| /contrib/sdk/sources/SDL-1.2.2/src/events/SDL_active.c |
|---|
| 0,0 → 1,91 |
| /* |
| SDL - Simple DirectMedia Layer |
| Copyright (C) 1997, 1998, 1999, 2000, 2001 Sam Lantinga |
| This library is free software; you can redistribute it and/or |
| modify it under the terms of the GNU Library General Public |
| License as published by the Free Software Foundation; either |
| version 2 of the License, or (at your option) any later version. |
| This library is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| Library General Public License for more details. |
| You should have received a copy of the GNU Library General Public |
| License along with this library; if not, write to the Free |
| Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| Sam Lantinga |
| slouken@devolution.com |
| */ |
| /* Application focus/iconification handling code for SDL */ |
| #include <stdio.h> |
| #include <string.h> |
| #include "SDL_events.h" |
| #include "SDL_events_c.h" |
| /* These are static for our active event handling code */ |
| static Uint8 SDL_appstate = 0; |
| /* Public functions */ |
| int SDL_AppActiveInit(void) |
| { |
| /* Start completely active */ |
| SDL_appstate = (SDL_APPACTIVE|SDL_APPINPUTFOCUS|SDL_APPMOUSEFOCUS); |
| /* That's it! */ |
| return(0); |
| } |
| Uint8 SDL_GetAppState(void) |
| { |
| return(SDL_appstate); |
| } |
| /* This is global for SDL_eventloop.c */ |
| int SDL_PrivateAppActive(Uint8 gain, Uint8 state) |
| { |
| int posted; |
| Uint8 new_state; |
| /* Modify the current state with the given mask */ |
| if ( gain ) { |
| new_state = (SDL_appstate | state); |
| } else { |
| new_state = (SDL_appstate & ~state); |
| } |
| /* Drop events that don't change state */ |
| if ( new_state == SDL_appstate ) { |
| return(0); |
| } |
| /* Update internal active state */ |
| SDL_appstate = new_state; |
| /* Post the event, if desired */ |
| posted = 0; |
| if ( SDL_ProcessEvents[SDL_ACTIVEEVENT] == SDL_ENABLE ) { |
| SDL_Event event; |
| memset(&event, 0, sizeof(event)); |
| event.type = SDL_ACTIVEEVENT; |
| event.active.gain = gain; |
| event.active.state = state; |
| if ( (SDL_EventOK == NULL) || (*SDL_EventOK)(&event) ) { |
| posted = 1; |
| SDL_PushEvent(&event); |
| } |
| } |
| /* If we lost keyboard focus, post key-up events */ |
| if ( (state & SDL_APPINPUTFOCUS) && !gain ) { |
| SDL_ResetKeyboard(); |
| } |
| return(posted); |
| } |
| /contrib/sdk/sources/SDL-1.2.2/src/events/SDL_events.c |
|---|
| 0,0 → 1,471 |
| /* |
| SDL - Simple DirectMedia Layer |
| Copyright (C) 1997, 1998, 1999, 2000, 2001 Sam Lantinga |
| This library is free software; you can redistribute it and/or |
| modify it under the terms of the GNU Library General Public |
| License as published by the Free Software Foundation; either |
| version 2 of the License, or (at your option) any later version. |
| This library is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| Library General Public License for more details. |
| You should have received a copy of the GNU Library General Public |
| License along with this library; if not, write to the Free |
| Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| Sam Lantinga |
| slouken@devolution.com |
| */ |
| /* General event handling code for SDL */ |
| #include <stdio.h> |
| #include <string.h> |
| #include "SDL.h" |
| #include "SDL_thread.h" |
| #include "SDL_mutex.h" |
| #include "SDL_events.h" |
| #include "SDL_events_c.h" |
| #include "SDL_timer_c.h" |
| #ifndef DISABLE_JOYSTICK |
| #include "SDL_joystick_c.h" |
| #endif |
| #ifndef ENABLE_X11 |
| #define DISABLE_X11 |
| #endif |
| #include "SDL_syswm.h" |
| #include "SDL_sysevents.h" |
| /* Public data -- the event filter */ |
| SDL_EventFilter SDL_EventOK = NULL; |
| Uint8 SDL_ProcessEvents[SDL_NUMEVENTS]; |
| static Uint32 SDL_eventstate = 0; |
| /* Private data -- event queue */ |
| #define MAXEVENTS 128 |
| static struct { |
| SDL_mutex *lock; |
| int active; |
| int head; |
| int tail; |
| SDL_Event event[MAXEVENTS]; |
| int wmmsg_next; |
| struct SDL_SysWMmsg wmmsg[MAXEVENTS]; |
| } SDL_EventQ; |
| /* Private data -- event locking structure */ |
| static struct { |
| SDL_mutex *lock; |
| int safe; |
| } SDL_EventLock; |
| /* Thread functions */ |
| static SDL_Thread *SDL_EventThread = NULL; /* Thread handle */ |
| static Uint32 event_thread; /* The event thread id */ |
| void SDL_Lock_EventThread(void) |
| { |
| if ( SDL_EventThread && (SDL_ThreadID() != event_thread) ) { |
| /* Grab lock and spin until we're sure event thread stopped */ |
| SDL_mutexP(SDL_EventLock.lock); |
| while ( ! SDL_EventLock.safe ) { |
| SDL_Delay(1); |
| } |
| } |
| } |
| void SDL_Unlock_EventThread(void) |
| { |
| if ( SDL_EventThread && (SDL_ThreadID() != event_thread) ) { |
| SDL_mutexV(SDL_EventLock.lock); |
| } |
| } |
| static int SDL_GobbleEvents(void *unused) |
| { |
| SDL_SetTimerThreaded(2); |
| event_thread = SDL_ThreadID(); |
| while ( SDL_EventQ.active ) { |
| SDL_VideoDevice *video = current_video; |
| SDL_VideoDevice *this = current_video; |
| /* Get events from the video subsystem */ |
| if ( video ) { |
| video->PumpEvents(this); |
| } |
| /* Queue pending key-repeat events */ |
| SDL_CheckKeyRepeat(); |
| #ifndef DISABLE_JOYSTICK |
| /* Check for joystick state change */ |
| if ( SDL_numjoysticks && (SDL_eventstate & SDL_JOYEVENTMASK) ) { |
| SDL_JoystickUpdate(); |
| } |
| #endif |
| /* Give up the CPU for the rest of our timeslice */ |
| SDL_EventLock.safe = 1; |
| if( SDL_timer_running ) { |
| SDL_ThreadedTimerCheck(); |
| } |
| SDL_Delay(1); |
| /* Check for event locking. |
| On the P of the lock mutex, if the lock is held, this thread |
| will wait until the lock is released before continuing. The |
| safe flag will be set, meaning that the other thread can go |
| about it's business. The safe flag is reset before the V, |
| so as soon as the mutex is free, other threads can see that |
| it's not safe to interfere with the event thread. |
| */ |
| SDL_mutexP(SDL_EventLock.lock); |
