Failure to detect sans-serif font #1240
Comments
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Interesting! In this environment, what do you get as output when you run |
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I also tried copying a font into '~/.local/share/fonts` and cleaning the cache, but that did not help. |
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Darn, that looks correct. Would it be possible for you to share your nix config in a way that I could try to reproduce this? |
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I think I know what the issue might be. We do find the font that aliases sans-serif, but the fontdb implementation fails to locate the files. |
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Could you try this patch? diff --git a/internal/backends/gl/Cargo.toml b/internal/backends/gl/Cargo.toml
index 93f941e2f..f9842412a 100644
--- a/internal/backends/gl/Cargo.toml
+++ b/internal/backends/gl/Cargo.toml
@@ -60,7 +60,7 @@ web-sys = { version = "0.3", features=["console", "WebGlContextAttributes", "Can
wasm-bindgen = { version = "0.2" }
[target.'cfg(not(target_arch = "wasm32"))'.dependencies]
-fontdb = { version = "0.9.0", features = ["memmap"] }
+fontdb = { version = "0.9.0", features = ["memmap", "fontconfig"] }
glutin = { version = "0.28", default-features = false }
usvg = { version= "0.22", optional = true, default-features = false, features = ["text", "memmap-fonts"] }
diff --git a/internal/compiler/Cargo.toml b/internal/compiler/Cargo.toml
index 27237c94c..f908a05a1 100644
--- a/internal/compiler/Cargo.toml
+++ b/internal/compiler/Cargo.toml
@@ -49,7 +49,7 @@ once_cell = "1"
url = "2.2.1"
dunce = "1.0.1"
linked_hash_set = "0.1.4"
-fontdb = { version = "0.9.0" }
+fontdb = { version = "0.9.0", features = ["fontconfig"] }
fontdue = { version = "0.7.1" }
# for processing and embedding the rendered image (texture) |
Yes, that did indeed do the trick. |
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As a point of reference, here is the Maybe it will help out others (and could be included somewhere in the docs). {
description = "app";
inputs = {
flakeutils.url = "github:numtide/flake-utils";
};
outputs = { self, nixpkgs, flakeutils }:
flakeutils.lib.eachDefaultSystem (system:
let
NAME = "app";
VERSION = "0.1";
pkgs = import nixpkgs {
inherit system;
};
in
rec {
packages.${NAME} = pkgs.stdenv.mkDerivation {
pname = NAME;
version = VERSION;
buildPhase = "echo 'no-build'";
};
defaultPackage = packages.${NAME};
# For `nix run`.
apps.${NAME} = flakeutils.lib.mkApp {
drv = packages.${NAME};
};
defaultApp = apps.${NAME};
devShell = pkgs.stdenv.mkDerivation {
name = NAME;
src = self;
buildInputs = with pkgs; [
pkgconfig
cmake
xorg.libxcb
xorg.libXfixes
libxkbcommon
fontconfig
wayland
libGL
# egl-wayland
];
runtimeDependencies = with pkgs; [ ];
shellHook = ''
export LD_LIBRARY_PATH="$LD_LIBRARY_PATH:${pkgs.lib.makeLibraryPath (with pkgs; [
xorg.libxcb
xorg.libXfixes
libxkbcommon
fontconfig
wayland
libGL
])}";
'';
};
}
);
} |
…nments Enable fontdb's fontconfig feature to parse fontconfig files to locate the directories where truetype fonts are located. This helps in system setups that differ from the defaults that fontdb uses otherwise. Fixes #1240
…nments Enable fontdb's fontconfig feature to parse fontconfig files to locate the directories where truetype fonts are located. This helps in system setups that differ from the defaults that fontdb uses otherwise. Fixes #1240
Thanks for checking! |
Slint apparently fails to detect fonts on my system, even though there are definitely
sans-seriffonts installed.Error:
thread 'main' panicked at 'there must be a sans-serif font face registered', /home/theduke/.local/share/cargo/registry/src/github.com-1ecc6299db9ec823/i-slint-backend-gl-0.2.2/fonts.rs:273:14Backtrace
