Quoting Phil Thompson <[EMAIL PROTECTED]>:
The QImage constructor steals a reference to the uchar *data argument
instead of increasing the reference count of the input string (tested)
or buffer object (untested, but looked into siplib.c).
It is the (not very well documented) responsibility of th
Quoting Luke Kenneth Casson Leighton <[EMAIL PROTECTED]>:
I'm especially interested if I
would be able to get access to the current cursor position in edit
mode - that would allow me to use WebKit as the basis to write a very
powerful WYSIWYG text editor.
well... you can definitely get access
Quoting Luke Kenneth Casson Leighton <[EMAIL PROTECTED]>:
last month or so i added glib bindings to webkit, in order to make
them available via pygtk's codegen.py as python bindings, for
pywebkitgtk. to make that as clear as mud: around webkit's c++ DOM
bindings i added glib bindings so that i
Quoting Anil <[EMAIL PROTECTED]>:
bool QSqlRelationalTableModel::setData ( const QModelIndex & index, const
QVariant & value, int role = Qt::EditRole )
I think you should use setData(). I haven't used setModelData()
before. The usual way is like this:
- Create a new row
- Use setData() t
mir amicitas schrieb:
> With sqlite3 or apsw things are much more tolerable, though if any one has
> ideas on how to make the extraction even faster I would love to here them.
> What I am doing for now is to use:
>
> results = [row for row in self.cursor]
Try:
results = list(self.curso
Quoting Mark Summerfield <[EMAIL PROTECTED]>:
On 2008-10-08, Aaron Digulla wrote:
Scott Frankel schrieb:
> This seems beyond the scope of
> QSqlRelationalTableModel.
During my work on UPCScan, I've found that the QSqlRelationalTableModel
and the related table view are
mir amicitas schrieb:
> I am trying to use SQLite in a PyQt4 application. I am running into a
> problem where it is taking a really long time to get the data out of
> the QSqlQuery object after a query is completed. Here is a code
> snippet with the relevant parts:
>
>
alan moore schrieb:
> Hello.
> I was trying to use QWebKit to create a basic browser to use with thin
> clients at our public library. Everything was looking good, but I have
> found a URL on our server that simply will not load in a QWebview. I
> have tried this using PyQT4.4 on Ubuntu Hardy Her
Scott Frankel schrieb:
>
> This seems beyond the scope of
> QSqlRelationalTableModel.
During my work on UPCScan, I've found that the QSqlRelationalTableModel
and the related table view are too buggy and too limited to be useful.
In the end, I've ripped all the code out again and wrote my own
impl
Hello,
I've got hold of a barcode laser scanner and started to write a tool to
scan my large DVD, book and comic collection. It's written in Python and
PyQt4. The announcement can be found in my blog:
http://darkviews.blogspot.com/2008/10/upcscan-06-its-qt-man.html
If you're looking for an examp
Hello,
Is it possible to embed a UNO component (in my case: The document
editor of Writer) in a Qt app? I have a feeling that this can be done
with ActiveQt but I'm not sure.
Does anyone have any pointers how to do this?
Regards,
--
Aaron "Optimizer" Digulla a.k.a. Philmann Dark
"It's not
Quoting Alberto Berti <[EMAIL PROTECTED]>:
For who asked for pypapi docs, i'm preparing a tutorial (still to be
finished) that shows some PyPaPi features: it's here
http://www.pypapi.org/rdg/browser/docs/cute/tutorial/README.rst
The part about the table is confusing. I suggest to move it to a
Quoting Alberto Berti <[EMAIL PROTECTED]>:
I forgot to mention that:
dev news are at http://www.pypapi.org/rdg/timeline and source code and
changes browser is at http://www.pypapi.org/rdg/browser .
Is there an English version of the docs somewhere? I have a hard time
to follow the Italian on
Hello,
I was wondering: Is there a Rapid Application Development framework to
quickly write apps with PyQt?
Specifically, I'm looking for these features:
- Connect model fields (properties) to UI elements (for example,
string fields to text editors or to combo boxes).
- Connect a python li
Quoting Henrik Pauli <[EMAIL PROTECTED]>:
In my locale, the decimal separator is ',' and not '.'. If I try to
write a decimal separator in a QDoubleSpinBox via the '.' button in the
numeric pad, the spinbox doesn't accept the value and I have to hit the
',' button under the 'k' key. This happens
Phil Thompson schrieb:
> On Thursday 08 May 2008 21:08:42 Aaron Digulla wrote:
>> When I run python examples/activeqt/webbrowser/webbrowser.py, I get this
>> error with the latest snapshot:
>>
>> Traceback (most recent call last):
>> File "examples/activeqt/
When I run python examples/activeqt/webbrowser/webbrowser.py, I get this
error with the latest snapshot:
Traceback (most recent call last):
File "examples/activeqt/webbrowser/webbrowser.py", line 22, in
from PyQt4 import QtCore, QtGui, QAxContainer
ImportError: cannot import name QAxContain
Hello,
I'd like to ask if it is possible to install PyQt 4.3 and 4.4
alongside each other on Windows before I try and wreck my 4.3 install.
