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MainWindow.cpp
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MainWindow.cpp
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/***************************************************************************
* Copyright (c) 2005 Werner Mayer <wmayer[at]users.sourceforge.net> *
* *
* This file is part of the FreeCAD CAx development system. *
* *
* This library is free software; you can redistribute it and/or *
* modify it under the terms of the GNU Library General Public *
* License as published by the Free Software Foundation; either *
* version 2 of the License, or (at your option) any later version. *
* *
* This library 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 Library General Public License for more details. *
* *
* You should have received a copy of the GNU Library General Public *
* License along with this library; see the file COPYING.LIB. If not, *
* write to the Free Software Foundation, Inc., 59 Temple Place, *
* Suite 330, Boston, MA 02111-1307, USA *
* *
***************************************************************************/
#include "PreCompiled.h"
#ifndef _PreComp_
# include <algorithm>
# include <QApplication>
# include <QThread>
# include <QBuffer>
# include <QByteArray>
# include <QClipboard>
# include <QMimeData>
# include <QCloseEvent>
# include <QContextMenuEvent>
# include <QDesktopServices>
# include <QDesktopWidget>
# include <QDockWidget>
# include <QFontMetrics>
# include <QKeySequence>
# include <QLabel>
# include <QMdiSubWindow>
# include <QMessageBox>
# include <QPainter>
# include <QSettings>
# include <QSignalMapper>
# include <QStatusBar>
# include <QTimer>
# include <QToolBar>
#if QT_VERSION >= 0x050000
# include <QUrlQuery>
#endif
# include <QWhatsThis>
#endif
#include <boost/bind.hpp>
// FreeCAD Base header
#include <Base/Parameter.h>
#include <Base/Exception.h>
#include <Base/FileInfo.h>
#include <Base/Interpreter.h>
#include <Base/Persistence.h>
#include <Base/Stream.h>
#include <Base/Reader.h>
#include <Base/Writer.h>
#include <App/Application.h>
#include <App/DocumentObject.h>
#include <App/DocumentObjectGroup.h>
#include "MainWindow.h"
#include "Application.h"
#include "Assistant.h"
#include "DownloadManager.h"
#include "WaitCursor.h"
#include "Action.h"
#include "Command.h"
#include "ToolBoxManager.h"
#include "DockWindowManager.h"
#include "ToolBarManager.h"
#include "WorkbenchManager.h"
#include "Workbench.h"
#include "Window.h"
#include "View.h"
#include "Macro.h"
#include "ProgressBar.h"
#include "WidgetFactory.h"
#include "BitmapFactory.h"
#include "Splashscreen.h"
#include "Tree.h"
#include "PropertyView.h"
#include "SelectionView.h"
#include "MenuManager.h"
//#include "ToolBox.h"
#include "ReportView.h"
#include "CombiView.h"
#include "PythonConsole.h"
#include "TaskView/TaskView.h"
#include "DAGView/DAGView.h"
#include "DlgUndoRedo.h"
#include "DlgOnlineHelpImp.h"
#include "Language/Translator.h"
#include "GuiInitScript.h"
#include "Document.h"
#include "MergeDocuments.h"
#include "ViewProviderExtern.h"
#include "SpaceballEvent.h"
#include "View3DInventor.h"
#include "View3DInventorViewer.h"
#include "DlgObjectSelection.h"
FC_LOG_LEVEL_INIT("MainWindow",false,true,true);
#if defined(Q_OS_WIN32)
#define slots
//#include <private/qmainwindowlayout_p.h>
//#include <private/qwidgetresizehandler_p.h>
#endif
using namespace Gui;
using namespace Gui::DockWnd;
using namespace std;
MainWindow* MainWindow::instance = 0L;
namespace Gui {
/**
* The CustomMessageEvent class is used to send messages as events in the methods
* Error(), Warning() and Message() of the StatusBarObserver class to the main window
* to display them on the status bar instead of printing them directly to the status bar.
*
* This makes the usage of StatusBarObserver thread-safe.
