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events: Make debug logging of the event queue a hint instead of an #ifdef.

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This makes it easy to toggle it on when debugging a new platform (or just
getting more visibility into an app) without having to rebuild SDL.
This commit is contained in:
Ryan C. Gordon 2019-03-15 14:08:30 -04:00
parent cbe80d4708
commit 911bf6241b
4 changed files with 132 additions and 61 deletions
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23
include/SDL_hints.h
View File

@ -1078,6 +1078,29 @@ extern "C" {
#define SDL_HINT_RENDER_BATCHING "SDL_RENDER_BATCHING" #define SDL_HINT_RENDER_BATCHING "SDL_RENDER_BATCHING"
/**
* \brief A variable controlling whether SDL logs all events pushed onto its internal queue.
*
* This variable can be set to the following values:
*
* "0" - Don't log any events (default)
* "1" - Log all events except mouse and finger motion, which are pretty spammy.
* "2" - Log all events.
*
* This is generally meant to be used to debug SDL itself, but can be useful
* for application developers that need better visibility into what is going
* on in the event queue. Logged events are sent through SDL_Log(), which
* means by default they appear on stdout on most platforms or maybe
* OutputDebugString() on Windows, and can be funneled by the app with
* SDL_LogSetOutputFunction(), etc.
*
* This hint can be toggled on and off at runtime, if you only need to log
* events for a small subset of program execution.
*/
#define SDL_HINT_EVENT_LOGGING "SDL_EVENT_LOGGING"
/** /**
* \brief An enumeration of hint priorities * \brief An enumeration of hint priorities
*/ */

6
src/SDL.c
View File

@ -139,10 +139,9 @@ SDL_InitSubSystem(Uint32 flags)
if ((flags & SDL_INIT_EVENTS)) { if ((flags & SDL_INIT_EVENTS)) {
#if !SDL_EVENTS_DISABLED #if !SDL_EVENTS_DISABLED
if (SDL_PrivateShouldInitSubsystem(SDL_INIT_EVENTS)) { if (SDL_PrivateShouldInitSubsystem(SDL_INIT_EVENTS)) {
if (SDL_StartEventLoop() < 0) { if (SDL_EventsInit() < 0) {
return (-1); return (-1);
} }
SDL_QuitInit();
} }
SDL_PrivateSubsystemRefCountIncr(SDL_INIT_EVENTS); SDL_PrivateSubsystemRefCountIncr(SDL_INIT_EVENTS);
#else #else
@ -333,8 +332,7 @@ SDL_QuitSubSystem(Uint32 flags)
#if !SDL_EVENTS_DISABLED #if !SDL_EVENTS_DISABLED
if ((flags & SDL_INIT_EVENTS)) { if ((flags & SDL_INIT_EVENTS)) {
if (SDL_PrivateShouldQuitSubsystem(SDL_INIT_EVENTS)) { if (SDL_PrivateShouldQuitSubsystem(SDL_INIT_EVENTS)) {
SDL_QuitQuit(); SDL_EventsQuit();
SDL_StopEventLoop();
} }
SDL_PrivateSubsystemRefCountDecr(SDL_INIT_EVENTS); SDL_PrivateSubsystemRefCountDecr(SDL_INIT_EVENTS);
} }

159
src/events/SDL_events.c
View File

@ -33,8 +33,6 @@
#include "../video/SDL_sysvideo.h" #include "../video/SDL_sysvideo.h"
#include "SDL_syswm.h" #include "SDL_syswm.h"
/*#define SDL_DEBUG_EVENTS 1*/
