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[wxWidgets.git] / src / os2 / toplevel.cpp
index badfc618355142823be9e0c2b028482fb9accefa..1687a5b7ab20d14b93ecd8880ae5b71b66019fd2 100644 (file)
@@ -1,12 +1,12 @@
 ///////////////////////////////////////////////////////////////////////////////
-// Name:        msw/toplevel.cpp
-// Purpose:     implements wxTopLevelWindow for MSW
+// Name:        os2/toplevel.cpp
+// Purpose:     implements wxTopLevelWindow for OS/2
 // Author:      Vadim Zeitlin
 // Modified by:
 // Created:     30.12.01
 // RCS-ID:      $Id$
 // Copyright:   (c) 2001 SciTech Software, Inc. (www.scitechsoft.com)
-// License:     wxWindows license
+// License:     wxWindows licence
 ///////////////////////////////////////////////////////////////////////////////
 
 // ============================================================================
@@ -31,6 +31,7 @@
 #ifndef WX_PRECOMP
     #include "wx/app.h"
     #include "wx/toplevel.h"
+    #include "wx/dialog.h"
     #include "wx/string.h"
     #include "wx/log.h"
     #include "wx/intl.h"
@@ -39,6 +40,7 @@
     #include "wx/containr.h"        // wxSetFocusToChild()
 #endif //WX_PRECOMP
 
+#include "wx/module.h"        // wxSetFocusToChild()
 #include "wx/os2/private.h"
 
 // ----------------------------------------------------------------------------
 // globals
 // ----------------------------------------------------------------------------
 
-// list of all frames and modeless dialogs
-wxWindowList wxModelessWindows;
-
-// the name of the default wxWindows class
+// the name of the default wxWidgets class
 extern void          wxAssociateWinWithHandle( HWND         hWnd
                                               ,wxWindowOS2* pWin
                                              );
@@ -75,8 +74,8 @@ END_EVENT_TABLE()
 // Dialog window proc
 MRESULT EXPENTRY wxDlgProc( HWND WXUNUSED(hWnd)
                            ,UINT uMessage
-                           ,MPARAM WXUNUSED(wParam)
-                           ,MPARAM WXUNUSED(lParam)
+                           ,void * WXUNUSED(wParam)
+                           ,void * WXUNUSED(lParam)
                           )
 {
     switch(uMessage)
@@ -97,6 +96,40 @@ MRESULT EXPENTRY wxDlgProc( HWND WXUNUSED(hWnd)
     }
 } // 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
 // ----------------------------------------------------------------------------
@@ -132,7 +165,7 @@ void wxTopLevelWindowOS2::OnActivate(
         //
         // Restore focus to the child which was last focused
         //
-        wxLogTrace(_T("focus"), _T("wxTLW %08x activated."), m_hWnd);
+        wxLogTrace(_T("focus"), _T("wxTLW %08lx activated."), m_hWnd);
 
         wxWindow*                   pParent = m_pWinLastFocused ? m_pWinLastFocused->GetParent()
                                                                 : NULL;
@@ -171,7 +204,7 @@ void wxTopLevelWindowOS2::OnActivate(
         }
 
         wxLogTrace(_T("focus"),
-                   _T("wxTLW %08x deactivated, last focused: %08x."),
+                   _T("wxTLW %08lx deactivated, last focused: %08lx."),
                    m_hWnd,
                    m_pWinLastFocused ? GetHwndOf(m_pWinLastFocused)
                                      : NULL);
@@ -188,89 +221,90 @@ WXDWORD wxTopLevelWindowOS2::OS2GetStyle(
                                                                      ,pdwExflags
                                                                     );
 