* @author Werner Mayer
*/
class CustomMessageEvent : public QEvent
{
public:
CustomMessageEvent(int t, const QString& s, int timeout=0)
: QEvent(QEvent::User), _type(t), msg(s), _timeout(timeout)
{ }
~CustomMessageEvent()
{ }
int type() const
{ return _type; }
const QString& message() const
{ return msg; }
int timeout() const
{ return _timeout; }
private:
int _type;
QString msg;
int _timeout;
};
// -------------------------------------
// Pimpl class
struct MainWindowP
{
QLabel* sizeLabel;
QLabel* actionLabel;
QTimer* actionTimer;
QTimer* statusTimer;
QTimer* activityTimer;
QTimer* visibleTimer;
QMdiArea* mdiArea;
QPointer<MDIView> activeView;
QSignalMapper* windowMapper;
QSplashScreen* splashscreen;
StatusBarObserver* status;
bool whatsthis;
QString whatstext;
Assistant* assistant;
int currentStatusType = 100;
int actionUpdateDelay = 0;
QMap<QString, QPointer<UrlHandler> > urlHandler;
};
class MDITabbar : public QTabBar
{
public:
MDITabbar( QWidget * parent = 0 ) : QTabBar(parent)
{
menu = new QMenu(this);
// For Qt 4.2.x the tabs might be very wide
#if QT_VERSION >= 0x040200
setDrawBase(false);
setSizePolicy(QSizePolicy::Maximum, QSizePolicy::Fixed);
#endif
}
~MDITabbar()
{
delete menu;
}
protected:
void contextMenuEvent ( QContextMenuEvent * e )
{
menu->clear();
CommandManager& cMgr = Application::Instance->commandManager();
if (tabRect(currentIndex()).contains(e->pos()))
cMgr.getCommandByName("Std_CloseActiveWindow")->addTo(menu);
cMgr.getCommandByName("Std_CloseAllWindows")->addTo(menu);
menu->addSeparator();
cMgr.getCommandByName("Std_CascadeWindows")->addTo(menu);
cMgr.getCommandByName("Std_ArrangeIcons")->addTo(menu);
cMgr.getCommandByName("Std_TileWindows")->addTo(menu);
menu->addSeparator();
cMgr.getCommandByName("Std_Windows")->addTo(menu);
menu->popup(e->globalPos());
}
private:
QMenu* menu;
};
#if defined(Q_OS_WIN32)
class MainWindowTabBar : public QTabBar
{
public:
MainWindowTabBar(QWidget *parent) : QTabBar(parent)
{
setExpanding(false);
}
protected:
bool event(QEvent *e)
{
// show the tooltip if tab is too small to fit label
if (e->type() != QEvent::ToolTip)
return QTabBar::event(e);
QSize size = this->size();
QSize hint = sizeHint();
if (shape() == QTabBar::RoundedWest || shape() == QTabBar::RoundedEast) {
size.transpose();
hint.transpose();
}
if (size.width() < hint.width())
return QTabBar::event(e);
e->accept();
return true;
}
void tabInserted (int index)
{
// get all dock windows
QList<QDockWidget*> dw = getMainWindow()->findChildren<QDockWidget*>();
for (QList<QDockWidget*>::iterator it = dw.begin(); it != dw.end(); ++it) {
// compare tab text and window title to get the right dock window
if (this->tabText(index) == (*it)->windowTitle()) {
QWidget* dock = (*it)->widget();
if (dock) {
QIcon icon = dock->windowIcon();
if (!icon.isNull())
setTabIcon(index, icon);
}
break;
}
}
}
};
#endif
} // namespace Gui
/* TRANSLATOR Gui::MainWindow */
MainWindow::MainWindow(QWidget * parent, Qt::WindowFlags f)
: QMainWindow( parent, f/*WDestructiveClose*/ )
{
d = new MainWindowP;
d->splashscreen = 0;
d->activeView = 0;
d->whatsthis = false;
d->assistant = new Assistant();
// global access
instance = this;
// Create the layout containing the workspace and a tab bar
d->mdiArea = new QMdiArea();
// Movable tabs
#if QT_VERSION >= 0x040800
d->mdiArea->setTabsMovable(true);
#endif
#if QT_VERSION >= 0x040500
d->mdiArea->setTabPosition(QTabWidget::South);
d->mdiArea->setViewMode(QMdiArea::TabbedView);
QTabBar* tab = d->mdiArea->findChild<QTabBar*>();
if (tab) {
// 0000636: Two documents close
#if QT_VERSION < 0x040800
connect(tab, SIGNAL(tabCloseRequested(int)),
this, SLOT(tabCloseRequested(int)));
#endif
tab->setTabsClosable(true);
// The tabs might be very wide
tab->setExpanding(false);
}
#endif
