Make Home and End keys work as expected in wxGrid.

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

diff --git a/src/os2/metafile.cpp b/src/os2/metafile.cpp
index 03c29bcb7953ad525471bb1ffc39e423f577a24d..755d4658ccb9c4fa46e13c5dd2a2fc40df4da784 100644 (file)
--- a/src/os2/metafile.cpp
+++ b/src/os2/metafile.cpp
@@ -1,58 +1,128 @@
 /////////////////////////////////////////////////////////////////////////////
 /////////////////////////////////////////////////////////////////////////////

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

 // Purpose:     wxMetaFile, wxMetaFileDC etc. These classes are optional.
 // Purpose:     wxMetaFile, wxMetaFileDC etc. These classes are optional.

-// Author:      AUTHOR
+// Author:      David Webster

 // Modified by:
 // Modified by:

-// Created:     04/01/98
+// Created:     10/10/99

 // RCS-ID:      $Id$
 // RCS-ID:      $Id$

-// Copyright:   (c) AUTHOR
-// Licence:    wxWindows licence
+// Copyright:   (c) David Webster
+// Licence:     wxWindows licence

 /////////////////////////////////////////////////////////////////////////////
 
 /////////////////////////////////////////////////////////////////////////////
 

-#ifdef __GNUG__
-#pragma implementation "metafile.h"
+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
+
+#if wxUSE_METAFILE
+
+#ifndef WX_PRECOMP
+    #include "wx/utils.h"
+    #include "wx/app.h"

 #endif
 
 #endif
 

-#include "wx/object.h"
-#include "wx/string.h"
-#include "wx/dc.h"
-#include "wx/stubs/metafile.h"
+#include "wx/metafile.h"

 #include "wx/clipbrd.h"
 #include "wx/clipbrd.h"

+#include "wx/os2/private.h"
+
+#include <stdio.h>
+#include <string.h>

 
 extern bool wxClipboardIsOpen;
 
 
 extern bool wxClipboardIsOpen;
 

-#if !USE_SHARED_LIBRARY
-IMPLEMENT_DYNAMIC_CLASS(wxMetaFile, wxObject)
-IMPLEMENT_ABSTRACT_CLASS(wxMetaFileDC, wxDC)
-#endif
+IMPLEMENT_DYNAMIC_CLASS(wxMetafile, wxObject)
+IMPLEMENT_ABSTRACT_CLASS(wxMetafileDC, wxDC)

 
 

-wxMetaFile::wxMetaFile(const wxString& file)
+/*
+ * Metafiles
+ * Currently, the only purpose for making a metafile is to put
+ * it on the clipboard.
+ */
+
+wxMetafileRefData::wxMetafileRefData(void)

 {
 {

-    // TODO
+    m_metafile = 0;
+    m_windowsMappingMode = MM_ANISOTROPIC;

 }
 
 }
 

-wxMetaFile::~wxMetaFile()
+wxMetafileRefData::~wxMetafileRefData(void)

 {
 {

-    // TODO
+    if (m_metafile)
+    {
+// TODO: DeleteMetaFile((HMETAFILE) m_metafile);
+         m_metafile = 0;
+    }

 }
 
 }
 

-bool wxMetaFile::SetClipboard(int width, int height)
+wxMetafile::wxMetafile(const wxString& file)

 {
 {

+    m_refData = new wxMetafileRefData;
+
+    M_METAFILEDATA->m_windowsMappingMode = MM_ANISOTROPIC;
+    M_METAFILEDATA->m_metafile = 0;
+    if (!file.empty())
+        M_METAFILEDATA->m_metafile = (WXHANDLE)0; // TODO: GetMetaFile(file);
+}
+
+wxMetafile::~wxMetafile(void)
+{
+}
+
+wxGDIRefData *wxMetafile::CreateGDIRefData() const
+{
+    return new wxMetafileRefData;
+}
+
+wxGDIRefData *wxMetafile::CloneGDIRefData(const wxGDIRefData *data) const
+{
+    return new wxMetafileRefData(*static_cast<const wxMetafileRefData *>(data));
+}
+
+bool wxMetafile::SetClipboard(int width, int height)
+{
+#if !wxUSE_CLIPBOARD
+    wxUnusedVar(width);
+    wxUnusedVar(height);
+    return false;
+#else
+    if (!m_refData)
+        return false;
+

     bool alreadyOpen=wxClipboardOpen();
     if (!alreadyOpen)
     {
         wxOpenClipboard();
     bool alreadyOpen=wxClipboardOpen();
     if (!alreadyOpen)
     {
         wxOpenClipboard();

