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 long actualStyle
= style
;
150 // we add wxCLIP_CHILDREN to get the same ("natural") behaviour under MSW
151 // as under the other platforms
152 actualStyle
|= wxCLIP_CHILDREN
;
154 actualStyle
&= ~wxVSCROLL
;
155 actualStyle
&= ~wxHSCROLL
;
158 // without this, borders (non-client areas in general) are not repainted
159 // correctly when resizing; apparently, native NC areas are fully repainted
160 // even without this style by MSW, but wxUniv implements client area
161 // itself, so it doesn't work correctly for us
163 // FIXME: this is very expensive, we need to fix the (commented-out) code
164 // in OnSize() instead
165 actualStyle
|= wxFULL_REPAINT_ON_RESIZE
;
168 if ( !wxWindowNative::Create(parent
, id
, pos
, size
, actualStyle
, name
) )
171 // Set full style again, including those we didn't want present
172 // when calling the base window Create().
173 wxWindowBase::SetWindowStyleFlag(style
);
175 // if we allow or should always have a vertical scrollbar, make it
176 if ( style
& wxVSCROLL
|| style
& wxALWAYS_SHOW_SB
)
178 #if wxUSE_TWO_WINDOWS
179 SetInsertIntoMain( true );
182 m_scrollbarVert
= new wxWindowScrollBar(this, wxID_ANY
,
183 wxDefaultPosition
, wxDefaultSize
,
185 #endif // wxUSE_SCROLLBAR
186 #if wxUSE_TWO_WINDOWS
187 SetInsertIntoMain( false );
191 // if we should allow a horizontal scrollbar, make it
192 if ( style
& wxHSCROLL
)
194 #if wxUSE_TWO_WINDOWS
195 SetInsertIntoMain( true );
198 m_scrollbarHorz
= new wxWindowScrollBar(this, wxID_ANY
,
199 wxDefaultPosition
, wxDefaultSize
,
201 #endif // wxUSE_SCROLLBAR
202 #if wxUSE_TWO_WINDOWS
203 SetInsertIntoMain( false );
208 if (m_scrollbarHorz
|| m_scrollbarVert
)
211 PositionScrollbars();
213 #endif // wxUSE_SCROLLBAR
218 wxWindow::~wxWindow()
220 m_isBeingDeleted
= true;
223 // clear pointers to scrollbar before deleting the children: they are
224 // children and so will be deleted by DestroyChildren() call below and if
225 // any code using the scrollbars would be called in the process or from
226 // ~wxWindowBase, the app would crash:
227 m_scrollbarVert
= m_scrollbarHorz
= NULL
;
230 // we have to destroy our children before we're destroyed because our
231 // children suppose that we're of type wxWindow, not just wxWindowNative,
232 // and so bad things may happen if they're deleted from the base class dtor
233 // as by then we're not a wxWindow any longer and wxUniv-specific virtual
234 // functions can't be called
238 // ----------------------------------------------------------------------------
240 // ----------------------------------------------------------------------------
242 void wxWindow::SetBackground(const wxBitmap
& bitmap
,
247 m_alignBgBitmap
= alignment
;
248 m_stretchBgBitmap
= stretch
;
251 const wxBitmap
& wxWindow::GetBackgroundBitmap(int *alignment
,
252 wxStretch
*stretch
) const
254 if ( m_bitmapBg
.Ok() )
257 *alignment
= m_alignBgBitmap
;
259 *stretch
= m_stretchBgBitmap
;
265 // ----------------------------------------------------------------------------
267 // ----------------------------------------------------------------------------
269 // the event handlers executed when the window must be repainted
270 void wxWindow::OnNcPaint(wxNcPaintEvent
& WXUNUSED(event
))
274 // get the window rect
275 wxRect
rect(GetSize());
278 // if the scrollbars are outside the border, we must adjust the rect to
280 if ( !m_renderer
->AreScrollbarsInsideBorder() )
282 wxScrollBar
*scrollbar
= GetScrollbar(wxVERTICAL
);
284 rect
.width
-= scrollbar
->GetSize().x
;
286 scrollbar
= GetScrollbar(wxHORIZONTAL
);
288 rect
.height
-= scrollbar
->GetSize().y
;
290 #endif // wxUSE_SCROLLBAR
292 // get the DC and draw the border on it
294 DoDrawBorder(dc
, rect
);
298 void wxWindow::OnPaint(wxPaintEvent
& event
)
302 // it is a native control which paints itself