| SDL_EventLock.safe = 0; |
| SDL_mutexV(SDL_EventLock.lock); |
| } |
| SDL_SetTimerThreaded(0); |
| event_thread = 0; |
| return(0); |
| } |
| static int SDL_StartEventThread(Uint32 flags) |
| { |
| /* Reset everything to zero */ |
| SDL_EventThread = NULL; |
| memset(&SDL_EventLock, 0, sizeof(SDL_EventLock)); |
| /* Create the lock and set ourselves active */ |
| #ifndef DISABLE_THREADS |
| SDL_EventQ.lock = SDL_CreateMutex(); |
| if ( SDL_EventQ.lock == NULL ) { |
| #ifdef macintosh /* On MacOS 7/8, you can't multithread, so no lock needed */ |
| ; |
| #else |
| return(-1); |
| #endif |
| } |
| #endif /* !DISABLE_THREADS */ |
| SDL_EventQ.active = 1; |
| if ( (flags&SDL_INIT_EVENTTHREAD) == SDL_INIT_EVENTTHREAD ) { |
| SDL_EventLock.lock = SDL_CreateMutex(); |
| if ( SDL_EventLock.lock == NULL ) { |
| return(-1); |
| } |
| SDL_EventLock.safe = 0; |
| SDL_EventThread = SDL_CreateThread(SDL_GobbleEvents, NULL); |
| if ( SDL_EventThread == NULL ) { |
| return(-1); |
| } |
| } else { |
| event_thread = 0; |
| } |
| return(0); |
| } |
| static void SDL_StopEventThread(void) |
| { |
| SDL_EventQ.active = 0; |
| if ( SDL_EventThread ) { |
| SDL_WaitThread(SDL_EventThread, NULL); |
| SDL_EventThread = NULL; |
| SDL_DestroyMutex(SDL_EventLock.lock); |
| } |
| SDL_DestroyMutex(SDL_EventQ.lock); |
| } |
| Uint32 SDL_EventThreadID(void) |
| { |
| return(event_thread); |
| } |
| /* Public functions */ |
| void SDL_StopEventLoop(void) |
| { |
| /* Halt the event thread, if running */ |
| SDL_StopEventThread(); |
| /* Clean out EventQ */ |
| SDL_EventQ.head = 0; |
| SDL_EventQ.tail = 0; |
| SDL_EventQ.wmmsg_next = 0; |
| } |
| /* This function (and associated calls) may be called more than once */ |
| int SDL_StartEventLoop(Uint32 flags) |
| { |
| int retcode; |
| /* Clean out the event queue */ |
| SDL_EventThread = NULL; |
| SDL_EventQ.lock = NULL; |
| SDL_StopEventLoop(); |
| /* No filter to start with, process most event types */ |
| SDL_EventOK = NULL; |
| memset(SDL_ProcessEvents,SDL_ENABLE,sizeof(SDL_ProcessEvents)); |
| SDL_eventstate = ~0; |
| /* It's not save to call SDL_EventState() yet */ |
| SDL_eventstate &= ~(0x00000001 << SDL_SYSWMEVENT); |
| SDL_ProcessEvents[SDL_SYSWMEVENT] = SDL_IGNORE; |
| /* Initialize event handlers */ |
| retcode = 0; |
| retcode += SDL_AppActiveInit(); |
| retcode += SDL_KeyboardInit(); |
| retcode += SDL_MouseInit(); |
| retcode += SDL_QuitInit(); |
| if ( retcode < 0 ) { |
| /* We don't expect them to fail, but... */ |
| return(-1); |
| } |
| /* Create the lock and event thread */ |
| if ( SDL_StartEventThread(flags) < 0 ) { |
| SDL_StopEventLoop(); |
| return(-1); |
| } |
| return(0); |
| } |
| /* Add an event to the event queue -- called with the queue locked */ |
| static int SDL_AddEvent(SDL_Event *event) |
| { |
| int tail, added; |
| tail = (SDL_EventQ.tail+1)%MAXEVENTS; |
| if ( tail == SDL_EventQ.head ) { |
| /* Overflow, drop event */ |
| added = 0; |
| } else { |
| SDL_EventQ.event[SDL_EventQ.tail] = *event; |
| if (event->type == SDL_SYSWMEVENT) { |
| /* Note that it's possible to lose an event */ |
| int next = SDL_EventQ.wmmsg_next; |
| SDL_EventQ.wmmsg[next] = *event->syswm.msg; |
| SDL_EventQ.event[SDL_EventQ.tail].syswm.msg = |
| &SDL_EventQ.wmmsg[next]; |
| SDL_EventQ.wmmsg_next = (next+1)%MAXEVENTS; |
| } |
| SDL_EventQ.tail = tail; |
| added = 1; |
| } |
| return(added); |
| } |
| /* Cut an event, and return the next valid spot, or the tail */ |
| /* -- called with the queue locked */ |
| static int SDL_CutEvent(int spot) |
| { |
| if ( spot == SDL_EventQ.head ) { |
| SDL_EventQ.head = (SDL_EventQ.head+1)%MAXEVENTS; |
| return(SDL_EventQ.head); |
| } else |
| if ( (spot+1)%MAXEVENTS == SDL_EventQ.tail ) { |
| SDL_EventQ.tail = spot; |
| return(SDL_EventQ.tail); |
| } else |
| /* We cut the middle -- shift everything over */ |
| { |
| int here, next; |
| /* This can probably be optimized with memcpy() -- careful! */ |
| if ( --SDL_EventQ.tail < 0 ) { |
| SDL_EventQ.tail = MAXEVENTS-1; |
| } |
| for ( here=spot; here != SDL_EventQ.tail; here = next ) { |
| next = (here+1)%MAXEVENTS; |
| SDL_EventQ.event[here] = SDL_EventQ.event[next]; |
| } |
| return(spot); |
| } |
| /* NOTREACHED */ |
| } |
| /* Lock the event queue, take a peep at it, and unlock it */ |
| int SDL_PeepEvents(SDL_Event *events, int numevents, SDL_eventaction action, |
| Uint32 mask) |
| { |
| int i, used; |
| /* Don't look after we've quit */ |
| if ( ! SDL_EventQ.active ) { |
| return(0); |
| } |
| /* Lock the event queue */ |
| used = 0; |
| if ( SDL_mutexP(SDL_EventQ.lock) == 0 ) { |
| if ( action == SDL_ADDEVENT ) { |
| for ( i=0; i<numevents; ++i ) { |
| used += SDL_AddEvent(&events[i]); |
| } |
| } else { |
| SDL_Event tmpevent; |
| int spot; |
| /* If 'events' is NULL, just see if they exist */ |
| if ( events == NULL ) { |
| action = SDL_PEEKEVENT; |
| numevents = 1; |
| events = &tmpevent; |
| } |
| spot = SDL_EventQ.head; |
| while ((used < numevents)&&(spot != SDL_EventQ.tail)) { |
| if ( mask & SDL_EVENTMASK(SDL_EventQ.event[spot].type) ) { |
| events[used++] = SDL_EventQ.event[spot]; |
| if ( action == SDL_GETEVENT ) { |
| spot = SDL_CutEvent(spot); |
| } else { |
| spot = (spot+1)%MAXEVENTS; |
| } |
| } else { |
| spot = (spot+1)%MAXEVENTS; |
| } |
| } |
| } |
| SDL_mutexV(SDL_EventQ.lock); |
| } else { |
| SDL_SetError("Couldn't lock event queue"); |
| used = -1; |
| } |
| return(used); |
| } |
| /* Run the system dependent event loops */ |
| void SDL_PumpEvents(void) |
| { |
| if ( !SDL_EventThread ) { |
| SDL_VideoDevice *video = current_video; |
| SDL_VideoDevice *this = current_video; |
| /* Get events from the video subsystem */ |
| if ( video ) { |
| video->PumpEvents(this); |
| } |
| /* Queue pending key-repeat events */ |
| SDL_CheckKeyRepeat(); |
| #ifndef DISABLE_JOYSTICK |
| /* Check for joystick state change */ |
| if ( SDL_numjoysticks && (SDL_eventstate & SDL_JOYEVENTMASK) ) { |
| SDL_JoystickUpdate(); |
| } |
| #endif |
| } |
