Good day.
My name is Igor Mironchik. I live in Belarus. After graduating I worked
as a programmer in the company Intervale. Everything was just
wonderful. I had a good salary, a wonderful team. But in March 2010 I
had to resign from the company. And from that moment my life went on
down
Here is very simple command line arguments parser.
Look at it: http://code.google.com/p/qtargparser/
This project needs you donations.
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code in the branch. Where is it placed?
I'd recommend to support Igor Mironchik instead, since it's for Qt 4,
which we will be using for a long time (Qt 5 doesn't work in KDE.)
I hope that QtArg will work with Qt 5 also. If you have any proposals
then write to me I will add them to QtArg.
I just
Hi,
can anybody explain me why QtCreator (qmake too) couldn't find .pro file
in subdirrectory?
QtCreator said that there is no .pro file in qlistview_client
subdirectory. When
samples.pro is:
TEMPLATE = subdirs
SUBDIRS = server \
qlistview_client
And there is
Hello again.
I forgot to add that I use Qt 4.7.4 and MSVC 10.0
Hello.
In the attachement you can find test applications. All applications
(server and client) are one-thread apps.
But something going stange in the server. I specially added QMutex to
ServerSocket and when
client
I'm playint with this issue. And notice that the problem is not played
too often.
Sometimes slotDisconnected() not invoked in general. What is problem too.
But when he invoked I have stable dead-lock. What is the reason? App is
one-threaded.
Hello.
In the attachement you can find test
Hi
Look at your backtrace and figure out what the other lock point was.
But just imagine a situation in which the potential for double locking
in a one-threaded environment is posiible.
It is not possible at all. But I see that when executing
ServerSocket::doThis() sometimes method
Hello.
Is it safe to write in to the QTCPSocket from the different threads if
socket is protected with mutex?
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Hi,
Is it possible to say in QMake projects that when changes appears in the
library then all targets, depended on that library, must rebuilded?
Because at this time I see that when I change something in the library
then recompilation occur only on that library, and all targets that
links to
Hi,
Have a look at:
http://qt-project.org/doc/qt-4.8/qmake-variable-reference.html#pre-targetdeps
Hope it helps
Thanks. It helps.
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QtConfFile - it's C++/Qt library for reading and saving configuration
files in a special format.
Configuration file format is a set of tags, which are surrounded by
curly brackets, with values. Tags can be without values, can have one,
and can have several values. A sample configuration file
Hi.
QtConfFile - it's C++/Qt library for reading and saving configuration
files in a special format.
Configuration file format is a set of tags, which are surrounded by
curly brackets, with values. Tags can be without values, can have one,
and can have several values. A sample configuration
Why not use QSettings with this format as a custom format add in?
Because not all nested structures can be described using
QSettings::SettingsMap. I thought about it but came to the opinion that
it's not so good idea.
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16.10.2012 16:15, Sensei пишет:
This is quite easy: I want to start a thread that never ends.
Just call exec() in your run() method. And it will start event loop that
will work untill you call exit() or quit() in you thread. And don't
forget to start() your thread.
Once in a while, when the
Hi.
I need some functionality to wait for a specific signal was emitted from
another thread.
I have QObject that works on his thread. From another thread I
asynchronously provoke some method in this QObject. And then I need
blocking mechanism that will wait untill this QObject will emit some
Hi.
You can check this:
1) Are you sure you do not have CONFIG += console somewhere?
I'm abolutely sure. There is no CONFIG += console in my project files
within my app.
2) Go to the Projects view, look at run settings in your kit. There
is a checkbox Run in terminal which activates a
I write an application.
The common definitions in the project file are:
TEMPLATE= app
TARGET= application
DESTDIR= ..
QT += core gui network sql widgets
CONFIG+= windows
But when I run application I see the console (command prompt) window
within my application. Why?
I use Qt 5.1.0,MSVC2012,
I write an application.
The common definitions in the project file are:
TEMPLATE= app
TARGET= application
DESTDIR= ..
QT += core gui network sql widgets
CONFIG+= windows
But when I run application I see the console (command prompt) window
within my application. Why?
I use Qt
Hi.
I wrote simple test application that reproduse my problem.
The problem is in QScopedPointer at exit point
inline T *data() const
{
return d;
}
method.
