Merge pull request #226 from pikers/account_select_icons

Account select icons

piker/brokers/ib.py

@@ -1469,6 +1469,7 @@ async def trades_dialogue(
 
     # deliver positions to subscriber before anything else
     all_positions = []
+    accounts = set()
 
     clients: list[tuple[Client, trio.MemoryReceiveChannel]] = []
     for account, client in _accounts2clients.items():
@@ -1484,9 +1485,10 @@ async def trades_dialogue(
             for pos in client.positions():
                 msg = pack_position(pos)
                 msg.account = accounts_def.inverse[msg.account]
+                accounts.add(msg.account)
                 all_positions.append(msg.dict())
 
-    await ctx.started(all_positions)
+    await ctx.started((all_positions, accounts))
 
     async with (
         ctx.open_stream() as ems_stream,

piker/clearing/_allocate.py

@@ -86,14 +86,7 @@ class Allocator(BaseModel):
         underscore_attrs_are_private = False
 
     symbol: Symbol
-    accounts: bidict[str, Optional[str]]
     account: Optional[str] = 'paper'
-
-    @validator('account', pre=False)
-    def set_account(cls, v, values):
-        if v:
-            return values['accounts'][v]
-
     size_unit: SizeUnit = 'currency'
     _size_units: dict[str, Optional[str]] = _size_units
 
@@ -128,9 +121,6 @@ class Allocator(BaseModel):
         else:
             return self.units_limit
 
-    def account_name(self) -> str:
-        return self.accounts.inverse[self.account]
-
     def next_order_info(
         self,
 
@@ -234,7 +224,7 @@ class Allocator(BaseModel):
             'slots_used': slots_used,
 
             # update line LHS label with account name
-            'account': self.account_name(),
+            'account': self.account,
         }
 
     def slots_used(
@@ -264,7 +254,6 @@ class Allocator(BaseModel):
 def mk_allocator(
 
     symbol: Symbol,
-    accounts: dict[str, str],
     startup_pp: Position,
 
     # default allocation settings
@@ -293,7 +282,6 @@ def mk_allocator(
 
     alloc = Allocator(
         symbol=symbol,
-        accounts=accounts,
         **defaults,
     )
 

piker/clearing/_client.py

@@ -210,7 +210,7 @@ async def open_ems(
                 broker=broker,
                 symbol=symbol.key,
 
-            ) as (ctx, positions),
+            ) as (ctx, (positions, accounts)),
 
             # open 2-way trade command stream
             ctx.open_stream() as trades_stream,
@@ -222,4 +222,4 @@ async def open_ems(
                     trades_stream
                 )
 
-                yield book, trades_stream, positions
+                yield book, trades_stream, positions, accounts

piker/clearing/_ems.py

@@ -268,6 +268,9 @@ class TradesRelay:
     # map of symbols to dicts of accounts to pp msgs
     positions: dict[str, dict[str, BrokerdPosition]]
 
+    # allowed account names
+    accounts: set[str]
+
     # count of connected ems clients for this ``brokerd``
     consumers: int = 0
 
@@ -410,8 +413,7 @@ async def open_brokerd_trades_dialogue(
 
         try:
             async with (
-
+                open_trades_endpoint as (brokerd_ctx, (positions, accounts,)),
-                open_trades_endpoint as (brokerd_ctx, positions),
                 brokerd_ctx.open_stream() as brokerd_trades_stream,
 
             ):
@@ -433,15 +435,20 @@ async def open_brokerd_trades_dialogue(
                 # locally cache and track positions per account.
                 pps = {}
                 for msg in positions:
+
+                    account = msg['account']
+                    assert account in accounts
+
                     pps.setdefault(
                         msg['symbol'],
                         {}
-                    )[msg['account']] = msg
+                    )[account] = msg
 
                 relay = TradesRelay(
                     brokerd_dialogue=brokerd_trades_stream,
                     positions=pps,
-                    consumers=1
+                    accounts=set(accounts),
+                    consumers=1,
                 )
 
                 _router.relays[broker] = relay
@@ -936,11 +943,11 @@ async def _emsd_main(
 ) -> None:
     '''EMS (sub)actor entrypoint providing the
     execution management (micro)service which conducts broker
-    order control on behalf of clients.
+    order clearing control on behalf of clients.
 
