mirror of
https://github.com/RetroShare/RetroShare.git
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plugin system: plugin management features added (loading and unloading)
git-svn-id: http://svn.code.sf.net/p/retroshare/code/trunk@1008 b45a01b8-16f6-495d-af2f-9b41ad6348cc
This commit is contained in:
beardog_uk
parent
bb904ea8e8
commit
ba1befd560
7 changed files with 898 additions and 68 deletions
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@ -4,42 +4,105 @@
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#include <QTabWidget>
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#include <QLabel>
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#include <QSizePolicy>
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#include <QTextEdit>
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#include <QtPlugin>
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#include <QPluginLoader>
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#include <QDir>
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#include <QDebug>
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#include <QStringList>
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#include <QRegExp>
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#include <QUiLoader>
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#include <QtScript>
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#include <QApplication> // for qApp->....
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//#include <QUiLoader>
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//#include <QtScript>
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#include <QFile>
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//#include <QIODevice>
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#include <QMessageBox>
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#include <QGroupBox>
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#include "PluginsPage.h"
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#include "PluginManagerWidget.h"
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#include "PluginManager.h"
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#include "rshare.h"
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#include "plugins/PluginInterface.h"
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//#include "plugins/PluginInterface.h"
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//==============================================================================
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PluginsPage::PluginsPage(QWidget *parent )
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// :QGroupBox(parent)
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:MainPage(parent)
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{
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//=== create some gui elements =====
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pluginPageLayout = new QVBoxLayout(this);
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pluginPanel = new QGroupBox(this) ;
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pluginPanel->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding) ;
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pluginPanel->setTitle("RetroShare plugins");
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pluginPageLayout->addWidget(pluginPanel);
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pluginPanelLayout = new QVBoxLayout(pluginPanel);
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// pluginPanel = new QGroupBox(this) ;
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// pluginPanel->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding) ;
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// this->setTitle("RetroShare plugins");
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pluginTabs = new QTabWidget(this) ;
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pluginPageLayout->addWidget(pluginTabs);
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pmFrame = new QFrame;
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pmLay = new QVBoxLayout(pmFrame);
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pluginManagerWidget = new PluginManagerWidget(pmFrame);
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pmLay->addWidget( pluginManagerWidget );
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pmSpacer = new QSpacerItem(283, 20,
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QSizePolicy::Expanding, QSizePolicy::Minimum);
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pmLay->addItem(pmSpacer);
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errlogConsole = new QTextEdit();
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pmLay->addWidget( errlogConsole );
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pluginTabs->addTab( pmFrame, "Manager" ) ;
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// pluginTabs->addTab( errlogConsole, "Error messages" );
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//=== try to load binary plugins =====
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pluginManager = new PluginManager();
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connect( pluginManager, SIGNAL( loadDone(QString, QWidget*) ),
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this , SLOT( loadDone(QString, QWidget*) ) );
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connect( pluginManager, SIGNAL(loadFailed(QString, QString)) ,
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this , SLOT( loadFailed(QString, QString ) ) );
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connect( pluginManagerWidget, SIGNAL( needToLoadFileWithPlugin(QString)),
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pluginManager , SLOT( readPluginFromFile(QString) ) );
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connect( pluginManager, SIGNAL( installComplete(QString) ),
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this , SLOT( installComplete(QString) ) );
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connect( pluginManager, SIGNAL(installFailed(QString, QString)) ,
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this , SLOT( installFailed(QString, QString ) ) );
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pluginManager->defaultLoad( Rshare::dataDirectory() + "/plugins" );
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// a variant for a toy app: qApp->applicationDirPath()+"///plugins" ) ;
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//QStringList lll = pluginManager->availablePlugins();
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//foreach( QString pn, lll)
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//{
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// qDebug() << " " << "----" << pn << "----" ;
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//}
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/*
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QDir pluginsDir(qApp->applicationDirPath()+"///plugins");
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if (pluginsDir.exists())
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loadBinaryPlugins( pluginsDir );
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else
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{
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qDebug() << " " << "plugins will not be loaded: " << pluginsDir.absolutePath() ;
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}
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*/
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// pluginPageLayout->addWidget(pluginPanel);
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/*
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pluginPanelLayout = new QVBoxLayout(pluginPanel);
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pluginTabs = new QTabWidget(pluginPanel);
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pluginPanelLayout->addWidget(pluginTabs);
