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Just disable the entire parent widget

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Paint the busy message manually so that it does not look disabled
This commit is contained in:
Kovid Goyal 2013-10-18 22:48:45 +05:30
parent 3212e5f2a2
commit b3ce489f49
1 changed files with 20 additions and 11 deletions
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31
src/calibre/gui2/tweak_book/job.py
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@ -10,7 +10,7 @@ import time
from threading import Thread from threading import Thread
from functools import partial from functools import partial
from PyQt4.Qt import (QWidget, QVBoxLayout, QLabel, Qt, QPainter, QBrush, QColor, QAction) from PyQt4.Qt import (QWidget, QVBoxLayout, QLabel, Qt, QPainter, QBrush, QRect)
from calibre.gui2 import Dispatcher from calibre.gui2 import Dispatcher
from calibre.gui2.progress_indicator import ProgressIndicator from calibre.gui2.progress_indicator import ProgressIndicator
@ -50,19 +50,18 @@ class BlockingJob(QWidget):
l.addStretch(10) l.addStretch(10)
self.pi = ProgressIndicator(self, 128) self.pi = ProgressIndicator(self, 128)
l.addWidget(self.pi, alignment=Qt.AlignHCenter) l.addWidget(self.pi, alignment=Qt.AlignHCenter)
self.msg = QLabel('') self.dummy = QLabel('<h2>\xa0')
l.addSpacing(10) l.addSpacing(10)
l.addWidget(self.msg, alignment=Qt.AlignHCenter) l.addWidget(self.dummy, alignment=Qt.AlignHCenter)
l.addStretch(10) l.addStretch(10)
self.setVisible(False) self.setVisible(False)
self.text = ''
def start(self): def start(self):
self.setGeometry(0, 0, self.parent().width(), self.parent().height()) self.setGeometry(0, 0, self.parent().width(), self.parent().height())
self.setVisible(True) self.setVisible(True)
# Prevent any actions from being triggerred by key presses # Prevent any actions from being triggerred by key presses
for child in self.parent().findChildren(QAction): self.parent().setEnabled(False)
child.blockSignals(True)
self.parent().menuBar().setEnabled(False)
self.raise_() self.raise_()
self.setFocus(Qt.OtherFocusReason) self.setFocus(Qt.OtherFocusReason)
self.pi.startAnimation() self.pi.startAnimation()
@ -70,9 +69,7 @@ class BlockingJob(QWidget):
def stop(self): def stop(self):
self.pi.stopAnimation() self.pi.stopAnimation()
self.setVisible(False) self.setVisible(False)
for child in self.parent().findChildren(QAction): self.parent().setEnabled(True)
child.blockSignals(False)
self.parent().menuBar().setEnabled(True)
def job_done(self, callback, job): def job_done(self, callback, job):
del job.callback del job.callback
@ -80,10 +77,22 @@ class BlockingJob(QWidget):
callback(job) callback(job)
def paintEvent(self, ev): def paintEvent(self, ev):
br = ev.region().boundingRect()
p = QPainter(self) p = QPainter(self)
p.fillRect(ev.region().boundingRect(), QBrush(QColor(200, 200, 200, 160), Qt.SolidPattern)) p.setOpacity(0.2)
p.fillRect(br, QBrush(self.palette().text()))
p.end() p.end()
QWidget.paintEvent(self, ev) QWidget.paintEvent(self, ev)
p = QPainter(self)
p.setClipRect(br)
f = p.font()
f.setBold(True)
f.setPointSize(20)
p.setFont(f)
p.setPen(Qt.SolidLine)
r = QRect(0, self.dummy.geometry().top() + 10, self.geometry().width(), 150)
p.drawText(r, Qt.AlignHCenter | Qt.AlignTop | Qt.TextSingleLine, self.text)
p.end()
def eventFilter(self, obj, ev): def eventFilter(self, obj, ev):
if ev.type() in (ev.KeyPress, ev.KeyRelease): if ev.type() in (ev.KeyPress, ev.KeyRelease):
@ -91,7 +100,7 @@ class BlockingJob(QWidget):
return QWidget.eventFilter(self, obj, ev) return QWidget.eventFilter(self, obj, ev)
def set_msg(self, text): def set_msg(self, text):
self.msg.setText('<h2>%s</h2>' % text) self.text = text
def __call__(self, name, user_text, callback, function, *args, **kwargs): def __call__(self, name, user_text, callback, function, *args, **kwargs):
' Run a job that blocks the GUI providing some feedback to the user ' ' Run a job that blocks the GUI providing some feedback to the user '