qt4

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How to double buffering a WebKit page using QWebView and PySide?

I am playing with PySide开发者_StackOverflow社区 and QWebView to provide a WebKit version of a webapp on Windows.[详细]

2023-04-02 05:58 分类：问答
Adding slots to automatically created menu items

I have an existing menu called save and in it i want to add two menus,Save New and Save Edits. QMenu *menu = new QMenu(this);[详细]

2023-04-02 05:25 分类：问答
"Cannot find -lqjpeg" error when compiling static QT application

I am trying to compile a (Windows) QT application in static (release configuration) mode using Nokia\'s QT Creator. I compiled QT itself statically as per standard instructions here. However, despite[详细]

2023-04-02 00:12 分类：问答
HowTo create model/view QTableView with custom (non-editable) delegates?

Here is what I\'m trying to get ( this is a QTableView widget + MVC based on QAbstractTableModel with multiply delegates ):[详细]

2023-04-01 13:57 分类：问答
Qt force QCheckBox to emit signal on setChecked

If I called QCheckBox::se开发者_Python百科tChecked( x ) the toggled signal is only emitted if x is not the same as the current checkbox state. I understand the logic behind this, to avoid signaling if[详细]

2023-04-01 05:42 分类：问答
Qt with XComposite problem

I\'m trying to write a simple program, which redirects all the windows to the backbuffer( as the composite manager does ), then write them to pixmap and save to disk. But I got this error:[详细]

2023-04-01 02:34 分类：问答
How do I know if my Widget is obscured by another application or visible to the user?

Create a new widget, show it, and hide it behind another application. Is there a way to find out if the widget is visible to the user?[详细]

2023-03-31 20:32 分类：问答
Qt4 on Symbian: QSymbianLeaveException(KErrAlreadyExists) in (all) applications with text rendering

Hello and good day to you. Recently I decided to try building C++/Qt4 applications for symbian platform (S60 r3), however I got a few problems I\'m not sure how to fix.[详细]

2023-03-31 18:26 分类：问答
How to emit error for QLocalSocket

I am implementing \'Local fortune server\' example (from Qt 4.7.3) as a service on Windows. What i want is that when someone paused the service, the local server should notify the error to the connect[详细]

2023-03-31 13:38 分类：问答
Widget background not transparent when using QGraphicsView but transparent when using QGridLayout

When I was using QGridLayout to display my widgets, only the widget was shown and the part of the image that was transparent was not shown. Now I switched to using QGraphicsScene and QGraphicsView, an[详细]

2023-03-31 11:14 分类：问答