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 #ifdef __GNUG__
  16 #pragma interface "window.h"
  17 #endif
  18
  19 #include "wx/gdicmn.h"
  20 #include "wx/icon.h"
  21 #include "wx/cursor.h"
  22 #include "wx/pen.h"
  23 #include "wx/font.h"
  24 #include "wx/validate.h"
  25 #include "wx/event.h"
  26 #include "wx/string.h"
  27 #include "wx/list.h"
  28 #include "wx/region.h"
  29 #include "wx/msw/accel.h"
  30
  31 #define wxKEY_SHIFT     1
  32 #define wxKEY_CTRL      2
  33
  34 /*
  35  * Base class for frame, panel, canvas, panel items, dialog box.
  36  *
  37  */
  38
  39 /*
  40  * Event handler: windows have themselves as their event handlers
  41  * by default, but their event handlers could be set to another
  42  * object entirely. This separation can reduce the amount of
  43  * derivation required, and allow alteration of a window's functionality
  44  * (e.g. by a resource editor that temporarily switches event handlers).
  45  */
  46
  47 class WXDLLEXPORT wxWindow;
  48 class WXDLLEXPORT wxEvent;
  49 class WXDLLEXPORT wxCommandEvent;
  50 class WXDLLEXPORT wxKeyEvent;
  51 class WXDLLEXPORT wxControl;
  52 class WXDLLEXPORT wxCursor;
  53 class WXDLLEXPORT wxColourMap;
  54 class WXDLLEXPORT wxFont;
  55 class WXDLLEXPORT wxMenu;
  56 class WXDLLEXPORT wxRect;
  57 class WXDLLEXPORT wxBitmap;
  58 class WXDLLEXPORT wxSizer;
  59 class WXDLLEXPORT wxList;
  60 class WXDLLEXPORT wxLayoutConstraints;
  61 class WXDLLEXPORT wxMouseEvent;
  62 class WXDLLEXPORT wxButton;
  63 class WXDLLEXPORT wxColour;
  64 class WXDLLEXPORT wxBrush;
  65 class WXDLLEXPORT wxPen;
  66 class WXDLLEXPORT wxIcon;
  67 class WXDLLEXPORT wxDC;
  68 class WXDLLEXPORT wxValidator;
  69
  70 #if wxUSE_DRAG_AND_DROP
  71 class WXDLLEXPORT wxDropTarget;
  72 #endif
  73
  74 #if wxUSE_WX_RESOURCES
  75 class WXDLLEXPORT wxResourceTable;
  76 class WXDLLEXPORT wxItemResource;
  77 #endif
  78
  79 WXDLLEXPORT_DATA(extern const char*) wxPanelNameStr;
  80
  81 WXDLLEXPORT_DATA(extern const wxSize) wxDefaultSize;
  82 WXDLLEXPORT_DATA(extern const wxPoint) wxDefaultPosition;
  83
  84 //-----------------------------------------------------------------------------
  85 // wxClientData
  86 //-----------------------------------------------------------------------------
  87
  88 class wxClientData
  89 {
  90 public:
  91     wxClientData() { }
  92     virtual ~wxClientData() { }
  93 };
  94
  95 //-----------------------------------------------------------------------------
  96 // wxStringClientData
  97 //-----------------------------------------------------------------------------
  98
  99 class wxStringClientData: public wxClientData
 100 {
 101 public:
 102     wxStringClientData() { }
 103     wxStringClientData( wxString &data ) { m_data = data; }
 104     void SetData( wxString &data ) { m_data = data; }
 105     wxString GetData() const { return m_data; }
 106
 107 private:
 108     wxString  m_data;
 109 };
 110
 111 class WXDLLEXPORT wxWindow : public wxEvtHandler
 112 {
 113   DECLARE_ABSTRACT_CLASS(wxWindow)
 114
 115   friend class wxDC;
 116   friend class wxPaintDC;
 117
 118 public:
 119   wxWindow();
 120   wxWindow(wxWindow *parent, wxWindowID id,
 121            const wxPoint& pos = wxDefaultPosition,
 122            const wxSize& size = wxDefaultSize,
 123            long style = 0,
 124            const wxString& name = wxPanelNameStr)
 125   {
 126       Init();
 127       Create(parent, id, pos, size, style, name);
 128   }
 129
 130   virtual ~wxWindow();
 131
 132   bool Create(wxWindow *parent, wxWindowID id,
 133            const wxPoint& pos = wxDefaultPosition,
 134            const wxSize& size = wxDefaultSize,
 135            long style = 0,
 136            const wxString& name = wxPanelNameStr);
 137
 138   // Fit the window around the items
 139   virtual void Fit();
 140
 141   // Show or hide the window
 142   virtual bool Show(bool show);
 143
 144   // Is the window shown?
