Beispiel #1
0
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 SideSlideDecorator(QWidget):
    m_slidePos: QPoint
    m_slideWidgetPixmap: QPixmap
    m_timeline: QTimeLine
    m_backgroundPixmap: QPixmap
    m_decorationColor: QColor

    clicked = pyqtSignal()

    def __init__(self, *args, **kwargs):
        super(SideSlideDecorator, self).__init__(*args, **kwargs)

        self.resize(self.maximumSize())

        self.m_backgroundPixmap = QPixmap()

        self.m_slidePos = QPoint()
        self.m_timeline = QTimeLine()
        self.m_timeline.setDuration(260)
        self.m_timeline.setUpdateInterval(40)
        self.m_timeline.setEasingCurve(QEasingCurve.OutQuad)
        self.m_timeline.setStartFrame(0)
        self.m_timeline.setEndFrame(10000)

        self.m_decorationColor = QColor(0, 0, 0, 0)

        def frameChanged(_value):
            self.m_decorationColor = QColor(0, 0, 0, _value / 100)
            self.update()

        self.m_timeline.frameChanged.connect(frameChanged)

    def grabSlideWidget(self, _slideWidget):
        self.m_slideWidgetPixmap = _slideWidget.grab()

    def grabParent(self):
        # self.m_backgroundPixmap = self.parentWidget().grab()
        pass

    def decorate(self, _dark):
        if self.m_timeline.state() == QTimeLine.Running:
            self.m_timeline.stop()

        self.m_timeline.setDirection(
            QTimeLine.Forward if _dark else QTimeLine.Backward)
        self.m_timeline.start()

    def slidePos(self):
        return self.m_slidePos

    def setSlidePos(self, _pos):
        if self.m_slidePos != _pos:
            self.m_slidePos = _pos
            self.update()

    def paintEvent(self, _event):
        painter = QPainter(self)
        painter.drawPixmap(0, 0, self.m_backgroundPixmap)
        painter.fillRect(self.rect(), self.m_decorationColor)
        painter.drawPixmap(self.m_slidePos, self.m_slideWidgetPixmap)

        super(SideSlideDecorator, self).paintEvent(_event)

    def mousePressEvent(self, _event):
        self.clicked.emit()

        super(SideSlideDecorator, self).mousePressEvent(_event)

    _slidePos = pyqtProperty(QPoint, fget=slidePos, fset=setSlidePos)
Beispiel #3
0
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)
Beispiel #4
0
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)