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