 145   virtual bool IsShown() const;
 146
 147   // Raise the window to the top of the Z order
 148   virtual void Raise();
 149
 150   // Lower the window to the bottom of the Z order
 151   virtual void Lower();
 152
 153   // Is the window enabled?
 154   virtual bool IsEnabled() const;
 155
 156   // For compatibility
 157   inline bool Enabled() const { return IsEnabled(); }
 158
 159   // Dialog support: override these and call
 160   // base class members to add functionality
 161   // that can't be done using validators.
 162
 163   // Transfer values to controls. If returns FALSE,
 164   // it's an application error (pops up a dialog)
 165   virtual bool TransferDataToWindow();
 166
 167   // Transfer values from controls. If returns FALSE,
 168   // transfer failed: don't quit
 169   virtual bool TransferDataFromWindow();
 170
 171   // Validate controls. If returns FALSE,
 172   // validation failed: don't quit
 173   virtual bool Validate();
 174
 175   // Return code for dialogs
 176   inline void SetReturnCode(int retCode);
 177   inline int GetReturnCode();
 178
 179   // Set the cursor
 180   virtual void SetCursor(const wxCursor& cursor);
 181   inline virtual wxCursor& GetCursor() const { return (wxCursor& ) m_windowCursor; };
 182
 183   // Get the window with the focus
 184   static wxWindow *FindFocus();
 185
 186   // Get character size
 187   virtual int GetCharHeight() const;
 188   virtual int GetCharWidth() const;
 189
 190   // Get overall window size
 191   virtual void GetSize(int *width, int *height) const;
 192   wxSize GetSize() const { int w, h; GetSize(& w, & h); return wxSize(w, h); }
 193
 194   // Get window position, relative to parent (or screen if no parent)
 195   virtual void GetPosition(int *x, int *y) const;
 196   wxPoint GetPosition() const
 197     { int x, y; GetPosition(&x, &y); return wxPoint(x, y); }
 198
 199   // Get size and position
 200   wxRect GetRect() const
 201     { int x, y, w, h; GetPosition(& x, & y); GetSize(& w, & h); return wxRect(x, y, w, h); }
 202
 203   // Get client (application-useable) size
 204   virtual void GetClientSize(int *width, int *height) const;
 205   wxSize GetClientSize() const { int w, h; GetClientSize(& w, & h); return wxSize(w, h); }
 206
 207   // Set overall size and position
 208     // generic function, may be overriden in derived classes
 209   virtual void SetSize(int x, int y, int width, int height, int sizeFlags = wxSIZE_AUTO);
 210
 211   void SetSize(const wxRect& rect, int sizeFlags = wxSIZE_AUTO)
 212     { SetSize(rect.x, rect.y, rect.width, rect.height, sizeFlags); }
 213
 214     // set size only
 215   void SetSize(int width, int height)
 216     { SetSize(-1, -1, width, height, wxSIZE_USE_EXISTING); }
 217   void SetSize(const wxSize& size)
 218    { SetSize(-1, -1, size.x, size.y, wxSIZE_USE_EXISTING); }
 219
 220     // set position only
 221   virtual void Move(int x, int y) { SetSize(x, y, -1, -1, wxSIZE_USE_EXISTING); }
 222   void Move(const wxPoint& pt) { SetSize(pt.x, pt.y, -1, -1, wxSIZE_USE_EXISTING); }
 223
 224   // Set client size
 225   virtual void SetClientSize(int width, int height);
 226   void SetClientSize(const wxSize& sz) { SetClientSize(sz.x, sz.y); }
 227
 228   // Convert client to screen coordinates
 229   virtual void ClientToScreen(int *x, int *y) const;
 230   wxPoint ClientToScreen(const wxPoint& pt) const
 231     { int x = pt.x; int y = pt.y; ClientToScreen(& x, & y); return wxPoint(x, y); }
 232
 233   // Convert screen to client coordinates
 234   virtual void ScreenToClient(int *x, int *y) const;
 235   wxPoint ScreenToClient(const wxPoint& pt) const
 236     { int x = pt.x; int y = pt.y; ScreenToClient(& x, & y); return wxPoint(x, y); }
 237
 238   // Set the focus to this window
 239   virtual void SetFocus();
 240
 241   // Capture/release mouse
 242   virtual void CaptureMouse();
 243   virtual void ReleaseMouse();
 244
 245   // Enable or disable the window
 246   virtual void Enable(bool enable);
 247
 248 #if wxUSE_DRAG_AND_DROP
 249   // Associate a drop target with this window (if the window already had a drop
 250   // target, it's deleted!) and return the current drop target (may be NULL).