307 // get the DC to use and create renderer on it
309 wxControlRenderer
renderer(this, dc
, m_renderer
);
316 // the event handler executed when the window background must be painted
317 void wxWindow::OnErase(wxEraseEvent
& event
)
326 DoDrawBackground(*event
.GetDC());
329 // if we have both scrollbars, we also have a square in the corner between
330 // them which we must paint
331 if ( m_scrollbarVert
&& m_scrollbarHorz
)
333 wxSize size
= GetSize();
334 wxRect rectClient
= GetClientRect(),
335 rectBorder
= m_renderer
->GetBorderDimensions(GetBorder());
338 rectCorner
.x
= rectClient
.GetRight() + 1;
339 rectCorner
.y
= rectClient
.GetBottom() + 1;
340 rectCorner
.SetRight(size
.x
- rectBorder
.width
);
341 rectCorner
.SetBottom(size
.y
- rectBorder
.height
);
343 if ( GetUpdateRegion().Contains(rectCorner
) )
345 m_renderer
->DrawScrollCorner(*event
.GetDC(), rectCorner
);
348 #endif // wxUSE_SCROLLBAR
351 bool wxWindow::DoDrawBackground(wxDC
& dc
)
355 wxSize size
= GetSize(); // Why not GetClientSize() ?
359 rect
.height
= size
.y
;
361 wxWindow
* const parent
= GetParent();
362 if ( HasTransparentBackground() && !UseBgCol() && parent
)
364 // DirectFB paints the parent first, then its child windows, so by
365 // the time this code is called, parent's background was already
366 // drawn and there's no point in (imperfectly!) duplicating the work
369 wxASSERT( !IsTopLevel() );
371 wxPoint pos
= GetPosition();
373 AdjustForParentClientOrigin( pos
.x
, pos
.y
, 0 );
375 // Adjust DC logical origin
376 wxCoord org_x
, org_y
, x
, y
;
377 dc
.GetLogicalOrigin( &org_x
, &org_y
);
380 dc
.SetLogicalOrigin( x
, y
);
386 // Let parent draw the background
387 parent
->EraseBackground( dc
, rect
);
389 // Restore DC logical origin
390 dc
.SetLogicalOrigin( org_x
, org_y
);
395 // Draw background ourselves
396 EraseBackground( dc
, rect
);
402 void wxWindow::EraseBackground(wxDC
& dc
, const wxRect
& rect
)
404 if ( GetBackgroundBitmap().Ok() )
406 // Get the bitmap and the flags
409 wxBitmap bmp
= GetBackgroundBitmap(&alignment
, &stretch
);
410 wxControlRenderer::DrawBitmap(dc
, bmp
, rect
, alignment
, stretch
);
414 // Just fill it with bg colour if no bitmap
416 m_renderer
->DrawBackground(dc
, wxTHEME_BG_COLOUR(this),
417 rect
, GetStateFlags());
421 void wxWindow::DoDrawBorder(wxDC
& dc
, const wxRect
& rect
)
423 // draw outline unless the update region is enitrely inside it in which
424 // case we don't need to do it
425 #if 0 // doesn't seem to work, why?
426 if ( wxRegion(rect
).Contains(GetUpdateRegion().GetBox()) != wxInRegion
)
429 m_renderer
->DrawBorder(dc
, GetBorder(), rect
, GetStateFlags());
433 void wxWindow::DoDraw(wxControlRenderer
* WXUNUSED(renderer
))
437 void wxWindow::Refresh(bool eraseBackground
, const wxRect
*rect
)
439 wxRect rectClient
; // the same rectangle in client coordinates
440 wxPoint origin
= GetClientAreaOrigin();
442 wxSize size
= GetClientSize();
446 // the rectangle passed as argument is in client coordinates
449 // don't refresh anything beyond the client area (scrollbars for
451 if ( rectClient
.GetRight() > size
.x
)
452 rectClient
.SetRight(size
.x
);
453 if ( rectClient
.GetBottom() > size
.y
)
454 rectClient
.SetBottom(size
.y
);
457 else // refresh the entire client area
459 // x,y is already set to 0 by default
460 rectClient
.SetSize(size
);
463 // convert refresh rectangle to window coordinates:
464 wxRect
rectWin(rectClient
);
465 rectWin
.Offset(origin
);
468 #ifdef WXDEBUG_REFRESH
469 static bool s_refreshDebug
= false;
470 if ( s_refreshDebug
)
473 dc
.SetBrush(*wxCYAN_BRUSH
);
474 dc
.SetPen(*wxTRANSPARENT_PEN
);
475 dc
.DrawRectangle(rectWin
);
477 // under Unix we use "--sync" X option for this
478 #if defined(__WXMSW__) && !defined(__WXMICROWIN__)
483 #endif // WXDEBUG_REFRESH
485 wxWindowNative::Refresh(eraseBackground
, &rectWin
);
487 // Refresh all sub controls if any.
