aboutToShow = QtCore.pyqtSignal()
aboutToHide = QtCore.pyqtSignal()
+ SELECTION_CENTER = -1
+ SELECTION_NONE = -2
+
+ NULL_CENTER = QtGui.QAction(None)
+
def __init__(self, parent = None):
QtGui.QWidget.__init__(self, parent)
self._innerRadius = self.INNER_RADIUS_DEFAULT
self._outerRadius = self.OUTER_RADIUS_DEFAULT
self._children = []
- self._selectionIndex = -2
+ self._center = self.NULL_CENTER
+ self._selectionIndex = self.SELECTION_NONE
self._motion = 0
self._mouseButtonPressed = True
item = self._children.pop(index)
self._invalidate_view()
+ def set_center(self, item):
+ self._center = item
+
def clear(self):
del self._children[:]
self._invalidate_view()
self._select_at(self._angle_to_index(lastMousePos))
else:
if radius < self._innerRadius:
- self._selectionIndex = -1
+ self._selectionIndex = self.SELECTION_CENTER
else:
- self._selectionIndex = -2
+ self._selectionIndex = self.SELECTION_NONE
QtGui.QWidget.showEvent(self, showEvent)
def hideEvent(self, hideEvent):
self.canceled.emit()
- self._selectionIndex = -2
+ self._selectionIndex = self.SELECTION_NONE
QtGui.QWidget.hideEvent(self, hideEvent)
def paintEvent(self, paintEvent):
painter.fillRect(self.rect(), painter.brush())
else:
- for i, child in enumerate(self._children):
- if i == self._selectionIndex:
- painter.setBrush(self.palette().highlight())
- else:
- painter.setBrush(self.palette().background())
- painter.setPen(self.palette().mid().color())
+ for i in xrange(len(self._children)):
+ self._paint_slice_background(painter, adjustmentRect, i)
+
+ self._paint_center_background(painter, adjustmentRect)
+ self._paint_center_foreground(painter)
+
+ for i in xrange(len(self._children)):
+ self._paint_slice_foreground(painter, i)
+
+ screen = QtGui.QPainter(self)
+ screen.drawPixmap(QtCore.QPoint(0, 0), self._canvas)
+
+ QtGui.QWidget.paintEvent(self, paintEvent)
+
+ def __len__(self):
+ return len(self._children)
+
+ def _invalidate_view(self):
+ pass
+
+ 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)
+ painter.drawEllipse(mask.rect().adjusted(0, 0, -1, -1))
- a = self._index_to_angle(i, True)
- b = self._index_to_angle(i + 1, True)
- if b < a:
- b += 2*math.pi
- size = b - a
- if size < 0:
- size += 2*math.pi
+ def _paint_slice_background(self, painter, adjustmentRect, i):
+ if i == self._selectionIndex and self._children[i].isEnabled():
+ painter.setBrush(self.palette().highlight())
+ else:
+ painter.setBrush(self.palette().background())
+ painter.setPen(self.palette().mid().color())
+
+ a = self._index_to_angle(i, True)
+ b = self._index_to_angle(i + 1, True)
+ if b < a:
+ b += 2*math.pi
+ size = b - a
+ if size < 0:
+ size += 2*math.pi
+
+ startAngleInDeg = (a * 360 * 16) / (2*math.pi)
+ sizeInDeg = (size * 360 * 16) / (2*math.pi)
+ painter.drawPie(adjustmentRect, int(startAngleInDeg), int(sizeInDeg))
+
+ def _paint_slice_foreground(self, painter, i):
+ child = self._children[i]
+
+ a = self._index_to_angle(i, True)
+ b = self._index_to_angle(i + 1, True)
+ if b < a:
+ b += 2*math.pi
+ middleAngle = (a + b) / 2
+ averageRadius = (self._innerRadius + self._outerRadius) / 2
+
+ sliceX = averageRadius * math.cos(middleAngle)
+ sliceY = - averageRadius * math.sin(middleAngle)
+
+ pieX = self._canvas.rect().center().x()
+ pieY = self._canvas.rect().center().y()
+ self._paint_label(
+ painter, child.action(), i == self._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,
+ )
+ averageWidth = (icon.width() + textWidth)/2
+ if not icon.isNull():
+ iconRect = QtCore.QRect(
+ x - averageWidth,
+ y - icon.height()/2,
+ icon.width(),
+ icon.height(),
+ )
- startAngleInDeg = (a * 360 * 16) / (2*math.pi)
- sizeInDeg = (size * 360 * 16) / (2*math.pi)
- painter.drawPie(adjustmentRect, int(startAngleInDeg), int(sizeInDeg))
+ 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().background()
+ else:
+ if action.isEnabled():
+ pen = self.palette().text()
+ else:
+ pen = self.palette().mid()
+ brush = self.palette().background()
+
+ leftX = x - averageWidth + icon.width()
+ topY = y + textHeight/2
+ painter.setPen(pen.color())
+ painter.setBrush(brush)
