1 /////////////////////////////////////////////////////////////////////////////// 
   2 // Name:        src/univ/window.cpp 
   3 // Purpose:     implementation of extra wxWindow methods for wxUniv port 
   4 // Author:      Vadim Zeitlin 
   8 // Copyright:   (c) 2000 SciTech Software, Inc. (www.scitechsoft.com) 
   9 // Licence:     wxWindows licence 
  10 /////////////////////////////////////////////////////////////////////////////// 
  12 // =========================================================================== 
  14 // =========================================================================== 
  16 // --------------------------------------------------------------------------- 
  18 // --------------------------------------------------------------------------- 
  20 // For compilers that support precompilation, includes "wx.h". 
  21 #include "wx/wxprec.h" 
  27 #include "wx/window.h" 
  31     #include "wx/dcclient.h" 
  32     #include "wx/dcmemory.h" 
  34     #include "wx/scrolbar.h" 
  40 #include "wx/univ/colschem.h" 
  41 #include "wx/univ/renderer.h" 
  42 #include "wx/univ/theme.h" 
  48 // turn Refresh() debugging on/off 
  49 #define WXDEBUG_REFRESH 
  52     #undef WXDEBUG_REFRESH 
  55 #if defined(WXDEBUG_REFRESH) && defined(__WXMSW__) && !defined(__WXMICROWIN__) 
  56 #include "wx/msw/private.h" 
  59 // ============================================================================ 
  61 // ============================================================================ 
  63 // ---------------------------------------------------------------------------- 
  65 // ---------------------------------------------------------------------------- 
  67 // This is scrollbar class used to implement wxWindow's "built-in" scrollbars; 
  68 // unlike the standard wxScrollBar class, this one is positioned outside of its 
  69 // parent's client area 
  70 class wxWindowScrollBar 
: public wxScrollBar
 
  73     wxWindowScrollBar(wxWindow 
*parent
, 
  75                       const wxPoint
& pos 
= wxDefaultPosition
, 
  76                       const wxSize
& size 
= wxDefaultSize
, 
  77                       long style 
= wxSB_HORIZONTAL
) 
  78         : wxScrollBar(parent
, id
, pos
, size
, style
) 
  82     virtual bool CanBeOutsideClientArea() const { return true; } 
  86 // ---------------------------------------------------------------------------- 
  88 // ---------------------------------------------------------------------------- 
  90 // we can't use wxWindowNative here as it won't be expanded inside the macro 
  91 #if defined(__WXMSW__) 
  92     IMPLEMENT_DYNAMIC_CLASS(wxWindow
, wxWindowMSW
) 
  93 #elif defined(__WXGTK__) 
  94     IMPLEMENT_DYNAMIC_CLASS(wxWindow
, wxWindowGTK
) 
  95 #elif defined(__WXMGL__) 
  96     IMPLEMENT_DYNAMIC_CLASS(wxWindow
, wxWindowMGL
) 
  97 #elif defined(__WXDFB__) 
  98     IMPLEMENT_DYNAMIC_CLASS(wxWindow
, wxWindowDFB
) 
  99 #elif defined(__WXX11__) 
 100     IMPLEMENT_DYNAMIC_CLASS(wxWindow
, wxWindowX11
) 
 101 #elif defined(__WXPM__) 
 102     IMPLEMENT_DYNAMIC_CLASS(wxWindow
, wxWindowOS2
) 
 105 BEGIN_EVENT_TABLE(wxWindow
, wxWindowNative
) 
 106     EVT_SIZE(wxWindow::OnSize
) 
 108 #if wxUSE_ACCEL || wxUSE_MENUS 
 109     EVT_KEY_DOWN(wxWindow::OnKeyDown
) 
 110 #endif // wxUSE_ACCEL 
 113     EVT_CHAR(wxWindow::OnChar
) 
 114     EVT_KEY_UP(wxWindow::OnKeyUp
) 
 115 #endif // wxUSE_MENUS 
 117     EVT_PAINT(wxWindow::OnPaint
) 
 118     EVT_NC_PAINT(wxWindow::OnNcPaint
) 
 119     EVT_ERASE_BACKGROUND(wxWindow::OnErase
) 
 122 // ---------------------------------------------------------------------------- 
 124 // ---------------------------------------------------------------------------- 
 126 void wxWindow::Init() 
 130     m_scrollbarHorz 
= (wxScrollBar 
*)NULL
; 
 131 #endif // wxUSE_SCROLLBAR 
 135     m_renderer 
= wxTheme::Get()->GetRenderer(); 
 137     m_oldSize
.x 
= wxDefaultCoord
; 
 138     m_oldSize
.y 
= wxDefaultCoord
; 
 141 bool wxWindow::Create(wxWindow 
*parent
, 
 146                       const wxString
& name
) 
 148     // Get default border 
 149     wxBorder border 
= GetBorder(style
); 
 150     style 
&= ~wxBORDER_MASK
; 
 153     long actualStyle 
= style
; 
 155     // we add wxCLIP_CHILDREN to get the same ("natural") behaviour under MSW 
 156     // as under the other platforms 
 157     actualStyle 
|= wxCLIP_CHILDREN
; 
 159     actualStyle 
&= ~wxVSCROLL
; 
 160     actualStyle 
&= ~wxHSCROLL
; 
 163     // without this, borders (non-client areas in general) are not repainted 
 164     // correctly when resizing; apparently, native NC areas are fully repainted 
 165     // even without this style by MSW, but wxUniv implements client area 
 166     // itself, so it doesn't work correctly for us 
 168     // FIXME: this is very expensive, we need to fix the (commented-out) code 
 169     //        in OnSize() instead 
 170     actualStyle 
|= wxFULL_REPAINT_ON_RESIZE
; 
 173     if ( !wxWindowNative::Create(parent
, id
, pos
, size
, actualStyle
, name
) ) 
 176     // Set full style again, including those we didn't want present 
 177     // when calling the base window Create(). 
