src/Qtx/QtxListAction.h

   1 // File:      QtxListAction.hxx
   2 // Author:    Sergey TELKOV (Based on code by Eugene AKSENOV)
   3
   4 #ifndef QTXLISTACTION_H
   5 #define QTXLISTACTION_H
   6
   7 #include "QtxAction.h"
   8
   9 #include <qmap.h>
  10 #include <qframe.h>
  11 #include <qstringlist.h>
  12
  13 class QLabel;
  14 class QListBox;
  15 class QPopupMenu;
  16 class QToolButton;
  17 class QToolTipGroup;
  18
  19 class QtxListFrame;
  20
  21 #ifdef WIN32
  22 #pragma warning( disable:4251 )
  23 #endif
  24
  25 class QTX_EXPORT QtxListAction : public QtxAction
  26 {
  27     Q_OBJECT
  28
  29     class ToolButton;
  30
  31 public:
  32     enum { Item, SubMenu } PopupMode;
  33
  34 public:
  35     QtxListAction( QObject* = 0, const char* = 0, bool = false );
  36     QtxListAction( const QString&, const QIconSet&, const QString&, int, QObject*, const char* = 0, bool = false );
  37     QtxListAction( const QString&, const QString&, int, QObject*, const char* = 0, bool = false );
  38     virtual ~QtxListAction();
  39
  40 public:
  41     virtual bool            addTo( QWidget* );
  42     virtual bool            addTo( QWidget*, const int );
  43
  44     virtual bool            removeFrom( QWidget* );
  45     virtual bool            eventFilter( QObject*, QEvent* );
  46
  47     int                     popupMode() const;
  48     void                    setPopupMode( const int );
  49
  50     void                    addNames( const QStringList&, bool = true );
  51     void                    setComment( const QString&, const QString& = QString::null );
  52
  53     void                    setMaxLines( int );
  54     void                    setMaxLineChars( int );
  55
  56 signals:
  57     void                    activated( int );
  58
  59 public slots:
  60     virtual void            setEnabled( bool );
  61
  62 private slots:
  63     void                    onHided();
  64     void                    onSingle();
  65     void                    onExpand( bool );
  66     void                    onMultiple( int );
  67     void                    onActivated( int );
  68     void                    onDestroyed( QObject* );
  69
  70 protected:
  71     virtual void            addedTo( QWidget*, QWidget* );
  72
  73 private:
  74     void                    initialize();
  75     QWidget*                widget( QWidget* ) const;
  76     QPopupMenu*             listPopup( QWidget* ) const;
  77     QToolButton*            mainButton( QWidget* ) const;
  78     QToolButton*            dropButton( QWidget* ) const;
  79
  80     void                    controlDeleted( QWidget* );
  81
  82 private:
  83     typedef struct { int id; QPopupMenu* popup; } Popups;
  84     typedef struct { QToolButton* main; QToolButton* drop; } Buttons;
  85     typedef QMap<QWidget*, Popups>  PopupsMap;
  86     typedef QMap<QWidget*, Buttons> ButtonsMap;
  87
  88 private:
  89     int                     myMode;
  90     QtxListFrame*           myFrame;
  91     bool                    myRaise;
  92     PopupsMap               myPopups;
  93     ButtonsMap              myButtons;
  94     QToolTipGroup*          myTipGroup;
  95
  96     friend class ToolButton;
  97 };
  98
  99 /*************************************
 100 **  Class: QtxListFrame
 101 **  Level: Internal
 102 *************************************/
 103
 104 class QtxListFrame : public QFrame
 105 {
 106     Q_OBJECT
 107
 108     class ScrollEvent;
 109
 110 public:
 111     QtxListFrame( QWidget* parent, WFlags f = 0 );
 112     virtual ~QtxListFrame();
 113
 114     void                    clear();
 115     const QStringList       names() const;
 116     void                    addNames( const QStringList& );
 117
 118     void                    setSingleComment( const QString& );
 119     void                    setMultipleComment( const QString& );
 120
 121     int                     selected() const;
 122     void                    setSelected( const int );
 123
 124     void                    setMaxLines( int );
 125     void                    setMaxLineChars( int );
 126
 127     virtual bool            event( QEvent* );
 128     virtual bool            eventFilter( QObject*, QEvent* );
 129
 130     void                    setOwner( QWidget* );
 131
 132     void                    updateComment();
 133
 134 signals:
 135     void                    hided();
 136     void                    selected( int );
 137
 138 public slots:
 139     virtual void            show();
 140     virtual void            hide();
 141
 142 private slots:
 143     void                    reject();
 144     void                    accept();
 145
 146     void                    onScroll( int, int );
 147
 148 private:
 149     void                    setNames( const QStringList& );
 150     bool                    handleKeyEvent( QObject*, QKeyEvent* );
 151     bool                    handleMouseEvent( QObject*, QMouseEvent* );
 152
 153     friend class QtxListAction;
 154
 155 private:
 156     QListBox*               myList;
 157     QStringList             myNames;
 158     QWidget*                myOwner;
 159     QLabel*                 myComment;
 160
 161     QString                 mySingleComment;
 162     QString                 myMultipleComment;
 163
 164     int                     myMaxLines;
 165     int                     myMaxLineChars;
 166
 167     int                     myScrollVal;
 168     bool                    myScrollBlock;
 169 };
 170
 171 #ifdef WIN32
 172 #pragma warning( default:4251 )
 173 #endif
 174
 175 #endif