/
qgisapp.cpp
15439 lines (13385 loc) · 559 KB
/
qgisapp.cpp
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/***************************************************************************
qgisapp.cpp - description
-------------------
begin : Sat Jun 22 2002
copyright : (C) 2002 by Gary E.Sherman
email : sherman at mrcc.com
Romans 3:23=>Romans 6:23=>Romans 10:9,10=>Romans 12
***************************************************************************/
/***************************************************************************
* *
* 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. *
* *
***************************************************************************/
#include <QObject>
#include <QAction>
#include <QApplication>
#include <QBitmap>
#include <QCheckBox>
#include <QClipboard>
#include <QColor>
#include <QCursor>
#include <QDesktopServices>
#include <QDesktopWidget>
#include <QDialog>
#include <QDialogButtonBox>
#include <QDir>
#include <QEvent>
#include <QFile>
#include <QFileInfo>
#include <QImageWriter>
#include <QInputDialog>
#include <QKeyEvent>
#include <QLabel>
#include <QLibrary>
#include <QMenu>
#include <QMenuBar>
#include <QMessageBox>
#include <QPainter>
#include <QPictureIO>
#include <QPixmap>
#include <QPoint>
#include <QPrinter>
#include <QProcess>
#include <QProgressBar>
#include <QProgressDialog>
#include <QRegExp>
#include <QRegExpValidator>
#include <QScreen>
#include <QShortcut>
#include <QSpinBox>
#include <QSplashScreen>
#ifndef QT_NO_SSL
#include <QSslConfiguration>
#endif
#include <QStatusBar>
#include <QStringList>
#include <QSysInfo>
#include <QTcpSocket>
#include <QTextStream>
#include <QtGlobal>
#include <QThread>
#include <QTimer>
#include <QToolButton>
#include <QUuid>
#include <QVBoxLayout>
#include <QWhatsThis>
#include <QWidgetAction>
#include <mutex>
#include "qgssettings.h"
#include "qgsnetworkaccessmanager.h"
#include "qgsrelationmanager.h"
#include "qgsapplication.h"
#include "qgslayerstylingwidget.h"
#include "qgstaskmanager.h"
#include "qgsweakrelation.h"
#include "qgsziputils.h"
#include "qgsbrowserguimodel.h"
#include "qgsvectorlayerjoinbuffer.h"
#include "qgsgeometryvalidationservice.h"
#include "qgssourceselectproviderregistry.h"
#include "qgssourceselectprovider.h"
#include "qgsprovidermetadata.h"
#include "qgsfixattributedialog.h"
#include "qgsanalysis.h"
#include "qgsgeometrycheckregistry.h"
#ifdef HAVE_3D
#include "qgsabstract3drenderer.h"
#include "qgs3danimationsettings.h"
#include "qgs3danimationwidget.h"
#include "qgs3dmapcanvasdockwidget.h"
#include "qgs3drendererregistry.h"
#include "qgs3dmapcanvas.h"
#include "qgs3dmapsettings.h"
#include "qgscameracontroller.h"
#include "qgsflatterraingenerator.h"
#include "qgslayoutitem3dmap.h"
#include "qgsrulebased3drenderer.h"
#include "qgsvectorlayer3drenderer.h"
#include "qgsmeshlayer3drenderer.h"
#include "processing/qgs3dalgorithms.h"
#include "qgs3dmaptoolmeasureline.h"
#include "layout/qgslayout3dmapwidget.h"
#include "layout/qgslayoutviewrubberband.h"
#endif
#include "qgsgui.h"
#include "qgsnative.h"
#include "qgsdatasourceselectdialog.h"
#ifdef HAVE_OPENCL
#include "qgsopenclutils.h"
#endif
#include <QNetworkReply>
#include <QNetworkProxy>
#include <QAuthenticator>
Q_GUI_EXPORT extern int qt_defaultDpiX();
//
// Mac OS X Includes
// Must include before GEOS 3 due to unqualified use of 'Point'
//
#ifdef Q_OS_MACX
#include <ApplicationServices/ApplicationServices.h>
#include "qgsmacnative.h"
// check macro breaks QItemDelegate
#ifdef check
#undef check
#endif
#endif
//
// QGIS Specific Includes
//
#include "qgscrashhandler.h"
#include "qgisapp.h"
#include "qgisappinterface.h"
#include "qgisappstylesheet.h"
#include "qgis.h"
#include "qgisplugin.h"
#include "qgsabout.h"
