include/wx/os2/mdi.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        wx/os2/mdi.h
   3 // Purpose:     MDI (Multiple Document Interface) classes.
   4 //              This doesn't have to be implemented just like Windows,
   5 //              it could be a tabbed design as in wxGTK.
   6 // Author:      David Webster
   7 // Modified by:
   8 // Created:     10/10/99
   9 // RCS-ID:      $Id$
  10 // Copyright:   (c) David Webster
  11 // Licence:     wxWindows licence
  12 /////////////////////////////////////////////////////////////////////////////
  13
  14 #ifndef _WX_MDI_H_
  15 #define _WX_MDI_H_
  16
  17 #include "wx/frame.h"
  18
  19 class WXDLLIMPEXP_FWD_CORE wxMDIClientWindow;
  20 class WXDLLIMPEXP_FWD_CORE wxMDIChildFrame;
  21
  22 class WXDLLIMPEXP_CORE wxMDIParentFrame: public wxFrame
  23 {
  24 DECLARE_DYNAMIC_CLASS(wxMDIParentFrame)
  25
  26   friend class WXDLLIMPEXP_FWD_CORE wxMDIChildFrame;
  27 public:
  28
  29   wxMDIParentFrame();
  30   inline wxMDIParentFrame(wxWindow *parent,
  31            wxWindowID id,
  32            const wxString& title,
  33            const wxPoint& pos = wxDefaultPosition,
  34            const wxSize& size = wxDefaultSize,
  35            long style = wxDEFAULT_FRAME_STYLE | wxVSCROLL | wxHSCROLL,  // Scrolling refers to client window
  36            const wxString& name = wxFrameNameStr)
  37   {
  38       Create(parent, id, title, pos, size, style, name);
  39   }
  40
  41   virtual ~wxMDIParentFrame();
  42
  43   bool Create(wxWindow *parent,
  44            wxWindowID id,
  45            const wxString& title,
  46            const wxPoint& pos = wxDefaultPosition,
  47            const wxSize& size = wxDefaultSize,
  48            long style = wxDEFAULT_FRAME_STYLE | wxVSCROLL | wxHSCROLL,
  49            const wxString& name = wxFrameNameStr);
  50
  51     // accessors
  52     // ---------
  53
  54     // Get the active MDI child window (Windows only)
  55     wxMDIChildFrame *GetActiveChild() const;
  56
  57     // Get the client window
  58     wxMDIClientWindow *GetClientWindow() const { return m_clientWindow; }
  59
  60     // Create the client window class (don't Create the window,
  61     // just return a new class)
  62     virtual wxMDIClientWindow *OnCreateClient(void);
  63
  64     wxMenu* GetWindowMenu() const { return m_windowMenu; }
  65 //    void    SetWindowMenu(wxMwnu* pMenu);
  66
  67     // MDI operations
  68     // --------------
  69     virtual void Cascade();
  70     virtual void Tile();
  71     virtual void ArrangeIcons();
  72     virtual void ActivateNext();
  73     virtual void ActivatePrevious();
  74
  75     // handlers
  76     // --------
  77
  78     // Responds to colour changes
  79     void OnSysColourChanged(wxSysColourChangedEvent& event);
  80
  81     void OnSize(wxSizeEvent& event);
  82
  83     bool HandleActivate(int state, bool minimized, WXHWND activate);
  84     bool HandleCommand(WXWORD id, WXWORD cmd, WXHWND control);
  85
  86     // override window proc for MDI-specific message processing
  87     virtual MRESULT OS2WindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam);
  88
  89     virtual MRESULT OS2DefWindowProc(WXUINT, WXWPARAM, WXLPARAM);
  90     virtual bool OS2TranslateMessage(WXMSG* msg);
  91
  92 protected:
  93     virtual void InternalSetMenuBar();
  94
  95     wxMDIClientWindow *             m_clientWindow;