 178     wxWindowBase::SetWindowStyleFlag(style
); 
 180     // if we allow or should always have a vertical scrollbar, make it 
 181     if ( style 
& wxVSCROLL 
|| style 
& wxALWAYS_SHOW_SB 
) 
 183 #if wxUSE_TWO_WINDOWS 
 184         SetInsertIntoMain( true ); 
 187         m_scrollbarVert 
= new wxWindowScrollBar(this, wxID_ANY
, 
 188                                                 wxDefaultPosition
, wxDefaultSize
, 
 190 #endif // wxUSE_SCROLLBAR 
 191 #if wxUSE_TWO_WINDOWS 
 192         SetInsertIntoMain( false ); 
 196     // if we should allow a horizontal scrollbar, make it 
 197     if ( style 
& wxHSCROLL 
) 
 199 #if wxUSE_TWO_WINDOWS 
 200         SetInsertIntoMain( true ); 
 203         m_scrollbarHorz 
= new wxWindowScrollBar(this, wxID_ANY
, 
 204                                                 wxDefaultPosition
, wxDefaultSize
, 
 206 #endif // wxUSE_SCROLLBAR 
 207 #if wxUSE_TWO_WINDOWS 
 208         SetInsertIntoMain( false ); 
 213     if (m_scrollbarHorz 
|| m_scrollbarVert
) 
 216         PositionScrollbars(); 
 218 #endif // wxUSE_SCROLLBAR 
 223 wxWindow::~wxWindow() 
 225     m_isBeingDeleted 
= true; 
 228     // clear pointers to scrollbar before deleting the children: they are 
 229     // children and so will be deleted by DestroyChildren() call below and if 
 230     // any code using the scrollbars would be called in the process or from 
 231     // ~wxWindowBase, the app would crash: 
 232     m_scrollbarVert 
= m_scrollbarHorz 
= NULL
; 
 235     // we have to destroy our children before we're destroyed because our 
 236     // children suppose that we're of type wxWindow, not just wxWindowNative, 
 237     // and so bad things may happen if they're deleted from the base class dtor 
 238     // as by then we're not a wxWindow any longer and wxUniv-specific virtual 
 239     // functions can't be called 
 243 // ---------------------------------------------------------------------------- 
 245 // ---------------------------------------------------------------------------- 
 247 void wxWindow::SetBackground(const wxBitmap
& bitmap
, 
 252     m_alignBgBitmap 
= alignment
; 
 253     m_stretchBgBitmap 
= stretch
; 
 256 const wxBitmap
& wxWindow::GetBackgroundBitmap(int *alignment
, 
 257                                                wxStretch 
*stretch
) const 
 259     if ( m_bitmapBg
.Ok() ) 
 262             *alignment 
= m_alignBgBitmap
; 
 264             *stretch 
= m_stretchBgBitmap
; 
 270 // ---------------------------------------------------------------------------- 
 272 // ---------------------------------------------------------------------------- 
 274 // the event handlers executed when the window must be repainted 
 275 void wxWindow::OnNcPaint(wxNcPaintEvent
& WXUNUSED(event
)) 
 279         // get the window rect 
 280         wxRect 
rect(GetSize()); 
 283         // if the scrollbars are outside the border, we must adjust the rect to 
 285         if ( !m_renderer
->AreScrollbarsInsideBorder() ) 
 287             wxScrollBar 
*scrollbar 
= GetScrollbar(wxVERTICAL
); 
 289                 rect
.width 
-= scrollbar
->GetSize().x
; 
 291             scrollbar 
= GetScrollbar(wxHORIZONTAL
); 
 293                 rect
.height 
-= scrollbar
->GetSize().y
; 
 295 #endif // wxUSE_SCROLLBAR 
 297         // get the DC and draw the border on it 
 299         DoDrawBorder(dc
, rect
); 
 303 void wxWindow::OnPaint(wxPaintEvent
& event
) 
 307         // it is a native control which paints itself 
 312         // get the DC to use and create renderer on it 
 314         wxControlRenderer 
renderer(this, dc
, m_renderer
); 
 321 // the event handler executed when the window background must be painted 
 322 void wxWindow::OnErase(wxEraseEvent
& event
) 
 331     DoDrawBackground(*event
.GetDC()); 
 334     // if we have both scrollbars, we also have a square in the corner between 
 335     // them which we must paint 
 336     if ( m_scrollbarVert 
&& m_scrollbarHorz 
) 
 338         wxSize size 
= GetSize(); 
 339         wxRect rectClient 
= GetClientRect(), 
 340                rectBorder 
= m_renderer
->GetBorderDimensions(GetBorder()); 
 343         rectCorner
.x 
= rectClient
.GetRight() + 1; 
 344         rectCorner
.y 
= rectClient
.GetBottom() + 1; 
 345         rectCorner
.SetRight(size
.x 
- rectBorder
.width
); 
 346         rectCorner
.SetBottom(size
.y 
- rectBorder
.height
); 
 348         if ( GetUpdateRegion().Contains(rectCorner
) ) 
 350             m_renderer
->DrawScrollCorner(*event
.GetDC(), rectCorner
); 
 353 #endif // wxUSE_SCROLLBAR 
 356 bool wxWindow::DoDrawBackground(wxDC
& dc
) 
 360     wxSize size 
= GetSize();  // Why not GetClientSize() ? 