Finished dev [unoptimized + debuginfo] target(s) in 0.15s Running `target/debug/sysman` thread 'main' panicked at 'Failed to initialize any backend! Wayland status: NoWaylandLib X11 status: LibraryOpenError(OpenError { kind: Library, detail: "opening library failed (libX11.so.6: cannot open shared object file: No such file or directory); opening library failed (libX11.so: cannot open shared object file: No such file or directory)" })', /home/theduke/.local/share/cargo/registry/src/github.com-1ecc6299db9ec823/winit-0.26.1/src/platform_impl/linux/mod.rs:619:9 stack backtrace: 0: rust_begin_unwind at /rustc/e1b71feb592ba64805689e2b15b9fa570182c442/library/std/src/panicking.rs:584:5 1: core::panicking::panic_fmt at /rustc/e1b71feb592ba64805689e2b15b9fa570182c442/library/core/src/panicking.rs:142:14 2: winit::platform_impl::platform::EventLoop::new_any_thread at /home/theduke/.local/share/cargo/registry/src/github.com-1ecc6299db9ec823/winit-0.26.1/src/platform_impl/linux/mod.rs:619:9 3: winit::platform_impl::platform::EventLoop::new at /home/theduke/.local/share/cargo/registry/src/github.com-1ecc6299db9ec823/winit-0.26.1/src/platform_impl/linux/mod.rs:574:9 4: winit::event_loop::EventLoop::with_user_event at /home/theduke/.local/share/cargo/registry/src/github.com-1ecc6299db9ec823/winit-0.26.1/src/event_loop.rs:134:25 5: i_slint_backend_gl::event_loop::NotRunningEventLoop::new at /home/theduke/.local/share/cargo/registry/src/github.com-1ecc6299db9ec823/i-slint-backend-gl-0.2.2/event_loop.rs:163:24 6: i_slint_backend_gl::event_loop::MAYBE_LOOP_INSTANCE::__init at /home/theduke/.local/share/cargo/registry/src/github.com-1ecc6299db9ec823/i-slint-backend-gl-0.2.2/event_loop.rs:201:90 7: i_slint_backend_gl::event_loop::MAYBE_LOOP_INSTANCE::__getit::{{closure}} at /rustc/e1b71feb592ba64805689e2b15b9fa570182c442/library/std/src/thread/local.rs:353:25 8: std::thread::local::lazy::LazyKeyInner::initialize at /rustc/e1b71feb592ba64805689e2b15b9fa570182c442/library/std/src/thread/local.rs:809:25 9: std::thread::local::fast::Key::try_initialize at /rustc/e1b71feb592ba64805689e2b15b9fa570182c442/library/std/src/thread/local.rs:987:31 10: std::thread::local::fast::Key::get at /rustc/e1b71feb592ba64805689e2b15b9fa570182c442/library/std/src/thread/local.rs:970:29 11: i_slint_backend_gl::event_loop::MAYBE_LOOP_INSTANCE::__getit at /rustc/e1b71feb592ba64805689e2b15b9fa570182c442/library/std/src/thread/local.rs:345:21 12: std::thread::local::LocalKey::try_with at /rustc/e1b71feb592ba64805689e2b15b9fa570182c442/library/std/src/thread/local.rs:444:32 13: std::thread::local::LocalKey::with at /rustc/e1b71feb592ba64805689e2b15b9fa570182c442/library/std/src/thread/local.rs:421:9 14: i_slint_backend_gl::event_loop::with_window_target at /home/theduke/.local/share/cargo/registry/src/github.com-1ecc6299db9ec823/i-slint-backend-gl-0.2.2/event_loop.rs:254:9 15: i_slint_backend_gl::glcontext::OpenGLContext::new_context_and_renderer at /home/theduke/.local/share/cargo/registry/src/github.com-1ecc6299db9ec823/i-slint-backend-gl-0.2.2/glcontext.rs:108:36 16: ::show at /home/theduke/.local/share/cargo/registry/src/github.com-1ecc6299db9ec823/i-slint-backend-gl-0.2.2/glwindow.rs:459:13 17: i_slint_core::window::Window::show at /home/theduke/.local/share/cargo/registry/src/github.com-1ecc6299db9ec823/i-slint-core-0.2.2/window.rs:529:9 18: i_slint_core::api::Window::show at /home/theduke/.local/share/cargo/registry/src/github.com-1ecc6299db9ec823/i-slint-core-0.2.2/api.rs:122:9 19: ::show at ./src/main.rs:5:1 20: ::run at ./src/main.rs:5:1 21: sysman::main at ./src/main.rs:2:5 22: core::ops::function::FnOnce::call_once at /rustc/e1b71feb592ba64805689e2b15b9fa570182c442/library/core/src/ops/function.rs:248:5 note: Some details are omitted, run with `RUST_BACKTRACE=full` for a verbose backtrace.I have a custom fontconfig at
~/.config/fontconfig/conf.d/10-hm-fonts.conf.Maybe
servo-fontconfigfails to parse that?Environment
Linux / NixOS
(WM: Sway / Wayland)
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