+++ /dev/null
-#!/usr/bin/env python
-
-import math
-import logging
-
-import qt_compat
-QtCore = qt_compat.QtCore
-QtGui = qt_compat.import_module("QtGui")
-
-import misc as misc_utils
-
-
-_moduleLogger = logging.getLogger(__name__)
-
-
-_TWOPI = 2 * math.pi
-
-
-def _radius_at(center, pos):
- delta = pos - center
- xDelta = delta.x()
- yDelta = delta.y()
-
- radius = math.sqrt(xDelta ** 2 + yDelta ** 2)
- return radius
-
-
-def _angle_at(center, pos):
- delta = pos - center
- xDelta = delta.x()
- yDelta = delta.y()
-
- radius = math.sqrt(xDelta ** 2 + yDelta ** 2)
- angle = math.acos(xDelta / radius)
- if 0 <= yDelta:
- angle = _TWOPI - angle
-
- return angle
-
-
-class QActionPieItem(object):
-
- def __init__(self, action, weight = 1):
- self._action = action
- self._weight = weight
-
- def action(self):
- return self._action
-
- def setWeight(self, weight):
- self._weight = weight
-
- def weight(self):
- return self._weight
-
- def setEnabled(self, enabled = True):
- self._action.setEnabled(enabled)
-
- def isEnabled(self):
- return self._action.isEnabled()
-
-
-class PieFiling(object):
-
- INNER_RADIUS_DEFAULT = 64
- OUTER_RADIUS_DEFAULT = 192
-
- SELECTION_CENTER = -1
- SELECTION_NONE = -2
-
- NULL_CENTER = QActionPieItem(QtGui.QAction(None))
-
- def __init__(self):
- self._innerRadius = self.INNER_RADIUS_DEFAULT
- self._outerRadius = self.OUTER_RADIUS_DEFAULT
- self._children = []
- self._center = self.NULL_CENTER
-
- self._cacheIndexToAngle = {}
- self._cacheTotalWeight = 0
-
- def insertItem(self, item, index = -1):
- self._children.insert(index, item)
- self._invalidate_cache()
-
- def removeItemAt(self, index):
- item = self._children.pop(index)
- self._invalidate_cache()
-
- def set_center(self, item):
- if item is None:
- item = self.NULL_CENTER
- self._center = item
-
- def center(self):
- return self._center
-
- def clear(self):
- del self._children[:]
- self._center = self.NULL_CENTER
- self._invalidate_cache()
-
- def itemAt(self, index):
- return self._children[index]
-
- def indexAt(self, center, point):
- return self._angle_to_index(_angle_at(center, point))
-
- def innerRadius(self):
- return self._innerRadius
-
- def setInnerRadius(self, radius):
- self._innerRadius = radius
-
- def outerRadius(self):
- return self._outerRadius
-
- def setOuterRadius(self, radius):
- self._outerRadius = radius
-
- def __iter__(self):
- return iter(self._children)
-
- def __len__(self):
- return len(self._children)
-
- def __getitem__(self, index):
- return self._children[index]
-
- def _invalidate_cache(self):
- self._cacheIndexToAngle.clear()
- self._cacheTotalWeight = sum(child.weight() for child in self._children)
- if self._cacheTotalWeight == 0:
- self._cacheTotalWeight = 1
-
- def _index_to_angle(self, index, isShifted):
- key = index, isShifted
- if key in self._cacheIndexToAngle:
- return self._cacheIndexToAngle[key]
- index = index % len(self._children)
-
- baseAngle = _TWOPI / self._cacheTotalWeight
-
- angle = math.pi / 2
- if isShifted:
- if self._children:
- angle -= (self._children[0].weight() * baseAngle) / 2
- else:
- angle -= baseAngle / 2
- while angle < 0:
- angle += _TWOPI
-
- for i, child in enumerate(self._children):
- if index < i:
- break
- angle += child.weight() * baseAngle
- while _TWOPI < angle:
- angle -= _TWOPI
-
- self._cacheIndexToAngle[key] = angle
- return angle
-
- def _angle_to_index(self, angle):
- numChildren = len(self._children)
- if numChildren == 0:
- return self.SELECTION_CENTER
-
- baseAngle = _TWOPI / self._cacheTotalWeight
-
- iterAngle = math.pi / 2 - (self.itemAt(0).weight() * baseAngle) / 2
- while iterAngle < 0:
- iterAngle += _TWOPI
-
- oldIterAngle = iterAngle
- for index, child in enumerate(self._children):
- iterAngle += child.weight() * baseAngle
- if oldIterAngle < angle and angle <= iterAngle:
- return index - 1 if index != 0 else numChildren - 1
