include/wx/frame.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        wx/frame.h
   3 // Purpose:     wxFrame class interface
   4 // Author:      Vadim Zeitlin
   5 // Modified by:
   6 // Created:     15.11.99
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) wxWindows team
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifndef _WX_FRAME_H_BASE_
  13 #define _WX_FRAME_H_BASE_
  14
  15 // ----------------------------------------------------------------------------
  16 // headers
  17 // ----------------------------------------------------------------------------
  18
  19 #if defined(__GNUG__) && !defined(__APPLE__)
  20     #pragma interface "framebase.h"
  21 #endif
  22
  23 #include "wx/toplevel.h"      // the base class
  24
  25 // the default names for various classs
  26 WXDLLEXPORT_DATA(extern const wxChar*) wxFrameNameStr;
  27 WXDLLEXPORT_DATA(extern const wxChar*) wxStatusLineNameStr;
  28 WXDLLEXPORT_DATA(extern const wxChar*) wxToolBarNameStr;
  29
  30 class WXDLLEXPORT wxFrame;
  31 class WXDLLEXPORT wxMenuBar;
  32 class WXDLLEXPORT wxStatusBar;
  33 class WXDLLEXPORT wxToolBar;
  34
  35 // ----------------------------------------------------------------------------
  36 // wxFrame is a top-level window with optional menubar, statusbar and toolbar
  37 //
  38 // For each of *bars, a frame may have several of them, but only one is
  39 // managed by the frame, i.e. resized/moved when the frame is and whose size
  40 // is accounted for in client size calculations - all others should be taken
  41 // care of manually. The CreateXXXBar() functions create this, main, XXXBar,
  42 // but the actual creation is done in OnCreateXXXBar() functions which may be
  43 // overridden to create custom objects instead of standard ones when
  44 // CreateXXXBar() is called.
  45 // ----------------------------------------------------------------------------
  46
  47 class WXDLLEXPORT wxFrameBase : public wxTopLevelWindow
  48 {
  49 public:
  50     // construction
  51     wxFrameBase();
  52     virtual ~wxFrameBase();
  53
  54     wxFrame *New(wxWindow *parent,
  55                  wxWindowID winid,
  56                  const wxString& title,
  57                  const wxPoint& pos = wxDefaultPosition,
  58                  const wxSize& size = wxDefaultSize,
  59                  long style = wxDEFAULT_FRAME_STYLE,
  60                  const wxString& name = wxFrameNameStr);
  61
  62     // frame state
  63     // -----------
  64
  65     // get the origin of the client area (which may be different from (0, 0)
  66     // if the frame has a toolbar) in client coordinates
  67     virtual wxPoint GetClientAreaOrigin() const;
  68
  69     // sends a size event to the window using its current size -- this has an
  70     // effect of refreshing the window layout
  71     //
  72     // currently it is only implemented under MSW but is declared here to make
  73     // it possible to call it in portable code without using #ifdef's
  74     virtual void SendSizeEvent() { }
  75
  76     // menu bar functions
  77     // ------------------
  78
  79 #if wxUSE_MENUS
  80     virtual void SetMenuBar(wxMenuBar *menubar);
  81     virtual wxMenuBar *GetMenuBar() const { return m_frameMenuBar; }
  82 #endif // wxUSE_MENUS
  83
  84 #ifdef WXWIN_COMPATIBILITY_2_2
  85     // call this to simulate a menu command
  86     bool Command(int winid) { return ProcessCommand(winid); }
  87 #endif // WXWIN_COMPATIBILITY_2_2
  88
  89     // process menu command: returns TRUE if processed
  90     bool ProcessCommand(int winid);
  91
  92     // status bar functions
  93     // --------------------
  94 #if wxUSE_STATUSBAR
  95     // create the main status bar by calling OnCreateStatusBar()
  96     virtual wxStatusBar* CreateStatusBar(int number = 1,
  97                                          long style = wxST_SIZEGRIP,
  98                                          wxWindowID winid = 0,
  99                                          const wxString& name =
 100                                             wxStatusLineNameStr);
 101     // return a new status bar
 102     virtual wxStatusBar *OnCreateStatusBar(int number,
 103                                            long style,
 104                                            wxWindowID winid,
 105                                            const wxString& name);
 106     // get the main status bar
 107     virtual wxStatusBar *GetStatusBar() const { return m_frameStatusBar; }
 108
 109     // sets the main status bar
 110     void SetStatusBar(wxStatusBar *statBar) { m_frameStatusBar = statBar; }
 111
 112     // forward these to status bar
 113     virtual void SetStatusText(const wxString &text, int number = 0);
 114     virtual void SetStatusWidths(int n, const int widths_field[]);
 115     void PushStatusText(const wxString &text, int number = 0);
 116     void PopStatusText(int number = 0);
