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now using label_cache in channels.

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should reduce the number of calls to grid/ungrid
This commit is contained in:
onyx-and-iris 2022-07-16 22:12:55 +01:00
parent 6fad360ede
commit ba78373f2b
1 changed files with 10 additions and 2 deletions
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8
vmcompact/channels.py
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@ -72,6 +72,7 @@ class ChannelLabelFrame(ttk.LabelFrame):
_base_values.in_scale_button_1 = False
def _on_mousewheel(self, event):
_base_values.in_scale_button_1 = True
self.gain.set(
self.gain.get()
+ (
@ -85,6 +86,7 @@ class ChannelLabelFrame(ttk.LabelFrame):
elif self.gain.get() < -60:
self.gain.set(-60)
self.setter("gain", self.gain.get())
_base_values.in_scale_button_1 = False
def open_config(self):
if self.conf.get():
@ -119,6 +121,7 @@ class ChannelLabelFrame(ttk.LabelFrame):
def sync_labels(self):
"""sync labelframes according to label text"""
retval = self.getter("label")
self.parent.label_cache[self.id].insert(self.index, retval)
if len(retval) > 10:
retval = f"{retval[:8]}.."
if not retval:
@ -195,6 +198,8 @@ class Bus(ChannelLabelFrame):
class ChannelFrame(ttk.Frame):
label_cache = {"strip": list(), "bus": list()}
def init(self, parent, id):
super().__init__(parent)
self.parent = parent
@ -225,6 +230,9 @@ class ChannelFrame(ttk.Frame):
def on_update(self, subject):
if subject == "pdirty":
target = getattr(self.target, self.id)
num = getattr(self.parent.kind, f"num_{self.id}")
if self.label_cache[self.id] != [target[i].label for i in range(num)]:
for labelframe in self.labelframes:
labelframe.on_update("labelframe")