/* An arbitrary limit so we don't have unbounded growth */ /* An arbitrary limit so we don't have unbounded growth */
#define SDL_MAX_QUEUED_EVENTS 65535 #define SDL_MAX_QUEUED_EVENTS 65535
@ -87,32 +85,53 @@ static struct
} SDL_EventQ = { NULL, { 1 }, { 0 }, 0, NULL, NULL, NULL, NULL, NULL }; } SDL_EventQ = { NULL, { 1 }, { 0 }, 0, NULL, NULL, NULL, NULL, NULL };
#ifdef SDL_DEBUG_EVENTS /* 0 (default) means no logging, 1 means logging, 2 means logging with mouse and finger motion */
static int SDL_DoEventLogging = 0;
/* this is to make printf() calls cleaner. */ static void SDLCALL
#define uint unsigned int SDL_EventLoggingChanged(void *userdata, const char *name, const char *oldValue, const char *hint)
{
SDL_DoEventLogging = (hint && *hint) ? SDL_max(SDL_min(SDL_atoi(hint), 2), 0) : 0;
}
static void static void
SDL_DebugPrintEvent(const SDL_Event *event) SDL_LogEvent(const SDL_Event *event)
{ {
/* !!! FIXME: This code is kinda ugly, sorry. */ char name[32];
printf("SDL EVENT: "); char details[128];
if ((event->type >= SDL_USEREVENT) && (event->type <= SDL_LASTEVENT)) { /* mouse/finger motion are spammy, ignore these if they aren't demanded. */
printf("SDL_USEREVENT"); if ( (SDL_DoEventLogging < 2) &&
if (event->type > SDL_USEREVENT) { ( (event->type == SDL_MOUSEMOTION) ||
printf("+%u", ((uint) event->type) - SDL_USEREVENT); (event->type == SDL_FINGERMOTION) ) ) {
}
printf(" (timestamp=%u windowid=%u code=%d data1=%p data2=%p)",
(uint) event->user.timestamp, (uint) event->user.windowID,
(int) event->user.code, event->user.data1, event->user.data2);
return; return;
} }
/* this is to make SDL_snprintf() calls cleaner. */
#define uint unsigned int
name[0] = '\0';
details[0] = '\0';
/* !!! FIXME: This code is kinda ugly, sorry. */
if ((event->type >= SDL_USEREVENT) && (event->type <= SDL_LASTEVENT)) {
char plusstr[16];
SDL_strlcpy(name, "SDL_USEREVENT", sizeof (name));
if (event->type > SDL_USEREVENT) {
SDL_snprintf(plusstr, sizeof (plusstr), "+%u", ((uint) event->type) - SDL_USEREVENT);
} else {
plusstr[0] = '\0';
}
SDL_snprintf(details, sizeof (details), "%s (timestamp=%u windowid=%u code=%d data1=%p data2=%p)",
plusstr, (uint) event->user.timestamp, (uint) event->user.windowID,
(int) event->user.code, event->user.data1, event->user.data2);
}
switch (event->type) { switch (event->type) {
#define SDL_EVENT_CASE(x) case x: printf("%s", #x); #define SDL_EVENT_CASE(x) case x: SDL_strlcpy(name, #x, sizeof (name));
SDL_EVENT_CASE(SDL_FIRSTEVENT) printf("(THIS IS PROBABLY A BUG!)"); break; SDL_EVENT_CASE(SDL_FIRSTEVENT) SDL_strlcpy(details, " (THIS IS PROBABLY A BUG!)", sizeof (details)); break;
SDL_EVENT_CASE(SDL_QUIT) printf("(timestamp=%u)", (uint) event->quit.timestamp); break; SDL_EVENT_CASE(SDL_QUIT) SDL_snprintf(details, sizeof (details), " (timestamp=%u)", (uint) event->quit.timestamp); break;
SDL_EVENT_CASE(SDL_APP_TERMINATING) break; SDL_EVENT_CASE(SDL_APP_TERMINATING) break;
