(window-scale) example "windows-scale" is getting an error. It doesn't work on Mac, it doesn't work on Linux.

[YoungHaKim7]

• Test File

  • https://github.com/YoungHaKim7/rust_GUI_floem_Training/tree/main/Tutorial_Floem/window-scale

• RUST_BACKTRACE=1 cargo run

  RUST_BACKTRACE=1 cargo r
  Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.08s
   Running `target/debug/window-scale`
  thread 'main' panicked at /home/g111/.cargo/git/checkouts/floem-69eea0a757d1e3ee/4510c4b/src/context.rs:1263:17:
  Tried to access renderer before it was initialized
  stack backtrace:
  0: rust_begin_unwind
           at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/panicking.rs:665:5
  1: core::panicking::panic_fmt
           at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/core/src/panicking.rs:74:14
  2: floem::context::PaintState::renderer_mut
           at /home/gy/.cargo/git/checkouts/floem-69eea0a757d1e3ee/4510c4b/src/context.rs:1263:17
  3: floem::context::PaintState::set_scale
           at /home/gy/.cargo/git/checkouts/floem-69eea0a757d1e3ee/4510c4b/src/context.rs:1274:9
  4: floem::window_handle::WindowHandle::process_update_messages
           at /home/gy/.cargo/git/checkouts/floem-69eea0a757d1e3ee/4510c4b/src/window_handle.rs:922:25
  5: floem::window_handle::WindowHandle::process_update_no_paint
           at /home/gy/.cargo/git/checkouts/floem-69eea0a757d1e3ee/4510c4b/src/window_handle.rs:717:13
  6: floem::window_handle::WindowHandle::process_update
           at /home/gy/.cargo/git/checkouts/floem-69eea0a757d1e3ee/4510c4b/src/window_handle.rs:707:12
  7: floem::app_handle::ApplicationHandle::handle_updates_for_all_windows
           at /home/gy/.cargo/git/checkouts/floem-69eea0a757d1e3ee/4510c4b/src/app_handle.rs:466:13
  8: floem::app_handle::ApplicationHandle::idle
           at /home/gy/.cargo/git/checkouts/floem-69eea0a757d1e3ee/4510c4b/src/app_handle.rs:461:9
  9: floem::app::Application::run
           at /home/gy/.cargo/git/checkouts/floem-69eea0a757d1e3ee/4510c4b/src/app.rs:144:9
  10: floem::app::launch
           at /home/gy/.cargo/git/checkouts/floem-69eea0a757d1e3ee/4510c4b/src/app.rs:32:5
  11: window_scale::main
           at ./src/main.rs:5:5
  12: core::ops::function::FnOnce::call_once
           at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/core/src/ops/function.rs:250:5
  note: Some details are omitted, run with `RUST_BACKTRACE=full` for a verbose backtrace.

