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