d->mdiArea->setVerticalScrollBarPolicy(Qt::ScrollBarAsNeeded);
d->mdiArea->setHorizontalScrollBarPolicy(Qt::ScrollBarAsNeeded);
d->mdiArea->setOption(QMdiArea::DontMaximizeSubWindowOnActivation, false);
d->mdiArea->setActivationOrder(QMdiArea::ActivationHistoryOrder);
d->mdiArea->setBackground(QBrush(QColor(160,160,160)));
setCentralWidget(d->mdiArea);
statusBar()->setObjectName(QString::fromLatin1("statusBar"));
connect(statusBar(), SIGNAL(messageChanged(const QString &)), this, SLOT(statusMessageChanged()));
// labels and progressbar
d->status = new StatusBarObserver();
d->actionLabel = new QLabel(statusBar());
// d->actionLabel->setMinimumWidth(120);
d->sizeLabel = new QLabel(tr("Dimension"), statusBar());
d->sizeLabel->setMinimumWidth(120);
statusBar()->addWidget(d->actionLabel, 1);
QProgressBar* progressBar = Gui::Sequencer::instance()->getProgressBar(statusBar());
statusBar()->addPermanentWidget(progressBar, 0);
statusBar()->addPermanentWidget(d->sizeLabel, 0);
// clears the action label
d->actionTimer = new QTimer( this );
d->actionTimer->setObjectName(QString::fromLatin1("actionTimer"));
connect(d->actionTimer, SIGNAL(timeout()), d->actionLabel, SLOT(clear()));
// clear status type
d->statusTimer = new QTimer( this );
d->statusTimer->setObjectName(QString::fromLatin1("statusTimer"));
connect(d->statusTimer, SIGNAL(timeout()), this, SLOT(clearStatus()));
// update gui timer
d->activityTimer = new QTimer(this);
d->activityTimer->setObjectName(QString::fromLatin1("activityTimer"));
connect(d->activityTimer, SIGNAL(timeout()),this, SLOT(_updateActions()));
d->activityTimer->setSingleShot(false);
d->activityTimer->start(150);
// show main window timer
d->visibleTimer = new QTimer(this);
d->visibleTimer->setObjectName(QString::fromLatin1("visibleTimer"));
connect(d->visibleTimer, SIGNAL(timeout()),this, SLOT(showMainWindow()));
d->visibleTimer->setSingleShot(true);
d->windowMapper = new QSignalMapper(this);
// connection between workspace, window menu and tab bar
connect(d->windowMapper, SIGNAL(mapped(QWidget *)),
this, SLOT(onSetActiveSubWindow(QWidget*)));
connect(d->mdiArea, SIGNAL(subWindowActivated(QMdiSubWindow*)),
this, SLOT(onWindowActivated(QMdiSubWindow* )));
DockWindowManager* pDockMgr = DockWindowManager::instance();
std::string hiddenDockWindows;;
const std::map<std::string,std::string>& config = App::Application::Config();
std::map<std::string, std::string>::const_iterator ht = config.find("HiddenDockWindow");
if (ht != config.end())
hiddenDockWindows = ht->second;
// Show all dockable windows over the workbench facility
//
#if 0
// Toolbox
if (hiddenDockWindows.find("Std_ToolBox") == std::string::npos) {
ToolBox* toolBox = new ToolBox(this);
toolBox->setObjectName(QT_TRANSLATE_NOOP("QDockWidget","Toolbox"));
pDockMgr->registerDockWindow("Std_ToolBox", toolBox);
ToolBoxManager::getInstance()->setToolBox( toolBox );
}
#endif
if (hiddenDockWindows.find("Std_TreeView") == std::string::npos) {
//work through parameter.
ParameterGrp::handle group = App::GetApplication().GetUserParameter().
GetGroup("BaseApp")->GetGroup("Preferences")->GetGroup("DockWindows")->GetGroup("TreeView");
bool enabled = group->GetBool("Enabled", true);
if(enabled != group->GetBool("Enabled", false)) {
enabled = App::GetApplication().GetUserParameter().GetGroup("BaseApp")
->GetGroup("MainWindow")->GetGroup("DockWindows")->GetBool("Std_TreeView",false);
}
group->SetBool("Enabled", enabled); //ensure entry exists.
if (enabled) {
TreeDockWidget* tree = new TreeDockWidget(0, this);
tree->setObjectName
(QString::fromLatin1(QT_TRANSLATE_NOOP("QDockWidget","Tree view")));
tree->setMinimumWidth(210);
pDockMgr->registerDockWindow("Std_TreeView", tree);
}
}
// Property view
if (hiddenDockWindows.find("Std_PropertyView") == std::string::npos) {
//work through parameter.
