#pragma hdrstop
#endif
+#if wxUSE_STATBOX
+
#ifndef WX_PRECOMP
#include "wx/app.h"
#include "wx/dcclient.h"
// wxWin macros
// ----------------------------------------------------------------------------
-#if !USE_SHARED_LIBRARY
IMPLEMENT_DYNAMIC_CLASS(wxStaticBox, wxControl)
-BEGIN_EVENT_TABLE(wxStaticBox, wxControl)
- EVT_ERASE_BACKGROUND(wxStaticBox::OnEraseBackground)
-END_EVENT_TABLE()
-
-#endif
-
// ============================================================================
// implementation
// ============================================================================
if ( !CreateControl(parent, id, pos, size, style, wxDefaultValidator, name) )
return FALSE;
- if ( !MSWCreateControl(wxT("BUTTON"), BS_GROUPBOX) )
+ // 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;
- SetSize(pos.x, pos.y, size.x, size.y);
+ // to be transparent we should have the same colour as the parent as well
+ SetBackgroundColour(GetParent()->GetBackgroundColour());
return TRUE;
}
-wxSize wxStaticBox::DoGetBestSize()
+wxSize wxStaticBox::DoGetBestSize() const
{
int cx, cy;
wxGetCharSize(GetHWND(), &cx, &cy, &GetFont());
return wxSize(wBox, hBox);
}
-WXHBRUSH wxStaticBox::OnCtlColor(WXHDC pDC, WXHWND pWnd, WXUINT nCtlColor,
- WXUINT message,
- WXWPARAM wParam,
- WXLPARAM lParam)
-{
-#if wxUSE_CTL3D
- if ( m_useCtl3D )
- {
- HBRUSH hbrush = Ctl3dCtlColorEx(message, wParam, lParam);
- return (WXHBRUSH) hbrush;
- }
-#endif // wxUSE_CTL3D
-
- HDC hdc = (HDC)pDC;
- if (GetParent()->GetTransparentBackground())
- SetBkMode(hdc, TRANSPARENT);
- else
- SetBkMode(hdc, OPAQUE);
-
- const wxColour& colBack = GetBackgroundColour();
- ::SetBkColor(hdc, wxColourToRGB(colBack));
- ::SetTextColor(hdc, wxColourToRGB(GetForegroundColour()));
-
- wxBrush *brush= wxTheBrushList->FindOrCreateBrush(colBack, wxSOLID);
-
- return (WXHBRUSH)brush->GetResourceHandle();
-}
-
-// VZ: this is probably the most commented function in wxWindows, but I still
-// don't understand what it does and why. Wouldn't it be better to _never_
-// erase the background here? What would we lose if we didn't do it?
-// (FIXME)
-
-// Shouldn't erase the whole window, since the static box must only paint its
-// outline.
-void wxStaticBox::OnEraseBackground(wxEraseEvent& event)
-{
- // If we don't have this (call Default()), we don't paint the background properly.
- // If we do have this, we seem to overwrite enclosed controls.
- // Is it the WS_CLIPCHILDREN style that's causing the problems?
- // Probably - without this style, the background of the window will show through,
- // so the control doesn't have to paint it. The window background will always be
- // painted before all other controls, therefore there are no problems with
- // controls being hidden by the static box.
- // So, if we could specify wxCLIP_CHILDREN in window, or not, we could optimise painting better.
- // We would assume wxCLIP_CHILDREN in a frame and a scrolled window, but not in a panel.
- // Is this too platform-specific?? What else can we do? Not a lot, since we have to pass
- // this information from arbitrary wxWindow derivatives, and it depends on what you wish to
- // do with the windows.
- // Alternatively, just make sure that wxStaticBox is always at the back! There are probably
- // few other circumstances where it matters about child clipping. But what about painting onto
- // to panel, inside a groupbox? Doesn't appear, because the box wipes it out.
- wxWindow *parent = GetParent();
- if ( parent && parent->GetHWND() &&
- (::GetWindowLong(GetHwndOf(parent), GWL_STYLE) & WS_CLIPCHILDREN) )
- {
- // TODO: May in fact need to generate a paint event for inside this
- // control's rectangle, otherwise all controls are going to be clipped -
- // ugh.
-
- // let wxControl::OnEraseBackground() do the job
- event.Skip();
- }
- //else: do *not* call event.Skip() or wxControl will erase the background
-}
-
long wxStaticBox::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam)
{
- if ( nMsg == WM_NCHITTEST)
+ switch ( nMsg )
{
- 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;
+ case WM_NCHITTEST:
+ // FIXME: this hack is specific to dialog ed, shouldn't it be
+ // somehow disabled during normal operation?
+ {
+ 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;
+ }
+ 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);
}
+#endif // wxUSE_STATBOX
projects / wxWidgets.git / blobdiff