41 lines
746 B
Go
41 lines
746 B
Go
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package main
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import "github.com/nsf/termbox-go"
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type Screen interface {
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handleKeyEvent(event termbox.Event) int
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performLayout()
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drawScreen(style Style)
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}
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const (
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BROWSER_SCREEN_INDEX = iota
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ABOUT_SCREEN_INDEX
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EXIT_SCREEN_INDEX
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)
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func defaultScreensForData(memBolt *BoltDB) []Screen {
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var view_port ViewPort
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var cursor Cursor
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browser_screen := BrowserScreen{*memBolt, cursor, view_port}
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about_screen := AboutScreen(0)
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screens := [...]Screen{
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&browser_screen,
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&about_screen,
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}
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return screens[:]
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}
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func drawBackground(bg termbox.Attribute) {
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termbox.Clear(0, bg)
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}
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func layoutAndDrawScreen(screen Screen, style Style) {
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screen.performLayout()
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drawBackground(style.default_bg)
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screen.drawScreen(style)
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termbox.Flush()
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}
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