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binds: add account specific bindings

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When using aerc for multiple accounts often bindings might differ
slightly between accounts. For example:

* Account A archives to one directory (:archive)
* Account B archives to monthly directories (:archive month)

Add account specific bindings to allow the user to add a "context" to a
binding group using a context specifier and a regular expression.

Currently the only context specifier is 'account'.

The regular expression is validated against the accounts loaded from
accounts.conf and the configuration fails to load if there are no
matches.

Contextual bindings are merged with global bindings, with contextual
bindings taking precedence, when that context is active.

Bindings are be configured using a generic pattern of
'view:context=regexp'. E.g.:

    # Globally Applicable Archiving
    [messages]
    A = :read<Enter>:archive<Enter>

    # Monthly Archiving for 'Mailbox' Account
    [messages:account=Mailbox$]
    A = :read<Enter>:archive month<Enter>

In the above example all accounts matching the regular expression will
archive in the monthly format - all others will use the global binding.

Signed-off-by: Jonathan Bartlett <jonathan@jonnobrow.co.uk>
This commit is contained in:
Jonathan Bartlett 2021-12-10 21:27:29 +00:00 • committed by Robin Jarry
commit 175d0efeb2
4 changed files with 199 additions and 58 deletions
widgets
aerc.go

14
widgets/aerc.go
View file

@ -182,22 +182,26 @@ func (aerc *Aerc) Draw(ctx *ui.Context) {
}
func (aerc *Aerc) getBindings() *config.KeyBindings {
selectedAccountName := ""
if aerc.SelectedAccount() != nil {
selectedAccountName = aerc.SelectedAccount().acct.Name
}
switch view := aerc.SelectedTab().(type) {
case *AccountView:
return aerc.conf.Bindings.MessageList
return aerc.conf.MergeContextualBinds(aerc.conf.Bindings.MessageList, config.BIND_CONTEXT_ACCOUNT, selectedAccountName, "messages")
case *AccountWizard:
return aerc.conf.Bindings.AccountWizard
case *Composer:
switch view.Bindings() {
case "compose::editor":
return aerc.conf.Bindings.ComposeEditor
return aerc.conf.MergeContextualBinds(aerc.conf.Bindings.ComposeEditor, config.BIND_CONTEXT_ACCOUNT, selectedAccountName, "compose::editor")
case "compose::review":
return aerc.conf.Bindings.ComposeReview
return aerc.conf.MergeContextualBinds(aerc.conf.Bindings.ComposeReview, config.BIND_CONTEXT_ACCOUNT, selectedAccountName, "compose::review")
default:
return aerc.conf.Bindings.Compose
return aerc.conf.MergeContextualBinds(aerc.conf.Bindings.Compose, config.BIND_CONTEXT_ACCOUNT, selectedAccountName, "compose")
}
case *MessageViewer:
return aerc.conf.Bindings.MessageView
return aerc.conf.MergeContextualBinds(aerc.conf.Bindings.MessageView, config.BIND_CONTEXT_ACCOUNT, selectedAccountName, "view")
case *Terminal:
return aerc.conf.Bindings.Terminal
default: