func (t *tbfe) renderView(v *backend.View, lay layout) {
p := util.Prof.Enter("render")
defer p.Exit()
sx, sy, w, h := lay.x, lay.y, lay.width, lay.height
sel := v.Sel()
vr := lay.visible
runes := v.Buffer().SubstrR(vr)
x, y := sx, sy
ex, ey := sx+w, sy+h
var (
lastScope string
lfg, lbg = defaultFg, defaultBg
)
tab_size, ok := v.Settings().Get("tab_size", 4).(int)
if !ok {
tab_size = 4
}
caret_style := termbox.AttrUnderline
if b, ok := v.Settings().Get("caret_style", "underline").(string); ok {
if b == "block" {
caret_style = termbox.AttrReverse
}
}
if b, ok := v.Settings().Get("inverse_caret_state", false).(bool); !b && ok {
if caret_style == termbox.AttrReverse {
caret_style = termbox.AttrUnderline
} else {
caret_style = termbox.AttrReverse
}
}
caret_blink := true
if b, ok := v.Settings().Get("caret_blink", true).(bool); ok {
caret_blink = b
}
highlight_line := false
if b, ok := v.Settings().Get("highlight_line", highlight_line).(bool); ok {
highlight_line = b
}
// TODO: much of this belongs in backend as it's not specific to any particular frontend
for i := range runes {
o := vr.Begin() + i
fg, bg := lfg, lbg
scope := v.ScopeName(o)
var lr Region
if highlight_line {
lr = v.Buffer().Line(o)
}
if scope != lastScope {
fg, bg = defaultFg, defaultBg
lastScope = scope
na := scope
for len(na) > 0 {
sn := na
i := strings.LastIndex(sn, " ")
if i != -1 {
sn = sn[i+1:]
}
if c, ok := schemelut[sn]; ok {
fg, bg = c[0], c[1]
break
}
if i2 := strings.LastIndex(na, "."); i2 == -1 {
break
} else if i > i2 {
na = na[:i]
} else {
na = strings.TrimSpace(na[:i2])
}
}
lfg, lbg = fg, bg
} else {
fg, bg = lfg, lbg
}
for _, r2 := range sel.Regions() {
if highlight_line && (lr.Contains(r2.A) || lr.Contains(r2.B)) {
// TODO: highlight color
bg |= termbox.AttrReverse
continue
}
if r2.Contains(o) {
if r2.Size() == 0 {
if !caret_blink || blink {
fg |= caret_style
}
break
} else if r2.Contains(o + 1) {
// TODO: selection color
fg |= termbox.AttrReverse
break
}
}
}
if runes[i] == '\t' {
add := (x + 1 + (tab_size - 1)) &^ (tab_size - 1)
for x < add {
if x < ex {
termbox.SetCell(x, y, ' ', fg, bg)
}
fg = fg &^ termbox.AttrUnderline // Just looks weird with a long underline
x++
}
continue
} else if runes[i] == '\n' {
for ; x < ex; x++ {
termbox.SetCell(x, y, ' ', fg, bg)
if !highlight_line {
break
}
}
x = sx
y++
if y > ey {
break
}
continue
}
if x < ex {
termbox.SetCell(x, y, runes[i], fg, bg)
}
x++
}
}
func (t *tbfe) renderView(sx, sy, w, h int, v *backend.View) {
sel := v.Sel()
substr := v.Buffer().Data()
vr := t.VisibleRegion(v)
lines := strings.Split(substr, "\n")
s, _ := v.Buffer().RowCol(vr.Begin())
e, _ := v.Buffer().RowCol(vr.End())
if e > 1 {
e = e - 1
if e > h {
s = e - h
}
}
off := len(strings.Join(lines[:s], "\n"))
lines = lines[s:e]
runes := []rune(strings.Join(lines, "\n"))
x, y := sx, sy
ex, ey := sx+w, sy+h
sub2 := ""
var (
lastScope string
lfg, lbg = defaultFg, defaultBg
)
tab_size, ok := v.Settings().Get("tab_size", 4).(int)
if !ok {
tab_size = 4
}
caret_style := termbox.AttrUnderline
if b, ok := v.Settings().Get("caret_style", "underline").(string); ok {
