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qgsgui.cpp
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qgsgui.cpp
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/***************************************************************************
qgsgui.cpp
----------
begin : May 2017
copyright : (C) 2017 by Nyall Dawson
email : nyall dot dawson at gmail dot com
***************************************************************************/
/***************************************************************************
* *
* 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 <QScreen>
#include <QDesktopWidget>
#include <QMessageBox>
#include "qgsgui.h"
#include "qgseditorwidgetregistry.h"
#include "qgslayertreeembeddedwidgetregistry.h"
#include "qgsmaplayeractionregistry.h"
#include "qgssourceselectproviderregistry.h"
#include "qgslayoutitemregistry.h"
#include "qgslayoutitemguiregistry.h"
#include "qgslayoutviewrubberband.h"
#include "qgsannotationitemguiregistry.h"
#ifdef Q_OS_MACX
#include "qgsmacnative.h"
#elif defined (Q_OS_WIN)
#ifndef __MINGW32__
#include "qgswinnative.h"
#else
#include "qgsnative.h"
#endif
#elif defined (Q_OS_LINUX)
#include "qgslinuxnative.h"
#else
#include "qgsnative.h"
#endif
#include "qgsprocessingguiregistry.h"
#include "qgsshortcutsmanager.h"
#include "qgswidgetstatehelper_p.h"
#include "qgslogger.h"
#include "qgsprocessingrecentalgorithmlog.h"
#include "qgswindowmanagerinterface.h"
#include "qgssettings.h"
#include "qgsdataitemguiproviderregistry.h"
#include "qgsgdalguiprovider.h"
#include "qgsogrguiprovider.h"
#include "qgsproviderregistry.h"
#include "qgsproviderguiregistry.h"
#include "qgsprojectstorageguiregistry.h"
#include "qgsmessagebar.h"
#include "qgsmessagebaritem.h"
#include "qgsnumericformatguiregistry.h"
#include "qgscodeeditorcolorschemeregistry.h"
#include "qgssubsetstringeditorproviderregistry.h"
#include "qgsprovidersourcewidgetproviderregistry.h"
#include "qgsrelationwidgetregistry.h"
#include "qgssettingsregistrygui.h"
#include "qgshistoryproviderregistry.h"
QgsGui *QgsGui::instance()
{
static QgsGui *sInstance( new QgsGui() );
return sInstance;
}
QgsNative *QgsGui::nativePlatformInterface()
{
return instance()->mNative;
}
QgsSettingsRegistryGui *QgsGui::settingsRegistryGui()
{
return instance()->mSettingsRegistryGui;
}
QgsEditorWidgetRegistry *QgsGui::editorWidgetRegistry()
{
return instance()->mEditorWidgetRegistry;
}
QgsRelationWidgetRegistry *QgsGui::relationWidgetRegistry()
{
return instance()->mRelationEditorRegistry;
}
QgsSourceSelectProviderRegistry *QgsGui::sourceSelectProviderRegistry()
{
return instance()->mSourceSelectProviderRegistry;
}
QgsSubsetStringEditorProviderRegistry *QgsGui::subsetStringEditorProviderRegistry()
{
return instance()->mSubsetStringEditorProviderRegistry;
}
QgsProviderSourceWidgetProviderRegistry *QgsGui::sourceWidgetProviderRegistry()
{
return instance()->mProviderSourceWidgetProviderRegistry;
}
QgsShortcutsManager *QgsGui::shortcutsManager()
{
return instance()->mShortcutsManager;
}
QgsLayerTreeEmbeddedWidgetRegistry *QgsGui::layerTreeEmbeddedWidgetRegistry()
{
return instance()->mLayerTreeEmbeddedWidgetRegistry;
}
QgsMapLayerActionRegistry *QgsGui::mapLayerActionRegistry()
{
return instance()->mMapLayerActionRegistry;
}
QgsLayoutItemGuiRegistry *QgsGui::layoutItemGuiRegistry()
{
return instance()->mLayoutItemGuiRegistry;
}
QgsAnnotationItemGuiRegistry *QgsGui::annotationItemGuiRegistry()
{
return instance()->mAnnotationItemGuiRegistry;
}
QgsProcessingGuiRegistry *QgsGui::processingGuiRegistry()
{
return instance()->mProcessingGuiRegistry;
}
QgsNumericFormatGuiRegistry *QgsGui::numericFormatGuiRegistry()
{
return instance()->mNumericFormatGuiRegistry;
