include/wx/msw/mdi.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        wx/msw/mdi.h
   3 // Purpose:     MDI (Multiple Document Interface) classes
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     01/02/97
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifndef _WX_MDI_H_
  13 #define _WX_MDI_H_
  14
  15 #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
  16     #pragma interface "mdi.h"
  17 #endif
  18
  19 #include "wx/frame.h"
  20
  21 WXDLLEXPORT_DATA(extern const wxChar*) wxFrameNameStr;
  22 WXDLLEXPORT_DATA(extern const wxChar*) wxStatusLineNameStr;
  23
  24 class WXDLLEXPORT wxMDIClientWindow;
  25 class WXDLLEXPORT wxMDIChildFrame;
  26
  27 // ---------------------------------------------------------------------------
  28 // wxMDIParentFrame
  29 // ---------------------------------------------------------------------------
  30
  31 class WXDLLEXPORT wxMDIParentFrame : public wxFrame
  32 {
  33 public:
  34     wxMDIParentFrame();
  35     wxMDIParentFrame(wxWindow *parent,
  36                      wxWindowID id,
  37                      const wxString& title,
  38                      const wxPoint& pos = wxDefaultPosition,
  39                      const wxSize& size = wxDefaultSize,
  40                      long style = wxDEFAULT_FRAME_STYLE | wxVSCROLL | wxHSCROLL,
  41                      const wxString& name = wxFrameNameStr)
  42     {
  43         Create(parent, id, title, pos, size, style, name);
  44     }
  45
  46     ~wxMDIParentFrame();
  47
  48     bool Create(wxWindow *parent,
  49                 wxWindowID id,
  50                 const wxString& title,
  51                 const wxPoint& pos = wxDefaultPosition,
  52                 const wxSize& size = wxDefaultSize,
  53                 long style = wxDEFAULT_FRAME_STYLE | wxVSCROLL | wxHSCROLL,
  54                 const wxString& name = wxFrameNameStr);
  55
  56     // accessors
  57     // ---------
  58
  59     // Get the active MDI child window (Windows only)
  60     wxMDIChildFrame *GetActiveChild() const;
  61
  62     // Get the client window
  63     wxMDIClientWindow *GetClientWindow() const { return m_clientWindow; }
  64
  65     // Create the client window class (don't Create the window,
  66     // just return a new class)
  67     virtual wxMDIClientWindow *OnCreateClient(void);
  68
  69     // MDI windows menu
  70     wxMenu* GetWindowMenu() const { return m_windowMenu; };
  71     void SetWindowMenu(wxMenu* menu) ;
  72
  73     // MDI operations
  74     // --------------
  75     virtual void Cascade();
  76     virtual void Tile();
  77     virtual void ArrangeIcons();
  78     virtual void ActivateNext();
  79     virtual void ActivatePrevious();
  80
  81     // handlers
  82     // --------
  83
  84     // Responds to colour changes
  85     void OnSysColourChanged(wxSysColourChangedEvent& event);
  86
  87     void OnSize(wxSizeEvent& event);
  88
  89     bool HandleActivate(int state, bool minimized, WXHWND activate);
  90     bool HandleCommand(WXWORD id, WXWORD cmd, WXHWND control);
  91
  92     // override window proc for MDI-specific message processing
  93     virtual WXLRESULT MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam);
  94
  95     virtual WXLRESULT MSWDefWindowProc(WXUINT, WXWPARAM, WXLPARAM);
  96     virtual bool MSWTranslateMessage(WXMSG* msg);
  97
  98 protected:
  99 #if wxUSE_MENUS_NATIVE
 100     virtual void InternalSetMenuBar();
 101 #endif // wxUSE_MENUS_NATIVE
 102
 103     virtual WXHICON GetDefaultIcon() const;
 104
 105     wxMDIClientWindow *             m_clientWindow;
 106     wxMDIChildFrame *               m_currentChild;
 107     wxMenu*                         m_windowMenu;
 108
 109     // true if MDI Frame is intercepting commands, not child
 110     bool m_parentFrameActive;
 111
 112 private:
 113     friend class WXDLLEXPORT wxMDIChildFrame;
 114
 115     DECLARE_EVENT_TABLE()
 116     DECLARE_DYNAMIC_CLASS(wxMDIParentFrame)
