#include "wx/statbox.h"
#include "wx/notebook.h"
#include "wx/sysopt.h"
+#include "wx/image.h"
+#include "wx/dcmemory.h"
#include "wx/msw/private.h"
-// under CE this style is not defined but we don't need to make static boxes
-// transparent there neither
-#ifndef WS_EX_TRANSPARENT
- #define WS_EX_TRANSPARENT 0
-#endif
-
// ----------------------------------------------------------------------------
// wxWin macros
// ----------------------------------------------------------------------------
if ( !MSWCreateControl(wxT("BUTTON"), label, pos, size) )
return false;
+ Connect(wxEVT_PAINT, wxPaintEventHandler(wxStaticBox::OnPaint));
+
return true;
}
{
long styleWin = wxStaticBoxBase::MSWGetStyle(style, exstyle);
+ // no need for it anymore, must be removed for wxRadioBox child
+ // buttons to be able to repaint themselves
+ styleWin &= ~WS_CLIPCHILDREN;
+
if ( exstyle )
- *exstyle = WS_EX_TRANSPARENT;
+ *exstyle = 0;
return styleWin | BS_GROUPBOX;
}
WXLRESULT wxStaticBox::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam)
{
- switch ( nMsg )
- {
#ifndef __WXWINCE__
- case WM_NCHITTEST:
- {
- // This code breaks some other processing such as enter/leave tracking
- // so it's off by default.
-
- static int s_useHTClient = -1;
- if (s_useHTClient == -1)
- 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
+ if ( nMsg == WM_NCHITTEST )
+ {
+ // This code breaks some other processing such as enter/leave tracking
+ // so it's off by default.
+
+ static int s_useHTClient = -1;
+ if (s_useHTClient == -1)
+ 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
+
+ ScreenToClient(&xPos, &yPos);
+
+ // Make sure you can drag by the top of the groupbox, but let
+ // other (enclosed) controls get mouse events also
+ if ( yPos < 10 )
+ return (long)HTCLIENT;
+ }
+ }
+#endif // !__WXWINCE__
+
+ return wxControl::MSWWindowProc(nMsg, wParam, lParam);
+}
+
+void wxStaticBox::GetBordersForSizer(int *borderTop, int *borderOther) const
+{
+ wxStaticBoxBase::GetBordersForSizer(borderTop, borderOther);
+
+ // 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
+ if ( !GetLabel().empty() )
+ *borderTop += GetCharHeight()/3;
+#endif // !wxDIALOG_UNIT_COMPATIBILITY
+}
+
+// MSWGetRegionWithoutSelf helper: removes the given rectangle from region
+static inline void
+SubtractRectFromRgn(HRGN hrgn, int left, int top, int right, int bottom)
+{
+ AutoHRGN hrgnRect(::CreateRectRgn(left, top, right, bottom));
+ if ( !hrgnRect )
+ {
+ wxLogLastError(_T("CreateRectRgn()"));
+ return;
+ }
+
+ ::CombineRgn(hrgn, hrgn, hrgnRect, RGN_DIFF);
+}
+
+void wxStaticBox::MSWGetRegionWithoutSelf(WXHRGN hRgn, int w, int h)
+{
+ HRGN hrgn = (HRGN)hRgn;
+
+ // remove the area occupied by the static box borders from the region
+ int borderTop, border;
+ GetBordersForSizer(&borderTop, &border);
+
+ // top
+ SubtractRectFromRgn(hrgn, 0, 0, w, borderTop);
- ScreenToClient(&xPos, &yPos);
+ // bottom
+ SubtractRectFromRgn(hrgn, 0, h - border, w, h);
+
+ // left
+ SubtractRectFromRgn(hrgn, 0, 0, border, h);
+
+ // right
+ SubtractRectFromRgn(hrgn, w - border, 0, w, h);
+}
- // Make sure you can drag by the top of the groupbox, but let
- // other (enclosed) controls get mouse events also
- if ( yPos < 10 )
- return (long)HTCLIENT;
+WXHRGN wxStaticBox::MSWGetRegionWithoutChildren()
+{
+ RECT rc;
+ ::GetWindowRect(GetHwnd(), &rc);
+ HRGN hrgn = ::CreateRectRgn(rc.left, rc.top, rc.right + 1, rc.bottom + 1);
+
+ // 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) )
+ {
+ 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) )
+ {
+ ::GetWindowRect(child, &rc);
+ if ( ::RectInRegion(hrgn, &rc) )
+ {
+ // 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);
}
- break;
-#endif
+ }
}
- return wxControl::MSWWindowProc(nMsg, wParam, lParam);
+ return (WXHRGN)hrgn;
+}
+
+// helper for OnPaint()
+void wxStaticBox::PaintBackground(wxDC& dc, const RECT& rc)
+{
+ HBRUSH hbr = (HBRUSH)DoMSWControlColor(GetHdcOf(dc), wxNullColour);
+ if ( !hbr )
+ {
+ wxBrush *
+ brush = wxTheBrushList->FindOrCreateBrush(GetBackgroundColour());
+ if ( brush )
+ hbr = GetHbrushOf(*brush);
+ }
+
+ if ( hbr )
+ ::FillRect(GetHdcOf(dc), &rc, hbr);
+}
+
+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
+ wxMemoryDC memdc;
+ wxBitmap bitmap(rc.right, rc.bottom);
+ memdc.SelectObject(bitmap);
+
+ PaintBackground(memdc, rc);
+ MSWDefWindowProc(WM_PAINT, (WPARAM)GetHdcOf(memdc), 0);
+
+ int borderTop, border;
+ GetBordersForSizer(&borderTop, &border);
+
+ // top
+ dc.Blit(border, 0, rc.right - border, borderTop,
+ &memdc, border, 0);
+ // bottom
+ dc.Blit(border, rc.bottom - border, rc.right - border, rc.bottom,
+ &memdc, border, rc.bottom - border);
+ // left
+ dc.Blit(0, 0, border, rc.bottom,
+ &memdc, 0, 0);
+ // right
+ dc.Blit(rc.right - border, 0, rc.right, rc.bottom,
+ &memdc, rc.right - border, 0);
+
+ AutoHRGN hrgn((HRGN)MSWGetRegionWithoutChildren());
+ RECT rcWin;
+ ::GetWindowRect(GetHwnd(), &rcWin);
+ ::OffsetRgn(hrgn, -rcWin.left, -rcWin.top);
+
+
+ // now remove the box itself
+ MSWGetRegionWithoutSelf((WXHRGN) hrgn, rc.right, rc.bottom);
+
+ // and paint the inside of the box (excluding child controls)
+ ::SelectClipRgn(GetHdcOf(dc), hrgn);
+ PaintBackground(dc, rc);
+ ::SelectClipRgn(GetHdcOf(dc), NULL);
}
#endif // wxUSE_STATBOX
projects / wxWidgets.git / blobdiff