selection message body now actually working

shared/utils.h

@@ -69,6 +69,12 @@ static const std::vector<QColor> colorPalette = {
     QColor(17, 17, 80),
     QColor(54, 54, 94)
 };
+
+enum class Hover {
+    nothing,
+    text,
+    anchor
+};
 }
 
 #endif // SHARED_UTILS_H

ui/widgets/conversation.cpp

@@ -499,6 +499,16 @@ void Conversation::onFeedContext(const QPoint& pos)
             });
         }
 
+        QString selected = feed->getSelectedText();
+        if (selected.size() > 0) {
+            showMenu = true;
+            QAction* copy = contextMenu->addAction(Shared::icon("edit-copy"), tr("Copy selected"));
+            connect(copy, &QAction::triggered, [selected] () {
+                QClipboard* cb = QApplication::clipboard();
+                cb->setText(selected);
+            });
+        }
+
         QString body = item->getBody();
         if (body.size() > 0) {
             showMenu = true;

ui/widgets/messageline/feedview.cpp

@@ -21,6 +21,8 @@
 #include <QPaintEvent>
 #include <QPainter>
 #include <QScrollBar>
+#include <QApplication>
+#include <QClipboard>
 #include <QDebug>
 
 #include "messagedelegate.h"
@@ -53,9 +55,10 @@ FeedView::FeedView(QWidget* parent):
     dividerMetrics(dividerFont),
     mousePressed(false),
     dragging(false),
-    anchorHovered(false),
+    hovered(Shared::Hover::nothing),
     dragStartPoint(),
-    dragEndPoint()
+    dragEndPoint(),
+    selectedText()
 {
     horizontalScrollBar()->setRange(0, 0);
     verticalScrollBar()->setSingleStep(approximateSingleMessageHeight);
@@ -167,7 +170,7 @@ void FeedView::dataChanged(const QModelIndex& topLeft, const QModelIndex& bottom
 
 void FeedView::updateGeometries()
 {
-    qDebug() << "updateGeometries";
+    //qDebug() << "updateGeometries";
     QScrollBar* bar = verticalScrollBar();
     
     const QStyle* st = style();
@@ -307,7 +310,7 @@ bool FeedView::tryToCalculateGeometriesWithNoScrollbars(const QStyleOptionViewIt
 
 void FeedView::paintEvent(QPaintEvent* event)
 {
-    qDebug() << "paint" << event->rect();
+    //qDebug() << "paint" << event->rect();
     const QAbstractItemModel* m = model();
     QWidget* vp = viewport();
     QRect zone = event->rect().translated(0, -vo);
@@ -412,14 +415,20 @@ void FeedView::verticalScrollbarValueChanged(int value)
     QAbstractItemView::verticalScrollbarValueChanged(vo);
 }
 
-void FeedView::setAnchorHovered(bool hovered)
+void FeedView::setAnchorHovered(Shared::Hover type)
 {
-    if (anchorHovered != hovered) {
-        anchorHovered = hovered;
-        if (anchorHovered) {
-            setCursor(Qt::PointingHandCursor);
-        } else {
-            setCursor(Qt::ArrowCursor);
+    if (hovered != type) {
+        hovered = type;
+        switch (hovered) {
+            case Shared::Hover::nothing:
+                setCursor(Qt::ArrowCursor);
+                break;
+            case Shared::Hover::text:
+                setCursor(Qt::IBeamCursor);
+                break;
+            case Shared::Hover::anchor:
+                setCursor(Qt::PointingHandCursor);
+                break;
         }
     }
 }
@@ -441,25 +450,31 @@ void FeedView::mouseMoveEvent(QMouseEvent* event)
     QAbstractItemView::mouseMoveEvent(event);
 
