Fix for crash when opening empty node

[wxWidgets.git] / src / os2 / utilsgui.cpp

diff --git a/src/os2/utilsgui.cpp b/src/os2/utilsgui.cpp
index 5b7e06cf347edf692d6ecf98c3bfc50a6cfdfd49..79b584d217c3ec4ca63810751e61c21f1c419553 100644 (file)
--- a/src/os2/utilsgui.cpp
+++ b/src/os2/utilsgui.cpp
@@ -1,5 +1,5 @@
 ///////////////////////////////////////////////////////////////////////////////
 ///////////////////////////////////////////////////////////////////////////////

-// Name:        os2/utilsgui.cpp
+// Name:        src/os2/utilsgui.cpp

 // Purpose:     Various utility functions only available in GUI
 // Author:      David Webster
 // Modified by:
 // Purpose:     Various utility functions only available in GUI
 // Author:      David Webster
 // Modified by:


@@ -25,14 +25,16 @@
 #endif
 
 #ifndef WX_PRECOMP
 #endif
 
 #ifndef WX_PRECOMP

-    #include "wx/setup.h"

     #include "wx/utils.h"
     #include "wx/app.h"
     #include "wx/cursor.h"
     #include "wx/utils.h"
     #include "wx/app.h"
     #include "wx/cursor.h"

+    #include "wx/font.h"
+    #include "wx/timer.h"

 #endif //WX_PRECOMP
 
 #include "wx/apptrait.h"
 #endif //WX_PRECOMP
 
 #include "wx/apptrait.h"

-#include "wx/timer.h"
+#include "wx/os2/private/timer.h"
+#include "wx/evtloop.h"

 
 #include "wx/os2/private.h"     // includes <windows.h>
 
 
 #include "wx/os2/private.h"     // includes <windows.h>
 


@@ -45,242 +47,18 @@
 // ----------------------------------------------------------------------------
 
 // Sleep for nSecs seconds. Attempt a Windows implementation using timers.
 // ----------------------------------------------------------------------------
 
 // Sleep for nSecs seconds. Attempt a Windows implementation using timers.

-static bool inTimer = FALSE;
+static bool inTimer = false;

 
 class wxSleepTimer: public wxTimer
 {
 public:
     inline void Notify()
     {
 
 class wxSleepTimer: public wxTimer
 {
 public:
     inline void Notify()
     {

-        inTimer = FALSE;
+        inTimer = false;

         Stop();
     }
 };
 
         Stop();
     }
 };
 

