[PATCH 1/8] [RichEdit]: starting handling OLE objects inside richedit

Eric Pouech eric.pouech at orange.fr
Sun Jan 27 12:01:41 CST 2008




A+
---

 dlls/riched20/caret.c   |   14 +++--
 dlls/riched20/editor.h  |    9 ++-
 dlls/riched20/editstr.h |    1 
 dlls/riched20/list.c    |    1 
 dlls/riched20/paint.c   |   30 ----------
 dlls/riched20/richole.c |  146 ++++++++++++++++++++++++++++++++++++++++++++++-
 dlls/riched20/run.c     |   22 ++-----
 dlls/riched20/undo.c    |    6 ++
 8 files changed, 171 insertions(+), 58 deletions(-)

diff --git a/dlls/riched20/caret.c b/dlls/riched20/caret.c
index 2337107..3f0604e 100644
--- a/dlls/riched20/caret.c
+++ b/dlls/riched20/caret.c
@@ -393,18 +393,20 @@ ME_InternalInsertTextFromCursor(ME_TextEditor *editor, int nCursor,
 }
 
 
-/* FIXME this is temporary, just to have something to test how bad graphics handler is */
-void ME_InsertGraphicsFromCursor(ME_TextEditor *editor, int nCursor)
+void ME_InsertOLEFromCursor(ME_TextEditor *editor, const REOBJECT* reo, int nCursor)
 {
-  ME_Style *pStyle = ME_GetInsertStyle(editor, nCursor);
-  WCHAR space = ' ';
+  ME_Style              *pStyle = ME_GetInsertStyle(editor, nCursor);
+  ME_DisplayItem        *di;
+  WCHAR                 space = ' ';
   
   /* FIXME no no no */
   if (ME_IsSelection(editor))
     ME_DeleteSelection(editor);
 
-  ME_InternalInsertTextFromCursor(editor, nCursor, &space, 1, pStyle,
-                                  MERF_GRAPHICS);
+  di = ME_InternalInsertTextFromCursor(editor, nCursor, &space, 1, pStyle,
+                                       MERF_GRAPHICS);
+  di->member.run.ole_obj = ALLOC_OBJ(*reo);
+  ME_CopyReObject(di->member.run.ole_obj, reo);
   ME_SendSelChange(editor);
 }
 
diff --git a/dlls/riched20/editor.h b/dlls/riched20/editor.h
index 145dc91..dde2efc 100644
--- a/dlls/riched20/editor.h
+++ b/dlls/riched20/editor.h
@@ -149,7 +149,6 @@ ME_DisplayItem *ME_InsertRunAtCursor(ME_TextEditor *editor, ME_Cursor *cursor,
                                      ME_Style *style, const WCHAR *str, int len, int flags);
 void ME_CheckCharOffsets(ME_TextEditor *editor);
 void ME_PropagateCharOffset(ME_DisplayItem *p, int shift);
-void ME_GetGraphicsSize(ME_TextEditor *editor, ME_Run *run, SIZE *pSize);
 int ME_CharFromPoint(ME_Context *c, int cx, ME_Run *run);
 /* this one accounts for 1/2 char tolerance */
 int ME_CharFromPointCursor(ME_TextEditor *editor, int cx, ME_Run *run);
@@ -201,7 +200,7 @@ int ME_CountParagraphsBetween(ME_TextEditor *editor, int from, int to);
 BOOL ME_IsSelection(ME_TextEditor *editor);
 void ME_DeleteSelection(ME_TextEditor *editor);
 void ME_SendSelChange(ME_TextEditor *editor);
-void ME_InsertGraphicsFromCursor(ME_TextEditor *editor, int nCursor);
+void ME_InsertOLEFromCursor(ME_TextEditor *editor, const REOBJECT* reo, int nCursor);
 void ME_InsertTableCellFromCursor(ME_TextEditor *editor, int nCursor);
 void ME_InternalDeleteText(ME_TextEditor *editor, int nOfs, int nChars);
 int ME_GetTextLength(ME_TextEditor *editor);
@@ -259,7 +258,11 @@ int  ME_GetParaBorderWidth(ME_TextEditor *editor, int);
 int  ME_GetParaLineSpace(ME_Context *c, ME_Paragraph*);
 