Here is call stack:
Qt5Widgetsd.dll!QScopedPointerQObjectData,QScopedPointerDeleterQObjectData
::data() Line 132C++
The problem is in QScopedPointer at exit point
I don't think this has something to do with the QScopedPointer.
The QApplication is object is destroyed before the static instance of
your MainWindow is.
The QWidget destructor however needs a QApplication instance (see
stack frame #3).
But
you help me? Thanks.
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???
It would be nice if this behavior can be configured.
On 10/08/2013 11:57 AM, Igor Mironchik wrote:
Hi. In the attachement you can find simple application where you can
test it...
Thanks for help.
On previous versions of Qt moving first column in QTreeView worked.
But when I updated Qt
09.10.2013 10:03, Vadim Peretokin пишет:
I can confirm this problem - please share the bug URL you file.
I reported a bug but I'm no sure that it's a bug...
https://bugreports.qt-project.org/browse/QTBUG-33974
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emitted four times. Why?
What am I doing wrong?
Thanks.
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(0x0)) 0 -1
SORT QModelIndex(-1,-1,0x0,QObject(0x0)) 0 0
SORT QModelIndex(-1,-1,0x0,QObject(0x0)) 1 1
SORT QModelIndex(-1,-1,0x0,QObject(0x0)) 2 2
I've inserted three rows only but rowsInserted emitted four times. Why?
What am I doing wrong?
Thanks.
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value defined with it.
Now user can type --arg value1, value2, value3 instead of
--arg value1 --arg value2 --arg value3. And commas are optional.
* Some another minor fixes.
http://igor-mironchik.host56.com/projects/qtarg.html
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Igor Mironchik.
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remained unchanged. And I want to not to change positions
of items on resize window.
How to solve this problem?
Thanks.
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to solve this problem?
Thanks.
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?
Thanks.
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Hi.
I've implemented QGraphicsItem and want to receive mouseReleaseEvent.
I've reimplemented mouseReleaseEvent virtual method but he doesn't invoked.
Why?
I've checked this method with QGraphicsScene and there he works but not
in QGraphicsItem.
Why again?
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checked this method with QGraphicsScene and there he works but
not in QGraphicsItem.
Why again?
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#include QApplication
#include QGraphicsScene
#include QGraphicsView
#include QGraphicsItem
#include QMainWindow
class Item
: public QGraphicsItem
{
public
On Saturday 02 November 2013 23:21:24 Igor Mironchik wrote:
By default QGraphicsItem must be movable by mouse but he doesn't...
What does the Qt documentation state about the default value for
QGraphicsItem::flags()?
Ops, That is what I was looking for... Sorry.
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doing wrong?
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dropEvent on dropping and cursor shows that my
view doesn't accept drop.
Why? What am I doing wrong?
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#include QApplication
#include QGraphicsView
#include QGraphicsScene
#include QMainWindow
#include QDragEnterEvent
#include
Hi guys,
Does anybody know when Qt 5.2.0 will be released?
Thanks.
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Hi.
Does anybody know when MSVC 2013 will be supported by Qt? Which version?
Thanks.
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Hi.
Why default configuration and compile steps doesn't build WebKit in Qt
5.2.0 on Windows with MSVC 2013?
How can I build WebKit with MSVC 2013?
qmake nmake, is it enought?
Thanks.
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Hi.
Does anybody have experience with building Qt 5.2.0 for Android on Windows?
Can that give instructions for it...
Thanks.
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^
compilation terminated.
builtin: recipe for target 'qarraydata.o' failed
mingw32-make: *** [qarraydata.o] Error 1
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.
builtin: recipe for target 'qarraydata.o' failed
mingw32-make: *** [qarraydata.o] Error 1
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:328:23: error: '_pclose' was not declared
in this scop
e
QT_PCLOSE(proc);
^
How can I fix it? Thanks.
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On terça-feira, 17 de dezembro de 2013 09:01:07, Igor Mironchik wrote:
..\shared\qmakeglobals.cpp:324:85: error: '_popen' was not declared in
this scope
+ QLatin1String(
-query)).toLocal8Bit()
, r)) {
^
..\shared\qmakeglobals.cpp:328:23: error
On terça-feira, 17 de dezembro de 2013 09:50:19, Igor Mironchik wrote:
The problem is that that in stdio.h _popen() and _pclose() defined under
the #ifndef __STRICT_ANSI__.
