contrib/include/wx/fl/bardragpl.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        bardragpl.h
   3 // Purpose:     cbBarDragPlugin class
   4 // Author:      Aleksandras Gluchovas
   5 // Modified by:
   6 // Created:     23/09/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Aleksandras Gluchovas
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifndef __BARDRAGPL_G__
  13 #define __BARDRAGPL_G__
  14
  15 #ifdef __GNUG__
  16     #pragma interface "bardragpl.h"
  17 #endif
  18
  19 #include "wx/fl/controlbar.h"
  20 #include "wx/fl/toolwnd.h"
  21
  22 /*
  23 Plugin class implementing bar dragging.
  24 */
  25
  26 class cbBarDragPlugin : public cbPluginBase
  27 {
  28     DECLARE_DYNAMIC_CLASS( cbBarDragPlugin )
  29 protected:
  30
  31     // plugin is active only in bar-dragging state
  32     bool           mBarDragStarted;
  33     bool           mCanStick;          // flag used to prevent "bouncing" of hint-rectangle
  34     wxScreenDC*    mpScrDc;            // created while tracking hint-rect
  35     wxCursor*      mpCurCursor;
  36
  37     // rectangle shows the position/dimensions of the bar,
  38     // if it would be docked now
  39
  40     wxRect         mPrevHintRect;
  41     wxRect         mHintRect;
  42
  43
  44     int            mMouseInRectX;
  45     int            mMouseInRectY;
  46
  47     cbDockPane*    mpSrcPane;          // pane, from which the bar was originally taken
  48     int            mBarWidthInSrcPane;
  49
  50     cbDockPane*    mpCurPane;
  51
  52     cbBarInfo*     mpDraggedBar;       // bar, which is being dragged
  53     bool           mBarWasFloating;
  54     wxRect         mFloatedBarBounds;
  55
  56 public: /*** public properties ***/
  57
  58     int            mInClientHintBorder; // when hint-rect moves within client window area,
  59                                         // the thicker rectangle is drawn using hatched brush,
  60                                         // the default border width for this rectangle is 8 pix.
  61
  62 protected:
  63
  64         // Internal implementation function.
  65     void AdjustHintRect( wxPoint& mousePos );
  66
  67         // Internal implementation function.
  68     void ClipRectInFrame( wxRect& rect );
  69
  70         // Internal implementation function.
  71     void ClipPosInFrame( wxPoint& pos );
  72
  73         // Internal implementation function. Finds the pane
  74         // under the specified rectangle.
  75     cbDockPane* HitTestPanes( wxRect& rect );
  76
  77         // Internal implementation function. Finds the pane
  78         // under the specified point.
  79     cbDockPane* HitTestPanes( wxPoint& pos );
  80
  81         // Internal implementation function.
  82     bool HitsPane( cbDockPane* pPane, wxRect& rect );
  83
  84         // Internal implementation function.
  85     void CalcOnScreenDims( wxRect& rect );
  86
  87         // Internal implementation function.
  88     int  GetDistanceToPane( cbDockPane* pPane, wxPoint& mousePos );
  89
  90         // Internal implementation function.
  91     bool IsInOtherPane ( wxPoint& mousePos );
  92
  93         // Internal implementation function.
  94     bool IsInClientArea( wxPoint& mousePos );
  95
  96         // Internal implementation function.
  97     bool IsInClientArea( wxRect& rect );
  98
  99         // Internal implementation function.
 100     void StickToPane( cbDockPane* pPane, wxPoint& mousePos );
 101
 102         // Internal implementation function.
 103     void UnstickFromPane( cbDockPane* pPane, wxPoint& mousePos );
 104
 105         // Internal implementation function.
 106     int GetBarWidthInPane( cbDockPane* pPane );
 107
 108         // Internal implementation function.
 109     int GetBarHeightInPane( cbDockPane* pPane );
 110
 111         // on-screen hint-tracking related methods
 112
 113         // Internal implementation function.
 114         // Start showing a visual hint while dragging.
 115     void StartTracking();
 116
 117         // Internal implementation function.
 118         // Draw the visual hint while dragging.
 119     void DrawHintRect ( wxRect& rect, bool isInClientRect);
 120
 121         // Internal implementation function.
 122         // Erase the visual hint while dragging.
 123     void EraseHintRect( wxRect& rect, bool isInClientRect);
 124
 125         // Internal implementation function.
 126         // Stop showing the visual hint while dragging.
 127     void FinishTracking();
 128
 129         // Internal implementation function.
 130         // Draw the hint rectangle.
 131     void DoDrawHintRect( wxRect& rect, bool isInClientRect);
 132
 133         // Internal implementation function.
 134         // Converts the given rectangle from window to screen coordinates.
 135     void RectToScr( wxRect& frameRect, wxRect& scrRect );
 136
 137         // Internal implementation function.
 138         // Show the hint; called within OnMouseMove.
 139     void ShowHint( bool prevWasInClient );
 140
 141 public:
 142         // Default constructor.
 143     cbBarDragPlugin(void);
 144
 145         // Constructor taking a parent frame, and flag. See cbPluginBase.
 146     cbBarDragPlugin( wxFrameLayout* pPanel, int paneMask = wxALL_PANES );
 147
 148         // Destructor.
 149     virtual ~cbBarDragPlugin();
 150
 151         // Handler for plugin event.
 152     void OnMouseMove( cbMotionEvent& event );
 153
 154         // Handler for plugin event.
 155     void OnLButtonUp( cbLeftUpEvent& event );
 156
 157         // Handler for plugin event.
 158     void OnLButtonDown( cbLeftDownEvent& event );
 159
 160         // Handler for plugin event.
 161     void OnLDblClick( cbLeftDClickEvent& event );
 162
 163         // Handles event, which originates from itself.
 164     void OnDrawHintRect( cbDrawHintRectEvent& event );
 165
 166         // Handler for plugin event.
 167     void OnStartBarDragging( cbStartBarDraggingEvent& event );
 168
 169     DECLARE_EVENT_TABLE()
 170 };
 171
 172 #endif /* __BARDRAGPL_G__ */
 173