-// Reading and writing resources (eg WIN.INI, .Xdefaults)
-#if wxUSE_RESOURCES
-bool wxWriteResource(
-  const wxString&                   rSection
-, const wxString&                   rEntry
-, const wxString&                   rValue
-, const wxString&                   rFile
-)
-{
-    HAB                             hab = 0;
-    HINI                            hIni = 0;
-
-    if (rFile != "")
-    {
-        hIni = ::PrfOpenProfile(hab, (PSZ)WXSTRINGCAST rFile);
-        if (hIni != 0L)
-        {
-            return (::PrfWriteProfileString( hIni
-                                            ,(PSZ)WXSTRINGCAST rSection
-                                            ,(PSZ)WXSTRINGCAST rEntry
-                                            ,(PSZ)WXSTRINGCAST rValue
-                                           ));
-        }
-    }
-    else
-        return (::PrfWriteProfileString( HINI_PROFILE
-                                        ,(PSZ)WXSTRINGCAST rSection
-                                        ,(PSZ)WXSTRINGCAST rEntry
-                                        ,(PSZ)WXSTRINGCAST rValue
-                                       ));
-    return FALSE;
-}
-
-bool wxWriteResource(
-  const wxString&                   rSection
-, const wxString&                   rEntry
-, float                             fValue
-, const wxString&                   rFile
-)
-{
-    wxChar                          zBuf[50];
-
-    wxSprintf(zBuf, "%.4f", fValue);
-    return wxWriteResource( rSection
-                           ,rEntry
-                           ,zBuf
-                           ,rFile
-                          );
-}
-
-bool wxWriteResource(
-  const wxString&                   rSection
-, const wxString&                   rEntry
-, long                              lValue
-, const wxString&                   rFile
-)
-{
-    wxChar                          zBuf[50];
-
-    wxSprintf(zBuf, "%ld", lValue);
-    return wxWriteResource( rSection
-                           ,rEntry
-                           ,zBuf
-                           ,rFile
-                          );
-}
-
-bool wxWriteResource(
-  const wxString&                   rSection
-, const wxString&                   rEntry
-, int                               lValue
-, const wxString&                   rFile
-)
-{
-    wxChar                          zBuf[50];
-
-    wxSprintf(zBuf, "%d", lValue);
-    return wxWriteResource( rSection
-                           ,rEntry
-                           ,zBuf
-                           ,rFile
-                          );
-}
-
-bool wxGetResource(
-  const wxString&                   rSection
-, const wxString&                   rEntry
-, wxChar**                          ppValue
-, const wxString&                   rFile
-)
-{
-    HAB                             hab = 0;
-    HINI                            hIni = 0;
-    wxChar                          zDefunkt[] = _T("$$default");
-    char                            zBuf[1000];
-
-    if (rFile != "")
-    {
-        hIni = ::PrfOpenProfile(hab, (PSZ)WXSTRINGCAST rFile);
-        if (hIni != 0L)
-        {
-            ULONG n = ::PrfQueryProfileString( hIni
-                                              ,(PSZ)WXSTRINGCAST rSection
-                                              ,(PSZ)WXSTRINGCAST rEntry
-                                              ,(PSZ)zDefunkt
-                                              ,(PVOID)zBuf
-                                              ,1000
-                                             );
-            if (zBuf == NULL)
-                return FALSE;
-            if (n == 0L || wxStrcmp(zBuf, zDefunkt) == 0)
-                return FALSE;
-            zBuf[n-1] = '\0';
-        }
-        else
-            return FALSE;
-    }
-    else
-    {
-        ULONG n = ::PrfQueryProfileString( HINI_PROFILE
-                                          ,(PSZ)WXSTRINGCAST rSection
-                                          ,(PSZ)WXSTRINGCAST rEntry
-                                          ,(PSZ)zDefunkt
-                                          ,(PVOID)zBuf
-                                          ,1000
-                                         );
-        if (zBuf == NULL)
-            return FALSE;
-        if (n == 0L || wxStrcmp(zBuf, zDefunkt) == 0)
-            return FALSE;
-        zBuf[n-1] = '\0';
-    }
-    strcpy((char*)*ppValue, zBuf);
-    return TRUE;
-}
-
-bool wxGetResource(
-  const wxString&                   rSection
-, const wxString&                   rEntry
-, float*                            pValue
-, const wxString&                   rFile
-)
-{
-    wxChar*                         zStr = NULL;
-
-    zStr = new wxChar[1000];
-    bool                            bSucc = wxGetResource( rSection
-                                                          ,rEntry
-                                                          ,(wxChar **)&zStr
-                                                          ,rFile
-                                                         );
-
-    if (bSucc)
-    {
-        *pValue = (float)wxStrtod(zStr, NULL);
-        delete[] zStr;
-        return TRUE;
-    }
-    else
-    {
-        delete[] zStr;
-        return FALSE;
-    }
-}
-
-bool wxGetResource(
-  const wxString&                   rSection
-, const wxString&                   rEntry
-, long*                             pValue
-, const wxString&                   rFile
-)
-{
-    wxChar*                           zStr = NULL;
-
-    zStr = new wxChar[1000];
-    bool                              bSucc = wxGetResource( rSection
-                                                            ,rEntry
-                                                            ,(wxChar **)&zStr
-                                                            ,rFile
-                                                           );
-
-    if (bSucc)
-    {
-        *pValue = wxStrtol(zStr, NULL, 10);
-        delete[] zStr;
-        return TRUE;
-    }
-    else
-    {
-        delete[] zStr;
-        return FALSE;
-    }
-}
-
-bool wxGetResource(
-  const wxString&                   rSection
-, const wxString&                   rEntry
-, int*                              pValue
-, const wxString&                   rFile
-)
-{
-    wxChar*                         zStr = NULL;
-
-    zStr = new wxChar[1000];
-    bool                            bSucc = wxGetResource( rSection
-                                                          ,rEntry
-                                                          ,(wxChar **)&zStr
-                                                          ,rFile
-                                                         );
-
-    if (bSucc)
-    {
-        *pValue = (int)wxStrtol(zStr, NULL, 10);
-        delete[] zStr;
-        return TRUE;
-    }
-    else
-    {
-        delete[] zStr;
-        return FALSE;
-    }
-}
-#endif // wxUSE_RESOURCES
-

