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v/examples/term.ui/event_viewer.v

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import term.ui as tui
struct App {
mut:
tui &tui.Context = unsafe { nil }
}
fn event(e &tui.Event, x voidptr) {
mut app := &App(x)
app.tui.clear()
app.tui.set_cursor_position(0, 0)
app.tui.write('V term.input event viewer (press `esc` to exit)\n\n')
app.tui.write('${e}')
app.tui.write('\n\nRaw event bytes: "${e.utf8.bytes().hex()}" = ${e.utf8.bytes()}')
if !e.modifiers.is_empty() {
app.tui.write('\nModifiers: ${e.modifiers} = ')
if e.modifiers.has(.ctrl) {
app.tui.write('ctrl. ')
}
if e.modifiers.has(.shift) {
app.tui.write('shift ')
}
if e.modifiers.has(.alt) {
app.tui.write('alt. ')
}
}
app.tui.flush()
if e.typ == .key_down && e.code == .escape {
exit(0)
}
}
fn main() {
mut app := &App{}
app.tui = tui.init(
user_data: app
event_fn: event
window_title: 'V term.ui event viewer'
hide_cursor: true
capture_events: true
frame_rate: 60
use_alternate_buffer: false
)
println('V term.ui event viewer (press `esc` to exit)\n\n')
app.tui.run()?
}