 /* richole.c */
-extern LRESULT CreateIRichEditOle(ME_TextEditor *editor, LPVOID *);
+LRESULT CreateIRichEditOle(ME_TextEditor *editor, LPVOID *);
+void ME_DrawOLE(ME_Context *c, int x, int y, ME_Run* run, ME_Paragraph *para, BOOL selected);
+void ME_GetOLEObjectSize(ME_TextEditor *editor, ME_Run *run, SIZE *pSize);
+void ME_CopyReObject(REOBJECT* dst, const REOBJECT* src);
+void ME_DeleteReObject(REOBJECT* reo);
 
 /* wintest.c */
 
diff --git a/dlls/riched20/editstr.h b/dlls/riched20/editstr.h
index aa7fd6b..92dbab4 100644
--- a/dlls/riched20/editstr.h
+++ b/dlls/riched20/editstr.h
@@ -145,6 +145,7 @@ typedef struct tagME_Run
   int nAscent, nDescent; /* pixels above/below baseline */
   POINT pt; /* relative to para's position */
   struct tagME_TableCell *pCell; /* for MERF_CELL: points to respective cell in ME_Paragraph */
+  REOBJECT *ole_obj; /* FIXME: should be a union with strText (at least) */
 } ME_Run;
 
 typedef struct tagME_Document {
diff --git a/dlls/riched20/list.c b/dlls/riched20/list.c
index ad7b4b6..14f9b17 100644
--- a/dlls/riched20/list.c
+++ b/dlls/riched20/list.c
@@ -115,6 +115,7 @@ void ME_DestroyDisplayItem(ME_DisplayItem *item) {
     ME_DestroyTableCellList(item);
   }
   if (item->type==diRun || item->type == diUndoInsertRun) {
+    if (item->member.run.ole_obj) ME_DeleteReObject(item->member.run.ole_obj);
     ME_ReleaseStyle(item->member.run.style);
     ME_DestroyString(item->member.run.strText);
   }
diff --git a/dlls/riched20/paint.c b/dlls/riched20/paint.c
index 03a588c..8687644 100644
--- a/dlls/riched20/paint.c
+++ b/dlls/riched20/paint.c
@@ -246,34 +246,6 @@ static void ME_DebugWrite(HDC hDC, const POINT *pt, LPCWSTR szText) {
   SetTextColor(hDC, color);
 }
 
-static void ME_DrawGraphics(ME_Context *c, int x, int y, ME_Run *run,
-                            ME_Paragraph *para, BOOL selected) {
-  SIZE sz;
-  int xs, ys, xe, ye, h, ym, width, eyes;
-  ME_GetGraphicsSize(c->editor, run, &sz);
-  xs = run->pt.x;
-  ys = y-sz.cy;
-  xe = xs+sz.cx;
-  ye = y;
-  h = ye-ys;
-  ym = ys+h/4;
-  width = sz.cx;
-  eyes = width/8;
-  /* draw a smiling face :) */
-  Ellipse(c->hDC, xs, ys, xe, ye);
-  Ellipse(c->hDC, xs+width/8, ym, x+width/8+eyes, ym+eyes);
-  Ellipse(c->hDC, xs+7*width/8-eyes, ym, xs+7*width/8, ym+eyes);
-  MoveToEx(c->hDC, xs+width/8, ys+3*h/4-eyes, NULL);
-  LineTo(c->hDC, xs+width/8, ys+3*h/4);
-  LineTo(c->hDC, xs+7*width/8, ys+3*h/4);
-  LineTo(c->hDC, xs+7*width/8, ys+3*h/4-eyes);
-  if (selected)
-  {
-    /* descent is usually (always?) 0 for graphics */
-    PatBlt(c->hDC, x, y-run->nAscent, sz.cx, run->nAscent+run->nDescent, DSTINVERT);    
-  }
-}
-
 static void ME_DrawRun(ME_Context *c, int x, int y, ME_DisplayItem *rundi, ME_Paragraph *para) 
 {
   ME_Run *run = &rundi->member.run;
@@ -299,7 +271,7 @@ static void ME_DrawRun(ME_Context *c, int x, int y, ME_DisplayItem *rundi, ME_Pa
     return;
 