 251   void          SetDropTarget(wxDropTarget *pDropTarget);
 252   wxDropTarget *GetDropTarget() const { return m_pDropTarget; }
 253 #endif
 254
 255   // Accept files for dragging
 256   virtual void DragAcceptFiles(bool accept);
 257
 258   // Update region access
 259   virtual wxRegion GetUpdateRegion() const;
 260   virtual bool IsExposed(int x, int y, int w, int h) const;
 261   virtual bool IsExposed(const wxPoint& pt) const;
 262   virtual bool IsExposed(const wxRect& rect) const;
 263
 264   // Set/get the window title
 265   virtual inline void SetTitle(const wxString& WXUNUSED(title)) {};
 266   inline virtual wxString GetTitle() const { return wxString(""); };
 267   // Most windows have the concept of a label; for frames, this is the
 268   // title; for items, this is the label or button text.
 269   inline virtual wxString GetLabel() const { return GetTitle(); }
 270
 271   // Set/get the window name (used for resource setting in X)
 272   inline virtual wxString GetName() const;
 273   inline virtual void SetName(const wxString& name);
 274
 275   // Centre the window
 276   virtual void Centre(int direction) ;
 277   inline void Center(int direction = wxHORIZONTAL) { Centre(direction); }
 278
 279   // Popup a menu
 280   virtual bool PopupMenu(wxMenu *menu, int x, int y);
 281
 282   // Send the window a refresh event
 283   virtual void Refresh(bool eraseBack = TRUE, const wxRect *rect = NULL);
 284
 285 #if WXWIN_COMPATIBILITY
 286   // Set/get scroll attributes
 287   virtual void SetScrollRange(int orient, int range, bool refresh = TRUE);
 288   virtual void SetScrollPage(int orient, int page, bool refresh = TRUE);
 289   virtual int OldGetScrollRange(int orient) const;
 290   virtual int GetScrollPage(int orient) const;
 291 #endif
 292
 293   // New functions that will replace the above.
 294   virtual void SetScrollbar(int orient, int pos, int thumbVisible,
 295     int range, bool refresh = TRUE);
 296
 297   virtual void SetScrollPos(int orient, int pos, bool refresh = TRUE);
 298   virtual int GetScrollPos(int orient) const;
 299   virtual int GetScrollRange(int orient) const;
 300   virtual int GetScrollThumb(int orient) const;
 301
 302   virtual void ScrollWindow(int dx, int dy, const wxRect *rect = NULL);
 303
 304   // Caret manipulation
 305   virtual void CreateCaret(int w, int h);
 306   virtual void CreateCaret(const wxBitmap *bitmap);
 307   virtual void DestroyCaret();
 308   virtual void ShowCaret(bool show);
 309   virtual void SetCaretPos(int x, int y);
 310   virtual void GetCaretPos(int *x, int *y) const;
 311
 312   // Tell window how much it can be sized
 313   virtual void SetSizeHints(int minW = -1, int minH = -1, int maxW = -1, int maxH = -1, int incW = -1, int incH = -1);
 314
 315   // Set/get the window's identifier
 316   inline int GetId() const;
 317   inline void SetId(int id);
 318
 319   // Make the window modal (all other windows unresponsive)
 320   virtual void MakeModal(bool modal);
 321
 322   // Get the private handle (platform-dependent)
 323   inline void *GetHandle() const;
 324
 325   // Set/get the window's relatives
 326   inline wxWindow *GetParent() const;
 327   inline void SetParent(wxWindow *p) ;
 328   inline wxWindow *GetGrandParent() const;
 329   inline wxList& GetChildren() const;
 330   // Set this window to be the child of 'parent'.
 331   // Returns FALSE it's not possible (some systems
 332   // won't allow it)
 333   virtual bool Reparent(wxWindow *parent);
 334
 335   // Set/get the window's font
 336   virtual void SetFont(const wxFont& f);
 337   inline virtual wxFont& GetFont() const;
 338
 339   // Set/get the window's validator
 340   void SetValidator(const wxValidator& validator);
 341   inline wxValidator *GetValidator() const;
 342
 343   // Set/get the window's style
 344   inline void SetWindowStyleFlag(long flag);
 345   inline long GetWindowStyleFlag() const;
 346
 347   // Set/get double-clickability
 348   // TODO: we probably wish to get rid of this, and
 349   // always allow double clicks.
