include/wx/sizer.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        wx/sizer.h
   3 // Purpose:     provide wxSizer class for layout
   4 // Author:      Robert Roebling and Robin Dunn
   5 // Modified by: Ron Lee, Vadim Zeitlin (wxSizerFlags)
   6 // Created:
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Robin Dunn, Robert Roebling
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifndef __WXSIZER_H__
  13 #define __WXSIZER_H__
  14
  15 #include "wx/defs.h"
  16
  17 #include "wx/window.h"
  18
  19 //---------------------------------------------------------------------------
  20 // classes
  21 //---------------------------------------------------------------------------
  22
  23 class WXDLLEXPORT wxButton;
  24 class WXDLLEXPORT wxBoxSizer;
  25 class WXDLLEXPORT wxSizerItem;
  26 class WXDLLEXPORT wxSizer;
  27
  28 #ifndef wxUSE_BORDER_BY_DEFAULT
  29     #ifdef __SMARTPHONE__
  30         // no borders by default on limited size screen
  31         #define wxUSE_BORDER_BY_DEFAULT 0
  32     #else
  33         #define wxUSE_BORDER_BY_DEFAULT 1
  34     #endif
  35 #endif
  36
  37 // ----------------------------------------------------------------------------
  38 // wxSizerFlags: flags used for an item in the sizer
  39 // ----------------------------------------------------------------------------
  40
  41 class WXDLLEXPORT wxSizerFlags
  42 {
  43 public:
  44     // construct the flags object initialized with the given proportion (0 by
  45     // default)
  46     wxSizerFlags(int proportion = 0) : m_proportion(proportion)
  47     {
  48         m_flags = 0;
  49         m_borderInPixels = 0;
  50     }
  51
  52     // setters for all sizer flags, they all return the object itself so that
  53     // calls to them can be chained
  54
  55     wxSizerFlags& Proportion(int proportion)
  56     {
  57         m_proportion = proportion;
  58         return *this;
  59     }
  60
  61     wxSizerFlags& Align(int alignment) // combination of wxAlignment values
  62     {
  63         m_flags &= ~wxALIGN_MASK;
  64         m_flags |= alignment;
  65
  66         return *this;
  67     }
  68
  69     wxSizerFlags& Expand()
  70     {
  71         m_flags |= wxEXPAND;
  72         return *this;
  73     }
  74
  75     // some shortcuts for Align()
  76     wxSizerFlags& Centre() { return Align(wxCENTRE); }
  77     wxSizerFlags& Center() { return Centre(); }
  78     wxSizerFlags& Left() { return Align(wxALIGN_LEFT); }
  79     wxSizerFlags& Right() { return Align(wxALIGN_RIGHT); }
  80
  81     // default border size used by Border() below
  82     static int GetDefaultBorder()
  83     {
  84 #if wxUSE_BORDER_BY_DEFAULT
  85         // FIXME: default border size shouldn't be hardcoded and at the very
  86         //        least they should depend on the current font size
  87         return 5;
  88 #else
  89         return 0;
  90 #endif
  91     }
  92
  93
  94     wxSizerFlags& Border(int direction, int borderInPixels)
  95     {
  96         m_flags &= ~wxALL;
  97         m_flags |= direction;
  98
  99         m_borderInPixels = borderInPixels;
 100
 101         return *this;
 102     }
 103
 104     wxSizerFlags& Border(int direction = wxALL)
 105     {
 106 #if wxUSE_BORDER_BY_DEFAULT
 107         return Border(direction, GetDefaultBorder());
 108 #else
 109         // no borders by default on limited size screen
 110         wxUnusedVar(direction);
 111
 112         return *this;
 113 #endif
 114     }
 115
 116     wxSizerFlags& DoubleBorder(int direction = wxALL)
 117     {
 118 #if wxUSE_BORDER_BY_DEFAULT
 119         return Border(direction, 2*GetDefaultBorder());
 120 #else
 121         wxUnusedVar(direction);
 122
 123         return *this;
 124 #endif
 125     }
 126
 127     wxSizerFlags& TripleBorder(int direction = wxALL)
 128     {
 129 #if wxUSE_BORDER_BY_DEFAULT
 130         return Border(direction, 3*GetDefaultBorder());
 131 #else
 132         wxUnusedVar(direction);
 133
 134         return *this;
 135 #endif
 136     }
 137
 138     wxSizerFlags& HorzBorder()
 139     {
 140 #if wxUSE_BORDER_BY_DEFAULT
 141         return Border(wxLEFT | wxRIGHT, GetDefaultBorder());
 142 #else
 143         return *this;
 144 #endif
 145     }
 146
 147     wxSizerFlags& DoubleHorzBorder()
 148     {
 149 #if wxUSE_BORDER_BY_DEFAULT
 150         return Border(wxLEFT | wxRIGHT, 2*GetDefaultBorder());
 151 #else
 152         return *this;
 153 #endif
 154     }
 155
 156     // accessors for wxSizer only
 157     int GetProportion() const { return m_proportion; }
 158     int GetFlags() const { return m_flags; }
 159     int GetBorderInPixels() const { return m_borderInPixels; }
 160
 161 private:
 162     int m_proportion;
 163     int m_flags;
 164     int m_borderInPixels;
 165 };
 166
 167
 168 // ----------------------------------------------------------------------------
 169 // wxSizerSpacer: used by wxSizerItem to represent a spacer
 170 // ----------------------------------------------------------------------------
 171
 172 class WXDLLEXPORT wxSizerSpacer
 173 {
 174 public:
 175     wxSizerSpacer(const wxSize& size) : m_size(size), m_isShown(true) { }
 176
 177     void SetSize(const wxSize& size) { m_size = size; }
 178     const wxSize& GetSize() const { return m_size; }
 179
 180     void Show(bool show) { m_isShown = show; }
 181     bool IsShown() const { return m_isShown; }
 182
 183 private:
 184     // the size, in pixel
 185     wxSize m_size;
 186
 187     // is the spacer currently shown?
