From 922726faae3729dca355d9d3dc6ed5dbf281ecc9 Mon Sep 17 00:00:00 2001
From: Richard Heck <rgheck@comcast.net>
Date: Mon, 5 Mar 2012 22:38:21 +0000
Subject: [PATCH] Backport fix for #7916.

git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/branches/BRANCH_2_0_X@40863 a592a061-630c-0410-9148-cb99ea01b6c8
---
 src/BufferView.cpp            | 22 +++++++++-
 src/frontends/qt4/GuiView.cpp | 82 +++++++++++++++--------------------
 status.20x                    |  4 ++
 3 files changed, 58 insertions(+), 50 deletions(-)

diff --git a/src/BufferView.cpp b/src/BufferView.cpp
index 1aa3c3b60a..950f391b0e 100644
--- a/src/BufferView.cpp
+++ b/src/BufferView.cpp
@@ -1036,9 +1036,17 @@ bool BufferView::getStatus(FuncRequest const & cmd, FuncStatus & flag)
 		// buffer clean/dirty status by itself.
 		flag.setEnabled(!buffer_.isReadonly() && buffer_.undo().hasRedoStack());
 		break;
-	case LFUN_FILE_INSERT:
 	case LFUN_FILE_INSERT_PLAINTEXT_PARA:
-	case LFUN_FILE_INSERT_PLAINTEXT:
+	case LFUN_FILE_INSERT_PLAINTEXT: {
+		docstring const fname = cmd.argument();
+		if (!FileName::isAbsolute(to_utf8(fname))) {
+			flag.message(_("Absolute filename expected."));
+			return false;
+		}
+		flag.setEnabled(cur.inTexted());
+		break;
+	}
+	case LFUN_FILE_INSERT:
 	case LFUN_BOOKMARK_SAVE:
 		// FIXME: Actually, these LFUNS should be moved to Text
 		flag.setEnabled(cur.inTexted());
@@ -1918,6 +1926,16 @@ void BufferView::dispatch(FuncRequest const & cmd, DispatchResult & dr)
 			cur.setCurrentFont();
 			dr.forceBufferUpdate();
 		}
+	}
+
+	case LFUN_FILE_INSERT_PLAINTEXT_PARA:
+	case LFUN_FILE_INSERT_PLAINTEXT: {
+		bool const as_paragraph = (act == LFUN_FILE_INSERT_PLAINTEXT_PARA);
+		string const fname = to_utf8(cmd.argument());
+		if (!FileName::isAbsolute(fname))
+			dr.setMessage(_("Absolute filename expected."));
+		else
+			insertPlaintextFile(FileName(fname), as_paragraph);
 		break;
 	}
 
diff --git a/src/frontends/qt4/GuiView.cpp b/src/frontends/qt4/GuiView.cpp
index e29576e350..ea08213066 100644
--- a/src/frontends/qt4/GuiView.cpp
+++ b/src/frontends/qt4/GuiView.cpp
@@ -1851,6 +1851,11 @@ bool GuiView::getStatus(FuncRequest const & cmd, FuncStatus & flag)
 		enable = !(lyxrc.forward_search_dvi.empty() && lyxrc.forward_search_pdf.empty());
 		break;
 
+	case LFUN_FILE_INSERT_PLAINTEXT:
+	case LFUN_FILE_INSERT_PLAINTEXT_PARA:
+		enable = documentBufferView() && documentBufferView()->cursor().inTexted();
+		break;
+
 	default:
 		return false;
 	}
@@ -2212,49 +2217,6 @@ void GuiView::insertLyXFile(docstring const & fname)
 }
 
 
-void GuiView::insertPlaintextFile(docstring const & fname,
-	bool asParagraph)
-{
-	BufferView * bv = documentBufferView();
-	if (!bv)
-		return;
-
-	if (!fname.empty() && !FileName::isAbsolute(to_utf8(fname))) {
-		message(_("Absolute filename expected."));
-		return;
-	}
-
-	// FIXME UNICODE
-	FileName filename(to_utf8(fname));
-
-	if (!filename.empty()) {
-		bv->insertPlaintextFile(filename, asParagraph);
-		return;
-	}
-
-	FileDialog dlg(qt_("Select file to insert"), (asParagraph ?
-		LFUN_FILE_INSERT_PLAINTEXT_PARA : LFUN_FILE_INSERT_PLAINTEXT));
-
-	FileDialog::Result result = dlg.open(toqstr(bv->buffer().filePath()),
-		QStringList(qt_("All Files (*)")));
-
-	if (result.first == FileDialog::Later)
-		return;
-
-	// FIXME UNICODE
-	filename.set(fromqstr(result.second));
-
-	// check selected filename
-	if (filename.empty()) {
-		// emit message signal.
-		message(_("Canceled."));
-		return;
-	}
-
-	bv->insertPlaintextFile(filename, asParagraph);
-}
-
-
 bool GuiView::renameBuffer(Buffer & b, docstring const & newname)
 {
 	FileName fname = b.fileName();
@@ -3286,13 +3248,37 @@ void GuiView::dispatch(FuncRequest const & cmd, DispatchResult & dr)
 			insertLyXFile(cmd.argument());
 			break;
 
-		case LFUN_FILE_INSERT_PLAINTEXT_PARA:
-			insertPlaintextFile(cmd.argument(), true);
-			break;
-
 		case LFUN_FILE_INSERT_PLAINTEXT:
-			insertPlaintextFile(cmd.argument(), false);
+		case LFUN_FILE_INSERT_PLAINTEXT_PARA: {
+			bool const as_paragraph = (cmd.action() == LFUN_FILE_INSERT_PLAINTEXT_PARA);
+			string const fname = to_utf8(cmd.argument());
+			if (!fname.empty() && !FileName::isAbsolute(fname)) {
+				dr.setMessage(_("Absolute filename expected."));
+				break;
+			}
+			
+			FileName filename(fname);
+			if (fname.empty()) {
+				FileDialog dlg(qt_("Select file to insert"), (as_paragraph ?
+					LFUN_FILE_INSERT_PLAINTEXT_PARA : LFUN_FILE_INSERT_PLAINTEXT));
+
+				FileDialog::Result result = dlg.open(toqstr(bv->buffer().filePath()),
+					QStringList(qt_("All Files (*)")));
+				
+				if (result.first == FileDialog::Later || result.second.isEmpty()) {
+					dr.setMessage(_("Canceled."));
+					break;
+				}
+
+				filename.set(fromqstr(result.second));
+			}
+
+			if (bv) {
+				FuncRequest const new_cmd(cmd, filename.absoluteFilePath());
+				bv->dispatch(new_cmd, dr);
+			}
 			break;
+		}
 
 		case LFUN_BUFFER_RELOAD: {
 			LASSERT(doc_buffer, break);
diff --git a/status.20x b/status.20x
index 0e5b015137..3bfc15d8a4 100644
--- a/status.20x
+++ b/status.20x
@@ -38,6 +38,8 @@ What's new
 
 - New option to show only the preamble when viewing source (bug 7860).
 
+- Fix undo warning when inserting plain text file (bug 7916).
+
 
 * DOCUMENTATION AND LOCALIZATION
 
@@ -76,6 +78,8 @@ What's new
 
 - Fix tooltip for "Use Non-TeX Fonts" (bug 7787).
 
+- Fixed stray warning when inserting inserting plaintext file (bug 7916).
+
 
 * DOCUMENTATION AND LOCALIZATION