Commit 127d2ac9 authored by Jonas Ådahl's avatar Jonas Ådahl Committed by Matthias Clasen

wayland: Add API for creating exported window handles

Using the xdg_foreign protocol, expose a way to get handles to windows
that may be shared between processes.

https://bugzilla.gnome.org/show_bug.cgi?id=769788
parent e1a03ead
......@@ -60,7 +60,7 @@ m4_define([cairo_required_version], [1.14.0])
m4_define([gdk_pixbuf_required_version], [2.30.0])
m4_define([introspection_required_version], [1.39.0])
m4_define([wayland_required_version], [1.9.91])
m4_define([wayland_protocols_required_version], [1.5])
m4_define([wayland_protocols_required_version], [1.6])
m4_define([mirclient_required_version], [0.22.0])
m4_define([mircookie_required_version], [0.17.0])
m4_define([epoxy_required_version], [1.0])
......
......@@ -25,6 +25,8 @@ BUILT_SOURCES = \
pointer-gestures-unstable-v1-protocol.c \
xdg-shell-unstable-v6-client-protocol.h \
xdg-shell-unstable-v6-protocol.c \
xdg-foreign-unstable-v1-client-protocol.h \
xdg-foreign-unstable-v1-protocol.c \
gtk-primary-selection-client-protocol.h \
gtk-primary-selection-protocol.c \
tablet-unstable-v2-client-protocol.h \
......
......@@ -45,6 +45,7 @@
#include "pointer-gestures-unstable-v1-client-protocol.h"
#include "tablet-unstable-v2-client-protocol.h"
#include "xdg-shell-unstable-v6-client-protocol.h"
#include "xdg-foreign-unstable-v1-client-protocol.h"
/**
* SECTION:wayland_interaction
......@@ -433,6 +434,12 @@ gdk_registry_handle_global (void *data,
wl_registry_bind(display_wayland->wl_registry, id,
&zwp_tablet_manager_v2_interface, 1);
}
else if (strcmp (interface, "zxdg_exporter_v1") == 0)
{
display_wayland->xdg_exporter =
wl_registry_bind (display_wayland->wl_registry, id,
&zxdg_exporter_v1_interface, 1);
}
else
handled = FALSE;
......
......@@ -30,6 +30,7 @@
#include <gdk/wayland/tablet-unstable-v2-client-protocol.h>
#include <gdk/wayland/gtk-shell-client-protocol.h>
#include <gdk/wayland/xdg-shell-unstable-v6-client-protocol.h>
#include <gdk/wayland/xdg-foreign-unstable-v1-client-protocol.h>
#include <glib.h>
#include <gdk/gdkkeys.h>
......@@ -74,6 +75,7 @@ struct _GdkWaylandDisplay
struct zwp_pointer_gestures_v1 *pointer_gestures;
struct gtk_primary_selection_device_manager *primary_selection_manager;
struct zwp_tablet_manager_v2 *tablet_manager;
struct zxdg_exporter_v1 *xdg_exporter;
GList *async_roundtrips;
......
......@@ -60,6 +60,18 @@ void gdk_wayland_window_set_dbus_properties_libgtk_only (Gdk
const char *application_object_path,
const char *unique_bus_name);
typedef void (*GdkWaylandWindowExported) (GdkWindow *window,
const char *handle,
gpointer user_data);
GDK_AVAILABLE_IN_3_22
gboolean gdk_wayland_window_export_handle (GdkWindow *window,
GdkWaylandWindowExported callback,
gpointer user_data,
GDestroyNotify destroy_func);
GDK_AVAILABLE_IN_3_22
void gdk_wayland_window_unexport_handle (GdkWindow *window);
G_END_DECLS
......
......@@ -118,6 +118,7 @@ struct _GdkWindowImplWayland
struct wl_subsurface *wl_subsurface;
struct wl_egl_window *egl_window;
struct wl_egl_window *dummy_egl_window;
struct zxdg_exported_v1 *xdg_exported;
} display_server;
EGLSurface egl_surface;
......@@ -196,6 +197,12 @@ struct _GdkWindowImplWayland
int height;
GdkWindowState state;
} pending;
struct {
GdkWaylandWindowExported callback;
gpointer user_data;
GDestroyNotify destroy_func;
} exported;
};
struct _GdkWindowImplWaylandClass
......@@ -3828,3 +3835,83 @@ _gdk_wayland_window_offset_next_wl_buffer (GdkWindow *window,
impl->pending_buffer_offset_x = x;
impl->pending_buffer_offset_y = y;
}
static void
xdg_exported_handle (void *data,
struct zxdg_exported_v1 *zxdg_exported_v1,
const char *handle)
{
GdkWindow *window = data;
GdkWindowImplWayland *impl = GDK_WINDOW_IMPL_WAYLAND (window->impl);
impl->exported.callback (window, handle, impl->exported.user_data);
impl->exported.user_data = NULL;
}
static const struct zxdg_exported_v1_listener xdg_exported_listener = {
xdg_exported_handle
};
/**
* gdk_wayland_window_export_handle:
*
* Stability: unstable
*/
gboolean
gdk_wayland_window_export_handle (GdkWindow *window,
GdkWaylandWindowExported callback,
gpointer user_data,
GDestroyNotify destroy_func)
{
GdkWindowImplWayland *impl;
GdkWaylandDisplay *display_wayland;
GdkDisplay *display = gdk_window_get_display (window);
struct zxdg_exported_v1 *xdg_exported;
g_return_val_if_fail (GDK_IS_WAYLAND_WINDOW (window), FALSE);
g_return_val_if_fail (GDK_IS_WAYLAND_DISPLAY (display), FALSE);
impl = GDK_WINDOW_IMPL_WAYLAND (window->impl);
display_wayland = GDK_WAYLAND_DISPLAY (display);
g_return_val_if_fail (!impl->display_server.xdg_exported, FALSE);
if (!display_wayland->xdg_exporter)
{
g_warning ("Server is missing xdg_foreign support");
return FALSE;
}
xdg_exported = zxdg_exporter_v1_export (display_wayland->xdg_exporter,
impl->display_server.wl_surface);
zxdg_exported_v1_add_listener (xdg_exported, &xdg_exported_listener, window);
impl->display_server.xdg_exported = xdg_exported;
impl->exported.callback = callback;
impl->exported.user_data = user_data;
impl->exported.destroy_func = destroy_func;
return TRUE;
}
/**
* gdk_wayland_window_unexport_handle:
*
* Stability: unstable
*/
void
gdk_wayland_window_unexport_handle (GdkWindow *window)
{
GdkWindowImplWayland *impl;
g_return_if_fail (GDK_IS_WAYLAND_WINDOW (window));
impl = GDK_WINDOW_IMPL_WAYLAND (window->impl);
g_return_if_fail (impl->display_server.xdg_exported);
g_clear_pointer (&impl->display_server.xdg_exported,
zxdg_exported_v1_destroy);
g_clear_pointer (&impl->exported.user_data,
impl->exported.destroy_func);
}
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