Replace config transform with ipc

niri-config/src/lib.rs

@@ -10,7 +10,7 @@ use std::time::Duration;
 use bitflags::bitflags;
 use knuffel::errors::DecodeError;
 use miette::{miette, Context, IntoDiagnostic, NarratableReportHandler};
-use niri_ipc::{LayoutSwitchTarget, SizeChange};
+use niri_ipc::{LayoutSwitchTarget, SizeChange, Transform};
 use regex::Regex;
 use smithay::input::keyboard::keysyms::KEY_NoSymbol;
 use smithay::input::keyboard::xkb::{keysym_from_name, KEYSYM_CASE_INSENSITIVE};
@@ -265,55 +265,6 @@ impl Default for Output {
     }
 }
 
-/// Output transform, which goes counter-clockwise.
-#[derive(Debug, Clone, Copy, PartialEq, Eq)]
-pub enum Transform {
-    Normal,
-    _90,
-    _180,
-    _270,
-    Flipped,
-    Flipped90,
-    Flipped180,
-    Flipped270,
-}
-
-impl FromStr for Transform {
-    type Err = miette::Error;
-
-    fn from_str(s: &str) -> Result<Self, Self::Err> {
-        match s {
-            "normal" => Ok(Self::Normal),
-            "90" => Ok(Self::_90),
-            "180" => Ok(Self::_180),
-            "270" => Ok(Self::_270),
-            "flipped" => Ok(Self::Flipped),
-            "flipped-90" => Ok(Self::Flipped90),
-            "flipped-180" => Ok(Self::Flipped180),
-            "flipped-270" => Ok(Self::Flipped270),
-            _ => Err(miette!(concat!(
-                r#"invalid transform, can be "90", "180", "270", "#,
-                r#""flipped", "flipped-90", "flipped-180" or "flipped-270""#
-            ))),
-        }
-    }
-}
-
-impl From<Transform> for smithay::utils::Transform {
-    fn from(value: Transform) -> Self {
-        match value {
-            Transform::Normal => Self::Normal,
-            Transform::_90 => Self::_90,
-            Transform::_180 => Self::_180,
-            Transform::_270 => Self::_270,
-            Transform::Flipped => Self::Flipped,
-            Transform::Flipped90 => Self::Flipped90,
-            Transform::Flipped180 => Self::Flipped180,
-            Transform::Flipped270 => Self::Flipped270,
-        }
-    }
-}
-
 #[derive(knuffel::Decode, Debug, Clone, Copy, PartialEq, Eq)]
 pub struct Position {
     #[knuffel(property)]

niri-ipc/src/lib.rs

@@ -359,3 +359,24 @@ impl FromStr for LayoutSwitchTarget {
         }
     }
 }
+
+impl FromStr for Transform {
+    type Err = &'static str;
+
+    fn from_str(s: &str) -> Result<Self, Self::Err> {
+        match s {
+            "normal" => Ok(Self::Normal),
+            "90" => Ok(Self::_90),
+            "180" => Ok(Self::_180),
+            "270" => Ok(Self::_270),
+            "flipped" => Ok(Self::Flipped),
+            "flipped-90" => Ok(Self::Flipped90),
+            "flipped-180" => Ok(Self::Flipped180),
+            "flipped-270" => Ok(Self::Flipped270),
+            _ => Err(concat!(
+                r#"invalid transform, can be "90", "180", "270", "#,
+                r#""flipped", "flipped-90", "flipped-180" or "flipped-270""#
+            )),
+        }
+    }
+}

src/niri.rs

@@ -115,8 +115,8 @@ use crate::ui::hotkey_overlay::HotkeyOverlay;
 use crate::ui::screenshot_ui::{ScreenshotUi, ScreenshotUiRenderElement};
 use crate::utils::spawning::CHILD_ENV;
 use crate::utils::{
-    center, center_f64, get_monotonic_time, logical_output, make_screenshot_path, output_size,
-    write_png_rgba8,
+    center, center_f64, get_monotonic_time, ipc_transform_to_smithay, logical_output,
+    make_screenshot_path, output_size, write_png_rgba8,
 };
 use crate::window::{InitialConfigureState, Mapped, ResolvedWindowRules, Unmapped, WindowRef};
 use crate::{animation, niri_render_elements};
@@ -903,7 +903,7 @@ impl State {
                 let scale = scale.clamp(1., 10.).ceil() as i32;
 
                 let mut transform = config
-                    .map(|c| c.transform.into())
+                    .map(|c| ipc_transform_to_smithay(c.transform))
                     .unwrap_or(Transform::Normal);
                 // FIXME: fix winit damage on other transforms.
                 if name == "winit" {
@@ -1543,7 +1543,9 @@ impl Niri {
         let c = config.outputs.iter().find(|o| o.name == name);
         let scale = c.map(|c| c.scale).unwrap_or(1.);
         let scale = scale.clamp(1., 10.).ceil() as i32;
-        let mut transform = c.map(|c| c.transform.into()).unwrap_or(Transform::Normal);
+        let mut transform = c
+            .map(|c| ipc_transform_to_smithay(c.transform))
+            .unwrap_or(Transform::Normal);
         // FIXME: fix winit damage on other transforms.
         if name == "winit" {
             transform = Transform::Flipped180;

src/utils/mod.rs

@@ -74,6 +74,19 @@ pub fn logical_output(output: &Output) -> niri_ipc::LogicalOutput {
     }
 }
 
+pub fn ipc_transform_to_smithay(transform: niri_ipc::Transform) -> Transform {
+    match transform {
+        niri_ipc::Transform::Normal => Transform::Normal,
+        niri_ipc::Transform::_90 => Transform::_90,
+        niri_ipc::Transform::_180 => Transform::_180,
+        niri_ipc::Transform::_270 => Transform::_270,
+        niri_ipc::Transform::Flipped => Transform::Flipped,
+        niri_ipc::Transform::Flipped90 => Transform::Flipped90,
+        niri_ipc::Transform::Flipped180 => Transform::Flipped180,
+        niri_ipc::Transform::Flipped270 => Transform::Flipped270,
+    }
+}
+
 pub fn expand_home(path: &Path) -> anyhow::Result<Option<PathBuf>> {
     if let Ok(rest) = path.strip_prefix("~") {
         let dirs = UserDirs::new().context("error retrieving home directory")?;