config: add fullscreen window criteria

src/config/handler.rs

@@ -2001,6 +2001,7 @@ impl ConfigProxyHandler {
             WindowCriterionIpc::Visible => mgr.visible(),
             WindowCriterionIpc::Urgent => mgr.urgent(),
             WindowCriterionIpc::SeatFocus(seat) => mgr.seat_focus(&*self.get_seat(*seat)?),
+            WindowCriterionIpc::Fullscreen => mgr.fullscreen(),
         };
         let cached = Rc::new(CachedCriterion {
             crit: criterion.clone(),

src/criteria/tlm.rs

@@ -14,6 +14,7 @@ use {
             tlm::tlm_matchers::{
                 tlmm_client::TlmMatchClient,
                 tlmm_floating::TlmMatchFloating,
+                tlmm_fullscreen::TlmMatchFullscreen,
                 tlmm_kind::TlmMatchKind,
                 tlmm_seat_focus::TlmMatchSeatFocus,
                 tlmm_string::{TlmMatchAppId, TlmMatchTitle},
@@ -47,6 +48,7 @@ bitflags! {
     TL_CHANGED_VISIBLE     = 1 << 5,
     TL_CHANGED_URGENT      = 1 << 6,
     TL_CHANGED_SEAT_FOCI   = 1 << 7,
+    TL_CHANGED_FULLSCREEN  = 1 << 8,
 }
 
 type TlmFixedRootMatcher<T> = FixedRootMatcher<ToplevelData, T>;
@@ -59,6 +61,7 @@ pub struct TlMatcherManager {
     floating: TlmFixedRootMatcher<TlmMatchFloating>,
     visible: TlmFixedRootMatcher<TlmMatchVisible>,
     urgent: TlmFixedRootMatcher<TlmMatchUrgent>,
+    fullscreen: TlmFixedRootMatcher<TlmMatchFullscreen>,
     matchers: Rc<RootMatchers>,
 }
 
@@ -113,6 +116,7 @@ impl TlMatcherManager {
             floating: bool!(TlmMatchFloating),
             visible: bool!(TlmMatchVisible),
             urgent: bool!(TlmMatchUrgent),
+            fullscreen: bool!(TlmMatchFullscreen),
             changes: Default::default(),
             leaf_events: Default::default(),
             ids: ids.clone(),
@@ -187,6 +191,7 @@ impl TlMatcherManager {
         fixed_conditional!(TL_CHANGED_FLOATING, floating);
         fixed_conditional!(TL_CHANGED_VISIBLE, visible);
         fixed_conditional!(TL_CHANGED_URGENT, urgent);
+        fixed_conditional!(TL_CHANGED_FULLSCREEN, fullscreen);
         false
     }
 
@@ -257,6 +262,7 @@ impl TlMatcherManager {
         fixed_conditional!(TL_CHANGED_FLOATING, floating);
         fixed_conditional!(TL_CHANGED_VISIBLE, visible);
         fixed_conditional!(TL_CHANGED_URGENT, urgent);
+        fixed_conditional!(TL_CHANGED_FULLSCREEN, fullscreen);
     }
 
     pub fn title(&self, string: CritLiteralOrRegex) -> Rc<TlmUpstreamNode> {
@@ -283,6 +289,10 @@ impl TlMatcherManager {
         self.visible[true].clone()
     }
 
+    pub fn fullscreen(&self) -> Rc<TlmUpstreamNode> {
+        self.fullscreen[true].clone()
+    }
+
     pub fn urgent(&self) -> Rc<TlmUpstreamNode> {
         self.urgent[true].clone()
     }

src/criteria/tlm/tlm_matchers.rs

@@ -19,6 +19,7 @@ macro_rules! fixed_root_criterion {
 
 pub mod tlmm_client;
 pub mod tlmm_floating;
+pub mod tlmm_fullscreen;
 pub mod tlmm_kind;
 pub mod tlmm_seat_focus;
 pub mod tlmm_string;

src/criteria/tlm/tlm_matchers/tlmm_fullscreen.rs

@@ -0,0 +1,11 @@
+use crate::{criteria::crit_graph::CritFixedRootCriterion, tree::ToplevelData};
+
+pub struct TlmMatchFullscreen(pub bool);
+
+fixed_root_criterion!(TlmMatchFullscreen, fullscreen);
+
+impl CritFixedRootCriterion<ToplevelData> for TlmMatchFullscreen {
+    fn matches(&self, data: &ToplevelData) -> bool {
+        data.is_fullscreen.get()
+    }
+}

src/tree/toplevel.rs

@@ -4,8 +4,9 @@ use {
         criteria::{
             CritDestroyListener, CritMatcherId,
             tlm::{
-                TL_CHANGED_APP_ID, TL_CHANGED_DESTROYED, TL_CHANGED_FLOATING, TL_CHANGED_NEW,
-                TL_CHANGED_TITLE, TL_CHANGED_URGENT, TL_CHANGED_VISIBLE, TlMatcherChange,
+                TL_CHANGED_APP_ID, TL_CHANGED_DESTROYED, TL_CHANGED_FLOATING,
+                TL_CHANGED_FULLSCREEN, TL_CHANGED_NEW, TL_CHANGED_TITLE, TL_CHANGED_URGENT,
+                TL_CHANGED_VISIBLE, TlMatcherChange,
             },
         },
         ifs::{
@@ -579,6 +580,7 @@ impl ToplevelData {
         });
         drop(data);
         self.is_fullscreen.set(true);
+        self.property_changed(TL_CHANGED_FULLSCREEN);
         node.tl_set_parent(ws.clone());
         ws.set_fullscreen_node(&node);
         node.clone()
@@ -601,6 +603,7 @@ impl ToplevelData {
             }
         };
         self.is_fullscreen.set(false);
+        self.property_changed(TL_CHANGED_FULLSCREEN);
         match fd.workspace.fullscreen.get() {
             None => {
                 log::error!(