src/motif/mdi/lib/XsMDICanvas.h

   1 /*
   2    Copyright (C) 1996 Scott W. Sadler
   3    All rights reserved.
   4 */
   5
   6 /*
   7    XsMDICanvas.h
   8
   9    History
  10       03-Mar-96 1.0; Scott W. Sadler (sws@iti-oh.com)
  11                      Created
  12 */
  13
  14 #ifndef XSMDICANVAS_H
  15 #define XSMDICANVAS_H
  16
  17 // Includes
  18
  19 #include "XsComponent.h"
  20
  21 // Forward declarations
  22
  23 class XsMDIWindow;
  24
  25 // XsMDICanvas class
  26
  27 class XsMDICanvas : public XsComponent {
  28
  29    public:
  30
  31 // Constructor/Destructor
  32
  33       XsMDICanvas (const char *name, Widget parent);
  34       virtual ~XsMDICanvas ( );
  35
  36 // MDI Window manipulation
  37
  38       virtual void add (XsMDIWindow *win);      // Add an MDI window
  39       virtual void remove (XsMDIWindow *win);   // Remove an MDI window
  40       void removeAll ( );                       // Remove all MDI windows
  41
  42 // Added JACS 19/10/98
  43      inline Widget GetDrawingArea() const { return _drawArea; }
  44
  45 // Utilities
  46
  47       int   numWindows ( ) const;            // Number of MDI windows
  48
  49 // Component methods
  50
  51       virtual void show ( );
  52
  53 // Class name
  54
  55       virtual const char *className ( ) const;
  56
  57    protected:
  58
  59 // Component life-cycle
  60
  61       virtual void _componentDestroyed ( );
  62
  63 // Geometry management
  64
  65       virtual  void _placeWindow (XsMDIWindow *win);
  66
  67 // Canvas resize handler
  68
  69       virtual void   _resize (XtPointer);
  70
  71 // Implementation
  72
  73       Widget         _clipWin;
  74       Widget         _drawArea;
  75
  76       XsMDIWindow  **_list;
  77       int            _num;
  78       int            _max;
  79       int            _place;
  80
  81    private:
  82
  83 // Callbacks
  84
  85       static void _clipResizeCallback (Widget, XtPointer, XtPointer);
  86       static void _canvasResizeCallback (Widget, XtPointer, XtPointer);
  87
  88 // Resources
  89
  90       static String  _resources[];
  91 };
  92
  93 // Inline member functions
  94
  95 inline XsMDICanvas::numWindows ( ) const
  96 {
  97    return (_num);
  98 }
  99
 100 #endif