mirror of https://github.com/mum4k/termdash.git
68 lines
1.8 KiB
Go
68 lines
1.8 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 text
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// write_options.go contains options used when writing content to the Text widget.
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import (
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"github.com/mum4k/termdash/cell"
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)
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// WriteOption is used to provide options to Write().
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type WriteOption interface {
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// set sets the provided option.
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set(*writeOptions)
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}
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// writeOptions stores the provided options.
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type writeOptions struct {
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cellOpts *cell.Options
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replace bool
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}
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// newWriteOptions returns new writeOptions instance.
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func newWriteOptions(wOpts ...WriteOption) *writeOptions {
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wo := &writeOptions{
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cellOpts: cell.NewOptions(),
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}
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for _, o := range wOpts {
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o.set(wo)
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}
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return wo
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}
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// writeOption implements WriteOption.
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type writeOption func(*writeOptions)
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// set implements WriteOption.set.
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func (wo writeOption) set(wOpts *writeOptions) {
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wo(wOpts)
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}
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// WriteCellOpts sets options on the cells that contain the text.
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func WriteCellOpts(opts ...cell.Option) WriteOption {
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return writeOption(func(wOpts *writeOptions) {
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wOpts.cellOpts = cell.NewOptions(opts...)
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})
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}
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// WriteReplace instructs the text widget to replace the entire text content on
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// this write instead of appending.
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func WriteReplace() WriteOption {
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return writeOption(func(wOpts *writeOptions) {
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wOpts.replace = true
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})
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}
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