mirror of https://github.com/mum4k/termdash.git
121 lines
2.8 KiB
Go
121 lines
2.8 KiB
Go
// Copyright 2018 Google Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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// Package cell implements cell options and attributes.
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package cell
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// Option is used to provide options for cells on a 2-D terminal.
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type Option interface {
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// Set sets the provided option.
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Set(*Options)
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}
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// Options stores the provided options.
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type Options struct {
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FgColor Color
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BgColor Color
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Bold bool
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Italic bool
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Underline bool
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Strikethrough bool
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Inverse bool
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Blink bool
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Dim bool
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}
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// Set allows existing options to be passed as an option.
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func (o *Options) Set(other *Options) {
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*other = *o
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}
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// NewOptions returns a new Options instance after applying the provided options.
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func NewOptions(opts ...Option) *Options {
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o := &Options{}
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for _, opt := range opts {
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opt.Set(o)
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}
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return o
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}
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// option implements Option.
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type option func(*Options)
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// Set implements Option.set.
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func (co option) Set(opts *Options) {
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co(opts)
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}
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// FgColor sets the foreground color of the cell.
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func FgColor(color Color) Option {
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return option(func(co *Options) {
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co.FgColor = color
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})
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}
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// BgColor sets the background color of the cell.
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func BgColor(color Color) Option {
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return option(func(co *Options) {
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co.BgColor = color
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})
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}
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// Bold makes cell's text bold.
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func Bold() Option {
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return option(func(co *Options) {
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co.Bold = true
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})
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}
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// Italic makes cell's text italic. Only works when using the tcell backend.
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func Italic() Option {
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return option(func(co *Options) {
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co.Italic = true
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})
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}
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// Underline makes cell's text underlined.
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func Underline() Option {
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return option(func(co *Options) {
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co.Underline = true
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})
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}
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// Strikethrough strikes through the cell's text. Only works when using the tcell backend.
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func Strikethrough() Option {
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return option(func(co *Options) {
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co.Strikethrough = true
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})
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}
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// Inverse inverts the colors of the cell's text.
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func Inverse() Option {
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return option(func(co *Options) {
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co.Inverse = true
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})
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}
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// Blink makes the cell's text blink. Only works when using the tcell backend.
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func Blink() Option {
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return option(func(co *Options) {
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co.Blink = true
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})
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}
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// Dim makes the cell foreground color dim. Only works when using the tcell backend.
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func Dim() Option {
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return option(func(co *Options) {
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co.Dim = true
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})
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}
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