def __init__(self,
items,
parent=None,
sidePad=.0,
edgePos=PTop,
align=ALeft,
effect=ENone,
buttonThrower=None,
font=None,
baselineOffset=.0,
scale=.05,
itemHeight=1.,
leftPad=.0,
separatorHeight=.5,
underscoreThickness=1,
BGColor=(0, 0, 0, .7),
BGBorderColor=(1, .85, .4, 1),
separatorColor=(1, 1, 1, 1),
frameColorHover=(1, .85, .4, 1),
frameColorPress=(0, 1, 0, 1),
textColorReady=(1, 1, 1, 1),
textColorHover=(0, 0, 0, 1),
textColorPress=(0, 0, 0, 1),
textColorDisabled=(.5, .5, .5, 1),
draggable=False,
onMove=None):
'''
sidePad : additional space on the left and right of the text item
edgePos : menu bar position on the screen,
use DropDownMenu.PLeft, PRight, PBottom, or PTop
align : menu items alignment on menu bar,
use DropDownMenu.ALeft, ACenter, or ARight
effect : the drop down appearance effect,
use DropDownMenu.ENone, EFade, ESlide, or EStretch
draggable : menu bar's draggability status
onMove : a function which will be called after changing edge position
Read the remaining options documentation in PopupMenu class.
'''
self.parent = parent if parent else getattr(
base, DropDownMenu.parents[edgePos][align])
self.BT = buttonThrower if buttonThrower else base.buttonThrowers[
0].node()
self.menu = self.parent.attachNewNode('dropdownmenu-%s' % id(self))
self.font = font if font else TextNode.getDefaultFont()
self.baselineOffset = baselineOffset
self.scale = scale
self.itemHeight = itemHeight
self.sidePad = sidePad
self.edgePos = edgePos
self.alignment = align
self.effect = effect
self.leftPad = leftPad
self.underscoreThickness = underscoreThickness
self.separatorHeight = separatorHeight
self.BGColor = BGColor
self.BGBorderColor = BGBorderColor
self.separatorColor = separatorColor
self.frameColorHover = frameColorHover
self.frameColorPress = frameColorPress
self.textColorReady = textColorReady
self.textColorHover = textColorHover
self.textColorPress = textColorPress
self.textColorDisabled = textColorDisabled
self.draggable = draggable
self.onMove = onMove
self.dropDownMenu = self.whoseDropDownMenu = None
self.gapFromEdge = gapFromEdge = .008
texMargin = self.font.getTextureMargin() * self.scale * .25
b = DirectButton(parent=NodePath(''),
text='^|g_',
text_font=self.font,
scale=self.scale)
fr = b.node().getFrame()
b.getParent().removeNode()
baselineToCenter = (fr[2] + fr[3]) * self.scale
LH = (fr[3] - fr[2]) * self.itemHeight * self.scale
baselineToTop = (fr[3] * self.itemHeight * self.scale /
LH) / (1. + self.baselineOffset)
baselineToBot = LH / self.scale - baselineToTop
self.height = LH + .01
l, r, b, t = 0, 5, -self.height, 0
self.menuBG = DirectFrame(parent=self.menu,
frameColor=BGColor,
frameSize=(l, r, b, t),
state=DGG.NORMAL,
suppressMouse=1)
if self.draggable:
self.setDraggable(1)
LSborder = LineSegs()
LSborder.setThickness(2)
LSborder.setColor(0, 0, 0, 1)
LSborder.moveTo(l, 0, b)
LSborder.drawTo(r, 0, b)
self.menuBG.attachNewNode(LSborder.create())
self.itemsParent = self.menu.attachNewNode('menu items parent')
x = sidePad * self.scale + gapFromEdge
for t, menuItemsGenerator in items:
underlinePos = t.find('_')
t = t.replace('_', '')
b = DirectButton(
parent=self.itemsParent,
text=t,
text_font=self.font,
pad=(sidePad, 0),
scale=self.scale,
pos=(x, 0, -baselineToTop * self.scale - gapFromEdge),
text_fg=textColorReady,
# text color when mouse over
text2_fg=textColorHover,
# text color when pressed
text1_fg=textColorPress,
# framecolor when pressed
frameColor=frameColorPress,
command=self.__createMenu,
extraArgs=[True, menuItemsGenerator],
text_align=TextNode.ALeft,
relief=DGG.FLAT,
rolloverSound=0,
clickSound=0)
b['extraArgs'] += [b.getName()]
b.stateNodePath[2].setColor(
*frameColorHover) # framecolor when mouse over
b.stateNodePath[0].setColor(0, 0, 0, 0) # framecolor when ready
fr = b.node().getFrame()
b['frameSize'] = (fr[0], fr[1], -baselineToBot, baselineToTop)
self.accept(DGG.ENTER + b.guiId, self.__createMenu,
[False, menuItemsGenerator,
b.getName()])
if underlinePos > -1:
tn = TextNode('')
tn.setFont(self.font)
tn.setText(t[:underlinePos + 1])
tnp = NodePath(tn.getInternalGeom())
underlineXend = tnp.getTightBounds()[1][0]
tnp.removeNode()
tn.setText(t[underlinePos])
tnp = NodePath(tn.getInternalGeom())
b3 = tnp.getTightBounds()
underlineXstart = underlineXend - (b3[1] - b3[0])[0]
tnp.removeNode()
LSunder = LineSegs()
LSunder.setThickness(underscoreThickness)
LSunder.moveTo(underlineXstart + texMargin, 0,
-.7 * baselineToBot)
LSunder.drawTo(underlineXend - texMargin, 0,
-.7 * baselineToBot)
underline = b.stateNodePath[0].attachNewNode(LSunder.create())
underline.setColor(Vec4(*textColorReady), 1)
underline.copyTo(b.stateNodePath[1],
10).setColor(Vec4(*textColorPress), 1)
underline.copyTo(b.stateNodePath[2],
10).setColor(Vec4(*textColorHover), 1)
self.accept('alt-' + t[underlinePos].lower(),
self.__createMenu,
[True, menuItemsGenerator,
b.getName()])
x += (fr[1] - fr[0]) * self.scale
self.width = x - 2 * gapFromEdge
self.align(align)
self.setEdgePos(edgePos)
self.minZ = base.a2dBottom + self.height if edgePos == DropDownMenu.PBottom else None
viewPlaneNode = PlaneNode('cut menu')
viewPlaneNode.setPlane(Plane(Vec3(0, 0, -1), Point3(0, 0, -LH)))
self.clipPlane = self.menuBG.attachNewNode(viewPlaneNode)
