[Maya-Python] Drop indicator and drag pixpam not work after reimplement dragMoveEvent and dragEnterEvent.

[Paul Winex]

Hi. Plest help me  in this problem. In treeWidget I reimplement startDrag, 
dragMove and dragEnter. Result: drag indicator and dragPixmap disappeared. Drag 
from another widget or internal drag - does not matter. How to reimplement the 
procedure correctly to make drop indicator and drag pixmap work? 
setDropIndicatorShown(True) not work! 
In the example: Select item0 in treeWidget, drag elements from listWidget to 
treeWidget. LeftMouse press and drag = select, MiddleMouse = Drag.
This code is functional. You can run and test.
Thanks!!!

from PyQt4.QtCore import *
from PyQt4.QtGui import *
#LIST WIDGET
class listWidgetClass(QListWidget):
def __init__(self,  parent = None):
QListWidget.__init__(self)
self.parent = parent
self.setSelectionMode(QAbstractItemView.ExtendedSelection)
#This command does not work
self.setDropIndicatorShown(True)
#
self.setDragEnabled(True)

def mousePressEvent(self, event):
if event.button() == 4:
self.setDragDropMode(QAbstractItemView.DragOnly)
else:
self.setDragDropMode(QAbstractItemView.NoDragDrop)
QListWidget.mousePressEvent(self, event)

def startDrag(self, event):
item = self.selectedItems()
objects = []
if item:
for i in item:
objects.append(str(i.text()))
data = QByteArray()
stream = QDataStream(data, QIODevice.WriteOnly)
stream.writeQString(';'.join(objects))
mimeData = QMimeData()
mimeData.setData('application/x-dropWidget', data)
drag = QDrag(self)
drag.setMimeData(mimeData)
drag.exec_()
#TREE WIDGET
class treeWidgetClass(QTreeWidget):
def __init__(self,  parent = None):
QTreeWidget.__init__(self)
self.parent = parent
self.setSelectionMode(QAbstractItemView.ExtendedSelection)
self.setDragDropMode(QAbstractItemView.InternalMove)
self.setAcceptDrops(True)
self.setDragEnabled(True)
self.header().setVisible(False)
self.setDropIndicatorShown(True)
self.setColumnCount(1)

def addItems(self, objs, dropItem):
if objs:
sourceItem = self.currentItem()
sourceData = 
str(sourceItem.data(0,Qt.UserRole).toString()).split(';')
targetData = str(dropItem.data(0,Qt.UserRole).toString())
if targetData:
targetData = targetData.split(';')
else:
targetData = []
dropData = objs.split(';')

dropItem.setData(0,Qt.UserRole,';'.join(targetData+dropData))
newSourceData = []
for s in sourceData:
if not s in dropData:
newSourceData.append(s)
sourceItem.setData(0,Qt.UserRole,';'.join(newSourceData))

### it is an important part of the code 
##
def dragEnterEvent(self, event):
if event.mimeData().hasFormat('application/x-dropWidget'):
event.accept()
else:
event.ignore()

def dragMoveEvent(self, event):
if event.mimeData().hasFormat('application/x-dropWidget'):
event.accept()
else:
event.ignore()
#

def dropEvent(self, event):
QTreeWidget.dropEvent(self, event)
if event.mimeData().hasFormat('application/x-dropWidget'):
event.accept()
data = event.mimeData().data('application/x-dropWidget')
stream = QDataStream(data, QIODevice.ReadOnly)
text = str(stream.readQString())
if text:
item = self.itemAt(event.pos())
self.addItems(text, item)
self.parent.updateList()

def startDrag(self, dropActions):
data = QByteArray()
stream = QDataStream(data, QIODevice.WriteOnly)
stream.writeQString('')
mimeData = QMimeData()
mimeData.setData('application/x-dropWidget', data)
drag = QDrag(self)
drag.setMimeData(mimeData)
drag.exec_()

def mousePressEvent(self,event):
if  event.button() == 1:
self.setDragDropMode(QAbstractItemView.DropOnly)
QTreeWidget.mousePressEvent(self, event)
elif event.button() == 4:
self.setDragDropMode(QAbstractItemView.InternalMove)
QTreeWidget.mousePressEvent(self, event)

def mouseReleaseEvent(self, event):
self.setDragDropMode(QAbstractItemView.InternalMove)
QTreeWidget.mouseReleaseEvent(self, event)

#MAIN WIDGET
class dropWidget(QMainWindow):
def __init__(self, parent = None):
QMainWindow.__init__(self)
self.resize(516, 282)
self.centralwidget = QWidget(self)
self.horizontalLayout = QHBoxLayout(self.centralwidget)
self.treeWidget = treeWidgetClass(self)

[Maya-Python] Re: Drop indicator and drag pixpam not work after reimplement dragMoveEvent and dragEnterEvent.

[Paul Winex]

This problem i have in my plugin http://vimeo.com/56110331

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Re: [Maya-Python] getUV and getUVAtPoint returning wierd results.

