JKQtExtras: A Collection of Useful Qt Qidgets and Tools

Collaboration diagram for JKQtExtras: A Collection of Useful Qt Qidgets and Tools:

Modules
	JKQtExtras: Tool Classes
	JKQtExtras: Widgets

Macros
#define	JKQTEXTRAS_LIB_EXPORT

Detailed Description

Macro Definition Documentation

JKQTEXTRAS_LIB_EXPORT

#define JKQTEXTRAS_LIB_EXPORT

This define allows to export functions and classes from the jkqtcommon-library when building a dynamic/shared library. Usage is as follows:

#include "jkqtextras/jkqtextras_imexport.h.h"
 
class JKQTEXTRAS_LIB_EXPORT exportedClassName {
   ...
};
 
JKQTEXTRAS_LIB_EXPORT void exportedFunctionName();

These macros append the appropriate __declspec(dllexport) and __declspec(dllimport) to the function/class body and thus tell windows compilers to export these sysmbols from the shared library, or import them from a shared library.

Note that these attributes are only necessary on windows systems!

These macros are controlled by two other macros:

• JKQTEXTRAS_LIB_IN_DLL declares that the application should link against a shared version of JKQtExtras, i.e. JKQtExtrasSharedLib_XYZ . This needs to be defined while compiling the library and while compiling any application linking against JKQtExtrasSharedLib_XYZ.
• JKQTEXTRAS_LIB_EXPORT_LIBRARY is only defined while compiling JKQtExtras into JKQtExtrasSharedLib_XYZ and ensures thet the symbols are exported. If it is not defined (e.g. while compiling an application), the symbols are imported