// Called when a new view is opened
func (t *qmlfrontend) onNew(v *backend.View) {
fv := &frontendView{bv: v}
v.Buffer().AddObserver(fv)
v.Settings().AddOnChange("blah", fv.onChange)
fv.Title.Text = v.Buffer().FileName()
if len(fv.Title.Text) == 0 {
fv.Title.Text = "untitled"
}
w2 := t.windows[v.Window()]
w2.views = append(w2.views, fv)
tabs := w2.window.ObjectByName("tabs")
tab := tabs.Call("addTab", "", limeViewComponent).(qml.Object)
try_now := func() {
item := tab.Property("item").(qml.Object)
if item.Addr() == 0 {
// Happens as the item isn't actually loaded until we switch to the tab.
// Hence connecting to the loaded signal
return
}
item.Set("myView", fv)
item.Set("fontSize", v.Settings().Get("font_size", 12).(float64))
item.Set("fontFace", v.Settings().Get("font_face", "Helvetica").(string))
}
tab.On("loaded", try_now)
try_now()
tabs.Set("currentIndex", tabs.Property("count").(int)-1)
}
// Called when a new view is opened
func (t *qmlfrontend) onNew(v *backend.View) {
fv := &frontendView{bv: v}
v.Buffer().AddCallback(fv.bufferChanged)
v.Settings().AddOnChange("blah", fv.onChange)
fv.Title.Text = v.Buffer().FileName()
if len(fv.Title.Text) == 0 {
fv.Title.Text = "untitled"
}
w2 := t.windows[v.Window()]
w2.views = append(w2.views, fv)
tabs := w2.window.ObjectByName("tabs")
tab := tabs.Call("addTab", "", limeViewComponent).(qml.Object)
try_now := func() {
item := tab.Property("item").(qml.Object)
if item.Addr() == 0 {
// Happens as the item isn't actually loaded until we switch to the tab.
// Hence connecting to the loaded signal
return
}
item.Set("myView", fv)
}
tab.On("loaded", try_now)
try_now()
}
func (t *tbfe) FormatLine(v *backend.View, line int) string {
buf := bytes.NewBuffer(nil)
vr := v.Buffer().Line(v.Buffer().TextPoint(line, 0))
log4go.Debug("FormatLine: %d, %s", line, vr)
if vr.Size() == 0 {
return ""
}
recipie := v.Transform(scheme, vr).Transcribe()
highlight_line := false
if b, ok := v.Settings().Get("highlight_line", highlight_line).(bool); ok {
highlight_line = b
}
lastEnd := vr.Begin()
for _, reg := range recipie {
if lastEnd != reg.Region.Begin() {
fmt.Fprintf(buf, "<span>%s</span>", v.Buffer().Substr(Region{lastEnd, reg.Region.Begin()}))
}
fmt.Fprintf(buf, "<span style=\"white-space:pre; color:#%s; background:#%s\">%s</span>", htmlcol(reg.Flavour.Foreground), htmlcol(reg.Flavour.Background), v.Buffer().Substr(reg.Region))
lastEnd = reg.Region.End()
}
if lastEnd != vr.End() {
io.WriteString(buf, v.Buffer().Substr(Region{lastEnd, vr.End()}))
}
return buf.String()
}
func (c *GlueMarkedUndoGroupsCommand) Run(v *backend.View, e *backend.Edit) error {
pos := v.UndoStack().Position()
mark, ok := v.Settings().Get(lime_cmd_mark).(int)
if !ok {
return fmt.Errorf("No mark in the current view")
}
if l, p := pos-mark, mark; p != -1 && (l-p) > 1 {
v.UndoStack().GlueFrom(mark)
}
return nil
}
func (t *tbfe) renderView(wr io.Writer, v *backend.View, lay layout) {
p := util.Prof.Enter("render")
defer p.Exit()
vr := lay.visible
runes := v.Buffer().Substr(vr)
recipie := v.Transform(scheme, vr).Transcribe()
highlight_line := false