488 wxWindowList
& children
= GetChildren();
489 for ( wxWindowList::iterator i
= children
.begin(); i
!= children
.end(); ++i
)
491 wxWindow
*child
= *i
;
492 // only refresh subcontrols if they are visible:
493 if ( child
->IsTopLevel() || !child
->IsShown() || child
->IsFrozen() )
496 // ...and when the subcontrols are in the update region:
497 wxRect
childrect(child
->GetRect());
498 childrect
.Intersect(rectClient
);
499 if ( childrect
.IsEmpty() )
502 // refresh the subcontrol now:
503 childrect
.Offset(-child
->GetPosition());
504 // NB: We must call wxWindowNative version because we need to refresh
505 // the entire control, not just its client area, and this is why we
506 // don't account for child client area origin here neither. Also
507 // note that we don't pass eraseBackground to the child, but use
508 // true instead: this is because we can't be sure that
509 // eraseBackground=false is safe for children as well and not only
511 child
->wxWindowNative::Refresh(eraseBackground
, &childrect
);
515 // ----------------------------------------------------------------------------
517 // ----------------------------------------------------------------------------
519 bool wxWindow::Enable(bool enable
)
521 if ( !wxWindowNative::Enable(enable
) )
524 // disabled window can't keep focus
525 if ( FindFocus() == this && GetParent() != NULL
)
527 GetParent()->SetFocus();
532 // a window with renderer is drawn by ourselves and it has to be
533 // refreshed to reflect its new status
540 bool wxWindow::IsFocused() const
542 return FindFocus() == this;
545 bool wxWindow::IsPressed() const
550 bool wxWindow::IsDefault() const
555 bool wxWindow::IsCurrent() const
560 bool wxWindow::SetCurrent(bool doit
)
562 if ( doit
== m_isCurrent
)
567 if ( CanBeHighlighted() )
573 int wxWindow::GetStateFlags() const
577 flags
|= wxCONTROL_DISABLED
;
579 // the following states are only possible if our application is active - if
580 // it is not, even our default/focused controls shouldn't appear as such
581 if ( wxTheApp
->IsActive() )
584 flags
|= wxCONTROL_CURRENT
;
586 flags
|= wxCONTROL_FOCUSED
;
588 flags
|= wxCONTROL_PRESSED
;
590 flags
|= wxCONTROL_ISDEFAULT
;
596 // ----------------------------------------------------------------------------
598 // ----------------------------------------------------------------------------
600 void wxWindow::OnSize(wxSizeEvent
& event
)
605 if ( m_scrollbarVert
|| m_scrollbarHorz
)
607 PositionScrollbars();
609 #endif // wxUSE_SCROLLBAR
611 #if 0 // ndef __WXMSW__
612 // Refresh the area (strip) previously occupied by the border
614 if ( !HasFlag(wxFULL_REPAINT_ON_RESIZE
) && IsShown() )
616 // This code assumes that wxSizeEvent.GetSize() returns
617 // the area of the entire window, not just the client
619 wxSize newSize
= event
.GetSize();
621 if (m_oldSize
.x
== wxDefaultCoord
&& m_oldSize
.y
== wxDefaultCoord
)
627 if (HasFlag( wxSIMPLE_BORDER
))
629 if (newSize
.y
> m_oldSize
.y
)
633 rect
.width
= m_oldSize
.x
;
634 rect
.y
= m_oldSize
.y
-2;
636 Refresh( true, &rect
);
638 else if (newSize
.y
< m_oldSize
.y
)
644 rect
.width
= newSize
.x
;
645 wxWindowNative::Refresh( true, &rect
);
648 if (newSize
.x
> m_oldSize
.x
)
652 rect
.height
= m_oldSize
.y
;
653 rect
.x
= m_oldSize
.x
-2;
655 Refresh( true, &rect
);
657 else if (newSize
.x
< m_oldSize
.x
)
663 rect
.height