-    if (lStyle == wxDEFAULT_FRAME_STYLE)
+    if ((lStyle & wxDEFAULT_FRAME_STYLE) == wxDEFAULT_FRAME_STYLE)
         lMsflags |= FCF_SIZEBORDER | FCF_TITLEBAR | FCF_SYSMENU |
                     FCF_MINMAX | FCF_TASKLIST;
+
+    if ((lStyle & wxCAPTION) == wxCAPTION)
+        lMsflags |= FCF_TASKLIST;
     else
+        lMsflags |= FCF_NOMOVEWITHOWNER;
+
+    if ((lStyle & wxVSCROLL) == wxVSCROLL)
+        lMsflags |= FCF_VERTSCROLL;
+    if ((lStyle & wxHSCROLL) == wxHSCROLL)
+        lMsflags |= FCF_HORZSCROLL;
+    if (lStyle & wxMINIMIZE_BOX)
+        lMsflags |= FCF_MINBUTTON;
+    if (lStyle & wxMAXIMIZE_BOX)
+        lMsflags |= FCF_MAXBUTTON;
+    if (lStyle & wxTHICK_FRAME)
+        lMsflags |= FCF_DLGBORDER;
+    if (lStyle & wxSYSTEM_MENU)
+        lMsflags |= FCF_SYSMENU;
+    if (lStyle & wxCAPTION)
+        lMsflags |= FCF_TASKLIST;
+    if (lStyle & wxCLIP_CHILDREN)
     {
-        if ((lStyle & wxCAPTION) == wxCAPTION)
-            lMsflags |= FCF_TASKLIST;
-        else
-            lMsflags |= FCF_NOMOVEWITHOWNER;
-
-        if ((lStyle & wxVSCROLL) == wxVSCROLL)
-            lMsflags |= FCF_VERTSCROLL;
-        if ((lStyle & wxHSCROLL) == wxHSCROLL)
-            lMsflags |= FCF_HORZSCROLL;
-        if (lStyle & wxMINIMIZE_BOX)
-            lMsflags |= FCF_MINBUTTON;
-        if (lStyle & wxMAXIMIZE_BOX)
-            lMsflags |= FCF_MAXBUTTON;
-        if (lStyle & wxTHICK_FRAME)
-            lMsflags |= FCF_DLGBORDER;
-        if (lStyle & wxSYSTEM_MENU)
-            lMsflags |= FCF_SYSMENU;
-        if (lStyle & wxCAPTION)
-            lMsflags |= FCF_TASKLIST;
-        if (lStyle & wxCLIP_CHILDREN)
-        {
-            // Invalid for frame windows under PM
-        }
+        // Invalid for frame windows under PM
+    }
 
-        if (lStyle & wxTINY_CAPTION_VERT)
-            lMsflags |= FCF_TASKLIST;
-        if (lStyle & wxTINY_CAPTION_HORIZ)
-            lMsflags |= FCF_TASKLIST;
+    if (lStyle & wxTINY_CAPTION_VERT)
+        lMsflags |= FCF_TASKLIST;
+    if (lStyle & wxTINY_CAPTION_HORIZ)
+        lMsflags |= FCF_TASKLIST;
 
-        if ((lStyle & wxTHICK_FRAME) == 0)
-            lMsflags |= FCF_BORDER;
-        if (lStyle & wxFRAME_TOOL_WINDOW)
-            *pdwExflags = kFrameToolWindow;
+    if ((lStyle & wxTHICK_FRAME) == 0)
+        lMsflags |= FCF_BORDER;
+    if (lStyle & wxFRAME_TOOL_WINDOW)
+        *pdwExflags = kFrameToolWindow;
+
+    if (lStyle & wxSTAY_ON_TOP)
+        lMsflags |= FCF_SYSMODAL;
 
-        if (lStyle & wxSTAY_ON_TOP)
-            lMsflags |= FCF_SYSMODAL;
-    }
     return lMsflags;
 } // end of wxTopLevelWindowOS2::OS2GetCreateWindowFlags
 
 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?") );
+        }
+        else
+        {
+            hWndParent = GetHwndOf(pParent);
         }
-        pParent = m_spHiddenParent;
     }
-    return pParent ? pParent->GetHWND() : NULL;
+    //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 (WXHWND)hWndParent;
 } // end of wxTopLevelWindowOS2::OS2GetParent
 
 bool wxTopLevelWindowOS2::CreateDialog(
@@ -327,9 +361,9 @@ 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 '%ld'"), ulDlgTemplate);
 
         return FALSE;
     }
@@ -464,7 +498,7 @@ bool wxTopLevelWindowOS2::CreateFrame(
     {
         vError = ::WinGetLastError(vHabmain);
         sError = wxPMErrorToStr(vError);
-        wxLogError("Error creating frame. Error: %s\n", sError);
+        wxLogError("Error creating frame. Error: %s\n", sError.c_str());
         return FALSE;
     }
 
