def animate_to(t, item, x, y, angle):
# The QGraphicsItemAnimation class is used to
# animate an item in specific ways
# FIXME QGraphicsItemAnimation class is no longer supported.
animation = QGraphicsItemAnimation()
# You create a timeline (in this case, it is 1 second long
timeline = QTimeLine(1000)
# And it has 100 steps
timeline.setFrameRange(0, 100)
# I want that, at time t, the item be at point x,y
animation.setPosAt(t, QPointF(x, y))
# And it should be rotated at angle "angle"
animation.setRotationAt(t, angle)
# It should animate this specific item
animation.setItem(item)
# And the whole animation is this long, and has
# this many steps as I set in timeline.
animation.setTimeLine(timeline)
# Here is the animation, use it.
return animation
class CCountUp(QLabel):
def __init__(self, *args, **kwargs):
super(CCountUp, self).__init__(*args, **kwargs)
self.isFloat = False # 是否是小数
font = self.font() or QFont()
font.setBold(True)
self.setFont(font)
self.timeline = QTimeLine(6000, self)
self.timeline.setEasingCurve(QEasingCurve.OutExpo)
self.timeline.frameChanged.connect(self.onFrameChanged)
def pause(self):
"""暂停
"""
self.timeline.setPaused(True)
def resume(self):
"""继续
"""
self.timeline.resume()
def isPaused(self):
"""是否暂停
"""
return self.timeline.state() == QTimeLine.Paused
def reset(self):
"""重置
"""
self.timeline.stop()
self.isFloat = False # 是否是小数
self.setText('0')
def onFrameChanged(self, value):
if self.isFloat:
value = round(value / 100.0 + 0.00001, 2)
value = str(format(value, ','))
self.setText(value + '0' if value.endswith('.0') else value)
def setDuration(self, duration):
"""设置动画持续时间
:param duration:
"""
self.timeline.setDuration(duration)
def setNum(self, number):
"""设置数字
:param number: int or float
"""
if isinstance(number, int):
self.isFloat = False
self.timeline.setFrameRange(0, number)
elif isinstance(number, float):
self.isFloat = True
self.timeline.setFrameRange(0, number * 100)
self.timeline.stop()
self.setText('0')
self.timeline.start()
class TimedProgressBar(QProgressBar):
"""A QProgressBar showing a certain time elapse."""
hideOnTimeout = True
def __init__(self, parent=None):
super(TimedProgressBar, self).__init__(parent, minimum=0, maximum=100)
self._timeline = QTimeLine(updateInterval=100,
frameChanged=self.setValue)
self._timeline.setFrameRange(0, 100)
self._hideTimer = QTimer(timeout=self._done,
singleShot=True,
interval=3000)
def start(self, total, elapsed=0.0):
"""Starts showing progress.
total is the number of seconds (maybe float) the timeline will last,
elapsed (defaulting to 0) is the value to start with.
"""
self._hideTimer.stop()
self._timeline.stop()
self._timeline.setDuration(total * 1000)
self._timeline.setCurrentTime(elapsed * 1000)
self.setValue(self._timeline.currentFrame())
self._timeline.resume()
if self.hideOnTimeout:
self.show()
def stop(self, showFinished=True):
"""Ends the progress display.
If showFinished is True (the default), 100% is shown for a few
seconds and then the progress is reset.
The progressbar is hidden if the hideOnTimeout attribute is True.
"""
self._hideTimer.stop()
self._timeline.stop()
if showFinished:
self.setValue(100)
self._hideTimer.start()
else:
self._done()
def _done(self):
if self.hideOnTimeout:
self.hide()
self.reset()
class MyView(QGraphicsView):
def __init__(self):
super().__init__()
self.initView()
self.setupScene()
self.setupAnimation()
self.setGeometry(300, 150, 250, 250)
def initView(self):
self.setWindowTitle("Progress meter")
self.setRenderHint(QPainter.Antialiasing)
policy = Qt.ScrollBarAlwaysOff
self.setVerticalScrollBarPolicy(policy)
self.setHorizontalScrollBarPolicy(policy)
self.setBackgroundBrush(self.palette().window())
self.pm = ProgressMeter(self)
self.pm.setPos(55, 55)
def setupScene(self):
self.scene = QGraphicsScene(self)
self.scene.setSceneRect(0, 0, 250, 250)
self.scene.addItem(self.pm)
self.setScene(self.scene)
def setupAnimation(self):
self.timer = QTimeLine()
self.timer.setLoopCount(0)
self.timer.setFrameRange(0, 100)
self.timer.frameChanged[int].connect(self.doStep)
self.timer.start()
def doStep(self, i):
if not self.pm.increment():
self.timer.stop()
self.pm.update()
class AnimationView(QWidget):
"""docstring for AnimationView"""
frameIndex = 0
frameCount = 0
def __init__(self, bmpFrames):
super(AnimationView, self).__init__()
self.setFixedSize(frameWidth,frameHeight)
self.bmpSize =64
if bmpFrames :
self.bmpFrames = bmpFrames
self.frameCount = len(bmpFrames)
self.bmpSize = bmpFrames[0].width()
else :
self.initDefaultFrames()
def initDefaultFrames(self):
self.bmpFrames = []
defaultImage = QImage("..\\resource\\default.bmp")
imageWidth = defaultImage.width()
imageHeight = defaultImage.height()
#判断各幀图片是否是横向排列
isHorizontal = min(imageWidth,imageHeight) == imageHeight
#计算幀数
self.frameCount = imageWidth//frameWidth if isHorizontal else imageHeight//frameHeight
for i in range(0,self.frameCount):
pixmap = QPixmap(defaultImage.copy(i*frameWidth if isHorizontal else 0,
0 if isHorizontal else i*frameHeight,frameWidth,frameHeight))
eliminateBackgroundColor(pixmap)
self.bmpFrames.append(pixmap)
def createAnimation(self):
self.timeLine = QTimeLine(10*1000)
self.timeLine.setFrameRange(0,60//(4/self.frameCount))
self.timeLine.frameChanged.connect(self.refreshFrameIndex)
self.timeLine.setLoopCount(0)
self.timeLine.setCurveShape(3)
self.timeLine.start()
def refreshFrameIndex(self,currFrame):
self.update()
self.frameIndex = (self.frameIndex+1) % self.frameCount
def paintEvent(self,event):
painter = QPainter(self)
painter.drawPixmap((frameWidth-self.bmpSize)//2,(frameHeight-self.bmpSize)//2,self.bmpFrames[self.frameIndex])
class TimedProgressBar(QProgressBar):
"""A QProgressBar showing a certain time elapse."""
hideOnTimeout = True
def __init__(self, parent=None):
super(TimedProgressBar, self).__init__(parent, minimum=0, maximum=100)
self._timeline = QTimeLine(updateInterval=100, frameChanged=self.setValue)
self._timeline.setFrameRange(0, 100)
self._hideTimer = QTimer(timeout=self._done, singleShot=True, interval=3000)
def start(self, total, elapsed=0.0):
"""Starts showing progress.
total is the number of seconds (maybe float) the timeline will last,
elapsed (defaulting to 0) is the value to start with.
"""
self._hideTimer.stop()
self._timeline.stop()
self._timeline.setDuration(total * 1000)
self._timeline.setCurrentTime(elapsed * 1000)
self.setValue(self._timeline.currentFrame())
self._timeline.resume()
if self.hideOnTimeout:
self.show()
def stop(self, showFinished=True):
"""Ends the progress display.
If showFinished is True (the default), 100% is shown for a few
seconds and then the progress is reset.
The progressbar is hidden if the hideOnTimeout attribute is True.
