thumbnailview.cpp

   1 #include "mainwindow.h"
   2 #include "thumbnaildelegate.h"
   3 #include "thumbnailview.h"
   4
   5 #include <QApplication>
   6 #include <QDebug>
   7 #include <QDrag>
   8 #include <QMimeData>
   9 #include <QMouseEvent>
  10
  11 ///////////////////////////////////////////////////////////////////////////////
  12 /// \brief ThumbnailView::ThumbnailView
  13 /// \param parent   親ウィジェット
  14 ///
  15 /// コンストラクタ
  16 ///
  17 ThumbnailView::ThumbnailView(QWidget *parent) :
  18     QListView(parent),
  19     m_p(this)
  20 {
  21     setItemDelegate(new ThumbnailDelegate(this));
  22     setSpacing(12);
  23 }
  24
  25 ///////////////////////////////////////////////////////////////////////////////
  26 /// \brief ThumbnailView::initialize
  27 /// \param w    メインウィンドウオブジェクト
  28 ///
  29 /// 初期化処理を行います。
  30 ///
  31 void ThumbnailView::initialize(MainWindow *w)
  32 {
  33     qDebug() << "ThumbnailView::initialize()";
  34
  35     connect(this, SIGNAL(doubleClicked(QModelIndex)), w, SLOT(onOpen(QModelIndex)));
  36     connect(&m_p, SIGNAL(copyItems(QStringList,QString)), w, SLOT(copyItems(QStringList,QString)));
  37     connect(&m_p, SIGNAL(moveItems(QStringList,QString)), w, SLOT(moveItems(QStringList,QString)));
  38
  39     installEventFilter(w);
  40     viewport()->installEventFilter(&m_p);
  41     viewport()->installEventFilter(w);
  42 }
  43
  44 void ThumbnailView::scaleDown()
  45 {
  46     qDebug() << "ThumbnailView::scaleDown()";
  47
  48     static_cast<ThumbnailDelegate*>(itemDelegate())->scaleDown();
  49     folderModel()->clearPixmapCache();
  50 }
  51
  52 void ThumbnailView::scaleUp()
  53 {
  54     qDebug() << "ThumbnailView::scaleUp()";
  55
  56     static_cast<ThumbnailDelegate*>(itemDelegate())->scaleUp();
  57     folderModel()->clearPixmapCache();
  58 }
  59
  60 void ThumbnailView::setModel(QAbstractItemModel *model)
  61 {
  62     if (this->model()) {
  63         this->model()->disconnect(this);
  64     }
  65
  66     QListView::setModel(model);
  67
  68     if (this->model()) {
  69         connect(this->model(), SIGNAL(modelAboutToBeReset()), &m_p, SLOT(model_PreReset()));
  70         connect(this->model(), SIGNAL(modelReset()), &m_p, SLOT(model_PostReset()));
  71     }
  72 }
  73
  74 void ThumbnailView::setVisible(bool visible)
  75 {
  76     if (visible) {
  77         static_cast<ThumbnailDelegate*>(itemDelegate())->resetScale();
  78         folderModel()->clearPixmapCache();
  79     }
  80
  81     QListView::setVisible(visible);
  82 }