}
QgsCodeEditorColorSchemeRegistry *QgsGui::codeEditorColorSchemeRegistry()
{
return instance()->mCodeEditorColorSchemeRegistry;
}
QgsProcessingRecentAlgorithmLog *QgsGui::processingRecentAlgorithmLog()
{
return instance()->mProcessingRecentAlgorithmLog;
}
QgsDataItemGuiProviderRegistry *QgsGui::dataItemGuiProviderRegistry()
{
return instance()->mDataItemGuiProviderRegistry;
}
QgsProjectStorageGuiRegistry *QgsGui::projectStorageGuiRegistry()
{
return instance()->mProjectStorageGuiRegistry;
}
QgsProviderGuiRegistry *QgsGui::providerGuiRegistry()
{
return instance()->mProviderGuiRegistry;
}
QgsHistoryProviderRegistry *QgsGui::historyProviderRegistry()
{
return instance()->mHistoryProviderRegistry;
}
void QgsGui::enableAutoGeometryRestore( QWidget *widget, const QString &key )
{
if ( widget->objectName().isEmpty() )
{
QgsDebugMsg( QStringLiteral( "WARNING: No object name set. Best for it to be set objectName when using QgsGui::enableAutoGeometryRestore" ) );
}
instance()->mWidgetStateHelper->registerWidget( widget, key );
}
QgsWindowManagerInterface *QgsGui::windowManager()
{
return instance()->mWindowManager.get();
}
void QgsGui::setWindowManager( QgsWindowManagerInterface *manager )
{
instance()->mWindowManager.reset( manager );
}
QgsGui::HigFlags QgsGui::higFlags()
{
if ( QgsApplication::settingsLocaleUserLocale.value().startsWith( QLatin1String( "en" ) ) )
{
return HigMenuTextIsTitleCase | HigDialogTitleIsTitleCase;
}
else
{
return QgsGui::HigFlags();
}
}
QgsGui::~QgsGui()
{
delete mProcessingGuiRegistry;
delete mDataItemGuiProviderRegistry;
delete mProcessingRecentAlgorithmLog;
delete mLayoutItemGuiRegistry;
delete mAnnotationItemGuiRegistry;
delete mLayerTreeEmbeddedWidgetRegistry;
delete mEditorWidgetRegistry;
delete mMapLayerActionRegistry;
delete mSourceSelectProviderRegistry;
delete mHistoryProviderRegistry;
delete mShortcutsManager;
delete mNative;
delete mNumericFormatGuiRegistry;
delete mWidgetStateHelper;
delete mProjectStorageGuiRegistry;
delete mProviderGuiRegistry;
delete mCodeEditorColorSchemeRegistry;
delete mSubsetStringEditorProviderRegistry;
delete mProviderSourceWidgetProviderRegistry;
delete mRelationEditorRegistry;
delete mSettingsRegistryGui;
}
QColor QgsGui::sampleColor( QPoint point )
{
QScreen *screen = findScreenAt( point );
if ( ! screen )
{
return QColor();
}
const QPixmap snappedPixmap = screen->grabWindow( QApplication::desktop()->winId(), point.x(), point.y(), 1, 1 );
const QImage snappedImage = snappedPixmap.toImage();
return snappedImage.pixel( 0, 0 );
}
QScreen *QgsGui::findScreenAt( QPoint point )
{
const QList< QScreen * > screens = QGuiApplication::screens();
for ( QScreen *screen : screens )
{
if ( screen->geometry().contains( point ) )
{
return screen;
}
}
return nullptr;
}
QgsGui::QgsGui()
{
#ifdef Q_OS_MAC
QgsMacNative *macNative = new QgsMacNative();
macNative->setIconPath( QgsApplication::iconsPath() + QStringLiteral( "qgis-icon-macos.png" ) );
mNative = macNative;
#elif defined (Q_OS_WIN)
#ifndef __MINGW32__
mNative = new QgsWinNative();
#else
mNative = new QgsNative();
#endif
#elif defined(Q_OS_LINUX)
mNative = new QgsLinuxNative();
#else
mNative = new QgsNative();
#endif
mSettingsRegistryGui = new QgsSettingsRegistryGui();
mCodeEditorColorSchemeRegistry = new QgsCodeEditorColorSchemeRegistry();
// provider gui registry initialize QgsProviderRegistry too
mHistoryProviderRegistry = new QgsHistoryProviderRegistry();
mHistoryProviderRegistry->addDefaultProviders();
mProviderGuiRegistry = new QgsProviderGuiRegistry( QgsApplication::pluginPath() );
mProjectStorageGuiRegistry = new QgsProjectStorageGuiRegistry();
mDataItemGuiProviderRegistry = new QgsDataItemGuiProviderRegistry();