"""
self._hideTimer.stop()
self._timeline.stop()
if showFinished:
self.setValue(100)
self._hideTimer.start()
else:
self._done()
def _done(self):
if self.hideOnTimeout:
self.hide()
self.reset()
def __init__(self, size, color):
super().__init__()
self._loading_angle = 0
self.width = 0
self.color = color
self.setWindowFlags(Qt.FramelessWindowHint)
self.setAttribute(Qt.WA_TranslucentBackground)
self.setStyleSheet("background:transparent;")
self.resize(size, size)
self.center()
self.initUI()
timeline = QTimeLine(3000, self)
timeline.setFrameRange(360, 0)
timeline.frameChanged.connect(self.setLoadingAngle)
timeline.start()
def __init__(self, size, color, side):
super().__init__()
self._next_step = 0
self.width = 0
self.color = color
self.side = side
self.setWindowFlags(Qt.FramelessWindowHint)
self.setAttribute(Qt.WA_TranslucentBackground)
self.setStyleSheet("background:transparent;")
self.resize(size, size)
self.center()
self.initUI()
timeline = QTimeLine(3000, self)
timeline.setFrameRange(size, 0)
timeline.frameChanged.connect(self.setNextStep)
timeline.start()
class MainWindow(QMainWindow):
def __init__(self, parent=None):
QMainWindow.__init__(self, parent)
self.setWindowTitle("Screen and Gaze Capture")
grid = QGridLayout()
layout_frame = QFrame()
layout_frame.setLayout(grid)
self.setCentralWidget(layout_frame)
self.tracker_label = QLabel("No eye tracker connected.")
grid.addWidget(self.tracker_label, 0, 0)
connect_button = QPushButton("Connect to Eye Tracker")
connect_button.pressed.connect(connect_to_tracker)
grid.addWidget(connect_button, 1, 0)
calibrate_button = QPushButton("Calibrate Eye Tracker")
calibrate_button.pressed.connect(calibrate)
grid.addWidget(calibrate_button, 2, 0)
self.record_button = QPushButton("Record Screen and Gaze")
self.record_button.pressed.connect(capture_screen)
grid.addWidget(self.record_button, 3, 0)
self.author_vid_button = QPushButton("Write Author Video")
self.author_vid_button.pressed.connect(create_video)
grid.addWidget(self.author_vid_button, 4, 0)
self.author_vid_button.setEnabled(False)
self.timeline = QTimeLine()
self.timeline.setCurveShape(QTimeLine.LinearCurve)
self.timeline.setDuration(360000) #Totsl video lengthn in milliseconds
self.timeline.setFrameRange(
0, 7500) #Maximum Frames in this video as 30 fps
self.timeline.frameChanged.connect(update_frame)
self.timeline.setUpdateInterval(10) #Rate of Frame Capture
def keyPressEvent(self, event):
if event.key() == Qt.Key_Escape:
app.closeAllWindows()
class Demo(QWidget):
def __init__(self):
super(Demo, self).__init__()
self.resize(600, 600)
self.label = QLabel('Hello PyQt5', self)
self.label.move(-100, 100)
self.timeline = QTimeLine(5000, self)
self.timeline.setFrameRange(0, 700)
self.timeline.frameChanged.connect(self.set_frame_func)
self.timeline.stateChanged.connect(
lambda: print(self.timeline.state())) # 1
self.timeline.setLoopCount(0)
self.start_btn = QPushButton('Start', self)
self.stop_btn = QPushButton('Stop', self)
self.pause_btn = QPushButton('Pause', self)
self.resume_btn = QPushButton('Resume', self)
self.start_btn.clicked.connect(self.timeline.start) # 2
self.stop_btn.clicked.connect(self.timeline.stop)
self.pause_btn.clicked.connect(lambda: self.timeline.setPaused(True))
self.resume_btn.clicked.connect(self.timeline.resume)
self.h_layout = QHBoxLayout()
self.v_layout = QVBoxLayout()
self.h_layout.addWidget(self.start_btn)
self.h_layout.addWidget(self.stop_btn)
self.h_layout.addWidget(self.pause_btn)
self.h_layout.addWidget(self.resume_btn)
self.v_layout.addStretch(1)
self.v_layout.addLayout(self.h_layout)
self.setLayout(self.v_layout)
def set_frame_func(self, frame):
self.label.move(-100 + frame, 100)
class Widget(Ui_CollectionsWidget, QWidget, ScreenWidget):
name = "collectionSelection"
def __init__(self):
QWidget.__init__(self)
self.setupUi(self)
self.collections = None
self.current_item = None
self.last_item = None
self.collectionList.itemClicked.connect(self.openItem)
self.collectionList.currentItemChanged.connect(self.itemChanged)
def fillCollections(self):
self.collectionList.clear()
selected = None
for index, collection in enumerate(self.collections):
self.addItem(collection)
if ctx.installData.autoCollection == collection:
selected = index
if not selected:
selected = 0
self.current_item = self.collectionList.item(selected)
self.last_item = self.current_item
self.collectionList.setCurrentRow(selected)
def shown(self):
self.collections = ctx.collections
self.fillCollections()
ctx.mainScreen.disableNext()
if self.current_item:
self.openItem(self.current_item)
else:
self.openItem(self.collectionList.item(0))
self.check()
def execute(self):
ctx.installData.autoCollection = self.collectionList.itemWidget(
self.current_item).collection
return True
def check(self):
if self.current_item:
ctx.mainScreen.enableNext()
else:
ctx.mainScreen.disableNext()
def itemChanged(self, current, previous):
self.current_item = current
self.check()
def addItem(self, collection):
item = QListWidgetItem(self.collectionList)
item.setSizeHint(QSize(36, CLOSED_SIZE))
self.collectionList.addItem(item)
self.collectionList.setItemWidget(
item, CollectionItem(self, collection, item))
def openItem(self, item):
if item == self.last_item:
return
if self.last_item:
self.closeItem(self.last_item)
self.animation = QTimeLine(ANIMATE_TIME, self)
self.animation.setFrameRange(36, EXPANDED_SIZE)
self.animation.frameChanged.connect(
lambda x: item.setSizeHint(QSize(32, x)))
self.animation.start()
self.last_item = item
self.animation.finished.connect(
lambda: self.collectionList.setCurrentItem(item))
def closeItem(self, item):
animation = QTimeLine(ANIMATE_TIME, self)
animation.setFrameRange(146, CLOSED_SIZE)
animation.frameChanged.connect(
lambda x: item.setSizeHint(QSize(32, x)))
animation.start()
def closeItem(self, item):
animation = QTimeLine(ANIMATE_TIME, self)
animation.setFrameRange(146, CLOSED_SIZE)
animation.frameChanged.connect(
lambda x: item.setSizeHint(QSize(32, x)))
animation.start()
def closeItem(self, item):
animation = QTimeLine(ANIMATE_TIME, self)
animation.setFrameRange(146, CLOSED_SIZE)
animation.frameChanged.connect(lambda x: item.setSizeHint(QSize(32, x)))
animation.start()
class Widget(Ui_CollectionsWidget, QWidget, ScreenWidget):
name = "collectionSelection"
def __init__(self):
QWidget.__init__(self)
self.setupUi(self)
self.collections = None
self.current_item = None
self.last_item = None
self.collectionList.itemClicked.connect(self.openItem)
self.collectionList.currentItemChanged.connect(self.itemChanged)
def fillCollections(self):
self.collectionList.clear()
selected = None
for index, collection in enumerate(self.collections):
self.addItem(collection)
if ctx.installData.autoCollection == collection:
selected = index
if not selected:
