forked from tslocum/cview
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62 lines
1.8 KiB
62 lines
1.8 KiB
package main |
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import ( |
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"fmt" |
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"strings" |
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"github.com/gdamore/tcell/v2" |
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"gitlab.com/tslocum/cview" |
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) |
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const logo = ` |
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======= === === === ======== === === === |
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=== === === === === === === === |
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=== === === === ====== === === === |
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=== ====== === === =========== |
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======= == === ======== ==== ==== |
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` |
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const ( |
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subtitle = `Terminal-based user interface toolkit` |
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mouse = `Navigate with your keyboard or mouse.` |
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navigation = `Next slide: Ctrl-N Previous: Ctrl-P Exit: Ctrl-C` |
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) |
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// Cover returns the cover page. |
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func Cover(nextSlide func()) (title string, content cview.Primitive) { |
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// What's the size of the logo? |
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lines := strings.Split(logo, "\n") |
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logoWidth := 0 |
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logoHeight := len(lines) |
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for _, line := range lines { |
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if len(line) > logoWidth { |
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logoWidth = len(line) |
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} |
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} |
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logoBox := cview.NewTextView(). |
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SetTextColor(tcell.ColorGreen.TrueColor()). |
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SetDoneFunc(func(key tcell.Key) { |
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nextSlide() |
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}) |
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fmt.Fprint(logoBox, logo) |
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// Create a frame for the subtitle and navigation infos. |
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frame := cview.NewFrame(cview.NewBox()). |
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SetBorders(0, 0, 0, 0, 0, 0). |
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AddText(subtitle, true, cview.AlignCenter, tcell.ColorWhite.TrueColor()). |
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AddText("", true, cview.AlignCenter, tcell.ColorWhite.TrueColor()). |
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AddText(mouse, true, cview.AlignCenter, tcell.ColorDarkMagenta.TrueColor()). |
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AddText(navigation, true, cview.AlignCenter, tcell.ColorDarkMagenta.TrueColor()) |
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// Create a Flex layout that centers the logo and subtitle. |
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flex := cview.NewFlex(). |
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SetDirection(cview.FlexRow). |
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AddItem(cview.NewBox(), 0, 7, false). |
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AddItem(cview.NewFlex(). |
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AddItem(cview.NewBox(), 0, 1, false). |
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AddItem(logoBox, logoWidth, 1, true). |
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AddItem(cview.NewBox(), 0, 1, false), logoHeight, 1, true). |
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AddItem(frame, 0, 10, false) |
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return "Start", flex |
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}
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