sdl-ios-xcode: src/events/SDL

annotate src/events/SDL_events.c @ 4706:12c9d4532b49

Testing out pthread support in android. Appears to work.

author	Paul Hunkin <paul@bieh.net>
date	Fri, 18 Jun 2010 00:02:13 +1200
parents	52697090c967
children	1f7ad083fd3c

rev	line source
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1 /*
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2 SDL - Simple DirectMedia Layer
3697 f7b03b6838cb Fixed bug #926 Sam Lantinga <slouken@libsdl.org> parents: 3611 diff changeset	3 Copyright (C) 1997-2010 Sam Lantinga
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	4
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	5 This library is free software; you can redistribute it and/or
1312 c9b51268668f Updated copyright information and removed rcs id lines (problematic in branch merges) Sam Lantinga <slouken@libsdl.org> parents: 1190 diff changeset	6 modify it under the terms of the GNU Lesser General Public
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	7 License as published by the Free Software Foundation; either
1312 c9b51268668f Updated copyright information and removed rcs id lines (problematic in branch merges) Sam Lantinga <slouken@libsdl.org> parents: 1190 diff changeset	8 version 2.1 of the License, or (at your option) any later version.
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	9
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	10 This library is distributed in the hope that it will be useful,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	11 but WITHOUT ANY WARRANTY; without even the implied warranty of
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
1312 c9b51268668f Updated copyright information and removed rcs id lines (problematic in branch merges) Sam Lantinga <slouken@libsdl.org> parents: 1190 diff changeset	13 Lesser General Public License for more details.
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	14
1312 c9b51268668f Updated copyright information and removed rcs id lines (problematic in branch merges) Sam Lantinga <slouken@libsdl.org> parents: 1190 diff changeset	15 You should have received a copy of the GNU Lesser General Public
c9b51268668f Updated copyright information and removed rcs id lines (problematic in branch merges) Sam Lantinga <slouken@libsdl.org> parents: 1190 diff changeset	16 License along with this library; if not, write to the Free Software
c9b51268668f Updated copyright information and removed rcs id lines (problematic in branch merges) Sam Lantinga <slouken@libsdl.org> parents: 1190 diff changeset	17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	18
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	19 Sam Lantinga
252 e8157fcb3114 Updated the source with the correct e-mail address Sam Lantinga <slouken@libsdl.org> parents: 0 diff changeset	20 slouken@libsdl.org
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	21 */
1402 d910939febfa Use consistent identifiers for the various platforms we support. Sam Lantinga <slouken@libsdl.org> parents: 1361 diff changeset	22 #include "SDL_config.h"
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	23
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	24 /* General event handling code for SDL */
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	25
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	26 #include "SDL.h"
2984 0b160c970b7e Fixed some dependency issues with SDL_revision.h Sam Lantinga <slouken@libsdl.org> parents: 2859 diff changeset	27 #include "SDL_events.h"
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	28 #include "SDL_syswm.h"
2984 0b160c970b7e Fixed some dependency issues with SDL_revision.h Sam Lantinga <slouken@libsdl.org> parents: 2859 diff changeset	29 #include "SDL_thread.h"
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	30 #include "SDL_sysevents.h"
1361 19418e4422cb New configure-based build system. Still work in progress, but much improved Sam Lantinga <slouken@libsdl.org> parents: 1358 diff changeset	31 #include "SDL_events_c.h"
19418e4422cb New configure-based build system. Still work in progress, but much improved Sam Lantinga <slouken@libsdl.org> parents: 1358 diff changeset	32 #include "../timer/SDL_timer_c.h"
19418e4422cb New configure-based build system. Still work in progress, but much improved Sam Lantinga <slouken@libsdl.org> parents: 1358 diff changeset	33 #if !SDL_JOYSTICK_DISABLED
19418e4422cb New configure-based build system. Still work in progress, but much improved Sam Lantinga <slouken@libsdl.org> parents: 1358 diff changeset	34 #include "../joystick/SDL_joystick_c.h"
19418e4422cb New configure-based build system. Still work in progress, but much improved Sam Lantinga <slouken@libsdl.org> parents: 1358 diff changeset	35 #endif
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	36
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	37 /* Public data -- the event filter */
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	38 SDL_EventFilter SDL_EventOK = NULL;
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	39 void *SDL_EventOKParam;
4429 faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	40
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	41 typedef struct {
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	42 Uint32 bits[8];
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	43 } SDL_DisabledEventBlock;
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	44
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	45 static SDL_DisabledEventBlock *SDL_disabled_events[256];
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	46 static Uint32 SDL_userevents = SDL_USEREVENT;
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	47
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	48 /* Private data -- event queue */
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	49 #define MAXEVENTS 128
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	50 static struct
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	51 {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	52 SDL_mutex *lock;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	53 int active;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	54 int head;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	55 int tail;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	56 SDL_Event event[MAXEVENTS];