     This is the daemon (child) side routine which starts an EMS runtime
-    (one per broker-feed) and and begins streaming back alerts from
+    task (one per broker-feed) and and begins streaming back alerts from
-    broker executions/fills.
+    each broker's executions/fills.
 
     ``send_order_cmds()`` is called here to execute in a task back in
     the actor which started this service (spawned this actor), presuming
@@ -964,8 +971,8 @@ async def _emsd_main(
           reponse" proxy-broker.
        |
         - ``process_client_order_cmds()``:
-          accepts order cmds from requesting piker clients, registers
+          accepts order cmds from requesting clients, registers dark orders and
-          execs with exec loop
+          alerts with clearing loop.
 
     '''
     global _router
@@ -1015,13 +1022,15 @@ async def _emsd_main(
 
             brokerd_stream = relay.brokerd_dialogue  # .clone()
 
-            # signal to client that we're started
+            # flatten out collected pps from brokerd for delivery
-            # TODO: we could eventually send back **all** brokerd
+            pp_msgs = {
-            # positions here?
+                sym: list(pps.values())
-            await ems_ctx.started(
+                for sym, pps in relay.positions.items()
-                {sym: list(pps.values())
+            }
-                 for sym, pps in relay.positions.items()}
+
-            )
+            # signal to client that we're started and deliver
+            # all known pps and accounts for this ``brokerd``.
+            await ems_ctx.started((pp_msgs, relay.accounts))
 
             # establish 2-way stream with requesting order-client and
             # begin handling inbound order requests and updates

piker/clearing/_paper_engine.py

@@ -463,7 +463,7 @@ async def trades_dialogue(
         # TODO: load paper positions per broker from .toml config file
         # and pass as symbol to position data mapping: ``dict[str, dict]``
         # await ctx.started(all_positions)
-        await ctx.started({})
+        await ctx.started(({}, {'paper',}))
 
         async with (
             ctx.open_stream() as ems_stream,

piker/ui/_forms.py

@@ -42,12 +42,11 @@ from PyQt5.QtWidgets import (
     QStyledItemDelegate,
     QStyleOptionViewItem,
 )
-# import pydantic
 
 from ._event import open_handlers
+from ._icons import mk_icons
 from ._style import hcolor, _font, _font_small, DpiAwareFont
 from ._label import FormatLabel
-from .. import config
 
 
 class FontAndChartAwareLineEdit(QLineEdit):
@@ -71,17 +70,21 @@ class FontAndChartAwareLineEdit(QLineEdit):
 
         if width_in_chars:
             self._chars = int(width_in_chars)
+            x_size_policy = QSizePolicy.Fixed
 
         else:
             # chart count which will be used to calculate
             # width of input field.
-            self._chars: int = 9
+            self._chars: int = 6
+            # fit to surroundingn frame width
+            x_size_policy = QSizePolicy.Expanding
 
         super().__init__(parent)
+
         # size it as we specify
         # https://doc.qt.io/qt-5/qsizepolicy.html#Policy-enum
         self.setSizePolicy(
-            QSizePolicy.Expanding,
+            x_size_policy,
             QSizePolicy.Fixed,
         )
         self.setFont(font.font)
@@ -99,11 +102,11 @@ class FontAndChartAwareLineEdit(QLineEdit):
         dpi_font = self.dpi_font
         psh.setHeight(dpi_font.px_size)
 