 350   inline void SetDoubleClick(bool flag);
 351   inline bool GetDoubleClick() const;
 352   inline void AllowDoubleClick(bool value)  { SetDoubleClick(value); }
 353
 354   // Handle a control command
 355   virtual void OnCommand(wxWindow& win, wxCommandEvent& event);
 356
 357   // Set/get event handler
 358   inline void SetEventHandler(wxEvtHandler *handler);
 359   inline wxEvtHandler *GetEventHandler() const;
 360
 361   // Push/pop event handler (i.e. allow a chain of event handlers
 362   // be searched)
 363   void PushEventHandler(wxEvtHandler *handler) ;
 364   wxEvtHandler *PopEventHandler(bool deleteHandler = FALSE) ;
 365
 366   // Close the window by calling OnClose, posting a deletion
 367   virtual bool Close(bool force = FALSE);
 368
 369   // Destroy the window (delayed, if a managed window)
 370   virtual bool Destroy() ;
 371
 372   // Mode for telling default OnSize members to
 373   // call Layout(), if not using Sizers, just top-down constraints
 374   inline void SetAutoLayout(bool a);
 375   inline bool GetAutoLayout() const;
 376
 377   // Set/get constraints
 378   inline wxLayoutConstraints *GetConstraints() const;
 379   void SetConstraints(wxLayoutConstraints *c);
 380
 381   // Set/get window background colour
 382   inline virtual void SetBackgroundColour(const wxColour& col);
 383   inline virtual wxColour GetBackgroundColour() const;
 384
 385   // Set/get window foreground colour
 386   inline virtual void SetForegroundColour(const wxColour& col);
 387   inline virtual wxColour GetForegroundColour() const;
 388
 389   // For backward compatibility
 390   inline virtual void SetButtonFont(const wxFont& font) { SetFont(font); }
 391   inline virtual void SetLabelFont(const wxFont& font) { SetFont(font); }
 392   inline virtual wxFont& GetLabelFont() const { return GetFont(); };
 393   inline virtual wxFont& GetButtonFont() const { return GetFont(); };
 394
 395   // Get the default button, if there is one
 396   inline virtual wxButton *GetDefaultItem() const;
 397   inline virtual void SetDefaultItem(wxButton *but);
 398
 399   virtual void SetAcceleratorTable(const wxAcceleratorTable& accel);
 400   inline virtual wxAcceleratorTable& GetAcceleratorTable() const { return (wxAcceleratorTable&) m_acceleratorTable; }
 401
 402   // Override to define new behaviour for default action (e.g. double clicking
 403   // on a listbox)
 404   virtual void OnDefaultAction(wxControl *initiatingItem);
 405
 406   // Resource loading
 407 #if wxUSE_WX_RESOURCES
 408   virtual bool LoadFromResource(wxWindow *parent, const wxString& resourceName, const wxResourceTable *table = NULL);
 409   virtual wxControl *CreateItem(const wxItemResource* childResource, const wxItemResource* parentResource, const wxResourceTable *table = NULL);
 410 #endif
 411
 412   // Native resource loading
 413   virtual bool LoadNativeDialog(wxWindow* parent, wxWindowID& id);
 414   virtual bool LoadNativeDialog(wxWindow* parent, const wxString& name);
 415   virtual wxWindow* GetWindowChild1(wxWindowID& id);
 416   virtual wxWindow* GetWindowChild(wxWindowID& id);
 417
 418   virtual void GetTextExtent(const wxString& string, int *x, int *y,
 419                              int *descent = NULL,
 420                              int *externalLeading = NULL,
 421                              const wxFont *theFont = NULL, bool use16 = FALSE) const;
 422
 423   // Is the window retained?
 424   inline bool IsRetained() const;
 425
 426   // Warp the pointer the given position
 427   virtual void WarpPointer(int x_pos, int y_pos) ;
 428
 429   // Clear the window
 430   virtual void Clear();
 431
 432   // Find a window by id or name
 433   virtual wxWindow *FindWindow(long id);
 434   virtual wxWindow *FindWindow(const wxString& name);
 435
 436   // Constraint operations
 437   bool Layout();
 438   void SetSizer(wxSizer *sizer);    // Adds sizer child to this window
 439   inline wxSizer *GetSizer() const ;
 440   inline wxWindow *GetSizerParent() const ;
 441   inline void SetSizerParent(wxWindow *win);
 442
 443   // Do Update UI processing for controls
 444   void UpdateWindowUI();
 445
 446   void OnEraseBackground(wxEraseEvent& event);
 447   void OnChar(wxKeyEvent& event);
 448   void OnPaint(wxPaintEvent& event);
 449   void OnIdle(wxIdleEvent& event);
 450
 451   // Does this window want to accept keyboard focus?
 452   virtual bool AcceptsFocus() const;
 453
 454   virtual void PrepareDC( wxDC &dc ) {};
 455 public:
 456   ////////////////////////////////////////////////////////////////////////
 457   //// IMPLEMENTATION
 458
 459   // For implementation purposes - sometimes decorations make the client area
 460   // smaller
 461   virtual wxPoint GetClientAreaOrigin() const;
 462
 463   // Makes an adjustment to the window position (for example, a frame that has
 464   // a toolbar that it manages itself).
