Add app window preview and title

dde-dock/Resources/qss/default.qss

@@ -33,6 +33,10 @@ QLabel#panelMenuContent {
     border-radius: 5px;
 }
 
+QLabel#DockAppTitle {
+    color: rgba(255,255,255,0.8);
+}
+
 PanelMenuItem:hover {
     background: gray;
     color: #ffffff

dde-dock/dde-dock.pro

@@ -36,7 +36,8 @@ SOURCES += \
     src/dockpluginproxy.cpp \
     src/dockpluginmanager.cpp\
     src/DBus/dbusmenumanager.cpp \
-    src/DBus/dbusmenu.cpp
+    src/DBus/dbusmenu.cpp \
+    src/Widgets/apppreviews.cpp
 
 HEADERS  += \
     src/abstractdockitem.h \
@@ -65,7 +66,8 @@ HEADERS  += \
     src/DBus/dbusmenumanager.h \
     src/DBus/dbusmenu.h \
     src/dockpluginmanager.h \
-    src/dockconstants.h
+    src/dockconstants.h \
+    src/Widgets/apppreviews.h
 
 RESOURCES += \
     images.qrc \

dde-dock/src/Widgets/appitem.cpp

@@ -10,6 +10,26 @@ AppItem::AppItem(QWidget *parent) :
     connect(dockCons, &DockModeData::dockModeChanged,this, &AppItem::slotDockModeChanged);
 
     initMenu();
+    initPreviewAR();
+}
+
+QWidget *AppItem::getContents()
+{
+    AppPreviews *preview = new AppPreviews();
+    QJsonArray tmpArray = QJsonDocument::fromJson(m_itemData.xidsJsonString.toUtf8()).array();
+    if (m_itemData.isActived && !tmpArray.isEmpty())
+    {
+        foreach (QJsonValue v, tmpArray) {
+            QString title = v.toObject().value("Title").toString();
+            int xid = v.toObject().value("Xid").toInt();
+            preview->addItem(title,xid);
+        }
+    }
+    else
+    {
+        preview->setTitle(m_itemData.title);
+    }
+    return preview;
 }
 
 void AppItem::setEntryProxyer(DBusEntryProxyer *entryProxyer)
@@ -195,7 +215,14 @@ void AppItem::initMenu()
     m_menuManager = new DBusMenuManager(this);
 }
 
-void AppItem::showMenu(int x,int y)
+void AppItem::initPreviewAR()
+{
+    m_previewAR = new ArrowRectangle();
+    m_previewAR->setHeight(130);
+    m_previewAR->setWidth(200);
+}
+
+void AppItem::showMenu()
 {
     if (m_menuManager->isValid()){
         QDBusPendingReply<QDBusObjectPath> pr = m_menuManager->RegisterMenu();
@@ -207,8 +234,8 @@ void AppItem::showMenu(int x,int y)
             connect(m_menu,SIGNAL(ItemInvoked(QString,bool)),this,SLOT(menuItemInvoked(QString,bool)));
 
             QJsonObject targetObj;
-            targetObj.insert("x",QJsonValue(x));
-            targetObj.insert("y",QJsonValue(y));
+            targetObj.insert("x",QJsonValue(globalX() + width() / 2));
+            targetObj.insert("y",QJsonValue(globalY() - 5));
             targetObj.insert("isDockMenu",QJsonValue(true));
             targetObj.insert("menuJsonContent",QJsonValue(m_itemData.menuJsonString));
 
@@ -217,11 +244,25 @@ void AppItem::showMenu(int x,int y)
     }
 }
 
+void AppItem::showPreview()
+{
+    QWidget *tmpContent = getContents();
+    m_previewAR->setMinimumSize(tmpContent->width() + Dock::APP_PREVIEW_MARGIN * 2,tmpContent->height() + Dock::APP_PREVIEW_MARGIN * 2);
+    m_previewAR->resize(tmpContent->width() + Dock::APP_PREVIEW_MARGIN * 2,tmpContent->height() + Dock::APP_PREVIEW_MARGIN * 2);
+    m_previewAR->setContent(getContents());
+    m_previewAR->showAtBottom(globalX() + width() / 2,globalY() - 5);
+}
+
+void AppItem::hidePreview()
+{
+    m_previewAR->delayHide();
+}
+
 void AppItem::mousePressEvent(QMouseEvent * event)
 {
     //qWarning() << "mouse press...";
     emit mousePress(event->globalX(), event->globalY());
-
+    hidePreview();
 }
 
