include/wx/msw/toplevel.h

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        wx/msw/toplevel.h
   3 // Purpose:     wxTopLevelWindowMSW is the MSW implementation of wxTLW
   4 // Author:      Vadim Zeitlin
   5 // Modified by:
   6 // Created:     20.09.01
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) 2001 SciTech Software, Inc. (www.scitechsoft.com)
   9 // Licence:     wxWindows licence
  10 ///////////////////////////////////////////////////////////////////////////////
  11
  12 #ifndef _WX_MSW_TOPLEVEL_H_
  13 #define _WX_MSW_TOPLEVEL_H_
  14
  15 // ----------------------------------------------------------------------------
  16 // wxTopLevelWindowMSW
  17 // ----------------------------------------------------------------------------
  18
  19 class WXDLLIMPEXP_CORE wxTopLevelWindowMSW : public wxTopLevelWindowBase
  20 {
  21 public:
  22     // constructors and such
  23     wxTopLevelWindowMSW() { Init(); }
  24
  25     wxTopLevelWindowMSW(wxWindow *parent,
  26                         wxWindowID id,
  27                         const wxString& title,
  28                         const wxPoint& pos = wxDefaultPosition,
  29                         const wxSize& size = wxDefaultSize,
  30                         long style = wxDEFAULT_FRAME_STYLE,
  31                         const wxString& name = wxFrameNameStr)
  32     {
  33         Init();
  34
  35         (void)Create(parent, id, title, pos, size, style, name);
  36     }
  37
  38     bool Create(wxWindow *parent,
  39                 wxWindowID id,
  40                 const wxString& title,
  41                 const wxPoint& pos = wxDefaultPosition,
  42                 const wxSize& size = wxDefaultSize,
  43                 long style = wxDEFAULT_FRAME_STYLE,
  44                 const wxString& name = wxFrameNameStr);
  45
  46     virtual ~wxTopLevelWindowMSW();
  47
  48     // implement base class pure virtuals
  49     virtual void SetTitle( const wxString& title);
  50     virtual wxString GetTitle() const;
  51     virtual void Maximize(bool maximize = true);
  52     virtual bool IsMaximized() const;
  53     virtual void Iconize(bool iconize = true);
  54     virtual bool IsIconized() const;
  55     virtual void SetIcons(const wxIconBundle& icons );
  56     virtual void Restore();
  57
  58     virtual void SetLayoutDirection(wxLayoutDirection dir);
  59
  60     virtual void RequestUserAttention(int flags = wxUSER_ATTENTION_INFO);
  61
  62     virtual bool Show(bool show = true);
  63     virtual void Raise();
  64
  65     virtual void ShowWithoutActivating();
  66     virtual bool ShowFullScreen(bool show, long style = wxFULLSCREEN_ALL);
  67     virtual bool IsFullScreen() const { return m_fsIsShowing; }
  68
  69     // wxMSW only: EnableCloseButton(false) may be used to remove the "Close"
  70     // button from the title bar
  71     virtual bool EnableCloseButton(bool enable = true);
  72
  73     // Set window transparency if the platform supports it
  74     virtual bool SetTransparent(wxByte alpha);
  75     virtual bool CanSetTransparent();
  76
  77
  78     // MSW-specific methods
  79     // --------------------
  80
  81     // Return the menu representing the "system" menu of the window. You can
  82     // call wxMenu::AppendWhatever() methods on it but removing items from it
  83     // is in general not a good idea.
  84     //
  85     // The pointer returned by this method belongs to the window and will be
  86     // deleted when the window itself is, do not delete it yourself. May return
  87     // NULL if getting the system menu failed.
  88     wxMenu *MSWGetSystemMenu() const;
  89
  90
  91     // implementation from now on
  92     // --------------------------
  93
  94     // event handlers
  95     void OnActivate(wxActivateEvent& event);
  96
  97     // called by wxWindow whenever it gets focus
  98     void SetLastFocus(wxWindow *win) { m_winLastFocused = win; }
  99     wxWindow *GetLastFocus() const { return m_winLastFocused; }
 100
 101 #if defined(__SMARTPHONE__) && defined(__WXWINCE__)
 102     virtual void SetLeftMenu(int id = wxID_ANY, const wxString& label = wxEmptyString, wxMenu *subMenu = NULL);
 103     virtual void SetRightMenu(int id = wxID_ANY, const wxString& label = wxEmptyString, wxMenu *subMenu = NULL);
 104     bool HandleCommand(WXWORD id, WXWORD cmd, WXHWND control);
 105     virtual bool MSWShouldPreProcessMessage(WXMSG* pMsg);
 106 #endif // __SMARTPHONE__ && __WXWINCE__
 107
 108 #if defined(__SMARTPHONE__) || defined(__POCKETPC__)
 109     // Soft Input Panel (SIP) change notification
 110     virtual bool HandleSettingChange(WXWPARAM wParam, WXLPARAM lParam);
 111 #endif
 112
 113     // translate wxWidgets flags to Windows ones
 114     virtual WXDWORD MSWGetStyle(long flags, WXDWORD *exstyle) const;
 115
 116     // choose the right parent to use with CreateWindow()
 117     virtual WXHWND MSWGetParent() const;
 118
 119     // window proc for the frames
 120     WXLRESULT MSWWindowProc(WXUINT message, WXWPARAM wParam, WXLPARAM lParam);
 121
 122     // returns true if the platform should explicitly apply a theme border
 123     virtual bool CanApplyThemeBorder() const { return false; }
 124
 125 #if wxUSE_MENUS
 126     bool HandleMenuSelect(WXWORD nItem, WXWORD nFlags, WXHMENU hMenu);
 127
 128     // handle WM_EXITMENULOOP message for Win95 only
 129     bool HandleExitMenuLoop(WXWORD isPopup);
 130
 131     // handle WM_(UN)INITMENUPOPUP message to generate wxEVT_MENU_OPEN/CLOSE
 132     bool HandleMenuPopup(wxEventType evtType, WXHMENU hMenu);
 133
 134     // Command part of HandleMenuPopup() and HandleExitMenuLoop().