 465   virtual void AdjustForParentClientOrigin(int& x, int& y, int sizeFlags);
 466
 467   // Windows subclassing
 468   void SubclassWin(WXHWND hWnd);
 469   void UnsubclassWin();
 470   virtual long Default();
 471   virtual bool MSWCommand(WXUINT param, WXWORD id);
 472
 473   // returns TRUE if the event was processed
 474   virtual bool MSWNotify(WXWPARAM wParam, WXLPARAM lParam, WXLPARAM *result);
 475
 476   virtual wxWindow *FindItem(int id) const;
 477   virtual wxWindow *FindItemByHWND(WXHWND hWnd, bool controlOnly = FALSE) const ;
 478   virtual void PreDelete(WXHDC dc);              // Allows system cleanup
 479   // TO DO: how many of these need to be virtual?
 480   virtual WXHWND GetHWND() const ;
 481   virtual void SetHWND(WXHWND hWnd);
 482
 483   // Make a Windows extended style from the given wxWindows window style
 484   virtual WXDWORD MakeExtendedStyle(long style, bool eliminateBorders = TRUE);
 485   // Determine whether 3D effects are wanted
 486   virtual WXDWORD Determine3DEffects(WXDWORD defaultBorderStyle, bool *want3D);
 487
 488   virtual void AddChild(wxWindow *child);         // Adds reference to the child object
 489   virtual void RemoveChild(wxWindow *child);   // Removes reference to child
 490                                        // (but doesn't delete the child object)
 491   virtual void DestroyChildren();  // Removes and destroys all children
 492
 493   inline bool IsBeingDeleted();
 494
 495   // MSW only: TRUE if this control is part of the main control
 496   virtual bool ContainsHWND(WXHWND WXUNUSED(hWnd)) const { return FALSE; };
 497
 498   // Constraint implementation
 499   void UnsetConstraints(wxLayoutConstraints *c);
 500   inline wxList *GetConstraintsInvolvedIn() const ;
 501   // Back-pointer to other windows we're involved with, so if we delete
 502   // this window, we must delete any constraints we're involved with.
 503   void AddConstraintReference(wxWindow *otherWin);
 504   void RemoveConstraintReference(wxWindow *otherWin);
 505   void DeleteRelatedConstraints();
 506
 507   virtual void ResetConstraints();
 508   virtual void SetConstraintSizes(bool recurse = TRUE);
 509   virtual bool LayoutPhase1(int *noChanges);
 510   virtual bool LayoutPhase2(int *noChanges);
 511   virtual bool DoPhase(int);
 512   // Transforms from sizer coordinate space to actual
 513   // parent coordinate space
 514   virtual void TransformSizerToActual(int *x, int *y) const ;
 515
 516   // Set size with transformation to actual coordinates if nec.
 517   virtual void SizerSetSize(int x, int y, int w, int h);
 518   virtual void SizerMove(int x, int y);
 519
 520   // Only set/get the size/position of the constraint (if any)
 521   virtual void SetSizeConstraint(int x, int y, int w, int h);
 522   virtual void MoveConstraint(int x, int y);
 523   virtual void GetSizeConstraint(int *w, int *h) const ;
 524   virtual void GetClientSizeConstraint(int *w, int *h) const ;
 525   virtual void GetPositionConstraint(int *x, int *y) const ;
 526
 527   // Dialog units translations. Implemented in wincmn.cpp.
 528   wxPoint ConvertPixelsToDialog(const wxPoint& pt) ;
 529   wxPoint ConvertDialogToPixels(const wxPoint& pt) ;
 530   inline wxSize ConvertPixelsToDialog(const wxSize& sz)
 531   { wxPoint pt(ConvertPixelsToDialog(wxPoint(sz.x, sz.y))); return wxSize(pt.x, pt.y); }
 532   inline wxSize ConvertDialogToPixels(const wxSize& sz)
 533   { wxPoint pt(ConvertDialogToPixels(wxPoint(sz.x, sz.y))); return wxSize(pt.x, pt.y); }
 534
 535   wxObject *GetChild(int number) const ;
 536
 537   void MSWCreate(int id, wxWindow *parent, const char *wclass, wxWindow *wx_win, const char *title,
 538                int x, int y, int width, int height,
 539                WXDWORD style, const char *dialog_template = NULL,
 540                WXDWORD exendedStyle = 0);
 541
 542   // Actually defined in wx_canvs.cc since requires wxCanvas declaration
 543   virtual void MSWDeviceToLogical(float *x, float *y) const ;
 544
 545   // Create an appropriate wxWindow from a HWND
 546   virtual wxWindow* CreateWindowFromHWND(wxWindow* parent, WXHWND hWnd);
 547
 548   // Make sure the window style reflects the HWND style (roughly)
 549   virtual void AdoptAttributesFromHWND();
 550
 551   // Setup background and foreground colours correctly
 552   virtual void SetupColours();
 553
 554   // Saves the last message information before calling base version
 555   virtual bool ProcessEvent(wxEvent& event);
