4 * The callbacks setting methods.
6 * Copyright (c) 1999-2000 Pawel W. Olszta. All Rights Reserved.
7 * Written by Pawel W. Olszta, <olszta@sourceforge.net>
8 * Creation date: Fri Dec 3 1999
10 * Permission is hereby granted, free of charge, to any person obtaining a
11 * copy of this software and associated documentation files (the "Software"),
12 * to deal in the Software without restriction, including without limitation
13 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
14 * and/or sell copies of the Software, and to permit persons to whom the
15 * Software is furnished to do so, subject to the following conditions:
17 * The above copyright notice and this permission notice shall be included
18 * in all copies or substantial portions of the Software.
20 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
21 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
22 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
23 * PAWEL W. OLSZTA BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
24 * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
25 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
32 #include "../include/GL/freeglut.h"
33 #include "freeglut_internal.h"
36 /* -- INTERFACE FUNCTIONS -------------------------------------------------- */
39 * All of the callbacks setting methods can be generalized to this:
41 #define SET_CALLBACK(a) \
42 if( fgStructure.Window == NULL ) \
44 FETCH_WCB( ( *( fgStructure.Window ) ), a ) = callback;
47 * Sets the Display callback for the current window
49 void FGAPIENTRY glutDisplayFunc( void (* callback)( void ) )
52 fgError( "Fatal error in program. NULL display callback not "
53 "permitted in GLUT 3.0+ or freeglut 2.0.1+\n" );
54 SET_CALLBACK( Display );
55 fgStructure.Window->State.Redisplay = GL_TRUE;
59 * Sets the Reshape callback for the current window
61 void FGAPIENTRY glutReshapeFunc( void (* callback)( int, int ) )
63 SET_CALLBACK( Reshape );
67 * Sets the Keyboard callback for the current window
69 void FGAPIENTRY glutKeyboardFunc( void (* callback)
70 ( unsigned char, int, int ) )
72 SET_CALLBACK( Keyboard );
76 * Sets the Special callback for the current window
78 void FGAPIENTRY glutSpecialFunc( void (* callback)( int, int, int ) )
80 SET_CALLBACK( Special );
84 * Sets the global idle callback
86 void FGAPIENTRY glutIdleFunc( void (* callback)( void ) )
88 freeglut_assert_ready;
89 fgState.IdleCallback = callback;
93 * Sets the Timer callback for the current window
95 void FGAPIENTRY glutTimerFunc( unsigned int timeOut, void (* callback)( int ),
98 SFG_Timer *timer, *node;
100 freeglut_assert_ready;
102 if( (timer = fgState.FreeTimers.Last) )
104 fgListRemove( &fgState.FreeTimers, &timer->Node );
108 if( ! (timer = malloc(sizeof(SFG_Timer))) )
109 fgError( "Fatal error: "
110 "Memory allocation failure in glutTimerFunc()\n" );
113 timer->Callback = callback;
115 timer->TriggerTime = fgElapsedTime() + timeOut;
117 for( node = fgState.Timers.First; node; node = node->Node.Next )
119 if( node->TriggerTime > timer->TriggerTime )
123 fgListInsert( &fgState.Timers, &node->Node, &timer->Node );
127 * Sets the Visibility callback for the current window.