[Paul Winex]

Use API:

import maya.OpenMaya as om
selection = om.MSelectionList()
om.MGlobal.getActiveSelectionList( selection )
iter = om.MItSelectionList( selection, om.MFn.kMesh )
dagPath = om.MDagPath()
if iter:
while not iter.isDone():
iter.getDagPath( dagPath )
meshFn = om.MFnMesh(dagPath)
#Get UVSets for this mesh
UVSets = []
status = meshFn.getUVSetNames( UVSets )
#Get all UVs for the first UV set.
u = om.MFloatArray()
v = om.MFloatArray()
meshFn.getUVs( u, v, UVSets[0] )
print u
print v
iter.next()

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[Maya-Python] Re: how to drag and drop an icon from pyqt4 gui to maya shelf ?

[Paul Winex]

I tried to do it many times in many ways. Maya ignores my drag. If you have a 
working code, please show it! What data should be placed in qdrag?

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[Maya-Python] Re: how to drag and drop an icon from pyqt4 gui to maya shelf ?

[Paul Winex]

I have created a custom htpershade. I need to assign materials with dnd to 
viewport and textures to the AE.

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[Maya-Python] Re: copy mesh by points

[Paul Winex]

среда, 24 апреля 2013 г., 3:17:49 UTC+4 пользователь vux написал:
 I have one meshData and pointsArray.
 I need copy mesh from meshData by points in pointsArray and have reult 
 meshData with all copied polygons.
 Need fast solution.

http://somesanctus.blogspot.ru
soudce code included

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[Maya-Python] Re: copy mesh by points

[Paul Winex]

среда, 24 апреля 2013 г., 3:17:49 UTC+4 пользователь vux написал:
 I have one meshData and pointsArray.
 I need copy mesh from meshData by points in pointsArray and have reult 
 meshData with all copied polygons.
 Need fast solution.
Я забыл, ты не любишь читать исходники чужие:)

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[Maya-Python] Re: copy mesh by points

[Paul Winex]

среда, 24 апреля 2013 г., 3:17:49 UTC+4 пользователь vux написал:
 I have one meshData and pointsArray.
 I need copy mesh from meshData by points in pointsArray and have reult 
 meshData with all copied polygons.
 Need fast solution.

Конечно можешь пересилить себя и попросить исходники, но можно и попросить 
конкретные куски кода у Алексея http://somesanctus.blogspot.ru/ . У меня тоже 
есть подобные штуки но проще.

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[Maya-Python] Re: Attach a Maya popupMenu to a QPushButton

[Paul Winex]

This is not a solution but maybe help
http://www.djx.com.au/blog/2008/03/13/user-marking-menu-hot-keys/


from PyQt4.QtCore import *
from PyQt4.QtGui import *
from sip import wrapinstance
import maya.OpenMayaUI as omui
import maya.mel as mel
import maya.cmds as cmds

qMayaWindow = wrapinstance(long(omui.MQtUtil.mainWindow()), QObject)
for bb in qMayaWindow.findChildren(QPushButton, 'my_mmButton'):
bb.setParent(None)


class mmButton(QPushButton):
def __init__(self, parent = None):
QPushButton.__init__(self)
self.setObjectName('my_mmButton')
self.setText('MENU')

def mousePressEvent(self, event):
panel = cmds.getPanel(up=1)
if cmds.popupMenu('tempMM', exists=1):
cmds.deleteUI('tempMM')
if not cmds.control(panel , ex=1):
panel = viewPanes
cmds.popupMenu('tempMM', button=1, ctl=0, alt=1, sh=0, 
allowOptionBoxes=1, parent=panel, mm=1) 
cmds.menuItem('menuEditorMenuItem1',
label=Graph Editor,
divider=0,
subMenu=0,
tearOff=0,
command='mel.eval(GraphEditor)',
altModifier=0,
optionModifier=0,
commandModifier=0,
ctrlModifier=0,
shiftModifier=0,
optionBox=0,
enable=1,
data=0,
radialPosition=NW,
allowOptionBoxes=1,
postMenuCommandOnce=0,
enableCommandRepeat=1,
image=menuIconWindow.png,
echoCommand=0,
annotation=Graph Editor,
italicized=0,
boldFont=1)

cmds.menuItem('menuEditorMenuItem3',
label=Hypershade ,
divider=0,
subMenu=0,
tearOff=0,
command='mel.eval(HypershadeWindow)' ,
altModifier=0,
optionModifier=0,
commandModifier=0,
ctrlModifier=0,
shiftModifier=0,
optionBox=0,
enable=1,
data=0,
radialPosition=NE ,
allowOptionBoxes=1,
postMenuCommandOnce=0,
enableCommandRepeat=1,
image=menuIconWindow.png ,
echoCommand=0,
annotation=Hypershade ,
italicized=0,
boldFont=1)

QPushButton.mousePressEvent(self, event)

def mouseReleaseEvent(self, event):
if cmds.popupMenu('tempMM', exists=1):
cmds.deleteUI('tempMM')
QPushButton.mouseReleaseEvent(self, event)

b = mmButton(qMayaWindow)
b.show()

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Re: [Maya-Python] MayaPy Cython Import Error

[Paul Winex]

I have solution!

