]> git.saurik.com Git - wxWidgets.git/blobdiff - src/os2/utils.cpp
don't call SelectObject() twice in SetBrush() nor SetFont() neither
[wxWidgets.git] / src / os2 / utils.cpp
index a5dd628bad4d7f74a707b73edc0dd8fd37e596c4..df321ea4e3e61a1c0fdd58b890bf6c176c782477 100644 (file)
@@ -6,7 +6,7 @@
 // Created:     09/17/99
 // RCS-ID:      $Id$
 // Copyright:   (c) David Webster
-// Licence:     wxWindows license
+// Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
 // For compilers that support precompilation, includes "wx.h".
     #include "wx/setup.h"
     #include "wx/utils.h"
     #include "wx/app.h"
-    #include "wx/cursor.h"
 #endif  //WX_PRECOMP
 
 #include "wx/os2/private.h"
-#include "wx/timer.h"
 #include "wx/intl.h"
+#include "wx/apptrait.h"
 
 #include <ctype.h>
-#include <direct.h>
+#ifdef __EMX__
+#include <dirent.h>
+#endif
 
 #include "wx/log.h"
 
 #include <errno.h>
 #include <stdarg.h>
 
-#define INCL_DOS
-#define INCL_PM
-#define INCL_GPI
-#include <os2.h>
 #define PURE_32
+
+#ifndef __EMX__
 #include <upm.h>
 #include <netcons.h>
 #include <netbios.h>
+#endif
 
 static const wxChar WX_SECTION[] = _T("wxWindows");
 static const wxChar eHOSTNAME[]  = _T("HostName");
@@ -104,10 +104,12 @@ bool wxGetUserId(
 , int                               nType
 )
 {
+#if defined(__VISAGECPP__)
     long                            lrc;
     // UPM procs return 0 on success
     lrc = U32ELOCU((unsigned char*)zBuf, (unsigned long *)&nType);
     if (lrc == 0) return TRUE;
+#endif
     return FALSE;
 }
 
@@ -128,7 +130,8 @@ bool wxGetUserName(
 
 int wxKill(
   long                              lPid
-, int                               nSig
+, wxSignal                          eSig
+, wxKillError*                      peError
 )
 {
     return((int)::DosKillProcess(0, (PID)lPid));
@@ -143,7 +146,6 @@ bool wxShell(
 {
     wxChar*                         zShell = _T("CMD.EXE");
     wxString                        sInputs;
-    wxChar                          zTmp[255];
     STARTDATA                       SData = {0};
     PSZ                             PgmTitle = "Command Shell";
     APIRET                          rc;
@@ -194,6 +196,13 @@ bool wxShell(
     return (rc != 0);
 }
 
+// Shutdown or reboot the PC
+bool wxShutdown(wxShutdownFlags wFlags)
+{
+    // TODO
+    return FALSE;
+}
+
 // Get free memory in bytes, or -1 if cannot determine amount (e.g. on UNIX)
 long wxGetFreeMemory()
 {
@@ -209,20 +218,47 @@ long wxGetFreeMemory()
     return (long)lSize;
 }
 
-// Sleep for nSecs seconds. Attempt a Windows implementation using timers.
-static bool inTimer = FALSE;
+// ----------------------------------------------------------------------------
+// env vars
+// ----------------------------------------------------------------------------
 
-class wxSleepTimer: public wxTimer
+bool wxGetEnv(const wxString& var, wxString *value)
 {
-public:
-    inline void Notify()
+    // wxGetenv is defined as getenv()
+    wxChar *p = wxGetenv(var);
+    if ( !p )
+        return FALSE;
+
+    if ( value )
     {
-        inTimer = FALSE;
-        Stop();
+        *value = p;
     }
-};
 
-static wxTimer*                     wxTheSleepTimer = NULL;
+    return TRUE;
+}
+
+bool wxSetEnv(const wxString& variable, const wxChar *value)
+{
+#if defined(HAVE_SETENV)
+    return setenv(variable.mb_str(), value ? wxString(value).mb_str().data()
+                                           : NULL, 1 /* overwrite */) == 0;
+#elif defined(HAVE_PUTENV)
+    wxString s = variable;
+    if ( value )
+        s << _T('=') << value;
+
+    // transform to ANSI
+    const char *p = s.mb_str();
+
+    // the string will be free()d by libc
+    char *buf = (char *)malloc(strlen(p) + 1);
+    strcpy(buf, p);
+
+    return putenv(buf) == 0;
+#else // no way to set an env var
+    return FALSE;
+#endif
+}
 
 void wxUsleep(
   unsigned long                     ulMilliseconds
@@ -244,6 +280,8 @@ void wxFlushEvents()
 //  wxYield();
 }
 
