在Qt Creator中构建插件期间未定义的引用
我正在尝试为QtCreator创建插件,所以我只选择了新文件或project/Libraries/QtCreator插件。我已经指定了Qt Creator的源代码以及Qt Creator的构建。当我尝试构建它时,我会遇到以下三个错误:在Qt Creator中构建插件期间未定义的引用,qt,plugins,Qt,Plugins,我正在尝试为QtCreator创建插件,所以我只选择了新文件或project/Libraries/QtCreator插件。我已经指定了Qt Creator的源代码以及Qt Creator的构建。当我尝试构建它时,我会遇到以下三个错误: *C:\...\mypluginplugin.cpp:20: error: undefined reference to `vtable for MyPlugin::Internal::MyPluginPlugin'* //this is construc
*C:\...\mypluginplugin.cpp:20: error:
undefined reference to `vtable for MyPlugin::Internal::MyPluginPlugin'* //this is constructor
*C:\...\mypluginplugin.cpp:25: error:
undefined reference to `vtable for MyPlugin::Internal::MyPluginPlugin'* //this is destructor
C:\...\mypluginplugin.hpp:13: error:
undefined reference to `MyPlugin::Internal::MyPluginPlugin::staticMetaObject' //when I double click
on this error it moves me to my .hpp file to the Q_OBJECT macro:
这是我的代码:
namespace MyPlugin {
namespace Internal {
class MyPluginPlugin : public ExtensionSystem::IPlugin
{
Q_OBJECT// the last, third error moves me here
public:
MyPluginPlugin();
~MyPluginPlugin();
bool initialize(const QStringList &arguments, QString *errorString);
void extensionsInitialized();
ShutdownFlag aboutToShutdown();
private slots:
void triggerAction();
};
} // namespace Internal
} // namespace MyPlugin
你知道如何解决这个问题吗?//编辑
#include "mypluginplugin.hpp"
#include "mypluginconstants.hpp"
#include <coreplugin/icore.h>
#include <coreplugin/icontext.h>
#include <coreplugin/actionmanager/actionmanager.h>
#include <coreplugin/actionmanager/command.h>
#include <coreplugin/actionmanager/actioncontainer.h>
#include <coreplugin/coreconstants.h>
#include <QAction>
#include <QMessageBox>
#include <QMainWindow>
#include <QMenu>
#include <QtPlugin>
using namespace MyPlugin::Internal;
MyPluginPlugin::MyPluginPlugin()
{
// Create your members
}
MyPluginPlugin::~MyPluginPlugin()
{
// Unregister objects from the plugin manager's object pool
// Delete members
}
bool MyPluginPlugin::initialize(const QStringList &arguments, QString *errorString)
{
// Register objects in the plugin manager's object pool
// Load settings
// Add actions to menus
// Connect to other plugins' signals
// In the initialize method, a plugin can be sure that the plugins it
// depends on have initialized their members.
Q_UNUSED(arguments)
Q_UNUSED(errorString)
QAction *action = new QAction(tr("MyPlugin action"), this);
Core::Command *cmd = Core::ActionManager::registerAction(action, Constants::ACTION_ID,
Core::Context(Core::Constants::C_GLOBAL));
cmd->setDefaultKeySequence(QKeySequence(tr("Ctrl+Alt+Meta+A")));
connect(action, SIGNAL(triggered()), this, SLOT(triggerAction()));
Core::ActionContainer *menu = Core::ActionManager::createMenu(Constants::MENU_ID);
menu->menu()->setTitle(tr("MyPlugin"));
menu->addAction(cmd);
Core::ActionManager::actionContainer(Core::Constants::M_TOOLS)->addMenu(menu);
return true;
}
void MyPluginPlugin::extensionsInitialized()
{
// Retrieve objects from the plugin manager's object pool
// In the extensionsInitialized method, a plugin can be sure that all
// plugins that depend on it are completely initialized.
}
ExtensionSystem::IPlugin::ShutdownFlag MyPluginPlugin::aboutToShutdown()
{
// Save settings
// Disconnect from signals that are not needed during shutdown
// Hide UI (if you add UI that is not in the main window directly)
return SynchronousShutdown;
}
void MyPluginPlugin::triggerAction()
{
QMessageBox::information(Core::ICore::mainWindow(),
tr("Action triggered"),
tr("This is an action from MyPlugin."));
}
Q_EXPORT_PLUGIN2(MyPlugin, MyPluginPlugin)
#包括“mypluginplugin.hpp”
#包括“mypluginconstants.hpp”
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使用名称空间MyPlugin::Internal;
MyPluginPlugin::MyPluginPlugin()
{
//创建您的成员
}
MyPluginPlugin::~MyPluginPlugin()
{
//从插件管理器的对象池中注销对象
//删除成员
}
bool MyPluginPlugin::initialize(常量QStringList&arguments,QString*errorString)
{
//在插件管理器的对象池中注册对象
//负载设置
//向菜单添加操作
//连接到其他插件的信号
//在initialize方法中,一个插件可以确保该插件能够访问它
//依赖于已初始化其成员。
Q_未使用(参数)
Q_未使用(错误字符串)
QAction*action=新的QAction(tr(“MyPlugin action”),this);
Core::Command*cmd=Core::ActionManager::registerAction(动作,常量::动作\u ID,
Core::Context(Core::Constants::C_GLOBAL));
cmd->setDefaultKeySequence(QKeySequence(tr(“Ctrl+Alt+Meta+A”));
连接(动作,信号(触发()),此,插槽(触发动作());
Core::ActionContainer*菜单=Core::ActionManager::createMenu(常量::菜单\u ID);
菜单->菜单()->setTitle(tr(“MyPlugin”);
菜单->添加操作(cmd);
Core::ActionManager::actionContainer(Core::Constants::M_TOOLS)->addMenu(菜单);
返回true;
}
void MyPluginPlugin::extensionsInitialized()
{
//从插件管理器的对象池中检索对象
//在extensionsInitialized方法中,插件可以确保
//依赖它的插件被完全初始化。
}
ExtensionSystem::IPlugin::ShutdownFlag MyPluginPlugin::aboutToShutdown()
{
//保存设置
//断开与停机期间不需要的信号的连接
//隐藏UI(如果您直接添加不在主窗口中的UI)
返回同步关机;
}
void MyPluginPlugin::triggeration()
{
QMessageBox::信息(核心::ICore::主窗口(),
tr(“动作触发”),
tr(“这是来自MyPlugin的操作”);
}
Q_导出_插件2(MyPlugin,MyPluginPlugin)
我知道发生了什么。好的,这是其他人的解决方案-qtcreator只是没有将.hpp文件附加到项目中,但是已经创建了。通过“添加现有文件”添加这些.hpp文件后,它现在可以正常构建 你也可以显示cpp吗?当然,你可以在这个文件上运行MOC?标题。我不使用Qt Creator,所以它可能会自动为您触发此操作,但因为它有插槽和Q_对象宏,所以需要在其上运行MOC。我不使用QtCreator,所以您可能在那里是正确的。但是你应该从中得到一个更新的moc源文件。所以确保它在那里。也许您需要确保您的makefile是最新的?太好了,您可能希望将其作为一个答案,并在允许时接受它。很高兴问题解决了。:)