sdl-ios-xcode: src/events/SDL

annotate src/events/SDL_events.c @ 5159:307ccc9c135e

Made it possible to create a texture of any format, even if not supported by the renderer. This allows me to reduce the set of formats supported by the renderers to the most optimal set, for a nice speed boost.

author	Sam Lantinga <slouken@libsdl.org>
date	Thu, 03 Feb 2011 00:19:40 -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 @ 5159:307ccc9c135e