| } |
| /* Public functions */ |
| int SDL_PollEvent (SDL_Event *event) |
| { |
| SDL_PumpEvents(); |
| return(SDL_PeepEvents(event, 1, SDL_GETEVENT, SDL_ALLEVENTS)); |
| } |
| int SDL_WaitEvent (SDL_Event *event) |
| { |
| while ( 1 ) { |
| SDL_PumpEvents(); |
| switch(SDL_PeepEvents(event, 1, SDL_GETEVENT, SDL_ALLEVENTS)) { |
| case -1: return -1; |
| case 1: return 1; |
| case 0: SDL_Delay(10); |
| } |
| } |
| } |
| int SDL_PushEvent(SDL_Event *event) |
| { |
| return(SDL_PeepEvents(event, 1, SDL_ADDEVENT, 0)); |
| } |
| void SDL_SetEventFilter (SDL_EventFilter filter) |
| { |
| SDL_Event bitbucket; |
| /* Set filter and discard pending events */ |
| SDL_EventOK = filter; |
| while ( SDL_PollEvent(&bitbucket) > 0 ) |
| ; |
| } |
| SDL_EventFilter SDL_GetEventFilter(void) |
| { |
| return(SDL_EventOK); |
| } |
| Uint8 SDL_EventState (Uint8 type, int state) |
| { |
| SDL_Event bitbucket; |
| Uint8 current_state; |
| /* If SDL_ALLEVENTS was specified... */ |
| if ( type == 0xFF ) { |
| current_state = SDL_IGNORE; |
| for ( type=0; type<SDL_NUMEVENTS; ++type ) { |
| if ( SDL_ProcessEvents[type] != SDL_IGNORE ) { |
| current_state = SDL_ENABLE; |
| } |
| SDL_ProcessEvents[type] = state; |
| if ( state == SDL_ENABLE ) { |
| SDL_eventstate |= (0x00000001 << (type)); |
| } else { |
| SDL_eventstate &= ~(0x00000001 << (type)); |
| } |
| } |
| while ( SDL_PollEvent(&bitbucket) > 0 ) |
| ; |
| return(current_state); |
| } |
| /* Just set the state for one event type */ |
| current_state = SDL_ProcessEvents[type]; |
| switch (state) { |
| case SDL_IGNORE: |
| case SDL_ENABLE: |
| /* Set state and discard pending events */ |
| SDL_ProcessEvents[type] = state; |
| if ( state == SDL_ENABLE ) { |
| SDL_eventstate |= (0x00000001 << (type)); |
| } else { |
| SDL_eventstate &= ~(0x00000001 << (type)); |
| } |
| while ( SDL_PollEvent(&bitbucket) > 0 ) |
| ; |
| break; |
| default: |
| /* Querying state? */ |
| break; |
| } |
| return(current_state); |
| } |
| /* This is a generic event handler. |
| */ |
| int SDL_PrivateSysWMEvent(SDL_SysWMmsg *message) |
| { |
| int posted; |
| posted = 0; |
| if ( SDL_ProcessEvents[SDL_SYSWMEVENT] == SDL_ENABLE ) { |
| SDL_Event event; |
| memset(&event, 0, sizeof(event)); |
| event.type = SDL_SYSWMEVENT; |
| event.syswm.msg = message; |
| if ( (SDL_EventOK == NULL) || (*SDL_EventOK)(&event) ) { |
| posted = 1; |
| SDL_PushEvent(&event); |
| } |
| } |
| /* Update internal event state */ |
| return(posted); |
| } |
| /contrib/sdk/sources/SDL-1.2.2/src/events/SDL_events_c.h |
|---|
| 0,0 → 1,78 |
| /* |
| SDL - Simple DirectMedia Layer |
| Copyright (C) 1997, 1998, 1999, 2000, 2001 Sam Lantinga |
| This library is free software; you can redistribute it and/or |
| modify it under the terms of the GNU Library General Public |
| License as published by the Free Software Foundation; either |
| version 2 of the License, or (at your option) any later version. |
| This library is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| Library General Public License for more details. |
| You should have received a copy of the GNU Library General Public |
| License along with this library; if not, write to the Free |
| Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| Sam Lantinga |
| slouken@devolution.com |
| */ |
| #ifdef SAVE_RCSID |
| static char rcsid = |
| "@(#) $Id: SDL_events_c.h,v 1.2 2001/04/26 16:50:17 hercules Exp $"; |
| #endif |
| /* Useful functions and variables from SDL_events.c */ |
| #include "SDL_events.h" |
| /* Start and stop the event processing loop */ |
| extern int SDL_StartEventLoop(Uint32 flags); |
| extern void SDL_StopEventLoop(void); |
| extern void SDL_QuitInterrupt(void); |
| extern void SDL_Lock_EventThread(); |
| extern void SDL_Unlock_EventThread(); |
| extern Uint32 SDL_EventThreadID(void); |
| /* Event handler init routines */ |
| extern int SDL_AppActiveInit(void); |
| extern int SDL_KeyboardInit(void); |
| extern int SDL_MouseInit(void); |
| extern int SDL_QuitInit(void); |
| /* The event filter function */ |
| extern SDL_EventFilter SDL_EventOK; |
| /* The array of event processing states */ |
| extern Uint8 SDL_ProcessEvents[SDL_NUMEVENTS]; |
| /* Internal event queueing functions |
| (from SDL_active.c, SDL_mouse.c, SDL_keyboard.c, SDL_quit.c, SDL_events.c) |
| */ |
| extern int SDL_PrivateAppActive(Uint8 gain, Uint8 state); |
| extern int SDL_PrivateMouseMotion(Uint8 buttonstate, int relative, |
| Sint16 x, Sint16 y); |
| extern int SDL_PrivateMouseButton(Uint8 state, Uint8 button,Sint16 x,Sint16 y); |
| extern int SDL_PrivateKeyboard(Uint8 state, SDL_keysym *key); |
| extern int SDL_PrivateResize(int w, int h); |
| extern int SDL_PrivateExpose(void); |
| extern int SDL_PrivateQuit(void); |
| extern int SDL_PrivateSysWMEvent(SDL_SysWMmsg *message); |
| /* Used by the activity event handler to remove mouse focus */ |
| extern void SDL_MouseFocus(int focus); |
| /* Used by the activity event handler to remove keyboard focus */ |
| extern void SDL_ResetKeyboard(void); |
| /* Used by the event loop to queue pending keyboard repeat events */ |
| extern void SDL_CheckKeyRepeat(void); |
| /* Used by the OS keyboard code to detect whether or not to do UNICODE */ |
| #ifndef DEFAULT_UNICODE_TRANSLATION |
| #define DEFAULT_UNICODE_TRANSLATION 0 /* Default off because of overhead */ |
| #endif |
| extern int SDL_TranslateUNICODE; |
| /contrib/sdk/sources/SDL-1.2.2/src/events/SDL_expose.c |
|---|
| 0,0 → 1,51 |
| /* |
| SDL - Simple DirectMedia Layer |
| Copyright (C) 1997, 1998, 1999, 2000, 2001 Sam Lantinga |
| This library is free software; you can redistribute it and/or |
| modify it under the terms of the GNU Library General Public |
| License as published by the Free Software Foundation; either |
| version 2 of the License, or (at your option) any later version. |
| This library is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| Library General Public License for more details. |
| You should have received a copy of the GNU Library General Public |