= newSize
.y
;
664 wxWindowNative::Refresh( true, &rect
);
668 if (HasFlag( wxSUNKEN_BORDER
) || HasFlag( wxRAISED_BORDER
))
670 if (newSize
.y
> m_oldSize
.y
)
674 rect
.width
= m_oldSize
.x
;
675 rect
.y
= m_oldSize
.y
-4;
677 Refresh( true, &rect
);
679 else if (newSize
.y
< m_oldSize
.y
)
685 rect
.width
= newSize
.x
;
686 wxWindowNative::Refresh( true, &rect
);
689 if (newSize
.x
> m_oldSize
.x
)
693 rect
.height
= m_oldSize
.y
;
694 rect
.x
= m_oldSize
.x
-4;
696 Refresh( true, &rect
);
698 else if (newSize
.x
< m_oldSize
.x
)
704 rect
.height
= newSize
.y
;
705 wxWindowNative::Refresh( true, &rect
);
714 wxSize
wxWindow::DoGetBestSize() const
716 return AdjustSize(DoGetBestClientSize());
719 wxSize
wxWindow::DoGetBestClientSize() const
721 return wxWindowNative::DoGetBestSize();
724 wxSize
wxWindow::AdjustSize(const wxSize
& size
) const
728 m_renderer
->AdjustSize(&sz
, this);
732 wxPoint
wxWindow::GetClientAreaOrigin() const
734 wxPoint pt
= wxWindowBase::GetClientAreaOrigin();
736 #if wxUSE_TWO_WINDOWS
739 pt
+= m_renderer
->GetBorderDimensions(GetBorder()).GetPosition();
745 void wxWindow::DoGetClientSize(int *width
, int *height
) const
747 // if it is a native window, we assume it handles the scrollbars itself
748 // too - and if it doesn't, there is not much we can do
751 wxWindowNative::DoGetClientSize(width
, height
);
757 wxWindowNative::DoGetClientSize(&w
, &h
);
759 // we assume that the scrollbars are positioned correctly (by a previous
760 // call to PositionScrollbars()) here
764 rectBorder
= m_renderer
->GetBorderDimensions(GetBorder());
769 // in any case, take account of the scrollbar
770 if ( m_scrollbarVert
)
771 w
-= m_scrollbarVert
->GetSize().x
;
772 #endif // wxUSE_SCROLLBAR
774 // account for the left and right borders
775 *width
= w
- rectBorder
.x
- rectBorder
.width
;
777 // we shouldn't return invalid width
785 if ( m_scrollbarHorz
)
786 h
-= m_scrollbarHorz
->GetSize().y
;
787 #endif // wxUSE_SCROLLBAR
789 *height
= h
- rectBorder
.y
- rectBorder
.height
;
791 // we shouldn't return invalid height
797 void wxWindow::DoSetClientSize(int width
, int height
)
799 // take into account the borders
800 wxRect rectBorder
= m_renderer
->GetBorderDimensions(GetBorder());
801 width
+= rectBorder
.x
;
802 height
+= rectBorder
.y
;
804 // and the scrollbars (as they may be offset into the border, use the
805 // scrollbar position, not size - this supposes that PositionScrollbars()
806 // had been called before)
807 wxSize size
= GetSize();
809 if ( m_scrollbarVert
)
810 width
+= size
.x
- m_scrollbarVert
->GetPosition().x
;
811 #endif // wxUSE_SCROLLBAR
812 width
+= rectBorder
.width
;
815 if ( m_scrollbarHorz
)
816 height
+= size
.y
- m_scrollbarHorz
->GetPosition().y
;
817 #endif // wxUSE_SCROLLBAR
818 height
+= rectBorder
.height
;
820 wxWindowNative::DoSetClientSize(width
, height
);
823 wxHitTest
wxWindow::DoHitTest(wxCoord x
, wxCoord y
) const
825 wxHitTest ht
= wxWindowNative::DoHitTest(x
, y
);
828 if ( ht
== wxHT_WINDOW_INSIDE
)
830 if ( m_scrollbarVert
&& x
>= m_scrollbarVert
->GetPosition().x
)
832 // it can still be changed below because it may also be the corner
833 ht
= wxHT_WINDOW_VERT_SCROLLBAR
;
836 if ( m_scrollbarHorz
&& y
>= m_scrollbarHorz
->GetPosition().y
)
838 ht
= ht
== wxHT_WINDOW_VERT_SCROLLBAR
? wxHT_WINDOW_CORNER
839 : wxHT_WINDOW_HORZ_SCROLLBAR