- elif oldIterAngle < (angle + _TWOPI) and (angle + _TWOPI <= iterAngle):
- return index - 1 if index != 0 else numChildren - 1
- oldIterAngle = iterAngle
-
-
-class PieArtist(object):
-
- ICON_SIZE_DEFAULT = 48
-
- SHAPE_CIRCLE = "circle"
- SHAPE_SQUARE = "square"
- DEFAULT_SHAPE = SHAPE_SQUARE
-
- BACKGROUND_FILL = "fill"
- BACKGROUND_NOFILL = "no fill"
-
- def __init__(self, filing, background = BACKGROUND_FILL):
- self._filing = filing
-
- self._cachedOuterRadius = self._filing.outerRadius()
- self._cachedInnerRadius = self._filing.innerRadius()
- canvasSize = self._cachedOuterRadius * 2 + 1
- self._canvas = QtGui.QPixmap(canvasSize, canvasSize)
- self._mask = None
- self._backgroundState = background
- self.palette = None
-
- def pieSize(self):
- diameter = self._filing.outerRadius() * 2 + 1
- return QtCore.QSize(diameter, diameter)
-
- def centerSize(self):
- painter = QtGui.QPainter(self._canvas)
- text = self._filing.center().action().text()
- fontMetrics = painter.fontMetrics()
- if text:
- textBoundingRect = fontMetrics.boundingRect(text)
- else:
- textBoundingRect = QtCore.QRect()
- textWidth = textBoundingRect.width()
- textHeight = textBoundingRect.height()
-
- return QtCore.QSize(
- textWidth + self.ICON_SIZE_DEFAULT,
- max(textHeight, self.ICON_SIZE_DEFAULT),
- )
-
- def show(self, palette):
- self.palette = palette
-
- if (
- self._cachedOuterRadius != self._filing.outerRadius() or
- self._cachedInnerRadius != self._filing.innerRadius()
- ):
- self._cachedOuterRadius = self._filing.outerRadius()
- self._cachedInnerRadius = self._filing.innerRadius()
- self._canvas = self._canvas.scaled(self.pieSize())
-
- if self._mask is None:
- self._mask = QtGui.QBitmap(self._canvas.size())
- self._mask.fill(QtCore.Qt.color0)
- self._generate_mask(self._mask)
- self._canvas.setMask(self._mask)
- return self._mask
-
- def hide(self):
- self.palette = None
-
- def paint(self, selectionIndex):
- painter = QtGui.QPainter(self._canvas)
- painter.setRenderHint(QtGui.QPainter.Antialiasing, True)
-
- self.paintPainter(selectionIndex, painter)
-
- return self._canvas
-
- def paintPainter(self, selectionIndex, painter):
- adjustmentRect = painter.viewport().adjusted(0, 0, -1, -1)
-
- numChildren = len(self._filing)
- if numChildren == 0:
- self._paint_center_background(painter, adjustmentRect, selectionIndex)
- self._paint_center_foreground(painter, adjustmentRect, selectionIndex)
- return self._canvas
- else:
- for i in xrange(len(self._filing)):
- self._paint_slice_background(painter, adjustmentRect, i, selectionIndex)
-
- self._paint_center_background(painter, adjustmentRect, selectionIndex)
- self._paint_center_foreground(painter, adjustmentRect, selectionIndex)
-
- for i in xrange(len(self._filing)):
- self._paint_slice_foreground(painter, adjustmentRect, i, selectionIndex)
-
- def _generate_mask(self, mask):
- """
- Specifies on the mask the shape of the pie menu
- """
- painter = QtGui.QPainter(mask)
- painter.setPen(QtCore.Qt.color1)
- painter.setBrush(QtCore.Qt.color1)
- if self.DEFAULT_SHAPE == self.SHAPE_SQUARE:
- painter.drawRect(mask.rect())
- elif self.DEFAULT_SHAPE == self.SHAPE_CIRCLE:
- painter.drawEllipse(mask.rect().adjusted(0, 0, -1, -1))
- else:
- raise NotImplementedError(self.DEFAULT_SHAPE)
-
- def _paint_slice_background(self, painter, adjustmentRect, i, selectionIndex):
- if self.DEFAULT_SHAPE == self.SHAPE_SQUARE:
- currentWidth = adjustmentRect.width()
- newWidth = math.sqrt(2) * currentWidth
- dx = (newWidth - currentWidth) / 2
- adjustmentRect = adjustmentRect.adjusted(-dx, -dx, dx, dx)
- elif self.DEFAULT_SHAPE == self.SHAPE_CIRCLE:
- pass
- else:
- raise NotImplementedError(self.DEFAULT_SHAPE)
-
- if self._backgroundState == self.BACKGROUND_NOFILL:
- painter.setBrush(QtGui.QBrush(QtCore.Qt.transparent))
- painter.setPen(self.palette.highlight().color())
- else:
