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 extern WXDLLEXPORT_DATA(const wxChar*) wxFrameNameStr;
  22 extern WXDLLEXPORT_DATA(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     virtual void DoMenuUpdates(wxMenu* menu = NULL);
  73
  74     // MDI operations
  75     // --------------
  76     virtual void Cascade();
  77     virtual void Tile();
  78     virtual void ArrangeIcons();
  79     virtual void ActivateNext();
  80     virtual void ActivatePrevious();
  81
  82     // handlers
  83     // --------
  84
  85     // Responds to colour changes
  86     void OnSysColourChanged(wxSysColourChangedEvent& event);
  87
  88     void OnSize(wxSizeEvent& event);
  89
  90     bool HandleActivate(int state, bool minimized, WXHWND activate);
  91     bool HandleCommand(WXWORD id, WXWORD cmd, WXHWND control);
  92
  93     // override window proc for MDI-specific message processing
  94     virtual WXLRESULT MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam);
  95
  96     virtual WXLRESULT MSWDefWindowProc(WXUINT, WXWPARAM, WXLPARAM);
  97     virtual bool MSWTranslateMessage(WXMSG* msg);
  98
  99 protected:
 100 #if wxUSE_MENUS_NATIVE
 101     virtual void InternalSetMenuBar();
 102 #endif // wxUSE_MENUS_NATIVE
 103
 104     virtual WXHICON GetDefaultIcon() const;
 105
 106     wxMDIClientWindow *             m_clientWindow;
 107     wxMDIChildFrame *               m_currentChild;
 108     wxMenu*                         m_windowMenu;
 109
 110     // true if MDI Frame is intercepting commands, not child
 111     bool m_parentFrameActive;
 112
 113 private:
 114     friend class WXDLLEXPORT wxMDIChildFrame;
 115
 116     DECLARE_EVENT_TABLE()
 117     DECLARE_DYNAMIC_CLASS(wxMDIParentFrame)
 118     DECLARE_NO_COPY_CLASS(wxMDIParentFrame)
 119 };
 120
 121 // ---------------------------------------------------------------------------
 122 // wxMDIChildFrame
 123 // ---------------------------------------------------------------------------
 124
 125 class WXDLLEXPORT wxMDIChildFrame : public wxFrame
 126 {
 127 public:
 128     wxMDIChildFrame() { Init(); }
 129     wxMDIChildFrame(wxMDIParentFrame *parent,
 130                     wxWindowID id,
 131                     const wxString& title,
 132                     const wxPoint& pos = wxDefaultPosition,
 133                     const wxSize& size = wxDefaultSize,
 134                     long style = wxDEFAULT_FRAME_STYLE,
 135                     const wxString& name = wxFrameNameStr)
 136     {
 137         Init();
 138
 139         Create(parent, id, title, pos, size, style, name);
 140     }
 141
 142     ~wxMDIChildFrame();
 143
 144     bool Create(wxMDIParentFrame *parent,
 145                 wxWindowID id,
 146                 const wxString& title,
 147                 const wxPoint& pos = wxDefaultPosition,
 148                 const wxSize& size = wxDefaultSize,
 149                 long style = wxDEFAULT_FRAME_STYLE,
 150                 const wxString& name = wxFrameNameStr);
 151
 152     virtual bool IsTopLevel() const { return false; }
 153
 154     // MDI operations
 155     virtual void Maximize(bool maximize = true);
 156     virtual void Restore();
 157     virtual void Activate();
 158
 159     // Implementation only from now on
 160     // -------------------------------
 161
 162     // Handlers
 163     bool HandleMDIActivate(long bActivate, WXHWND, WXHWND);
 164     bool HandleWindowPosChanging(void *lpPos);
 165     bool HandleCommand(WXWORD id, WXWORD cmd, WXHWND control);
 166     bool HandleGetMinMaxInfo(void *mmInfo);
 167
 168     virtual WXLRESULT MSWWindowProc(WXUINT message, WXWPARAM wParam, WXLPARAM lParam);
 169     virtual WXLRESULT MSWDefWindowProc(WXUINT message, WXWPARAM wParam, WXLPARAM lParam);
 170     virtual bool MSWTranslateMessage(WXMSG *msg);
 171
 172     virtual void MSWDestroyWindow();
 173
 174     bool ResetWindowStyle(void *vrect);
 175
 176     void OnIdle(wxIdleEvent& event);
 177
 178     virtual bool Show(bool show = true);
 179
 180 protected:
 181     virtual void DoGetPosition(int *x, int *y) const;
 182     virtual void DoSetClientSize(int width, int height);
 183     virtual void InternalSetMenuBar();
 184     virtual bool IsMDIChild() const { return true; }
 185
 186     virtual WXHICON GetDefaultIcon() const;
 187
 188     // common part of all ctors
 189     void Init();
 190
 191 private:
 192     bool m_needsInitialShow; // Show must be called in idle time after Creation
 193     bool m_needsResize; // flag which tells us to artificially resize the frame
 194
 195     DECLARE_EVENT_TABLE()
 196     DECLARE_DYNAMIC_CLASS_NO_COPY(wxMDIChildFrame)
 197 };
 198
 199 // ---------------------------------------------------------------------------
 200 // wxMDIClientWindow
 201 // ---------------------------------------------------------------------------
 202
 203 class WXDLLEXPORT wxMDIClientWindow : public wxWindow
 204 {
 205 public:
 206     wxMDIClientWindow() { Init(); }
 207     wxMDIClientWindow(wxMDIParentFrame *parent, long style = 0)
 208     {
 209         Init();
 210
 211         CreateClient(parent, style);
 212     }
 213
 214     // Note: this is virtual, to allow overridden behaviour.
 215     virtual bool CreateClient(wxMDIParentFrame *parent,
 216                               long style = wxVSCROLL | wxHSCROLL);
 217
 218     // Explicitly call default scroll behaviour
 219     void OnScroll(wxScrollEvent& event);
 220
 221     virtual void DoSetSize(int x, int y,
 222                            int width, int height,
 223                            int sizeFlags = wxSIZE_AUTO);
 224 protected:
 225     void Init() { m_scrollX = m_scrollY = 0; }
 226
 227     int m_scrollX, m_scrollY;
 228
 229 private:
 230     DECLARE_EVENT_TABLE()
 231     DECLARE_DYNAMIC_CLASS_NO_COPY(wxMDIClientWindow)
 232 };
 233
 234 #endif
 235     // _WX_MDI_H_