-        if (!wxEmptyClipboard()) return FALSE;
+        if (!wxEmptyClipboard()) return false;

     }
     }

-    bool success = wxSetClipboardData(wxDF_METAFILE,this, width,height);
+    bool success = wxSetClipboardData(wxDF_METAFILE, this, width,height);

     if (!alreadyOpen) wxCloseClipboard();
     return (bool) success;
     if (!alreadyOpen) wxCloseClipboard();
     return (bool) success;

+#endif
+}
+
+bool wxMetafile::Play(wxDC *dc)
+{
+    if (!m_refData)
+        return false;
+
+ //   if (dc->GetHDC() && M_METAFILEDATA->m_metafile)
+ //       PlayMetaFile((HDC) dc->GetHDC(), (HMETAFILE) M_METAFILEDATA->m_metafile);
+
+    return true;
+}
+
+void wxMetafile::SetHMETAFILE(WXHANDLE mf)
+{
+    if (m_refData)
+        m_refData = new wxMetafileRefData;
+
+    M_METAFILEDATA->m_metafile = mf;

 }
 
 }
 

-bool wxMetaFile::Play(wxDC *dc)
+void wxMetafile::SetWindowsMappingMode(int mm)

 {
 {

-    // TODO
-    return FALSE;
+    if (m_refData)
+        m_refData = new wxMetafileRefData;
+
+    M_METAFILEDATA->m_windowsMappingMode = mm;

 }
 
 /*
 }
 
 /*


@@ -61,41 +131,167 @@ bool wxMetaFile::Play(wxDC *dc)
  */
 
 // Original constructor that does not takes origin and extent. If you use this,
  */
 
 // Original constructor that does not takes origin and extent. If you use this,

-// *DO* give origin/extent arguments to wxMakeMetaFilePlaceable.
-wxMetaFileDC::wxMetaFileDC(const wxString& file)
+// *DO* give origin/extent arguments to wxMakeMetafilePlaceable.
+wxMetafileDCImpl::wxMetafileDCImpl(wxDC *owner, const wxString& file)
+    : wxPMDCImpl(owner)

 {
 {

-    // TODO
+  m_metaFile = NULL;
+  m_minX = 10000;
+  m_minY = 10000;
+  m_maxX = -10000;
+  m_maxY = -10000;
+//  m_title = NULL;
+
+  if (!file.IsNull() && wxFileExists(file))
+    wxRemoveFile(file);
+
+  // TODO
+/*
+  if (!file.empty())
+    m_hDC = (WXHDC) CreateMetaFile(file);
+  else
+    m_hDC = (WXHDC) CreateMetaFile(NULL);
+*/
+
+  m_ok = (m_hDC != (WXHDC) 0) ;
+
+  // Actual Windows mapping mode, for future reference.
+  m_windowsMappingMode = wxMM_TEXT;
+
+  SetMapMode(wxMM_TEXT); // NOTE: does not set HDC mapmode (this is correct)

 }
 
 // New constructor that takes origin and extent. If you use this, don't
 }
 
 // New constructor that takes origin and extent. If you use this, don't

-// give origin/extent arguments to wxMakeMetaFilePlaceable.
-wxMetaFileDC::wxMetaFileDC(const wxString& file, int xext, int yext, int xorg, int yorg)
+// give origin/extent arguments to wxMakeMetafilePlaceable.
+wxMetafileDCImpl::wxMetafileDCImpl( wxDC *owner, const wxString& file,
+                                    int WXUNUSED(xext),
+                                    int WXUNUSED(yext),
+                                    int WXUNUSED(xorg),
+                                    int WXUNUSED(yorg) )
+    : wxPMDCImpl(owner)

 {
 {

-    // TODO
+    m_minX = 10000;
+    m_minY = 10000;
+    m_maxX = -10000;
+    m_maxY = -10000;
+    if (!file.empty() && wxFileExists(file))
+        wxRemoveFile(file);
+
+//  m_hDC = (WXHDC) CreateMetaFile(file);
+
+    m_ok = true;
+
+//  ::SetWindowOrgEx((HDC) m_hDC,xorg,yorg, NULL);
+//  ::SetWindowExtEx((HDC) m_hDC,xext,yext, NULL);
+
+    // Actual Windows mapping mode, for future reference.
+    m_windowsMappingMode = MM_ANISOTROPIC;
+
+    SetMapMode(wxMM_TEXT); // NOTE: does not set HDC mapmode (this is correct)

 }
 
 }
 

-wxMetaFileDC::~wxMetaFileDC()
+wxMetafileDCImpl::~wxMetafileDCImpl(void)