- if i == selectionIndex and self._filing[i].isEnabled():
- painter.setBrush(self.palette.highlight())
- painter.setPen(self.palette.highlight().color())
- else:
- painter.setBrush(self.palette.window())
- painter.setPen(self.palette.window().color())
-
- a = self._filing._index_to_angle(i, True)
- b = self._filing._index_to_angle(i + 1, True)
- if b < a:
- b += _TWOPI
- size = b - a
- if size < 0:
- size += _TWOPI
-
- startAngleInDeg = (a * 360 * 16) / _TWOPI
- sizeInDeg = (size * 360 * 16) / _TWOPI
- painter.drawPie(adjustmentRect, int(startAngleInDeg), int(sizeInDeg))
-
- def _paint_slice_foreground(self, painter, adjustmentRect, i, selectionIndex):
- child = self._filing[i]
-
- a = self._filing._index_to_angle(i, True)
- b = self._filing._index_to_angle(i + 1, True)
- if b < a:
- b += _TWOPI
- middleAngle = (a + b) / 2
- averageRadius = (self._cachedInnerRadius + self._cachedOuterRadius) / 2
-
- sliceX = averageRadius * math.cos(middleAngle)
- sliceY = - averageRadius * math.sin(middleAngle)
-
- piePos = adjustmentRect.center()
- pieX = piePos.x()
- pieY = piePos.y()
- self._paint_label(
- painter, child.action(), i == selectionIndex, pieX+sliceX, pieY+sliceY
- )
-
- def _paint_label(self, painter, action, isSelected, x, y):
- text = action.text()
- fontMetrics = painter.fontMetrics()
- if text:
- textBoundingRect = fontMetrics.boundingRect(text)
- else:
- textBoundingRect = QtCore.QRect()
- textWidth = textBoundingRect.width()
- textHeight = textBoundingRect.height()
-
- icon = action.icon().pixmap(
- QtCore.QSize(self.ICON_SIZE_DEFAULT, self.ICON_SIZE_DEFAULT),
- QtGui.QIcon.Normal,
- QtGui.QIcon.On,
- )
- iconWidth = icon.width()
- iconHeight = icon.width()
- averageWidth = (iconWidth + textWidth)/2
- if not icon.isNull():
- iconRect = QtCore.QRect(
- x - averageWidth,
- y - iconHeight/2,
- iconWidth,
- iconHeight,
- )
-
- painter.drawPixmap(iconRect, icon)
-
- if text:
- if isSelected:
- if action.isEnabled():
- pen = self.palette.highlightedText()
- brush = self.palette.highlight()
- else:
- pen = self.palette.mid()
- brush = self.palette.window()
- else:
- if action.isEnabled():
- pen = self.palette.windowText()
- else:
- pen = self.palette.mid()
- brush = self.palette.window()
-
- leftX = x - averageWidth + iconWidth
- topY = y + textHeight/2
- painter.setPen(pen.color())
- painter.setBrush(brush)
- painter.drawText(leftX, topY, text)
-
- def _paint_center_background(self, painter, adjustmentRect, selectionIndex):
- if self._backgroundState == self.BACKGROUND_NOFILL:
- return
- if len(self._filing) == 0:
- if self._backgroundState == self.BACKGROUND_NOFILL:
- painter.setBrush(QtGui.QBrush(QtCore.Qt.transparent))
- else:
- if selectionIndex == PieFiling.SELECTION_CENTER and self._filing.center().isEnabled():
- painter.setBrush(self.palette.highlight())
- else:
- painter.setBrush(self.palette.window())
- painter.setPen(self.palette.mid().color())
-
- painter.drawRect(adjustmentRect)
- else:
- dark = self.palette.mid().color()
- light = self.palette.light().color()
- if self._backgroundState == self.BACKGROUND_NOFILL:
- background = QtGui.QBrush(QtCore.Qt.transparent)
- else:
- if selectionIndex == PieFiling.SELECTION_CENTER and self._filing.center().isEnabled():
- background = self.palette.highlight().color()
- else:
- background = self.palette.window().color()
-
- innerRadius = self._cachedInnerRadius
- adjustmentCenterPos = adjustmentRect.center()
- innerRect = QtCore.QRect(
- adjustmentCenterPos.x() - innerRadius,
- adjustmentCenterPos.y() - innerRadius,
- innerRadius * 2 + 1,
- innerRadius * 2 + 1,
- )
-
- painter.setPen(QtCore.Qt.NoPen)
- painter.setBrush(background)
- painter.drawPie(innerRect, 0, 360 * 16)
-
- if self.DEFAULT_SHAPE == self.SHAPE_SQUARE:
- pass
- elif self.DEFAULT_SHAPE == self.SHAPE_CIRCLE:
- painter.setPen(QtGui.QPen(dark, 1))
- painter.setBrush(QtCore.Qt.NoBrush)
- painter.drawEllipse(adjustmentRect)
