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83 lines
1.7 KiB
Go
83 lines
1.7 KiB
Go
package main
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import (
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"github.com/jroimartin/gocui"
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)
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type CommandFunc func(*gocui.Gui, *gocui.View) error
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var COMMANDS map[string]func(string, *App) CommandFunc = map[string]func(string, *App) CommandFunc{
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"submit": func(_ string, a *App) CommandFunc {
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return a.SubmitRequest
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},
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"save": func(_ string, a *App) CommandFunc {
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return a.OpenSaveDialog
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},
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"history": func(_ string, a *App) CommandFunc {
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return a.ToggleHistory
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},
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"quit": func(_ string, _ *App) CommandFunc {
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return quit
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},
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"focus": func(args string, a *App) CommandFunc {
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return func(g *gocui.Gui, _ *gocui.View) error {
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return a.setViewByName(g, args)
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}
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},
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"nextView": func(_ string, a *App) CommandFunc {
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return a.NextView
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},
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"prevView": func(_ string, a *App) CommandFunc {
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return a.PrevView
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},
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"scrollDown": func(_ string, _ *App) CommandFunc {
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return scrollViewDown
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},
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"scrollUp": func(_ string, _ *App) CommandFunc {
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return scrollViewUp
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},
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"pageDown": func(_ string, _ *App) CommandFunc {
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return pageDown
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},
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"pageUp": func(_ string, _ *App) CommandFunc {
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return pageUp
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},
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}
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func scrollView(v *gocui.View, dy int) error {
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v.Autoscroll = false
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ox, oy := v.Origin()
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if oy+dy < 0 {
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dy = -oy
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}
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if _, err := v.Line(dy); dy > 0 && err != nil {
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dy = 0
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}
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v.SetOrigin(ox, oy+dy)
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return nil
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}
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func scrollViewUp(_ *gocui.Gui, v *gocui.View) error {
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return scrollView(v, -1)
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}
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func scrollViewDown(_ *gocui.Gui, v *gocui.View) error {
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return scrollView(v, 1)
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}
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func pageUp(_ *gocui.Gui, v *gocui.View) error {
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_, height := v.Size()
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scrollView(v, -height*2/3)
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return nil
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}
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func pageDown(_ *gocui.Gui, v *gocui.View) error {
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_, height := v.Size()
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scrollView(v, height*2/3)
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return nil
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}
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func quit(g *gocui.Gui, v *gocui.View) error {
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return gocui.ErrQuit
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}
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