From 8d443c2e841505dd9a09d50dbb24a2a5956ecbd7 Mon Sep 17 00:00:00 2001
From: Ivan Molodetskikh <yalterz@gmail.com>
Date: Sun, 1 Oct 2023 07:59:28 +0400
Subject: Make default cursor respect output scale

First part of https://github.com/YaLTeR/niri/issues/16
---
 src/utils.rs | 74 +++---------------------------------------------------------
 1 file changed, 3 insertions(+), 71 deletions(-)

(limited to 'src/utils.rs')

diff --git a/src/utils.rs b/src/utils.rs
index f1aca8b2..7113bc92 100644
--- a/src/utils.rs
+++ b/src/utils.rs
@@ -1,24 +1,15 @@
 use std::ffi::OsStr;
-use std::fs::File;
-use std::io::{self, Read};
+use std::io;
 use std::os::unix::process::CommandExt;
 use std::path::PathBuf;
 use std::process::{Command, Stdio};
 use std::time::Duration;
 
-use anyhow::{anyhow, Context};
+use anyhow::Context;
 use directories::UserDirs;
 use nix::time::{clock_gettime, ClockId};
-use smithay::backend::allocator::Fourcc;
-use smithay::backend::renderer::element::texture::TextureBuffer;
-use smithay::backend::renderer::gles::{GlesRenderer, GlesTexture};
-use smithay::utils::{Logical, Physical, Point, Rectangle, Transform};
+use smithay::utils::{Logical, Point, Rectangle};
 use time::OffsetDateTime;
-use xcursor::parser::parse_xcursor;
-use xcursor::CursorTheme;
-
-const CURSOR_SIZE: u32 = 24;
-static FALLBACK_CURSOR_DATA: &[u8] = include_bytes!("../resources/cursor.rgba");
 
 pub fn get_monotonic_time() -> Duration {
     Duration::from(clock_gettime(ClockId::CLOCK_MONOTONIC).unwrap())
@@ -28,65 +19,6 @@ pub fn center(rect: Rectangle<i32, Logical>) -> Point<i32, Logical> {
     rect.loc + rect.size.downscale(2).to_point()
 }
 
-fn load_xcursor() -> anyhow::Result<xcursor::parser::Image> {
-    let theme = CursorTheme::load("default");
-    let path = theme
-        .load_icon("default")
-        .ok_or_else(|| anyhow!("no default icon"))?;
-    let mut file = File::open(path).context("error opening cursor icon file")?;
-    let mut buf = vec![];
-    file.read_to_end(&mut buf)
-        .context("error reading cursor icon file")?;
-    let images = parse_xcursor(&buf).context("error parsing cursor icon file")?;
-
-    let nearest_image = images
-        .iter()
-        .min_by_key(|image| (CURSOR_SIZE as i32 - image.size as i32).abs())
-        .unwrap();
-    let frame = images
-        .iter()
-        .find(move |image| {
-            image.width == nearest_image.width && image.height == nearest_image.height
-        })
-        .unwrap();
-    Ok(frame.clone())
-}
-
-pub fn load_default_cursor(
-    renderer: &mut GlesRenderer,
-) -> (TextureBuffer<GlesTexture>, Point<i32, Physical>) {
-    let frame = match load_xcursor() {
-        Ok(frame) => frame,
-        Err(err) => {
-            warn!("error loading xcursor default cursor: {err:?}");
-
-            xcursor::parser::Image {
-                size: 32,
-                width: 64,
-                height: 64,
-                xhot: 1,
-                yhot: 1,
-                delay: 1,
-                pixels_rgba: Vec::from(FALLBACK_CURSOR_DATA),
-                pixels_argb: vec![],
-            }
-        }
-    };
-
-    let texture = TextureBuffer::from_memory(
-        renderer,
-        &frame.pixels_rgba,
-        Fourcc::Abgr8888,
-        (frame.width as i32, frame.height as i32),
-        false,
-        1,
-        Transform::Normal,
-        None,
-    )
-    .unwrap();
-    (texture, (frame.xhot as i32, frame.yhot as i32).into())
-}
-
 pub fn make_screenshot_path() -> anyhow::Result<PathBuf> {
     let dirs = UserDirs::new().context("error retrieving home directory")?;
     let mut path = dirs.picture_dir().map(|p| p.to_owned()).unwrap_or_else(|| {
-- 
cgit