- else:
- raise NotImplementedError(self.DEFAULT_SHAPE)
-
- def _paint_center_foreground(self, painter, adjustmentRect, selectionIndex):
- centerPos = adjustmentRect.center()
- pieX = centerPos.x()
- pieY = centerPos.y()
-
- x = pieX
- y = pieY
-
- self._paint_label(
- painter,
- self._filing.center().action(),
- selectionIndex == PieFiling.SELECTION_CENTER,
- x, y
- )
-
-
-class QPieDisplay(QtGui.QWidget):
-
- def __init__(self, filing, parent = None, flags = QtCore.Qt.Window):
- QtGui.QWidget.__init__(self, parent, flags)
- self._filing = filing
- self._artist = PieArtist(self._filing)
- self._selectionIndex = PieFiling.SELECTION_NONE
-
- def popup(self, pos):
- self._update_selection(pos)
- self.show()
-
- def sizeHint(self):
- return self._artist.pieSize()
-
- @misc_utils.log_exception(_moduleLogger)
- def showEvent(self, showEvent):
- mask = self._artist.show(self.palette())
- self.setMask(mask)
-
- QtGui.QWidget.showEvent(self, showEvent)
-
- @misc_utils.log_exception(_moduleLogger)
- def hideEvent(self, hideEvent):
- self._artist.hide()
- self._selectionIndex = PieFiling.SELECTION_NONE
- QtGui.QWidget.hideEvent(self, hideEvent)
-
- @misc_utils.log_exception(_moduleLogger)
- def paintEvent(self, paintEvent):
- canvas = self._artist.paint(self._selectionIndex)
- offset = (self.size() - canvas.size()) / 2
-
- screen = QtGui.QPainter(self)
- screen.drawPixmap(QtCore.QPoint(offset.width(), offset.height()), canvas)
-
- QtGui.QWidget.paintEvent(self, paintEvent)
-
- def selectAt(self, index):
- oldIndex = self._selectionIndex
- self._selectionIndex = index
- if self.isVisible():
- self.update()
-
-
-class QPieButton(QtGui.QWidget):
-
- activated = qt_compat.Signal(int)
- highlighted = qt_compat.Signal(int)
- canceled = qt_compat.Signal()
- aboutToShow = qt_compat.Signal()
- aboutToHide = qt_compat.Signal()
-
- BUTTON_RADIUS = 24
- DELAY = 250
-
- def __init__(self, buttonSlice, parent = None, buttonSlices = None):
- # @bug Artifacts on Maemo 5 due to window 3D effects, find way to disable them for just these?
- # @bug The pie's are being pushed back on screen on Maemo, leading to coordinate issues
- QtGui.QWidget.__init__(self, parent)
- self._cachedCenterPosition = self.rect().center()
-
- self._filing = PieFiling()
- self._display = QPieDisplay(self._filing, None, QtCore.Qt.SplashScreen)
- self._selectionIndex = PieFiling.SELECTION_NONE
-
- self._buttonFiling = PieFiling()
- self._buttonFiling.set_center(buttonSlice)
- if buttonSlices is not None:
- for slice in buttonSlices:
- self._buttonFiling.insertItem(slice)
- self._buttonFiling.setOuterRadius(self.BUTTON_RADIUS)
- self._buttonArtist = PieArtist(self._buttonFiling, PieArtist.BACKGROUND_NOFILL)
- self._poppedUp = False
- self._pressed = False
-
- self._delayPopupTimer = QtCore.QTimer()
- self._delayPopupTimer.setInterval(self.DELAY)
- self._delayPopupTimer.setSingleShot(True)
- self._delayPopupTimer.timeout.connect(self._on_delayed_popup)
- self._popupLocation = None
-
- self._mousePosition = None
- self.setFocusPolicy(QtCore.Qt.StrongFocus)
- self.setSizePolicy(
- QtGui.QSizePolicy(
- QtGui.QSizePolicy.MinimumExpanding,
- QtGui.QSizePolicy.MinimumExpanding,
- )
- )
-
- def insertItem(self, item, index = -1):
- self._filing.insertItem(item, index)
-
- def removeItemAt(self, index):
- self._filing.removeItemAt(index)
-
- def set_center(self, item):
- self._filing.set_center(item)
-
- def set_button(self, item):
- self.update()
-
- def clear(self):
- self._filing.clear()
-
- def itemAt(self, index):
- return self._filing.itemAt(index)
-
- def indexAt(self, point):
- return self._filing.indexAt(self._cachedCenterPosition, point)
-
- def innerRadius(self):
- return self._filing.innerRadius()
-
- def setInnerRadius(self, radius):
- self._filing.setInnerRadius(radius)
-
- def outerRadius(self):
- return self._filing.outerRadius()
-
