diff options
Diffstat (limited to 'lib/ui')
-rw-r--r-- | lib/ui/borders.go | 16 | ||||
-rw-r--r-- | lib/ui/context.go | 86 | ||||
-rw-r--r-- | lib/ui/fill.go | 4 | ||||
-rw-r--r-- | lib/ui/interactive.go | 6 | ||||
-rw-r--r-- | lib/ui/stack.go | 9 | ||||
-rw-r--r-- | lib/ui/tab.go | 19 | ||||
-rw-r--r-- | lib/ui/text.go | 18 | ||||
-rw-r--r-- | lib/ui/ui.go | 48 |
8 files changed, 105 insertions, 101 deletions
diff --git a/lib/ui/borders.go b/lib/ui/borders.go index 08071ad..38b35fd 100644 --- a/lib/ui/borders.go +++ b/lib/ui/borders.go @@ -1,7 +1,7 @@ package ui import ( - tb "github.com/nsf/termbox-go" + "github.com/gdamore/tcell" ) const ( @@ -45,27 +45,23 @@ func (bordered *Bordered) Draw(ctx *Context) { y := 0 width := ctx.Width() height := ctx.Height() - cell := tb.Cell{ - Ch: ' ', - Fg: tb.ColorBlack, - Bg: tb.ColorWhite, - } + style := tcell.StyleDefault.Background(tcell.ColorWhite).Foreground(tcell.ColorBlack) if bordered.borders&BORDER_LEFT != 0 { - ctx.Fill(0, 0, 1, ctx.Height(), cell) + ctx.Fill(0, 0, 1, ctx.Height(), ' ', style) x += 1 width -= 1 } if bordered.borders&BORDER_TOP != 0 { - ctx.Fill(0, 0, ctx.Width(), 1, cell) + ctx.Fill(0, 0, ctx.Width(), 1, ' ', style) y += 1 height -= 1 } if bordered.borders&BORDER_RIGHT != 0 { - ctx.Fill(ctx.Width()-1, 0, 1, ctx.Height(), cell) + ctx.Fill(ctx.Width()-1, 0, 1, ctx.Height(), ' ', style) width -= 1 } if bordered.borders&BORDER_BOTTOM != 0 { - ctx.Fill(0, ctx.Height()-1, ctx.Width(), 1, cell) + ctx.Fill(0, ctx.Height()-1, ctx.Width(), 1, ' ', style) height -= 1 } subctx := ctx.Subcontext(x, y, width, height) diff --git a/lib/ui/context.go b/lib/ui/context.go index ca3f452..8031689 100644 --- a/lib/ui/context.go +++ b/lib/ui/context.go @@ -4,73 +4,77 @@ import ( "fmt" "github.com/mattn/go-runewidth" - tb "github.com/nsf/termbox-go" + "github.com/gdamore/tcell" + "github.com/gdamore/tcell/views" ) // A context allows you to draw in a sub-region of the terminal type Context struct { - x int - y int - width int - height int + viewport *views.ViewPort } func (ctx *Context) X() int { - return ctx.x + x, _, _, _ := ctx.viewport.GetPhysical() + return x } func (ctx *Context) Y() int { - return ctx.y + _, y, _, _ := ctx.viewport.GetPhysical() + return y } func (ctx *Context) Width() int { - return ctx.width + width, _ := ctx.viewport.Size() + return width } func (ctx *Context) Height() int { - return ctx.height + _, height := ctx.viewport.Size() + return height } -func NewContext(width, height int) *Context { - return &Context{0, 0, width, height} +func NewContext(width, height int, screen tcell.Screen) *Context { + vp := views.NewViewPort(screen, 0, 0, width, height) + return &Context{vp} } func (ctx *Context) Subcontext(x, y, width, height int) *Context { - if x+width > ctx.width || y+height > ctx.height { - panic(fmt.Errorf("Attempted to create context larger than parent")) + vp_width, vp_height := ctx.viewport.Size() + if (x < 0 || y < 0) { + panic(fmt.Errorf("Attempted to create context with negative offset")) } - return &Context{ - x: ctx.x + x, - y: ctx.y + y, - width: width, - height: height, + if (x + width > vp_width || y + height > vp_height) { + panic(fmt.Errorf("Attempted to create context larger than parent")) } + vp := views.NewViewPort(ctx.viewport, x, y, width, height) + return &Context{vp} } -func (ctx *Context) SetCell(x, y int, ch rune, fg, bg tb.Attribute) { - if x >= ctx.width || y >= ctx.height { +func (ctx *Context) SetCell(x, y int, ch rune, style tcell.Style) { + width, height := ctx.viewport.Size() + if x >= width || y >= height { panic(fmt.Errorf("Attempted to draw outside of context")) } - tb.SetCell(ctx.x+x, ctx.y+y, ch, fg, bg) + crunes := []rune{} + ctx.viewport.SetContent(x, y, ch, crunes, style) } -func (ctx *Context) Printf(x, y int, ref tb.Cell, +func (ctx *Context) Printf(x, y int, style tcell.Style, format string, a ...interface{}) int { + width, height := ctx.viewport.Size() - if x >= ctx.width || y >= ctx.height { + if x >= width || y >= height { panic(fmt.Errorf("Attempted to draw outside of context")) } str := fmt.Sprintf(format, a...) - x += ctx.x - y += ctx.y old_x := x newline := func() bool { x = old_x y++ - return y < ctx.height + return y < height } for _, ch := range str { if str == " こんにちは " { @@ -84,9 +88,10 @@ func (ctx *Context) Printf(x, y int, ref tb.Cell, case '\r': x = old_x default: - tb.SetCell(x, y, ch, ref.Fg, ref.Bg) + crunes := []rune{} + ctx.viewport.SetContent(x, y, ch, crunes, style) x += runewidth.RuneWidth(ch) - if x == old_x+ctx.width { + if x == old_x + width { if !newline() { return runewidth.StringWidth(str) } @@ -97,13 +102,20 @@ func (ctx *Context) Printf(x, y int, ref tb.Cell, return runewidth.StringWidth(str) } -func (ctx *Context) Fill(x, y, width, height int, ref tb.Cell) { - _x := x - _y := y - for ; y < _y+height && y < ctx.height; y++ { - for ; x < _x+width && x < ctx.width; x++ { - ctx.SetCell(x, y, ref.Ch, ref.Fg, ref.Bg) - } - x = _x - } +//func (ctx *Context) Screen() tcell.Screen { +// return ctx.screen +//} + +func (ctx *Context) Fill(x, y, width, height int, rune rune, style tcell.Style) { + vp := views.NewViewPort(ctx.viewport, x, y, width, height) + vp.Fill(rune, style) +} + +func (ctx *Context) SetCursor(x, y int) { + // FIXME: Cursor needs to be set on tcell.Screen, or layout has to + // provide a CellModel + // cv := views.NewCellView() + // cv.Init() + // cv.SetView(ctx.viewport) + // cv.SetCursor(x, y) } diff --git a/lib/ui/fill.go b/lib/ui/fill.go index 3c6f0a5..4d36478 100644 --- a/lib/ui/fill.go +++ b/lib/ui/fill.go @@ -1,7 +1,7 @@ package ui import ( - tb "github.com/nsf/termbox-go" + "github.com/gdamore/tcell" ) type Fill rune @@ -13,7 +13,7 @@ func NewFill(f rune) Fill { func (f Fill) Draw(ctx *Context) { for x := 0; x < ctx.Width(); x += 1 { for y := 0; y < ctx.Height(); y += 1 { - ctx.SetCell(x, y, rune(f), tb.ColorDefault, tb.ColorDefault) + ctx.SetCell(x, y, rune(f), tcell.StyleDefault) } } } diff --git a/lib/ui/interactive.go b/lib/ui/interactive.go index efab828..2d4f099 100644 --- a/lib/ui/interactive.go +++ b/lib/ui/interactive.go @@ -1,17 +1,17 @@ package ui import ( - tb "github.com/nsf/termbox-go" + "github.com/gdamore/tcell" ) type Interactive interface { // Returns true if the event was handled by this component - Event(event tb.Event) bool + Event(event tcell.Event) bool } type Simulator interface { // Queues up the given input events for simulation - Simulate(events []tb.Event) + Simulate(events []tcell.Event) } type DrawableInteractive interface { diff --git a/lib/ui/stack.go b/lib/ui/stack.go index 9f81db8..3c66f5a 100644 --- a/lib/ui/stack.go +++ b/lib/ui/stack.go @@ -3,7 +3,7 @@ package ui import ( "fmt" - tb "github.com/nsf/termbox-go" + "github.com/gdamore/tcell" ) type Stack struct { @@ -29,12 +29,7 @@ func (stack *Stack) Draw(ctx *Context) { if len(stack.children) > 0 { stack.Peek().Draw(ctx) } else { - cell := tb.Cell{ - Fg: tb.ColorDefault, - Bg: tb.ColorDefault, - Ch: ' ', - } - ctx.Fill(0, 0, ctx.Width(), ctx.Height(), cell) + ctx.Fill(0, 0, ctx.Width(), ctx.Height(), ' ', tcell.StyleDefault) } } diff --git a/lib/ui/tab.go b/lib/ui/tab.go index e6a8aa5..d0635c7 100644 --- a/lib/ui/tab.go +++ b/lib/ui/tab.go @@ -1,7 +1,7 @@ package ui import ( - tb "github.com/nsf/termbox-go" + "github.com/gdamore/tcell" ) type Tabs struct { @@ -72,21 +72,14 @@ func (tabs *Tabs) Select(index int) { func (strip *TabStrip) Draw(ctx *Context) { x := 0 for i, tab := range strip.Tabs { - cell := tb.Cell{ - Fg: tb.ColorBlack, - Bg: tb.ColorWhite, - } + style := tcell.StyleDefault.Background(tcell.ColorWhite).Foreground(tcell.ColorBlack) if strip.Selected == i { - cell.Fg = tb.ColorDefault - cell.Bg = tb.ColorDefault + style = style.Reverse(true) } - x += ctx.Printf(x, 0, cell, " %s ", tab.Name) - } - cell := tb.Cell{ - Fg: tb.ColorBlack, - Bg: tb.ColorWhite, + x += ctx.Printf(x, 0, style, " %s ", tab.Name) } - ctx.Fill(x, 0, ctx.Width()-x, 1, cell) + style := tcell.StyleDefault.Background(tcell.ColorWhite).Foreground(tcell.ColorBlack) + ctx.Fill(x, 0, ctx.Width()-x, 1, ' ', style) } func (strip *TabStrip) Invalidate() { diff --git a/lib/ui/text.go b/lib/ui/text.go index 6164837..e2e218c 100644 --- a/lib/ui/text.go +++ b/lib/ui/text.go @@ -2,7 +2,7 @@ package ui import ( "github.com/mattn/go-runewidth" - tb "github.com/nsf/termbox-go" + "github.com/gdamore/tcell" ) const ( @@ -14,8 +14,8 @@ const ( type Text struct { text string strategy uint - fg tb.Attribute - bg tb.Attribute + fg tcell.Color + bg tcell.Color onInvalidate func(d Drawable) } @@ -35,7 +35,7 @@ func (t *Text) Strategy(strategy uint) *Text { return t } -func (t *Text) Color(fg tb.Attribute, bg tb.Attribute) *Text { +func (t *Text) Color(fg tcell.Color, bg tcell.Color) *Text { t.fg = fg t.bg = bg t.Invalidate() @@ -44,11 +44,6 @@ func (t *Text) Color(fg tb.Attribute, bg tb.Attribute) *Text { func (t *Text) Draw(ctx *Context) { size := runewidth.StringWidth(t.text) - cell := tb.Cell{ - Ch: ' ', - Fg: t.fg, - Bg: t.bg, - } x := 0 if t.strategy == TEXT_CENTER { x = (ctx.Width() - size) / 2 @@ -56,8 +51,9 @@ func (t *Text) Draw(ctx *Context) { if t.strategy == TEXT_RIGHT { x = ctx.Width() - size } - ctx.Fill(0, 0, ctx.Width(), ctx.Height(), cell) - ctx.Printf(x, 0, cell, "%s", t.text) + style := tcell.StyleDefault.Background(t.bg).Foreground(t.fg) + ctx.Fill(0, 0, ctx.Width(), ctx.Height(), ' ', style) + ctx.Printf(x, 0, style, t.text) } func (t *Text) OnInvalidate(onInvalidate func(d Drawable)) { diff --git a/lib/ui/ui.go b/lib/ui/ui.go index e9b4e9b..d3eacf2 100644 --- a/lib/ui/ui.go +++ b/lib/ui/ui.go @@ -1,7 +1,7 @@ package ui import ( - tb "github.com/nsf/termbox-go" + "github.com/gdamore/tcell" "git.sr.ht/~sircmpwn/aerc2/config" ) @@ -10,30 +10,41 @@ type UI struct { Exit bool Content DrawableInteractive ctx *Context + screen tcell.Screen - tbEvents chan tb.Event + tcEvents chan tcell.Event invalidations chan interface{} } func Initialize(conf *config.AercConfig, content DrawableInteractive) (*UI, error) { - if err := tb.Init(); err != nil { + screen, err := tcell.NewScreen() + if err != nil { return nil, err } - width, height := tb.Size() + + if err = screen.Init(); err != nil { + return nil, err + } + + screen.Clear() + screen.HideCursor() + + width, height := screen.Size() + state := UI{ Content: content, - ctx: NewContext(width, height), + ctx: NewContext(width, height, screen), + screen: screen, - tbEvents: make(chan tb.Event, 10), + tcEvents: make(chan tcell.Event, 10), invalidations: make(chan interface{}), } - tb.SetInputMode(tb.InputEsc | tb.InputMouse) - tb.SetOutputMode(tb.Output256) + //tb.SetOutputMode(tb.Output256) go (func() { for !state.Exit { - state.tbEvents <- tb.PollEvent() + state.tcEvents <- screen.PollEvent() } })() go (func() { state.invalidations <- nil })() @@ -44,27 +55,28 @@ func Initialize(conf *config.AercConfig, } func (state *UI) Close() { - tb.Close() + state.screen.Fini() } func (state *UI) Tick() bool { select { - case event := <-state.tbEvents: - switch event.Type { - case tb.EventKey: + case event := <-state.tcEvents: + switch event := event.(type) { + case *tcell.EventKey: // TODO: temporary - if event.Key == tb.KeyEsc { + if event.Key() == tcell.KeyEsc { state.Exit = true } - case tb.EventResize: - tb.Clear(tb.ColorDefault, tb.ColorDefault) - state.ctx = NewContext(event.Width, event.Height) + case *tcell.EventResize: + state.screen.Clear() + width, height := event.Size() + state.ctx = NewContext(width, height, state.screen) state.Content.Invalidate() } state.Content.Event(event) case <-state.invalidations: state.Content.Draw(state.ctx) - tb.Flush() + state.screen.Show() default: return false } |