selected = 0
self.current_item = self.collectionList.item(selected)
self.last_item = self.current_item
self.collectionList.setCurrentRow(selected)
def shown(self):
self.collections = ctx.collections
self.fillCollections()
ctx.mainScreen.disableNext()
if self.current_item:
self.openItem(self.current_item)
else:
self.openItem(self.collectionList.item(0))
self.check()
def execute(self):
ctx.installData.autoCollection = self.collectionList.itemWidget(self.current_item).collection
return True
def check(self):
if self.current_item:
ctx.mainScreen.enableNext()
else:
ctx.mainScreen.disableNext()
def itemChanged(self, current, previous):
self.current_item = current
self.check()
def addItem(self, collection):
item = QListWidgetItem(self.collectionList)
item.setSizeHint(QSize(36, CLOSED_SIZE))
self.collectionList.addItem(item)
self.collectionList.setItemWidget(item, CollectionItem(self, collection, item))
def openItem(self, item):
if item == self.last_item:
return
if self.last_item:
self.closeItem(self.last_item)
self.animation = QTimeLine(ANIMATE_TIME, self)
self.animation.setFrameRange(36, EXPANDED_SIZE)
self.animation.frameChanged.connect(lambda x: item.setSizeHint(QSize(32, x)))
self.animation.start()
self.last_item = item
self.animation.finished.connect(lambda: self.collectionList.setCurrentItem(item))
def closeItem(self, item):
animation = QTimeLine(ANIMATE_TIME, self)
animation.setFrameRange(146, CLOSED_SIZE)
animation.frameChanged.connect(lambda x: item.setSizeHint(QSize(32, x)))
animation.start()
class Window(QWidget):
def __init__(self, *args, **kwargs):
super(Window, self).__init__(*args, **kwargs)
self.resize(600, 200)
layout = QVBoxLayout(self)
# 配置全局属性（也可以通过start方法里的参数配置单独的属性）
CLoadingBar.config(height=2,
direction=CLoadingBar.TOP,
color='#2d8cf0',
failedColor='#ed4014')
# 子控件顶部进度
self.widget1 = QWidget(self)
layout.addWidget(self.widget1)
CLoadingBar.start(self.widget1, color='#19be6b', failedColor='#ff9900')
widget = QWidget(self)
layoutc = QHBoxLayout(widget)
layoutc.addWidget(QPushButton('开始', self, clicked=self.doStart))
layoutc.addWidget(QPushButton('结束', self, clicked=self.doFinish))
layoutc.addWidget(QPushButton('错误', self, clicked=self.doError))
layout.addWidget(widget)
# 子控件底部进度
self.widget2 = QWidget(self)
layout.addWidget(self.widget2)
CLoadingBar.start(self.widget2, direction=CLoadingBar.BOTTOM, height=6)
# 模拟进度
self.updateTimer = QTimeLine(10000,
self,
frameChanged=self.doUpdateProgress)
self.updateTimer.setFrameRange(0, 100)
# 设置数字变化曲线模拟进度的不规则变化
self.updateTimer.setCurveShape(QTimeLine.EaseInOutCurve)
def doStart(self):
"""模拟开始
"""
self.updateTimer.stop()
self.updateTimer.start()
def doFinish(self):
"""模拟结束
"""
self.updateTimer.stop()
CLoadingBar.finish(self.widget1)
CLoadingBar.finish(self.widget2)
def doError(self):
"""模拟出错
"""
self.updateTimer.stop()
CLoadingBar.error(self.widget1)
CLoadingBar.error(self.widget2)
def doUpdateProgress(self, value):
"""模拟进度值变化
:param value:
"""
CLoadingBar.update(self.widget1, value)
CLoadingBar.update(self.widget2, value)
if value == 100:
self.updateTimer.stop()
self.doFinish()
r = 0
for i in range(self.m_digits):
r = c % 10
c = c // 10
rect = QRectF(x + self.X_OFFSET, self.Y_OFFSET, w, h)
self.m_svg.render(p, "d{}".format(r), rect)
x -= w
p.restore()
def inicio(self):
import analogwidgets_rc
self.m_value = 0
self.m_digits = 4
self.m_svg = None
self.setDigitsFile(":/default/resources/train_digits.svg")
if __name__ == '__main__':
import sys
from PyQt5.QtCore import QTimeLine
app = QApplication(sys.argv)
w = PyCounter()
timeline = QTimeLine(10000)
timeline.setFrameRange(0, 9999)
timeline.frameChanged.connect(w.setValue)
timeline.start()
w.show()
sys.exit(app.exec_())
class E5AnimatedWidget(QWidget):
"""
Class implementing an animated widget.
"""
DirectionDown = 0
DirectionUp = 1
def __init__(self, direction=DirectionDown, duration=300, parent=None):
"""
Constructor
@param direction direction of the animation
@type int (one of DirectionDown or DirectionUp)
@param duration duration of the animation
@type int
@param parent reference to the parent widget
@type QWidget
"""
super(E5AnimatedWidget, self).__init__(parent)
self.__direction = direction
self.__stepHeight = 0.0
self.__stepY = 0.0
self.__startY = 0
self.__widget = QWidget(self)
self.__timeline = QTimeLine(duration)
self.__timeline.setFrameRange(0, 100)
self.__timeline.frameChanged.connect(self.__animateFrame)
self.setMaximumHeight(0)
def widget(self):
"""
Public method to get a reference to the animated widget.
@return reference to the animated widget
@rtype QWidget
"""
return self.__widget
@pyqtSlot()
def startAnimation(self):
"""
Public slot to start the animation.
"""
if self.__timeline.state() == QTimeLine.Running:
return
shown = 0
hidden = 0
if self.__direction == self.DirectionDown:
shown = 0
hidden = -self.__widget.height()
self.__widget.move(QPoint(self.__widget.pos().x(), hidden))
self.__stepY = (hidden - shown) / 100.0
self.__startY = hidden
self.__stepHeight = self.__widget.height() / 100.0
self.__timeline.setDirection(QTimeLine.Forward)
self.__timeline.start()
@pyqtSlot(int)
def __animateFrame(self, frame):
"""
Private slot to animate the next frame.
@param frame frame number
@type int
"""
self.setFixedHeight(frame * self.__stepHeight)
self.__widget.move(self.pos().x(),
self.__startY - frame * self.__stepY)
@pyqtSlot()
def hide(self):
"""
Public slot to hide the animated widget.
"""
if self.__timeline.state() == QTimeLine.Running:
return
self.__timeline.setDirection(QTimeLine.Backward)
self.__timeline.finished.connect(self.close)
self.__timeline.start()
p = self.parentWidget()
if p is not None:
p.setFocus()
def resizeEvent(self, evt):
"""
Protected method to handle a resize event.
@param evt reference to the event object
@type QResizeEvent
"""
if evt.size().width() != self.__widget.width():
self.__widget.resize(evt.size().width(), self.__widget.height())
super(E5AnimatedWidget, self).resizeEvent(evt)
class E5AnimatedWidget(QWidget):
"""
Class implementing an animated widget.
"""
DirectionDown = 0
DirectionUp = 1
def __init__(self, direction=DirectionDown, duration=300, parent=None):
"""
Constructor
@param direction direction of the animation
@type int (one of DirectionDown or DirectionUp)
@param duration duration of the animation
@type int
@param parent reference to the parent widget
@type QWidget
"""
super(E5AnimatedWidget, self).__init__(parent)
self.__direction = direction
self.__stepHeight = 0.0
self.__stepY = 0.0
self.__startY = 0
self.__widget = QWidget(self)
self.__timeline = QTimeLine(duration)
self.__timeline.setFrameRange(0, 100)
self.__timeline.frameChanged.connect(self.__animateFrame)
self.setMaximumHeight(0)
def widget(self):
"""
Public method to get a reference to the animated widget.
