soft-serve

 1package viewport
 2
 3import (
 4	"charm.land/bubbles/v2/key"
 5	"charm.land/bubbles/v2/viewport"
 6	tea "charm.land/bubbletea/v2"
 7	"github.com/charmbracelet/soft-serve/pkg/ui/common"
 8)
 9
10// Viewport represents a viewport component.
11type Viewport struct {
12	common common.Common
13	*viewport.Model
14}
15
16// New returns a new Viewport.
17func New(c common.Common) *Viewport {
18	vp := viewport.New()
19	vp.SetWidth(c.Width)
20	vp.SetHeight(c.Height)
21	vp.MouseWheelEnabled = true
22	return &Viewport{
23		common: c,
24		Model:  &vp,
25	}
26}
27
28// SetSize implements common.Component.
29func (v *Viewport) SetSize(width, height int) {
30	v.common.SetSize(width, height)
31	v.Model.SetWidth(width)
32	v.Model.SetHeight(height)
33}
34
35// Init implements tea.Model.
36func (v *Viewport) Init() tea.Cmd {
37	return nil
38}
39
40// Update implements tea.Model.
41func (v *Viewport) Update(msg tea.Msg) (common.Model, tea.Cmd) {
42	switch msg := msg.(type) {
43	case tea.KeyPressMsg:
44		switch {
45		case key.Matches(msg, v.common.KeyMap.GotoTop):
46			v.GotoTop()
47		case key.Matches(msg, v.common.KeyMap.GotoBottom):
48			v.GotoBottom()
49		}
50	}
51	vp, cmd := v.Model.Update(msg)
52	v.Model = &vp
53	return v, cmd
54}
55
56// View implements tea.Model.
57func (v *Viewport) View() string {
58	return v.Model.View()
59}
60
61// SetContent sets the viewport's content.
62func (v *Viewport) SetContent(content string) {
63	v.Model.SetContent(content)
64}
65
66// GotoTop moves the viewport to the top of the log.
67func (v *Viewport) GotoTop() {
68	v.Model.GotoTop()
69}
70
71// GotoBottom moves the viewport to the bottom of the log.
72func (v *Viewport) GotoBottom() {
73	v.Model.GotoBottom()
74}
75
76// HalfViewDown moves the viewport down by half the viewport height.
77func (v *Viewport) HalfViewDown() {
78	v.Model.HalfPageDown()
79}
80
81// HalfViewUp moves the viewport up by half the viewport height.
82func (v *Viewport) HalfViewUp() {
83	v.Model.HalfPageUp()
84}
85
86// ScrollPercent returns the viewport's scroll percentage.
87func (v *Viewport) ScrollPercent() float64 {
88	return v.Model.ScrollPercent()
89}