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/*
* Copyright © 2019 Jonas Ådahl
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial
* portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#include "config.h"
#include "libdecor-fallback.h"
#include <poll.h>
#include <errno.h>
#include "utils.h"
struct libdecor_plugin_fallback {
struct libdecor_plugin plugin;
struct libdecor *context;
};
static void
libdecor_plugin_fallback_destroy(struct libdecor_plugin *plugin)
{
libdecor_plugin_release(plugin);
free(plugin);
}
static int
libdecor_plugin_fallback_get_fd(struct libdecor_plugin *plugin)
{
struct libdecor_plugin_fallback *plugin_fallback =
(struct libdecor_plugin_fallback *) plugin;
struct wl_display *wl_display =
libdecor_get_wl_display(plugin_fallback->context);
return wl_display_get_fd(wl_display);
}
static int
libdecor_plugin_fallback_dispatch(struct libdecor_plugin *plugin,
int timeout)
{
struct libdecor_plugin_fallback *plugin_fallback =
(struct libdecor_plugin_fallback *) plugin;
struct wl_display *wl_display =
libdecor_get_wl_display(plugin_fallback->context);
struct pollfd fds[1];
int ret;
int dispatch_count = 0;
while (wl_display_prepare_read(wl_display) != 0)
dispatch_count += wl_display_dispatch_pending(wl_display);
if (wl_display_flush(wl_display) < 0 &&
errno != EAGAIN) {
wl_display_cancel_read(wl_display);
return -errno;
}
fds[0] = (struct pollfd) { wl_display_get_fd(wl_display), POLLIN };
ret = poll(fds, ARRAY_SIZE (fds), timeout);
if (ret > 0) {
if (fds[0].revents & POLLIN) {
wl_display_read_events(wl_display);
dispatch_count += wl_display_dispatch_pending(wl_display);
return dispatch_count;
} else {
wl_display_cancel_read(wl_display);
return dispatch_count;
}
} else if (ret == 0) {
wl_display_cancel_read(wl_display);
return dispatch_count;
} else {
wl_display_cancel_read(wl_display);
return -errno;
}
}
static struct libdecor_frame *
libdecor_plugin_fallback_frame_new(struct libdecor_plugin *plugin)
{
struct libdecor_frame *frame;
frame = zalloc(sizeof *frame);
return frame;
}
static void
libdecor_plugin_fallback_frame_free(struct libdecor_plugin *plugin,
struct libdecor_frame *frame)
{
}
static void
libdecor_plugin_fallback_frame_commit(struct libdecor_plugin *plugin,
struct libdecor_frame *frame,
struct libdecor_state *state,
struct libdecor_configuration *configuration)
{
}
static void
libdecor_plugin_fallback_frame_property_changed(struct libdecor_plugin *plugin,
struct libdecor_frame *frame)
{
}
static void
libdecor_plugin_fallback_frame_popup_grab(struct libdecor_plugin *plugin,
struct libdecor_frame *frame,
const char *seat_name)
{
}
static void
libdecor_plugin_fallback_frame_popup_ungrab(struct libdecor_plugin *plugin,
struct libdecor_frame *frame,
const char *seat_name)
{
}
static bool
libdecor_plugin_fallback_frame_get_border_size(struct libdecor_plugin *plugin,
struct libdecor_frame *frame,
struct libdecor_configuration *configuration,
int *left,
int *right,
int *top,
int *bottom)
{
*left = *right = *top = *bottom = 0;
return true;
}
static struct libdecor_plugin_interface fallback_plugin_iface = {
.destroy = libdecor_plugin_fallback_destroy,
.get_fd = libdecor_plugin_fallback_get_fd,
.dispatch = libdecor_plugin_fallback_dispatch,
.frame_new = libdecor_plugin_fallback_frame_new,
.frame_free = libdecor_plugin_fallback_frame_free,
.frame_commit = libdecor_plugin_fallback_frame_commit,
.frame_property_changed = libdecor_plugin_fallback_frame_property_changed,
.frame_popup_grab = libdecor_plugin_fallback_frame_popup_grab,
.frame_popup_ungrab = libdecor_plugin_fallback_frame_popup_ungrab,
.frame_get_border_size = libdecor_plugin_fallback_frame_get_border_size,
};
struct libdecor_plugin *
libdecor_fallback_plugin_new(struct libdecor *context)
{
struct libdecor_plugin_fallback *plugin;
plugin = zalloc(sizeof *plugin);
libdecor_plugin_init(&plugin->plugin, context, &fallback_plugin_iface);
plugin->context = context;
libdecor_notify_plugin_ready(context);
return &plugin->plugin;
}
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