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 #include "wx/frame.h"
  16
  17 extern WXDLLEXPORT_DATA(const wxChar) wxFrameNameStr[];
  18 extern WXDLLEXPORT_DATA(const wxChar) wxStatusLineNameStr[];
  19
  20 class WXDLLEXPORT wxMDIClientWindow;
  21 class WXDLLEXPORT wxMDIChildFrame;
  22
  23 // ---------------------------------------------------------------------------
  24 // wxMDIParentFrame
  25 // ---------------------------------------------------------------------------
  26
  27 class WXDLLEXPORT wxMDIParentFrame : public wxFrame
  28 {
  29 public:
  30     wxMDIParentFrame();
  31     wxMDIParentFrame(wxWindow *parent,
  32                      wxWindowID id,
  33                      const wxString& title,
  34                      const wxPoint& pos = wxDefaultPosition,
  35                      const wxSize& size = wxDefaultSize,
  36                      long style = wxDEFAULT_FRAME_STYLE | wxVSCROLL | wxHSCROLL,
  37                      const wxString& name = wxFrameNameStr)
  38     {
  39         Create(parent, id, title, pos, size, style, name);
  40     }
  41
  42     ~wxMDIParentFrame();
  43
  44     bool Create(wxWindow *parent,
  45                 wxWindowID id,
  46                 const wxString& title,
  47                 const wxPoint& pos = wxDefaultPosition,
  48                 const wxSize& size = wxDefaultSize,
  49                 long style = wxDEFAULT_FRAME_STYLE | wxVSCROLL | wxHSCROLL,
  50                 const wxString& name = wxFrameNameStr);
  51
  52     // accessors
  53     // ---------
  54
  55     // Get the active MDI child window (Windows only)
  56     wxMDIChildFrame *GetActiveChild() const;
  57
  58     // Get the client window
  59     wxMDIClientWindow *GetClientWindow() const { return m_clientWindow; }
  60
  61     // Create the client window class (don't Create the window,
  62     // just return a new class)
  63     virtual wxMDIClientWindow *OnCreateClient(void);
  64
  65     // MDI windows menu
  66     wxMenu* GetWindowMenu() const { return m_windowMenu; };
  67     void SetWindowMenu(wxMenu* menu) ;
  68     virtual void DoMenuUpdates(wxMenu* menu = NULL);
  69
  70     // MDI operations
  71     // --------------
  72     virtual void Cascade();
  73     virtual void Tile(wxOrientation orient = wxHORIZONTAL);
  74     virtual void ArrangeIcons();
  75     virtual void ActivateNext();
  76     virtual void ActivatePrevious();
  77
  78     // handlers
  79     // --------
  80
  81     // Responds to colour changes
  82     void OnSysColourChanged(wxSysColourChangedEvent& event);
  83
  84     void OnSize(wxSizeEvent& event);
  85     void OnIconized(wxIconizeEvent& event);
  86
  87     bool HandleActivate(int state, bool minimized, WXHWND activate);
  88     bool HandleCommand(WXWORD id, WXWORD cmd, WXHWND control);
  89
  90     // override window proc for MDI-specific message processing
  91     virtual WXLRESULT MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam);
  92
  93     virtual WXLRESULT MSWDefWindowProc(WXUINT, WXWPARAM, WXLPARAM);
  94     virtual bool MSWTranslateMessage(WXMSG* msg);
  95
  96 protected:
  97 #if wxUSE_MENUS_NATIVE
  98     virtual void InternalSetMenuBar();
  99 #endif // wxUSE_MENUS_NATIVE
 100
 101     virtual WXHICON GetDefaultIcon() const;
 102
 103     // set the size of the MDI client window to match the frame size
 104     void UpdateClientSize();
 105
 106
 107     wxMDIClientWindow *             m_clientWindow;
 108     wxMDIChildFrame *               m_currentChild;
 109     wxMenu*                         m_windowMenu;
 110
 111     // true if MDI Frame is intercepting commands, not child
 112     bool m_parentFrameActive;
 113
 114 private:
 115     friend class WXDLLEXPORT wxMDIChildFrame;
 116
 117     DECLARE_EVENT_TABLE()
 118     DECLARE_DYNAMIC_CLASS(wxMDIParentFrame)
 119     DECLARE_NO_COPY_CLASS(wxMDIParentFrame)
 120 };
 121
 122 // ---------------------------------------------------------------------------
 123 // wxMDIChildFrame