- def setOuterRadius(self, radius):
- self._filing.setOuterRadius(radius)
-
- def buttonRadius(self):
- return self._buttonFiling.outerRadius()
-
- def setButtonRadius(self, radius):
- self._buttonFiling.setOuterRadius(radius)
- self._buttonFiling.setInnerRadius(radius / 2)
- self._buttonArtist.show(self.palette())
-
- def minimumSizeHint(self):
- return self._buttonArtist.centerSize()
-
- @misc_utils.log_exception(_moduleLogger)
- def mousePressEvent(self, mouseEvent):
- lastSelection = self._selectionIndex
-
- lastMousePos = mouseEvent.pos()
- self._mousePosition = lastMousePos
- self._update_selection(self._cachedCenterPosition)
-
- self.highlighted.emit(self._selectionIndex)
-
- self._display.selectAt(self._selectionIndex)
- self._pressed = True
- self.update()
- self._popupLocation = mouseEvent.globalPos()
- self._delayPopupTimer.start()
-
- @misc_utils.log_exception(_moduleLogger)
- def _on_delayed_popup(self):
- assert self._popupLocation is not None, "Widget location abuse"
- self._popup_child(self._popupLocation)
-
- @misc_utils.log_exception(_moduleLogger)
- def mouseMoveEvent(self, mouseEvent):
- lastSelection = self._selectionIndex
-
- lastMousePos = mouseEvent.pos()
- if self._mousePosition is None:
- # Absolute
- self._update_selection(lastMousePos)
- else:
- # Relative
- self._update_selection(
- self._cachedCenterPosition + (lastMousePos - self._mousePosition),
- ignoreOuter = True,
- )
-
- if lastSelection != self._selectionIndex:
- self.highlighted.emit(self._selectionIndex)
- self._display.selectAt(self._selectionIndex)
-
- if self._selectionIndex != PieFiling.SELECTION_CENTER and self._delayPopupTimer.isActive():
- self._on_delayed_popup()
-
- @misc_utils.log_exception(_moduleLogger)
- def mouseReleaseEvent(self, mouseEvent):
- self._delayPopupTimer.stop()
- self._popupLocation = None
-
- lastSelection = self._selectionIndex
-
- lastMousePos = mouseEvent.pos()
- if self._mousePosition is None:
- # Absolute
- self._update_selection(lastMousePos)
- else:
- # Relative
- self._update_selection(
- self._cachedCenterPosition + (lastMousePos - self._mousePosition),
- ignoreOuter = True,
- )
- self._mousePosition = None
-
- self._activate_at(self._selectionIndex)
- self._pressed = False
- self.update()
- self._hide_child()
-
- @misc_utils.log_exception(_moduleLogger)
- def keyPressEvent(self, keyEvent):
- if keyEvent.key() in [QtCore.Qt.Key_Right, QtCore.Qt.Key_Down, QtCore.Qt.Key_Tab]:
- self._popup_child(QtGui.QCursor.pos())
- if self._selectionIndex != len(self._filing) - 1:
- nextSelection = self._selectionIndex + 1
- else:
- nextSelection = 0
- self._select_at(nextSelection)
- self._display.selectAt(self._selectionIndex)
- elif keyEvent.key() in [QtCore.Qt.Key_Left, QtCore.Qt.Key_Up, QtCore.Qt.Key_Backtab]:
- self._popup_child(QtGui.QCursor.pos())
- if 0 < self._selectionIndex:
- nextSelection = self._selectionIndex - 1
- else:
- nextSelection = len(self._filing) - 1
- self._select_at(nextSelection)
- self._display.selectAt(self._selectionIndex)
- elif keyEvent.key() in [QtCore.Qt.Key_Space]:
- self._popup_child(QtGui.QCursor.pos())
- self._select_at(PieFiling.SELECTION_CENTER)
- self._display.selectAt(self._selectionIndex)
- elif keyEvent.key() in [QtCore.Qt.Key_Return, QtCore.Qt.Key_Enter, QtCore.Qt.Key_Space]:
- self._delayPopupTimer.stop()
- self._popupLocation = None
- self._activate_at(self._selectionIndex)
- self._hide_child()
- elif keyEvent.key() in [QtCore.Qt.Key_Escape, QtCore.Qt.Key_Backspace]:
- self._delayPopupTimer.stop()
- self._popupLocation = None
- self._activate_at(PieFiling.SELECTION_NONE)
- self._hide_child()
- else:
- QtGui.QWidget.keyPressEvent(self, keyEvent)
-
- @misc_utils.log_exception(_moduleLogger)
- def resizeEvent(self, resizeEvent):
- self.setButtonRadius(min(resizeEvent.size().width(), resizeEvent.size().height()) / 2 - 1)
- QtGui.QWidget.resizeEvent(self, resizeEvent)
