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bubbletea
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Sync pager viewport when starting up and resizing

This commit is contained in:
Christian Rocha 2020-06-18 12:33:58 -04:00
parent 6ea16d0b9c
commit 116ab34eb8
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GPG Key ID: D6CC7A16E5878018
1 changed files with 11 additions and 2 deletions
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13
examples/pager/main.go
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@ -81,6 +81,11 @@ func initialize(content string) func() (tea.Model, tea.Cmd) {
func update(msg tea.Msg, mdl tea.Model) (tea.Model, tea.Cmd) {
m, _ := mdl.(model)
var (
cmd tea.Cmd
cmds []tea.Cmd
)
switch msg := msg.(type) {
case tea.KeyMsg:
if msg.Type == tea.KeyCtrlC {
@ -107,6 +112,9 @@ func update(msg tea.Msg, mdl tea.Model) (tea.Model, tea.Cmd) {
m.viewport.Height = h - viewportBottomMargin
}
// Render (or re-render) the whole viewport
cmds = append(cmds, viewport.Sync(m.viewport))
case resizeMsg:
return m, tea.Batch(getTerminalSize(), listenForResize())
}
@ -116,10 +124,10 @@ func update(msg tea.Msg, mdl tea.Model) (tea.Model, tea.Cmd) {
//
// * Recieves messages from the Bubble Tea runtime
// * Returns commands to the Bubble Tea runtime
var cmd tea.Cmd
m.viewport, cmd = viewport.Update(msg, m.viewport)
cmds = append(cmds, cmd)
return m, cmd
return m, tea.Batch(cmds...)
}
func view(mdl tea.Model) string {
@ -128,6 +136,7 @@ func view(mdl tea.Model) string {
return "\nError:" + m.err.Error()
} else if m.ready {
return viewport.View(m.viewport)
return fmt.Sprintf(
"── Mr. Pager ──\n\n%s\n\n── %3.f%% ──",
viewport.View(m.viewport),