;
842 #endif // wxUSE_SCROLLBAR
847 // ----------------------------------------------------------------------------
848 // scrolling: we implement it entirely ourselves except for ScrollWindow()
849 // function which is supposed to be (efficiently) implemented by the native
851 // ----------------------------------------------------------------------------
853 void wxWindow::RefreshScrollbars()
856 if ( m_scrollbarHorz
)
857 m_scrollbarHorz
->Refresh();
859 if ( m_scrollbarVert
)
860 m_scrollbarVert
->Refresh();
861 #endif // wxUSE_SCROLLBAR
864 void wxWindow::PositionScrollbars()
867 // do not use GetClientSize/Rect as it relies on the scrollbars being
868 // correctly positioned
870 wxSize size
= GetSize();
871 wxBorder border
= GetBorder();
872 wxRect rectBorder
= m_renderer
->GetBorderDimensions(border
);
873 bool inside
= m_renderer
->AreScrollbarsInsideBorder();
875 int height
= m_scrollbarHorz
? m_scrollbarHorz
->GetSize().y
: 0;
876 int width
= m_scrollbarVert
? m_scrollbarVert
->GetSize().x
: 0;
879 if ( m_scrollbarVert
)
881 rectBar
.x
= size
.x
- width
;
883 rectBar
.x
-= rectBorder
.width
;
884 rectBar
.width
= width
;
887 rectBar
.y
+= rectBorder
.y
;
888 rectBar
.height
= size
.y
- height
;
890 rectBar
.height
-= rectBorder
.y
+ rectBorder
.height
;
892 m_scrollbarVert
->SetSize(rectBar
, wxSIZE_NO_ADJUSTMENTS
);
895 if ( m_scrollbarHorz
)
897 rectBar
.y
= size
.y
- height
;
899 rectBar
.y
-= rectBorder
.height
;
900 rectBar
.height
= height
;
903 rectBar
.x
+= rectBorder
.x
;
904 rectBar
.width
= size
.x
- width
;
906 rectBar
.width
-= rectBorder
.x
+ rectBorder
.width
;
908 m_scrollbarHorz
->SetSize(rectBar
, wxSIZE_NO_ADJUSTMENTS
);
912 #endif // wxUSE_SCROLLBAR
915 void wxWindow::SetScrollbar(int orient
,
922 wxASSERT_MSG( pageSize
<= range
,
923 _T("page size can't be greater than range") );
925 bool hasClientSizeChanged
= false;
926 wxScrollBar
*scrollbar
= GetScrollbar(orient
);
927 if ( range
&& (pageSize
< range
) )
932 #if wxUSE_TWO_WINDOWS
933 SetInsertIntoMain( true );
935 scrollbar
= new wxWindowScrollBar(this, wxID_ANY
,
936 wxDefaultPosition
, wxDefaultSize
,
937 orient
& wxVERTICAL
? wxSB_VERTICAL
939 #if wxUSE_TWO_WINDOWS
940 SetInsertIntoMain( false );
942 if ( orient
& wxVERTICAL
)
943 m_scrollbarVert
= scrollbar
;
945 m_scrollbarHorz
= scrollbar
;
947 // the client area diminished as we created a scrollbar
948 hasClientSizeChanged
= true;
950 PositionScrollbars();
952 else if ( GetWindowStyle() & wxALWAYS_SHOW_SB
)
954 // we might have disabled it before
958 scrollbar
->SetScrollbar(pos
, pageSize
, range
, pageSize
, refresh
);
960 else // no range means no scrollbar
964 // wxALWAYS_SHOW_SB only applies to the vertical scrollbar
965 if ( (orient
& wxVERTICAL
) && (GetWindowStyle() & wxALWAYS_SHOW_SB
) )
967 // just disable the scrollbar
968 scrollbar
->SetScrollbar(pos
, pageSize
, range
, pageSize
, refresh
);
969 scrollbar
->Disable();
971 else // really remove the scrollbar
975 if ( orient
& wxVERTICAL
)
976 m_scrollbarVert
= NULL
;
978 m_scrollbarHorz
= NULL
;
980 // the client area increased as we removed a scrollbar
981 hasClientSizeChanged
= true;
983 // the size of the remaining scrollbar must be adjusted
984 if ( m_scrollbarHorz
|| m_scrollbarVert
)
986 PositionScrollbars();
992 // give the window a chance to relayout
993 if ( hasClientSizeChanged
)
