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