• RUST_BACKTRACE=full cargo run

  RUST_BACKTRACE=full cargo r
  Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.08s
   Running `target/debug/window-scale`
  thread 'main' panicked at /home/g111/.cargo/git/checkouts/floem-69eea0a757d1e3ee/4510c4b/src/context.rs:1263:17:
  Tried to access renderer before it was initialized
  stack backtrace:
  0:     0x56fe7afa5bf5 - std::backtrace_rs::backtrace::libunwind::trace::h649ab3318d3445c5
                             at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5
  1:     0x56fe7afa5bf5 - std::backtrace_rs::backtrace::trace_unsynchronized::hf4bb60c3387150c3
                             at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
  2:     0x56fe7afa5bf5 - std::sys::backtrace::_print_fmt::hd9186c800e44bd00
                             at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/sys/backtrace.rs:65:5
  3:     0x56fe7afa5bf5 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h1b9dad2a88e955ff
                             at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/sys/backtrace.rs:40:26
  4:     0x56fe7afd02cb - core::fmt::rt::Argument::fmt::h351a7824f737a6a0
                             at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/core/src/fmt/rt.rs:173:76
  5:     0x56fe7afd02cb - core::fmt::write::h4b5a1270214bc4a7
                             at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/core/src/fmt/mod.rs:1182:21
  6:     0x56fe7afa24df - std::io::Write::write_fmt::hd04af345a50c312d
                             at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/io/mod.rs:1827:15
  7:     0x56fe7afa6ef1 - std::sys::backtrace::BacktraceLock::print::h68d41b51481bce5c
                             at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/sys/backtrace.rs:43:9
  8:     0x56fe7afa6ef1 - std::panicking::default_hook::{{closure}}::h96ab15e9936be7ed
                             at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/panicking.rs:269:22
  9:     0x56fe7afa6bcc - std::panicking::default_hook::h3cacb9c27561ad33
                             at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/panicking.rs:296:9
  10:     0x56fe7afa7551 - std::panicking::rust_panic_with_hook::hfe205f6954b2c97b
                             at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/panicking.rs:800:13
  11:     0x56fe7afa7383 - std::panicking::begin_panic_handler::{{closure}}::h6cb44b3a50f28c44
                             at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/panicking.rs:667:13
  12:     0x56fe7afa60b9 - std::sys::backtrace::__rust_end_short_backtrace::hf1c1f2a92799bb0e
                             at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/sys/backtrace.rs:168:18
  13:     0x56fe7afa7044 - rust_begin_unwind
                             at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/panicking.rs:665:5
  14:     0x56fe790cc953 - core::panicking::panic_fmt::h3d8fc78294164da7
                             at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/core/src/panicking.rs:74:14
  15:     0x56fe792c3fd2 - floem::context::PaintState::renderer_mut::h5080ad2dbb7dcc71
                             at /home/gy/.cargo/git/checkouts/floem-69eea0a757d1e3ee/4510c4b/src/context.rs:1263:17
  16:     0x56fe792c406a - floem::context::PaintState::set_scale::hd20a9de556265f25
                             at /home/gy/.cargo/git/checkouts/floem-69eea0a757d1e3ee/4510c4b/src/context.rs:1274:9
  17:     0x56fe79590b18 - floem::window_handle::WindowHandle::process_update_messages::h4bcbc98a1886cfc0
                             at /home/gy/.cargo/git/checkouts/floem-69eea0a757d1e3ee/4510c4b/src/window_handle.rs:922:25
  18:     0x56fe7958f1ab - floem::window_handle::WindowHandle::process_update_no_paint::h4554d22689804218
                             at /home/gy/.cargo/git/checkouts/floem-69eea0a757d1e3ee/4510c4b/src/window_handle.rs:717:13
  19:     0x56fe7958f173 - floem::window_handle::WindowHandle::process_update::he7e7ec7b93b9f0c9
                             at /home/gy/.cargo/git/checkouts/floem-69eea0a757d1e3ee/4510c4b/src/window_handle.rs:707:12
  20:     0x56fe7934272a - floem::app_handle::ApplicationHandle::handle_updates_for_all_windows::h7f0e5cc97f326ba3
                             at /home/gy/.cargo/git/checkouts/floem-69eea0a757d1e3ee/4510c4b/src/app_handle.rs:466:13
  21:     0x56fe7934263b - floem::app_handle::ApplicationHandle::idle::h9878ee5c5e611c0e
                             at /home/gy/.cargo/git/checkouts/floem-69eea0a757d1e3ee/4510c4b/src/app_handle.rs:461:9
  22:     0x56fe7936117a - floem::app::Application::run::heaa5835eb117c884
                             at /home/gy/.cargo/git/checkouts/floem-69eea0a757d1e3ee/4510c4b/src/app.rs:144:9
  23:     0x56fe790eda86 - floem::app::launch::h0b64369495f93c33
                             at /home/gy/.cargo/git/checkouts/floem-69eea0a757d1e3ee/4510c4b/src/app.rs:32:5
  24:     0x56fe790edd76 - window_scale::main::h3738757a8ff8c8ac
                             at /home/gy/my_project/Rust_Lang/111/1111_bevy_avian/Rust_Lang/rust_GUI_floem_Training/Tutorial_Floem/window-scale/src/main.rs:5:5
  25:     0x56fe790d04fb - core::ops::function::FnOnce::call_once::hd6f5822afaeceb78
                             at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/core/src/ops/function.rs:250:5
  26:     0x56fe790cfc6e - std::sys::backtrace::__rust_begin_short_backtrace::hbcbaeae4e1cb9c56
                             at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/sys/backtrace.rs:152:18
  27:     0x56fe790e2c01 - std::rt::lang_start::{{closure}}::h7630688ed2ee96f7
                             at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/rt.rs:162:18
  28:     0x56fe7af9a990 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h2feec6363bd28ad6
                             at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/core/src/ops/function.rs:284:13
  29:     0x56fe7af9a990 - std::panicking::try::do_call::h71b24ad3a8e797d5
                             at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/panicking.rs:557:40
  30:     0x56fe7af9a990 - std::panicking::try::h8412d1bfb4bcbcc1
                             at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/panicking.rs:521:19
  31:     0x56fe7af9a990 - std::panic::catch_unwind::h2053d3ee5bd8db53
                             at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/panic.rs:350:14
  32:     0x56fe7af9a990 - std::rt::lang_start_internal::{{closure}}::h82eb98fe4f8e75b8
                             at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/rt.rs:141:48
  33:     0x56fe7af9a990 - std::panicking::try::do_call::h793dba66a0bbd3de
                             at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/panicking.rs:557:40
  34:     0x56fe7af9a990 - std::panicking::try::he09b629b3ba06846
                             at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/panicking.rs:521:19
  35:     0x56fe7af9a990 - std::panic::catch_unwind::h7964c913fc871155
                             at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/panic.rs:350:14
  36:     0x56fe7af9a990 - std::rt::lang_start_internal::h5e7c81cecd7f0954
                             at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/rt.rs:141:20
  37:     0x56fe790e2bda - std::rt::lang_start::h977f8664f9420d1b
                             at /rustc/eeb90cda1969383f56a2637cbd3037bdf598841c/library/std/src/rt.rs:161:17
  38:     0x56fe790edd9e - main
  39:     0x7e6beb22a1ca - __libc_start_call_main
                             at ./csu/../sysdeps/nptl/libc_start_call_main.h:58:16
  40:     0x7e6beb22a28b - __libc_start_main_impl
                             at ./csu/../csu/libc-start.c:360:3
  41:     0x56fe790cd4e5 - _start
  42:                0x0 - <unknown>

