NewApplicationWindow automatically sets an application icon

application.go

@@ -2,6 +2,7 @@ package nasin
 
 import "log"
 import "image"
+import "strings"
 import "git.tebibyte.media/tomo/tomo"
 import "git.tebibyte.media/tomo/nasin/internal/registrar"
 
@@ -76,6 +77,15 @@ type ApplicationRole string; const (
 	RoleChecklist         ApplicationRole = "Checklist"
 )
 
+// Icon returns the icon ID for this role.
+func (role ApplicationRole) Icon () tomo.Icon {
+	if role == "" {
+		return tomo.IconApplication
+	} else {
+		return tomo.Icon("Application" + strings.ReplaceAll(string(role), " ", ""))
+	}
+}
+
 // RunApplication is like tomo.Run, but runs an application. If something fails
 // to initialize, an error is written to the standard logger.
 func RunApplication (application Application) {
@@ -90,10 +100,37 @@ func RunApplication (application Application) {
 
 // NewApplicationWindow creates a window for an application. It will
 // automatically set window information to signal to the OS that the window is
-// owned by the application.
+// owned by the application. The window's icon will be automatically set by
+// looking for an icon with the name of the application's ID. If that is not
+// found, the default icon for the application's ApplicationRole will used.
 func NewApplicationWindow (application Application, bounds image.Rectangle) (tomo.MainWindow, error) {
 	window, err := tomo.NewWindow(bounds)
 	if err != nil { return nil, err }
-	window.SetTitle(application.Describe().String())
+	description := application.Describe()
+	window.SetTitle(description.Name)
+	setApplicationWindowIcon(window, description)
 	return window, nil
 }
+
+func setApplicationWindowIcon (window tomo.Window, description ApplicationDescription) {
+	allSizes := func (icon tomo.Icon) (sizes []image.Image) {
+		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
+	}
+
+	if sizes := allSizes(tomo.Icon(description.ID)); len(sizes) > 0 {
+		println("direct icon worked", tomo.Icon(description.ID))
+		window.SetIcon(sizes...)
+		return
+	}
+	if sizes := allSizes(description.Role.Icon()); len(sizes) > 0 {
+		println("role icon worked", description.Role.Icon())
+		window.SetIcon(sizes...)
+		return
+	}
+}

internal/theme/style/aluminum/default.go

@@ -10,8 +10,8 @@ func New () *dataTheme.Theme {
 		Colors: map[tomo.Color] color.Color {
 			tomo.ColorBackground: colorBackground,
 			tomo.ColorForeground: colorForeground,
-			tomo.ColorRaised:     colorCarved,
-			tomo.ColorSunken:     colorCarved,
+			tomo.ColorRaised:     colorRaised,
+			tomo.ColorSunken:     colorSunken,
 			tomo.ColorAccent:     colorFocus,
 		},
 		Rules: rules,

internal/theme/style/aluminum/style.go

@@ -26,15 +26,19 @@ func border (top, right, bottom, left uint32, width ...int) tomo.Border {
 var colorDot           = hex(0x7391c080)
 var colorFocus         = hex(0x5f8bc4FF)
 var colorHighlight     = hex(0x5f8bc4FF)
-var colorBackground    = hex(0xd6d6d6FF)
+var colorBackground    = hex(0xd4d4d4FF)
 var colorForeground    = color.Black
+
 var colorOutline       = color.Black
 var colorGutter        = hex(0xbfc6d1FF)
 var colorGutterHovered = hex(0xc5cbd6FF)
-var colorCarved        = hex(0xe9eaeaFF)
-var colorCarvedPressed = hex(0xe3e4e4FF)
-var colorCarvedFocused = hex(0xe4e6e8FF)
-var colorCarvedHovered = hex(0xf1f3f5FF)
+var colorRaised        = hex(0xe9eaeaFF)
+var colorRaisedPressed = hex(0xccd4ddFF)
+var colorRaisedFocused = hex(0xcfd6ddFF)
+var colorRaisedHovered = hex(0xf1f3f5FF)
+var colorSunken        = hex(0xe9eaeaFF)
+var colorSunkenFocused = hex(0xe0e6eeFF)
+var colorSunkenPressed = hex(0xe0e6eeFF)
 
 var outline = tomo.Border {
 	Width: tomo.I(1),
@@ -46,12 +50,13 @@ var outline = tomo.Border {
 	},
 }
 