-        # space for ``._chars: int``
+        # make space for ``._chars: int`` for of characters in view
-        char_w_pxs = dpi_font.boundingRect(self.text()).width()
+        # TODO: somehow this math ain't right?
-        chars_w = char_w_pxs + 6  # * dpi_font.scale() * self._chars
+        chars_w_pxs = dpi_font.boundingRect('0'*self._chars).width()
-        psh.setWidth(chars_w)
+        scale = round(dpi_font.scale())
-
+        psh.setWidth(chars_w_pxs * scale)
         return psh
 
     def set_width_in_chars(
@@ -157,6 +160,130 @@ class FontScaledDelegate(QStyledItemDelegate):
         else:
             return super().sizeHint(option, index)
 
+    # NOTE: hack to display icons on RHS
+    # TODO: is there a way to set this stype option once?
+    # def paint(self, painter, option, index):
+    #     # display icons on RHS
+    #     # https://stackoverflow.com/a/39943629
+    #     option.decorationPosition = QtGui.QStyleOptionViewItem.Right
+    #     option.decorationAlignment = Qt.AlignRight | Qt.AlignVCenter
+    #     QStyledItemDelegate.paint(self, painter, option, index)
+
+
+class Selection(QComboBox):
+
+    def __init__(
+        self,
+        parent=None,
+
+    ) -> None:
+
+        self._items: dict[str, int] = {}
+        super().__init__(parent=parent)
+        self.setSizeAdjustPolicy(QComboBox.AdjustToContents)
+        # make line edit expand to surrounding frame
+        self.setSizePolicy(
+            QSizePolicy.Expanding,
+            QSizePolicy.Fixed,
+        )
+        view = self.view()
+        view.setUniformItemSizes(True)
+
+        # TODO: this doesn't seem to work for the currently selected item?
+        self.setItemDelegate(FontScaledDelegate(self))
+
+        self.resize()
+
+        self._icons = mk_icons(
+            self.style(),
+            self.iconSize()
+        )
+
+    def set_style(
+        self,
+
+        color: str,
+        font_size: int,
+
+    ) -> None:
+
+        self.setStyleSheet(
+            f"""QComboBox {{
+                color : {hcolor(color)};
+                font-size : {font_size}px;
+            }}
+            """
+        )
+
+    def resize(
+        self,
+        char: str = 'W',
+    ) -> None:
+        br = _font.boundingRect(str(char))
+        _, h = br.width(), br.height()
+
+        # TODO: something better then this monkey patch
+        view = self.view()
+
+        # XXX: see size policy settings of line edit
+        # view._max_item_size = w, h
+
+        self.setMinimumHeight(h)  # at least one entry in view
+        view.setMaximumHeight(6*h)  # limit to 6 items max in view
+
+        icon_size = round(h * 0.75)
+        self.setIconSize(QSize(icon_size, icon_size))
+
+    def set_items(
+        self,
+        keys: list[str],
+
+    ) -> None:
+        '''Write keys to the selection verbatim.
+
+        All other items are cleared beforehand.
+        '''
+        self.clear()
+        self._items.clear()
+
+        for i, key in enumerate(keys):
+            strkey = str(key)
+            self.insertItem(i, strkey)
+
+            # store map of entry keys to row indexes
+            self._items[strkey] = i
+
+        # compute max item size so that the weird
+        # "style item delegate" thing can then specify
+        # that size on each item...
+        keys.sort()
+        self.resize(keys[-1])
+
+    def set_icon(
+        self,
+        key: str,
+        icon_name: Optional[str],
+
+    ) -> None:
+        self.setItemIcon(
+            self._items[key],
+            self._icons[icon_name],
+        )
+
+    def items(self) -> list[(str, int)]:
+        return list(self._items.items())
+
+    # NOTE: in theory we can put icons on the RHS side with this hackery:
+    # https://stackoverflow.com/a/64256969
+    # def showPopup(self):
+    #     print('show')
+    #     QComboBox.showPopup(self)
+
+    # def hidePopup(self):
+    #     # self.setItemDelegate(FontScaledDelegate(self.parent()))
+    #     print('hide')
+    #     QComboBox.hidePopup(self)
+
 
