X-Git-Url: https://git.lizzy.rs/?a=blobdiff_plain;f=cmd%2Fmicro%2Fmessenger.go;h=0d20603a2df05f026a30e5f4293631d50937ae8c;hb=b9e916999fbf59a64c61c0921802821cd4b35993;hp=5287832e7cc402a738aba1b9c46bc60ea8e6307d;hpb=d13f9602ff228f83c1d1d149aed3a287a93016ff;p=micro.git

diff --git a/cmd/micro/messenger.go b/cmd/micro/messenger.go
index 5287832e..0d20603a 100644
--- a/cmd/micro/messenger.go
+++ b/cmd/micro/messenger.go
@@ -3,10 +3,12 @@ package main
 import (
 	"bufio"
 	"bytes"
+	"encoding/gob"
 	"fmt"
 	"os"
 	"strconv"
 
+	"github.com/mattn/go-runewidth"
 	"github.com/zyedidia/clipboard"
 	"github.com/zyedidia/tcell"
 )
@@ -69,16 +71,18 @@ type Messenger struct {
 	gutterMessage bool
 }
 
-func (m *Messenger) AddLog(msg string) {
+// AddLog sends a message to the log view
+func (m *Messenger) AddLog(msg ...interface{}) {
+	logMessage := fmt.Sprint(msg...)
 	buffer := m.getBuffer()
-	buffer.insert(buffer.End(), []byte(msg+"\n"))
+	buffer.insert(buffer.End(), []byte(logMessage+"\n"))
 	buffer.Cursor.Loc = buffer.End()
 	buffer.Cursor.Relocate()
 }
 
 func (m *Messenger) getBuffer() *Buffer {
 	if m.log == nil {
-		m.log = NewBuffer([]byte{}, "")
+		m.log = NewBufferFromString("", "")
 		m.log.name = "Log"
 	}
 	return m.log
@@ -86,36 +90,68 @@ func (m *Messenger) getBuffer() *Buffer {
 
 // Message sends a message to the user
 func (m *Messenger) Message(msg ...interface{}) {
-	m.message = fmt.Sprint(msg...)
-	m.style = defStyle
+	displayMessage := fmt.Sprint(msg...)
+	// only display a new message if there isn't an active prompt
+	// this is to prevent overwriting an existing prompt to the user
+	if m.hasPrompt == false {
+		// if there is no active prompt then style and display the message as normal
+		m.message = displayMessage
 
-	if _, ok := colorscheme["message"]; ok {
-		m.style = colorscheme["message"]
+		m.style = defStyle
+
+		if _, ok := colorscheme["message"]; ok {
+			m.style = colorscheme["message"]
+		}
+
+		m.hasMessage = true
 	}
-	m.AddLog(m.message)
-	m.hasMessage = true
+	// add the message to the log regardless of active prompts
+	m.AddLog(displayMessage)
 }
 
 // Error sends an error message to the user
 func (m *Messenger) Error(msg ...interface{}) {
 	buf := new(bytes.Buffer)
 	fmt.Fprint(buf, msg...)
-	m.message = buf.String()
-	m.style = defStyle.
-		Foreground(tcell.ColorBlack).
-		Background(tcell.ColorMaroon)
 
-	if _, ok := colorscheme["error-message"]; ok {
-		m.style = colorscheme["error-message"]
+	// only display a new message if there isn't an active prompt
+	// this is to prevent overwriting an existing prompt to the user
+	if m.hasPrompt == false {
+		// if there is no active prompt then style and display the message as normal
+		m.message = buf.String()
+		m.style = defStyle.
+			Foreground(tcell.ColorBlack).
+			Background(tcell.ColorMaroon)
+
+		if _, ok := colorscheme["error-message"]; ok {
+			m.style = colorscheme["error-message"]
+		}
+		m.hasMessage = true
+	}
+	// add the message to the log regardless of active prompts
+	m.AddLog(buf.String())
+}
+
+func (m *Messenger) PromptText(msg ...interface{}) {
+	displayMessage := fmt.Sprint(msg...)
+	// if there is no active prompt then style and display the message as normal
+	m.message = displayMessage
+
+	m.style = defStyle
+
+	if _, ok := colorscheme["message"]; ok {
+		m.style = colorscheme["message"]
 	}
-	m.AddLog(m.message)
+
 	m.hasMessage = true
+	// add the message to the log regardless of active prompts
+	m.AddLog(displayMessage)
 }
 
 // YesNoPrompt asks the user a yes or no question (waits for y or n) and returns the result
 func (m *Messenger) YesNoPrompt(prompt string) (bool, bool) {
 	m.hasPrompt = true
-	m.Message(prompt)
+	m.PromptText(prompt)
 
