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authorDrew DeVault <sir@cmpwn.com>2019-05-12 00:06:09 -0400
committerDrew DeVault <sir@cmpwn.com>2019-05-12 00:06:09 -0400
commit577248f5e15d98a9a6522a605acd434059582bfc (patch)
tree890e305c723c4c21c9fba071571ee0d010be1183 /widgets/compose.go
parentc05e5f73f29566812b7623311db8c6196c7be063 (diff)
Add initial compose widget
Diffstat (limited to 'widgets/compose.go')
-rw-r--r--widgets/compose.go122
1 files changed, 122 insertions, 0 deletions
diff --git a/widgets/compose.go b/widgets/compose.go
new file mode 100644
index 0000000..cf3dac9
--- /dev/null
+++ b/widgets/compose.go
@@ -0,0 +1,122 @@
+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)
+}