SDL_EVENT_CASE(SDL_APP_LOWMEMORY) break; SDL_EVENT_CASE(SDL_APP_LOWMEMORY) break;
SDL_EVENT_CASE(SDL_APP_WILLENTERBACKGROUND) break; SDL_EVENT_CASE(SDL_APP_WILLENTERBACKGROUND) break;
@ -123,15 +142,12 @@ SDL_DebugPrintEvent(const SDL_Event *event)
SDL_EVENT_CASE(SDL_CLIPBOARDUPDATE) break; SDL_EVENT_CASE(SDL_CLIPBOARDUPDATE) break;
SDL_EVENT_CASE(SDL_RENDER_TARGETS_RESET) break; SDL_EVENT_CASE(SDL_RENDER_TARGETS_RESET) break;
SDL_EVENT_CASE(SDL_RENDER_DEVICE_RESET) break; SDL_EVENT_CASE(SDL_RENDER_DEVICE_RESET) break;
#undef SDL_EVENT_CASE
#define SDL_EVENT_CASE(x) case x: printf("%s ", #x); SDL_EVENT_CASE(SDL_WINDOWEVENT) {
char name2[64];
SDL_EVENT_CASE(SDL_WINDOWEVENT)
printf("(timestamp=%u windowid=%u event=", (uint) event->window.timestamp, (uint) event->window.windowID);
switch(event->window.event) { switch(event->window.event) {
case SDL_WINDOWEVENT_NONE: printf("none(THIS IS PROBABLY A BUG!)"); break; case SDL_WINDOWEVENT_NONE: SDL_strlcpy(name2, "SDL_WINDOWEVENT_NONE (THIS IS PROBABLY A BUG!)", sizeof (name2)); break;
#define SDL_WINDOWEVENT_CASE(x) case x: printf("%s", #x); break #define SDL_WINDOWEVENT_CASE(x) case x: SDL_strlcpy(name2, #x, sizeof (name2)); break
SDL_WINDOWEVENT_CASE(SDL_WINDOWEVENT_SHOWN); SDL_WINDOWEVENT_CASE(SDL_WINDOWEVENT_SHOWN);
SDL_WINDOWEVENT_CASE(SDL_WINDOWEVENT_HIDDEN); SDL_WINDOWEVENT_CASE(SDL_WINDOWEVENT_HIDDEN);
SDL_WINDOWEVENT_CASE(SDL_WINDOWEVENT_EXPOSED); SDL_WINDOWEVENT_CASE(SDL_WINDOWEVENT_EXPOSED);
@ -149,18 +165,20 @@ SDL_DebugPrintEvent(const SDL_Event *event)
SDL_WINDOWEVENT_CASE(SDL_WINDOWEVENT_TAKE_FOCUS); SDL_WINDOWEVENT_CASE(SDL_WINDOWEVENT_TAKE_FOCUS);
SDL_WINDOWEVENT_CASE(SDL_WINDOWEVENT_HIT_TEST); SDL_WINDOWEVENT_CASE(SDL_WINDOWEVENT_HIT_TEST);
#undef SDL_WINDOWEVENT_CASE #undef SDL_WINDOWEVENT_CASE
default: printf("UNKNOWN(bug? fixme?)"); break; default: SDL_strlcpy(name2, "UNKNOWN (bug? fixme?)", sizeof (name2)); break;
} }
printf(" data1=%d data2=%d)", (int) event->window.data1, (int) event->window.data2); SDL_snprintf(details, sizeof (details), " (timestamp=%u windowid=%u event=%s data1=%d data2=%d)",
(uint) event->window.timestamp, (uint) event->window.windowID, name2, (int) event->window.data1, (int) event->window.data2);
break; break;
}
SDL_EVENT_CASE(SDL_SYSWMEVENT) SDL_EVENT_CASE(SDL_SYSWMEVENT)
printf("(timestamp=%u)", (uint) event->syswm.timestamp);
/* !!! FIXME: we don't delve further at the moment. */ /* !!! FIXME: we don't delve further at the moment. */
SDL_snprintf(details, sizeof (details), " (timestamp=%u)", (uint) event->syswm.timestamp);
break; break;
#define PRINT_KEY_EVENT(event) \ #define PRINT_KEY_EVENT(event) \
printf("(timestamp=%u windowid=%u state=%s repeat=%s scancode=%u keycode=%u mod=%u)", \ SDL_snprintf(details, sizeof (details), " (timestamp=%u windowid=%u state=%s repeat=%s scancode=%u keycode=%u mod=%u)", \
