537a0880d2
under GTK+. git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@31639 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
117 lines
3.3 KiB
C++
117 lines
3.3 KiB
C++
///////////////////////////////////////////////////////////////////////////////
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// Name: msw/popupwin.cpp
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// Purpose: implements wxPopupWindow for MSW
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// Author: Vadim Zeitlin
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// Modified by:
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// Created: 08.05.02
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// RCS-ID: $Id$
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// Copyright: (c) 2002 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
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// License: wxWindows licence
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///////////////////////////////////////////////////////////////////////////////
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// ============================================================================
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// declarations
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// ============================================================================
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// ----------------------------------------------------------------------------
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// headers
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// ----------------------------------------------------------------------------
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#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
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#pragma implementation "popup.h"
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#endif
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// For compilers that support precompilation, includes "wx.h".
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#include "wx/wxprec.h"
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#ifdef __BORLANDC__
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#pragma hdrstop
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#endif
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#ifndef WX_PRECOMP
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#include "wx/defs.h"
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#endif //WX_PRECOMP
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#if wxUSE_POPUPWIN
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#include "wx/popupwin.h"
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#include "wx/msw/private.h" // for GetDesktopWindow()
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// ============================================================================
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// implementation
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// ============================================================================
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bool wxPopupWindow::Create(wxWindow *parent, int flags)
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{
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// popup windows are created hidden by default
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Hide();
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return wxPopupWindowBase::Create(parent) &&
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wxWindow::Create(parent, wxID_ANY,
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wxDefaultPosition, wxDefaultSize,
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flags | wxPOPUP_WINDOW);
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}
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void wxPopupWindow::DoGetPosition(int *x, int *y) const
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{
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// the position of a "top level" window such as this should be in
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// screen coordinates, not in the client ones which MSW gives us
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// (because we are a child window)
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wxPopupWindowBase::DoGetPosition(x, y);
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GetParent()->ClientToScreen(x, y);
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}
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WXDWORD wxPopupWindow::MSWGetStyle(long flags, WXDWORD *exstyle) const
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{
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// we only honour the border flags, the others don't make sense for us
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WXDWORD style = wxWindow::MSWGetStyle(flags & wxBORDER_MASK, exstyle);
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if ( exstyle )
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{
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// a popup window floats on top of everything
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*exstyle |= WS_EX_TOPMOST | WS_EX_TOOLWINDOW;
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}
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return style;
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}
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WXHWND wxPopupWindow::MSWGetParent() const
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{
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// we must be a child of the desktop to be able to extend beyond the parent
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// window client area (like the comboboxes drop downs do)
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//
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// NB: alternative implementation would be to use WS_POPUP instead of
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// WS_CHILD but then showing a popup would deactivate the parent which
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// is ugly and working around this, although possible, is even more
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// ugly
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// GetDesktopWindow() is not always supported on WinCE, and if
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// it is, it often returns NULL.
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#ifdef __WXWINCE__
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return 0;
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#else
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return (WXHWND)::GetDesktopWindow();
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#endif
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}
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bool wxPopupWindow::Show(bool show)
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{
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if ( !wxWindowMSW::Show(show) )
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return false;
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if ( show )
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{
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// raise to top of z order
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if (!::SetWindowPos(GetHwnd(), HWND_TOP, 0, 0, 0, 0, SWP_NOMOVE | SWP_NOSIZE))
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{
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wxLogLastError(_T("SetWindowPos"));
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}
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}
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return true;
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}
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#endif // #if wxUSE_POPUPWIN
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