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