995 #if wxUSE_TWO_WINDOWS
996 wxWindowNative::SetSize( GetSize() );
998 wxSizeEvent
event(GetSize());
999 (void)GetEventHandler()->ProcessEvent(event
);
1003 wxUnusedVar(orient
);
1005 wxUnusedVar(pageSize
);
1007 wxUnusedVar(refresh
);
1008 #endif // wxUSE_SCROLLBAR
1011 void wxWindow::SetScrollPos(int orient
, int pos
, bool WXUNUSED(refresh
))
1014 wxScrollBar
*scrollbar
= GetScrollbar(orient
);
1017 scrollbar
->SetThumbPosition(pos
);
1019 // VZ: I think we can safely ignore this as we always refresh it
1020 // automatically whenever the value chanegs
1026 wxUnusedVar(orient
);
1028 #endif // wxUSE_SCROLLBAR
1031 int wxWindow::GetScrollPos(int orient
) const
1034 wxScrollBar
*scrollbar
= GetScrollbar(orient
);
1035 return scrollbar
? scrollbar
->GetThumbPosition() : 0;
1037 wxUnusedVar(orient
);
1039 #endif // wxUSE_SCROLLBAR
1042 int wxWindow::GetScrollThumb(int orient
) const
1045 wxScrollBar
*scrollbar
= GetScrollbar(orient
);
1046 return scrollbar
? scrollbar
->GetThumbSize() : 0;
1048 wxUnusedVar(orient
);
1050 #endif // wxUSE_SCROLLBAR
1053 int wxWindow::GetScrollRange(int orient
) const
1056 wxScrollBar
*scrollbar
= GetScrollbar(orient
);
1057 return scrollbar
? scrollbar
->GetRange() : 0;
1059 wxUnusedVar(orient
);
1061 #endif // wxUSE_SCROLLBAR
1064 void wxWindow::ScrollWindow(int dx
, int dy
, const wxRect
*rect
)
1066 // use native scrolling when available and do it in generic way
1070 wxWindowNative::ScrollWindow(dx
, dy
, rect
);
1074 // before scrolling it, ensure that we don't have any unpainted areas
1081 r
= ScrollNoRefresh(dx
, 0, rect
);
1082 Refresh(true /* erase bkgnd */, &r
);
1087 r
= ScrollNoRefresh(0, dy
, rect
);
1088 Refresh(true /* erase bkgnd */, &r
);
1091 // scroll children accordingly:
1092 wxPoint
offset(dx
, dy
);
1094 for (wxWindowList::compatibility_iterator node
= GetChildren().GetFirst();
1095 node
; node
= node
->GetNext())
1097 wxWindow
*child
= node
->GetData();
1099 if ( child
== m_scrollbarVert
|| child
== m_scrollbarHorz
)
1101 #endif // wxUSE_SCROLLBAR
1103 // VS: Scrolling children has non-trivial semantics. If rect=NULL then
1104 // it is easy: we scroll all children. Otherwise it gets
1106 // 1. if scrolling in one direction only, scroll only
1107 // those children that intersect shaft defined by the rectangle
1108 // and scrolling direction
1109 // 2. if scrolling in both axes, scroll all children
1111 bool shouldMove
= false;
1113 if ( rect
&& (dx
* dy
== 0 /* moving in only one of x, y axis */) )
1115 wxRect childRect
= child
->GetRect();
1116 if ( dx
== 0 && (childRect
.GetLeft() <= rect
->GetRight() ||
1117 childRect
.GetRight() >= rect
->GetLeft()) )
1121 else if ( dy
== 0 && (childRect
.GetTop() <= rect
->GetBottom() ||
1122 childRect
.GetBottom() >= rect
->GetTop()) )
1126 // else: child outside of scrolling shaft, don't move
1128 else // scrolling in both axes or rect=NULL
1134 child
->Move(child
->GetPosition() + offset
, wxSIZE_ALLOW_MINUS_ONE
);
1136 #endif // wxX11/!wxX11
1139 wxRect
wxWindow::ScrollNoRefresh(int dx
, int dy
, const wxRect
*rectTotal
)
1141 wxASSERT_MSG( !dx
|| !dy
, _T("can't be used for diag scrolling") );
1143 // the rect to refresh (which we will calculate)
1152 // calculate the part of the window which we can just redraw in the new
1154 wxSize sizeTotal
= rectTotal
? rectTotal
->GetSize() : GetClientSize();