And -std=c++0x option defines __STRICT_ANSI__.
And I just yesterday installed mingw with online installer...
Must
Hi.
I've tried hellogl_es2 example on Android device and he died immediately
after launching.
Is it a bug? Who knows?
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On terça-feira, 17 de dezembro de 2013 21:16:02, Igor Mironchik wrote:
Hi.
I've tried hellogl_es2 example on Android device and he died immediately
after launching.
Is it a bug? Who knows?
Who died? The device?
Sorry. Not the device. The example died...
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Hi.
Can anybody explain me the difference between QPanGesture and QSwipeGesture.
I understand difference in the classe's interfaces but I can't
understand the difference in the user's actions to trigger them.
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Hi.
I created a bug but it unassigned for a month...
Vote: https://bugreports.qt-project.org/browse/QTBUG-34733
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Hi.
Is it possible to set version of the application and icons for Android
app in the project file?
If so then how?
Thanks.
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and I can implement AnroidManifest.xml
by myself in project and additional information about Qt will be added
to the final AnroidManifest.xml?
On Fri, Dec 20, 2013 at 2:45 PM, Igor Mironchik
igor.mironc...@gmail.com mailto:igor.mironc...@gmail.com wrote:
Hi.
Is it possible to set
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and
.pro file for this library.
And my question is how to tell in app's .pro file to build this lib?
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the list at
interest-ow...@qt-project.org mailto:interest-ow...@qt-project.org
When replying, please edit your Subject line so it is more specific
than Re: Contents of Interest digest...
Today's Topics:
1. Adding extra target to pro file (Igor Mironchik
) );
g.setColorAt( 1.0, QColor( 50, 50, 60 ) );
p-setPen( QPen( QBrush( g ), 1.0 ) );
p-drawLine( 1, 2, 1, opt.rect.height() - 2 );
But this draws line with average color of gradient: QColor( 105, 105, 115 )
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Hi.
Is it correct that QColor( Qt::black ).lighter() returns the same black
color?
For this line of code:
qDebug() QColor( Qt::black ) QColor( Qt::black ).lighter();
I receive next output:
QColor(ARGB 1, 0, 0, 0) QColor(ARGB 1, 0, 0, 0)
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Hi.
Hello,
Very nice!
Are you working on more widgets?
I have plans for more widgets. And they will be implemented soon.
On Fri, Jan 17, 2014 at 5:41 PM, Igor Mironchik
igor.mironc...@gmail.com mailto:igor.mironc...@gmail.com wrote:
Hi.
I'm developing QtMWidgets library now
on me...
Thanks.
https://code.google.com/p/qtmwidgets/
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fix it now.
Fixed...
Br,
Alessandro
From: interest-bounces+alessandro.portale=digia@qt-project.org
[interest-bounces+alessandro.portale=digia@qt-project.org]
on behalf of Igor
/qwindows.dll...
But when I launch my app on the macine that doesn't have Qt installed I
receive following error:
This application failed to start because it could not find or load the
Qt platform pluginwindows. Reinstalling the application may fix this
problem.
Thanks.
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:
This application failed to start because it could not find or load the
Qt platform plugin windows.
Available platform plugins are: minimal, offscreen, windows.
Reinstalling the application may fix this problem.
What wrong now?
On Fri, Jan 24, 2014 at 2:33 PM, Igor Mironchik
igor.mironc
#commitorrollback()
qthelp://org.qt-project.qtsql.520/qtsql/qsqldatabase.html#rollback,
the commit or rollback will fail. SeeisActive
qthelp://org.qt-project.qtsql.520/qtsql/qsqlquery.html#isActive() for
details.
Does the SQLite driver has that pain?
Thanks.
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Hi Igor,
On 26-Jan-14 4:29 PM, Igor Mironchik wrote:
I have some questions about database support in Qt 5.
First of all, is it safe to transfer a QSqlQuery instance from one
thread to another to process him in another thread. I.e. I want to
execute SELECT query on DB thread and return
Igor Mironchik schreef op 26-1-2014 16:29:
Hi.
I have some questions about database support in Qt 5.
First of all, is it safe to transfer a QSqlQuery instance from one
thread to another to process him in another thread. I.e. I want to
execute SELECT query on DB thread and return
Hi.
Is it possible to paint on child widget from parent's paintEvent()?
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?!