     if (specialDelegate) {
-        QModelIndex index = indexAt(dragEndPoint);
-        if (index.isValid()) {
-            QRect rect = visualRect(index);
-            if (rect.contains(dragEndPoint)) {
-                MessageDelegate* del = static_cast<MessageDelegate*>(itemDelegate());
-                if (dragging) {
-                    setAnchorHovered(false);
-                    if (del->mouseDrag(dragStartPoint, dragEndPoint, index, rect)) {
-                        qDebug() << "asking to repaint" << rect;
+        MessageDelegate* del = static_cast<MessageDelegate*>(itemDelegate());
+        if (dragging) {
+            QModelIndex index = indexAt(dragStartPoint);
+            if (index.isValid()) {
+                QRect rect = visualRect(index);
+                if (rect.contains(dragStartPoint)) {
+                    QString selected = del->mouseDrag(dragStartPoint, dragEndPoint, index, rect);
+                    if (selectedText != selected) {
+                        selectedText = selected;
                         setDirtyRegion(rect);
                     }
+                }
+            }
+        } else {
+            QModelIndex index = indexAt(dragEndPoint);
+            if (index.isValid()) {
+                QRect rect = visualRect(index);
+                if (rect.contains(dragEndPoint)) {
+                    setAnchorHovered(del->hoverType(dragEndPoint, index, rect));
                 } else {
-                    setAnchorHovered(del->isAnchorHovered(dragEndPoint, index, rect));
+                    setAnchorHovered(Shared::Hover::nothing);
                 }
             } else {
-                setAnchorHovered(false);
+                setAnchorHovered(Shared::Hover::nothing);
             }
-        } else {
-            setAnchorHovered(false);
         }
     }
 }
@@ -470,6 +485,17 @@ void FeedView::mousePressEvent(QMouseEvent* event)
     mousePressed = event->button() == Qt::LeftButton;
     if (mousePressed) {
         dragStartPoint = event->localPos().toPoint();
+        if (specialDelegate && specialModel) {
+            MessageDelegate* del = static_cast<MessageDelegate*>(itemDelegate());
+            QString lastSelectedId = del->clearSelection();
+            if (lastSelectedId.size()) {
+                Models::MessageFeed* feed = static_cast<Models::MessageFeed*>(model());
+                QModelIndex index = feed->modelIndexById(lastSelectedId);
+                if (index.isValid()) {
+                    setDirtyRegion(visualRect(index));
+                }
+            }
+        }
     }
 }
 
@@ -494,6 +520,17 @@ void FeedView::mouseReleaseEvent(QMouseEvent* event)
     }
 }
 
+void FeedView::keyPressEvent(QKeyEvent* event)
+{
+    QKeyEvent *key_event = static_cast<QKeyEvent*>(event);
+    if (key_event->matches(QKeySequence::Copy)) {
+        if (selectedText.size() > 0) {
+            QClipboard* cb = QApplication::clipboard();
+            cb->setText(selectedText);
+        }
+    }
+}
+
 void FeedView::resizeEvent(QResizeEvent* event)
 {
     QAbstractItemView::resizeEvent(event);
@@ -603,3 +640,8 @@ void FeedView::onModelSyncStateChange(Models::MessageFeed::SyncState state)
         scheduleDelayedItemsLayout();
     }
 }
+
+QString FeedView::getSelectedText() const
+{
+    return selectedText;
+}

ui/widgets/messageline/feedview.h

@@ -28,6 +28,7 @@
 
 #include <ui/widgets/messageline/messagefeed.h>
 #include <ui/utils/progress.h>
+#include <shared/utils.h>
 
 /**
  * @todo write docs
@@ -50,6 +51,7 @@ public:
     void setModel(QAbstractItemModel * model) override;
     
     QFont getFont() const;
+    QString getSelectedText() const;
     
 signals:
     void resized();
@@ -72,13 +74,14 @@ protected:
     void mouseMoveEvent(QMouseEvent * event) override;
     void mousePressEvent(QMouseEvent * event) override;
     void mouseReleaseEvent(QMouseEvent * event) override;
+    void keyPressEvent(QKeyEvent * event) override;
     void resizeEvent(QResizeEvent * event) override;
     
 private:
     bool tryToCalculateGeometriesWithNoScrollbars(const QStyleOptionViewItem& option, const QAbstractItemModel* model, uint32_t totalHeight);
     void positionProgress();
     void drawDateDevider(int top, const QDateTime& date, QPainter& painter);
-    void setAnchorHovered(bool hovered);
+    void setAnchorHovered(Shared::Hover type);
     
 private:
     struct Hint {
@@ -100,9 +103,10 @@ private:
     QFontMetrics dividerMetrics;
     bool mousePressed;
     bool dragging;
-    bool anchorHovered;
+    Shared::Hover hovered;
     QPoint dragStartPoint;
     QPoint dragEndPoint;
+    QString selectedText;
     
     static const std::set<int> geometryChangingRoles;
     

ui/widgets/messageline/messagedelegate.cpp

@@ -434,13 +434,37 @@ void MessageDelegate::leftClick(const QPoint& point, const QModelIndex& index, c
     }
 }
 
-bool MessageDelegate::isAnchorHovered(const QPoint& point, const QModelIndex& index, const QRect& sizeHint) const
+Shared::Hover MessageDelegate::hoverType(const QPoint& point, const QModelIndex& index, const QRect& sizeHint) const
 {
-    QString anchor = getAnchor(point, index, sizeHint);
-    return anchor.size() > 0;
+    QVariant vi = index.data(Models::MessageFeed::Bulk);
+    Models::FeedItem data = qvariant_cast<Models::FeedItem>(vi);
+    if (data.text.size() > 0) {
+        QRect localHint = getHoveredMessageBodyRect(index, data, sizeHint);
+
+        if (localHint.contains(point)) {
+            QPoint translated = point - localHint.topLeft();
+
+            bodyRenderer->setHtml(Shared::processMessageBody(data.text));
+            bodyRenderer->setTextWidth(localHint.size().width());
+
+            QAbstractTextDocumentLayout* lay = bodyRenderer->documentLayout();
+            QString anchor = lay->anchorAt(translated);
+
+            if (anchor.size() > 0) {
+                return Shared::Hover::anchor;
+            } else {
+                int position = lay->hitTest(translated, Qt::HitTestAccuracy::ExactHit);
+                if (position != -1) {           //this is a bad way, it's false positive on the end of the last
+                    return Shared::Hover::text; //line of a multiline block, so it's not better the checking the rect
+                }
+                //return Shared::Hover::text;
+            }
+        }
+    }
+    return Shared::Hover::nothing;
 }
 
