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105 lines
2.8 KiB
105 lines
2.8 KiB
/*
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* Copyright © 2008 Kristian Høgsberg
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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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#include <stdint.h>
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#include <glib/giochannel.h>
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#include "wayland-client.h"
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#include "wayland-glib.h"
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struct _WaylandSource {
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GSource source;
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GPollFD pfd;
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uint32_t mask;
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struct wl_display *display;
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};
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static gboolean
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wayland_source_prepare(GSource *base, gint *timeout)
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{
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WaylandSource *source = (WaylandSource *) base;
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*timeout = -1;
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/* We have to add/remove the GPollFD if we want to update our
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* poll event mask dynamically. Instead, let's just flush all
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* write on idle instead, which is what this amounts to. */
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while (source->mask & WL_DISPLAY_WRITABLE)
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wl_display_iterate(source->display,
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WL_DISPLAY_WRITABLE);
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return FALSE;
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}
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static gboolean
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wayland_source_check(GSource *base)
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{
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WaylandSource *source = (WaylandSource *) base;
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return source->pfd.revents;
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}
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static gboolean
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wayland_source_dispatch(GSource *base,
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GSourceFunc callback,
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gpointer data)
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{
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WaylandSource *source = (WaylandSource *) base;
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wl_display_iterate(source->display,
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WL_DISPLAY_READABLE);
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return TRUE;
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}
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static GSourceFuncs wayland_source_funcs = {
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wayland_source_prepare,
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wayland_source_check,
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wayland_source_dispatch,
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NULL
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};
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static int
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wayland_source_update(uint32_t mask, void *data)
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{
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WaylandSource *source = data;
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source->mask = mask;
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return 0;
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}
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GSource *
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wayland_source_new(struct wl_display *display)
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{
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WaylandSource *source;
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source = (WaylandSource *) g_source_new(&wayland_source_funcs,
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sizeof (WaylandSource));
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source->display = display;
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source->pfd.fd = wl_display_get_fd(display,
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wayland_source_update, source);
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source->pfd.events = G_IO_IN | G_IO_ERR;
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g_source_add_poll(&source->source, &source->pfd);
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return &source->source;
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}
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