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	57 int wmmsg_next;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	58 struct SDL_SysWMmsg wmmsg[MAXEVENTS];
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	59 } SDL_EventQ;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	60
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	61 /* Private data -- event locking structure */
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	62 static struct
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	63 {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	64 SDL_mutex *lock;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	65 int safe;
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	66 } SDL_EventLock;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	67
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	68 /* Thread functions */
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	69 static SDL_Thread SDL_EventThread = NULL; / Thread handle */
3578 0d1b16ee0bca Fixed bug #741 Sam Lantinga <slouken@libsdl.org> parents: 3269 diff changeset	70 static SDL_threadID event_thread; /* The event thread id */
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	71
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	72 void
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	73 SDL_Lock_EventThread(void)
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	74 {
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	75 if (SDL_EventThread && (SDL_ThreadID() != event_thread)) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	76 /* Grab lock and spin until we're sure event thread stopped */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	77 SDL_mutexP(SDL_EventLock.lock);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	78 while (!SDL_EventLock.safe) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	79 SDL_Delay(1);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	80 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	81 }
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	82 }
2735 204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: 2129 diff changeset	83
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	84 void
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	85 SDL_Unlock_EventThread(void)
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	86 {
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	87 if (SDL_EventThread && (SDL_ThreadID() != event_thread)) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	88 SDL_mutexV(SDL_EventLock.lock);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	89 }
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	90 }
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	91
4429 faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	92 static __inline__ SDL_bool
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	93 SDL_ShouldPollJoystick()
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	94 {
4698 52697090c967 Fix a compile error when SDL_JOYSTICK_DISABLED is set Paul Hunkin <paul@bieh.net> parents: 4460 diff changeset	95 #if !SDL_JOYSTICK_DISABLED
4429 faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	96 if (SDL_numjoysticks &&
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	97 (!SDL_disabled_events[SDL_JOYAXISMOTION >> 8] \|\|
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	98 SDL_JoystickEventState(SDL_QUERY))) {
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	99 return SDL_TRUE;
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	100 }
4698 52697090c967 Fix a compile error when SDL_JOYSTICK_DISABLED is set Paul Hunkin <paul@bieh.net> parents: 4460 diff changeset	101 #endif
4429 faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	102 return SDL_FALSE;
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	103 }
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	104
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	105 static int SDLCALL
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	106 SDL_GobbleEvents(void *unused)
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	107 {
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	108 event_thread = SDL_ThreadID();
1190 173c063d4f55 OS/2 port! Ryan C. Gordon <icculus@icculus.org> parents: 1140 diff changeset	109
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	110 while (SDL_EventQ.active) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	111 SDL_VideoDevice *_this = SDL_GetVideoDevice();
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	112
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	113 /* Get events from the video subsystem */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	114 if (_this) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	115 _this->PumpEvents(_this);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	116 }
1361 19418e4422cb New configure-based build system. Still work in progress, but much improved Sam Lantinga <slouken@libsdl.org> parents: 1358 diff changeset	117 #if !SDL_JOYSTICK_DISABLED
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	118 /* Check for joystick state change */
4429 faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	119 if (SDL_ShouldPollJoystick()) {
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	120 SDL_JoystickUpdate();
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	121 }
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	122 #endif
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	123
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	124 /* Give up the CPU for the rest of our timeslice */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	125 SDL_EventLock.safe = 1;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	126 if (SDL_timer_running) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	127 SDL_ThreadedTimerCheck();
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	128 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	129 SDL_Delay(1);
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	130
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	131 /* Check for event locking.