(uint) event->key.timestamp, (uint) event->key.windowID, \ (uint) event->key.timestamp, (uint) event->key.windowID, \
event->key.state == SDL_PRESSED ? "pressed" : "released", \ event->key.state == SDL_PRESSED ? "pressed" : "released", \
event->key.repeat ? "true" : "false", \ event->key.repeat ? "true" : "false", \
@ -172,18 +190,18 @@ SDL_DebugPrintEvent(const SDL_Event *event)
#undef PRINT_KEY_EVENT #undef PRINT_KEY_EVENT
SDL_EVENT_CASE(SDL_TEXTEDITING) SDL_EVENT_CASE(SDL_TEXTEDITING)
printf("(timestamp=%u windowid=%u text='%s' start=%d length=%d)", SDL_snprintf(details, sizeof (details), " (timestamp=%u windowid=%u text='%s' start=%d length=%d)",
(uint) event->edit.timestamp, (uint) event->edit.windowID, (uint) event->edit.timestamp, (uint) event->edit.windowID,
event->edit.text, (int) event->edit.start, (int) event->edit.length); event->edit.text, (int) event->edit.start, (int) event->edit.length);
break; break;
SDL_EVENT_CASE(SDL_TEXTINPUT) SDL_EVENT_CASE(SDL_TEXTINPUT)
printf("(timestamp=%u windowid=%u text='%s')", (uint) event->text.timestamp, (uint) event->text.windowID, event->text.text); SDL_snprintf(details, sizeof (details), " (timestamp=%u windowid=%u text='%s')", (uint) event->text.timestamp, (uint) event->text.windowID, event->text.text);
break; break;
SDL_EVENT_CASE(SDL_MOUSEMOTION) SDL_EVENT_CASE(SDL_MOUSEMOTION)
printf("(timestamp=%u windowid=%u which=%u state=%u x=%d y=%d xrel=%d yrel=%d)", SDL_snprintf(details, sizeof (details), " (timestamp=%u windowid=%u which=%u state=%u x=%d y=%d xrel=%d yrel=%d)",
(uint) event->motion.timestamp, (uint) event->motion.windowID, (uint) event->motion.timestamp, (uint) event->motion.windowID,
(uint) event->motion.which, (uint) event->motion.state, (uint) event->motion.which, (uint) event->motion.state,
(int) event->motion.x, (int) event->motion.y, (int) event->motion.x, (int) event->motion.y,
@ -191,7 +209,7 @@ SDL_DebugPrintEvent(const SDL_Event *event)
break; break;
#define PRINT_MBUTTON_EVENT(event) \ #define PRINT_MBUTTON_EVENT(event) \
printf("(timestamp=%u windowid=%u which=%u button=%u state=%s clicks=%u x=%d y=%d)", \ SDL_snprintf(details, sizeof (details), " (timestamp=%u windowid=%u which=%u button=%u state=%s clicks=%u x=%d y=%d)", \
(uint) event->button.timestamp, (uint) event->button.windowID, \ (uint) event->button.timestamp, (uint) event->button.windowID, \
(uint) event->button.which, (uint) event->button.button, \ (uint) event->button.which, (uint) event->button.button, \
event->button.state == SDL_PRESSED ? "pressed" : "released", \ event->button.state == SDL_PRESSED ? "pressed" : "released", \
@ -202,65 +220,65 @@ SDL_DebugPrintEvent(const SDL_Event *event)
SDL_EVENT_CASE(SDL_MOUSEWHEEL) SDL_EVENT_CASE(SDL_MOUSEWHEEL)
printf("(timestamp=%u windowid=%u which=%u x=%d y=%d direction=%s)", SDL_snprintf(details, sizeof (details), " (timestamp=%u windowid=%u which=%u x=%d y=%d direction=%s)",
