feat(config): add theme.border.preset (#523)

cmd/root.go

@@ -6,6 +6,7 @@ import (
 	"github.com/ayn2op/discordo/internal/config"
 	"github.com/ayn2op/discordo/internal/consts"
 	"github.com/ayn2op/discordo/internal/logger"
+	"github.com/rivo/tview"
 	"github.com/spf13/cobra"
 	"github.com/zalando/go-keyring"
 )
@@ -36,6 +37,20 @@ var (
 				return err
 			}
 
+			tview.Borders.Horizontal = cfg.Theme.Border.Preset.Horizontal
+			tview.Borders.Vertical = cfg.Theme.Border.Preset.Vertical
+			tview.Borders.TopLeft = cfg.Theme.Border.Preset.TopLeft
+			tview.Borders.TopRight = cfg.Theme.Border.Preset.TopRight
+			tview.Borders.BottomLeft = cfg.Theme.Border.Preset.BottomLeft
+			tview.Borders.BottomRight = cfg.Theme.Border.Preset.BottomRight
+
+			tview.Borders.HorizontalFocus = tview.Borders.Horizontal
+			tview.Borders.VerticalFocus = tview.Borders.Vertical
+			tview.Borders.TopLeftFocus = tview.Borders.TopLeft
+			tview.Borders.TopRightFocus = tview.Borders.TopRight
+			tview.Borders.BottomLeftFocus = tview.Borders.BottomLeft
+			tview.Borders.BottomRightFocus = tview.Borders.BottomRight
+
 			app = newApp(cfg)
 			return app.run(token)
 		},

internal/config/theme.go

@@ -1,14 +1,69 @@
 package config
 
-import "github.com/rivo/tview"
+import (
+	"github.com/rivo/tview"
+)
+
+type BorderPreset struct {
+	Horizontal  rune
+	Vertical    rune
+	TopLeft     rune
+	TopRight    rune
+	BottomLeft  rune
+	BottomRight rune
+}
+
+func (p *BorderPreset) UnmarshalTOML(v any) error {
+	switch v.(string) {
+	case "double":
+		*p = BorderPreset{
+			Horizontal:  tview.BoxDrawingsDoubleHorizontal,
+			Vertical:    tview.BoxDrawingsDoubleVertical,
+			TopLeft:     tview.BoxDrawingsDoubleDownAndRight,
+			TopRight:    tview.BoxDrawingsDoubleDownAndLeft,
+			BottomLeft:  tview.BoxDrawingsDoubleUpAndRight,
+			BottomRight: tview.BoxDrawingsDoubleUpAndLeft,
+		}
+	case "thick":
+		*p = BorderPreset{
+			Horizontal:  tview.BoxDrawingsHeavyHorizontal,
+			Vertical:    tview.BoxDrawingsHeavyVertical,
+			TopLeft:     tview.BoxDrawingsHeavyDownAndRight,
+			TopRight:    tview.BoxDrawingsHeavyDownAndLeft,
+			BottomLeft:  tview.BoxDrawingsHeavyUpAndRight,
+			BottomRight: tview.BoxDrawingsHeavyUpAndLeft,
+		}
+	case "round":
+		*p = BorderPreset{
+			Horizontal:  tview.BoxDrawingsLightHorizontal,
+			Vertical:    tview.BoxDrawingsLightVertical,
+			TopLeft:     tview.BoxDrawingsLightArcDownAndRight,
+			TopRight:    tview.BoxDrawingsLightArcDownAndLeft,
+			BottomLeft:  tview.BoxDrawingsLightArcUpAndRight,
+			BottomRight: tview.BoxDrawingsLightArcUpAndLeft,
+		}
+	case "hidden":
+		*p = BorderPreset{
+			Horizontal:  ' ',
+			Vertical:    ' ',
+			TopLeft:     ' ',
+			TopRight:    ' ',
+			BottomLeft:  ' ',
+			BottomRight: ' ',
+		}
+	}
+
+	return nil
+}
 
 type (
 	BorderTheme struct {
 		Enabled bool   `toml:"enabled"`
 		Padding [4]int `toml:"padding"`
 
-		Color       string `toml:"color"`
-		ActiveColor string `toml:"active_color"`
+		Color       string       `toml:"color"`
+		ActiveColor string       `toml:"active_color"`
+		Preset      BorderPreset `toml:"preset"`
 	}
 
 	Theme struct {
@@ -48,6 +103,14 @@ func defaultTheme() Theme {
 
 			Color:       "default",
 			ActiveColor: "gold",
+			Preset: BorderPreset{
+				Horizontal:  tview.Borders.Horizontal,
+				Vertical:    tview.Borders.Vertical,
+				TopLeft:     tview.Borders.TopLeft,
+				TopRight:    tview.Borders.TopRight,
+				BottomLeft:  tview.Borders.BottomLeft,
+				BottomRight: tview.Borders.BottomRight,
+			},
 		},
 
 		BackgroundColor: "default",