include/wx/toplevel.h

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        wx/toplevel.h
   3 // Purpose:     declares wxTopLevelWindow class, the base class for all
   4 //              top level windows (such as frames and dialogs)
   5 // Author:      Vadim Zeitlin, Vaclav Slavik
   6 // Modified by:
   7 // Created:     06.08.01
   8 // RCS-ID:      $Id$
   9 // Copyright:   (c) 2001 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
  10 //                       Vaclav Slavik <vaclav@wxwidgets.org>
  11 // Licence:     wxWindows licence
  12 ///////////////////////////////////////////////////////////////////////////////
  13
  14 #ifndef _WX_TOPLEVEL_BASE_H_
  15 #define _WX_TOPLEVEL_BASE_H_
  16
  17 // ----------------------------------------------------------------------------
  18 // headers
  19 // ----------------------------------------------------------------------------
  20
  21 #include "wx/window.h"
  22 #include "wx/iconbndl.h"
  23
  24 // the default names for various classes
  25 extern WXDLLEXPORT_DATA(const wxChar) wxFrameNameStr[];
  26
  27 class WXDLLEXPORT wxTopLevelWindowBase;
  28
  29 // ----------------------------------------------------------------------------
  30 // constants
  31 // ----------------------------------------------------------------------------
  32
  33 // style common to both wxFrame and wxDialog
  34 #define wxSTAY_ON_TOP           0x8000
  35 #define wxICONIZE               0x4000
  36 #define wxMINIMIZE              wxICONIZE
  37 #define wxMAXIMIZE              0x2000
  38 #define wxCLOSE_BOX             0x1000
  39
  40 #define wxSYSTEM_MENU           0x0800
  41 #define wxMINIMIZE_BOX          0x0400
  42 #define wxMAXIMIZE_BOX          0x0200
  43 #define wxTINY_CAPTION_HORIZ    0x0100
  44 #define wxTINY_CAPTION_VERT     0x0080
  45 #define wxRESIZE_BORDER         0x0040
  46
  47 // deprecated versions defined for compatibility reasons
  48 #define wxRESIZE_BOX            wxMAXIMIZE_BOX
  49 #define wxTHICK_FRAME           wxRESIZE_BORDER
  50
  51 // obsolete styles, unused any more
  52 #define wxDIALOG_MODAL          0
  53 #define wxDIALOG_MODELESS       0
  54 #define wxNO_3D                 0
  55 #define wxUSER_COLOURS          0
  56
  57 // default style
  58 //
  59 // under Windows CE (at least when compiling with eVC 4) we should create
  60 // top level windows without any styles at all for them to appear
  61 // "correctly", i.e. as full screen windows with a "hide" button (same as
  62 // "close" but round instead of squared and just hides the applications
  63 // instead of closing it) in the title bar
  64 #if defined(__WXWINCE__)
  65     #if defined(__SMARTPHONE__)
  66         #define wxDEFAULT_FRAME_STYLE (wxMAXIMIZE)
  67     #elif defined(__WINCE_STANDARDSDK__)
  68         #define wxDEFAULT_FRAME_STYLE (wxMAXIMIZE|wxCLOSE_BOX)
  69     #else
  70         #define wxDEFAULT_FRAME_STYLE (wxNO_BORDER)
  71     #endif
  72 #else // !__WXWINCE__
  73     #define wxDEFAULT_FRAME_STYLE \
  74             (wxSYSTEM_MENU | \
  75              wxRESIZE_BORDER | \
  76              wxMINIMIZE_BOX | \
  77              wxMAXIMIZE_BOX | \
  78              wxCLOSE_BOX | \
  79              wxCAPTION | \
  80              wxCLIP_CHILDREN)
  81 #endif
  82
  83
  84 // Dialogs are created in a special way
  85 #define wxTOPLEVEL_EX_DIALOG        0x00000008
  86
  87 // Styles for ShowFullScreen
  88 // (note that wxTopLevelWindow only handles wxFULLSCREEN_NOBORDER and
  89 //  wxFULLSCREEN_NOCAPTION; the rest is handled by wxTopLevelWindow)
  90 enum
  91 {
  92     wxFULLSCREEN_NOMENUBAR   = 0x0001,
  93     wxFULLSCREEN_NOTOOLBAR   = 0x0002,
  94     wxFULLSCREEN_NOSTATUSBAR = 0x0004,
  95     wxFULLSCREEN_NOBORDER    = 0x0008,
  96     wxFULLSCREEN_NOCAPTION   = 0x0010,
  97
  98     wxFULLSCREEN_ALL         = wxFULLSCREEN_NOMENUBAR | wxFULLSCREEN_NOTOOLBAR |
  99                                wxFULLSCREEN_NOSTATUSBAR | wxFULLSCREEN_NOBORDER |
 100                                wxFULLSCREEN_NOCAPTION
 101 };
 102
 103 // Styles for RequestUserAttention
 104 enum
 105 {
 106     wxUSER_ATTENTION_INFO = 1,
 107     wxUSER_ATTENTION_ERROR = 2
 108 };
 109
 110 // ----------------------------------------------------------------------------
 111 // wxTopLevelWindow: a top level (as opposed to child) window
 112 // ----------------------------------------------------------------------------
 113
 114 class WXDLLEXPORT wxTopLevelWindowBase : public wxWindow
 115 {
 116 public:
 117     // construction
 118     wxTopLevelWindowBase();
 119     virtual ~wxTopLevelWindowBase();
 120
 121     // top level wnd state
 122     // --------------------
 123
 124     // maximize = true => maximize, otherwise - restore
 125     virtual void Maximize(bool maximize = true) = 0;
 126
 127     // undo Maximize() or Iconize()
 128     virtual void Restore() = 0;
 129
 130     // iconize = true => iconize, otherwise - restore
