2 * freeglut_main_x11.c
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4 * The X11-specific windows message processing methods.
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6 * Copyright (c) 1999-2000 Pawel W. Olszta. All Rights Reserved.
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7 * Written by Pawel W. Olszta, <olszta@sourceforge.net>
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8 * Copied for Platform code by Evan Felix <karcaw at gmail.com>
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9 * Creation date: Thur Feb 2 2012
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11 * Permission is hereby granted, free of charge, to any person obtaining a
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12 * copy of this software and associated documentation files (the "Software"),
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13 * to deal in the Software without restriction, including without limitation
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14 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
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15 * and/or sell copies of the Software, and to permit persons to whom the
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16 * Software is furnished to do so, subject to the following conditions:
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18 * The above copyright notice and this permission notice shall be included
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19 * in all copies or substantial portions of the Software.
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21 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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22 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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23 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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24 * PAWEL W. OLSZTA BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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25 * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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26 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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29 #include <GL/freeglut.h>
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30 #include "../Common/freeglut_internal.h"
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35 #ifdef HAVE_VFPRINTF
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36 # define VFPRINTF(s,f,a) vfprintf((s),(f),(a))
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37 #elif defined(HAVE__DOPRNT)
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38 # define VFPRINTF(s,f,a) _doprnt((f),(a),(s))
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40 # define VFPRINTF(s,f,a)
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44 * Try to get the maximum value allowed for ints, falling back to the minimum
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45 * guaranteed by ISO C99 if there is no suitable header.
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47 #ifdef HAVE_LIMITS_H
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48 # include <limits.h>
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51 # define INT_MAX 32767
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55 # define MIN(a,b) (((a)<(b)) ? (a) : (b))
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59 * TODO BEFORE THE STABLE RELEASE:
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61 * There are some issues concerning window redrawing under X11, and maybe
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62 * some events are not handled. The Win32 version lacks some more features,
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63 * but seems acceptable for not demanding purposes.
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65 * Need to investigate why the X11 version breaks out with an error when
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66 * closing a window (using the window manager, not glutDestroyWindow)...
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71 * Handle a window configuration change. When no reshape
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72 * callback is hooked, the viewport size is updated to
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73 * match the new window size.
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75 void fgPlatformReshapeWindow ( SFG_Window *window, int width, int height )
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77 XResizeWindow( fgDisplay.pDisplay.Display, window->Window.Handle,
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79 XFlush( fgDisplay.pDisplay.Display ); /* XXX Shouldn't need this */
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84 * A static helper function to execute display callback for a window
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86 void fgPlatformDisplayWindow ( SFG_Window *window )
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88 fghRedrawWindow ( window ) ;
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92 unsigned long fgPlatformSystemTime ( void )
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94 #if TARGET_HOST_SOLARIS || HAVE_GETTIMEOFDAY
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96 gettimeofday( &now, NULL );
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97 return now.tv_usec/1000 + now.tv_sec*1000;
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102 * Does the magic required to relinquish the CPU until something interesting
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106 void fgPlatformSleepForEvents( long msec )
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109 * Possibly due to aggressive use of XFlush() and friends,
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110 * it is possible to have our socket drained but still have
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111 * unprocessed events. (Or, this may just be normal with
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112 * X, anyway?) We do non-trivial processing of X events
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113 * after the event-reading loop, in any case, so we
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114 * need to allow that we may have an empty socket but non-
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115 * empty event queue.
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117 if( ! XPending( fgDisplay.pDisplay.Display ) )
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122 struct timeval wait;
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124 socket = ConnectionNumber( fgDisplay.pDisplay.Display );
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126 FD_SET( socket, &fdset );
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127 wait.tv_sec = msec / 1000;
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128 wait.tv_usec = (msec % 1000) * 1000;
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129 err = select( socket+1, &fdset, NULL, NULL, &wait );
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131 #ifdef HAVE_ERRNO_H
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132 if( ( -1 == err ) && ( errno != EINTR ) )
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133 fgWarning ( "freeglut select() error: %d", errno );
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140 * Returns GLUT modifier mask for the state field of an X11 event.
