X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/61179e28bd7f9e29af93582326919b91549db357..c5fc899bf29ca7d9c4e2a070e28228b430a68dd3:/src/msw/toplevel.cpp diff --git a/src/msw/toplevel.cpp b/src/msw/toplevel.cpp index 97580ec69e..0296aac6ce 100644 --- a/src/msw/toplevel.cpp +++ b/src/msw/toplevel.cpp @@ -6,7 +6,7 @@ // Created: 24.09.01 // RCS-ID: $Id$ // Copyright: (c) 2001 SciTech Software, Inc. (www.scitechsoft.com) -// License: wxWindows license +// License: wxWindows licence /////////////////////////////////////////////////////////////////////////////// // ============================================================================ @@ -17,7 +17,7 @@ // headers // ---------------------------------------------------------------------------- -#ifdef __GNUG__ +#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) #pragma implementation "toplevel.h" #endif @@ -35,11 +35,31 @@ #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" +#if defined(__WXWINCE__) + #include + #include + #if _WIN32_WCE < 400 + #include + #endif +#include "wx/msw/wince/missing.h" +#endif + +#include "wx/msw/missing.h" +#include "wx/msw/winundef.h" -#include "wx/popupwin.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 @@ -60,7 +80,8 @@ static inline bool IsZoomed(HWND WXUNUSED(hwnd)) { return FALSE; } #endif // __WXMICROWIN__ -// this is defined in dialog.cpp +// 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); @@ -74,8 +95,32 @@ wxWindowList wxModelessWindows; // 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 @@ -94,9 +139,6 @@ void wxTopLevelWindowMSW::Init() m_iconized = m_maximizeOnShow = FALSE; - // unlike (almost?) all other windows, frames are created hidden - m_isShown = FALSE; - // Data to save/restore when calling ShowFullScreen m_fsStyle = 0; m_fsOldWindowStyle = 0; @@ -113,7 +155,7 @@ 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 // @@ -123,20 +165,35 @@ WXDWORD wxTopLevelWindowMSW::MSWGetStyle(long style, WXDWORD *exflags) const 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 ) @@ -145,10 +202,12 @@ WXDWORD wxTopLevelWindowMSW::MSWGetStyle(long style, WXDWORD *exflags) const 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__) @@ -163,13 +222,15 @@ WXDWORD wxTopLevelWindowMSW::MSWGetStyle(long style, WXDWORD *exflags) const if ( exflags ) { -#if !defined(__WIN16__) && !defined(__SC__) 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: @@ -184,14 +245,15 @@ WXDWORD wxTopLevelWindowMSW::MSWGetStyle(long style, WXDWORD *exflags) const // 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 if ( style & wxSTAY_ON_TOP ) *exflags |= WS_EX_TOPMOST; @@ -211,38 +273,32 @@ WXHWND wxTopLevelWindowMSW::MSWGetParent() const // 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, @@ -288,9 +344,9 @@ 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; } @@ -301,10 +357,12 @@ bool wxTopLevelWindowMSW::CreateDialog(const void *dlgTemplate, 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); } @@ -329,25 +387,7 @@ bool wxTopLevelWindowMSW::CreateDialog(const void *dlgTemplate, // move the dialog to its initial position without forcing repainting int x, y, w, h; - if ( !MSWGetCreateWindowCoords(pos, size, x, y, w, h) ) - { - x = - w = (int)CW_USEDEFAULT; - } - - // we can't use CW_USEDEFAULT here as we're not calling CreateWindow() - // and passing CW_USEDEFAULT to MoveWindow() results in resizing the - // window to (0, 0) size which breaks quite a lot of things, e.g. the - // sizer calculation in wxSizer::Fit() - if ( w == (int)CW_USEDEFAULT ) - { - // the exact number doesn't matter, the dialog will be resized - // again soon anyhow but it should be big enough to allow - // calculation relying on "totalSize - clientSize > 0" work, i.e. - // at least greater than the title bar height - w = - h = 100; - } + (void)MSWGetCreateWindowCoords(pos, size, x, y, w, h); if ( x == (int)CW_USEDEFAULT ) { @@ -392,8 +432,13 @@ bool wxTopLevelWindowMSW::Create(wxWindow *parent, long style, const wxString& name) { + bool ret wxDUMMY_INITIALIZE(false); + int w, h; + // init our fields Init(); + w = WidthDefault(size.x); + h = HeightDefault(size.y); m_windowStyle = style; @@ -436,28 +481,41 @@ bool wxTopLevelWindowMSW::Create(wxWindow *parent, if ( style & (wxRESIZE_BORDER | wxCAPTION) ) dlgTemplate->style |= DS_MODALFRAME; - bool ret = CreateDialog(dlgTemplate, title, pos, size); + ret = CreateDialog(dlgTemplate, title, pos, wxSize(w,h)); free(dlgTemplate); - - return ret; } else // !dialog { - return CreateFrame(title, pos, size); + ret = CreateFrame(title, pos, wxSize(w,h)); } -} -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); + // for some reason we need to manually send ourselves this message as + // otherwise the mnemonics are always shown -- even if they're configured + // to be hidden until "Alt" is pressed in the control panel + // + // this could indicate a bug somewhere else but for now this is the only + // fix we have + if ( ret ) + { + SendMessage + ( + GetHwnd(), + WM_UPDATEUISTATE, + MAKEWPARAM(UIS_INITIALIZE, UISF_HIDEFOCUS | UISF_HIDEACCEL), + 0 + ); + } + return ret; +} + +wxTopLevelWindowMSW::~wxTopLevelWindowMSW() +{ if ( wxModelessWindows.Find(this) ) wxModelessWindows.DeleteObject(this); @@ -473,23 +531,6 @@ wxTopLevelWindowMSW::~wxTopLevelWindowMSW() ::BringWindowToTop(GetHwndOf(parent)); } } - - // If this is the last top-level window, exit. - if ( wxTheApp && (wxTopLevelWindows.Number() == 0) ) - { - if ( ms_hiddenParent ) - { - delete ms_hiddenParent; - ms_hiddenParent = NULL; - } - - wxTheApp->SetTopWindow(NULL); - - if ( wxTheApp->GetExitOnFrameDelete() ) - { - ::PostQuitMessage(0); - } - } } // ---------------------------------------------------------------------------- @@ -521,7 +562,10 @@ bool wxTopLevelWindowMSW::Show(bool show) } else // just show { - nShowCmd = SW_SHOW; + if ( GetWindowStyle() & wxFRAME_TOOL_WINDOW ) + nShowCmd = SW_SHOWNA; + else + nShowCmd = SW_SHOW; } } else // hide @@ -568,13 +612,17 @@ void wxTopLevelWindowMSW::Maximize(bool maximize) { // 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) @@ -584,10 +632,14 @@ 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() @@ -601,18 +653,22 @@ 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(); @@ -623,46 +679,84 @@ bool wxTopLevelWindowMSW::ShowFullScreen(bool show, long style) 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; } // ---------------------------------------------------------------------------- @@ -697,14 +791,14 @@ void wxTopLevelWindowMSW::SetIcons(const wxIconBundle& icons) 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 @@ -728,6 +822,54 @@ bool wxTopLevelWindowMSW::EnableCloseButton(bool enable) 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 +} + // ---------------------------------------------------------------------------- // wxTopLevelWindow event handling // ---------------------------------------------------------------------------- @@ -738,47 +880,145 @@ void wxTopLevelWindowMSW::OnActivate(wxActivateEvent& event) { if ( event.GetActive() ) { - // restore focus to the child which was last focused - wxLogTrace(_T("focus"), _T("wxTLW %08x activated."), m_hWnd); + // 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 *parent = m_winLastFocused ? m_winLastFocused->GetParent() - : NULL; - if ( !parent ) + wxWindow *winFocus = FindFocus(); + if ( !winFocus || wxGetTopLevelParent(winFocus) != this ) { - parent = this; - } + wxWindow *parent = m_winLastFocused ? m_winLastFocused->GetParent() + : NULL; + if ( !parent ) + { + parent = this; + } - wxSetFocusToChild(parent, &m_winLastFocused); + wxSetFocusToChild(parent, &m_winLastFocused); + } } else // deactivating { // remember the last focused child if it is our child m_winLastFocused = FindFocus(); - // so we NULL it out if it's a child from some other frame - wxWindow *win = m_winLastFocused; - while ( win ) + if ( m_winLastFocused ) { - if ( win->IsTopLevel() ) - { - if ( win != this ) - { - m_winLastFocused = NULL; - } + // let it know that it doesn't have focus any more + m_winLastFocused->HandleKillFocus((WXHWND)NULL); - break; + // and don't remember it if it's a child from some other frame + if ( wxGetTopLevelParent(m_winLastFocused) != this ) + { + m_winLastFocused = NULL; } - - win = win->GetParent(); } wxLogTrace(_T("focus"), _T("wxTLW %08x deactivated, last focused: %08x."), - m_hWnd, - m_winLastFocused ? GetHwndOf(m_winLastFocused) - : NULL); + (int) m_hWnd, + (int) (m_winLastFocused ? GetHwndOf(m_winLastFocused) + : NULL)); event.Skip(); } } +// the DialogProc for all wxWindows dialogs +LONG APIENTRY _EXPORT +wxDlgProc(HWND WXUNUSED(hDlg), + UINT message, + WPARAM WXUNUSED(wParam), + LPARAM WXUNUSED(lParam)) +{ + 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; + } +} + +// ============================================================================ +// wxTLWHiddenParentModule implementation +// ============================================================================ + +HWND wxTLWHiddenParentModule::ms_hwnd = NULL; + +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; +} + +