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) wxWidgets 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 #include "wx/toplevel.h"      // the base class
  20 #include "wx/statusbr.h"
  21
  22 // the default names for various classs
  23 extern WXDLLIMPEXP_DATA_CORE(const char) wxStatusLineNameStr[];
  24 extern WXDLLIMPEXP_DATA_CORE(const char) wxToolBarNameStr[];
  25
  26 class WXDLLIMPEXP_FWD_CORE wxFrame;
  27 class WXDLLIMPEXP_FWD_CORE wxMenuBar;
  28 class WXDLLIMPEXP_FWD_CORE wxMenuItem;
  29 class WXDLLIMPEXP_FWD_CORE wxStatusBar;
  30 class WXDLLIMPEXP_FWD_CORE wxToolBar;
  31
  32 // ----------------------------------------------------------------------------
  33 // constants
  34 // ----------------------------------------------------------------------------
  35
  36 // wxFrame-specific (i.e. not for wxDialog) styles
  37 #define wxFRAME_NO_TASKBAR      0x0002  // No taskbar button (MSW only)
  38 #define wxFRAME_TOOL_WINDOW     0x0004  // No taskbar button, no system menu
  39 #define wxFRAME_FLOAT_ON_PARENT 0x0008  // Always above its parent
  40 #define wxFRAME_SHAPED          0x0010  // Create a window that is able to be shaped
  41
  42 // ----------------------------------------------------------------------------
  43 // wxFrame is a top-level window with optional menubar, statusbar and toolbar
  44 //
  45 // For each of *bars, a frame may have several of them, but only one is
  46 // managed by the frame, i.e. resized/moved when the frame is and whose size
  47 // is accounted for in client size calculations - all others should be taken
  48 // care of manually. The CreateXXXBar() functions create this, main, XXXBar,
  49 // but the actual creation is done in OnCreateXXXBar() functions which may be
  50 // overridden to create custom objects instead of standard ones when
  51 // CreateXXXBar() is called.
  52 // ----------------------------------------------------------------------------
  53
  54 class WXDLLIMPEXP_CORE wxFrameBase : public wxTopLevelWindow
  55 {
  56 public:
  57     // construction
  58     wxFrameBase();
  59     virtual ~wxFrameBase();
  60
  61     wxFrame *New(wxWindow *parent,
  62                  wxWindowID winid,
  63                  const wxString& title,
  64                  const wxPoint& pos = wxDefaultPosition,
  65                  const wxSize& size = wxDefaultSize,
  66                  long style = wxDEFAULT_FRAME_STYLE,
  67                  const wxString& name = wxFrameNameStr);
  68
  69     // frame state
  70     // -----------
  71
  72     // get the origin of the client area (which may be different from (0, 0)
  73     // if the frame has a toolbar) in client coordinates
  74     virtual wxPoint GetClientAreaOrigin() const;
  75
  76
  77     // menu bar functions
  78     // ------------------
  79
  80 #if wxUSE_MENUS
  81     virtual void SetMenuBar(wxMenuBar *menubar);
  82     virtual wxMenuBar *GetMenuBar() const { return m_frameMenuBar; }
  83
  84     // find the item by id in the frame menu bar: this is an internal function
  85     // and exists mainly in order to be overridden in the MDI parent frame
  86     // which also looks at its active child menu bar
  87     virtual wxMenuItem *FindItemInMenuBar(int menuId) const;
  88
  89     // generate menu command corresponding to the given menu item
  90     //
  91     // returns true if processed
  92     bool ProcessCommand(wxMenuItem *item);
  93
  94     // generate menu command corresponding to the given menu command id
  95     //
  96     // returns true if processed
  97     bool ProcessCommand(int winid);
  98 #else
  99     bool ProcessCommand(int WXUNUSED(winid)) { return false; }
 100 #endif // wxUSE_MENUS
 101
 102     // status bar functions
 103     // --------------------
 104 #if wxUSE_STATUSBAR
 105     // create the main status bar by calling OnCreateStatusBar()
 106     virtual wxStatusBar* CreateStatusBar(int number = 1,
 107                                          long style = wxST_DEFAULT_STYLE,
 108                                          wxWindowID winid = 0,
 109                                          const wxString& name = wxStatusLineNameStr);
 110     // return a new status bar
 111     virtual wxStatusBar *OnCreateStatusBar(int number,
 112                                            long style,
 113                                            wxWindowID winid,
 114                                            const wxString& name);
 115     // get the main status bar
 116     virtual wxStatusBar *GetStatusBar() const { return m_frameStatusBar; }
 117
 118     // sets the main status bar
 119     virtual void SetStatusBar(wxStatusBar *statBar);
 120
 121     // forward these to status bar
 122     virtual void SetStatusText(const wxString &text, int number = 0);
 123     virtual void SetStatusWidths(int n, const int widths_field[]);
 124     void PushStatusText(const wxString &text, int number = 0);
 125     void PopStatusText(int number = 0);
 126
 127     // set the status bar pane the help will be shown in
 128     void SetStatusBarPane(int n) { m_statusBarPane = n; }
 129     int GetStatusBarPane() const { return m_statusBarPane; }
 130 #endif // wxUSE_STATUSBAR
 131
 132     // toolbar functions
 133     // -----------------
 134
 135 #if wxUSE_TOOLBAR
 136     // create main toolbar bycalling OnCreateToolBar()
 137     virtual wxToolBar* CreateToolBar(long style = -1,