 # slew of resources which helped get this where it is:
 # https://stackoverflow.com/questions/20648210/qcombobox-adjusttocontents-changing-height
@@ -164,7 +291,6 @@ class FontScaledDelegate(QStyledItemDelegate):
 # https://stackoverflow.com/questions/6337589/qlistwidget-adjust-size-to-content#6370892
 # https://stackoverflow.com/questions/25304267/qt-resize-of-qlistview
 # https://stackoverflow.com/questions/28227406/how-to-set-qlistview-rows-height-permanently
-
 class FieldsForm(QWidget):
 
     vbox: QVBoxLayout
@@ -252,6 +378,7 @@ class FieldsForm(QWidget):
 
         edit = FontAndChartAwareLineEdit(
             parent=self,
+            # width_in_chars=6,
         )
         edit.setStyleSheet(
             f"""QLineEdit {{
@@ -274,56 +401,23 @@ class FieldsForm(QWidget):
         label_name: str,
         values: list[str],
 
-    ) -> QComboBox:
+    ) -> Selection:
 
         # TODO: maybe a distint layout per "field" item?
         label = self.add_field_label(label_name)
 
-        select = QComboBox(self)
+        select = Selection(self)
+        select.set_style(color='gunmetal', font_size=self._font_size)
         select._key = key
+        select.set_items(values)
 
-        for i, value in enumerate(values):
-            select.insertItem(i, str(value))
-
-        select.setStyleSheet(
-            f"""QComboBox {{
-                color : {hcolor('gunmetal')};
-                font-size : {self._font_size}px;
-            }}
-            """
-        )
-        select.setSizeAdjustPolicy(QComboBox.AdjustToContents)
-        select.setIconSize(QSize(0, 0))
         self.setSizePolicy(
             QSizePolicy.Fixed,
             QSizePolicy.Fixed,
         )
-        view = select.view()
-        view.setUniformItemSizes(True)
-        view.setItemDelegate(FontScaledDelegate(view))
-
-        # compute maximum item size so that the weird
-        # "style item delegate" thing can then specify
-        # that size on each item...
-        values.sort()
-        br = _font.boundingRect(str(values[-1]))
-        _, h = br.width(), br.height()
-
-        # TODO: something better then this monkey patch
-        # view._max_item_size = w, h
-
-        # limit to 6 items?
-        view.setMaximumHeight(6*h)
-
-        # one entry in view
-        select.setMinimumHeight(h)
-
         select.show()
-
         self.form.addRow(label, select)
-
         self.fields[key] = select
-
         return select
 
 
@@ -631,9 +725,7 @@ def mk_order_pane_layout(
 
 ) -> FieldsForm:
 
-    # font_size: int = _font_small.px_size - 2
+    font_size: int = _font.px_size - 1
-    font_size: int = _font.px_size - 2
-    accounts = config.load_accounts()
 
     # TODO: maybe just allocate the whole fields form here
     # and expect an async ctx entry?
@@ -643,7 +735,7 @@ def mk_order_pane_layout(
             'account': {
                 'label': '**account**:',
                 'type': 'select',
-                'default_value': accounts.keys(),
+                'default_value': ['paper'],
             },
             'size_unit': {
                 'label': '**allocate**:',
@@ -685,7 +777,6 @@ def mk_order_pane_layout(
         form,
         pane_vbox=vbox,
         label_font_size=font_size,
-
     )
     # TODO: would be nice to have some better way of reffing these over
     # monkey patching...

