add global default ColorMap

README.md

@@ -1,4 +1,4 @@
-<p align="center"><img width="40%" src="/_docs/img/logo.png" alt="cTop"/></p>
+<p align="center"><img width="40%" style="background-color: transparent;" src="/_docs/img/logo.png" alt="cTop"/></p>
 #
 
 Top-like interface for container metrics

colors.go

@@ -0,0 +1,43 @@
+package main
+
+import ui "github.com/gizak/termui"
+
+/*
+Valid colors:
+	ui.ColorDefault
+	ui.ColorBlack
+	ui.ColorRed
+	ui.ColorGreen
+	ui.ColorYellow
+	ui.ColorBlue
+	ui.ColorMagenta
+	ui.ColorCyan
+	ui.ColorWhite
+*/
+
+var ColorMap = map[string]ui.Attribute{
+	"fg":                 ui.ColorWhite,
+	"bg":                 ui.ColorDefault,
+	"block.bg":           ui.ColorDefault,
+	"border.bg":          ui.ColorDefault,
+	"border.fg":          ui.ColorWhite,
+	"label.bg":           ui.ColorDefault,
+	"label.fg":           ui.ColorGreen,
+	"menu.text.fg":       ui.ColorWhite,
+	"menu.text.bg":       ui.ColorDefault,
+	"menu.border.fg":     ui.ColorCyan,
+	"menu.label.fg":      ui.ColorGreen,
+	"header.fg":          ui.ColorBlack,
+	"header.bg":          ui.ColorWhite,
+	"gauge.bar.bg":       ui.ColorGreen,
+	"gauge.percent.fg":   ui.ColorWhite,
+	"linechart.axes.fg":  ui.ColorDefault,
+	"linechart.line.fg":  ui.ColorGreen,
+	"mbarchart.bar.bg":   ui.ColorGreen,
+	"mbarchart.num.fg":   ui.ColorWhite,
+	"mbarchart.text.fg":  ui.ColorWhite,
+	"par.text.fg":        ui.ColorWhite,
+	"par.text.bg":        ui.ColorDefault,
+	"sparkline.line.fg":  ui.ColorGreen,
+	"sparkline.title.fg": ui.ColorWhite,
+}

cwidgets/compact/gauge.go

@@ -14,7 +14,6 @@ func NewGaugeCol() *GaugeCol {
 	g.Border = false
 	g.Percent = 0
 	g.PaddingBottom = 0
-	g.BarColor = ui.ColorGreen
 	g.Label = "-"
 	return &GaugeCol{g}
 }

cwidgets/compact/setters.go

@@ -18,7 +18,7 @@ func (row *Compact) SetCPU(val int) {
 	row.Cpu.Label = fmt.Sprintf("%s%%", strconv.Itoa(val))
 	if val < 5 {
 		val = 5
-		row.Cpu.BarColor = ui.ColorBlack
+		row.Cpu.BarColor = ui.ThemeAttr("gauge.bar.bg")
 	}
 	row.Cpu.Percent = val
 }
@@ -29,7 +29,7 @@ func (row *Compact) SetMem(val int64, limit int64, percent int) {
 		percent = 5
 		row.Memory.BarColor = ui.ColorBlack
 	} else {
-		row.Memory.BarColor = ui.ColorGreen
+		row.Memory.BarColor = ui.ThemeAttr("gauge.bar.bg")
 	}
 	row.Memory.Percent = percent
 }

cwidgets/compact/text.go

@@ -17,7 +17,7 @@ func NewTextCol(s string) *TextCol {
 }
 
 func (w *TextCol) Highlight() {
-	w.TextFgColor = ui.ThemeAttr("par.text.bg")
+	w.TextFgColor = ui.ColorBlack
 	w.TextBgColor = ui.ThemeAttr("par.text.fg")
 }
 

cwidgets/expanded/cpu.go

@@ -17,8 +17,6 @@ func NewCpu() *Cpu {
 	cpu.Width = colWidth[0]
 	cpu.X = 0
 	cpu.DataLabels = cpu.hist.Labels
-	cpu.AxesColor = ui.ColorDefault
-	cpu.LineColor = ui.ColorGreen
 
 	// hack to force the default minY scale to 0
 	tmpData := []float64{20}

cwidgets/expanded/info.go

@@ -15,7 +15,7 @@ func NewInfo(id string) *Info {
 	p := ui.NewTable()
 	p.Height = 4
 	p.Width = colWidth[0]
-	p.FgColor = ui.ColorWhite
+	p.FgColor = ui.ThemeAttr("par.text.fg")
 	p.Seperator = false
 	i := &Info{p, make(map[string]string)}
 	i.Set("id", id)

cwidgets/expanded/mem.go

@@ -57,7 +57,6 @@ func newMemLabel() *ui.Par {
 	p.Border = false
 	p.Height = 1
 	p.Width = 20
-	p.TextFgColor = ui.ColorDefault
 	return p
 }
 
