// headers
// ----------------------------------------------------------------------------
-#ifdef __GNUG__
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
#pragma implementation "statbox.h"
#endif
#endif
#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"
+#include "wx/msw/missing.h"
// ----------------------------------------------------------------------------
// wxWin macros
// ----------------------------------------------------------------------------
+#if wxUSE_EXTENDED_RTTI
+WX_DEFINE_FLAGS( wxStaticBoxStyle )
+
+wxBEGIN_FLAGS( wxStaticBoxStyle )
+ // new style border flags, we put them first to
+ // use them for streaming out
+ wxFLAGS_MEMBER(wxBORDER_SIMPLE)
+ wxFLAGS_MEMBER(wxBORDER_SUNKEN)
+ wxFLAGS_MEMBER(wxBORDER_DOUBLE)
+ wxFLAGS_MEMBER(wxBORDER_RAISED)
+ wxFLAGS_MEMBER(wxBORDER_STATIC)
+ wxFLAGS_MEMBER(wxBORDER_NONE)
+
+ // old style border flags
+ wxFLAGS_MEMBER(wxSIMPLE_BORDER)
+ wxFLAGS_MEMBER(wxSUNKEN_BORDER)
+ wxFLAGS_MEMBER(wxDOUBLE_BORDER)
+ wxFLAGS_MEMBER(wxRAISED_BORDER)
+ wxFLAGS_MEMBER(wxSTATIC_BORDER)
+ wxFLAGS_MEMBER(wxBORDER)
+
+ // standard window styles
+ wxFLAGS_MEMBER(wxTAB_TRAVERSAL)
+ wxFLAGS_MEMBER(wxCLIP_CHILDREN)
+ wxFLAGS_MEMBER(wxTRANSPARENT_WINDOW)
+ wxFLAGS_MEMBER(wxWANTS_CHARS)
+ wxFLAGS_MEMBER(wxFULL_REPAINT_ON_RESIZE)
+ wxFLAGS_MEMBER(wxALWAYS_SHOW_SB )
+ wxFLAGS_MEMBER(wxVSCROLL)
+ wxFLAGS_MEMBER(wxHSCROLL)
+
+wxEND_FLAGS( wxStaticBoxStyle )
+
+IMPLEMENT_DYNAMIC_CLASS_XTI(wxStaticBox, wxControl,"wx/statbox.h")
+
+wxBEGIN_PROPERTIES_TABLE(wxStaticBox)
+ wxPROPERTY( Label,wxString, SetLabel, GetLabel, wxString() , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
+ wxPROPERTY_FLAGS( WindowStyle , wxStaticBoxStyle , long , SetWindowStyleFlag , GetWindowStyleFlag , EMPTY_MACROVALUE, 0 /*flags*/ , wxT("Helpstring") , wxT("group")) // style
+/*
+ TODO PROPERTIES :
+ label
+*/
+wxEND_PROPERTIES_TABLE()
+
+wxBEGIN_HANDLERS_TABLE(wxStaticBox)
+wxEND_HANDLERS_TABLE()
+
+wxCONSTRUCTOR_6( wxStaticBox , wxWindow* , Parent , wxWindowID , Id , wxString , Label , wxPoint , Position , wxSize , Size , long , WindowStyle )
+#else
IMPLEMENT_DYNAMIC_CLASS(wxStaticBox, wxControl)
+#endif
// ============================================================================
// implementation
const wxString& name)
{
if ( !CreateControl(parent, id, pos, size, style, wxDefaultValidator, name) )
- return FALSE;
+ return false;
- // as wxStaticBox doesn't draw its own background, we make it transparent
- // to force redrawing its background which could have been overwritten by
- // the other controls inside it
- //
- // FIXME: I still think that it isn't the right solution because the static
- // boxes shouldn't have to be transparent if the redrawing was done
- // right elsewhere - who ever had to make them transparent in non
- // wxWindows programs, after all? But for now it does fix a serious
- // problem (try resizing the sizers test screen in the layout sample
- // after removing WS_EX_TRANSPARENT bit) and so let's use it until
- // we fix the real underlying problem
- if ( !MSWCreateControl(wxT("BUTTON"), BS_GROUPBOX, pos, size, label,
- WS_EX_TRANSPARENT) )
- return FALSE;
-
- // to be transparent we should have the same colour as the parent as well
- SetBackgroundColour(GetParent()->GetBackgroundColour());
-
- return TRUE;
+ if ( !MSWCreateControl(wxT("BUTTON"), label, pos, size) )
+ return false;
+
+#ifndef __WXWINCE__
+ Connect(wxEVT_PAINT, wxPaintEventHandler(wxStaticBox::OnPaint));
+#endif // !__WXWINCE__
+
+ return true;
+}
+
+wxBorder wxStaticBox::GetDefaultBorder() const
+{
+ return wxBORDER_NONE;
+}
+
+WXDWORD wxStaticBox::MSWGetStyle(long style, WXDWORD *exstyle) const
+{
+ 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 = 0;
+
+ // If any of the ancestors are scrolling windows, style has to be
+ // WS_EX_TRANSPARENT or the static box won't be painted when the window
+ // is scrolled. We try not to do this normally, because we get a lot of
+ // flicker.