 188     bool m_isShown;
 189 };
 190
 191 // ----------------------------------------------------------------------------
 192 // wxSizerItem
 193 // ----------------------------------------------------------------------------
 194
 195 class WXDLLEXPORT wxSizerItem : public wxObject
 196 {
 197 public:
 198     // window
 199     wxSizerItem( wxWindow *window,
 200                  int proportion,
 201                  int flag,
 202                  int border,
 203                  wxObject* userData );
 204
 205     // window with flags
 206     wxSizerItem(wxWindow *window, const wxSizerFlags& flags)
 207     {
 208         Init(flags);
 209
 210         SetWindow(window);
 211     }
 212
 213     // subsizer
 214     wxSizerItem( wxSizer *sizer,
 215                  int proportion,
 216                  int flag,
 217                  int border,
 218                  wxObject* userData );
 219
 220     // sizer with flags
 221     wxSizerItem(wxSizer *sizer, const wxSizerFlags& flags)
 222     {
 223         Init(flags);
 224
 225         SetSizer(sizer);
 226     }
 227
 228     // spacer
 229     wxSizerItem( int width,
 230                  int height,
 231                  int proportion,
 232                  int flag,
 233                  int border,
 234                  wxObject* userData);
 235
 236     // spacer with flags
 237     wxSizerItem(int width, int height, const wxSizerFlags& flags)
 238     {
 239         Init(flags);
 240
 241         SetSpacer(width, height);
 242     }
 243
 244     wxSizerItem();
 245     virtual ~wxSizerItem();
 246
 247     virtual void DeleteWindows();
 248
 249     // Enable deleting the SizerItem without destroying the contained sizer.
 250     void DetachSizer() { m_sizer = NULL; }
 251
 252     virtual wxSize GetSize() const;
 253     virtual wxSize CalcMin();
 254     virtual void SetDimension( const wxPoint& pos, const wxSize& size );
 255
 256     wxSize GetMinSize() const
 257         { return m_minSize; }
 258     wxSize GetMinSizeWithBorder() const;
 259
 260     void SetMinSize(const wxSize& size)
 261     {
 262         if ( IsWindow() )
 263             m_window->SetMinSize(size);
 264         m_minSize = size;
 265     }
 266     void SetMinSize( int x, int y )
 267         { SetMinSize(wxSize(x, y)); }
 268     void SetInitSize( int x, int y )
 269         { SetMinSize(wxSize(x, y)); }
 270
 271     // if either of dimensions is zero, ratio is assumed to be 1
 272     // to avoid "divide by zero" errors
 273     void SetRatio(int width, int height)
 274         { m_ratio = (width && height) ? ((float) width / (float) height) : 1; }
 275     void SetRatio(const wxSize& size)
 276         { SetRatio(size.x, size.y); }
 277     void SetRatio(float ratio)
 278         { m_ratio = ratio; }
 279     float GetRatio() const
 280         { return m_ratio; }
 281
 282     virtual wxRect GetRect() { return m_rect; }
 283
 284     bool IsWindow() const { return m_kind == Item_Window; }
 285     bool IsSizer() const { return m_kind == Item_Sizer; }
 286     bool IsSpacer() const { return m_kind == Item_Spacer; }
 287
 288 #if WXWIN_COMPATIBILITY_2_6
 289     // Deprecated in 2.6, use {G,S}etProportion instead.