-bool MessageDelegate::mouseDrag(const QPoint& start, const QPoint& end, const QModelIndex& index, const QRect& sizeHint)
+QString MessageDelegate::mouseDrag(const QPoint& start, const QPoint& end, const QModelIndex& index, const QRect& sizeHint)
 {
     QVariant vi = index.data(Models::MessageFeed::Bulk);
     Models::FeedItem data = qvariant_cast<Models::FeedItem>(vi);
@@ -448,19 +472,31 @@ bool MessageDelegate::mouseDrag(const QPoint& start, const QPoint& end, const QM
         QRect localHint = getHoveredMessageBodyRect(index, data, sizeHint);
 
         if (localHint.contains(start)) {
-            QPoint translated = start - localHint.topLeft();
+            QPoint tl = localHint.topLeft();
+            QPoint first = start - tl;
+            QPoint last = end - tl;
+            last.setX(std::max(last.x(), 0));
+            last.setX(std::min(last.x(), localHint.width() - 1));
+            last.setY(std::max(last.y(), 0));
+            last.setY(std::min(last.y(), localHint.height()));
+
 
             bodyRenderer->setHtml(Shared::processMessageBody(data.text));
             bodyRenderer->setTextWidth(localHint.size().width());
-            selection.first = bodyRenderer->documentLayout()->hitTest(translated, Qt::HitTestAccuracy::FuzzyHit);
-            selection.second = bodyRenderer->documentLayout()->hitTest(end - localHint.topLeft(), Qt::HitTestAccuracy::FuzzyHit);
+            selection.first = bodyRenderer->documentLayout()->hitTest(first, Qt::HitTestAccuracy::FuzzyHit);
+            selection.second = bodyRenderer->documentLayout()->hitTest(last, Qt::HitTestAccuracy::FuzzyHit);
 
             currentId = data.id;
 
-            return true;
+            if (selection.first != selection.second) {
+                QTextCursor cursor(bodyRenderer);
+                cursor.setPosition(selection.first, QTextCursor::MoveAnchor);
+                cursor.setPosition(selection.second, QTextCursor::KeepAnchor);
+                return cursor.selectedText();
+            }
         }
     }
-    return false;
+    return "";
 }
 
 QString MessageDelegate::clearSelection()

ui/widgets/messageline/messagedelegate.h

@@ -58,8 +58,8 @@ public:
     void endClearWidgets();
     void beginClearWidgets();
     void leftClick(const QPoint& point, const QModelIndex& index, const QRect& sizeHint) const;
-    bool isAnchorHovered(const QPoint& point, const QModelIndex& index, const QRect& sizeHint) const;
-    bool mouseDrag(const QPoint& start, const QPoint& end, const QModelIndex& index, const QRect& sizeHint);
+    Shared::Hover hoverType(const QPoint& point, const QModelIndex& index, const QRect& sizeHint) const;
+    QString mouseDrag(const QPoint& start, const QPoint& end, const QModelIndex& index, const QRect& sizeHint);
     QString clearSelection();
 
     static int avatarHeight;

ui/widgets/messageline/messagefeed.h

@@ -57,6 +57,8 @@ public:
     void changeMessage(const QString& id, const QMap<QString, QVariant>& data);
     void removeMessage(const QString& id);
     Shared::Message getMessage(const QString& id);
+    QModelIndex modelIndexById(const QString& id) const;
+    QModelIndex modelIndexByTime(const QString& id, const QDateTime& time) const;
     
     QVariant data(const QModelIndex & index, int role = Qt::DisplayRole) const override;
     int rowCount(const QModelIndex& parent = QModelIndex()) const override;
@@ -126,8 +128,6 @@ protected:
     bool sentByMe(const Shared::Message& msg) const;
     Attachment fillAttach(const Shared::Message& msg) const;
     Edition fillCorrection(const Shared::Message& msg) const;
-    QModelIndex modelIndexById(const QString& id) const;
-    QModelIndex modelIndexByTime(const QString& id, const QDateTime& time) const;
     std::set<MessageRoles> detectChanges(const Shared::Message& msg, const QMap<QString, QVariant>& data) const;
     
 private: