sdl-ios-xcode: src/events/SDL

annotate src/events/SDL_events.c @ 5172:ededa1ccf91c

Switched the SDL 1.2 compatibility to use the window surface, so it's fast even when there's no hardware acceleration available. This means that the YUV overlay now uses software, but that's okay since fast YUV code should be using the textures now anyway.

author	Sam Lantinga <slouken@libsdl.org>
date	Thu, 03 Feb 2011 21:13:55 -0800
parents	fb424691cfc7
children	b530ef003506

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"
1361 19418e4422cb New configure-based build system. Still work in progress, but much improved Sam Lantinga <slouken@libsdl.org> parents: 1358 diff changeset	30 #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	31 #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	32 #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	33 #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	34 #endif
5125 dc0dfdd58f27 Removed completely non-portable event thread hack. Sam Lantinga <slouken@libsdl.org> parents: 5113 diff changeset	35 #include "../video/SDL_sysvideo.h"
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
5149 3052772b59db Added functions to watch events as they go through the event queue. Sam Lantinga <slouken@libsdl.org> parents: 5125 diff changeset	41 typedef struct SDL_EventWatcher {
3052772b59db Added functions to watch events as they go through the event queue. Sam Lantinga <slouken@libsdl.org> parents: 5125 diff changeset	42 SDL_EventFilter callback;
3052772b59db Added functions to watch events as they go through the event queue. Sam Lantinga <slouken@libsdl.org> parents: 5125 diff changeset	43 void *userdata;
3052772b59db Added functions to watch events as they go through the event queue. Sam Lantinga <slouken@libsdl.org> parents: 5125 diff changeset	44 struct SDL_EventWatcher *next;
3052772b59db Added functions to watch events as they go through the event queue. Sam Lantinga <slouken@libsdl.org> parents: 5125 diff changeset	45 } SDL_EventWatcher;
3052772b59db Added functions to watch events as they go through the event queue. Sam Lantinga <slouken@libsdl.org> parents: 5125 diff changeset	46
3052772b59db Added functions to watch events as they go through the event queue. Sam Lantinga <slouken@libsdl.org> parents: 5125 diff changeset	47 static SDL_EventWatcher *SDL_event_watchers = NULL;
3052772b59db Added functions to watch events as they go through the event queue. Sam Lantinga <slouken@libsdl.org> parents: 5125 diff changeset	48
4429 faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	49 typedef struct {
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	50 Uint32 bits[8];
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	51 } SDL_DisabledEventBlock;
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	52
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	53 static SDL_DisabledEventBlock *SDL_disabled_events[256];
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	54 static Uint32 SDL_userevents = SDL_USEREVENT;
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	55
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	56 /* Private data -- event queue */
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	57 #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	58 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	59 {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	60 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	61 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	62 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	63 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	64 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	65 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	66 struct SDL_SysWMmsg wmmsg[MAXEVENTS];
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	67 } SDL_EventQ;
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	68
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	69
4429 faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	70 static __inline__ SDL_bool
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	71 SDL_ShouldPollJoystick()
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	72 {
4698 52697090c967 Fix a compile error when SDL_JOYSTICK_DISABLED is set Paul Hunkin <paul@bieh.net> parents: 4460 diff changeset	73 #if !SDL_JOYSTICK_DISABLED
4429 faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	74 if (SDL_numjoysticks &&
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	75 (!SDL_disabled_events[SDL_JOYAXISMOTION >> 8] \|\|
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	76 SDL_JoystickEventState(SDL_QUERY))) {
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	77 return SDL_TRUE;
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	78 }
4698 52697090c967 Fix a compile error when SDL_JOYSTICK_DISABLED is set Paul Hunkin <paul@bieh.net> parents: 4460 diff changeset	79 #endif
4429 faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	80 return SDL_FALSE;
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	81 }
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	82
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	83 /* Public functions */
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	84
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	85 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	86 SDL_StopEventLoop(void)
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	87 {
4429 faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	88 int i;
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	89
5125 dc0dfdd58f27 Removed completely non-portable event thread hack. Sam Lantinga <slouken@libsdl.org> parents: 5113 diff changeset	90 if (SDL_EventQ.lock) {
dc0dfdd58f27 Removed completely non-portable event thread hack. Sam Lantinga <slouken@libsdl.org> parents: 5113 diff changeset	91 SDL_DestroyMutex(SDL_EventQ.lock);
dc0dfdd58f27 Removed completely non-portable event thread hack. Sam Lantinga <slouken@libsdl.org> parents: 5113 diff changeset	92 SDL_EventQ.lock = NULL;
dc0dfdd58f27 Removed completely non-portable event thread hack. Sam Lantinga <slouken@libsdl.org> parents: 5113 diff changeset	93 }
1123 28ac87a38c17 Date: Fri, 08 Jul 2005 22:43:48 +0200 (CEST) Sam Lantinga <slouken@libsdl.org> parents: 1028 diff changeset	94
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	95 /* 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	96 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	97 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	98 SDL_EventQ.wmmsg_next = 0;
4429 faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	99
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	100 /* Clear disabled event state */
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	101 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	102 if (SDL_disabled_events[i]) {
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	103 SDL_free(SDL_disabled_events[i]);
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	104 SDL_disabled_events[i] = NULL;
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	105 }
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	106 }
5149 3052772b59db Added functions to watch events as they go through the event queue. Sam Lantinga <slouken@libsdl.org> parents: 5125 diff changeset	107
3052772b59db Added functions to watch events as they go through the event queue. Sam Lantinga <slouken@libsdl.org> parents: 5125 diff changeset	108 while (SDL_event_watchers) {
3052772b59db Added functions to watch events as they go through the event queue. Sam Lantinga <slouken@libsdl.org> parents: 5125 diff changeset	109 SDL_EventWatcher *tmp = SDL_event_watchers;
3052772b59db Added functions to watch events as they go through the event queue. Sam Lantinga <slouken@libsdl.org> parents: 5125 diff changeset	110 SDL_event_watchers = tmp->next;
3052772b59db Added functions to watch events as they go through the event queue. Sam Lantinga <slouken@libsdl.org> parents: 5125 diff changeset	111 SDL_free(tmp);
3052772b59db Added functions to watch events as they go through the event queue. Sam Lantinga <slouken@libsdl.org> parents: 5125 diff changeset	112 }
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	113 }
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	114
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	115 /* 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	116 int
5125 dc0dfdd58f27 Removed completely non-portable event thread hack. Sam Lantinga <slouken@libsdl.org> parents: 5113 diff changeset	117 SDL_StartEventLoop(void)
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	118 {
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	119 /* 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	120 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	121 SDL_StopEventLoop();
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	122
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	123 /* 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	124 SDL_EventOK = NULL;
4429 faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	125 SDL_EventState(SDL_SYSWMEVENT, SDL_DISABLE);
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	126
5125 dc0dfdd58f27 Removed completely non-portable event thread hack. Sam Lantinga <slouken@libsdl.org> parents: 5113 diff changeset	127 /* Create the lock and set ourselves active */
dc0dfdd58f27 Removed completely non-portable event thread hack. Sam Lantinga <slouken@libsdl.org> parents: 5113 diff changeset	128 #if !SDL_THREADS_DISABLED
dc0dfdd58f27 Removed completely non-portable event thread hack. Sam Lantinga <slouken@libsdl.org> parents: 5113 diff changeset	129 SDL_EventQ.lock = SDL_CreateMutex();
dc0dfdd58f27 Removed completely non-portable event thread hack. Sam Lantinga <slouken@libsdl.org> parents: 5113 diff changeset	130 if (SDL_EventQ.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	131 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	132 }
5125 dc0dfdd58f27 Removed completely non-portable event thread hack. Sam Lantinga <slouken@libsdl.org> parents: 5113 diff changeset	133 #endif /* !SDL_THREADS_DISABLED */
dc0dfdd58f27 Removed completely non-portable event thread hack. Sam Lantinga <slouken@libsdl.org> parents: 5113 diff changeset	134 SDL_EventQ.active = 1;
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	135
c121d94672cb SDL 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 return (0);
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	137 }
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	138
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	139
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	140 /* 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	141 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	142 SDL_AddEvent(SDL_Event * event)
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	143 {
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	144 int tail, added;
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	145
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	146 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	147 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	148 /* 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	149 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	150 } 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	151 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	152 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	153 /* 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	154 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	155 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	156 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	157 &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	158 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	159 }
c121d94672cb SDL 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 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	161 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	162 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	163 return (added);
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	164 }
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	165
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	166 /* Cut an event, and return the next valid spot, or the tail */