ParameterGrp::handle group = App::GetApplication().GetUserParameter().
GetGroup("BaseApp")->GetGroup("Preferences")->GetGroup("DockWindows")->GetGroup("PropertyView");
bool enabled = group->GetBool("Enabled", true);
if(enabled != group->GetBool("Enabled", false)) {
enabled = App::GetApplication().GetUserParameter().GetGroup("BaseApp")
->GetGroup("MainWindow")->GetGroup("DockWindows")->GetBool("Std_PropertyView",false);
}
group->SetBool("Enabled", enabled); //ensure entry exists.
if (enabled) {
PropertyDockView* pcPropView = new PropertyDockView(0, this);
pcPropView->setObjectName
(QString::fromLatin1(QT_TRANSLATE_NOOP("QDockWidget","Property view")));
pcPropView->setMinimumWidth(210);
pDockMgr->registerDockWindow("Std_PropertyView", pcPropView);
}
}
// Selection view
if (hiddenDockWindows.find("Std_SelectionView") == std::string::npos) {
SelectionView* pcSelectionView = new SelectionView(0, this);
pcSelectionView->setObjectName
(QString::fromLatin1(QT_TRANSLATE_NOOP("QDockWidget","Selection view")));
pcSelectionView->setMinimumWidth(210);
pDockMgr->registerDockWindow("Std_SelectionView", pcSelectionView);
}
// Combo view
if (hiddenDockWindows.find("Std_CombiView") == std::string::npos) {
CombiView* pcCombiView = new CombiView(0, this);
pcCombiView->setObjectName(QString::fromLatin1(QT_TRANSLATE_NOOP("QDockWidget","Combo View")));
pcCombiView->setMinimumWidth(150);
pDockMgr->registerDockWindow("Std_CombiView", pcCombiView);
}
#if QT_VERSION < 0x040500
// Report view
if (hiddenDockWindows.find("Std_ReportView") == std::string::npos) {
Gui::DockWnd::ReportView* pcReport = new Gui::DockWnd::ReportView(this);
pcReport->setObjectName
(QString::fromLatin1(QT_TRANSLATE_NOOP("QDockWidget","Report view")));
pDockMgr->registerDockWindow("Std_ReportView", pcReport);
}
#else
// Report view (must be created before PythonConsole!)
if (hiddenDockWindows.find("Std_ReportView") == std::string::npos) {
ReportOutput* pcReport = new ReportOutput(this);
pcReport->setWindowIcon(BitmapFactory().pixmap("MacroEditor"));
pcReport->setObjectName
(QString::fromLatin1(QT_TRANSLATE_NOOP("QDockWidget","Report view")));
pDockMgr->registerDockWindow("Std_ReportView", pcReport);
ReportOutputObserver* rvObserver = new ReportOutputObserver(pcReport);
qApp->installEventFilter(rvObserver);
}
// Python console
if (hiddenDockWindows.find("Std_PythonView") == std::string::npos) {
PythonConsole* pcPython = new PythonConsole(this);
ParameterGrp::handle hGrp = App::GetApplication().GetUserParameter().
GetGroup("BaseApp")->GetGroup("Preferences")->GetGroup("General");
if (hGrp->GetBool("PythonWordWrap", true)) {
pcPython->setWordWrapMode(QTextOption::WrapAtWordBoundaryOrAnywhere);
} else {
pcPython->setWordWrapMode(QTextOption::NoWrap);
}
pcPython->setWindowIcon(Gui::BitmapFactory().iconFromTheme("applications-python"));
pcPython->setObjectName
(QString::fromLatin1(QT_TRANSLATE_NOOP("QDockWidget","Python console")));
pDockMgr->registerDockWindow("Std_PythonView", pcPython);
}
//TODO: Add external object support for DAGView
#if 0
//Dag View.
if (hiddenDockWindows.find("Std_DAGView") == std::string::npos) {
//work through parameter.
// old group name
ParameterGrp::handle deprecateGroup = App::GetApplication().GetUserParameter().
