From 75b70fcbe29801d25f8dc64e68a1265dc55c7042 Mon Sep 17 00:00:00 2001
From: Tomaz Canabrava <tcanabrava@kde.org>
Date: Tue, 15 Jun 2021 11:21:44 +0100
Subject: [PATCH] Drag Drop files from konsole to other softwares

---
 src/filterHotSpots/FileFilterHotspot.cpp | 30 +++++++++++++++++++++++-
 src/filterHotSpots/FileFilterHotspot.h   |  3 +++
 src/filterHotSpots/HotSpot.cpp           | 10 ++++++++
 src/filterHotSpots/HotSpot.h             |  3 +++
 src/terminalDisplay/TerminalDisplay.cpp  |  5 ++++
 5 files changed, 50 insertions(+), 1 deletion(-)

diff --git a/src/filterHotSpots/FileFilterHotspot.cpp b/src/filterHotSpots/FileFilterHotspot.cpp
index 591db2bd..cbddf3c5 100644
--- a/src/filterHotSpots/FileFilterHotspot.cpp
+++ b/src/filterHotSpots/FileFilterHotspot.cpp
@@ -18,6 +18,8 @@
 #include <QMouseEvent>
 #include <QKeyEvent>
 #include <QRegularExpression>
+#include <QDrag>
+#include <QMimeData>
 
 #include <KIO/ApplicationLauncherJob>
 #include <KIO/OpenUrlJob>
@@ -28,6 +30,7 @@
 #include <KMessageBox>
 #include <KShell>
 
+
 #include "konsoledebug.h"
 #include "KonsoleSettings.h"
 #include "profile/Profile.h"
@@ -300,8 +303,33 @@ void FileFilterHotSpot::mouseLeaveEvent(TerminalDisplay *td, QMouseEvent *ev)
     stopThumbnailGeneration();
 }
 
-void Konsole::FileFilterHotSpot::keyPressEvent(Konsole::TerminalDisplay* td, QKeyEvent* ev)
+void FileFilterHotSpot::keyPressEvent(Konsole::TerminalDisplay* td, QKeyEvent* ev)
 {
     HotSpot::keyPressEvent(td, ev);
     requestThumbnail(ev->modifiers(), QCursor::pos());
 }
+
+
+bool FileFilterHotSpot::hasDragOperation() const
+{
+    return true;
+}
+
+void FileFilterHotSpot::startDrag()
+{
+    auto *drag = new QDrag(this);
+    auto *mimeData = new QMimeData();
+    mimeData->setUrls({QUrl::fromLocalFile(_filePath)});
+
+    auto lowerFilePath = _filePath.toLower();
+    if (lowerFilePath.endsWith(QStringLiteral("png"))
+        || lowerFilePath.endsWith(QStringLiteral("jpg"))
+        || lowerFilePath.endsWith(QStringLiteral("jpeg"))) {
+        mimeData->setImageData(QImage(_filePath));
+    }
+
+    drag->setMimeData(mimeData);
+    Qt::DropAction result = drag->exec(Qt::CopyAction);
+    qDebug() << "result" << result;
+}
+
diff --git a/src/filterHotSpots/FileFilterHotspot.h b/src/filterHotSpots/FileFilterHotspot.h
index 6e724d6b..218ee999 100644
--- a/src/filterHotSpots/FileFilterHotspot.h
+++ b/src/filterHotSpots/FileFilterHotspot.h
@@ -49,6 +49,9 @@ public:
     void requestThumbnail(Qt::KeyboardModifiers modifiers, const QPoint &pos);
     void thumbnailRequested();
 
+    bool hasDragOperation() const override;
+    void startDrag() override;
+
     static void stopThumbnailGeneration();
 
     void mouseEnterEvent(TerminalDisplay *td, QMouseEvent *ev) override;
diff --git a/src/filterHotSpots/HotSpot.cpp b/src/filterHotSpots/HotSpot.cpp
index 706d1c4a..bb0d9e90 100644
--- a/src/filterHotSpots/HotSpot.cpp
+++ b/src/filterHotSpots/HotSpot.cpp
@@ -185,3 +185,13 @@ void HotSpot::debug() {
     qDebug() <<  type();
     qDebug() << _startLine << _endLine << _startColumn << _endColumn;
 }
+
+bool Konsole::HotSpot::hasDragOperation() const
+{
+    return false;
+}
+
+void Konsole::HotSpot::startDrag()
+{
+}
+
diff --git a/src/filterHotSpots/HotSpot.h b/src/filterHotSpots/HotSpot.h
index 2e27752c..922187ba 100644
--- a/src/filterHotSpots/HotSpot.h
+++ b/src/filterHotSpots/HotSpot.h
@@ -92,6 +92,9 @@ public:
         */
     virtual QList<QAction *> actions();
 
+    virtual bool hasDragOperation() const;
+    virtual void startDrag();
+
     /**
         * Setups a menu with actions for the hotspot.
         */
diff --git a/src/terminalDisplay/TerminalDisplay.cpp b/src/terminalDisplay/TerminalDisplay.cpp
index 3f193ffa..1f7d4db4 100644
--- a/src/terminalDisplay/TerminalDisplay.cpp
+++ b/src/terminalDisplay/TerminalDisplay.cpp
@@ -1165,6 +1165,11 @@ void TerminalDisplay::mousePressEvent(QMouseEvent* ev)
     processFilters();
 
     _filterChain->mouseMoveEvent(this, ev, charLine, charColumn);
+    auto hotSpotClick = _filterChain->hotSpotAt(charLine, charColumn);
+    if (hotSpotClick && hotSpotClick->hasDragOperation() && ev->modifiers() & Qt::Modifier::ALT) {
+        hotSpotClick->startDrag();
+        return;
+    }
 
     if (ev->button() == Qt::LeftButton) {
         // request the software keyboard, if any