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Demo app panics if you click on Organize windows #3566

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YgorSouza opened this issue Nov 17, 2023 · 1 comment
Closed

Demo app panics if you click on Organize windows #3566

YgorSouza opened this issue Nov 17, 2023 · 1 comment
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bug Something is broken

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@YgorSouza
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Describe the bug

The demo app panics if you click on the "Organize windows" button in the bottom right corner. Both on Desktop and Web.

Desktop (please complete the following information):

  • OS: Fedora 38
  • Browser Firefox
  • Version 119.0.1

Additional context

Bug introduced by #3172 (confirmed via bisect).

Backtrace:

thread 'main' panicked at 'Memory broken: no area for the current viewport', crates/egui/src/memory.rs:589:14
stack backtrace:
   0: rust_begin_unwind
             at /rustc/90c541806f23a127002de5b4038be731ba1458ca/library/std/src/panicking.rs:578:5
   1: core::panicking::panic_fmt
             at /rustc/90c541806f23a127002de5b4038be731ba1458ca/library/core/src/panicking.rs:67:14
   2: core::panicking::panic_display
             at /rustc/90c541806f23a127002de5b4038be731ba1458ca/library/core/src/panicking.rs:150:5
   3: core::panicking::panic_str
             at /rustc/90c541806f23a127002de5b4038be731ba1458ca/library/core/src/panicking.rs:134:5
   4: core::option::expect_failed
             at /rustc/90c541806f23a127002de5b4038be731ba1458ca/library/core/src/option.rs:2025:5
   5: core::option::Option<T>::expect
             at /rustc/90c541806f23a127002de5b4038be731ba1458ca/library/core/src/option.rs:913:21
   6: egui::memory::Memory::areas
             at ./crates/egui/src/memory.rs:587:9
   7: egui::memory::Memory::layer_id_at
             at ./crates/egui/src/memory.rs:599:9
   8: egui::context::Context::layer_id_at::{{closure}}
             at ./crates/egui/src/context.rs:1833:13
   9: egui::context::Context::memory::{{closure}}
             at ./crates/egui/src/context.rs:587:30
  10: egui::context::Context::read
             at ./crates/egui/src/context.rs:480:9
  11: egui::context::Context::memory
             at ./crates/egui/src/context.rs:587:9
  12: egui::context::Context::layer_id_at
             at ./crates/egui/src/context.rs:1832:9
  13: egui::context::Context::rect_contains_pointer
             at ./crates/egui/src/context.rs:1848:47
  14: egui::context::Context::interact
             at ./crates/egui/src/context.rs:798:27
  15: egui::ui::Ui::interact
             at ./crates/egui/src/ui.rs:628:9
  16: egui::ui::Ui::with_layout_dyn
             at ./crates/egui/src/ui.rs:2013:35
  17: egui::ui::Ui::with_layout
             at ./crates/egui/src/ui.rs:1999:9
  18: egui_demo_lib::demo::demo_app_windows::DemoWindows::demo_list_ui::{{closure}}
             at ./crates/egui_demo_lib/src/demo/demo_app_windows.rs:286:13
  19: egui::containers::scroll_area::ScrollArea::show::{{closure}}
             at ./crates/egui/src/containers/scroll_area.rs:608:61
  20: core::ops::function::FnOnce::call_once{{vtable.shim}}
             at /rustc/90c541806f23a127002de5b4038be731ba1458ca/library/core/src/ops/function.rs:250:5
  21: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
             at /rustc/90c541806f23a127002de5b4038be731ba1458ca/library/alloc/src/boxed.rs:1973:9
  22: egui::containers::scroll_area::ScrollArea::show_viewport_dyn
             at ./crates/egui/src/containers/scroll_area.rs:680:21
  23: egui::containers::scroll_area::ScrollArea::show
             at ./crates/egui/src/containers/scroll_area.rs:608:9
  24: egui_demo_lib::demo::demo_app_windows::DemoWindows::demo_list_ui
             at ./crates/egui_demo_lib/src/demo/demo_app_windows.rs:285:9
  25: egui_demo_lib::demo::demo_app_windows::DemoWindows::desktop_ui::{{closure}}
             at ./crates/egui_demo_lib/src/demo/demo_app_windows.rs:265:17
  26: core::ops::function::FnOnce::call_once{{vtable.shim}}
             at /rustc/90c541806f23a127002de5b4038be731ba1458ca/library/core/src/ops/function.rs:250:5
  27: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
             at /rustc/90c541806f23a127002de5b4038be731ba1458ca/library/alloc/src/boxed.rs:1973:9
  28: egui::containers::panel::SidePanel::show_inside_dyn::{{closure}}
             at ./crates/egui/src/containers/panel.rs:285:13
  29: core::ops::function::FnOnce::call_once{{vtable.shim}}