If so, anything I must pay special attention to?
Regards,
--
Aaron "Optimizer" Digulla a.k.a. Philmann Dark
"It's not the universe that's limited, it'
Quoting Håkon Bertheussen <[EMAIL PROTECTED]>:
Hi,
I'm just getting started with PyQt, trying to implement a fairly complex
widget in python. Unfortunately, it cannot easily be painted using
higher level drawing primitives, meaning that I have to set individual
pixels. I realize that this obvio
Jake Richards schrieb:
> Hello:
> I am looking to write just a simple drawing program that would load an
> image, and then allow me to draw and erase on top of it. I looked at the
> scribble example and it has basically everything I need except the ability
> to erase any marks I've made over the
Phil Thompson schrieb:
>> - For everything derived from QObject, connect to the dispose signal.
>> At this time, save a stack trace and a pointer to the Python handle
>> associated with the QObject
>> - When the signal is emitted, make sure that the usage count of the
>> corresponding Python objec
Quoting Phil Thompson <[EMAIL PROTECTED]>:
As Qt v4.4 has been released a little earlier than I was expecting I'm
dropping plans for a PyQt v4.3.4 release.
The current snapshot has been updated for the final Qt v4.4. I need to finish
the new support for QMetaObject.invokeMethod() and expect to
Wildemar Wildenburger schrieb:
>>> I'm trying to write a notecard application, somewhat in the vein of
>>> Evernote --- basically a succession of little textboxes, one per note,
>>> stacked above one another. To that end I'd like a QTextEdit (or similar)
>>> that adjusts its height (with given wid
Wildemar Wildenburger schrieb:
> Hello folks,
>
> I'm trying to write a notecard application, somewhat in the vein of
> Evernote --- basically a succession of little textboxes, one per note,
> stacked above one another. To that end I'd like a QTextEdit (or similar)
> that adjusts its height (with
Quoting David Boddie <[EMAIL PROTECTED]>:
You could port the C++ Editable Tree Model example from the Qt package,
but that might not be dynamic enough for your purposes.
Another example of the model/view classes in Python is the PyPI Browser
application I started writing almost two years ago(!)
Hello,
I'm trying to implement a tree model which displays a complex
tree-like structure. The structure has no idea of the tree model and
I'd like to keep it that way. When the structure changes (elements
added, modified or removed), they send signals so I can update the
tree model.
Thi
Quoting Dusan Zatkovsky <[EMAIL PROTECTED]>:
I have tried "print repr ( html )" and it prints strange charracters (
<\x00h\x00t\x00m\x00l\x00>\x00<\x00h ... ). Couldn't be problem there?
Yup. The 0-byte (\x00) is the "end of text" character. The zero bytes
come from unicode. It seems that yo
Dusan Zatkovsky schrieb:
> Hi there.
>
> I have problem with QTextBrowser. I am writing db app, which (basically) asks
> user for some rich text ( using dialog with QTextEdit ), then it receives
> that text as html ( doc = self.ui.textEdit.document(), text =
> doc.toHtml() ). That html is conv
Hal Glenn schrieb:
> OK, I ended up following David's example completely, at first we had
> tried with newer versions of Python QT sip etc but each one possessed a
> problem so we dropped back to using David's work almost word for word,
> accept in order to cross compile Python we had to edit it's
Gregor Kling schrieb:
> I have a MainWindow of which the Centralwidget consist of a Splitter
> with more Splitters in it.
>[...]
> Now what I want is, that each QTableWidget expands its QTableWidgetItems
> to the actual size
> of its respective Splitter.
> Does anyone have a clue how to do this ?
Neil Wallace schrieb:
>> I'm trying to write a program that creates an onscreen keyboard that
>> uses an 2-analogue stick joypad for input.
1. Create a class which derives from QObject
2. Add a timer in there which calls a method to poll the joystick
3. Emit a signal in that method with the joys
Reinaldo de Carvalho schrieb:
> The objective of this thread is only dont freeze window. No concurrent
> acccess will happen to GUI components. A have a hundred of methods
> called by pushButtons or SIGNALs from Qlistview like itemChanged, that
> manipulate the GUI mainly to populate many QListVie
Reinaldo de Carvalho schrieb:
> Why is possible access GUI from any thread? This seems not to be
> allowed (Phil say "design error") but my application is running
> without problems.
