apps/plasma/applets/folderview/folderview.h

   1 /*
   2  *   Copyright © 2008 Fredrik Höglund <fredrik@kde.org>
   3  *   Copyright © 2008 Rafael Fernández López <ereslibre@kde.org>
   4  *
   5  *   This library is free software; you can redistribute it and/or
   6  *   modify it under the terms of the GNU Library General Public
   7  *   License as published by the Free Software Foundation; either
   8  *   version 2 of the License, or (at your option) any later version.
   9  *
  10  *   This library is distributed in the hope that it will be useful,
  11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  *   Library General Public License for more details.
  14  *
  15  *   You should have received a copy of the GNU Library General Public License
  16  *   along with this library; see the file COPYING.LIB.  If not, write to
  17  *   the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  18  *   Boston, MA 02110-1301, USA.
  19  */
  20
  21 #ifndef FOLDERVIEW_H
  22 #define FOLDERVIEW_H
  23
  24 #include <QCache>
  25 #include <QPersistentModelIndex>
  26 #include <QSortFilterProxyModel>
  27 #include <QListView>
  28 #include <QStyleOption>
  29 #include <QPointer>
  30 #include <QBasicTimer>
  31
  32 #include <KActionCollection>
  33 #include <KMimeType>
  34
  35 #include <Solid/Networking>
  36
  37 #include <plasma/containment.h>
  38
  39 #include "ui_folderviewFilterConfig.h"
  40 #include "ui_folderviewDisplayConfig.h"
  41 #include "ui_folderviewLocationConfig.h"
  42 #include "ui_folderviewPreviewConfig.h"
  43
  44 class KDirModel;
  45 class KFileItemDelegate;
  46 class KFilePlacesModel;
  47 class KFilePreviewGenerator;
  48 class KNewMenu;
  49 class QItemSelectionModel;
  50 class ProxyModel;
  51 class IconView;
  52 class IconWidget;
  53 class ListView;
  54 class Label;
  55 class Dialog;
  56
  57
  58 class FolderView : public Plasma::Containment
  59 {
  60     Q_OBJECT
  61
  62 public:
  63     FolderView(QObject *parent, const QVariantList &args);
  64     ~FolderView();
  65
  66     void init();
  67     void saveState(KConfigGroup &config) const;
  68     void paintInterface(QPainter *painter, const QStyleOptionGraphicsItem *option, const QRect &contentsRect);
  69     void setPath(const QString&);
  70
  71 protected:
  72     void createConfigurationInterface(KConfigDialog *parent);
  73     QList<QAction*> contextualActions();
  74     void constraintsEvent(Plasma::Constraints);
  75     void mousePressEvent(QGraphicsSceneMouseEvent *event);
  76     void dragEnterEvent(QGraphicsSceneDragDropEvent *event);
  77     void dragMoveEvent(QGraphicsSceneDragDropEvent *event);
  78     void dropEvent(QGraphicsSceneDragDropEvent *event);
  79
  80 protected slots:
  81     // These slots are for KonqPopupMenu
  82     void copy();
  83     void cut();
  84     void paste();
  85     void pasteTo();
  86     void refreshIcons();
  87     void moveToTrash(Qt::MouseButtons, Qt::KeyboardModifiers);
  88     void deleteSelectedIcons();
  89     void renameSelectedIcon();
  90
  91     void undoTextChanged(const QString &text);
  92     void toggleIconsLocked(bool locked);
  93     void toggleAlignToGrid(bool align);
  94     void toggleDirectoriesFirst(bool enable);
  95     void sortingChanged(QAction *action);
  96     void aboutToShowCreateNew();
  97     void updateIconWidget();
  98     void iconWidgetClicked();
  99
 100     void activated(const QModelIndex &index);
 101     void indexesMoved(const QModelIndexList &indexes);
 102     void contextMenuRequest(QWidget *widget, const QPoint &screenPos);
 103
 104     void configAccepted();
 105     void filterChanged(int index);
