Exemplo n.º 1
0
    def mouseMoveEvent(self, event):
        """
        Don't allow user to move locked columns
        """
        if (self.cursor().shape() == QtCore.Qt.ArrowCursor and  # not a resize
                event.buttons() == QtCore.Qt.LeftButton
                and  # not a context menu
                self.__dragLogicalIdx is not None  # is a drag-move
            ):
            scrollOffset = self.offset()
            pos = event.pos().x()  # current mouse x position
            logicalIdx, cursorOffset = self.__dragLogicalIdx  # the logical column index of the column currently being dragged
            draggedSize = self.sectionSize(
                logicalIdx)  # the size of the column that's being dragged
            rightLogicalIndex = self.logicalIndexAt(
                (pos + (draggedSize / 2) + cursorOffset) - scrollOffset
            )  # the column under the right hand edge of the dragged column
            leftLogicalIndex = self.logicalIndexAt(
                (pos - (draggedSize / 2) + cursorOffset) - scrollOffset
            )  # the column under the left hand edge of the dragged column
            centralLogicalIndex = self.logicalIndexAt(
                pos)  # the column under the cursor
            currentVisualIndex = self.visualIndexAt(pos)
            startVisualIndex = self.visualIndex(logicalIdx)
            columnOnLeftIsLocked = not self.__columnIsUnlocked(
                leftLogicalIndex
            )  # the column under the left hand edge is locked
            columnOnRightIsLocked = not self.__columnIsUnlocked(
                rightLogicalIndex
            )  # the column under the right hand edge is locked
            columnUnderMouseIsLocked = not self.__columnIsUnlocked(
                centralLogicalIndex)

            def snapToLeft():
                # get furthest left column
                furthestLeft = sorted(filter(self.__columnIsUnlocked,
                                             range(self.count())),
                                      key=self.sectionPosition)[0]
                offset = (self.sectionPosition(furthestLeft) -
                          scrollOffset) + (draggedSize / 2)
                return offset

            def snapToRight():
                # get furthest right column
                furthestRight = sorted(filter(self.__columnIsUnlocked,
                                              range(self.count())),
                                       key=self.sectionPosition)[-1]
                offset = self.sectionPosition(furthestRight) - (
                    draggedSize / 2) - scrollOffset
                return offset

            offset = None
            # if its gone to the far left and the first column on the far left is locked...
            if currentVisualIndex == 0 and (columnOnLeftIsLocked
                                            or columnUnderMouseIsLocked):
                offset = snapToLeft()
            # if its dragged as far right as it can go and the last column is locked...
            elif currentVisualIndex == self.count() - 1 and (
                    columnOnRightIsLocked or columnUnderMouseIsLocked):
                offset = snapToRight()
            # if we've dragged it into left-hand edge of a locked column
            elif startVisualIndex > self.visualIndex(leftLogicalIndex) and (
                    columnOnLeftIsLocked or columnUnderMouseIsLocked):
                offset = snapToLeft()
            # if we've dragged it into right-hand edge of a locked column
            elif startVisualIndex < self.visualIndex(rightLogicalIndex) and (
                    columnOnRightIsLocked or columnUnderMouseIsLocked):
                offset = snapToRight()
            # if we need to override the position because we've hit a locked column...
            if offset is not None:
                QtGui.QHeaderView.mouseMoveEvent(
                    self,
                    QtGui.QMouseEvent(
                        event.type(),
                        QtCore.QPoint(offset - cursorOffset, 0),
                        event.button(),
                        event.buttons(),
                        event.modifiers(),
                    ))
                return
        QtGui.QHeaderView.mouseMoveEvent(self, event)
Exemplo n.º 2
0
DEFAULT_LEVEL_CONSOLE = crosslogging.DEBUG
DEFAULT_LEVEL_FILE = crosslogging.DEBUG
DEFAULT_LEVEL_QT = crosslogging.INFO

# Integer limits
# do not use sys.maxint
# the values defined here are compatible with QSpinBox widgets
MINIMUM_INTEGER = -2147483648
MAXIMUM_INTEGER = 2147483647

# Float limits
MINIMUM_FLOAT = -1.7976931348623157e+308
MAXIMUM_FLOAT = 1.7976931348623157e+308

# Default window geometry
DEFAULT_WINDOW_POS = QtCore.QPoint(50, 50)
DEFAULT_WINDOW_SIZE = QtCore.QSize(800, 600)

# log level icons
LEVEL_ICON_MAP = {
    crosslogging.CRITICAL: icons.ICON_ERROR_SML,
    crosslogging.ERROR: icons.ICON_ERROR_SML,
    crosslogging.WARNING: icons.ICON_WARNING_SML,
    crosslogging.INFO: icons.ICON_INFO_SML,
    crosslogging.VERBOSE: icons.ICON_VERBOSE_SML,
    crosslogging.DEBUG: icons.ICON_DEBUG_SML,
}

# cell edit types
EDITBITMASK_INSERT = 0x1 << 0
EDITBITMASK_DELETE = 0x1 << 1