func font(driver gxui.Driver) gxui.Font {
desiredFonts := settings.DesiredFonts()
if len(desiredFonts) == 0 {
return nil
}
fontReader, err := fonts.Load(desiredFonts...)
if err != nil {
log.Printf("Error searching for fonts %v: %s", desiredFonts, err)
return nil
}
if closer, ok := fontReader.(io.Closer); ok {
defer closer.Close()
}
fontBytes, err := ioutil.ReadAll(fontReader)
if err != nil {
log.Printf("Failed to read font file: %s", err)
return nil
}
font, err := driver.CreateFont(fontBytes, 12)
if err != nil {
log.Printf("Could not parse font: %s", err)
return nil
}
return font
}
func CreateTheme(driver gxui.Driver) gxui.Theme {
defaultFont, err := driver.CreateFont(gxfont.Default, 12)
if err == nil {
defaultFont.LoadGlyphs(32, 126)
} else {
fmt.Printf("Warning: Failed to load default font - %v\n", err)
}
defaultMonospaceFont, err := driver.CreateFont(gxfont.Monospace, 12)
if err == nil {
defaultFont.LoadGlyphs(32, 126)
} else {
fmt.Printf("Warning: Failed to load default monospace font - %v\n", err)
}
scrollBarRailDefaultBg := gxui.Black
scrollBarRailDefaultBg.A = 0.7
scrollBarRailOverBg := gxui.Gray20
scrollBarRailOverBg.A = 0.7
neonBlue := gxui.ColorFromHex(0xFF5C8CFF)
focus := gxui.ColorFromHex(0xA0C4D6FF)
return &basic.Theme{
DriverInfo: driver,
DefaultFontInfo: defaultFont,
DefaultMonospaceFontInfo: defaultMonospaceFont,
WindowBackground: gxui.Black,
// fontColor brushColor penColor
BubbleOverlayStyle: basic.CreateStyle(gxui.Gray80, gxui.Gray20, gxui.Gray40, 1.0),
ButtonDefaultStyle: basic.CreateStyle(gxui.Gray80, gxui.Gray10, gxui.Gray20, 1.0),
ButtonOverStyle: basic.CreateStyle(gxui.Gray90, gxui.Gray15, gxui.Gray50, 1.0),
ButtonPressedStyle: basic.CreateStyle(gxui.Gray20, gxui.Gray70, gxui.Gray30, 1.0),
CodeSuggestionListStyle: basic.CreateStyle(gxui.Gray80, gxui.Gray20, gxui.Gray10, 1.0),
DropDownListDefaultStyle: basic.CreateStyle(gxui.Gray80, gxui.Gray10, gxui.Gray20, 1.0),
DropDownListOverStyle: basic.CreateStyle(gxui.Gray80, gxui.Gray15, gxui.Gray50, 1.0),
FocusedStyle: basic.CreateStyle(gxui.Gray80, gxui.Transparent, focus, 1.0),
HighlightStyle: basic.CreateStyle(gxui.Gray80, gxui.Transparent, neonBlue, 2.0),
LabelStyle: basic.CreateStyle(gxui.Gray80, gxui.Transparent, gxui.Transparent, 0.0),
PanelBackgroundStyle: basic.CreateStyle(gxui.Gray80, gxui.Gray10, gxui.Gray15, 1.0),
ScrollBarBarDefaultStyle: basic.CreateStyle(gxui.Gray80, gxui.Gray30, gxui.Gray40, 1.0),
ScrollBarBarOverStyle: basic.CreateStyle(gxui.Gray80, gxui.Gray50, gxui.Gray60, 1.0),
ScrollBarRailDefaultStyle: basic.CreateStyle(gxui.Gray80, scrollBarRailDefaultBg, gxui.Transparent, 1.0),
ScrollBarRailOverStyle: basic.CreateStyle(gxui.Gray80, scrollBarRailOverBg, gxui.Gray20, 1.0),
SplitterBarDefaultStyle: basic.CreateStyle(gxui.Gray80, gxui.Gray10, gxui.Gray10, 1.0),
SplitterBarOverStyle: basic.CreateStyle(gxui.Gray80, gxui.Gray10, gxui.Gray50, 1.0),
TabActiveHighlightStyle: basic.CreateStyle(gxui.Gray90, neonBlue, neonBlue, 0.0),
TabDefaultStyle: basic.CreateStyle(gxui.Gray80, gxui.Gray30, gxui.Gray40, 1.0),
TabOverStyle: basic.CreateStyle(gxui.Gray90, gxui.Gray30, gxui.Gray50, 1.0),
TabPressedStyle: basic.CreateStyle(gxui.Gray20, gxui.Gray70, gxui.Gray30, 1.0),
TextBoxDefaultStyle: basic.CreateStyle(gxui.Gray80, gxui.Gray10, gxui.Gray20, 1.0),
TextBoxOverStyle: basic.CreateStyle(gxui.Gray80, gxui.Gray10, gxui.Gray50, 1.0),
}
}
func appMain(driver gxui.Driver) {
theme := flags.CreateTheme(driver)
font, err := driver.CreateFont(gxfont.Default, 75)
if err != nil {
panic(err)
}
window := theme.CreateWindow(380, 100, "Hi")
window.SetBackgroundBrush(gxui.CreateBrush(gxui.Gray50))
label := theme.CreateLabel()
label.SetFont(font)
label.SetText("Hello world")
window.AddChild(label)
ticker := time.NewTicker(time.Millisecond * 30)
go func() {
phase := float32(0)
for _ = range ticker.C {
c := gxui.Color{
R: 0.75 + 0.25*math.Cosf((phase+0.000)*math.TwoPi),
G: 0.75 + 0.25*math.Cosf((phase+0.333)*math.TwoPi),
B: 0.75 + 0.25*math.Cosf((phase+0.666)*math.TwoPi),
A: 0.50 + 0.50*math.Cosf(phase*10),
}
phase += 0.01
driver.Call(func() {
label.SetColor(c)
})
}
}()
window.OnClose(ticker.Stop)
window.OnClose(driver.Terminate)
}
