qt4

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QT : Exited with saying " During startup program exited with code 127"

I Had a Qt program which was working fine in Linux . We migrated our linux from 32bit to 64 bit and while trying to run the same program again throws me a error given below[详细]

2023-04-09 06:16 分类：问答
qt hiding a control on showEvent()

I call show() on a window and it has several controls and all controls are displayed. One of the controls is a custom control that inherits from QFrame.[详细]

2023-04-09 04:54 分类：问答
Making firefox addon using Qt

I开发者_StackOverflow社区 wanted to ask whether it is possible to make an firefox addon using Qt.If possible how can I do that ?See the Qt Browser Plugin example from Nokia/Digia/etc. Was part of Qt S[详细]

2023-04-08 20:20 分类：问答
QComboBox fused to QSpinBox

So I am writing a Qt GUI for som开发者_高级运维e scientific software and I have QSpinBoxes and QDoubleSpinBoxes for a quantities that user should set the units of. Because I have several of these spin[详细]

2023-04-08 16:46 分类：问答
How can I get Qt4 running with ruby 1.9.2 on Windows 7?

Summary I\'m writing a Ruby 1.9.2 app using Qt4 for its GUI which I want to distribute on Linux, OS X and Windows.I have the app running fine on everything except my Windows 7 64-bit box.[详细]

2023-04-08 16:43 分类：问答
Qt4 child thread edit Gui on mainthread

I have a tablewidget which needs to be appen开发者_Go百科ded with data from a child thread. I get this error It is not safe to use pixmaps outside the GUI thread. In c# I used a Disptacher to tell th[详细]

2023-04-07 23:19 分类：问答
How to delete an already existing layout on a widget?

You must first delete the existing layout manager (returned by layout()) before you can call setLayout() with the new layout.[详细]

2023-04-07 04:18 分类：问答
How to package a Ruby application?

I\'ve got an applicati开发者_JS百科on in Ruby that uses the Qt 4 bindings. I want to be able to package and release it.[详细]

2023-04-07 03:22 分类：问答
Stylesheet control for QComboBox tick?

I have a nice stylesheet for a QComboBox but I can\'t find how to style the tick. The tick is a graphic that a开发者_StackOverflowppears next to the currently selected item. There are two problems: 1[详细]

2023-04-07 00:49 分类：问答
Qt: Example of QAbstractItemModel implementation using QtSql (to use with QTreeView)

I\'m looking for an example implementation of QAbstract开发者_运维问答ItemModel to use with QTreeView.[详细]

2023-04-06 23:10 分类：问答