if b, ok := v.Settings().Get("highlight_line", highlight_line).(bool); ok {
highlight_line = b
}
lastEnd := 0
for _, reg := range recipie {
if lastEnd != reg.Region.Begin() {
io.WriteString(wr, runes[lastEnd:reg.Region.Begin()])
}
fmt.Fprintf(wr, "<span style=\"color:#%s; background-color:#%s\">%s</span>", htmlcol(reg.Flavour.Foreground), htmlcol(reg.Flavour.Background), runes[reg.Region.Begin():reg.Region.End()])
lastEnd = reg.Region.End()
}
if lastEnd != vr.End() {
io.WriteString(wr, v.Buffer().Substr(Region{lastEnd, vr.End()}))
}
}
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
vr := lay.visible
runes := v.Buffer().Substr(vr)
x, y := sx, sy
ex, ey := sx+w, sy+h
style, _ := v.Settings().Get("caret_style", "underline").(string)
inverse, _ := v.Settings().Get("inverse_caret_state", false).(bool)
caretStyle := getCaretStyle(style, inverse)
caretBlink, _ := v.Settings().Get("caret_blink", true).(bool)
if caretBlink && blink {
caretStyle = 0
}
tabSize := 4
ts := v.Settings().Get("tab_size", tabSize)
// TODO(.): crikey...
if i, ok := ts.(int); ok {
tabSize = i
} else if f, ok := ts.(float64); ok {
tabSize = int(f)
}
lineNumbers, _ := v.Settings().Get("line_numbers", true).(bool)
recipie := v.Transform(scheme, vr).Transcribe()
fg, bg := defaultFg, defaultBg
sel := v.Sel()
line, _ := v.Buffer().RowCol(vr.Begin())
eofline, _ := v.Buffer().RowCol(v.Buffer().Size())
lineNumberRenderSize := len(intToRunes(eofline))
for i, r := range runes {
o := vr.Begin() + i
curr := 0
fg, bg = defaultFg, defaultBg
if lineNumbers {
renderLineNumber(&line, &x, y, lineNumberRenderSize, fg, bg)
}
for curr < len(recipie) && (o >= recipie[curr].Region.Begin()) {
if o < recipie[curr].Region.End() {
fg = palLut(textmate.Color(recipie[curr].Flavour.Foreground))
bg = palLut(textmate.Color(recipie[curr].Flavour.Background))
}
curr++
}
iscursor := sel.Contains(Region{o, o})
if iscursor {
fg = fg | caretStyle
termbox.SetCell(x, y, ' ', fg, bg)
}
if r == '\t' {
add := (x + 1 + (tabSize - 1)) &^ (tabSize - 1)
for x < add {
if x < ex {
termbox.SetCell(x, y, ' ', fg, bg)
}
// A long cursor looks weird
fg = fg & ^(termbox.AttrUnderline | termbox.AttrReverse)
x++
}
continue
} else if r == '\n' {
x = sx
if y++; y > ey {
break
} else if lineNumbers {
renderLineNumber(&line, &x, y, lineNumberRenderSize, fg, bg)
}
continue
}
if x < ex {
termbox.SetCell(x, y, r, fg, bg)
}
x++
}
fg, bg = defaultFg, defaultBg
// Need this if the cursor is at the end of the buffer
o := vr.Begin() + len(runes)
iscursor := sel.Contains(Region{o, o})
if iscursor {
fg = fg | caretStyle
termbox.SetCell(x, y, ' ', fg, bg)
}
// restore original caretStyle before blink modification
caretStyle = caretStyle
}
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
vr := lay.visible
runes := v.Buffer().Substr(vr)
x, y := sx, sy
ex, ey := sx+w, sy+h
style, _ := v.Settings().Get("caret_style", "underline").(string)
inverse, _ := v.Settings().Get("inverse_caret_state", false).(bool)
caretStyle := getCaretStyle(style, inverse)
oldCaretStyle := caretStyle
caretBlink, _ := v.Settings().Get("caret_blink", true).(bool)
if caretBlink && blink {
