diff options
-rw-r--r-- | commands/commands.go | 17 | ||||
-rw-r--r-- | commands/ct.go | 3 | ||||
-rw-r--r-- | lib/ui/textinput.go | 84 | ||||
-rw-r--r-- | widgets/exline.go | 8 |
4 files changed, 92 insertions, 20 deletions
diff --git a/commands/commands.go b/commands/commands.go index c6f149f2..3f7fbcd4 100644 --- a/commands/commands.go +++ b/commands/commands.go @@ -2,6 +2,7 @@ package commands import ( "errors" + "sort" "strings" "unicode" @@ -73,12 +74,19 @@ func (cmds *Commands) GetCompletions(aerc *widgets.Aerc, cmd string) []string { } if len(args) == 0 { - return nil + names := cmds.Names() + sort.Strings(names) + return names } - if len(args) > 1 { + if len(args) > 1 || cmd[len(cmd)-1] == ' ' { if cmd, ok := cmds.dict()[args[0]]; ok { - completions := cmd.Complete(aerc, args[1:]) + var completions []string + if len(args) > 1 { + completions = cmd.Complete(aerc, args[1:]) + } else { + completions = cmd.Complete(aerc, []string{}) + } if completions != nil && len(completions) == 0 { return nil } @@ -109,6 +117,9 @@ func (cmds *Commands) GetCompletions(aerc *widgets.Aerc, cmd string) []string { func GetFolders(aerc *widgets.Aerc, args []string) []string { out := make([]string, 0) lower_only := false + if len(args) == 0 { + return aerc.SelectedAccount().Directories().List() + } for _, rune := range args[0] { lower_only = lower_only || unicode.IsLower(rune) } diff --git a/commands/ct.go b/commands/ct.go index ab2993d4..19fb63aa 100644 --- a/commands/ct.go +++ b/commands/ct.go @@ -19,6 +19,9 @@ func (_ ChangeTab) Aliases() []string { } func (_ ChangeTab) Complete(aerc *widgets.Aerc, args []string) []string { + if len(args) == 0 { + return aerc.TabNames() + } out := make([]string, 0) for _, tab := range aerc.TabNames() { if strings.HasPrefix(tab, args[0]) { diff --git a/lib/ui/textinput.go b/lib/ui/textinput.go index 2feeb842..e5a23379 100644 --- a/lib/ui/textinput.go +++ b/lib/ui/textinput.go @@ -5,20 +5,23 @@ import ( "github.com/mattn/go-runewidth" ) -// TODO: Attach history and tab completion providers +// TODO: Attach history providers // TODO: scrolling type TextInput struct { Invalidatable - cells int - ctx *Context - focus bool - index int - password bool - prompt string - scroll int - text []rune - change []func(ti *TextInput) + cells int + ctx *Context + focus bool + index int + password bool + prompt string + scroll int + text []rune + change []func(ti *TextInput) + tabcomplete func(s string) []string + completions []string + completeIndex int } // Creates a new TextInput. TextInputs will render a "textbox" in the entire @@ -42,6 +45,12 @@ func (ti *TextInput) Prompt(prompt string) *TextInput { return ti } +func (ti *TextInput) TabComplete( + tabcomplete func(s string) []string) *TextInput { + ti.tabcomplete = tabcomplete + return ti +} + func (ti *TextInput) String() string { return string(ti.text) } @@ -161,6 +170,41 @@ func (ti *TextInput) backspace() { } } +func (ti *TextInput) nextCompletion() { + if ti.completions == nil { + if ti.tabcomplete == nil { + return + } + ti.completions = ti.tabcomplete(ti.StringLeft()) + ti.completeIndex = 0 + } else { + ti.completeIndex++ + if ti.completeIndex >= len(ti.completions) { + ti.completeIndex = 0 + } + } + if len(ti.completions) > 0 { + ti.Set(ti.completions[ti.completeIndex] + ti.StringRight()) + } +} + +func (ti *TextInput) previousCompletion() { + if ti.completions == nil || len(ti.completions) == 0 { + return + } + ti.completeIndex-- + if ti.completeIndex < 0 { + ti.completeIndex = len(ti.completions) - 1 + } + if len(ti.completions) > 0 { + ti.Set(ti.completions[ti.completeIndex] + ti.StringRight()) + } +} + +func (ti *TextInput) invalidateCompletions() { + ti.completions = nil +} + func (ti *TextInput) onChange() { for _, change := range ti.change { change(ti) @@ -176,32 +220,52 @@ func (ti *TextInput) Event(event tcell.Event) bool { case *tcell.EventKey: switch event.Key() { case tcell.KeyBackspace, tcell.KeyBackspace2: + ti.invalidateCompletions() ti.backspace() case tcell.KeyCtrlD, tcell.KeyDelete: + ti.invalidateCompletions() ti.deleteChar() case tcell.KeyCtrlB, tcell.KeyLeft: + ti.invalidateCompletions() if ti.index > 0 { ti.index-- ti.ensureScroll() ti.Invalidate() } case tcell.KeyCtrlF, tcell.KeyRight: + ti.invalidateCompletions() if ti.index < len(ti.text) { ti.index++ ti.ensureScroll() ti.Invalidate() } case tcell.KeyCtrlA, tcell.KeyHome: + ti.invalidateCompletions() ti.index = 0 ti.ensureScroll() ti.Invalidate() case tcell.KeyCtrlE, tcell.KeyEnd: + ti.invalidateCompletions() ti.index = len(ti.text) ti.ensureScroll() ti.Invalidate() case tcell.KeyCtrlW: + ti.invalidateCompletions() ti.deleteWord() + case tcell.KeyTab: + if ti.tabcomplete != nil { + ti.nextCompletion() + } else { + ti.insert('\t') + } + ti.Invalidate() + case tcell.KeyBacktab: + if ti.tabcomplete != nil { + ti.previousCompletion() + } + ti.Invalidate() case tcell.KeyRune: + ti.invalidateCompletions() ti.insert(event.Rune()) } } diff --git a/widgets/exline.go b/widgets/exline.go index b7b4e3db..4791ae92 100644 --- a/widgets/exline.go +++ b/widgets/exline.go @@ -20,7 +20,7 @@ func NewExLine(commit func(cmd string), cancel func(), tabcomplete func(cmd string) []string, cmdHistory lib.History) *ExLine { - input := ui.NewTextInput("").Prompt(":") + input := ui.NewTextInput("").Prompt(":").TabComplete(tabcomplete) exline := &ExLine{ cancel: cancel, commit: commit, @@ -64,12 +64,6 @@ func (ex *ExLine) Event(event tcell.Event) bool { ex.input.Focus(false) ex.cmdHistory.Reset() ex.cancel() - case tcell.KeyTab: - complete := ex.tabcomplete(ex.input.StringLeft()) - if len(complete) == 1 { - ex.input.Set(complete[0] + " " + ex.input.StringRight()) - } - ex.Invalidate() default: return ex.input.Event(event) } |