include/wx/msw/window.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        window.h
   3 // Purpose:     wxWindow class
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     01/02/97
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart and Markus Holzem
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifndef _WX_WINDOW_H_
  13 #define _WX_WINDOW_H_
  14
  15 // ---------------------------------------------------------------------------
  16 // headers
  17 // ---------------------------------------------------------------------------
  18
  19 #ifdef __GNUG__
  20     #pragma interface "window.h"
  21 #endif
  22
  23 // windows.h #defines the following identifiers which are also used in wxWin
  24 #ifdef GetCharWidth
  25     #undef GetCharWidth
  26 #endif
  27
  28 #ifdef FindWindow
  29     #undef FindWindow
  30 #endif
  31
  32 // ---------------------------------------------------------------------------
  33 // forward declarations
  34 // ---------------------------------------------------------------------------
  35
  36 class WXDLLEXPORT wxButton;
  37
  38 // ---------------------------------------------------------------------------
  39 // constants
  40 // ---------------------------------------------------------------------------
  41
  42 // FIXME does anybody use those? they're unused by wxWindows...
  43 enum
  44 {
  45     wxKEY_SHIFT = 1,
  46     wxKEY_CTRL  = 2
  47 };
  48
  49 // ---------------------------------------------------------------------------
  50 // wxWindow declaration for MSW
  51 // ---------------------------------------------------------------------------
  52 class WXDLLEXPORT wxWindow : public wxWindowBase
  53 {
  54     DECLARE_DYNAMIC_CLASS(wxWindow);
  55
  56 public:
  57     wxWindow() { Init(); }
  58
  59     wxWindow(wxWindow *parent,
  60              wxWindowID id,
  61              const wxPoint& pos = wxDefaultPosition,
  62              const wxSize& size = wxDefaultSize,
  63              long style = 0,
  64              const wxString& name = wxPanelNameStr)
  65     {
  66         Init();
  67         Create(parent, id, pos, size, style, name);
  68     }
  69
  70     virtual ~wxWindow();
  71
  72     bool Create(wxWindow *parent,
  73                 wxWindowID id,
  74                 const wxPoint& pos = wxDefaultPosition,
  75                 const wxSize& size = wxDefaultSize,
  76                 long style = 0,
  77                 const wxString& name = wxPanelNameStr);
  78
  79     // implement base class pure virtuals
  80     virtual void Raise();
  81     virtual void Lower();
  82
  83     virtual bool Show( bool show = TRUE );
  84     virtual bool Enable( bool enable = TRUE );
  85
  86     virtual void SetFocus();
  87
  88     virtual bool Reparent( wxWindow *newParent );
  89
  90     virtual void WarpPointer(int x, int y);
  91     virtual void CaptureMouse();
  92     virtual void ReleaseMouse();
  93
  94     virtual void Refresh( bool eraseBackground = TRUE,
  95                           const wxRect *rect = (const wxRect *) NULL );
  96     virtual void Clear();
  97
  98     virtual bool SetCursor( const wxCursor &cursor );
  99     virtual bool SetFont( const wxFont &font );
 100
 101     virtual int GetCharHeight() const;
 102     virtual int GetCharWidth() const;
 103     virtual void GetTextExtent(const wxString& string,
 104                                int *x, int *y,
 105                                int *descent = (int *) NULL,
 106                                int *externalLeading = (int *) NULL,
 107                                const wxFont *theFont = (const wxFont *) NULL)
 108                                const;
 109
 110     virtual void ClientToScreen( int *x, int *y ) const;
 111     virtual void ScreenToClient( int *x, int *y ) const;
 112
 113     virtual bool PopupMenu( wxMenu *menu, int x, int y );
 114
 115     virtual void SetScrollbar( int orient, int pos, int thumbVisible,
 116                                int range, bool refresh = TRUE );
 117     virtual void SetScrollPos( int orient, int pos, bool refresh = TRUE );
 118     virtual int GetScrollPos( int orient ) const;
 119     virtual int GetScrollThumb( int orient ) const;
 120     virtual int GetScrollRange( int orient ) const;
 121     virtual void ScrollWindow( int dx, int dy,
 122                                const wxRect* rect = (wxRect *) NULL );
 123
 124 #if wxUSE_DRAG_AND_DROP
 125     virtual void SetDropTarget( wxDropTarget *dropTarget );
 126 #endif // wxUSE_DRAG_AND_DROP
 127
 128     // Accept files for dragging
 129     virtual void DragAcceptFiles(bool accept);
 130
 131 #if WXWIN_COMPATIBILITY
 132     // Set/get scroll attributes
 133     virtual void SetScrollRange(int orient, int range, bool refresh = TRUE);
 134     virtual void SetScrollPage(int orient, int page, bool refresh = TRUE);
 135     virtual int OldGetScrollRange(int orient) const;
 136     virtual int GetScrollPage(int orient) const;
 137 #endif // WXWIN_COMPATIBILITY
 138
 139     // caret manipulation (MSW only)
 140     virtual void CreateCaret(int w, int h);
 141     virtual void CreateCaret(const wxBitmap *bitmap);
 142     virtual void DestroyCaret();
 143     virtual void ShowCaret(bool show);
 144     virtual void SetCaretPos(int x, int y);
 145     virtual void GetCaretPos(int *x, int *y) const;
 146
 147     // event handlers (FIXME: shouldn't they be inside WXWIN_COMPATIBILITY?)