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142 int fgPlatformGetModifiers( int state )
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146 if( state & ( ShiftMask | LockMask ) )
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147 ret |= GLUT_ACTIVE_SHIFT;
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148 if( state & ControlMask )
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149 ret |= GLUT_ACTIVE_CTRL;
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150 if( state & Mod1Mask )
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151 ret |= GLUT_ACTIVE_ALT;
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156 static const char* fghTypeToString( int type )
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159 case KeyPress: return "KeyPress";
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160 case KeyRelease: return "KeyRelease";
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161 case ButtonPress: return "ButtonPress";
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162 case ButtonRelease: return "ButtonRelease";
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163 case MotionNotify: return "MotionNotify";
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164 case EnterNotify: return "EnterNotify";
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165 case LeaveNotify: return "LeaveNotify";
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166 case FocusIn: return "FocusIn";
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167 case FocusOut: return "FocusOut";
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168 case KeymapNotify: return "KeymapNotify";
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169 case Expose: return "Expose";
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170 case GraphicsExpose: return "GraphicsExpose";
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171 case NoExpose: return "NoExpose";
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172 case VisibilityNotify: return "VisibilityNotify";
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173 case CreateNotify: return "CreateNotify";
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174 case DestroyNotify: return "DestroyNotify";
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175 case UnmapNotify: return "UnmapNotify";
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176 case MapNotify: return "MapNotify";
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177 case MapRequest: return "MapRequest";
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178 case ReparentNotify: return "ReparentNotify";
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179 case ConfigureNotify: return "ConfigureNotify";
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180 case ConfigureRequest: return "ConfigureRequest";
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181 case GravityNotify: return "GravityNotify";
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182 case ResizeRequest: return "ResizeRequest";
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183 case CirculateNotify: return "CirculateNotify";
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184 case CirculateRequest: return "CirculateRequest";
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185 case PropertyNotify: return "PropertyNotify";
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186 case SelectionClear: return "SelectionClear";
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187 case SelectionRequest: return "SelectionRequest";
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188 case SelectionNotify: return "SelectionNotify";
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189 case ColormapNotify: return "ColormapNotify";
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190 case ClientMessage: return "ClientMessage";
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191 case MappingNotify: return "MappingNotify";
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192 default: return "UNKNOWN";
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196 static const char* fghBoolToString( Bool b )
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198 return b == False ? "False" : "True";
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201 static const char* fghNotifyHintToString( char is_hint )
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203 switch( is_hint ) {
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204 case NotifyNormal: return "NotifyNormal";
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205 case NotifyHint: return "NotifyHint";
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206 default: return "UNKNOWN";
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210 static const char* fghNotifyModeToString( int mode )
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213 case NotifyNormal: return "NotifyNormal";
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214 case NotifyGrab: return "NotifyGrab";
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215 case NotifyUngrab: return "NotifyUngrab";
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216 case NotifyWhileGrabbed: return "NotifyWhileGrabbed";
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217 default: return "UNKNOWN";
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221 static const char* fghNotifyDetailToString( int detail )
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224 case NotifyAncestor: return "NotifyAncestor";
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225 case NotifyVirtual: return "NotifyVirtual";
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226 case NotifyInferior: return "NotifyInferior";
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227 case NotifyNonlinear: return "NotifyNonlinear";
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228 case NotifyNonlinearVirtual: return "NotifyNonlinearVirtual";
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229 case NotifyPointer: return "NotifyPointer";
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230 case NotifyPointerRoot: return "NotifyPointerRoot";
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231 case NotifyDetailNone: return "NotifyDetailNone";
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232 default: return "UNKNOWN";
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236 static const char* fghVisibilityToString( int state ) {
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238 case VisibilityUnobscured: return "VisibilityUnobscured";
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239 case VisibilityPartiallyObscured: return "VisibilityPartiallyObscured";
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240 case VisibilityFullyObscured: return "VisibilityFullyObscured";
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241 default: return "UNKNOWN";
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245 static const char* fghConfigureDetailToString( int detail )
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248 case Above: return "Above";
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249 case Below: return "Below";
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250 case TopIf: return "TopIf";
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251 case BottomIf: return "BottomIf";
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252 case Opposite: return "Opposite";
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253 default: return "UNKNOWN";
