From 68709f1c4194615cfc89005933a998aaaa41570b Mon Sep 17 00:00:00 2001
From: Daniel Remenak <dtremenak@gmail.com>
Date: Wed, 20 Jul 2005 10:28:44 +0000
Subject: [PATCH] Basic handling of EM_SETTEXTEX.

---
 dlls/riched20/editor.c | 34 ++++++++++++++++++++++++++++++++--
 include/richedit.h     | 12 ++++++++++++
 2 files changed, 44 insertions(+), 2 deletions(-)

diff --git a/dlls/riched20/editor.c b/dlls/riched20/editor.c
index ab15df0b106..0e1cc830b1f 100644
--- a/dlls/riched20/editor.c
+++ b/dlls/riched20/editor.c
@@ -112,7 +112,7 @@
   - EM_SETSCROLLPOS 3.0
   - EM_SETTABSTOPS 3.0
   - EM_SETTARGETDEVICE
-  - EM_SETTEXTEX 3.0
+  + EM_SETTEXTEX 3.0 (unicode only, no rich text insertion handling, proper style?)
   - EM_SETTEXTMODE 2.0
   - EM_SETTYPOGRAPHYOPTIONS 3.0
   - EM_SETUNDOLIMIT 2.0
@@ -934,7 +934,6 @@ LRESULT WINAPI RichEditANSIWndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lP
   UNSUPPORTED_MSG(EM_SETSCROLLPOS)
   UNSUPPORTED_MSG(EM_SETTABSTOPS)
   UNSUPPORTED_MSG(EM_SETTARGETDEVICE)
-  UNSUPPORTED_MSG(EM_SETTEXTEX)
   UNSUPPORTED_MSG(EM_SETTEXTMODE)
   UNSUPPORTED_MSG(EM_SETTYPOGRAPHYOPTIONS)
   UNSUPPORTED_MSG(EM_SETUNDOLIMIT)
@@ -1014,6 +1013,37 @@ LRESULT WINAPI RichEditANSIWndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lP
     ME_SendSelChange(editor);
     return 0;
   }
+  case EM_SETTEXTEX:
+  {
+    LPWSTR wszText = (LPWSTR)lParam;
+    SETTEXTEX *pStruct = (SETTEXTEX *)wParam;
+    size_t len = lstrlenW(wszText);
+    int from, to;
+    ME_Style *style;
+    TRACE("EM_SETTEXEX - %s, flags %d, cp %d\n", debugstr_w(wszText), (int)pStruct->flags, pStruct->codepage);
+    if (pStruct->codepage != 1200) {
+      FIXME("EM_SETTEXTEX only supports unicode right now!\n"); 
+      return 0;
+    }
+    /* FIXME: this should support RTF strings too, according to MSDN */
+    if (pStruct->flags & ST_SELECTION) {
+      ME_GetSelection(editor, &from, &to);
+      style = ME_GetSelectionInsertStyle(editor);
+      ME_InternalDeleteText(editor, from, to - from);
+      ME_InsertTextFromCursor(editor, 0, wszText, len, style);
+      ME_ReleaseStyle(style);
+    }
+    else {
+      ME_InternalDeleteText(editor, 0, ME_GetTextLength(editor));
+      ME_InsertTextFromCursor(editor, 0, wszText, -1, editor->pBuffer->pDefaultStyle);
+      len = 1;
+    }
+    ME_CommitUndo(editor);
+    if (!(pStruct->flags & ST_KEEPUNDO))
+      ME_EmptyUndoStack(editor);
+    ME_UpdateRepaint(editor);
+    return len;
+  }
   case EM_SETBKGNDCOLOR:
   {
     LRESULT lColor = ME_GetBackColor(editor);
diff --git a/include/richedit.h b/include/richedit.h
index 214de6b0431..0bc19ce002a 100644
--- a/include/richedit.h
+++ b/include/richedit.h
@@ -677,6 +677,18 @@ typedef struct _gettextlengthex {
 
 #define GCM_RIGHTMOUSEDROP    0x8000
 
+/* Options of the EM_SETTEXTEX message */
+typedef struct _settextex {
+    DWORD	flags;
+    UINT	codepage;
+} SETTEXTEX;
+
+/* Flags of the EM_SETTEXTEX message */
+#define ST_DEFAULT	      0x00000000	
+#define ST_KEEPUNDO           0x00000001
+#define ST_SELECTION          0x00000002
+
+
 #ifdef __cplusplus
 }
 #endif
-- 
2.11.4.GIT