-
- @misc_utils.log_exception(_moduleLogger)
- def showEvent(self, showEvent):
- self._buttonArtist.show(self.palette())
- self._cachedCenterPosition = self.rect().center()
-
- QtGui.QWidget.showEvent(self, showEvent)
-
- @misc_utils.log_exception(_moduleLogger)
- def hideEvent(self, hideEvent):
- self._display.hide()
- self._select_at(PieFiling.SELECTION_NONE)
- QtGui.QWidget.hideEvent(self, hideEvent)
-
- @misc_utils.log_exception(_moduleLogger)
- def paintEvent(self, paintEvent):
- self.setButtonRadius(min(self.rect().width(), self.rect().height()) / 2 - 1)
- if self._poppedUp:
- selectionIndex = PieFiling.SELECTION_CENTER
- else:
- selectionIndex = PieFiling.SELECTION_NONE
-
- screen = QtGui.QStylePainter(self)
- screen.setRenderHint(QtGui.QPainter.Antialiasing, True)
- option = QtGui.QStyleOptionButton()
- option.initFrom(self)
- option.state = QtGui.QStyle.State_Sunken if self._pressed else QtGui.QStyle.State_Raised
-
- screen.drawControl(QtGui.QStyle.CE_PushButton, option)
- self._buttonArtist.paintPainter(selectionIndex, screen)
-
- QtGui.QWidget.paintEvent(self, paintEvent)
-
- def __iter__(self):
- return iter(self._filing)
-
- def __len__(self):
- return len(self._filing)
-
- def _popup_child(self, position):
- self._poppedUp = True
- self.aboutToShow.emit()
-
- self._delayPopupTimer.stop()
- self._popupLocation = None
-
- position = position - QtCore.QPoint(self._filing.outerRadius(), self._filing.outerRadius())
- self._display.move(position)
- self._display.show()
-
- self.update()
-
- def _hide_child(self):
- self._poppedUp = False
- self.aboutToHide.emit()
- self._display.hide()
- self.update()
-
- def _select_at(self, index):
- self._selectionIndex = index
-
- def _update_selection(self, lastMousePos, ignoreOuter = False):
- radius = _radius_at(self._cachedCenterPosition, lastMousePos)
- if radius < self._filing.innerRadius():
- self._select_at(PieFiling.SELECTION_CENTER)
- elif radius <= self._filing.outerRadius() or ignoreOuter:
- self._select_at(self.indexAt(lastMousePos))
- else:
- self._select_at(PieFiling.SELECTION_NONE)
-
- def _activate_at(self, index):
- if index == PieFiling.SELECTION_NONE:
- self.canceled.emit()
- return
- elif index == PieFiling.SELECTION_CENTER:
- child = self._filing.center()
- else:
- child = self.itemAt(index)
-
- if child.action().isEnabled():
- child.action().trigger()
- self.activated.emit(index)
- else:
- self.canceled.emit()
-
-
-class QPieMenu(QtGui.QWidget):
-
- activated = qt_compat.Signal(int)
- highlighted = qt_compat.Signal(int)
- canceled = qt_compat.Signal()
- aboutToShow = qt_compat.Signal()
- aboutToHide = qt_compat.Signal()
-
- def __init__(self, parent = None):
- QtGui.QWidget.__init__(self, parent)
- self._cachedCenterPosition = self.rect().center()
-
- self._filing = PieFiling()
- self._artist = PieArtist(self._filing)
- self._selectionIndex = PieFiling.SELECTION_NONE
-
- self._mousePosition = ()
- self.setFocusPolicy(QtCore.Qt.StrongFocus)
-
- def popup(self, pos):
- self._update_selection(pos)
- self.show()
-
- def insertItem(self, item, index = -1):
- self._filing.insertItem(item, index)
- self.update()
-
- def removeItemAt(self, index):
- self._filing.removeItemAt(index)
- self.update()
-
- def set_center(self, item):
- self._filing.set_center(item)
- self.update()
-
- def clear(self):
- self._filing.clear()
- self.update()
-
- def itemAt(self, index):
- return self._filing.itemAt(index)
-
- def indexAt(self, point):
- return self._filing.indexAt(self._cachedCenterPosition, point)
-
- def innerRadius(self):
- return self._filing.innerRadius()
-
- def setInnerRadius(self, radius):
- self._filing.setInnerRadius(radius)
- self.update()
-
- def outerRadius(self):
- return self._filing.outerRadius()
-
- def setOuterRadius(self, radius):
- self._filing.setOuterRadius(radius)
- self.update()
-
- def sizeHint(self):
