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win.go
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win.go
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package main
import (
"bytes"
_ "embed"
"image"
"image/draw"
"image/png"
"math"
"os"
"path/filepath"
"runtime"
"strconv"
"strings"
"sync"
"time"
"github.com/aarzilli/yacco/buf"
"github.com/aarzilli/yacco/config"
"github.com/aarzilli/yacco/edit"
"github.com/aarzilli/yacco/edutil"
"github.com/aarzilli/yacco/hl"
"github.com/aarzilli/yacco/textframe"
"github.com/aarzilli/yacco/util"
"golang.org/x/exp/shiny/screen"
"golang.org/x/mobile/event/key"
"golang.org/x/mobile/event/lifecycle"
"golang.org/x/mobile/event/mouse"
"golang.org/x/mobile/event/paint"
"golang.org/x/mobile/event/size"
)
type Window struct {
screen screen.Screen
wnd screen.Window
wndb screen.Buffer
img *image.RGBA
bounds image.Rectangle
cols *Cols
tagfr textframe.Frame
tagbuf *buf.Buffer
Words []string
Prop map[string]string
lastWhere image.Point
invalidRects []image.Rectangle
uploadMutex sync.Mutex
uploaderRunning bool
}
type LogicalPos struct {
col *Col
ed *Editor
tagfr *textframe.Frame
tagbuf *buf.Buffer
sfr *textframe.ScrollFrame
bodybuf *buf.Buffer
notReallyOnTag bool
onButton bool
}
type activeSelStruct struct {
ed *Editor
zeroxEd *Editor
path string
txt string
p int
}
//go:embed 128.png
var iconPngBytes []byte
var activeSel, lastLoadSel activeSelStruct
var activeEditor *Editor = nil
var activeCol *Col = nil
var HasFocus = true
var LastTypeTime time.Time
func (as *activeSelStruct) Set(lp LogicalPos) {
if (lp.bodybuf == nil) || (lp.sfr == nil) {
return
}
as.zeroxEd = lp.ed
if lp.sfr.Fr.Sel.S == lp.sfr.Fr.Sel.E {
return
}
as.ed = lp.ed
as.path = filepath.Join(lp.bodybuf.Dir, lp.bodybuf.Name)
as.txt = string(lp.bodybuf.SelectionRunes(lp.sfr.Fr.Sel))
}
func (as *activeSelStruct) Set2(lp LogicalPos, p int) {
if (lp.bodybuf == nil) || (lp.sfr == nil) {
return
}
as.zeroxEd = lp.ed
as.ed = lp.ed
as.path = filepath.Join(lp.bodybuf.Dir, lp.bodybuf.Name)
as.txt = string(lp.bodybuf.SelectionRunes(lp.sfr.Fr.Sel))
as.p = p
}
func (as *activeSelStruct) Reset() {
as.ed = nil
as.path = ""
as.txt = ""
}
func (w *Window) Close() {
if w.wndb != nil {
w.wndb.Release()
}
w.wnd.Release()
}
func must(err error) {
if err != nil {
panic(err)
}
}
func (w *Window) Init(s screen.Screen, width, height int) (err error) {
w.Prop = make(map[string]string)
w.Prop["indentchar"] = "\t"
w.Prop["font"] = "main"
w.Prop["lookexact"] = "no"
w.Words = []string{}
icon, err := png.Decode(bytes.NewReader(iconPngBytes))
w.screen = s
w.wnd, err = s.NewWindow(&screen.NewWindowOptions{Width: width, Height: height, Class: "Yacco", Icon: icon})
if err != nil {
return err
}
w.setupBuffer(image.Point{width, height})
w.SetTitle("Yacco")
//w.wnd.SetClass("yacco", "Yacco")
w.cols = NewCols(w, w.bounds)
cwd, _ := os.Getwd()
w.tagbuf, err = buf.NewBuffer(cwd, "+Tag", true, Wnd.Prop["indentchar"], hl.NilHighlighter)
if err != nil {
return err
}
w.tagfr = textframe.Frame{
Font: config.TagFont,
Scroll: func(sd, sl int) {},
ExpandSelection: edutil.MakeExpandSelectionFn(w.tagbuf),
Hackflags: textframe.HF_TRUNCATE,
VisibleTick: false,
Flush: w.FlushImage,
Colors: tagColors,
}
w.tagbuf.AddSel(&w.tagfr.Sel)
w.tagbuf.AddSel(&w.tagfr.PMatch)
util.Must(err, "Editor initialization failed")
util.Must(w.tagfr.Init(5), "Editor initialization failed")
w.GenTag()
w.calcRects()
w.padDraw()
w.tagfr.Redraw(false, nil)
w.cols.Redraw()
return nil
}
func (w *Window) WarpMouse(p image.Point) {
w.wnd.WarpMouse(p)
}
func (w *Window) SetTitle(title string) {
w.wnd.SetTitle(title)
}
func (w *Window) FlushImage(rects ...image.Rectangle) {
if len(rects) == 0 {
rects = append(rects, w.bounds)
}
w.invalidRects = append(w.invalidRects, rects...)
