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Fix for panic in multiple_fonts.ts due to leaked FontStackToken

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Fix for panic:
thread 'main' panicked at 'A FontStackToken was leaked. Did you call .pop()?', D:\Repos\GitHub\imgui-rs\src\stacks.rs:178:13

stack backtrace:
   0: backtrace::backtrace::trace_unsynchronized
             at C:\Users\VssAdministrator\.cargo\registry\src\github.com-1ecc6299db9ec823\backtrace-0.3.34\src\backtrace\mod.rs:66
   1: std::sys_common::backtrace::_print
             at /rustc/625451e376bb2e5283fc4741caa0a3e8a2ca4d54\/src\libstd\sys_common\backtrace.rs:47
   2: std::sys_common::backtrace::print
             at /rustc/625451e376bb2e5283fc4741caa0a3e8a2ca4d54\/src\libstd\sys_common\backtrace.rs:36
   3: std::panicking::default_hook::{{closure}}
             at /rustc/625451e376bb2e5283fc4741caa0a3e8a2ca4d54\/src\libstd\panicking.rs:200
   4: std::panicking::default_hook
             at /rustc/625451e376bb2e5283fc4741caa0a3e8a2ca4d54\/src\libstd\panicking.rs:214
   5: std::panicking::rust_panic_with_hook
             at /rustc/625451e376bb2e5283fc4741caa0a3e8a2ca4d54\/src\libstd\panicking.rs:477
   6: std::panicking::begin_panic
   7: <imgui::stacks::FontStackToken as core::ops::drop::Drop>::drop
   8: imgui:🪟:Window::build
   9: <std::sync::mpsc::sync::Packet<T> as core::ops::drop::Drop>::drop
  10: <std::sys_common::poison::PoisonError<T> as core::fmt::Debug>::fmt
  11: std::rt::lang_start_internal::{{closure}}
             at /rustc/625451e376bb2e5283fc4741caa0a3e8a2ca4d54\/src\libstd\rt.rs:49
  12: std::panicking::try::do_call<closure-0,i32>
             at /rustc/625451e376bb2e5283fc4741caa0a3e8a2ca4d54\/src\libstd\panicking.rs:296
  13: panic_unwind::__rust_maybe_catch_panic
             at /rustc/625451e376bb2e5283fc4741caa0a3e8a2ca4d54\/src\libpanic_unwind\lib.rs:80
  14: std::panicking::try
             at /rustc/625451e376bb2e5283fc4741caa0a3e8a2ca4d54\/src\libstd\panicking.rs:275
  15: std::panic::catch_unwind
             at /rustc/625451e376bb2e5283fc4741caa0a3e8a2ca4d54\/src\libstd\panic.rs:394
  16: std::rt::lang_start_internal
             at /rustc/625451e376bb2e5283fc4741caa0a3e8a2ca4d54\/src\libstd\rt.rs:48
  17: main
  18: invoke_main
             at d:\agent\_work\3\s\src\vctools\crt\vcstartup\src\startup\exe_common.inl:78
  19: __scrt_common_main_seh
             at d:\agent\_work\3\s\src\vctools\crt\vcstartup\src\startup\exe_common.inl:288
  20: BaseThreadInitThunk
  21: RtlUserThreadStart
This commit is contained in:
Nokola 2019-10-14 01:11:01 -07:00
parent ae2f7d047c
commit feaed95eca
1 changed files with 2 additions and 2 deletions
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4
imgui-examples/examples/multiple_fonts.rs
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@ -27,9 +27,9 @@ fn main() {
ui.text("Hello, I'm Roboto Regular!");
let _dokdo = ui.push_font(dokdo);
ui.text("Hello, I'm Dokdo Regular!");
drop(_dokdo);
_dokdo.pop(&ui);
ui.text("Hello, I'm Roboto Regular again!");
drop(_roboto);
_roboto.pop(&ui);
ui.text("Hello, I'm the default font again!");
});
});