X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/6ed98c6a3b7f2be77ea16b5d26467796c1be9f4d..1978421a6d8b81c1f8a961da4b8ddf544fec7b1b:/src/os2/toplevel.cpp?ds=sidebyside diff --git a/src/os2/toplevel.cpp b/src/os2/toplevel.cpp index 4e74fa9343..3d292873a0 100644 --- a/src/os2/toplevel.cpp +++ b/src/os2/toplevel.cpp @@ -6,7 +6,7 @@ // Created: 30.12.01 // RCS-ID: $Id$ // Copyright: (c) 2001 SciTech Software, Inc. (www.scitechsoft.com) -// License: wxWindows license +// License: wxWindows licence /////////////////////////////////////////////////////////////////////////////// // ============================================================================ @@ -36,8 +36,10 @@ #include "wx/intl.h" #include "wx/frame.h" #include "wx/control.h" + #include "wx/containr.h" // wxSetFocusToChild() #endif //WX_PRECOMP +#include "wx/module.h" // wxSetFocusToChild() #include "wx/os2/private.h" // ---------------------------------------------------------------------------- @@ -59,6 +61,14 @@ extern void wxAssociateWinWithHandle( HWND hWnd bool wxTopLevelWindowOS2::m_sbInitialized = FALSE; wxWindow* wxTopLevelWindowOS2::m_spHiddenParent = NULL; +// ============================================================================ +// wxTopLevelWindowOS2 implementation +// ============================================================================ + +BEGIN_EVENT_TABLE(wxTopLevelWindowOS2, wxTopLevelWindowBase) + EVT_ACTIVATE(wxTopLevelWindowOS2::OnActivate) +END_EVENT_TABLE() + // ============================================================================ // wxTopLevelWindowMSW implementation // ============================================================================ @@ -70,24 +80,58 @@ MRESULT EXPENTRY wxDlgProc( HWND WXUNUSED(hWnd) ,MPARAM WXUNUSED(lParam) ) { - if (uMessage == WM_INITDLG) - { - // - // For this message, returning TRUE tells system to set focus to the - // first control in the dialog box. - // - return (MRESULT)TRUE; - } - else + switch(uMessage) { - // - // For all the other ones, FALSE means that we didn't process the - // message - // - return (MRESULT)FALSE; + case WM_INITDLG: + // + // For this message, returning TRUE tells system to set focus to + // the first control in the dialog box, but we set the focus + // ourselves, however in OS/2 we must return true to enable the dialog + // + return (MRESULT)TRUE; + default: + // + // For all the other ones, FALSE means that we didn't process the + // message + // + return (MRESULT)FALSE; } } // end of wxDlgProc +// ---------------------------------------------------------------------------- +// 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(void); + virtual void OnExit(void); + + // + // Get the hidden window (creates on demand) + // + static HWND GetHWND(void); + +private: + // + // The HWND of the hidden parent + // + static HWND m_shWnd; + + // + // The class used to create it + // + static const wxChar* m_szClassName; + DECLARE_DYNAMIC_CLASS(wxTLWHiddenParentModule) +}; // end of CLASS wxTLWHiddenParentModule + +IMPLEMENT_DYNAMIC_CLASS(wxTLWHiddenParentModule, wxModule) + // ---------------------------------------------------------------------------- // wxTopLevelWindowOS2 creation // ---------------------------------------------------------------------------- @@ -111,8 +155,65 @@ void wxTopLevelWindowOS2::Init() m_hFrame = NULLHANDLE; memset(&m_vSwp, 0, sizeof(SWP)); memset(&m_vSwpClient, 0, sizeof(SWP)); + m_pWinLastFocused = (wxWindow *)NULL; } // end of wxTopLevelWindowIOS2::Init +void wxTopLevelWindowOS2::OnActivate( + wxActivateEvent& rEvent +) +{ + if (rEvent.GetActive()) + { + // + // Restore focus to the child which was last focused + // + wxLogTrace(_T("focus"), _T("wxTLW %08x activated."), m_hWnd); + + wxWindow* pParent = m_pWinLastFocused ? m_pWinLastFocused->GetParent() + : NULL; + if (!pParent) + { + pParent = this; + } + + wxSetFocusToChild( pParent + ,&m_pWinLastFocused + ); + } + else // deactivating + { + // + // Remember the last focused child if it is our child + // + m_pWinLastFocused = FindFocus(); + + // + // So we NULL it out if it's a child from some other frame + // + wxWindow* pWin = m_pWinLastFocused; + + while (pWin) + { + if (pWin->IsTopLevel()) + { + if (pWin != this) + { + m_pWinLastFocused = NULL; + } + break; + } + pWin = pWin->GetParent(); + } + + wxLogTrace(_T("focus"), + _T("wxTLW %08x deactivated, last focused: %08x."), + m_hWnd, + m_pWinLastFocused ? GetHwndOf(m_pWinLastFocused) + : NULL); + rEvent.Skip(); + } +} // end of wxTopLevelWindowOS2::OnActivate + WXDWORD wxTopLevelWindowOS2::OS2GetStyle( long lStyle , WXDWORD* pdwExflags @@ -169,42 +270,44 @@ WXDWORD wxTopLevelWindowOS2::OS2GetStyle( WXHWND wxTopLevelWindowOS2::OS2GetParent() const { + HWND hWndParent = NULL; + // // For the frames without wxFRAME_FLOAT_ON_PARENT style we should use NULL // 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* pParent; - if (HasFlag(wxFRAME_FLOAT_ON_PARENT) ) { - pParent = GetParent(); + const wxWindow* pParent = GetParent(); - // this flag doesn't make sense then and will be ignored - wxASSERT_MSG( pParent, - _T("wxFRAME_FLOAT_ON_PARENT but no parent?") ); - } - else // don't float on parent, must not be owned - { - pParent = NULL; - } - if (HasFlag(wxFRAME_NO_TASKBAR) && !pParent) - { - if (!m_spHiddenParent) + if (!pParent) { - m_spHiddenParent = new wxTopLevelWindowOS2(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 + // This flag doesn't make sense then and will be ignored // - wxTopLevelWindows.DeleteObject(m_spHiddenParent); + wxFAIL_MSG( _T("wxFRAME_FLOAT_ON_PARENT but no parent?") ); } - pParent = m_spHiddenParent; + else + { + hWndParent = GetHwndOf(pParent); + } + } + //else: don't float on parent, must not be owned + + // + // Now deal with the 2nd taskbar-related problem (see comments above in + // OS2GetStyle()) + // + if (HasFlag(wxFRAME_NO_TASKBAR) && !hWndParent) + { + // + // Use hidden parent + // + hWndParent = wxTLWHiddenParentModule::GetHWND(); } - return pParent ? pParent->GetHWND() : NULL; + return (WXHWND)hWndParent; } // end of wxTopLevelWindowOS2::OS2GetParent bool wxTopLevelWindowOS2::CreateDialog( @@ -261,9 +364,9 @@ bool wxTopLevelWindowOS2::CreateDialog( if ( !m_hWnd ) { - wxFAIL_MSG(_("Did you forget to include wx/os2/wx.rc in your resources?")); + wxFAIL_MSG(wxT("Did you forget to include wx/os2/wx.rc in your resources?")); - wxLogSysError(_("Can't create dialog using template '%ul'"), ulDlgTemplate); + wxLogSysError(wxT("Can't create dialog using template '%ul'"), ulDlgTemplate); return FALSE; } @@ -332,7 +435,7 @@ bool wxTopLevelWindowOS2::CreateDialog( ,nY ,nWidth ,nHeight - ,SWP_MOVE | SWP_SIZE | SWP_ZORDER | SWP_SHOW + ,SWP_MOVE | SWP_SIZE | SWP_ZORDER | SWP_SHOW | SWP_ACTIVATE ); ::WinQueryWindowPos(GetHwnd(), GetSwp()); m_hFrame = m_hWnd; @@ -527,20 +630,26 @@ bool wxTopLevelWindowOS2::Create( wxTopLevelWindowOS2::~wxTopLevelWindowOS2() { - wxTopLevelWindows.DeleteObject(this); - if (wxModelessWindows.Find(this)) wxModelessWindows.DeleteObject(this); // - // If this is the last top-level window, exit. + // 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 (wxTheApp && (wxTopLevelWindows.Number() == 0)) + if (HasFlag(wxFRAME_FLOAT_ON_PARENT)) { - wxTheApp->SetTopWindow(NULL); - if ( wxTheApp->GetExitOnFrameDelete() ) + wxWindow* pParent = GetParent(); + + if (pParent) { - ::WinPostMsg(NULL, WM_QUIT, 0, 0); + ::WinSetWindowPos( GetHwndOf(pParent) + ,HWND_TOP + ,0, 0, 0, 0 + ,SWP_ZORDER + ); } } } // end of wxTopLevelWindowOS2::~wxTopLevelWindowOS2 @@ -610,6 +719,14 @@ bool wxTopLevelWindowOS2::Show( SWP vSwp; RECTL vRect; + if (bShow != IsShown() ) + { + m_isShown = bShow; + } + else + { + return FALSE; + } if (bShow) { if (m_bMaximizeOnShow) @@ -657,15 +774,6 @@ bool wxTopLevelWindowOS2::Show( ::WinQueryWindowPos(hWndParent, &vSwp); m_bIconized = vSwp.fl & SWP_MINIMIZE; - if (hWndParent) - ::WinSetWindowPos( hWndParent - ,HWND_TOP - ,vSwp.x - ,vSwp.y - ,vSwp.cx - ,vSwp.cy - ,SWP_ZORDER | SWP_ACTIVATE | SWP_SHOW | SWP_MOVE - ); ::WinEnableWindow(hWndParent, TRUE); } } @@ -693,7 +801,7 @@ void wxTopLevelWindowOS2::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_bMaximizeOnShow = TRUE; + m_bMaximizeOnShow = bMaximize; } } // end of wxTopLevelWindowOS2::Maximize @@ -936,3 +1044,75 @@ bool wxTopLevelWindowOS2::EnableCloseButton( return TRUE; } // end of wxTopLevelWindowOS2::EnableCloseButton +// ============================================================================ +// wxTLWHiddenParentModule implementation +// ============================================================================ + +HWND wxTLWHiddenParentModule::m_shWnd = NULL; +const wxChar* wxTLWHiddenParentModule::m_szClassName = NULL; + +bool wxTLWHiddenParentModule::OnInit() +{ + m_shWnd = NULL; + m_szClassName = NULL; + return TRUE; +} // end of wxTLWHiddenParentModule::OnInit + +void wxTLWHiddenParentModule::OnExit() +{ + if (m_shWnd) + { + if (!::WinDestroyWindow(m_shWnd)) + { + wxLogLastError(_T("DestroyWindow(hidden TLW parent)")); + } + m_shWnd = NULL; + } + + m_szClassName = NULL; +} // end of wxTLWHiddenParentModule::OnExit + +/* static */ +HWND wxTLWHiddenParentModule::GetHWND() +{ + if (!m_shWnd) + { + if (!m_szClassName) + { + static const wxChar* zHIDDEN_PARENT_CLASS = _T("wxTLWHiddenParent"); + + if (!::WinRegisterClass( wxGetInstance() + ,zHIDDEN_PARENT_CLASS + ,NULL + ,0 + ,sizeof(ULONG) + )) + { + wxLogLastError(_T("RegisterClass(\"wxTLWHiddenParent\")")); + } + else + { + m_szClassName = zHIDDEN_PARENT_CLASS; + } + } + m_shWnd = ::WinCreateWindow( HWND_DESKTOP + ,m_szClassName + ,"" + ,0L + ,(LONG)0L + ,(LONG)0L + ,(LONG)0L + ,(LONG)0L + ,NULLHANDLE + ,HWND_TOP + ,0L + ,NULL + ,NULL + ); + if (!m_shWnd) + { + wxLogLastError(_T("CreateWindow(hidden TLW parent)")); + } + } + return m_shWnd; +} // end of wxTLWHiddenParentModule::GetHWND