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	132 On the P of the lock mutex, if the lock is held, this thread
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	133 will wait until the lock is released before continuing. The
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	134 safe flag will be set, meaning that the other thread can go
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	135 about it's business. The safe flag is reset before the V,
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	136 so as soon as the mutex is free, other threads can see that
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	137 it's not safe to interfere with the event thread.
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	138 */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	139 SDL_mutexP(SDL_EventLock.lock);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	140 SDL_EventLock.safe = 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	141 SDL_mutexV(SDL_EventLock.lock);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	142 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	143 SDL_SetTimerThreaded(0);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	144 event_thread = 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	145 return (0);
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	146 }
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	147
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	148 static int
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	149 SDL_StartEventThread(Uint32 flags)
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	150 {
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	151 /* Reset everything to zero */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	152 SDL_EventThread = NULL;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	153 SDL_memset(&SDL_EventLock, 0, sizeof(SDL_EventLock));
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	154
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	155 /* Create the lock and set ourselves active */
1361 19418e4422cb New configure-based build system. Still work in progress, but much improved Sam Lantinga <slouken@libsdl.org> parents: 1358 diff changeset	156 #if !SDL_THREADS_DISABLED
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	157 SDL_EventQ.lock = SDL_CreateMutex();
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	158 if (SDL_EventQ.lock == NULL) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	159 return (-1);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	160 }
1361 19418e4422cb New configure-based build system. Still work in progress, but much improved Sam Lantinga <slouken@libsdl.org> parents: 1358 diff changeset	161 #endif /* !SDL_THREADS_DISABLED */
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	162 SDL_EventQ.active = 1;
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	163
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	164 if ((flags & SDL_INIT_EVENTTHREAD) == SDL_INIT_EVENTTHREAD) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	165 SDL_EventLock.lock = SDL_CreateMutex();
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	166 if (SDL_EventLock.lock == NULL) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	167 return (-1);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	168 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	169 SDL_EventLock.safe = 0;
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	170
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	171 /* The event thread will handle timers too */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	172 SDL_SetTimerThreaded(2);
1402 d910939febfa Use consistent identifiers for the various platforms we support. Sam Lantinga <slouken@libsdl.org> parents: 1361 diff changeset	173 #if (defined(__WIN32__) && !defined(_WIN32_WCE)) && !defined(HAVE_LIBC)
1330 450721ad5436 It's now possible to build SDL without any C runtime at all on Windows, Sam Lantinga <slouken@libsdl.org> parents: 1312 diff changeset	174 #undef SDL_CreateThread
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	175 SDL_EventThread =
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	176 SDL_CreateThread(SDL_GobbleEvents, NULL, NULL, NULL);
1330 450721ad5436 It's now possible to build SDL without any C runtime at all on Windows, Sam Lantinga <slouken@libsdl.org> parents: 1312 diff changeset	177 #else
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	178 SDL_EventThread = SDL_CreateThread(SDL_GobbleEvents, NULL);
1330 450721ad5436 It's now possible to build SDL without any C runtime at all on Windows, Sam Lantinga <slouken@libsdl.org> parents: 1312 diff changeset	179 #endif
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	180 if (SDL_EventThread == NULL) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	181 return (-1);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	182 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	183 } else {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	184 event_thread = 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	185 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	186 return (0);
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	187 }
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	188
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	189 static void
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	190 SDL_StopEventThread(void)
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	191 {
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	192 SDL_EventQ.active = 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	193 if (SDL_EventThread) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	194 SDL_WaitThread(SDL_EventThread, NULL);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	195 SDL_EventThread = NULL;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	196 SDL_DestroyMutex(SDL_EventLock.lock);
3611 57823d017f02 Merged r4121:4122 from branches/SDL-1.2: more double-free fixes. Ryan C. Gordon <icculus@icculus.org> parents: 3578 diff changeset	197 SDL_EventLock.lock = NULL;
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	198 }
3259 22ac66da0765 Merged Edgar's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: 3072 diff changeset	199 if (SDL_EventQ.lock) {
22ac66da0765 Merged Edgar's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: 3072 diff changeset	200 SDL_DestroyMutex(SDL_EventQ.lock);
22ac66da0765 Merged Edgar's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: 3072 diff changeset	201 SDL_EventQ.lock = NULL;