 290     wxDEPRECATED( void SetOption( int option ) );
 291     wxDEPRECATED( int GetOption() const );
 292 #endif // WXWIN_COMPATIBILITY_2_6
 293
 294     void SetProportion( int proportion )
 295         { m_proportion = proportion; }
 296     int GetProportion() const
 297         { return m_proportion; }
 298     void SetFlag( int flag )
 299         { m_flag = flag; }
 300     int GetFlag() const
 301         { return m_flag; }
 302     void SetBorder( int border )
 303         { m_border = border; }
 304     int GetBorder() const
 305         { return m_border; }
 306
 307     wxWindow *GetWindow() const
 308         { return m_kind == Item_Window ? m_window : NULL; }
 309     wxSizer *GetSizer() const
 310         { return m_kind == Item_Sizer ? m_sizer : NULL; }
 311     wxSize GetSpacer() const;
 312
 313     // this function behaves obviously for the windows and spacers but for the
 314     // sizers it returns true if any sizer element is shown and only returns
 315     // false if all of them are hidden
 316     bool IsShown() const;
 317     void Show(bool show);
 318
 319     void SetUserData(wxObject* userData)
 320         { delete m_userData; m_userData = userData; }
 321     wxObject* GetUserData() const
 322         { return m_userData; }
 323     wxPoint GetPosition() const
 324         { return m_pos; }
 325
 326
 327     // these functions do not free old sizer/spacer
 328     void SetWindow(wxWindow *window);
 329     void SetSizer(wxSizer *sizer);
 330     void SetSpacer(const wxSize& size);
 331     void SetSpacer(int width, int height) { SetSpacer(wxSize(width, height)); }
 332
 333 protected:
 334     // common part of several ctors
 335     void Init() { m_userData = NULL; }
 336
 337     // common part of ctors taking wxSizerFlags
 338     void Init(const wxSizerFlags& flags);
 339
 340
 341     // discriminated union: depending on m_kind one of the fields is valid
 342     enum
 343     {
 344         Item_None,
 345         Item_Window,
 346         Item_Sizer,
 347         Item_Spacer,
 348         Item_Max
 349     } m_kind;
 350     union
 351     {
 352         wxWindow      *m_window;
 353         wxSizer       *m_sizer;
 354         wxSizerSpacer *m_spacer;
 355     };
 356
 357     wxPoint      m_pos;
 358     wxSize       m_minSize;
 359     int          m_proportion;
 360     int          m_border;
 361     int          m_flag;
 362
 363     // on screen rectangle of this item (not including borders)
 364     wxRect       m_rect;
 365
 366     // Aspect ratio can always be calculated from m_size,
 367     // but this would cause precision loss when the window
 368     // is shrunk.  It is safer to preserve the initial value.
 369     float        m_ratio;
 370
 371     wxObject    *m_userData;
 372
 373 private:
 374     DECLARE_CLASS(wxSizerItem)
 375     DECLARE_NO_COPY_CLASS(wxSizerItem)
 376 };
 377
 378 WX_DECLARE_EXPORTED_LIST( wxSizerItem, wxSizerItemList );
 379
 380
 381 //---------------------------------------------------------------------------
 382 // wxSizer
 383 //---------------------------------------------------------------------------
 384
 385 class WXDLLEXPORT wxSizer: public wxObject, public wxClientDataContainer
 386 {
 387 public:
 388     wxSizer() { m_containingWindow = NULL; }
 389     virtual ~wxSizer();
 390
 391     // methods for adding elements to the sizer: there are Add/Insert/Prepend
 392     // overloads for each of window/sizer/spacer/wxSizerItem
 393     wxSizerItem* Add(wxWindow *window,
 394                      int proportion = 0,
 395                      int flag = 0,
 396                      int border = 0,
 397                      wxObject* userData = NULL);
 398     wxSizerItem* Add(wxSizer *sizer,
 399                      int proportion = 0,
 400                      int flag = 0,
 401                      int border = 0,
 402                      wxObject* userData = NULL);
 403     wxSizerItem* Add(int width,
 404                      int height,
 405                      int proportion = 0,
 406                      int flag = 0,
 407                      int border = 0,
 408                      wxObject* userData = NULL);
 409     wxSizerItem* Add( wxWindow *window, const wxSizerFlags& flags);
 410     wxSizerItem* Add( wxSizer *sizer, const wxSizerFlags& flags);
 411     wxSizerItem* Add( wxSizerItem *item);
 412
 413     wxSizerItem* AddSpacer(int size);
 414     wxSizerItem* AddStretchSpacer(int prop = 1);
 415
 416     wxSizerItem* Insert(size_t index,
 417                         wxWindow *window,
 418                         int proportion = 0,
 419                         int flag = 0,
 420                         int border = 0,
 421                         wxObject* userData = NULL);
 422     wxSizerItem* Insert(size_t index,
 423                         wxSizer *sizer,
 424                         int proportion = 0,
 425                         int flag = 0,
 426                         int border = 0,
 427                         wxObject* userData = NULL);
 428     wxSizerItem* Insert(size_t index,
