bool Create(wxWindow *parent, int flags = wxBORDER_NONE);
- // implementation only from now on
- // -------------------------------
-
- // override Show() to prevent wxPopupWindow from being activated
- virtual bool Show(bool show = TRUE);
-
- // find a shown popup window with the given window as parent, return NULL
- // if none
- static wxPopupWindow *FindPopupFor(wxWindow *win);
-
protected:
// popups handle the position like wxTopLevelWindow, not wxWindow
virtual void DoGetPosition(int *x, int *y) const;
// return the style to be used for the popup windows
virtual WXDWORD MSWGetStyle(long flags, WXDWORD *exstyle) const;
- // the list of all currently shown popup windows used by FindPopupFor()
- static wxWindowList ms_shownPopups;
+ // get the HWND to be used as parent of this window with CreateWindow()
+ virtual WXHWND MSWGetParent() const;
DECLARE_DYNAMIC_CLASS(wxPopupWindow)
};
// choose the right parent to use with CreateWindow()
virtual WXHWND MSWGetParent() const;
- // we handle WM_NCACTIVATE specially here
- virtual long MSWWindowProc(WXUINT msg, WXWPARAM wParam, WXLPARAM lParam);
-
// is the window currently iconized?
bool m_iconized;
#include "wx/univ/renderer.h"
#endif // __WXUNIVERSAL__
-// there is no src/{msw,mgl}/popupwin.cpp to put this in, so we do it here - BTW we
+// there is no src/mgl/popupwin.cpp to put this in, so we do it here - BTW we
// probably could do it for all ports here just as well
-#if defined(__WXMSW__) || defined(__WXMGL__) || defined(__WXPM__)
+#if defined(__WXMGL__) || defined(__WXPM__)
IMPLEMENT_DYNAMIC_CLASS(wxPopupWindow, wxWindow)
#endif // __WXMSW__
#include "wx/popupwin.h"
-#include "wx/msw/private.h" // for WS_CHILD and WS_POPUP
+#include "wx/msw/private.h" // for GetDesktopWindow()
-wxWindowList wxPopupWindow::ms_shownPopups;
+IMPLEMENT_DYNAMIC_CLASS(wxPopupWindow, wxWindow)
// ============================================================================
// implementation
WXDWORD wxPopupWindow::MSWGetStyle(long flags, WXDWORD *exstyle) const
{
- // we only hnour the border flags
+ // we only honour the border flags, the others don't make sense for us
WXDWORD style = wxWindow::MSWGetStyle(flags & wxBORDER_MASK, exstyle);
- // and we mustn't have WS_CHILD style or we would be limited to the parents
- // client area
- style &= ~WS_CHILD;
- style |= WS_POPUP;
-
if ( exstyle )
{
// a popup window floats on top of everything
return style;
}
-bool wxPopupWindow::Show(bool show)
+WXHWND wxPopupWindow::MSWGetParent() const
{
- // skip wxWindow::Show() which calls wxBringWindowToTop(): this results in
- // activating the popup window and stealing the atcivation from our parent
- // which means that the parent frame becomes deactivated when opening a
- // combobox, for example -- definitely not what we want
- if ( !wxWindowBase::Show(show) )
- return FALSE;
-
- if ( show )
- {
- ms_shownPopups.Append(this);
- }
- else // remove from the shown list
- {
- ms_shownPopups.DeleteObject(this);
- }
-
- ::ShowWindow(GetHwnd(), show ? SW_SHOWNOACTIVATE : SW_HIDE);
-
- return TRUE;
-}
-
-/* static */
-wxPopupWindow *wxPopupWindow::FindPopupFor(wxWindow *winParent)
-{
- // find a popup with the given parent in the linked list of all shown
- // popups
- for ( wxWindowList::Node *node = ms_shownPopups.GetFirst();
- node;
- node = node->GetNext() )
- {
- wxWindow *win = node->GetData();
- if ( win->GetParent() == winParent )
- return (wxPopupWindow *)win;
- }
-
- return NULL;
+ // we must be a child of the desktop to be able to extend beyond the parent
+ // window client area (like the comboboxes drop downs do)
+ //
+ // NB: alternative implementation would be to use WS_POPUP instead of
+ // WS_CHILD but then showing a popup would deactivate the parent which
+ // is ugly and working around this, although possible, is even more
+ // ugly
+ return (WXHWND)::GetDesktopWindow();
}
return TRUE;
}
-// ----------------------------------------------------------------------------
-// wxTopLevelWindowMSW message processing
-// ----------------------------------------------------------------------------
-
-long wxTopLevelWindowMSW::HandleNcActivate(bool activate)
-{
-#if wxUSE_POPUPWIN
- /*
- Normally, when another top level (whether it is overlapped or popup)
- window is shown, it is activated and the parent window (i.e. we) loses
- the activation. This, however, looks very ugly when the child window is
- a [custom] combobox which we implement using a popup window as surely
- opening a combobox shouldn't result in deactivating the parent window.
-
- So we don't redraw the title bar in this case, even if we still return
- TRUE to let the change of activation to take place as otherwise the
- controls inside the popup window wouldn't work properly.
- */
- if ( !activate && wxPopupWindow::FindPopupFor(this) )
- {
- return TRUE;
- }
-#endif // wxUSE_POPUPWIN
-
- return FALSE;
-}
-
-long
-wxTopLevelWindowMSW::MSWWindowProc(WXUINT msg, WXWPARAM wParam, WXLPARAM lParam)
-{
- if ( msg == WM_NCACTIVATE )
- {
- if ( HandleNcActivate(wParam != 0) )
- {
- // we processed WM_NCACTIVATE ourselves
- return TRUE;
- }
- }
-
- return wxTopLevelWindowBase::MSWWindowProc(msg, wParam, lParam);
-}