修复拖拽时不能多选的问题

app/Scanner/Scanner/mainwindow.cpp

@@ -38,7 +38,7 @@ MainWindow::MainWindow(QWidget *parent)
     m_view->move(0, 100);
     m_view->resize(400, height() - 150);
     m_thumb->move(450, 100);
-    m_thumb->resize(200, height() - 350);
+    m_thumb->resize(200, height() - 150);
 
      connect(m_thumb, SIGNAL(currItemChanged(int)), this, SLOT(on_currItemChanged(int)), Qt::QueuedConnection);
 

ui/HGImgThumb.hpp

@@ -153,6 +153,7 @@ private:
         int &showWidth, int &showHeight, bool &hScroll, bool &vScroll);
     static void recalcShowRect(int wndWidth, int wndHeight, int scrollSize, ThumbType type, bool hScroll, bool vScroll, bool showThumb, ThumbRect &thumbRect);
 
+    void reset();
     QPoint getItemPos(int index); // 返回的坐标是相对于thumb区域的
     void locateItem(int index);
     void locateInsert(const QPoint &pt1, const QPoint &pt2); // pt1和pt2是相对于thumb区域的
@@ -220,14 +221,20 @@ private:
     MouseStatus m_mousePressStatus;
     int m_mousePressBeginX;
     int m_mousePressBeginY;
+    Qt::MouseButtons m_hitMouseButtons;
+    Qt::KeyboardModifiers m_hitKeyboardModifiers;
+    int m_hitItemIndex; // 点击的索引
     int m_operate; // 0, 1-拖动 2-框选
     int m_operateStartX;
     int m_operateStartY;
-    bool m_draging;
+    bool m_draging; // 进入拖动
     bool m_insertPtValid;
     QPoint m_insertPt1;
     QPoint m_insertPt2;
     int m_curInsertPos;
+    bool m_frameSelection; // 进入框选
+    bool m_frameSelectionRectValid;
+    HGRect m_frameSelectionRect;
 };
 
 #endif /* __HGIMGTHUMB_HPP__ */