 364     rect
.height 
= size
.y
; 
 366     wxWindow 
* const parent 
= GetParent(); 
 367     if ( HasTransparentBackground() && !UseBgCol() && parent 
) 
 369         // DirectFB paints the parent first, then its child windows, so by 
 370         // the time this code is called, parent's background was already 
 371         // drawn and there's no point in (imperfectly!) duplicating the work 
 374         wxASSERT( !IsTopLevel() ); 
 376         wxPoint pos 
= GetPosition(); 
 378         AdjustForParentClientOrigin( pos
.x
, pos
.y
, 0 ); 
 380         // Adjust DC logical origin 
 381         wxCoord org_x
, org_y
, x
, y
; 
 382         dc
.GetLogicalOrigin( &org_x
, &org_y 
); 
 385         dc
.SetLogicalOrigin( x
, y 
); 
 391         // Let parent draw the background 
 392         parent
->EraseBackground( dc
, rect 
); 
 394         // Restore DC logical origin 
 395         dc
.SetLogicalOrigin( org_x
, org_y 
); 
 400         // Draw background ourselves 
 401         EraseBackground( dc
, rect 
); 
 407 void wxWindow::EraseBackground(wxDC
& dc
, const wxRect
& rect
) 
 409     if ( GetBackgroundBitmap().Ok() ) 
 411         // Get the bitmap and the flags 
 414         wxBitmap bmp 
= GetBackgroundBitmap(&alignment
, &stretch
); 
 415         wxControlRenderer::DrawBitmap(dc
, bmp
, rect
, alignment
, stretch
); 
 419         // Just fill it with bg colour if no bitmap 
 421         m_renderer
->DrawBackground(dc
, wxTHEME_BG_COLOUR(this), 
 422                                    rect
, GetStateFlags()); 
 426 void wxWindow::DoDrawBorder(wxDC
& dc
, const wxRect
& rect
) 
 428     // draw outline unless the update region is enitrely inside it in which 
 429     // case we don't need to do it 
 430 #if 0 // doesn't seem to work, why? 
 431     if ( wxRegion(rect
).Contains(GetUpdateRegion().GetBox()) != wxInRegion 
) 
 434         m_renderer
->DrawBorder(dc
, GetBorder(), rect
, GetStateFlags()); 
 438 void wxWindow::DoDraw(wxControlRenderer 
* WXUNUSED(renderer
)) 
 442 void wxWindow::Refresh(bool eraseBackground
, const wxRect 
*rect
) 
 444     wxRect rectClient
; // the same rectangle in client coordinates 
 445     wxPoint origin 
= GetClientAreaOrigin(); 
 447     wxSize size 
= GetClientSize(); 
 451         // the rectangle passed as argument is in client coordinates 
 454         // don't refresh anything beyond the client area (scrollbars for 
 456         if ( rectClient
.GetRight() > size
.x 
) 
 457             rectClient
.SetRight(size
.x
); 
 458         if ( rectClient
.GetBottom() > size
.y 
) 
 459             rectClient
.SetBottom(size
.y
); 
 462     else // refresh the entire client area 
 464         // x,y is already set to 0 by default 
 465         rectClient
.SetSize(size
); 
 468     // convert refresh rectangle to window coordinates: 
 469     wxRect 
rectWin(rectClient
); 
 470     rectWin
.Offset(origin
); 
 473 #ifdef WXDEBUG_REFRESH 
 474     static bool s_refreshDebug 
= false; 
 475     if ( s_refreshDebug 
) 
 478         dc
.SetBrush(*wxCYAN_BRUSH
); 
 479         dc
.SetPen(*wxTRANSPARENT_PEN
); 
 480         dc
.DrawRectangle(rectWin
); 
 482         // under Unix we use "--sync" X option for this 
 483         #if defined(__WXMSW__) && !defined(__WXMICROWIN__) 
 488 #endif // WXDEBUG_REFRESH 
 490     wxWindowNative::Refresh(eraseBackground
, &rectWin
); 
 492     // Refresh all sub controls if any. 
