"""The small recording indicator that appears in a screen corner without taking focus.""" import math import sys from PyQt6.QtCore import Qt, QTimer, QRectF, QPointF from PyQt6.QtGui import QColor, QCursor, QFont, QPainter, QPainterPath, QPen, QFontMetrics from PyQt6.QtWidgets import QWidget, QApplication BARS = 22 HEIGHT = 56 MIN_WIDTH = 210 MAX_WIDTH = 460 MARGIN = 28 GAP = 10 # between two indicators sharing a corner BG = QColor(22, 24, 29, 238) BORDER = QColor(255, 255, 255, 28) TEXT = QColor(235, 237, 242) MUTED = QColor(150, 156, 168) REC = QColor(240, 78, 82) BUSY = QColor(120, 170, 255) OK = QColor(80, 205, 140) ERR = QColor(240, 100, 90) WARN = QColor(240, 180, 80) THEM = QColor(110, 190, 255) # the other side of a meeting ASK = QColor(150, 140, 255) # recording a command rather than a dictation STATE_COLORS = {"recording": REC, "asking": ASK, "meeting": REC, "busy": BUSY, "done": OK, "warning": WARN, "error": ERR} LIVE = ("recording", "asking", "meeting") class Overlay(QWidget): """One indicator. Give it `below` and it stacks on top of that one instead of covering it, which is what lets a dictation and a command to the agent be under way at the same time and still both be visible.""" def __init__(self, corner="bottom-left", below=None, dismissable=False): super().__init__(None) self.corner = corner self.below = below # A job that can run for ten minutes should not have to be watched for # ten minutes. Clicking such an indicator puts the progress away; the # work carries on and its result still shows up. self.dismissable = dismissable self.muted = False self._stacked = False self.state = "idle" self.message = "" self.levels = [0.0] * BARS self.levels2 = [0.0] * BARS # the other side, while a meeting records self.seconds = 0.0 self._phase = 0.0 self._concealed = True flags = ( Qt.WindowType.FramelessWindowHint | Qt.WindowType.WindowStaysOnTopHint | Qt.WindowType.Tool | Qt.WindowType.WindowDoesNotAcceptFocus ) if sys.platform != "darwin": # It is the window manager that would otherwise move this out of # the corner. macOS has no such hint, and Qt warns about it. flags |= Qt.WindowType.X11BypassWindowManagerHint # One that can be clicked away has to receive the click, which means it # also swallows one aimed at whatever is underneath it. The rest stay # transparent to the mouse, as an indicator should be. It has to be this # flag and not WA_TransparentForMouseEvents: on a top-level window the # attribute only makes Qt drop the event it already took, so the click # never reaches the window below. The flag is the one that tells the # display server the window has no input region at all. It is read when # the window is created and cannot be turned off later without the # window being torn down and built again, which is why the dismissable # one has to shrink itself instead (see _conceal). if dismissable: self.setCursor(Qt.CursorShape.PointingHandCursor) else: flags |= Qt.WindowType.WindowTransparentForInput self.setWindowFlags(flags) self.setAttribute(Qt.WidgetAttribute.WA_TranslucentBackground) self.setAttribute(Qt.WidgetAttribute.WA_ShowWithoutActivating) self.setFocusPolicy(Qt.FocusPolicy.NoFocus) self.resize(MIN_WIDTH, HEIGHT) self._anim = QTimer(self) self._anim.setInterval(33) self._anim.timeout.connect(self._tick) self._hide_timer = QTimer(self) self._hide_timer.setSingleShot(True) self._hide_timer.timeout.connect(self._conceal) # ---- public API -------------------------------------------------- def show_recording(self, asking=False): """The same ribbon either way, in a different colour when what is being recorded is a command for Claude rather than something to paste.""" self.state = "asking" if asking else "recording" self.message = "" self.seconds = 0.0 self.levels = [0.0] * BARS self.muted = False # a new run starts visible, whatever the last one did self._hide_timer.stop() self._appear() def show_meeting(self): """Both channels at once: your voice up, the other side down.""" self.state = "meeting" self.message = "" self.seconds = 0.0 self.levels = [0.0] * BARS self.levels2 = [0.0] * BARS self._hide_timer.stop() self._appear() def show_busy(self, message): # Muted: the stages keep arriving and are simply not drawn. The state is # left alone as well, so nothing repaints the box back onto the screen. if self.muted: self.message = message return self.state = "busy" self.message = message self._hide_timer.stop() self._appear() def show_done(self, message="", msec=2000): self._finish("done", message, msec) def show_warning(self, message, msec=9000): """Finished, but something the user should know about went wrong.""" self._finish("warning", message, msec) def show_error(self, message, msec=6000): self._finish("error", message, msec) def _finish(self, state, message, msec): """An outcome always shows, even one that was told to be quiet: waving the progress away asks not to be watched, not to be kept in the dark.""" self.muted = False self.state = state self.message = message self._appear() self._hide_timer.start(msec) def dismiss(self): self._hide_timer.stop() self._conceal() def mousePressEvent(self, event): # Only a job in progress can be waved away. A recording is short and # ending it by accident would cost the words; an outcome goes on its own. if self.dismissable and self.state == "busy": self.muted = True self.dismiss() event.accept() @property def showing(self): """Mapped and actually painting something. The window stays mapped while idle, so isVisible() alone would always say yes.""" return self.isVisible() and not self._concealed def push_level(self, level): self.levels = self.levels[1:] + [level] def push_levels(self, mine, theirs): self.levels = self.levels[1:] + [mine] self.levels2 = self.levels2[1:] + [theirs] def set_seconds(self, seconds): self.seconds = seconds # ---- internals ----------------------------------------------------- def _appear(self): self._resize_to_content() self._reposition() if not self.isVisible(): self.show() if self._concealed: self.raise_() self._concealed = False if not self._anim.isActive(): self._anim.start() def _conceal(self): """Empty the window out instead of unmapping it. Unmapping tears the window down and the next dictation builds a new one, which makes the compositor repaint whatever sits underneath: on a tiled desktop the terminal behind visibly flinches every time the indicator goes away. So the window stays mapped and simply paints nothing. It has to be a real repaint, not just zero opacity: with the animation stopped nothing else damages the surface, and the stale frame would sit on the screen until some other event made the compositor redraw it. A window that stays mapped also stays clickable, though, and the one that can be dismissed is the one that takes clicks. Left at full size it would turn its corner of the screen into a dead zone long after there was anything to see there, so it shrinks to a point. Resizing keeps the surface alive, unlike hiding it. """ self._anim.stop() self.state = "hidden" self._concealed = True self.repaint() if self.dismissable: self.resize(1, 1) def _resize_to_content(self): if self.state in LIVE: # A meeting runs long enough to need an hours field. width = MIN_WIDTH + (24 if self.state == "meeting" else 0) else: metrics = QFontMetrics(self._label_font()) extra = 76 + (18 if self._can_dismiss else 0) width = max(MIN_WIDTH, min(MAX_WIDTH, metrics.horizontalAdvance(self.message) + extra)) self.resize(width, HEIGHT) def _reposition(self): # On a multi-monitor setup, show up where the user actually is. screen = QApplication.screenAt(QCursor.pos()) or QApplication.primaryScreen() area = screen.availableGeometry() left = "left" in self.corner top = "top" in self.corner self._stacked = self.below is not None and self.below.showing # Stack away from the edge the corner sits on, so the pair grows into the # screen rather than off it. step = (self.below.height() + GAP) if self._stacked else 0 x = area.left() + MARGIN if left else area.right() - self.width() - MARGIN y = (area.top() + MARGIN + step if top else area.bottom() - self.height() - MARGIN - step) self.move(int(x), int(y)) def _tick(self): self._phase += 0.12 # The one underneath can come and go while this one is up; drop back to # the corner when it does rather than leaving a gap where it was. if self.below is not None and self.below.showing != self._stacked: self._reposition() if self.state in LIVE: # keep the ribbon moving even through a pause in speech self.levels = self.levels[1:] + [self.levels[-1] * 0.72] if self.state == "meeting": self.levels2 = self.levels2[1:] + [self.levels2[-1] * 0.72] self.update() def _label_font(self): font = QFont(self.font()) font.setPointSizeF(10.5) return font # ---- painting -------------------------------------------------- def paintEvent(self, _event): if self.state == "hidden": return # translucent window, nothing drawn means nothing shown painter = QPainter(self) painter.setRenderHint(QPainter.RenderHint.Antialiasing) rect = QRectF(0.5, 0.5, self.width() - 1, self.height() - 1) path = QPainterPath() path.addRoundedRect(rect, 15, 15) painter.fillPath(path, BG) painter.setPen(QPen(BORDER, 1)) painter.drawPath(path) accent = STATE_COLORS.get(self.state, MUTED) self._draw_indicator(painter, accent) if self.state in LIVE: self._draw_waveform(painter, accent) self._draw_time(painter) else: self._draw_message(painter) if self._can_dismiss: self._draw_dismiss(painter) def _draw_indicator(self, painter, accent): cx, cy = 26.0, self.height() / 2 painter.setPen(Qt.PenStyle.NoPen) if self.state in LIVE: pulse = 0.62 + 0.38 * (0.5 + 0.5 * math.sin(self._phase * 1.6)) glow = QColor(accent) glow.setAlphaF(0.22 * pulse) painter.setBrush(glow) painter.drawEllipse(QPointF(cx, cy), 13 * pulse, 13 * pulse) painter.setBrush(accent) painter.drawEllipse(QPointF(cx, cy), 5.5, 5.5) elif self.state == "busy": painter.setBrush(Qt.BrushStyle.NoBrush) pen = QPen(QColor(accent), 2.4) pen.setCapStyle(Qt.PenCapStyle.RoundCap) painter.setPen(pen) span = 100 * 16 start = int(-self._phase * 320) % (360 * 16) painter.drawArc(QRectF(cx - 8, cy - 8, 16, 16), start, span) elif self.state == "done": pen = QPen(accent, 2.4) pen.setCapStyle(Qt.PenCapStyle.RoundCap) pen.setJoinStyle(Qt.PenJoinStyle.RoundJoin) painter.setPen(pen) painter.drawPolyline( QPointF(cx - 7, cy), QPointF(cx - 2, cy + 5.5), QPointF(cx + 7.5, cy - 6) ) elif self.state == "warning": pen = QPen(accent, 2.6) pen.setCapStyle(Qt.PenCapStyle.RoundCap) painter.setPen(pen) painter.drawLine(QPointF(cx, cy - 7), QPointF(cx, cy + 1.5)) painter.setPen(Qt.PenStyle.NoPen) painter.setBrush(accent) painter.drawEllipse(QPointF(cx, cy + 6), 1.5, 1.5) else: # error pen = QPen(accent, 2.4) pen.setCapStyle(Qt.PenCapStyle.RoundCap) painter.setPen(pen) painter.drawLine(QPointF(cx - 6, cy - 6), QPointF(cx + 6, cy + 6)) painter.drawLine(QPointF(cx + 6, cy - 6), QPointF(cx - 6, cy + 6)) def _bars(self): """(x of the first bar, bar width, distance between two bars).""" # A meeting's clock carries an hours field, so it needs more room and # the ribbon has to stop earlier. left = 46.0 right = self.width() - (74.0 if self.state == "meeting" else 58.0) bar_w = 2.6 gap = (right - left - BARS * bar_w) / max(1, BARS - 1) return left, bar_w, bar_w + gap @staticmethod def _bar_colour(shaped, accent): color = QColor(accent if shaped > 0.04 else MUTED) color.setAlphaF(0.35 + 0.65 * min(1.0, shaped * 2.2)) return color def _draw_waveform(self, painter, accent=REC): if self.state == "meeting": self._draw_dual_waveform(painter) return left, bar_w, step = self._bars() mid = self.height() / 2 painter.setPen(Qt.PenStyle.NoPen) for i, level in enumerate(self.levels): shaped = min(1.0, level ** 0.55) h = 3.0 + shaped * 26.0 painter.setBrush(self._bar_colour(shaped, accent)) painter.drawRoundedRect( QRectF(left + i * step, mid - h / 2, bar_w, h), 1.3, 1.3 ) def _draw_dual_waveform(self, painter): """Your microphone above the line, what the speakers play below it. Seeing both move is the whole check that a meeting is being captured properly: one silent half means that side is not reaching the recording. """ left, bar_w, step = self._bars() mid = self.height() / 2 painter.setPen(Qt.PenStyle.NoPen) for i, (mine, theirs) in enumerate(zip(self.levels, self.levels2)): x = left + i * step for level, accent, up in ((mine, REC, True), (theirs, THEM, False)): shaped = min(1.0, level ** 0.55) h = 2.0 + shaped * 12.0 y = mid - 1.5 - h if up else mid + 1.5 painter.setBrush(self._bar_colour(shaped, accent)) painter.drawRoundedRect(QRectF(x, y, bar_w, h), 1.3, 1.3) def _draw_time(self, painter): font = QFont(self.font()) font.setPointSizeF(10.0) font.setFamilies(["monospace"]) painter.setFont(font) painter.setPen(MUTED) mins, secs = divmod(int(self.seconds), 60) hours, mins = divmod(mins, 60) text = f"{hours}:{mins:02d}:{secs:02d}" if hours else f"{mins}:{secs:02d}" width = 62 if hours else 44 painter.drawText( QRectF(self.width() - width - 12, 0, width, self.height()), int(Qt.AlignmentFlag.AlignVCenter | Qt.AlignmentFlag.AlignRight), text, ) @property def _can_dismiss(self): return self.dismissable and self.state == "busy" def _draw_dismiss(self, painter): """A faint cross on the right: without it there is nothing to say the box can be clicked away, and a feature nobody can see is not one.""" cx, cy = self.width() - 18.0, self.height() / 2 pen = QPen(QColor(MUTED), 1.6) pen.setCapStyle(Qt.PenCapStyle.RoundCap) painter.setPen(pen) painter.setBrush(Qt.BrushStyle.NoBrush) painter.drawLine(QPointF(cx - 4, cy - 4), QPointF(cx + 4, cy + 4)) painter.drawLine(QPointF(cx + 4, cy - 4), QPointF(cx - 4, cy + 4)) def _draw_message(self, painter): painter.setFont(self._label_font()) painter.setPen({"error": ERR, "warning": WARN}.get(self.state, TEXT)) # Leave the cross its corner rather than running the text under it. box = QRectF(46, 0, self.width() - 60 - (18 if self._can_dismiss else 0), self.height()) metrics = QFontMetrics(self._label_font()) text = metrics.elidedText(self.message, Qt.TextElideMode.ElideRight, int(box.width())) painter.drawText( box, int(Qt.AlignmentFlag.AlignVCenter | Qt.AlignmentFlag.AlignLeft), text )