knode/headerview.h

   1 /*
   2     KNode, the KDE newsreader
   3     Copyright (c) 1999-2005 the KNode authors.
   4     See file AUTHORS for details
   5
   6     This program is free software; you can redistribute it and/or modify
   7     it under the terms of the GNU General Public License as published by
   8     the Free Software Foundation; either version 2 of the License, or
   9     (at your option) any later version.
  10     You should have received a copy of the GNU General Public License
  11     along with this program; if not, write to the Free Software Foundation,
  12     Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, US
  13 */
  14
  15 #ifndef KNHEADERVIEW_H
  16 #define KNHEADERVIEW_H
  17
  18 #include <QMouseEvent>
  19 #include <QKeyEvent>
  20 #include <QEvent>
  21
  22 #include <k3listview.h>
  23 #include <kmime/kmime_dateformatter.h>
  24
  25 class KMenu;
  26 class KNHdrViewItem;
  27
  28 /** Information shared by all items in a list view */
  29 struct KPaintInfo {
  30
  31   // Popup ids for toggle-able columns
  32   enum ColumnIds {
  33     COL_SIZE,
  34     COL_ATTACHMENT,
  35     COL_IMPORTANT,
  36     COL_TOACT,
  37     COL_SPAM_HAM,
  38     COL_WATCHED_IGNORED,
  39     COL_STATUS,
  40     COL_SIGNED,
  41     COL_CRYPTO,
  42     COL_RECEIVER,
  43     COL_SCORE
  44   };
  45
  46   KPaintInfo() :
  47     pixmapOn( false ),
  48
  49     showSize( false ),
  50     showAttachment( false ),
  51     showImportant( false ),
  52     showToAct( false ),
  53     showSpamHam( false ),
  54     showWatchedIgnored( false ),
  55     showStatus( false ),
  56     showSigned( false ),
  57     showCrypto( false ),
  58     showReceiver( false ),
  59     showScore( false ),
  60
  61     scoreCol( -1 ),
  62     flagCol( -1 ),
  63     senderCol( -1 ),
  64     receiverCol( -1 ),
  65     subCol( -1 ),
  66     dateCol( -1 ),
  67     sizeCol( -1 ),
  68     attachmentCol( -1 ),
  69     importantCol( -1 ),
  70     toActCol( -1 ),
  71     spamHamCol( -1 ),
  72     watchedIgnoredCol( -1 ),
  73     statusCol( -1 ),
  74     signedCol( -1 ),
  75     cryptoCol( -1 ),
  76
  77     orderOfArrival( false ),
  78     status( false ),
  79     showCryptoIcons( false ),
  80     showAttachmentIcon( false )
  81     {}
  82
  83   bool pixmapOn;
  84   QPixmap pixmap;
  85   QColor colFore;
  86   QColor colBack;
  87   QColor colNew;
  88   QColor colUnread;
  89   QColor colFlag;
  90   QColor colToAct;
  91   QColor colCloseToQuota;
  92
  93   bool showSize;
  94   bool showAttachment;
  95   bool showImportant;
  96   bool showToAct;
  97   bool showSpamHam;
  98   bool showWatchedIgnored;
  99   bool showStatus;
 100   bool showSigned;
 101   bool showCrypto;
 102   bool showReceiver;
 103   bool showScore;
 104
 105   int scoreCol;
 106   int flagCol;
 107   int senderCol;
 108   int receiverCol;
 109   int subCol;
 110   int dateCol;
 111   int sizeCol;
 112   int attachmentCol;
 113   int importantCol;
 114   int toActCol;
 115   int spamHamCol;
 116   int watchedIgnoredCol;
 117   int statusCol;
 118   int signedCol;
 119   int cryptoCol;
 120
 121   bool orderOfArrival;
 122   bool status;
 123   bool showCryptoIcons;
 124   bool showAttachmentIcon;
 125 };
 126
 127 /** Header view, displays the article listing of the currently selected
 128  *  news group or folder.
 129  */
 130 class KNHeaderView : public K3ListView  {
 131
 132   Q_OBJECT
 133
 134   friend class KNHdrViewItem;
 135
 136   public:
 137     KNHeaderView( QWidget *parent );
 138     ~KNHeaderView();
 139
 140     void setActive( Q3ListViewItem *item );
 141     void clear();
 142
 143     void ensureItemVisibleWithMargin( const Q3ListViewItem *i );
 144
 145     virtual void setSorting( int column, bool ascending = true );
 146     bool sortByThreadChangeDate() const      { return mSortByThreadChangeDate; }
 147     void setSortByThreadChangeDate( bool b ) { mSortByThreadChangeDate = b; }
 148
 149     bool nextUnreadArticle();
 150     bool nextUnreadThread();
 151
 152     void readConfig();
 153     void writeConfig();
 154
 155     const KPaintInfo* paintInfo() const { return &mPaintInfo; }
 156
 157   signals:
 158     void itemSelected( Q3ListViewItem* );
 159     void doubleClick( Q3ListViewItem* );
 160     void sortingChanged( int );
 161
 162   public slots:
 163     void nextArticle();
 164     void prevArticle();
 165     void incCurrentArticle();
 166     void decCurrentArticle();
 167     void selectCurrentArticle();
 168
 169     void toggleColumn( int column, int mode = -1 );
 170     void prepareForGroup();
 171     void prepareForFolder();
 172
 173   protected:
 174     void activeRemoved()            { mActiveItem = 0; }
 175     /**
 176      * Reimplemented to avoid that KListview reloads the alternate
 177      * background on palette changes.
 178      */
 179     virtual bool event( QEvent *e );
 180     void contentsMousePressEvent( QMouseEvent *e );
 181     void contentsMouseDoubleClickEvent( QMouseEvent *e );
 182     void keyPressEvent( QKeyEvent *e );
 183     bool eventFilter( QObject *, QEvent * );
 184     virtual Q3DragObject* dragObject();
 185
 186   private:
 187     int mSortCol;
 188     bool mSortAsc;
 189     bool mSortByThreadChangeDate;
 190     int mDelayedCenter;
 191     KNHdrViewItem *mActiveItem;
 192     KPaintInfo mPaintInfo;
 193     KMime::DateFormatter mDateFormatter;
 194     KMenu *mPopup;
 195     bool mShowingFolder;
 196     bool mInitDone;
 197
 198   private slots:
 199     void slotCenterDelayed();
 200     void slotSizeChanged( int, int, int );
 201
 202 };
 203
 204 #if 0
 205 class KNHeaderViewToolTip : public QToolTip {
 206
 207   public:
 208     KNHeaderViewToolTip( KNHeaderView *parent );
 209
 210   protected:
 211     void maybeTip( const QPoint &p );
 212
 213   private:
 214     KNHeaderView *listView;
 215
 216 };
 217 #endif
 218
 219 #endif