GetGroup("BaseApp")->GetGroup("Preferences");
bool enabled = false;
if (deprecateGroup->HasGroup("DAGView")) {
deprecateGroup = deprecateGroup->GetGroup("DAGView");
enabled = deprecateGroup->GetBool("Enabled", enabled);
}
// new group name
ParameterGrp::handle group = App::GetApplication().GetUserParameter().
GetGroup("BaseApp")->GetGroup("Preferences")->GetGroup("DockWindows")->GetGroup("DAGView");
enabled = group->GetBool("Enabled", enabled);
group->SetBool("Enabled", enabled); //ensure entry exists.
if (enabled) {
DAG::DockWindow *dagDockWindow = new DAG::DockWindow(nullptr, this);
dagDockWindow->setObjectName
(QString::fromLatin1(QT_TRANSLATE_NOOP("QDockWidget","DAG View")));
pDockMgr->registerDockWindow("Std_DAGView", dagDockWindow);
}
}
#endif
#if 0 //defined(Q_OS_WIN32) this portion of code is not able to run with a vanilla Qtlib build on Windows.
// The MainWindowTabBar is used to show tabbed dock windows with icons
//
// add our own QTabBar-derived class to the main window layout
// NOTE: This uses some private stuff from QMainWindow which doesn't
// seem to be accessible on all platforms.
QMainWindowLayout* l = static_cast<QMainWindowLayout*>(this->layout());
for (int i=0; i<5; i++) {
MainWindowTabBar* result = new MainWindowTabBar(this);
result->setDrawBase(true);
result->setElideMode(Qt::ElideRight);
result->hide(); // avoid to show horizontal bar in top left area
//result->setDocumentMode(_documentMode);
connect(result, SIGNAL(currentChanged(int)), l, SLOT(tabChanged()));
l->unusedTabBars << result;
}
#endif
#endif
// accept drops on the window, get handled in dropEvent, dragEnterEvent
setAcceptDrops(true);
statusBar()->showMessage(tr("Ready"), 2001);
}
MainWindow::~MainWindow()
{
delete d->status;
delete d;
instance = 0;
}
MainWindow* MainWindow::getInstance()
{
// MainWindow has a public constructor
return instance;
}
QMenu* MainWindow::createPopupMenu ()
{
QMenu* menu = QMainWindow::createPopupMenu();
Workbench* wb = WorkbenchManager::instance()->active();
if (wb) {
MenuItem item;
wb->createMainWindowPopupMenu(&item);
if (item.hasItems()) {
menu->addSeparator();
QList<MenuItem*> items = item.getItems();
for (QList<MenuItem*>::iterator it = items.begin(); it != items.end(); ++it) {
if ((*it)->command() == "Separator") {
menu->addSeparator();
}
else {
Command* cmd = Application::Instance->commandManager().getCommandByName((*it)->command().c_str());
if (cmd) cmd->addTo(menu);
}
}
}
}
return menu;
}
void MainWindow::arrangeIcons()
{
d->mdiArea->tileSubWindows();
}
void MainWindow::tile()
{
d->mdiArea->tileSubWindows();
}
void MainWindow::cascade()
{
d->mdiArea->cascadeSubWindows();
}
void MainWindow::closeActiveWindow ()
{
d->mdiArea->closeActiveSubWindow();
}
int MainWindow::confirmSave(const char *docName, QWidget *parent, bool addCheckbox) {
QMessageBox box(parent?parent:this);
box.setIcon(QMessageBox::Question);
box.setWindowTitle(QObject::tr("Unsaved document"));
if(docName)
box.setText(QObject::tr("Do you want to save your changes to document '%1' before closing?")
.arg(QString::fromUtf8(docName)));
else
box.setText(QObject::tr("Do you want to save your changes to document before closing?"));
box.setInformativeText(QObject::tr("If you don't save, your changes will be lost."));
box.setStandardButtons(QMessageBox::Discard | QMessageBox::Cancel | QMessageBox::Save);
box.setDefaultButton(QMessageBox::Save);
box.setEscapeButton(QMessageBox::Cancel);
QCheckBox checkBox(QObject::tr("Apply answer to all"));
ParameterGrp::handle hGrp;
if(addCheckbox) {
hGrp = App::GetApplication().GetUserParameter().