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257 static const char* fghPlaceToString( int place )
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260 case PlaceOnTop: return "PlaceOnTop";
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261 case PlaceOnBottom: return "PlaceOnBottom";
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262 default: return "UNKNOWN";
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266 static const char* fghMappingRequestToString( int request )
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268 switch( request ) {
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269 case MappingModifier: return "MappingModifier";
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270 case MappingKeyboard: return "MappingKeyboard";
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271 case MappingPointer: return "MappingPointer";
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272 default: return "UNKNOWN";
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276 static const char* fghPropertyStateToString( int state )
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279 case PropertyNewValue: return "PropertyNewValue";
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280 case PropertyDelete: return "PropertyDelete";
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281 default: return "UNKNOWN";
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285 static const char* fghColormapStateToString( int state )
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288 case ColormapUninstalled: return "ColormapUninstalled";
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289 case ColormapInstalled: return "ColormapInstalled";
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290 default: return "UNKNOWN";
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294 static void fghPrintEvent( XEvent *event )
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296 switch( event->type ) {
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300 XKeyEvent *e = &event->xkey;
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301 fgWarning( "%s: window=0x%x, root=0x%x, subwindow=0x%x, time=%lu, "
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302 "(x,y)=(%d,%d), (x_root,y_root)=(%d,%d), state=0x%x, "
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303 "keycode=%u, same_screen=%s", fghTypeToString( e->type ),
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304 e->window, e->root, e->subwindow, (unsigned long)e->time,
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305 e->x, e->y, e->x_root, e->y_root, e->state, e->keycode,
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306 fghBoolToString( e->same_screen ) );
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311 case ButtonRelease: {
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312 XButtonEvent *e = &event->xbutton;
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313 fgWarning( "%s: window=0x%x, root=0x%x, subwindow=0x%x, time=%lu, "
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314 "(x,y)=(%d,%d), (x_root,y_root)=(%d,%d), state=0x%x, "
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315 "button=%u, same_screen=%d", fghTypeToString( e->type ),
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316 e->window, e->root, e->subwindow, (unsigned long)e->time,
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317 e->x, e->y, e->x_root, e->y_root, e->state, e->button,
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318 fghBoolToString( e->same_screen ) );
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322 case MotionNotify: {
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323 XMotionEvent *e = &event->xmotion;
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324 fgWarning( "%s: window=0x%x, root=0x%x, subwindow=0x%x, time=%lu, "
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325 "(x,y)=(%d,%d), (x_root,y_root)=(%d,%d), state=0x%x, "
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326 "is_hint=%s, same_screen=%d", fghTypeToString( e->type ),
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327 e->window, e->root, e->subwindow, (unsigned long)e->time,
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328 e->x, e->y, e->x_root, e->y_root, e->state,
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329 fghNotifyHintToString( e->is_hint ),
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330 fghBoolToString( e->same_screen ) );
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335 case LeaveNotify: {
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336 XCrossingEvent *e = &event->xcrossing;
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337 fgWarning( "%s: window=0x%x, root=0x%x, subwindow=0x%x, time=%lu, "
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338 "(x,y)=(%d,%d), mode=%s, detail=%s, same_screen=%d, "
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339 "focus=%d, state=0x%x", fghTypeToString( e->type ),
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340 e->window, e->root, e->subwindow, (unsigned long)e->time,
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341 e->x, e->y, fghNotifyModeToString( e->mode ),
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342 fghNotifyDetailToString( e->detail ), (int)e->same_screen,
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343 (int)e->focus, e->state );
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349 XFocusChangeEvent *e = &event->xfocus;
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350 fgWarning( "%s: window=0x%x, mode=%s, detail=%s",
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351 fghTypeToString( e->type ), e->window,
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352 fghNotifyModeToString( e->mode ),
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353 fghNotifyDetailToString( e->detail ) );
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357 case KeymapNotify: {
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358 XKeymapEvent *e = &event->xkeymap;
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359 char buf[32 * 2 + 1];
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361 for ( i = 0; i < 32; i++ ) {
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362 snprintf( &buf[ i * 2 ], sizeof( buf ) - i * 2,
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363 "%02x", e->key_vector[ i ] );
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366 fgWarning( "%s: window=0x%x, %s", fghTypeToString( e->type ), e->window,
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372 XExposeEvent *e = &event->xexpose;
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373 fgWarning( "%s: window=0x%x, (x,y)=(%d,%d), (width,height)=(%d,%d), "
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374 "count=%d", fghTypeToString( e->type ), e->window, e->x,
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375 e->y, e->width, e->height, e->count );
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379 case GraphicsExpose: {
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380 XGraphicsExposeEvent *e = &event->xgraphicsexpose;
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381 fgWarning( "%s: drawable=0x%x, (x,y)=(%d,%d), (width,height)=(%d,%d), "
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382 "count=%d, (major_code,minor_code)=(%d,%d)",
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383 fghTypeToString( e->type ), e->drawable, e->x, e->y,