piker/ui/_icons.py

@@ -0,0 +1,90 @@
+# piker: trading gear for hackers
+# Copyright (C) Tyler Goodlet (in stewardship for pikers)
+
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+'''
+``QIcon`` hackery.
+
+'''
+from PyQt5.QtWidgets import QStyle
+from PyQt5.QtGui import (
+    QIcon, QPixmap, QColor
+)
+from PyQt5.QtCore import QSize
+
+from ._style import hcolor
+
+# https://www.pythonguis.com/faq/built-in-qicons-pyqt/
+# account status icons taken from built-in set
+_icon_names: dict[str, str] = {
+    # these two seem to work for our mask hack done below to
+    # change the coloring.
+    'long_pp': 'SP_TitleBarShadeButton',
+    'short_pp': 'SP_TitleBarUnshadeButton',
+    'ready': 'SP_MediaPlay',
+}
+_icons: dict[str, QIcon] = {}
+
+
+def mk_icons(
+
+    style: QStyle,
+    size: QSize,
+
+) -> dict[str, QIcon]:
+    '''This helper is indempotent.
+
+    '''
+    global _icons, _icon_names
+    if _icons:
+        return _icons
+
+    _icons[None] = QIcon()  # the "null" icon
+
+    # load account selection using current style
+    for name, icon_name in _icon_names.items():
+
+        stdpixmap = getattr(QStyle, icon_name)
+        stdicon = style.standardIcon(stdpixmap)
+        pixmap = stdicon.pixmap(size)
+
+        # fill hack from SO to change icon color:
+        # https://stackoverflow.com/a/38369468
+        out_pixmap = QPixmap(size)
+        out_pixmap.fill(QColor(hcolor('default_spotlight')))
+        out_pixmap.setMask(pixmap.createHeuristicMask())
+
+        # TODO: not idea why this doesn't work / looks like
+        # trash.  Sure would be nice to just generate our own
+        # pixmaps on the fly..
+        # p = QPainter(out_pixmap)
+        # p.setOpacity(1)
+        # p.setBrush(QColor(hcolor('papas_special')))
+        # p.setPen(QColor(hcolor('default_lightest')))
+        # path = mk_marker_path(style='|<')
+        # p.scale(6, 6)
+        # # p.translate(0, 0)
+        # p.drawPath(path)
+        # p.save()
+        # p.end()
+        # del p
+        # icon = QIcon(out_pixmap)
+
+        icon = QIcon()
+        icon.addPixmap(out_pixmap)
+
+        _icons[name] = icon
+
+    return _icons

piker/ui/_interaction.py

@@ -270,7 +270,7 @@ async def handle_viewmode_kb_inputs(
             edit.selectAll()
             # un-highlight on ctrl release
             on_next_release = edit.deselect
-            pp_pane.update_status_ui()
+            pp_pane.update_status_ui(pp_pane.order_mode.current_pp)
 
         else:  # none active
 

piker/ui/_position.py

@@ -25,6 +25,10 @@ from math import floor, copysign
 from typing import Optional
 
 
+# from PyQt5.QtWidgets import QStyle
+# from PyQt5.QtGui import (
+#     QIcon, QPixmap, QColor
+# )
 from pyqtgraph import functions as fn
 
 from ._annotate import LevelMarker
@@ -46,7 +50,7 @@ log = get_logger(__name__)
 _pnl_tasks: dict[str, bool] = {}
 
 
-async def display_pnl(
+async def update_pnl_from_feed(
 
     feed: Feed,
     order_mode: OrderMode,  # noqa
@@ -63,6 +67,8 @@ async def display_pnl(
     live = pp.live_pp
     key = live.symbol.key
 
+    log.info(f'Starting pnl display for {pp.alloc.account}')
+
     if live.size < 0:
         types = ('ask', 'last', 'last', 'utrade')
 
@@ -128,9 +134,17 @@ class SettingsPane:
     # encompasing high level namespace
     order_mode: Optional['OrderMode'] = None  # typing: ignore # noqa
 
+    def set_accounts(
+        self,
+        names: list[str],
+        sizes: Optional[list[float]] = None,
+    ) -> None:
+
+        combo = self.form.fields['account']
+        return combo.set_items(names)
+
     def on_selection_change(
         self,
-
         text: str,
         key: str,
 