             at /rustc/90c541806f23a127002de5b4038be731ba1458ca/library/core/src/ops/function.rs:250:5
  30: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
             at /rustc/90c541806f23a127002de5b4038be731ba1458ca/library/alloc/src/boxed.rs:1973:9
  31: egui::containers::frame::Frame::show_dyn
             at ./crates/egui/src/containers/frame.rs:224:19
  32: egui::containers::frame::Frame::show
             at ./crates/egui/src/containers/frame.rs:215:9
  33: egui::containers::panel::SidePanel::show_inside_dyn
             at ./crates/egui/src/containers/panel.rs:282:30
  34: egui::containers::panel::SidePanel::show_dyn
             at ./crates/egui/src/containers/panel.rs:349:30
  35: egui::containers::panel::SidePanel::show
             at ./crates/egui/src/containers/panel.rs:334:9
  36: egui_demo_lib::demo::demo_app_windows::DemoWindows::desktop_ui
             at ./crates/egui_demo_lib/src/demo/demo_app_windows.rs:243:9
  37: egui_demo_lib::demo::demo_app_windows::DemoWindows::ui
             at ./crates/egui_demo_lib/src/demo/demo_app_windows.rs:177:13
  38: <egui_demo_app::wrap_app::DemoApp as eframe::epi::App>::update
             at ./crates/egui_demo_app/src/wrap_app.rs:31:9
  39: egui_demo_app::wrap_app::WrapApp::show_selected_app
             at ./crates/egui_demo_app/src/wrap_app.rs:370:17
  40: <egui_demo_app::wrap_app::WrapApp as eframe::epi::App>::update
             at ./crates/egui_demo_app/src/wrap_app.rs:279:9
  41: eframe::native::epi_integration::EpiIntegration::update::{{closure}}
             at ./crates/eframe/src/native/epi_integration.rs:517:17
  42: egui::context::Context::run
             at ./crates/egui/src/context.rs:515:9
  43: eframe::native::epi_integration::EpiIntegration::update
             at ./crates/eframe/src/native/epi_integration.rs:509:27
  44: eframe::native::run::glow_integration::GlowWinitRunning::run_ui_and_paint
             at ./crates/eframe/src/native/run.rs:545:17
  45: <eframe::native::run::glow_integration::GlowWinitApp as eframe::native::run::WinitApp>::run_ui_and_paint
             at ./crates/eframe/src/native/run.rs:1700:17
  46: eframe::native::run::run_and_return::{{closure}}
             at ./crates/eframe/src/native/run.rs:184:17
  47: winit::platform_impl::platform::sticky_exit_callback
             at /home/ygor/.cargo/registry/src/index.crates.io-6f17d22bba15001f/winit-0.28.6/src/platform_impl/linux/mod.rs:884:9
  48: winit::platform_impl::platform::wayland::event_loop::EventLoop<T>::run_return
             at /home/ygor/.cargo/registry/src/index.crates.io-6f17d22bba15001f/winit-0.28.6/src/platform_impl/linux/wayland/event_loop/mod.rs:549:21
  49: winit::platform_impl::platform::EventLoop<T>::run_return
             at /home/ygor/.cargo/registry/src/index.crates.io-6f17d22bba15001f/winit-0.28.6/src/platform_impl/linux/mod.rs:785:56
  50: <winit::event_loop::EventLoop<T> as winit::platform::run_return::EventLoopExtRunReturn>::run_return
             at /home/ygor/.cargo/registry/src/index.crates.io-6f17d22bba15001f/winit-0.28.6/src/platform/run_return.rs:51:9
  51: eframe::native::run::run_and_return
             at ./crates/eframe/src/native/run.rs:169:5
  52: eframe::native::run::glow_integration::run_glow::{{closure}}
             at ./crates/eframe/src/native/run.rs:1796:17
  53: eframe::native::run::with_event_loop::{{closure}}
             at ./crates/eframe/src/native/run.rs:151:9
  54: std::thread::local::LocalKey<T>::try_with
             at /rustc/90c541806f23a127002de5b4038be731ba1458ca/library/std/src/thread/local.rs:252:16
  55: std::thread::local::LocalKey<T>::with
             at /rustc/90c541806f23a127002de5b4038be731ba1458ca/library/std/src/thread/local.rs:228:9
  56: eframe::native::run::with_event_loop
             at ./crates/eframe/src/native/run.rs:145:5
  57: eframe::native::run::glow_integration::run_glow
             at ./crates/eframe/src/native/run.rs:1793:20
  58: eframe::run_native
             at ./crates/eframe/src/lib.rs:227:13
  59: egui_demo_app::main
             at ./crates/egui_demo_app/src/main.rs:30:5
  60: core::ops::function::FnOnce::call_once
             at /rustc/90c541806f23a127002de5b4038be731ba1458ca/library/core/src/ops/function.rs:250:5
@YgorSouza YgorSouza added the bug Something is broken label Nov 17, 2023
@emilk
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emilk commented Nov 18, 2023

Thanks for the report!

@emilk emilk closed this as completed in a0d092f Nov 18, 2023
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@emilk @YgorSouza