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384 e->width, e->height, e->count, e->major_code,
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390 XNoExposeEvent *e = &event->xnoexpose;
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391 fgWarning( "%s: drawable=0x%x, (major_code,minor_code)=(%d,%d)",
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392 fghTypeToString( e->type ), e->drawable, e->major_code,
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397 case VisibilityNotify: {
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398 XVisibilityEvent *e = &event->xvisibility;
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399 fgWarning( "%s: window=0x%x, state=%s", fghTypeToString( e->type ),
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400 e->window, fghVisibilityToString( e->state) );
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404 case CreateNotify: {
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405 XCreateWindowEvent *e = &event->xcreatewindow;
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406 fgWarning( "%s: (x,y)=(%d,%d), (width,height)=(%d,%d), border_width=%d, "
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407 "window=0x%x, override_redirect=%s",
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408 fghTypeToString( e->type ), e->x, e->y, e->width, e->height,
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409 e->border_width, e->window,
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410 fghBoolToString( e->override_redirect ) );
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414 case DestroyNotify: {
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415 XDestroyWindowEvent *e = &event->xdestroywindow;
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416 fgWarning( "%s: event=0x%x, window=0x%x",
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417 fghTypeToString( e->type ), e->event, e->window );
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421 case UnmapNotify: {
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422 XUnmapEvent *e = &event->xunmap;
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423 fgWarning( "%s: event=0x%x, window=0x%x, from_configure=%s",
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424 fghTypeToString( e->type ), e->event, e->window,
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425 fghBoolToString( e->from_configure ) );
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430 XMapEvent *e = &event->xmap;
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431 fgWarning( "%s: event=0x%x, window=0x%x, override_redirect=%s",
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432 fghTypeToString( e->type ), e->event, e->window,
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433 fghBoolToString( e->override_redirect ) );
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438 XMapRequestEvent *e = &event->xmaprequest;
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439 fgWarning( "%s: parent=0x%x, window=0x%x",
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440 fghTypeToString( event->type ), e->parent, e->window );
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444 case ReparentNotify: {
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445 XReparentEvent *e = &event->xreparent;
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446 fgWarning( "%s: event=0x%x, window=0x%x, parent=0x%x, (x,y)=(%d,%d), "
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447 "override_redirect=%s", fghTypeToString( e->type ),
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448 e->event, e->window, e->parent, e->x, e->y,
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449 fghBoolToString( e->override_redirect ) );
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453 case ConfigureNotify: {
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454 XConfigureEvent *e = &event->xconfigure;
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455 fgWarning( "%s: event=0x%x, window=0x%x, (x,y)=(%d,%d), "
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456 "(width,height)=(%d,%d), border_width=%d, above=0x%x, "
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457 "override_redirect=%s", fghTypeToString( e->type ), e->event,
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458 e->window, e->x, e->y, e->width, e->height, e->border_width,
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459 e->above, fghBoolToString( e->override_redirect ) );
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463 case ConfigureRequest: {
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464 XConfigureRequestEvent *e = &event->xconfigurerequest;
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465 fgWarning( "%s: parent=0x%x, window=0x%x, (x,y)=(%d,%d), "
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466 "(width,height)=(%d,%d), border_width=%d, above=0x%x, "
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467 "detail=%s, value_mask=%lx", fghTypeToString( e->type ),
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468 e->parent, e->window, e->x, e->y, e->width, e->height,
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469 e->border_width, e->above,
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470 fghConfigureDetailToString( e->detail ), e->value_mask );
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474 case GravityNotify: {
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475 XGravityEvent *e = &event->xgravity;
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476 fgWarning( "%s: event=0x%x, window=0x%x, (x,y)=(%d,%d)",
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477 fghTypeToString( e->type ), e->event, e->window, e->x, e->y );
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481 case ResizeRequest: {
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482 XResizeRequestEvent *e = &event->xresizerequest;
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483 fgWarning( "%s: window=0x%x, (width,height)=(%d,%d)",
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484 fghTypeToString( e->type ), e->window, e->width, e->height );
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488 case CirculateNotify: {
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489 XCirculateEvent *e = &event->xcirculate;
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490 fgWarning( "%s: event=0x%x, window=0x%x, place=%s",
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491 fghTypeToString( e->type ), e->event, e->window,
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492 fghPlaceToString( e->place ) );
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496 case CirculateRequest: {
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497 XCirculateRequestEvent *e = &event->xcirculaterequest;
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498 fgWarning( "%s: parent=0x%x, window=0x%x, place=%s",
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499 fghTypeToString( e->type ), e->parent, e->window,
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500 fghPlaceToString( e->place ) );
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504 case PropertyNotify: {
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505 XPropertyEvent *e = &event->xproperty;
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506 fgWarning( "%s: window=0x%x, atom=%lu, time=%lu, state=%s",
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507 fghTypeToString( e->type ), e->window,
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508 (unsigned long)e->atom, (unsigned long)e->time,