 {
 {

+  m_hDC = 0;

 }
 
 }
 

-void wxMetaFileDC::GetTextExtent(const wxString& string, float *x, float *y,
-                                 float *descent, float *externalLeading, wxFont *theFont, bool use16bit)
+void wxMetafileDCImpl::DoGetTextExtent(const wxString& WXUNUSED(string),
+                                     wxCoord *WXUNUSED(x),
+                                     wxCoord *WXUNUSED(y),
+                                     wxCoord *WXUNUSED(descent),
+                                     wxCoord *WXUNUSED(externalLeading),
+                                     const wxFont *theFont) const

 {
 {

-    // TODO
+    const wxFont *fontToUse = theFont;
+    if (!fontToUse)
+        fontToUse = &m_font;
+
+    // TODO:
+/*
+    HDC dc = GetDC(NULL);
+
+    SIZE sizeRect;
+    TEXTMETRIC tm;
+    GetTextExtentPoint(dc, WXSTRINGCAST string, wxStrlen(WXSTRINGCAST string), &sizeRect);
+    GetTextMetrics(dc, &tm);
+
+    ReleaseDC(NULL, dc);
+
+    if ( x )
+        *x = sizeRect.cx;
+    if ( y )
+        *y = sizeRect.cy;
+    if ( descent )
+        *descent = tm.tmDescent;
+    if ( externalLeading )
+        *externalLeading = tm.tmExternalLeading;
+*/

 }
 
 }
 

-wxMetaFile *wxMetaFileDC::Close()
+wxMetafile *wxMetafileDCImpl::Close(void)

 {
 {

-    // TODO
-    return NULL;
+  SelectOldObjects(m_hDC);
+  HANDLE mf = 0; // TODO: CloseMetaFile((HDC) m_hDC);
+  m_hDC = 0;
+  if (mf)
+  {
+    wxMetafile *wx_mf = new wxMetafile;
+    wx_mf->SetHMETAFILE((WXHANDLE) mf);
+    wx_mf->SetWindowsMappingMode(m_windowsMappingMode);
+    return wx_mf;
+  }
+  return NULL;

 }
 
 }
 

-void wxMetaFileDC::SetMapMode(int mode)
+void wxMetafileDCImpl::SetMapMode(wxMappingMode mode)

 {
 {

-    // TODO
-}
+  m_mappingMode = mode;

 
 

-#if 0
+//  int pixel_width = 0;
+//  int pixel_height = 0;
+//  int mm_width = 0;
+//  int mm_height = 0;
+
+  float mm2pixelsX = 10.0;
+  float mm2pixelsY = 10.0;
+
+  switch (mode)
+  {
+    case wxMM_TWIPS:
+    {
+      m_logicalScaleX = (float)(twips2mm * mm2pixelsX);
+      m_logicalScaleY = (float)(twips2mm * mm2pixelsY);
+      break;
+    }
+    case wxMM_POINTS:
+    {
+      m_logicalScaleX = (float)(pt2mm * mm2pixelsX);
+      m_logicalScaleY = (float)(pt2mm * mm2pixelsY);
+      break;
+    }
+    case wxMM_METRIC:
+    {
+      m_logicalScaleX = mm2pixelsX;
+      m_logicalScaleY = mm2pixelsY;
+      break;
+    }
+    case wxMM_LOMETRIC:
+    {
+      m_logicalScaleX = (float)(mm2pixelsX/10.0);
+      m_logicalScaleY = (float)(mm2pixelsY/10.0);
+      break;
+    }
+    default:
+    case wxMM_TEXT:
+    {
+      m_logicalScaleX = 1.0;
+      m_logicalScaleY = 1.0;
+      break;
+    }
+  }
+  m_nWindowExtX = 100;
+  m_nWindowExtY = 100;
+}

 
 #ifdef __WIN32__
 struct RECT32
 
 #ifdef __WIN32__
 struct RECT32


@@ -107,21 +303,21 @@ struct RECT32
 };
 
 struct mfPLACEABLEHEADER {
 };
 
 struct mfPLACEABLEHEADER {

-       DWORD   key;
-       short   hmf;
-       RECT32  bbox;
-       WORD    inch;
-       DWORD   reserved;
-       WORD    checksum;
+    DWORD  key;
+    short  hmf;
+    RECT32 bbox;
+    WORD   inch;
+    DWORD  reserved;
+    WORD   checksum;

