drag&drop support

widget/form/chatform.cpp

@@ -19,6 +19,9 @@
 #include <QFileDialog>
 #include <QMessageBox>
 #include <QPushButton>
+#include <QMimeData>
+#include <QFileInfo>
+#include <QDragEnterEvent>
 #include "chatform.h"
 #include "friend.h"
 #include "widget/friendwidget.h"
@@ -52,6 +55,8 @@ ChatForm::ChatForm(Friend* chatFriend)
     connect(micButton, SIGNAL(clicked()), this, SLOT(onMicMuteToggle()));
     connect(chatWidget, &ChatAreaWidget::onFileTranfertInterract, this, &ChatForm::onFileTansBtnClicked);
     connect(Core::getInstance(), &Core::fileSendFailed, this, &ChatForm::onFileSendFailed);
+
+    setAcceptDrops(true);
 }
 
 ChatForm::~ChatForm()
@@ -472,3 +477,23 @@ void ChatForm::onAvatarChange(int FriendId, const QPixmap &pic)
 
     avatarLabel->setPixmap(pic);
 }
+
+void ChatForm::dragEnterEvent(QDragEnterEvent *ev)
+{
+    if (ev->mimeData()->hasUrls())
+        ev->acceptProposedAction();
+}
+
+void ChatForm::dropEvent(QDropEvent *ev)
+{
+    if (ev->mimeData()->hasUrls())
+    {
+        for (QUrl url : ev->mimeData()->urls())
+        {
+            QFileInfo info(url.path());
+
+            if (info.exists())
+                Core::getInstance()->sendFile(f->friendId, info.fileName(), info.absoluteFilePath(), info.size());
+        }
+    }
+}

widget/form/chatform.h

@@ -69,6 +69,11 @@ private slots:
     void onFileTansBtnClicked(QString widgetName, QString buttonName);
     void onFileSendFailed(int FriendId, const QString &fname);
 
+protected:
+    // drag & drop
+    void dragEnterEvent(QDragEnterEvent* ev);
+    void dropEvent(QDropEvent* ev);
+
 private:
     Friend* f;
     CroppingLabel *statusMessageLabel;

widget/form/genericchatform.cpp

@@ -27,12 +27,12 @@
 #include "widget/chatareawidget.h"
 #include "widget/tool/chattextedit.h"
 
-GenericChatForm::GenericChatForm(QObject *parent) :
+GenericChatForm::GenericChatForm(QWidget *parent) :
-    QObject(parent)
+    QWidget(parent)
 {
     curRow = 0;
 
-    mainWidget = new QWidget(); headWidget = new QWidget();
+    headWidget = new QWidget();
 
     nameLabel = new CroppingLabel();
     avatarLabel = new QLabel();
@@ -84,7 +84,7 @@ GenericChatForm::GenericChatForm(QObject *parent) :
     micButton->setObjectName("green");
     micButton->setStyleSheet(micButtonStylesheet);
 
-    mainWidget->setLayout(mainLayout);
+    setLayout(mainLayout);
     mainLayout->addWidget(chatWidget);
     mainLayout->addLayout(mainFootLayout);
     mainLayout->setMargin(0);
@@ -129,10 +129,10 @@ void GenericChatForm::setName(const QString &newName)
 
 void GenericChatForm::show(Ui::MainWindow &ui)
 {
-    ui.mainContent->layout()->addWidget(mainWidget);
+    ui.mainContent->layout()->addWidget(this);
     ui.mainHead->layout()->addWidget(headWidget);
-    mainWidget->show();
     headWidget->show();
+    QWidget::show();
 }
 
 void GenericChatForm::onChatContextMenuRequested(QPoint pos)
@@ -172,12 +172,6 @@ void GenericChatForm::addMessage(QString author, QString message, QDateTime date
     previousName = author;
 }
 
-GenericChatForm::~GenericChatForm()
-{
-    delete mainWidget;
-    delete headWidget;
-}
-
 void GenericChatForm::onEmoteButtonClicked()
 {
     // don't show the smiley selection widget if there are no smileys available

widget/form/genericchatform.h

@@ -17,7 +17,7 @@
 #ifndef GENERICCHATFORM_H
 #define GENERICCHATFORM_H
 
-#include <QObject>
+#include <QWidget>
 #include <QPoint>
 #include <QDateTime>
 
@@ -35,12 +35,11 @@ namespace Ui {
     class MainWindow;
 }
 
-class GenericChatForm : public QObject
+class GenericChatForm : public QWidget
 {
     Q_OBJECT
 public:
-    GenericChatForm(QObject *parent = 0);
+    GenericChatForm(QWidget *parent = 0);
-    virtual ~GenericChatForm();
 