@return reference to the animated widget
@rtype QWidget
"""
return self.__widget
@pyqtSlot()
def startAnimation(self):
"""
Public slot to start the animation.
"""
if self.__timeline.state() == QTimeLine.Running:
return
shown = 0
hidden = 0
if self.__direction == self.DirectionDown:
shown = 0
hidden = -self.__widget.height()
self.__widget.move(QPoint(self.__widget.pos().x(), hidden))
self.__stepY = (hidden - shown) / 100.0
self.__startY = hidden
self.__stepHeight = self.__widget.height() / 100.0
self.__timeline.setDirection(QTimeLine.Forward)
self.__timeline.start()
@pyqtSlot(int)
def __animateFrame(self, frame):
"""
Private slot to animate the next frame.
@param frame frame number
@type int
"""
self.setFixedHeight(frame * self.__stepHeight)
self.__widget.move(self.pos().x(),
self.__startY - frame * self.__stepY)
@pyqtSlot()
def hide(self):
"""
Public slot to hide the animated widget.
"""
if self.__timeline.state() == QTimeLine.Running:
return
self.__timeline.setDirection(QTimeLine.Backward)
self.__timeline.finished.connect(self.close)
self.__timeline.start()
p = self.parentWidget()
if p is not None:
p.setFocus()
def resizeEvent(self, evt):
"""
Protected method to handle a resize event.
@param evt reference to the event object
@type QResizeEvent
"""
if evt.size().width() != self.__widget.width():
self.__widget.resize(evt.size().width(), self.__widget.height())
super(E5AnimatedWidget, self).resizeEvent(evt)
class Widget(QWidget, ScreenWidget):
name = "accounts"
def __init__(self):
super(Widget, self).__init__()
self.ui = Ui_SetupUsersWidget()
self.ui.setupUi(self)
self.edititemindex = None
self.time_line = QTimeLine(400, self)
self.time_line.setFrameRange(0, 220)
self.time_line.frameChanged[int].connect(self.animate)
self.ui.scrollArea.setFixedHeight(0)
# User Icons
self.normal_user_icon = QPixmap(":/gui/pics/users.png")
self.super_user_icon = QPixmap(":/gui/pics/users.png")
# Set disabled the create Button
self.ui.createButton.setEnabled(False)
# Connections
self.ui.pass1.textChanged[str].connect(self.slotTextChanged)
self.ui.pass2.textChanged[str].connect(self.slotTextChanged)
self.ui.username.textChanged[str].connect(self.slotTextChanged)
self.ui.realname.textChanged[str].connect(self.slotTextChanged)
self.ui.username.textEdited[str].connect(self.slotUserNameChanged)
self.ui.realname.textEdited[str].connect(self.slotRealNameChanged)
self.ui.userID.valueChanged[int].connect(self.slotTextChanged)
self.ui.userIDCheck.stateChanged[int].connect(self.slotuserIDCheck)
self.ui.createButton.clicked.connect(self.slotCreateUser)
self.ui.cancelButton.clicked.connect(self.resetWidgets)
self.ui.deleteButton.clicked.connect(self.slotDeleteUser)
self.ui.editButton.clicked.connect(self.slotEditUser)
self.ui.addMoreUsers.clicked.connect(self.slotAdvanced)
self.ui.userList.itemDoubleClicked[QListWidgetItem].connect(self.slotEditUser)
self.ui.pass2.returnPressed.connect(self.slotReturnPressed)
# focusInEvent is not a signal
# self.ui.pass1.focusInEvent[QFocusEvent].connect(self.checkCapsLock)
# self.ui.pass2.focusInEvent[QFocusEvent].connect(self.checkCapsLock)
# self.ui.username.focusInEvent[QFocusEvent].connect(self.checkCapsLock)
# self.ui.realname.focusInEvent[QFocusEvent].connect(self.checkCapsLock)
ctx.installData.users = []
ctx.installData.autoLoginUser = None
self.user_name_changed = False
self.used_ids = []
def eventFilter(self, obj, event):
if event.type() == QEvent.FocusIn: # even.type() ==...
if obj == self.ui.pass1 or obj == self.ui.pass2 or \
obj == self.ui.username or obj == self.ui.realname:
self.checkCapsLock()
def shown(self):
self.ui.cancelButton.hide()
self.ui.realname.setFocus()
if len(yali.users.PENDING_USERS) > 0 and self.ui.userList.count() == 0:
for u in yali.users.PENDING_USERS:
pix = self.normal_user_icon
if "wheel" in u.groups:
pix = self.super_user_icon
UserItem(self.ui.userList, pix, user=u)
self.ui.autoLogin.addItem(u.username)
if len(yali.users.PENDING_USERS) == 1:
self.slotEditUser(self.ui.userList.item(0))
elif len(yali.users.PENDING_USERS) > 1:
self.ui.addMoreUsers.setChecked(True)
self.checkUsers()
self.checkCapsLock()
def backCheck(self):
self.refill()
self.ui.cancelButton.hide()
return True
def refill(self):
# reset and fill PENDING_USERS
yali.users.reset_pending_users()
for index in range(self.ui.userList.count()):
user = self.ui.userList.item(index).getUser()
ctx.installData.users.append(user)
yali.users.PENDING_USERS.append(user)
def execute(self):
if self.checkUsers():
ctx.installData.autoLoginUser = str(self.ui.autoLogin.currentText())
if self.ui.createButton.text() == _("General", "Update"):
return self.slotCreateUser()
return True
if not self.slotCreateUser():
ctx.mainScreen.step_increment = 0
return True
self.refill()
ctx.interface.informationWindow.hide()
ctx.installData.autoLoginUser = str(self.ui.autoLogin.currentText())
return True
def setCapsLockIcon(self, child):
if type(child) == QLineEdit:
if pardus.xorg.capslock.isOn():
child.setStyleSheet("""QLineEdit {
background-image: url(:/gui/pics/caps.png);
background-repeat: no-repeat;
background-position: right;
padding-right: 35px;
}""")
else:
child.setStyleSheet("""QLineEdit {
background-image: none;
padding-right: 0px;
}""")
def checkCapsLock(self):
for child in self.ui.groupBox.children():
self.setCapsLockIcon(child)
for child in self.ui.groupBox_2.children():
self.setCapsLockIcon(child)
def keyReleaseEvent(self, e):
self.checkCapsLock()
def showError(self, message):
ctx.interface.informationWindow.update(message, type="error")
ctx.mainScreen.disableNext()
def animate(self, value):
self.ui.scrollArea.setFixedHeight(int(value))
self.ui.frame.setMinimumHeight(250)
if self.ui.scrollArea.height() == 0:
self.ui.scrollArea.hide()
else:
self.ui.scrollArea.show()
if self.ui.scrollArea.height() == 220:
self.time_line.setDirection(1)
self.ui.frame.setMinimumHeight(420)
if self.ui.scrollArea.height() == 0:
self.time_line.setDirection(0)
def slotuserIDCheck(self, state):
if state:
self.ui.userID.setEnabled(True)
else:
self.ui.userID.setEnabled(False)
def slotAdvanced(self):
icon_path = None
if self.ui.scrollArea.isVisible():
icon_path = ":/gui/pics/expand.png"
self.time_line.start()
else:
self.ui.scrollArea.show()
icon_path = ":/gui/pics/collapse.png"
self.time_line.start()
icon = QIcon()
icon.addPixmap(QPixmap(icon_path), QIcon.Normal, QIcon.Off)
self.ui.addMoreUsers.setIcon(icon)
self.checkUsers()
def slotTextChanged(self):
username = str(self.ui.username.text())
realname = unicode(self.ui.realname.text())
password = unicode(self.ui.pass1.text())
password_confirm = unicode(self.ui.pass2.text())
if not password == '' and (password.lower() == username.lower() or
password.lower() == realname.lower()):
self.showError(_("General", 'Don\'t use your user name or name as a password'))
return
elif password_confirm != password and password_confirm:
self.showError(_("General", 'Passwords do not match'))
return
elif len(password) == len(password_confirm) and len(password_confirm) < 4 and not password =='':
self.showError(_("General", 'Password is too short'))
return
else:
ctx.interface.informationWindow.hide()
if self.ui.username.text() and password and password_confirm:
self.ui.createButton.setEnabled(True)
if not self.ui.addMoreUsers.isChecked():
ctx.mainScreen.enableNext()
ctx.mainScreen.enableBack()
else:
self.ui.createButton.setEnabled(False)
if not self.ui.addMoreUsers.isChecked():
ctx.mainScreen.disableNext()
def currentUsers(self):
users = []
for index in range(self.ui.userList.count()):
users.append(self.ui.userList.item(index).getUser().username)
return users
def slotUserNameChanged(self):
self.user_name_changed = True
def slotRealNameChanged(self):
if not self.user_name_changed:
used_users = yali.users.get_users()
used_users.extend(self.currentUsers())
self.ui.username.setText(yali.users.nick_guess(self.ui.realname.text(), used_users))
def slotCreateUser(self):
user = yali.users.User()
user.username = str(self.ui.username.text())
# ignore last character. see bug #887
user.realname = unicode(self.ui.realname.text())
user.passwd = unicode(self.ui.pass1.text())
user.groups = ["users", "pnp", "disk", "audio", "video", "power",
"dialout", "lp", "lpadmin", "cdrom", "floppy"]
pix = self.normal_user_icon
if self.ui.admin.isChecked():
user.groups.append("wheel")
pix = self.super_user_icon
user.no_password = self.ui.noPass.isChecked()
# check user validity
if user.exists() or (user.username in self.currentUsers() and self.edititemindex == None):
self.showError(_("General", "This user name is already taken, please choose another one."))
