src/uisupport/bufferview.h

   1 /***************************************************************************
   2  *   Copyright (C) 2005-08 by the Quassel Project                          *
   3  *   devel@quassel-irc.org                                                 *
   4  *                                                                         *
   5  *   This program is free software; you can redistribute it and/or modify  *
   6  *   it under the terms of the GNU General Public License as published by  *
   7  *   the Free Software Foundation; either version 2 of the License, or     *
   8  *   (at your option) version 3.                                           *
   9  *                                                                         *
  10  *   This program 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         *
  13  *   GNU General Public License for more details.                          *
  14  *                                                                         *
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  17  *   Free Software Foundation, Inc.,                                       *
  18  *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
  19  ***************************************************************************/
  20
  21 #ifndef BUFFERVIEW_H_
  22 #define BUFFERVIEW_H_
  23
  24 #include <QAction>
  25 #include <QMenu>
  26 #include <QDockWidget>
  27 #include <QModelIndex>
  28 #include <QTreeView>
  29 #include <QPointer>
  30
  31 #include "actioncollection.h"
  32 #include "bufferviewconfig.h"
  33 #include "networkmodel.h"
  34
  35 #include "types.h"
  36
  37 /*****************************************
  38  * The TreeView showing the Buffers
  39  *****************************************/
  40 class BufferView : public QTreeView {
  41   Q_OBJECT
  42
  43 public:
  44   BufferView(QWidget *parent = 0);
  45   void init();
  46
  47   void setModel(QAbstractItemModel *model);
  48   void setFilteredModel(QAbstractItemModel *model, BufferViewConfig *config);
  49   virtual void setSelectionModel(QItemSelectionModel *selectionModel);
  50
  51   void setConfig(BufferViewConfig *config);
  52   inline BufferViewConfig *config() { return _config; }
  53
  54   void addActionsToMenu(QMenu *menu, const QModelIndex &index);
  55
  56 public slots:
  57   void setRootIndexForNetworkId(const NetworkId &networkId);
  58   void removeSelectedBuffers(bool permanently = false);
  59
  60 signals:
  61   void removeBuffer(const QModelIndex &);
  62   void removeBufferPermanently(const QModelIndex &);
  63
  64 protected:
  65   virtual void keyPressEvent(QKeyEvent *);
  66   virtual void rowsInserted(const QModelIndex & parent, int start, int end);
  67   virtual void dataChanged(const QModelIndex &topLeft, const QModelIndex &bottomRight);
  68   virtual void wheelEvent(QWheelEvent *);
  69   virtual QSize sizeHint() const;
  70   virtual void focusInEvent(QFocusEvent *event) { QAbstractScrollArea::focusInEvent(event); }
  71   virtual void contextMenuEvent(QContextMenuEvent *event);
  72
  73 private slots:
  74   void joinChannel(const QModelIndex &index);
  75   void toggleHeader(bool checked);
  76   void actionTriggered(QAction *);
  77
  78   void on_collapse(const QModelIndex &index);
  79   void on_expand(const QModelIndex &index);
  80   void on_configChanged();
  81
  82 private:
  83   enum ItemActiveState {
  84     InactiveState = 0x01,
  85     ActiveState = 0x02
  86   };
  87
  88 public:
  89   Q_DECLARE_FLAGS(ItemActiveStates, ItemActiveState)
  90   QAction showChannelList;
  91
  92 private:
  93   QPointer<BufferViewConfig> _config;
  94   ActionCollection _menuActions;
  95   QModelIndex _menuIndex;
  96   QHash<NetworkId, bool> _expandedState;
  97
  98   void storeExpandedState(NetworkId networkId, bool expanded);
  99   void setupMenuActions();
 100   bool checkRequirements(const QModelIndex &index,
 101                           ItemActiveStates requiredActiveState = QFlags<ItemActiveState>(ActiveState | InactiveState));
 102   void addItemToMenu(QAction *action, QMenu *menu, const QModelIndex &index,
 103                      ItemActiveStates requiredActiveState = QFlags<ItemActiveState>(ActiveState | InactiveState));
 104   void addItemToMenu(QAction *action, QMenu *menu, bool condition = true);
 105   void addItemToMenu(QMenu *subMenu, QMenu *menu, const QModelIndex &index,
 106                      ItemActiveStates requiredActiveState = QFlags<ItemActiveState>(ActiveState | InactiveState));
 107   void addSeparatorToMenu(QMenu *menu, const QModelIndex &index,
 108                           ItemActiveStates requiredActiveState = QFlags<ItemActiveState>(ActiveState | InactiveState));
 109   QMenu *createHideEventsSubMenu(QMenu *menu, BufferId bufferId);
 110 };
 111 Q_DECLARE_OPERATORS_FOR_FLAGS(BufferView::ItemActiveStates)
 112
 113
 114 // ==============================
 115 //  BufferView Dock
 116 // ==============================
 117 class BufferViewDock : public QDockWidget {
 118   Q_OBJECT
 119
 120 public:
 121   BufferViewDock(BufferViewConfig *config, QWidget *parent);
 122   BufferViewDock(QWidget *parent);
 123
 124   inline BufferView *bufferView() const { return qobject_cast<BufferView *>(widget()); }
 125
 126 public slots:
 127   void bufferViewRenamed(const QString &newName);
 128 };
 129
 130 #endif