- return self._artist.pieSize()
-
- @misc_utils.log_exception(_moduleLogger)
- def mousePressEvent(self, mouseEvent):
- lastSelection = self._selectionIndex
-
- lastMousePos = mouseEvent.pos()
- self._update_selection(lastMousePos)
- self._mousePosition = lastMousePos
-
- if lastSelection != self._selectionIndex:
- self.highlighted.emit(self._selectionIndex)
- self.update()
-
- @misc_utils.log_exception(_moduleLogger)
- def mouseMoveEvent(self, mouseEvent):
- lastSelection = self._selectionIndex
-
- lastMousePos = mouseEvent.pos()
- self._update_selection(lastMousePos)
-
- if lastSelection != self._selectionIndex:
- self.highlighted.emit(self._selectionIndex)
- self.update()
-
- @misc_utils.log_exception(_moduleLogger)
- def mouseReleaseEvent(self, mouseEvent):
- lastSelection = self._selectionIndex
-
- lastMousePos = mouseEvent.pos()
- self._update_selection(lastMousePos)
- self._mousePosition = ()
-
- self._activate_at(self._selectionIndex)
- self.update()
-
- @misc_utils.log_exception(_moduleLogger)
- def keyPressEvent(self, keyEvent):
- if keyEvent.key() in [QtCore.Qt.Key_Right, QtCore.Qt.Key_Down, QtCore.Qt.Key_Tab]:
- if self._selectionIndex != len(self._filing) - 1:
- nextSelection = self._selectionIndex + 1
- else:
- nextSelection = 0
- self._select_at(nextSelection)
- self.update()
- elif keyEvent.key() in [QtCore.Qt.Key_Left, QtCore.Qt.Key_Up, QtCore.Qt.Key_Backtab]:
- if 0 < self._selectionIndex:
- nextSelection = self._selectionIndex - 1
- else:
- nextSelection = len(self._filing) - 1
- self._select_at(nextSelection)
- self.update()
- elif keyEvent.key() in [QtCore.Qt.Key_Return, QtCore.Qt.Key_Enter, QtCore.Qt.Key_Space]:
- self._activate_at(self._selectionIndex)
- elif keyEvent.key() in [QtCore.Qt.Key_Escape, QtCore.Qt.Key_Backspace]:
- self._activate_at(PieFiling.SELECTION_NONE)
- else:
- QtGui.QWidget.keyPressEvent(self, keyEvent)
-
- @misc_utils.log_exception(_moduleLogger)
- def showEvent(self, showEvent):
- self.aboutToShow.emit()
- self._cachedCenterPosition = self.rect().center()
-
- mask = self._artist.show(self.palette())
- self.setMask(mask)
-
- lastMousePos = self.mapFromGlobal(QtGui.QCursor.pos())
- self._update_selection(lastMousePos)
-
- QtGui.QWidget.showEvent(self, showEvent)
-
- @misc_utils.log_exception(_moduleLogger)
- def hideEvent(self, hideEvent):
- self._artist.hide()
- self._selectionIndex = PieFiling.SELECTION_NONE
- QtGui.QWidget.hideEvent(self, hideEvent)
-
- @misc_utils.log_exception(_moduleLogger)
- def paintEvent(self, paintEvent):
- canvas = self._artist.paint(self._selectionIndex)
-
- screen = QtGui.QPainter(self)
- screen.drawPixmap(QtCore.QPoint(0, 0), canvas)
-
- QtGui.QWidget.paintEvent(self, paintEvent)
-
- def __iter__(self):
- return iter(self._filing)
-
- def __len__(self):
- return len(self._filing)
-
- def _select_at(self, index):
- self._selectionIndex = index
-
- def _update_selection(self, lastMousePos):
- radius = _radius_at(self._cachedCenterPosition, lastMousePos)
- if radius < self._filing.innerRadius():
- self._selectionIndex = PieFiling.SELECTION_CENTER
- elif radius <= self._filing.outerRadius():
- self._select_at(self.indexAt(lastMousePos))
- else:
- self._selectionIndex = PieFiling.SELECTION_NONE
-
- def _activate_at(self, index):
- if index == PieFiling.SELECTION_NONE:
- self.canceled.emit()
- self.aboutToHide.emit()
- self.hide()
- return
- elif index == PieFiling.SELECTION_CENTER:
- child = self._filing.center()
- else:
- child = self.itemAt(index)
-
- if child.isEnabled():
- child.action().trigger()
- self.activated.emit(index)
- else:
- self.canceled.emit()
- self.aboutToHide.emit()
- self.hide()
-
-
-def init_pies():
- PieFiling.NULL_CENTER.setEnabled(False)
-
-
-def _print(msg):
- print msg
-
-
-def _on_about_to_hide(app):
- app.exit()
-
-
-if __name__ == "__main__":
- app = QtGui.QApplication([])
- init_pies()
-
- if False:
- pie = QPieMenu()