#include "qgsalignrasterdialog.h"
#include "qgsappauthrequesthandler.h"
#include "qgsappbrowserproviders.h"
#include "qgsapplayertreeviewmenuprovider.h"
#include "qgsapplication.h"
#include "qgsappsslerrorhandler.h"
#include "qgsactionmanager.h"
#include "qgsannotationmanager.h"
#include "qgsannotationregistry.h"
#include "qgsattributetabledialog.h"
#include "qgsattributedialog.h"
#include "qgsauthmanager.h"
#include "qgsauthguiutils.h"
#ifndef QT_NO_SSL
#include "qgsauthcertutils.h"
#include "qgsauthsslerrorsdialog.h"
#endif
#include "qgsappscreenshots.h"
#include "qgsbookmarks.h"
#include "qgsbookmarkeditordialog.h"
#include "qgsbrowserdockwidget.h"
#include "qgsadvanceddigitizingdockwidget.h"
#include "qgsclipboard.h"
#include "qgsconfigureshortcutsdialog.h"
#include "qgscoordinatetransform.h"
#include "qgscoordinateutils.h"
#include "qgscredentialdialog.h"
#include "qgscustomdrophandler.h"
#include "qgscustomization.h"
#include "qgscustomlayerorderwidget.h"
#include "qgscustomprojectiondialog.h"
#include "qgsdataitemproviderregistry.h"
#include "qgsdataitemguiproviderregistry.h"
#include "qgsdatasourceuri.h"
#include "qgsdatumtransformdialog.h"
#include "qgsdoublespinbox.h"
#include "qgsdockwidget.h"
#include "qgsdxfexport.h"
#include "qgsdxfexportdialog.h"
#include "qgsdwgimportdialog.h"
#include "qgsdecorationtitle.h"
#include "qgsdecorationcopyright.h"
#include "qgsdecorationimage.h"
#include "qgsdecorationnortharrow.h"
#include "qgsdecorationscalebar.h"
#include "qgsdecorationgrid.h"
#include "qgsdecorationlayoutextent.h"
#include "qgsencodingfiledialog.h"
#include "qgserror.h"
#include "qgserrordialog.h"
#include "qgseventtracing.h"
#include "qgsexception.h"
#include "qgsexpressionselectiondialog.h"
#include "qgsfeature.h"
#include "qgsfieldcalculator.h"
#include "qgsfieldformatter.h"
#include "qgsfieldformatterregistry.h"
#include "qgsformannotation.h"
#include "qgsgeos.h"
#include "qgsguiutils.h"
#include "qgshtmlannotation.h"
#include "qgsprojectionselectiondialog.h"
#include "qgsgpsinformationwidget.h"
#include "qgsguivectorlayertools.h"
#include "qgslabelingwidget.h"
#include "qgsdiagramproperties.h"
#include "qgslayerdefinition.h"
#include "qgslayertree.h"
#include "qgslayertreemapcanvasbridge.h"
#include "qgslayertreemodel.h"
#include "qgslayertreemodellegendnode.h"
#include "qgslayertreeregistrybridge.h"
#include "qgslayertreeutils.h"
#include "qgslayertreeview.h"
#include "qgslayertreeviewdefaultactions.h"
#include "qgslayertreeviewembeddedindicator.h"
#include "qgslayertreeviewfilterindicator.h"
#include "qgslayertreeviewmemoryindicator.h"
#include "qgslayertreeviewbadlayerindicator.h"
#include "qgslayertreeviewnonremovableindicator.h"
#include "qgslayertreeviewnocrsindicator.h"
#include "qgslayout.h"
#include "qgslayoutatlas.h"
#include "qgslayoutcustomdrophandler.h"
#include "qgslayoutdesignerdialog.h"
#include "qgslayoutitemguiregistry.h"
#include "qgslayoutmanager.h"
#include "qgslayoutqptdrophandler.h"
#include "qgslayoutimagedrophandler.h"
#include "qgslayoutguiutils.h"
#include "qgslocatorwidget.h"
#include "qgslocator.h"
#include "qgsinbuiltlocatorfilters.h"
#include "qgslogger.h"
#include "qgsmapcanvas.h"
#include "qgsmapcanvasdockwidget.h"
#include "qgsmapcanvassnappingutils.h"
#include "qgsmapcanvastracer.h"
#include "qgsmaplayer.h"
#include "qgsmaplayerstyleguiutils.h"
#include "qgsmapoverviewcanvas.h"
#include "qgsmapsettings.h"
#include "qgsmaptip.h"
#include "qgsmenuheader.h"
#include "qgsmergeattributesdialog.h"
#include "qgsmessageviewer.h"
#include "qgsmessagebar.h"
#include "qgsmessagebaritem.h"
#include "qgsmeshlayer.h"
#include "qgsmeshlayerproperties.h"
#include "qgsmemoryproviderutils.h"
#include "qgsmimedatautils.h"
#include "qgsmessagelog.h"