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29.01.2014, 14:43, Igor Mironchik igor.mironc...@gmail.com:
Hi.
I'm implementing AbstractScrollArea and ScrollArea for QtMWidgets library.
Almost all have been done except painting scroll indicators.
The problem is that that I can't draw on child widget. I installed event
filter
Hi.
How to force layout to update geometries of items in it if some items changed
theirs sizeHint property?
For example if I rotate rectangle I want layout to update geometry of this
rectangle.
I’ve tried:
layout-invalidate();
layout-update();
But with no success.
Hi.
I’m implementing custom layout for some widget. And I have problem.
In my implementation of the widget and layout itemAt never used, so I
implemented it very simple and always return 0.
But in debug mode something call this method. What it can be?
P.S. Calls never stops.
I have to say that count() returns 0 always too...
Is it normal practice?
From: Igor Mironchik
Sent: Monday, August 04, 2014 10:44 PM
To: interest@qt-project.org
Subject: Custom layout
Hi.
I’m implementing custom layout for some widget. And I have problem.
In my implementation of the widget
Hi.
I found that if in setGeometry() method call hide() or show() on widgets inside
layout then this leads to recursion of layout.
What do you think on this problem? May be it is good suggestion to Qt
developers to remove this recursion, because of it is sometimes useful to hide
some widgets
Hi.
What can broke lupdate in the attached file with the following error:
log_event_view_model.hpp:134: Excess closing brace in C++ code (or abuse of the
C++ preprocessor)
???
/*!
\file
\author Igor Mironchik (igor.mironchik at gmail dot com).
Copyright (c) 2012
I’ve found the problem.
The problem is on line 39
#include Globe/Core/log.hpp
there should be space after #include.
From: Igor Mironchik
Sent: Tuesday, August 12, 2014 10:43 AM
To: interest@qt-project.org
Subject: What can broke lupdate?
Hi.
What can broke lupdate in the attached file
Hi.
I want to move write to DB operation to another thread (from the GUI thread).
And I implemented the following QRunnable:
SourcesLogWritter//class SourcesLogWritter : public
QRunnable{public:SourcesLogWritter() { setAutoDelete(
false ); } void
Hi.
Well, but with SQLite this approach works...
-Original Message-
From: Sze Howe Koh
Sent: Monday, August 18, 2014 12:57 PM
To: Igor Mironchik
Subject: Re: [Interest] QThreadPool writing to the DB
Hi Igor,
On 18 August 2014 14:26, Igor Mironchik igor.mironc...@gmail.com wrote:
Hi
Hi,
seems that with Qt all is OK.
Look at the pcap file...
-Original Message-
From: Thiago Macieira
Sent: Monday, September 01, 2014 9:54 AM
To: interest@qt-project.org
Subject: Re: [Interest] Very interesting problem with TCP sockets
On Monday 01 September 2014 09:37:12 Igor
Hi,
how to define macro in “parent” .pro file that it will take effect for all
sub-projects?
DEFINES += SOME_MACRO
in “parent” .pro file does not take effect for sub-projects...
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On Monday 01 September 2014 12:24:38 Igor Mironchik wrote:
Hi,
seems that with Qt all is OK.
Look at the pcap file...
Agreed. It looks like the first 86 connections worked fine. The 87th
crashed.
--
Thiago Macieira - thiago.macieira (AT) intel.com
Software Architect - Intel Open Source
Hi,
try QLayoutItem * QVBoxLayout::takeAt( int index ) and then void
QVBoxLayout::insertItem( int index, QLayoutItem * item )
...
From: Jean Richard Lima
Sent: Wednesday, September 03, 2014 11:38 PM
To: interest@qt-project.org
Subject: [Interest] How to moving widgets inside the layout
Hi
Even you don’t need keep in mind spacing. Just check is you mouse position in
QLayoutItem::geometry() and you will find the index in layout...
From: Igor Mironchik
Sent: Thursday, September 04, 2014 7:08 AM
To: Jean Richard Lima
Subject: Re: [Interest] How to moving widgets inside the layout
Hi.
In one project I use Google’s ProtoBuf for network messages. And in .pro file I
have the next lines:
PRE_TARGETDEPS += $$PWD/messages.pb.cc $$PWD/messages.pb.h
QMAKE_EXTRA_TARGETS += protobufc protobufhprotobufc.target =
$$PWD/messages.pb.ccprotobufc.depends = FORCEprotobufc.commands =
Hi.
