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Menus and Menu Bars * New and completed widgets: Menu, MenuButton and MenuBar. * MenuButton is a kind of Button that opens a popup Menu when clicked. * MenuBar is a container of buttons designed to be attached to the top of an application window ("File, Edit, View, Help") * Supervisor manages the popup menus with its new concept of a Modal Widget. Modal widgets take exclusive event priority for all mouse and key events. The pop-up menu is a modal window, which means you must click an option inside the menu OR clicking outside the menu will close it and eat your click event (widgets outside the modal don't receive events, but the modal itself gets an event that you've done this).
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# Examples for go/ui
Update example apps and documentation
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Here are some example programs using go/ui, each accompanied by a
screenshot and description:
ListBox, ScrollBar, Magic Form and forms demo
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* [Hello, World!](hello-world/): a basic UI demo with a Label and a Button.
* [Frame Placement](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.
* [Forms](forms/): demonstrates some form controls and the `magicform` helper module for building forms quickly.
* [Tooltip](tooltip/): demonstrates the Tooltip widget on a variety of buttons scattered around the window.
Menus and Menu Bars * New and completed widgets: Menu, MenuButton and MenuBar. * MenuButton is a kind of Button that opens a popup Menu when clicked. * MenuBar is a container of buttons designed to be attached to the top of an application window ("File, Edit, View, Help") * Supervisor manages the popup menus with its new concept of a Modal Widget. Modal widgets take exclusive event priority for all mouse and key events. The pop-up menu is a modal window, which means you must click an option inside the menu OR clicking outside the menu will close it and eat your click event (widgets outside the modal don't receive events, but the modal itself gets an event that you've done this).
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* [Menus](menus/): demonstrates various Menu Buttons and a Menu Bar.
ListBox, ScrollBar, Magic Form and forms demo
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* [Themes](themes/): a UI demo that shows off the Default, Flat, and Dark UI themes as part of experimental theming support.
New Widget: TabFrame * Added the TabFrame widget with an example program and screenshot * Button: FixedColor=true to set a consistent background color and not worry about it with mouseover/down events.
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* [TabFrame](tabframe/): demo for the TabFrame widget showing multiple Windows
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.
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with tabbed interfaces.
* [ColorPicker](colorpicker/): demo for the ColorPicker widget.
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