init: pristine aerc 0.20.0 source

commands/account/split.go

@@ -0,0 +1,82 @@
+package account
+
+import (
+	"errors"
+	"strconv"
+	"strings"
+
+	"git.sr.ht/~rjarry/aerc/app"
+	"git.sr.ht/~rjarry/aerc/commands"
+)
+
+type Split struct {
+	Size  int `opt:"n" required:"false" action:"ParseSize"`
+	Delta bool
+}
+
+func init() {
+	commands.Register(Split{})
+}
+
+func (Split) Description() string {
+	return "Split the message list with a preview pane."
+}
+
+func (Split) Context() commands.CommandContext {
+	return commands.MESSAGE_LIST
+}
+
+func (s *Split) ParseSize(arg string) error {
+	i, err := strconv.ParseInt(arg, 10, 64)
+	if err != nil {
+		return err
+	}
+	s.Size = int(i)
+	if strings.HasPrefix(arg, "+") || strings.HasPrefix(arg, "-") {
+		s.Delta = true
+	}
+	return nil
+}
+
+func (Split) Aliases() []string {
+	return []string{"split", "vsplit", "hsplit"}
+}
+
+func (s Split) Execute(args []string) error {
+	acct := app.SelectedAccount()
+	if acct == nil {
+		return errors.New("No account selected")
+	}
+	store := app.SelectedAccount().Store()
+	if store == nil {
+		return errors.New("Cannot perform action. Messages still loading")
+	}
+
+	if s.Size == 0 && acct.SplitSize() == 0 {
+		if args[0] == "split" || args[0] == "hsplit" {
+			s.Size = app.SelectedAccount().Messages().Height() / 4
+		} else {
+			s.Size = app.SelectedAccount().Messages().Width() / 2
+		}
+	}
+	if s.Delta {
+		acct.SetSplitSize(acct.SplitSize() + s.Size)
+		return nil
+	}
+	if s.Size == acct.SplitSize() {
+		// Repeated commands of the same size have the effect of
+		// toggling the split
+		s.Size = 0
+	}
+	if s.Size < 0 {
+		// Don't allow split to go negative
+		s.Size = 1
+	}
+	switch args[0] {
+	case "split", "hsplit":
+		acct.Split(s.Size)
+	case "vsplit":
+		acct.Vsplit(s.Size)
+	}
+	return nil
+}