 138                                      wxWindowID winid = wxID_ANY,
 139                                      const wxString& name = wxToolBarNameStr);
 140     // return a new toolbar
 141     virtual wxToolBar *OnCreateToolBar(long style,
 142                                        wxWindowID winid,
 143                                        const wxString& name );
 144
 145     // get/set the main toolbar
 146     virtual wxToolBar *GetToolBar() const { return m_frameToolBar; }
 147     virtual void SetToolBar(wxToolBar *toolbar);
 148 #endif // wxUSE_TOOLBAR
 149
 150     // implementation only from now on
 151     // -------------------------------
 152
 153     // event handlers
 154 #if wxUSE_MENUS
 155 #if wxUSE_STATUSBAR
 156     void OnMenuOpen(wxMenuEvent& event);
 157     void OnMenuClose(wxMenuEvent& event);
 158     void OnMenuHighlight(wxMenuEvent& event);
 159 #endif // wxUSE_STATUSBAR
 160
 161     // send wxUpdateUIEvents for all menu items in the menubar,
 162     // or just for menu if non-NULL
 163     virtual void DoMenuUpdates(wxMenu* menu = NULL);
 164 #endif // wxUSE_MENUS
 165
 166     // do the UI update processing for this window
 167     virtual void UpdateWindowUI(long flags = wxUPDATE_UI_NONE);
 168
 169     // Implement internal behaviour (menu updating on some platforms)
 170     virtual void OnInternalIdle();
 171
 172     // if there is no real wxTopLevelWindow on this platform we have to define
 173     // some wxTopLevelWindowBase pure virtual functions here to avoid breaking
 174     // old ports (wxMotif) which don't define them in wxFrame
 175 #ifndef wxTopLevelWindowNative
 176     virtual bool ShowFullScreen(bool WXUNUSED(show),
 177                                 long WXUNUSED(style) = wxFULLSCREEN_ALL)
 178         { return false; }
 179     virtual bool IsFullScreen() const
 180         { return false; }
 181 #endif // no wxTopLevelWindowNative
 182
 183 #if wxUSE_MENUS || wxUSE_TOOLBAR
 184     // show help text for the currently selected menu or toolbar item
 185     // (typically in the status bar) or hide it and restore the status bar text
 186     // originally shown before the menu was opened if show == false
 187     virtual void DoGiveHelp(const wxString& text, bool show);
 188 #endif
 189
 190     virtual bool IsClientAreaChild(const wxWindow *child) const
 191     {
 192         return !IsOneOfBars(child) && wxTopLevelWindow::IsClientAreaChild(child);
 193     }
 194
 195 protected:
 196     // the frame main menu/status/tool bars
 197     // ------------------------------------
 198
 199     // this (non virtual!) function should be called from dtor to delete the
 200     // main menubar, statusbar and toolbar (if any)
 201     void DeleteAllBars();
 202
 203     // test whether this window makes part of the frame
 204     virtual bool IsOneOfBars(const wxWindow *win) const;
 205
 206 #if wxUSE_MENUS
 207     // override to update menu bar position when the frame size changes
 208     virtual void PositionMenuBar() { }
 209
 210     // override to do something special when the menu bar is being removed
 211     // from the frame
 212     virtual void DetachMenuBar();
 213
 214     // override to do something special when the menu bar is attached to the
 215     // frame
 216     virtual void AttachMenuBar(wxMenuBar *menubar);
 217
 218     wxMenuBar *m_frameMenuBar;
 219 #endif // wxUSE_MENUS
 220
 221 #if wxUSE_STATUSBAR && (wxUSE_MENUS || wxUSE_TOOLBAR)
 222     // the saved status bar text overwritten by DoGiveHelp()
 223     wxString m_oldStatusText;
 224 #endif
 225
 226 #if wxUSE_STATUSBAR
 227     // override to update status bar position (or anything else) when
 228     // something changes
 229     virtual void PositionStatusBar() { }
 230
 231     // show the help string for the given menu item using DoGiveHelp() if the
 232     // given item does have a help string (as determined by FindInMenuBar()),
 233     // return false if there is no help for such item
 234     bool ShowMenuHelp(int helpid);
 235
 236     wxStatusBar *m_frameStatusBar;
 237 #endif // wxUSE_STATUSBAR
 238
 239
 240     int m_statusBarPane;
 241
 242 #if wxUSE_TOOLBAR
 243     // override to update status bar position (or anything else) when
 244     // something changes
 245     virtual void PositionToolBar() { }
 246
 247     wxToolBar *m_frameToolBar;
 248 #endif // wxUSE_TOOLBAR
 249
 250 #if wxUSE_MENUS && wxUSE_STATUSBAR
 251     DECLARE_EVENT_TABLE()
 252 #endif // wxUSE_MENUS && wxUSE_STATUSBAR
 253
 254     wxDECLARE_NO_COPY_CLASS(wxFrameBase);
 255 };
 256
 257 // include the real class declaration
 258 #if defined(__WXUNIVERSAL__) // && !defined(__WXMICROWIN__)
 259     #include "wx/univ/frame.h"
 260 #else // !__WXUNIVERSAL__
 261     #if defined(__WXPALMOS__)
 262         #include "wx/palmos/frame.h"
 263     #elif defined(__WXMSW__)
 264         #include "wx/msw/frame.h"
 265     #elif defined(__WXGTK20__)
 266         #include "wx/gtk/frame.h"
 267     #elif defined(__WXGTK__)
 268         #include "wx/gtk1/frame.h"
 269     #elif defined(__WXMOTIF__)
 270         #include "wx/motif/frame.h"
 271     #elif defined(__WXMAC__)
 272         #include "wx/osx/frame.h"
 273     #elif defined(__WXCOCOA__)
 274         #include "wx/cocoa/frame.h"
 275     #elif defined(__WXPM__)
 276         #include "wx/os2/frame.h"
 277     #endif
 278 #endif
 279
 280 #endif
 281     // _WX_FRAME_H_BASE_