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	167 /* -- 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	168 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	169 SDL_CutEvent(int spot)
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 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	172 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	173 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	174 } 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	175 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	176 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	177 } 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	178 /* 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	179 {
c121d94672cb SDL 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 int here, next;
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	181
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	182 /* 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	183 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	184 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	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 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	187 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	188 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	189 }
c121d94672cb SDL 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 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	191 }
c121d94672cb SDL 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 /* NOTREACHED */
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	193 }
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	194
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	195 /* 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	196 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	197 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	198 Uint32 minType, Uint32 maxType)
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	199 {
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	200 int i, used;
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	201
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	202 /* 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	203 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	204 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	205 }
c121d94672cb SDL 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 /* 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	207 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	208 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	209 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	210 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	211 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	212 }
c121d94672cb SDL 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 } 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	214 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	215 int spot;
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	216
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	217 /* 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	218 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	219 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	220 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	221 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	222 }
c121d94672cb SDL 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 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	224 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	225 Uint32 type = SDL_EventQ.event[spot].type;
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	226 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	227 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	228 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	229 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	230 } 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	231 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	232 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	233 } 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	234 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	235 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	236 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	237 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	238 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	239 } 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	240 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	241 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	242 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	243 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	244 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	245
c121d94672cb SDL 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 SDL_bool
4429 faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	247 SDL_HasEvent(Uint32 type)
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	248 {
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	249 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	250 }
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	251
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	252 SDL_bool
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	253 SDL_HasEvents(Uint32 minType, Uint32 maxType)
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	254 {
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	255 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	256 }
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	257
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	258 void
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	259 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	260 {
4429 faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	261 SDL_FlushEvents(type, type);
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	262 }
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	263
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	264 void
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	265 SDL_FlushEvents(Uint32 minType, Uint32 maxType)
