* add a little Stash utility.
* add radio state RAII helper.
* first part of radio_state changes
* add radio_state_ to rest of apps
* fix freq_step and format
* fix unused ui_sigfrx: corrected sample rate, added back freq setting
* Allow apps to not use persisted freq.
* use rx_freq for RX mode
* remove direct call to persistant_memory in tx_model
* app_setting defaults, and tx_view to use ctor value
* WIP file editing
* WIP file editing
* Add "on_pop" handler to navigation.
* WIP Editing
* WIP for draft
* Fix mock and unit tests, support +newline at end.
* Clean up Painter API and use string_view
* Fix optional rvalue functions
* Fix Result 'take' to be more standard
* FileWrapper stack buffer reads
* Grasping at straws
* Nit
* Move set_on_pop impl to cpp
* Workaround "Open" when file not dirty.
---------
Co-authored-by: kallanreed <kallanreed@outlook.com>
* WIP Move file_wrapper and make testable.
* More tests, get text_editor compiling
* Back to working
* Run formatter
---------
Co-authored-by: kallanreed <kallanreed@outlook.com>
* easier 'now', start adding text editor
* Adding scrolling to notepad
* Better scrolling
* Better scrolling, off-by-1 bugs
* MVP fit and finish
* Add tiny font and use in Notepad
* Font tweaking, tiny font cursor
* Fix warning
* Format changed files
* WIP No file limit
* WIP - adding CircularBuffer type
* WIP Caching
* add unit test for circular_buffer
* WIP still have a bug when moving cache forward
* Finish lazy line caching
---------
Co-authored-by: kallanreed <kallanreed@outlook.com>