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*
This file is part of the LibreCAD project, a 2D CAD program
Copyright (C) 2025 LibreCAD.org
Copyright (C) 2025 sand1024
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
******************************************************************************/
#include "lc_plugininvoker.h"
#include <QAction>
#include <QDir>
#include <QMenuBar>
#include <QMessageBox>
#include <QPluginLoader>
#include "doc_plugin_interface.h"
#include "lc_undosection.h"
#include "qc_applicationwindow.h"
#include "qc_mdiwindow.h"
#include "qc_plugininterface.h"
#include "qg_graphicview.h"
#include "rs_debug.h"
#include "rs_system.h"
LC_PluginInvoker::LC_PluginInvoker(QC_ApplicationWindow *appWindow, LC_ActionContext* ctx):
m_appWindow(appWindow),
m_actionContext(ctx) {
}
LC_PluginInvoker::~LC_PluginInvoker() = default;
void LC_PluginInvoker::loadPlugins(){
m_loadedPluginList.clear();
QStringList lst = RS_SYSTEM->getDirectoryList("plugins");
// Keep track of plugin filenames loaded to skip duplicate plugins.
QStringList loadedPluginFileNames;
for (int i = 0; i < lst.size(); ++i) {
QDir pluginsDir(lst.at(i));
for (const QString &fileName: pluginsDir.entryList(QDir::Files)) {
// Skip loading a plugin if a plugin with the same
// filename has already been loaded.
#ifdef Q_OS_MAC
if (!fileName.contains(".dylib"))
continue;
#endif
#if (defined (_WIN32) || defined (_WIN32) || defined (_WIN64))
if (!fileName.contains(".dll"))
continue;
#endif
if (loadedPluginFileNames.contains(fileName)) {
continue;
}
QPluginLoader pluginLoader(pluginsDir.absoluteFilePath(fileName));
QObject *plugin = pluginLoader.instance();
if (plugin) {
QC_PluginInterface *pluginInterface = qobject_cast<QC_PluginInterface *>(plugin);
if (pluginInterface) {
m_loadedPluginList.push_back(pluginInterface);
loadedPluginFileNames.push_back(fileName);
PluginCapabilities pluginCapabilities = pluginInterface->getCapabilities();
for (const PluginMenuLocation &loc: pluginCapabilities.menuEntryPoints) {
auto *actpl = new QAction(loc.menuEntryActionName, plugin);
actpl->setData(loc.menuEntryActionName);
connect(actpl, &QAction::triggered, this, &LC_PluginInvoker::execPlug);
connect(m_appWindow, &QC_ApplicationWindow::windowsChanged, actpl, &QAction::setEnabled);
auto menuBar = m_appWindow -> menuBar();
QMenu *atMenu = m_appWindow->findMenu("/" + loc.menuEntryPoint, menuBar->children(), "");
if (atMenu) {
atMenu->addAction(actpl);
} else {
QStringList treemenu = loc.menuEntryPoint.split('/', Qt::SkipEmptyParts);
QString currentLevel = "";
QMenu *parentMenu = 0;
do {
QString menuName = treemenu.at(0);
treemenu.removeFirst();
currentLevel = currentLevel + "/" + menuName;
atMenu = m_appWindow->findMenu(currentLevel, menuBar->children(), "");
if (atMenu == 0) {
if (parentMenu == 0) {
parentMenu = menuBar->addMenu(menuName);
} else {
parentMenu = parentMenu->addMenu(menuName);
}
parentMenu->setObjectName(menuName);
}
} while (treemenu.size() > 0);
if (parentMenu) parentMenu->addAction(actpl);
}
}
}
} else {
QMessageBox::information(m_appWindow, "Info", pluginLoader.errorString());
RS_DEBUG->print("QC_ApplicationWindow::loadPlugin: %s", pluginLoader.errorString().toLatin1().data());
}
}
}
}
/**
* Execute the plugin.
*/
void LC_PluginInvoker::execPlug(){
auto *action = qobject_cast<QAction *>(sender());
QC_PluginInterface *plugin = qobject_cast<QC_PluginInterface *>(action->parent());
//get actual drawing
QC_MDIWindow *w = m_appWindow->getCurrentMDIWindow();
RS_Document *currdoc = w->getDocument();
//create document interface instance
QG_GraphicView *graphicView = w->getGraphicView();
Doc_plugin_interface pligundoc(m_actionContext, m_appWindow);
//execute plugin
LC_UndoSection undo(currdoc, graphicView->getViewPort());
plugin->execComm(&pligundoc, m_appWindow, action->data().toString());
//TODO call update view
graphicView->redraw();
}
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