• The test environment

  
  $ rustc --version --verbose
  rustc 1.81.0 (eeb90cda1 2024-09-04)
  binary: rustc
  commit-hash: eeb90cda1969383f56a2637cbd3037bdf598841c
  commit-date: 2024-09-04
  host: x86_64-unknown-linux-gnu
  release: 1.81.0
  LLVM version: 18.1.7

$ bat /etc/*release ─────────────── │ File: /etc/lsb-release ─────────────── 1 │ DISTRIB_ID=Ubuntu 2 │ DISTRIB_RELEASE=24.04 3 │ DISTRIB_CODENAME=noble 4 │ DISTRIB_DESCRIPTION="Ubuntu 24.04.1 LTS" ───────┴────────────────── │ File: /etc/os-release ───────┼────────────────── 1 │ PRETTY_NAME="Ubuntu 24.04.1 LTS" 2 │ NAME="Ubuntu" 3 │ VERSION_ID="24.04" 4 │ VERSION="24.04.1 LTS (Noble Numbat)" 5 │ VERSION_CODENAME=noble 6 │ ID=ubuntu 7 │ ID_LIKE=debian 8 │ HOME_URL="https://www.ubuntu.com/" 9 │ SUPPORT_URL="https://help.ubuntu.com/" 10 │ BUG_REPORT_URL="https://bugs.launchpad.net/ubuntu/" 11 │ PRIVACY_POLICY_URL="https://www.ubuntu.com/legal/terms-and-policies/privacy-policy" 12 │ UBUNTU_CODENAME=noble 13 │ LOGO=ubuntu-logo

[jrmoulton]

608 would fix this

[jrmoulton]

@YoungHaKim7 #608 was merged. Can you test to see if you still are experiencing the same issue?

[YoungHaKim7]

• macOS (M1)
  • It works fine, thank you.

 OS: macOS Sequoia 15.0.1 arm64
 Host: MacBook Pro (14-inch, 2021)
 Kernel: Darwin 24.0.0
 Uptime: 3 hours, 21 mins
 Packages: 129 (brew), 11 (brew-cask)
 Shell: sh
 Display (U34G3XM): 3440x1440 @ 60 Hz in 34" [External] *
 Display (Color LCD): 3024x1964 @ 60 Hz (as 1512x982) in 14" [Built-in]
 DE: Aqua
 WM: Quartz Compositor
 WM Theme: Multicolor (Light)
 Font: .AppleSystemUIFont [System], Helvetica [User]
 Cursor: Fill - Black, Outline - White (32px)
 Terminal: alacritty 0.13.2
 Terminal Font: Hack Nerd Font (34.0pt)
 CPU: Apple M1 Pro (8) @ 3.23 GHz
 GPU: Apple M1 Pro (14) @ 1.30 GHz [Integrated]
 Memory: 9.33 GiB / 16.00 GiB (58%)
 Swap: Disabled
 Locale: en_US.UTF-8

[YoungHaKim7]

• Linux OS
  • It works fine, thank you.

OS: Ubuntu noble 24.04 x86_64
Host: MS-7D42 (2.0)
Kernel: 6.8.0-45-generic
Uptime: 4 mins
Packages: 2521 (dpkg), 9 (snap)
Shell: fish 3.7.1
Display (U34G3XM): 3440x1440 @ 60Hz *
Display (32ML600): 1920x1080 @ 60Hz
DE: Gnome 46.0
 WM: Mutter (X11)
 WM Theme: Yaru
Theme: Yaru [GTK2/3/4]
 Icons: Yaru [GTK2/3/4]
 Font: Ubuntu Sans (11pt) [GTK2/3/4]
Cursor: Yaru (24px)
Terminal: GNOME Terminal 3.52.0
 Terminal Font: Hack Nerd Font (30pt)
 CPU: 13th Gen Intel(R) Core(TM) i5-13600K (20) @ 5.10 GHz
 GPU 1: Intel UHD Graphics 770 @ 1.55 GHz [Integrated]
 GPU 2: NVIDIA GeForce RTX 3060 Ti Lite Hash Rate [Discrete]
 Memory: 3.29 GiB / 94.09 GiB (4%)
 Swap: 0 B / 8.00 GiB (0%)

[YoungHaKim7]

@jrmoulton It works fine, thank you.