22ac66da0765 Merged Edgar's code changes from Google Summer of Code 2009 Sam Lantinga <slouken@libsdl.org> parents: 3072 diff changeset	202 }
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	203 }
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	204
3578 0d1b16ee0bca Fixed bug #741 Sam Lantinga <slouken@libsdl.org> parents: 3269 diff changeset	205 SDL_threadID
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	206 SDL_EventThreadID(void)
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	207 {
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	208 return (event_thread);
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	209 }
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	210
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	211 /* Public functions */
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	212
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	213 void
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	214 SDL_StopEventLoop(void)
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	215 {
4429 faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	216 int i;
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	217
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	218 /* Halt the event thread, if running */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	219 SDL_StopEventThread();
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	220
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	221 /* Shutdown event handlers */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	222 SDL_KeyboardQuit();
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	223 SDL_MouseQuit();
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	224 SDL_QuitQuit();
1123 28ac87a38c17 Date: Fri, 08 Jul 2005 22:43:48 +0200 (CEST) Sam Lantinga <slouken@libsdl.org> parents: 1028 diff changeset	225
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	226 /* Clean out EventQ */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	227 SDL_EventQ.head = 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	228 SDL_EventQ.tail = 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	229 SDL_EventQ.wmmsg_next = 0;
4429 faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	230
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	231 /* Clear disabled event state */
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	232 for (i = 0; i < SDL_arraysize(SDL_disabled_events); ++i) {
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	233 if (SDL_disabled_events[i]) {
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	234 SDL_free(SDL_disabled_events[i]);
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	235 SDL_disabled_events[i] = NULL;
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	236 }
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	237 }
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	238 }
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	239
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	240 /* This function (and associated calls) may be called more than once */
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	241 int
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	242 SDL_StartEventLoop(Uint32 flags)
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	243 {
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	244 int retcode;
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	245
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	246 /* Clean out the event queue */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	247 SDL_EventThread = NULL;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	248 SDL_EventQ.lock = NULL;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	249 SDL_StopEventLoop();
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	250
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	251 /* No filter to start with, process most event types */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	252 SDL_EventOK = NULL;
4429 faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	253 SDL_EventState(SDL_SYSWMEVENT, SDL_DISABLE);
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	254
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	255 /* Initialize event handlers */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	256 retcode = 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	257 retcode += SDL_KeyboardInit();
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	258 retcode += SDL_MouseInit();
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	259 retcode += SDL_QuitInit();
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	260 if (retcode < 0) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	261 /* We don't expect them to fail, but... */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	262 return (-1);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	263 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	264
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	265 /* Create the lock and event thread */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	266 if (SDL_StartEventThread(flags) < 0) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	267 SDL_StopEventLoop();
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	268 return (-1);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	269 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	270 return (0);
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	271 }
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	272
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	273
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	274 /* Add an event to the event queue -- called with the queue locked */
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	275 static int
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	276 SDL_AddEvent(SDL_Event * event)
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	277 {
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	278 int tail, added;
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	279
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	280 tail = (SDL_EventQ.tail + 1) % MAXEVENTS;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	281 if (tail == SDL_EventQ.head) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	282 /* Overflow, drop event */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	283 added = 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	284 } else {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	285 SDL_EventQ.event[SDL_EventQ.tail] = *event;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	286 if (event->type == SDL_SYSWMEVENT) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	287 /* Note that it's possible to lose an event */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	288 int next = SDL_EventQ.wmmsg_next;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	289 SDL_EventQ.wmmsg[next] = *event->syswm.msg;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	290 SDL_EventQ.event[SDL_EventQ.tail].syswm.msg =