| License along with this library; if not, write to the Free |
| Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| Sam Lantinga |
| slouken@devolution.com |
| */ |
| /* Refresh event handling code for SDL */ |
| #include "SDL_events.h" |
| #include "SDL_events_c.h" |
| /* This is global for SDL_eventloop.c */ |
| int SDL_PrivateExpose(void) |
| { |
| int posted; |
| SDL_Event events[32]; |
| /* Pull out all old refresh events */ |
| SDL_PeepEvents(events, sizeof(events)/sizeof(events[0]), |
| SDL_GETEVENT, SDL_VIDEOEXPOSEMASK); |
| /* Post the event, if desired */ |
| posted = 0; |
| if ( SDL_ProcessEvents[SDL_VIDEOEXPOSE] == SDL_ENABLE ) { |
| SDL_Event event; |
| event.type = SDL_VIDEOEXPOSE; |
| if ( (SDL_EventOK == NULL) || (*SDL_EventOK)(&event) ) { |
| posted = 1; |
| SDL_PushEvent(&event); |
| } |
| } |
| return(posted); |
| } |
| /contrib/sdk/sources/SDL-1.2.2/src/events/SDL_keyboard.c |
|---|
| 0,0 → 1,560 |
| /* |
| SDL - Simple DirectMedia Layer |
| Copyright (C) 1997, 1998, 1999, 2000, 2001 Sam Lantinga |
| This library is free software; you can redistribute it and/or |
| modify it under the terms of the GNU Library General Public |
| License as published by the Free Software Foundation; either |
| version 2 of the License, or (at your option) any later version. |
| This library is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| Library General Public License for more details. |
| You should have received a copy of the GNU Library General Public |
| License along with this library; if not, write to the Free |
| Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| Sam Lantinga |
| slouken@devolution.com |
| */ |
| /* General keyboard handling code for SDL */ |
| #include <stdio.h> |
| #include <ctype.h> |
| #include <stdlib.h> |
| #include <string.h> |
| #include "SDL_error.h" |
| #include "SDL_events.h" |
| #include "SDL_timer.h" |
| #include "SDL_events_c.h" |
| #include "SDL_sysevents.h" |
| /* Global keystate information */ |
| static Uint8 SDL_KeyState[SDLK_LAST]; |
| static SDLMod SDL_ModState; |
| int SDL_TranslateUNICODE = 0; |
| static char *keynames[SDLK_LAST]; /* Array of keycode names */ |
| /* |
| * jk 991215 - added |
| */ |
| struct { |
| int firsttime; /* if we check against the delay or repeat value */ |
| int delay; /* the delay before we start repeating */ |
| int interval; /* the delay between key repeat events */ |
| Uint32 timestamp; /* the time the first keydown event occurred */ |
| SDL_Event evt; /* the event we are supposed to repeat */ |
| } SDL_KeyRepeat; |
| /* Public functions */ |
| int SDL_KeyboardInit(void) |
| { |
| SDL_VideoDevice *video = current_video; |
| SDL_VideoDevice *this = current_video; |
| Uint16 i; |
| /* Set default mode of UNICODE translation */ |
| SDL_EnableUNICODE(DEFAULT_UNICODE_TRANSLATION); |
| /* Initialize the tables */ |
| SDL_ModState = KMOD_NONE; |
| for ( i=0; i<SDL_TABLESIZE(keynames); ++i ) |
| keynames[i] = NULL; |
| for ( i=0; i<SDL_TABLESIZE(SDL_KeyState); ++i ) |
| SDL_KeyState[i] = SDL_RELEASED; |
| video->InitOSKeymap(this); |
| SDL_EnableKeyRepeat(0, 0); |
| /* Fill in the blanks in keynames */ |
| keynames[SDLK_BACKSPACE] = "backspace"; |
| keynames[SDLK_TAB] = "tab"; |
| keynames[SDLK_CLEAR] = "clear"; |
| keynames[SDLK_RETURN] = "return"; |
| keynames[SDLK_PAUSE] = "pause"; |
| keynames[SDLK_ESCAPE] = "escape"; |
| keynames[SDLK_SPACE] = "space"; |
| keynames[SDLK_EXCLAIM] = "!"; |
| keynames[SDLK_QUOTEDBL] = "\""; |
| keynames[SDLK_HASH] = "#"; |
| keynames[SDLK_DOLLAR] = "$"; |
| keynames[SDLK_AMPERSAND] = "&"; |
| keynames[SDLK_QUOTE] = "'"; |
| keynames[SDLK_LEFTPAREN] = "("; |
| keynames[SDLK_RIGHTPAREN] = ")"; |
| keynames[SDLK_ASTERISK] = "*"; |
| keynames[SDLK_PLUS] = "+"; |
| keynames[SDLK_COMMA] = ","; |
| keynames[SDLK_MINUS] = "-"; |
| keynames[SDLK_PERIOD] = "."; |
| keynames[SDLK_SLASH] = "/"; |
| keynames[SDLK_0] = "0"; |
| keynames[SDLK_1] = "1"; |
| keynames[SDLK_2] = "2"; |
| keynames[SDLK_3] = "3"; |
| keynames[SDLK_4] = "4"; |
| keynames[SDLK_5] = "5"; |
| keynames[SDLK_6] = "6"; |
| keynames[SDLK_7] = "7"; |
| keynames[SDLK_8] = "8"; |
| keynames[SDLK_9] = "9"; |
| keynames[SDLK_COLON] = ":"; |
| keynames[SDLK_SEMICOLON] = ";"; |
| keynames[SDLK_LESS] = "<"; |
| keynames[SDLK_EQUALS] = "="; |
| keynames[SDLK_GREATER] = ">"; |
| keynames[SDLK_QUESTION] = "?"; |
| keynames[SDLK_AT] = "@"; |
| keynames[SDLK_LEFTBRACKET] = "["; |
| keynames[SDLK_BACKSLASH] = "\\"; |
| keynames[SDLK_RIGHTBRACKET] = "]"; |
| keynames[SDLK_CARET] = "^"; |
| keynames[SDLK_UNDERSCORE] = "_"; |
| keynames[SDLK_BACKQUOTE] = "`"; |
| keynames[SDLK_a] = "a"; |
| keynames[SDLK_b] = "b"; |
| keynames[SDLK_c] = "c"; |
| keynames[SDLK_d] = "d"; |
| keynames[SDLK_e] = "e"; |
| keynames[SDLK_f] = "f"; |
| keynames[SDLK_g] = "g"; |
| keynames[SDLK_h] = "h"; |
| keynames[SDLK_i] = "i"; |
| keynames[SDLK_j] = "j"; |
| keynames[SDLK_k] = "k"; |
| keynames[SDLK_l] = "l"; |
| keynames[SDLK_m] = "m"; |
| keynames[SDLK_n] = "n"; |
| keynames[SDLK_o] = "o"; |
| keynames[SDLK_p] = "p"; |
| keynames[SDLK_q] = "q"; |
| keynames[SDLK_r] = "r"; |
| keynames[SDLK_s] = "s"; |
| keynames[SDLK_t] = "t"; |
| keynames[SDLK_u] = "u"; |
| keynames[SDLK_v] = "v"; |
| keynames[SDLK_w] = "w"; |
| keynames[SDLK_x] = "x"; |
| keynames[SDLK_y] = "y"; |
| keynames[SDLK_z] = "z"; |
| keynames[SDLK_DELETE] = "delete"; |
| keynames[SDLK_WORLD_0] = "world 0"; |
| keynames[SDLK_WORLD_1] = "world 1"; |
| keynames[SDLK_WORLD_2] = "world 2"; |
| keynames[SDLK_WORLD_3] = "world 3"; |
| keynames[SDLK_WORLD_4] = "world 4"; |
| keynames[SDLK_WORLD_5] = "world 5"; |
| keynames[SDLK_WORLD_6] = "world 6"; |
| keynames[SDLK_WORLD_7] = "world 7"; |
| keynames[SDLK_WORLD_8] = "world 8"; |
| keynames[SDLK_WORLD_9] = "world 9"; |
| keynames[SDLK_WORLD_10] = "world 10"; |
| keynames[SDLK_WORLD_11] = "world 11"; |
| keynames[SDLK_WORLD_12] = "world 12"; |
| keynames[SDLK_WORLD_13] = "world 13"; |
| keynames[SDLK_WORLD_14] = "world 14"; |
