73 lines
1.5 KiB
Go
73 lines
1.5 KiB
Go
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package main
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import (
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"fmt"
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"github.com/boltdb/bolt"
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"github.com/nsf/termbox-go"
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"os"
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"syscall"
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)
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const PROGRAM_NAME = "boltbrowser"
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var database_file string
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var db *bolt.DB
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var memBolt *BoltDB
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func mainLoop(memBolt *BoltDB, style Style) {
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screens := defaultScreensForData(memBolt)
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display_screen := screens[BROWSER_SCREEN_INDEX]
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layoutAndDrawScreen(display_screen, style)
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for {
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event := termbox.PollEvent()
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if event.Type == termbox.EventKey {
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if event.Key == termbox.KeyCtrlZ {
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process, _ := os.FindProcess(os.Getpid())
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termbox.Close()
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process.Signal(syscall.SIGSTOP)
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termbox.Init()
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}
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new_screen_index := display_screen.handleKeyEvent(event)
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if new_screen_index < len(screens) {
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display_screen = screens[new_screen_index]
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layoutAndDrawScreen(display_screen, style)
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} else {
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break
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}
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}
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if event.Type == termbox.EventResize {
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layoutAndDrawScreen(display_screen, style)
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}
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}
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}
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func main() {
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var err error
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if len(os.Args) != 2 {
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fmt.Printf("Usage: %s <filename>\n", PROGRAM_NAME)
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os.Exit(1)
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}
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database_file := os.Args[1]
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db, err = bolt.Open(database_file, 0600, nil)
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if err != nil {
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fmt.Printf("Error reading file: %q\n", err.Error())
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os.Exit(1)
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}
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// First things first, load the database into memory
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memBolt.refreshDatabase()
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err = termbox.Init()
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if err != nil {
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panic(err)
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}
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defer termbox.Close()
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style := defaultStyle()
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termbox.SetOutputMode(termbox.Output256)
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mainLoop(memBolt, style)
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defer db.Close()
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}
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