#include "qgsmultibandcolorrenderer.h"
#include "qgsnative.h"
#include "qgsnativealgorithms.h"
#include "qgsnewvectorlayerdialog.h"
#include "qgsnewmemorylayerdialog.h"
#include "qgsoptions.h"
#include "qgspluginlayer.h"
#include "qgspluginlayerregistry.h"
#include "qgspluginmanager.h"
#include "qgspluginregistry.h"
#include "qgspointxy.h"
#include "qgspuzzlewidget.h"
#include "qgsruntimeprofiler.h"
#include "qgshandlebadlayers.h"
#include "qgsprintlayout.h"
#include "qgsprocessingregistry.h"
#include "qgsproject.h"
#include "qgsprojectlayergroupdialog.h"
#include "qgsprojectproperties.h"
#include "qgsprojectstorage.h"
#include "qgsprojectstorageguiprovider.h"
#include "qgsprojectstorageguiregistry.h"
#include "qgsprojectstorageregistry.h"
#include "qgsproviderregistry.h"
#include "qgsproviderguiregistry.h"
#include "qgspythonrunner.h"
#include "qgsproxyprogresstask.h"
#include "qgsquerybuilder.h"
#include "qgsrastercalcdialog.h"
#include "qgsmeshcalculatordialog.h"
#include "qgsrasterfilewriter.h"
#include "qgsrasterfilewritertask.h"
#include "qgsrasteriterator.h"
#include "qgsrasterlayer.h"
#include "qgsrasterlayerproperties.h"
#include "qgsrasternuller.h"
#include "qgsbrightnesscontrastfilter.h"
#include "qgsrasterrenderer.h"
#include "qgsrasterlayersaveasdialog.h"
#include "qgsrasterprojector.h"
#include "qgsreadwritecontext.h"
#include "qgsrectangle.h"
#include "qgsreport.h"
#include "qgsscalevisibilitydialog.h"
#include "qgsgroupwmsdatadialog.h"
#include "qgsselectbyformdialog.h"
#include "qgsshortcutsmanager.h"
#include "qgssinglebandgrayrenderer.h"
#include "qgssnappingwidget.h"
#include "qgsstatisticalsummarydockwidget.h"
#include "qgsstatusbar.h"
#include "qgsstatusbarcoordinateswidget.h"
#include "qgsstatusbarmagnifierwidget.h"
#include "qgsstatusbarscalewidget.h"
#include "qgsstyle.h"
#include "qgssvgannotation.h"
#include "qgstaskmanager.h"
#include "qgstaskmanagerwidget.h"
#include "qgssymbolselectordialog.h"
#include "qgstextannotation.h"
#include "qgsundowidget.h"
#include "qgsuserinputwidget.h"
#include "qgsvectordataprovider.h"
#include "qgsvectorfilewriter.h"
#include "qgsvectorlayer.h"
#include "qgsvectorlayerproperties.h"
#include "qgsmapthemes.h"
#include "qgsmessagelogviewer.h"
#include "qgsdataitem.h"
#include "qgsmaplayeractionregistry.h"
#include "qgswelcomepage.h"
#include "qgsversioninfo.h"
#include "qgslegendfilterbutton.h"
#include "qgsvirtuallayerdefinition.h"
#include "qgsvirtuallayerdefinitionutils.h"
#include "qgstransaction.h"
#include "qgstransactiongroup.h"
#include "qgsvectorlayerjoininfo.h"
#include "qgsvectorlayerutils.h"
#include "qgshelp.h"
#include "qgsvectorfilewritertask.h"
#include "qgsmapsavedialog.h"
#include "qgsmaprenderertask.h"
#include "qgsmapdecoration.h"
#include "qgsnewnamedialog.h"
#include "qgsgui.h"
#include "qgsdatasourcemanagerdialog.h"
#include "qgsappwindowmanager.h"
#include "qgsvaliditycheckregistry.h"
#include "qgsappcoordinateoperationhandlers.h"
#include "qgsprojectviewsettings.h"
#include "qgscoordinateformatter.h"
#include "qgslocaldefaultsettings.h"
#include "qgsbearingnumericformat.h"
#include "qgsprojectdisplaysettings.h"
#include "qgsuserprofilemanager.h"
#include "qgsuserprofile.h"
#include "browser/qgsinbuiltdataitemproviders.h"
#include "qgssublayersdialog.h"
#include "ogr/qgsvectorlayersaveasdialog.h"
#ifdef ENABLE_MODELTEST
#include "modeltest.h"
#endif
//
// GDAL/OGR includes
//
#include <ogr_api.h>
#include <gdal_version.h>
#if PROJ_VERSION_MAJOR > 4
#include <proj.h>
#else
#include <proj_api.h>
#endif
//
// Other includes
//
#include <algorithm>
#include <cassert>
#include <cmath>
#include <functional>
#include <iomanip>
#include <list>
#include <memory>
#include <vector>
//
// Map tools
//
