Text information about tool processing

PdfForQtLib/sources/pdfwidgettool.cpp

@@ -714,6 +714,7 @@ PDFToolManager::PDFToolManager(PDFDrawWidgetProxy* proxy, Actions actions, QObje
     for (PDFWidgetTool* tool : m_predefinedTools)
     {
         m_tools.insert(tool);
+        connect(tool, &PDFWidgetTool::messageDisplayRequest, this, &PDFToolManager::messageDisplayRequest);
 
         if (QAction* action = tool->getAction())
         {
@@ -1172,6 +1173,7 @@ void PDFScreenshotTool::onRectanglePicked(PDFInteger pageIndex, QRectF pageRecta
             }
 
             QApplication::clipboard()->setImage(image, QClipboard::Clipboard);
+            emit messageDisplayRequest(tr("Page contents of size %1 x %2 pixels were copied to the clipboard.").arg(image.width()).arg(image.height()), 5000);
         }
     }
 }
@@ -1202,6 +1204,7 @@ void PDFExtractImageTool::onImagePicked(const QImage& image)
     if (!image.isNull())
     {
         QApplication::clipboard()->setImage(image, QClipboard::Clipboard);
+        emit messageDisplayRequest(tr("Image of size %1 x %2 pixels was copied to the clipboard.").arg(image.width()).arg(image.height()), 5000);
     }
 }
 

PdfForQtLib/sources/pdfwidgettool.h

@@ -91,8 +91,17 @@ public:
     const std::optional<QCursor>& getCursor() const;
 
 signals:
+    /// Informs about tool activity changed (if tool is enabled or disabled)
+    /// \param active Is tool active?
     void toolActivityChanged(bool active);
 
+    /// This is signal is set, when we want to display information message
+    /// to the user, with timeout in miliseconds, after which message
+    /// dissappears.
+    /// \param text Text, which should be displayed to the user
+    /// \param timeout Timeout in miliseconds
+    void messageDisplayRequest(const QString& text, int timeout);
+
 protected:
     virtual void setActiveImpl(bool active);
     virtual void updateActions();
@@ -458,6 +467,14 @@ public:
     /// in this case, optional will be set to nullopt.
     const std::optional<QCursor>& getCursor() const;
 
+signals:
+    /// This is signal is set, when we want to display information message
+    /// to the user, with timeout in miliseconds, after which message
+    /// dissappears.
+    /// \param text Text, which should be displayed to the user
+    /// \param timeout Timeout in miliseconds
+    void messageDisplayRequest(const QString& text, int timeout);
+
 private:
     void onToolActionTriggered(bool checked);
 

PdfForQtViewer/pdfviewermainwindow.cpp

@@ -260,6 +260,7 @@ PDFViewerMainWindow::PDFViewerMainWindow(QWidget* parent) :
     m_toolManager = new pdf::PDFToolManager(m_pdfWidget->getDrawWidgetProxy(), actions, this, this);
     m_pdfWidget->setToolManager(m_toolManager);
     updateMagnifierToolSettings();
+    connect(m_toolManager, &pdf::PDFToolManager::messageDisplayRequest, statusBar(), &QStatusBar::showMessage);
 
     connect(m_pdfWidget->getDrawWidgetProxy(), &pdf::PDFDrawWidgetProxy::drawSpaceChanged, this, &PDFViewerMainWindow::onDrawSpaceChanged);
     connect(m_pdfWidget->getDrawWidgetProxy(), &pdf::PDFDrawWidgetProxy::pageLayoutChanged, this, &PDFViewerMainWindow::onPageLayoutChanged);