git.iko.soy/crush
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crush/internal/tui/components/image/image.go
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1// Based on the implementation by @trashhalo at:
2// https://github.com/trashhalo/imgcat
3package image
5import (
6 "fmt"
7 _ "image/jpeg"
8 _ "image/png"
10 tea "charm.land/bubbletea/v2"
13type Model struct {
14 url string
15 image string
16 width uint
17 height uint
18 err error
21func New(width, height uint, url string) Model {
22 return Model{
23 width: width,
24 height: height,
25 url: url,
26 }
29func (m Model) Init() tea.Cmd {
30 return nil
33func (m Model) Update(msg tea.Msg) (Model, tea.Cmd) {
34 switch msg := msg.(type) {
35 case errMsg:
36 m.err = msg
37 return m, nil
38 case redrawMsg:
39 m.width = msg.width
40 m.height = msg.height
41 m.url = msg.url
42 return m, loadURL(m.url)
43 case loadMsg:
44 return handleLoadMsg(m, msg)
45 }
46 return m, nil
49func (m Model) View() string {
50 if m.err != nil {
51 return fmt.Sprintf("couldn't load image(s): %v", m.err)
52 }
53 return m.image
56type errMsg struct{ error }
58func (m Model) Redraw(width uint, height uint, url string) tea.Cmd {
59 return func() tea.Msg {
60 return redrawMsg{
61 width: width,
62 height: height,
63 url: url,
64 }
65 }
68func (m Model) UpdateURL(url string) tea.Cmd {
69 return func() tea.Msg {
70 return redrawMsg{
71 width: m.width,
72 height: m.height,
73 url: url,
74 }
75 }
78type redrawMsg struct {
79 width uint
80 height uint
81 url string
84func (m Model) IsLoading() bool {
85 return m.image == ""