* refactor: move button to widgets folder
* refactor: move inputbox to widgets folder
* refactor: move label to widgets folder
* refactor: move list_view to widgets
* refactor: move scroll_panel to widgets
* refactor: move scroller to widgets
* refactor: move toggle to widgets
* refactor: Move widget.py to widgets/__init__.py
* fix: remove extra list_view
* refactor: rearrange some of the imports
* fix: remove extra scroller.py
* fix: Add scroller back
* fix: delete right scroller.py this time
* move scroll_panel back to system/ui/lib
* add todos for label and button
* update settings close text to use multiplication x character
* add todo
* fix: Add settings close text char to loaded glyphs
* refactor: Use font medium for settings close button text and remove font bold property; change font_)medium property to font_weight
* move close icon down a bit
* fix: offset settings close text in button to correct centering
* fix: remove horizontal offset
* refactor: it's actually a font, so rename back
* mouse thread
* instanciate mouse
* type that
* pc handling
* use mouse event list in widget
* use events in scroll panel
* no stop that
* hack for now
* typing
* run
* clean up
* something like this
* need these
* rest
* another pr
* what is this merge conflict
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* fix mouse down
* rm that!
* fix that
* rearrange
* fix bug where mouse held down on widget, dragged off, then let go
* temp
* fix that
* missing init
* add new main UI entry point
* cleanup
* mv to selfdrive/ui
* fix imports
* handle_mouse_click
* use ui_state
* remove ui_state from gui_app
* setup callbacks
* handle clicks
* put layouts in a dict
* update state in render
* rebase master
* implement settings sidebar
* rename files