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	291 &SDL_EventQ.wmmsg[next];
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	292 SDL_EventQ.wmmsg_next = (next + 1) % MAXEVENTS;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	293 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	294 SDL_EventQ.tail = tail;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	295 added = 1;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	296 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	297 return (added);
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	298 }
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	299
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	300 /* Cut an event, and return the next valid spot, or the tail */
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	301 /* -- called with the queue locked */
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	302 static int
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	303 SDL_CutEvent(int spot)
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	304 {
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	305 if (spot == SDL_EventQ.head) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	306 SDL_EventQ.head = (SDL_EventQ.head + 1) % MAXEVENTS;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	307 return (SDL_EventQ.head);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	308 } else if ((spot + 1) % MAXEVENTS == SDL_EventQ.tail) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	309 SDL_EventQ.tail = spot;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	310 return (SDL_EventQ.tail);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	311 } else
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	312 /* We cut the middle -- shift everything over */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	313 {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	314 int here, next;
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	315
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	316 /* This can probably be optimized with SDL_memcpy() -- careful! */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	317 if (--SDL_EventQ.tail < 0) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	318 SDL_EventQ.tail = MAXEVENTS - 1;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	319 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	320 for (here = spot; here != SDL_EventQ.tail; here = next) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	321 next = (here + 1) % MAXEVENTS;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	322 SDL_EventQ.event[here] = SDL_EventQ.event[next];
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	323 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	324 return (spot);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	325 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	326 /* NOTREACHED */
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	327 }
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	328
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	329 /* Lock the event queue, take a peep at it, and unlock it */
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	330 int
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	331 SDL_PeepEvents(SDL_Event * events, int numevents, SDL_eventaction action,
4429 faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	332 Uint32 minType, Uint32 maxType)
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	333 {
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	334 int i, used;
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	335
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	336 /* Don't look after we've quit */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	337 if (!SDL_EventQ.active) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	338 return (-1);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	339 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	340 /* Lock the event queue */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	341 used = 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	342 if (SDL_mutexP(SDL_EventQ.lock) == 0) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	343 if (action == SDL_ADDEVENT) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	344 for (i = 0; i < numevents; ++i) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	345 used += SDL_AddEvent(&events[i]);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	346 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	347 } else {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	348 SDL_Event tmpevent;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	349 int spot;
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	350
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	351 /* If 'events' is NULL, just see if they exist */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	352 if (events == NULL) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	353 action = SDL_PEEKEVENT;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	354 numevents = 1;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	355 events = &tmpevent;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	356 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	357 spot = SDL_EventQ.head;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	358 while ((used < numevents) && (spot != SDL_EventQ.tail)) {
4429 faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	359 Uint32 type = SDL_EventQ.event[spot].type;
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	360 if (minType <= type && type <= maxType) {
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	361 events[used++] = SDL_EventQ.event[spot];
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	362 if (action == SDL_GETEVENT) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	363 spot = SDL_CutEvent(spot);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	364 } else {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	365 spot = (spot + 1) % MAXEVENTS;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	366 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	367 } else {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	368 spot = (spot + 1) % MAXEVENTS;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	369 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	370 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	371 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	372 SDL_mutexV(SDL_EventQ.lock);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	373 } else {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	374 SDL_SetError("Couldn't lock event queue");
