#include "wx/dcmemory.h"
#include "wx/msw/private.h"
+#include "wx/msw/missing.h"
// ----------------------------------------------------------------------------
// wxWin macros
#ifndef __WXWINCE__
Connect(wxEVT_PAINT, wxPaintEventHandler(wxStaticBox::OnPaint));
-#endif
+#endif // !__WXWINCE__
return true;
}
return wxSize(wBox, hBox);
}
-WXLRESULT wxStaticBox::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam)
+void wxStaticBox::GetBordersForSizer(int *borderTop, int *borderOther) const
{
+ wxStaticBoxBase::GetBordersForSizer(borderTop, borderOther);
+
+ // need extra space, don't know how much but this seems to be enough
+ *borderTop += GetCharHeight()/3;
+}
+
+// all the hacks below are not necessary for WinCE
#ifndef __WXWINCE__
+
+WXLRESULT wxStaticBox::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam)
+{
if ( nMsg == WM_NCHITTEST )
{
// This code breaks some other processing such as enter/leave tracking
s_useHTClient = wxSystemOptions::GetOptionInt(wxT("msw.staticbox.htclient"));
if (s_useHTClient == 1)
{
- int xPos = LOWORD(lParam); // horizontal position of cursor
- int yPos = HIWORD(lParam); // vertical position of cursor
+ int xPos = GET_X_LPARAM(lParam);
+ int yPos = GET_Y_LPARAM(lParam);
ScreenToClient(&xPos, &yPos);
return (long)HTCLIENT;
}
}
-#endif // !__WXWINCE__
return wxControl::MSWWindowProc(nMsg, wParam, lParam);
}
-void wxStaticBox::GetBordersForSizer(int *borderTop, int *borderOther) const
-{
- wxStaticBoxBase::GetBordersForSizer(borderTop, borderOther);
+// ----------------------------------------------------------------------------
+// static box drawing
+// ----------------------------------------------------------------------------
- // if not using correct (but backwards cojmpatible) text metrics
- // calculations, we need to add some extra margin or otherwise static box
- // title is clipped
-#if !wxDIALOG_UNIT_COMPATIBILITY
- *borderTop += GetCharHeight()/3;
-#endif // !wxDIALOG_UNIT_COMPATIBILITY
-}
+/*
+ We draw the static box ourselves because it's the only way to prevent it
+ from flickering horribly on resize (because everything inside the box is
+ erased twice: once when the box itself is repainted and second time when
+ the control inside it is repainted) without using WS_EX_TRANSPARENT style as
+ we used to do and which resulted in other problems.
+ */
// MSWGetRegionWithoutSelf helper: removes the given rectangle from region
static inline void
child;
child = ::GetWindow(child, GW_HWNDNEXT) )
{
- wxWindow *childWindow = wxGetWindowFromHWND((WXHWND) child);
-
- // can't just test for (this != child) here since if a wxStaticBox
- // overlaps another wxStaticBox then neither are drawn. The overlapping
- // region will flicker but we shouldn't have overlapping windows anyway.
- if ( !childWindow || !wxDynamicCast(childWindow, wxStaticBox) )
+ if ( ! ::IsWindowVisible(child) )
+ {
+ // if the window isn't visible then it doesn't need clipped
+ continue;
+ }
+
+ LONG style = ::GetWindowLong(child, GWL_STYLE);
+ wxString str(wxGetWindowClass(child));
+ str.UpperCase();
+ if ( str == wxT("BUTTON") && (style & BS_GROUPBOX) == BS_GROUPBOX )
{
- ::GetWindowRect(child, &rc);
- if ( ::RectInRegion(hrgn, &rc) )
+ // Don't clip any static boxes, not just this one. This will
+ // result in flicker in overlapping static boxes, but at least
+ // they will all be drawn correctly and we shouldn't have
+ // overlapping windows anyway.
+ continue;
+ }
+
+ ::GetWindowRect(child, &rc);
+ if ( ::RectInRegion(hrgn, &rc) )
+ {
+ // need to remove WS_CLIPSIBLINGS from all sibling windows
+ // that are within this staticbox if set
+ if ( style & WS_CLIPSIBLINGS )
{
- // need to remove WS_CLIPSIBLINGS from all sibling windows
- // that are within this staticbox if set
- LONG style = ::GetWindowLong(child, GWL_STYLE);
- if ( style & WS_CLIPSIBLINGS )
- {
- style &= ~WS_CLIPSIBLINGS;
- ::SetWindowLong(child, GWL_STYLE, style);
-
- // MSDN: "If you have changed certain window data using
- // SetWindowLong, you must call SetWindowPos to have the
- // changes take effect."
- ::SetWindowPos(child, NULL, 0, 0, 0, 0,
- SWP_NOMOVE | SWP_NOSIZE | SWP_NOZORDER |
- SWP_FRAMECHANGED);
- }
-
- AutoHRGN hrgnChild(::CreateRectRgnIndirect(&rc));
- ::CombineRgn(hrgn, hrgn, hrgnChild, RGN_DIFF);
+ style &= ~WS_CLIPSIBLINGS;
+ ::SetWindowLong(child, GWL_STYLE, style);
+
+ // MSDN: "If you have changed certain window data using
+ // SetWindowLong, you must call SetWindowPos to have the
+ // changes take effect."