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509 fghPropertyStateToString( e->state ) );
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513 case SelectionClear: {
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514 XSelectionClearEvent *e = &event->xselectionclear;
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515 fgWarning( "%s: window=0x%x, selection=%lu, time=%lu",
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516 fghTypeToString( e->type ), e->window,
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517 (unsigned long)e->selection, (unsigned long)e->time );
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521 case SelectionRequest: {
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522 XSelectionRequestEvent *e = &event->xselectionrequest;
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523 fgWarning( "%s: owner=0x%x, requestor=0x%x, selection=0x%x, "
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524 "target=0x%x, property=%lu, time=%lu",
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525 fghTypeToString( e->type ), e->owner, e->requestor,
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526 (unsigned long)e->selection, (unsigned long)e->target,
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527 (unsigned long)e->property, (unsigned long)e->time );
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531 case SelectionNotify: {
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532 XSelectionEvent *e = &event->xselection;
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533 fgWarning( "%s: requestor=0x%x, selection=0x%x, target=0x%x, "
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534 "property=%lu, time=%lu", fghTypeToString( e->type ),
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535 e->requestor, (unsigned long)e->selection,
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536 (unsigned long)e->target, (unsigned long)e->property,
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537 (unsigned long)e->time );
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541 case ColormapNotify: {
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542 XColormapEvent *e = &event->xcolormap;
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543 fgWarning( "%s: window=0x%x, colormap=%lu, new=%s, state=%s",
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544 fghTypeToString( e->type ), e->window,
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545 (unsigned long)e->colormap, fghBoolToString( e->new ),
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546 fghColormapStateToString( e->state ) );
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550 case ClientMessage: {
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551 XClientMessageEvent *e = &event->xclient;
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554 char* end = buf + sizeof( buf );
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556 switch( e->format ) {
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558 for ( i = 0; i < 20; i++, p += 3 ) {
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559 snprintf( p, end - p, " %02x", e->data.b[ i ] );
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563 for ( i = 0; i < 10; i++, p += 5 ) {
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564 snprintf( p, end - p, " %04x", e->data.s[ i ] );
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568 for ( i = 0; i < 5; i++, p += 9 ) {
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569 snprintf( p, end - p, " %08lx", e->data.l[ i ] );
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574 fgWarning( "%s: window=0x%x, message_type=%lu, format=%d, data=(%s )",
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575 fghTypeToString( e->type ), e->window,
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576 (unsigned long)e->message_type, e->format, buf );
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580 case MappingNotify: {
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581 XMappingEvent *e = &event->xmapping;
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582 fgWarning( "%s: window=0x%x, request=%s, first_keycode=%d, count=%d",
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583 fghTypeToString( e->type ), e->window,
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584 fghMappingRequestToString( e->request ), e->first_keycode,
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590 fgWarning( "%s", fghTypeToString( event->type ) );
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597 void fgPlatformProcessSingleEvent ( void )
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599 SFG_Window* window;
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602 /* This code was repeated constantly, so here it goes into a definition: */
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603 #define GETWINDOW(a) \
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604 window = fgWindowByHandle( event.a.window ); \
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605 if( window == NULL ) \
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608 #define GETMOUSE(a) \
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609 window->State.MouseX = event.a.x; \
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610 window->State.MouseY = event.a.y;
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612 FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutMainLoopEvent" );
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614 while( XPending( fgDisplay.pDisplay.Display ) )
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616 XNextEvent( fgDisplay.pDisplay.Display, &event );
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618 fghPrintEvent( &event );
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621 switch( event.type )
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623 case ClientMessage:
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624 if(fgIsSpaceballXEvent(&event)) {
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625 fgSpaceballHandleXEvent(&event);
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628 /* Destroy the window when the WM_DELETE_WINDOW message arrives */
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629 if( (Atom) event.xclient.data.l[ 0 ] == fgDisplay.pDisplay.DeleteWindow )
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631 GETWINDOW( xclient );
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633 fgDestroyWindow ( window );
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635 if( fgState.ActionOnWindowClose == GLUT_ACTION_EXIT )
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640 else if( fgState.ActionOnWindowClose == GLUT_ACTION_GLUTMAINLOOP_RETURNS )
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641 fgState.ExecState = GLUT_EXEC_STATE_STOP;
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648 * CreateNotify causes a configure-event so that sub-windows are
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649 * handled compatibly with GLUT. Otherwise, your sub-windows
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650 * (in freeglut only) will not get an initial reshape event,
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651 * which can break things.
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653 * GLUT presumably does this because it generally tries to treat
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654 * sub-windows the same as windows.