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	375 used = -1;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	376 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	377 return (used);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	378 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	379
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	380 SDL_bool
4429 faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	381 SDL_HasEvent(Uint32 type)
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	382 {
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	383 return (SDL_PeepEvents(NULL, 0, SDL_PEEKEVENT, type, type) > 0);
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	384 }
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	385
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	386 SDL_bool
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	387 SDL_HasEvents(Uint32 minType, Uint32 maxType)
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	388 {
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	389 return (SDL_PeepEvents(NULL, 0, SDL_PEEKEVENT, minType, maxType) > 0);
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	390 }
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	391
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	392 void
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	393 SDL_FlushEvent(Uint32 type)
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	394 {
4429 faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	395 SDL_FlushEvents(type, type);
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	396 }
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	397
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	398 void
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	399 SDL_FlushEvents(Uint32 minType, Uint32 maxType)
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	400 {
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	401 /* Don't look after we've quit */
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	402 if (!SDL_EventQ.active) {
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	403 return;
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	404 }
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	405
4460 363604b42e84 Make sure events are current before flushing them. Sam Lantinga <slouken@libsdl.org> parents: 4429 diff changeset	406 /* Make sure the events are current */
363604b42e84 Make sure events are current before flushing them. Sam Lantinga <slouken@libsdl.org> parents: 4429 diff changeset	407 SDL_PumpEvents();
363604b42e84 Make sure events are current before flushing them. Sam Lantinga <slouken@libsdl.org> parents: 4429 diff changeset	408
4429 faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	409 /* Lock the event queue */
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	410 if (SDL_mutexP(SDL_EventQ.lock) == 0) {
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	411 int spot = SDL_EventQ.head;
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	412 while (spot != SDL_EventQ.tail) {
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	413 Uint32 type = SDL_EventQ.event[spot].type;
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	414 if (minType <= type && type <= maxType) {
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	415 spot = SDL_CutEvent(spot);
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	416 } else {
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	417 spot = (spot + 1) % MAXEVENTS;
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	418 }
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	419 }
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	420 SDL_mutexV(SDL_EventQ.lock);
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	421 }
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	422 }
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	423
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	424 /* Run the system dependent event loops */
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	425 void
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	426 SDL_PumpEvents(void)
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	427 {
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	428 if (!SDL_EventThread) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	429 SDL_VideoDevice *_this = SDL_GetVideoDevice();
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	430
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	431 /* Get events from the video subsystem */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	432 if (_this) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	433 _this->PumpEvents(_this);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	434 }
1361 19418e4422cb New configure-based build system. Still work in progress, but much improved Sam Lantinga <slouken@libsdl.org> parents: 1358 diff changeset	435 #if !SDL_JOYSTICK_DISABLED
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	436 /* Check for joystick state change */
4429 faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	437 if (SDL_ShouldPollJoystick()) {
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	438 SDL_JoystickUpdate();
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	439 }
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	440 #endif
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	441 }
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	442 }
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	443
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	444 /* Public functions */
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	445
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	446 int
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	447 SDL_PollEvent(SDL_Event * event)
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	448 {
3072 9da8f57ab92c Fixed bug #684 Sam Lantinga <slouken@libsdl.org> parents: 2984 diff changeset	449 return SDL_WaitEventTimeout(event, 0);
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	450 }
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	451
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	452 int