 556
 557   // Handlers
 558   virtual void MSWOnCreate(WXLPCREATESTRUCT cs);
 559   virtual bool MSWOnPaint();
 560   virtual WXHICON MSWOnQueryDragIcon() { return 0; }
 561   virtual void MSWOnSize(int x, int y, WXUINT flag);
 562   virtual void MSWOnWindowPosChanging(void *lpPos);
 563   virtual void MSWOnHScroll(WXWORD nSBCode, WXWORD pos, WXHWND control);
 564   virtual void MSWOnVScroll(WXWORD nSBCode, WXWORD pos, WXHWND control);
 565   virtual bool MSWOnCommand(WXWORD id, WXWORD cmd, WXHWND control);
 566   virtual long MSWOnSysCommand(WXWPARAM wParam, WXLPARAM lParam);
 567   virtual long MSWOnNotify(WXWPARAM wParam, WXLPARAM lParam);
 568   virtual WXHBRUSH MSWOnCtlColor(WXHDC dc, WXHWND pWnd, WXUINT nCtlColor,
 569                               WXUINT message, WXWPARAM wParam, WXLPARAM lParam);
 570   virtual bool MSWOnColorChange(WXHWND hWnd, WXUINT message, WXWPARAM wParam, WXLPARAM lParam);
 571   virtual long MSWOnPaletteChanged(WXHWND hWndPalChange);
 572   virtual long MSWOnQueryNewPalette();
 573   virtual bool MSWOnEraseBkgnd(WXHDC pDC);
 574   virtual void MSWOnMenuHighlight(WXWORD item, WXWORD flags, WXHMENU sysmenu);
 575   virtual void MSWOnInitMenuPopup(WXHMENU menu, int pos, bool isSystem);
 576   virtual bool MSWOnClose();
 577   // Return TRUE to end session, FALSE to veto end session.
 578   virtual bool MSWOnQueryEndSession(long logOff);
 579   virtual bool MSWOnEndSession(bool endSession, long logOff);
 580   virtual bool MSWOnDestroy();
 581   virtual bool MSWOnSetFocus(WXHWND wnd);
 582   virtual bool MSWOnKillFocus(WXHWND wnd);
 583   virtual void MSWOnDropFiles(WXWPARAM wParam);
 584   virtual bool MSWOnInitDialog(WXHWND hWndFocus);
 585   virtual void MSWOnShow(bool show, int status);
 586
 587   // TODO: rationalise these functions into 1 or 2 which take the
 588   // event type as argument.
 589   virtual void MSWOnLButtonDown(int x, int y, WXUINT flags);
 590   virtual void MSWOnLButtonUp(int x, int y, WXUINT flags);
 591   virtual void MSWOnLButtonDClick(int x, int y, WXUINT flags);
 592
 593   virtual void MSWOnMButtonDown(int x, int y, WXUINT flags);
 594   virtual void MSWOnMButtonUp(int x, int y, WXUINT flags);
 595   virtual void MSWOnMButtonDClick(int x, int y, WXUINT flags);
 596
 597   virtual void MSWOnRButtonDown(int x, int y, WXUINT flags);
 598   virtual void MSWOnRButtonUp(int x, int y, WXUINT flags);
 599   virtual void MSWOnRButtonDClick(int x, int y, WXUINT flags);
 600
 601   virtual void MSWOnMouseMove(int x, int y, WXUINT flags);
 602   virtual void MSWOnMouseEnter(int x, int y, WXUINT flags);
 603   virtual void MSWOnMouseLeave(int x, int y, WXUINT flags);
 604
 605   virtual void MSWOnChar(WXWORD wParam, WXLPARAM lParam, bool isASCII = FALSE);
 606
 607   virtual bool MSWOnActivate(int flag, bool minimized, WXHWND activate);
 608   virtual long MSWOnMDIActivate(long flag, WXHWND activate, WXHWND deactivate);
 609
 610   virtual bool MSWOnDrawItem(int id, WXDRAWITEMSTRUCT *item);
 611   virtual bool MSWOnMeasureItem(int id, WXMEASUREITEMSTRUCT *item);
 612
 613   virtual void MSWOnJoyDown(int joystick, int x, int y, WXUINT flags);
 614   virtual void MSWOnJoyUp(int joystick, int x, int y, WXUINT flags);
 615   virtual void MSWOnJoyMove(int joystick, int x, int y, WXUINT flags);
 616   virtual void MSWOnJoyZMove(int joystick, int z, WXUINT flags);
 617
 618   virtual long MSWGetDlgCode();
 619
 620   // Window procedure
 621   virtual long MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam);
 622
 623   // Calls an appropriate default window procedure
 624   virtual long MSWDefWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam);
 625   virtual bool MSWProcessMessage(WXMSG* pMsg);
 626   virtual bool MSWTranslateMessage(WXMSG* pMsg);
 627   virtual void MSWDestroyWindow();
 628
 629   // Detach "Window" menu from menu bar so it doesn't get deleted
 630   void MSWDetachWindowMenu();
 631
 632   inline WXFARPROC MSWGetOldWndProc() const;
 633   inline void MSWSetOldWndProc(WXFARPROC proc);
 634
 635   // Define for each class of dialog and control
 636   virtual WXHBRUSH OnCtlColor(WXHDC pDC, WXHWND pWnd, WXUINT nCtlColor,
 637                         WXUINT message, WXWPARAM wParam, WXLPARAM lParam);
 638
 639   inline void SetShowing(bool show);
 640   inline bool IsUserEnabled() const;
 641   inline bool GetUseCtl3D() const ;
 642   inline bool GetTransparentBackground() const ;
 643
 644   // Responds to colour changes: passes event on to children.