(uint) event->wheel.timestamp, (uint) event->wheel.windowID, (uint) event->wheel.timestamp, (uint) event->wheel.windowID,
(uint) event->wheel.which, (int) event->wheel.x, (int) event->wheel.y, (uint) event->wheel.which, (int) event->wheel.x, (int) event->wheel.y,
event->wheel.direction == SDL_MOUSEWHEEL_NORMAL ? "normal" : "flipped"); event->wheel.direction == SDL_MOUSEWHEEL_NORMAL ? "normal" : "flipped");
break; break;
SDL_EVENT_CASE(SDL_JOYAXISMOTION) SDL_EVENT_CASE(SDL_JOYAXISMOTION)
printf("(timestamp=%u which=%d axis=%u value=%d)", SDL_snprintf(details, sizeof (details), " (timestamp=%u which=%d axis=%u value=%d)",
(uint) event->jaxis.timestamp, (int) event->jaxis.which, (uint) event->jaxis.timestamp, (int) event->jaxis.which,
(uint) event->jaxis.axis, (int) event->jaxis.value); (uint) event->jaxis.axis, (int) event->jaxis.value);
break; break;
SDL_EVENT_CASE(SDL_JOYBALLMOTION) SDL_EVENT_CASE(SDL_JOYBALLMOTION)
printf("(timestamp=%u which=%d ball=%u xrel=%d yrel=%d)", SDL_snprintf(details, sizeof (details), " (timestamp=%u which=%d ball=%u xrel=%d yrel=%d)",
(uint) event->jball.timestamp, (int) event->jball.which, (uint) event->jball.timestamp, (int) event->jball.which,
(uint) event->jball.ball, (int) event->jball.xrel, (int) event->jball.yrel); (uint) event->jball.ball, (int) event->jball.xrel, (int) event->jball.yrel);
break; break;
SDL_EVENT_CASE(SDL_JOYHATMOTION) SDL_EVENT_CASE(SDL_JOYHATMOTION)
printf("(timestamp=%u which=%d hat=%u value=%u)", SDL_snprintf(details, sizeof (details), " (timestamp=%u which=%d hat=%u value=%u)",
(uint) event->jhat.timestamp, (int) event->jhat.which, (uint) event->jhat.timestamp, (int) event->jhat.which,
(uint) event->jhat.hat, (uint) event->jhat.value); (uint) event->jhat.hat, (uint) event->jhat.value);
break; break;
#define PRINT_JBUTTON_EVENT(event) \ #define PRINT_JBUTTON_EVENT(event) \
printf("(timestamp=%u which=%d button=%u state=%s)", \ SDL_snprintf(details, sizeof (details), " (timestamp=%u which=%d button=%u state=%s)", \
(uint) event->jbutton.timestamp, (int) event->jbutton.which, \ (uint) event->jbutton.timestamp, (int) event->jbutton.which, \
(uint) event->jbutton.button, event->jbutton.state == SDL_PRESSED ? "pressed" : "released") (uint) event->jbutton.button, event->jbutton.state == SDL_PRESSED ? "pressed" : "released")
SDL_EVENT_CASE(SDL_JOYBUTTONDOWN) PRINT_JBUTTON_EVENT(event); break; SDL_EVENT_CASE(SDL_JOYBUTTONDOWN) PRINT_JBUTTON_EVENT(event); break;
SDL_EVENT_CASE(SDL_JOYBUTTONUP) PRINT_JBUTTON_EVENT(event); break; SDL_EVENT_CASE(SDL_JOYBUTTONUP) PRINT_JBUTTON_EVENT(event); break;
#undef PRINT_JBUTTON_EVENT #undef PRINT_JBUTTON_EVENT
#define PRINT_JOYDEV_EVENT(event) printf("(timestamp=%u which=%d)", (uint) event->jdevice.timestamp, (int) event->jdevice.which) #define PRINT_JOYDEV_EVENT(event) SDL_snprintf(details, sizeof (details), " (timestamp=%u which=%d)", (uint) event->jdevice.timestamp, (int) event->jdevice.which)