if w.uploaderIsRunning() {
return
}
rects = make([]image.Rectangle, 0, len(w.invalidRects))
for i := range w.invalidRects {
w.invalidRects[i] = w.bounds.Intersect(w.invalidRects[i])
if w.invalidRects[i].Dx() <= 0 || w.invalidRects[i].Dy() <= 0 {
continue
}
add := true
for j := range rects {
if w.invalidRects[i].In(rects[j]) {
add = false
break
}
}
if add {
rects = append(rects, w.invalidRects[i])
}
}
w.invalidRects = w.invalidRects[:0]
if len(rects) == 0 {
return
}
drawTooltip, drawCompl := false, false
for _, rect := range rects {
if !rect.Intersect(Tooltip.R).Empty() {
drawTooltip = Tooltip.Visible
}
if !rect.Intersect(Compl.R).Empty() {
drawCompl = Compl.Visible
}
draw.Draw(w.wndb.RGBA(), rect, w.img, rect.Min, draw.Src)
}
if drawTooltip {
draw.Draw(w.wndb.RGBA(), Tooltip.R, Tooltip.B, image.ZP, draw.Src)
}
if drawCompl {
draw.Draw(w.wndb.RGBA(), Compl.R, Compl.B, image.ZP, draw.Src)
}
w.uploaderRunning = true
go w.upload(rects)
}
func (w *Window) upload(rects []image.Rectangle) {
defer func() {
w.uploadMutex.Lock()
w.uploaderRunning = false
w.uploadMutex.Unlock()
// runs a check for outstanding redraw requests that were queued while we were uploading
select {
case sideChan <- func() { w.FlushImage(image.Rect(0, 0, 0, 0)) }:
default:
}
}()
/*
for _, rect := range rects {
rect := w.bounds.Intersect(rect)
if rect.Dx() > 0 && rect.Dy() > 0 {
w.wnd.Upload(rect.Min, w.wndb, rect)
}
}*/
w.wnd.Upload(w.bounds.Min, w.wndb, w.bounds)
w.wnd.Publish()
}
func (w *Window) uploaderIsRunning() bool {
w.uploadMutex.Lock()
defer w.uploadMutex.Unlock()
return w.uploaderRunning
}
func (w *Window) calcRects() {
r := w.bounds
colsr := r
colsr.Min.Y += TagHeight(&w.tagfr)
w.cols.SetRects(w, w.img, r.Intersect(colsr))
w.tagfr.R = r
w.tagfr.R.Min.X += config.ScrollWidth
w.tagfr.R.Max.Y = w.tagfr.R.Min.Y + TagHeight(&w.tagfr)
w.tagfr.R = r.Intersect(w.tagfr.R)
w.tagfr.B = w.img
w.BufferRefresh()
}
func (w *Window) padDraw() {
pad := w.bounds
draw.Draw(w.img, pad, &config.TheColorScheme.WindowBG, pad.Min, draw.Src)
pad.Max.X = config.ScrollWidth
pad.Max.Y = TagHeight(&Wnd.tagfr)
draw.Draw(w.img, w.bounds.Intersect(pad), &config.TheColorScheme.TagPlain[0], w.bounds.Intersect(pad).Min, draw.Src)
}
func (w *Window) Resized(sz image.Point) {
if sz.X == w.bounds.Dx() && sz.Y == w.bounds.Dy() {
return
}
if sz.X <= w.wndb.Bounds().Dx() && sz.Y <= w.wndb.Bounds().Dy() {
w.bounds = w.wndb.Bounds()
w.bounds.Max.Y = w.bounds.Min.Y + sz.Y
w.bounds.Max.X = w.bounds.Min.X + sz.X
w.invalidRects = w.invalidRects[:0]
w.RedrawHard()
return
}
for w.uploaderIsRunning() {
time.Sleep(20 * time.Millisecond)
}
w.invalidRects = w.invalidRects[:0]
if w.wndb != nil {
w.wndb.Release()
}
w.setupBuffer(sz)
w.RedrawHard()
}
func (w *Window) setupBuffer(sz image.Point) {
