/*****************************************************************************
* Copyright (C) 2024 VLC authors and VideoLAN
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* ( at your option ) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
#include "csdmenu_wayland.h"
#include <assert.h>
#include <wayland-client.h>
#include "xdg-shell-client-protocol.h"
typedef struct {
struct wl_display* display;
struct wl_event_queue* queue;
struct xdg_wm_base *wm_base;
struct xdg_toplevel *toplevel;
} csd_menu_priv_t;
static void csd_registry_global_cb(void* data, struct wl_registry* registry,
uint32_t id, const char* iface, uint32_t version)
{
qt_csd_menu_t* obj = (qt_csd_menu_t*)data;
csd_menu_priv_t* sys = (csd_menu_priv_t*)obj->p_sys;
if (!strcmp(iface, "xdg_wm_base")) {
sys->wm_base = (struct xdg_wm_base*)wl_registry_bind(registry, id, &xdg_wm_base_interface, version);
}
}
static void csd_registry_global_remove_cb(void* data, struct wl_registry* registry, uint32_t id)
{
VLC_UNUSED(data);
VLC_UNUSED(registry);
VLC_UNUSED(id);
}
static const struct wl_registry_listener csd_registry_cbs = {
csd_registry_global_cb,
csd_registry_global_remove_cb,
};
static bool CSDMenuPopup(qt_csd_menu_t* p_this, qt_csd_menu_event* event)
{
csd_menu_priv_t* sys = (csd_menu_priv_t*)p_this->p_sys;
assert (event->platform == QT_CSD_PLATFORM_WAYLAND);
if (unlikely(!sys->toplevel))
return false;
xdg_toplevel_show_window_menu(sys->toplevel, event->data.wayland.seat, event->data.wayland.serial, event->x, event->y);
return true;
}
void WaylandCSDMenuClose(vlc_object_t* obj)
{
qt_csd_menu_t* menu = (qt_csd_menu_t*)obj;
csd_menu_priv_t* sys = (csd_menu_priv_t*)menu->p_sys;
if (sys->wm_base)
xdg_wm_base_destroy(sys->wm_base);
if (sys->queue)
wl_event_queue_destroy(sys->queue);
}
int WaylandCSDMenuOpen(qt_csd_menu_t* p_this, qt_csd_menu_info* info)
{
if (info->platform != QT_CSD_PLATFORM_WAYLAND) {
return VLC_EGENERIC;
}
if (info->data.wayland.display == NULL || info->data.wayland.toplevel == NULL) {
msg_Warn(p_this, "wayland display or surface not provided");
return VLC_EGENERIC;
}
csd_menu_priv_t* sys = (csd_menu_priv_t*)vlc_obj_calloc(p_this, 1, sizeof(csd_menu_priv_t));
if (!sys)
return VLC_ENOMEM;
p_this->p_sys = sys;
sys->display = info->data.wayland.display;
sys->queue = wl_display_create_queue(sys->display);
void* wrapper = wl_proxy_create_wrapper(sys->display);
wl_proxy_set_queue((struct wl_proxy*)wrapper, sys->queue);
struct wl_registry* registry = wl_display_get_registry((struct wl_display*)wrapper);
wl_proxy_wrapper_destroy(wrapper);
wl_registry_add_listener(registry, &csd_registry_cbs, p_this);
wl_display_roundtrip_queue(sys->display, sys->queue);
wl_registry_destroy(registry);
if (!sys->wm_base) {
msg_Dbg(p_this, "wm_base not found");
goto error;
}
sys->toplevel = info->data.wayland.toplevel;
//module functions
p_this->popup = CSDMenuPopup;
return VLC_SUCCESS;
error:
p_this->p_sys = NULL;
WaylandCSDMenuClose(VLC_OBJECT(p_this));
vlc_obj_free(p_this, sys);
return VLC_EGENERIC;
}
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