Restructure internal/theme

examples/icons/main.go

@@ -7,7 +7,7 @@ import "git.tebibyte.media/tomo/nasin"
 import "git.tebibyte.media/tomo/objects"
 import "git.tebibyte.media/tomo/tomo/input"
 import "git.tebibyte.media/tomo/objects/layouts"
-import "git.tebibyte.media/tomo/nasin/internal/theme/xdgicons"
+import "git.tebibyte.media/tomo/nasin/internal/theme/icons/xdg"
 
 const scrollIcons = true
 

internal/registrar/registrar_unix.go

@@ -3,13 +3,14 @@ package registrar
 
 import "os"
 import "log"
-import "git.tebibyte.media/tomo/x"
+import "git.tebibyte.media/tomo/backend/x"
 import "git.tebibyte.media/tomo/tomo"
-import "git.tebibyte.media/tomo/nasin/internal/theme/default"
-import "git.tebibyte.media/tomo/nasin/internal/theme/xdgicons"
+import "git.tebibyte.media/tomo/nasin/internal/theme/icons/xdg"
+import "git.tebibyte.media/tomo/nasin/internal/theme/icons/fallback"
+import "git.tebibyte.media/tomo/nasin/internal/theme/style/fallback"
 
 func Init () error {
-	theme := defaultTheme.Theme()
+	theme := fallbackStyle.New()
 	
 	iconThemeName := os.Getenv("TOMO_XDG_ICON_THEME")
 	if iconThemeName != "" {
@@ -20,8 +21,12 @@ func Init () error {
 			log.Printf("nasin: could not load icon theme '%s': %v", iconThemeName, err)
 		}
 	}
+
+	if theme.IconTheme == nil {
+		theme.IconTheme = fallbackIcons.New()
+	}
 	
 	tomo.SetTheme(theme)
-	tomo.Register(1, x.NewBackend)
+	tomo.Register(1, x.New)
 	return nil
 }

internal/theme/icons/fallback/icon.go

@@ -1,4 +1,4 @@
-package defaultTheme
+package fallbackIcons
 
 import "bytes"
 import "image"
@@ -7,6 +7,7 @@ import _ "image/png"
 import "git.tebibyte.media/tomo/tomo"
 import "git.tebibyte.media/tomo/tomo/data"
 import "git.tebibyte.media/tomo/tomo/canvas"
+import dataTheme "git.tebibyte.media/tomo/nasin/internal/theme"
 
 //go:embed assets/icons-small.png
 var atlasSmallBytes []byte
@@ -416,6 +417,11 @@ type iconTheme struct {
 	texturesLarge map[tomo.Icon] canvas.Texture
 }
 
+// New creates a new fallback icon theme.
+func New () dataTheme.IconTheme {
+	return new(iconTheme)
+}
+
 func (this *iconTheme) ensure () {
 	if this.texturesSmall != nil { return }
 	this.texturesSmall = generateSource(atlasSmallBytes, 16)

internal/theme/icons/xdg/icon.go

@@ -54,14 +54,14 @@ func (this *iconTheme) xdgIcon (name string, size tomo.IconSize) (canvas.Texture
 	iconFile, err := os.Open(icon.Path)
 	if err != nil {
 		// this failing indicates a broken icon theme
-		log.Println("nasin: icon file '%s' is inaccessible: %v", icon.Path, err)
+		log.Printf("nasin: icon file '%s' is inaccessible: %v\n", icon.Path, err)
 		return nil, false
 	}
 
 	iconImage, _, err := image.Decode(iconFile)
 	if err != nil {
 		// this failing indicates a broken icon theme
-		log.Println("nasin: icon file '%s' is broken: %v", icon.Path, err)
+		log.Printf("nasin: icon file '%s' is broken: %v\n", icon.Path, err)
 		return nil, false
 	}
 

internal/theme/style/fallback/style.go

@@ -1,4 +1,4 @@
-package defaultTheme
+package fallbackStyle
 
 import "image/color"
 import "git.tebibyte.media/tomo/tomo"
@@ -295,4 +295,15 @@ var rules = []dataTheme.Rule {
 			dataTheme.AttrColor { Color: tomo.ColorAccent },
 		),
 	},
+
+	// *.File[*]
+	dataTheme.Rule {
+		Role: tomo.R("", "File", ""),
+		Default: dataTheme.AS (
+			dataTheme.AttrColor { Color: color.Transparent },
+		),
+		Focused: dataTheme.AS (
+			dataTheme.AttrColor { Color: tomo.ColorAccent },
+		),
+	},
 }

internal/theme/style/fallback/wintergreen.go

@@ -1,12 +1,12 @@
-package defaultTheme
+package fallbackStyle
 
 import "image/color"
 import "git.tebibyte.media/tomo/tomo"
 import dataTheme "git.tebibyte.media/tomo/nasin/internal/theme"
 
-// Theme returns Wintergreen, the default Tomo tomo. It is neutral-gray with
-// green and turquoise accents.
-func Theme () *dataTheme.Theme {
+// New returns Wintergreen, the default Tomo tomo. It is neutral-gray with green
+// and turquoise accents.
+func New () *dataTheme.Theme {
 	return &dataTheme.Theme {
 		Colors: map[tomo.Color] color.Color {
 			tomo.ColorBackground: colorBackground,
@@ -16,6 +16,5 @@ func Theme () *dataTheme.Theme {
 			tomo.ColorAccent:     colorFocus,
 		},
 		Rules: rules,
-		IconTheme: &iconTheme { },
 	}
 }