From 0c08bab0ea68d62f36af8f113698c3e3e82c9a73 Mon Sep 17 00:00:00 2001
From: Jiri Kalvoda <jirikalvoda@kam.mff.cuni.cz>
Date: Tue, 30 Aug 2022 21:00:17 +0200
Subject: [PATCH] Qt util: QtJob base
---
woman/qt_util.py | 37 +++++++++++++++++++++++++++++++++++++
1 file changed, 37 insertions(+)
diff --git a/woman/qt_util.py b/woman/qt_util.py
index 895eff9..6a4440d 100644
--- a/woman/qt_util.py
+++ b/woman/qt_util.py
@@ -4,6 +4,8 @@ from PyQt5.QtWidgets import *
from dataclasses import dataclass
import re
+import types
+import traceback
qtoverride = lambda x: x # only documentation of code
@@ -356,3 +358,38 @@ class QLabelOpeningBracket(QLabel):
painter.drawLine(line_x, padding, line_x, y//2-text_h//2)
painter.drawLine(line_x, y-1-padding, line_x, y//2+text_h//2)
painter.drawLine(line_x, y-1-padding, x-2, y-1-padding)
+
+_qt_jobs = set()
+
+class QtJob:
+ def __init__(self, f):
+ _qt_jobs.add(self)
+ self.f = f
+ self.timer = QTimer()
+ self.timer.setSingleShot(True)
+ self.timer.timeout.connect(self._run)
+ self.timer.start(0)
+
+ def _clean(self):
+ _qt_jobs.remove(self)
+
+ def _run(self):
+ try:
+ r = self.f.send(None)
+ print(r)
+ except (StopIteration, GeneratorExit):
+ self._clean()
+ except Exception:
+ traceback.print_exc()
+ self._clean()
+ else:
+ self.timer.start(r)
+
+@types.coroutine
+def qt_job_wait_ms(time_ms):
+ yield time_ms
+
+def QtJobDecorator(f):
+ def l(*arg, **kvarg):
+ return QtJob(f(*arg, **kvarg))
+ return l
--
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