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	453 SDL_WaitEvent(SDL_Event * event)
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	454 {
3072 9da8f57ab92c Fixed bug #684 Sam Lantinga <slouken@libsdl.org> parents: 2984 diff changeset	455 return SDL_WaitEventTimeout(event, -1);
9da8f57ab92c Fixed bug #684 Sam Lantinga <slouken@libsdl.org> parents: 2984 diff changeset	456 }
9da8f57ab92c Fixed bug #684 Sam Lantinga <slouken@libsdl.org> parents: 2984 diff changeset	457
9da8f57ab92c Fixed bug #684 Sam Lantinga <slouken@libsdl.org> parents: 2984 diff changeset	458 int
9da8f57ab92c Fixed bug #684 Sam Lantinga <slouken@libsdl.org> parents: 2984 diff changeset	459 SDL_WaitEventTimeout(SDL_Event * event, int timeout)
9da8f57ab92c Fixed bug #684 Sam Lantinga <slouken@libsdl.org> parents: 2984 diff changeset	460 {
9da8f57ab92c Fixed bug #684 Sam Lantinga <slouken@libsdl.org> parents: 2984 diff changeset	461 Uint32 expiration = 0;
9da8f57ab92c Fixed bug #684 Sam Lantinga <slouken@libsdl.org> parents: 2984 diff changeset	462
9da8f57ab92c Fixed bug #684 Sam Lantinga <slouken@libsdl.org> parents: 2984 diff changeset	463 if (timeout > 0)
9da8f57ab92c Fixed bug #684 Sam Lantinga <slouken@libsdl.org> parents: 2984 diff changeset	464 expiration = SDL_GetTicks() + timeout;
9da8f57ab92c Fixed bug #684 Sam Lantinga <slouken@libsdl.org> parents: 2984 diff changeset	465
9da8f57ab92c Fixed bug #684 Sam Lantinga <slouken@libsdl.org> parents: 2984 diff changeset	466 for (;;) {
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	467 SDL_PumpEvents();
4429 faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	468 switch (SDL_PeepEvents(event, 1, SDL_GETEVENT, SDL_FIRSTEVENT, SDL_LASTEVENT)) {
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	469 case -1:
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	470 return 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	471 case 1:
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	472 return 1;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	473 case 0:
3072 9da8f57ab92c Fixed bug #684 Sam Lantinga <slouken@libsdl.org> parents: 2984 diff changeset	474 if (timeout == 0) {
9da8f57ab92c Fixed bug #684 Sam Lantinga <slouken@libsdl.org> parents: 2984 diff changeset	475 /* Polling and no events, just return */
9da8f57ab92c Fixed bug #684 Sam Lantinga <slouken@libsdl.org> parents: 2984 diff changeset	476 return 0;
9da8f57ab92c Fixed bug #684 Sam Lantinga <slouken@libsdl.org> parents: 2984 diff changeset	477 }
9da8f57ab92c Fixed bug #684 Sam Lantinga <slouken@libsdl.org> parents: 2984 diff changeset	478 if (timeout > 0 && ((int) (SDL_GetTicks() - expiration) >= 0)) {
9da8f57ab92c Fixed bug #684 Sam Lantinga <slouken@libsdl.org> parents: 2984 diff changeset	479 /* Timeout expired and no events */
9da8f57ab92c Fixed bug #684 Sam Lantinga <slouken@libsdl.org> parents: 2984 diff changeset	480 return 0;
9da8f57ab92c Fixed bug #684 Sam Lantinga <slouken@libsdl.org> parents: 2984 diff changeset	481 }
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	482 SDL_Delay(10);
3072 9da8f57ab92c Fixed bug #684 Sam Lantinga <slouken@libsdl.org> parents: 2984 diff changeset	483 break;
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	484 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	485 }
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	486 }
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	487
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	488 int
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	489 SDL_PushEvent(SDL_Event * event)
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	490 {
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	491 if (SDL_EventOK && !SDL_EventOK(SDL_EventOKParam, event)) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	492 return 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	493 }
4429 faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	494 if (SDL_PeepEvents(event, 1, SDL_ADDEVENT, 0, 0) <= 0) {
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	495 return -1;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	496 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	497 return 1;
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	498 }
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	499
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	500 void
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	501 SDL_SetEventFilter(SDL_EventFilter filter, void *userdata)
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	502 {
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	503 SDL_Event bitbucket;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	504
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	505 /* Set filter and discard pending events */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	506 SDL_EventOK = filter;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	507 SDL_EventOKParam = userdata;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	508 while (SDL_PollEvent(&bitbucket) > 0);
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	509 }
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	510
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	511 SDL_bool
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	512 SDL_GetEventFilter(SDL_EventFilter * filter, void **userdata)
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	513 {
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	514 if (filter) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	515 *filter = SDL_EventOK;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	516 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	517 if (userdata) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	518 *userdata = SDL_EventOKParam;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	519 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	520 return SDL_EventOK ? SDL_TRUE : SDL_FALSE;
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	521 }
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	522
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	523 void
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	524 SDL_FilterEvents(SDL_EventFilter filter, void *userdata)
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	525 {
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	526 if (SDL_mutexP(SDL_EventQ.lock) == 0) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	527 int spot;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	528
