// Created: 24.09.01
// RCS-ID: $Id$
// Copyright: (c) 2001 SciTech Software, Inc. (www.scitechsoft.com)
-// License: wxWindows license
+// License: wxWindows licence
///////////////////////////////////////////////////////////////////////////////
// ============================================================================
// headers
// ----------------------------------------------------------------------------
-#ifdef __GNUG__
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
#pragma implementation "toplevel.h"
#endif
#include "wx/log.h"
#include "wx/intl.h"
#include "wx/frame.h"
+ #include "wx/containr.h" // wxSetFocusToChild()
#endif //WX_PRECOMP
+#include "wx/module.h"
+
#include "wx/msw/private.h"
-#include "wx/popupwin.h"
+#if defined(__WXWINCE__)
+ #include <ole2.h>
+ #include <shellapi.h>
+ #if _WIN32_WCE < 400
+ #include <aygshell.h>
+ #endif
+#include "wx/msw/wince/missing.h"
+#endif
+
+#include "wx/msw/winundef.h"
+
+// This can't be undefed in winundef.h or
+// there are further errors
+#if defined(__WXWINCE__) && defined(CreateDialog)
+#undef CreateDialog
+#endif
+
+#include "wx/display.h"
#ifndef ICON_BIG
#define ICON_BIG 1
#endif // __WXMICROWIN__
+// NB: wxDlgProc must be defined here and not in dialog.cpp because the latter
+// is not included by wxUniv build which does need wxDlgProc
+LONG APIENTRY _EXPORT
+wxDlgProc(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam);
+
// ----------------------------------------------------------------------------
// globals
// ----------------------------------------------------------------------------
// the name of the default wxWindows class
extern const wxChar *wxCanvasClassName;
-// the hidden parent for wxFRAME_NO_TASKBAR unowned frames
-wxWindow *wxTopLevelWindowMSW::ms_hiddenParent = NULL;
+// ----------------------------------------------------------------------------
+// wxTLWHiddenParentModule: used to manage the hidden parent window (we need a
+// module to ensure that the window is always deleted)
+// ----------------------------------------------------------------------------
+
+class wxTLWHiddenParentModule : public wxModule
+{
+public:
+ // module init/finalize
+ virtual bool OnInit();
+ virtual void OnExit();
+
+ // get the hidden window (creates on demand)
+ static HWND GetHWND();
+
+private:
+ // the HWND of the hidden parent
+ static HWND ms_hwnd;
+
+ // the class used to create it
+ static const wxChar *ms_className;
+
+ DECLARE_DYNAMIC_CLASS(wxTLWHiddenParentModule)
+};
+
+IMPLEMENT_DYNAMIC_CLASS(wxTLWHiddenParentModule, wxModule)
// ============================================================================
// wxTopLevelWindowMSW implementation
// ============================================================================
+BEGIN_EVENT_TABLE(wxTopLevelWindowMSW, wxTopLevelWindowBase)
+ EVT_ACTIVATE(wxTopLevelWindowMSW::OnActivate)
+END_EVENT_TABLE()
+
// ----------------------------------------------------------------------------
-// wxDialog helpers
+// wxTopLevelWindowMSW creation
// ----------------------------------------------------------------------------
-// Dialog window proc
-LONG APIENTRY _EXPORT
-wxDlgProc(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam)
+wxTopLevelWindowMSW::wxTopLevelWindowMSW()
{
- switch ( message )
- {
- case WM_INITDIALOG:
- // for this message, returning TRUE tells system to set focus to
