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dikte/overlay.py
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huseyin-emre-tigciandClaude Fable 5 3436e6b426 Add Windows support 
Windows joins the three systems as its own entry in each table: DirectShow
through ffmpeg for capture, the Win32 clipboard and SendInput for the paste,
RegisterHotKey for the global shortcut, and the whisper.cpp and llama.cpp
Windows zips (the OpenBLAS whisper build, which transcribes about twice as
fast on a plain CPU). Settings go to APPDATA, data to LOCALAPPDATA, and
install.ps1 adds the Start Menu entry, the dikte command and an optional
autostart. Meetings are not supported yet: Windows offers nothing to record
the far side from.

Porting surfaced three fixes that were not Windows specific:

- A stopped or overlong download tried to delete its .part file while still
  holding it open, which Windows refuses. The unlinks now wait for the handle.
- The CLI transcribed files without handing the local servers their settings
  first, so a local provider failed with "no model downloaded" wherever the
  GUI had not run in the same process.
- The audio content types are pinned instead of asked of the registry, which
  answers differently machine to machine.

One fix is Windows specific but sits in shared code: shutdown() does not end
a blocked recv there, so stopping a request also closes the socket handle.

Co-Authored-By: Claude Fable 5 <[email protected]>
2026-08-14 16:53:21 +03:00

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"""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 not in ("darwin", "win32"):
# It is the window manager that would otherwise move this out of
# the corner. macOS has no such hint, and Qt warns about it;
# Windows places tool windows where they ask to be anyway.
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
)
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