return False
elif not user.usernameIsValid():
# FIXME: Mention about what are the invalid characters!
self.showError(_("General", "The user name contains invalid characters."))
return False
elif not user.realnameIsValid():
self.showError(_("General", "The real name contains invalid characters."))
return False
# Dont check in edit mode
if self.ui.addMoreUsers.isChecked() and self.ui.userIDCheck.isChecked():
uid = self.ui.userID.value()
if self.edititemindex == None:
if uid in self.used_ids:
self.showError(_("General", 'User ID used before, choose another one!'))
return False
self.used_ids.append(uid)
user.uid = uid
self.ui.createButton.setText(_("General", "Add"))
self.ui.cancelButton.hide()
update_item = None
try:
self.ui.userList.takeItem(self.edititemindex)
self.ui.autoLogin.removeItem(self.edititemindex + 1)
except:
update_item = self.edititemindex
# nothing wrong. just adding a new user...
pass
item = UserItem(self.ui.userList, pix, user=user)
# add user to auto-login list.
self.ui.autoLogin.addItem(user.username)
if update_item:
self.ui.autoLogin.setCurrentIndex(self.ui.autoLogin.count())
# clear form
self.resetWidgets()
ctx.logger.debug("slotCreateUser :: user (%s) '%s (%s)' added/updated" % (user.uid, user.realname, user.username))
ctx.logger.debug("slotCreateUser :: user groups are %s" % str(','.join(user.groups)))
# give focus to realname widget for a new user. #3280
#self.ui.realname.setFocus()
self.checkUsers()
self.user_name_changed = False
self.refill()
return True
def slotDeleteUser(self):
if self.ui.userList.currentRow() == self.edititemindex:
self.resetWidgets()
self.ui.autoLogin.setCurrentIndex(0)
_cur = self.ui.userList.currentRow()
item = self.ui.userList.item(_cur).getUser()
if item.uid in self.used_ids:
self.used_ids.remove(item.uid)
self.ui.userList.takeItem(_cur)
self.ui.autoLogin.removeItem(_cur + 1)
self.ui.createButton.setText(_("General", "Add"))
icon = QIcon()
icon.addPixmap(QPixmap(":/gui/pics/user-group-new.png"), QIcon.Normal, QIcon.Off)
self.ui.createButton.setIcon(icon)
self.ui.cancelButton.hide()
self.checkUsers()
def slotEditUser(self, item=None):
if not item:
item = self.ui.userList.currentItem()
self.ui.userList.setCurrentItem(item)
user = item.getUser()
if user.uid > -1:
self.ui.userIDCheck.setChecked(True)
self.ui.userID.setValue(user.uid)
self.ui.username.setText(user.username)
self.ui.realname.setText(user.realname)
self.ui.pass1.setText(user.passwd)
self.ui.pass2.setText(user.passwd)
if "wheel" in user.groups:
self.ui.admin.setChecked(True)
else:
self.ui.admin.setChecked(False)
self.ui.noPass.setChecked(user.no_password)
self.edititemindex = self.ui.userList.currentRow()
self.ui.createButton.setText(_("General", "Update"))
icon = QIcon()
icon.addPixmap(QPixmap(":/gui/pics/tick.png"), QIcon.Normal, QIcon.Off)
self.ui.createButton.setIcon(icon)
self.ui.cancelButton.setVisible(self.ui.createButton.isVisible())
def checkUserFields(self):
username = unicode(self.ui.username.text())
realname = unicode(self.ui.realname.text())
password = unicode(self.ui.pass1.text())
password_confirm = unicode(self.ui.pass2.text())
if username and realname and password and password_confirm and \
(password == password_confirm) and \
(password.lower() != username.lower() and password.lower() != realname.lower()):
return True
else:
return False
def checkUsers(self):
if self.ui.userList.count() > 0:
self.ui.userList.setCurrentRow(0)
self.ui.deleteButton.setEnabled(True)
self.ui.editButton.setEnabled(True)
self.ui.autoLogin.setEnabled(True)
ctx.mainScreen.enableNext()
ctx.mainScreen.enableBack()
return True
else:
if self.checkUserFields():
ctx.mainScreen.enableNext()
else:
ctx.mainScreen.disableNext()
# there is no user in list so noting to delete
self.ui.deleteButton.setEnabled(False)
self.ui.editButton.setEnabled(False)
self.ui.autoLogin.setEnabled(False)
return False
def resetWidgets(self):
# clear all
self.edititemindex = None
self.ui.username.clear()
self.ui.realname.clear()
self.ui.pass1.clear()
self.ui.pass2.clear()
self.ui.admin.setChecked(False)
self.ui.noPass.setChecked(False)
self.ui.userIDCheck.setChecked(False)
self.ui.createButton.setEnabled(False)
if self.ui.cancelButton.isVisible():
self.ui.cancelButton.setHidden(self.sender() == self.ui.cancelButton)
self.checkUsers()
self.ui.createButton.setText(_("General", "Add"))
icon = QIcon()
icon.addPixmap(QPixmap(":/gui/pics/user-group-new.png"), QIcon.Normal, QIcon.Off)
self.ui.createButton.setIcon(icon)
def slotReturnPressed(self):
if self.ui.createButton.isEnabled() and self.ui.addMoreUsers.isChecked():
self.slotCreateUser()
class QPageWidget(QScrollArea):
""" The QPageWidget provides a stack widget with animated page transitions. """
#Emits
currentChanged = pyqtSignal()
def __init__(self, parent=None, direction="ltr", rtf=False):
""" Creates a new QPageWidget on given parent object.
