init layout, notifications, tabs & more

Signed-off-by: Hadi <112569860+anotherhadi@users.noreply.github.com>

style/config.go

@@ -0,0 +1,64 @@
+package style
+
+type colorsYAML struct {
+	Base00 string `yaml:"base00"`
+	Base01 string `yaml:"base01"`
+	Base02 string `yaml:"base02"`
+	Base03 string `yaml:"base03"`
+	Base04 string `yaml:"base04"`
+	Base05 string `yaml:"base05"`
+	Base06 string `yaml:"base06"`
+	Base07 string `yaml:"base07"`
+	Base08 string `yaml:"base08"`
+	Base09 string `yaml:"base09"`
+	Base0A string `yaml:"base0a"`
+	Base0B string `yaml:"base0b"`
+	Base0C string `yaml:"base0c"`
+	Base0D string `yaml:"base0d"`
+	Base0E string `yaml:"base0e"`
+	Base0F string `yaml:"base0f"`
+}
+
+type configYAML struct {
+	Colors    colorsYAML `yaml:"colors"`
+	NerdFonts bool       `yaml:"nerd_fonts"`
+	Border    string     `yaml:"border"`
+}
+
+func pickString(base, user string) string {
+	if user != "" {
+		return user
+	}
+	return base
+}
+
+func mergeConfig(base, user configYAML) configYAML {
+	return configYAML{
+		Colors: mergeColors(base.Colors, user.Colors),
+		// The embedded default is always nerd_fonts: false, so this just
+		// reduces to "whatever the user set".
+		NerdFonts: base.NerdFonts || user.NerdFonts,
+		Border:    pickString(base.Border, user.Border),
+	}
+}
+
+func mergeColors(base, user colorsYAML) colorsYAML {
+	return colorsYAML{
+		Base00: pickString(base.Base00, user.Base00),
+		Base01: pickString(base.Base01, user.Base01),
+		Base02: pickString(base.Base02, user.Base02),
+		Base03: pickString(base.Base03, user.Base03),
+		Base04: pickString(base.Base04, user.Base04),
+		Base05: pickString(base.Base05, user.Base05),
+		Base06: pickString(base.Base06, user.Base06),
+		Base07: pickString(base.Base07, user.Base07),
+		Base08: pickString(base.Base08, user.Base08),
+		Base09: pickString(base.Base09, user.Base09),
+		Base0A: pickString(base.Base0A, user.Base0A),
+		Base0B: pickString(base.Base0B, user.Base0B),
+		Base0C: pickString(base.Base0C, user.Base0C),
+		Base0D: pickString(base.Base0D, user.Base0D),
+		Base0E: pickString(base.Base0E, user.Base0E),
+		Base0F: pickString(base.Base0F, user.Base0F),
+	}
+}