diff options
Diffstat (limited to 'present/present_event.c')
| -rw-r--r-- | present/present_event.c | 239 |
1 files changed, 239 insertions, 0 deletions
diff --git a/present/present_event.c b/present/present_event.c new file mode 100644 index 000000000..a30bc8286 --- /dev/null +++ b/present/present_event.c @@ -0,0 +1,239 @@ +/* + * Copyright © 2013 Keith Packard + * + * Permission to use, copy, modify, distribute, and sell this software and its + * documentation for any purpose is hereby granted without fee, provided that + * the above copyright notice appear in all copies and that both that copyright + * notice and this permission notice appear in supporting documentation, and + * that the name of the copyright holders not be used in advertising or + * publicity pertaining to distribution of the software without specific, + * written prior permission. The copyright holders make no representations + * about the suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, + * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO + * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR + * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, + * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER + * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE + * OF THIS SOFTWARE. + */ + +#ifdef HAVE_XORG_CONFIG_H +#include <xorg-config.h> +#endif + +#include "present_priv.h" + +#include "present_priv.h" + +RESTYPE present_event_type; + +static int +present_free_event(pointer data, XID id) +{ + present_event_ptr present_event = (present_event_ptr) data; + present_window_priv_ptr window_priv = present_window_priv(present_event->window); + present_event_ptr *previous, current; + + for (previous = &window_priv->events; (current = *previous); previous = ¤t->next) { + if (current == present_event) { + *previous = present_event->next; + break; + } + } + free((pointer) present_event); + return 1; + +} + +void +present_free_events(WindowPtr window) +{ + present_window_priv_ptr window_priv = present_window_priv(window); + present_event_ptr event; + + if (!window_priv) + return; + + while ((event = window_priv->events)) + FreeResource(event->id, RT_NONE); +} + +static void +present_event_swap(xGenericEvent *from, xGenericEvent *to) +{ + *to = *from; + swaps(&to->sequenceNumber); + swapl(&to->length); + swaps(&to->evtype); + switch (from->evtype) { + case PresentConfigureNotify: { + xPresentConfigureNotify *c = (xPresentConfigureNotify *) to; + + swapl(&c->eid); + swapl(&c->window); + swaps(&c->x); + swaps(&c->y); + swaps(&c->width); + swaps(&c->height); + swaps(&c->off_x); + swaps(&c->off_y); + swaps(&c->pixmap_width); + swaps(&c->pixmap_height); + swapl(&c->pixmap_flags); + break; + } + case PresentCompleteNotify: + { + xPresentCompleteNotify *c = (xPresentCompleteNotify *) to; + swapl(&c->eid); + swapl(&c->window); + swapl(&c->serial); + swapll(&c->ust); + swapll(&c->msc); + } + case PresentIdleNotify: + { + xPresentIdleNotify *c = (xPresentIdleNotify *) to; + swapl(&c->eid); + swapl(&c->window); + swapl(&c->serial); + swapl(&c->idle_fence); + } + } +} + +void +present_send_config_notify(WindowPtr window, int x, int y, int w, int h, int bw, WindowPtr sibling) +{ + present_window_priv_ptr window_priv = present_window_priv(window); + + if (window_priv) { + xPresentConfigureNotify cn = { + .type = GenericEvent, + .extension = present_request, + .length = (sizeof(xPresentConfigureNotify) - 32) >> 2, + .evtype = PresentConfigureNotify, + .eid = 0, + .window = window->drawable.id, + .x = x, + .y = y, + .width = w, + .height = h, + .off_x = 0, + .off_y = 0, + .pixmap_width = w, + .pixmap_height = h, + .pixmap_flags = 0 + }; + present_event_ptr event; + + for (event = window_priv->events; event; event = event->next) { + if (event->mask & (1 << PresentConfigureNotify)) { + cn.eid = event->id; + WriteEventsToClient(event->client, 1, (xEvent *) &cn); + } + } + } +} + +void +present_send_complete_notify(WindowPtr window, CARD8 kind, CARD8 mode, CARD32 serial, uint64_t ust, uint64_t msc) +{ + present_window_priv_ptr window_priv = present_window_priv(window); + + if (window_priv) { + xPresentCompleteNotify cn = { + .type = GenericEvent, + .extension = present_request, + .length = (sizeof(xPresentCompleteNotify) - 32) >> 2, + .evtype = PresentCompleteNotify, + .kind = kind, + .mode = mode, + .eid = 0, + .window = window->drawable.id, + .serial = serial, + .ust = ust, + .msc = msc, + }; + present_event_ptr event; + + for (event = window_priv->events; event; event = event->next) { + if (event->mask & PresentCompleteNotifyMask) { + cn.eid = event->id; + WriteEventsToClient(event->client, 1, (xEvent *) &cn); + } + } + } +} + +void +present_send_idle_notify(WindowPtr window, CARD32 serial, PixmapPtr pixmap, struct present_fence *idle_fence) +{ + present_window_priv_ptr window_priv = present_window_priv(window); + + if (window_priv) { + xPresentIdleNotify in = { + .type = GenericEvent, + .extension = present_request, + .length = (sizeof(xPresentIdleNotify) - 32) >> 2, + .evtype = PresentIdleNotify, + .eid = 0, + .window = window->drawable.id, + .serial = serial, + .pixmap = pixmap->drawable.id, + .idle_fence = present_fence_id(idle_fence) + }; + present_event_ptr event; + + for (event = window_priv->events; event; event = event->next) { + if (event->mask & PresentIdleNotifyMask) { + in.eid = event->id; + WriteEventsToClient(event->client, 1, (xEvent *) &in); + } + } + } +} + +int +present_select_input(ClientPtr client, XID eid, WindowPtr window, CARD32 mask) +{ + present_window_priv_ptr window_priv = present_get_window_priv(window, mask != 0); + present_event_ptr event; + + if (!window_priv) { + if (mask) + return BadAlloc; + return Success; + } + + event = calloc (1, sizeof (present_event_rec)); + if (!event) + return BadAlloc; + + event->client = client; + event->window = window; + event->id = eid; + event->mask = mask; + + event->next = window_priv->events; + window_priv->events = event; + + if (!AddResource(event->id, present_event_type, (pointer) event)) + return BadAlloc; + + return Success; +} + +Bool +present_event_init(void) +{ + present_event_type = CreateNewResourceType(present_free_event, "PresentEvent"); + if (!present_event_type) + return FALSE; + + GERegisterExtension(present_request, present_event_swap); + return TRUE; +} |