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Wayland: Use tags to verify proxy ownership

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This is in preparation for adding support for libdecor, which creates
its own proxies on our display.  It will likely also be helpful to some
people using native access on Wayland.

This is partly based on the implementation of libdecor support in
PR #1693 by @ christianrauch.
This commit is contained in:
Camilla Löwy
2022-11-03 21:51:29 +01:00
parent 6d9083af03
commit 91c837ace5
4 changed files with 42 additions and 3 deletions
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src/wl_init.c
+9 -1
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@@ -507,6 +507,8 @@ int _glfwInitWayland(void)
_glfw.wl.keyRepeatTimerfd = -1;
_glfw.wl.cursorTimerfd = -1;
_glfw.wl.tag = glfwGetVersionString();
_glfw.wl.client.display_flush = (PFN_wl_display_flush)
_glfwPlatformGetModuleSymbol(_glfw.wl.client.handle, "wl_display_flush");
_glfw.wl.client.display_cancel_read = (PFN_wl_display_cancel_read)
@@ -537,6 +539,10 @@ int _glfwInitWayland(void)
_glfwPlatformGetModuleSymbol(_glfw.wl.client.handle, "wl_proxy_get_user_data");
_glfw.wl.client.proxy_set_user_data = (PFN_wl_proxy_set_user_data)
_glfwPlatformGetModuleSymbol(_glfw.wl.client.handle, "wl_proxy_set_user_data");
_glfw.wl.client.proxy_get_tag = (PFN_wl_proxy_get_tag)
_glfwPlatformGetModuleSymbol(_glfw.wl.client.handle, "wl_proxy_get_tag");
_glfw.wl.client.proxy_set_tag = (PFN_wl_proxy_set_tag)
_glfwPlatformGetModuleSymbol(_glfw.wl.client.handle, "wl_proxy_set_tag");
_glfw.wl.client.proxy_get_version = (PFN_wl_proxy_get_version)
_glfwPlatformGetModuleSymbol(_glfw.wl.client.handle, "wl_proxy_get_version");
_glfw.wl.client.proxy_marshal_flags = (PFN_wl_proxy_marshal_flags)
@@ -556,7 +562,9 @@ int _glfwInitWayland(void)
!_glfw.wl.client.proxy_marshal_constructor ||
!_glfw.wl.client.proxy_marshal_constructor_versioned ||
!_glfw.wl.client.proxy_get_user_data ||
!_glfw.wl.client.proxy_set_user_data)
!_glfw.wl.client.proxy_set_user_data ||
!_glfw.wl.client.proxy_get_tag ||
!_glfw.wl.client.proxy_set_tag)
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"Wayland: Failed to load libwayland-client entry point");