-var borderEngraved    = border(0xc3c3c5FF, 0xe3e3e3FF, 0xe9e9e9ff, 0xc2c2c2ff, 1)
-var borderGap         = border(0x697c7cFF, 0x566767FF, 0x566767ff, 0x697c7cff, 1)
-var borderLifted      = border(0xf9fafcFF, 0xc2c8d3FF, 0xa4afc0ff, 0xf5f6f8ff, 1)
-var borderFocused     = border(0x5f8bc4FF, 0x5f8bc4FF, 0x5f8bc4ff, 0x5f8bc4ff, 1)
-var borderInnerShadow = border(0xa4afc0FF, 0xa4afc0FF, 0xa4afc0ff, 0xa4afc0ff, 1, 0, 0, 1)
-var borderOuterShadow = border(0xa4afc0FF, 0xa4afc0FF, 0xa4afc0ff, 0xa4afc0ff, 0, 1, 1, 0)
+var borderEngraved      = border(0xc3c3c5FF, 0xe3e3e3FF, 0xe9e9e9ff, 0xc2c2c2ff, 1)
+var borderGap           = border(0x697c7cFF, 0x566767FF, 0x566767ff, 0x697c7cff, 1)
+var borderLifted        = border(0xf9fafcFF, 0xc2c8d3FF, 0xa4afc0ff, 0xf5f6f8ff, 1)
+var borderLiftedFocused = border(0xf0f4f9FF, 0xb1bacaFF, 0x9aa6b7ff, 0xe4e9eeff, 1)
+var borderFocused       = border(0x5f8bc4FF, 0x5f8bc4FF, 0x5f8bc4ff, 0x5f8bc4ff, 1)
+var borderInnerShadow   = border(0xa4afc0FF, 0xa4afc0FF, 0xa4afc0ff, 0xa4afc0ff, 1, 0, 0, 1)
+var borderOuterShadow   = border(0xa4afc0FF, 0xa4afc0FF, 0xa4afc0ff, 0xa4afc0ff, 0, 1, 1, 0)
 
 var rules = []dataTheme.Rule {
 	// *.*[*]
@@ -83,19 +88,19 @@ var rules = []dataTheme.Rule {
 				borderInnerShadow,
 			},
 			dataTheme.AttrPadding(tomo.I(5, 8, 4, 9)),
-			dataTheme.AttrColor { Color: colorCarvedPressed },
+			dataTheme.AttrColor { Color: colorRaisedPressed },
 		),
 		Focused: dataTheme.AS (
 			dataTheme.AttrBorder {
 				borderEngraved,
-				borderFocused,
-				borderLifted,
+				borderGap,
+				borderLiftedFocused,
 			},
 			dataTheme.AttrPadding(tomo.I(4, 8)),
-			dataTheme.AttrColor { Color: colorCarvedFocused },
+			dataTheme.AttrColor { Color: colorRaisedFocused },
 		),
 		Hovered: dataTheme.AS (
-			dataTheme.AttrColor { Color: colorCarvedHovered },
+			dataTheme.AttrColor { Color: colorRaisedHovered },
 		),
 	},
 
@@ -117,6 +122,10 @@ var rules = []dataTheme.Rule {
 				borderFocused,
 				borderInnerShadow,
 			},
+			dataTheme.AttrColor { Color: colorSunkenFocused },
+		),
+		Pressed: dataTheme.AS (
+			dataTheme.AttrColor { Color: colorSunkenPressed },
 		),
 	},
 
@@ -265,6 +274,7 @@ var rules = []dataTheme.Rule {
 				borderInnerShadow,
 			},
 			dataTheme.AttrPadding(tomo.I(0)),
+			dataTheme.AttrColor { Color: colorSunkenFocused },
 		),
 	},