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from PyQt4 import QtCore, QtGui
from colors import Colors
from demoitem import DemoItem
from demoitemanimation import DemoItemAnimation
from demotextitem import DemoTextItem
from scanitem import ScanItem
class ButtonBackground(DemoItem):
def __init__(self, type, highlighted, pressed, logicalSize, scene, parent):
super(ButtonBackground, self).__init__(scene, parent)
self.type = type
self.highlighted = highlighted
self.pressed = pressed
self.logicalSize = logicalSize
self.useSharedImage('%s%d%d%d' % (__file__, type, highlighted, pressed))
def createImage(self, matrix):
if self.type in (TextButton.SIDEBAR, TextButton.PANEL):
return self.createRoundButtonBackground(matrix)
else:
return self.createArrowBackground(matrix)
def createRoundButtonBackground(self, matrix):
scaledRect = matrix.mapRect(QtCore.QRect(0, 0,
self.logicalSize.width(), self.logicalSize.height()))
image = QtGui.QImage(scaledRect.width(), scaledRect.height(),
QtGui.QImage.Format_ARGB32_Premultiplied)
image.fill(QtGui.QColor(0, 0, 0, 0).rgba())
painter = QtGui.QPainter(image)
painter.setRenderHint(QtGui.QPainter.SmoothPixmapTransform)
painter.setRenderHint(QtGui.QPainter.Antialiasing)
painter.setPen(QtCore.Qt.NoPen)
if Colors.useEightBitPalette:
painter.setPen(QtGui.QColor(120, 120, 120))
if self.pressed:
painter.setBrush(QtGui.QColor(60, 60, 60))
elif self.highlighted:
painter.setBrush(QtGui.QColor(100, 100, 100))
else:
painter.setBrush(QtGui.QColor(80, 80, 80))
else:
outlinebrush = QtGui.QLinearGradient(0, 0, 0, scaledRect.height())
brush = QtGui.QLinearGradient(0, 0, 0, scaledRect.height())
brush.setSpread(QtGui.QLinearGradient.PadSpread)
highlight = QtGui.QColor(255, 255, 255, 70)
shadow = QtGui.QColor(0, 0, 0, 70)
sunken = QtGui.QColor(220, 220, 220, 30)
if self.type == TextButton.PANEL:
normal1 = QtGui.QColor(200, 170, 160, 50)
normal2 = QtGui.QColor(50, 10, 0, 50)
else:
normal1 = QtGui.QColor(255, 255, 245, 60)
normal2 = QtGui.QColor(255, 255, 235, 10)
if self.pressed:
outlinebrush.setColorAt(0, shadow)
outlinebrush.setColorAt(1, highlight)
brush.setColorAt(0, sunken)
painter.setPen(QtCore.Qt.NoPen)
else:
outlinebrush.setColorAt(1, shadow)
outlinebrush.setColorAt(0, highlight)
brush.setColorAt(0, normal1)
if not self.highlighted:
brush.setColorAt(1, normal2)
painter.setPen(QtGui.QPen(outlinebrush, 1))
painter.setBrush(brush)
if self.type == TextButton.PANEL:
painter.drawRect(0, 0, scaledRect.width(), scaledRect.height())
else:
painter.drawRoundedRect(0, 0, scaledRect.width(),
scaledRect.height(), 10, 90, QtCore.Qt.RelativeSize)
return image
def createArrowBackground(self, matrix):