- // the first control in the dialog box, but as we set the focus
- // ourselves, we return FALSE from here as well, so fall through
-
- default:
- // for all the other ones, FALSE means that we didn't process the
- // message
- return FALSE;
- }
+ Init();
}
-// ----------------------------------------------------------------------------
-// wxTopLevelWindowMSW creation
-// ----------------------------------------------------------------------------
+wxTopLevelWindowMSW::wxTopLevelWindowMSW(wxWindow *parent,
+ wxWindowID id,
+ const wxString& title,
+ const wxPoint& pos,
+ const wxSize& size,
+ long style,
+ const wxString& name)
+{
+ Init();
+
+ (void)Create(parent, id, title, pos, size, style, name);
+}
void wxTopLevelWindowMSW::Init()
{
m_fsOldWindowStyle = 0;
m_fsIsMaximized = FALSE;
m_fsIsShowing = FALSE;
+
+ m_winLastFocused = (wxWindow *)NULL;
}
WXDWORD wxTopLevelWindowMSW::MSWGetStyle(long style, WXDWORD *exflags) const
WXDWORD msflags = wxWindow::MSWGetStyle
(
(style & ~wxBORDER_MASK) | wxBORDER_NONE, exflags
- ) & ~WS_CHILD;
+ ) & ~WS_CHILD & ~WS_VISIBLE;
// first select the kind of window being created
//
if ( style & wxFRAME_TOOL_WINDOW )
msflags |= WS_POPUP;
else
- msflags |= WS_OVERLAPPED;
+ {
+#ifdef __WXWINCE__
+ if (msflags & WS_BORDER)
+#endif
+ msflags |= WS_OVERLAPPED;
+ }
// border and caption styles
if ( style & wxRESIZE_BORDER )
+ {
+#ifndef __WXWINCE__
msflags |= WS_THICKFRAME;
+#endif
+ }
+ else if ( exflags && ((style & wxBORDER_DOUBLE) || (style & wxBORDER_RAISED)) )
+ *exflags |= WS_EX_DLGMODALFRAME;
else if ( !(style & wxBORDER_NONE) )
msflags |= WS_BORDER;
+#ifndef __WXWINCE__
else
msflags |= WS_POPUP;
+#endif
if ( style & wxCAPTION )
msflags |= WS_CAPTION;
+#ifndef __WXWINCE__
else
msflags |= WS_POPUP;
+#endif
// next translate the individual flags
if ( style & wxMINIMIZE_BOX )
msflags |= WS_MAXIMIZEBOX;
if ( style & wxSYSTEM_MENU )
msflags |= WS_SYSMENU;
+#ifndef __WXWINCE__
if ( style & wxMINIMIZE )
msflags |= WS_MINIMIZE;
if ( style & wxMAXIMIZE )
msflags |= WS_MAXIMIZE;
+#endif
// Keep this here because it saves recoding this function in wxTinyFrame
#if wxUSE_ITSY_BITSY && !defined(__WIN32__)
if ( exflags )
{
-#if !defined(__WIN16__) && !defined(__SC__)
+#if !defined(__WIN16__)
if ( !(GetExtraStyle() & wxTOPLEVEL_EX_DIALOG) )
{
if ( style & wxFRAME_TOOL_WINDOW )
{
// create the palette-like window
*exflags |= WS_EX_TOOLWINDOW;
+
+ // tool windows shouldn't appear on the taskbar (as documented)
+ style |= wxFRAME_NO_TASKBAR;
}
// We have to solve 2 different problems here:
// The second one is solved here by using WS_EX_APPWINDOW flag, the
// first one is dealt with in our MSWGetParent() method
// implementation
+#ifndef __WXWINCE__
if ( !(style & wxFRAME_NO_TASKBAR) && GetParent() )
{
// need to force the frame to appear in the taskbar
*exflags |= WS_EX_APPWINDOW;
}
+#endif
//else: nothing to do [here]
}
#endif // !Win16
// parent HWND or it would be always on top of its parent which is not what
// we usually want (in fact, we only want it for frames with the
// wxFRAME_FLOAT_ON_PARENT flag)
- wxWindow *parent;
+ HWND hwndParent = NULL;
if ( HasFlag(wxFRAME_FLOAT_ON_PARENT) )
{
- parent = GetParent();
+ const wxWindow *parent = GetParent();
- // this flag doesn't make sense then and will be ignored
- wxASSERT_MSG( parent,
- _T("wxFRAME_FLOAT_ON_PARENT but no parent?") );
- }
- else // don't float on parent, must not be owned
- {
- parent = NULL;
+ if ( !parent )
+ {
+ // this flag doesn't make sense then and will be ignored
+ wxFAIL_MSG( _T("wxFRAME_FLOAT_ON_PARENT but no parent?") );
+ }
+ else
+ {
+ hwndParent = GetHwndOf(parent);
+ }
}
+ //else: don't float on parent, must not be owned
// now deal with the 2nd taskbar-related problem (see comments above in
// MSWGetStyle())
- if ( HasFlag(wxFRAME_NO_TASKBAR) && !parent )
+ if ( HasFlag(wxFRAME_NO_TASKBAR) && !hwndParent )
{
- if ( !ms_hiddenParent )
- {
- ms_hiddenParent = new wxTopLevelWindowMSW(NULL, -1, _T(""));
-
- // we shouldn't leave it in wxTopLevelWindows or we wouldn't
- // terminate the app when the last user-created frame is deleted --
- // see ~wxTopLevelWindowMSW
- wxTopLevelWindows.DeleteObject(ms_hiddenParent);
- }
-
- parent = ms_hiddenParent;
+ // use hidden parent
+ hwndParent = wxTLWHiddenParentModule::GetHWND();
}
- return parent ? parent->GetHWND() : NULL;
+ return (WXHWND)hwndParent;
}
bool wxTopLevelWindowMSW::CreateDialog(const void *dlgTemplate,
if ( !m_hWnd )
{
- wxFAIL_MSG(_("Failed to create dialog. Incorrect DLGTEMPLATE?"));
+ wxFAIL_MSG(wxT("Failed to create dialog. Incorrect DLGTEMPLATE?"));
- wxLogSysError(_("Can't create dialog using memory template"));
+ wxLogSysError(wxT("Can't create dialog using memory template"));
return FALSE;
}
if ( exflags )
{
::SetWindowLong(GetHwnd(), GWL_EXSTYLE, exflags);
- ::SetWindowPos(GetHwnd(), NULL, 0, 0, 0, 0,
+ ::SetWindowPos(GetHwnd(),
+ exflags & WS_EX_TOPMOST ? HWND_TOPMOST : 0,
+ 0, 0, 0, 0,
SWP_NOSIZE |
SWP_NOMOVE |
- SWP_NOZORDER |
+ (exflags & WS_EX_TOPMOST ? 0 : SWP_NOZORDER) |
SWP_NOACTIVATE);
}
long style,
const wxString& name)
{
+ bool ret wxDUMMY_INITIALIZE(false);
+
// init our fields
Init();
if ( style & (wxRESIZE_BORDER | wxCAPTION) )
dlgTemplate->style |= DS_MODALFRAME;
- bool ret = CreateDialog(dlgTemplate, title, pos, size);
+ ret = CreateDialog(dlgTemplate, title, pos, size);
free(dlgTemplate);
-
- return ret;
}
else // !dialog
{
- return CreateFrame(title, pos, size);
+ ret = CreateFrame(title, pos, size);
}
-}
-wxTopLevelWindowMSW::~wxTopLevelWindowMSW()
-{
- if ( this == ms_hiddenParent )
+ if ( ret && !(GetWindowStyleFlag() & wxCLOSE_BOX) )
{
- // stop [infinite] recursion which would otherwise happen when we do
- // "delete ms_hiddenParent" below
- return;
+ EnableCloseButton(false);
}
- wxTopLevelWindows.DeleteObject(this);
+ return ret;
+}
+wxTopLevelWindowMSW::~wxTopLevelWindowMSW()
+{
if ( wxModelessWindows.Find(this) )
wxModelessWindows.DeleteObject(this);
- // If this is the last top-level window, exit.
- if ( wxTheApp && (wxTopLevelWindows.Number() == 0) )
+ // after destroying an owned window, Windows activates the next top level
+ // window in Z order but it may be different from our owner (to reproduce
+ // this simply Alt-TAB to another application and back before closing the
+ // owned frame) whereas we always want to yield activation to our parent
+ if ( HasFlag(wxFRAME_FLOAT_ON_PARENT) )
{
- if ( ms_hiddenParent )
- {
- delete ms_hiddenParent;
- ms_hiddenParent = NULL;
- }
-
- wxTheApp->SetTopWindow(NULL);
-
- if ( wxTheApp->GetExitOnFrameDelete() )
+ wxWindow *parent = GetParent();
+ if ( parent )
{
- ::PostQuitMessage(0);
+ ::BringWindowToTop(GetHwndOf(parent));
}
}
}
}
else // just show
{
- nShowCmd = SW_SHOW;