 493     wxWindowList
& children 
= GetChildren(); 
 494     for ( wxWindowList::iterator i 
= children
.begin(); i 
!= children
.end(); ++i 
) 
 496         wxWindow 
*child 
= *i
; 
 497         // only refresh subcontrols if they are visible: 
 498         if ( child
->IsTopLevel() || !child
->IsShown() || child
->IsFrozen() ) 
 501         // ...and when the subcontrols are in the update region: 
 502         wxRect 
childrect(child
->GetRect()); 
 503         childrect
.Intersect(rectClient
); 
 504         if ( childrect
.IsEmpty() ) 
 507         // refresh the subcontrol now: 
 508         childrect
.Offset(-child
->GetPosition()); 
 509         // NB: We must call wxWindowNative version because we need to refresh 
 510         //     the entire control, not just its client area, and this is why we 
 511         //     don't account for child client area origin here neither. Also 
 512         //     note that we don't pass eraseBackground to the child, but use 
 513         //     true instead: this is because we can't be sure that 
 514         //     eraseBackground=false is safe for children as well and not only 
 516         child
->wxWindowNative::Refresh(eraseBackground
, &childrect
); 
 520 // ---------------------------------------------------------------------------- 
 522 // ---------------------------------------------------------------------------- 
 524 bool wxWindow::Enable(bool enable
) 
 526     if ( !wxWindowNative::Enable(enable
) ) 
 529     // disabled window can't keep focus 
 530     if ( FindFocus() == this && GetParent() != NULL 
) 
 532         GetParent()->SetFocus(); 
 537         // a window with renderer is drawn by ourselves and it has to be 
 538         // refreshed to reflect its new status 
 545 bool wxWindow::IsFocused() const 
 547     return FindFocus() == this; 
 550 bool wxWindow::IsPressed() const 
 555 bool wxWindow::IsDefault() const 
 560 bool wxWindow::IsCurrent() const 
 565 bool wxWindow::SetCurrent(bool doit
) 
 567     if ( doit 
== m_isCurrent 
) 
 572     if ( CanBeHighlighted() ) 
 578 int wxWindow::GetStateFlags() const 
 582         flags 
|= wxCONTROL_DISABLED
; 
 584     // the following states are only possible if our application is active - if 
 585     // it is not, even our default/focused controls shouldn't appear as such 
 586     if ( wxTheApp
->IsActive() ) 
 589             flags 
|= wxCONTROL_CURRENT
; 
 591             flags 
|= wxCONTROL_FOCUSED
; 
 593             flags 
|= wxCONTROL_PRESSED
; 
 595             flags 
|= wxCONTROL_ISDEFAULT
; 
 601 // ---------------------------------------------------------------------------- 
 603 // ---------------------------------------------------------------------------- 
 605 void wxWindow::OnSize(wxSizeEvent
& event
) 
 610     if ( m_scrollbarVert 
|| m_scrollbarHorz 
) 
 612         PositionScrollbars(); 
 614 #endif // wxUSE_SCROLLBAR 
 616 #if 0   // ndef __WXMSW__ 
 617     // Refresh the area (strip) previously occupied by the border 
 619     if ( !HasFlag(wxFULL_REPAINT_ON_RESIZE
) && IsShown() ) 
 621         // This code assumes that wxSizeEvent.GetSize() returns 
 622         // the area of the entire window, not just the client 
 624         wxSize newSize 
= event
.GetSize(); 
 626         if (m_oldSize
.x 
== wxDefaultCoord 
&& m_oldSize
.y 
== wxDefaultCoord
) 
 632         if (HasFlag( wxSIMPLE_BORDER 
)) 
 634             if (newSize
.y 
> m_oldSize
.y
) 
 638                 rect
.width 
= m_oldSize
.x
; 
 639                 rect
.y 
= m_oldSize
.y
-2; 
 641                 Refresh( true, &rect 
); 
 643             else if (newSize
.y 
< m_oldSize
.y
) 
 649                 rect
.width 
= newSize
.x
; 
 650                 wxWindowNative::Refresh( true, &rect 
); 
 653             if (newSize
.x 
> m_oldSize
.x
) 
 657                 rect
.height 
= m_oldSize
.y
; 
 658                 rect
.x 
= m_oldSize
.x
-2; 
 660                 Refresh( true, &rect 
); 
 662             else if (newSize
.x 
< m_oldSize
.x
) 
 668                 rect
.height 
= newSize
.y
; 
 669                 wxWindowNative::Refresh( true, &rect 
); 
 673         if (HasFlag( wxSUNKEN_BORDER 
) || HasFlag( wxRAISED_BORDER 
) || HasFlag( wxBORDER_THEME 
)) 
 675             if (newSize
.y 
> m_oldSize
.y
) 
 679                 rect
.width 
= m_oldSize
.x
; 
 680                 rect
.y 
= m_oldSize
.y
-4; 
 682                 Refresh( true, &rect 
); 
 684             else if (newSize
.y 
< m_oldSize
.y
) 
 690                 rect
.width 
= newSize
.x
; 
 691                 wxWindowNative::Refresh( true, &rect 
); 
 694             if (newSize
.x 
> m_oldSize
.x
) 
 698                 rect
.height 
= m_oldSize
.y
; 
 699                 rect
.x 
= m_oldSize
.x
-4; 
 701                 Refresh( true, &rect 
); 
 703             else if (newSize
.x 
< m_oldSize
.x
) 
 709                 rect