 429                         int width,
 430                         int height,
 431                         int proportion = 0,
 432                         int flag = 0,
 433                         int border = 0,
 434                         wxObject* userData = NULL);
 435     wxSizerItem* Insert(size_t index,
 436                         wxWindow *window,
 437                         const wxSizerFlags& flags);
 438     wxSizerItem* Insert(size_t index,
 439                         wxSizer *sizer,
 440                         const wxSizerFlags& flags);
 441     virtual wxSizerItem* Insert( size_t index, wxSizerItem *item);
 442
 443     wxSizerItem* InsertSpacer(size_t index, int size);
 444     wxSizerItem* InsertStretchSpacer(size_t index, int prop = 1);
 445
 446     wxSizerItem* Prepend(wxWindow *window,
 447                          int proportion = 0,
 448                          int flag = 0,
 449                          int border = 0,
 450                          wxObject* userData = NULL);
 451     wxSizerItem* Prepend(wxSizer *sizer,
 452                          int proportion = 0,
 453                          int flag = 0,
 454                          int border = 0,
 455                          wxObject* userData = NULL);
 456     wxSizerItem* Prepend(int width,
 457                          int height,
 458                          int proportion = 0,
 459                          int flag = 0,
 460                          int border = 0,
 461                          wxObject* userData = NULL);
 462     wxSizerItem* Prepend(wxWindow *window, const wxSizerFlags& flags);
 463     wxSizerItem* Prepend(wxSizer *sizer, const wxSizerFlags& flags);
 464     wxSizerItem* Prepend(wxSizerItem *item);
 465
 466     wxSizerItem* PrependSpacer(int size);
 467     wxSizerItem* PrependStretchSpacer(int prop = 1);
 468
 469     // set (or possibly unset if window is NULL) or get the window this sizer
 470     // is used in
 471     void SetContainingWindow(wxWindow *window);
 472     wxWindow *GetContainingWindow() const { return m_containingWindow; }
 473
 474 #if WXWIN_COMPATIBILITY_2_6
 475     // Deprecated in 2.6 since historically it does not delete the window,
 476     // use Detach instead.
 477     wxDEPRECATED( virtual bool Remove( wxWindow *window ) );
 478 #endif // WXWIN_COMPATIBILITY_2_6
 479
 480     virtual bool Remove( wxSizer *sizer );
 481     virtual bool Remove( int index );
 482
 483     virtual bool Detach( wxWindow *window );
 484     virtual bool Detach( wxSizer *sizer );
 485     virtual bool Detach( int index );
 486
 487     virtual bool Replace( wxWindow *oldwin, wxWindow *newwin, bool recursive = false );
 488     virtual bool Replace( wxSizer *oldsz, wxSizer *newsz, bool recursive = false );
 489     virtual bool Replace( size_t index, wxSizerItem *newitem );
 490
 491     virtual void Clear( bool delete_windows = false );
 492     virtual void DeleteWindows();
 493
 494     void SetMinSize( int width, int height )
 495         { DoSetMinSize( width, height ); }
 496     void SetMinSize( const wxSize& size )
 497         { DoSetMinSize( size.x, size.y ); }
 498
 499     // Searches recursively
 500     bool SetItemMinSize( wxWindow *window, int width, int height )
 501         { return DoSetItemMinSize( window, width, height ); }
 502     bool SetItemMinSize( wxWindow *window, const wxSize& size )
 503         { return DoSetItemMinSize( window, size.x, size.y ); }
 504
 505     // Searches recursively
 506     bool SetItemMinSize( wxSizer *sizer, int width, int height )
 507         { return DoSetItemMinSize( sizer, width, height ); }
 508     bool SetItemMinSize( wxSizer *sizer, const wxSize& size )
 509         { return DoSetItemMinSize( sizer, size.x, size.y ); }
 510
 511     bool SetItemMinSize( size_t index, int width, int height )
 512         { return DoSetItemMinSize( index, width, height ); }
 513     bool SetItemMinSize( size_t index, const wxSize& size )
 514         { return DoSetItemMinSize( index, size.x, size.y ); }
 515
 516     wxSize GetSize() const
 517         { return m_size; }
 518     wxPoint GetPosition() const
 519         { return m_position; }
 520
 521     // Calculate the minimal size or return m_minSize if bigger.
 522     wxSize GetMinSize();
 523
 524     virtual void RecalcSizes() = 0;
 525     virtual wxSize CalcMin() = 0;
 526
 527     virtual void Layout();
 528
 529     wxSize Fit( wxWindow *window );
 530     void FitInside( wxWindow *window );
 531     void SetSizeHints( wxWindow *window );
 532     void SetVirtualSizeHints( wxWindow *window );
 533
 534     wxSizerItemList& GetChildren()
 535         { return m_children; }
 536
 537     void SetDimension( int x, int y, int width, int height );
 538
 539     wxSizerItem* GetItem( wxWindow *window, bool recursive = false );
 540     wxSizerItem* GetItem( wxSizer *sizer, bool recursive = false );
 541     wxSizerItem* GetItem( size_t index );
 542
 543     // Manage whether individual scene items are considered
 544     // in the layout calculations or not.