+ if ( GetWindowStyle() & wxFRAME_TOOL_WINDOW )
+ nShowCmd = SW_SHOWNA;
+ else
+ nShowCmd = SW_SHOW;
}
}
else // hide
{
// we can't maximize the hidden frame because it shows it as well, so
// just remember that we should do it later in this case
- m_maximizeOnShow = TRUE;
+ m_maximizeOnShow = maximize;
}
}
bool wxTopLevelWindowMSW::IsMaximized() const
{
+#ifdef __WXWINCE__
+ return FALSE;
+#else
return ::IsZoomed(GetHwnd()) != 0;
+#endif
}
void wxTopLevelWindowMSW::Iconize(bool iconize)
bool wxTopLevelWindowMSW::IsIconized() const
{
+#ifdef __WXWINCE__
+ return FALSE;
+#else
// also update the current state
((wxTopLevelWindowMSW *)this)->m_iconized = ::IsIconic(GetHwnd()) != 0;
return m_iconized;
+#endif
}
void wxTopLevelWindowMSW::Restore()
bool wxTopLevelWindowMSW::ShowFullScreen(bool show, long style)
{
- if (show)
+ if ( show == IsFullScreen() )
{
- if (IsFullScreen())
- return FALSE;
+ // nothing to do
+ return TRUE;
+ }
- m_fsIsShowing = TRUE;
+ m_fsIsShowing = show;
+
+ if ( show )
+ {
m_fsStyle = style;
// zap the frame borders
// save the 'normal' window style
- m_fsOldWindowStyle = GetWindowLong((HWND)GetHWND(), GWL_STYLE);
+ m_fsOldWindowStyle = GetWindowLong(GetHwnd(), GWL_STYLE);
// save the old position, width & height, maximize state
m_fsOldSize = GetRect();
LONG offFlags = 0;
if (style & wxFULLSCREEN_NOBORDER)
- offFlags |= WS_BORDER | WS_THICKFRAME;
+ {
+ offFlags |= WS_BORDER;
+#ifndef __WXWINCE__
+ offFlags |= WS_THICKFRAME;
+#endif
+ }
if (style & wxFULLSCREEN_NOCAPTION)
- offFlags |= (WS_CAPTION | WS_SYSMENU);
+ offFlags |= WS_CAPTION | WS_SYSMENU;
- newStyle &= (~offFlags);
+ newStyle &= ~offFlags;
// change our window style to be compatible with full-screen mode
- ::SetWindowLong((HWND)GetHWND(), GWL_STYLE, newStyle);
+ ::SetWindowLong(GetHwnd(), GWL_STYLE, newStyle);
- // resize to the size of the desktop
- int width, height;
-
- RECT rect = wxGetWindowRect(::GetDesktopWindow());
- width = rect.right - rect.left;
- height = rect.bottom - rect.top;
+ wxRect rect;
+#if wxUSE_DISPLAY
+ // resize to the size of the display containing us
+ int dpy = wxDisplay::GetFromWindow(this);
+ if ( dpy != wxNOT_FOUND )
+ {
+ rect = wxDisplay(dpy).GetGeometry();
+ }
+ else // fall back to the main desktop
+#else // wxUSE_DISPLAY
+ {
+ // resize to the size of the desktop
+ wxCopyRECTToRect(wxGetWindowRect(::GetDesktopWindow()), rect);
+#ifdef __WXWINCE__
+ // FIXME: size of the bottom menu (toolbar)
+ // should be taken in account
+ rect.height += rect.y;
+ rect.y = 0;
+#endif
+ }
+#endif // wxUSE_DISPLAY
- SetSize(width, height);
+ SetSize(rect);
// now flush the window style cache and actually go full-screen
- SetWindowPos((HWND)GetHWND(), HWND_TOP, 0, 0, width, height, SWP_FRAMECHANGED);
+ long flags = SWP_FRAMECHANGED;
- wxSizeEvent event(wxSize(width, height), GetId());
- GetEventHandler()->ProcessEvent(event);
+ // showing the frame full screen should also show it if it's still
+ // hidden
+ if ( !IsShown() )
+ {
+ // don't call wxWindow version to avoid flicker from calling
+ // ::ShowWindow() -- we're going to show the window at the correct
+ // location directly below -- but do call the wxWindowBase version
+ // to sync the internal m_isShown flag
+ wxWindowBase::Show();
- return TRUE;
- }
- else
- {
- if (!IsFullScreen())
- return FALSE;
+ flags |= SWP_SHOWWINDOW;
+ }
+
+ SetWindowPos(GetHwnd(), HWND_TOP,
+ rect.x, rect.y, rect.width, rect.height,
+ flags);
- m_fsIsShowing = FALSE;
+#if defined(__WXWINCE__) && _WIN32_WCE < 400
+ ::SHFullScreen(GetHwnd(), SHFS_HIDETASKBAR | SHFS_HIDESIPBUTTON);
+#endif
+ // finally send an event allowing the window to relayout itself &c
+ wxSizeEvent event(rect.GetSize(), GetId());
+ GetEventHandler()->ProcessEvent(event);
+ }
+ else // stop showing full screen
+ {
+#if defined(__WXWINCE__) && _WIN32_WCE < 400
+ ::SHFullScreen(GetHwnd(), SHFS_SHOWTASKBAR | SHFS_SHOWSIPBUTTON);
+#endif
Maximize(m_fsIsMaximized);
- SetWindowLong((HWND)GetHWND(),GWL_STYLE, m_fsOldWindowStyle);
- SetWindowPos((HWND)GetHWND(),HWND_TOP,m_fsOldSize.x, m_fsOldSize.y,
+ SetWindowLong(GetHwnd(),GWL_STYLE, m_fsOldWindowStyle);
+ SetWindowPos(GetHwnd(),HWND_TOP,m_fsOldSize.x, m_fsOldSize.y,
m_fsOldSize.width, m_fsOldSize.height, SWP_FRAMECHANGED);
-
- return TRUE;
}
+
+ return TRUE;
}
// ----------------------------------------------------------------------------
bool wxTopLevelWindowMSW::EnableCloseButton(bool enable)
{
-#ifndef __WXMICROWIN__
+#if !defined(__WXMICROWIN__)
// get system (a.k.a. window) menu
- HMENU hmenu = ::GetSystemMenu(GetHwnd(), FALSE /* get it */);
+ HMENU hmenu = GetSystemMenu(GetHwnd(), FALSE /* get it */);
if ( !hmenu )
{
- wxLogLastError(_T("GetSystemMenu"));
-
- return FALSE;
+ // no system menu at all -- ok if we want to remove the close button
+ // anyhow, but bad if we want to show it
+ return !enable;
}
// enabling/disabling the close item from it also automatically
return TRUE;
}
+bool wxTopLevelWindowMSW::SetShape(const wxRegion& region)
+{
+#ifdef __WXWINCE__
+ return FALSE;
+#else
+ wxCHECK_MSG( HasFlag(wxFRAME_SHAPED), FALSE,
+ _T("Shaped windows must be created with the wxFRAME_SHAPED style."));
+
+ // The empty region signifies that the shape should be removed from the
+ // window.
+ if ( region.IsEmpty() )
+ {
+ if (::SetWindowRgn(GetHwnd(), NULL, TRUE) == 0)
+ {
+ wxLogLastError(_T("SetWindowRgn"));
+ return FALSE;
+ }
+ return TRUE;
+ }
+
+ // Windows takes ownership of the region, so
+ // we'll have to make a copy of the region to give to it.
+ DWORD noBytes = ::GetRegionData(GetHrgnOf(region), 0, NULL);
+ RGNDATA *rgnData = (RGNDATA*) new char[noBytes];
+ ::GetRegionData(GetHrgnOf(region), noBytes, rgnData);
+ HRGN hrgn = ::ExtCreateRegion(NULL, noBytes, rgnData);
+ delete[] (char*) rgnData;
+
+ // SetWindowRgn expects the region to be in coordinants
+ // relative to the window, not the client area. Figure
+ // out the offset, if any.
+ RECT rect;
+ DWORD dwStyle = ::GetWindowLong(GetHwnd(), GWL_STYLE);
+ DWORD dwExStyle = ::GetWindowLong(GetHwnd(), GWL_EXSTYLE);
+ ::GetClientRect(GetHwnd(), &rect);
+ ::AdjustWindowRectEx(&rect, dwStyle, FALSE, dwExStyle);
+ ::OffsetRgn(hrgn, -rect.left, -rect.top);
+
+ // Now call the shape API with the new region.
+ if (::SetWindowRgn(GetHwnd(), hrgn, TRUE) == 0)
+ {
+ wxLogLastError(_T("SetWindowRgn"));
+ return FALSE;
+ }
+ return TRUE;
+#endif
+}
+
// ----------------------------------------------------------------------------
-// wxTopLevelWindowMSW message processing
+// wxTopLevelWindow event handling
// ----------------------------------------------------------------------------
-long wxTopLevelWindowMSW::HandleNcActivate(bool activate)
+// Default activation behaviour - set the focus for the first child
+// subwindow found.
