.keycode>>3] & (1<<(event.xkey.keycode%8)) )
+ window->State.KeyRepeating = GL_TRUE;
+ else
+ window->State.KeyRepeating = GL_FALSE;
+ }
+ }
+ }
+ else
+ window->State.KeyRepeating = GL_FALSE;
+
+ /* Cease processing this event if it is auto repeated */
+
+ if (window->State.KeyRepeating)
+ {
+ if (event.type == KeyPress) window->State.KeyRepeating = GL_FALSE;
+ break;
+ }
+
+ if( event.type == KeyPress )
+ {
+ keyboard_cb = (FGCBKeyboard)( FETCH_WCB( *window, Keyboard ));
+ special_cb = (FGCBSpecial) ( FETCH_WCB( *window, Special ));
+ }
+ else
+ {
+ keyboard_cb = (FGCBKeyboard)( FETCH_WCB( *window, KeyboardUp ));
+ special_cb = (FGCBSpecial) ( FETCH_WCB( *window, SpecialUp ));
+ }
+
+ /* Is there a keyboard/special callback hooked for this window? */
+ if( keyboard_cb || special_cb )
+ {
+ XComposeStatus composeStatus;
+ char asciiCode[ 32 ];
+ KeySym keySym;
+ int len;
+
+ /* Check for the ASCII/KeySym codes associated with the event: */
+ len = XLookupString( &event.xkey, asciiCode, sizeof(asciiCode),
+ &keySym, &composeStatus
+ );
+
+ /* GLUT API tells us to have two separate callbacks... */
+ if( len > 0 )
+ {
+ /* ...one for the ASCII translateable keypresses... */
+ if( keyboard_cb )
+ {
+ fgSetWindow( window );
+ fgState.Modifiers = fgPlatformGetModifiers( event.xkey.state );
+ keyboard_cb( asciiCode[ 0 ],
+ event.xkey.x, event.xkey.y
+ );
+ fgState.Modifiers = INVALID_MODIFIERS;
+ }
+ }
+ else
+ {
+ int special = -1;
+
+ /*
+ * ...and one for all the others, which need to be
+ * translated to GLUT_KEY_Xs...
+ */
+ switch( keySym )
+ {
+ case XK_F1: special = GLUT_KEY_F1; break;
+ case XK_F2: special = GLUT_KEY_F2; break;
+ case XK_F3: special = GLUT_KEY_F3; break;
+ case XK_F4: special = GLUT_KEY_F4; break;
+ case XK_F5: special = GLUT_KEY_F5; break;
+ case XK_F6: special = GLUT_KEY_F6; break;
+ case XK_F7: special = GLUT_KEY_F7; break;
+ case XK_F8: special = GLUT_KEY_F8; break;
+ case XK_F9: special = GLUT_KEY_F9; break;
+ case XK_F10: special = GLUT_KEY_F10; break;
+ case XK_F11: special = GLUT_KEY_F11; break;
+ case XK_F12: special = GLUT_KEY_F12; break;
+
+ case XK_KP_Left:
+ case XK_Left: special = GLUT_KEY_LEFT; break;
+ case XK_KP_Right:
+ case XK_Right: special = GLUT_KEY_RIGHT; break;
+ case XK_KP_Up:
+ case XK_Up: special = GLUT_KEY_UP; break;
+ case XK_KP_Down:
+ case XK_Down: special = GLUT_KEY_DOWN; break;
+
+ case XK_KP_Prior:
+ case XK_Prior: special = GLUT_KEY_PAGE_UP; break;
+ case XK_KP_Next:
+ case XK_Next: special = GLUT_KEY_PAGE_DOWN; break;
+ case XK_KP_Home:
+ case XK_Home: special = GLUT_KEY_HOME; break;
+ case XK_KP_End:
+ case XK_End: special = GLUT_KEY_END; break;
+ case XK_KP_Insert:
+ case XK_Insert: special = GLUT_KEY_INSERT; break;
+
+ case XK_Num_Lock : special = GLUT_KEY_NUM_LOCK; break;
+ case XK_KP_Begin : special = GLUT_KEY_BEGIN; break;
+ case XK_KP_Delete: special = GLUT_KEY_DELETE; break;
+
+ case XK_Shift_L: special = GLUT_KEY_SHIFT_L; break;
+ case XK_Shift_R: special = GLUT_KEY_SHIFT_R; break;
+ case XK_Control_L: special = GLUT_KEY_CTRL_L; break;
+ case XK_Control_R: special = GLUT_KEY_CTRL_R; break;
+ case XK_Alt_L: special = GLUT_KEY_ALT_L; break;
+ case XK_Alt_R: special = GLUT_KEY_ALT_R; break;
+ }
+
+ /*
+ * Execute the callback (if one has been specified),
+ * given that the special code seems to be valid...
+ */
+ if( special_cb && (special != -1) )
+ {
+ fgSetWindow( window );
+ fgState.Modifiers = fgPlatformGetModifiers( event.xkey.state );
+ special_cb( special, event.xkey.x, event.xkey.y );
+ fgState.Modifiers = INVALID_MODIFIERS;
+ }
+ }
+ }
+ }
+ break;
+
+ case ReparentNotify:
+ break; /* XXX Should disable this event */
+
+ /* Not handled */
+ case GravityNotify:
+ break;
+
+ default:
+ /* enter handling of Extension Events here */
+ #ifdef HAVE_X11_EXTENSIONS_XINPUT2_H
+ fgHandleExtensionEvents( &event );
+ #endif
+ break;
+ }
+ }
+}
+
+
+void fgPlatformMainLoopPreliminaryWork ( void )
+{
+}
+
projects / freeglut / blobdiff