misc_blink.py
2.57 KB
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title = "Blink Images"
tip = "blinks at least two images"
from guidata.qt.QtCore import Qt
from guidata.qt.QtGui import QApplication, QCursor, QWidget, qApp
from guidata.dataset.datatypes import DataSet
from guidata.dataset.dataitems import (IntItem, FloatArrayItem, StringItem,
ChoiceItem, FloatItem, DictItem,
BoolItem)
from guiqwt.events import KeyEventMatch, setup_standard_tool_filter
from guiqwt.tools import SelectTool
from guiqwt.config import _
import numpy as np
import time
import sys
class NOD3_App():
def __init__(self, parent):
self.parent = parent
def compute_app(self):
class BlinkParam(DataSet):
btime = FloatItem("Time(sec):", default=0.333)
brep = IntItem("Repeats:", default=10)
param = BlinkParam(title.replace(" ", ""), "Set Blinking Time And Repeats:<br>")
param = self.parent.read_defaults(param)
if not param.edit():
return
param.brep = min(param.brep, 100/param.btime)
self.parent.write_defaults(param)
#QApplication.setOverrideCursor(QCursor(Qt.BlankCursor))
QApplication.setOverrideCursor(QCursor(Qt.WaitCursor))
self.parent.STOP = False
for item in self.parent.items:
if item is not None:
#item.plot().installEventFilter(self.filter)
item.hide()
progress = self.parent.imagewidget.Progress
#print dir(QTimer)
for n in range(int(param.brep)):
for row in self.parent._get_selected_rows():
qApp.processEvents()
item = self.parent.items[row]
self.parent.plot.set_item_visible(item, True)
time.sleep(param.btime)
#QTimer.singleShot(param.btime, lambda: None)
item.hide()
progress.showMessage(_(" Image: %d") % (row+1), 1000)
if self.parent.STOP:
#print "STOP"
progress.showMessage(_("stopped by ^C"), 5000)
self.parent.STOP = False
self.parent.plot.set_item_visible(item, True)
QApplication.restoreOverrideCursor()
return
try:
self.parent.plot.set_item_visible(item, True)
except: pass
QApplication.restoreOverrideCursor()