.height 
= newSize
.y
; 
 710                 wxWindowNative::Refresh( true, &rect 
); 
 719 wxSize 
wxWindow::DoGetBestSize() const 
 721     return AdjustSize(DoGetBestClientSize()); 
 724 wxSize 
wxWindow::DoGetBestClientSize() const 
 726     return wxWindowNative::DoGetBestSize(); 
 729 wxSize 
wxWindow::AdjustSize(const wxSize
& size
) const 
 733         m_renderer
->AdjustSize(&sz
, this); 
 737 wxPoint 
wxWindow::GetClientAreaOrigin() const 
 739     wxPoint pt 
= wxWindowBase::GetClientAreaOrigin(); 
 741 #if wxUSE_TWO_WINDOWS 
 744         pt 
+= m_renderer
->GetBorderDimensions(GetBorder()).GetPosition(); 
 750 void wxWindow::DoGetClientSize(int *width
, int *height
) const 
 752     // if it is a native window, we assume it handles the scrollbars itself 
 753     // too - and if it doesn't, there is not much we can do 
 756         wxWindowNative::DoGetClientSize(width
, height
); 
 762     wxWindowNative::DoGetClientSize(&w
, &h
); 
 764     // we assume that the scrollbars are positioned correctly (by a previous 
 765     // call to PositionScrollbars()) here 
 769         rectBorder 
= m_renderer
->GetBorderDimensions(GetBorder()); 
 774         // in any case, take account of the scrollbar 
 775         if ( m_scrollbarVert 
) 
 776             w 
-= m_scrollbarVert
->GetSize().x
; 
 777 #endif // wxUSE_SCROLLBAR 
 779         // account for the left and right borders 
 780         *width 
= w 
- rectBorder
.x 
- rectBorder
.width
; 
 782         // we shouldn't return invalid width 
 790         if ( m_scrollbarHorz 
) 
 791             h 
-= m_scrollbarHorz
->GetSize().y
; 
 792 #endif // wxUSE_SCROLLBAR 
 794         *height 
= h 
- rectBorder
.y 
- rectBorder
.height
; 
 796         // we shouldn't return invalid height 
 802 void wxWindow::DoSetClientSize(int width
, int height
) 
 804     // take into account the borders 
 805     wxRect rectBorder 
= m_renderer
->GetBorderDimensions(GetBorder()); 
 806     width 
+= rectBorder
.x
; 
 807     height 
+= rectBorder
.y
; 
 809     // and the scrollbars (as they may be offset into the border, use the 
 810     // scrollbar position, not size - this supposes that PositionScrollbars() 
 811     // had been called before) 
 812     wxSize size 
= GetSize(); 
 814     if ( m_scrollbarVert 
) 
 815         width 
+= size
.x 
- m_scrollbarVert
->GetPosition().x
; 
 816 #endif // wxUSE_SCROLLBAR 
 817     width 
+= rectBorder
.width
; 
 820     if ( m_scrollbarHorz 
) 
 821         height 
+= size
.y 
- m_scrollbarHorz
->GetPosition().y
; 
 822 #endif // wxUSE_SCROLLBAR 
 823     height 
+= rectBorder
.height
; 
 825     wxWindowNative::DoSetClientSize(width
, height
); 
 828 wxHitTest 
wxWindow::DoHitTest(wxCoord x
, wxCoord y
) const 
 830     wxHitTest ht 
= wxWindowNative::DoHitTest(x
, y
); 
 833     if ( ht 
== wxHT_WINDOW_INSIDE 
) 
 835         if ( m_scrollbarVert 
&& x 
>= m_scrollbarVert
->GetPosition().x 
) 
 837             // it can still be changed below because it may also be the corner 
 838             ht 
= wxHT_WINDOW_VERT_SCROLLBAR
; 
 841         if ( m_scrollbarHorz 
&& y 
>= m_scrollbarHorz
->GetPosition().y 
) 
 843             ht 
= ht 
== wxHT_WINDOW_VERT_SCROLLBAR 
? wxHT_WINDOW_CORNER
 
 844                                                   : wxHT_WINDOW_HORZ_SCROLLBAR
; 
 847 #endif // wxUSE_SCROLLBAR 
 852 // ---------------------------------------------------------------------------- 
 853 // scrolling: we implement it entirely ourselves except for ScrollWindow() 
 854 // function which is supposed to be (efficiently) implemented by the native 
 856 // ---------------------------------------------------------------------------- 
 858 void wxWindow::RefreshScrollbars() 
 861     if ( m_scrollbarHorz 
) 
 862         m_scrollbarHorz
->Refresh(); 
 864     if ( m_scrollbarVert 
) 
 865         m_scrollbarVert
->Refresh(); 
 866 #endif // wxUSE_SCROLLBAR 
 869 void wxWindow::PositionScrollbars() 
 872     // do not use GetClientSize/Rect as it relies on the scrollbars being 
 873     // correctly positioned 
 875     wxSize size 
= GetSize(); 
 876     wxBorder border 
= GetBorder(); 
 877     wxRect rectBorder 
= m_renderer
->GetBorderDimensions(border
); 
 878     bool inside 
= m_renderer
->AreScrollbarsInsideBorder(); 
 880     int height 
= m_scrollbarHorz 
? m_scrollbarHorz
->GetSize().y 
: 0; 
 881     int width 
= m_scrollbarVert 
? m_scrollbarVert
->GetSize().x 
: 0; 
 884     if ( m_scrollbarVert 
) 
 886         rectBar
.x 
= size
.x 
- width
; 
 888            rectBar
.x 
-= rectBorder
.width
; 
 889         rectBar
.width 
= width
; 
 892             rectBar
.y 
+= rectBorder
.y
; 
 893         rectBar
.height 
= size
.y 
- height
; 
 895             rectBar
.height 
-= rectBorder
.y 
+ rectBorder
.height
; 
 897         m_scrollbarVert
->SetSize(rectBar
, wxSIZE_NO_ADJUSTMENTS
); 
 900     if ( m_scrollbarHorz 