parent: QWidget parent
direction: "ltr" -> Left To Right
"ttb" -> Top To Bottom
rtf: Return to first, if its True it flips to the first page
when next page requested at the last page
"""
# First initialize, QPageWidget is based on QScrollArea
QScrollArea.__init__(self, parent)
# Properties for QScrollArea
self.setFrameShape(QFrame.NoFrame)
self.setVerticalScrollBarPolicy(Qt.ScrollBarAlwaysOff)
self.setHorizontalScrollBarPolicy(Qt.ScrollBarAlwaysOff)
self.setWidgetResizable(True)
# Main widget, which stores all Pages in it
self.widget = QWidget(self)
# Layout based on QBoxLayout which supports Vertical or Horizontal layout
if direction == "ltr":
self.layout = QBoxLayout(QBoxLayout.LeftToRight, self.widget)
self.__scrollBar = self.horizontalScrollBar()
self.__base_value = self.width
else:
self.layout = QBoxLayout(QBoxLayout.TopToBottom, self.widget)
self.__scrollBar = self.verticalScrollBar()
self.__base_value = self.height
self.layout.setSpacing(0)
#qboxlayout setmargin özelliği yok
#self.layout.setMargin(0)
# Return to first
self.__return_to_first = rtf
# TMP_PAGE, its using as last page in stack
# A workaround for a QScrollArea bug
self.__tmp_page = Page(QWidget(self.widget))
self.__pages = [self.__tmp_page]
self.__current = 0
self.__last = 0
# Set main widget
self.setWidget(self.widget)
# Animation TimeLine
self.__timeline = QTimeLine()
self.__timeline.setUpdateInterval(2)
# Updates scrollbar position when frame changed
self.__timeline.frameChanged.connect(
lambda x: self.__scrollBar.setValue(x))
# End of the animation
self.__timeline.finished.connect(self._animateFinished)
# Initialize animation
self.setAnimation()
self.setDuration()
def _animateFinished(self):
""" Its called by TimeLine when animation finished.
It first runs the outMethod of last Page and then the inMethod of current Page
Finally tt gives the focus to the current page and fixes the scrollBar
"""
# Disable other widgets
for page in self.__pages:
if not page == self.__pages[self.__current]:
page.widget.setEnabled(False)
# Run last page's outMethod if exists
if self.__pages[self.__last].outMethod:
self.__pages[self.__last].outMethod()
# Run new page's inMethod if exists
if self.__pages[self.__current].inMethod:
self.__pages[self.__current].inMethod()
# Give focus to the current Page
self.__pages[self.__current].widget.setFocus()
# Update scrollbar position for current page
self.__scrollBar.setValue(self.__current * self.__base_value())
# Emit currentChanged SIGNAL
self.currentChanged.emit()
def event(self, event):
""" Overrides the main event handler to catch resize events """
# Catch Resize event
if event.type() == QEvent.Resize:
# Update each page size limits to mainwidget's new size
for page in self.__pages:
page.widget.setMinimumSize(self.size())
page.widget.setMaximumSize(self.size())
# Update viewport size limits to mainwidget's new size
# It's a workaround for QScrollArea updateGeometry bug
self.viewport().setMinimumSize(self.size())
self.viewport().setMaximumSize(self.size())
# Update scrollbar position for current page
self.__scrollBar.setValue(self.__current * self.__base_value())
# Return the Event
return QScrollArea.event(self, event)
def keyPressEvent(self, event):
""" Overrides the keyPressEvent to ignore them """
pass
def wheelEvent(self, event):
""" Overrides the wheelEvent to ignore them """
pass
def createPage(self, widget, inMethod=None, outMethod=None):
""" Creates and adds new Page for given widget with given in/out methods.
widget: A QWidget which is the mainwidget for this Page
inMethod: (optional) QPageWidget triggers this method when the Page appear
outMethod: (optional) QPageWidget triggers this method when the Page disappear
"""
self.addPage(Page(widget, inMethod, outMethod))
def addPage(self, page):
""" Adds the given Page to the stack.
page: A Page object
"""
# First remove the last page; its __tmp_page
self.__pages.pop()
# Add new page
self.__pages.append(page)
self.layout.addWidget(page.widget)
# Add __tmp_page to end
self.__pages.append(self.__tmp_page)
self.layout.addWidget(self.__tmp_page.widget)
# Create connections for page navigation signals from new page
try:
page.widget.pageNext.connect(self.next)
page.widget.pagePrevious.connect(self.prev)
page.widget.setCurrent[int].connect(self.setCurrent)
except:
pass
def __setCurrent(self, pageNumber):
""" Internal method to set current page index. """
self.__last = self.__current
self.__current = min(max(0, pageNumber), len(self.__pages) - 2)
if pageNumber == len(self.__pages) - 1 and self.__return_to_first:
self.__current = 0
def setCurrent(self, pageNumber=0):
""" Set and flip the page with given pageNumber.
pageNumber: index number of Page (default is 0)
"""
self.__setCurrent(pageNumber)
self.flipPage()
def getCurrent(self):
""" Returns current page index. """
return self.__current
def getCurrentWidget(self):
""" Returns current page widget. """
return self.getWidget(self.getCurrent())
def getWidget(self, pageNumber):
""" Returns widget for given page index
pageNumber: index number of Page
"""
try:
return self.__pages[pageNumber].widget
except:
return None
def count(self):
""" Returns number of pages. """
return len(self.__pages) - 1
def setAnimation(self, animation=35):
""" Set the transition animation with the given animation.
animation: the number represents predefined QEasingCurves
List of predefined QEasingCurves can be found from:
http://doc.qt.nokia.com/4/qeasingcurve.html#Type-enum
Default is QEasingCurve::InOutBack (35)
"""
self.__animation = animation
self.__timeline.setEasingCurve(QEasingCurve(self.__animation))
def setDuration(self, duration=400):
""" Set the transition duration.
duration: duration time in ms
"""
self.__duration = duration
self.__timeline.setDuration(self.__duration)
def flipPage(self, direction=0):
""" Flip the page with given direction.
direction: can be -1, 0 or +1
-1: previous page (if exists)
0: just flip to current page
+1: next page (if exists)
"""
# Enable all widgets
for page in self.__pages:
page.widget.setEnabled(True)
# Check given direction
direction = direction if direction == 0 else max(min(1, direction), -1)
# If direction is equal to zero no need to re-set current
if not direction == 0:
self.__setCurrent(self.__current + direction)