 645   void OnSysColourChanged(wxSysColourChangedEvent& event);
 646
 647   // Transfers data to any child controls
 648   void OnInitDialog(wxInitDialogEvent& event);
 649
 650   // Sends an OnInitDialog event, which in turns transfers data to
 651   // to the window via validators.
 652   virtual void InitDialog();
 653
 654   ////////////////////////////////////////////////////////////////////////
 655   //// PROTECTED DATA
 656 protected:
 657   wxAcceleratorTable    m_acceleratorTable;
 658   int                   m_windowId;
 659   long                  m_windowStyle;                  // Store the window's style
 660   wxEvtHandler *        m_windowEventHandler;   // Usually is 'this'
 661   wxLayoutConstraints * m_constraints;           // Constraints for this window
 662   wxList *              m_constraintsInvolvedIn; // List of constraints we're involved in
 663   wxSizer *             m_windowSizer;                       // Window's top-level sizer (if any)
 664   wxWindow *            m_sizerParent;                      // Window's parent sizer (if any)
 665   bool                  m_autoLayout;                            // Whether to call Layout() in OnSize
 666   wxWindow *            m_windowParent;                     // Each window always knows its parent
 667   wxValidator *         m_windowValidator;
 668   // Old window proc, for subclassed controls
 669   WXFARPROC             m_oldWndProc;
 670   bool                  m_useCtl3D;             // Using CTL3D for this control
 671
 672   bool                  m_inOnSize;                     // Protection against OnSize reentry
 673 #ifndef _WX_WIN32__
 674   // Pointer to global memory, for EDIT controls that need
 675   // special treatment to reduce USER area consumption.
 676   WXHGLOBAL             m_globalHandle;
 677 #endif
 678
 679   bool                  m_winEnabled;
 680   int                   m_minSizeX;
 681   int                   m_minSizeY;
 682   int                   m_maxSizeX;
 683   int                   m_maxSizeY;
 684
 685   // Caret data
 686   int                   m_caretWidth;
 687   int                   m_caretHeight;
 688   bool                  m_caretEnabled;
 689   bool                  m_caretShown;
 690   wxFont                m_windowFont;                               // Window's font
 691   bool                  m_isShown;
 692   bool                  m_doubleClickAllowed ;
 693   wxCursor              m_windowCursor;                        // Window's cursor
 694   bool                  m_winCaptured;
 695   wxString              m_windowName;                            // Window name
 696
 697 #if wxUSE_EXTENDED_STATICS
 698   wxList                m_staticItems;
 699 #endif
 700
 701   wxButton *            m_defaultItem;
 702   wxColour              m_backgroundColour ;
 703   wxColour              m_foregroundColour ;
 704   bool                  m_backgroundTransparent;
 705
 706   int                   m_xThumbSize;
 707   int                   m_yThumbSize;
 708
 709   float                 m_lastXPos;
 710   float                 m_lastYPos;
 711   int                   m_lastEvent;
 712
 713   bool                  m_mouseInWindow;
 714
 715 #if wxUSE_DRAG_AND_DROP
 716   wxDropTarget         *m_pDropTarget;    // the current drop target or NULL
 717 #endif  //USE_DRAG_AND_DROP
 718
 719 public:
 720   WXHWND                m_hWnd;                         // MS Windows window handle
 721   WXUINT                m_lastMsg;
 722   WXWPARAM              m_lastWParam;
 723   WXLPARAM              m_lastLParam;
 724
 725   wxRegion              m_updateRegion;
 726 /*
 727   wxRect           m_updateRect;             // Bounding box for screen damage area
 728 #ifdef __WIN32__
 729   WXHRGN                m_updateRgn;                  // NT allows access to the rectangle list
 730 #endif
 731 */
 732
 733 //  WXHANDLE              m_acceleratorTable;
 734   WXHMENU               m_hMenu; // Menu, if any
 735   wxList *              m_children;                           // Window's children
 736   int                   m_returnCode;