var err error
w.wndb, err = w.screen.NewBuffer(sz)
util.Must(err, "Buffer allocation failed")
w.img = image.NewRGBA(w.wndb.Bounds())
w.bounds = w.wndb.Bounds()
}
func (w *Window) RedrawHard() {
w.calcRects()
w.padDraw()
w.cols.Redraw()
w.tagfr.Invalidate()
w.tagfr.Redraw(false, nil)
w.FlushImage()
}
func (w *Window) EventLoop() {
wndEvents_ := FilterEvents(Wnd.wnd, config.AltingList, config.KeyConversion)
wndEvents := make(chan util.EventOrRunnable)
go func() {
for {
select {
case uie := <-wndEvents_:
wndEvents <- util.NewEvent(uie)
case se := <-sideChan:
wndEvents <- util.NewRunnable(se)
}
}
}()
lastWordUpdate := time.Now()
for uie := range wndEvents {
w.UiEventLoop(&uie, wndEvents)
// update completions dictionary at least once every 10 minutes
if time.Now().Sub(lastWordUpdate) >= time.Duration(10*time.Minute) {
lastWordUpdate = time.Now()
for i := range Wnd.cols.cols {
for j := range Wnd.cols.cols[i].editors {
Wnd.cols.cols[i].editors[j].bodybuf.UpdateWords()
}
}
}
}
FsQuit()
}
func (w *Window) UiEventLoop(ei *util.EventOrRunnable, events <-chan util.EventOrRunnable) {
switch e := ei.EventOrRun().(type) {
case paint.Event:
w.FlushImage()
case lifecycle.Event:
if e.To == lifecycle.StageDead {
for w.uploaderIsRunning() {
time.Sleep(20 * time.Millisecond)
}
w.Close()
FsQuit()
}
case size.Event:
HideCompl(true)
Wnd.Resized(e.Size())
case mouse.Event:
if e.Direction != mouse.DirNone {
return
}
if time.Since(LastTypeTime) < 500*time.Millisecond {
return
}
p := image.Point{int(e.X), int(e.Y)}
if Tooltip.Visible && p.In(Tooltip.R) {
return
}
HideCompl(false)
w.lastWhere = p
Wnd.SetTick(w.lastWhere)
case util.MouseDownEvent:
if Tooltip.Visible && e.Where.In(Tooltip.R) && (e.Which == mouse.ButtonRight || e.Which == mouse.ButtonMiddle) {
lp := TooltipClick(e)
switch e.Which {
case mouse.ButtonRight:
clickExec3(lp, e.Modifiers&key.ModShift != 0)
case mouse.ButtonMiddle:
clickExec2(lp)
}
HideCompl(true)
return
}
HideCompl(true)
w.lastWhere = e.Where
lp := w.TranslatePosition(e.Where, true)
if (lp.tagfr != nil) && lp.notReallyOnTag && (lp.ed != nil) {
if lp.ed.eventChanSpecial {
// requests look to exit
util.FmteventBase(lp.ed.eventChan, util.EO_MOUSE, false, util.ET_BODYINS, 0, 0, "", nil)
}
lp = w.TranslatePosition(e.Where, false)
}
if lp.tagfr != nil {
ee, could := specialDblClick(lp.tagbuf, lp.tagfr, e, events)
if !could {
ee = lp.tagfr.OnClick(e, events)
}
clickExec(lp, e, ee, events)
if (lp.tagfr.Sel.S == 0) && (lp.tagfr.Sel.E == lp.tagbuf.Size()) && (lp.tagbuf.EditableStart >= 0) {
lp.tagfr.Sel.S = lp.tagbuf.EditableStart
lp.tagfr.Redraw(true, nil)
}
break
}
if lp.sfr != nil {
if e.Where.In(lp.sfr.Fr.R) {
ee, could := specialDblClick(lp.bodybuf, &lp.sfr.Fr, e, events)
if !could {