# If last page is different from new page, flip it !
if not self.__last == self.__current:
self.__timeline.setFrameRange(self.__scrollBar.value(),
self.__current * self.__base_value())
self.__timeline.start()
def next(self):
""" Helper method to flip next page. """
self.flipPage(1)
def prev(self):
""" Helper method to flip previous page. """
self.flipPage(-1)
class ExplorerNode(BaseNode):
def __init__(self, nx_node, center_pos, nx_pos, steps, steps_max, small):
"""
Create node in the graph scene
:param tuple nx_node: Node info
:param center_pos: The position of the center node
:param nx_pos: Position of the nodes in the graph
:param int steps: The steps from the center identity
:param int steps_max: The steps max of the graph
:param bool small: Small dots for big networks
"""
super().__init__(nx_node, nx_pos)
self.steps = steps
self.steps_max = steps_max
self.highlighted = False
self.status_sentry = False
if small:
self.setRect(0, 0, 10, 10)
self.text_item = None
else:
# text inside ellipse
self.text_item = QGraphicsSimpleTextItem(self)
self.text_item.setText(self.text)
# center ellipse around text
self.setRect(0, 0,
self.text_item.boundingRect().width() * 2,
self.text_item.boundingRect().height() * 2)
# center text in ellipse
self.text_item.setPos(self.boundingRect().width() / 4.0,
self.boundingRect().height() / 4.0)
# set anchor to the center
self.setTransform(QTransform().translate(
-self.boundingRect().width() / 2.0,
-self.boundingRect().height() / 2.0))
# cursor change on hover
self.setAcceptHoverEvents(True)
self.setZValue(1)
# animation and moves
self.timeline = None
self.loading_timer = QTimer()
self.loading_timer.timeout.connect(self.next_tick)
self.loading_counter = 0
self._refresh_colors()
self.setPos(center_pos)
self.move_to(nx_pos)
def update_metadata(self, metadata):
super().update_metadata(metadata)
self.status_sentry = self.metadata[
'is_sentry'] if 'is_sentry' in self.metadata else False
self._refresh_colors()
def _refresh_colors(self):
"""
Refresh elements in the node
"""
# color around ellipse
outline_color = QColor('grey')
outline_style = Qt.SolidLine
outline_width = 1
if self.status_wallet:
outline_width = 2
if not self.status_member:
outline_color = QColor('red')
if self.status_sentry:
outline_color = QColor('black')
outline_width = 3
self.setPen(QPen(outline_color, outline_width, outline_style))
if self.highlighted:
text_color = QColor('grey')
else:
text_color = QColor('black')
if self.status_wallet == NodeStatus.HIGHLIGHTED:
text_color = QColor('grey')
if self.text_item:
self.text_item.setBrush(QBrush(text_color))
# create gradient inside the ellipse
gradient = QRadialGradient(
QPointF(0,
self.boundingRect().height() / 4),
self.boundingRect().width())
color = QColor()
color.setHsv(120 - 60 / self.steps_max * self.steps,
180 + 50 / self.steps_max * self.steps,
60 + 170 / self.steps_max * self.steps)
if self.highlighted:
color = color.darker(200)
color = color.lighter(
math.fabs(math.sin(self.loading_counter / 100 * math.pi) * 100) +
100)
gradient.setColorAt(0, color)
gradient.setColorAt(1, color.darker(150))
self.setBrush(QBrush(gradient))
def move_to(self, nx_pos):
"""
Move to corresponding position
:param nx_pos:
:return:
"""
origin_x = self.x()
origin_y = self.y()
final_x = nx_pos[self.id][0]
final_y = nx_pos[self.id][1]
def frame_move(frame):
value = self.timeline.valueForTime(self.timeline.currentTime())
x = origin_x + (final_x - origin_x) * value
y = origin_y + (final_y - origin_y) * value
self.setPos(x, y)
if self.scene():
self.scene().node_moved.emit(self.id, x, y)
def timeline_ends():
self.setPos(final_x, final_y)
self.timeline = None
# Remember to hold the references to QTimeLine and QGraphicsItemAnimation instances.
# They are not kept anywhere, even if you invoke QTimeLine.start().
self.timeline = QTimeLine(1000)
self.timeline.setFrameRange(0, 100)
self.timeline.frameChanged.connect(frame_move)
self.timeline.finished.connect(timeline_ends)
self.timeline.start()
def highlight(self):
"""
Highlight the edge in the scene
"""
self.highlighted = True
self._refresh_colors()
self.update(self.boundingRect())
def neutralize(self):
"""
Neutralize the edge in the scene
"""
self.highlighted = False
self._refresh_colors()
self.update(self.boundingRect())
def start_loading_animation(self):
"""
Neutralize the edge in the scene
"""
if not self.loading_timer.isActive():
self.loading_timer.start(10)
def stop_loading_animation(self):
"""
Neutralize the edge in the scene
"""
self.loading_timer.stop()
self.loading_counter = 100
self._refresh_colors()
self.update(self.boundingRect())
def next_tick(self):
"""
Next tick
:return:
"""
self.loading_counter += 1
self.loading_counter %= 100
self._refresh_colors()
self.update(self.boundingRect())
class QPageWidget(QScrollArea):
""" The QPageWidget provides a stack widget with animated page transitions. """
#Emits
currentChanged = pyqtSignal()
def __init__(self, parent = None, direction = "ltr", rtf = False):
""" Creates a new QPageWidget on given parent object.
parent: QWidget parent
direction: "ltr" -> Left To Right
"ttb" -> Top To Bottom
rtf: Return to first, if its True it flips to the first page
when next page requested at the last page
"""
# First initialize, QPageWidget is based on QScrollArea
QScrollArea.__init__(self, parent)
# Properties for QScrollArea
self.setFrameShape(QFrame.NoFrame)
self.setVerticalScrollBarPolicy(Qt.ScrollBarAlwaysOff)
self.setHorizontalScrollBarPolicy(Qt.ScrollBarAlwaysOff)
self.setWidgetResizable(True)
# Main widget, which stores all Pages in it
self.widget = QWidget(self)
# Layout based on QBoxLayout which supports Vertical or Horizontal layout
if direction == "ltr":
self.layout = QBoxLayout(QBoxLayout.LeftToRight, self.widget)
self.__scrollBar = self.horizontalScrollBar()
self.__base_value = self.width
else:
self.layout = QBoxLayout(QBoxLayout.TopToBottom, self.widget)
self.__scrollBar = self.verticalScrollBar()
self.__base_value = self.height
self.layout.setSpacing(0)
#qboxlayout setmargin özelliği yok
#self.layout.setMargin(0)
# Return to first
self.__return_to_first = rtf
# TMP_PAGE, its using as last page in stack
# A workaround for a QScrollArea bug
self.__tmp_page = Page(QWidget(self.widget))
self.__pages = [self.__tmp_page]
self.__current = 0
self.__last = 0
# Set main widget
self.setWidget(self.widget)
# Animation TimeLine
self.__timeline = QTimeLine()
self.__timeline.setUpdateInterval(2)
# Updates scrollbar position when frame changed
self.__timeline.frameChanged.connect(lambda x: self.__scrollBar.setValue(x))
# End of the animation
self.__timeline.finished.connect(self._animateFinished)
# Initialize animation
self.setAnimation()
self.setDuration()
def _animateFinished(self):
""" Its called by TimeLine when animation finished.
It first runs the outMethod of last Page and then the inMethod of current Page
Finally tt gives the focus to the current page and fixes the scrollBar
"""
# Disable other widgets
for page in self.__pages:
if not page == self.__pages[self.__current]:
page.widget.setEnabled(False)
# Run last page's outMethod if exists
if self.__pages[self.__last].outMethod:
self.__pages[self.__last].outMethod()
# Run new page's inMethod if exists
if self.__pages[self.__current].inMethod:
self.__pages[self.__current].inMethod()
# Give focus to the current Page
self.__pages[self.__current].widget.setFocus()
# Update scrollbar position for current page
self.__scrollBar.setValue(self.__current * self.__base_value())
# Emit currentChanged SIGNAL
self.currentChanged.emit()
def event(self, event):
""" Overrides the main event handler to catch resize events """
# Catch Resize event
if event.type() == QEvent.Resize:
# Update each page size limits to mainwidget's new size
for page in self.__pages:
page.widget.setMinimumSize(self.size())
page.widget.setMaximumSize(self.size())
# Update viewport size limits to mainwidget's new size
# It's a workaround for QScrollArea updateGeometry bug
self.viewport().setMinimumSize(self.size())
self.viewport().setMaximumSize(self.size())
# Update scrollbar position for current page
self.__scrollBar.setValue(self.__current * self.__base_value())
# Return the Event
return QScrollArea.event(self, event)
def keyPressEvent(self, event):
""" Overrides the keyPressEvent to ignore them """
pass
def wheelEvent(self, event):
""" Overrides the wheelEvent to ignore them """
pass
def createPage(self, widget, inMethod = None, outMethod = None):
""" Creates and adds new Page for given widget with given in/out methods.
