diff options
Diffstat (limited to 'dri3/dri3_event.c')
| -rw-r--r-- | dri3/dri3_event.c | 163 |
1 files changed, 163 insertions, 0 deletions
diff --git a/dri3/dri3_event.c b/dri3/dri3_event.c new file mode 100644 index 000000000..02f0f6579 --- /dev/null +++ b/dri3/dri3_event.c @@ -0,0 +1,163 @@ +/* + * 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 "dri3_priv.h" + +RESTYPE dri3_event_type; + +static int +dri3_free_event(pointer data, XID id) +{ + dri3_event_ptr dri3_event = (dri3_event_ptr) data; + dri3_window_priv_ptr window_priv = dri3_window_priv(dri3_event->window); + dri3_event_ptr *previous, current; + + for (previous = &window_priv->events; (current = *previous); previous = ¤t->next) { + if (current == dri3_event) { + *previous = dri3_event->next; + break; + } + } + free((pointer) dri3_event); + return 1; + +} + +void +dri3_free_events(WindowPtr window) +{ + dri3_window_priv_ptr window_priv = dri3_window_priv(window); + dri3_event_ptr event; + + if (!window_priv) + return; + + while ((event = window_priv->events)) + FreeResource(event->id, RT_NONE); +} + +static void +dri3_event_swap(xGenericEvent *from, xGenericEvent *to) +{ + *to = *from; + swaps(&to->sequenceNumber); + swapl(&to->length); + swaps(&to->evtype); + switch (from->evtype) { + case DRI3_ConfigureNotify: { + xDRI3ConfigureNotify *c = (xDRI3ConfigureNotify *) 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; + } + } +} + +void +dri3_send_config_notify(WindowPtr window, int x, int y, int w, int h, int bw, WindowPtr sibling) +{ + dri3_window_priv_ptr window_priv = dri3_window_priv(window); + + if (window_priv) { + xDRI3ConfigureNotify cn = { + .type = GenericEvent, + .extension = dri3_request, + .length = (sizeof(xDRI3ConfigureNotify) - 32) >> 2, + .evtype = DRI3_ConfigureNotify, + .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 + }; + dri3_event_ptr event; + dri3_screen_priv_ptr screen_priv = dri3_screen_priv(window->drawable.pScreen); + + if (screen_priv->info && screen_priv->info->driver_config) + screen_priv->info->driver_config(window, &cn); + + for (event = window_priv->events; event; event = event->next) { + if (event->mask & (1 << DRI3ConfigureNotify)) { + cn.eid = event->id; + WriteEventsToClient(event->client, 1, (xEvent *) &cn); + } + } + } +} + +int +dri3_select_input(ClientPtr client, XID eid, WindowPtr window, CARD32 mask) +{ + dri3_window_priv_ptr window_priv = dri3_window_priv(window); + dri3_event_ptr event; + + if (!window_priv) + return BadAlloc; + + event = calloc (1, sizeof (dri3_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, dri3_event_type, (pointer) event)) + return BadAlloc; + + return Success; +} + +Bool +dri3_event_init(void) +{ + dri3_event_type = CreateNewResourceType(dri3_free_event, "DRI3Event"); + if (!dri3_event_type) + return FALSE; + + GERegisterExtension(dri3_request, dri3_event_swap); + return TRUE; +} |