_, ee = lp.sfr.OnClick(e, events)
}
clickExec(lp, e, ee, events)
} else {
lp.sfr.OnClick(e, events)
}
break
}
if (lp.ed != nil) && lp.onButton { // clicked on editor's resize handle
w.EditorMove(lp.col, lp.ed, e, events)
break
}
if lp.col != nil {
if lp.onButton { // clicked on column's resize handle
if e.Count == 2 {
eqcol()
} else {
w.ColResize(lp.col, e, events)
}
}
activeEditor = nil
activeCol = lp.col
}
case util.WheelEvent:
HideCompl(true)
lp := w.TranslatePosition(e.Where, false)
if lp.sfr != nil {
if e.Count > 0 {
lp.sfr.Fr.Scroll(+1, 2*e.Count)
} else {
lp.sfr.Fr.Scroll(-1, -2*e.Count)
}
} else if (lp.ed != nil) && (lp.tagfr != nil) {
lp.ed.expandedTag = e.Count > 0
lp.ed.TagRefresh()
}
case key.Event:
switch e.Direction {
case key.DirPress, key.DirNone:
lp := w.TranslatePosition(w.lastWhere, true)
w.Type(lp, e)
}
}
}
func TagHeight(tagfr *textframe.Frame) int {
fm := tagfr.Font.Metrics()
return (fm.Ascent + fm.Descent).Floor()
}
func TagSetEditableStart(tagbuf *buf.Buffer) {
c := string(tagbuf.SelectionRunes(util.Sel{0, tagbuf.Size()}))
idx := strings.Index(c, " | ")
if idx >= 0 {
tagbuf.EditableStart = idx + 3
}
}
func (w *Window) HideAllTicks() {
HasFocus = false
for _, col := range w.cols.cols {
for _, editor := range col.editors {
if editor.tagfr.VisibleTick {
editor.tagfr.VisibleTick = false
editor.tagfr.Redraw(true, nil)
}
if editor.sfr.Fr.VisibleTick {
editor.sfr.Fr.VisibleTick = false
editor.sfr.Fr.Redraw(true, nil)
}
}
}
}
// Gets the thing under a specified point (the point is usually the mouse cursor)
// Things that don't apply are nil:
// - the top tag will have only tagfr set and everything else nil
// - the tag of a editor will have col, editor and tagfr set but no sfr
// - the body of a editor will have col, editor, sfr but no tagfr (but it could also be the scroll bar)
// - the resize handle will have col and editor, but nothing else
func (w *Window) TranslatePosition(p image.Point, abideSpecial bool) (lp LogicalPos) {
if p.In(w.tagfr.R) {
lp.tagfr = &w.tagfr
lp.tagbuf = w.tagbuf
return
}
for _, curcol := range w.cols.cols {
if !p.In(curcol.r) {
continue
}
lp.col = curcol
if p.In(lp.col.tagfr.R) {
lp.tagfr = &lp.col.tagfr
lp.tagbuf = lp.col.tagbuf
return
}
for _, cureditor := range lp.col.editors {
if !p.In(cureditor.r) {
continue
}
lp.ed = cureditor
if p.In(lp.ed.tagfr.R) {
lp.tagfr = &lp.ed.tagfr
lp.tagbuf = lp.ed.tagbuf
}
if lp.ed.sfr.Under(p) {
if lp.ed.eventChanSpecial && abideSpecial {
lp.tagfr = &lp.ed.tagfr
lp.tagbuf = lp.ed.tagbuf
lp.notReallyOnTag = true
} else {
lp.sfr = &lp.ed.sfr
lp.bodybuf = lp.ed.bodybuf
}
}
lp.onButton = p.In(lp.ed.rhandle)
return
}
lp.onButton = p.In(lp.col.btnr)
return
}
return
}
func (w *Window) SetTick(p image.Point) {
HasFocus = true
