Twix crashes when scaling the window

[oleflb]

When decreasing the width of twix, the application crashes.
The error message is Negative child size: [-12.0 18.0]

Here is a full backtrace:

stack backtrace:
   0:     0x5580e15a5daa - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::he089f96442833f67
   1:     0x5580e15d5e03 - core::fmt::write::h2f210ed4c94745cb
   2:     0x5580e15a05a3 - std::io::Write::write_fmt::h7de08171ab770fb2
   3:     0x5580e15a5bf2 - std::sys::backtrace::BacktraceLock::print::h810fbd31421329e6
   4:     0x5580e15a6e20 - std::panicking::default_hook::{{closure}}::hbaad47ed9dc6356d
   5:     0x5580e15a6c00 - std::panicking::default_hook::h24e207139139d40a
   6:     0x5580e15a7602 - std::panicking::rust_panic_with_hook::ha9131beeb2ddc506
   7:     0x5580e15a738a - std::panicking::begin_panic_handler::{{closure}}::h1bba0eaeb6da506f
   8:     0x5580e15a62a9 - std::sys::backtrace::__rust_end_short_backtrace::h1d1ca3eade483f4c
   9:     0x5580e15a701d - rust_begin_unwind
  10:     0x5580e15d2c80 - core::panicking::panic_fmt::h896a0727a1a943f9
  11:     0x5580e1297574 - egui::placer::Placer::next_space::haad48b3157539f51
  12:     0x5580e12559ae - egui::ui::Ui::allocate_space::h1134e0043dd933cc
  13:     0x5580e1257b8c - egui::widgets::slider::Slider::add_contents::ha6565dc1b30efd7f
  14:     0x5580e124fdec - core::ops::function::FnOnce::call_once{{vtable.shim}}::h97e91b1078b68f46
  15:     0x5580e124fcaa - core::ops::function::FnOnce::call_once{{vtable.shim}}::h13dc1d74ac44baa0
  16:     0x5580e1256239 - egui::ui::Ui::allocate_new_ui_dyn::h10e1b0821138e77e
  17:     0x5580e125b3bd - <egui::widgets::slider::Slider as egui::widgets::Widget>::ui::ha8c77040275d4448
  18:     0x5580e0626563 - twix::panels::manual_camera_calibration::draw_calibration_ui::h444c17273e0eed7e
  19:     0x5580e06f4f8b - core::ops::function::FnOnce::call_once{{vtable.shim}}::h89da23f37b21ee9d
  20:     0x5580e0704f34 - egui::ui::Ui::allocate_new_ui_dyn::h2fafdff0b0a88fcc
  21:     0x5580e0704417 - egui::ui::Ui::allocate_new_ui::hff2987cfafa0cad6
  22:     0x5580e07148f1 - <twix::TabViewer as egui_dock::widgets::tab_viewer::TabViewer>::ui::h000f82d9dccf1f00
  23:     0x5580e05ca860 - egui::containers::frame::Frame::show_dyn::h615cd4e9901d1869
  24:     0x5580e06654f8 - core::ops::function::FnOnce::call_once{{vtable.shim}}::ha90b0a70c108275a
  25:     0x5580e0701ba2 - egui::containers::scroll_area::ScrollArea::show_viewport_dyn::hfd338bd024f6fc42
  26:     0x5580e0691342 - egui_dock::widgets::dock_area::show::<impl egui_dock::widgets::dock_area::DockArea<Tab>>::render_nodes::h77f5f3fa9e74f248
  27:     0x5580e068cb96 - egui_dock::widgets::dock_area::show::<impl egui_dock::widgets::dock_area::DockArea<Tab>>::show_inside::hdd84f68d188676e5
  28:     0x5580e06665da - core::ops::function::FnOnce::call_once{{vtable.shim}}::ha9c8a2c8dc656b84
  29:     0x5580e0667f94 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hdc23cc1059239a54
  30:     0x5580e05ca860 - egui::containers::frame::Frame::show_dyn::h615cd4e9901d1869
  31:     0x5580e066d486 - egui::containers::panel::CentralPanel::show::h6fd10ee954e15002
  32:     0x5580e071391b - <twix::TwixApp as eframe::epi::App>::update::h27b6c168c238dd47
  33:     0x5580e0a6f505 - egui::context::Context::run::h89e6ed405e101467
  34:     0x5580e0ab33d4 - eframe::native::epi_integration::EpiIntegration::update::h94620f30e85b20bf
  35:     0x5580e0a95a23 - <eframe::native::glow_integration::GlowWinitApp as eframe::native::winit_integration::WinitApp>::run_ui_and_paint::hc8ac320c4f85cb38
  36:     0x5580e0a8f9fa - eframe::native::event_loop_context::with_event_loop_context::h83ba51eedff8c125
  37:     0x5580e0a5215c - core::ops::function::impls::<impl core::ops::function::FnMut<A> for &mut F>::call_mut::hb58ab2524088f0a0
  38:     0x5580e0a4a4cc - winit::platform_impl::linux::wayland::event_loop::EventLoop<T>::pump_events::hdd5f295ec6973d57
  39:     0x5580e0a4c63b - winit::platform_impl::linux::wayland::event_loop::EventLoop<T>::run_on_demand::hbbef0ecf6bac1c3c
  40:     0x5580e0a5e6da - eframe::native::run::run_glow::h07c093ee8da0c168
  41:     0x5580e0a9d554 - eframe::run_native::h3cb103d427e9c1c8
  42:     0x5580e0712b04 - twix::main::he4a5d4b406178917
  43:     0x5580e06616c6 - std::sys::backtrace::__rust_begin_short_backtrace::h9c7613360d01d79a
  44:     0x5580e06e9248 - std::rt::lang_start::{{closure}}::h898fc2e60d740623
  45:     0x5580e1597497 - std::rt::lang_start_internal::hbb268f70c879621d
  46:     0x5580e071a375 - main
  47:     0x7f03be6d7248 - __libc_start_call_main
  48:     0x7f03be6d730b - __libc_start_main@GLIBC_2.2.5
  49:     0x5580e0576825 - _start
  50:                0x0 - <unknown>

[oleflb]

After having a look at the backtrace, the Slider seems to be the problem... When closing the Manual Calibration panel I can resize as I like