SDL_EVENT_CASE(SDL_JOYDEVICEADDED) PRINT_JOYDEV_EVENT(event); break; SDL_EVENT_CASE(SDL_JOYDEVICEADDED) PRINT_JOYDEV_EVENT(event); break;
SDL_EVENT_CASE(SDL_JOYDEVICEREMOVED) PRINT_JOYDEV_EVENT(event); break; SDL_EVENT_CASE(SDL_JOYDEVICEREMOVED) PRINT_JOYDEV_EVENT(event); break;
#undef PRINT_JOYDEV_EVENT #undef PRINT_JOYDEV_EVENT
SDL_EVENT_CASE(SDL_CONTROLLERAXISMOTION) SDL_EVENT_CASE(SDL_CONTROLLERAXISMOTION)
printf("(timestamp=%u which=%d axis=%u value=%d)", SDL_snprintf(details, sizeof (details), " (timestamp=%u which=%d axis=%u value=%d)",
(uint) event->caxis.timestamp, (int) event->caxis.which, (uint) event->caxis.timestamp, (int) event->caxis.which,
(uint) event->caxis.axis, (int) event->caxis.value); (uint) event->caxis.axis, (int) event->caxis.value);
break; break;
#define PRINT_CBUTTON_EVENT(event) \ #define PRINT_CBUTTON_EVENT(event) \
printf("(timestamp=%u which=%d button=%u state=%s)", \ SDL_snprintf(details, sizeof (details), " (timestamp=%u which=%d button=%u state=%s)", \
(uint) event->cbutton.timestamp, (int) event->cbutton.which, \ (uint) event->cbutton.timestamp, (int) event->cbutton.which, \
(uint) event->cbutton.button, event->cbutton.state == SDL_PRESSED ? "pressed" : "released") (uint) event->cbutton.button, event->cbutton.state == SDL_PRESSED ? "pressed" : "released")
SDL_EVENT_CASE(SDL_CONTROLLERBUTTONDOWN) PRINT_CBUTTON_EVENT(event); break; SDL_EVENT_CASE(SDL_CONTROLLERBUTTONDOWN) PRINT_CBUTTON_EVENT(event); break;
SDL_EVENT_CASE(SDL_CONTROLLERBUTTONUP) PRINT_CBUTTON_EVENT(event); break; SDL_EVENT_CASE(SDL_CONTROLLERBUTTONUP) PRINT_CBUTTON_EVENT(event); break;
#undef PRINT_CBUTTON_EVENT #undef PRINT_CBUTTON_EVENT
#define PRINT_CONTROLLERDEV_EVENT(event) printf("(timestamp=%u which=%d)", (uint) event->cdevice.timestamp, (int) event->cdevice.which) #define PRINT_CONTROLLERDEV_EVENT(event) SDL_snprintf(details, sizeof (details), " (timestamp=%u which=%d)", (uint) event->cdevice.timestamp, (int) event->cdevice.which)
SDL_EVENT_CASE(SDL_CONTROLLERDEVICEADDED) PRINT_CONTROLLERDEV_EVENT(event); break; SDL_EVENT_CASE(SDL_CONTROLLERDEVICEADDED) PRINT_CONTROLLERDEV_EVENT(event); break;
SDL_EVENT_CASE(SDL_CONTROLLERDEVICEREMOVED) PRINT_CONTROLLERDEV_EVENT(event); break; SDL_EVENT_CASE(SDL_CONTROLLERDEVICEREMOVED) PRINT_CONTROLLERDEV_EVENT(event); break;
SDL_EVENT_CASE(SDL_CONTROLLERDEVICEREMAPPED) PRINT_CONTROLLERDEV_EVENT(event); break; SDL_EVENT_CASE(SDL_CONTROLLERDEVICEREMAPPED) PRINT_CONTROLLERDEV_EVENT(event); break;
#undef PRINT_CONTROLLERDEV_EVENT #undef PRINT_CONTROLLERDEV_EVENT
#define PRINT_FINGER_EVENT(event) \ #define PRINT_FINGER_EVENT(event) \
printf("(timestamp=%u touchid=%lld fingerid=%lld x=%f y=%f dx=%f dy=%f pressure=%f)", \ SDL_snprintf(details, sizeof (details), " (timestamp=%u touchid=%lld fingerid=%lld x=%f y=%f dx=%f dy=%f pressure=%f)", \