 // ---------------------------------------------------------------------------
 // helper functions for showing a "busy" cursor
 // ---------------------------------------------------------------------------
 // ---------------------------------------------------------------------------
 // helper functions for showing a "busy" cursor
 // ---------------------------------------------------------------------------


@@ -290,9 +68,7 @@ HCURSOR gs_wxBusyCursorOld = 0;  // old cursor
 static int gs_wxBusyCursorCount = 0;
 
 // Set the cursor to the busy cursor for all windows
 static int gs_wxBusyCursorCount = 0;
 
 // Set the cursor to the busy cursor for all windows

-void wxBeginBusyCursor(
-  wxCursor*                         pCursor
-)
+void wxBeginBusyCursor(const wxCursor* pCursor)

 {
     if ( gs_wxBusyCursorCount++ == 0 )
     {
 {
     if ( gs_wxBusyCursorCount++ == 0 )
     {


@@ -316,7 +92,7 @@ void wxEndBusyCursor()
     }
 }
 
     }
 }
 

-// TRUE if we're between the above two calls
+// true if we're between the above two calls

 bool wxIsBusy()
 {
     return (gs_wxBusyCursorCount > 0);
 bool wxIsBusy()
 {
     return (gs_wxBusyCursorCount > 0);


@@ -324,26 +100,24 @@ bool wxIsBusy()
 
 // Check whether this window wants to process messages, e.g. Stop button
 // in long calculations.
 
 // Check whether this window wants to process messages, e.g. Stop button
 // in long calculations.

-bool wxCheckForInterrupt(
-  wxWindow*                         pWnd
-)
+bool wxCheckForInterrupt( wxWindow* pWnd )

 {
     if(pWnd)
     {
 {
     if(pWnd)
     {

-        QMSG                        vMsg;
-        HAB                         hab = 0;
-        HWND                        hwndFilter = NULLHANDLE;
+        QMSG vMsg;
+        HAB  hab = 0;
+        HWND hwndFilter = NULLHANDLE;

 
         while(::WinPeekMsg(hab, &vMsg, hwndFilter, 0, 0, PM_REMOVE))
         {
             ::WinDispatchMsg(hab, &vMsg);
         }
 
         while(::WinPeekMsg(hab, &vMsg, hwndFilter, 0, 0, PM_REMOVE))
         {
             ::WinDispatchMsg(hab, &vMsg);
         }

-        return TRUE;//*** temporary?
+        return true;//*** temporary?

     }
     else
     {
         wxFAIL_MSG(_T("pWnd==NULL !!!"));
     }
     else
     {
         wxFAIL_MSG(_T("pWnd==NULL !!!"));

-        return FALSE;//*** temporary?
+        return false;//*** temporary?

     }
 }
 
     }
 }
 


@@ -365,7 +139,7 @@ void wxGetMousePosition(
     *pY = vPt.y;
 };
 
     *pY = vPt.y;
 };
 

-// Return TRUE if we have a colour display
+// Return true if we have a colour display

 bool wxColourDisplay()
 {
 #if 0
 bool wxColourDisplay()
 {
 #if 0


@@ -380,7 +154,7 @@ bool wxColourDisplay()
 #else
     // I don't see how the PM display could not be color. Besides, this
     // was leaking DCs and PSs!!!  MN
 #else
     // I don't see how the PM display could not be color. Besides, this
     // was leaking DCs and PSs!!!  MN

-    return TRUE;
+    return true;

 #endif
 }
 
 #endif
 }
 


@@ -482,74 +256,61 @@ void wxGUIAppTraits::TerminateGui(unsigned long ulHab)
     ::WinTerminate(ulHab);
 }
 