#include "qgsmaptooladdpart.h"
#include "qgsmaptooladdfeature.h"
#include "qgsmaptooladdring.h"
#include "qgsmaptoolfillring.h"
#include "qgsmaptoolannotation.h"
#include "qgsmaptoolcircularstringcurvepoint.h"
#include "qgsmaptoolcircularstringradius.h"
#include "qgsmaptoolcircle2points.h"
#include "qgsmaptoolcircle3points.h"
#include "qgsmaptoolcircle3tangents.h"
#include "qgsmaptoolcircle2tangentspoint.h"
#include "qgsmaptoolcirclecenterpoint.h"
#include "qgsmaptoolellipsecenter2points.h"
#include "qgsmaptoolellipsecenterpoint.h"
#include "qgsmaptoolellipseextent.h"
#include "qgsmaptoolellipsefoci.h"
#include "qgsmaptoolrectanglecenter.h"
#include "qgsmaptoolrectangleextent.h"
#include "qgsmaptoolrectangle3points.h"
#include "qgsmaptoolregularpolygon2points.h"
#include "qgsmaptoolregularpolygoncenterpoint.h"
#include "qgsmaptoolregularpolygoncentercorner.h"
#include "qgsmaptooldeletering.h"
#include "qgsmaptooldeletepart.h"
#include "qgsmaptoolfeatureaction.h"
#include "qgsmaptoolformannotation.h"
#include "qgsmaptoolhtmlannotation.h"
#include "qgsmaptoolidentifyaction.h"
#include "qgsmaptoolmeasureangle.h"
#include "qgsmaptoolmovefeature.h"
#include "qgsmaptoolrotatefeature.h"
#include "qgsmaptooloffsetcurve.h"
#include "qgsmaptooloffsetpointsymbol.h"
#include "qgsmaptoolpan.h"
#include "qgsmaptoolselect.h"
#include "qgsmaptoolsvgannotation.h"
#include "qgsmaptoolreshape.h"
#include "qgsmaptoolrotatepointsymbols.h"
#include "qgsmaptoolsplitfeatures.h"
#include "qgsmaptoolsplitparts.h"
#include "qgsmaptooltextannotation.h"
#include "qgsmaptoolzoom.h"
#include "qgsmaptoolsimplify.h"
#include "qgsmeasuretool.h"
#include "qgsmaptoolpinlabels.h"
#include "qgsmaptoolshowhidelabels.h"
#include "qgsmaptoolmovelabel.h"
#include "qgsmaptoolrotatelabel.h"
#include "qgsmaptoolchangelabelproperties.h"
#include "qgsmaptoolreverseline.h"
#include "qgsgeometryvalidationmodel.h"
#include "qgsgeometryvalidationdock.h"
#include "qgsmaptooltrimextendfeature.h"
#include "qgslayoutvaliditychecks.h"
#include "vertextool/qgsvertextool.h"
// Editor widgets
#include "qgseditorwidgetregistry.h"
//
// Conditional Includes
//
#ifdef HAVE_PGCONFIG
#undef PACKAGE_BUGREPORT
#undef PACKAGE_NAME
#undef PACKAGE_STRING
#undef PACKAGE_TARNAME
#undef PACKAGE_VERSION
#include <pg_config.h>
#else
#define PG_VERSION "unknown"
#endif
#include <sqlite3.h>
extern "C"
{
#include <spatialite.h>
}
#include "qgsnewspatialitelayerdialog.h"
#include "qgsnewgeopackagelayerdialog.h"
#ifdef WITH_BINDINGS
#include "qgspythonutils.h"
#endif
#ifndef Q_OS_WIN
#include <dlfcn.h>
#else
#include <windows.h>
#include <dbghelp.h>
#endif
class QTreeWidgetItem;
class QgsUserProfileManager;
class QgsUserProfile;
/**
* Set the application title bar text
If the current project title is null
if the project file is null then
set title text to just application name
else
set set title text to the project file name
else
set the title text to project title
*/
static void setTitleBarText_( QWidget &qgisApp )
{
QString caption;
if ( QgsProject::instance()->title().isEmpty() )
{
if ( QgsProject::instance()->fileName().isEmpty() )
{
// new project
caption = QgisApp::tr( "Untitled Project" );
}
else
{
caption = QgsProject::instance()->baseName();
}
}
else
{
caption = QgsProject::instance()->title();
}
if ( !caption.isEmpty() )
{
caption += QLatin1String( " - " );
}
if ( QgsProject::instance()->isDirty() )
caption.prepend( '*' );
caption += QgisApp::tr( "QGIS" );
if ( Qgis::version().endsWith( QLatin1String( "Master" ) ) )
{
caption += QStringLiteral( " %1" ).arg( Qgis::devVersion() );
}
if ( QgisApp::instance()->userProfileManager()->allProfiles().count() > 1 )
{
// add current profile (if it's not the default one)
QgsUserProfile *profile = QgisApp::instance()->userProfileManager()->userProfile();
