Layouts are actually easy to understand “I think”. š A simple explanation of layouts can be found in the QT book “C++ Gui programming with QT 2nd edition“ What you should be aware of regarding layouts and their size policies Most Qt widgets have a size policy. This size policy tells the system how the … Read more
I had the same issue, but finally got this to work. I’m using Qt 5 with the Fusion color theme: QPalette pal = button->palette(); pal.setColor(QPalette::Button, QColor(Qt::blue)); button->setAutoFillBackground(true); button->setPalette(pal); button->update(); Try these commands in the exact order as above, and if that still doesn’t work, set your theme to Fusion and try again. Good luck!
After hours of stumbling around with the same issue, Iād like to share the solution that worked for me on windows vista: using python2.6 copy the following directory into your dist directory generated by py2exe: C:\Python26\Lib\site-packages\PyQt4\plugins\imageformats I just dropped the imageformats directory directly into my dist directory, without any further modifications to qt.conf or anything … Read more
SQLite isn’t a network database, so it doesn’t have any network connection ability built into it. You would need to either: Make the SQLite DB available on a network-accessible shared drive OR Write/find an existing network server/web service for it A web application is essentially a web service. If you happen to be running a … Read more
Another option would be to start with the project file snippet in your original question, and also ensure that qmake is aware that versioning.h is a dependency for the other build targets in your project file ā Add the full path to versioning.h to your HEADERS variable. Add the folder in which versioning.h resides to … Read more
It seems the copy constructor and assignment operator are disabled. From this. No copy constructor or assignment operator QObject has neither a copy constructor nor an assignment operator. This is by design. Actually, they are declared, but in a private section with the macro Q_DISABLE_COPY(). In fact, all Qt classes derived from QObject (direct or … Read more
In addition to Troubadour’s comment, I would note that the SUBDIRS target is only good for specifying subdirectories. Therefore, your extra line of SOURCES += main.cpp in your project.pro file is incorrect, and will likely fail to build your main.cpp file, at worst. At best, qmake will refuse to parse the file, since it has … Read more
Qt 5.2 Assuming that the environment was prepared for XP targeting, and relevant XP-targeting qt5xp.patch and the bug fix qt5fixes.patch available – both from my other answer, we have to do the following: Create a separate win32-msvc2012-static and win32-msvc2012-static-xp qmake specs by copying them from qtbase/mkspecs/win32-msvc2012 and qtbase/mkspecs/win32-msvc2012-xp, respectively. Modify the qmake specs. Teach configure … Read more
Assuming Windows, you can download its installation from Win32 OpenSSL Installation Project page. You can choose one for 64-bit windows developing or for 32-bit. Just run the setup and everything will be done easily. The default installation directory is : C:\OpenSSL-Win32 In Qt creator, if you then want to link a library to your project … Read more
// remove question mark from the title bar setWindowFlags(windowFlags() & ~Qt::WindowContextHelpButtonHint);