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	266 {
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	267 /* Don't look after we've quit */
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	268 if (!SDL_EventQ.active) {
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	269 return;
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	270 }
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	271
4460 363604b42e84 Make sure events are current before flushing them. Sam Lantinga <slouken@libsdl.org> parents: 4429 diff changeset	272 /* Make sure the events are current */
363604b42e84 Make sure events are current before flushing them. Sam Lantinga <slouken@libsdl.org> parents: 4429 diff changeset	273 SDL_PumpEvents();
363604b42e84 Make sure events are current before flushing them. Sam Lantinga <slouken@libsdl.org> parents: 4429 diff changeset	274
4429 faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	275 /* Lock the event queue */
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	276 if (SDL_mutexP(SDL_EventQ.lock) == 0) {
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	277 int spot = SDL_EventQ.head;
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	278 while (spot != SDL_EventQ.tail) {
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	279 Uint32 type = SDL_EventQ.event[spot].type;
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	280 if (minType <= type && type <= maxType) {
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	281 spot = SDL_CutEvent(spot);
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	282 } else {
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	283 spot = (spot + 1) % MAXEVENTS;
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	284 }
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	285 }
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	286 SDL_mutexV(SDL_EventQ.lock);
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	287 }
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	288 }
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	289
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	290 /* 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	291 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	292 SDL_PumpEvents(void)
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	293 {
5125 dc0dfdd58f27 Removed completely non-portable event thread hack. Sam Lantinga <slouken@libsdl.org> parents: 5113 diff changeset	294 SDL_VideoDevice *_this = SDL_GetVideoDevice();
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	295
5125 dc0dfdd58f27 Removed completely non-portable event thread hack. Sam Lantinga <slouken@libsdl.org> parents: 5113 diff changeset	296 /* Get events from the video subsystem */
dc0dfdd58f27 Removed completely non-portable event thread hack. Sam Lantinga <slouken@libsdl.org> parents: 5113 diff changeset	297 if (_this) {
dc0dfdd58f27 Removed completely non-portable event thread hack. Sam Lantinga <slouken@libsdl.org> parents: 5113 diff changeset	298 _this->PumpEvents(_this);
dc0dfdd58f27 Removed completely non-portable event thread hack. Sam Lantinga <slouken@libsdl.org> parents: 5113 diff changeset	299 }
1361 19418e4422cb New configure-based build system. Still work in progress, but much improved Sam Lantinga <slouken@libsdl.org> parents: 1358 diff changeset	300 #if !SDL_JOYSTICK_DISABLED
5125 dc0dfdd58f27 Removed completely non-portable event thread hack. Sam Lantinga <slouken@libsdl.org> parents: 5113 diff changeset	301 /* Check for joystick state change */
dc0dfdd58f27 Removed completely non-portable event thread hack. Sam Lantinga <slouken@libsdl.org> parents: 5113 diff changeset	302 if (SDL_ShouldPollJoystick()) {
dc0dfdd58f27 Removed completely non-portable event thread hack. Sam Lantinga <slouken@libsdl.org> parents: 5113 diff changeset	303 SDL_JoystickUpdate();
dc0dfdd58f27 Removed completely non-portable event thread hack. Sam Lantinga <slouken@libsdl.org> parents: 5113 diff changeset	304 }
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	305 #endif
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	306 }
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	307
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	308 /* Public functions */
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	309
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	310 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	311 SDL_PollEvent(SDL_Event * event)
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	312 {
3072 9da8f57ab92c Fixed bug #684 Sam Lantinga <slouken@libsdl.org> parents: 2984 diff changeset	313 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	314 }
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 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	317 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	318 {
3072 9da8f57ab92c Fixed bug #684 Sam Lantinga <slouken@libsdl.org> parents: 2984 diff changeset	319 return SDL_WaitEventTimeout(event, -1);
9da8f57ab92c Fixed bug #684 Sam Lantinga <slouken@libsdl.org> parents: 2984 diff changeset	320 }
9da8f57ab92c Fixed bug #684 Sam Lantinga <slouken@libsdl.org> parents: 2984 diff changeset	321
9da8f57ab92c Fixed bug #684 Sam Lantinga <slouken@libsdl.org> parents: 2984 diff changeset	322 int
9da8f57ab92c Fixed bug #684 Sam Lantinga <slouken@libsdl.org> parents: 2984 diff changeset	323 SDL_WaitEventTimeout(SDL_Event * event, int timeout)
9da8f57ab92c Fixed bug #684 Sam Lantinga <slouken@libsdl.org> parents: 2984 diff changeset	324 {
9da8f57ab92c Fixed bug #684 Sam Lantinga <slouken@libsdl.org> parents: 2984 diff changeset	325 Uint32 expiration = 0;
9da8f57ab92c Fixed bug #684 Sam Lantinga <slouken@libsdl.org> parents: 2984 diff changeset	326
9da8f57ab92c Fixed bug #684 Sam Lantinga <slouken@libsdl.org> parents: 2984 diff changeset	327 if (timeout > 0)
9da8f57ab92c Fixed bug #684 Sam Lantinga <slouken@libsdl.org> parents: 2984 diff changeset	328 expiration = SDL_GetTicks() + timeout;
9da8f57ab92c Fixed bug #684 Sam Lantinga <slouken@libsdl.org> parents: 2984 diff changeset	329