) 
 902         rectBar
.y 
= size
.y 
- height
; 
 904             rectBar
.y 
-= rectBorder
.height
; 
 905         rectBar
.height 
= height
; 
 908             rectBar
.x 
+= rectBorder
.x
; 
 909         rectBar
.width 
= size
.x 
- width
; 
 911             rectBar
.width 
-= rectBorder
.x 
+ rectBorder
.width
; 
 913         m_scrollbarHorz
->SetSize(rectBar
, wxSIZE_NO_ADJUSTMENTS
); 
 917 #endif // wxUSE_SCROLLBAR 
 920 void wxWindow::SetScrollbar(int orient
, 
 927     wxASSERT_MSG( pageSize 
<= range
, 
 928                     _T("page size can't be greater than range") ); 
 930     bool hasClientSizeChanged 
= false; 
 931     wxScrollBar 
*scrollbar 
= GetScrollbar(orient
); 
 932     if ( range 
&& (pageSize 
< range
) ) 
 937 #if wxUSE_TWO_WINDOWS 
 938             SetInsertIntoMain( true ); 
 940             scrollbar 
= new wxWindowScrollBar(this, wxID_ANY
, 
 941                                               wxDefaultPosition
, wxDefaultSize
, 
 942                                               orient 
& wxVERTICAL 
? wxSB_VERTICAL
 
 944 #if wxUSE_TWO_WINDOWS 
 945             SetInsertIntoMain( false ); 
 947             if ( orient 
& wxVERTICAL 
) 
 948                 m_scrollbarVert 
= scrollbar
; 
 950                 m_scrollbarHorz 
= scrollbar
; 
 952             // the client area diminished as we created a scrollbar 
 953             hasClientSizeChanged 
= true; 
 955             PositionScrollbars(); 
 957         else if ( GetWindowStyle() & wxALWAYS_SHOW_SB 
) 
 959             // we might have disabled it before 
 963         scrollbar
->SetScrollbar(pos
, pageSize
, range
, pageSize
, refresh
); 
 965     else // no range means no scrollbar 
 969             // wxALWAYS_SHOW_SB only applies to the vertical scrollbar 
 970             if ( (orient 
& wxVERTICAL
) && (GetWindowStyle() & wxALWAYS_SHOW_SB
) ) 
 972                 // just disable the scrollbar 
 973                 scrollbar
->SetScrollbar(pos
, pageSize
, range
, pageSize
, refresh
); 
 974                 scrollbar
->Disable(); 
 976             else // really remove the scrollbar 
 980                 if ( orient 
& wxVERTICAL 
) 
 981                     m_scrollbarVert 
= NULL
; 
 983                     m_scrollbarHorz 
= NULL
; 
 985                 // the client area increased as we removed a scrollbar 
 986                 hasClientSizeChanged 
= true; 
 988                 // the size of the remaining scrollbar must be adjusted 
 989                 if ( m_scrollbarHorz 
|| m_scrollbarVert 
) 
 991                     PositionScrollbars(); 
 997     // give the window a chance to relayout 
 998     if ( hasClientSizeChanged 
) 
1000 #if wxUSE_TWO_WINDOWS 
1001         wxWindowNative::SetSize( GetSize() ); 
1003         wxSizeEvent 
event(GetSize()); 
1004         (void)GetEventHandler()->ProcessEvent(event
); 
1008     wxUnusedVar(orient
); 
1010     wxUnusedVar(pageSize
); 
1012     wxUnusedVar(refresh
); 
1013 #endif // wxUSE_SCROLLBAR 
1016 void wxWindow::SetScrollPos(int orient
, int pos
, bool WXUNUSED(refresh
)) 
1019     wxScrollBar 
*scrollbar 
= GetScrollbar(orient
); 
1022         scrollbar
->SetThumbPosition(pos
); 
1024     // VZ: I think we can safely ignore this as we always refresh it 
1025     //     automatically whenever the value chanegs 
1031     wxUnusedVar(orient
); 
1033 #endif // wxUSE_SCROLLBAR 
1036 int wxWindow::GetScrollPos(int orient
) const 
1039     wxScrollBar 
*scrollbar 
= GetScrollbar(orient
); 
1040     return scrollbar 
? scrollbar
->GetThumbPosition() : 0; 
1042     wxUnusedVar(orient
); 
1044 #endif // wxUSE_SCROLLBAR 
1047 int wxWindow::GetScrollThumb(int orient
) const 
1050     wxScrollBar 
*scrollbar 
= GetScrollbar(orient
); 
1051     return scrollbar 
? scrollbar
->GetThumbSize() : 0; 
1053     wxUnusedVar(orient
); 
1055 #endif // wxUSE_SCROLLBAR 
1058 int wxWindow::GetScrollRange(int orient
) const 
1061     wxScrollBar 
*scrollbar 
= GetScrollbar(orient
); 
1062     return scrollbar 
? scrollbar
->GetRange() : 0; 
1064     wxUnusedVar(orient
); 
1066 #endif // wxUSE_SCROLLBAR 
1069 void wxWindow::ScrollWindow(int dx
, int dy
, const wxRect 
*rect
) 
1071     // use native scrolling when available and do it in generic way 
1075     wxWindowNative::ScrollWindow(dx
, dy
, rect
); 
1079     // before scrolling it, ensure that we don't have any unpainted areas 
1086         r 
= ScrollNoRefresh(dx
, 0, rect
); 
1087         Refresh(true /* erase bkgnd */, &r
); 
1092         r 
= ScrollNoRefresh(0, dy
, rect
); 
1093         Refresh(true /* erase bkgnd */, &r
); 
1096     // scroll children accordingly: 
1097     wxPoint 
offset(dx
, dy
); 
1099     for (wxWindowList::compatibility_iterator node 
= GetChildren().GetFirst(); 
1100          node
; node 
= node
->GetNext()) 
1102         wxWindow 
*child 
= node
->GetData(); 
1104         if ( child 
== m_scrollbarVert 