lp := w.TranslatePosition(p, true)
if lp.tagfr != nil {
if !lp.tagfr.VisibleTick {
lp.tagfr.VisibleTick = true
lp.tagfr.Redraw(true, nil)
}
}
if lp.sfr != nil {
if !lp.sfr.Fr.VisibleTick {
lp.sfr.Fr.VisibleTick = true
lp.sfr.Redraw(true, nil)
}
}
if (&w.tagfr != lp.tagfr) && w.tagfr.VisibleTick {
w.tagfr.VisibleTick = false
w.tagfr.Redraw(true, nil)
}
for _, col := range w.cols.cols {
if col.tagfr.VisibleTick && (&col.tagfr != lp.tagfr) {
col.tagfr.VisibleTick = false
col.tagfr.Redraw(true, nil)
}
for _, editor := range col.editors {
if editor.tagfr.VisibleTick && (&editor.tagfr != lp.tagfr) {
editor.tagfr.VisibleTick = false
editor.tagfr.Redraw(true, nil)
}
if editor.sfr.Fr.VisibleTick && (&editor.sfr != lp.sfr) {
editor.sfr.Fr.VisibleTick = false
editor.sfr.Fr.Redraw(true, nil)
}
}
}
}
func dist(a, b image.Point) float32 {
dx := a.X - b.X
dy := a.Y - b.Y
return float32(math.Sqrt(float64(dx*dx + dy*dy)))
}
func (w *Window) EditorMove(col *Col, ed *Editor, e util.MouseDownEvent, events <-chan util.EventOrRunnable) {
w.wnd.SetCursor(screen.FleurCursor)
startPos := e.Where
endPos := startPos
var colChangeTime time.Time
loop:
for ei := range events {
runtime.Gosched()
e, ismouse := ei.EventOrRun().(mouse.Event)
if !ismouse {
continue
}
switch e.Direction {
case mouse.DirRelease:
break loop
case mouse.DirPress:
w.wnd.SetCursor(screen.NormalCursor)
return // cancelled
case mouse.DirNone:
endPos = image.Point{int(e.X), int(e.Y)}
// a bit of X stickiness after crossing columns
if colChangeTime != (time.Time{}) {
if time.Now().Sub(colChangeTime) < (time.Millisecond * 500) {
endPos.X = ed.r.Min.X + config.ScrollWidth/2
w.WarpMouse(endPos)
} else {
colChangeTime = time.Time{}
}
}
if !endPos.In(Wnd.cols.r) {
break
}
if col.IndexOf(ed) == 0 {
// first editor isn't moved unless we dragged the button past the second editor in the column
mlp := w.TranslatePosition(endPos, true)
if ((mlp.ed == nil) && (mlp.col == col)) || (mlp.ed == ed) {
break
}
}
col.Remove(col.IndexOf(ed))
// to switch to a column to the left we need to be at least 50 pixels into it
if ed.r.Min.X-50 < endPos.X && endPos.X < ed.r.Min.X {
endPos.X = ed.r.Min.X + 1
}
mlp := w.TranslatePosition(endPos, true)
dstcol := mlp.col
dsted := mlp.ed
if dstcol == nil {
dstcol = col
}
if dsted == nil {
if len(col.editors) > 0 {
dsted = col.editors[0]
}
}
if dsted == nil {
dstcol.AddAfter(ed, -1, -1, true)
} else {
wobble := false
if dsted.size < ed.MinHeight()+dsted.MinHeight() {
wobble = true
} else {
if dsted.r.Max.Y-endPos.Y < ed.MinHeight() {
endPos.Y = dsted.r.Max.Y - ed.MinHeight()
}
if my := dsted.r.Min.Y + dsted.MinHeight(); endPos.Y < my {
endPos.Y = my
}
if endPos.Y > dsted.r.Max.Y {
endPos.Y = dsted.r.Max.Y
}
}
dstcol.AddAfter(ed, dstcol.IndexOf(dsted), endPos.Y, wobble)