 737   bool                  m_isBeingDeleted; // Fudge because can't access parent
 738                         // when being deleted
 739
 740 private:
 741     // common part of all ctors
 742     void Init();
 743
 744     DECLARE_EVENT_TABLE()
 745 };
 746
 747 ////////////////////////////////////////////////////////////////////////
 748 //// INLINES
 749
 750 inline void *wxWindow::GetHandle() const { return (void *)GetHWND(); }
 751 inline int wxWindow::GetId() const { return m_windowId; }
 752 inline void wxWindow::SetId(int id) { m_windowId = id; }
 753 inline wxWindow *wxWindow::GetParent() const { return m_windowParent; }
 754 inline void wxWindow::SetParent(wxWindow *p) { m_windowParent = p; }
 755 inline wxWindow *wxWindow::GetGrandParent() const { return (m_windowParent ? m_windowParent->m_windowParent : NULL); }
 756 inline wxList& wxWindow::GetChildren() const { return (wxList&) *m_children; }
 757 inline wxFont& wxWindow::GetFont() const { return (wxFont&) m_windowFont; }
 758 inline wxString wxWindow::GetName() const { return m_windowName; }
 759 inline void wxWindow::SetName(const wxString& name) { m_windowName = name; }
 760 inline long wxWindow::GetWindowStyleFlag() const { return m_windowStyle; }
 761 inline void wxWindow::SetWindowStyleFlag(long flag) { m_windowStyle = flag; }
 762 inline void wxWindow::SetDoubleClick(bool flag) { m_doubleClickAllowed = flag; }
 763 inline bool wxWindow::GetDoubleClick() const { return m_doubleClickAllowed; }
 764 inline void wxWindow::SetEventHandler(wxEvtHandler *handler) { m_windowEventHandler = handler; }
 765 inline wxEvtHandler *wxWindow::GetEventHandler() const { return m_windowEventHandler; }
 766 inline void wxWindow::SetAutoLayout(bool a) { m_autoLayout = a; }
 767 inline bool wxWindow::GetAutoLayout() const { return m_autoLayout; }
 768 inline wxLayoutConstraints *wxWindow::GetConstraints() const { return m_constraints; }
 769 inline void wxWindow::SetBackgroundColour(const wxColour& col) { m_backgroundColour = col; };
 770 inline wxColour wxWindow::GetBackgroundColour() const { return m_backgroundColour; };
 771 inline void wxWindow::SetForegroundColour(const wxColour& col) { m_foregroundColour = col; };
 772 inline wxColour wxWindow::GetForegroundColour() const { return m_foregroundColour; };
 773
 774 inline wxButton *wxWindow::GetDefaultItem() const { return m_defaultItem; }
 775 inline void wxWindow::SetDefaultItem(wxButton *but) { m_defaultItem = but; }
 776 inline bool wxWindow::IsRetained() const { return ((m_windowStyle & wxRETAINED) == wxRETAINED); }
 777
 778 inline void wxWindow::SetShowing(bool show) { m_isShown = show; }
 779 inline wxList *wxWindow::GetConstraintsInvolvedIn() const { return m_constraintsInvolvedIn; }
 780 inline wxSizer *wxWindow::GetSizer() const { return m_windowSizer; }
 781 inline wxWindow *wxWindow::GetSizerParent() const { return m_sizerParent; }
 782 inline void wxWindow::SetSizerParent(wxWindow *win) { m_sizerParent = win; }
 783 inline WXFARPROC wxWindow::MSWGetOldWndProc() const { return m_oldWndProc; }
 784 inline void wxWindow::MSWSetOldWndProc(WXFARPROC proc) { m_oldWndProc = proc; }
 785 inline wxValidator *wxWindow::GetValidator() const { return m_windowValidator; }
 786 inline bool wxWindow::IsUserEnabled() const { return m_winEnabled; }
 787 inline bool wxWindow::GetUseCtl3D() const { return m_useCtl3D; }
 788 inline bool wxWindow::GetTransparentBackground() const { return m_backgroundTransparent; }
 789 inline void wxWindow::SetReturnCode(int retCode) { m_returnCode = retCode; }
 790 inline int wxWindow::GetReturnCode() { return m_returnCode; }
 791 inline bool wxWindow::IsBeingDeleted() { return m_isBeingDeleted; }
 792
 793 // Window specific (so far)
 794 WXDLLEXPORT wxWindow* wxGetActiveWindow();
 795
 796 WXDLLEXPORT_DATA(extern wxList) wxTopLevelWindows;
 797
 798 WXDLLEXPORT int wxCharCodeMSWToWX(int keySym);
 799 WXDLLEXPORT int wxCharCodeWXToMSW(int id, bool *IsVirtual);
 800
 801 // Allocates control ids
 802 WXDLLEXPORT int NewControlId();
 803
 804 #endif
 805     // _WX_WINDOW_H_