| keynames[SDLK_WORLD_15] = "world 15"; |
| keynames[SDLK_WORLD_16] = "world 16"; |
| keynames[SDLK_WORLD_17] = "world 17"; |
| keynames[SDLK_WORLD_18] = "world 18"; |
| keynames[SDLK_WORLD_19] = "world 19"; |
| keynames[SDLK_WORLD_20] = "world 20"; |
| keynames[SDLK_WORLD_21] = "world 21"; |
| keynames[SDLK_WORLD_22] = "world 22"; |
| keynames[SDLK_WORLD_23] = "world 23"; |
| keynames[SDLK_WORLD_24] = "world 24"; |
| keynames[SDLK_WORLD_25] = "world 25"; |
| keynames[SDLK_WORLD_26] = "world 26"; |
| keynames[SDLK_WORLD_27] = "world 27"; |
| keynames[SDLK_WORLD_28] = "world 28"; |
| keynames[SDLK_WORLD_29] = "world 29"; |
| keynames[SDLK_WORLD_30] = "world 30"; |
| keynames[SDLK_WORLD_31] = "world 31"; |
| keynames[SDLK_WORLD_32] = "world 32"; |
| keynames[SDLK_WORLD_33] = "world 33"; |
| keynames[SDLK_WORLD_34] = "world 34"; |
| keynames[SDLK_WORLD_35] = "world 35"; |
| keynames[SDLK_WORLD_36] = "world 36"; |
| keynames[SDLK_WORLD_37] = "world 37"; |
| keynames[SDLK_WORLD_38] = "world 38"; |
| keynames[SDLK_WORLD_39] = "world 39"; |
| keynames[SDLK_WORLD_40] = "world 40"; |
| keynames[SDLK_WORLD_41] = "world 41"; |
| keynames[SDLK_WORLD_42] = "world 42"; |
| keynames[SDLK_WORLD_43] = "world 43"; |
| keynames[SDLK_WORLD_44] = "world 44"; |
| keynames[SDLK_WORLD_45] = "world 45"; |
| keynames[SDLK_WORLD_46] = "world 46"; |
| keynames[SDLK_WORLD_47] = "world 47"; |
| keynames[SDLK_WORLD_48] = "world 48"; |
| keynames[SDLK_WORLD_49] = "world 49"; |
| keynames[SDLK_WORLD_50] = "world 50"; |
| keynames[SDLK_WORLD_51] = "world 51"; |
| keynames[SDLK_WORLD_52] = "world 52"; |
| keynames[SDLK_WORLD_53] = "world 53"; |
| keynames[SDLK_WORLD_54] = "world 54"; |
| keynames[SDLK_WORLD_55] = "world 55"; |
| keynames[SDLK_WORLD_56] = "world 56"; |
| keynames[SDLK_WORLD_57] = "world 57"; |
| keynames[SDLK_WORLD_58] = "world 58"; |
| keynames[SDLK_WORLD_59] = "world 59"; |
| keynames[SDLK_WORLD_60] = "world 60"; |
| keynames[SDLK_WORLD_61] = "world 61"; |
| keynames[SDLK_WORLD_62] = "world 62"; |
| keynames[SDLK_WORLD_63] = "world 63"; |
| keynames[SDLK_WORLD_64] = "world 64"; |
| keynames[SDLK_WORLD_65] = "world 65"; |
| keynames[SDLK_WORLD_66] = "world 66"; |
| keynames[SDLK_WORLD_67] = "world 67"; |
| keynames[SDLK_WORLD_68] = "world 68"; |
| keynames[SDLK_WORLD_69] = "world 69"; |
| keynames[SDLK_WORLD_70] = "world 70"; |
| keynames[SDLK_WORLD_71] = "world 71"; |
| keynames[SDLK_WORLD_72] = "world 72"; |
| keynames[SDLK_WORLD_73] = "world 73"; |
| keynames[SDLK_WORLD_74] = "world 74"; |
| keynames[SDLK_WORLD_75] = "world 75"; |
| keynames[SDLK_WORLD_76] = "world 76"; |
| keynames[SDLK_WORLD_77] = "world 77"; |
| keynames[SDLK_WORLD_78] = "world 78"; |
| keynames[SDLK_WORLD_79] = "world 79"; |
| keynames[SDLK_WORLD_80] = "world 80"; |
| keynames[SDLK_WORLD_81] = "world 81"; |
| keynames[SDLK_WORLD_82] = "world 82"; |
| keynames[SDLK_WORLD_83] = "world 83"; |
| keynames[SDLK_WORLD_84] = "world 84"; |
| keynames[SDLK_WORLD_85] = "world 85"; |
| keynames[SDLK_WORLD_86] = "world 86"; |
| keynames[SDLK_WORLD_87] = "world 87"; |
| keynames[SDLK_WORLD_88] = "world 88"; |
| keynames[SDLK_WORLD_89] = "world 89"; |
| keynames[SDLK_WORLD_90] = "world 90"; |
| keynames[SDLK_WORLD_91] = "world 91"; |
| keynames[SDLK_WORLD_92] = "world 92"; |
| keynames[SDLK_WORLD_93] = "world 93"; |
| keynames[SDLK_WORLD_94] = "world 94"; |
| keynames[SDLK_WORLD_95] = "world 95"; |
| keynames[SDLK_KP0] = "[0]"; |
| keynames[SDLK_KP1] = "[1]"; |
| keynames[SDLK_KP2] = "[2]"; |
| keynames[SDLK_KP3] = "[3]"; |
| keynames[SDLK_KP4] = "[4]"; |
| keynames[SDLK_KP5] = "[5]"; |
| keynames[SDLK_KP6] = "[6]"; |
| keynames[SDLK_KP7] = "[7]"; |
| keynames[SDLK_KP8] = "[8]"; |
| keynames[SDLK_KP9] = "[9]"; |
| keynames[SDLK_KP_PERIOD] = "[.]"; |
| keynames[SDLK_KP_DIVIDE] = "[/]"; |
| keynames[SDLK_KP_MULTIPLY] = "[*]"; |
| keynames[SDLK_KP_MINUS] = "[-]"; |
| keynames[SDLK_KP_PLUS] = "[+]"; |
| keynames[SDLK_KP_ENTER] = "enter"; |
| keynames[SDLK_KP_EQUALS] = "equals"; |
| keynames[SDLK_UP] = "up"; |
| keynames[SDLK_DOWN] = "down"; |
| keynames[SDLK_RIGHT] = "right"; |
| keynames[SDLK_LEFT] = "left"; |
| keynames[SDLK_DOWN] = "down"; |
| keynames[SDLK_INSERT] = "insert"; |
| keynames[SDLK_HOME] = "home"; |
| keynames[SDLK_END] = "end"; |
| keynames[SDLK_PAGEUP] = "page up"; |
| keynames[SDLK_PAGEDOWN] = "page down"; |
| keynames[SDLK_F1] = "f1"; |
| keynames[SDLK_F2] = "f2"; |
| keynames[SDLK_F3] = "f3"; |
| keynames[SDLK_F4] = "f4"; |
| keynames[SDLK_F5] = "f5"; |
| keynames[SDLK_F6] = "f6"; |
| keynames[SDLK_F7] = "f7"; |
| keynames[SDLK_F8] = "f8"; |
| keynames[SDLK_F9] = "f9"; |
| keynames[SDLK_F10] = "f10"; |
| keynames[SDLK_F11] = "f11"; |
| keynames[SDLK_F12] = "f12"; |
| keynames[SDLK_F13] = "f13"; |
| keynames[SDLK_F14] = "f14"; |
| keynames[SDLK_F15] = "f15"; |
| keynames[SDLK_NUMLOCK] = "numlock"; |
| keynames[SDLK_CAPSLOCK] = "caps lock"; |
| keynames[SDLK_SCROLLOCK] = "scroll lock"; |
| keynames[SDLK_RSHIFT] = "right shift"; |
| keynames[SDLK_LSHIFT] = "left shift"; |
| keynames[SDLK_RCTRL] = "right ctrl"; |
| keynames[SDLK_LCTRL] = "left ctrl"; |
| keynames[SDLK_RALT] = "right alt"; |
| keynames[SDLK_LALT] = "left alt"; |
| keynames[SDLK_RMETA] = "right meta"; |
| keynames[SDLK_LMETA] = "left meta"; |
| keynames[SDLK_LSUPER] = "left super"; /* "Windows" keys */ |
| keynames[SDLK_RSUPER] = "right super"; |
| keynames[SDLK_MODE] = "alt gr"; |
| keynames[SDLK_COMPOSE] = "compose"; |
| keynames[SDLK_HELP] = "help"; |
| keynames[SDLK_PRINT] = "print screen"; |
| keynames[SDLK_SYSREQ] = "sys req"; |
| keynames[SDLK_BREAK] = "break"; |
| keynames[SDLK_MENU] = "menu"; |
| keynames[SDLK_POWER] = "power"; |
| keynames[SDLK_EURO] = "euro"; |
| /* Done. Whew. */ |
| return(0); |
| } |
| /* We lost the keyboard, so post key up messages for all pressed keys */ |
| void SDL_ResetKeyboard(void) |
| { |
| SDL_keysym keysym; |
| SDLKey key; |
| memset(&keysym, 0, (sizeof keysym)); |
| for ( key=SDLK_FIRST; key<SDLK_LAST; ++key ) { |