GetGroup("BaseApp")->GetGroup("Preferences")->GetGroup("General");
checkBox.setChecked(hGrp->GetBool("ConfirmAll",false));
checkBox.blockSignals(true);
box.addButton(&checkBox, QMessageBox::ResetRole);
}
// add shortcuts
QAbstractButton* saveBtn = box.button(QMessageBox::Save);
if (saveBtn->shortcut().isEmpty()) {
QString text = saveBtn->text();
text.prepend(QLatin1Char('&'));
saveBtn->setShortcut(QKeySequence::mnemonic(text));
}
QAbstractButton* discardBtn = box.button(QMessageBox::Discard);
if (discardBtn->shortcut().isEmpty()) {
QString text = discardBtn->text();
text.prepend(QLatin1Char('&'));
discardBtn->setShortcut(QKeySequence::mnemonic(text));
}
int res = 0;
switch (box.exec())
{
case QMessageBox::Save:
res = checkBox.isChecked()?2:1;
break;
case QMessageBox::Discard:
res = checkBox.isChecked()?-2:-1;
break;
}
if(addCheckbox && res)
hGrp->SetBool("ConfirmAll",checkBox.isChecked());
return res;
}
bool MainWindow::closeAllDocuments (bool close)
{
auto docs = App::GetApplication().getDocuments();
try {
docs = App::Document::getDependentDocuments(docs,true);
}catch(Base::Exception &e) {
e.ReportException();
}
bool checkModify = true;
bool saveAll = false;
for(auto doc : docs) {
auto gdoc = Application::Instance->getDocument(doc);
if(!gdoc)
continue;
if(!gdoc->canClose(false))
return false;
if(!gdoc->isModified() || doc->testStatus(App::Document::PartialDoc))
continue;
bool save = saveAll;
if(!save && checkModify) {
int res = confirmSave(doc->Label.getStrValue().c_str(),this,docs.size()>1);
if(res==0)
return false;
if(res>0) {
save = true;
if(res==2)
saveAll = true;
} else if(res==-2)
checkModify = false;
}
if(save && !gdoc->save())
return false;
}
if(close)
App::GetApplication().closeAllDocuments();
// d->mdiArea->closeAllSubWindows();
return true;
}
void MainWindow::activateNextWindow ()
{
d->mdiArea->activateNextSubWindow();
}
void MainWindow::activatePreviousWindow ()
{
d->mdiArea->activatePreviousSubWindow();
}
void MainWindow::activateWorkbench(const QString& name)
{
// emit this signal
workbenchActivated(name);
updateActions(true);
}
void MainWindow::whatsThis()
{
QWhatsThis::enterWhatsThisMode();
}
void MainWindow::showDocumentation(const QString& help)
{
QUrl url(help);
if (url.scheme().isEmpty()) {
QString page;
page = QString::fromUtf8("%1.html").arg(help);
d->assistant->showDocumentation(page);
}
else {
QDesktopServices::openUrl(url);
}
}
bool MainWindow::event(QEvent *e)
{
if (e->type() == QEvent::EnterWhatsThisMode) {
// Unfortunately, for top-level widgets such as menus or dialogs we
// won't be notified when the user clicks the link in the hypertext of
// the what's this text. Thus, we have to install the main window to
// the application to observe what happens in eventFilter().
d->whatstext.clear();
if (!d->whatsthis) {
d-> whatsthis = true;
qApp->installEventFilter(this);
}
}
else if (e->type() == QEvent::LeaveWhatsThisMode) {
// Here we can't do anything because this event is sent
// before the WhatThisClicked event is sent. Thus, we handle
// this in eventFilter().
}
else if (e->type() == QEvent::WhatsThisClicked) {
QWhatsThisClickedEvent* wt = static_cast<QWhatsThisClickedEvent*>(e);
showDocumentation(wt->href());
}
else if (e->type() == QEvent::ApplicationWindowIconChange) {
// if application icon changes apply it to the main window and the "About..." dialog
this->setWindowIcon(QApplication::windowIcon());
Command* about = Application::Instance->commandManager().getCommandByName("Std_About");
if (about) {
Action* action = about->getAction();
if (action) action->setIcon(QApplication::windowIcon());
}
}
else if (e->type() == Spaceball::ButtonEvent::ButtonEventType) {
Spaceball::ButtonEvent *buttonEvent = dynamic_cast<Spaceball::ButtonEvent *>(e);
if (!buttonEvent)
return true;
buttonEvent->setHandled(true);
//only going to respond to button press events.
