Add: pages, text component

api/pages/initpage.go

@@ -0,0 +1,77 @@
+package pages
+
+import (
+	"fmt"
+
+	"gitea.unprism.ru/yotia/display-test/components"
+	"gitea.unprism.ru/yotia/display-test/drawer"
+)
+
+type initPage struct {
+	drawer drawer.Drawer // Drawer with dysplay
+
+	title components.Text
+	bar   components.ProgressBar
+}
+
+// Only functions that control content of page
+type InitPageContent interface {
+	SetTitle(title string)
+	GetProgressBar() components.ProgressBar
+}
+
+type InitPage interface {
+	Page
+	InitPageContent
+}
+
+func NewInitPage(d drawer.Drawer) (InitPage, error) {
+	if err := d.GetDisplay().IsReady(); err != nil {
+		return nil, fmt.Errorf("display is ready: %w", err)
+	}
+
+	title, err := components.NewText(d, 0, 0)
+	if err != nil {
+		return nil, fmt.Errorf("create title: %w", err)
+	}
+	pb, err := components.NewProgressBar(d, 0, drawer.LineH*3, d.W(), drawer.LineH) // Bottom
+	if err != nil {
+		return nil, fmt.Errorf("create progress bar: %w", err)
+	}
+	return &initPage{
+		drawer: d,
+		title:  title,
+		bar:    pb,
+	}, nil
+}
+
+func (p *initPage) Activate() {
+	// Draw
+	p.drawer.Clear()
+	p.title.Draw()
+	p.bar.Draw()
+}
+
+func (p *initPage) Diactivate() {
+	// Do not clear because next page will have to clear whole screen any way
+}
+
+func (p *initPage) SetTitle(title string) {
+	p.title.SetPos((p.drawer.W()-len(title)*(drawer.FontCharW+drawer.CharGap))/2, drawer.FontCharH) // Text in center
+	p.title.SetStr(title)
+}
+
+func (p *initPage) GetProgressBar() components.ProgressBar {
+	return p.bar
+}
+
+func (p *initPage) Close() (outErr error) {
+	// TODO Not the best way...
+	if err := p.title.Close(); err != nil {
+		outErr = fmt.Errorf("title close: %w:", err)
+	}
+	if err := p.bar.Close(); err != nil {
+		outErr = fmt.Errorf("progress bar close: %w:", err)
+	}
+	return
+}

api/pages/pages.go

@@ -0,0 +1,10 @@
+package pages
+
+import "io"
+
+type Page interface {
+	Activate()
+	Diactivate()
+
+	io.Closer
+}