 void AppItem::mouseReleaseEvent(QMouseEvent * event)
@@ -232,7 +273,7 @@ void AppItem::mouseReleaseEvent(QMouseEvent * event)
     if (event->button() == Qt::LeftButton)
         m_entryProxyer->Activate(event->globalX(),event->globalY());
     else if (event->button() == Qt::RightButton)
-        showMenu(event->globalX(),event->globalY());
+        showMenu();
 }
 
 void AppItem::mouseDoubleClickEvent(QMouseEvent * event)
@@ -267,12 +308,14 @@ void AppItem::enterEvent(QEvent *event)
 {
     emit mouseEntered();
     appBackground->setIsHovered(true);
+    showPreview();
 }
 
 void AppItem::leaveEvent(QEvent *event)
 {
     emit mouseExited();
     appBackground->setIsHovered(false);
+    hidePreview();
 }
 
 void AppItem::dragEnterEvent(QDragEnterEvent *event)

dde-dock/src/Widgets/appitem.h

@@ -13,6 +13,7 @@
 #include <QImage>
 #include <QList>
 #include <QMap>
+#include <QJsonDocument>
 #include <QJsonObject>
 #include <QDebug>
 #include "DBus/dbusentryproxyer.h"
@@ -23,6 +24,9 @@
 #include "abstractdockitem.h"
 #include "appicon.h"
 #include "appbackground.h"
+#include "apppreviews.h"
+#include "arrowrectangle.h"
+#include "../dockconstants.h"
 
 struct AppItemData {
     QString id;
@@ -43,6 +47,7 @@ public:
     AppItem(QWidget *parent = 0);
     ~AppItem();
 
+    QWidget *getContents();
     void setEntryProxyer(DBusEntryProxyer *entryProxyer);
     void destroyItem(const QString &id);
     QString itemId() const;
@@ -80,17 +85,21 @@ private:
     void updateXids();
     void updateMenuJsonString();
     void initMenu();
+    void initPreviewAR();
 
-    void showMenu(int x, int y);
+    void showMenu();
+    void showPreview();
+    void hidePreview();
 
 private:
     AppItemData m_itemData;
     DockModeData *dockCons = DockModeData::instance();
-    DBusEntryProxyer *m_entryProxyer = NULL;
-    DBusClientManager *m_clientmanager = NULL;
     AppBackground * appBackground = NULL;
     AppIcon * m_appIcon = NULL;
+    ArrowRectangle *m_previewAR = NULL;
 
+    DBusEntryProxyer *m_entryProxyer = NULL;
+    DBusClientManager *m_clientmanager = NULL;
     QString m_menuInterfacePath = "";
     DBusMenuManager *m_menuManager = NULL;
 };

dde-dock/src/Widgets/apppreviews.cpp

@@ -0,0 +1,29 @@
+#include "apppreviews.h"
+
+AppPreviews::AppPreviews(QWidget *parent) : QWidget(parent)
+{
+    m_mainLayout = new QHBoxLayout(this);
+    setLayout(m_mainLayout);
+    resize(Dock::APP_PREVIEW_WIDTH,Dock::APP_PREVIEW_HEIGHT);
+}
+
+void AppPreviews::addItem(const QString &title, int xid)
+{
+    if (m_xidList.indexOf(xid) != -1)
+        return;
+    m_xidList.append(xid);
+    WindowPreview * preview = new WindowPreview(xid);
+    preview->resize(Dock::APP_PREVIEW_WIDTH,Dock::APP_PREVIEW_HEIGHT);
+    m_mainLayout->addWidget(preview);
+    resize(m_mainLayout->count() * Dock::APP_PREVIEW_WIDTH,Dock::APP_PREVIEW_HEIGHT);
+}
+
+void AppPreviews::setTitle(const QString &title)
+{
+    QLabel *titleLabel = new QLabel(title);
+    titleLabel->setObjectName("DockAppTitle");
+    titleLabel->setAlignment(Qt::AlignCenter);
+    m_mainLayout->addWidget(titleLabel);
+    resize(100,35);
+}
+

dde-dock/src/Widgets/apppreviews.h

@@ -0,0 +1,28 @@
+#ifndef APPPREVIEWS_H
+#define APPPREVIEWS_H
+
+#include <QWidget>
+#include <QHBoxLayout>
+#include <QLabel>
+#include <QDebug>
+#include "windowpreview.h"
+#include "../dockconstants.h"
+
+class AppPreviews : public QWidget
+{
+    Q_OBJECT
+public:
+    explicit AppPreviews(QWidget *parent = 0);
+
+    void addItem(const QString &title,int xid);
+    void setTitle(const QString &title);
+signals:
+
+public slots:
+
+private:
+    QHBoxLayout *m_mainLayout = NULL;
+    QList<int> m_xidList;
+};
+
+#endif // APPPREVIEWS_H

dde-dock/src/Widgets/arrowrectangle.cpp

@@ -7,74 +7,119 @@ ArrowRectangle::ArrowRectangle(QWidget * parent) :
     this->setAttribute(Qt::WA_TranslucentBackground);
 }
 
