ui/eg/README.md
Noah Petherbridge fee6e1e105 New widget: ColorPicker, plus other changes
New properties are added to EventData for Supervisor events:

* Widget: a reference to the widget which is receiving the event.
* Clicked (bool): for MouseMove events records if the primary button is pressed.
* func RelativePoint(): returns a version of EventData.Point adjusted to be
  relative to the Widget (0,0 at the Widget's absolute position on screen).

Other changes:

* Destroy() method for the Widget interface: widgets that need to free up resources
  on teardown should define this, the BaseWidget provides a no-op implementation.
* Window.Resize() will properly resize a Window.
* Window.Center(w, h int) to easily center a window on screen.
2022-01-01 18:43:36 -08:00

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# Examples for go/ui
Here are some example programs using go/ui, each accompanied by a
screenshot and description:
* [Hello, World!](hello-world/): a basic UI demo with a Label and a
Button.
* [Frame Place()](frame-place/): demonstrates using the Place() layout
management option for Frame widgets.
* [Window Manager](windows/): demonstrates the Window widget and window
management features of the Supervisor.
* [Tooltip](tooltip/): demonstrates the Tooltip widget on a variety of buttons
scattered around the window.
* [Menus](menus/): demonstrates various Menu Buttons and a Menu Bar.
* [Themes](themes/): a UI demo that shows off the Default, Flat, and Dark UI
themes as part of experimental theming support.
* [TabFrame](tabframe/): demo for the TabFrame widget showing multiple Windows
with tabbed interfaces.
* [ColorPicker](colorpicker/): demo for the ColorPicker widget.