 148         // Handle a control command
 149     virtual void OnCommand(wxWindow& win, wxCommandEvent& event);
 150
 151         // Override to define new behaviour for default action (e.g. double
 152         // clicking on a listbox)
 153     virtual void OnDefaultAction(wxControl *initiatingItem);
 154
 155     // Native resource loading (implemented in src/msw/nativdlg.cpp)
 156     // FIXME: should they really be all virtual?
 157     virtual bool LoadNativeDialog(wxWindow* parent, wxWindowID& id);
 158     virtual bool LoadNativeDialog(wxWindow* parent, const wxString& name);
 159     virtual wxWindow* GetWindowChild1(wxWindowID id);
 160     virtual wxWindow* GetWindowChild(wxWindowID id);
 161
 162     // implementation from now on
 163     // --------------------------
 164
 165     // simple accessors
 166     // ----------------
 167
 168     WXHWND GetHWND() const { return m_hWnd; }
 169     void SetHWND(WXHWND hWnd) { m_hWnd = hWnd; }
 170     virtual WXWidget GetHandle() const { return GetHWND(); }
 171
 172     bool GetUseCtl3D() const { return m_useCtl3D; }
 173     bool GetTransparentBackground() const { return m_backgroundTransparent; }
 174     void SetTransparent(bool t = TRUE) { m_backgroundTransparent = t; }
 175
 176     // event handlers
 177     // --------------
 178     void OnEraseBackground(wxEraseEvent& event);
 179     void OnKeyDown(wxKeyEvent& event);
 180     void OnKeyUp(wxKeyEvent& event);
 181     void OnPaint(wxPaintEvent& event);
 182     void OnChar(wxKeyEvent& event);
 183     void OnIdle(wxIdleEvent& event);
 184
 185     // a window may have a default button
 186     // TODO move into wxPanel and/or wxFrame
 187     wxButton *GetDefaultItem() const { return m_btnDefault; }
 188     void SetDefaultItem(wxButton *btn) { m_btnDefault = btn; }
 189
 190 public:
 191     // For implementation purposes - sometimes decorations make the client area
 192     // smaller
 193     virtual wxPoint GetClientAreaOrigin() const;
 194
 195     // Makes an adjustment to the window position (for example, a frame that has
 196     // a toolbar that it manages itself).
 197     virtual void AdjustForParentClientOrigin(int& x, int& y, int sizeFlags);
 198
 199     // Windows subclassing
 200     void SubclassWin(WXHWND hWnd);
 201     void UnsubclassWin();
 202     virtual long Default();
 203     virtual bool MSWCommand(WXUINT param, WXWORD id);
 204
 205     // returns TRUE if the event was processed
 206     virtual bool MSWNotify(WXWPARAM wParam, WXLPARAM lParam, WXLPARAM *result);
 207
 208     virtual wxWindow *FindItem(int id) const;
 209     virtual wxWindow *FindItemByHWND(WXHWND hWnd, bool controlOnly = FALSE) const ;
 210     virtual void PreDelete(WXHDC dc);              // Allows system cleanup
 211
 212     // Make a Windows extended style from the given wxWindows window style
 213     virtual WXDWORD MakeExtendedStyle(long style, bool eliminateBorders = TRUE);
 214     // Determine whether 3D effects are wanted
 215     virtual WXDWORD Determine3DEffects(WXDWORD defaultBorderStyle, bool *want3D);
 216
 217     // MSW only: TRUE if this control is part of the main control
 218     virtual bool ContainsHWND(WXHWND WXUNUSED(hWnd)) const { return FALSE; };
 219
 220     wxObject *GetChild(int number) const ;
 221
 222     void MSWCreate(int id, wxWindow *parent, const char *wclass, wxWindow *wx_win, const char *title,
 223             int x, int y, int width, int height,
 224             WXDWORD style, const char *dialog_template = NULL,
 225             WXDWORD exendedStyle = 0);
 226
 227     // Actually defined in wx_canvs.cc since requires wxCanvas declaration
 228     virtual void MSWDeviceToLogical(float *x, float *y) const ;
 229
 230     // Create an appropriate wxWindow from a HWND
 231     virtual wxWindow* CreateWindowFromHWND(wxWindow* parent, WXHWND hWnd);
 232
 233     // Make sure the window style reflects the HWND style (roughly)
 234     virtual void AdoptAttributesFromHWND();
