WayVR: Display auto-hide support (Fixes #98), keyboard settings in config

src/backend/wayvr/display.rs

@@ -15,11 +15,14 @@ use smithay::{
     wayland::shell::xdg::ToplevelSurface,
 };
 
-use crate::{backend::overlay::OverlayID, gen_id};
+use crate::{
+    backend::{overlay::OverlayID, wayvr::time::get_millis},
+    gen_id,
+};
 
 use super::{
     client::WayVRManager, comp::send_frames_surface_tree, egl_data, event_queue::SyncEventQueue,
-    process, smithay_wrapper, time, window,
+    process, smithay_wrapper, time, window, WayVRSignal,
 };
 
 fn generate_auth_key() -> String {
@@ -55,6 +58,7 @@ pub struct Display {
     pub displayed_windows: Vec<DisplayWindow>,
     wayland_env: super::WaylandEnv,
     last_pressed_time_ms: u64,
+    pub no_windows_since: Option<u64>,
 
     // Render data stuff
     gles_texture: GlesTexture, // TODO: drop texture
@@ -123,6 +127,7 @@ impl Display {
             overlay_id: None,
             tasks: SyncEventQueue::new(),
             last_pressed_time_ms: 0,
+            no_windows_since: None,
         })
     }
 
@@ -158,7 +163,24 @@ impl Display {
         }
     }
 
-    pub fn tick(&mut self) {
+    pub fn tick(
+        &mut self,
+        config: &super::Config,
+        handle: &DisplayHandle,
+        signals: &mut SyncEventQueue<WayVRSignal>,
+    ) {
+        if self.visible {
+            if !self.displayed_windows.is_empty() {
+                self.no_windows_since = None;
+            } else if let Some(auto_hide_delay) = config.auto_hide_delay {
+                if let Some(s) = self.no_windows_since {
+                    if s + (auto_hide_delay as u64) < get_millis() {
+                        signals.send(WayVRSignal::DisplayHideRequest(*handle));
+                    }
+                }
+            }
+        }
+
         while let Some(task) = self.tasks.read() {
             match task {
                 DisplayTask::ProcessCleanup(process_handle) => {
@@ -169,6 +191,7 @@ impl Display {
                         self.name,
                         self.displayed_windows.len()
                     );
+                    self.no_windows_since = Some(get_millis());
 
                     self.reposition_windows();
                 }
@@ -248,6 +271,7 @@ impl Display {
             self.visible = visible;
             if visible {
                 self.wants_redraw = true;
+                self.no_windows_since = None;
             }
         }
     }

src/backend/wayvr/mod.rs

@@ -65,10 +65,16 @@ pub enum WayVRTask {
     ProcessTerminationRequest(process::ProcessHandle),
 }
 
+#[derive(Clone)]
+pub enum WayVRSignal {
+    DisplayHideRequest(display::DisplayHandle),
+}
+
 pub struct Config {
     pub click_freeze_time_ms: u32,
     pub keyboard_repeat_delay_ms: u32,
     pub keyboard_repeat_rate: u32,
+    pub auto_hide_delay: Option<u32>, // if None, auto-hide is disabled
 }
 
 #[allow(dead_code)]
@@ -83,6 +89,7 @@ pub struct WayVR {
     config: Config,
 
     tasks: SyncEventQueue<WayVRTask>,
+    pub signals: SyncEventQueue<WayVRSignal>,
 }
 
 pub enum MouseIndex {
@@ -140,6 +147,7 @@ impl WayVR {
             processes: ProcessVec::new(),
             egl_data: Rc::new(egl_data),
             wm: Rc::new(RefCell::new(window::WindowManager::new())),
+            signals: SyncEventQueue::new(),
             tasks,
             config,
         })
@@ -206,9 +214,9 @@ impl WayVR {
             }
         }
 
-        for display in self.displays.vec.iter_mut().flatten() {
-            display.obj.tick();
-        }
+        self.displays.iter_mut(&mut |handle, display| {
+            display.tick(&self.config, &handle, &mut self.signals);
+        });
 
         while let Some(task) = self.tasks.read() {
             match task {

src/config_wayvr.rs

@@ -80,12 +80,40 @@ impl WayVRCatalog {
     }
 }
 
+fn def_true() -> bool {
+    true
+}
+
+fn def_autohide_delay() -> u32 {
+    750
+}
+
+fn def_keyboard_repeat_delay() -> u32 {
+    200
+}
+
+fn def_keyboard_repeat_rate() -> u32 {
+    50
+}
+
 #[derive(Deserialize, Serialize)]
 pub struct WayVRConfig {
     pub version: u32,
     pub run_compositor_at_start: bool,
     pub catalogs: HashMap<String, WayVRCatalog>,
     pub displays: BTreeMap<String, WayVRDisplay>, // sorted alphabetically
+
+    #[serde(default = "def_true")]
+    pub auto_hide: bool,
+
+    #[serde(default = "def_autohide_delay")]
+    pub auto_hide_delay: u32,
+
+    #[serde(default = "def_keyboard_repeat_delay")]
+    pub keyboard_repeat_delay: u32,
+
+    #[serde(default = "def_keyboard_repeat_rate")]
+    pub keyboard_repeat_rate: u32,
 }
 