+#if WXWIN_COMPATIBILITY_2_2
+
 // Output a debug mess., in a system dependent fashion.
 void wxDebugMsg(
   const wxChar*                     zFmt ...
@@ -296,22 +334,30 @@ void wxFatalError(
     DosExit(EXIT_PROCESS, ulRc);
 }
 
+#endif // WXWIN_COMPATIBILITY_2_2
+
 // Emit a beeeeeep
 void wxBell()
 {
     DosBeep(1000,1000); // 1kHz during 1 sec.
 }
 
-// Chris Breeze 27/5/98: revised WIN32 code to
-// detect WindowsNT correctly
-int wxGetOsVersion(
-  int*                              pMajorVsn
-, int*                              pMinorVsn
-)
+
+void wxAppTraits::InitializeGui(unsigned long &ulHab)
 {
+}
+
+void wxAppTraits::TerminateGui(unsigned long ulHab)
+{
+}
+
+wxToolkitInfo & wxConsoleAppTraits::GetToolkitInfo()
+{
+    static wxToolkitInfo           vInfo;
     ULONG                           ulSysInfo[QSV_MAX] = {0};
     APIRET                          ulrc;
 
+    vInfo.name = _T("wxBase");
     ulrc = ::DosQuerySysInfo( 1L
                              ,QSV_MAX
                              ,(PVOID)ulSysInfo
@@ -319,277 +365,11 @@ int wxGetOsVersion(
                             );
     if (ulrc == 0L)
     {
-        *pMajorVsn = ulSysInfo[QSV_VERSION_MAJOR];
-        *pMajorVsn = *pMajorVsn/10;
-        *pMinorVsn = ulSysInfo[QSV_VERSION_MINOR];
-        return wxWINDOWS_OS2;
-    }
-    return wxWINDOWS; // error if we get here, return generic value
-}
-
-// 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;
+        vInfo.versionMajor = ulSysInfo[QSV_VERSION_MAJOR] / 10;
+        vInfo.versionMinor = ulSysInfo[QSV_VERSION_MINOR];
     }
-}
-#endif // wxUSE_RESOURCES
-
-// ---------------------------------------------------------------------------
-// helper functions for showing a "busy" cursor
-// ---------------------------------------------------------------------------
-
-HCURSOR gs_wxBusyCursor = 0;     // new, busy cursor
-HCURSOR gs_wxBusyCursorOld = 0;  // old cursor
-static int gs_wxBusyCursorCount = 0;
-
-// Set the cursor to the busy cursor for all windows
-void wxBeginBusyCursor(
-  wxCursor*                         pCursor
-)
-{
-    if ( gs_wxBusyCursorCount++ == 0 )
-    {
-        gs_wxBusyCursor = (HCURSOR)pCursor->GetHCURSOR();
-        ::WinSetPointer(HWND_DESKTOP, (HPOINTER)gs_wxBusyCursor);
-    }
-    //else: nothing to do, already set
-}
-
-// Restore cursor to normal
-void wxEndBusyCursor()
-{
-    wxCHECK_RET( gs_wxBusyCursorCount > 0
-                ,_T("no matching wxBeginBusyCursor() for wxEndBusyCursor()")
-               );
-
-    if (--gs_wxBusyCursorCount == 0)
-    {
-        ::WinSetPointer(HWND_DESKTOP, (HPOINTER)gs_wxBusyCursorOld);
-        gs_wxBusyCursorOld = 0;
-    }
-}
-
-// TRUE if we're between the above two calls
-bool wxIsBusy()
-{
-    return (gs_wxBusyCursorCount > 0);
+    vInfo.os = wxOS2_PM;
+    return vInfo;
 }
 
 // ---------------------------------------------------------------------------
@@ -600,18 +380,24 @@ const wxChar* wxGetHomeDir(
     wxString&                       rStrDir = *pStr;
 
     // OS/2 has no idea about home,
-    // so use the working directory instead?
+    // so use the working directory instead.
+    // However, we might have a valid HOME directory,
+    // as is used on many machines that have unix utilities
+    // on them, so we should use that, if available.
 