     virtual void setName(const QString &newName);
     virtual void show(Ui::MainWindow &ui);
@@ -62,7 +61,7 @@ protected slots:
 protected:
     CroppingLabel *nameLabel;
     QLabel *avatarLabel;
-    QWidget *mainWidget, *headWidget;
+    QWidget *headWidget;
     QPushButton *fileButton, *emoteButton, *callButton, *videoButton, *volButton, *micButton;
     QVBoxLayout *headTextLayout;
     ChatTextEdit *msgEdit;

widget/form/groupchatform.cpp

@@ -19,7 +19,10 @@
 #include "widget/groupwidget.h"
 #include "widget/tool/chattextedit.h"
 #include "widget/croppinglabel.h"
+#include "core.h"
 #include <QPushButton>
+#include <QMimeData>
+#include <QDragEnterEvent>
 
 GroupChatForm::GroupChatForm(Group* chatGroup)
     : group(chatGroup)
@@ -58,11 +61,8 @@ GroupChatForm::GroupChatForm(Group* chatGroup)
 
     connect(sendButton, SIGNAL(clicked()), this, SLOT(onSendTriggered()));
     connect(msgEdit, SIGNAL(enterPressed()), this, SLOT(onSendTriggered()));
-}
-
-GroupChatForm::~GroupChatForm()
-{
 
+    setAcceptDrops(true);
 }
 
 void GroupChatForm::onSendTriggered()
@@ -94,3 +94,19 @@ void GroupChatForm::onUserListChanged()
     names.chop(2);
     namesList->setText(names);
 }
+
+void GroupChatForm::dragEnterEvent(QDragEnterEvent *ev)
+{
+    if (ev->mimeData()->hasFormat("friend"))
+        ev->acceptProposedAction();
+}
+
+void GroupChatForm::dropEvent(QDropEvent *ev)
+{
+    if (ev->mimeData()->hasFormat("friend"))
+    {
+        int friendId = ev->mimeData()->data("friend").toInt();
+        Core::getInstance()->groupInviteFriend(friendId, group->groupId);
+    }
+}
+

widget/form/groupchatform.h

@@ -27,13 +27,18 @@ class GroupChatForm : public GenericChatForm
     Q_OBJECT
 public:
     GroupChatForm(Group* chatGroup);
-    ~GroupChatForm();
+
     void addGroupMessage(QString message, int peerId);
     void onUserListChanged();
 
 private slots:
     void onSendTriggered();
 
+protected:
+    // drag & drop
+    void dragEnterEvent(QDragEnterEvent* ev);
+    void dropEvent(QDropEvent* ev);
+
 private:
     Group* group;
     QLabel *nusersLabel, *namesList;

widget/friendwidget.cpp

@@ -24,6 +24,9 @@
 #include "widget/form/chatform.h"
 #include <QContextMenuEvent>
 #include <QMenu>
+#include <QDrag>
+#include <QMimeData>
+#include <QApplication>
 
 FriendWidget::FriendWidget(int FriendId, QString id)
     : friendId(FriendId), isDefaultAvatar{true}
@@ -203,3 +206,28 @@ void FriendWidget::onAvatarChange(int FriendId, const QPixmap& pic)
     QPixmap scaled = pic.scaled(40,40,Qt::KeepAspectRatio,Qt::SmoothTransformation);
     avatar.setPixmap(scaled);
 }
+
+void FriendWidget::mousePressEvent(QMouseEvent *ev)
+{
+    if (ev->button() == Qt::LeftButton)
+        dragStartPos = ev->pos();
+}
+
+void FriendWidget::mouseMoveEvent(QMouseEvent *ev)
+{
+    if (!(ev->buttons() & Qt::LeftButton))
+        return;
+
+    if ((dragStartPos - ev->pos()).manhattanLength() > QApplication::startDragDistance())
+    {
+        QDrag* drag = new QDrag(this);
+        QMimeData* mdata = new QMimeData;
+        mdata->setData("friend", QString::number(friendId).toLatin1());
+
+        drag->setMimeData(mdata);
+        if (avatar.pixmap())
+            drag->setPixmap(*avatar.pixmap());
+
+        drag->exec(Qt::CopyAction | Qt::MoveAction);
+    }
+}

widget/friendwidget.h

@@ -44,11 +44,16 @@ signals:
 public slots:
     void onAvatarChange(int FriendId, const QPixmap& pic);
 
+protected:
+    void mousePressEvent(QMouseEvent* ev);
+    void mouseMoveEvent(QMouseEvent* ev);
+
 public:
     int friendId;
     QLabel avatar, statusPic;
     CroppingLabel name, statusMessage;
     bool isDefaultAvatar;
+    QPoint dragStartPos;
 };
 
 #endif // FRIENDWIDGET_H