+ ::SetWindowPos(child, NULL, 0, 0, 0, 0,
+ SWP_NOMOVE | SWP_NOSIZE | SWP_NOZORDER |
+ SWP_FRAMECHANGED);
}
+
+ AutoHRGN hrgnChild(::CreateRectRgnIndirect(&rc));
+ ::CombineRgn(hrgn, hrgn, hrgnChild, RGN_DIFF);
}
}
return (WXHRGN)hrgn;
}
-// helper for OnPaint()
+// helper for OnPaint(): really erase the background, i.e. do it even if we
+// don't have any non default brush for doing it (DoEraseBackground() doesn't
+// do anything in such case)
void wxStaticBox::PaintBackground(wxDC& dc, const RECT& rc)
{
- // note that static box should be transparent, so it should show its
- // parents colour, not its own
- wxWindow * const parent = GetParent();
-
- HBRUSH hbr = (HBRUSH)parent->MSWGetBgBrush(dc.GetHDC());
+ // note that we do not use the box background colour here, it shouldn't
+ // apply to its interior for several reasons:
+ // 1. wxGTK doesn't do it
+ // 2. controls inside the box don't get correct bg colour because they
+ // are not our children so we'd have some really ugly colour mix if
+ // we did it
+ // 3. this is backwards compatible behaviour and some people rely on it,
+ // see http://groups.google.com/groups?selm=4252E932.3080801%40able.es
+ wxWindow *parent = GetParent();
+ HBRUSH hbr = (HBRUSH)parent->MSWGetBgBrush(dc.GetHDC(), GetHWND());
+
+ // if there is no special brush for painting this control, just use the
+ // solid background colour
+ wxBrush brush;
if ( !hbr )
{
- wxBrush *brush =
- wxTheBrushList->FindOrCreateBrush(parent->GetBackgroundColour());
- if ( brush )
- hbr = GetHbrushOf(*brush);
+ brush = wxBrush(parent->GetBackgroundColour());
+ hbr = GetHbrushOf(brush);
}
- if ( hbr )
- ::FillRect(GetHdcOf(dc), &rc, hbr);
+ ::FillRect(GetHdcOf(dc), &rc, hbr);
+}
+
+void wxStaticBox::PaintForeground(wxDC& dc, const RECT& WXUNUSED(rc))
+{
+ // NB: neither setting the text colour nor transparent background mode
+ // doesn't change anything: the static box def window proc still
+ // draws the label in its own colours, so if we want to have control
+ // over this we really have to draw everything ourselves
+ MSWDefWindowProc(WM_PAINT, (WPARAM)GetHdcOf(dc), 0);
}
void wxStaticBox::OnPaint(wxPaintEvent& WXUNUSED(event))
{
- wxPaintDC dc(this);
RECT rc;
::GetClientRect(GetHwnd(), &rc);
- // draw the entire box in a memory DC, but only blit the bits not redrawn
- // either by our children windows nor by FillRect() painting the background
- // below
+ // draw the entire box in a memory DC
wxMemoryDC memdc;
wxBitmap bitmap(rc.right, rc.bottom);
memdc.SelectObject(bitmap);
PaintBackground(memdc, rc);
- MSWDefWindowProc(WM_PAINT, (WPARAM)GetHdcOf(memdc), 0);
-
+ PaintForeground(memdc, rc);
+
+ // now only blit the static box border itself, not the interior, to avoid
+ // flicker when background is drawn below
+ //
+ // note that it seems to be faster to do 4 small blits here and then paint
+ // directly into wxPaintDC than painting background in wxMemoryDC and then
+ // blitting everything at once to wxPaintDC, this is why we do it like this
+ wxPaintDC dc(this);
int borderTop, border;
GetBordersForSizer(&borderTop, &border);
dc.Blit(rc.right - border, 0, rc.right, rc.bottom,
&memdc, rc.right - border, 0);
+
+ // create the region excluding box children
AutoHRGN hrgn((HRGN)MSWGetRegionWithoutChildren());
RECT rcWin;
::GetWindowRect(GetHwnd(), &rcWin);
::OffsetRgn(hrgn, -rcWin.left, -rcWin.top);
-
- // now remove the box itself
+ // and also the box itself
MSWGetRegionWithoutSelf((WXHRGN) hrgn, rc.right, rc.bottom);
+ HDCClipper clipToBg(GetHdcOf(dc), hrgn);
- // and paint the inside of the box (excluding child controls)
- ::SelectClipRgn(GetHdcOf(dc), hrgn);
+ // paint the inside of the box (excluding box itself and child controls)
PaintBackground(dc, rc);
- ::SelectClipRgn(GetHdcOf(dc), NULL);
}
+#endif // !__WXWINCE__
+
#endif // wxUSE_STATBOX
projects / wxWidgets.git / blobdiff