v0.7.0

• Add zng::env::on_process_start! to inject custom code in zng::env::init!.
• Add zng::env::on_process_exit to register a handler for process exit.
• Add zng::env::exit to collaboratively exit the process.
• Add zng::app::on_app_start to register a handler to be called when the APP context starts.
• Implement From<Txt> for std::ffi::OsString.
• Add KeyLocation.
• Fix numpad shortcuts.
• Breaking Remove zng_view::init, zng_view_prebuilt::init, zng::view_process::default::init, zng::view_process::prebuilt::init.
  • Only zng::env::init!() needs to be called to setup the view-process.
• Breaking Remove zng_view::extensions::ViewExtensions::new.
  • Now use zng_view::view_process_extension! to declare.
• Breaking zng_view_api::Controller::start now requires the exe path and supports optional env variables to set.
  • This only affects custom view-process implementers.
• Breaking New default zng::env::res, was ./assets now is ./res.
• Breaking Renamed zng_view_prebuilt::ViewLib::init to view_process_main.
• Breaking Remove is_single_instance, single_instance, single_instance_named.
  • Single instance now enabled automatically just by setting feature="single_instance".
• Breaking Add name requirement for zng::task::ipc workers.
  • Workers are no longer limited to a single entry with an enum switch.
  • Use zng::env::on_process_start! to declare the worker entry anywhere.
• Breaking Remove zng::app::crash_handler::init and CrashConfig::new.
  • Use zng::app::crash_handler::crash_handler_config to config.
• Breaking Methods of HeadlessAppKeyboardExt now require key location.