     // 256 was taken from os2def.h
 #ifndef MAX_PATH
 #  define MAX_PATH  256
 #endif
 
-    char                            zDirName[256];
-    ULONG                           ulDirLen;
+    const wxChar *szHome = wxGetenv("HOME");
+    if ( szHome == NULL ) {
+      // we're homeless, use current directory.
+      rStrDir = wxT(".");
+    }
+    else
+       rStrDir = szHome;
 
-    ::DosQueryCurrentDir(0, zDirName, &ulDirLen);
-    rStrDir = zDirName;
     return rStrDir.c_str();
 }
 
@@ -624,6 +410,7 @@ wxChar* wxGetUserHome (
     wxString                        sUser1(rUser);
 
     wxBuffer = new wxChar[256];
+#ifndef __EMX__
     if (sUser1 != _T(""))
     {
         wxChar                      zTmp[64];
@@ -645,12 +432,13 @@ wxChar* wxGetUserHome (
                 sUser1 = _T("");
         }
     }
+#endif
     if (sUser1 == _T(""))
     {
         if ((zHome = wxGetenv(_T("HOME"))) != NULL)
         {
             wxStrcpy(wxBuffer, zHome);
-            Unix2DosFilename(wxBuffer);
+            wxUnix2DosFilename(wxBuffer);
             wxStrcpy(zHome, wxBuffer);
             delete[] wxBuffer;
             return zHome;
@@ -660,150 +448,76 @@ wxChar* wxGetUserHome (
     return NULL; // No home known!
 }
 
-// Check whether this window wants to process messages, e.g. Stop button
-// in long calculations.
-bool wxCheckForInterrupt(
-  wxWindow*                         pWnd
+bool wxDirExists(
+  const wxString&                   rDir
 )
 {
-    if(pWnd)
-    {
-        QMSG                        vMsg;
-        HAB                         hab = 0;
-        HWND                        hwndFilter = NULLHANDLE;
-        HWND                        hwndWin= (HWND) pWnd->GetHWND();
-
-        while(::WinPeekMsg(hab, &vMsg, hwndFilter, 0, 0, PM_REMOVE))
-        {
-            ::WinDispatchMsg(hab, &vMsg);
-        }
-        return TRUE;//*** temporary?
-    }
-    else
-    {
-        wxFAIL_MSG(_T("pWnd==NULL !!!"));
-        return FALSE;//*** temporary?
-    }
+    return (::DosSetCurrentDir(WXSTRINGCAST rDir));
 }
 
-void wxGetMousePosition(
-  int*                              pX
-, int*                              pY
+wxString WXDLLEXPORT wxPMErrorToStr(
+  ERRORID                           vError
 )
 {
-    POINTL                          vPt;
-
-    ::WinQueryPointerPos(HWND_DESKTOP, &vPt);
-    *pX = vPt.x;
-    *pY = vPt.y;
-};
-
-// Return TRUE if we have a colour display
-bool wxColourDisplay()
-{
-    HPS                             hpsScreen;
-    HDC                             hdcScreen;
-    LONG                            lColors;
-
-    hpsScreen = ::WinGetScreenPS(HWND_DESKTOP);
-    hdcScreen = ::GpiQueryDevice(hpsScreen);
-    ::DevQueryCaps(hdcScreen, CAPS_COLORS, 1L, &lColors);
-    return(lColors > 1L);
-}
+    wxString                        sError;
 
-// Returns depth of screen
-int wxDisplayDepth()
-{
-    HPS                             hpsScreen;
-    HDC                             hdcScreen;
-    LONG                            lPlanes;
-    LONG                            lBitsPerPixel;
-    LONG                            nDepth;
-
-    hpsScreen = ::WinGetScreenPS(HWND_DESKTOP);
-    hdcScreen = ::GpiQueryDevice(hpsScreen);
-    ::DevQueryCaps(hdcScreen, CAPS_COLOR_PLANES, 1L, &lPlanes);
-    ::DevQueryCaps(hdcScreen, CAPS_COLOR_BITCOUNT, 1L, &lBitsPerPixel);
-
-    nDepth = (int)(lPlanes * lBitsPerPixel);
-    DevCloseDC(hdcScreen);
-    return (nDepth);
-}
+    //
+    // Remove the high order byte -- it is useless
+    //
+    vError &= 0x0000ffff;
+    switch(vError)
+    {
+        case PMERR_INVALID_HWND:
+            sError = wxT("Invalid window handle specified");
+            break;
 
