riched20: Add support for ECO_NOHIDESEL flag.

dlls/riched20/editor.c

@@ -3453,14 +3453,15 @@ LRESULT ME_HandleMessage(ME_TextEditor *editor, UINT msg, WPARAM wParam,
         ME_RewrapRepaint(editor);
       }
 
+      if ((changedSettings & settings & ES_NOHIDESEL) && !editor->bHaveFocus)
+          ME_InvalidateSelection( editor );
+
       if (changedSettings & settings & ECO_VERTICAL)
         FIXME("ECO_VERTICAL not implemented yet!\n");
       if (changedSettings & settings & ECO_AUTOHSCROLL)
         FIXME("ECO_AUTOHSCROLL not implemented yet!\n");
       if (changedSettings & settings & ECO_AUTOVSCROLL)
         FIXME("ECO_AUTOVSCROLL not implemented yet!\n");
-      if (changedSettings & settings & ECO_NOHIDESEL)
-        FIXME("ECO_NOHIDESEL not implemented yet!\n");
       if (changedSettings & settings & ECO_WANTRETURN)
         FIXME("ECO_WANTRETURN not implemented yet!\n");
       if (changedSettings & settings & ECO_AUTOWORDSELECTION)
@@ -4257,6 +4258,8 @@ LRESULT ME_HandleMessage(ME_TextEditor *editor, UINT msg, WPARAM wParam,
     editor->bHaveFocus = TRUE;
     ME_ShowCaret(editor);
     ME_SendOldNotify(editor, EN_SETFOCUS);
+    if (!editor->bHideSelection && !(editor->styleFlags & ES_NOHIDESEL))
+        ME_InvalidateSelection( editor );
     return 0;
   case WM_KILLFOCUS:
     ME_CommitUndo(editor); /* End coalesced undos for typed characters */
@@ -4264,6 +4267,8 @@ LRESULT ME_HandleMessage(ME_TextEditor *editor, UINT msg, WPARAM wParam,
     editor->wheel_remain = 0;
     ME_HideCaret(editor);
     ME_SendOldNotify(editor, EN_KILLFOCUS);
+    if (!editor->bHideSelection && !(editor->styleFlags & ES_NOHIDESEL))
+        ME_InvalidateSelection( editor );
     return 0;
   case WM_COMMAND:
     TRACE("editor wnd command = %d\n", LOWORD(wParam));

dlls/riched20/paint.c

@@ -261,7 +261,8 @@ static void draw_space( ME_Context *c, ME_Run *run, int x, int y,
 
     SetRect( &rect, x, ymin, x + run->nWidth, ymin + cy );
 
-    if (c->editor->bHideSelection) selected = FALSE;
+    if (c->editor->bHideSelection || (!c->editor->bHaveFocus &&
+                !(c->editor->styleFlags & ES_NOHIDESEL))) selected = FALSE;
     if (c->editor->bEmulateVersion10)
     {
         old_style_selected = selected;
@@ -355,7 +356,8 @@ static void ME_DrawTextWithStyle(ME_Context *c, ME_Run *run, int x, int y,
   HGDIOBJ hOldFont;
   int yOffset = 0;
   BOOL selected = (nSelFrom < run->len && nSelTo >= 0
-                   && nSelFrom < nSelTo && !c->editor->bHideSelection);
+                   && nSelFrom < nSelTo && !c->editor->bHideSelection &&
+                   (c->editor->bHaveFocus || (c->editor->styleFlags & ES_NOHIDESEL)));
   BOOL old_style_selected = FALSE;
   RECT sel_rect;
   HRGN clip = NULL, sel_rgn = NULL;