if ( profile->name() != QLatin1String( "default" ) )
caption += QStringLiteral( " [%1]" ).arg( profile->name() );
}
qgisApp.setWindowTitle( caption );
}
/**
Creator function for output viewer
*/
static QgsMessageOutput *messageOutputViewer_()
{
if ( QThread::currentThread() == qApp->thread() )
return new QgsMessageViewer( QgisApp::instance() );
else
return new QgsMessageOutputConsole();
}
static void customSrsValidation_( QgsCoordinateReferenceSystem &srs )
{
const QgsOptions::UnknownLayerCrsBehavior mode = QgsSettings().enumValue( QStringLiteral( "/projections/unknownCrsBehavior" ), QgsOptions::UnknownLayerCrsBehavior::NoAction, QgsSettings::App );
switch ( mode )
{
case QgsOptions::UnknownLayerCrsBehavior::NoAction:
return;
case QgsOptions::UnknownLayerCrsBehavior::UseDefaultCrs:
srs.createFromOgcWmsCrs( QgsSettings().value( QStringLiteral( "Projections/layerDefaultCrs" ), geoEpsgCrsAuthId() ).toString() );
break;
case QgsOptions::UnknownLayerCrsBehavior::PromptUserForCrs:
case QgsOptions::UnknownLayerCrsBehavior::UseProjectCrs:
// can't take any action immediately for these -- we may be in a background thread
break;
}
if ( QThread::currentThread() != QApplication::instance()->thread() )
{
// Running in a background thread -- we can't queue this connection, because
// srs is a reference and may be deleted before the queued slot is called.
// We also can't do ANY gui related stuff here. Best we can do is log
// a warning and move on...
QgsMessageLog::logMessage( QObject::tr( "Layer has unknown CRS" ) );
}
else
{
QgisApp::instance()->emitCustomCrsValidation( srs );
}
}
void QgisApp::emitCustomCrsValidation( QgsCoordinateReferenceSystem &srs )
{
emit customCrsValidation( srs );
}
void QgisApp::layerTreeViewDoubleClicked( const QModelIndex &index )
{
Q_UNUSED( index )
QgsSettings settings;
switch ( settings.value( QStringLiteral( "qgis/legendDoubleClickAction" ), 0 ).toInt() )
{
case 0:
{
//show properties
if ( mLayerTreeView )
{
// if it's a legend node, open symbol editor directly
if ( QgsSymbolLegendNode *node = qobject_cast<QgsSymbolLegendNode *>( mLayerTreeView->currentLegendNode() ) )
{
const QgsSymbol *originalSymbol = node->symbol();
if ( !originalSymbol )
return;
std::unique_ptr< QgsSymbol > symbol( originalSymbol->clone() );
QgsVectorLayer *vlayer = qobject_cast<QgsVectorLayer *>( node->layerNode()->layer() );
QgsSymbolSelectorDialog dlg( symbol.get(), QgsStyle::defaultStyle(), vlayer, this );
QgsSymbolWidgetContext context;
context.setMapCanvas( mMapCanvas );
context.setMessageBar( mInfoBar );
dlg.setContext( context );
if ( dlg.exec() )
{
node->setSymbol( symbol.release() );
}
return;
}
}
QgisApp::instance()->layerProperties();
break;
}
case 1:
{
QgsSettings settings;
QgsAttributeTableFilterModel::FilterMode initialMode = settings.enumValue( QStringLiteral( "qgis/attributeTableBehavior" ), QgsAttributeTableFilterModel::ShowAll );
QgisApp::instance()->attributeTable( initialMode );
break;
}
case 2:
mapStyleDock( true );
break;
default:
break;
}
}
void QgisApp::onActiveLayerChanged( QgsMapLayer *layer )
{
if ( mBlockActiveLayerChanged )
return;
const QList< QgsMapCanvas * > canvases = mapCanvases();
for ( QgsMapCanvas *canvas : canvases )
canvas->setCurrentLayer( layer );
if ( mUndoWidget )
{
if ( layer )
{
mUndoWidget->setUndoStack( layer->undoStack() );
}
else
{
mUndoWidget->destroyStack();
}
updateUndoActions();
}
emit activeLayerChanged( layer );
}
void QgisApp::vectorLayerStyleLoaded( QgsMapLayer::StyleCategories categories )
{
QgsVectorLayer *vl = qobject_cast<QgsVectorLayer *>( sender() );
if ( vl && vl->isValid( ) )
{
// Check broken dependencies in forms
if ( categories.testFlag( QgsMapLayer::StyleCategory::Forms ) )
{