 235
 236     // Setup background and foreground colours correctly
 237     virtual void SetupColours();
 238
 239     // Saves the last message information before calling base version
 240     virtual bool ProcessEvent(wxEvent& event);
 241
 242     // Handlers
 243     virtual void MSWOnCreate(WXLPCREATESTRUCT cs);
 244     virtual bool MSWOnPaint();
 245     virtual WXHICON MSWOnQueryDragIcon() { return 0; }
 246     virtual void MSWOnSize(int x, int y, WXUINT flag);
 247     virtual void MSWOnWindowPosChanging(void *lpPos);
 248     virtual void MSWOnHScroll(WXWORD nSBCode, WXWORD pos, WXHWND control);
 249     virtual void MSWOnVScroll(WXWORD nSBCode, WXWORD pos, WXHWND control);
 250     virtual bool MSWOnCommand(WXWORD id, WXWORD cmd, WXHWND control);
 251     virtual long MSWOnSysCommand(WXWPARAM wParam, WXLPARAM lParam);
 252     virtual long MSWOnNotify(WXWPARAM wParam, WXLPARAM lParam);
 253     virtual WXHBRUSH MSWOnCtlColor(WXHDC dc, WXHWND pWnd, WXUINT nCtlColor,
 254             WXUINT message, WXWPARAM wParam, WXLPARAM lParam);
 255     virtual bool MSWOnColorChange(WXHWND hWnd, WXUINT message, WXWPARAM wParam, WXLPARAM lParam);
 256     virtual long MSWOnPaletteChanged(WXHWND hWndPalChange);
 257     virtual long MSWOnQueryNewPalette();
 258     virtual bool MSWOnEraseBkgnd(WXHDC pDC);
 259     virtual void MSWOnMenuHighlight(WXWORD item, WXWORD flags, WXHMENU sysmenu);
 260     virtual void MSWOnInitMenuPopup(WXHMENU menu, int pos, bool isSystem);
 261     virtual bool MSWOnClose();
 262     // Return TRUE to end session, FALSE to veto end session.
 263     virtual bool MSWOnQueryEndSession(long logOff);
 264     virtual bool MSWOnEndSession(bool endSession, long logOff);
 265     virtual bool MSWOnDestroy();
 266     virtual bool MSWOnSetFocus(WXHWND wnd);
 267     virtual bool MSWOnKillFocus(WXHWND wnd);
 268     virtual void MSWOnDropFiles(WXWPARAM wParam);
 269     virtual bool MSWOnInitDialog(WXHWND hWndFocus);
 270     virtual void MSWOnShow(bool show, int status);
 271
 272     // TODO: rationalise these functions into 1 or 2 which take the
 273     // event type as argument.
 274     virtual void MSWOnLButtonDown(int x, int y, WXUINT flags);
 275     virtual void MSWOnLButtonUp(int x, int y, WXUINT flags);
 276     virtual void MSWOnLButtonDClick(int x, int y, WXUINT flags);
 277
 278     virtual void MSWOnMButtonDown(int x, int y, WXUINT flags);
 279     virtual void MSWOnMButtonUp(int x, int y, WXUINT flags);
 280     virtual void MSWOnMButtonDClick(int x, int y, WXUINT flags);
 281
 282     virtual void MSWOnRButtonDown(int x, int y, WXUINT flags);
 283     virtual void MSWOnRButtonUp(int x, int y, WXUINT flags);
 284     virtual void MSWOnRButtonDClick(int x, int y, WXUINT flags);
 285
 286     virtual void MSWOnMouseMove(int x, int y, WXUINT flags);
 287     virtual void MSWOnMouseEnter(int x, int y, WXUINT flags);
 288     virtual void MSWOnMouseLeave(int x, int y, WXUINT flags);
 289
 290     // These return TRUE if an event handler was found, FALSE otherwise (not processed)
 291     virtual bool MSWOnChar(WXWORD wParam, WXLPARAM lParam, bool isASCII = FALSE);
 292     virtual bool MSWOnKeyDown(WXWORD wParam, WXLPARAM lParam);
 293     virtual bool MSWOnKeyUp(WXWORD wParam, WXLPARAM lParam);
 294
 295     virtual bool MSWOnActivate(int flag, bool minimized, WXHWND activate);
 296     virtual long MSWOnMDIActivate(long flag, WXHWND activate, WXHWND deactivate);
 297
 298     virtual bool MSWOnDrawItem(int id, WXDRAWITEMSTRUCT *item);
 299     virtual bool MSWOnMeasureItem(int id, WXMEASUREITEMSTRUCT *item);
 300
 301     virtual void MSWOnJoyDown(int joystick, int x, int y, WXUINT flags);
 302     virtual void MSWOnJoyUp(int joystick, int x, int y, WXUINT flags);
 303     virtual void MSWOnJoyMove(int joystick, int x, int y, WXUINT flags);
 304     virtual void MSWOnJoyZMove(int joystick, int z, WXUINT flags);
 305
 306     virtual long MSWGetDlgCode();
 307
 308     // Window procedure