if (buttonEvent->buttonStatus() != Spaceball::BUTTON_PRESSED)
return true;
ParameterGrp::handle group = App::GetApplication().GetUserParameter().GetGroup("BaseApp")->
GetGroup("Spaceball")->GetGroup("Buttons");
QByteArray groupName(QVariant(buttonEvent->buttonNumber()).toByteArray());
if (group->HasGroup(groupName.data())) {
ParameterGrp::handle commandGroup = group->GetGroup(groupName.data());
std::string commandName(commandGroup->GetASCII("Command"));
if (commandName.empty())
return true;
else
Application::Instance->commandManager().runCommandByName(commandName.c_str());
}
else
return true;
}
else if (e->type() == Spaceball::MotionEvent::MotionEventType) {
Spaceball::MotionEvent *motionEvent = dynamic_cast<Spaceball::MotionEvent *>(e);
if (!motionEvent)
return true;
motionEvent->setHandled(true);
Gui::Document *doc = Application::Instance->activeDocument();
if (!doc)
return true;
View3DInventor *temp = dynamic_cast<View3DInventor *>(doc->getActiveView());
if (!temp)
return true;
View3DInventorViewer *view = temp->getViewer();
if (!view)
return true;
QWidget *viewWidget = view->getGLWidget();
if (viewWidget) {
Spaceball::MotionEvent anotherEvent(*motionEvent);
qApp->sendEvent(viewWidget, &anotherEvent);
}
return true;
}else if(e->type() == QEvent::StatusTip) {
// make sure warning and error message don't get blocked by tooltips
if(std::abs(d->currentStatusType) <= MainWindow::Wrn)
return true;
}
return QMainWindow::event(e);
}
bool MainWindow::eventFilter(QObject* o, QEvent* e)
{
if (o != this) {
if (e->type() == QEvent::WindowStateChange) {
// notify all mdi views when the active view receives a show normal, show minimized
// or show maximized event
MDIView * view = qobject_cast<MDIView*>(o);
if (view) { // emit this signal
Qt::WindowStates oldstate = static_cast<QWindowStateChangeEvent*>(e)->oldState();
Qt::WindowStates newstate = view->windowState();
if (oldstate != newstate)
windowStateChanged(view);
}
}
// We don't want to show the bubble help for the what's this text but want to
// start the help viewer with the according key word.
// Thus, we have to observe WhatThis events if called for a widget, use its text and
// must avoid to make the bubble widget visible.
if (e->type() == QEvent::WhatsThis) {
if (!o->isWidgetType())
return false;
// clicked on a widget in what's this mode
QWidget * w = static_cast<QWidget *>(o);
d->whatstext = w->whatsThis();
}
if (e->type() == QEvent::WhatsThisClicked) {
// if the widget is a top-level window
if (o->isWidgetType() && qobject_cast<QWidget*>(o)->isWindow()) {
// re-direct to the widget
QApplication::sendEvent(this, e);
}
}
// special treatment for menus because they directly call QWhatsThis::showText()
// whereby we must be informed for which action the help should be shown
if (o->inherits("QMenu") && QWhatsThis::inWhatsThisMode()) {
bool whatthis = false;
if (e->type() == QEvent::KeyPress) {
QKeyEvent* ke = static_cast<QKeyEvent*>(e);
if (ke->key() == Qt::Key_Return || ke->key() == Qt::Key_Enter || ke->key() == Qt::Key_F1)
whatthis = true;
}
else if (e->type() == QEvent::MouseButtonRelease)
whatthis = true;
else if (e->type() == QEvent::EnterWhatsThisMode)
whatthis = true;
if (whatthis) {
QAction* cur = static_cast<QMenu*>(o)->activeAction();
if (cur) {
// get the help text for later usage
QString s = cur->whatsThis();
if (s.isEmpty())
s = static_cast<QMenu*>(o)->whatsThis();
d->whatstext = s;
}
}
}
if (o->inherits("QWhatsThat") && e->type() == QEvent::Show) {
// the bubble help should become visible which we avoid by marking the widget
// that it is out of range. Instead of, we show the help viewer
if (!d->whatstext.isEmpty()) {
QWhatsThisClickedEvent e(d->whatstext);
QApplication::sendEvent(this, &e);
}
static_cast<QWidget *>(o)->setAttribute(Qt::WA_OutsideWSRange);
return true;
}