|| child 
== m_scrollbarHorz 
) 
1106 #endif // wxUSE_SCROLLBAR 
1108         // VS: Scrolling children has non-trivial semantics. If rect=NULL then 
1109         //     it is easy: we scroll all children. Otherwise it gets 
1111         //       1. if scrolling in one direction only, scroll only 
1112         //          those children that intersect shaft defined by the rectangle 
1113         //          and scrolling direction 
1114         //       2. if scrolling in both axes, scroll all children 
1116         bool shouldMove 
= false; 
1118         if ( rect 
&& (dx 
* dy 
== 0 /* moving in only one of x, y axis */) ) 
1120             wxRect childRect 
= child
->GetRect(); 
1121             if ( dx 
== 0 && (childRect
.GetLeft() <= rect
->GetRight() || 
1122                              childRect
.GetRight() >= rect
->GetLeft()) ) 
1126             else if ( dy 
== 0 && (childRect
.GetTop() <= rect
->GetBottom() || 
1127                                   childRect
.GetBottom() >= rect
->GetTop()) ) 
1131             // else: child outside of scrolling shaft, don't move 
1133         else // scrolling in both axes or rect=NULL 
1139             child
->Move(child
->GetPosition() + offset
, wxSIZE_ALLOW_MINUS_ONE
); 
1141 #endif // wxX11/!wxX11 
1144 wxRect 
wxWindow::ScrollNoRefresh(int dx
, int dy
, const wxRect 
*rectTotal
) 
1146     wxASSERT_MSG( !dx 
|| !dy
, _T("can't be used for diag scrolling") ); 
1148     // the rect to refresh (which we will calculate) 
1157     // calculate the part of the window which we can just redraw in the new 
1159     wxSize sizeTotal 
= rectTotal 
? rectTotal
->GetSize() : GetClientSize(); 
1161     wxLogTrace(_T("scroll"), _T("rect is %dx%d, scroll by %d, %d"), 
1162                sizeTotal
.x
, sizeTotal
.y
, dx
, dy
); 
1164     // the initial and end point of the region we move in client coords 
1165     wxPoint ptSource
, ptDest
; 
1168         ptSource 
= rectTotal
->GetPosition(); 
1169         ptDest 
= rectTotal
->GetPosition(); 
1172     // the size of this region 
1174     size
.x 
= sizeTotal
.x 
- abs(dx
); 
1175     size
.y 
= sizeTotal
.y 
- abs(dy
); 
1176     if ( size
.x 
<= 0 || size
.y 
<= 0 ) 
1178         // just redraw everything as nothing of the displayed image will stay 
1179         wxLogTrace(_T("scroll"), _T("refreshing everything")); 
1181         rect 
= rectTotal 
? *rectTotal 
: wxRect(0, 0, sizeTotal
.x
, sizeTotal
.y
); 
1183     else // move the part which doesn't change to the new location 
1185         // note that when we scroll the canvas in some direction we move the 
1186         // block which doesn't need to be refreshed in the opposite direction 
1190             // scroll to the right, move to the left 
1195             // scroll to the left, move to the right 
1201             // scroll down, move up 
1206             // scroll up, move down 
1211         // we need to hide the caret before moving or it will erase itself at 
1212         // the wrong (old) location 
1213         wxCaret 
*caret 
= GetCaret(); 
1216 #endif // wxUSE_CARET 
1219         wxClientDC 
dc(this); 
1220         wxBitmap 
bmp(size
.x
, size
.y
); 
1222         dcMem
.SelectObject(bmp
); 
1224         dcMem
.Blit(wxPoint(0,0), size
, &dc
, ptSource
 
1225 #if defined(__WXGTK__) && !defined(wxHAS_WORKING_GTK_DC_BLIT) 
1226                 + GetClientAreaOrigin() 
1227 #endif // broken wxGTK wxDC::Blit 
1229         dc
.Blit(ptDest
, size
, &dcMem
, wxPoint(0,0)); 
1231         wxLogTrace(_T("scroll"), 
1232                    _T("Blit: (%d, %d) of size %dx%d -> (%d, %d)"), 
1233                    ptSource
.x
, ptSource
.y
, 
1235                    ptDest
.x
, ptDest
.y
); 
1237         // and now repaint the uncovered area 
1239         // FIXME: We repaint the intersection of these rectangles twice - is 
1240         //        it bad? I don't think so as it is rare to scroll the window 
1241         //        diagonally anyhow and so adding extra logic to compute 
1242         //        rectangle intersection is probably not worth the effort 
1244         rect
.x 
= ptSource
.x
; 
1245         rect
.y 
= ptSource
.y
; 
1251                 // refresh the area along the right border 
1252                 rect
.x 
+= size
.x 
+ dx
; 
1257                 // refresh the area along the left border 
1261             rect
.height 
= sizeTotal
.y
; 
1263             wxLogTrace(_T("scroll"), _T("refreshing (%d, %d)-(%d, %d)"), 
1265                        rect
.GetRight() + 1, rect
.GetBottom() + 1); 
1272                 // refresh the area along the bottom border 
1273                 rect
.y 
+= size
.y 
+ dy
; 
1278                 // refresh the area along the top border 
1282             rect
.width 
= sizeTotal
.x
; 
1284             wxLogTrace(_T("scroll"), _T("refreshing (%d, %d)-(%d, %d)"), 
1286                        rect
.GetRight() + 1, rect
