qt4

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How to resize QMainWindow after removing all DockWidgets?

I’m trying to make an application consisting of a QMainWindow, the central widget of which is a QToolBar (it may not be usual, but for my purpose the toolbar’s well suited). Docks are allowed below[详细]

2023-03-27 17:59 分类：问答
image scaling performance in Quartz/Cocoa vs Qt4

I wrote a test application in Qt4 which uses QImage.scaled() or QPixmap.scaled() 开发者_运维技巧methods that turned tobe very slow. Even a perspective transform is faster, while a scaling transform is[详细]

2023-03-27 14:58 分类：问答
CMake + Qt : define the moc/ui output directory

I\'m currently transferring a project built with qmake to CMake. In the version with qmak开发者_StackOverflow中文版e, in the .pri file, there was[详细]

2023-03-27 06:40 分类：问答
custom QWidget layout problems

I\'m pretty new to QT and I\'ve made my first custom QWidge开发者_如何学Ct subclass...it all works well, until I try adding some labels to it. They all get squashed into the top corner.[详细]

2023-03-27 05:06 分类：问答
Different headers for two table which inherit from the same tableModel class

I have 2 tableViews that inherit from the same class (TableModel) which in turn inherits from QAbstractTableModel. I would like to add headers for the 2 tables but these headers should be different fo[详细]

2023-03-27 00:02 分类：问答
QT Application --- WIFI connection [closed]

开发者_如何学C It's difficult to tell what is being asked here. This question is ambiguous, vague, incomplete, overly broad, or rhetorical andcannot be reasonably answered in its current form.[详细]

2023-03-26 19:01 分类：问答
QTreeWidget show child in the same level of parent

I want to show child in the same level of parent. For doing this first made the dotted line disappear using fun[详细]

2023-03-26 16:58 分类：问答
Build Qt in "Release with Debug Info" mode?

Is there a way to build Qt in \"Release with Debug info\" mode ? My application crashes only in \"release\" mode (works fine in Debug mode) and seems the issue comes from Qt (may be a bug开发者_C百科[详细]

2023-03-26 16:45 分类：问答
Tree Parent child hierarchy Hiding

I want to implement tree widget but it doesn\'t have to show the hierarchy l开发者_如何学Goine.[详细]

2023-03-26 16:26 分类：问答
Displaying and drawing items in 3D in Qt

Is there any possibility to display 开发者_如何转开发and or to draw items in 3D in Qt without using the OpenGL part of Qt? For each of the items I want to visualize I can calculate the x, y and z coor[详细]

2023-03-26 16:25 分类：问答