   if (run->nFlags & MERF_GRAPHICS)
-    ME_DrawGraphics(c, x, y, run, para, (runofs >= nSelFrom) && (runofs < nSelTo));
+    ME_DrawOLE(c, x, y, run, para, (runofs >= nSelFrom) && (runofs < nSelTo));
   else
   {
     if (c->editor->cPasswordMask)
diff --git a/dlls/riched20/richole.c b/dlls/riched20/richole.c
index 742323e..a96078d 100644
--- a/dlls/riched20/richole.c
+++ b/dlls/riched20/richole.c
@@ -218,11 +218,18 @@ IRichEditOle_fnInPlaceDeactivate(IRichEditOle *me)
 }
 
 static HRESULT WINAPI
-IRichEditOle_fnInsertObject(IRichEditOle *me, REOBJECT *lpreobject)
+IRichEditOle_fnInsertObject(IRichEditOle *me, REOBJECT *reo)
 {
     IRichEditOleImpl *This = impl_from_IRichEditOle(me);
-    FIXME("stub %p\n",This);
-    return E_NOTIMPL;
+    TRACE("(%p,%p)\n", This, reo);
+
+    if (reo->cbStruct < sizeof(*reo)) return STG_E_INVALIDPARAMETER;
+    if (reo->poleobj)   IOleObject_AddRef(reo->poleobj);
+    if (reo->pstg)      IStorage_AddRef(reo->pstg);
+    if (reo->polesite)  IOleClientSite_AddRef(reo->polesite);
+
+    ME_InsertOLEFromCursor(This->editor, reo, 0);
+    return S_OK;
 }
 
 static HRESULT WINAPI IRichEditOle_fnSaveCompleted(IRichEditOle *me, LONG iob,
@@ -542,3 +549,136 @@ LRESULT CreateIRichEditOle(ME_TextEditor *editor, LPVOID *ppObj)
 