1156 wxLogTrace(_T("scroll"), _T("rect is %dx%d, scroll by %d, %d"),
1157 sizeTotal
.x
, sizeTotal
.y
, dx
, dy
);
1159 // the initial and end point of the region we move in client coords
1160 wxPoint ptSource
, ptDest
;
1163 ptSource
= rectTotal
->GetPosition();
1164 ptDest
= rectTotal
->GetPosition();
1167 // the size of this region
1169 size
.x
= sizeTotal
.x
- abs(dx
);
1170 size
.y
= sizeTotal
.y
- abs(dy
);
1171 if ( size
.x
<= 0 || size
.y
<= 0 )
1173 // just redraw everything as nothing of the displayed image will stay
1174 wxLogTrace(_T("scroll"), _T("refreshing everything"));
1176 rect
= rectTotal
? *rectTotal
: wxRect(0, 0, sizeTotal
.x
, sizeTotal
.y
);
1178 else // move the part which doesn't change to the new location
1180 // note that when we scroll the canvas in some direction we move the
1181 // block which doesn't need to be refreshed in the opposite direction
1185 // scroll to the right, move to the left
1190 // scroll to the left, move to the right
1196 // scroll down, move up
1201 // scroll up, move down
1206 // we need to hide the caret before moving or it will erase itself at
1207 // the wrong (old) location
1208 wxCaret
*caret
= GetCaret();
1211 #endif // wxUSE_CARET
1214 wxClientDC
dc(this);
1215 wxBitmap
bmp(size
.x
, size
.y
);
1217 dcMem
.SelectObject(bmp
);
1219 dcMem
.Blit(wxPoint(0,0), size
, &dc
, ptSource
1220 #if defined(__WXGTK__) && !defined(wxHAS_WORKING_GTK_DC_BLIT)
1221 + GetClientAreaOrigin()
1222 #endif // broken wxGTK wxDC::Blit
1224 dc
.Blit(ptDest
, size
, &dcMem
, wxPoint(0,0));
1226 wxLogTrace(_T("scroll"),
1227 _T("Blit: (%d, %d) of size %dx%d -> (%d, %d)"),
1228 ptSource
.x
, ptSource
.y
,
1230 ptDest
.x
, ptDest
.y
);
1232 // and now repaint the uncovered area
1234 // FIXME: We repaint the intersection of these rectangles twice - is
1235 // it bad? I don't think so as it is rare to scroll the window
1236 // diagonally anyhow and so adding extra logic to compute
1237 // rectangle intersection is probably not worth the effort
1239 rect
.x
= ptSource
.x
;
1240 rect
.y
= ptSource
.y
;
1246 // refresh the area along the right border
1247 rect
.x
+= size
.x
+ dx
;
1252 // refresh the area along the left border
1256 rect
.height
= sizeTotal
.y
;
1258 wxLogTrace(_T("scroll"), _T("refreshing (%d, %d)-(%d, %d)"),
1260 rect
.GetRight() + 1, rect
.GetBottom() + 1);
1267 // refresh the area along the bottom border
1268 rect
.y
+= size
.y
+ dy
;
1273 // refresh the area along the top border
1277 rect
.width
= sizeTotal
.x
;
1279 wxLogTrace(_T("scroll"), _T("refreshing (%d, %d)-(%d, %d)"),
1281 rect
.GetRight() + 1, rect
.GetBottom() + 1);
1287 #endif // wxUSE_CARET
1293 // ----------------------------------------------------------------------------
1294 // accelerators and menu hot keys
1295 // ----------------------------------------------------------------------------
1298 // the last window over which Alt was pressed (used by OnKeyUp)
1299 wxWindow
*wxWindow::ms_winLastAltPress
= NULL
;
1300 #endif // wxUSE_MENUS
1302 #if wxUSE_ACCEL || wxUSE_MENUS
1304 void wxWindow::OnKeyDown(wxKeyEvent
& event
)
1307 int key
= event
.GetKeyCode();
1308 if ( !event
.ControlDown() && (key
== WXK_ALT
|| key
== WXK_F10
) )
1310 ms_winLastAltPress
= this;
1312 // it can't be an accel anyhow
1316 ms_winLastAltPress
= NULL
;
1317 #endif // wxUSE_MENUS
1320 for ( wxWindow
*win
= this; win