That's pure chance. Eventually, your app will do something it shouldn't
and it will "suddenly" break. You simply c
Dirk Wagener schrieb:
> Hi
>
> I am using QModelIndex constructed with an id. I am using the built-in
> method
> id(my_object) to get an ID to construct a ModelIndex with.
> If we have an index, internalId() returns the id used to create the index.
> Is there a API way to get the ModelIndex from a
Quoting Martin Höfling <[EMAIL PROTECTED]>:
Here come's the problem: For each file i create a QAction object, add this to
the menu and connect it's "triggered()" signal with a python function blubb.
The problem is to distinguish from which QAction/File blubb has been called.
Any hint's how to s
Phil Thompson schrieb:
> Signals are passed to QObject's [dis]connect() and emit() methods.
> Currently,
> If the signal is invalid then no indication is provided to that effect. If a
> simple string is used instead of SIGNAL() then an invalid Qt signal will
> cause a Python exception to be
Vince Fulco schrieb:
> Dear PyQt experts-
>
> Can someone point me to a good working example of a QTableWidget with
> multiple sections built into one table. I.E. I would like to display
> raw observations, a set of summary data underneath it and a second set
> of different summary data underneat
Hello,
I posted a little praise of PyQt in my blog:
http://darkviews.blogspot.com/2008/01/portable-ui.html
Just in case someone here collects blog entries. A few days ago, I
posted a tiny trick to sort number columns:
http://darkviews.blogspot.com/2008/01/sorting-number-table-columns-in-pyqt4.h
Hello,
I'm trying to create a clone of yWriter4 (a software that aims to help
authors of stories -- sci-fi / fantasy / whatever) with Qt and I've got
pretty far but now, I'm a bit stuck and I'd like some feedback on a few
ideas.
The original application uses a RTF widget where you can mark text a
Aaron Digulla schrieb:
> Hello,
>
> Please clarify the docs
> (http://www.riverbankcomputing.com/Docs/PyQt4/pyqt4ref.html#super-and-pyqt-classes):
>
>
> Does that mean super() can't / shouldn't / mustn't be used when deriving
> from PyQt classes? What is t
Hello,
I just wanted to know what the plan regarding 4.4 is. Is there a version
of PyQt ready available for the beta releases of Qt 4.4? Or is is more
like "don't hold your breath"? ;)
Regards,
--
Aaron "Optimizer" Digulla a.k.a. Philmann Dark
"It's not the universe that's limited, it's our ima
Alberto Berti schrieb:
> Hi Aaron,
>
>>>>>> "Aaron" == Aaron Digulla <[EMAIL PROTECTED]> writes:
> >> # qui parent è in delegato, perciò parent.parent() è la #
> >> tabella view = parent.parent() index = view.currentIndex()
Peter Shinners schrieb:
>> Remember: If everyone in the world would develop software
>> the way you do, you'd be unemployed.
>
> I'm not sure how to interpret this. I hope to keep using Pyqt for a long
> time.
I'm trying to make you understand that your way of developing software
works for *you*
Peter Shinners schrieb:
> But I don't really have problems with the existing
> connect function. If we could just get rid of the SIGNAL requirement and
> pass a string argument it would get a whole lot nicer.
I've wasted several hours searching for typos so far, so I can't live
with the current s
Quoting Ewald de Wit <[EMAIL PROTECTED]>:
On Wednesday 16 January 2008 09:21:40 Aaron Digulla wrote:
As for making the API simpler, I'd opt for
button.connectClicked(self.buttonWasClicked)
Wouldn't it be nicer if the signals where attributes of your object,
so that
Quoting Peter Shinners <[EMAIL PROTECTED]>:
That's why I'm against string literals in an API. If that API doesn't
even offer any checks to string literals, that's even worse.
I'd be against using constants to define the signals. What type of value
is going to match things like "const QString&"
Peter Shinners schrieb:
> Aaron Digulla:
>> Sorry, I can't follow you here. 1) signal and slot already
>> take string arguments. This discussion is to get rid of them.
>
> I get "TypeError: argument 2 of QObject.connect() has an invalid type"
> when I try
Quoting Peter Shinners <[EMAIL PROTECTED]>:
No, but a few ideas have been thrown around on the list in the past
couple
of days.
Your suggestion is nice and concise - the dropping of SIGNAL() was
briefly
discussed during developed of PyQt4.
Allowing string arguments for the signal/slot nam
Hello,
When I select items in a list, they turn white on a blue background. How
do I determine the exact color of that blue shade?
Background: I want to implement a graphical drag&drop like the one you
have in Windows XP explorer which should feel as if you ripped the
selected item out of the lis
Martin Höfling schrieb:
[forgot to reply to the list]
> Hi all,
>
> is there a tutorial or sth which describes how to implement a custom widget
> to
> make it usable from designer?