if (o->inherits("QWhatsThat") && e->type() == QEvent::Hide) {
// leave what's this mode
if (d->whatsthis) {
d->whatsthis = false;
d->whatstext.clear();
qApp->removeEventFilter(this);
}
}
}
return QMainWindow::eventFilter(o, e);
}
void MainWindow::addWindow(MDIView* view)
{
// make workspace parent of view
bool isempty = d->mdiArea->subWindowList().isEmpty();
QMdiSubWindow* child = qobject_cast<QMdiSubWindow*>(view->parentWidget());
if(!child) {
child = new QMdiSubWindow(d->mdiArea->viewport());
child->setAttribute(Qt::WA_DeleteOnClose);
child->setWidget(view);
child->setWindowIcon(view->windowIcon());
QMenu* menu = child->systemMenu();
// See StdCmdCloseActiveWindow (#0002631)
QList<QAction*> acts = menu->actions();
for (QList<QAction*>::iterator it = acts.begin(); it != acts.end(); ++it) {
if ((*it)->shortcut() == QKeySequence(QKeySequence::Close)) {
(*it)->setShortcuts(QList<QKeySequence>());
break;
}
}
QAction* action = menu->addAction(tr("Close All"));
connect(action, SIGNAL(triggered()), d->mdiArea, SLOT(closeAllSubWindows()));
d->mdiArea->addSubWindow(child);
}
connect(view, SIGNAL(message(const QString&, int)),
this, SLOT(showMessage(const QString&, int)));
connect(this, SIGNAL(windowStateChanged(MDIView*)),
view, SLOT(windowStateChanged(MDIView*)));
// listen to the incoming events of the view
view->installEventFilter(this);
// show the very first window in maximized mode
if (isempty)
view->showMaximized();
else
view->show();
}
/**
* Removes the instance of Gui::MDiView from the main window and sends am event
* to the parent widget, a QMdiSubWindow to delete itself.
* If you want to avoid that the Gui::MDIView instance gets destructed too you
* must reparent it afterwards, e.g. set parent to NULL.
*/
void MainWindow::removeWindow(Gui::MDIView* view, bool close)
{
// free all connections
disconnect(view, SIGNAL(message(const QString&, int)),
this, SLOT(showMessage(const QString&, int )));
disconnect(this, SIGNAL(windowStateChanged(MDIView*)),
view, SLOT(windowStateChanged(MDIView*)));
view->removeEventFilter(this);
// check if the focus widget is a child of the view
QWidget* foc = this->focusWidget();
if (foc) {
QWidget* par = foc->parentWidget();
while (par) {
if (par == view) {
foc->clearFocus();
break;
}
par = par->parentWidget();
}
}
QWidget* parent = view->parentWidget();
// The call of 'd->mdiArea->removeSubWindow(parent)' causes the QMdiSubWindow
// to lose its parent and thus the notification in QMdiSubWindow::closeEvent
// of other mdi windows to get maximized if this window is maximized will fail.
// However, we must let it here otherwise deleting MDI child views directly can
// cause other problems.
//
// The above mentioned problem can be fixed by setParent(0) which triggers a
// ChildRemoved event being handled properly inside QMidArea::viewportEvent()
//
auto subwindow = qobject_cast<QMdiSubWindow*>(parent);
if(subwindow && d->mdiArea->subWindowList().contains(subwindow)) {
subwindow->setParent(0);
assert(!d->mdiArea->subWindowList().contains(subwindow));
// d->mdiArea->removeSubWindow(parent);
}
if(close)
parent->deleteLater();
updateActions();
}
void MainWindow::tabChanged(MDIView* view)
{
Q_UNUSED(view);
updateActions();
}
void MainWindow::tabCloseRequested(int index)
{
QTabBar* tab = d->mdiArea->findChild<QTabBar*>();
if (index < 0 || index >= tab->count())
return;
const QList<QMdiSubWindow *> subWindows = d->mdiArea->subWindowList();
Q_ASSERT(index < subWindows.size());
QMdiSubWindow *subWindow = d->mdiArea->subWindowList().at(index);
Q_ASSERT(subWindow);
subWindow->close();
updateActions();
}
void MainWindow::onSetActiveSubWindow(QWidget *window)
{
if (!window)
return;
d->mdiArea->setActiveSubWindow(qobject_cast<QMdiSubWindow *>(window));
updateActions();
}
void MainWindow::setActiveWindow(MDIView* view)
{
if (!view || d->activeView == view)
return;