core/networkaccess.cpp

@@ -378,7 +378,32 @@ void Core::NetworkAccess::onUploadFinished()
             qDebug() << "upload success for" << url;
             
             storage.addFile(upl->messages, upl->url, upl->path);
-            emit uploadFileComplete(upl->messages, upl->url);
+            emit uploadFileComplete(upl->messages, upl->url, upl->path);
+
+            // Copy file to Download folder if it is a temp file. See Conversation::onImagePasted.
+            if (upl->path.startsWith(QDir::tempPath() + QStringLiteral("/squawk_img_attach_")) && upl->path.endsWith(".png")) {
+                QString err = "";
+                QString downloadDirPath = prepareDirectory(upl->messages.front().jid);
+                if (downloadDirPath.size() > 0) {
+                    QString newPath = downloadDirPath + "/" + upl->path.mid(QDir::tempPath().length() + 1);
+
+                    // Copy {TEMPDIR}/squawk_img_attach_XXXXXX.png to Download folder
+                    bool copyResult = QFile::copy(upl->path, newPath);
+
+                    if (copyResult) {
+                        // Change storage
+                        storage.setPath(upl->url, newPath);
+                    } else {
+                        err = "copying to " + newPath + " failed";
+                    }
+                } else {
+                    err = "Couldn't prepare a directory for file";
+                }
+
+                if (err.size() != 0) {
+                    qDebug() << "failed to copy temporary upload file " << upl->path << " to download folder:" << err;
+                }
+            }
         }
         
         upl->reply->deleteLater();

core/networkaccess.h

@@ -58,7 +58,7 @@ public:
 signals:
     void loadFileProgress(const std::list<Shared::MessageInfo>& msgs, qreal value, bool up);
     void loadFileError(const std::list<Shared::MessageInfo>& msgs, const QString& text, bool up);
-    void uploadFileComplete(const std::list<Shared::MessageInfo>& msgs, const QString& url);
+    void uploadFileComplete(const std::list<Shared::MessageInfo>& msgs, const QString& url, const QString& path);
     void downloadFileComplete(const std::list<Shared::MessageInfo>& msgs, const QString& path);
     
 public slots:

core/squawk.h

@@ -82,7 +82,7 @@ signals:
     void fileError(const std::list<Shared::MessageInfo> msgs, const QString& error, bool up);
     void fileProgress(const std::list<Shared::MessageInfo> msgs, qreal value, bool up);
     void fileDownloadComplete(const std::list<Shared::MessageInfo> msgs, const QString& path);
-    void fileUploadComplete(const std::list<Shared::MessageInfo> msgs, const QString& path);
+    void fileUploadComplete(const std::list<Shared::MessageInfo> msgs, const QString& url, const QString& path);
     
     void responseVCard(const QString& jid, const Shared::VCard& card);
     void changeMessage(const QString& account, const QString& jid, const QString& id, const QMap<QString, QVariant>& data);

ui/squawk.cpp

@@ -405,7 +405,7 @@ void Squawk::fileError(const std::list<Shared::MessageInfo> msgs, const QString&
     rosterModel.fileError(msgs, error, up);
 }
 
-void Squawk::fileUploadComplete(const std::list<Shared::MessageInfo> msgs, const QString& path)
+void Squawk::fileUploadComplete(const std::list<Shared::MessageInfo> msgs, const QString& url, const QString& path)
 {
     rosterModel.fileComplete(msgs, true);
 }

ui/squawk.h

@@ -107,7 +107,7 @@ public slots:
     void fileError(const std::list<Shared::MessageInfo> msgs, const QString& error, bool up);
     void fileProgress(const std::list<Shared::MessageInfo> msgs, qreal value, bool up);
     void fileDownloadComplete(const std::list<Shared::MessageInfo> msgs, const QString& path);
-    void fileUploadComplete(const std::list<Shared::MessageInfo> msgs, const QString& path);
+    void fileUploadComplete(const std::list<Shared::MessageInfo> msgs, const QString& url, const QString& path);
     void responseVCard(const QString& jid, const Shared::VCard& card);
     void changeMessage(const QString& account, const QString& jid, const QString& id, const QMap<QString, QVariant>& data);
     void requestPassword(const QString& account);

ui/widgets/conversation.cpp

@@ -20,6 +20,7 @@
 #include "ui_conversation.h"
 
 #include <QDebug>
+#include <QClipboard>
 #include <QScrollBar>
 #include <QTimer>
 #include <QFileDialog>
@@ -27,6 +28,9 @@
 #include <unistd.h>
 #include <QAbstractTextDocumentLayout>
 #include <QCoreApplication>
+#include <QTemporaryFile>
+#include <QDir>
+#include <QMenu>
 
