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toast.py
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import inspect
import threading
import time, os
import ostools
from PyQt4 import QtGui, QtCore
try:
import pynotify
except:
pynotify = None
class DefaultToast(object):
def __init__(self, machine, title, msg, icon):
self.machine = machine
self.title = title
self.msg = msg
self.icon = icon
def show(self):
print self.title, self.msg, self.icon
self.done()
def done(self):
t = self.machine.toasts[0]
if t.title == self.title and t.msg == self.msg and t.icon == self.icon:
self.machine.toasts.pop(0)
self.machine.displaying = False
print "Done"
class ToastMachine(object):
class __Toast__(object):
def __init__(self, machine, title, msg, time=3000, icon="", importance=0):
self.machine = machine
self.title = title
self.msg = msg
self.time = time
if icon:
icon = os.path.abspath(icon)
self.icon = icon
self.importance = importance
if inspect.ismethod(self.title) or inspect.isfunction(self.title):
self.title = self.title()
def titleM(self, title=None):
if title:
self.title = title
if inspect.ismethod(self.title) or inspect.isfunction(self.title):
self.title = self.title()
else: return self.title
def msgM(self, msg=None):
if msg: self.msg = msg
else: return self.msg
def timeM(self, time=None):
if time: self.time = time
else: return self.time
def iconM(self, icon=None):
if icon: self.icon = icon
else: return self.icon
def importanceM(self, importance=None):
if importance != None: self.importance = importance
else: return self.importance
def show(self):
if self.machine.on:
# Use libnotify's queue if using libnotify
if self.machine.type == "libnotify" or self.machine.type == "twmn":
self.realShow()
elif self.machine.toasts:
self.machine.toasts.append(self)
else:
self.machine.toasts.append(self)
self.realShow()
def realShow(self):
self.machine.displaying = True
t = None
for (k,v) in self.machine.types.iteritems():
if self.machine.type == k:
try:
args = inspect.getargspec(v.__init__).args
except:
args = []
extras = {}
if 'parent' in args:
extras['parent'] = self.machine.parent
if 'time' in args:
extras['time'] = self.time
if k == "libnotify" or k == "twmn":
t = v(self.title, self.msg, self.icon, **extras)
else:
t = v(self.machine, self.title, self.msg, self.icon, **extras)
# Use libnotify's urgency setting
if k == "libnotify":
if self.importance < 0:
t.set_urgency(pynotify.URGENCY_CRITICAL)
elif self.importance == 0:
t.set_urgency(pynotify.URGENCY_NORMAL)
elif self.importance > 0:
t.set_urgency(pynotify.URGENCY_LOW)
break
if not t:
if 'default' in self.machine.types:
if 'parent' in inspect.getargspec(self.machine.types['default'].__init__).args:
t = self.machine.types['default'](self.machine, self.title, self.msg, self.icon, self.machine.parent)
else:
t = self.machine.types['default'](self.machine, self.title, self.msg, self.icon)
else:
t = DefaultToast(self.title, self.msg, self.icon)
t.show()
def __init__(self, parent, name, on=True, type="default",
types=({'default' : DefaultToast,
'libnotify': pynotify.Notification}
if pynotify else
{'default' : DefaultToast}),
extras={}):
self.parent = parent
self.name = name
self.on = on
types.update(extras)
self.types = types
self.type = "default"
self.quit = False
self.displaying = False
self.setCurrentType(type)
self.toasts = []
def Toast(self, title, msg, icon="", time=3000):
return self.__Toast__(self, title, msg, time=time, icon=icon)
def setEnabled(self, on):
self.on = (on is True)
def currentType(self):
return self.type
def availableTypes(self):
return sorted(self.types.keys())
def setCurrentType(self, type):
if type in self.types:
if type == "libnotify":