 124 // ---------------------------------------------------------------------------
 125
 126 class WXDLLEXPORT wxMDIChildFrame : public wxFrame
 127 {
 128 public:
 129     wxMDIChildFrame() { Init(); }
 130     wxMDIChildFrame(wxMDIParentFrame *parent,
 131                     wxWindowID id,
 132                     const wxString& title,
 133                     const wxPoint& pos = wxDefaultPosition,
 134                     const wxSize& size = wxDefaultSize,
 135                     long style = wxDEFAULT_FRAME_STYLE,
 136                     const wxString& name = wxFrameNameStr)
 137     {
 138         Init();
 139
 140         Create(parent, id, title, pos, size, style, name);
 141     }
 142
 143     ~wxMDIChildFrame();
 144
 145     bool Create(wxMDIParentFrame *parent,
 146                 wxWindowID id,
 147                 const wxString& title,
 148                 const wxPoint& pos = wxDefaultPosition,
 149                 const wxSize& size = wxDefaultSize,
 150                 long style = wxDEFAULT_FRAME_STYLE,
 151                 const wxString& name = wxFrameNameStr);
 152
 153     virtual bool IsTopLevel() const { return false; }
 154
 155     // MDI operations
 156     virtual void Maximize(bool maximize = true);
 157     virtual void Restore();
 158     virtual void Activate();
 159
 160     // Implementation only from now on
 161     // -------------------------------
 162
 163     // Handlers
 164     bool HandleMDIActivate(long bActivate, WXHWND, WXHWND);
 165     bool HandleWindowPosChanging(void *lpPos);
 166     bool HandleCommand(WXWORD id, WXWORD cmd, WXHWND control);
 167     bool HandleGetMinMaxInfo(void *mmInfo);
 168
 169     virtual WXLRESULT MSWWindowProc(WXUINT message, WXWPARAM wParam, WXLPARAM lParam);
 170     virtual WXLRESULT MSWDefWindowProc(WXUINT message, WXWPARAM wParam, WXLPARAM lParam);
 171     virtual bool MSWTranslateMessage(WXMSG *msg);
 172
 173     virtual void MSWDestroyWindow();
 174
 175     bool ResetWindowStyle(void *vrect);
 176
 177     void OnIdle(wxIdleEvent& event);
 178
 179     virtual bool Show(bool show = true);
 180
 181 protected:
 182     virtual void DoGetPosition(int *x, int *y) const;
 183     virtual void DoSetClientSize(int width, int height);
 184     virtual void InternalSetMenuBar();
 185     virtual bool IsMDIChild() const { return true; }
 186     virtual void DetachMenuBar();
 187
 188     virtual WXHICON GetDefaultIcon() const;
 189
 190     // common part of all ctors
 191     void Init();
 192
 193 private:
 194     bool m_needsInitialShow; // Show must be called in idle time after Creation
 195     bool m_needsResize; // flag which tells us to artificially resize the frame
 196
 197     DECLARE_EVENT_TABLE()
 198     DECLARE_DYNAMIC_CLASS_NO_COPY(wxMDIChildFrame)
 199 };
 200
 201 // ---------------------------------------------------------------------------
 202 // wxMDIClientWindow
 203 // ---------------------------------------------------------------------------
 204
 205 class WXDLLEXPORT wxMDIClientWindow : public wxWindow
 206 {
 207 public:
 208     wxMDIClientWindow() { Init(); }
 209     wxMDIClientWindow(wxMDIParentFrame *parent, long style = 0)
 210     {
 211         Init();
 212
 213         CreateClient(parent, style);
 214     }
 215
 216     // Note: this is virtual, to allow overridden behaviour.
 217     virtual bool CreateClient(wxMDIParentFrame *parent,
 218                               long style = wxVSCROLL | wxHSCROLL);
 219
 220     // Explicitly call default scroll behaviour
 221     void OnScroll(wxScrollEvent& event);
 222
 223 protected:
 224     virtual void DoSetSize(int x, int y,
 225                            int width, int height,
 226                            int sizeFlags = wxSIZE_AUTO);
 227
 228     void Init() { m_scrollX = m_scrollY = 0; }
 229
 230     int m_scrollX, m_scrollY;
 231
 232 private:
 233     DECLARE_EVENT_TABLE()
 234     DECLARE_DYNAMIC_CLASS_NO_COPY(wxMDIClientWindow)
 235 };
 236
 237 #endif
 238     // _WX_MDI_H_