| if ( SDL_KeyState[key] == SDL_PRESSED ) { |
| keysym.sym = key; |
| SDL_PrivateKeyboard(SDL_RELEASED, &keysym); |
| } |
| } |
| SDL_KeyRepeat.timestamp = 0; |
| } |
| int SDL_EnableUNICODE(int enable) |
| { |
| int old_mode; |
| old_mode = SDL_TranslateUNICODE; |
| if ( enable >= 0 ) { |
| SDL_TranslateUNICODE = enable; |
| } |
| return(old_mode); |
| } |
| Uint8 * SDL_GetKeyState (int *numkeys) |
| { |
| if ( numkeys != (int *)0 ) |
| *numkeys = SDLK_LAST; |
| return(SDL_KeyState); |
| } |
| SDLMod SDL_GetModState (void) |
| { |
| return(SDL_ModState); |
| } |
| void SDL_SetModState (SDLMod modstate) |
| { |
| SDL_ModState = modstate; |
| } |
| char *SDL_GetKeyName(SDLKey key) |
| { |
| char *keyname; |
| keyname = NULL; |
| if ( key < SDLK_LAST ) { |
| keyname = keynames[key]; |
| } |
| if ( keyname == NULL ) { |
| keyname = "unknown key"; |
| } |
| return(keyname); |
| } |
| /* These are global for SDL_eventloop.c */ |
| int SDL_PrivateKeyboard(Uint8 state, SDL_keysym *keysym) |
| { |
| SDL_Event event; |
| int posted, repeatable; |
| Uint16 modstate; |
| memset(&event, 0, sizeof(event)); |
| /* Set up the keysym */ |
| modstate = (Uint16)SDL_ModState; |
| repeatable = 0; |
| if ( state == SDL_PRESSED ) { |
| keysym->mod = (SDLMod)modstate; |
| switch (keysym->sym) { |
| case SDLK_NUMLOCK: |
| modstate ^= KMOD_NUM; |
| if ( ! (modstate&KMOD_NUM) ) |
| state = SDL_RELEASED; |
| keysym->mod = (SDLMod)modstate; |
| break; |
| case SDLK_CAPSLOCK: |
| modstate ^= KMOD_CAPS; |
| if ( ! (modstate&KMOD_CAPS) ) |
| state = SDL_RELEASED; |
| keysym->mod = (SDLMod)modstate; |
| break; |
| case SDLK_LCTRL: |
| modstate |= KMOD_LCTRL; |
| break; |
| case SDLK_RCTRL: |
| modstate |= KMOD_RCTRL; |
| break; |
| case SDLK_LSHIFT: |
| modstate |= KMOD_LSHIFT; |
| break; |
| case SDLK_RSHIFT: |
| modstate |= KMOD_RSHIFT; |
| break; |
| case SDLK_LALT: |
| modstate |= KMOD_LALT; |
| break; |
| case SDLK_RALT: |
| modstate |= KMOD_RALT; |
| break; |
| case SDLK_LMETA: |
| modstate |= KMOD_LMETA; |
| break; |
| case SDLK_RMETA: |
| modstate |= KMOD_RMETA; |
| break; |
| case SDLK_MODE: |
| modstate |= KMOD_MODE; |
| break; |
| default: |
| repeatable = 1; |
| break; |
| } |
| } else { |
| switch (keysym->sym) { |
| case SDLK_NUMLOCK: |
| case SDLK_CAPSLOCK: |
| /* Only send keydown events */ |
| return(0); |
| case SDLK_LCTRL: |
| modstate &= ~KMOD_LCTRL; |
| break; |
| case SDLK_RCTRL: |
| modstate &= ~KMOD_RCTRL; |
| break; |
| case SDLK_LSHIFT: |
| modstate &= ~KMOD_LSHIFT; |
| break; |
| case SDLK_RSHIFT: |
| modstate &= ~KMOD_RSHIFT; |
| break; |
| case SDLK_LALT: |
| modstate &= ~KMOD_LALT; |
| break; |
| case SDLK_RALT: |
| modstate &= ~KMOD_RALT; |
| break; |
| case SDLK_LMETA: |
| modstate &= ~KMOD_LMETA; |
| break; |
| case SDLK_RMETA: |
| modstate &= ~KMOD_RMETA; |
| break; |
| case SDLK_MODE: |
| modstate &= ~KMOD_MODE; |
| break; |
| default: |
| break; |
| } |
| keysym->mod = (SDLMod)modstate; |
| } |
| /* Figure out what type of event this is */ |
| switch (state) { |
| case SDL_PRESSED: |
| event.type = SDL_KEYDOWN; |
| break; |
| case SDL_RELEASED: |
| event.type = SDL_KEYUP; |
| /* |
| * jk 991215 - Added |
| */ |
| if ( SDL_KeyRepeat.timestamp ) { |
| SDL_KeyRepeat.timestamp = 0; |
| } |
| break; |
| default: |
| /* Invalid state -- bail */ |
| return(0); |
| } |
| // /* Drop events that don't change state */ |
| // if ( SDL_KeyState[keysym->sym] == state ) { |
| // return(0); |
| // } |
| /* Update internal keyboard state */ |
| SDL_ModState = (SDLMod)modstate; |
| SDL_KeyState[keysym->sym] = state; |
| /* Post the event, if desired */ |
| posted = 0; |
| if ( SDL_ProcessEvents[event.type] == SDL_ENABLE ) { |
| event.key.state = state; |
| event.key.keysym = *keysym; |
| if ( (SDL_EventOK == NULL) || SDL_EventOK(&event) ) { |
| posted = 1; |
| /* |
| * jk 991215 - Added |
| */ |
| if (repeatable && (SDL_KeyRepeat.delay != 0)) { |
| SDL_KeyRepeat.evt = event; |
| SDL_KeyRepeat.firsttime = 1; |
| SDL_KeyRepeat.timestamp=SDL_GetTicks(); |
| } |
| SDL_PushEvent(&event); |
| } |
| } |
| return(posted); |
| } |
| /* |
| * jk 991215 - Added |
| */ |
| void SDL_CheckKeyRepeat(void) |
| { |
| /* if ( SDL_KeyRepeat.timestamp ) { |
| Uint32 now, interval; |
| now = SDL_GetTicks(); |
| interval = (now - SDL_KeyRepeat.timestamp); |
| if ( SDL_KeyRepeat.firsttime ) { |
| if ( interval > (Uint32)SDL_KeyRepeat.delay ) { |
| SDL_KeyRepeat.timestamp = now; |
| SDL_KeyRepeat.firsttime = 0; |
| } |
| } else { |
| if ( interval > (Uint32)SDL_KeyRepeat.interval ) { |
| SDL_KeyRepeat.timestamp = now; |
| SDL_PushEvent(&SDL_KeyRepeat.evt); |
| } |
| } |
| }*/ |
| } |
| int SDL_EnableKeyRepeat(int delay, int interval) |
| { |
| if ( (delay < 0) || (interval < 0) ) { |
| SDL_SetError("keyboard repeat value less than zero"); |
| return(-1); |
| } |
| SDL_KeyRepeat.firsttime = 0; |
| SDL_KeyRepeat.delay = delay; |
| SDL_KeyRepeat.interval = interval; |
| SDL_KeyRepeat.timestamp = 0; |
| return(0); |
| } |
| /contrib/sdk/sources/SDL-1.2.2/src/events/SDL_mouse.c |
|---|
| 0,0 → 1,246 |
| /* |
| SDL - Simple DirectMedia Layer |
| Copyright (C) 1997, 1998, 1999, 2000, 2001 Sam Lantinga |
| This library is free software; you can redistribute it and/or |
| modify it under the terms of the GNU Library General Public |
| License as published by the Free Software Foundation; either |
| version 2 of the License, or (at your option) any later version. |
| This library is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| Library General Public License for more details. |
| You should have received a copy of the GNU Library General Public |
| License along with this library; if not, write to the Free |
| Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| Sam Lantinga |
| slouken@devolution.com |
| */ |
| /* General mouse handling code for SDL */ |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <string.h> |
| #include "SDL_events.h" |
| #include "SDL_events_c.h" |
| #include "SDL_cursor_c.h" |