+void wxTopLevelWindowMSW::OnActivate(wxActivateEvent& event)
{
-#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) )
+ if ( event.GetActive() )
{
- return TRUE;
+ // restore focus to the child which was last focused unless we already
+ // have it
+ wxLogTrace(_T("focus"), _T("wxTLW %08x activated."), (int) m_hWnd);
+
+ wxWindow *winFocus = FindFocus();
+ if ( !winFocus || wxGetTopLevelParent(winFocus) != this )
+ {
+ wxWindow *parent = m_winLastFocused ? m_winLastFocused->GetParent()
+ : NULL;
+ if ( !parent )
+ {
+ parent = this;
+ }
+
+ wxSetFocusToChild(parent, &m_winLastFocused);
+ }
}
-#endif // wxUSE_POPUPWIN
+ else // deactivating
+ {
+ // remember the last focused child if it is our child
+ m_winLastFocused = FindFocus();
- return FALSE;
+ if ( m_winLastFocused )
+ {
+ // let it know that it doesn't have focus any more
+ m_winLastFocused->HandleKillFocus((WXHWND)NULL);
+
+ // and don't remember it if it's a child from some other frame
+ if ( wxGetTopLevelParent(m_winLastFocused) != this )
+ {
+ m_winLastFocused = NULL;
+ }
+ }
+
+ wxLogTrace(_T("focus"),
+ _T("wxTLW %08x deactivated, last focused: %08x."),
+ (int) m_hWnd,
+ (int) (m_winLastFocused ? GetHwndOf(m_winLastFocused)
+ : NULL));
+
+ event.Skip();
+ }
}
-long
-wxTopLevelWindowMSW::MSWWindowProc(WXUINT msg, WXWPARAM wParam, WXLPARAM lParam)
+// the DialogProc for all wxWindows dialogs
+LONG APIENTRY _EXPORT
+wxDlgProc(HWND WXUNUSED(hDlg),
+ UINT message,
+ WPARAM WXUNUSED(wParam),
+ LPARAM WXUNUSED(lParam))
{
- if ( msg == WM_NCACTIVATE && HandleNcActivate(wParam != 0) )
+ switch ( message )
{
- // we processed WM_NCACTIVATE ourselves
- return TRUE;
+ case WM_INITDIALOG:
+ // for this message, returning TRUE tells system to set focus to
+ // the first control in the dialog box, but as we set the focus
+ // ourselves, we return FALSE from here as well, so fall through
+
+ default:
+ // for all the other ones, FALSE means that we didn't process the
+ // message
+ return FALSE;
}
+}
+
+// ============================================================================
+// wxTLWHiddenParentModule implementation
+// ============================================================================
+
+HWND wxTLWHiddenParentModule::ms_hwnd = NULL;
- return wxTopLevelWindowBase::MSWWindowProc(msg, wParam, lParam);
+const wxChar *wxTLWHiddenParentModule::ms_className = NULL;
+
+bool wxTLWHiddenParentModule::OnInit()
+{
+ ms_hwnd = NULL;
+ ms_className = NULL;
+
+ return TRUE;
}
+
+void wxTLWHiddenParentModule::OnExit()
+{
+ if ( ms_hwnd )
+ {
+ if ( !::DestroyWindow(ms_hwnd) )
+ {
+ wxLogLastError(_T("DestroyWindow(hidden TLW parent)"));
+ }
+
+ ms_hwnd = NULL;
+ }
+
+ if ( ms_className )
+ {
+ if ( !::UnregisterClass(ms_className, wxGetInstance()) )
+ {
+ wxLogLastError(_T("UnregisterClass(\"wxTLWHiddenParent\")"));
+ }
+
+ ms_className = NULL;
+ }
+}
+
+/* static */
+HWND wxTLWHiddenParentModule::GetHWND()
+{
+ if ( !ms_hwnd )
+ {
+ if ( !ms_className )
+ {
+ static const wxChar *HIDDEN_PARENT_CLASS = _T("wxTLWHiddenParent");
+
+ WNDCLASS wndclass;
+ wxZeroMemory(wndclass);
+
+ wndclass.lpfnWndProc = DefWindowProc;
+ wndclass.hInstance = wxGetInstance();
+ wndclass.lpszClassName = HIDDEN_PARENT_CLASS;
+
+ if ( !::RegisterClass(&wndclass) )
+ {
+ wxLogLastError(_T("RegisterClass(\"wxTLWHiddenParent\")"));
+ }
+ else
+ {
+ ms_className = HIDDEN_PARENT_CLASS;
+ }
+ }
+
+ ms_hwnd = ::CreateWindow(ms_className, wxEmptyString, 0, 0, 0, 0, 0, NULL,
+ (HMENU)NULL, wxGetInstance(), NULL);
+ if ( !ms_hwnd )
+ {
+ wxLogLastError(_T("CreateWindow(hidden TLW parent)"));
+ }
+ }
+
+ return ms_hwnd;
+}
+
+
projects / wxWidgets.git / blobdiff