 impl WayVRConfig {
@@ -106,11 +134,19 @@ impl WayVRConfig {
         None
     }
 
-    pub fn get_wayvr_config(config: &crate::config::GeneralConfig) -> wayvr::Config {
+    pub fn get_wayvr_config(
+        config_general: &crate::config::GeneralConfig,
+        config_wayvr: &crate::config_wayvr::WayVRConfig,
+    ) -> wayvr::Config {
         wayvr::Config {
-            click_freeze_time_ms: config.click_freeze_time_ms,
-            keyboard_repeat_delay_ms: 200,
-            keyboard_repeat_rate: 50,
+            click_freeze_time_ms: config_general.click_freeze_time_ms,
+            keyboard_repeat_delay_ms: config_wayvr.keyboard_repeat_delay,
+            keyboard_repeat_rate: config_wayvr.keyboard_repeat_rate,
+            auto_hide_delay: if config_wayvr.auto_hide {
+                Some(config_wayvr.auto_hide_delay)
+            } else {
+                None
+            },
         }
     }
 
@@ -147,7 +183,7 @@ impl WayVRConfig {
         if self.run_compositor_at_start {
             // Start Wayland server instantly
             Ok(Some(Rc::new(RefCell::new(WayVRState::new(
-                Self::get_wayvr_config(config),
+                Self::get_wayvr_config(config, &self),
             )?))))
         } else {
             // Lazy-init WayVR later if the user requested

src/overlays/wayvr.rs

@@ -6,12 +6,13 @@ use wlx_capture::frame::{DmabufFrame, FourCC, FrameFormat, FramePlane};
 
 use crate::{
     backend::{
-        common::OverlayContainer,
+        common::{OverlayContainer, OverlaySelector},
         input::{self, InteractionHandler},
         overlay::{
             ui_transform, OverlayData, OverlayID, OverlayRenderer, OverlayState,
             SplitOverlayBackend,
         },
+        task::TaskType,
         wayvr::{self, display, WayVR},
     },
     graphics::WlxGraphics,
@@ -213,8 +214,27 @@ pub fn tick_events<O>(app: &mut AppState, overlays: &mut OverlayContainer<O>) ->
 where
     O: Default,
 {
-    if let Some(wayvr) = app.wayvr.clone() {
-        let res = wayvr.borrow_mut().state.tick_events()?;
+    if let Some(r_wayvr) = app.wayvr.clone() {
+        let mut wayvr = r_wayvr.borrow_mut();
+        while let Some(signal) = wayvr.state.signals.read() {
+            match signal {
+                wayvr::WayVRSignal::DisplayHideRequest(display_handle) => {
+                    if let Some(overlay_id) = wayvr.display_handle_map.get(&display_handle) {
+                        let overlay_id = *overlay_id;
+                        wayvr.state.set_display_visible(display_handle, false);
+                        app.tasks.enqueue(TaskType::Overlay(
+                            OverlaySelector::Id(overlay_id),
+                            Box::new(move |_app, o| {
+                                o.want_visible = false;
+                            }),
+                        ));
+                    }
+                }
+            }
+        }
+
+        let res = wayvr.state.tick_events()?;
+        drop(wayvr);
 
         for result in res {
             match result {
@@ -232,7 +252,7 @@ where
                     };
 
                     if let Some(disp_name) = disp_name {
-                        let mut wayvr = wayvr.borrow_mut();
+                        let mut wayvr = r_wayvr.borrow_mut();
 
                         log::info!("Registering external process with PID {}", req.pid);
 

src/res/wayvr.yaml

@@ -9,6 +9,19 @@ version: 1
 # (used for remote starting external processes)
 run_compositor_at_start: false 
 
+# Automatically close overlays with zero window count?
+auto_hide: true
+
+# For how long an overlay should be visible in case if there are no windows present? (in milliseconds, auto_hide needs to be enabled)
+# This value shouldn't be set at 0, because some programs could re-initialize a window during startup (splash screens for example)
+auto_hide_delay: 750
+
+# In milliseconds
+keyboard_repeat_delay: 200
+
+# Chars per second
+keyboard_repeat_rate: 50
+
 displays:
   Watch:
     width: 400

src/state.rs

@@ -127,7 +127,7 @@ impl AppState {
             Ok(wvr.clone())
         } else {
             let wayvr = Rc::new(RefCell::new(WayVRState::new(
-                WayVRConfig::get_wayvr_config(&self.session.config),
+                WayVRConfig::get_wayvr_config(&self.session.config, &self.session.wayvr_config),
             )?));
             self.wayvr = Some(wayvr.clone());
             Ok(wayvr)