 106     void selectUnselectAll();
 107     void fontSettingsChanged();
 108     void iconSettingsChanged(int group);
 109     void themeChanged();
 110     void networkStatusChanged(Solid::Networking::Status status);
 111     void clipboardDataChanged();
 112     void updateScreenRegion();
 113     void showPreviewConfigDialog();
 114
 115 private:
 116     void setupIconView();
 117     void setUrl(const KUrl &url);
 118     QSize iconSize() const;
 119     QSize gridSize() const;
 120     void createActions();
 121     void updateSortActionsState();
 122     void updateListViewState();
 123     void updateIconViewState();
 124     void saveIconPositions() const;
 125     KUrl::List selectedUrls() const;
 126     void showContextMenu(QWidget *widget, const QPoint &pos, const QModelIndexList &indexes);
 127     void timerEvent(QTimerEvent *event);
 128
 129 private:
 130     KFileItemDelegate *m_delegate;
 131     QPointer<KFilePreviewGenerator> m_previewGenerator;
 132     QItemSelectionModel *m_selectionModel;
 133     ProxyModel *m_model;
 134     KDirModel *m_dirModel;
 135     KFilePlacesModel *m_placesModel;
 136     IconView *m_iconView;
 137     ListView *m_listView;
 138     Label *m_label;
 139     IconWidget *m_iconWidget;
 140     Dialog *m_dialog;
 141     QIcon m_icon;
 142     KUrl m_url;
 143     QColor m_textColor;
 144     QString m_titleText;
 145     int m_filterType;
 146     QString m_filterFiles;
 147     QStringList m_filterFilesMimeList;
 148     QPointer<KNewMenu> m_newMenu;
 149     KActionCollection m_actionCollection;
 150     QActionGroup *m_sortingGroup;
 151     int m_sortColumn;
 152     Ui::folderviewFilterConfig uiFilter;
 153     Ui::folderviewDisplayConfig uiDisplay;
 154     Ui::folderviewLocationConfig uiLocation;
 155     Ui::folderviewPreviewConfig uiPreviewConfig;
 156     bool m_sortDirsFirst;
 157     bool m_showPreviews;
 158     bool m_drawShadows;
 159     bool m_iconsLocked;
 160     bool m_alignToGrid;
 161     QString m_customLabel;
 162     QStringList m_previewPlugins;
 163     int m_customIconSize;
 164     int m_numTextLines;
 165     QListView::Flow m_flow;
 166     QBasicTimer m_delayedSaveTimer;
 167 };
 168
 169
 170
 171 // ---------------------------------------------------------------------------
 172
 173
 174
 175 class MimeModel : public QStringListModel
 176 {
 177 public:
 178     MimeModel(QObject *parent = 0);
 179
 180     virtual QVariant data(const QModelIndex &index, int role) const;
 181     virtual Qt::ItemFlags flags(const QModelIndex &index) const;
 182     virtual QModelIndex index(int row, int column = 0, const QModelIndex &parent = QModelIndex()) const;
 183     virtual int rowCount(const QModelIndex &parent = QModelIndex()) const;
 184     virtual bool setData(const QModelIndex &index, const QVariant &value, int role = Qt::EditRole);
 185
 186 private:
 187     KMimeType::List m_mimetypes;
 188     QMap<KMimeType*, Qt::CheckState> m_state;
 189 };
 190
 191
 192
 193 // ---------------------------------------------------------------------------
 194
 195
 196
 197 class ProxyMimeModel : public QSortFilterProxyModel
 198 {
 199 Q_OBJECT
 200
 201 public:
 202     ProxyMimeModel(QObject *parent = 0);
 203
 204     virtual void setSourceModel(QAbstractItemModel *sourceModel);
 205
 206 public slots:
 207     void setFilter(const QString &filter);
 208
 209 protected:
 210     virtual bool lessThan(const QModelIndex &left, const QModelIndex &right) const;
 211     virtual bool filterAcceptsRow(int source_row, const QModelIndex &source_parent) const;
 212
 213 private:
 214     QString m_filter;
 215 };
 216
 217 #endif