diff --git a/metadata/ghost.xml b/metadata/ghost.xml
new file mode 100644
index 0000000..5a54bc9
--- /dev/null
+++ b/metadata/ghost.xml
@@ -0,0 +1,17 @@
+
+
+
+ <_short>Ghost Windows
+ Window Management
+
+
+
+
diff --git a/metadata/meson.build b/metadata/meson.build
index 081949b..17bea4b 100644
--- a/metadata/meson.build
+++ b/metadata/meson.build
@@ -7,6 +7,7 @@ install_data('focus-change.xml', install_dir: wayfire.get_variable(pkgconfig: 'm
install_data('focus-steal-prevent.xml', install_dir: wayfire.get_variable(pkgconfig: 'metadatadir'))
install_data('follow-focus.xml', install_dir: wayfire.get_variable(pkgconfig: 'metadatadir'))
install_data('force-fullscreen.xml', install_dir: wayfire.get_variable(pkgconfig: 'metadatadir'))
+install_data('ghost.xml', install_dir: wayfire.get_variable(pkgconfig: 'metadatadir'))
install_data('hide-cursor.xml', install_dir: wayfire.get_variable(pkgconfig: 'metadatadir'))
install_data('join-views.xml', install_dir: wayfire.get_variable(pkgconfig: 'metadatadir'))
install_data('keycolor.xml', install_dir: wayfire.get_variable(pkgconfig: 'metadatadir'))
diff --git a/src/ghost.cpp b/src/ghost.cpp
new file mode 100644
index 0000000..82b185d
--- /dev/null
+++ b/src/ghost.cpp
@@ -0,0 +1,117 @@
+#include
+#include
+#include
+#include
+#include
+#include
+#include
+#include
+#include
+#include
+#include
+#include
+#include
+
+const std::string shade_transformer_name = "ghost_transformer";
+
+namespace wf
+{
+namespace ghost
+{
+using namespace wf::scene;
+class ghost_view : public wf::scene::view_2d_transformer_t
+{
+ wayfire_view view;
+
+ public:
+
+ ghost_view(wayfire_view view) : wf::scene::view_2d_transformer_t(view)
+ {
+ this->view = view;
+ }
+
+ std::optional find_node_at(const wf::pointf_t& at) override
+ {
+ return {};
+ }
+
+ virtual ~ghost_view()
+ {}
+};
+
+class ghost_plugin : public wf::plugin_interface_t
+{
+ wf::ipc_activator_t ghost_window{"ghost/ghost_window"};
+ wf::view_matcher_t ghost_match{"ghost/ghost_match"};
+
+ void pop_transformer(wayfire_view view)
+ {
+ if (view->get_transformed_node()->get_transformer(shade_transformer_name))
+ {
+ view->get_transformed_node()->rem_transformer(shade_transformer_name);
+ }
+ }
+
+ void remove_shade_transformers()
+ {
+ for (auto& view : wf::get_core().get_all_views())
+ {
+ pop_transformer(view);
+ }
+ }
+
+ std::shared_ptr ensure_transformer(wayfire_view view)
+ {
+ auto tmgr = view->get_transformed_node();
+ if (auto tr = tmgr->get_transformer(shade_transformer_name))
+ {
+ return tr;
+ }
+
+ auto node = std::make_shared(view);
+ tmgr->add_transformer(node, wf::TRANSFORMER_2D, shade_transformer_name);
+ auto tr = tmgr->get_transformer(shade_transformer_name);
+
+ return tr;
+ }
+
+ public:
+
+ void init() override
+ {
+ for (auto& view : wf::get_core().get_all_views())
+ {
+ if (ghost_match.matches(view))
+ {
+ ensure_transformer(view);
+ }
+ }
+
+ ghost_window.set_handler(ghost_view_cb);
+ wf::get_core().connect(&on_view_map);
+ }
+
+ wf::ipc_activator_t::handler_t ghost_view_cb = [=] (wf::output_t *output, wayfire_view view)
+ {
+ ensure_transformer(view);
+ return true;
+ };
+
+ wf::signal::connection_t on_view_map = [=] (wf::view_mapped_signal *ev)
+ {
+ if (ghost_match.matches(ev->view))
+ {
+ ensure_transformer(ev->view);
+ }
+ };
+
+ void fini() override
+ {
+ remove_shade_transformers();
+ on_view_map.disconnect();
+ }
+};
+}
+}
+
+DECLARE_WAYFIRE_PLUGIN(wf::ghost::ghost_plugin);
diff --git a/src/meson.build b/src/meson.build
index 952b678..e02c334 100644
--- a/src/meson.build
+++ b/src/meson.build
@@ -36,6 +36,10 @@ force_fullscreen = shared_module('force-fullscreen', 'force-fullscreen.cpp',
dependencies: [wayfire],
install: true, install_dir: join_paths(get_option('libdir'), 'wayfire'))
+ghost = shared_module('ghost', 'ghost.cpp',
+ dependencies: [wayfire],
+ install: true, install_dir: join_paths(get_option('libdir'), 'wayfire'))
+
if giomm.found()
glib_main_loop = shared_module('glib-main-loop', 'glib-main-loop.cpp',
dependencies: [wayfire, giomm],