ImGuiWindow.ColorPicker

Appends a RGBA color editor to an ImGuiWindow and stores the callback. Missing or nil color components default to 1.0. When the rendered editor changes, the callback is queued and later invoked with red, green, blue, and alpha. The method returns the same ImGuiWindow object.

Syntax

ImGuiWindow.ColorPicker(window: ImGuiWindow, label: string, red?: number, green?: number, blue?: number, alpha?: number, onChange: function): ImGuiWindow

Arguments

Name	Type	Required	Description
`window`	`ImGuiWindow`	Yes	ImGuiWindow object returned by imgui.create. A destroyed or invalid window raises a Lua error.
`label`	`string`	Yes	Color editor label string passed to the rendered ImGui ColorEdit4 widget.
`red`	`number`	No	Initial red component read with luaL_optnumber; defaults to 1.0 when omitted or nil.
`green`	`number`	No	Initial green component read with luaL_optnumber; defaults to 1.0 when omitted or nil.
`blue`	`number`	No	Initial blue component read with luaL_optnumber; defaults to 1.0 when omitted or nil.
`alpha`	`number`	No	Initial alpha component read with luaL_optnumber; defaults to 1.0 when omitted or nil.
`onChange`	`function`	Yes	Function stored for this color editor and invoked with red, green, blue, and alpha after a change event is processed. It must be supplied as argument 7.

Returns

Name	Type	Description
`window`	`ImGuiWindow`	The same ImGuiWindow object, allowing chained method calls.

Types

ImGuiWindow

Handle returned by imgui.create. Control-building methods return the same handle so calls can be chained.

Name	Type	Required	Description
`Button`	`(label: string, onClick: () -> ()) -> ImGuiWindow`	Yes	Appends a button and queues the callback with no arguments after a click.
`Checkbox`	`(label: string, checked: any, onChange: (boolean) -> ()) -> ImGuiWindow`	Yes	Appends a checkbox initialized from the checked value.
`CollapsingHeader`	`(label: string, content: (ImGuiWindow) -> ()) -> ImGuiWindow`	Yes	Immediately runs content to append elements that render under a collapsible header.
`ColorPicker`	`(label: string, red: number?, green: number?, blue: number?, alpha: number?, onChange: (number, number, number, number) -> ()) -> ImGuiWindow`	Yes	Appends a ColorEdit4-backed RGBA editor; onChange is read from argument 7.
`InputText`	`(label: string, text: string?, onChange: (string) -> ()) -> ImGuiWindow`	Yes	Appends a single-line InputText using a fixed 256-byte buffer; onChange is argument 4.
`SameLine`	`() -> ImGuiWindow`	Yes	Appends a SameLine layout marker that calls same-line layout during rendering.
`Separator`	`() -> ImGuiWindow`	Yes	Appends a Separator marker that calls a separator during rendering.
`SliderFloat`	`(label: string, value: number, minimum: number, maximum: number, onChange: (number) -> ()) -> ImGuiWindow`	Yes	Appends a SliderFloat element and queues onChange with one Lua number when the value changes.
`SliderInt`	`(label: string, value: integer, minimum: integer, maximum: integer, onChange: (number) -> ()) -> ImGuiWindow`	Yes	Appends a SliderInt element and queues onChange with one Lua number when the integer value changes.
`Text`	`(text: string) -> ImGuiWindow`	Yes	Appends a non-interactive text element.
`destroy`	`() -> ()`	Yes	Removes the window and releases its registered callbacks.

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​ImGuiWindow

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ImGuiWindow