My development box is Windows 7 x64. I have both 32-bit and 64-bit versions of Qt 4.7.4 built on my box. When I configure my app to use the 32-bit version of Qt, it runs fine in Qt Creator (ctrl-R)...

I want to set placeholder text of a QTextEdit. I know how to set it for a QLineEdit, there is a property setPlaceHolderText. But this property is not available for QTextEdit. Please give your valua...

I am deep into building a Desktop Application with QML and Qt Creator and I am currently researching keyboard handling and how it works with QML elements. I am already aware of the lack of proper Q...

I have imported a qml file say A in other qml say B. Whenever I make some changes in A , it doesn't reflect in the Application. I have to again clean and rebuild to view the changes i made, which i...

I am trying to make the menubar a gradient black colour and that works fine, except for the menu headings. Here's the stylesheet i'm using: QString styleSheet = "QMenuBar{background: qlineargrad...

In Qt Designer , you can drag a "Line" widget , which will create a line in your layout. But I checked the document and headers , I didn't find the "Line" header / widget , what was it ?

I am building a desktop app using Qt, my dev machine is win 7 x64 with japanese locale, standard system font is Meiryo. Most of win 7 UI is in this font, though classic/older programs such as ui fo...

I'm running Qt Creator 2.3.0, based on Qt 4.7.4, on Windows 7 64-bit. When I run the app from Qt Creator (ctrl+r), everything works great. However, when I debug (F5), executing each line takes fore...

I've had this code running for quite a while in a library: MyClass::MyClass() : QDialog() { // (...) setWindowFlags( Qt::CustomizeWindowHint | Qt::WindowTitleHint ); // (...) } Then, after ...

Can anyone plz help me, how to save my QtableView as a Excel File. I have a QTableView and a QPushButton (Save Button). If i enter the values in my QtableView and if i click the Save Buttton the QT...

How can i override default make parameters , which is: make -w Each time i create a project , i had to modify project settings , adding -j4 to make parameters. Can i set make -w -j4 by default ?...

I've been using QString::number () to convert numbers to string for long time , now i'm wondering if there's something better than following: int i = 0; QString msg = QString ("Loading %1").arg ...

I can change the font and font-color of a QPushButton using the StyleSheets. The Problem is that under the old Windows Theme the disabled Buttons shows a shaded font, but i dont know how to get rid...

I was digging into some source code I am working on. I found a peculiar statement that someone had coded. The source code is a GUI application with a QML GUI and uses QT 4.7.x. The snippet below b...

we are using QtWebKit 4.7 and want to know when a frame load does a redirect. At the moment we are counting the outgoing requests within a subclass of the QNetworkAccessManager, where we do overwr...