(uint) event->tfinger.timestamp, (long long) event->tfinger.touchId, \ (uint) event->tfinger.timestamp, (long long) event->tfinger.touchId, \
(long long) event->tfinger.fingerId, event->tfinger.x, event->tfinger.y, \ (long long) event->tfinger.fingerId, event->tfinger.x, event->tfinger.y, \
event->tfinger.dx, event->tfinger.dy, event->tfinger.pressure) event->tfinger.dx, event->tfinger.dy, event->tfinger.pressure)
@ -270,7 +288,7 @@ SDL_DebugPrintEvent(const SDL_Event *event)
#undef PRINT_FINGER_EVENT #undef PRINT_FINGER_EVENT
#define PRINT_DOLLAR_EVENT(event) \ #define PRINT_DOLLAR_EVENT(event) \
printf("(timestamp=%u touchid=%lld gestureid=%lld numfingers=%u error=%f x=%f y=%f)", \ SDL_snprintf(details, sizeof (details), " (timestamp=%u touchid=%lld gestureid=%lld numfingers=%u error=%f x=%f y=%f)", \
(uint) event->dgesture.timestamp, (long long) event->dgesture.touchId, \ (uint) event->dgesture.timestamp, (long long) event->dgesture.touchId, \
(long long) event->dgesture.gestureId, (uint) event->dgesture.numFingers, \ (long long) event->dgesture.gestureId, (uint) event->dgesture.numFingers, \
event->dgesture.error, event->dgesture.x, event->dgesture.y); event->dgesture.error, event->dgesture.x, event->dgesture.y);
@ -279,20 +297,20 @@ SDL_DebugPrintEvent(const SDL_Event *event)
#undef PRINT_DOLLAR_EVENT #undef PRINT_DOLLAR_EVENT
SDL_EVENT_CASE(SDL_MULTIGESTURE) SDL_EVENT_CASE(SDL_MULTIGESTURE)
printf("(timestamp=%u touchid=%lld dtheta=%f ddist=%f x=%f y=%f numfingers=%u)", SDL_snprintf(details, sizeof (details), " (timestamp=%u touchid=%lld dtheta=%f ddist=%f x=%f y=%f numfingers=%u)",
(uint) event->mgesture.timestamp, (long long) event->mgesture.touchId, (uint) event->mgesture.timestamp, (long long) event->mgesture.touchId,
event->mgesture.dTheta, event->mgesture.dDist, event->mgesture.dTheta, event->mgesture.dDist,
event->mgesture.x, event->mgesture.y, (uint) event->mgesture.numFingers); event->mgesture.x, event->mgesture.y, (uint) event->mgesture.numFingers);
break; break;
#define PRINT_DROP_EVENT(event) printf("(file='%s' timestamp=%u windowid=%u)", event->drop.file, (uint) event->drop.timestamp, (uint) event->drop.windowID) #define PRINT_DROP_EVENT(event) SDL_snprintf(details, sizeof (details), " (file='%s' timestamp=%u windowid=%u)", event->drop.file, (uint) event->drop.timestamp, (uint) event->drop.windowID)
SDL_EVENT_CASE(SDL_DROPFILE) PRINT_DROP_EVENT(event); break; SDL_EVENT_CASE(SDL_DROPFILE) PRINT_DROP_EVENT(event); break;
SDL_EVENT_CASE(SDL_DROPTEXT) PRINT_DROP_EVENT(event); break; SDL_EVENT_CASE(SDL_DROPTEXT) PRINT_DROP_EVENT(event); break;
SDL_EVENT_CASE(SDL_DROPBEGIN) PRINT_DROP_EVENT(event); break; SDL_EVENT_CASE(SDL_DROPBEGIN) PRINT_DROP_EVENT(event); break;
SDL_EVENT_CASE(SDL_DROPCOMPLETE) PRINT_DROP_EVENT(event); break; SDL_EVENT_CASE(SDL_DROPCOMPLETE) PRINT_DROP_EVENT(event); break;
