File indexing completed on 2024-05-12 16:01:45

 /*
  *  SPDX-FileCopyrightText: 2009 Cyrille Berger <cberger@cberger.net>
  *  SPDX-FileCopyrightText: 2014 Sven Langkamp <sven.langkamp@gmail.com>
  *
  *  SPDX-License-Identifier: GPL-2.0-or-later
  */
 
 #include "KisDecorationsManager.h"
 
 #include "KisViewManager.h"
 #include "kis_action_manager.h"
 #include "kis_action.h"
 
 #include "kis_canvas2.h"
 #include <klocalizedstring.h>
 #include <kguiitem.h>
 #include <ktoggleaction.h>
 #include <kactioncollection.h>
 #include <KisDocument.h>
 
 
 KisDecorationsManager::KisDecorationsManager(KisViewManager* view)
     : QObject(view)
     , m_imageView(0)
 {
 }
 
 KisDecorationsManager::~KisDecorationsManager()
 {
 }
 
 void KisDecorationsManager::setup(KisActionManager * actionManager)
 {
     m_toggleAssistant = actionManager->createAction("view_toggle_painting_assistants");
     m_togglePreview   = actionManager->createAction("view_toggle_assistant_previews");
     m_toggleReferenceImages = actionManager->createAction("view_toggle_reference_images");
 
     updateAction();
 }
 
 void KisDecorationsManager::setView(QPointer<KisView> imageView)
 {
 
     // set view is called twice when a document is open, so we need to disconnect the original signals
     // if m_imageView has already been created. This prevents double signal events firing
     if (m_imageView) {
         m_toggleAssistant->disconnect();
         m_togglePreview->disconnect();
 
         if (assistantsDecoration()) {
             assistantsDecoration()->disconnect(this);
         }
         if (referenceImagesDecoration()) {
             referenceImagesDecoration()->disconnect(this);
         }
     }
 
     m_imageView = imageView;
 
     if (m_imageView && !referenceImagesDecoration()) {
         KisReferenceImagesDecoration *deco = new KisReferenceImagesDecoration(m_imageView, imageView->document());
         m_imageView->canvasBase()->addDecoration(deco);
     }
 
     if (m_imageView && !assistantsDecoration()) {
         KisPaintingAssistantsDecoration *deco = new KisPaintingAssistantsDecoration(m_imageView);
         m_imageView->canvasBase()->addDecoration(deco);
     }
 
     if (m_imageView && assistantsDecoration()) {
         connect(m_toggleAssistant, SIGNAL(triggered()), assistantsDecoration(), SLOT(toggleAssistantVisible()));
         connect(m_togglePreview, SIGNAL(triggered()), assistantsDecoration(), SLOT(toggleOutlineVisible()));
         connect(assistantsDecoration(), SIGNAL(assistantChanged()), SLOT(updateAction()));
         connect(m_imageView->document(), &KisDocument::sigAssistantsChanged,
                 assistantsDecoration(), &KisPaintingAssistantsDecoration::slotUpdateDecorationVisibility);
         connect(m_imageView->document(), &KisDocument::sigAssistantsChanged,
                 m_imageView->canvasBase(), QOverload<>::of(&KisCanvas2::updateCanvas));
     }
 
     if (m_imageView && referenceImagesDecoration()) {
         connect(m_toggleReferenceImages, SIGNAL(triggered(bool)), referenceImagesDecoration(), SLOT(setVisible(bool)), Qt::UniqueConnection);
     }
 
 
     updateAction();
 }
 
 void KisDecorationsManager::updateAction()
 {
     if (assistantsDecoration()) {
         bool enabled = !assistantsDecoration()->assistants().isEmpty();
         m_toggleAssistant->setChecked(assistantsDecoration()->assistantVisibility());
         m_toggleAssistant->setEnabled(enabled);
         m_togglePreview->setChecked(assistantsDecoration()->outlineVisibility());
         m_togglePreview->setEnabled(enabled);
     } else {
         m_toggleAssistant->setEnabled(false);
     }
 
     if (referenceImagesDecoration()) {
        m_toggleReferenceImages->setEnabled(referenceImagesDecoration()->documentHasReferenceImages());
        m_toggleReferenceImages->setChecked(referenceImagesDecoration()->visible());
     }
 }
 
 KisPaintingAssistantsDecorationSP KisDecorationsManager::assistantsDecoration() const
 {
     if (m_imageView) {
         return m_imageView->canvasBase()->paintingAssistantsDecoration();
     }
     return 0;
 }
 
 KisReferenceImagesDecorationSP KisDecorationsManager::referenceImagesDecoration() const
 {
     if (m_imageView) {
         return m_imageView->canvasBase()->referenceImagesDecoration();
     }
     return 0;
 }