}
if dstcol != col {
colChangeTime = time.Now()
ed.WarpToHandle()
}
col = dstcol
w.FlushImage()
}
}
w.wnd.SetCursor(screen.NormalCursor)
if dist(startPos, endPos) < 10 {
d := endPos.Sub(ed.r.Min)
switch e.Which {
case mouse.ButtonLeft:
w.GrowEditor(col, ed, &d)
case mouse.ButtonRight: // Maximize
ed.size = col.contentArea()
edidx := -1
for i, oed := range col.editors {
if oed == ed {
edidx = i
continue
}
oed.size = oed.MinHeight()
ed.size -= oed.size
}
if edidx > 0 {
copy(col.editors[1:edidx+1], col.editors[0:edidx])
col.editors[0] = ed
}
col.RecalcRects(col.last)
p := ed.r.Min
w.WarpMouse(p.Add(d))
col.Redraw()
w.FlushImage(col.r)
}
}
}
func shrinkEditor(ed *Editor, max int) int {
mh := ed.MinHeight()
s := ed.size / 2
if ed.size-s < mh {
s = ed.size - mh
}
if s > max {
s = max
}
ed.size -= s
return s
}
func (w *Window) GrowEditor(col *Col, ed *Editor, d *image.Point) {
mh := ed.MinHeight()
want := ed.size / 2
if want < mh*3 {
want = mh * 3
}
idx := col.IndexOf(ed)
for off := 1; off < len(col.editors); off++ {
i := idx + off
if i < len(col.editors) {
s := shrinkEditor(col.editors[i], want)
want -= s
ed.size += s
}
i = idx - off
if i >= 0 {
s := shrinkEditor(col.editors[i], want)
want -= s
ed.size += s
}
if want <= 0 {
break
}
}
col.RecalcRects(col.last)
col.Redraw()
w.FlushImage(col.r)
if d != nil {
ed.WarpToHandle()
}
}
func (w *Window) ColResize(col *Col, e util.MouseDownEvent, events <-chan util.EventOrRunnable) {
w.wnd.SetCursor(screen.FleurCursor)
startPos := e.Where
endPos := startPos
loop:
for ei := range events {
runtime.Gosched()
e, ismouse := ei.EventOrRun().(mouse.Event)
if !ismouse {
continue
}
switch e.Direction {
case mouse.DirRelease:
break loop
case mouse.DirPress:
w.wnd.SetCursor(screen.NormalCursor)
return // cancelled
case mouse.DirNone:
endPos = image.Point{int(e.X), int(e.Y)}
if !endPos.In(Wnd.cols.r) {
break
}
if w.cols.IndexOf(col) == 0 {
// first column isn't resized unless we dragged the button past the second column
mlp := w.TranslatePosition(endPos, true)
if (mlp.col == nil) || (mlp.col == col) {
break
}
}
w.cols.Remove(w.cols.IndexOf(col))
w.cols.RecalcRects()
mlp := w.TranslatePosition(endPos, true)
dstcol := mlp.col
if dstcol == nil {
w.cols.AddAfter(col, -1, 0.5)
} else {
dstw := endPos.X - dstcol.r.Min.X
if dstw < 0 {
dstw = 0
}
w.cols.AddAfter(col, w.cols.IndexOf(dstcol), 1-float64(dstw)/float64(dstcol.Width()))
}
w.FlushImage()
}
}
w.wnd.SetCursor(screen.NormalCursor)
}
func (lp *LogicalPos) asExecContext(chord bool) ExecContext {
var ec = ExecContext{
col: lp.col,
ed: lp.ed,
}
if ec.ed != nil {
ec.eventChan = ec.ed.eventChan
n := ec.ed.bodybuf.Name
if (len(n) > 0) && (n[len(n)-1] == '/') {
ec.dir = filepath.Join(ec.ed.bodybuf.Dir, n)
} else {