resolveVectorLayerDependencies( vl );
}
// Check broken relations and try to restore them
if ( categories.testFlag( QgsMapLayer::StyleCategory::Relations ) )
{
resolveVectorLayerWeakRelations( vl );
}
}
}
void QgisApp::toggleEventTracing()
{
QgsSettings settings;
if ( !settings.value( QStringLiteral( "qgis/enableEventTracing" ), false ).toBool() )
{
// make sure the setting is available in Options > Advanced
if ( !settings.contains( QStringLiteral( "qgis/enableEventTracing" ) ) )
settings.setValue( QStringLiteral( "qgis/enableEventTracing" ), false );
messageBar()->pushWarning( tr( "Event Tracing" ), tr( "Tracing is not enabled. Look for \"enableEventTracing\" in Options > Advanced." ) );
return;
}
if ( !QgsEventTracing::isTracingEnabled() )
{
messageBar()->pushSuccess( tr( "Event Tracing" ), tr( "Tracing started." ) );
QgsEventTracing::startTracing();
}
else
{
QgsEventTracing::stopTracing();
QString fileName = QFileDialog::getSaveFileName( this, tr( "Save Event Trace..." ), QString(), tr( "Event Traces (*.json)" ) );
if ( !fileName.isEmpty() )
QgsEventTracing::writeTrace( fileName );
}
}
/*
* This function contains forced validation of CRS used in QGIS.
* There are 4 options depending on the settings:
* - ask for CRS using projection selecter
* - use project's CRS
* - use predefined global CRS
* - take no action (leave as unknown CRS)
*/
void QgisApp::validateCrs( QgsCoordinateReferenceSystem &srs )
{
static QString sAuthId = QString();
const QgsOptions::UnknownLayerCrsBehavior mode = QgsSettings().enumValue( QStringLiteral( "/projections/unknownCrsBehavior" ), QgsOptions::UnknownLayerCrsBehavior::NoAction, QgsSettings::App );
switch ( mode )
{
case QgsOptions::UnknownLayerCrsBehavior::NoAction:
break;
case QgsOptions::UnknownLayerCrsBehavior::UseDefaultCrs:
{
srs.createFromOgcWmsCrs( QgsSettings().value( QStringLiteral( "Projections/layerDefaultCrs" ), geoEpsgCrsAuthId() ).toString() );
sAuthId = srs.authid();
visibleMessageBar()->pushMessage( tr( "CRS was undefined" ), tr( "defaulting to CRS %1" ).arg( srs.userFriendlyIdentifier() ), Qgis::Warning, messageTimeout() );
break;
}
case QgsOptions::UnknownLayerCrsBehavior::PromptUserForCrs:
{
// \note this class is not a descendent of QWidget so we can't pass
// it in the ctor of the layer projection selector
QgsProjectionSelectionDialog *mySelector = new QgsProjectionSelectionDialog();
mySelector->setMessage( srs.validationHint() ); //shows a generic message, if not specified
if ( sAuthId.isNull() )
sAuthId = QgsProject::instance()->crs().authid();
QgsCoordinateReferenceSystem defaultCrs( sAuthId );
if ( defaultCrs.isValid() )
{
mySelector->setCrs( defaultCrs );
}
QgsTemporaryCursorRestoreOverride cursorOverride;
if ( mySelector->exec() )
{
QgsDebugMsg( "Layer srs set from dialog: " + QString::number( mySelector->crs().srsid() ) );
srs = mySelector->crs();
sAuthId = srs.authid();
}
delete mySelector;
break;
}
case QgsOptions::UnknownLayerCrsBehavior::UseProjectCrs:
{
// XXX TODO: Change project to store selected CS as 'projectCRS' not 'selectedWkt'
srs = QgsProject::instance()->crs();
sAuthId = srs.authid();
QgsDebugMsg( "Layer srs set from project: " + sAuthId );
visibleMessageBar()->pushMessage( tr( "CRS was undefined" ), tr( "defaulting to project CRS %1" ).arg( srs.userFriendlyIdentifier() ), Qgis::Warning, messageTimeout() );
break;
}
}
}
static bool cmpByText_( QAction *a, QAction *b )
{
return QString::localeAwareCompare( a->text(), b->text() ) < 0;
}
QgisApp *QgisApp::sInstance = nullptr;
// constructor starts here
QgisApp::QgisApp( QSplashScreen *splash, bool restorePlugins, bool skipVersionCheck, const QString &rootProfileLocation, const QString &activeProfile, QWidget *parent, Qt::WindowFlags fl )
: QMainWindow( parent, fl )