 545     bool Show( wxWindow *window, bool show = true, bool recursive = false );
 546     bool Show( wxSizer *sizer, bool show = true, bool recursive = false );
 547     bool Show( size_t index, bool show = true );
 548
 549     bool Hide( wxSizer *sizer, bool recursive = false )
 550         { return Show( sizer, false, recursive ); }
 551     bool Hide( wxWindow *window, bool recursive = false )
 552         { return Show( window, false, recursive ); }
 553     bool Hide( size_t index )
 554         { return Show( index, false ); }
 555
 556     bool IsShown( wxWindow *window ) const;
 557     bool IsShown( wxSizer *sizer ) const;
 558     bool IsShown( size_t index ) const;
 559
 560     // Recursively call wxWindow::Show () on all sizer items.
 561     virtual void ShowItems (bool show);
 562
 563     void Show(bool show) { ShowItems(show); }
 564
 565 protected:
 566     wxSize              m_size;
 567     wxSize              m_minSize;
 568     wxPoint             m_position;
 569     wxSizerItemList     m_children;
 570
 571     // the window this sizer is used in, can be NULL
 572     wxWindow *m_containingWindow;
 573
 574     wxSize GetMaxWindowSize( wxWindow *window ) const;
 575     wxSize GetMinWindowSize( wxWindow *window );
 576     wxSize GetMaxClientSize( wxWindow *window ) const;
 577     wxSize GetMinClientSize( wxWindow *window );
 578     wxSize VirtualFitSize( wxWindow *window );
 579
 580     virtual void DoSetMinSize( int width, int height );
 581     virtual bool DoSetItemMinSize( wxWindow *window, int width, int height );
 582     virtual bool DoSetItemMinSize( wxSizer *sizer, int width, int height );
 583     virtual bool DoSetItemMinSize( size_t index, int width, int height );
 584
 585 private:
 586     DECLARE_CLASS(wxSizer)
 587 };
 588
 589 //---------------------------------------------------------------------------
 590 // wxGridSizer
 591 //---------------------------------------------------------------------------
 592
 593 class WXDLLEXPORT wxGridSizer: public wxSizer
 594 {
 595 public:
 596     wxGridSizer( int rows, int cols, int vgap, int hgap );
 597     wxGridSizer( int cols, int vgap = 0, int hgap = 0 );
 598
 599     virtual void RecalcSizes();
 600     virtual wxSize CalcMin();
 601
 602     void SetCols( int cols )    { m_cols = cols; }
 603     void SetRows( int rows )    { m_rows = rows; }
 604     void SetVGap( int gap )     { m_vgap = gap; }
 605     void SetHGap( int gap )     { m_hgap = gap; }
 606     int GetCols() const         { return m_cols; }
 607     int GetRows() const         { return m_rows; }
 608     int GetVGap() const         { return m_vgap; }
 609     int GetHGap() const         { return m_hgap; }
 610
 611 protected:
 612     int    m_rows;
 613     int    m_cols;
 614     int    m_vgap;
 615     int    m_hgap;
 616
 617     // return the number of total items and the number of columns and rows
 618     int CalcRowsCols(int& rows, int& cols) const;
 619
 620     void SetItemBounds( wxSizerItem *item, int x, int y, int w, int h );
 621
 622 private:
 623     DECLARE_CLASS(wxGridSizer)
 624 };
 625
 626 //---------------------------------------------------------------------------
 627 // wxFlexGridSizer
 628 //---------------------------------------------------------------------------
 629
 630 // the bevaiour for resizing wxFlexGridSizer cells in the "non-flexible"
 631 // direction
 632 enum wxFlexSizerGrowMode
 633 {
 634     // don't resize the cells in non-flexible direction at all
 635     wxFLEX_GROWMODE_NONE,
 636
 637     // uniformly resize only the specified ones (default)
 638     wxFLEX_GROWMODE_SPECIFIED,
 639
 640     // uniformly resize all cells
 641     wxFLEX_GROWMODE_ALL
 642 };
 643
 644 class WXDLLEXPORT wxFlexGridSizer: public wxGridSizer
 645 {
 646 public:
 647     // ctors/dtor
 648     wxFlexGridSizer( int rows, int cols, int vgap, int hgap );
 649     wxFlexGridSizer( int cols, int vgap = 0, int hgap = 0 );
 650     virtual ~wxFlexGridSizer();
 651
 652
 653     // set the rows/columns which will grow (the others will remain of the
 654     // constant initial size)
 655     void AddGrowableRow( size_t idx, int proportion = 0 );
 656     void RemoveGrowableRow( size_t idx );
 657     void AddGrowableCol( size_t idx, int proportion = 0 );
 658     void RemoveGrowableCol( size_t idx );
 659
 660
 661     // the sizer cells may grow in both directions, not grow at all or only