-// Get size of display
-void wxDisplaySize(
-  int*                              pWidth
-, int*                              pHeight
-)
-{
-    HPS                             hpsScreen;
-    HDC                             hdcScreen;
-    LONG                            lWidth;
-    LONG                            lHeight;
-
-    hpsScreen = ::WinGetScreenPS(HWND_DESKTOP);
-    hdcScreen = ::GpiQueryDevice(hpsScreen);
-    ::DevQueryCaps(hdcScreen, CAPS_WIDTH, 1L, &lWidth);
-    ::DevQueryCaps(hdcScreen, CAPS_HEIGHT, 1L, &lHeight);
-    DevCloseDC(hdcScreen);
-    *pWidth = (int)lWidth;
-    *pHeight = (int)lHeight;
-}
+        case PMERR_INVALID_FLAG:
+            sError = wxT("Invalid flag bit set");
+            break;
 
-bool wxDirExists(
-  const wxString&                   rDir
-)
-{
-    return (::DosSetCurrentDir(WXSTRINGCAST rDir));
-}
+        case PMERR_NO_MSG_QUEUE:
+            sError = wxT("No message queue available");
+            break;
 
-// ---------------------------------------------------------------------------
-// window information functions
-// ---------------------------------------------------------------------------
+        case PMERR_INVALID_PARM:
+            sError = wxT("Parameter contained invalid data");
+            break;
 
-wxString WXDLLEXPORT wxGetWindowText(
-  WXHWND                            hWnd
-)
-{
-    wxString                        vStr;
-    long                            lLen = ::WinQueryWindowTextLength((HWND)hWnd) + 1;
+        case PMERR_INVALID_PARAMETERS:
+            sError = wxT("Parameter value is out of range");
+            break;
 
-    ::WinQueryWindowText((HWND)hWnd, lLen, vStr.GetWriteBuf((int)lLen));
-    vStr.UngetWriteBuf();
+        case PMERR_PARAMETER_OUT_OF_RANGE:
+            sError = wxT("Parameter value is out of range");
+            break;
 
-    return vStr;
-}
+        case PMERR_INVALID_INTEGER_ATOM:
+            sError = wxT("Not a valid atom");
+            break;
 
-wxString WXDLLEXPORT wxGetWindowClass(
-  WXHWND                            hWnd
-)
-{
-    wxString                        vStr;
-    int                             nLen = 256; // some starting value
+        case PMERR_INVALID_HATOMTBL:
+            sError = wxT("Atom table handle is invalid");
+            break;
 
-    for ( ;; )
-    {
-        int                         nCount = ::WinQueryClassName((HWND)hWnd, nLen, vStr.GetWriteBuf(nLen));
+        case PMERR_INVALID_ATOM_NAME:
+            sError = wxT("Not a valid atom name");
+            break;
 
-        vStr.UngetWriteBuf();
-        if (nCount == nLen )
-        {
-            // the class name might have been truncated, retry with larger
-            // buffer
-            nLen *= 2;
-        }
-        else
-        {
+        case PMERR_ATOM_NAME_NOT_FOUND:
+            sError = wxT("Valid name format, but cannot find name in atom table");
             break;
-        }
+
+        default:
+            sError = wxT("Unknown error");
     }
-    return vStr;
-}
+    return(sError);
+} // end of wxPMErrorToStr
 
-WXWORD WXDLLEXPORT wxGetWindowId(
-  WXHWND                            hWnd
-)
+// replacement for implementation in unix/utilsunx.cpp,
+// to be used by all X11 based ports.
+struct wxEndProcessData;
+
+void wxHandleProcessTermination(wxEndProcessData *proc_data)
 {
-    return ::WinQueryWindowUShort((HWND)hWnd, QWS_ID);
+    // For now, just do nothing. To be filled in as needed.
 }
-