 };
 #else
 struct mfPLACEABLEHEADER {
 };
 #else
 struct mfPLACEABLEHEADER {

-       DWORD   key;
-       HANDLE  hmf;
-       RECT    bbox;
-       WORD    inch;
-       DWORD   reserved;
-       WORD    checksum;
+    DWORD  key;
+    HANDLE hmf;
+    RECT   bbox;
+    WORD   inch;
+    DWORD  reserved;
+    WORD   checksum;

 };
 #endif
 
 };
 #endif
 


@@ -131,109 +327,117 @@ struct mfPLACEABLEHEADER {
  * and sets the window origin and extent to mimic the wxMM_TEXT mapping mode.
  *
  */
  * and sets the window origin and extent to mimic the wxMM_TEXT mapping mode.
  *
  */

- 
-bool wxMakeMetaFilePlaceable(const wxString& filename, float scale)
-{
-  return wxMakeMetaFilePlaceable(filename, 0, 0, 0, 0, scale, FALSE);
-}
-
-bool wxMakeMetaFilePlaceable(const wxString& filename, int x1, int y1, int x2, int y2, float scale, bool useOriginAndExtent)
-{
-  // I'm not sure if this is the correct way of suggesting a scale
-  // to the client application, but it's the only way I can find.
-  int unitsPerInch = (int)(576/scale);
-  
-  mfPLACEABLEHEADER header;
-  header.key = 0x9AC6CDD7L;
-  header.hmf = 0;
-  header.bbox.left = (int)(x1);
-  header.bbox.top = (int)(y1);
-  header.bbox.right = (int)(x2);
-  header.bbox.bottom = (int)(y2);
-  header.inch = unitsPerInch;
-  header.reserved = 0;
-
-  // Calculate checksum  
-  WORD *p;
-  mfPLACEABLEHEADER *pMFHead = &header;
-  for (p =(WORD *)pMFHead,pMFHead -> checksum = 0;
-       p < (WORD *)&pMFHead ->checksum; ++p)
-       pMFHead ->checksum ^= *p;
-
-  FILE *fd = fopen((char *)(const char *)filename, "rb");
-  if (!fd) return FALSE;
-  
-  char tempFileBuf[256];
-  wxGetTempFileName("mf", tempFileBuf);
-  FILE *fHandle = fopen(tempFileBuf, "wb");
-  if (!fHandle)
-    return FALSE;
-  fwrite((void *)&header, sizeof(unsigned char), sizeof(mfPLACEABLEHEADER), fHandle);
-
-  // Calculate origin and extent
-  int originX = x1;
-  int originY = y1;
-  int extentX = x2 - x1;
-  int extentY = (y2 - y1);
-
-  // Read metafile header and write
-  METAHEADER metaHeader;
-  fread((void *)&metaHeader, sizeof(unsigned char), sizeof(metaHeader), fd);
-  
-  if (useOriginAndExtent)
-    metaHeader.mtSize += 15;
-  else
-    metaHeader.mtSize += 5;
-    
-  fwrite((void *)&metaHeader, sizeof(unsigned char), sizeof(metaHeader), fHandle);
-
-  // Write SetMapMode, SetWindowOrigin and SetWindowExt records
-  char modeBuffer[8];
-  char originBuffer[10];
-  char extentBuffer[10];
-  METARECORD *modeRecord = (METARECORD *)&modeBuffer;
-
-  METARECORD *originRecord = (METARECORD *)&originBuffer;
-  METARECORD *extentRecord = (METARECORD *)&extentBuffer;
-
-  modeRecord->rdSize = 4;
-  modeRecord->rdFunction = META_SETMAPMODE;
-  modeRecord->rdParm[0] = MM_ANISOTROPIC;
-
-  originRecord->rdSize = 5;
-  originRecord->rdFunction = META_SETWINDOWORG;
-  originRecord->rdParm[0] = originY;
-  originRecord->rdParm[1] = originX;
-
-  extentRecord->rdSize = 5;
-  extentRecord->rdFunction = META_SETWINDOWEXT;
-  extentRecord->rdParm[0] = extentY;
-  extentRecord->rdParm[1] = extentX;
-
-  fwrite((void *)modeBuffer, sizeof(char), 8, fHandle);
-  
-  if (useOriginAndExtent)
-  {
-    fwrite((void *)originBuffer, sizeof(char), 10, fHandle);
-    fwrite((void *)extentBuffer, sizeof(char), 10, fHandle);
-  }

 
 