if b == "block" {
caret_style = termbox.AttrReverse
}
}
if b, ok := v.Settings().Get("inverse_caret_state", false).(bool); !b && ok {
if caret_style == termbox.AttrReverse {
caret_style = termbox.AttrUnderline
} else {
caret_style = termbox.AttrReverse
}
}
caret_blink := true
if b, ok := v.Settings().Get("caret_blink", true).(bool); ok {
caret_blink = b
}
for i := range runes {
sub2 += string(runes[i])
if x < ex {
o := off + len(sub2)
r := primitives.Region{o, o}
fg, bg := lfg, lbg
scope := v.ScopeName(o)
if scope != lastScope {
fg, bg = defaultFg, defaultBg
lastScope = scope
na := scope
for len(na) > 0 {
sn := na
i := strings.LastIndex(sn, " ")
if i != -1 {
sn = sn[i+1:]
}
if c, ok := schemelut[sn]; ok {
fg, bg = c[0], c[1]
break
}
if i2 := strings.LastIndex(na, "."); i2 == -1 {
break
} else if i > i2 {
na = na[:i]
} else {
na = strings.TrimSpace(na[:i2])
}
}
lfg, lbg = fg, bg
} else {
fg, bg = lfg, lbg
}
for _, r2 := range sel.Regions() {
if r2.B == r.B {
if !caret_blink || blink {
if r2.Contains(o) {
fg |= termbox.AttrReverse
} else {
fg |= caret_style
}
}
break
} else if r2.Contains(o) {
fg |= termbox.AttrReverse
break
}
}
if runes[i] == '\t' {
add := (x + 1 + (tab_size - 1)) &^ (tab_size - 1)
for x < add {
termbox.SetCell(x, y, ' ', fg, bg)
x++
}
continue
} else if runes[i] == '\n' {
termbox.SetCell(x, y, ' ', fg, bg)
x = sx
y++
if y > ey {
break
}
continue
}
termbox.SetCell(x, y, runes[i], fg, bg)
}
x++
}
}
func newQLimeView(v *backend.View) *QLimeView {
log4go.Debug("new_QLimeView entered")
defer log4go.Debug("new_QLimeView exited")
var ret QLimeView
ret.Widget = qt5.NewWidget()
ret.v = v
ret.Widget.OnPaintEvent(func(ev *qt5.PaintEvent) {
p := qt5.NewPainter()
defer p.Close()
p.Begin(ret)
b := v.Buffer()
ps := p.Font().PointSize()
pen := qt5.NewPen()
p.SetPen(pen)
brush := qt5.NewBrush()
brush.SetStyle(qt5.SolidPattern)
def := scheme.Settings[0]
p.SetBrush(brush)
f := p.Font()
f.SetFixedPitch(true)
p.SetFont(f)
brush.SetColor(color.RGBA(def.Settings["background"]))
p.DrawRect(ev.Rect())
is_widget, ok := v.Settings().Get("is_widget", false).(bool)
is_widget = ok && is_widget
pen.SetColor(color.RGBA(def.Settings["background"]))
p.SetPen(pen)
for y := 0; y < 20; y++ {
pos := b.TextPoint(y, 0)
line := b.Line(pos)
if is_widget {
p.DrawText(qt5.Point{0, (y + 1) * (ps + 2)}, b.Substr(line))
} else {
for line.Contains(pos) {
scope := primitives.Region{pos, pos}
sn := v.ScopeName(pos)
for line.Contains(pos) {
pos++
if v.ScopeName(pos) != sn {
scope.B = pos
break
}
}
is := line.Intersection(scope)
c := color.RGBA(def.Settings["foreground"])
s := scheme.ClosestMatchingSetting(sn)
if v, ok := s.Settings["foreground"]; ok {
c = color.RGBA(v)
}
pen.SetColor(c)
p.SetPen(pen)
_, col := b.RowCol(line.A)
p.DrawText(qt5.Point{col * ps / 2, (y + 1) * (ps + 2)}, b.Substr(is))
line.A = is.End()
}
}
}
})
ret.Widget.OnResizeEvent(func(ev *qt5.ResizeEvent) {
if w, ok := v.Settings().Get("is_widget", false).(bool); ok && !w {
ret.Widget.SetMinimumSize(qt5.Size{600, 100})
}
})
v.Settings().Set("lime.qt.widget", &ret)
return &ret
}