支持中文字体

cmd/win/main.go

@@ -1,16 +1,24 @@
 package main
 
 import (
+	"errors"
+	"image/color"
 	"log"
+	"strings"
 
 	"fyne.io/fyne/v2"
 	"fyne.io/fyne/v2/app"
 	"fyne.io/fyne/v2/dialog"
+	"fyne.io/fyne/v2/theme"
 	"fyne.io/fyne/v2/widget"
 )
 
 func main() {
+	t := &myTheme{}
+	t.SetFonts("./assets/font/Consolas-with-Yahei Nerd Font.ttf", "")
+
 	a := app.NewWithID("dreamfactory")
+	a.Settings().SetTheme(t)
 	win := a.NewWindow("昊天锤")
 	win.Resize(fyne.NewSize(1366, 768))
 	win.CenterOnScreen()
@@ -45,9 +53,73 @@ func ShowLoginFormDialog(win fyne.Window) {
 		log.Println("Please Authenticate", username.Text, rememberText)
 		if username.Text != "admin" {
 			// widget.NewButton("Error", func() {
-			// 	err := errors.New("account 错误")
-			// 	dialog.ShowError(err, win)
-			// }),
+			err := errors.New("account 错误")
+			dialog.ShowError(err, win)
+			// })
 		}
 	}, win)
 }
+
+type myTheme struct {
+	regular, bold, italic, boldItalic, monospace fyne.Resource
+}
+
+func (t *myTheme) Color(name fyne.ThemeColorName, variant fyne.ThemeVariant) color.Color {
+	return theme.DefaultTheme().Color(name, variant)
+}
+
+func (t *myTheme) Icon(name fyne.ThemeIconName) fyne.Resource {
+	return theme.DefaultTheme().Icon(name)
+}
+
+func (m *myTheme) Font(style fyne.TextStyle) fyne.Resource {
+	if style.Monospace {
+		return m.monospace
+	}
+	if style.Bold {
+		if style.Italic {
+			return m.boldItalic
+		}
+		return m.bold
+	}
+	if style.Italic {
+		return m.italic
+	}
+	return m.regular
+}
+
+func (m *myTheme) Size(name fyne.ThemeSizeName) float32 {
+	return theme.DefaultTheme().Size(name)
+}
+
+func (t *myTheme) SetFonts(regularFontPath string, monoFontPath string) {
+	t.regular = theme.TextFont()
+	t.bold = theme.TextBoldFont()
+	t.italic = theme.TextItalicFont()
+	t.boldItalic = theme.TextBoldItalicFont()
+	t.monospace = theme.TextMonospaceFont()
+
+	if regularFontPath != "" {
+		t.regular = loadCustomFont(regularFontPath, "Regular", t.regular)
+		t.bold = loadCustomFont(regularFontPath, "Bold", t.bold)
+		t.italic = loadCustomFont(regularFontPath, "Italic", t.italic)
+		t.boldItalic = loadCustomFont(regularFontPath, "BoldItalic", t.boldItalic)
+	}
+	if monoFontPath != "" {
+		t.monospace = loadCustomFont(monoFontPath, "Regular", t.monospace)
+	} else {
+		t.monospace = t.regular
+	}
+}
+
+func loadCustomFont(env, variant string, fallback fyne.Resource) fyne.Resource {
+	variantPath := strings.Replace(env, "Regular", variant, -1)
+
+	res, err := fyne.LoadResourceFromPath(variantPath)
+	if err != nil {
+		fyne.LogError("Error loading specified font", err)
+		return fallback
+	}
+
+	return res
+}