#undef PRINT_DROP_EVENT #undef PRINT_DROP_EVENT
#define PRINT_AUDIODEV_EVENT(event) printf("(timestamp=%u which=%u iscapture=%s)", (uint) event->adevice.timestamp, (uint) event->adevice.which, event->adevice.iscapture ? "true" : "false"); #define PRINT_AUDIODEV_EVENT(event) SDL_snprintf(details, sizeof (details), " (timestamp=%u which=%u iscapture=%s)", (uint) event->adevice.timestamp, (uint) event->adevice.which, event->adevice.iscapture ? "true" : "false");
SDL_EVENT_CASE(SDL_AUDIODEVICEADDED) PRINT_AUDIODEV_EVENT(event); break; SDL_EVENT_CASE(SDL_AUDIODEVICEADDED) PRINT_AUDIODEV_EVENT(event); break;
SDL_EVENT_CASE(SDL_AUDIODEVICEREMOVED) PRINT_AUDIODEV_EVENT(event); break; SDL_EVENT_CASE(SDL_AUDIODEVICEREMOVED) PRINT_AUDIODEV_EVENT(event); break;
#undef PRINT_AUDIODEV_EVENT #undef PRINT_AUDIODEV_EVENT
@ -300,14 +318,19 @@ SDL_DebugPrintEvent(const SDL_Event *event)
#undef SDL_EVENT_CASE #undef SDL_EVENT_CASE
default: default:
printf("UNKNOWN SDL EVENT #%u! (Bug? FIXME?)", (uint) event->type); if (!name[0]) {
SDL_strlcpy(name, "UNKNOWN", sizeof (name));
SDL_snprintf(details, sizeof (details), " #%u! (Bug? FIXME?)", (uint) event->type);
}
break; break;
} }
printf("\n"); if (name[0]) {
SDL_Log("SDL EVENT: %s%s", name, details);
}
#undef uint
} }
#undef uint
#endif
@ -451,9 +474,9 @@ SDL_AddEvent(SDL_Event * event)
SDL_EventQ.free = entry->next; SDL_EventQ.free = entry->next;
} }
#ifdef SDL_DEBUG_EVENTS if (SDL_DoEventLogging) {
SDL_DebugPrintEvent(event); SDL_LogEvent(event);
#endif }
entry->event = *event; entry->event = *event;
if (event->type == SDL_SYSWMEVENT) { if (event->type == SDL_SYSWMEVENT) {
@ -975,4 +998,30 @@ SDL_SendKeymapChangedEvent(void)
return SDL_SendAppEvent(SDL_KEYMAPCHANGED); return SDL_SendAppEvent(SDL_KEYMAPCHANGED);
} }
extern int SDL_QuitInit(void);
extern void SDL_QuitQuit(void);
int
SDL_EventsInit(void)
{
SDL_AddHintCallback(SDL_HINT_EVENT_LOGGING, SDL_EventLoggingChanged, NULL);
if (SDL_StartEventLoop() < 0) {
SDL_DelHintCallback(SDL_HINT_EVENT_LOGGING, SDL_EventLoggingChanged, NULL);
return -1;
}
SDL_QuitInit();
return 0;
}
void
SDL_EventsQuit(void)
{
SDL_QuitQuit();
SDL_StopEventLoop();
SDL_DelHintCallback(SDL_HINT_EVENT_LOGGING, SDL_EventLoggingChanged, NULL);
}
/* vi: set ts=4 sw=4 expandtab: */ /* vi: set ts=4 sw=4 expandtab: */

5
src/events/SDL_events_c.h
View File

@ -47,9 +47,10 @@ extern int SDL_SendAppEvent(SDL_EventType eventType);
extern int SDL_SendSysWMEvent(SDL_SysWMmsg * message); extern int SDL_SendSysWMEvent(SDL_SysWMmsg * message);
extern int SDL_SendKeymapChangedEvent(void); extern int SDL_SendKeymapChangedEvent(void);
extern int SDL_QuitInit(void);
extern int SDL_SendQuit(void); extern int SDL_SendQuit(void);
extern void SDL_QuitQuit(void);
extern int SDL_EventsInit(void);
extern void SDL_EventsQuit(void);
extern void SDL_SendPendingQuit(void); extern void SDL_SendPendingQuit(void);