scaledRect = matrix.mapRect(QtCore.QRect(0, 0,
self.logicalSize.width(), self.logicalSize.height()))
image = QtGui.QImage(scaledRect.width(), scaledRect.height(),
QtGui.QImage.Format_ARGB32_Premultiplied)
image.fill(QtGui.QColor(0, 0, 0, 0).rgba())
painter = QtGui.QPainter(image)
painter.setRenderHint(QtGui.QPainter.SmoothPixmapTransform)
painter.setRenderHint(QtGui.QPainter.Antialiasing)
painter.setPen(QtCore.Qt.NoPen)
if Colors.useEightBitPalette:
painter.setPen(QtGui.QColor(120, 120, 120))
if self.pressed:
painter.setBrush(QtGui.QColor(60, 60, 60))
elif self.highlighted:
painter.setBrush(QtGui.QColor(100, 100, 100))
else:
painter.setBrush(QtGui.QColor(80, 80, 80))
else:
outlinebrush = QtGui.QLinearGradient(0, 0, 0, scaledRect.height())
brush = QtGui.QLinearGradient(0, 0, 0, scaledRect.height())
brush.setSpread(QtGui.QLinearGradient.PadSpread)
highlight = QtGui.QColor(255, 255, 255, 70)
shadow = QtGui.QColor(0, 0, 0, 70)
sunken = QtGui.QColor(220, 220, 220, 30)
normal1 = QtGui.QColor(200, 170, 160, 50)
normal2 = QtGui.QColor(50, 10, 0, 50)
if self.pressed:
outlinebrush.setColorAt(0, shadow)
outlinebrush.setColorAt(1, highlight)
brush.setColorAt(0, sunken)
painter.setPen(QtCore.Qt.NoPen)
else:
outlinebrush.setColorAt(1, shadow)
outlinebrush.setColorAt(0, highlight)
brush.setColorAt(0, normal1)
if not self.highlighted:
brush.setColorAt(1, normal2)
painter.setPen(QtGui.QPen(outlinebrush, 1))
painter.setBrush(brush);
painter.drawRect(0, 0, scaledRect.width(), scaledRect.height())
xOff = scaledRect.width() / 2
yOff = scaledRect.height() / 2
sizex = 3.0 * matrix.m11()
sizey = 1.5 * matrix.m22()
if self.type == TextButton.UP:
sizey *= -1
path = QtGui.QPainterPath()
path.moveTo(xOff, yOff + (5 * sizey))
path.lineTo(xOff - (4 * sizex), yOff - (3 * sizey))
path.lineTo(xOff + (4 * sizex), yOff - (3 * sizey))
path.lineTo(xOff, yOff + (5 * sizey))
painter.drawPath(path)
return image
class TextButton(DemoItem):
BUTTON_WIDTH = 180
BUTTON_HEIGHT = 19
LEFT, RIGHT = range(2)
SIDEBAR, PANEL, UP, DOWN = range(4)
ON, OFF, HIGHLIGHT, DISABLED = range(4)
def __init__(self, text, align=LEFT, userCode=0, scene=None, parent=None, type=SIDEBAR):
super(TextButton, self).__init__(scene, parent)
# Prevent a circular import.
from menumanager import MenuManager
self._menu_manager = MenuManager.instance()
self.menuString = text
self.buttonLabel = text
self.alignment = align
self.buttonType = type
self.userCode = userCode
self.scanAnim = None
self.bgOn = None
self.bgOff = None
self.bgHighlight = None
self.bgDisabled = None
self.state = TextButton.OFF
self.setAcceptsHoverEvents(True)
self.setCursor(QtCore.Qt.PointingHandCursor)
