78 lines
1.5 KiB
Go
78 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/jroimartin/gocui"
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)
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type View struct {
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Name string
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Title string
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Placeholder string
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Cursor bool
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Current bool
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Highlight bool
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TopLeft func(int, int) (int, int)
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BotRight func(int, int) (int, int)
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SelBgColor gocui.Attribute
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SelFgColor gocui.Attribute
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Keybindings []Binding
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Manager ViewManager
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}
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type ViewManager struct {
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g *gocui.Gui
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views []*View
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}
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func NewViewManager(g *gocui.Gui, views []*View) *ViewManager {
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vm := ViewManager{
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g: g,
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views: views,
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}
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// Attach a ViewManager instance to Views
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for _, v := range vm.views {
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v.Manager = vm
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}
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return &vm
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}
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func (m *ViewManager) Layout(g *gocui.Gui) error {
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mx, my := g.Size()
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for _, cfg := range m.views {
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x0, y0 := cfg.TopLeft(mx, my)
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x1, y1 := cfg.BotRight(mx, my)
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v, err := g.SetView(cfg.Name, x0, y0, x1, y1)
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if err == nil && err != gocui.ErrUnknownView {
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return err
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}
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v.SelFgColor = cfg.SelFgColor
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v.SelBgColor = cfg.SelBgColor
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v.Title = cfg.Title
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v.Highlight = cfg.Highlight
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if cfg.Cursor {
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v.SetCursor(0, 0)
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}
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if cfg.Current {
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g.SetCurrentView("main")
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}
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fmt.Fprintln(v, cfg.Placeholder)
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cfg.SetKeybindings(g)
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}
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return nil
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}
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func (v *View) SetKeybindings(g *gocui.Gui) error {
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for _, b := range v.Keybindings {
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// IDEA: I can pass a method instead of a function here
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if err := g.SetKeybinding("", b.Key, b.Mod, b.Handler); err != nil {
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return err
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}
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}
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return nil
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}
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