Hi Justin,
I've just seen your latest reply and wanted to say many thanks as that as
actually helped a lot and has made the road ahead much clearer.
In fact I now realise that I already understand everything else in the example
solution but seeing it contextualised with this almost trivial little example
has really helped to clarify the general approach.
Once again many thanks for your support.
Regards
Rob.
On Tuesday, 4 November 2014, 22:13, Justin Israel
<[email protected]> wrote:
Here is an example of what it might look like
from PySide import QtCore, QtGui
class BrickWallGenDialog(QtGui.QDialog):
def __init__(self, parent=None):
super(BrickWallGenDialog, self).__init__(parent)
self.setObjectName("brickGen")
self.setWindowTitle("Brick Wall Generator")
self._heightInput = QtGui.QSpinBox()
self._heightInput.setRange(1, 30)
self._lengthInput = QtGui.QSpinBox()
self._lengthInput.setRange(1, 30)
self._button = QtGui.QPushButton("Create Wall")
layout = QtGui.QFormLayout(self)
layout.addRow("Wall Height:", self._heightInput)
layout.addRow("Wall Length:", self._lengthInput)
layout.addRow(self._button)
# Connections
self._button.clicked.connect(self.brickGen)
def brickGen(self):
height = self._heightInput.value()
length = self._lengthInput.value()
print "Do brickGen with %d x %d" % (height, length)
win = BrickWallGenDialog()
win.resize(200, 100)
win.show()
On Wed, Nov 5, 2014 at 9:43 AM, 'Robert Jones' via Python Programming for
Autodesk Maya <[email protected]> wrote:
Thanks Marcus and Justin on that initial round of advice and support. Well I
happen to have recently purchased both the Rapid GUI Programming with Python
and QT book and the cmiVFX pyQT/Maya training. The book I've been dipping
into/skimming and thinking yikes theres a lot to learn and the training I've
yet to find a sustained period of time to work through end to end. So all
tooled up and no excuses really I guess - it's just a case of really applying
myself. That said….I would greatly appreciate it Justin if you could knock up
an example solution to the specific task I had in mind (i.e. accept 2 integer
inputs from the user and feed them into a python function via a button click)
and then I'll fill in all the other gaps in my current knowledge and hope to
start making more progress with this transition to QT-based Maya UI design…I
just need to get beyond the early hurdles and get up and running…I'm fine with
classes pretty much and general oops concepts, however my earlier forays into
pyQT/pySide have been a series of false starts to date with numerous technical
issues getting in the way. However, now feels like the right time to move on.
Thanks again for your advice and support so far.
Regards
Rob.
On Monday, 3 November 2014, 18:43, Justin Israel <[email protected]>
wrote:
Hey Rob
One of the important concepts to have down when getting into Qt is classes. If
you understand those, then you should be good to go.
The approach you would take is to create a QDialog subclass. This will have
some kind of layout attached, such as a QFormLayout.
Then you will add QLabel and QSpinBox instances for your width and height. And
then a QPushButton. All of these should be member attributes of the QDialog.
Qt uses signal/slot communication. You would create a method on your subclass
that would perform the wall building when called. It should look at the member
QSpinBox instances to grab their current int values. Then you connect your push
button clicked signal to your builder method. All of the widget setup and
connection happens in the constructor of your class.
Then you will have this complete QDialog subclass that can be created and
shown.
I could write out an example, but if you are only just getting started, it may
be best to grab a book or watch a video (I have a PyQt training video at
cmiVfx), as the example would most likely lead to a bunch of extra
getting-started questions covered in training material
- justin
On Tue, 4 Nov 2014 2:22 AM rob lee Jones <[email protected]> wrote:
Hi there,
This is a question to the community at large for some fastrack help in
converting a simple tutorial.exercise 'wall builder' script written in python
using Maya's native UI functionality to one that deploys Pyside instead.
I'm aware that there is a growing repository of intro to PySide in Maya type
tutorials...but they don't seem to go much beyond the very first 'hello world'
button push. I'm happy to stand corrected on this observation by the way.
So here's a little exercise I would like to convert as a way of understanding
how user input can be captured and used inside a python function.
If anyone can knock up a solution which I imagine would be real quick if you
are already fluent with pyQT/PySide it would be most appreciated.
Basically the script below accepts two integers from the User (width, height of
wall to be built) and when the 'create wall' button is pushed these values are
then passed to a python function that uses them to generate the wall of the
required dimensions.
I've started to look through the docs but was hoping to get a heads up from
anyone that is willing to shed light on how to do this in PySide.
Here's the original python script with native Maya UI functionality to be
converted to using PySide instead....
import maya.cmds as cmds
if cmds.window("brickGen", exists=True):
cmds.deleteUI( "brickGen")
window = cmds.window("brickGen", title = "Brick Wall Generator")
cmds.columnLayout()
cmds.intField("wallHeight", minValue=1, maxValue=30, value=1)
cmds.intField("wallLength", minValue=1, maxValue=30, value=1)
cmds.button(label="create wall", command="brickGen()")
def brickGen():
# question ....how to do the next two lines or equivalent in PySide.....
col = cmds.intField("wallHeight", q=True, value=True)
row = cmds.intField("wallLength" , q=True, value=True)
i=0
j=0
offset=-1.5
brickHeight=1
while i < col:
h= brickHeight*i
if (i%2==0):
print 'even brick'
while j < row:
cmds.polyCube(w=1,h=1,d=3)
cmds.move(3*j, z=True, r=True)
cmds.move(h, y=True, r=True)
j+=1
else:
print 'odd brick'
while j < row:
cmds.polyCube(w=1,h=1,d=3)
cmds.move(3*j, z=True, r=True)
cmds.move(h, y=True, r=True)
cmds.move(offset,z=True,r=True)
j+=1
i+=1
j=0
cmds.showWindow()
Thanks in advance to anyone for any help with this request.
Regards
Rob.
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