  96     wxMDIChildFrame *               m_currentChild;
  97     wxMenu*                         m_windowMenu;
  98
  99     // TRUE if MDI Frame is intercepting commands, not child
 100     bool m_parentFrameActive;
 101
 102 private:
 103     DECLARE_EVENT_TABLE()
 104 };
 105
 106 class WXDLLIMPEXP_CORE wxMDIChildFrame: public wxFrame
 107 {
 108 DECLARE_DYNAMIC_CLASS(wxMDIChildFrame)
 109 public:
 110
 111   wxMDIChildFrame();
 112   inline wxMDIChildFrame(wxMDIParentFrame *parent,
 113            wxWindowID id,
 114            const wxString& title,
 115            const wxPoint& pos = wxDefaultPosition,
 116            const wxSize& size = wxDefaultSize,
 117            long style = wxDEFAULT_FRAME_STYLE,
 118            const wxString& name = wxFrameNameStr)
 119   {
 120       Create(parent, id, title, pos, size, style, name);
 121   }
 122
 123   virtual ~wxMDIChildFrame();
 124
 125   bool Create(wxMDIParentFrame *parent,
 126            wxWindowID id,
 127            const wxString& title,
 128            const wxPoint& pos = wxDefaultPosition,
 129            const wxSize& size = wxDefaultSize,
 130            long style = wxDEFAULT_FRAME_STYLE,
 131            const wxString& name = wxFrameNameStr);
 132
 133     // MDI operations
 134     virtual void Maximize(bool maximize = TRUE);
 135     virtual void Restore();
 136     virtual void Activate();
 137
 138     // Handlers
 139
 140     bool HandleMDIActivate(long bActivate, WXHWND, WXHWND);
 141     bool HandleSize(int x, int y, WXUINT);
 142     bool HandleWindowPosChanging(void *lpPos);
 143     bool HandleCommand(WXWORD id, WXWORD cmd, WXHWND control);
 144
 145     virtual MRESULT OS2WindowProc(WXUINT message, WXWPARAM wParam, WXLPARAM lParam);
 146     virtual MRESULT OS2DefWindowProc(WXUINT message, WXWPARAM wParam, WXLPARAM lParam);
 147     virtual bool OS2TranslateMessage(WXMSG *msg);
 148
 149     virtual void OS2DestroyWindow();
 150
 151     // Implementation
 152     bool ResetWindowStyle(void *vrect);
 153
 154 protected:
 155     virtual void DoGetPosition(int *x, int *y) const;
 156     virtual void DoSetClientSize(int width, int height);
 157     virtual void InternalSetMenuBar();
 158 };
 159
 160 /* The client window is a child of the parent MDI frame, and itself
 161  * contains the child MDI frames.
 162  * However, you create the MDI children as children of the MDI parent:
 163  * only in the implementation does the client window become the parent
 164  * of the children. Phew! So the children are sort of 'adopted'...
 165  */
 166
 167 class WXDLLIMPEXP_CORE wxMDIClientWindow: public wxWindow
 168 {
 169   DECLARE_DYNAMIC_CLASS(wxMDIClientWindow)
 170
 171  public:
 172
 173     wxMDIClientWindow() { Init(); }
 174     wxMDIClientWindow(wxMDIParentFrame *parent, long style = 0)
 175     {
 176         Init();
 177
 178         CreateClient(parent, style);
 179     }
 180
 181     // Note: this is virtual, to allow overridden behaviour.
 182     virtual bool CreateClient(wxMDIParentFrame *parent,
 183                               long style = wxVSCROLL | wxHSCROLL);
 184
 185     // Explicitly call default scroll behaviour
 186     void OnScroll(wxScrollEvent& event);
 187
 188 protected:
 189     void Init() { m_scrollX = m_scrollY = 0; }
 190
 191     int m_scrollX, m_scrollY;
 192
 193 private:
 194     DECLARE_EVENT_TABLE()
 195 };
 196
 197 #endif
 198     // _WX_MDI_H_