 309     virtual long MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam);
 310
 311     // Calls an appropriate default window procedure
 312     virtual long MSWDefWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam);
 313     virtual bool MSWProcessMessage(WXMSG* pMsg);
 314     virtual bool MSWTranslateMessage(WXMSG* pMsg);
 315     virtual void MSWDestroyWindow();
 316
 317     // Detach "Window" menu from menu bar so it doesn't get deleted
 318     void MSWDetachWindowMenu();
 319
 320     inline WXFARPROC MSWGetOldWndProc() const;
 321     inline void MSWSetOldWndProc(WXFARPROC proc);
 322
 323     // Define for each class of dialog and control
 324     virtual WXHBRUSH OnCtlColor(WXHDC pDC, WXHWND pWnd, WXUINT nCtlColor,
 325             WXUINT message, WXWPARAM wParam, WXLPARAM lParam);
 326
 327 #if WXWIN_COMPATIBILITY
 328     void SetShowing(bool show) { (void)Show(show); }
 329     bool IsUserEnabled() const { return IsEnabled(); }
 330 #endif // WXWIN_COMPATIBILITY
 331
 332     // Responds to colour changes: passes event on to children.
 333     void OnSysColourChanged(wxSysColourChangedEvent& event);
 334
 335     // remember the parameters of the last message
 336     void PushLastMessage(WXUINT msg, WXWPARAM wParam, WXLPARAM lParam)
 337     {
 338         m_lastMsg = msg;
 339         m_lastWParam = wParam;
 340         m_lastLParam = lParam;
 341     }
 342
 343 protected:
 344     // the window handle
 345     WXHWND                m_hWnd;
 346
 347     // the old window proc (we subclass all windows)
 348     WXFARPROC             m_oldWndProc;
 349
 350     // additional (MSW specific) flags
 351     bool                  m_useCtl3D:1; // Using CTL3D for this control
 352     bool                  m_inOnSize:1; // Protection against OnSize reentry
 353     bool                  m_backgroundTransparent:1;
 354     bool                  m_mouseInWindow:1;
 355     bool                  m_doubleClickAllowed:1;
 356     bool                  m_winCaptured:1;
 357
 358     // Caret data
 359     bool                  m_caretEnabled:1;
 360     bool                  m_caretShown:1;
 361     int                   m_caretWidth;
 362     int                   m_caretHeight;
 363
 364     // the size of one page for scrolling
 365     int                   m_xThumbSize;
 366     int                   m_yThumbSize;
 367
 368     // the coordinates of the last mouse event and the typoe of it
 369     long                  m_lastMouseX,
 370                           m_lastMouseY;
 371     int                   m_lastMouseEvent;
 372
 373     // the parameters of the last message used in Default()
 374     WXUINT                m_lastMsg;
 375     WXWPARAM              m_lastWParam;
 376     WXLPARAM              m_lastLParam;
 377
 378     WXHMENU               m_hMenu; // Menu, if any
 379
 380     wxButton             *m_btnDefault;
 381
 382     // implement the base class pure virtuals
 383     virtual void DoGetPosition( int *x, int *y ) const;
 384     virtual void DoGetSize( int *width, int *height ) const;
 385     virtual void DoGetClientSize( int *width, int *height ) const;
 386     virtual void DoSetSize(int x, int y,
 387                            int width, int height,
 388                            int sizeFlags = wxSIZE_AUTO);
 389     virtual void DoSetClientSize(int width, int height);
 390
 391 #if wxUSE_TOOLTIPS
 392     virtual void DoSetToolTip( wxToolTip *tip );
 393 #endif // wxUSE_TOOLTIPS
 394
 395 private:
 396     // common part of all ctors
 397     void Init();
 398
 399     DECLARE_EVENT_TABLE()
 400 };
 401
 402 // ---------------------------------------------------------------------------
 403 // global functions
 404 // ---------------------------------------------------------------------------
 405
 406 // kbd code translation
 407 WXDLLEXPORT int wxCharCodeMSWToWX(int keySym);
 408 WXDLLEXPORT int wxCharCodeWXToMSW(int id, bool *IsVirtual);
 409
 410 #endif
 411     // _WX_WINDOW_H_