9da8f57ab92c Fixed bug #684 Sam Lantinga <slouken@libsdl.org> parents: 2984 diff changeset	330 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	331 SDL_PumpEvents();
4429 faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	332 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	333 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	334 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	335 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	336 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	337 case 0:
3072 9da8f57ab92c Fixed bug #684 Sam Lantinga <slouken@libsdl.org> parents: 2984 diff changeset	338 if (timeout == 0) {
9da8f57ab92c Fixed bug #684 Sam Lantinga <slouken@libsdl.org> parents: 2984 diff changeset	339 /* Polling and no events, just return */
9da8f57ab92c Fixed bug #684 Sam Lantinga <slouken@libsdl.org> parents: 2984 diff changeset	340 return 0;
9da8f57ab92c Fixed bug #684 Sam Lantinga <slouken@libsdl.org> parents: 2984 diff changeset	341 }
9da8f57ab92c Fixed bug #684 Sam Lantinga <slouken@libsdl.org> parents: 2984 diff changeset	342 if (timeout > 0 && ((int) (SDL_GetTicks() - expiration) >= 0)) {
9da8f57ab92c Fixed bug #684 Sam Lantinga <slouken@libsdl.org> parents: 2984 diff changeset	343 /* Timeout expired and no events */
9da8f57ab92c Fixed bug #684 Sam Lantinga <slouken@libsdl.org> parents: 2984 diff changeset	344 return 0;
9da8f57ab92c Fixed bug #684 Sam Lantinga <slouken@libsdl.org> parents: 2984 diff changeset	345 }
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	346 SDL_Delay(10);
3072 9da8f57ab92c Fixed bug #684 Sam Lantinga <slouken@libsdl.org> parents: 2984 diff changeset	347 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	348 }
c121d94672cb SDL 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 }
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	350 }
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	351
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	352 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	353 SDL_PushEvent(SDL_Event * event)
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	354 {
5149 3052772b59db Added functions to watch events as they go through the event queue. Sam Lantinga <slouken@libsdl.org> parents: 5125 diff changeset	355 SDL_EventWatcher *curr;
3052772b59db Added functions to watch events as they go through the event queue. Sam Lantinga <slouken@libsdl.org> parents: 5125 diff changeset	356
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	357 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	358 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	359 }
5149 3052772b59db Added functions to watch events as they go through the event queue. Sam Lantinga <slouken@libsdl.org> parents: 5125 diff changeset	360
3052772b59db Added functions to watch events as they go through the event queue. Sam Lantinga <slouken@libsdl.org> parents: 5125 diff changeset	361 for (curr = SDL_event_watchers; curr; curr = curr->next) {
3052772b59db Added functions to watch events as they go through the event queue. Sam Lantinga <slouken@libsdl.org> parents: 5125 diff changeset	362 curr->callback(curr->userdata, event);
3052772b59db Added functions to watch events as they go through the event queue. Sam Lantinga <slouken@libsdl.org> parents: 5125 diff changeset	363 }
3052772b59db Added functions to watch events as they go through the event queue. Sam Lantinga <slouken@libsdl.org> parents: 5125 diff changeset	364
4429 faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	365 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	366 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	367 }
4657 eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: 4642 diff changeset	368
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: 4642 diff changeset	369 SDL_GestureProcessEvent(event);
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: 4642 diff changeset	370
eed063a0bf5b Moved Multi finger gesture recognition into the library. Jim Grandpre <jim.tla@gmail.com> parents: 4642 diff changeset	371
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	372 return 1;
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	373 }
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	374
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	375 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	376 SDL_SetEventFilter(SDL_EventFilter filter, void *userdata)
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	377 {
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	378 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	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 /* 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	381 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	382 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	383 while (SDL_PollEvent(&bitbucket) > 0);
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	384 }
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	385
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	386 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	387 SDL_GetEventFilter(SDL_EventFilter * filter, void **userdata)
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	388 {
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	389 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	390 *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	391 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	392 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	393 *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	394 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	395 return SDL_EventOK ? SDL_TRUE : SDL_FALSE;
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	396 }
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	397
5149 3052772b59db Added functions to watch events as they go through the event queue. Sam Lantinga <slouken@libsdl.org> parents: 5125 diff changeset	398 /* FIXME: This is not thread-safe yet */
3052772b59db Added functions to watch events as they go through the event queue. Sam Lantinga <slouken@libsdl.org> parents: 5125 diff changeset	399 void
3052772b59db Added functions to watch events as they go through the event queue. Sam Lantinga <slouken@libsdl.org> parents: 5125 diff changeset	400 SDL_AddEventWatch(SDL_EventFilter filter, void *userdata)