 662     // grow in one direction but not the other
 663
 664     // the direction may be wxVERTICAL, wxHORIZONTAL or wxBOTH (default)
 665     void SetFlexibleDirection(int direction) { m_flexDirection = direction; }
 666     int GetFlexibleDirection() const { return m_flexDirection; }
 667
 668     // note that the grow mode only applies to the direction which is not
 669     // flexible
 670     void SetNonFlexibleGrowMode(wxFlexSizerGrowMode mode) { m_growMode = mode; }
 671     wxFlexSizerGrowMode GetNonFlexibleGrowMode() const { return m_growMode; }
 672
 673     // Read-only access to the row heights and col widths arrays
 674     const wxArrayInt& GetRowHeights() const { return m_rowHeights; }
 675     const wxArrayInt& GetColWidths() const  { return m_colWidths; }
 676
 677     // implementation
 678     virtual void RecalcSizes();
 679     virtual wxSize CalcMin();
 680
 681 protected:
 682     void AdjustForFlexDirection();
 683     void AdjustForGrowables(const wxSize& sz, const wxSize& minsz,
 684                             int nrows, int ncols);
 685
 686     // the heights/widths of all rows/columns
 687     wxArrayInt  m_rowHeights,
 688                 m_colWidths;
 689
 690     // indices of the growable columns and rows
 691     wxArrayInt  m_growableRows,
 692                 m_growableCols;
 693
 694     // proportion values of the corresponding growable rows and columns
 695     wxArrayInt  m_growableRowsProportions,
 696                 m_growableColsProportions;
 697
 698     // parameters describing whether the growable cells should be resized in
 699     // both directions or only one
 700     int m_flexDirection;
 701     wxFlexSizerGrowMode m_growMode;
 702
 703     // saves CalcMin result to optimize RecalcSizes
 704     wxSize m_calculatedMinSize;
 705
 706 private:
 707     DECLARE_CLASS(wxFlexGridSizer)
 708     DECLARE_NO_COPY_CLASS(wxFlexGridSizer)
 709 };
 710
 711 //---------------------------------------------------------------------------
 712 // wxBoxSizer
 713 //---------------------------------------------------------------------------
 714
 715 class WXDLLEXPORT wxBoxSizer: public wxSizer
 716 {
 717 public:
 718     wxBoxSizer( int orient );
 719
 720     void RecalcSizes();
 721     wxSize CalcMin();
 722
 723     int GetOrientation() const
 724         { return m_orient; }
 725
 726     void SetOrientation(int orient)
 727         { m_orient = orient; }
 728
 729 protected:
 730     int m_orient;
 731     int m_stretchable;
 732     int m_minWidth;
 733     int m_minHeight;
 734     int m_fixedWidth;
 735     int m_fixedHeight;
 736
 737 private:
 738     DECLARE_CLASS(wxBoxSizer)
 739 };
 740
 741 //---------------------------------------------------------------------------
 742 // wxStaticBoxSizer
 743 //---------------------------------------------------------------------------
 744
 745 #if wxUSE_STATBOX
 746
 747 class WXDLLEXPORT wxStaticBox;
 748
 749 class WXDLLEXPORT wxStaticBoxSizer: public wxBoxSizer
 750 {
 751 public:
 752     wxStaticBoxSizer(wxStaticBox *box, int orient);
 753     wxStaticBoxSizer(int orient, wxWindow *win, const wxString& label = wxEmptyString);
 754     virtual ~wxStaticBoxSizer();
 755
 756     void RecalcSizes();
 757     wxSize CalcMin();
 758
 759     wxStaticBox *GetStaticBox() const
 760         { return m_staticBox; }
 761
 762     // override to hide/show the static box as well
 763     virtual void ShowItems (bool show);
 764
 765     virtual bool Detach( wxWindow *window );
 766     virtual bool Detach( wxSizer *sizer ) { return wxBoxSizer::Detach(sizer); }
 767     virtual bool Detach( int index ) { return wxBoxSizer::Detach(index); }
 768
 769 protected:
 770     wxStaticBox   *m_staticBox;
 771
 772 private:
 773     DECLARE_CLASS(wxStaticBoxSizer)
 774     DECLARE_NO_COPY_CLASS(wxStaticBoxSizer)
 775 };
 776
 777 #endif // wxUSE_STATBOX
 778
 779 #if wxUSE_BUTTON
 780
 781 class WXDLLEXPORT wxStdDialogButtonSizer: public wxBoxSizer
 782 {
 783 public:
 784     // Constructor just creates a new wxBoxSizer, not much else.
 785     // Box sizer orientation is automatically determined here:
 786     // vertical for PDAs, horizontal for everything else?
 787     wxStdDialogButtonSizer();
 788
 789     // Checks button ID against system IDs and sets one of the pointers below
 790     // to this button. Does not do any sizer-related things here.