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QLabel* lbl1 = new QLabel();
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QString defMess = "If you see only this tab, it's a bug :(\n";
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defMess+= "If you see this tub and calculator, it's a bug too";
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lbl1->setText(defMess);
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lbl1->setText("If you see only this tab, it's a bug :( If you see this tub and calculator, it's a bug too");
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pluginTabs->addTab(lbl1, "LLL");//Rshare::dataDirectory());
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//"L #1");
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@ -47,13 +110,23 @@ PluginsPage::PluginsPage(QWidget *parent )
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//lbl2->setText("Label #2");
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//pluginTabs->addTab(lbl2, "L #2; for debugging purposes");
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QDir pluginsDir(Rshare::dataDirectory() + "/plugins");
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QDir pluginsDir(Rshare::dataDirectory());
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if ( !pluginsDir.exists() )
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{
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lbl1->setText("failed to locate 'plugins' directory. Nothing to load" );
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return ;
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// this piece of code is magical and untested ;
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// but on Windows it works
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#if defined(Q_OS_WIN)
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if (pluginsDir.dirName().toLower() == "debug" || pluginsDir.dirName().toLower() == "release")
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pluginsDir.cdUp();
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#elif defined(Q_OS_MAC)
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if (pluginsDir.dirName() == "MacOS") {
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pluginsDir.cdUp();
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pluginsDir.cdUp();
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pluginsDir.cdUp();
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}
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#endif
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// eof magick
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pluginsDir.cd("plugins");
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foreach (QString fileName, pluginsDir.entryList(QDir::Files))
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{
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@ -87,17 +160,9 @@ PluginsPage::PluginsPage(QWidget *parent )
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}
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// script plugins loading; warning, code is dirty; will be changed later
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engine = new QScriptEngine(parent);
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engine = new QScriptEngine;
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pluginsDir.setPath(Rshare::dataDirectory() + "/script_plugins");
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if ( !pluginsDir.exists() )
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{
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QString tmps = lbl1->text();
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tmps += " Failed to locate 'script_plugins' directory. " ;
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lbl1->setText( tmps);
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return ;
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}
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pluginsDir.cd("../script_plugins");
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@ -118,53 +183,171 @@ PluginsPage::PluginsPage(QWidget *parent )
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QRegExp rx_qs(".*js");
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ti = scfList.indexOf(rx_qs);
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if(ti > -1)
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{
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QFile scriptFile( spDir.absoluteFilePath( scfList.at(ti) ) );
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scriptFile.open(QIODevice::ReadOnly);
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engine->evaluate(scriptFile.readAll());
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scriptFile.close();
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}
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QFile scriptFile( spDir.absoluteFilePath( scfList.at(ti) ) );
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scriptFile.open(QIODevice::ReadOnly);
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engine->evaluate(scriptFile.readAll());
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scriptFile.close();
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QUiLoader loader;
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QRegExp rx_ui(".*ui");
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QWidget *ui = NULL ;
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ti = scfList.indexOf(rx_ui) ;
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QFile uiFile( spDir.absoluteFilePath( scfList.at(ti) ) );
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qDebug() << "ui file is " << scfList.at(ti) ;
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uiFile.open(QIODevice::ReadOnly);
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QWidget *ui = loader.load(&uiFile);
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uiFile.close();
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if(ti > -1)
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{
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ti = scfList.indexOf(rx_ui) ;
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QFile uiFile( spDir.absoluteFilePath( scfList.at(ti) ) );
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qDebug() << "ui file is " << scfList.at(ti) ;
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uiFile.open(QIODevice::ReadOnly);
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ui = loader.load(&uiFile);
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uiFile.close();
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}
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QScriptValue ctor = engine->evaluate("Plugin");
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QScriptValue scriptUi = engine->newQObject(ui, QScriptEngine::ScriptOwnership);
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QScriptValue calc = ctor.construct(QScriptValueList() << scriptUi);
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if (!ui)
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qDebug() << "ui is null :(" ;
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else
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{
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QScriptValue ctor = engine->evaluate("Plugin");
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QScriptValue scriptUi = engine->newQObject(ui, QScriptEngine::ScriptOwnership);
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QScriptValue calc = ctor.construct(QScriptValueList() << scriptUi);
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}
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//ui->show();
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pluginTabs->addTab(ui,"Script plugin");
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}
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//What has a head like a cat, feet like a cat, a tail like a cat, but isn't a cat?