 117
 118     // set the status bar pane the help will be shown in
 119     void SetStatusBarPane(int n) { m_statusBarPane = n; }
 120     int GetStatusBarPane() const { return m_statusBarPane; }
 121 #endif // wxUSE_STATUSBAR
 122
 123     // toolbar functions
 124     // -----------------
 125 #if wxUSE_TOOLBAR
 126     // create main toolbar bycalling OnCreateToolBar()
 127     virtual wxToolBar* CreateToolBar(long style = wxNO_BORDER|wxTB_HORIZONTAL,
 128                                      wxWindowID winid = -1,
 129                                      const wxString& name = wxToolBarNameStr);
 130     // return a new toolbar
 131     virtual wxToolBar *OnCreateToolBar(long style,
 132                                        wxWindowID winid,
 133                                        const wxString& name );
 134
 135     // get/set the main toolbar
 136     virtual wxToolBar *GetToolBar() const { return m_frameToolBar; }
 137     virtual void SetToolBar(wxToolBar *toolbar) { m_frameToolBar = toolbar; }
 138 #endif // wxUSE_TOOLBAR
 139
 140     // implementation only from now on
 141     // -------------------------------
 142
 143     // event handlers
 144     void OnMenuOpen(wxMenuEvent& event);
 145     void OnMenuHighlight(wxMenuEvent& event);
 146
 147 #if wxUSE_MENUS
 148     // send wxUpdateUIEvents for all menu items (called from OnIdle())
 149     void DoMenuUpdates();
 150 #endif // wxUSE_MENUS
 151
 152     // do the UI update processing for this window
 153     virtual void UpdateWindowUI(long flags = wxUPDATE_UI_NONE);
 154
 155     // Implement internal behaviour (menu updating on some platforms)
 156     virtual void OnInternalIdle();
 157
 158     // if there is no real wxTopLevelWindow on this platform we have to define
 159     // some wxTopLevelWindowBase pure virtual functions here to avoid breaking
 160     // old ports (wxMotif) which don't define them in wxFrame
 161 #ifndef wxTopLevelWindowNative
 162     virtual bool ShowFullScreen(bool WXUNUSED(show),
 163                                 long WXUNUSED(style) = wxFULLSCREEN_ALL)
 164         { return FALSE; }
 165     virtual bool IsFullScreen() const
 166         { return FALSE; }
 167 #endif // no wxTopLevelWindowNative
 168
 169     // show help text (typically in the statusbar); show is FALSE
 170     // if you are hiding the help, TRUE otherwise
 171     virtual void DoGiveHelp(const wxString& text, bool show);
 172
 173 protected:
 174     // the frame main menu/status/tool bars
 175     // ------------------------------------
 176
 177     // this (non virtual!) function should be called from dtor to delete the
 178     // main menubar, statusbar and toolbar (if any)
 179     void DeleteAllBars();
 180
 181     // test whether this window makes part of the frame
 182     virtual bool IsOneOfBars(const wxWindow *win) const;
 183
 184 #if wxUSE_MENUS
 185     // override to update menu bar position when the frame size changes
 186     virtual void PositionMenuBar() { }
 187
 188     // override to do something special when the menu bar is being removed
 189     // from the frame
 190     virtual void DetachMenuBar();
 191
 192     // override to do something special when the menu bar is attached to the
 193     // frame
 194     virtual void AttachMenuBar(wxMenuBar *menubar);
 195
 196     wxMenuBar *m_frameMenuBar;
 197 #endif // wxUSE_MENUS
 198
 199 #if wxUSE_STATUSBAR
 200     // override to update status bar position (or anything else) when
 201     // something changes
 202     virtual void PositionStatusBar() { }
 203
 204     // show the help string for this menu item in the given status bar: the
 205     // status bar pointer can be NULL; return TRUE if help was shown
 206     bool ShowMenuHelp(wxStatusBar *statbar, int helpid);
 207
 208     wxStatusBar *m_frameStatusBar;
 209 #endif // wxUSE_STATUSBAR
 210
 211
 212     int m_statusBarPane;
 213
 214 #if wxUSE_TOOLBAR
 215     // override to update status bar position (or anything else) when
 216     // something changes
 217     virtual void PositionToolBar() { }
 218
 219     wxToolBar *m_frameToolBar;
 220 #endif // wxUSE_TOOLBAR
 221
 222     DECLARE_EVENT_TABLE()
 223     DECLARE_NO_COPY_CLASS(wxFrameBase)
 224 };
 225
 226 // include the real class declaration
 227 #if defined(__WXUNIVERSAL__) // && !defined(__WXMICROWIN__)
 228     #include "wx/univ/frame.h"
 229 #else // !__WXUNIVERSAL__
 230     #if defined(__WXMSW__)
 231         #include "wx/msw/frame.h"
 232     #elif defined(__WXGTK__)
 233         #include "wx/gtk/frame.h"
 234     #elif defined(__WXMOTIF__)
 235         #include "wx/motif/frame.h"
 236     #elif defined(__WXMAC__)
 237         #include "wx/mac/frame.h"
 238     #elif defined(__WXCOCOA__)
 239         #include "wx/cocoa/frame.h"
 240     #elif defined(__WXPM__)
 241         #include "wx/os2/frame.h"
 242     #endif
 243 #endif
 244
 245 #endif
 246     // _WX_FRAME_H_BASE_