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package widgets
import (
"os/exec"
"github.com/gdamore/tcell"
"github.com/mattn/go-runewidth"
"git.sr.ht/~sircmpwn/aerc2/lib/ui"
)
type headerEditor struct {
ui.Invalidatable
name string
input *ui.TextInput
}
type Composer struct {
headers struct {
from *headerEditor
subject *headerEditor
to *headerEditor
}
editor *Terminal
grid *ui.Grid
focusable []ui.DrawableInteractive
focused int
}
// TODO: Let caller configure headers, initial body (for replies), etc
func NewComposer() *Composer {
grid := ui.NewGrid().Rows([]ui.GridSpec{
{ui.SIZE_EXACT, 3},
{ui.SIZE_WEIGHT, 1},
}).Columns([]ui.GridSpec{
{ui.SIZE_WEIGHT, 1},
})
// TODO: let user specify extra headers to edit by default
headers := ui.NewGrid().Rows([]ui.GridSpec{
{ui.SIZE_EXACT, 1}, // To/From
{ui.SIZE_EXACT, 1}, // Subject
{ui.SIZE_EXACT, 1}, // [spacer]
}).Columns([]ui.GridSpec{
{ui.SIZE_WEIGHT, 1},
{ui.SIZE_WEIGHT, 1},
})
headers.AddChild(newHeaderEditor("To", "Simon Ser <contact@emersion.fr>")).At(0, 0)
headers.AddChild(newHeaderEditor("From", "Drew DeVault <sir@cmpwn.com>")).At(0, 1)
headers.AddChild(newHeaderEditor("Subject", "Re: [PATCH RFC aerc2] widgets: fix StatusLine race")).At(1, 0).Span(1, 2)
headers.AddChild(ui.NewFill(' ')).At(2, 0).Span(1, 2)
// TODO: built-in config option, $EDITOR, then vi, in that order
// TODO: temp file
editor := exec.Command("vim")
term, _ := NewTerminal(editor)
grid.AddChild(headers).At(0, 0)
grid.AddChild(term).At(1, 0)
return &Composer{
grid: grid,
editor: term,
focused: 0,
focusable: []ui.DrawableInteractive{
term,
},
}
}
func (c *Composer) Draw(ctx *ui.Context) {
c.grid.Draw(ctx)
}
func (c *Composer) Invalidate() {
c.grid.Invalidate()
}
func (c *Composer) OnInvalidate(fn func(d ui.Drawable)) {
c.grid.OnInvalidate(func(_ ui.Drawable) {
fn(c)
})
}
// TODO: Focus various fields separately
// TODO: Consider having a different set of keybindings for a focused and
// unfocused terminal?
func (c *Composer) Event(event tcell.Event) bool {
if c.editor != nil {
return c.editor.Event(event)
}
return false
}
func (c *Composer) Focus(focus bool) {
if c.editor != nil {
c.editor.Focus(focus)
}
}
func newHeaderEditor(name string, value string) *headerEditor {
// TODO: Set default vaule to something sane, I guess
return &headerEditor{
input: ui.NewTextInput(value),
name: name,
}
}
func (he *headerEditor) Draw(ctx *ui.Context) {
name := he.name + " "
size := runewidth.StringWidth(name)
ctx.Fill(0, 0, size, ctx.Height(), ' ', tcell.StyleDefault)
ctx.Printf(0, 0, tcell.StyleDefault.Bold(true), "%s", name)
he.input.Draw(ctx.Subcontext(size, 0, ctx.Width()-size, 1))
}
func (he *headerEditor) Invalidate() {
he.DoInvalidate(he)
}
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