diff options
| -rw-r--r-- | lib/ui/grid.go | 1 | ||||
| -rw-r--r-- | lib/ui/list.go | 110 | ||||
| -rw-r--r-- | widgets/directories.go | 71 |
3 files changed, 26 insertions, 156 deletions
diff --git a/lib/ui/grid.go b/lib/ui/grid.go index 5fe6ab2..3c375ee 100644 --- a/lib/ui/grid.go +++ b/lib/ui/grid.go @@ -5,7 +5,6 @@ import ( "math" ) -// A container which arranges its children on a grid. type Grid struct { rows []GridSpec rowLayout []gridLayout diff --git a/lib/ui/list.go b/lib/ui/list.go deleted file mode 100644 index 58f304f..0000000 --- a/lib/ui/list.go +++ /dev/null @@ -1,110 +0,0 @@ -package ui - -import ( - "fmt" -) - -// A container which arranges its children in a list. -type List struct { - Items []*ListItem - itemHeight int - onInvalidate func(d Drawable) - selected int -} - -type ListItem struct { - Content Drawable - invalid bool -} - -type SelectableDrawable interface { - Drawable - DrawWithSelected(ctx *Context, selected bool) -} - -func NewList() *List { - return &List{itemHeight: 1, selected: -1} -} - -func (list *List) OnInvalidate(onInvalidate func(d Drawable)) { - list.onInvalidate = onInvalidate -} - -func (list *List) Invalidate() { - for _, item := range list.Items { - item.Content.Invalidate() - } - if list.onInvalidate != nil { - list.onInvalidate(list) - } -} - -func (list *List) Draw(ctx *Context) { - for i, item := range list.Items { - if !item.invalid { - continue - } - subctx := ctx.Subcontext(0, i, ctx.Width(), list.itemHeight) - if content, ok := item.Content.(SelectableDrawable); ok { - content.DrawWithSelected(subctx, i == list.selected) - } else { - item.Content.Draw(subctx) - } - } -} - -func (list *List) Add(child Drawable) { - list.Items = append(list.Items, &ListItem{Content: child, invalid: true}) - child.OnInvalidate(list.childInvalidated) - list.Invalidate() -} - -func (list *List) Remove(child Drawable) { - for i, item := range list.Items { - if item.Content == child { - list.Items = append(list.Items[:i], list.Items[i+1:]...) - child.OnInvalidate(nil) - list.Invalidate() - return - } - } - panic(fmt.Errorf("Attempted to remove unknown child")) -} - -func (list *List) Set(items []Drawable) { - for _, item := range list.Items { - item.Content.OnInvalidate(nil) - } - list.Items = make([]*ListItem, len(items)) - for i, item := range items { - list.Items[i] = &ListItem{Content: item, invalid: true} - item.OnInvalidate(list.childInvalidated) - } - list.Invalidate() -} - -func (list *List) Select(index int) { - if index >= len(list.Items) || index < 0 { - panic(fmt.Errorf("Attempted to select unknown child")) - } - list.selected = index - list.Invalidate() -} - -func (list *List) ItemHeight(height int) { - list.itemHeight = height - list.Invalidate() -} - -func (list *List) childInvalidated(child Drawable) { - for _, item := range list.Items { - if item.Content == child { - item.invalid = true - if list.onInvalidate != nil { - list.onInvalidate(list) - } - return - } - } - panic(fmt.Errorf("Attempted to invalidate unknown child")) -} diff --git a/widgets/directories.go b/widgets/directories.go index ff2f6f5..16b0e5a 100644 --- a/widgets/directories.go +++ b/widgets/directories.go @@ -3,7 +3,6 @@ package widgets import ( "log" "sort" - "strings" "github.com/gdamore/tcell" @@ -14,7 +13,7 @@ import ( type DirectoryList struct { conf *config.AccountConfig - dirs *ui.List + dirs []string logger *log.Logger onInvalidate func(d ui.Drawable) worker *types.Worker @@ -23,68 +22,50 @@ type DirectoryList struct { func NewDirectoryList(conf *config.AccountConfig, logger *log.Logger, worker *types.Worker) *DirectoryList { - return &DirectoryList{ - conf: conf, - dirs: ui.NewList(), - logger: logger, - worker: worker, - } + return &DirectoryList{conf: conf, logger: logger, worker: worker} } func (dirlist *DirectoryList) UpdateList() { - var dirs []ui.Drawable + var dirs []string dirlist.worker.PostAction( &types.ListDirectories{}, func(msg types.WorkerMessage) { switch msg := msg.(type) { case *types.Directory: - if len(dirlist.conf.Folders) > 1 { - idx := sort.SearchStrings(dirlist.conf.Folders, msg.Name) - if idx == len(dirlist.conf.Folders) || - dirlist.conf.Folders[idx] != msg.Name { - break - } - } - dirs = append(dirs, directoryEntry(msg.Name)) + dirs = append(dirs, msg.Name) case *types.Done: - sort.Slice(dirs, func(_a, _b int) bool { - a, _ := dirs[_a].(directoryEntry) - b, _ := dirs[_b].(directoryEntry) - return strings.Compare(string(a), string(b)) > 0 - }) - dirlist.dirs.Set(dirs) + sort.Strings(dirs) + dirlist.dirs = dirs + dirlist.Invalidate() } }) } func (dirlist *DirectoryList) OnInvalidate(onInvalidate func(d ui.Drawable)) { - dirlist.dirs.OnInvalidate(func(_ ui.Drawable) { - onInvalidate(dirlist) - }) + dirlist.onInvalidate = onInvalidate } func (dirlist *DirectoryList) Invalidate() { - dirlist.dirs.Invalidate() + if dirlist.onInvalidate != nil { + dirlist.onInvalidate(dirlist) + } } func (dirlist *DirectoryList) Draw(ctx *ui.Context) { - dirlist.dirs.Draw(ctx) -} - -type directoryEntry string - -func (d directoryEntry) OnInvalidate(_ func(_ ui.Drawable)) { -} - -func (d directoryEntry) Invalidate() { -} - -func (d directoryEntry) Draw(ctx *ui.Context) { - d.DrawWithSelected(ctx, false) -} - -func (d directoryEntry) DrawWithSelected(ctx *ui.Context, selected bool) { - // TODO: distinguish the selected item ctx.Fill(0, 0, ctx.Width(), ctx.Height(), ' ', tcell.StyleDefault) - ctx.Printf(0, 0, tcell.StyleDefault, "%s", d) + row := 0 + for _, name := range dirlist.dirs { + if row >= ctx.Height() { + break + } + if len(dirlist.conf.Folders) > 1 { + idx := sort.SearchStrings(dirlist.conf.Folders, name) + if idx == len(dirlist.conf.Folders) || + dirlist.conf.Folders[idx] != name { + continue + } + } + ctx.Printf(0, row, tcell.StyleDefault, "%s", name) + row++ + } } |