@@ -173,11 +187,11 @@ class SettingsPane:
                     f'Account `{account_name}` can not be set for {sym}'
                 )
                 self.form.fields['account'].setCurrentText(
-                    old_tracker.alloc.account_name())
+                    old_tracker.alloc.account)
                 return
 
             self.order_mode.current_pp = tracker
-            assert tracker.alloc.account_name() == account_name
+            assert tracker.alloc.account == account_name
             self.form.fields['account'].setCurrentText(account_name)
             tracker.show()
             tracker.hide_info()
@@ -206,7 +220,7 @@ class SettingsPane:
         elif key == 'size_unit':
             # TODO: if there's a limit size unit change re-compute
             # the current settings in the new units
-            pass
+            alloc.size_unit = value
 
         elif key != 'account':
             raise ValueError(f'Unknown setting {key}')
@@ -266,12 +280,32 @@ class SettingsPane:
             # min(round(prop * slots), slots)
             min(used, slots)
         )
+        self.update_account_icons({alloc.account: pp.live_pp})
+
+    def update_account_icons(
+        self,
+        pps: dict[str, Position],
+
+    ) -> None:
+
+        form = self.form
+        accounts = form.fields['account']
+
+        for account_name, pp in pps.items():
+            icon_name = None
+
+            if pp.size > 0:
+                icon_name = 'long_pp'
+            elif pp.size < 0:
+                icon_name = 'short_pp'
+
+            accounts.set_icon(account_name, icon_name)
 
     def display_pnl(
         self,
         tracker: PositionTracker,
 
-    ) -> bool:
+    ) -> None:
         '''Display the PnL for the current symbol and personal positioning (pp).
 
         If a position is open start a background task which will
@@ -282,36 +316,28 @@ class SettingsPane:
         sym = mode.chart.linked.symbol
         size = tracker.live_pp.size
         feed = mode.quote_feed
-        global _pnl_tasks
+        pnl_value = 0
 
-        if (
+        if size:
-            size and
+            # last historical close price
-            sym.key not in _pnl_tasks
+            last = feed.shm.array[-1][['close']][0]
-        ):
+            pnl_value = copysign(1, size) * pnl(
-            _pnl_tasks[sym.key] = True
+                tracker.live_pp.avg_price,
-
+                last,
-            # immediately compute and display pnl status from last quote
-            self.pnl_label.format(
-                pnl=copysign(1, size) * pnl(
-                    tracker.live_pp.avg_price,
-                    # last historical close price
-                    feed.shm.array[-1][['close']][0],
-                ),
             )
 
-            log.info(
+            # maybe start update task
-                f'Starting pnl display for {tracker.alloc.account_name()}')
+            global _pnl_tasks
-            self.order_mode.nursery.start_soon(
+            if sym.key not in _pnl_tasks:
-                display_pnl,
+                _pnl_tasks[sym.key] = True
-                feed,
+                self.order_mode.nursery.start_soon(
-                mode,
+                    update_pnl_from_feed,
-            )
+                    feed,
-            return True
+                    mode,
+                )
 
-        else:
+        # immediately display in status label
-            # set 0% pnl
+        self.pnl_label.format(pnl=pnl_value)
-            self.pnl_label.format(pnl=0)
-            return False
 
 
 def position_line(
@@ -622,7 +648,7 @@ class PositionTracker:
                 'fiat_size': round(price * size, ndigits=2),
 
                 # TODO: per account lines on a single (or very related) symbol
-                'account': self.alloc.account_name(),
+                'account': self.alloc.account,
             })
             line.show()
 

piker/ui/_search.py

@@ -118,7 +118,7 @@ class CompleterView(QTreeView):
         self.setModel(model)
         self.setAlternatingRowColors(True)
         # TODO: size this based on DPI font
-        self.setIndentation(20)
+        self.setIndentation(_font.px_size)
 
         # self.setUniformRowHeights(True)
         # self.setColumnWidth(0, 3)

piker/ui/order_mode.py

@@ -222,7 +222,7 @@ class OrderMode:
         order = self._staged_order = Order(
             action=action,
             price=price,
-            account=self.current_pp.alloc.account_name(),
+            account=self.current_pp.alloc.account,
             size=0,
             symbol=symbol,
             brokers=symbol.brokers,
@@ -536,7 +536,8 @@ async def open_order_mode(
         open_ems(brokername, symbol) as (
             book,
             trades_stream,
-            position_msgs
+            position_msgs,
+            brokerd_accounts,
         ),
         trio.open_nursery() as tn,
 