ec.dir = ec.ed.bodybuf.Dir
}
} else {
ec.dir = Wnd.tagbuf.Dir
}
// commands executed with a keybinding always have the focused thing as the context
// commands executed with mouse clicks will always have an editor's body as context
// The picked body will be:
// - the body of the current editor if we are on a tag
// - the body of the activeEditor otherwise
// the activeEditor is the last editor where a command was executed, or text was typed
// selecting stuff is not enough to make an editor the active editor
if chord {
if lp.tagfr != nil {
ec.fr = lp.tagfr
ec.buf = lp.tagbuf
ec.br = lp.bufferRefreshable(true)
} else if lp.sfr != nil {
ec.fr = &lp.sfr.Fr
ec.buf = lp.bodybuf
ec.br = lp.bufferRefreshable(false)
}
} else {
if lp.ed != nil {
ec.br = lp.ed.BufferRefresh
ec.fr = &lp.ed.sfr.Fr
ec.buf = lp.ed.bodybuf
} else if lp.tagfr != &Wnd.tagfr {
ec.br = activeEditor.BufferRefresh
if activeEditor != nil {
ec.fr = &activeEditor.sfr.Fr
ec.buf = activeEditor.bodybuf
}
}
}
return ec
}
func (lp *LogicalPos) bufferRefreshable(ontag bool) func() {
if lp.ed != nil {
if ontag {
return lp.ed.TagRefresh
} else {
return lp.ed.BufferRefresh
}
} else if lp.col != nil {
return lp.col.BufferRefresh
} else {
return Wnd.BufferRefresh
}
}
func (w *Window) Type(lp LogicalPos, e key.Event) {
ec := lp.asExecContext(true)
otherKeys := func() {
ec := lp.asExecContext(true)
//fmt.Printf("keypress: <%s>\n", util.KeyEvent(e))
estr := util.KeyEvent(e)
if ec.ed != nil && ec.eventChan != nil && ec.ed.bodybuf.Props["send-arrows"] == "1" && ((estr == "up_arrow") || (estr == "down_arrow")) {
dir := "↑"
if estr == "down_arrow" {
dir = "↓"
}
util.Fmtevent2(ec.eventChan, util.EO_MOUSE, true, true, false, 0, 0, 0, dir, nil)
} else if fcmd, ok := KeyBindings[estr]; ok {
LastTypeTime = time.Time{}
HideCompl(false)
//println("Execute command: <" + cmd + ">")
fcmd.F(ec)
if Tooltip.Visible {
// hide tooltip if we moved to a position where it shouldn't be visible
HideCompl(false)
}
} else if e.Rune > 0 {
LastTypeTime = time.Now()
if lp.tagfr == nil && ec.ed != nil {
activeEditor = ec.ed
activeCol = nil
}
if ec.buf != nil {
ec.buf.Replace([]rune{e.Rune}, &ec.fr.Sel, true, ec.eventChan, util.EO_KBD)
ec.br()
Compl.Start(ec, 0)
}
}
}
insertTab := func() {
HideCompl(false)
tch := "\t"
if (ec.ed != nil) && (ec.ed.bodybuf == ec.buf) {
tch = ec.ed.bodybuf.Props["indentchar"]
}
ec.buf.Replace([]rune(tch), &ec.fr.Sel, true, ec.eventChan, util.EO_KBD)
ec.br()
}
if e.Modifiers != 0 {
otherKeys()
return
}
switch e.Code {
case key.CodeEscape:
if HideCompl(true) {
return
}
if lp.ed != nil && lp.ed.eventChanSpecial {
lp.ed.sfr.Fr.VisibleTick = true
util.Fmtevent2(ec.ed.eventChan, util.EO_KBD, true, false, false, 0, 0, 0, "Escape", nil)
return
}
if ec.buf != nil {