, mSplash( splash )
{
if ( sInstance )
{
QMessageBox::critical(
this,
tr( "Multiple Instances of QgisApp" ),
tr( "Multiple instances of QGIS application object detected.\nPlease contact the developers.\n" ) );
abort();
}
sInstance = this;
QgsRuntimeProfiler *profiler = QgsApplication::profiler();
startProfile( QStringLiteral( "User profile manager" ) );
mUserProfileManager = new QgsUserProfileManager( QString(), this );
mUserProfileManager->setRootLocation( rootProfileLocation );
mUserProfileManager->setActiveUserProfile( activeProfile );
mUserProfileManager->setNewProfileNotificationEnabled( true );
connect( mUserProfileManager, &QgsUserProfileManager::profilesChanged, this, &QgisApp::refreshProfileMenu );
endProfile();
// load GUI: actions, menus, toolbars
profiler->beginGroup( QStringLiteral( "qgisapp" ) );
profiler->beginGroup( QStringLiteral( "startup" ) );
startProfile( QStringLiteral( "Setting up UI" ) );
setupUi( this );
// because mActionToggleMapOnly can hide the menu (thereby disabling menu actions),
// we attach the following actions to the MainWindow too (to be able to come back)
this->addAction( mActionToggleFullScreen );
this->addAction( mActionTogglePanelsVisibility );
this->addAction( mActionToggleMapOnly );
endProfile();
setDockOptions( dockOptions() | QMainWindow::GroupedDragging );
//////////
startProfile( QStringLiteral( "Checking database" ) );
mSplash->showMessage( tr( "Checking database" ), Qt::AlignHCenter | Qt::AlignBottom );
qApp->processEvents();
// Do this early on before anyone else opens it and prevents us copying it
QString dbError;
if ( !QgsApplication::createDatabase( &dbError ) )
{
QMessageBox::critical( this, tr( "Private qgis.db" ), dbError );
}
endProfile();
// Create the themes folder for the user
startProfile( QStringLiteral( "Creating theme folder" ) );
QgsApplication::createThemeFolder();
endProfile();
mSplash->showMessage( tr( "Reading settings" ), Qt::AlignHCenter | Qt::AlignBottom );
qApp->processEvents();
mSplash->showMessage( tr( "Setting up the GUI" ), Qt::AlignHCenter | Qt::AlignBottom );
qApp->processEvents();
QgsApplication::initQgis();
if ( !QgsApplication::authManager()->isDisabled() )
{
// Most of the auth initialization is now done inside initQgis, no need to profile here
masterPasswordSetup();
}
QgsSettings settings;
startProfile( QStringLiteral( "Building style sheet" ) );
// set up stylesheet builder and apply saved or default style options
mStyleSheetBuilder = new QgisAppStyleSheet( this );
connect( mStyleSheetBuilder, &QgisAppStyleSheet::appStyleSheetChanged,
this, &QgisApp::setAppStyleSheet );
endProfile();
QWidget *centralWidget = this->centralWidget();
QGridLayout *centralLayout = new QGridLayout( centralWidget );
centralWidget->setLayout( centralLayout );
centralLayout->setContentsMargins( 0, 0, 0, 0 );
// "theMapCanvas" used to find this canonical instance later
startProfile( QStringLiteral( "Creating map canvas" ) );
mMapCanvas = new QgsMapCanvas( centralWidget );
mMapCanvas->setObjectName( QStringLiteral( "theMapCanvas" ) );
// before anything, let's freeze canvas redraws
QgsCanvasRefreshBlocker refreshBlocker;
connect( mMapCanvas, &QgsMapCanvas::messageEmitted, this, &QgisApp::displayMessage );
if ( settings.value( QStringLiteral( "qgis/main_canvas_preview_jobs" ) ).isNull() )
{
// So that it appears in advanced settings
settings.setValue( QStringLiteral( "qgis/main_canvas_preview_jobs" ), true );
}
mMapCanvas->setPreviewJobsEnabled( settings.value( QStringLiteral( "qgis/main_canvas_preview_jobs" ), true ).toBool() );
// set canvas color right away
int myRed = settings.value( QStringLiteral( "qgis/default_canvas_color_red" ), 255 ).toInt();
int myGreen = settings.value( QStringLiteral( "qgis/default_canvas_color_green" ), 255 ).toInt();
