core.ui.window

This module provides a window with border, title, and panel support.

TIP

To use this module, you need to import it first: import("core.ui.window")

NOTE

The UI module is primarily used for xmake's internal xmake f --menu menu-based visual configuration. It provides basic UI components that can also be used by users to implement their own terminal UIs.

The window module extends panel and provides a complete window container with:

• Border and shadow support
• Title bar (centered)
• Content panel for child views
• Tab key navigation between focusable views

window:new

• Create a new window instance

Function Prototype

API

window:new(name: <string>, bounds: <rect>, title?: <string>, shadow?: <boolean>)

Parameter Description

Parameter	Description
name	Required. Window name string
bounds	Required. Window bounds rectangle
title	Optional. Window title string (centered at top)
shadow	Optional. Show shadow effect (true or false, default false)

Return Value

Type	Description
window	Returns a window instance

Usage

Create a window with title and shadow:

import("core.ui.window")
import("core.ui.rect")

local win = window:new("main", rect{10, 5, 60, 20}, "Main Window", true)

window:frame

• Get the frame panel

Function Prototype

API

window:frame()

Parameter Description

No parameters

Return Value

Type	Description
panel	Returns the frame panel instance

Usage

Access the frame panel to customize its appearance:

local frame = win:frame()
frame:background_set("cyan")

window:panel

• Get the content panel

Function Prototype

API

window:panel()

Parameter Description

No parameters

Return Value

Type	Description
panel	Returns the content panel instance

Usage

Access the content panel to add child views:

local panel = win:panel()
panel:insert(label:new("label1", rect{1, 1, 20, 1}, "Hello"))

window:title

• Get the title label

Function Prototype

API

window:title()

Parameter Description

No parameters

Return Value

Type	Description
label	Returns the title label instance or nil if no title was set

Usage

Access and customize the title label:

local title = win:title()
if title then
    title:text_set("New Title")
    title:textattr_set("red bold")
end

window:shadow

• Get the shadow view

Function Prototype

API

window:shadow()

Parameter Description

No parameters

Return Value

Type	Description
view	Returns the shadow view instance or nil if shadow was not enabled

Usage

Access the shadow view:

local shadow = win:shadow()
if shadow then
    shadow:background_set("gray")
end

window:border

• Get the border component

Function Prototype

API

window:border()

Parameter Description

No parameters

Return Value

Type	Description
border	Returns the border instance

Usage

Access the border component:

local border = win:border()

window:on_event

• Handle keyboard events for tab navigation

Function Prototype

API

window:on_event(e: <event>)

Parameter Description

Parameter	Description
e	Required. Event object

Return Value

Type	Description
boolean	Returns true if Tab key was handled, nil otherwise

Usage

The window automatically handles Tab key navigation between focusable views in the panel:

-- Tab key is automatically handled to navigate focus

window:on_resize

• Handle window resize

Function Prototype

API

window:on_resize()

Parameter Description

No parameters

Return Value

No return value

Usage

This is automatically called when the window is resized. It adjusts:

• Frame bounds
• Shadow bounds (if enabled)
• Border bounds
• Title position (centered)
• Panel bounds (adjusted with 1 unit inset)