# Calculate the button size.
if type in (TextButton.SIDEBAR, TextButton.PANEL):
self.logicalSize = QtCore.QSize(TextButton.BUTTON_WIDTH, TextButton.BUTTON_HEIGHT)
else:
self.logicalSize = QtCore.QSize(int((TextButton.BUTTON_WIDTH / 2.0) - 5), int(TextButton.BUTTON_HEIGHT * 1.5))
def setMenuString(self, menu):
self.menuString = menu
def prepare(self):
if not self.prepared:
self.prepared = True
self.setupHoverText()
self.setupScanItem()
self.setupButtonBg()
def boundingRect(self):
return QtCore.QRectF(0, 0, self.logicalSize.width(),
self.logicalSize.height())
def setupHoverText(self):
if not self.buttonLabel:
return
textItem = DemoTextItem(self.buttonLabel, Colors.buttonFont(),
Colors.buttonText, -1, self.scene(), self)
textItem.setZValue(self.zValue() + 2)
textItem.setPos(16, 0)
def setupScanItem(self):
if Colors.useButtonBalls:
scanItem = ScanItem(None, self)
scanItem.setZValue(self.zValue() + 1)
self.scanAnim = DemoItemAnimation(scanItem)
self.scanAnim.timeline.setLoopCount(1)
x = 1.0
y = 1.5
stop = TextButton.BUTTON_WIDTH - scanItem.boundingRect().width() - x
if self.alignment == TextButton.LEFT:
self.scanAnim.setDuration(2500)
self.scanAnim.setPosAt(0.0, QtCore.QPointF(x, y))
self.scanAnim.setPosAt(0.5, QtCore.QPointF(x, y))
self.scanAnim.setPosAt(0.7, QtCore.QPointF(stop, y))
self.scanAnim.setPosAt(1.0, QtCore.QPointF(x, y))
scanItem.setPos(QtCore.QPointF(x, y))
else:
self.scanAnim.setPosAt(0.0, QtCore.QPointF(stop, y))
self.scanAnim.setPosAt(0.5, QtCore.QPointF(x, y))
self.scanAnim.setPosAt(1.0, QtCore.QPointF(stop, y))
scanItem.setPos(QtCore.QPointF(stop, y))
def setState(self, state):
self.state = state
self.bgOn.setRecursiveVisible(state == TextButton.ON)
self.bgOff.setRecursiveVisible(state == TextButton.OFF)
self.bgHighlight.setRecursiveVisible(state == TextButton.HIGHLIGHT)
self.bgDisabled.setRecursiveVisible(state == TextButton.DISABLED)
if state == TextButton.DISABLED:
self.setCursor(QtCore.Qt.ArrowCursor)
else:
self.setCursor(QtCore.Qt.PointingHandCursor)
def setupButtonBg(self):
self.bgOn = ButtonBackground(self.buttonType, True, True,
self.logicalSize, self.scene(), self)
self.bgOff = ButtonBackground(self.buttonType, False, False,
self.logicalSize, self.scene(), self)
self.bgHighlight = ButtonBackground(self.buttonType, True, False,
self.logicalSize, self.scene(), self)
self.bgDisabled = ButtonBackground(self.buttonType, True, True,
self.logicalSize, self.scene(), self)
self.setState(TextButton.OFF)
def hoverEnterEvent(self, event):
if self.locked or self.state == TextButton.DISABLED:
return
if self.state == TextButton.OFF:
self.setState(TextButton.HIGHLIGHT)
if Colors.noAnimations and Colors.useButtonBalls:
# Wait a bit in the beginning to enhance the effect. We have
# to do this here so that the adaption can be dynamic.
self.scanAnim.setDuration(1000)
self.scanAnim.setPosAt(0.2, self.scanAnim.posAt(0))
if (self._menu_manager.window.fpsMedian > 10 or Colors.noAdapt or
Colors.noTimerUpdate):
if Colors.useButtonBalls:
self.scanAnim.play(True, True)
def hoverLeaveEvent(self, event):
if self.state == TextButton.DISABLED:
return
self.setState(TextButton.OFF)
if Colors.noAnimations and Colors.useButtonBalls:
self.scanAnim.stop()
def mousePressEvent(self, event):
if self.state == TextButton.DISABLED:
return
if self.state == TextButton.HIGHLIGHT or self.state == TextButton.OFF:
self.setState(TextButton.ON)
def mouseReleaseEvent(self, event):
if self.state == TextButton.ON:
self.setState(TextButton.OFF)
if not self.locked and self.boundingRect().contains(event.pos()):
self._menu_manager.itemSelected(self.userCode, self.menuString)
def animationStarted(self, _):
if self.state == TextButton.DISABLED:
return
self.setState(TextButton.OFF)
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