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c++ Programming Glossary: qwidgetWhat is the most efficient way to display decoded video frames in Qt? http://stackoverflow.com/questions/1242005/what-is-the-most-efficient-way-to-display-decoded-video-frames-in-qt this class QGLCanvas public QGLWidget public QGLCanvas QWidget parent NULL void setImage const QImage image protected void.. QPaintEvent private QImage img QGLCanvas QGLCanvas QWidget parent QGLWidget parent void QGLCanvas setImage const QImage..
http://stackoverflow.com/questions/1246825/fullscreen-widget linux qt widget fullscreen share improve this question QWidget showFullScreen is what you need works great under Linux Windows..
Undefined reference to vtable. Trying to compile a Qt project http://stackoverflow.com/questions/1552069/undefined-reference-to-vtable-trying-to-compile-a-qt-project #ifndef ADDRESSBOOK_H #define ADDRESSBOOK_H #include QWidget class QLabel class QLineEdit class QTextEdit class AddressBook.. class QLineEdit class QTextEdit class AddressBook public QWidget Q_OBJECT public AddressBook QWidget parent 0 private QLineEdit.. AddressBook public QWidget Q_OBJECT public AddressBook QWidget parent 0 private QLineEdit nameLine QTextEdit addressText #endif..
http://stackoverflow.com/questions/2491707/memory-management-in-qt by the constructors for other reasons however such as in QWidget QWidget parent 0 where the parent must be another QWidget due.. constructors for other reasons however such as in QWidget QWidget parent 0 where the parent must be another QWidget due to e.g... QWidget QWidget parent 0 where the parent must be another QWidget due to e.g. visibility flags and because you ™d do some basic..
Q_OBJECT throwing 'undefined reference to vtable' error [duplicate] http://stackoverflow.com/questions/4774291/q-object-throwing-undefined-reference-to-vtable-error QPainter painter const QStyleOptionGraphicsItem option QWidget widget int main T t return 0 The above code fragment causes..
Image scaling (KeepAspectRatioByExpanding) through OpenGL http://stackoverflow.com/questions/9011108/image-scaling-keepaspectratiobyexpanding-through-opengl glwidget.h #include QGridLayout oglWindow oglWindow QWidget parent Qt WFlags flags QMainWindow parent flags ui.setupUi this.. oglWindow public QMainWindow Q_OBJECT public oglWindow QWidget parent 0 Qt WFlags flags 0 ~oglWindow private Ui oglWindowClass.. y 2.12798 Cb gl_FragColor vec4 r g b 1.0 GLWidget GLWidget QWidget parent QGLWidget QGLFormat QGL SampleBuffers parent _frame NULL..
How do I create a Window in different QT threads? http://stackoverflow.com/questions/9777911/how-do-i-create-a-window-in-different-qt-threads an error before I even get to that call ASSERT failure in QWidget Widgets must be created in the GUI thread. I want to popup a.. gui share improve this question If you need to create QWidget or some other gui component s in different non main thread s.. be moved to main thread class gui_launcher public QObject QWidget w other components .. public virtual bool event QEvent ev if..
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