     return 1;
 }
+
+/******************************************************************************
+ * ME_GetOLEObjectSize
+ *
+ * Sets run extent for OLE objects.
+ */
+void ME_GetOLEObjectSize(ME_TextEditor *editor, ME_Run *run, SIZE *pSize)
+{
+  IDataObject*  ido;
+  FORMATETC     fmt;
+  STGMEDIUM     stgm;
+  DIBSECTION    dibsect;
+  ENHMETAHEADER emh;
+
+  assert(run->nFlags & MERF_GRAPHICS);
+  assert(run->ole_obj);
+  IOleObject_QueryInterface(run->ole_obj->poleobj, &IID_IDataObject, (void**)&ido);
+  fmt.cfFormat = CF_BITMAP;
+  fmt.ptd = NULL;
+  fmt.dwAspect = DVASPECT_CONTENT;
+  fmt.lindex = -1;
+  fmt.tymed = TYMED_GDI;
+  if (IDataObject_GetData(ido, &fmt, &stgm) != S_OK)
+  {
+    fmt.cfFormat = CF_ENHMETAFILE;
+    fmt.tymed = TYMED_ENHMF;
+    if (IDataObject_GetData(ido, &fmt, &stgm) != S_OK)
+    {
+      FIXME("unsupported format\n");
+      pSize->cx = pSize->cy = 0;
+      IDataObject_Release(ido);
+      return;
+    }
+  }
+
+  switch (stgm.tymed)
+  {
+  case TYMED_GDI:
+    GetObjectW(stgm.u.hBitmap, sizeof(dibsect), &dibsect);
+    pSize->cx = dibsect.dsBm.bmWidth;
+    pSize->cy = dibsect.dsBm.bmHeight;
+    if (!stgm.pUnkForRelease) DeleteObject(stgm.u.hBitmap);
+    break;
+  case TYMED_ENHMF:
+    GetEnhMetaFileHeader(stgm.u.hEnhMetaFile, sizeof(emh), &emh);
+    pSize->cx = emh.rclBounds.right - emh.rclBounds.left;
+    pSize->cy = emh.rclBounds.bottom - emh.rclBounds.top;
+    if (!stgm.pUnkForRelease) DeleteEnhMetaFile(stgm.u.hEnhMetaFile);
+    break;
+  default:
+    FIXME("Unsupported tymed %d\n", stgm.tymed);
+    break;
+  }
+  IDataObject_Release(ido);
+}
+
+void ME_DrawOLE(ME_Context *c, int x, int y, ME_Run *run,
+                ME_Paragraph *para, BOOL selected)
+{
+  IDataObject*  ido;
+  FORMATETC     fmt;
+  STGMEDIUM     stgm;
+  DIBSECTION    dibsect;
+  ENHMETAHEADER emh;
+  HDC           hMemDC;
+  RECT          rc;
+
+  assert(run->nFlags & MERF_GRAPHICS);
+  assert(run->ole_obj);
+  if (IOleObject_QueryInterface(run->ole_obj->poleobj, &IID_IDataObject, (void**)&ido) != S_OK)
+  {
+    FIXME("Couldn't get interface\n");
+    return;
+  }
+  fmt.cfFormat = CF_BITMAP;
+  fmt.ptd = NULL;
+  fmt.dwAspect = DVASPECT_CONTENT;
+  fmt.lindex = -1;
+  fmt.tymed = TYMED_GDI;
+  if (IDataObject_GetData(ido, &fmt, &stgm) != S_OK)
+  {
+    fmt.cfFormat = CF_ENHMETAFILE;
+    fmt.tymed = TYMED_ENHMF;
+    if (IDataObject_GetData(ido, &fmt, &stgm) != S_OK)
+    {
+      FIXME("Couldn't get storage medium\n");
+      IDataObject_Release(ido);
+      return;
+    }
+  }
+  switch (stgm.tymed)
+  {
+  case TYMED_GDI:
+    GetObjectW(stgm.u.hBitmap, sizeof(dibsect), &dibsect);
+    hMemDC = CreateCompatibleDC(c->hDC);
+    SelectObject(hMemDC, stgm.u.hBitmap);
+    BitBlt(c->hDC, x, y - dibsect.dsBm.bmHeight, dibsect.dsBm.bmWidth, dibsect.dsBm.bmHeight, hMemDC, 0, 0, SRCCOPY);
+    DeleteDC(hMemDC);
+    if (!stgm.pUnkForRelease) DeleteObject(stgm.u.hBitmap);
+    break;
+  case TYMED_ENHMF:
+    GetEnhMetaFileHeader(stgm.u.hEnhMetaFile, sizeof(emh), &emh);
+    rc.left = x;
+    rc.top = y - (emh.rclBounds.bottom - emh.rclBounds.top);
+    rc.right = x + emh.rclBounds.right - emh.rclBounds.left;
+    rc.bottom = y;
+    PlayEnhMetaFile(c->hDC, stgm.u.hEnhMetaFile, &rc);
+    if (!stgm.pUnkForRelease) DeleteEnhMetaFile(stgm.u.hEnhMetaFile);
+    break;
+  default:
+    FIXME("Unsupported tymed %d\n", stgm.tymed);
+    break;
+  }
+  IDataObject_Release(ido);
+}
+
+void ME_DeleteReObject(REOBJECT* reo)
+{
+    if (reo->poleobj)   IOleObject_Release(reo->poleobj);
+    if (reo->pstg)      IStorage_Release(reo->pstg);
+    if (reo->polesite)  IOleClientSite_Release(reo->polesite);
+    FREE_OBJ(reo);
+}
+
+void ME_CopyReObject(REOBJECT* dst, const REOBJECT* src)
+{
+    *dst = *src;
+
+    if (dst->poleobj)   IOleObject_AddRef(dst->poleobj);
+    if (dst->pstg)      IStorage_AddRef(dst->pstg);
+    if (dst->polesite)  IOleClientSite_AddRef(dst->polesite);
+}
+
diff --git a/dlls/riched20/run.c b/dlls/riched20/run.c
index 2da891e..9928640 100644
--- a/dlls/riched20/run.c
+++ b/dlls/riched20/run.c
@@ -359,6 +359,7 @@ ME_DisplayItem *ME_MakeRun(ME_Style *s, ME_String *strData, int nFlags)
 {
   ME_DisplayItem *item = ME_MakeDI(diRun);
   item->member.run.style = s;
+  item->member.run.ole_obj = NULL;
   item->member.run.strText = strData;
   item->member.run.nFlags = nFlags;
   item->member.run.nCharOfs = -1;
@@ -468,19 +469,6 @@ void ME_UpdateRunFlags(ME_TextEditor *editor, ME_Run *run)
 }
 