 791     void AddButton(wxButton *button);
 792
 793     // Use these if no standard ID can/should be used
 794     void SetAffirmativeButton( wxButton *button );
 795     void SetNegativeButton( wxButton *button );
 796     void SetCancelButton( wxButton *button );
 797
 798     // All platform-specific code here, checks which buttons exist and add
 799     // them to the sizer accordingly.
 800     // Note - one potential hack on Mac we could use here,
 801     // if m_buttonAffirmative is wxID_SAVE then ensure wxID_SAVE
 802     // is set to _("Save") and m_buttonNegative is set to _("Don't Save")
 803     // I wouldn't add any other hacks like that into here,
 804     // but this one I can see being useful.
 805     void Realize();
 806
 807     wxButton *GetAffirmativeButton() const { return m_buttonAffirmative; }
 808     wxButton *GetApplyButton() const { return m_buttonApply; }
 809     wxButton *GetNegativeButton() const { return m_buttonNegative; }
 810     wxButton *GetCancelButton() const { return m_buttonCancel; }
 811     wxButton *GetHelpButton() const { return m_buttonHelp; }
 812
 813 protected:
 814     wxButton *m_buttonAffirmative;  // wxID_OK, wxID_YES, wxID_SAVE go here
 815     wxButton *m_buttonApply;
 816     wxButton *m_buttonNegative;     // wxID_NO
 817     wxButton *m_buttonCancel;
 818     wxButton *m_buttonHelp;
 819
 820 private:
 821     DECLARE_CLASS(wxStdDialogButtonSizer)
 822     DECLARE_NO_COPY_CLASS(wxStdDialogButtonSizer)
 823 };
 824
 825 #endif // wxUSE_BUTTON
 826
 827 #if WXWIN_COMPATIBILITY_2_4
 828 // NB: wxBookCtrlSizer and wxNotebookSizer are deprecated, they
 829 //     don't do anything. wxBookCtrlBase::DoGetBestSize does the job now.
 830
 831 // ----------------------------------------------------------------------------
 832 // wxBookCtrlSizer
 833 // ----------------------------------------------------------------------------
 834
 835 #if wxUSE_BOOKCTRL
 836
 837 // this sizer works with wxNotebook/wxListbook/... and sizes the control to
 838 // fit its pages
 839 class WXDLLEXPORT wxBookCtrlBase;
 840
 841 class WXDLLEXPORT wxBookCtrlSizer : public wxSizer
 842 {
 843 public:
 844 #if WXWIN_COMPATIBILITY_2_6
 845     wxDEPRECATED( wxBookCtrlSizer(wxBookCtrlBase *bookctrl) );
 846 #endif // WXWIN_COMPATIBILITY_2_6
 847
 848     wxBookCtrlBase *GetControl() const { return m_bookctrl; }
 849
 850     virtual void RecalcSizes();
 851     virtual wxSize CalcMin();
 852
 853 protected:
 854     // this protected ctor lets us mark the real one above as deprecated
 855     // and still have warning-free build of the library itself:
 856     wxBookCtrlSizer() {}
 857
 858     wxBookCtrlBase *m_bookctrl;
 859
 860 private:
 861     DECLARE_CLASS(wxBookCtrlSizer)
 862     DECLARE_NO_COPY_CLASS(wxBookCtrlSizer)
 863 };
 864
 865
 866 #if wxUSE_NOTEBOOK
 867
 868 // before wxBookCtrlBase we only had wxNotebookSizer, keep it for backwards
 869 // compatibility
 870 class WXDLLEXPORT wxNotebook;
 871
 872 class WXDLLEXPORT wxNotebookSizer : public wxBookCtrlSizer
 873 {
 874 public:
 875 #if WXWIN_COMPATIBILITY_2_6
 876     wxDEPRECATED( wxNotebookSizer(wxNotebook *nb) );
 877 #endif // WXWIN_COMPATIBILITY_2_6
 878
 879     wxNotebook *GetNotebook() const { return (wxNotebook *)m_bookctrl; }
 880
 881 private:
 882     DECLARE_CLASS(wxNotebookSizer)
 883     DECLARE_NO_COPY_CLASS(wxNotebookSizer)
 884 };
 885
 886 #endif // wxUSE_NOTEBOOK
 887
 888 #endif // wxUSE_BOOKCTRL
 889
 890 #endif // WXWIN_COMPATIBILITY_2_4
 891
 892 // ----------------------------------------------------------------------------
 893 // inline functions implementation
 894 // ----------------------------------------------------------------------------
 895
 896 inline wxSizerItem*
 897 wxSizer::Add( wxSizerItem *item )
 898 {
 899     return Insert( m_children.GetCount(), item );
 900 }
 901
 902 inline wxSizerItem*
 903 wxSizer::Add( wxWindow *window, int proportion, int flag, int border, wxObject* userData )
 904 {
 905     return Add( new wxSizerItem( window, proportion, flag, border, userData ) );
 906 }
 907
 908 inline wxSizerItem*