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657 case ConfigureNotify:
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660 if( event.type == CreateNotify ) {
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661 GETWINDOW( xcreatewindow );
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662 width = event.xcreatewindow.width;
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663 height = event.xcreatewindow.height;
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665 GETWINDOW( xconfigure );
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666 width = event.xconfigure.width;
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667 height = event.xconfigure.height;
\r
670 if( ( width != window->State.pWState.OldWidth ) ||
\r
671 ( height != window->State.pWState.OldHeight ) )
\r
673 SFG_Window *current_window = fgStructure.CurrentWindow;
\r
675 window->State.pWState.OldWidth = width;
\r
676 window->State.pWState.OldHeight = height;
\r
677 if( FETCH_WCB( *window, Reshape ) )
\r
678 INVOKE_WCB( *window, Reshape, ( width, height ) );
\r
681 fgSetWindow( window );
\r
682 glViewport( 0, 0, width, height );
\r
684 glutPostRedisplay( );
\r
685 if( window->IsMenu )
\r
686 fgSetWindow( current_window );
\r
691 case DestroyNotify:
\r
693 * This is sent to confirm the XDestroyWindow call.
\r
695 * XXX WHY is this commented out? Should we re-enable it?
\r
697 /* fgAddToWindowDestroyList ( window ); */
\r
702 * We are too dumb to process partial exposes...
\r
704 * XXX Well, we could do it. However, it seems to only
\r
705 * XXX be potentially useful for single-buffered (since
\r
706 * XXX double-buffered does not respect viewport when we
\r
707 * XXX do a buffer-swap).
\r
710 if( event.xexpose.count == 0 )
\r
712 GETWINDOW( xexpose );
\r
713 window->State.Redisplay = GL_TRUE;
\r
721 /* We get this when iconifying a window. */
\r
722 GETWINDOW( xunmap );
\r
723 INVOKE_WCB( *window, WindowStatus, ( GLUT_HIDDEN ) );
\r
724 window->State.Visible = GL_FALSE;
\r
727 case MappingNotify:
\r
729 * Have the client's keyboard knowledge updated (xlib.ps,
\r
730 * page 206, says that's a good thing to do)
\r
732 XRefreshKeyboardMapping( (XMappingEvent *) &event );
\r
735 case VisibilityNotify:
\r
738 * Sending this event, the X server can notify us that the window
\r
739 * has just acquired one of the three possible visibility states:
\r
740 * VisibilityUnobscured, VisibilityPartiallyObscured or
\r
741 * VisibilityFullyObscured. Note that we DO NOT receive a
\r
742 * VisibilityNotify event when iconifying a window, we only get an
\r
743 * UnmapNotify then.
\r
745 GETWINDOW( xvisibility );
\r
746 switch( event.xvisibility.state )
\r
748 case VisibilityUnobscured:
\r
749 INVOKE_WCB( *window, WindowStatus, ( GLUT_FULLY_RETAINED ) );
\r
750 window->State.Visible = GL_TRUE;
\r
753 case VisibilityPartiallyObscured:
\r
754 INVOKE_WCB( *window, WindowStatus,
\r
755 ( GLUT_PARTIALLY_RETAINED ) );
\r
756 window->State.Visible = GL_TRUE;
\r
759 case VisibilityFullyObscured:
\r
760 INVOKE_WCB( *window, WindowStatus, ( GLUT_FULLY_COVERED ) );
\r
761 window->State.Visible = GL_FALSE;
\r
765 fgWarning( "Unknown X visibility state: %d",
\r
766 event.xvisibility.state );
\r
774 GETWINDOW( xcrossing );
\r
775 GETMOUSE( xcrossing );
\r
776 if( ( event.type == LeaveNotify ) && window->IsMenu &&
\r
777 window->ActiveMenu && window->ActiveMenu->IsActive )
\r
778 fgUpdateMenuHighlight( window->ActiveMenu );
\r
780 INVOKE_WCB( *window, Entry, ( ( EnterNotify == event.type ) ?
\r
787 GETWINDOW( xmotion );
\r
788 GETMOUSE( xmotion );
\r
790 if( window->ActiveMenu )
\r
792 if( window == window->ActiveMenu->ParentWindow )
\r
794 window->ActiveMenu->Window->State.MouseX =
\r
795 event.xmotion.x_root - window->ActiveMenu->X;
\r
796 window->ActiveMenu->Window->State.MouseY =
\r
797 event.xmotion.y_root - window->ActiveMenu->Y;
\r
800 fgUpdateMenuHighlight( window->ActiveMenu );
\r
806 * XXX For more than 5 buttons, just check {event.xmotion.state},
\r
807 * XXX rather than a host of bit-masks? Or maybe we need to
\r
808 * XXX track ButtonPress/ButtonRelease events in our own
\r
811 fgState.Modifiers = fgPlatformGetModifiers( event.xmotion.state );
\r
812 if ( event.xmotion.state & ( Button1Mask | Button2Mask | Button3Mask | Button4Mask | Button5Mask ) ) {
\r
813 INVOKE_WCB( *window, Motion, ( event.xmotion.x,
\r
814 event.xmotion.y ) );
\r
816 INVOKE_WCB( *window, Passive, ( event.xmotion.x,
\r
817 event.xmotion.y ) );
\r
819 fgState.Modifiers = INVALID_MODIFIERS;
\r
823 case ButtonRelease:
\r
826 GLboolean pressed = GL_TRUE;
\r
829 if( event.type == ButtonRelease )
\r
830 pressed = GL_FALSE ;
\r
833 * A mouse button has been pressed or released. Traditionally,
\r
834 * break if the window was found within the freeglut structures.