 135     bool DoSendMenuOpenCloseEvent(wxEventType evtType, wxMenu* menu, bool popup);
 136
 137     // Find the menu corresponding to the given handle.
 138     virtual wxMenu* MSWFindMenuFromHMENU(WXHMENU hMenu);
 139 #endif // wxUSE_MENUS
 140
 141 protected:
 142     // common part of all ctors
 143     void Init();
 144
 145     // create a new frame, return false if it couldn't be created
 146     bool CreateFrame(const wxString& title,
 147                      const wxPoint& pos,
 148                      const wxSize& size);
 149
 150     // create a new dialog using the given dialog template from resources,
 151     // return false if it couldn't be created
 152     bool CreateDialog(const void *dlgTemplate,
 153                       const wxString& title,
 154                       const wxPoint& pos,
 155                       const wxSize& size);
 156
 157     // common part of Iconize(), Maximize() and Restore()
 158     void DoShowWindow(int nShowCmd);
 159
 160     // override those to return the normal window coordinates even when the
 161     // window is minimized
 162 #ifndef __WXWINCE__
 163     virtual void DoGetPosition(int *x, int *y) const;
 164     virtual void DoGetSize(int *width, int *height) const;
 165 #endif // __WXWINCE__
 166
 167     // Top level windows have different freeze semantics on Windows
 168     virtual void DoFreeze();
 169     virtual void DoThaw();
 170
 171     // helper of SetIcons(): calls gets the icon with the size specified by the
 172     // given system metrics (SM_C{X|Y}[SM]ICON) from the bundle and sets it
 173     // using WM_SETICON with the specified wParam (ICOM_SMALL or ICON_BIG);
 174     // returns true if the icon was set
 175     bool DoSelectAndSetIcon(const wxIconBundle& icons, int smX, int smY, int i);
 176
 177     // override wxWindow virtual method to use CW_USEDEFAULT if necessary
 178     virtual void MSWGetCreateWindowCoords(const wxPoint& pos,
 179                                           const wxSize& size,
 180                                           int& x, int& y,
 181                                           int& w, int& h) const;
 182
 183
 184     // is the window currently iconized?
 185     bool m_iconized;
 186
 187     // should the frame be maximized when it will be shown? set by Maximize()
 188     // when it is called while the frame is hidden
 189     bool m_maximizeOnShow;
 190
 191     // Data to save/restore when calling ShowFullScreen
 192     long                  m_fsStyle; // Passed to ShowFullScreen
 193     wxRect                m_fsOldSize;
 194     long                  m_fsOldWindowStyle;
 195     bool                  m_fsIsMaximized;
 196     bool                  m_fsIsShowing;
 197
 198     // Save the current focus to m_winLastFocused if we're not iconized (the
 199     // focus is always NULL when we're iconized).
 200     void DoSaveLastFocus();
 201
 202     // Restore focus to m_winLastFocused if possible and needed.
 203     void DoRestoreLastFocus();
 204
 205     // The last focused child: we remember it when we're deactivated and
 206     // restore focus to it when we're activated (this is done here) or restored
 207     // from iconic state (done by wxFrame).
 208     wxWindow             *m_winLastFocused;
 209
 210 #if defined(__SMARTPHONE__) && defined(__WXWINCE__)
 211     class ButtonMenu
 212     {
 213     public:
 214         ButtonMenu();
 215         ~ButtonMenu();
 216
 217         void SetButton(int id = wxID_ANY,
 218                        const wxString& label  = wxEmptyString,
 219                        wxMenu *subMenu = NULL);
 220
 221         bool IsAssigned() const {return m_assigned;}
 222         bool IsMenu() const {return m_menu!=NULL;}
 223
 224         int GetId() const {return m_id;}
 225         wxMenu* GetMenu() const {return m_menu;}
 226         wxString GetLabel() {return m_label;}
 227
 228         static wxMenu *DuplicateMenu(wxMenu *menu);
 229
 230     protected:
 231         int      m_id;
 232         wxString m_label;
 233         wxMenu  *m_menu;
 234         bool     m_assigned;
 235     };
 236
 237     ButtonMenu               m_LeftButton;
 238     ButtonMenu               m_RightButton;
 239     HWND                     m_MenuBarHWND;
 240
 241     void ReloadButton(ButtonMenu& button, UINT menuID);
 242     void ReloadAllButtons();
 243 #endif // __SMARTPHONE__ && __WXWINCE__
 244
 245 private:
 246
 247 #if defined(__SMARTPHONE__) || defined(__POCKETPC__)
 248     void* m_activateInfo;
 249 #endif
 250
 251     // The system menu: initially NULL but can be set (once) by
 252     // MSWGetSystemMenu(). Owned by this window.
 253     wxMenu *m_menuSystem;
 254
 255     // The number of currently opened menus: 0 initially, 1 when a top level
 256     // menu is opened, 2 when its submenu is opened and so on.
 257     int m_menuDepth;
 258
 259     DECLARE_EVENT_TABLE()
 260     wxDECLARE_NO_COPY_CLASS(wxTopLevelWindowMSW);
 261 };
 262
 263 #endif // _WX_MSW_TOPLEVEL_H_