From 024d3661a0648d57c73a14a397092d1220e7351d Mon Sep 17 00:00:00 2001
From: Tyler Goodlet <jgbt@protonmail.com>
Date: Sun, 3 Apr 2022 23:34:55 -0400
Subject: [PATCH] Port to new `.update_graphics_from_array()`, pause quote
 updates on chart interaction

---
 piker/ui/_display.py | 24 +++++++++++++++++++-----
 piker/ui/_fsp.py     |  6 ++++--
 2 files changed, 23 insertions(+), 7 deletions(-)

diff --git a/piker/ui/_display.py b/piker/ui/_display.py
index 6742b7bf..67181364 100644
--- a/piker/ui/_display.py
+++ b/piker/ui/_display.py
@@ -53,6 +53,10 @@ from ._forms import (
     mk_order_pane_layout,
 )
 from .order_mode import open_order_mode
+# from .._profile import (
+#     pg_profile_enabled,
+#     ms_slower_then,
+# )
 from ..log import get_logger
 
 log = get_logger(__name__)
@@ -284,6 +288,12 @@ async def graphics_update_loop(
             chart.pause_all_feeds()
             continue
 
+        ic = chart.view._ic
+        if ic:
+            chart.pause_all_feeds()
+            await ic.wait()
+            chart.resume_all_feeds()
+
         # sync call to update all graphics/UX components.
         graphics_update_cycle(ds)
 
@@ -299,8 +309,9 @@ def graphics_update_cycle(
 
     profiler = pg.debug.Profiler(
         disabled=True,  # not pg_profile_enabled(),
-        delayed=False,
+        gt=1/12 * 1e3,
     )
+
     # unpack multi-referenced components
     chart = ds.chart
     vlm_chart = ds.vlm_chart
@@ -409,9 +420,11 @@ def graphics_update_cycle(
             if (
                 # if zoomed out alot don't update the last "bar"
                 (xpx < update_uppx or i_diff > 0)
-                # and r >= i_step
+                and r >= i_step
             ):
-                vlm_chart.update_curve_from_array('volume', array)
+                # TODO: make it so this doesn't have to be called
+                # once the $vlm is up?
+                vlm_chart.update_graphics_from_array('volume', array)
 
                 if (
                     mx_vlm_in_view != vars['last_mx_vlm']
@@ -485,7 +498,8 @@ def graphics_update_cycle(
             xpx < update_uppx
             or i_diff > 0
         ):
-            chart.update_ohlc_from_array(
+            # chart.update_ohlc_from_array(
+            chart.update_graphics_from_array(
                 chart.name,
                 array,
             )
@@ -524,7 +538,7 @@ def graphics_update_cycle(
 
                 if wap_in_history:
                     # update vwap overlay line
-                    chart.update_curve_from_array(
+                    chart.update_graphics_from_array(
                         'bar_wap',
                         array,
                     )
diff --git a/piker/ui/_fsp.py b/piker/ui/_fsp.py
index 1f7fbdb0..510d7f26 100644
--- a/piker/ui/_fsp.py
+++ b/piker/ui/_fsp.py
@@ -89,7 +89,7 @@ def update_fsp_chart(
     # update graphics
     # NOTE: this does a length check internally which allows it
     # staying above the last row check below..
-    chart.update_curve_from_array(
+    chart.update_graphics_from_array(
         graphics_name,
         array,
         array_key=array_key or graphics_name,
@@ -425,6 +425,7 @@ class FspAdmin:
             ) as (ctx, last_index),
             ctx.open_stream() as stream,
         ):
+
             # register output data
             self._registry[
                 (fqsn, ns_path)
@@ -440,6 +441,7 @@ class FspAdmin:
             async with stream.subscribe() as stream:
                 async for msg in stream:
                     if msg == 'update':
+                        log.info(f'Re-syncing graphics for fsp: {ns_path}')
                         self.linked.graphics_cycle()
                     else:
                         log.info(f'recved unexpected fsp engine msg: {msg}')
@@ -674,7 +676,7 @@ async def open_vlm_displays(
 
         last_val_sticky.update_from_data(-1, value)
 
-        vlm_curve = chart.update_curve_from_array(
+        vlm_curve = chart.update_graphics_from_array(
             'volume',
             shm.array,
         )