+ painter.drawText(leftX, topY, text)
+
+ def _paint_center_background(self, painter, adjustmentRect):
dark = self.palette().dark().color()
light = self.palette().light().color()
- if self._selectionIndex == -1:
+ if self._selectionIndex == self.SELECTION_CENTER and self._center.isEnabled():
background = self.palette().highlight().color()
else:
background = self.palette().background().color()
innerRect.setTop(r.center().y() + ((r.top() - r.center().y()) / 3) * 1)
innerRect.setBottom(r.center().y() + ((r.bottom() - r.center().y()) / 3) * 1)
- if self._selectionIndex == -1:
- text = self.palette().highlightedText().color()
- else:
- text = self.palette().text().color()
-
- for i, child in enumerate(self._children):
- text = child.action().text()
-
- a = self._index_to_angle(i, True)
- b = self._index_to_angle(i + 1, True)
- if b < a:
- b += 2*math.pi
- middleAngle = (a + b) / 2
- averageRadius = (self._innerRadius + self._outerRadius) / 2
+ def _paint_center_foreground(self, painter):
+ pieX = self._canvas.rect().center().x()
+ pieY = self._canvas.rect().center().y()
- sliceX = averageRadius * math.cos(middleAngle)
- sliceY = - averageRadius * math.sin(middleAngle)
+ x = pieX
+ y = pieY
- pieX = self._canvas.rect().center().x()
- pieY = self._canvas.rect().center().y()
-
- fontMetrics = painter.fontMetrics()
- if text:
- textBoundingRect = fontMetrics.boundingRect(text)
- else:
- textBoundingRect = QtCore.QRect()
- textWidth = textBoundingRect.width()
- textHeight = textBoundingRect.height()
-
- icon = child.action().icon().pixmap(
- QtCore.QSize(self.ICON_SIZE_DEFAULT, self.ICON_SIZE_DEFAULT),
- QtGui.QIcon.Normal,
- QtGui.QIcon.On,
- )
- averageWidth = (icon.width() + textWidth)/2
- if not icon.isNull():
- iconRect = QtCore.QRect(
- pieX + sliceX - averageWidth,
- pieY + sliceY - icon.height()/2,
- icon.width(),
- icon.height(),
- )
-
- painter.drawPixmap(iconRect, icon)
-
- if text:
- if i == self._selectionIndex:
- if child.action().isEnabled():
- pen = self.palette().highlightedText()
- brush = self.palette().highlight()
- else:
- pen = self.palette().mid()
- brush = self.palette().background()
- else:
- if child.action().isEnabled():
- pen = self.palette().text()
- else:
- pen = self.palette().mid()
- brush = self.palette().background()
-
- leftX = pieX + sliceX - averageWidth + icon.width()
- topY = pieY + sliceY + textHeight/2
- painter.setPen(pen.color())
- painter.setBrush(brush)
- painter.drawText(leftX, topY, text)
-
- screen = QtGui.QPainter(self)
- screen.drawPixmap(QtCore.QPoint(0, 0), self._canvas)
-
- QtGui.QWidget.paintEvent(self, paintEvent)
-
- def __len__(self):
- return len(self._children)
-
- def _invalidate_view(self):
- pass
-
- 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)
- painter.drawEllipse(mask.rect().adjusted(0, 0, -1, -1))
+ self._paint_label(
+ painter, self._center.action(), self._selectionIndex == self.SELECTION_CENTER, x, y
+ )
def _select_at(self, index):
self._selectionIndex = index
def _angle_to_index(self, angle):
numChildren = len(self._children)
if numChildren == 0:
- return -1
+ return self.SELECTION_CENTER
totalWeight = sum(child.weight() for child in self._children)
if totalWeight == 0:
if __name__ == "__main__":
app = QtGui.QApplication([])
+ QPieMenu.NULL_CENTER.setEnabled(False)
if False:
pie = QPieMenu()
spie.insertItem(singleItem)
spie.show()
- if True:
+ 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")
+ oneItem = QActionPieItem(oneAction)
+ twoAction = QtGui.QAction(None)
+ twoAction.setText("Foo")
+ twoItem = QActionPieItem(twoAction)
+ iconAction = QtGui.QAction(None)
+ iconAction.setIcon(QtGui.QIcon.fromTheme("gtk-open"))
+ iconItem = QActionPieItem(iconAction)
+ iconTextAction = QtGui.QAction(None)
+ iconTextAction.setText("Icon")
+ iconTextAction.setIcon(QtGui.QIcon.fromTheme("gtk-close"))
+ iconTextItem = QActionPieItem(iconTextAction)
+ mpie = QPieMenu()
+ mpie.set_center(iconItem)
+ mpie.insertItem(oneItem)
mpie.insertItem(twoItem)
+ mpie.insertItem(oneItem)
+ mpie.insertItem(iconTextItem)
mpie.show()
app.exec_()
projects / ejpi / commitdiff