; win
= win
->GetParent() )
1322 int command
= win
->GetAcceleratorTable()->GetCommand(event
);
1323 if ( command
!= -1 )
1325 wxCommandEvent
eventCmd(wxEVT_COMMAND_MENU_SELECTED
, command
);
1326 if ( win
->GetEventHandler()->ProcessEvent(eventCmd
) )
1328 // skip "event.Skip()" below
1333 if ( win
->IsTopLevel() )
1335 // try the frame menu bar
1337 wxFrame
*frame
= wxDynamicCast(win
, wxFrame
);
1340 wxMenuBar
*menubar
= frame
->GetMenuBar();
1341 if ( menubar
&& menubar
->ProcessAccelEvent(event
) )
1343 // skip "event.Skip()" below
1347 #endif // wxUSE_MENUS
1350 // if it wasn't in a menu, try to find a button
1351 if ( command
!= -1 )
1353 wxWindow
* child
= win
->FindWindow(command
);
1354 if ( child
&& wxDynamicCast(child
, wxButton
) )
1356 wxCommandEvent
eventCmd(wxEVT_COMMAND_BUTTON_CLICKED
, command
);
1357 eventCmd
.SetEventObject(child
);
1358 if ( child
->GetEventHandler()->ProcessEvent(eventCmd
) )
1360 // skip "event.Skip()" below
1365 #endif // wxUSE_BUTTON
1367 // don't propagate accels from the child frame to the parent one
1371 #endif // wxUSE_ACCEL
1376 #endif // wxUSE_ACCEL
1380 wxMenuBar
*wxWindow::GetParentFrameMenuBar() const
1382 for ( const wxWindow
*win
= this; win
; win
= win
->GetParent() )
1384 if ( win
->IsTopLevel() )
1386 wxFrame
*frame
= wxDynamicCast(win
, wxFrame
);
1389 return frame
->GetMenuBar();
1392 // don't look further - we don't want to return the menubar of the
1401 void wxWindow::OnChar(wxKeyEvent
& event
)
1403 if ( event
.AltDown() && !event
.ControlDown() )
1405 int key
= event
.GetKeyCode();
1407 wxMenuBar
*menubar
= GetParentFrameMenuBar();
1410 int item
= menubar
->FindNextItemForAccel(-1, key
);
1413 menubar
->PopupMenu((size_t)item
);
1415 // skip "event.Skip()" below
1421 // if Return was pressed, see if there's a default button to activate
1422 if ( !event
.HasModifiers() && event
.GetKeyCode() == WXK_RETURN
)
1425 tlw
= wxDynamicCast(wxGetTopLevelParent(this), wxTopLevelWindow
);
1428 wxButton
*btn
= wxDynamicCast(tlw
->GetDefaultItem(), wxButton
);
1431 wxCommandEvent
evt(wxEVT_COMMAND_BUTTON_CLICKED
, btn
->GetId());
1432 evt
.SetEventObject(btn
);
1443 void wxWindow::OnKeyUp(wxKeyEvent
& event
)
1445 int key
= event
.GetKeyCode();
1446 if ( !event
.HasModifiers() && (key
== WXK_ALT
|| key
== WXK_F10
) )
1448 // only process Alt release specially if there were no other key
1449 // presses since Alt had been pressed and if both events happened in
1451 if ( ms_winLastAltPress
== this )
1453 wxMenuBar
*menubar
= GetParentFrameMenuBar();
1454 if ( menubar
&& this != menubar
)
1456 menubar
->SelectMenu(0);
1465 // in any case reset it
1466 ms_winLastAltPress
= NULL
;
1469 #endif // wxUSE_MENUS
1471 // ----------------------------------------------------------------------------
1472 // MSW-specific section
1473 // ----------------------------------------------------------------------------
1477 #include "wx/msw/private.h"
1479 WXLRESULT
wxWindow::MSWWindowProc(WXUINT message
, WXWPARAM wParam
, WXLPARAM lParam
)
1481 if ( message
== WM_NCHITTEST
)
1483 // the windows which contain the other windows should let the mouse
1484 // events through, otherwise a window inside a static box would
1485 // never get any events at all
1486 if ( IsStaticBox() )
1488 return HTTRANSPARENT
;
1492 return wxWindowNative::MSWWindowProc(message
, wParam
, lParam
);