mSourceSelectProviderRegistry = new QgsSourceSelectProviderRegistry();
mNumericFormatGuiRegistry = new QgsNumericFormatGuiRegistry();
mSubsetStringEditorProviderRegistry = new QgsSubsetStringEditorProviderRegistry();
mProviderSourceWidgetProviderRegistry = new QgsProviderSourceWidgetProviderRegistry();
mProjectStorageGuiRegistry->initializeFromProviderGuiRegistry( mProviderGuiRegistry );
mDataItemGuiProviderRegistry->initializeFromProviderGuiRegistry( mProviderGuiRegistry );
mSourceSelectProviderRegistry->initializeFromProviderGuiRegistry( mProviderGuiRegistry );
mSubsetStringEditorProviderRegistry->initializeFromProviderGuiRegistry( mProviderGuiRegistry );
mProviderSourceWidgetProviderRegistry->initializeFromProviderGuiRegistry( mProviderGuiRegistry );
mEditorWidgetRegistry = new QgsEditorWidgetRegistry();
mRelationEditorRegistry = new QgsRelationWidgetRegistry();
mShortcutsManager = new QgsShortcutsManager();
mLayerTreeEmbeddedWidgetRegistry = new QgsLayerTreeEmbeddedWidgetRegistry();
mMapLayerActionRegistry = new QgsMapLayerActionRegistry();
mLayoutItemGuiRegistry = new QgsLayoutItemGuiRegistry();
mAnnotationItemGuiRegistry = new QgsAnnotationItemGuiRegistry();
mAnnotationItemGuiRegistry->addDefaultItems();
mWidgetStateHelper = new QgsWidgetStateHelper();
mProcessingRecentAlgorithmLog = new QgsProcessingRecentAlgorithmLog();
mProcessingGuiRegistry = new QgsProcessingGuiRegistry();
}
bool QgsGui::pythonMacroAllowed( void ( *lambda )(), QgsMessageBar *messageBar )
{
const Qgis::PythonMacroMode macroMode = QgsSettings().enumValue( QStringLiteral( "qgis/enableMacros" ), Qgis::PythonMacroMode::Ask );
switch ( macroMode )
{
case Qgis::PythonMacroMode::SessionOnly:
case Qgis::PythonMacroMode::Always:
if ( lambda )
lambda();
return true;
case Qgis::PythonMacroMode::Never:
case Qgis::PythonMacroMode::NotForThisSession:
if ( messageBar )
{
messageBar->pushMessage( tr( "Python Macros" ),
tr( "Python macros are currently disabled and will not be run" ),
Qgis::MessageLevel::Warning );
}
return false;
case Qgis::PythonMacroMode::Ask:
if ( !lambda )
{
QMessageBox msgBox( QMessageBox::Information, tr( "Python Macros" ),
tr( "Python macros are currently disabled. Do you allow this macro to run?" ) );
QAbstractButton *stopSessionButton = msgBox.addButton( tr( "Disable for this Session" ), QMessageBox::DestructiveRole );
msgBox.addButton( tr( "No" ), QMessageBox::NoRole );
QAbstractButton *yesButton = msgBox.addButton( tr( "Yes" ), QMessageBox::YesRole );
msgBox.exec();
QAbstractButton *clicked = msgBox.clickedButton();
if ( clicked == stopSessionButton )
{
QgsSettings().setEnumValue( QStringLiteral( "qgis/enableMacros" ), Qgis::PythonMacroMode::NotForThisSession );
}
return clicked == yesButton;
}
else
{
// create the notification widget for macros
Q_ASSERT( messageBar );
if ( messageBar )
{
QToolButton *btnEnableMacros = new QToolButton();
btnEnableMacros->setText( tr( "Enable Macros" ) );
btnEnableMacros->setStyleSheet( QStringLiteral( "background-color: rgba(255, 255, 255, 0); color: black; text-decoration: underline;" ) );
btnEnableMacros->setCursor( Qt::PointingHandCursor );
btnEnableMacros->setSizePolicy( QSizePolicy::Maximum, QSizePolicy::Preferred );
QgsMessageBarItem *macroMsg = new QgsMessageBarItem(
tr( "Security warning" ),
tr( "Python macros cannot currently be run." ),
btnEnableMacros,
Qgis::MessageLevel::Warning,
0,
messageBar );
connect( btnEnableMacros, &QToolButton::clicked, messageBar, [ = ]()
{
lambda();
messageBar->popWidget( macroMsg );
} );
// display the macros notification widget
messageBar->pushItem( macroMsg );
}
return false;
}
}
return false;
}
///@cond PRIVATE
void QgsGui::emitOptionsChanged()
{
emit optionsChanged();
}
///@endcond