3052772b59db Added functions to watch events as they go through the event queue. Sam Lantinga <slouken@libsdl.org> parents: 5125 diff changeset	401 {
3052772b59db Added functions to watch events as they go through the event queue. Sam Lantinga <slouken@libsdl.org> parents: 5125 diff changeset	402 SDL_EventWatcher *watcher;
3052772b59db Added functions to watch events as they go through the event queue. Sam Lantinga <slouken@libsdl.org> parents: 5125 diff changeset	403
3052772b59db Added functions to watch events as they go through the event queue. Sam Lantinga <slouken@libsdl.org> parents: 5125 diff changeset	404 watcher = (SDL_EventWatcher )SDL_malloc(sizeof(watcher));
3052772b59db Added functions to watch events as they go through the event queue. Sam Lantinga <slouken@libsdl.org> parents: 5125 diff changeset	405 if (!watcher) {
3052772b59db Added functions to watch events as they go through the event queue. Sam Lantinga <slouken@libsdl.org> parents: 5125 diff changeset	406 /* Uh oh... */
3052772b59db Added functions to watch events as they go through the event queue. Sam Lantinga <slouken@libsdl.org> parents: 5125 diff changeset	407 return;
3052772b59db Added functions to watch events as they go through the event queue. Sam Lantinga <slouken@libsdl.org> parents: 5125 diff changeset	408 }
3052772b59db Added functions to watch events as they go through the event queue. Sam Lantinga <slouken@libsdl.org> parents: 5125 diff changeset	409 watcher->callback = filter;
3052772b59db Added functions to watch events as they go through the event queue. Sam Lantinga <slouken@libsdl.org> parents: 5125 diff changeset	410 watcher->userdata = userdata;
3052772b59db Added functions to watch events as they go through the event queue. Sam Lantinga <slouken@libsdl.org> parents: 5125 diff changeset	411 watcher->next = SDL_event_watchers;
3052772b59db Added functions to watch events as they go through the event queue. Sam Lantinga <slouken@libsdl.org> parents: 5125 diff changeset	412 SDL_event_watchers = watcher;
3052772b59db Added functions to watch events as they go through the event queue. Sam Lantinga <slouken@libsdl.org> parents: 5125 diff changeset	413 }
3052772b59db Added functions to watch events as they go through the event queue. Sam Lantinga <slouken@libsdl.org> parents: 5125 diff changeset	414
3052772b59db Added functions to watch events as they go through the event queue. Sam Lantinga <slouken@libsdl.org> parents: 5125 diff changeset	415 /* FIXME: This is not thread-safe yet */
3052772b59db Added functions to watch events as they go through the event queue. Sam Lantinga <slouken@libsdl.org> parents: 5125 diff changeset	416 void
3052772b59db Added functions to watch events as they go through the event queue. Sam Lantinga <slouken@libsdl.org> parents: 5125 diff changeset	417 SDL_DelEventWatch(SDL_EventFilter filter, void *userdata)
3052772b59db Added functions to watch events as they go through the event queue. Sam Lantinga <slouken@libsdl.org> parents: 5125 diff changeset	418 {
3052772b59db Added functions to watch events as they go through the event queue. Sam Lantinga <slouken@libsdl.org> parents: 5125 diff changeset	419 SDL_EventWatcher *prev = NULL;
3052772b59db Added functions to watch events as they go through the event queue. Sam Lantinga <slouken@libsdl.org> parents: 5125 diff changeset	420 SDL_EventWatcher *curr;
3052772b59db Added functions to watch events as they go through the event queue. Sam Lantinga <slouken@libsdl.org> parents: 5125 diff changeset	421
3052772b59db Added functions to watch events as they go through the event queue. Sam Lantinga <slouken@libsdl.org> parents: 5125 diff changeset	422 for (curr = SDL_event_watchers; curr; prev = curr, curr = curr->next) {
3052772b59db Added functions to watch events as they go through the event queue. Sam Lantinga <slouken@libsdl.org> parents: 5125 diff changeset	423 if (curr->callback == filter && curr->userdata == userdata) {
3052772b59db Added functions to watch events as they go through the event queue. Sam Lantinga <slouken@libsdl.org> parents: 5125 diff changeset	424 if (prev) {
3052772b59db Added functions to watch events as they go through the event queue. Sam Lantinga <slouken@libsdl.org> parents: 5125 diff changeset	425 prev->next = curr->next;
3052772b59db Added functions to watch events as they go through the event queue. Sam Lantinga <slouken@libsdl.org> parents: 5125 diff changeset	426 } else {
3052772b59db Added functions to watch events as they go through the event queue. Sam Lantinga <slouken@libsdl.org> parents: 5125 diff changeset	427 SDL_event_watchers = curr->next;
3052772b59db Added functions to watch events as they go through the event queue. Sam Lantinga <slouken@libsdl.org> parents: 5125 diff changeset	428 }
3052772b59db Added functions to watch events as they go through the event queue. Sam Lantinga <slouken@libsdl.org> parents: 5125 diff changeset	429 SDL_free(curr);
3052772b59db Added functions to watch events as they go through the event queue. Sam Lantinga <slouken@libsdl.org> parents: 5125 diff changeset	430 break;
3052772b59db Added functions to watch events as they go through the event queue. Sam Lantinga <slouken@libsdl.org> parents: 5125 diff changeset	431 }
3052772b59db Added functions to watch events as they go through the event queue. Sam Lantinga <slouken@libsdl.org> parents: 5125 diff changeset	432 }
3052772b59db Added functions to watch events as they go through the event queue. Sam Lantinga <slouken@libsdl.org> parents: 5125 diff changeset	433 }
3052772b59db Added functions to watch events as they go through the event queue. Sam Lantinga <slouken@libsdl.org> parents: 5125 diff changeset	434
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	435 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	436 SDL_FilterEvents(SDL_EventFilter filter, void *userdata)
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	437 {
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 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	439 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	440