 117     DECLARE_NO_COPY_CLASS(wxMDIParentFrame)
 118 };
 119
 120 // ---------------------------------------------------------------------------
 121 // wxMDIChildFrame
 122 // ---------------------------------------------------------------------------
 123
 124 class WXDLLEXPORT wxMDIChildFrame : public wxFrame
 125 {
 126 public:
 127     wxMDIChildFrame() { Init(); }
 128     wxMDIChildFrame(wxMDIParentFrame *parent,
 129                     wxWindowID id,
 130                     const wxString& title,
 131                     const wxPoint& pos = wxDefaultPosition,
 132                     const wxSize& size = wxDefaultSize,
 133                     long style = wxDEFAULT_FRAME_STYLE,
 134                     const wxString& name = wxFrameNameStr)
 135     {
 136         Init();
 137
 138         Create(parent, id, title, pos, size, style, name);
 139     }
 140
 141     ~wxMDIChildFrame();
 142
 143     bool Create(wxMDIParentFrame *parent,
 144                 wxWindowID id,
 145                 const wxString& title,
 146                 const wxPoint& pos = wxDefaultPosition,
 147                 const wxSize& size = wxDefaultSize,
 148                 long style = wxDEFAULT_FRAME_STYLE,
 149                 const wxString& name = wxFrameNameStr);
 150
 151     virtual bool IsTopLevel() const { return false; }
 152
 153     // MDI operations
 154     virtual void Maximize(bool maximize = true);
 155     virtual void Restore();
 156     virtual void Activate();
 157
 158     // Implementation only from now on
 159     // -------------------------------
 160
 161     // Handlers
 162     bool HandleMDIActivate(long bActivate, WXHWND, WXHWND);
 163     bool HandleWindowPosChanging(void *lpPos);
 164     bool HandleCommand(WXWORD id, WXWORD cmd, WXHWND control);
 165     bool HandleGetMinMaxInfo(void *mmInfo);
 166
 167     virtual WXLRESULT MSWWindowProc(WXUINT message, WXWPARAM wParam, WXLPARAM lParam);
 168     virtual WXLRESULT MSWDefWindowProc(WXUINT message, WXWPARAM wParam, WXLPARAM lParam);
 169     virtual bool MSWTranslateMessage(WXMSG *msg);
 170
 171     virtual void MSWDestroyWindow();
 172
 173     bool ResetWindowStyle(void *vrect);
 174
 175     void OnIdle(wxIdleEvent& event);
 176
 177 protected:
 178     virtual void DoGetPosition(int *x, int *y) const;
 179     virtual void DoSetClientSize(int width, int height);
 180     virtual void InternalSetMenuBar();
 181     virtual bool IsMDIChild() const { return true; }
 182
 183     virtual WXHICON GetDefaultIcon() const;
 184
 185     // common part of all ctors
 186     void Init();
 187
 188 private:
 189     bool m_needsResize; // flag which tells us to artificially resize the frame
 190
 191     DECLARE_EVENT_TABLE()
 192     DECLARE_DYNAMIC_CLASS_NO_COPY(wxMDIChildFrame)
 193 };
 194
 195 // ---------------------------------------------------------------------------
 196 // wxMDIClientWindow
 197 // ---------------------------------------------------------------------------
 198
 199 class WXDLLEXPORT wxMDIClientWindow : public wxWindow
 200 {
 201 public:
 202     wxMDIClientWindow() { Init(); }
 203     wxMDIClientWindow(wxMDIParentFrame *parent, long style = 0)
 204     {
 205         Init();
 206
 207         CreateClient(parent, style);
 208     }
 209
 210     // Note: this is virtual, to allow overridden behaviour.
 211     virtual bool CreateClient(wxMDIParentFrame *parent,
 212                               long style = wxVSCROLL | wxHSCROLL);
 213
 214     // Explicitly call default scroll behaviour
 215     void OnScroll(wxScrollEvent& event);
 216
 217     virtual void DoSetSize(int x, int y,
 218                            int width, int height,
 219                            int sizeFlags = wxSIZE_AUTO);
 220 protected:
 221     void Init() { m_scrollX = m_scrollY = 0; }
 222
 223     int m_scrollX, m_scrollY;
 224
 225 private:
 226     DECLARE_EVENT_TABLE()
 227     DECLARE_DYNAMIC_CLASS_NO_COPY(wxMDIClientWindow)
 228 };
 229
 230 #endif
 231     // _WX_MDI_H_