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Clean up Alerts code to use correct timmers

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code now allows slides and songs to change with alert still active
This commit is contained in:
Tim Bentley 2009-07-19 08:40:31 +01:00
parent 4552fb543a
commit 6861877c3d
1 changed files with 27 additions and 12 deletions
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39
openlp/core/ui/maindisplay.py
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@ -18,7 +18,7 @@ this program; if not, write to the Free Software Foundation, Inc., 59 Temple
Place, Suite 330, Boston, MA 02111-1307 USA
"""
from PyQt4 import QtCore, QtGui, QtTest
from PyQt4 import QtCore, QtGui
from time import sleep
from openlp.core.lib import translate
@ -41,6 +41,7 @@ class MainDisplay(QtGui.QWidget):
self.alertactive = False
self.alerttext = u''
self.alertTab = None
self.timer_id = 0
def setup(self, screenNumber):
"""
@ -69,11 +70,18 @@ class MainDisplay(QtGui.QWidget):
self.frameView(self.blankFrame)
def frameView(self, frame):
"""
Called from a slide controller to display a frame
if the alert is in progress the alert is added on top
``frame``
Image frame to be rendered
"""
self.frame = frame
if not self.displayBlank:
self.display.setPixmap(QtGui.QPixmap.fromImage(frame))
elif self.alertactive:
if self.timer_id != 0 :
self.displayAlert()
elif not self.displayBlank:
self.display.setPixmap(QtGui.QPixmap.fromImage(frame))
def blankDisplay(self):
if not self.displayBlank:
@ -85,17 +93,17 @@ class MainDisplay(QtGui.QWidget):
def alert(self, alertTab, text):
"""
Called from the Alert Tab
alertTab = details from AlertTab
text = display text
screen = screen number to be displayed on.
Called from the Alert Tab to display an alert
``alertTab``
details from AlertTab
``text``
display text
"""
self.alerttext = text
self.alertTab = alertTab
if len(text) > 0:
self.alertactive = True
self.displayAlert()
self.alertactive = False
def displayAlert(self):
alertframe = QtGui.QPixmap.fromImage(self.frame)
@ -113,5 +121,12 @@ class MainDisplay(QtGui.QWidget):
painter.drawText(x, y+metrics.height()-metrics.descent()-1, self.alerttext)
painter.end()
self.display.setPixmap(alertframe)
QtTest.QTest.qWait(self.alertTab.timeout*1000)
self.display.setPixmap(QtGui.QPixmap.fromImage(self.frame))
# check to see if we have a timer running
if self.timer_id == 0:
self.timer_id = self.startTimer(int(self.alertTab.timeout) * 1000)
def timerEvent(self, event):
if event.timerId() == self.timer_id:
self.display.setPixmap(QtGui.QPixmap.fromImage(self.frame))
self.killTimer(self.timer_id)
self.timer_id = 0