int myBlue = settings.value( QStringLiteral( "qgis/default_canvas_color_blue" ), 255 ).toInt();
mMapCanvas->setCanvasColor( QColor( myRed, myGreen, myBlue ) );
endProfile();
// what type of project to auto-open
mProjOpen = settings.value( QStringLiteral( "qgis/projOpenAtLaunch" ), 0 ).toInt();
// a bar to warn the user with non-blocking messages
startProfile( QStringLiteral( "Message bar" ) );
mInfoBar = new QgsMessageBar( centralWidget );
mInfoBar->setSizePolicy( QSizePolicy::Minimum, QSizePolicy::Fixed );
centralLayout->addWidget( mInfoBar, 0, 0, 1, 1 );
endProfile();
startProfile( QStringLiteral( "Welcome page" ) );
mWelcomePage = new QgsWelcomePage( skipVersionCheck );
connect( mWelcomePage, &QgsWelcomePage::projectRemoved, this, [ this ]( int row )
{
mRecentProjects.removeAt( row );
saveRecentProjects();
updateRecentProjectPaths();
} );
connect( mWelcomePage, &QgsWelcomePage::projectPinned, this, [ this ]( int row )
{
mRecentProjects.at( row ).pin = true;
saveRecentProjects();
updateRecentProjectPaths();
} );
connect( mWelcomePage, &QgsWelcomePage::projectUnpinned, this, [ this ]( int row )
{
mRecentProjects.at( row ).pin = false;
saveRecentProjects();
updateRecentProjectPaths();
} );
endProfile();
mCentralContainer = new QStackedWidget;
mCentralContainer->insertWidget( 0, mMapCanvas );
mCentralContainer->insertWidget( 1, mWelcomePage );
centralLayout->addWidget( mCentralContainer, 0, 0, 2, 1 );
mInfoBar->raise();
connect( mMapCanvas, &QgsMapCanvas::layersChanged, this, &QgisApp::showMapCanvas );
mCentralContainer->setCurrentIndex( mProjOpen ? 0 : 1 );
startProfile( QStringLiteral( "User input dock" ) );
// User Input Dock Widget
mUserInputDockWidget = new QgsUserInputWidget( mMapCanvas );
mUserInputDockWidget->setObjectName( QStringLiteral( "UserInputDockWidget" ) );
mUserInputDockWidget->setAnchorWidget( mMapCanvas );
mUserInputDockWidget->setAnchorWidgetPoint( QgsFloatingWidget::TopRight );
mUserInputDockWidget->setAnchorPoint( QgsFloatingWidget::TopRight );
endProfile();
//set the focus to the map canvas
mMapCanvas->setFocus();
startProfile( QStringLiteral( "Layer tree" ) );
mLayerTreeView = new QgsLayerTreeView( this );
mLayerTreeView->setObjectName( QStringLiteral( "theLayerTreeView" ) ); // "theLayerTreeView" used to find this canonical instance later
endProfile();
// create undo widget
startProfile( QStringLiteral( "Undo dock" ) );
mUndoDock = new QgsDockWidget( tr( "Undo/Redo" ), this );
QShortcut *showUndoDock = new QShortcut( QKeySequence( tr( "Ctrl+5" ) ), this );
connect( showUndoDock, &QShortcut::activated, mUndoDock, &QgsDockWidget::toggleUserVisible );
showUndoDock->setObjectName( QStringLiteral( "ShowUndoPanel" ) );
showUndoDock->setWhatsThis( tr( "Show Undo/Redo Panel" ) );
mUndoWidget = new QgsUndoWidget( mUndoDock, mMapCanvas );
mUndoWidget->setObjectName( QStringLiteral( "Undo" ) );
mUndoDock->setWidget( mUndoWidget );
mUndoDock->setObjectName( QStringLiteral( "undo/redo dock" ) );
endProfile();
// Advanced Digitizing dock
startProfile( QStringLiteral( "Advanced digitize panel" ) );
mAdvancedDigitizingDockWidget = new QgsAdvancedDigitizingDockWidget( mMapCanvas, this );
mAdvancedDigitizingDockWidget->setWindowTitle( tr( "Advanced Digitizing" ) );
mAdvancedDigitizingDockWidget->setObjectName( QStringLiteral( "AdvancedDigitizingTools" ) );
QShortcut *showAdvancedDigitizingDock = new QShortcut( QKeySequence( tr( "Ctrl+4" ) ), this );
connect( showAdvancedDigitizingDock, &QShortcut::activated, mAdvancedDigitizingDockWidget, &QgsDockWidget::toggleUserVisible );
showAdvancedDigitizingDock->setObjectName( QStringLiteral( "ShowAdvancedDigitizingPanel" ) );
showAdvancedDigitizingDock->setWhatsThis( tr( "Show Advanced Digitizing Panel" ) );
endProfile();