c121d94672cb SDL 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 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	442 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	443 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	444 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	445 } 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	446 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	447 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	448 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	449 }
c121d94672cb SDL 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 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	451 }
c121d94672cb SDL 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
c121d94672cb SDL 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 Uint8
4429 faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	454 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	455 {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1769 diff changeset	456 Uint8 current_state;
4429 faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	457 Uint8 hi = ((type >> 8) & 0xff);
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	458 Uint8 lo = (type & 0xff);
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	459
4429 faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	460 if (SDL_disabled_events[hi] &&
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	461 (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	462 current_state = SDL_DISABLE;
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	463 } else {
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	464 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	465 }
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	466
4429 faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	467 if (state != current_state)
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	468 {
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	469 switch (state) {
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	470 case SDL_DISABLE:
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	471 /* 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	472 if (!SDL_disabled_events[hi]) {
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	473 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	474 if (!SDL_disabled_events[hi]) {
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	475 /* Out of memory, nothing we can do... */
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	476 break;
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	477 }
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	478 }
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	479 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	480 SDL_FlushEvent(type);
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	481 break;
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	482 case SDL_ENABLE:
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	483 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	484 break;
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	485 default:
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	486 /* Querying state... */
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	487 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	488 }
c121d94672cb SDL 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 }
4429 faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	490
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	491 return current_state;
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	492 }
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	493
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	494 Uint32
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	495 SDL_RegisterEvents(int numevents)
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	496 {
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	497 Uint32 event_base;
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	498
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	499 if (SDL_userevents+numevents <= SDL_LASTEVENT) {
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	500 event_base = SDL_userevents;
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	501 SDL_userevents += numevents;
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	502 } else {
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	503 event_base = (Uint32)-1;
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	504 }
faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	505 return event_base;
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	506 }
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	507
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	508 /* This is a generic event handler.
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	509 */
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	510 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	511 SDL_SendSysWMEvent(SDL_SysWMmsg * message)
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	512 {
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	513 int posted;
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	514
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	515 posted = 0;
4429 faa9fc8e7f67 General improvements for user custom event registration Sam Lantinga <slouken@libsdl.org> parents: 3697 diff changeset	516 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	517 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	518 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	519 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	520 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	521 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	522 }
c121d94672cb SDL 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 /* 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	524 return (posted);
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
c121d94672cb SDL 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 /* vi: set ts=4 sw=4 expandtab: */

Mercurial > sdl-ios-xcode

annotate src/events/SDL_events.c @ 5172:ededa1ccf91c