 131     virtual void Iconize(bool iconize = true) = 0;
 132
 133     // return true if the frame is maximized
 134     virtual bool IsMaximized() const = 0;
 135
 136     // return true if the frame is iconized
 137     virtual bool IsIconized() const = 0;
 138
 139     // get the frame icon
 140     const wxIcon& GetIcon() const { return m_icons.GetIcon( -1 ); }
 141
 142     // get the frame icons
 143     const wxIconBundle& GetIcons() const { return m_icons; }
 144
 145     // set the frame icon
 146     virtual void SetIcon(const wxIcon& icon) { m_icons = wxIconBundle( icon ); }
 147
 148     // set the frame icons
 149     virtual void SetIcons(const wxIconBundle& icons ) { m_icons = icons; }
 150
 151     // maximize the window to cover entire screen
 152     virtual bool ShowFullScreen(bool show, long style = wxFULLSCREEN_ALL) = 0;
 153
 154     // return true if the frame is in fullscreen mode
 155     virtual bool IsFullScreen() const = 0;
 156
 157     // the title of the top level window: the text which the
 158     // window shows usually at the top of the frame/dialog in dedicated bar
 159     virtual void SetTitle(const wxString& title) = 0;
 160     virtual wxString GetTitle() const = 0;
 161
 162     // Set the shape of the window to the given region.
 163     // Returns true if the platform supports this feature (and the
 164     // operation is successful.)
 165     virtual bool SetShape(const wxRegion& WXUNUSED(region)) { return false; }
 166
 167     // Attracts the users attention to this window if the application is
 168     // inactive (should be called when a background event occurs)
 169     virtual void RequestUserAttention(int flags = wxUSER_ATTENTION_INFO);
 170
 171     // Is this the active frame (highlighted in the taskbar)?
 172     virtual bool IsActive()
 173         { return (wxGetTopLevelParent(FindFocus()) == this); }
 174
 175 #if defined(__SMARTPHONE__)
 176     virtual void SetLeftMenu(int id = wxID_ANY, const wxString& label = wxEmptyString, wxMenu *subMenu = NULL) = 0;
 177     virtual void SetRightMenu(int id = wxID_ANY, const wxString& label = wxEmptyString, wxMenu *subMenu = NULL) = 0;
 178 #endif // __SMARTPHONE__
 179
 180     // centre the window on screen: this is just a shortcut
 181     void CentreOnScreen(int dir = wxBOTH) { DoCentre(dir | wxCENTRE_ON_SCREEN); }
 182     void CenterOnScreen(int dir = wxBOTH) { CentreOnScreen(dir); }
 183
 184
 185     // implementation only from now on
 186     // -------------------------------
 187
 188     // override some base class virtuals
 189     virtual bool Destroy();
 190     virtual bool IsTopLevel() const { return true; }
 191     virtual wxSize GetMaxSize() const;
 192
 193     // event handlers
 194     void OnCloseWindow(wxCloseEvent& event);
 195     void OnSize(wxSizeEvent& WXUNUSED(event)) { DoLayout(); }
 196
 197     // Get rect to be used to center top-level children
 198     virtual void GetRectForTopLevelChildren(int *x, int *y, int *w, int *h);
 199
 200     // this should go away, but for now it's called from docview.cpp,
 201     // so should be there for all platforms
 202     void OnActivate(wxActivateEvent &WXUNUSED(event)) { }
 203
 204     // do the window-specific processing after processing the update event
 205     virtual void DoUpdateWindowUI(wxUpdateUIEvent& event) ;
 206
 207 protected:
 208     // the frame client to screen translation should take account of the
 209     // toolbar which may shift the origin of the client area
 210     virtual void DoClientToScreen(int *x, int *y) const;
 211     virtual void DoScreenToClient(int *x, int *y) const;
 212
 213     // add support for wxCENTRE_ON_SCREEN
 214     virtual void DoCentre(int dir);
 215
 216     // no need to do client to screen translation to get our position in screen
 217     // coordinates: this is already the case
 218     virtual void DoGetScreenPosition(int *x, int *y) const
 219     {
 220         DoGetPosition(x, y);
 221     }
 222
 223     // test whether this window makes part of the frame
 224     // (menubar, toolbar and statusbar are excluded from automatic layout)
 225     virtual bool IsOneOfBars(const wxWindow *WXUNUSED(win)) const
 226         { return false; }
 227
 228     // check if we should exit the program after deleting this top level
 229     // window (this is used in common dtor and wxMSW code)
 230     bool IsLastBeforeExit() const;
 231
 232     // send the iconize event, return true if processed
 233     bool SendIconizeEvent(bool iconized = true);
 234
 235     // do TLW-specific layout: we resize our unique child to fill the entire
 236     // client area
 237     void DoLayout();
 238
 239     // Get the default size for the new window if no explicit size given. If
 240     // there are better default sizes then these can be changed, just as long
 241     // as they are not too small for TLWs (and not larger than screen).
