tapper/src/Console/Application.php at master · tapperphp/tapper · GitHub

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<?php

namespace Tapper\Console;

use DI\Container;

use PhpTui\Term\Actions;

use PhpTui\Term\Event;

use PhpTui\Term\Event\CharKeyEvent;

use PhpTui\Term\Event\CodedKeyEvent;

use PhpTui\Term\Event\MouseEvent;

use PhpTui\Term\EventParser;

use PhpTui\Term\KeyCode;

use PhpTui\Term\MouseEventKind;

use PhpTui\Term\Terminal;

use PhpTui\Tui\Bridge\PhpTerm\PhpTermBackend;

use PhpTui\Tui\Display\Area;

use PhpTui\Tui\Display\Display;

use PhpTui\Tui\Extension\Core\Widget\CompositeWidget;

use React\EventLoop\LoopInterface;

use React\Stream\ReadableResourceStream;

use Tapper\Console\Components\Filter;

use Tapper\Console\State\AppState;

use Tapper\Console\Windows\Main;

use Tapper\Console\Windows\Popup;

use Tapper\Server;

class Application

{

const RESIZE_RATE = 1 / 4;

const RENDER_RATE = 1 / 60;

private Component $window;

private Popup $popup;

private Filter $filter;

private Area $area;

private bool $shouldDraw = true;

public function __construct(

private LoopInterface $loop,

private Terminal $terminal,

private Display $display,

private PhpTermBackend $phpTermBackend,

private EventParser $eventParser,

private EventBus $eventBus,

private CommandInvoker $commandInvoker,

private Container $container,

private AppState $appState,

private Server $server,

) {}

public function run(?int $port = null): int

{

ErrorHandler::install($this->appState);

$this->area = $this->phpTermBackend->size();

$this->appState->version = 'v0.1.1';

$this->appState->port = $port;

$this->terminal->execute(Actions::alternateScreenEnable());

$this->terminal->execute(Actions::cursorHide());

$this->terminal->execute(Actions::enableMouseCapture());

$this->terminal->enableRawMode();

$this->terminal->execute(Actions::moveCursor(0, 0));

$this->display->clear();

$this->init();

$this->startRendering();

$this->startInputHandling();

$this->server->run($port);

$this->loop->addSignal(SIGINT, function () {

$this->close();

});

$this->loop->addSignal(SIGTERM, function () {

$this->close();

});

$this->loop->run();

return 0;

}

private function init(): void

{

$this->window = $this->container->make(Main::class);

$this->popup = $this->container->make(Popup::class);

$this->filter = $this->container->make(Filter::class);

// Filter's own key bindings are non-global (see Filter.php), so it needs its

// isActive toggled explicitly — mirrors Main::afterInit()'s LogList/Details dance.

// Synchronous (no futureTick): typing a filter query can drain several char events

// from one stdin read, all dispatched within the same tick, and Filter needs to be

// active in time to catch them — see the matching note in Main::afterInit().

$this->appState->observe('typingMode', function (bool $typing): void {

if ($typing) {

$this->filter->activate();

} else {

$this->filter->deactivate();

}

});

}

private function startRendering(): void

{

$this->appState->setOnChange(fn () => $this->shouldDraw = true);

$this->loop->addPeriodicTimer(self::RESIZE_RATE, function () {

if ($this->area != $this->phpTermBackend->size()) {

$this->area = $this->phpTermBackend->size();

$this->draw($this->area);

$this->eventBus->emit('resize');

$this->shouldDraw = true;

}

});

$this->loop->addPeriodicTimer(self::RENDER_RATE, function () {

if ($this->shouldDraw) {

$this->shouldDraw = false;

$this->draw($this->area);

}

});

}

private function draw(Area $area): void

{

$widgets = [$this->window->render($area)];

if ($this->appState->popupOpen) {

$widgets[] = $this->popup->render($area);

}

if ($this->appState->typingMode) {

$widgets[] = $this->filter->render($area);

}

$composite = CompositeWidget::fromWidgets(...$widgets);

$this->display->draw($composite);

}

private function startInputHandling(): void

{

$stdin = new ReadableResourceStream(STDIN, $this->loop);

$stdin->on('data', function ($data) {

$this->eventParser->advance($data, false);

foreach ($this->eventParser->drain() as $event) {

// Captured before handleEvent(): if this exact event is the one that just

// flipped typingMode on (e.g. the '/' that starts a filter), it shouldn't

// also be treated as typed filter input — that key press activates typing

// mode, it doesn't type into it.

$wasTyping = $this->appState->typingMode;

$this->handleEvent($event);

if ($wasTyping) {

$this->handleEventInTypingMode($event);

}

// `stty raw` (enabled by Terminal::enableRawMode()) disables ISIG, so Ctrl+C

// never reaches us as SIGINT — it arrives as byte 0x03 (ETX) on stdin instead.

// Ctrl+C always quits; 'q' only quits outside typing mode, since it's a normal

// character you'd type into the filter box otherwise.

if ($data === "\x03" || (! $this->appState->typingMode && $data === 'q')) {

$this->close();

}

});

}

private function handleEvent(Event $event): void

{

$supportedEvents = [

CharKeyEvent::class,

CodedKeyEvent::class,

MouseEvent::class,

];

if (in_array($event::class, $supportedEvents)) {

$this->eventBus->emit($event);

}

private function handleEventInTypingMode(Event $event): void

{

if (! $this->appState->typingMode) {

return;

}

if ($event instanceof MouseEvent) {

if ($event->kind !== MouseEventKind::Down) {

return;

}

$this->appState->typingMode = false;

}

if ($event instanceof CharKeyEvent) {

// Emit the event's own char, not the raw stdin chunk — a single stdin read can

// drain multiple events (fast typing/paste), and they'd otherwise all share the

// same raw bytes, duplicating input.

$this->eventBus->emit('input', ['char' => $event->char]);

return;

}

if ($event instanceof CodedKeyEvent && $event->code === KeyCode::Esc) {

$this->appState->typingMode = false;

return;

}

public function close(): void

{

$this->loop->stop();

$this->terminal->disableRawMode();

$this->terminal->execute(Actions::disableMouseCapture());

$this->terminal->execute(Actions::cursorShow());

$this->terminal->execute(Actions::alternateScreenDisable());

}

tapper/src/Console/Application.php at master · tapperphp/tapper · GitHub

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