\r
836 GETWINDOW( xbutton );
\r
837 GETMOUSE( xbutton );
\r
840 * An X button (at least in XFree86) is numbered from 1.
\r
841 * A GLUT button is numbered from 0.
\r
842 * Old GLUT passed through buttons other than just the first
\r
843 * three, though it only gave symbolic names and official
\r
844 * support to the first three.
\r
846 button = event.xbutton.button - 1;
\r
849 * Do not execute the application's mouse callback if a menu
\r
850 * is hooked to this button. In that case an appropriate
\r
851 * private call should be generated.
\r
853 if( fgCheckActiveMenu( window, button, pressed,
\r
854 event.xbutton.x_root, event.xbutton.y_root ) )
\r
858 * Check if there is a mouse or mouse wheel callback hooked to the
\r
861 if( ! FETCH_WCB( *window, Mouse ) &&
\r
862 ! FETCH_WCB( *window, MouseWheel ) )
\r
865 fgState.Modifiers = fgPlatformGetModifiers( event.xbutton.state );
\r
867 /* Finally execute the mouse or mouse wheel callback */
\r
868 if( ( button < glutDeviceGet ( GLUT_NUM_MOUSE_BUTTONS ) ) || ( ! FETCH_WCB( *window, MouseWheel ) ) )
\r
869 INVOKE_WCB( *window, Mouse, ( button,
\r
870 pressed ? GLUT_DOWN : GLUT_UP,
\r
877 * Map 4 and 5 to wheel zero; EVEN to +1, ODD to -1
\r
878 * " 6 and 7 " " one; ...
\r
880 * XXX This *should* be behind some variables/macros,
\r
881 * XXX since the order and numbering isn't certain
\r
882 * XXX See XFree86 configuration docs (even back in the
\r
883 * XXX 3.x days, and especially with 4.x).
\r
885 * XXX Note that {button} has already been decremented
\r
886 * XXX in mapping from X button numbering to GLUT.
\r
888 * XXX Should add support for partial wheel turns as Windows does -- 5/27/11
\r
890 int wheel_number = (button - glutDeviceGet ( GLUT_NUM_MOUSE_BUTTONS )) / 2;
\r
891 int direction = -1;
\r
896 INVOKE_WCB( *window, MouseWheel, ( wheel_number,
\r
902 fgState.Modifiers = INVALID_MODIFIERS;
\r
909 FGCBKeyboard keyboard_cb;
\r
910 FGCBSpecial special_cb;
\r
915 /* Detect auto repeated keys, if configured globally or per-window */
\r
917 if ( fgState.KeyRepeat==GLUT_KEY_REPEAT_OFF || window->State.IgnoreKeyRepeat==GL_TRUE )
\r
919 if (event.type==KeyRelease)
\r
922 * Look at X11 keystate to detect repeat mode.
\r
923 * While X11 says the key is actually held down, we'll ignore KeyRelease/KeyPress pairs.