 242     static wxSize GetDefaultSize();
 243     static int WidthDefault(int w) { return w == wxDefaultCoord ? GetDefaultSize().x : w; }
 244     static int HeightDefault(int h) { return h == wxDefaultCoord ? GetDefaultSize().y : h; }
 245
 246     // the frame icon
 247     wxIconBundle m_icons;
 248
 249     DECLARE_NO_COPY_CLASS(wxTopLevelWindowBase)
 250     DECLARE_EVENT_TABLE()
 251 };
 252
 253
 254 // include the real class declaration
 255 #if defined(__WXPALMOS__)
 256     #include "wx/palmos/toplevel.h"
 257     #define wxTopLevelWindowNative wxTopLevelWindowPalm
 258 #elif defined(__WXMSW__)
 259     #include "wx/msw/toplevel.h"
 260     #define wxTopLevelWindowNative wxTopLevelWindowMSW
 261 #elif defined(__WXGTK20__)
 262     #include "wx/gtk/toplevel.h"
 263     #define wxTopLevelWindowNative wxTopLevelWindowGTK
 264 #elif defined(__WXGTK__)
 265     #include "wx/gtk1/toplevel.h"
 266     #define wxTopLevelWindowNative wxTopLevelWindowGTK
 267 #elif defined(__WXX11__)
 268     #include "wx/x11/toplevel.h"
 269     #define wxTopLevelWindowNative wxTopLevelWindowX11
 270 #elif defined(__WXMGL__)
 271     #include "wx/mgl/toplevel.h"
 272     #define wxTopLevelWindowNative wxTopLevelWindowMGL
 273 #elif defined(__WXMAC__)
 274     #include "wx/mac/toplevel.h"
 275     #define wxTopLevelWindowNative wxTopLevelWindowMac
 276 #elif defined(__WXCOCOA__)
 277     #include "wx/cocoa/toplevel.h"
 278     #define wxTopLevelWindowNative wxTopLevelWindowCocoa
 279 #elif defined(__WXPM__)
 280     #include "wx/os2/toplevel.h"
 281     #define wxTopLevelWindowNative wxTopLevelWindowOS2
 282 #elif defined(__WXMOTIF__)
 283     #include "wx/motif/toplevel.h"
 284     #define wxTopLevelWindowNative wxTopLevelWindowMotif
 285 #endif
 286
 287 #ifdef __WXUNIVERSAL__
 288     #include "wx/univ/toplevel.h"
 289 #else // !__WXUNIVERSAL__
 290     #ifdef wxTopLevelWindowNative
 291         class WXDLLEXPORT wxTopLevelWindow : public wxTopLevelWindowNative
 292         {
 293         public:
 294             // construction
 295             wxTopLevelWindow() { Init(); }
 296             wxTopLevelWindow(wxWindow *parent,
 297                        wxWindowID winid,
 298                        const wxString& title,
 299                        const wxPoint& pos = wxDefaultPosition,
 300                        const wxSize& size = wxDefaultSize,
 301                        long style = wxDEFAULT_FRAME_STYLE,
 302                        const wxString& name = wxFrameNameStr)
 303             {
 304                 Init();
 305                 Create(parent, winid, title, pos, size, style, name);
 306             }
 307
 308             DECLARE_DYNAMIC_CLASS_NO_COPY(wxTopLevelWindow)
 309         };
 310     #endif // wxTopLevelWindowNative
 311 #endif // __WXUNIVERSAL__/!__WXUNIVERSAL__
 312
 313
 314 #endif // _WX_TOPLEVEL_BASE_H_