xdg-shell: Implement xdg-shell v5 capabilities event

This skips over xdg-shell v4, which can be implemented with no changes
as it's just another optional event.

v5 adds a capabilities event, which we send to inform clients of the
window manager's capabilities.

Signed-off-by: Daniel Stone <daniels@collabora.com>
dev
Daniel Stone 2 years ago committed by Marius Vlad
parent 1541c44777
commit b047f989a5
  1. 32
      libweston/desktop/xdg-shell.c

@ -45,7 +45,7 @@
* implements the older unstable xdg shell v6 protocol.
************************************************************************************/
#define WD_XDG_SHELL_PROTOCOL_VERSION 3
#define WD_XDG_SHELL_PROTOCOL_VERSION 5
static const char *weston_desktop_xdg_toplevel_role = "xdg_toplevel";
static const char *weston_desktop_xdg_popup_role = "xdg_popup";
@ -1162,6 +1162,7 @@ weston_desktop_xdg_surface_protocol_get_toplevel(struct wl_client *wl_client,
weston_desktop_surface_get_surface(dsurface);
struct weston_desktop_xdg_toplevel *toplevel =
weston_desktop_surface_get_implementation_data(dsurface);
struct weston_desktop *desktop = toplevel->base.desktop;
if (weston_surface_set_role(wsurface, weston_desktop_xdg_toplevel_role,
resource, XDG_WM_BASE_ERROR_ROLE) < 0)
@ -1176,6 +1177,35 @@ weston_desktop_xdg_surface_protocol_get_toplevel(struct wl_client *wl_client,
return;
toplevel->base.role = WESTON_DESKTOP_XDG_SURFACE_ROLE_TOPLEVEL;
if (wl_resource_get_version(toplevel->resource) >=
XDG_TOPLEVEL_WM_CAPABILITIES_SINCE_VERSION) {
struct wl_array caps;
uint32_t *cap;
wl_array_init(&caps);
if (weston_desktop_window_menu_supported(desktop)) {
cap = wl_array_add(&caps, sizeof(*cap));
*cap = XDG_TOPLEVEL_WM_CAPABILITIES_WINDOW_MENU;
}
if (weston_desktop_maximize_supported(desktop)) {
cap = wl_array_add(&caps, sizeof(*cap));
*cap = XDG_TOPLEVEL_WM_CAPABILITIES_MAXIMIZE;
}
if (weston_desktop_fullscreen_supported(desktop)) {
cap = wl_array_add(&caps, sizeof(*cap));
*cap = XDG_TOPLEVEL_WM_CAPABILITIES_FULLSCREEN;
}
if (weston_desktop_minimize_supported(desktop)) {
cap = wl_array_add(&caps, sizeof(*cap));
*cap = XDG_TOPLEVEL_WM_CAPABILITIES_MINIMIZE;
}
xdg_toplevel_send_wm_capabilities(toplevel->resource, &caps);
wl_array_release(&caps);
}
}
static void

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