mirror of
https://github.com/zyedidia/micro.git
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86 lines
2.0 KiB
Go
86 lines
2.0 KiB
Go
package info
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import (
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"fmt"
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"strings"
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"github.com/zyedidia/micro/cmd/micro/buffer"
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)
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var MainBar *Bar
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func InitInfoBar() {
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MainBar = NewBar()
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}
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// The Bar displays messages and other info at the bottom of the screen.
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// It is respresented as a buffer and a message with a style.
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type Bar struct {
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*buffer.Buffer
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HasPrompt bool
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HasMessage bool
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HasError bool
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Msg string
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// This map stores the history for all the different kinds of uses Prompt has
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// It's a map of history type -> history array
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History map[string][]string
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HistoryNum int
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// Is the current message a message from the gutter
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GutterMessage bool
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PromptCallback func(resp string, canceled bool)
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}
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func NewBar() *Bar {
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ib := new(Bar)
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ib.History = make(map[string][]string)
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ib.Buffer = buffer.NewBufferFromString("", "infobar", buffer.BTInfo)
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return ib
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}
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// Message sends a message to the user
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func (i *Bar) Message(msg ...interface{}) {
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// only display a new message if there isn't an active prompt
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// this is to prevent overwriting an existing prompt to the user
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if i.HasPrompt == false {
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displayMessage := fmt.Sprint(msg...)
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// if there is no active prompt then style and display the message as normal
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i.Msg = displayMessage
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i.HasMessage = true
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}
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}
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// Error sends an error message to the user
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func (i *Bar) Error(msg ...interface{}) {
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// only display a new message if there isn't an active prompt
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// this is to prevent overwriting an existing prompt to the user
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if i.HasPrompt == false {
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// if there is no active prompt then style and display the message as normal
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i.Msg = fmt.Sprint(msg...)
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i.HasMessage, i.HasError = false, true
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}
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// TODO: add to log?
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}
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func (i *Bar) Prompt(msg string, callback func(string, bool)) {
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i.Msg = msg
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i.HasPrompt = true
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i.HasMessage, i.HasError = false, false
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i.PromptCallback = callback
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}
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func (i *Bar) DonePrompt(canceled bool) {
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i.HasPrompt = false
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if canceled {
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i.PromptCallback("", true)
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} else {
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i.PromptCallback(strings.TrimSpace(string(i.LineBytes(0))), false)
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}
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}
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