widget: A QWidget which is the mainwidget for this Page
inMethod: (optional) QPageWidget triggers this method when the Page appear
outMethod: (optional) QPageWidget triggers this method when the Page disappear
"""
self.addPage(Page(widget, inMethod, outMethod))
def addPage(self, page):
""" Adds the given Page to the stack.
page: A Page object
"""
# First remove the last page; its __tmp_page
self.__pages.pop()
# Add new page
self.__pages.append(page)
self.layout.addWidget(page.widget)
# Add __tmp_page to end
self.__pages.append(self.__tmp_page)
self.layout.addWidget(self.__tmp_page.widget)
# Create connections for page navigation signals from new page
try:
page.widget.pageNext.connect(self.next)
page.widget.pagePrevious.connect(self.prev)
page.widget.setCurrent[int].connect(self.setCurrent)
except:
pass
def __setCurrent(self, pageNumber):
""" Internal method to set current page index. """
self.__last = self.__current
self.__current = min(max(0, pageNumber), len(self.__pages) - 2)
if pageNumber == len(self.__pages) - 1 and self.__return_to_first:
self.__current = 0
def setCurrent(self, pageNumber = 0):
""" Set and flip the page with given pageNumber.
pageNumber: index number of Page (default is 0)
"""
self.__setCurrent(pageNumber)
self.flipPage()
def getCurrent(self):
""" Returns current page index. """
return self.__current
def getCurrentWidget(self):
""" Returns current page widget. """
return self.getWidget(self.getCurrent())
def getWidget(self, pageNumber):
""" Returns widget for given page index
pageNumber: index number of Page
"""
try:
return self.__pages[pageNumber].widget
except:
return None
def count(self):
""" Returns number of pages. """
return len(self.__pages) - 1
def setAnimation(self, animation = 35):
""" Set the transition animation with the given animation.
animation: the number represents predefined QEasingCurves
List of predefined QEasingCurves can be found from:
http://doc.qt.nokia.com/4/qeasingcurve.html#Type-enum
Default is QEasingCurve::InOutBack (35)
"""
self.__animation = animation
self.__timeline.setEasingCurve(QEasingCurve(self.__animation))
def setDuration(self, duration = 400):
""" Set the transition duration.
duration: duration time in ms
"""
self.__duration = duration
self.__timeline.setDuration(self.__duration)
def flipPage(self, direction=0):
""" Flip the page with given direction.
direction: can be -1, 0 or +1
-1: previous page (if exists)
0: just flip to current page
+1: next page (if exists)
"""
# Enable all widgets
for page in self.__pages:
page.widget.setEnabled(True)
# Check given direction
direction = direction if direction == 0 else max(min(1, direction), -1)
# If direction is equal to zero no need to re-set current
if not direction == 0:
self.__setCurrent(self.__current + direction)
# If last page is different from new page, flip it !
if not self.__last == self.__current:
self.__timeline.setFrameRange(self.__scrollBar.value(), self.__current * self.__base_value())
self.__timeline.start()
def next(self):
""" Helper method to flip next page. """
self.flipPage(1)
def prev(self):
""" Helper method to flip previous page. """
self.flipPage(-1)
class ExplorerNode(BaseNode):
def __init__(self, nx_node, center_pos, nx_pos, steps, steps_max):
"""
Create node in the graph scene
:param tuple nx_node: Node info
:param center_pos: The position of the center node
:param nx_pos: Position of the nodes in the graph
:param int steps: The steps from the center identity
:param int steps_max: The steps max of the graph
"""
super().__init__(nx_node, nx_pos)
self.steps = steps
self.steps_max = steps_max
self.highlighted = False
# text inside ellipse
self.text_item = QGraphicsSimpleTextItem(self)
self.text_item.setText(self.text)
# center ellipse around text
self.setRect(
0,
0,
self.text_item.boundingRect().width() * 2,
self.text_item.boundingRect().height() * 2
)
# set anchor to the center
self.setTransform(
QTransform().translate(-self.boundingRect().width() / 2.0, -self.boundingRect().height() / 2.0))
# center text in ellipse
self.text_item.setPos(self.boundingRect().width() / 4.0, self.boundingRect().height() / 4.0)
# cursor change on hover
self.setAcceptHoverEvents(True)
self.setZValue(1)
# animation and moves
self.timeline = None
self.loading_timer = QTimer()
self.loading_timer.timeout.connect(self.next_tick)
self.loading_counter = 0
self._refresh_colors()
self.setPos(center_pos)
self.move_to(nx_pos)
def _refresh_colors(self):
"""
Refresh elements in the node
"""
# color around ellipse
outline_color = QColor('black')
outline_style = Qt.SolidLine
outline_width = 1
if self.status_wallet:
outline_color = QColor('grey')
outline_width = 2
if not self.status_member:
outline_color = QColor('red')
outline_style = Qt.SolidLine
self.setPen(QPen(outline_color, outline_width, outline_style))
if self.highlighted:
text_color = QColor('grey')
else:
text_color = QColor('black')
if self.status_wallet == NodeStatus.HIGHLIGHTED:
text_color = QColor('grey')
self.text_item.setBrush(QBrush(text_color))
# create gradient inside the ellipse
gradient = QRadialGradient(QPointF(0, self.boundingRect().height() / 4), self.boundingRect().width())
color = QColor()
color.setHsv(120 - 60 / self.steps_max * self.steps,
180 + 50 / self.steps_max * self.steps,
60 + 170 / self.steps_max * self.steps)
if self.highlighted:
color = color.darker(200)
color = color.lighter(math.fabs(math.sin(self.loading_counter / 100 * math.pi) * 100) + 100)
gradient.setColorAt(0, color)
gradient.setColorAt(1, color.darker(150))
self.setBrush(QBrush(gradient))
def move_to(self, nx_pos):
"""
Move to corresponding position
:param nx_pos:
:return:
"""
origin_x = self.x()
origin_y = self.y()
final_x = nx_pos[self.id][0]
final_y = nx_pos[self.id][1]
def frame_move(frame):
value = self.timeline.valueForTime(self.timeline.currentTime())
x = origin_x + (final_x - origin_x) * value
y = origin_y + (final_y - origin_y) * value
self.setPos(x, y)
self.scene().node_moved.emit(self.id, x, y)
def timeline_ends():
self.setPos(final_x, final_y)
self.timeline = None
# Remember to hold the references to QTimeLine and QGraphicsItemAnimation instances.
# They are not kept anywhere, even if you invoke QTimeLine.start().
self.timeline = QTimeLine(1000)
self.timeline.setFrameRange(0, 100)
self.timeline.frameChanged.connect(frame_move)
self.timeline.finished.connect(timeline_ends)
self.timeline.start()
def highlight(self):
"""
Highlight the edge in the scene
"""
self.highlighted = True
self._refresh_colors()
self.update(self.boundingRect())
def neutralize(self):
"""
Neutralize the edge in the scene
"""
self.highlighted = False
self._refresh_colors()
self.update(self.boundingRect())
def start_loading_animation(self):
"""
Neutralize the edge in the scene
"""
if not self.loading_timer.isActive():
self.loading_timer.start(10)
def stop_loading_animation(self):
"""
Neutralize the edge in the scene
"""
self.loading_timer.stop()
self.loading_counter = 100
self._refresh_colors()
self.update(self.boundingRect())
def next_tick(self):
"""
Next tick
:return:
"""
self.loading_counter += 1
self.loading_counter %= 100
self._refresh_colors()
self.update(self.boundingRect())