.GetBottom() + 1); 
1292 #endif // wxUSE_CARET 
1298 // ---------------------------------------------------------------------------- 
1299 // accelerators and menu hot keys 
1300 // ---------------------------------------------------------------------------- 
1303     // the last window over which Alt was pressed (used by OnKeyUp) 
1304     wxWindow 
*wxWindow::ms_winLastAltPress 
= NULL
; 
1305 #endif // wxUSE_MENUS 
1307 #if wxUSE_ACCEL || wxUSE_MENUS 
1309 void wxWindow::OnKeyDown(wxKeyEvent
& event
) 
1312     int key 
= event
.GetKeyCode(); 
1313     if ( !event
.ControlDown() && (key 
== WXK_ALT 
|| key 
== WXK_F10
) ) 
1315         ms_winLastAltPress 
= this; 
1317         // it can't be an accel anyhow 
1321     ms_winLastAltPress 
= NULL
; 
1322 #endif // wxUSE_MENUS 
1325     for ( wxWindow 
*win 
= this; win
; win 
= win
->GetParent() ) 
1327         int command 
= win
->GetAcceleratorTable()->GetCommand(event
); 
1328         if ( command 
!= -1 ) 
1330             wxCommandEvent 
eventCmd(wxEVT_COMMAND_MENU_SELECTED
, command
); 
1331             if ( win
->GetEventHandler()->ProcessEvent(eventCmd
) ) 
1333                 // skip "event.Skip()" below 
1338         if ( win
->IsTopLevel() ) 
1340             // try the frame menu bar 
1342             wxFrame 
*frame 
= wxDynamicCast(win
, wxFrame
); 
1345                 wxMenuBar 
*menubar 
= frame
->GetMenuBar(); 
1346                 if ( menubar 
&& menubar
->ProcessAccelEvent(event
) ) 
1348                     // skip "event.Skip()" below 
1352 #endif // wxUSE_MENUS 
1355             // if it wasn't in a menu, try to find a button 
1356             if ( command 
!= -1 ) 
1358                 wxWindow
* child 
= win
->FindWindow(command
); 
1359                 if ( child 
&& wxDynamicCast(child
, wxButton
) ) 
1361                     wxCommandEvent 
eventCmd(wxEVT_COMMAND_BUTTON_CLICKED
, command
); 
1362                     eventCmd
.SetEventObject(child
); 
1363                     if ( child
->GetEventHandler()->ProcessEvent(eventCmd
) ) 
1365                         // skip "event.Skip()" below 
1370 #endif // wxUSE_BUTTON 
1372             // don't propagate accels from the child frame to the parent one 
1376 #endif // wxUSE_ACCEL 
1381 #endif // wxUSE_ACCEL 
1385 wxMenuBar 
*wxWindow::GetParentFrameMenuBar() const 
1387     for ( const wxWindow 
*win 
= this; win
; win 
= win
->GetParent() ) 
1389         if ( win
->IsTopLevel() ) 
1391             wxFrame 
*frame 
= wxDynamicCast(win
, wxFrame
); 
1394                 return frame
->GetMenuBar(); 
1397             // don't look further - we don't want to return the menubar of the 
1406 void wxWindow::OnChar(wxKeyEvent
& event
) 
1408     if ( event
.AltDown() && !event
.ControlDown() ) 
1410         int key 
= event
.GetKeyCode(); 
1412         wxMenuBar 
*menubar 
= GetParentFrameMenuBar(); 
1415             int item 
= menubar
->FindNextItemForAccel(-1, key
); 
1418                 menubar
->PopupMenu((size_t)item
); 
1420                 // skip "event.Skip()" below 
1426     // if Return was pressed, see if there's a default button to activate 
1427     if ( !event
.HasModifiers() && event
.GetKeyCode() == WXK_RETURN 
) 
1430             tlw 
= wxDynamicCast(wxGetTopLevelParent(this), wxTopLevelWindow
); 
1433             wxButton 
*btn 
= wxDynamicCast(tlw
->GetDefaultItem(), wxButton
); 
1436                 wxCommandEvent 
evt(wxEVT_COMMAND_BUTTON_CLICKED
, btn
->GetId()); 
1437                 evt
.SetEventObject(btn
); 
1448 void wxWindow::OnKeyUp(wxKeyEvent
& event
) 
1450     int key 
= event
.GetKeyCode(); 
1451     if ( !event
.HasModifiers() && (key 
== WXK_ALT 
|| key 
== WXK_F10
) ) 
1453         // only process Alt release specially if there were no other key 
1454         // presses since Alt had been pressed and if both events happened in 
1456         if ( ms_winLastAltPress 
== this ) 
1458             wxMenuBar 
*menubar 
= GetParentFrameMenuBar(); 
1459             if ( menubar 
&& this != menubar 
) 
1461                 menubar
->SelectMenu(0); 
1470     // in any case reset it 
1471     ms_winLastAltPress 
= NULL
; 
1474 #endif // wxUSE_MENUS 
1476 // ---------------------------------------------------------------------------- 
1477 // MSW-specific section 
1478 // ---------------------------------------------------------------------------- 
1482 #include "wx/msw/private.h" 
1484 WXLRESULT 
wxWindow::MSWWindowProc(WXUINT message
, WXWPARAM wParam
, WXLPARAM lParam
) 
1486     if ( message 
== WM_NCHITTEST 
) 
1488         // the windows which contain the other windows should let the mouse 
1489         // events through, otherwise a window inside a static box would 
1490         // never get any events at all 
1491         if ( IsStaticBox() ) 
1493             return HTTRANSPARENT
; 
1497     return wxWindowNative::MSWWindowProc(message
, wParam
, lParam
);