// headers
// ----------------------------------------------------------------------------
-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
- #pragma implementation "statbox.h"
-#endif
-
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
#endif
#include "wx/statbox.h"
+#include "wx/notebook.h"
+#include "wx/sysopt.h"
+#include "wx/image.h"
+#include "wx/dcmemory.h"
+#include "wx/sysopt.h"
+#include "wx/msw/uxtheme.h"
#include "wx/msw/private.h"
-#include "wx/msw/notebook.h"
+#include "wx/msw/missing.h"
// ----------------------------------------------------------------------------
// wxWin macros
if ( !CreateControl(parent, id, pos, size, style, wxDefaultValidator, name) )
return false;
- if ( !MSWCreateControl(wxT("BUTTON"), BS_GROUPBOX, pos, size, label, 0) )
+ if ( !MSWCreateControl(wxT("BUTTON"), label, pos, size) )
return false;
+#ifndef __WXWINCE__
+ if (!wxSystemOptions::IsFalse(wxT("msw.staticbox.optimized-paint")))
+ 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 )
+ {
+#ifndef __WXWINCE__
+ if (wxSystemOptions::IsFalse(wxT("msw.staticbox.optimized-paint")))
+ *exstyle = WS_EX_TRANSPARENT;
+ else
+#endif
+ *exstyle = 0;
+ }
+
+ return styleWin | BS_GROUPBOX;
+}
+
wxSize wxStaticBox::DoGetBestSize() const
{
int cx, cy;
wBox += 3*cx;
int hBox = EDIT_HEIGHT_FROM_CHAR_HEIGHT(cy);
- return wxSize(wBox, hBox);
+ wxSize best(wBox, hBox);
+ CacheBestSize(best);
+ return best;
+}
+
+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;
+ }
+ }
+
+ if ( nMsg == WM_PRINTCLIENT )
+ {
+ // we have to process WM_PRINTCLIENT ourselves as otherwise child
+ // windows' background (eg buttons in radio box) would never be drawn
+ // unless we have a parent with non default background
+
+ // so check first if we have one
+ if ( !HandlePrintClient((WXHDC)wParam) )
+ {
+ // no, we don't, erase the background ourselves
+ // (don't use our own) - see PaintBackground for explanation
+ wxBrush brush(GetParent()->GetBackgroundColour());
+ wxFillRect(GetHwnd(), (HDC)wParam, GetHbrushOf(brush));
+ }
+
+ return 0;
+ }
+
+ 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()
+{
+ 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;
}
-WXHBRUSH
-wxStaticBox::MSWGetBgBrushForSelf(wxWindow *parent, WXHDC WXUNUSED(pDC))
+// 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)
{
- // we can't use pattern brushes because, apparently, the window proc of our
- // class does something which invalidates the brush origin before drawing
- // with it and so any patetrn brush is used incorrectly as can be seen by
- // putting a static box inside a (themed) notebook
+ // 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 ( m_hasFgCol && wxUxThemeEngine::GetIfActive() )
+ {
+ // draw over the text in default colour in our colour
+ dc.SetFont(GetFont());
+
+ HDC hdc = GetHdcOf(dc);
+ ::SetTextColor(hdc, GetForegroundColour().GetPixel());
+
+ // FIXME: value of x is hardcoded as this is what it is on my system,
+ // no idea if it's true everywhere
+ const int y = dc.GetCharHeight();
+ const int x = 9;
+
+ // TODO: RTL?
+ RECT rc = { x, 0, GetSize().x - x, y };
+
+ const wxString label = GetLabel();
+ ::DrawText(hdc, label, label.length(), &rc, 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
//
- // so always use solid brush for painting the background (note that this
- // only applies to the background of the box label, not the insides of the
- // box itself)
- return parent->MSWGetSolidBgBrushForChild(this);
+ // 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