Styling fixes

application.go

@@ -8,7 +8,6 @@ import "strings"
 import "net/url"
 import "git.tebibyte.media/tomo/tomo"
 import "git.tebibyte.media/tomo/objects"
-import "git.tebibyte.media/tomo/tomo/canvas"
 import "git.tebibyte.media/tomo/nasin/internal/registrar"
 
 // Application represents an application object.
@@ -202,22 +201,16 @@ func applicationOpenUrls (application Application, args ...string) {
 }
 
 func setApplicationWindowIcon (window tomo.Window, description ApplicationDescription) {
-	allSizes := func (icon tomo.Icon) (sizes []canvas.Texture) {
-		small  := icon.Texture(tomo.IconSizeSmall)
-		medium := icon.Texture(tomo.IconSizeMedium)
-		large  := icon.Texture(tomo.IconSizeLarge)
-		if small  != nil { sizes = append(sizes,  small) }
-		if medium != nil { sizes = append(sizes, medium) }
-		if large  != nil { sizes = append(sizes,  large) }
-		return sizes
+	iconExists := func (icon tomo.Icon) bool {
+		return icon.Texture(tomo.IconSizeMedium) != nil
 	}
 
-	if sizes := allSizes(tomo.Icon(description.ID)); len(sizes) > 0 {
-		window.SetIcon(sizes...)
+	if iconExists(tomo.Icon(description.ID)) {
+		window.SetIcon(tomo.Icon(description.ID))
 		return
 	}
-	if sizes := allSizes(description.Role.Icon()); len(sizes) > 0 {
-		window.SetIcon(sizes...)
+	if iconExists(description.Role.Icon()) {
+		window.SetIcon(description.Role.Icon())
 		return
 	}
 }

internal/style/fallback/style.go

@@ -219,6 +219,11 @@ var rules = []tomo.Rule {
 		tomo.AttrMinimumSize { X: 12, Y: 12, },
 	), tomo.R("", "SliderHandle")),
 
+	// *.ScrollContainer
+	tomo.Ru(tomo.AS (
+		tomo.AGap(0, 0),
+	), tomo.R("", "ScrollContainer")),
+
 	// *.Checkbox
 	tomo.Ru(tomo.AS (
 		tomo.ABorder (