+ RECT rc;
+ ::GetWindowRect(GetHwnd(), &rc);
+ HRGN hrgn = ::CreateRectRgn(rc.left, rc.top, rc.right + 1, rc.bottom + 1);
+ bool foundThis = false;
+
+ // iterate over all child windows (not just wxWindows but all windows)
+ for ( HWND child = ::GetWindow(GetHwndOf(GetParent()), GW_CHILD);
+ child;
+ child = ::GetWindow(child, GW_HWNDNEXT) )
+ {
+ 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 )
+ {
+ if ( child == GetHwnd() )
+ foundThis = true;
+
+ // Any static boxes below this one in the Z-order can't be clipped
+ // since if we have the case where a static box with a low Z-order
+ // is nested inside another static box with a high Z-order then the
+ // nested static box would be painted over. Doing it this way
+ // unfortunately results in flicker if the Z-order of nested static
+ // boxes is not inside (lowest) to outside (highest) but at least
+ // they are still shown.
+ if ( foundThis )
+ 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 )
+ {
+ 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(): 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 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 )
+ {
+ brush = wxBrush(parent->GetBackgroundColour());
+ hbr = GetHbrushOf(brush);
+ }
+
+ ::FillRect(GetHdcOf(dc), &rc, hbr);
+}
+
+void wxStaticBox::PaintForeground(wxDC& dc, const RECT& WXUNUSED(rc))
+{
+ MSWDefWindowProc(WM_PAINT, (WPARAM)GetHdcOf(dc), 0);
+
+ // when using XP themes, 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 we need to redraw the text
+ // ourselves if we have a non default fg colour
+ if ( wxUxThemeEngine::GetIfActive() )
+ {
+ // draw over the text in default colour in our colour
+ dc.SetFont(GetFont());
+
+ HDC hdc = GetHdcOf(dc);
+ if ( m_hasFgCol )
+ {
+ ::SetTextColor(hdc, GetForegroundColour().GetPixel());
+ }
+ else
+ {
+ wxUxThemeHandle hTheme(this, L"BUTTON");
+ if (hTheme)
+ {
+ COLORREF col;
+ wxUxThemeEngine::Get()->GetThemeColor(
+ hTheme,
+ 4 /* BP_GROUPBOX */,
+ 1 /* GBS_NORMAL */,
+ 3803 /* TMT_TEXTCOLOR */,
+ &col);
+
+ ::SetTextColor(hdc, col);
+ }
+ else
+ {
+ // can't open the theme - default to blue
+ ::SetTextColor(hdc, 0x00D54600);
+ }
+ }
+
+ // FIXME: value of x is hardcoded as this is what it is on my system,
+ // no idea if it's true everywhere
+ // TODO: RTL?
+ const int x = 9;
+ const int y = dc.GetCharHeight();
+ const wxString label = GetLabel();
+
+ // first we need to correctly paint the background of the label
+ // as Windows ignores the brush offset when doing it
+ RECT rc = { x, 0, GetSize().x, y };
+ ::DrawText(hdc, label, label.length(), &rc,
+ DT_SINGLELINE | DT_VCENTER | DT_CALCRECT);
+
+ // need to adjust the rectangle to cover all the label background
+ rc.left -= 2;
+ rc.right += 2;
+ rc.bottom += 2;
+ PaintBackground(dc, rc);
+
+ // now draw the text
+ RECT rc2 = { x, 0, GetSize().x, y };
+ ::DrawText(hdc, label, label.length(), &rc2,
+ DT_SINGLELINE | DT_VCENTER);
+ }
+}
+
+void wxStaticBox::OnPaint(wxPaintEvent& WXUNUSED(event))
+{
+ RECT rc;
+ ::GetClientRect(GetHwnd(), &rc);
+
+ // draw the entire box in a memory DC
+ wxMemoryDC memdc;
+ wxBitmap bitmap(rc.right, rc.bottom);
+ memdc.SelectObject(bitmap);
+
+ PaintBackground(memdc, rc);
+ PaintForeground(memdc, rc);
+
+ // now only blit the static box border itself, not the interior, to avoid
+ // flicker when background is drawn below
projects / wxWidgets.git / blobdiff