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	529 spot = SDL_EventQ.head;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	530 while (spot != SDL_EventQ.tail) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	531 if (filter(userdata, &SDL_EventQ.event[spot])) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	532 spot = (spot + 1) % MAXEVENTS;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	533 } else {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	534 spot = SDL_CutEvent(spot);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	535 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	536 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	537 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	538 SDL_mutexV(SDL_EventQ.lock);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	539 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	540
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	541 Uint8
4429 faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	542 SDL_EventState(Uint32 type, int state)
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	543 {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	544 Uint8 current_state;
4429 faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	545 Uint8 hi = ((type >> 8) & 0xff);
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	546 Uint8 lo = (type & 0xff);
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	547
4429 faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	548 if (SDL_disabled_events[hi] &&
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	549 (SDL_disabled_events[hi]->bits[lo/32] & (1 << (lo&31)))) {
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	550 current_state = SDL_DISABLE;
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	551 } else {
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	552 current_state = SDL_ENABLE;
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	553 }
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	554
4429 faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	555 if (state != current_state)
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	556 {
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	557 switch (state) {
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	558 case SDL_DISABLE:
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	559 /* Disable this event type and discard pending events */
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	560 if (!SDL_disabled_events[hi]) {
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	561 SDL_disabled_events[hi] = (SDL_DisabledEventBlock*) SDL_calloc(1, sizeof(SDL_DisabledEventBlock));
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	562 if (!SDL_disabled_events[hi]) {
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	563 /* Out of memory, nothing we can do... */
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	564 break;
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	565 }
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	566 }
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	567 SDL_disabled_events[hi]->bits[lo/32] \|= (1 << (lo&31));
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	568 SDL_FlushEvent(type);
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	569 break;
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	570 case SDL_ENABLE:
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	571 SDL_disabled_events[hi]->bits[lo/32] &= ~(1 << (lo&31));
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	572 break;
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	573 default:
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	574 /* Querying state... */
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	575 break;
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	576 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	577 }
4429 faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	578
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	579 return current_state;
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	580 }
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	581
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	582 Uint32
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	583 SDL_RegisterEvents(int numevents)
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	584 {
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	585 Uint32 event_base;
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	586
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	587 if (SDL_userevents+numevents <= SDL_LASTEVENT) {
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	588 event_base = SDL_userevents;
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	589 SDL_userevents += numevents;
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	590 } else {
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	591 event_base = (Uint32)-1;
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	592 }
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	593 return event_base;
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	594 }
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	595
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	596 /* This is a generic event handler.
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	597 */
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	598 int
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	599 SDL_SendSysWMEvent(SDL_SysWMmsg * message)
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	600 {
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	601 int posted;
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	602
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	603 posted = 0;
4429 faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	604 if (SDL_GetEventState(SDL_SYSWMEVENT) == SDL_ENABLE) {
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	605 SDL_Event event;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	606 SDL_memset(&event, 0, sizeof(event));
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	607 event.type = SDL_SYSWMEVENT;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	608 event.syswm.msg = message;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	609 posted = (SDL_PushEvent(&event) > 0);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	610 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	611 /* Update internal event state */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	612 return (posted);
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	613 }
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	614
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	615 /* vi: set ts=4 sw=4 expandtab: */

Mercurial > sdl-ios-xcode

annotate src/events/SDL_events.c @ 4706:12c9d4532b49