@@ -67,9 +66,6 @@ func newMemChart() *ui.MBarChart {
 	mbar.Border = false
 	mbar.BarGap = 1
 	mbar.BarWidth = 6
-	mbar.TextColor = ui.ColorDefault
-
-	mbar.BarColor[0] = ui.ColorGreen
 
 	mbar.BarColor[1] = ui.ColorBlack
 	mbar.NumColor[1] = ui.ColorBlack

cwidgets/expanded/net.go

@@ -26,14 +26,12 @@ func NewNet() *Net {
 	rx.Title = "RX"
 	rx.Height = 1
 	rx.Data = net.rxHist.Data
-	rx.TitleColor = ui.ColorDefault
 	rx.LineColor = ui.ColorGreen
 
 	tx := ui.NewSparkline()
 	tx.Title = "TX"
 	tx.Height = 1
 	tx.Data = net.txHist.Data
-	tx.TitleColor = ui.ColorDefault
 	tx.LineColor = ui.ColorYellow
 
 	net.Lines = []ui.Sparkline{rx, tx}

main.go

@@ -26,6 +26,7 @@ func main() {
 	defer panicExit()
 
 	// init ui
+	ui.ColorMap = ColorMap // override default colormap
 	if err := ui.Init(); err != nil {
 		panic(err)
 	}

menus.go

@@ -23,9 +23,7 @@ func HelpMenu() {
 	defer ui.DefaultEvtStream.ResetHandlers()
 
 	m := menu.NewMenu()
-	m.TextFgColor = ui.ColorWhite
 	m.BorderLabel = "Help"
-	m.BorderFg = ui.ColorCyan
 	m.AddItems(helpDialog...)
 	ui.Render(m)
 	ui.Handle("/sys/kbd/", func(ui.Event) {
@@ -39,9 +37,7 @@ func FilterMenu() {
 	defer ui.DefaultEvtStream.ResetHandlers()
 
 	i := widgets.NewInput()
-	i.TextFgColor = ui.ColorWhite
 	i.BorderLabel = "Filter"
-	i.BorderFg = ui.ColorCyan
 	i.SetY(ui.TermHeight() - i.Height)
 	ui.Render(i)
 
@@ -72,9 +68,7 @@ func SortMenu() {
 	m := menu.NewMenu()
 	m.Selectable = true
 	m.SortItems = true
-	m.TextFgColor = ui.ColorWhite
 	m.BorderLabel = "Sort Field"
-	m.BorderFg = ui.ColorCyan
 
 	for _, field := range SortFields() {
 		m.AddItems(menu.Item{field, ""})

widgets/header.go

@@ -41,7 +41,7 @@ func headerBgBordered() *ui.Par {
 	bg := ui.NewPar("")
 	bg.X = 1
 	bg.Height = 3
-	bg.Bg = ui.ColorWhite
+	bg.Bg = ui.ThemeAttr("header.bg")
 	return bg
 }
 
@@ -50,7 +50,7 @@ func headerBg() *ui.Par {
 	bg.X = 1
 	bg.Height = 1
 	bg.Border = false
-	bg.Bg = ui.ColorWhite
+	bg.Bg = ui.ThemeAttr("header.bg")
 	return bg
 }
 
@@ -77,8 +77,8 @@ func headerPar(x int, s string) *ui.Par {
 	p.Border = false
 	p.Height = 1
 	p.Width = 20
-	p.TextFgColor = ui.ColorDefault
-	p.TextBgColor = ui.ColorWhite
-	p.Bg = ui.ColorWhite
+	p.Bg = ui.ThemeAttr("header.bg")
+	p.TextFgColor = ui.ThemeAttr("header.fg")
+	p.TextBgColor = ui.ThemeAttr("header.bg")
 	return p
 }

widgets/input.go

@@ -28,10 +28,12 @@ func NewInput() *Input {
 		Block:       *ui.NewBlock(),
 		Label:       "input",
 		MaxLen:      20,
-		TextFgColor: ui.ThemeAttr("par.text.fg"),
-		TextBgColor: ui.ThemeAttr("par.text.bg"),
+		TextFgColor: ui.ThemeAttr("menu.text.fg"),
+		TextBgColor: ui.ThemeAttr("menu.text.bg"),
 		padding:     Padding{4, 2},
 	}
+	i.BorderFg = ui.ThemeAttr("menu.border.fg")
+	i.BorderLabelFg = ui.ThemeAttr("menu.label.fg")
 	i.calcSize()
 	return i
 }

widgets/menu/main.go

@@ -22,11 +22,13 @@ type Menu struct {
 func NewMenu() *Menu {
 	m := &Menu{
 		Block:       *ui.NewBlock(),
-		TextFgColor: ui.ThemeAttr("par.text.fg"),
-		TextBgColor: ui.ThemeAttr("par.text.bg"),
+		TextFgColor: ui.ThemeAttr("menu.text.fg"),
+		TextBgColor: ui.ThemeAttr("menu.text.bg"),
 		cursorPos:   0,
 		padding:     Padding{4, 2},
 	}
+	m.BorderFg = ui.ThemeAttr("menu.border.fg")
+	m.BorderLabelFg = ui.ThemeAttr("menu.label.fg")
 	m.X = 1
 	return m
 }
@@ -86,7 +88,7 @@ func (m *Menu) Buffer() ui.Buffer {
 		for _, ch := range item.Text() {
 			// invert bg/fg colors on currently selected row
 			if m.Selectable && n == m.cursorPos {
-				cell = ui.Cell{Ch: ch, Fg: m.TextBgColor, Bg: m.TextFgColor}
+				cell = ui.Cell{Ch: ch, Fg: ui.ColorBlack, Bg: m.TextFgColor}
 			} else {
 				cell = ui.Cell{Ch: ch, Fg: m.TextFgColor, Bg: m.TextBgColor}
 			}