Look at this small example. It’s not fully functional but as example it’s good
enough, I hope...
From: Jean Richard Lima
Sent: Wednesday, October 29, 2014 8:34 PM
To: Interest@qt-project.org
Subject: [Interest] Position y() of widget inside Layout
Hello!
How can I get the y () position
Hi guys,
Is it possible to use QWidget based components in QML?
What this QWidget based class have to do for it?
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Hi guys,
I've found interesting bug in QRect in Qt 5.3.2.
Look at this code:
inline void QRect::moveRight(int pos)
{
x1 += (pos - x2);
x2 = pos;
}
How it can work?
QRect( 0, 0, 10, 10 ).moveRight( 10 )
produces QRect( 1, 0, 10, 10 )...
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in your bug report, there's nothing wrong with this.
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and click on Edit button; third I did nothing
and he crashed...
Do you have the same problems?
What I have to do?
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On Wed, 10 Dec 2014 17:44:44 +0300, Koehne Kai
kai.koe...@theqtcompany.com wrote:
-Original Message-
From: interest-bounces+kai.koehne=theqtcompany@qt-project.org
[mailto:interest-bounces+kai.koehne=theqtcompany@qt-project.org]
On Behalf Of Igor Mironchik
Sent: Wednesday
)
- Launch Qt Creator without plugins that make use of QtQuick2 , and
therefore DirectX: '-noload Welcome -noload QmlDesigner -noload
QmlProfiler'
Just tested QtCreator with -settingspath C:\tmp and he crashed immediately.
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of QtCreator worked normally... Looks like a
regression.
I will try to update DirectX and Video Driver. But I'm not sure that I
have something to update...
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http
supported by QtCreator.
I have NVIDIA ION on my notebook, so I changed default video for QtCreator
to NVIDIA's and now all is ok.
Thanks for your tips.
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.
Could you create a bug report about this on bugreports.qt-project.org,
including the output of qtdiag.exe?
Thanks
Kai
What Project and Component I have to use for a bug?
I'm not sure that will point a bug to the right component...
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is not inverted.
Look at the explanation of If this property is false, is it correct or
false should be true?
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?
I.e. I want to have, for example, next method in my widget:
Something * addSomething( QObject * receiver, PointerToMemberFunction
method );
Where is PointerToMemberFunction declared, what should I include?
Thank you.
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. But this article didn't answer on my questions.
On Tue, Dec 16, 2014 at 10:49 AM, Igor Mironchik
igor.mironc...@gmail.com wrote:
Hi guys,
Qt has cool new syntax now. But some things doesn't support it yet.
For example look at QMenu::addAction. There is now overload with
PointerToMemberFunction.
And I
Hi,
On Tue, 16 Dec 2014 10:49:53 +0300, Igor Mironchik
igor.mironc...@gmail.com wrote:
I.e. I want to have, for example, next method in my widget:
Something * addSomething( QObject * receiver, PointerToMemberFunction
method );
I've answered on the second question by myself. And now I
On Tue, 16 Dec 2014 19:13:14 +0300, Thiago Macieira
thiago.macie...@intel.com wrote:
On Tuesday 16 December 2014 12:41:35 Igor Mironchik wrote:
And my question is: is it ok to use QtPrivate::FunctionPointer in my
classes?
No. That's only permitted for code that is part of Qt itself (hosted
On Tue, 16 Dec 2014 21:04:03 +0300, Thiago Macieira
thiago.macie...@intel.com wrote:
On Tuesday 16 December 2014 20:31:14 Igor Mironchik wrote:
On Tue, 16 Dec 2014 19:13:14 +0300, Thiago Macieira
thiago.macie...@intel.com wrote:
On Tuesday 16 December 2014 12:41:35 Igor Mironchik wrote
Hi.
If to show() QWidget then it will be repainted, or I should use update()
after show()?
I.e. is QWidget repainted after show() even if it was shown or not?
Thank you.
--
Best Regards,
Igor Mironchik.
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)
{
QApplication app( argc, argv );
W w;
w.show();
QTimer::singleShot( 0, w, W::start );
return app.exec();
}
#include main.moc
Slots in Qt can be virtual. But may be there some underwater stones?
What do you know/think?
Thank you.
--
Best Regards,
Igor Mironchik
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