-void ArrowRectangle::showAtLeft(int x, int y)
+void ArrowRectangle::show(int x, int y)
 {
+    if (m_destroyTimer)
+        m_destroyTimer->stop();
     this->move(x,y);
     if (this->isHidden())
     {
-        this->show();
+        QWidget::show();
+    }
+
+    this->repaint();
+}
+
+void ArrowRectangle::showAtLeft(int x, int y)
+{
+    if (m_destroyTimer)
+        m_destroyTimer->stop();
+    this->arrowDirection = ArrowRectangle::ArrowLeft;
+    this->move(x,y);
+    if (this->isHidden())
+    {
+        QWidget::show();
     }
 
-    this->arrowDirection = ArrowRectangle::arrowLeft;
     this->repaint();
 }
 
 void ArrowRectangle::showAtRight(int x, int y)
 {
+    if (m_destroyTimer)
+        m_destroyTimer->stop();
+    this->arrowDirection = ArrowRectangle::ArrowRight;
     this->move(x,y);
     if (this->isHidden())
     {
-        this->show();
+        QWidget::show();
     }
 
-    this->arrowDirection = ArrowRectangle::arrowRight;
     this->repaint();
 }
 
 void ArrowRectangle::showAtTop(int x, int y)
 {
+    if (m_destroyTimer)
+        m_destroyTimer->stop();
+    this->arrowDirection = ArrowRectangle::ArrowTop;
     this->move(x,y);
     if (this->isHidden())
     {
-        this->show();
+        QWidget::show();
     }
 
-    this->arrowDirection = ArrowRectangle::arrowTop;
     this->repaint();
 }
 
 void ArrowRectangle::showAtBottom(int x, int y)
 {
+    if (m_destroyTimer)
+        m_destroyTimer->stop();
+    this->arrowDirection = ArrowRectangle::ArrowBottom;
     this->move(x,y);
     if (this->isHidden())
     {
-        this->show();
+        QWidget::show();
     }
 
-    this->arrowDirection = ArrowRectangle::arrowBottom;
     this->repaint();
 }
 
+void ArrowRectangle::delayHide(int interval)
+{
+    if (!m_destroyTimer)
+    {
+        m_destroyTimer = new QTimer(this);
+        connect(m_destroyTimer,&QTimer::timeout,this,&ArrowRectangle::slotHide);
+        connect(m_destroyTimer,&QTimer::timeout,m_destroyTimer,&QTimer::stop);
+    }
+    m_destroyTimer->stop();
+    m_destroyTimer->start(interval);
+}
+
 void ArrowRectangle::setContent(QWidget *content)
 {
+    if (!content)
+        return;
+    m_content = content;
     content->setParent(this);
     content->move((width() - content->width()) / 2,(height() - content->height()) / 2);
 }
 
+void ArrowRectangle::destroyContent()
+{
+    if (m_content)
+    {
+        delete m_content;
+        m_content = NULL;
+    }
+}
+
 void ArrowRectangle::move(int x, int y)
 {
     switch (arrowDirection)
     {
-    case arrowLeft:
+    case ArrowLeft:
         QWidget::move(x,y - height() / 2);
         break;
-    case arrowRight:
+    case ArrowRight:
         QWidget::move(x - width(),y - height() / 2);
         break;
-    case arrowTop:
+    case ArrowTop:
         QWidget::move(x - width() / 2,y);
         break;
-    case arrowBottom:
+    case ArrowBottom:
         QWidget::move(x - width() / 2,y - height());
         break;
     default:
@@ -95,19 +140,19 @@ void ArrowRectangle::paintEvent(QPaintEvent *)
 