- pie.show()
-
- if False:
- singleAction = QtGui.QAction(None)
- singleAction.setText("Boo")
- singleItem = QActionPieItem(singleAction)
- spie = QPieMenu()
- spie.insertItem(singleItem)
- spie.show()
-
- if False:
- oneAction = QtGui.QAction(None)
- oneAction.setText("Chew")
- oneItem = QActionPieItem(oneAction)
- twoAction = QtGui.QAction(None)
- twoAction.setText("Foo")
- twoItem = QActionPieItem(twoAction)
- iconTextAction = QtGui.QAction(None)
- iconTextAction.setText("Icon")
- iconTextAction.setIcon(QtGui.QIcon.fromTheme("gtk-close"))
- iconTextItem = QActionPieItem(iconTextAction)
- mpie = QPieMenu()
- mpie.insertItem(oneItem)
- mpie.insertItem(twoItem)
- mpie.insertItem(oneItem)
- mpie.insertItem(iconTextItem)
- mpie.show()
-
- if True:
- oneAction = QtGui.QAction(None)
- oneAction.setText("Chew")
- oneAction.triggered.connect(lambda: _print("Chew"))
- oneItem = QActionPieItem(oneAction)
- twoAction = QtGui.QAction(None)
- twoAction.setText("Foo")
- twoAction.triggered.connect(lambda: _print("Foo"))
- twoItem = QActionPieItem(twoAction)
- iconAction = QtGui.QAction(None)
- iconAction.setIcon(QtGui.QIcon.fromTheme("gtk-open"))
- iconAction.triggered.connect(lambda: _print("Icon"))
- iconItem = QActionPieItem(iconAction)
- iconTextAction = QtGui.QAction(None)
- iconTextAction.setText("Icon")
- iconTextAction.setIcon(QtGui.QIcon.fromTheme("gtk-close"))
- iconTextAction.triggered.connect(lambda: _print("Icon and text"))
- iconTextItem = QActionPieItem(iconTextAction)
- mpie = QPieMenu()
- mpie.set_center(iconItem)
- mpie.insertItem(oneItem)
- mpie.insertItem(twoItem)
- mpie.insertItem(oneItem)
- mpie.insertItem(iconTextItem)
- mpie.show()
- mpie.aboutToHide.connect(lambda: _on_about_to_hide(app))
- mpie.canceled.connect(lambda: _print("Canceled"))
-
- if False:
- oneAction = QtGui.QAction(None)
- oneAction.setText("Chew")
- oneAction.triggered.connect(lambda: _print("Chew"))
- oneItem = QActionPieItem(oneAction)
- twoAction = QtGui.QAction(None)
- twoAction.setText("Foo")
- twoAction.triggered.connect(lambda: _print("Foo"))
- twoItem = QActionPieItem(twoAction)
- iconAction = QtGui.QAction(None)
- iconAction.setIcon(QtGui.QIcon.fromTheme("gtk-open"))
- iconAction.triggered.connect(lambda: _print("Icon"))
- iconItem = QActionPieItem(iconAction)
- iconTextAction = QtGui.QAction(None)
- iconTextAction.setText("Icon")
- iconTextAction.setIcon(QtGui.QIcon.fromTheme("gtk-close"))
- iconTextAction.triggered.connect(lambda: _print("Icon and text"))
- iconTextItem = QActionPieItem(iconTextAction)
- pieFiling = PieFiling()
- pieFiling.set_center(iconItem)
- pieFiling.insertItem(oneItem)
- pieFiling.insertItem(twoItem)
- pieFiling.insertItem(oneItem)
- pieFiling.insertItem(iconTextItem)
- mpie = QPieDisplay(pieFiling)
- mpie.show()
-
- if False:
- oneAction = QtGui.QAction(None)
- oneAction.setText("Chew")
- oneAction.triggered.connect(lambda: _print("Chew"))
- oneItem = QActionPieItem(oneAction)
- twoAction = QtGui.QAction(None)
- twoAction.setText("Foo")
- twoAction.triggered.connect(lambda: _print("Foo"))
- twoItem = QActionPieItem(twoAction)
- iconAction = QtGui.QAction(None)
- iconAction.setIcon(QtGui.QIcon.fromTheme("gtk-open"))
- iconAction.triggered.connect(lambda: _print("Icon"))
- iconItem = QActionPieItem(iconAction)
- iconTextAction = QtGui.QAction(None)
- iconTextAction.setText("Icon")
- iconTextAction.setIcon(QtGui.QIcon.fromTheme("gtk-close"))
- iconTextAction.triggered.connect(lambda: _print("Icon and text"))
- iconTextItem = QActionPieItem(iconTextAction)
- mpie = QPieButton(iconItem)
- mpie.set_center(iconItem)
- mpie.insertItem(oneItem)
- mpie.insertItem(twoItem)
- mpie.insertItem(oneItem)
- mpie.insertItem(iconTextItem)
- mpie.show()
- mpie.aboutToHide.connect(lambda: _on_about_to_hide(app))
- mpie.canceled.connect(lambda: _print("Canceled"))
-
- app.exec_()
projects / gonvert / blobdiff