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 // Copyright:   (c) wxWidgets team
   8 // Licence:     wxWindows licence
   9 /////////////////////////////////////////////////////////////////////////////
  10
  11 #ifndef _WX_FRAME_H_BASE_
  12 #define _WX_FRAME_H_BASE_
  13
  14 // ----------------------------------------------------------------------------
  15 // headers
  16 // ----------------------------------------------------------------------------
  17
  18 #include "wx/toplevel.h"      // the base class
  19 #include "wx/statusbr.h"
  20
  21 // the default names for various classs
  22 extern WXDLLIMPEXP_DATA_CORE(const char) wxStatusLineNameStr[];
  23 extern WXDLLIMPEXP_DATA_CORE(const char) wxToolBarNameStr[];
  24
  25 class WXDLLIMPEXP_FWD_CORE wxFrame;
  26 class WXDLLIMPEXP_FWD_CORE wxMenuBar;
  27 class WXDLLIMPEXP_FWD_CORE wxMenuItem;
  28 class WXDLLIMPEXP_FWD_CORE wxStatusBar;
  29 class WXDLLIMPEXP_FWD_CORE wxToolBar;
  30
  31 // ----------------------------------------------------------------------------
  32 // constants
  33 // ----------------------------------------------------------------------------
  34
  35 // wxFrame-specific (i.e. not for wxDialog) styles
  36 //
  37 // Also see the bit summary table in wx/toplevel.h.
  38 #define wxFRAME_NO_TASKBAR      0x0002  // No taskbar button (MSW only)
  39 #define wxFRAME_TOOL_WINDOW     0x0004  // No taskbar button, no system menu
  40 #define wxFRAME_FLOAT_ON_PARENT 0x0008  // Always above its parent
  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 = wxSTB_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 wxUSE_MENUS || wxUSE_TOOLBAR
 173     // show help text for the currently selected menu or toolbar item
 174     // (typically in the status bar) or hide it and restore the status bar text
 175     // originally shown before the menu was opened if show == false
 176     virtual void DoGiveHelp(const wxString& text, bool show);
 177 #endif
 178
 179     virtual bool IsClientAreaChild(const wxWindow *child) const
 180     {
 181         return !IsOneOfBars(child) && wxTopLevelWindow::IsClientAreaChild(child);
 182     }
 183
 184 protected:
 185     // the frame main menu/status/tool bars
 186     // ------------------------------------
 187
 188     // this (non virtual!) function should be called from dtor to delete the
 189     // main menubar, statusbar and toolbar (if any)
 190     void DeleteAllBars();
 191
 192     // test whether this window makes part of the frame
 193     virtual bool IsOneOfBars(const wxWindow *win) const;
 194
 195 #if wxUSE_MENUS
 196     // override to update menu bar position when the frame size changes
 197     virtual void PositionMenuBar() { }
 198
 199     // override to do something special when the menu bar is being removed
 200     // from the frame
 201     virtual void DetachMenuBar();
 202
 203     // override to do something special when the menu bar is attached to the
 204     // frame
 205     virtual void AttachMenuBar(wxMenuBar *menubar);
 206
 207     // Return true if we should update the menu item state from idle event
 208     // handler or false if we should delay it until the menu is opened.
 209     static bool ShouldUpdateMenuFromIdle();
 210
 211     wxMenuBar *m_frameMenuBar;
 212 #endif // wxUSE_MENUS
 213
 214 #if wxUSE_STATUSBAR && (wxUSE_MENUS || wxUSE_TOOLBAR)
 215     // the saved status bar text overwritten by DoGiveHelp()
 216     wxString m_oldStatusText;
 217
 218     // the last help string we have shown in the status bar
 219     wxString m_lastHelpShown;
 220 #endif
 221
 222 #if wxUSE_STATUSBAR
 223     // override to update status bar position (or anything else) when
 224     // something changes
 225     virtual void PositionStatusBar() { }
 226
 227     // show the help string for the given menu item using DoGiveHelp() if the
 228     // given item does have a help string (as determined by FindInMenuBar()),
 229     // return false if there is no help for such item
 230     bool ShowMenuHelp(int helpid);
 231
 232     wxStatusBar *m_frameStatusBar;
 233 #endif // wxUSE_STATUSBAR
 234
 235
 236     int m_statusBarPane;
 237
 238 #if wxUSE_TOOLBAR
 239     // override to update status bar position (or anything else) when
 240     // something changes
 241     virtual void PositionToolBar() { }
 242
 243     wxToolBar *m_frameToolBar;
 244 #endif // wxUSE_TOOLBAR
 245
 246 #if wxUSE_MENUS && wxUSE_STATUSBAR
 247     DECLARE_EVENT_TABLE()
 248 #endif // wxUSE_MENUS && wxUSE_STATUSBAR
 249
 250     wxDECLARE_NO_COPY_CLASS(wxFrameBase);
 251 };
 252
 253 // include the real class declaration
 254 #if defined(__WXUNIVERSAL__) // && !defined(__WXMICROWIN__)
 255     #include "wx/univ/frame.h"
 256 #else // !__WXUNIVERSAL__
 257     #if defined(__WXMSW__)
 258         #include "wx/msw/frame.h"
 259     #elif defined(__WXGTK20__)
 260         #include "wx/gtk/frame.h"
 261     #elif defined(__WXGTK__)
 262         #include "wx/gtk1/frame.h"
 263     #elif defined(__WXMOTIF__)
 264         #include "wx/motif/frame.h"
 265     #elif defined(__WXMAC__)
 266         #include "wx/osx/frame.h"
 267     #elif defined(__WXCOCOA__)
 268         #include "wx/cocoa/frame.h"
 269     #elif defined(__WXPM__)
 270         #include "wx/os2/frame.h"
 271     #endif
 272 #endif
 273
 274 #endif
 275     // _WX_FRAME_H_BASE_