@@ -549,9 +550,6 @@ async def open_order_mode(
         lines = LineEditor(chart=chart)
         arrows = ArrowEditor(chart, {})
 
-        # allocation and account settings side pane
-        form = chart.sidepane
-
         # symbol id
         symbol = chart.linked.symbol
         symkey = symbol.key
@@ -560,27 +558,27 @@ async def open_order_mode(
         trackers: dict[str, PositionTracker] = {}
 
         # load account names from ``brokers.toml``
-        accounts = config.load_accounts(providers=symbol.brokers).copy()
+        accounts_def = config.load_accounts(
-        if accounts:
+            providers=symbol.brokers
-            # first account listed is the one we select at startup
+        )
-            # (aka order based selection).
+
-            pp_account = next(iter(accounts.keys()))
+        # use only loaded accounts according to brokerd
-        else:
+        accounts = {}
-            pp_account = 'paper'
+        for name in brokerd_accounts:
+            # ensure name is in ``brokers.toml``
+            accounts[name] = accounts_def[name]
+
+        # first account listed is the one we select at startup
+        # (aka order based selection).
+        pp_account = next(iter(accounts.keys())) if accounts else 'paper'
 
         # NOTE: requires the backend exactly specifies
         # the expected symbol key in its positions msg.
         pp_msgs = position_msgs.get(symkey, ())
+        pps_by_account = {msg['account']: msg for msg in pp_msgs}
 
-        # update all pp trackers with existing data relayed
+        # update pp trackers with data relayed from ``brokerd``.
-        # from ``brokerd``.
+        for account_name in accounts:
-        for msg in pp_msgs:
-
-            log.info(f'Loading pp for {symkey}:\n{pformat(msg)}')
-            account_name = msg.get('account')
-            account_value = accounts.get(account_name)
-            if not account_name and account_value == 'paper':
-                account_name = 'paper'
 
             # net-zero pp
             startup_pp = Position(
@@ -588,12 +586,14 @@ async def open_order_mode(
                 size=0,
                 avg_price=0,
             )
-            startup_pp.update_from_msg(msg)
+            msg = pps_by_account.get(account_name)
+            if msg:
+                log.info(f'Loading pp for {symkey}:\n{pformat(msg)}')
+                startup_pp.update_from_msg(msg)
 
             # allocator
             alloc = mk_allocator(
                 symbol=symbol,
-                accounts=accounts,
                 account=account_name,
 
                 # if this startup size is greater the allocator limit,
@@ -621,31 +621,9 @@ async def open_order_mode(
                 pp_tracker.show()
                 pp_tracker.hide_info()
 
-        # fill out trackers for accounts with net-zero pps
+        # setup order mode sidepane widgets
-        zero_pp_accounts = set(accounts) - set(trackers)
+        form = chart.sidepane
-        for account_name in zero_pp_accounts:
-            startup_pp = Position(
-                symbol=symbol,
-                size=0,
-                avg_price=0,
-            )
 
-            # allocator
-            alloc = mk_allocator(
-                symbol=symbol,
-                accounts=accounts,
-                account=account_name,
-                startup_pp=startup_pp,
-            )
-            pp_tracker = PositionTracker(
-                chart,
-                alloc,
-                startup_pp
-            )
-            pp_tracker.hide()
-            trackers[account_name] = pp_tracker
-
-        # order pane widgets and allocation model
         order_pane = SettingsPane(
             form=form,
             # XXX: ugh, so hideous...
@@ -654,6 +632,11 @@ async def open_order_mode(
             step_label=form.bottom_label,
             limit_label=form.top_label,
         )
+        order_pane.set_accounts(list(trackers.keys()))
+
+        # update pp icons
+        for name, tracker in trackers.items():
+            order_pane.update_account_icons({name: tracker.live_pp})
 
         # top level abstraction which wraps all this crazyness into
         # a namespace..