| #include "SDL_sysvideo.h" |
| /* These are static for our mouse handling code */ |
| static Sint16 SDL_MouseX = 0; |
| static Sint16 SDL_MouseY = 0; |
| static Sint16 SDL_DeltaX = 0; |
| static Sint16 SDL_DeltaY = 0; |
| static Uint8 SDL_ButtonState = 0; |
| /* Public functions */ |
| int SDL_MouseInit(void) |
| { |
| /* The mouse is at (0,0) */ |
| SDL_MouseX = 0; |
| SDL_MouseY = 0; |
| SDL_DeltaX = 0; |
| SDL_DeltaY = 0; |
| SDL_ButtonState = 0; |
| /* That's it! */ |
| return(0); |
| } |
| Uint8 SDL_GetMouseState (int *x, int *y) |
| { |
| if ( x ) |
| *x = SDL_MouseX; |
| if ( y ) |
| *y = SDL_MouseY; |
| return(SDL_ButtonState); |
| } |
| Uint8 SDL_GetRelativeMouseState (int *x, int *y) |
| { |
| if ( x ) |
| *x = SDL_DeltaX; |
| if ( y ) |
| *y = SDL_DeltaY; |
| SDL_DeltaX = 0; |
| SDL_DeltaY = 0; |
| return(SDL_ButtonState); |
| } |
| static void ClipOffset(Sint16 *x, Sint16 *y) |
| { |
| /* This clips absolute mouse coordinates when the apparent |
| display surface is smaller than the real display surface. |
| */ |
| if ( SDL_VideoSurface->offset ) { |
| *y -= SDL_VideoSurface->offset/SDL_VideoSurface->pitch; |
| *x -= (SDL_VideoSurface->offset%SDL_VideoSurface->pitch)/ |
| SDL_VideoSurface->format->BytesPerPixel; |
| } |
| } |
| /* These are global for SDL_eventloop.c */ |
| int SDL_PrivateMouseMotion(Uint8 buttonstate, int relative, Sint16 x, Sint16 y) |
| { |
| int posted; |
| Uint16 X, Y; |
| Sint16 Xrel; |
| Sint16 Yrel; |
| /* Don't handle mouse motion if there's no cursor surface */ |
| if ( SDL_VideoSurface == NULL ) { |
| return(0); |
| } |
| /* Default buttonstate is the current one */ |
| if ( ! buttonstate ) { |
| buttonstate = SDL_ButtonState; |
| } |
| Xrel = x; |
| Yrel = y; |
| if ( relative ) { |
| /* Push the cursor around */ |
| x = (SDL_MouseX+x); |
| y = (SDL_MouseY+y); |
| } else { |
| /* Do we need to clip {x,y} ? */ |
| ClipOffset(&x, &y); |
| } |
| /* Mouse coordinates range from 0 - width-1 and 0 - height-1 */ |
| if ( x < 0 ) |
| X = 0; |
| else |
| if ( x >= SDL_VideoSurface->w ) |
| X = SDL_VideoSurface->w-1; |
| else |
| X = (Uint16)x; |
| if ( y < 0 ) |
| Y = 0; |
| else |
| if ( y >= SDL_VideoSurface->h ) |
| Y = SDL_VideoSurface->h-1; |
| else |
| Y = (Uint16)y; |
| /* If not relative mode, generate relative motion from clamped X/Y. |
| This prevents lots of extraneous large delta relative motion when |
| the screen is windowed mode and the mouse is outside the window. |
| */ |
| if ( ! relative ) { |
| Xrel = X-SDL_MouseX; |
| Yrel = Y-SDL_MouseY; |
| } |
| /* Update internal mouse state */ |
| SDL_ButtonState = buttonstate; |
| SDL_MouseX = X; |
| SDL_MouseY = Y; |
| SDL_DeltaX += Xrel; |
| SDL_DeltaY += Yrel; |
| SDL_MoveCursor(SDL_MouseX, SDL_MouseY); |
| /* Post the event, if desired */ |
| posted = 0; |
| if ( SDL_ProcessEvents[SDL_MOUSEMOTION] == SDL_ENABLE ) { |
| SDL_Event event; |
| memset(&event, 0, sizeof(event)); |
| event.type = SDL_MOUSEMOTION; |
| event.motion.state = buttonstate; |
| event.motion.x = X; |
| event.motion.y = Y; |
| event.motion.xrel = Xrel; |
| event.motion.yrel = Yrel; |
| if ( (SDL_EventOK == NULL) || (*SDL_EventOK)(&event) ) { |
| posted = 1; |
| SDL_PushEvent(&event); |
| } |
| } |
| return(posted); |
| } |
| int SDL_PrivateMouseButton(Uint8 state, Uint8 button, Sint16 x, Sint16 y) |
| { |
| SDL_Event event; |
| int posted; |
| int move_mouse; |
| Uint8 buttonstate; |
| memset(&event, 0, sizeof(event)); |
| /* Check parameters */ |
| if ( x || y ) { |
| ClipOffset(&x, &y); |
| move_mouse = 1; |
| /* Mouse coordinates range from 0 - width-1 and 0 - height-1 */ |
| if ( x < 0 ) |
| x = 0; |
| else |
| if ( x >= SDL_VideoSurface->w ) |
| x = SDL_VideoSurface->w-1; |
| if ( y < 0 ) |
| y = 0; |
| else |
| if ( y >= SDL_VideoSurface->h ) |
| y = SDL_VideoSurface->h-1; |
| } else { |
| move_mouse = 0; |
| } |
| if ( ! x ) |
| x = SDL_MouseX; |
| if ( ! y ) |
| y = SDL_MouseY; |
| /* Figure out which event to perform */ |
| buttonstate = SDL_ButtonState; |
| switch ( state ) { |
| case SDL_PRESSED: |
| event.type = SDL_MOUSEBUTTONDOWN; |
| buttonstate |= SDL_BUTTON(button); |
| break; |
| case SDL_RELEASED: |
| event.type = SDL_MOUSEBUTTONUP; |
| buttonstate &= ~SDL_BUTTON(button); |
| break; |
| default: |
| /* Invalid state -- bail */ |
| return(0); |
| } |
| /* Update internal mouse state */ |
| SDL_ButtonState = buttonstate; |
| if ( move_mouse ) { |
| SDL_MouseX = x; |
| SDL_MouseY = y; |
| /* We don't wan't the cursor because MenuetOS doesn't allow |
| hiding mouse cursor */ |
| // uncommented for KolibriOS |
| SDL_MoveCursor(SDL_MouseX, SDL_MouseY); |
| } |
| /* Post the event, if desired */ |
| posted = 0; |
| if ( SDL_ProcessEvents[event.type] == SDL_ENABLE ) { |
| event.button.state = state; |
| event.button.button = button; |
| event.button.x = x; |
| event.button.y = y; |
| if ( (SDL_EventOK == NULL) || (*SDL_EventOK)(&event) ) { |
| posted = 1; |
| SDL_PushEvent(&event); |
| } |
| } |
| return(posted); |
| } |
| /contrib/sdk/sources/SDL-1.2.2/src/events/SDL_quit.c |
|---|
| 0,0 → 1,79 |
| /* |
| SDL - Simple DirectMedia Layer |
| Copyright (C) 1997, 1998, 1999, 2000, 2001 Sam Lantinga |
| This library is free software; you can redistribute it and/or |
| modify it under the terms of the GNU Library General Public |
| License as published by the Free Software Foundation; either |
| version 2 of the License, or (at your option) any later version. |
| This library is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| Library General Public License for more details. |
| You should have received a copy of the GNU Library General Public |
| License along with this library; if not, write to the Free |
| Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| Sam Lantinga |
| slouken@devolution.com |
| */ |
| /* General quit handling code for SDL */ |
| #include <stdio.h> |
| #ifndef NO_SIGNAL_H |
| #include <signal.h> |
| #endif |
| #include "SDL_events.h" |
| #include "SDL_events_c.h" |