129 static void fghVisibility( int status )
131 int glut_status = GLUT_VISIBLE;
133 freeglut_assert_ready;
134 freeglut_return_if_fail( fgStructure.Window );
136 if( ( GLUT_HIDDEN == status ) || ( GLUT_FULLY_COVERED == status ) )
137 glut_status = GLUT_NOT_VISIBLE;
138 INVOKE_WCB( *( fgStructure.Window ), Visibility, ( glut_status ) );
141 void FGAPIENTRY glutVisibilityFunc( void (* callback)( int ) )
143 SET_CALLBACK( Visibility );
146 glutWindowStatusFunc( fghVisibility );
148 glutWindowStatusFunc( NULL );
152 * Sets the keyboard key release callback for the current window
154 void FGAPIENTRY glutKeyboardUpFunc( void (* callback)
155 ( unsigned char, int, int ) )
157 SET_CALLBACK( KeyboardUp );
161 * Sets the special key release callback for the current window
163 void FGAPIENTRY glutSpecialUpFunc( void (* callback)( int, int, int ) )
165 SET_CALLBACK( SpecialUp );
169 * Sets the joystick callback and polling rate for the current window
171 void FGAPIENTRY glutJoystickFunc( void (* callback)
172 ( unsigned int, int, int, int ),
175 SET_CALLBACK( Joystick );
176 fgStructure.Window->State.JoystickPollRate = pollInterval;
178 fgStructure.Window->State.JoystickLastPoll =
179 fgElapsedTime() - fgStructure.Window->State.JoystickPollRate;
181 if( fgStructure.Window->State.JoystickLastPoll < 0 )
182 fgStructure.Window->State.JoystickLastPoll = 0;
186 * Sets the mouse callback for the current window
188 void FGAPIENTRY glutMouseFunc( void (* callback)( int, int, int, int ) )
190 SET_CALLBACK( Mouse );
194 * Sets the mouse wheel callback for the current window
196 void FGAPIENTRY glutMouseWheelFunc( void (* callback)( int, int, int, int ) )
198 SET_CALLBACK( MouseWheel );
202 * Sets the mouse motion callback for the current window (one or more buttons
205 void FGAPIENTRY glutMotionFunc( void (* callback)( int, int ) )
207 SET_CALLBACK( Motion );
211 * Sets the passive mouse motion callback for the current window (no mouse
212 * buttons are pressed)
214 void FGAPIENTRY glutPassiveMotionFunc( void (* callback)( int, int ) )
216 SET_CALLBACK( Passive );
220 * Window mouse entry/leave callback
222 void FGAPIENTRY glutEntryFunc( void (* callback)( int ) )
224 SET_CALLBACK( Entry );
228 * Window destruction callbacks
230 void FGAPIENTRY glutCloseFunc( void (* callback)( void ) )
232 SET_CALLBACK( Destroy );
235 void FGAPIENTRY glutWMCloseFunc( void (* callback)( void ) )
237 glutCloseFunc( callback );
240 /* A. Donev: Destruction callback for menus */
241 void FGAPIENTRY glutMenuDestroyFunc( void (* callback)( void ) )
243 if( fgStructure.Menu )
244 fgStructure.Menu->Destroy = callback;
248 * Deprecated version of glutMenuStatusFunc callback setting method
250 void FGAPIENTRY glutMenuStateFunc( void (* callback)( int ) )
252 freeglut_assert_ready;
253 fgState.MenuStateCallback = callback;
257 * Sets the global menu status callback for the current window
259 void FGAPIENTRY glutMenuStatusFunc( void (* callback)( int, int, int ) )
261 freeglut_assert_ready;
262 fgState.MenuStatusCallback = callback;
266 * Sets the overlay display callback for the current window
268 void FGAPIENTRY glutOverlayDisplayFunc( void (* callback)( void ) )
270 SET_CALLBACK( OverlayDisplay );
274 * Sets the window status callback for the current window
276 void FGAPIENTRY glutWindowStatusFunc( void (* callback)( int ) )
278 SET_CALLBACK( WindowStatus );
282 * Sets the spaceball motion callback for the current window
284 void FGAPIENTRY glutSpaceballMotionFunc( void (* callback)( int, int, int ) )
286 SET_CALLBACK( SpaceMotion );
290 * Sets the spaceball rotate callback for the current window
292 void FGAPIENTRY glutSpaceballRotateFunc( void (* callback)( int, int, int ) )
294 SET_CALLBACK( SpaceRotation );
298 * Sets the spaceball button callback for the current window
300 void FGAPIENTRY glutSpaceballButtonFunc( void (* callback)( int, int ) )
302 SET_CALLBACK( SpaceButton );
306 * Sets the button box callback for the current window
308 void FGAPIENTRY glutButtonBoxFunc( void (* callback)( int, int ) )
310 SET_CALLBACK( ButtonBox );
314 * Sets the dials box callback for the current window
316 void FGAPIENTRY glutDialsFunc( void (* callback)( int, int ) )
318 SET_CALLBACK( Dials );
322 * Sets the tablet motion callback for the current window
324 void FGAPIENTRY glutTabletMotionFunc( void (* callback)( int, int ) )
326 SET_CALLBACK( TabletMotion );
330 * Sets the tablet buttons callback for the current window
332 void FGAPIENTRY glutTabletButtonFunc( void (* callback)( int, int, int, int ) )
334 SET_CALLBACK( TabletButton );
337 /*** END OF FILE ***/