 Conversation::Conversation(bool muc, Models::Account* acc, Models::Element* el, const QString pJid, const QString pRes, QWidget* parent):
     QWidget(parent),
@@ -47,6 +51,7 @@ Conversation::Conversation(bool muc, Models::Account* acc, Models::Element* el,
     delegate(new MessageDelegate(this)),
     manualSliderChange(false),
     tsb(QApplication::style()->styleHint(QStyle::SH_ScrollBar_Transient) == 1),
+    pasteImageAction(new QAction(tr("Paste Image"), this)),
     shadow(10, 1, Qt::black, this),
     contextMenu(new QMenu())
 {
@@ -75,6 +80,7 @@ Conversation::Conversation(bool muc, Models::Account* acc, Models::Element* el,
     statusLabel = m_ui->statusLabel;
     
     connect(&ker, &KeyEnterReceiver::enterPressed, this, &Conversation::onEnterPressed);
+    connect(&ker, &KeyEnterReceiver::imagePasted, this, &Conversation::onImagePasted);
     connect(m_ui->sendButton, &QPushButton::clicked, this, &Conversation::onEnterPressed);
     connect(m_ui->attachButton, &QPushButton::clicked, this, &Conversation::onAttach);
     connect(m_ui->clearButton, &QPushButton::clicked, this, &Conversation::onClearButton);
@@ -82,7 +88,10 @@ Conversation::Conversation(bool muc, Models::Account* acc, Models::Element* el,
             this, &Conversation::onTextEditDocSizeChanged);
     
     m_ui->messageEditor->installEventFilter(&ker);
+    m_ui->messageEditor->setContextMenuPolicy(Qt::CustomContextMenu);
 
+    connect(m_ui->messageEditor, &QTextEdit::customContextMenuRequested, this, &Conversation::onMessageEditorContext);
+    connect(pasteImageAction, &QAction::triggered, this, &Conversation::onImagePasted);
 
     //line->setAutoFillBackground(false);
     //if (testAttribute(Qt::WA_TranslucentBackground)) {
@@ -183,10 +192,20 @@ bool KeyEnterReceiver::eventFilter(QObject* obj, QEvent* event)
                 }
             }
         }
+        if (k == Qt::Key_V && key->modifiers() & Qt::CTRL) {
+            if (Conversation::checkClipboardImage()) {
+                emit imagePasted();
+                return true;
+            }
+        }
     }
     return QObject::eventFilter(obj, event);
 }
 
+bool Conversation::checkClipboardImage() {
+    return !QApplication::clipboard()->image().isNull();
+}
+
 QString Conversation::getPalResource() const
 {
     return activePalResource;
@@ -218,6 +237,24 @@ void Conversation::onEnterPressed()
     }
 }
 
+void Conversation::onImagePasted()
+{
+    QImage image = QApplication::clipboard()->image();
+    if (image.isNull()) {
+        return;
+    }
+    QTemporaryFile *tempFile = new QTemporaryFile(QDir::tempPath() + QStringLiteral("/squawk_img_attach_XXXXXX.png"), QApplication::instance());
+    tempFile->open();
+    image.save(tempFile, "PNG");
+    tempFile->close();
+    qDebug() << "image on paste temp file: " << tempFile->fileName();
+    addAttachedFile(tempFile->fileName());
+
+    // The file, if successfully uploaded, will be copied to Download folder.
+    // On application closing, this temporary file will be automatically removed by Qt.
+    // See Core::NetworkAccess::onUploadFinished.
+}
+
 void Conversation::onAttach()
 {
     QFileDialog* d = new QFileDialog(this, tr("Chose a file to send"));
@@ -443,3 +480,14 @@ void Conversation::onFeedContext(const QPoint& pos)
         }
     }
 }
+
+void Conversation::onMessageEditorContext(const QPoint& pos)
+{
+    pasteImageAction->setEnabled(Conversation::checkClipboardImage());
+
+    QMenu *editorMenu = m_ui->messageEditor->createStandardContextMenu();
+    editorMenu->addSeparator();
+    editorMenu->addAction(pasteImageAction);
+
+    editorMenu->exec(this->m_ui->messageEditor->mapToGlobal(pos));
+}

ui/widgets/conversation.h

@@ -60,6 +60,7 @@ protected:
     
 signals:
     void enterPressed();
+    void imagePasted();
 };
 
 class Conversation : public QWidget
@@ -77,6 +78,7 @@ public:
     void setPalResource(const QString& res);
     virtual void setAvatar(const QString& path);
     void setFeedFrames(bool top, bool right, bool bottom, bool left);
+    static bool checkClipboardImage();
     
 signals:
     void sendMessage(const Shared::Message& message);
@@ -102,6 +104,7 @@ protected:
     
 protected slots:
     void onEnterPressed();
+    void onImagePasted();
     void onAttach();
     void onFileSelected();
     void onBadgeClose();
@@ -111,6 +114,7 @@ protected slots:
     void onFeedMessage(const Shared::Message& msg);
     void positionShadow();
     void onFeedContext(const QPoint &pos);
+    void onMessageEditorContext(const QPoint &pos);
     
 public:
     const bool isMuc;
@@ -133,6 +137,8 @@ protected:
     bool manualSliderChange;
     bool tsb;           //transient scroll bars
     
+    QAction* pasteImageAction;
+
     ShadowOverlay shadow;
     QMenu* contextMenu;
 };