fix(cli): add monitor-information command

This commit adds a new monitor-information command to make it easier for
people to find the values they need to use the display_index_preferences
configuration option.

re #860

Cargo.lock

@@ -2408,6 +2408,7 @@ dependencies = [
  "thiserror",
  "uds_windows",
  "which",
+ "win32-display-data",
  "windows 0.54.0",
 ]
 
@@ -3819,9 +3820,9 @@ dependencies = [
 
 [[package]]
 name = "serde_json_lenient"
-version = "0.1.8"
+version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dc61c66b53a4035fcce237ef38043f4b2f0ebf918fd0e69541a5166104065581"
+checksum = "a5d0bae483150302560d7cb52e7932f39b69a6fbdd099e48d33ef060a8c9c078"
 dependencies = [
  "itoa",
  "ryu",

Cargo.toml

@@ -11,15 +11,16 @@ members = [
 ]
 
 [workspace.dependencies]
-windows-interface = { version = "0.53" }
-windows-implement = { version = "0.53" }
-dunce = "1"
-dirs = "5"
 color-eyre = "0.6"
-serde_json = { package = "serde_json_lenient", version = "0.1" }
-sysinfo = "0.30"
+dirs = "5"
+dunce = "1"
 serde = { version = "1", features = ["derive"] }
+serde_json = { package = "serde_json_lenient", version = "0.2" }
+sysinfo = "0.30"
 uds_windows = "1"
+win32-display-data = { git = "https://github.com/LGUG2Z/win32-display-data", rev = "2a0f7166da154880a1750b91829b1186d9c6a00c" }
+windows-implement = { version = "0.53" }
+windows-interface = { version = "0.53" }
 
 [workspace.dependencies.windows]
 version = "0.54"

komorebi-core/src/lib.rs

@@ -168,6 +168,7 @@ pub enum SocketMessage {
     State,
     GlobalState,
     VisibleWindows,
+    MonitorInformation,
     Query(StateQuery),
     FocusFollowsMouse(FocusFollowsMouseImplementation, bool),
     ToggleFocusFollowsMouse(FocusFollowsMouseImplementation),

komorebi/Cargo.toml

@@ -42,13 +42,12 @@ tracing-subscriber = { version = "0.3", features = ["env-filter"] }
 uds_windows = "1"
 which = "6"
 widestring = "1"
+win32-display-data = { workspace = true }
 windows = { workspace = true }
 windows-implement = { workspace = true }
 windows-interface = { workspace = true }
 winput = "0.2"
 winreg = "0.52"
 
-win32-display-data = { git = "https://github.com/LGUG2Z/win32-display-data", rev = "2a0f7166da154880a1750b91829b1186d9c6a00c" }
-
 [features]
 deadlock_detection = ["parking_lot/deadlock_detection"]

komorebi/src/process_command.rs

@@ -797,15 +797,22 @@ impl WindowManager {
                     }
                 }
 
-                let visible_windows_state =
-                    match serde_json::to_string_pretty(&monitor_visible_windows) {
-                        Ok(state) => state,
-                        Err(error) => error.to_string(),
-                    };
+                let visible_windows_state = serde_json::to_string_pretty(&monitor_visible_windows)
+                    .unwrap_or_else(|error| error.to_string());
 
                 reply.write_all(visible_windows_state.as_bytes())?;
             }
+            SocketMessage::MonitorInformation => {
+                let mut monitors = HashMap::new();
+                for monitor in self.monitors() {
+                    monitors.insert(monitor.device_id(), monitor.size());
+                }
 
+                let monitors_state = serde_json::to_string_pretty(&monitors)
+                    .unwrap_or_else(|error| error.to_string());
+
+                reply.write_all(monitors_state.as_bytes())?;
+            }
             SocketMessage::Query(query) => {
                 let response = match query {
                     StateQuery::FocusedMonitorIndex => self.focused_monitor_idx(),

komorebic/Cargo.toml

@@ -32,6 +32,7 @@ sysinfo = { workspace = true }
 thiserror = "1"
 uds_windows = "1"
 which = "6"
+win32-display-data = { workspace = true }
 windows = { workspace = true }
 
 [build-dependencies]

komorebic/src/main.rs

@@ -834,6 +834,9 @@ enum SubCommand {
     Gui,
     /// Show a JSON representation of visible windows
     VisibleWindows,
+    /// Show information about connected monitors
+    #[clap(alias = "monitor-info")]
+    MonitorInformation,
     /// Query the current window manager state
     #[clap(arg_required_else_help = true)]
     Query(Query),
@@ -2144,6 +2147,9 @@ Stop-Process -Name:komorebi -ErrorAction SilentlyContinue
         SubCommand::VisibleWindows => {
             print_query(&SocketMessage::VisibleWindows.as_bytes()?);
         }
+        SubCommand::MonitorInformation => {
+            print_query(&SocketMessage::MonitorInformation.as_bytes()?);
+        }
         SubCommand::Query(arg) => {
             print_query(&SocketMessage::Query(arg.state_query).as_bytes()?);
         }