 909 wxSizer::Add( wxSizer *sizer, int proportion, int flag, int border, wxObject* userData )
 910 {
 911     return Add( new wxSizerItem( sizer, proportion, flag, border, userData ) );
 912 }
 913
 914 inline wxSizerItem*
 915 wxSizer::Add( int width, int height, int proportion, int flag, int border, wxObject* userData )
 916 {
 917     return Add( new wxSizerItem( width, height, proportion, flag, border, userData ) );
 918 }
 919
 920 inline wxSizerItem*
 921 wxSizer::Add( wxWindow *window, const wxSizerFlags& flags )
 922 {
 923     return Add( new wxSizerItem(window, flags) );
 924 }
 925
 926 inline wxSizerItem*
 927 wxSizer::Add( wxSizer *sizer, const wxSizerFlags& flags )
 928 {
 929     return Add( new wxSizerItem(sizer, flags) );
 930 }
 931
 932 inline wxSizerItem*
 933 wxSizer::AddSpacer(int size)
 934 {
 935     return Add(size, size);
 936 }
 937
 938 inline wxSizerItem*
 939 wxSizer::AddStretchSpacer(int prop)
 940 {
 941     return Add(0, 0, prop);
 942 }
 943
 944 inline wxSizerItem*
 945 wxSizer::Prepend( wxSizerItem *item )
 946 {
 947     return Insert( 0, item );
 948 }
 949
 950 inline wxSizerItem*
 951 wxSizer::Prepend( wxWindow *window, int proportion, int flag, int border, wxObject* userData )
 952 {
 953     return Prepend( new wxSizerItem( window, proportion, flag, border, userData ) );
 954 }
 955
 956 inline wxSizerItem*
 957 wxSizer::Prepend( wxSizer *sizer, int proportion, int flag, int border, wxObject* userData )
 958 {
 959     return Prepend( new wxSizerItem( sizer, proportion, flag, border, userData ) );
 960 }
 961
 962 inline wxSizerItem*
 963 wxSizer::Prepend( int width, int height, int proportion, int flag, int border, wxObject* userData )
 964 {
 965     return Prepend( new wxSizerItem( width, height, proportion, flag, border, userData ) );
 966 }
 967
 968 inline wxSizerItem*
 969 wxSizer::PrependSpacer(int size)
 970 {
 971     return Prepend(size, size);
 972 }
 973
 974 inline wxSizerItem*
 975 wxSizer::PrependStretchSpacer(int prop)
 976 {
 977     return Prepend(0, 0, prop);
 978 }
 979
 980 inline wxSizerItem*
 981 wxSizer::Prepend( wxWindow *window, const wxSizerFlags& flags )
 982 {
 983     return Prepend( new wxSizerItem(window, flags) );
 984 }
 985
 986 inline wxSizerItem*
 987 wxSizer::Prepend( wxSizer *sizer, const wxSizerFlags& flags )
 988 {
 989     return Prepend( new wxSizerItem(sizer, flags) );
 990 }
 991
 992 inline wxSizerItem*
 993 wxSizer::Insert( size_t index,
 994                  wxWindow *window,
 995                  int proportion,
 996                  int flag,
 997                  int border,
 998                  wxObject* userData )
 999 {
1000     return Insert( index, new wxSizerItem( window, proportion, flag, border, userData ) );
1001 }
1002
1003 inline wxSizerItem*
1004 wxSizer::Insert( size_t index,
1005                  wxSizer *sizer,
1006                  int proportion,
1007                  int flag,
1008                  int border,
1009                  wxObject* userData )
1010 {
1011     return Insert( index, new wxSizerItem( sizer, proportion, flag, border, userData ) );
1012 }
1013
1014 inline wxSizerItem*
1015 wxSizer::Insert( size_t index,
1016                  int width,
1017                  int height,
1018                  int proportion,
1019                  int flag,
1020                  int border,
1021                  wxObject* userData )
1022 {
1023     return Insert( index, new wxSizerItem( width, height, proportion, flag, border, userData ) );
1024 }
1025
1026 inline wxSizerItem*
1027 wxSizer::Insert( size_t index, wxWindow *window, const wxSizerFlags& flags )
1028 {
1029     return Insert( index, new wxSizerItem(window, flags) );
1030 }
1031
1032 inline wxSizerItem*
1033 wxSizer::Insert( size_t index, wxSizer *sizer, const wxSizerFlags& flags )
1034 {
1035     return Insert( index, new wxSizerItem(sizer, flags) );
1036 }
1037
1038 inline wxSizerItem*
1039 wxSizer::InsertSpacer(size_t index, int size)
1040 {
1041     return Insert(index, size, size);
1042 }
1043
1044 inline wxSizerItem*
1045 wxSizer::InsertStretchSpacer(size_t index, int prop)
1046 {
1047     return Insert(index, 0, 0, prop);
1048 }
1049
1050
1051 #endif // __WXSIZER_H__