>
> I wanna implement a simple widget consisting of a label a LineEdit (with full
> path of file) and a Butto
Giovanni Bajo schrieb:
>> I don't have a real example, but that's not the point. The point is
>> that they are different as far as Qt is concerned and so both need to
>> be able to be represented in the same class (even though the
>> programmer that designed the class needs to be shot).
>
> But g
Quoting Phil Thompson <[EMAIL PROTECTED]>:
What about...
foo(const QString &)
foo(QString *)
Can you give an example with two signals with the same name and such
parameters? I can't imagine to see that for any single class. It
*might* happen with signals from different classes but there,
Quoting Phil Thompson <[EMAIL PROTECTED]>:
I mean it is a very common mistake, even for advanced PyQt developers,
Is it?
In my projects, I'm predefining all signals and slots as python
constants and use those in connect() and emit(). a) makes the code
more reliable and b) enables code com
Quoting Henrik Pauli <[EMAIL PROTECTED]>:
But anyway: How much work would it be to have SIP generate constants
for all SIGNAL's in a class? So I could say:
self.connect(w1, w1.SOME_SIGNAL, ...)
Pro: Doesn't break old code, API, etc. No more typos (or python will
warn about a missing attri
Quoting Phil Thompson <[EMAIL PROTECTED]>:
From the documentation, I got the impression that the result of SIGNAL()
is more or less a constant. Is this code valid?
signal = SIGNAL()
self.connect(w1, signal, self.w1Clicked)
self.connect(w2, signal, self.w2Clicked)
Yes - given a corre
Hello,
>From the documentation, I got the impression that the result of SIGNAL()
is more or less a constant. Is this code valid?
signal = SIGNAL()
self.connect(w1, signal, self.w1Clicked)
self.connect(w2, signal, self.w2Clicked)
ie. can I predefine all signals in my app, save them somew
Quoting Aaron Digulla <[EMAIL PROTECTED]>:
Another wa would be to save all objects which pass through SIP in map
(QObject -> Python wrapper), connect to the destroyed(QObject) signal
and check the state when it is emitted. Does SIP notice when the python
wrapper is destroyed? If
Quoting Hans-Peter Jansen <[EMAIL PROTECTED]>:
First of all, happy new year, Phil & and PyQtnistas!
Thanks, to you, too. :)
The difference is that in C++ the effect of
the bug is a memory leak, but in PyQt it is often a crash.
This part is what bugs me, and surely caught every PyQt user in
Hello,
Please clarify the docs
(http://www.riverbankcomputing.com/Docs/PyQt4/pyqt4ref.html#super-and-pyqt-classes):
Does that mean super() can't / shouldn't / mustn't be used when
deriving from PyQt classes? What is the fix?
Maybe give an example what won't work and how to fix it or provi
Quoting Phil Thompson <[EMAIL PROTECTED]>:
I'm happy to consider ways to make this more obvious (even if it's just a
better FAQ), but I'm not happy about departing from the Qt API and
introducing inconsistencies in fundamental behaviour.
Then let me put it this way: If I wanted to care about w
Quoting Aaron Digulla <[EMAIL PROTECTED]>:
I'm talking about preventing the python class which is used as the model
being garbage collected; it doesn't matter from which Qt class it is
derived.
As it is, the class pointer is copied into the view class and then python
frees
Quoting Andreas Pakulat <[EMAIL PROTECTED]>:
I'm talking about preventing the python class which is used as the model
being garbage collected; it doesn't matter from which Qt class it is
derived.
As it is, the class pointer is copied into the view class and then python
frees the memory. That ca
Quoting Andreas Pakulat <[EMAIL PROTECTED]>:
On 06.01.08 21:13:44, Aaron Digulla wrote:
The root cause is that setModel() doesn't increment the usage counter of
the python class passed in, so Python will GC it if I don't save a
pointer elsewhere.
Thats by purpose. One reaso
Hello,
When I create a python implementation of a table model derived from
QAbstractTableModel and use that in QTableView.setModel(), I have
spurious errors afterwards: Sometimes, the redraw doesn't work,
sometimes, I can't select anything, etc.
The root cause is that setModel() doesn't increment
Phil Thompson schrieb:
>> I'm using openSUSE Linux and python-qt4 4.3-19. The methods are defined
>> in qtextcursor.sip, only insertText() is confusing:
>>
>> void insertText(const QString &text);
>> void insertText(const QString &text, const QTextCharFormat &format);
>>
>> Which one will
Hello,
I tried to overload insertText() of QTextCursor like this:
from PyQt4.QtGui import QTextEdit, QTextCursor, QApplication
import sys
class MyCursor(QTextCursor):
def __init__(self, doc):
super(MyCursor, self).__init__(
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