+ for ( wxWindow *win = GetParent(); win; win = win->GetParent() )
+ {
+ if ( win->HasFlag(wxVSCROLL) || win->HasFlag(wxHSCROLL) )
+ {
+ *exstyle = WS_EX_TRANSPARENT;
+ break;
+ }
+
+ if ( win->IsTopLevel() )
+ break;
+ }
+ }
+
+ return styleWin | BS_GROUPBOX;
}
wxSize wxStaticBox::DoGetBestSize() const
{
int cx, cy;
- wxGetCharSize(GetHWND(), &cx, &cy, &GetFont());
+ wxGetCharSize(GetHWND(), &cx, &cy, GetFont());
int wBox;
GetTextExtent(wxGetWindowText(m_hWnd), &wBox, &cy);
return wxSize(wBox, hBox);
}
-long 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
+ // 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 = GET_X_LPARAM(lParam);
+ int yPos = GET_Y_LPARAM(lParam);
+
+ 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;
+ }
+ }
+
+ return wxControl::MSWWindowProc(nMsg, wParam, lParam);
+}
+
+// ----------------------------------------------------------------------------
+// static box drawing
+// ----------------------------------------------------------------------------
+
+/*
+ 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
+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);
+
+ // bottom
+ SubtractRectFromRgn(hrgn, 0, h - border, w, h);
+
+ // left
+ SubtractRectFromRgn(hrgn, 0, 0, border, h);
+
+ // right
+ SubtractRectFromRgn(hrgn, w - border, 0, w, h);
+}
+
+WXHRGN wxStaticBox::MSWGetRegionWithoutChildren()
{
- switch ( nMsg )
+ 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) )
{
- case WM_NCHITTEST:
- // FIXME: this hack is specific to dialog ed, shouldn't it be
- // somehow disabled during normal operation?
+ 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) )
{
- int xPos = LOWORD(lParam); // horizontal position of cursor
- int yPos = HIWORD(lParam); // vertical position of cursor
+ // 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);
- ScreenToClient(&xPos, &yPos);
+ // 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);
+ }
- // 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;
+ AutoHRGN hrgnChild(::CreateRectRgnIndirect(&rc));
+ ::CombineRgn(hrgn, hrgn, hrgnChild, RGN_DIFF);
}
- break;
-
- case WM_ERASEBKGND:
- // prevent wxControl from processing this message because it will
- // erase the background incorrectly and there is no way for us to
- // override this at wxWin event level (if we do process the event,
- // we don't know how to do it properly - paint the background
- // without painting over other controls - and if we don't,
- // wxControl still gets it)
- return MSWDefWindowProc(nMsg, wParam, lParam);
+ }
}
- return wxControl::MSWWindowProc(nMsg, wParam, lParam);
+ 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::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);
+
+ // 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(memdc), 0);
+
+
+ // 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);
+
+ // 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);
+
+
+ // create the region excluding box children
+ AutoHRGN hrgn((HRGN)MSWGetRegionWithoutChildren());
+ RECT rcWin;
+ ::GetWindowRect(GetHwnd(), &rcWin);
+ ::OffsetRgn(hrgn, -rcWin.left, -rcWin.top);
+
+ // and also the box itself
+ MSWGetRegionWithoutSelf((WXHRGN) hrgn, rc.right, rc.bottom);
+ HDCClipper clipToBg(GetHdcOf(dc), hrgn);
+
+ // paint the inside of the box (excluding box itself and child controls)
+ PaintBackground(dc, rc);
+}
+
+#endif // !__WXWINCE__
+
#endif // wxUSE_STATBOX
+
projects / wxWidgets.git / blobdiff