goto command; closes #56

gui/action.go

@@ -1,16 +1,22 @@
 package gui
 
-import "os"
+import (
+	"log"
+	"os"
+	"strconv"
+)
 
 type BufferAction struct {
-	name string
-	proc func(*View, []string) bool
+	name          string
+	proc          func(*View, []string) bool
+	showInPalette bool
 }
 
 func NewBufferAction(name string, proc func(*View, []string) bool) BufferAction {
 	return BufferAction{
-		name: name,
-		proc: proc,
+		name:          name,
+		proc:          proc,
+		showInPalette: true,
 	}
 }
 
@@ -27,7 +33,28 @@ func NewFile(v *View, commands []string) bool {
 	return false
 }
 
+func GotoLine(v *View, commands []string) bool {
+	if len(commands) == 0 {
+		return false
+	}
+
+	lineNum, err := strconv.ParseInt(commands[0], 10, 64)
+	if err != nil {
+		log.Println("goto line invalid argument ", err.Error())
+		return false
+	}
+
+	b := v.getCurrentBuff()
+	if b == nil {
+		return false
+	}
+
+	b.gotoLine(lineNum)
+	return false
+}
+
 var actions = map[string]BufferAction{
+	"goto":         NewBufferAction("goto", GotoLine),
 	"new":          NewBufferAction("new", NewFile),
 	"save":         NewBufferAction("save", Save),
 	"delete_line":  NewBufferAction("delete_line", DeleteLine),

gui/buffer.go

@@ -4,6 +4,7 @@ import (
 	"fmt"
 	"io/ioutil"
 	"log"
+	"math"
 	"os"
 	"path"
 	"runtime"
@@ -438,6 +439,18 @@ func (b *Buffer) moveToEndOfLine() {
 	}
 }
 
+// TODO make this scroll auto magically.
+func (b *Buffer) gotoLine(num int64) {
+	distToMove := float64(num - int64(b.curs.y))
+	for i := int64(0); i < int64(math.Abs(distToMove)); i++ {
+		if distToMove < 0 {
+			b.moveUp()
+		} else {
+			b.moveDown()
+		}
+	}
+}
+
 func (b *Buffer) moveUp() {
 	if b.curs.y > 0 {
 		b.curs.move(0, -1)

gui/buffer_pane.go

@@ -19,18 +19,33 @@ func NewBufferPane(buff *Buffer) *BufferPane {
 	}
 }
 
+var lastWidth int
+
 func (b *BufferPane) renderMetaPanel(ctx *strife.Renderer) {
-	pad := 10
+	conf := b.Buff.cfg.Theme.Palette
+
+	pad := 6
 	mpY := (b.y + b.h) - (metaPanelHeight)
 
 	// panel backdrop
-	ctx.SetColor(strife.Black)
+	ctx.SetColor(strife.HexRGB(conf.Suggestion.Background))
 	ctx.Rect(b.x, mpY, b.w, metaPanelHeight, strife.Fill)
 
+	// tab info etc. on right hand side
+	{
+		tabSize := b.Buff.cfg.Editor.Tab_Size
+		syntaxName := "Undefined"
+
+		infoLine := fmt.Sprintf("Tab Size: %d    Syntax: %s", tabSize, syntaxName)
+		ctx.SetColor(strife.HexRGB(conf.Suggestion.Foreground))
+
+		lastWidth, _ = ctx.String(infoLine, ((b.x + b.w) - (lastWidth + (pad))), mpY+(pad/2)+1)
+	}
+
 	{
 		infoLine := fmt.Sprintf("Line %d, Column %d", b.Buff.curs.y, b.Buff.curs.x)
-		ctx.SetColor(strife.White)
-		_, strHeight := ctx.String(infoLine, b.x+(pad/2), mpY+(pad/2))
+		ctx.SetColor(strife.HexRGB(conf.Suggestion.Foreground))
+		_, strHeight := ctx.String(infoLine, b.x+pad, mpY+(pad/2)+1)
 		metaPanelHeight = strHeight + pad
 	}
 

gui/palette.go

@@ -123,7 +123,7 @@ func (b *CommandPalette) processCommand() {
 	tokenizedLine := strings.Split(b.buff.contents[0].String(), " ")
 	command := tokenizedLine[0]
 
-	log.Println(tokenizedLine)
+	log.Println("command palette: ", tokenizedLine)
 
 	action, exists := actions[command]
 	if !exists {