\r
927 XQueryKeymap( fgDisplay.pDisplay.Display, keys ); /* Look at X11 keystate to detect repeat mode */
\r
929 if ( event.xkey.keycode<256 ) /* XQueryKeymap is limited to 256 keycodes */
\r
931 if ( keys[event.xkey.keycode>>3] & (1<<(event.xkey.keycode%8)) )
\r
932 window->State.KeyRepeating = GL_TRUE;
\r
934 window->State.KeyRepeating = GL_FALSE;
\r
939 window->State.KeyRepeating = GL_FALSE;
\r
941 /* Cease processing this event if it is auto repeated */
\r
943 if (window->State.KeyRepeating)
\r
945 if (event.type == KeyPress) window->State.KeyRepeating = GL_FALSE;
\r
949 if( event.type == KeyPress )
\r
951 keyboard_cb = (FGCBKeyboard)( FETCH_WCB( *window, Keyboard ));
\r
952 special_cb = (FGCBSpecial) ( FETCH_WCB( *window, Special ));
\r
956 keyboard_cb = (FGCBKeyboard)( FETCH_WCB( *window, KeyboardUp ));
\r
957 special_cb = (FGCBSpecial) ( FETCH_WCB( *window, SpecialUp ));
\r
960 /* Is there a keyboard/special callback hooked for this window? */
\r
961 if( keyboard_cb || special_cb )
\r
963 XComposeStatus composeStatus;
\r
964 char asciiCode[ 32 ];
\r
968 /* Check for the ASCII/KeySym codes associated with the event: */
\r
969 len = XLookupString( &event.xkey, asciiCode, sizeof(asciiCode),
\r
970 &keySym, &composeStatus
\r
973 /* GLUT API tells us to have two separate callbacks... */
\r
976 /* ...one for the ASCII translateable keypresses... */
\r
979 fgSetWindow( window );
\r
980 fgState.Modifiers = fgPlatformGetModifiers( event.xkey.state );
\r
981 keyboard_cb( asciiCode[ 0 ],
\r
982 event.xkey.x, event.xkey.y
\r
984 fgState.Modifiers = INVALID_MODIFIERS;
\r
992 * ...and one for all the others, which need to be
\r
993 * translated to GLUT_KEY_Xs...
\r
997 case XK_F1: special = GLUT_KEY_F1; break;
\r
998 case XK_F2: special = GLUT_KEY_F2; break;
\r
999 case XK_F3: special = GLUT_KEY_F3; break;
\r
1000 case XK_F4: special = GLUT_KEY_F4; break;
\r
1001 case XK_F5: special = GLUT_KEY_F5; break;
\r
1002 case XK_F6: special = GLUT_KEY_F6; break;
\r
1003 case XK_F7: special = GLUT_KEY_F7; break;
\r
1004 case XK_F8: special = GLUT_KEY_F8; break;
\r
1005 case XK_F9: special = GLUT_KEY_F9; break;
\r
1006 case XK_F10: special = GLUT_KEY_F10; break;
\r
1007 case XK_F11: special = GLUT_KEY_F11; break;
\r
1008 case XK_F12: special = GLUT_KEY_F12; break;
\r
1011 case XK_Left: special = GLUT_KEY_LEFT; break;
\r
1013 case XK_Right: special = GLUT_KEY_RIGHT; break;
\r
1015 case XK_Up: special = GLUT_KEY_UP; break;
\r
1017 case XK_Down: special = GLUT_KEY_DOWN; break;
\r
1020 case XK_Prior: special = GLUT_KEY_PAGE_UP; break;
\r
1022 case XK_Next: special = GLUT_KEY_PAGE_DOWN; break;
\r
1024 case XK_Home: special = GLUT_KEY_HOME; break;
\r
1026 case XK_End: special = GLUT_KEY_END; break;
\r
1027 case XK_KP_Insert:
\r
1028 case XK_Insert: special = GLUT_KEY_INSERT; break;
\r
1030 case XK_Num_Lock : special = GLUT_KEY_NUM_LOCK; break;
\r
1031 case XK_KP_Begin : special = GLUT_KEY_BEGIN; break;
\r
1032 case XK_KP_Delete: special = GLUT_KEY_DELETE; break;
\r
1034 case XK_Shift_L: special = GLUT_KEY_SHIFT_L; break;
\r
1035 case XK_Shift_R: special = GLUT_KEY_SHIFT_R; break;
\r
1036 case XK_Control_L: special = GLUT_KEY_CTRL_L; break;
\r
1037 case XK_Control_R: special = GLUT_KEY_CTRL_R; break;
\r
1038 case XK_Alt_L: special = GLUT_KEY_ALT_L; break;
\r
1039 case XK_Alt_R: special = GLUT_KEY_ALT_R; break;
\r
1043 * Execute the callback (if one has been specified),
\r
1044 * given that the special code seems to be valid...
\r
1046 if( special_cb && (special != -1) )
\r
1048 fgSetWindow( window );
\r
1049 fgState.Modifiers = fgPlatformGetModifiers( event.xkey.state );
\r
1050 special_cb( special, event.xkey.x, event.xkey.y );
\r
1051 fgState.Modifiers = INVALID_MODIFIERS;
\r
1058 case ReparentNotify:
\r
1059 break; /* XXX Should disable this event */
\r
1062 case GravityNotify:
\r
1066 /* enter handling of Extension Events here */
\r
1067 #ifdef HAVE_X11_EXTENSIONS_XINPUT2_H
\r
1068 fgHandleExtensionEvents( &event );
\r
1076 void fgPlatformMainLoopPreliminaryWork ( void )
\r