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neonmodem/ui/ui.go

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package ui
import (
// "fmt"
"strings"
"github.com/mrusme/gobbs/ui/ctx"
"github.com/mrusme/gobbs/ui/header"
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"github.com/mrusme/gobbs/ui/views/posts"
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"github.com/mrusme/gobbs/ui/views"
"github.com/charmbracelet/bubbles/key"
tea "github.com/charmbracelet/bubbletea"
)
type KeyMap struct {
Up key.Binding
Down key.Binding
Quit key.Binding
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}
var DefaultKeyMap = KeyMap{
Up: key.NewBinding(
key.WithKeys("k", "up"),
key.WithHelp("↑/k", "move up"),
),
Down: key.NewBinding(
key.WithKeys("j", "down"),
key.WithHelp("↓/j", "move down"),
),
Quit: key.NewBinding(
key.WithKeys("q", "ctrl+q"),
key.WithHelp("q/Q", "quit"),
),
}
type Model struct {
keymap KeyMap
header header.Model
views []views.View
currentView int
ctx *ctx.Ctx
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}
func NewModel(c *ctx.Ctx) Model {
m := Model{
keymap: DefaultKeyMap,
currentView: 0,
ctx: c,
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}
m.header = header.NewModel(m.ctx)
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m.views = append(m.views, posts.NewModel(m.ctx))
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return m
}
func (m Model) Init() tea.Cmd {
return tea.Batch(tea.EnterAltScreen)
}
func (m Model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
cmds := make([]tea.Cmd, 0)
switch msg := msg.(type) {
case tea.KeyMsg:
switch {
case key.Matches(msg, m.keymap.Quit):
return m, tea.Quit
}
case tea.WindowSizeMsg:
m.setSizes(msg.Width, msg.Height)
for i := range m.views {
v, cmd := m.views[i].Update(msg)
m.views[i] = v
cmds = append(cmds, cmd)
}
}
v, cmd := m.views[m.currentView].Update(msg)
m.views[m.currentView] = v
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cmds = append(cmds, cmd)
header, cmd := m.header.Update(msg)
m.header = header
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cmds = append(cmds, cmd)
return m, tea.Batch(cmds...)
}
func (m Model) View() string {
s := strings.Builder{}
s.WriteString(m.header.View() + "\n\n")
s.WriteString(m.views[m.currentView].View())
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return s.String()
}
func (m Model) setSizes(winWidth int, winHeight int) {
(*m.ctx).Screen[0] = winWidth
(*m.ctx).Screen[1] = winHeight
m.ctx.Content[0] = m.ctx.Screen[0]
m.ctx.Content[1] = m.ctx.Screen[1] - 5
}