-  int ch = -2;
-  while (ch != EOF)
-  {
-    ch = getc(fd);
-    if (ch != EOF)
+bool wxMakeMetafilePlaceable(const wxString& filename, float scale)
+{
+  return wxMakeMetafilePlaceable(filename, 0, 0, 0, 0, scale, FALSE);
+}
+
+bool wxMakeMetafilePlaceable(const wxString& WXUNUSED(filename),
+                             int WXUNUSED(x1),
+                             int WXUNUSED(y1),
+                             int WXUNUSED(x2),
+                             int WXUNUSED(y2),
+                             float WXUNUSED(scale),
+                             bool WXUNUSED(useOriginAndExtent))
+{
+// TODO:  the OS/2 PM/MM way to do this
+/*
+    // I'm not sure if this is the correct way of suggesting a scale
+    // to the client application, but it's the only way I can find.
+    int unitsPerInch = (int)(576/scale);
+
+    mfPLACEABLEHEADER header;
+    header.key = 0x9AC6CDD7L;
+    header.hmf = 0;
+    header.bbox.xLeft = (int)(x1);
+    header.bbox.yTop = (int)(y1);
+    header.bbox.xRight = (int)(x2);
+    header.bbox.yBottom = (int)(y2);
+    header.inch = unitsPerInch;
+    header.reserved = 0;
+
+    // Calculate checksum
+    WORD *p;
+    mfPLACEABLEHEADER *pMFHead = &header;
+    for (p =(WORD *)pMFHead,pMFHead -> checksum = 0; p < (WORD *)&pMFHead ->checksum; ++p)
+        pMFHead ->checksum ^= *p;
+
+    FILE *fd = fopen(filename.fn_str(), "rb");
+    if (!fd)
+        return false;
+
+    wxChar tempFileBuf[256];
+    wxGetTempFileName(wxT("mf"), tempFileBuf);
+    FILE *fHandle = fopen(wxConvFile.cWX2MB(tempFileBuf), "wb");
+    if (!fHandle)
+        return false;
+    fwrite((void *)&header, sizeof(unsigned char), sizeof(mfPLACEABLEHEADER), fHandle);
+
+    // Calculate origin and extent
+    int originX = x1;
+    int originY = y1;
+    int extentX = x2 - x1;
+    int extentY = (y2 - y1);
+
+    // Read metafile header and write
+    METAHEADER metaHeader;
+    fread((void *)&metaHeader, sizeof(unsigned char), sizeof(metaHeader), fd);
+
+    if (useOriginAndExtent)
+        metaHeader.mtSize += 15;
+    else
+        metaHeader.mtSize += 5;
+
+    fwrite((void *)&metaHeader, sizeof(unsigned char), sizeof(metaHeader), fHandle);
+
+    // Write SetMapMode, SetWindowOrigin and SetWindowExt records
+    char modeBuffer[8];
+    char originBuffer[10];
+    char extentBuffer[10];
+    METARECORD *modeRecord = (METARECORD *)&modeBuffer;
+
+    METARECORD *originRecord = (METARECORD *)&originBuffer;
+    METARECORD *extentRecord = (METARECORD *)&extentBuffer;
+
+    modeRecord->rdSize = 4;
+    modeRecord->rdFunction = META_SETMAPMODE;
+    modeRecord->rdParm[0] = MM_ANISOTROPIC;
+
+    originRecord->rdSize = 5;
+    originRecord->rdFunction = META_SETWINDOWORG;
+    originRecord->rdParm[0] = originY;
+    originRecord->rdParm[1] = originX;
+
+    extentRecord->rdSize = 5;
+    extentRecord->rdFunction = META_SETWINDOWEXT;
+    extentRecord->rdParm[0] = extentY;
+    extentRecord->rdParm[1] = extentX;
+
+    fwrite((void *)modeBuffer, sizeof(char), 8, fHandle);
+
+    if (useOriginAndExtent)

     {
     {

-      putc(ch, fHandle);
+        fwrite((void *)originBuffer, sizeof(char), 10, fHandle);
+        fwrite((void *)extentBuffer, sizeof(char), 10, fHandle);

     }
     }

-  }
-  fclose(fHandle);
-  fclose(fd);
-  wxRemoveFile(filename);
-  wxCopyFile(tempFileBuf, filename);
-  wxRemoveFile(tempFileBuf);
-  return TRUE;
-}

 
 

-#endif
+    int ch = -2;
+    while (ch != EOF)
+    {
+        ch = getc(fd);
+        if (ch != EOF)
+        {
+            putc(ch, fHandle);
+        }
+    }
+    fclose(fHandle);
+    fclose(fd);
+    wxRemoveFile(filename);
+    wxCopyFile(tempFileBuf, filename);
+    wxRemoveFile(tempFileBuf);
+*/
+    return true;
+}

 
 

+#endif // wxUSE_METAFILE