| #ifndef NO_SIGNAL_H |
| static void SDL_HandleSIG(int sig) |
| { |
| /* Reset the signal handler */ |
| signal(sig, SDL_HandleSIG); |
| /* Signal a quit interrupt */ |
| SDL_PrivateQuit(); |
| } |
| #endif /* NO_SIGNAL_H */ |
| /* Public functions */ |
| int SDL_QuitInit(void) |
| { |
| #ifndef NO_SIGNAL_H |
| void (*ohandler)(int); |
| /* Both SIGINT and SIGTERM are translated into quit interrupts */ |
| ohandler = signal(SIGINT, SDL_HandleSIG); |
| if ( ohandler != SIG_DFL ) |
| signal(SIGINT, ohandler); |
| ohandler = signal(SIGTERM, SDL_HandleSIG); |
| if ( ohandler != SIG_DFL ) |
| signal(SIGTERM, ohandler); |
| #endif /* NO_SIGNAL_H */ |
| /* That's it! */ |
| return(0); |
| } |
| /* This function returns 1 if it's okay to close the application window */ |
| int SDL_PrivateQuit(void) |
| { |
| int posted; |
| posted = 0; |
| if ( SDL_ProcessEvents[SDL_QUIT] == SDL_ENABLE ) { |
| SDL_Event event; |
| event.type = SDL_QUIT; |
| if ( (SDL_EventOK == NULL) || (*SDL_EventOK)(&event) ) { |
| posted = 1; |
| SDL_PushEvent(&event); |
| } |
| } |
| return(posted); |
| } |
| /contrib/sdk/sources/SDL-1.2.2/src/events/SDL_resize.c |
|---|
| 0,0 → 1,72 |
| /* |
| SDL - Simple DirectMedia Layer |
| Copyright (C) 1997, 1998, 1999, 2000, 2001 Sam Lantinga |
| This library is free software; you can redistribute it and/or |
| modify it under the terms of the GNU Library General Public |
| License as published by the Free Software Foundation; either |
| version 2 of the License, or (at your option) any later version. |
| This library is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| Library General Public License for more details. |
| You should have received a copy of the GNU Library General Public |
| License along with this library; if not, write to the Free |
| Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| Sam Lantinga |
| slouken@devolution.com |
| */ |
| /* Resize event handling code for SDL */ |
| #include "SDL_events.h" |
| #include "SDL_events_c.h" |
| #include "SDL_sysvideo.h" |
| /* Keep the last resize event so we don't post duplicates */ |
| static struct { |
| int w; |
| int h; |
| } last_resize; |
| /* This is global for SDL_eventloop.c */ |
| int SDL_PrivateResize(int w, int h) |
| { |
| int posted; |
| SDL_Event events[32]; |
| /* See if this event would change the video surface */ |
| if ( !w || !h || |
| ((last_resize.w == w) && (last_resize.h == h)) ) { |
| return(0); |
| } |
| last_resize.w = w; |
| last_resize.h = h; |
| if ( ! SDL_VideoSurface || |
| ((w == SDL_VideoSurface->w) && (h == SDL_VideoSurface->h)) ) { |
| return(0); |
| } |
| /* Pull out all old resize events */ |
| SDL_PeepEvents(events, sizeof(events)/sizeof(events[0]), |
| SDL_GETEVENT, SDL_VIDEORESIZEMASK); |
| /* Post the event, if desired */ |
| posted = 0; |
| if ( SDL_ProcessEvents[SDL_VIDEORESIZE] == SDL_ENABLE ) { |
| SDL_Event event; |
| event.type = SDL_VIDEORESIZE; |
| event.resize.w = w; |
| event.resize.h = h; |
| if ( (SDL_EventOK == NULL) || (*SDL_EventOK)(&event) ) { |
| posted = 1; |
| SDL_PushEvent(&event); |
| } |
| } |
| return(posted); |
| } |
| /contrib/sdk/sources/SDL-1.2.2/src/events/SDL_sysevents.h |
|---|
| 0,0 → 1,46 |
| /* |
| SDL - Simple DirectMedia Layer |
| Copyright (C) 1997, 1998, 1999, 2000, 2001 Sam Lantinga |
| This library is free software; you can redistribute it and/or |
| modify it under the terms of the GNU Library General Public |
| License as published by the Free Software Foundation; either |
| version 2 of the License, or (at your option) any later version. |
| This library is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| Library General Public License for more details. |
| You should have received a copy of the GNU Library General Public |
| License along with this library; if not, write to the Free |
| Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| Sam Lantinga |
| slouken@devolution.com |
| */ |
| #ifdef SAVE_RCSID |
| static char rcsid = |
| "@(#) $Id: SDL_sysevents.h,v 1.2 2001/04/26 16:50:17 hercules Exp $"; |
| #endif |
| #include "SDL_sysvideo.h" |
| /* Useful functions and variables from SDL_sysevents.c */ |
| #ifdef __BEOS__ /* The Be event loop runs in a separate thread */ |
| #define MUST_THREAD_EVENTS |
| #endif |
| #ifdef WIN32UNDEFINED /* Win32 doesn't allow a separate event thread */ |
| #define CANT_THREAD_EVENTS |
| #endif |
| #ifdef macintosh /* MacOS 7/8 don't support preemptive multi-tasking */ |
| #define CANT_THREAD_EVENTS |
| #endif |
| #ifdef __MENUETOS__ |
| #define CANT_THREAD_EVENTS |
| #endif |
| /contrib/sdk/sources/SDL-1.2.2/src/events/SDL_sysevents.h.BAK |
|---|
| 0,0 → 1,46 |
| /* |
| SDL - Simple DirectMedia Layer |
| Copyright (C) 1997, 1998, 1999, 2000, 2001 Sam Lantinga |
| This library is free software; you can redistribute it and/or |
| modify it under the terms of the GNU Library General Public |
| License as published by the Free Software Foundation; either |
| version 2 of the License, or (at your option) any later version. |
| This library is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| Library General Public License for more details. |
| You should have received a copy of the GNU Library General Public |
| License along with this library; if not, write to the Free |
| Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| Sam Lantinga |
| slouken@devolution.com |
| */ |
| #ifdef SAVE_RCSID |
| static char rcsid = |
| "@(#) $Id: SDL_sysevents.h,v 1.2 2001/04/26 16:50:17 hercules Exp $"; |
| #endif |
| #include "SDL_sysvideo.h" |
| /* Useful functions and variables from SDL_sysevents.c */ |
| #ifdef __BEOS__ /* The Be event loop runs in a separate thread */ |
| #define MUST_THREAD_EVENTS |
| #endif |
| #ifdef WIN32 /* Win32 doesn't allow a separate event thread */ |
| #define CANT_THREAD_EVENTS |
| #endif |
| #ifdef macintosh /* MacOS 7/8 don't support preemptive multi-tasking */ |
| #define CANT_THREAD_EVENTS |
| #endif |
| #ifdef __MENUETOS__ |
| #define CANT_THREAD_EVENTS |
| #endif |