 	_, h := screen.Size()
 	for {
@@ -129,17 +165,19 @@ func (m *Messenger) YesNoPrompt(prompt string) (bool, bool) {
 		case *tcell.EventKey:
 			switch e.Key() {
 			case tcell.KeyRune:
-				if e.Rune() == 'y' {
+				if e.Rune() == 'y' || e.Rune() == 'Y' {
 					m.AddLog("\t--> y")
 					m.hasPrompt = false
 					return true, false
-				} else if e.Rune() == 'n' {
+				} else if e.Rune() == 'n' || e.Rune() == 'N' {
 					m.AddLog("\t--> n")
 					m.hasPrompt = false
 					return false, false
 				}
 			case tcell.KeyCtrlC, tcell.KeyCtrlQ, tcell.KeyEscape:
 				m.AddLog("\t--> (cancel)")
+				m.Clear()
+				m.Reset()
 				m.hasPrompt = false
 				return false, true
 			}
@@ -150,7 +188,7 @@ func (m *Messenger) YesNoPrompt(prompt string) (bool, bool) {
 // LetterPrompt gives the user a prompt and waits for a one letter response
 func (m *Messenger) LetterPrompt(prompt string, responses ...rune) (rune, bool) {
 	m.hasPrompt = true
-	m.Message(prompt)
+	m.PromptText(prompt)
 
 	_, h := screen.Size()
 	for {
@@ -194,13 +232,14 @@ const (
 	OptionCompletion
 	PluginCmdCompletion
 	PluginNameCompletion
+	OptionValueCompletion
 )
 
 // Prompt sends the user a message and waits for a response to be typed in
 // This function blocks the main loop while waiting for input
 func (m *Messenger) Prompt(prompt, placeholder, historyType string, completionTypes ...Completion) (string, bool) {
 	m.hasPrompt = true
-	m.Message(prompt)
+	m.PromptText(prompt)
 	if _, ok := m.history[historyType]; !ok {
 		m.history[historyType] = []string{""}
 	} else {
@@ -259,6 +298,10 @@ func (m *Messenger) Prompt(prompt, placeholder, historyType string, completionTy
 					chosen, suggestions = HelpComplete(currentArg)
 				} else if completionType == OptionCompletion {
 					chosen, suggestions = OptionComplete(currentArg)
+				} else if completionType == OptionValueCompletion {
+					if currentArgNum-1 > 0 {
+						chosen, suggestions = OptionValueComplete(args[currentArgNum-1], currentArg)
+					}
 				} else if completionType == PluginCmdCompletion {
 					chosen, suggestions = PluginCmdComplete(currentArg)
 				} else if completionType == PluginNameCompletion {
@@ -429,8 +472,10 @@ func (m *Messenger) Display() {
 	if m.hasMessage {
 		if m.hasPrompt || globalSettings["infobar"].(bool) {
 			runes := []rune(m.message + m.response)
+			posx := 0
 			for x := 0; x < len(runes); x++ {
-				screen.SetContent(x, h-1, runes[x], nil, m.style)
+				screen.SetContent(posx, h-1, runes[x], nil, m.style)
+				posx += runewidth.RuneWidth(runes[x])
 			}
 		}
 	}
@@ -441,6 +486,55 @@ func (m *Messenger) Display() {
 	}
 }
 
+// LoadHistory attempts to load user history from configDir/buffers/history
+// into the history map
+// The savehistory option must be on
+func (m *Messenger) LoadHistory() {
+	if GetGlobalOption("savehistory").(bool) {
+		file, err := os.Open(configDir + "/buffers/history")
+		var decodedMap map[string][]string
+		if err == nil {
+			decoder := gob.NewDecoder(file)
+			err = decoder.Decode(&decodedMap)
+			file.Close()
+
+			if err != nil {
+				m.Error("Error loading history:", err)
+				return
+			}
+		}
+
+		m.history = decodedMap
+	} else {
+		m.history = make(map[string][]string)
+	}
+}
+
+// SaveHistory saves the user's command history to configDir/buffers/history
+// only if the savehistory option is on
+func (m *Messenger) SaveHistory() {
+	if GetGlobalOption("savehistory").(bool) {
+		// Don't save history past 100
+		for k, v := range m.history {
+			if len(v) > 100 {
+				m.history[k] = v[0:100]
+			}
+		}
+
+		file, err := os.Create(configDir + "/buffers/history")
+		if err == nil {
+			encoder := gob.NewEncoder(file)
+
+			err = encoder.Encode(m.history)
+			if err != nil {
+				m.Error("Error saving history:", err)
+				return
+			}
+			file.Close()
+		}
+	}
+}
+
 // A GutterMessage is a message displayed on the side of the editor
 type GutterMessage struct {
 	lineNum int