1. You need to build cython locally. Install correct VS Libraries. For 
example Maya2018 require VS v14. You need to install Individual component 
and select some C++ build tools v14 and Windows SDK.
2. Install cpython for maya without binary, pip must build it on you local 
machine
Command: 
set LIB=\Maya2018\lib
\Maya2018\bin\mayapy.exe -m pip install cython --no-binary :all:
LIB variable is path to file python27.lib

Now cython is installed, you can try to compile with command from this 
example https://gist.github.com/nrtkbb/5b65d2f5ed42bd9947b5
mayapy.exe setup.py build_ext --inplace


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Re: [Maya-Python] MayaPy Cython Import Error

[Paul Winex]

Oh, i forgot one thing.
You need to copy source files form *MayaXXX\include\python2.7* to 
*Maya\Python\include*

суббота, 1 февраля 2020 г., 23:57:24 UTC+3 пользователь Paul Winex написал:
>
> I have solution!
>
> 1. You need to build cython locally. Install correct VS Libraries. For 
> example Maya2018 require VS v14. You need to install Individual component 
> and select some C++ build tools v14 and Windows SDK.
> 2. Install cpython for maya without binary, pip must build it on you local 
> machine
> Command: 
> set LIB=\Maya2018\lib
> \Maya2018\bin\mayapy.exe -m pip install cython --no-binary :all:
> LIB variable is path to file python27.lib
>
> Now cython is installed, you can try to compile with command from this 
> example https://gist.github.com/nrtkbb/5b65d2f5ed42bd9947b5
> mayapy.exe setup.py build_ext --inplace
>
>
>

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Re: [Maya-Python] MayaPy Cython Import Error

[Paul Winex]

Yes, is alternative)))

понедельник, 3 февраля 2020 г., 22:26:05 UTC+3 пользователь Robert White 
написал:
>
> You don't need to copy the files to a new include folder, instead you want 
> to just make sure the folder is on the `INCLUDE` environment variable.
> So much like you did for LIB, you'd do `set 
> INCLUDE=%INCLUD%;path_to_maya\include\python2.7`
>
>
> On Monday, February 3, 2020 at 3:47:17 AM UTC-6, Paul Winex wrote:
>>
>> Oh, i forgot one thing.
>> You need to copy source files form *MayaXXX\include\python2.7* to 
>> *Maya\Python\include*
>>
>> суббота, 1 февраля 2020 г., 23:57:24 UTC+3 пользователь Paul Winex 
>> написал:
>>>
>>> I have solution!
>>>
>>> 1. You need to build cython locally. Install correct VS Libraries. For 
>>> example Maya2018 require VS v14. You need to install Individual component 
>>> and select some C++ build tools v14 and Windows SDK.
>>> 2. Install cpython for maya without binary, pip must build it on you 
>>> local machine
>>> Command: 
>>> set LIB=\Maya2018\lib
>>> \Maya2018\bin\mayapy.exe -m pip install cython --no-binary :
>>> all:
>>> LIB variable is path to file python27.lib
>>>
>>> Now cython is installed, you can try to compile with command from this 
>>> example https://gist.github.com/nrtkbb/5b65d2f5ed42bd9947b5
>>> mayapy.exe setup.py build_ext --inplace
>>>
>>>
>>>

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Re: [Maya-Python] MayaPy Cython Import Error

[Paul Winex]

Hi!
Has anyone been able to compile with cython successfully?
I use Win10, Maya 2019-2020, same problem(

пятница, 18 мая 2018 г., 4:37:13 UTC+3 пользователь Lokesh Kumar написал:
>
> Hi Ruchit,
>
> Even after following all the steps which you have mentioned above, i am 
> still getting the same error.. Can you please help me figure out this thing.
>
>
>
> 
>
> I am using Maya2015 64bit and the mayapy version is " *Python 2.7.3 
> (default, May  8 2013, 09:43:48) [MSC v.1700 64 bit (AMD64)]  "*
>
> *cython was installed successfully *
>
>
> 
>
>
>
>
>
> On Friday, December 1, 2017 at 11:32:40 PM UTC+5:30, Ruchit Bhatt wrote:
>>
>> Using below code i am able to convert *.py to *.pyd. And script editor 
>> are also importing properly. Now tell me how to extract *.egg ? so that i 
>> can use cython without
>> sys.path.append...Will do more test with PyQt/Pyside. I hope it will work 
>> fine. 
>> Thank you
>>
>> import sys
>> sys.path.append("C:\Program 
>> Files\Autodesk\Maya2017\Python\Lib\site-packages\Cython-0.27.3-py2.7-win-amd64.egg"
>> )
>>
>> import cython
>> from distutils.core import setup
>> from distutils.extension import Extension
>> from Cython.Distutils import build_ext
>>
>> setup(
>> cmdclass = {'build_ext': build_ext},
>> ext_modules = [
>> Extension("randomNumber", ["randomNumber.pyx"]),
>> Extension("additionNumber", ["additionNumber.pyx"]),
>> ]
>> )
>>
>>
>>

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