 /******************************************************************************
- * ME_GetGraphicsSize
- * 
- * Sets run extent for graphics runs. This functionality is just a placeholder
- * for future OLE object support, and will be removed.
- */     
-void ME_GetGraphicsSize(ME_TextEditor *editor, ME_Run *run, SIZE *pSize)
-{
-  assert(run->nFlags & MERF_GRAPHICS);
-  pSize->cx = 64;
-  pSize->cy = 64;
-}
-
-/******************************************************************************
  * ME_CharFromPoint
  * 
  * Returns a character position inside the run given a run-relative
@@ -504,7 +492,7 @@ int ME_CharFromPoint(ME_Context *c, int cx, ME_Run *run)
   if (run->nFlags & MERF_GRAPHICS)
   {
     SIZE sz;
-    ME_GetGraphicsSize(c->editor, run, &sz);
+    ME_GetOLEObjectSize(c->editor, run, &sz);
     if (cx < sz.cx)
       return 0;
     return 1;
@@ -561,7 +549,7 @@ int ME_CharFromPointCursor(ME_TextEditor *editor, int cx, ME_Run *run)
   if (run->nFlags & MERF_GRAPHICS)
   {
     SIZE sz;
-    ME_GetGraphicsSize(editor, run, &sz);
+    ME_GetOLEObjectSize(editor, run, &sz);
     if (cx < sz.cx/2)
       return 0;
     return 1;
@@ -624,7 +612,7 @@ int ME_PointFromChar(ME_TextEditor *editor, ME_Run *pRun, int nOffset)
   if (pRun->nFlags & MERF_GRAPHICS)
   {
     if (!nOffset) return 0;
-    ME_GetGraphicsSize(editor, pRun, &size);
+    ME_GetOLEObjectSize(editor, pRun, &size);
     return 1;
   }
   
@@ -701,7 +689,7 @@ static SIZE ME_GetRunSizeCommon(ME_Context *c, const ME_Paragraph *para, ME_Run
   }
   if (run->nFlags & MERF_GRAPHICS)
   {
-    ME_GetGraphicsSize(c->editor, run, &size);
+    ME_GetOLEObjectSize(c->editor, run, &size);
     if (size.cy > *pAscent)
       *pAscent = size.cy;
     /* descent is unchanged */
diff --git a/dlls/riched20/undo.c b/dlls/riched20/undo.c
index d277e26..12c8d30 100644
--- a/dlls/riched20/undo.c
+++ b/dlls/riched20/undo.c
@@ -71,6 +71,12 @@ ME_UndoItem *ME_AddUndoItem(ME_TextEditor *editor, ME_DIType type, const ME_Disp
       CopyMemory(&pItem->member.run, &pdi->member.run, sizeof(ME_Run));
       pItem->member.run.strText = ME_StrDup(pItem->member.run.strText);
       ME_AddRefStyle(pItem->member.run.style);
+      if (pdi->member.run.ole_obj)
+      {
+        pItem->member.run.ole_obj = ALLOC_OBJ(*pItem->member.run.ole_obj);
+        ME_CopyReObject(pItem->member.run.ole_obj, pdi->member.run.ole_obj);
+      }
+      else pItem->member.run.ole_obj = NULL;
       break;
     case diUndoSetCharFormat:
     case diUndoSetDefaultCharFormat:





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