     switch (arrowDirection)
     {
-    case ArrowRectangle::arrowLeft:
+    case ArrowRectangle::ArrowLeft:
         border = getLeftCornerPath();
         textRec = QRectF(arrowHeight,0,width() - arrowHeight, height());
         break;
-    case ArrowRectangle::arrowRight:
+    case ArrowRectangle::ArrowRight:
         border = getRightCornerPath();
         textRec = QRectF(0,0,width() - arrowHeight, height());
         break;
-    case ArrowRectangle::arrowTop:
+    case ArrowRectangle::ArrowTop:
         border = getTopCornerPath();
         textRec = QRectF(0,arrowHeight,width(), height() - arrowHeight);
         break;
-    case ArrowRectangle::arrowBottom:
+    case ArrowRectangle::ArrowBottom:
         border = getBottomCornerPath();
         textRec = QRectF(0,0,width(), height() - arrowHeight);
         break;
@@ -123,6 +168,18 @@ void ArrowRectangle::paintEvent(QPaintEvent *)
     painter.fillPath(border, QBrush(backgroundColor == "" ? QColor(0,0,0,150) : QColor(backgroundColor)));
 }
 
+void ArrowRectangle::slotHide()
+{
+    destroyContent();
+    hide();
+}
+
+void ArrowRectangle::slotCancelHide()
+{
+    if (m_destroyTimer)
+        m_destroyTimer->stop();
+}
+
 int ArrowRectangle::getRadius()
 {
     return this->radius;
@@ -143,6 +200,11 @@ QString ArrowRectangle::getBackgroundColor()
     return this->backgroundColor;
 }
 
+void ArrowRectangle::setArrorDirection(ArrowDirection value)
+{
+    arrowDirection = value;
+}
+
 void ArrowRectangle::setWidth(int value)
 {
     this->setMinimumWidth(value);

dde-dock/src/Widgets/arrowrectangle.h

@@ -7,11 +7,20 @@
 #include <QHBoxLayout>
 #include <QVBoxLayout>
 #include <QPainter>
+#include <QTimer>
+#include <QDebug>
 
 class ArrowRectangle : public QWidget
 {
     Q_OBJECT
 public:
+    enum ArrowDirection {
+        ArrowLeft,
+        ArrowRight,
+        ArrowTop,
+        ArrowBottom
+    };
+
     explicit ArrowRectangle(QWidget * parent = 0);
     ~ArrowRectangle();
 
@@ -20,6 +29,7 @@ public:
     int getArrowWidth();
     QString getBackgroundColor();
 
+    void setArrorDirection(ArrowDirection value);
     void setWidth(int value);
     void setHeight(int value);
     void setRadius(int value);
@@ -27,24 +37,24 @@ public:
     void setArrowWidth(int value);
     void setBackgroundColor(QString value);
 
+    void show(int x,int y);
     void showAtLeft(int x,int y);
     void showAtRight(int x,int y);
     void showAtTop(int x,int y);
     void showAtBottom(int x,int y);
 
+    void delayHide(int interval = 500);
     void setContent(QWidget *content);
+    void destroyContent();
     void move(int x,int y);
+
+public slots:
+    void slotHide();
+    void slotCancelHide();
 protected:
     virtual void paintEvent(QPaintEvent *);
 
 private:
-    enum ArrowDirection {
-        arrowLeft,
-        arrowRight,
-        arrowTop,
-        arrowBottom
-    };
-
     int radius = 3;
     int arrowHeight = 8;
     int arrowWidth = 20;
@@ -55,8 +65,10 @@ private:
     int shadowWidth = 2;
     QColor shadowColor = Qt::black;
 
-    ArrowDirection arrowDirection = ArrowRectangle::arrowRight;
+    ArrowDirection arrowDirection = ArrowRectangle::ArrowRight;
 
+    QWidget *m_content = NULL;
+    QTimer *m_destroyTimer = NULL;
 private:
     QPainterPath getLeftCornerPath();
     QPainterPath getRightCornerPath();

dde-dock/src/abstractdockitem.h

@@ -32,6 +32,9 @@ public:
     void setNextPos(const QPoint &value) { m_itemNextPos = value; }
     void setNextPos(int x, int y) { m_itemNextPos.setX(x); m_itemNextPos.setY(y); }
 
+    int globalX(){return mapToGlobal(QPoint(0,0)).x();}
+    int globalY(){return mapToGlobal(QPoint(0,0)).y();}
+    QPoint globalPos(){return mapToGlobal(QPoint(0,0));}
 signals:
     void dragStart();
     void dragEntered(QDragEnterEvent * event);

dde-dock/src/dockconstants.h

@@ -9,6 +9,10 @@ enum DockMode {
     ClassicMode
 };
 
+const int APP_PREVIEW_WIDTH = 200;
+const int APP_PREVIEW_HEIGHT = 130;
+const int APP_PREVIEW_MARGIN = 5;
+
 }
 
 #endif // DOCKCONSTANTS_H