     ::WinTerminate(ulHab);
 }
 

-wxToolkitInfo & wxGUIAppTraits::GetToolkitInfo()
+wxPortId wxGUIAppTraits::GetToolkitVersion(int *verMaj, int *verMin) const

 {
 {

-    static wxToolkitInfo           vInfo;
-    ULONG                           ulSysInfo[QSV_MAX] = {0};
-    APIRET                          ulrc;
-
-    vInfo.shortName = _T("PM");
-    vInfo.name = _T("wxOS2");
-#ifdef __WXUNIVERSAL__
-    vInfo.shortName << _T("univ");
-    vInfo.name << _T("/wxUniversal");
-#endif
-    ulrc = ::DosQuerySysInfo( 1L
-                             ,QSV_MAX
-                             ,(PVOID)ulSysInfo
-                             ,sizeof(ULONG) * QSV_MAX
-                            );
-    if (ulrc == 0L)
-    {
-        vInfo.versionMajor = ulSysInfo[QSV_VERSION_MAJOR] / 10;
-        vInfo.versionMinor = ulSysInfo[QSV_VERSION_MINOR];
-    }
-    vInfo.os = wxOS2_PM;
-    return vInfo;
+    // How to get version of PM ? I guess, just reusing the OS version is OK.
+    (void) wxGetOsVersion(verMaj, verMin);
+    return wxPORT_OS2;
+}
+
+wxTimerImpl* wxGUIAppTraits::CreateTimerImpl(wxTimer *timer)
+{
+    return new wxOS2TimerImpl(timer);
+}
+
+wxEventLoopBase* wxGUIAppTraits::CreateEventLoop()
+{
+    return new wxEventLoop;

 }
 
 // ---------------------------------------------------------------------------
 // window information functions
 // ---------------------------------------------------------------------------
 
 }
 
 // ---------------------------------------------------------------------------
 // window information functions
 // ---------------------------------------------------------------------------
 

-wxString WXDLLEXPORT wxGetWindowText(
-  WXHWND                            hWnd
-)
+wxString WXDLLEXPORT wxGetWindowText( WXHWND hWnd )

 {
 {

-    wxString                        vStr;
+    wxString vStr;

 
     if ( hWnd )
     {
 
     if ( hWnd )
     {

-       long                lLen = ::WinQueryWindowTextLength((HWND)hWnd) + 1;
-       ::WinQueryWindowText((HWND)hWnd, lLen, (PSZ)(wxChar*)wxStringBuffer(vStr, lLen));
+        long lLen = ::WinQueryWindowTextLength((HWND)hWnd) + 1;
+        ::WinQueryWindowText((HWND)hWnd, lLen, (PSZ)(wxChar*)wxStringBuffer(vStr, lLen));

     }
 
     return vStr;
 }
 
     }
 
     return vStr;
 }
 

-wxString WXDLLEXPORT wxGetWindowClass(
-  WXHWND                            hWnd
-)
+wxString WXDLLEXPORT wxGetWindowClass( WXHWND hWnd )

 {
 {

-    wxString                        vStr;
+    wxString vStr;

     if ( hWnd )
     {
     if ( hWnd )
     {

-        int                         nLen = 256; // some starting value
-
-       for ( ;; )
-       {
-           int                     nCount = ::WinQueryClassName((HWND)hWnd, nLen, (PSZ)(wxChar*)wxStringBuffer(vStr, nLen));
-
-           if (nCount == nLen )
-           {
-               // the class name might have been truncated, retry with larger
-               // buffer
-               nLen *= 2;
-           }
-           else
-           {
-               break;
-           }
+        int nLen = 256; // some starting value
+
+    for ( ;; )
+    {
+        int                     nCount = ::WinQueryClassName((HWND)hWnd, nLen, (PSZ)(wxChar*)wxStringBuffer(vStr, nLen));
+
+        if (nCount == nLen )
+        {
+            // the class name might have been truncated, retry with larger
+            // buffer
+            nLen *= 2;
+        }
+        else
+        {
+            break;
+        }

         }
     }
     return vStr;
         }
     }
     return vStr;