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}
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*/
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}
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//==============================================================================
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PluginsPage::~PluginsPage()
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{
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// nothing to do here at this moment
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//delete engine;
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// remove all pages, exept first (i.e remove all pages with plugins)
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for( int pi=1; pi<pluginTabs->count(); pi++)
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{
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pluginTabs->removeTab(pi); // widgets itself will be deleted
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//in ~PluginManager()
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}
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}
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//=============================================================================
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void
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PluginsPage::installComplete(QString pluginName)
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{
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PluginFrame* pf = new PluginFrame( pluginManagerWidget, pluginName);
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connect( pluginManager, SIGNAL( loadDone(QString, QWidget*) ),
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pf , SLOT( successfulLoad(QString, QWidget*) ) );
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connect( pf , SIGNAL( needToLoad(QString) ),
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pluginManager, SLOT( loadPlugin(QString) ) );
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// connect( pf , SIGNAL( needToUnload(QString) ),
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// pluginManager, SLOT( unloadPlugin(QString) ) );
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connect( pf , SIGNAL( needToUnload(QString) ),
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this , SLOT( unloadPlugin(QString) ) );
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pluginManagerWidget->addPluginWidget(pf);
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}
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//=============================================================================
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void
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PluginsPage::installFailed(QString pluginFileName, QString errorMessage)
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{
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QString tmps = QString("failed to install plugin from %1 (%2)")
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.arg(pluginFileName)
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.arg(errorMessage);
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errlogConsole->append(tmps);
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}
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//=============================================================================
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void
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PluginsPage::loadDone(QString pluginName, QWidget* pluginWidget)
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{
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pluginTabs->addTab( pluginWidget, pluginName );
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}
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//==============================================================================
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void
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PluginsPage::loadFailed(QString pluginName, QString errorMessage)
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{
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QString tmps = QString("failed to load plugin %1 (%2)")
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.arg(pluginName)
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.arg(errorMessage);
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errlogConsole->append(tmps);
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}
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//==============================================================================
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void
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PluginsPage::unloadPlugin(QString pluginName)
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{
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qDebug() << " " << "PluginsPage::unloadPlugin called for " << pluginName ;
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for (int tabi=0; tabi< pluginTabs->count(); tabi++)
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{
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if( pluginTabs->tabText(tabi) == pluginName)
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{
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QWidget* tw= pluginTabs->widget(tabi);
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pluginTabs->removeTab( tabi);//the plugin widget will not be deleted !!
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//plugin manager will delete it in
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//it's unloadPlugin
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// qDebug() << " " << "in pp " << (int) tw ;
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// delete tw;
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pluginManager->unloadPlugin( pluginName );
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return;
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}
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}
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}
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//==============================================================================
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int
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PluginsPage::loadBinaryPlugins(const QDir directory)
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{/*
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//=== find a file with last loaded plugins =====
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QStringList lastLoaded;
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QFile llFile( directory.absolutePath()+"last_loaded.txt" ) ;
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if ( llFile.open(QIODevice::ReadOnly) )
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{
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QString tmps;
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QTextStream stream( &llFile ); // Set the stream to read from myFile
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tmps = stream.readLine();
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lastLoaded = tmps.split(";");
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llFile.close();
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}
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//=== get current available plugins =====
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QStringList currAvailable = directory.entryList(QDir::Files);
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#if defined(Q_OS_WIN)
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QRegExp trx("*.dll")
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#else
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QRegExp trx("*.so");
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#endif
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trx.setPatternSyntax(QRegExp::Wildcard );
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currAvailable.filter( trx );
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qDebug() << " " << "can load this plugins: " << currAvailable ;
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//=== create widgets for all available; also load which were loaded before
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foreach(QString pluginFileName, currAvailable)
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{
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QString tmps( directory.absoluteFilePath( pluginFileName ) );
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pluginManagerWidget->addPluginWidget( tmps );
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}
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*/
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}
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//==============================================================================
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//=============================================================================
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//==============================================================================
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