/
tabbar.go
170 lines (144 loc) · 3.06 KB
/
tabbar.go
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package main
import (
"fmt"
"strings"
"github.com/jroimartin/gocui"
)
type tabfn func(v *gocui.View, refresh bool)
type tabbar struct {
options []string
handlers map[string]tabfn
selected, last int
}
func (self *tabbar) renderBar(v *gocui.View) {
v.Clear()
for i, vs := range self.options {
if i == self.selected {
fmt.Fprintf(v, " [%s]", strings.ToUpper(vs))
} else {
fmt.Fprintf(v, " %s", vs)
}
}
}
func (self *tabbar) nextTab() {
self.selected = (self.selected + 1) % len(self.options)
}
func (self *tabbar) switchTo(which string) {
for i, v := range self.options {
if v == which {
self.selected = i
redraw()
return
}
}
}
func (self *tabbar) renderView(sx, sy, ex, ey int) {
bar, _ := g.View("tabbar")
self.renderBar(bar)
v, err := g.SetView("tabview", sx, sy, ex, ey)
if err != nil {
v.Editable = true
}
refresh := false
if self.selected != self.last {
v.Clear()
v.SetOrigin(0, 0)
refresh = true
self.last = self.selected
}
self.handlers[self.options[self.selected]](v, refresh)
}
// BUG(tqbf): obviously clean this up
func renderLog(v *gocui.View, refresh bool) {
v.Wrap = true
Log.draw(v, refresh)
}
func renderOutput(v *gocui.View, refresh bool) {
v.Wrap = true
Output.draw(v, refresh)
}
func renderSource(v *gocui.View, refresh bool) {
v.Wrap = true
v.Autoscroll = false
Source.draw(v, refresh)
}
func renderVm(v *gocui.View, refresh bool) {
v.Wrap = true
v.Autoscroll = false
VM.draw(v, refresh)
}
func renderDump(v *gocui.View, refresh bool) {
v.Wrap = true
v.Autoscroll = false
Dump.draw(v, refresh)
}
func renderStack(v *gocui.View, refresh bool) {
v.Wrap = true
v.Autoscroll = false
Stack.draw(v, refresh)
}
func renderHelp(v *gocui.View, refresh bool) {
v.Wrap = true
v.Autoscroll = false
Help.draw(v, refresh)
}
func (self *tabbar) current() string {
return self.options[self.selected]
}
func (self *tabbar) bottom() {
g.Execute(func(g *gocui.Gui) error {
v, _ := g.View("tabview")
cx, _ := v.Cursor()
_, sy := v.Size()
lines := strings.Count(v.Buffer(), "\n")
if lines > sy {
if err := v.SetCursor(cx, lines-(sy-1)); err != nil {
ox, _ := v.Origin()
if err := v.SetOrigin(ox, lines-(sy-1)); err != nil {
return err
}
}
}
redraw()
return nil
})
}
func (self *tabbar) down() {
if self.current() == "dump" {
Dump.deliver(event{kind: DOWN})
return
}
g.Execute(func(g *gocui.Gui) error {
v, _ := g.View("tabview")
cx, cy := v.Cursor()
_, sy := v.Size()
v.Autoscroll = false
if err := v.SetCursor(cx, cy+sy+10); err != nil {
ox, oy := v.Origin()
if err := v.SetOrigin(ox, oy+10); err != nil {
return err
}
}
redraw()
return nil
})
}
func (self *tabbar) up() {
if self.current() == "dump" {
Dump.deliver(event{kind: UP})
return
}
g.Execute(func(*gocui.Gui) error {
v, _ := g.View("tabview")
ox, oy := v.Origin()
cx, cy := v.Cursor()
v.Autoscroll = false
if err := v.SetCursor(cx, cy-10); err != nil && oy > 0 {
if err := v.SetOrigin(ox, oy-10); err != nil {
return err
}
}
redraw()
return nil
})
}