caretStyle = 0
}
tabSize := 4
if i, ok := v.Settings().Get("tab_size", tabSize).(int); ok {
tabSize = i
}
lineNumbers, _ := v.Settings().Get("line_numbers", true).(bool)
recipie := v.Transform(scheme, vr).Transcribe()
fg, bg := defaultFg, defaultBg
sel := v.Sel()
line, _ := v.Buffer().RowCol(vr.Begin())
eofline, _ := v.Buffer().RowCol(v.Buffer().Size())
lineNumberRenderSize := len(intToRunes(eofline))
for i, r := range runes {
o := vr.Begin() + i
curr := 0
fg, bg = defaultFg, defaultBg
if lineNumbers {
renderLineNumber(&line, &x, y, lineNumberRenderSize, fg, bg)
}
// TODO: doc
for curr < len(recipie) && (o >= recipie[curr].Region.Begin()) {
if o < recipie[curr].Region.End() {
fg = palLut(textmate.Color(recipie[curr].Flavour.Foreground))
bg = palLut(textmate.Color(recipie[curr].Flavour.Background))
}
curr++
}
iscursor := sel.Contains(Region{o, o})
if iscursor {
fg = fg | caretStyle
termbox.SetCell(x, y, ' ', fg, bg)
}
if r == '\t' {
add := (x + 1 + (tabSize - 1)) &^ (tabSize - 1)
for ; x < add; x++ {
if x < ex {
termbox.SetCell(x, y, ' ', fg, bg)
}
// A long cursor looks weird
fg = fg & ^(termbox.AttrUnderline | termbox.AttrReverse)
}
continue
} else if r == '\n' {
x = sx
if y++; y > ey {
break
} else if lineNumbers {
// This results in additional calls to renderLineNumber.
// Maybe just accumulate positions needing line numbers, rendering them
// after the loop?
renderLineNumber(&line, &x, y, lineNumberRenderSize, defaultFg, defaultBg)
}
continue
}
if x < ex {
termbox.SetCell(x, y, r, fg, bg)
}
x++
}
fg, bg = defaultFg, defaultBg
// Need this if the cursor is at the end of the buffer
o := vr.Begin() + len(runes)
iscursor := sel.Contains(Region{o, o})
if iscursor {
fg = fg | caretStyle
termbox.SetCell(x, y, ' ', fg, bg)
}
// restore original caretStyle before blink modification
caretStyle = oldCaretStyle
if rs := sel.Regions(); len(rs) > 0 {
if r := rs[len(rs)-1]; !vr.Covers(r) {
t.Show(v, r)
}
}
fg, bg = defaultFg, palLut(textmate.Color{28, 29, 26, 1})
y = t.window_layout.height - statusbarHeight
// Draw status bar bottom of window
for i := 0; i < t.window_layout.width; i++ {
termbox.SetCell(i, y, ' ', fg, bg)
}
t.renderLStatus(v, y, fg, bg)
// The right status
rns := []rune(fmt.Sprintf("Tab Size:%d %s", tabSize, "Go"))
x = t.window_layout.width - 1 - len(rns)
addRunes(x, y, rns, fg, bg)
}
func (c *MaybeMarkUndoGroupsForGluingCommand) Run(v *backend.View, e *backend.Edit) error {
if !v.Settings().Has(lime_cmd_mark) {
v.Settings().Set(lime_cmd_mark, v.UndoStack().Position())
}
return nil
}
func (c *UnmarkUndoGroupsForGluingCommand) Run(v *backend.View, e *backend.Edit) error {
v.Settings().Erase(lime_cmd_mark)
return nil
}
func getSettings(v *backend.View) *FrontendSettings {
style, _ := v.Settings().Get("caret_style", "underline").(string)
inverse, _ := v.Settings().Get("inverse_caret_state", false).(bool)
return &FrontendSettings{
v.Settings().Get("tab_size", 4).(int),
v.Settings().Get("caret_blink", true).(bool),
v.Settings().Get("highlight_line", false).(bool),
getCaretStyle(style, inverse),
v.Settings().Get("line_numbers", true).(bool),
}
}