if not pynotify or not pynotify.init("ToastMachine"):
print "Problem initilizing pynotify"
return
#self.type = type = "default"
elif type == "twmn":
from libs import pytwmn
try:
pytwmn.init()
except pytwmn.ERROR, e:
print "Problem initilizing pytwmn: " + str(e)
return
#self.type = type = "default"
self.type = type
def appName(self):
if inspect.ismethod(self.name) or inspect.isfunction(self.name):
return self.name()
else:
return self.name
def showNext(self):
if not self.displaying and self.toasts:
self.toasts.sort(key=lambda x: x.importance)
self.toasts[0].realShow()
def showAll(self):
while self.toasts:
self.showNext()
def run(self):
while not self.quit:
if self.on and self.toasts:
self.showNext()
class PesterToast(QtGui.QWidget, DefaultToast):
def __init__(self, machine, title, msg, icon, time=3000, parent=None):
QtGui.QWidget.__init__(self, parent)
self.machine = machine
self.time = time
if ostools.isWin32():
self.setWindowFlags(QtCore.Qt.ToolTip)
else:
self.setWindowFlags(QtCore.Qt.WindowStaysOnTopHint | QtCore.Qt.X11BypassWindowManagerHint | QtCore.Qt.ToolTip)
self.m_animation = QtCore.QParallelAnimationGroup()
anim = QtCore.QPropertyAnimation(self)
anim.setTargetObject(self)
self.m_animation.addAnimation(anim)
anim.setEasingCurve(QtCore.QEasingCurve.OutBounce)
anim.setDuration(1000)
self.connect(anim, QtCore.SIGNAL('finished()'),
self, QtCore.SLOT('reverseTrigger()'))
self.m_animation.setDirection(QtCore.QAnimationGroup.Forward)
self.title = QtGui.QLabel(title, self)
self.msg = QtGui.QLabel(msg, self)
self.content = msg
if icon:
self.icon = QtGui.QLabel("")
self.icon.setPixmap(QtGui.QPixmap(icon).scaledToWidth(30))
else:
self.icon = QtGui.QLabel("")
self.icon.setPixmap(QtGui.QPixmap(30, 30))
self.icon.pixmap().fill(QtGui.QColor(0,0,0,0))
layout_0 = QtGui.QVBoxLayout()
layout_0.setMargin(0)
layout_0.setContentsMargins(0, 0, 0, 0)
if self.icon:
layout_1 = QtGui.QGridLayout()
layout_1.addWidget(self.icon, 0,0, 1,1)
layout_1.addWidget(self.title, 0,1, 1,7)
layout_1.setAlignment(self.msg, QtCore.Qt.AlignTop)
layout_0.addLayout(layout_1)
else:
layout_0.addWidget(self.title)
layout_0.addWidget(self.msg)
self.setMaximumWidth(self.parent().theme["toasts/width"])
self.msg.setMaximumWidth(self.parent().theme["toasts/width"])
self.title.setMinimumHeight(self.parent().theme["toasts/title/minimumheight"])
self.setLayout(layout_0)
self.setGeometry(0,0, self.parent().theme["toasts/width"], self.parent().theme["toasts/height"])
self.setStyleSheet(self.parent().theme["toasts/style"])
self.title.setStyleSheet(self.parent().theme["toasts/title/style"])
if self.icon:
self.icon.setStyleSheet(self.parent().theme["toasts/icon/style"])
self.msg.setStyleSheet(self.parent().theme["toasts/content/style"])
self.layout().setSpacing(0)
self.msg.setText(PesterToast.wrapText(self.msg.font(), unicode(self.msg.text()), self.parent().theme["toasts/width"], self.parent().theme["toasts/content/style"]))
p = QtGui.QApplication.desktop().availableGeometry(self).bottomRight()
o = QtGui.QApplication.desktop().screenGeometry(self).bottomRight()
anim.setStartValue(p.y() - o.y())
anim.setEndValue(100)
self.connect(anim, QtCore.SIGNAL('valueChanged(QVariant)'),
self, QtCore.SLOT('updateBottomLeftAnimation(QVariant)'))
self.byebye = False
@QtCore.pyqtSlot()
def show(self):
self.m_animation.start()
@QtCore.pyqtSlot()
def done(self):
QtGui.QWidget.hide(self)
t = self.machine.toasts[0]
if t.title == unicode(self.title.text()) and \
t.msg == unicode(self.content):
self.machine.toasts.pop(0)
self.machine.displaying = False
if self.machine.on:
self.machine.showNext()
del self
@QtCore.pyqtSlot()
def reverseTrigger(self):
if self.time >= 0:
QtCore.QTimer.singleShot(self.time, self, QtCore.SLOT('reverseStart()'))
@QtCore.pyqtSlot()
def reverseStart(self):
if not self.byebye:
self.byebye = True
anim = self.m_animation.animationAt(0)
self.m_animation.setDirection(QtCore.QAnimationGroup.Backward)
anim.setEasingCurve(QtCore.QEasingCurve.InCubic)
self.disconnect(anim, QtCore.SIGNAL('finished()'),
self, QtCore.SLOT('reverseTrigger()'))
self.connect(anim, QtCore.SIGNAL('finished()'),
self, QtCore.SLOT('done()'))
self.m_animation.start()
@QtCore.pyqtSlot(QtCore.QVariant)
def updateBottomLeftAnimation(self, value):
p = QtGui.QApplication.desktop().availableGeometry(self).bottomRight()
val = float(self.height())/100
self.move(p.x()-self.width(), p.y() - (value.toInt()[0] * val) +1)
self.layout().setSpacing(0)
QtGui.QWidget.show(self)
def mousePressEvent(self, event):
if event.button() == QtCore.Qt.RightButton:
self.reverseStart()
elif event.button() == QtCore.Qt.LeftButton:
pass
@staticmethod
def wrapText(font, text, maxwidth, css=""):
ret = []
metric = QtGui.QFontMetrics(font)
if "padding" in css:
if css[css.find("padding")+7] != "-":
colon = css.find(":", css.find("padding"))
semicolon = css.find(";", css.find("padding"))
if semicolon < 0:
stuff = css[colon+1:]
else:
stuff = css[colon+1:semicolon]
stuff = stuff.replace("px", "").lstrip().rstrip()
stuff = stuff.split(" ")
if len(stuff) == 1:
maxwidth -= int(stuff[0])*2
elif len(stuff) == 2:
maxwidth -= int(stuff[1])*2
elif len(stuff) == 3:
maxwidth -= int(stuff[1])*2
elif len(stuff) == 4:
maxwidth -= int(stuff[1]) + int(stuff[3])
else:
if "padding-left" in css:
colon = css.find(":", css.find("padding-left"))
semicolon = css.find(";", css.find("padding-left"))
if semicolon < 0:
stuff = css[colon+1:]
else:
stuff = css[colon+1:semicolon]
stuff = stuff.replace("px", "").lstrip().rstrip()
if stuff.isdigit():
maxwidth -= int(stuff)
if "padding-right" in css:
colon = css.find(":", css.find("padding-right"))
semicolon = css.find(";", css.find("padding-right"))
if semicolon < 0:
stuff = css[colon+1:]
else:
stuff = css[colon+1:semicolon]
stuff = stuff.replace("px", "").lstrip().rstrip()
if stuff.isdigit():
maxwidth -= int(stuff)
if metric.width(text) < maxwidth:
return text
while metric.width(text) > maxwidth:
lastspace = text.find(" ")
curspace = lastspace
while metric.width(text, curspace) < maxwidth:
lastspace = curspace
curspace = text.find(" ", lastspace+1)
if curspace == -1:
break
if (metric.width(text[:lastspace]) > maxwidth) or \
len(text[:lastspace]) < 1:
for i in xrange(len(text)):
if metric.width(text[:i]) > maxwidth:
lastspace = i-1
break
ret.append(text[:lastspace])
text = text[lastspace+1:]
ret.append(text)
return "\n".join(ret)
class PesterToastMachine(ToastMachine, QtCore.QObject):
def __init__(self, parent, name, on=True, type="default",
types=({'default' : DefaultToast,
'libnotify' : pynotify.Notification}
if pynotify else
{'default' : DefaultToast}),
extras={}):
ToastMachine.__init__(self, parent, name, on, type, types, extras)
QtCore.QObject.__init__(self, parent)
def setEnabled(self, on):
oldon = self.on
ToastMachine.setEnabled(self, on)
if oldon != self.on:
self.parent.config.set('notify', self.on)
if self.on:
self.timer.start()
else:
self.timer.stop()
def setCurrentType(self, type):
oldtype = self.type
ToastMachine.setCurrentType(self, type)
if oldtype != self.type:
self.parent.config.set('notifyType', self.type)
@QtCore.pyqtSlot()
def showNext(self):
ToastMachine.showNext(self)
def run(self):
pass
#~ self.timer = QtCore.QTimer(self)
#~ self.timer.setInterval(1000)
#~ self.connect(self.timer, QtCore.SIGNAL('timeout()'),
#~ self, QtCore.SLOT('showNext()'))
#~ if self.on:
#~ self.timer.start()