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Q_EXPORT_PLUGIN2(NavigationWidget, NavigationDesignerPlugin)

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TEMPLATE = lib
TARGET += $$qtLibraryTarget($$TARGET)
CONFIG += designer \
    plugin
QTDIR_build:DESTDIR = $$QT_BUILD_TREE/plugins/designer


HEADERS += navigationdesignerplugin.h \
   navigationwidget.h
SOURCES += navigationdesignerplugin.cpp \
    navigationwidget.cpp
FORMS += navigationwidget.ui
RESOURCES += resource.qrc

# install
target.path = $$[QT_INSTALL_PLUGINS]/designer
sources.files = $$SOURCES \
    $$HEADERS \
    *.pro
sources.path = $$[QT_INSTALL_EXAMPLES]/designer/NavigationWidget

INSTALLS += target \
    sources

Code: Alles auswählen

class NavigationDesignerPlugin : public QObject, public QDesignerCustomWidgetInterface
{
	Q_OBJECT
	Q_INTERFACES(QDesignerCustomWidgetInterface)

public:
    NavigationDesignerPlugin(QObject *parent = 0);
	/*
			Since we (need to) implement QDesignerCustomWidgetInterface we need to fill this with some code
so the QtDesigner can load the plugin.
	*/
    bool isContainer() const;
    bool isInitialized() const;
    QIcon icon() const;
    QString domXml() const;
    QString group() const;
    QString includeFile() const;
    QString name() const;
    QString toolTip() const;
    QString whatsThis() const;
    QWidget *createWidget(QWidget *parent);
    void initialize(QDesignerFormEditorInterface *core);

private:
    bool initialized;
};

Jemand von euch eine Idee????

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#include "navigationdesignerplugin.h"
#include "navigationwidget.h"


NavigationDesignerPlugin::NavigationDesignerPlugin(QObject *parent /*== NULL BY DEFAULT*/ )
{
	Q_UNUSED(parent) // right now we do not need this

	this->initialized = false; // we're not initialized here!!!
}

void NavigationDesignerPlugin::initialize(QDesignerFormEditorInterface *core)
{
	Q_UNUSED(core) // we don't need this

	if (initialized)
		return;
	this->initialized = true;
}

bool NavigationDesignerPlugin::isInitialized() const
{
	return this->initialized;
}

QWidget *NavigationDesignerPlugin::createWidget(QWidget *parent)
{
	return new NavigationWidget(parent); // right here we create an instance of the visible stuff and return the ptr to the new widget!
}

QString NavigationDesignerPlugin::name() const
{
	return "Navigation Widget";
}

QString NavigationDesignerPlugin::group() const
{
	return "Custom Controls";
}

QIcon NavigationDesignerPlugin::icon() const
{
	return QIcon(":/images/systray_active.ico");
}

QString NavigationDesignerPlugin::toolTip() const
{
    return "main navigation Widget";
}

QString NavigationDesignerPlugin::whatsThis() const
 {
     return "";
 }

bool NavigationDesignerPlugin::isContainer() const
{
	// The isContainer() function tells Qt Designer whether the widget is supposed to be used as a container for other widgets.
	//If not, Qt Designer will not allow the user to place widgets inside it.
    return true;
}
QString NavigationDesignerPlugin::domXml() const
 {
     return "<ui language=\"c++\">\n"
	    " <widget class=\"NavigationWidget\" name=\"navigationwidget\">\n"
	    "  <property name=\"geometry\">\n"
	    "   <rect>\n"
	    "    <x>0</x>\n"
	    "    <y>0</y>\n"
	    "    <width>100</width>\n"
	    "    <height>100</height>\n"
	    "   </rect>\n"
	    "  </property>\n"
	    " </widget>\n"
	    "</ui>\n";
 }

QString NavigationDesignerPlugin::includeFile() const
 {
     return "navigationwidget.h";
 }


Q_EXPORT_PLUGIN2(navigationdesignerplugin, NavigationDesignerPlugin)