@@ -488,7 +522,7 @@ bool wxTopLevelWindowOS2::CreateFrame(
     {
         vError = ::WinGetLastError(vHabmain);
         sError = wxPMErrorToStr(vError);
-        wxLogError("Error creating frame. Error: %s\n", sError);
+        wxLogError("Error creating frame. Error: %s\n", sError.c_str());
         return FALSE;
     }
 
@@ -525,7 +559,7 @@ bool wxTopLevelWindowOS2::CreateFrame(
     {
         vError = ::WinGetLastError(vHabmain);
         sError = wxPMErrorToStr(vError);
-        wxLogError("Error sizing frame. Error: %s\n", sError);
+        wxLogError("Error sizing frame. Error: %s\n", sError.c_str());
         return FALSE;
     }
     lStyle =  ::WinQueryWindowULong( m_hWnd
@@ -544,7 +578,7 @@ bool wxTopLevelWindowOS2::Create(
 , wxWindowID                        vId
 , const wxString&                   rsTitle
 , const wxPoint&                    rPos
-, const wxSize&                     rSize
+, const wxSize&                     rSizeOrig
 , long                              lStyle
 , const wxString&                   rsName
 )
@@ -556,6 +590,19 @@ bool wxTopLevelWindowOS2::Create(
     m_windowStyle = lStyle;
     SetName(rsName);
     m_windowId = vId == -1 ? NewControlId() : vId;
+
+    // always create a frame of some reasonable, even if arbitrary, size (at
+    // least for MSW compatibility)
+    wxSize rSize = rSizeOrig;
+    if ( rSize.x == -1 || rSize.y == -1 )
+    {
+        wxSize sizeDpy = wxGetDisplaySize();
+        if ( rSize.x == -1 )
+            rSize.x = sizeDpy.x / 3;
+        if ( rSize.y == -1 )
+            rSize.y = sizeDpy.y / 5;
+    }
+
     wxTopLevelWindows.Append(this);
     if (pParent)
         pParent->AddChild(this);
@@ -593,20 +640,6 @@ bool wxTopLevelWindowOS2::Create(
 
 wxTopLevelWindowOS2::~wxTopLevelWindowOS2()
 {
-    if (this == m_spHiddenParent)
-    {
-        //
-        // Stop [infinite] recursion which would otherwise happen when we do
-        // "delete ms_hiddenParent" below -- and we're not interested in doing
-        // anything of the rest below for that window because the rest of
-        // wxWindows doesn't even know about it
-        //
-        return;
-    }
-
-    if (wxModelessWindows.Find(this))
-        wxModelessWindows.DeleteObject(this);
-
     //
     // 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
@@ -626,19 +659,6 @@ wxTopLevelWindowOS2::~wxTopLevelWindowOS2()
                              );
         }
     }
-
-    //
-    // If this is the last top-level window, we're going to exit and we should
-    // delete ms_hiddenParent now to avoid leaking it
-    //
-    if (IsLastBeforeExit())
-    {
-        if (m_spHiddenParent)
-        {
-            delete m_spHiddenParent;
-            m_spHiddenParent = NULL;
-        }
-    }
 } // end of wxTopLevelWindowOS2::~wxTopLevelWindowOS2
 
 // ----------------------------------------------------------------------------
@@ -704,8 +724,15 @@ bool wxTopLevelWindowOS2::Show(
 {
     int                             nShowCmd;
     SWP                             vSwp;
-    RECTL                           vRect;
 
+    if (bShow != IsShown() )
+    {
+        m_isShown = bShow;
+    }
+    else
+    {
+        return FALSE;
+    }
     if (bShow)
     {
         if (m_bMaximizeOnShow)
@@ -780,13 +807,12 @@ 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
 
 bool wxTopLevelWindowOS2::IsMaximized() const
 {
-    bool                            bIconic;
 
     ::WinQueryWindowPos(m_hFrame, (PSWP)&m_vSwp);
     return (m_vSwp.fl & SWP_MAXIMIZE);
@@ -1023,3 +1049,75 @@ 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