correctly display messages issued by getStatus

git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@9303 a592a061-630c-0410-9148-cb99ea01b6c8

src/ChangeLog

@@ -1,3 +1,17 @@
+2004-11-24  Jean-Marc Lasgouttes  <lasgouttes@lyx.org>
+
+	* lyxfunc.C (getStatus, dispatch): use FuncStatus::message; only
+	call BufferView::getStatus if LCursor::getStatus did nothing
+	(setStatusMessage, getStatusMessage): removed.
+
+	* FuncStatus.C (message): new methods. Used to provide an error
+	message indicating why a command is disabled.
+	(clear, |=, FuncStatus): update for message.
+	
+2004-11-23  Georg Baum  <Georg.Baum@post.rwth-aachen.de>
+
+	* lyxfunc.C (dispatch): always call sendDispatchMessage
+	
 2004-11-24  Alfredo Braunstein  <abraunst@lyx.org>
 
 	* BufferView.C:
@@ -36,7 +50,7 @@
 2004-11-22  Jean-Marc Lasgouttes  <lasgouttes@lyx.org>
 
 	* lyxfind.C (findNextChange): update the bufferview after setting
-	the selection
+	the selection.
 
 2004-11-16  Jean-Marc Lasgouttes  <lasgouttes@lyx.org>
 

src/FuncStatus.C

@@ -12,6 +12,8 @@
 
 #include "FuncStatus.h"
 
+using std::string;
+
 FuncStatus::FuncStatus() : v_(OK)
 {
 }
@@ -20,12 +22,15 @@ FuncStatus::FuncStatus() : v_(OK)
 void FuncStatus::clear()
 {
 	v_ = OK;
+	message_.erase();
 }
 
 
 void FuncStatus::operator|=(FuncStatus const & f)
 {
 	v_ |= f.v_;
+	if (!f.message_.empty())
+		message_ = f.message_;
 }
 
 
@@ -73,3 +78,15 @@ bool FuncStatus::onoff(bool b) const
 	else
 		return (v_ & OFF);
 }
+
+
+void FuncStatus::message(string const & m)
+{
+	message_ = m;
+}
+
+
+string const & FuncStatus::message() const
+{
+	return message_;
+}

src/FuncStatus.h

@@ -12,6 +12,8 @@
 #ifndef FUNC_STATUS_H
 #define FUNC_STATUS_H
 
+#include <string>
+
 /// The status of a function.
 
 class FuncStatus
@@ -33,10 +35,12 @@ private:
 
 	unsigned int v_;
 
+	std::string message_;
+
 public:
 	///
 	FuncStatus();
-	//
+	///
 	void clear();
 	///
 	void operator|=(FuncStatus const & f);
@@ -54,6 +58,11 @@ public:
 	void setOnOff(bool b);
 	///
 	bool onoff(bool b) const;
+
+	///
+	void message(std::string const & m);
+	///
+	std::string const & message() const;
 };
 
 #endif

src/lyxfunc.C

@@ -286,7 +286,7 @@ FuncStatus LyXFunc::getStatus(FuncRequest const & cmd) const
 		buf = owner->buffer();
 
 	if (cmd.action == LFUN_NOACTION) {
-		setStatusMessage(N_("Nothing to do"));
+		flag.message(N_("Nothing to do"));
 		flag.enabled(false);
 		return flag;
 	}
@@ -304,19 +304,19 @@ FuncStatus LyXFunc::getStatus(FuncRequest const & cmd) const
 	}
 
 	if (flag.unknown()) {
-		setStatusMessage(N_("Unknown action"));
+		flag.message(N_("Unknown action"));
 		return flag;
 	}
 
 	// the default error message if we disable the command
-	setStatusMessage(N_("Command disabled"));
+	flag.message(N_("Command disabled"));
 	if (!flag.enabled())
 		return flag;
 
 	// Check whether we need a buffer
 	if (!lyxaction.funcHasFlag(cmd.action, LyXAction::NoBuffer) && !buf) {
 		// no, exit directly
-		setStatusMessage(N_("Command not allowed with"
+		flag.message(N_("Command not allowed with"
 				    "out any document open"));
 		flag.enabled(false);
 		return flag;
@@ -522,8 +522,7 @@ FuncStatus LyXFunc::getStatus(FuncRequest const & cmd) const
 
 	default:
 
-		cur.getStatus(cmd, flag);
-		if (!flag.enabled())
+		if (!cur.getStatus(cmd, flag))
 			flag = view()->getStatus(cmd);
 	}
 
@@ -534,7 +533,7 @@ FuncStatus LyXFunc::getStatus(FuncRequest const & cmd) const
 	if (buf && buf->isReadonly()
 	    && !lyxaction.funcHasFlag(cmd.action, LyXAction::ReadOnly)
 	    && !lyxaction.funcHasFlag(cmd.action, LyXAction::NoBuffer)) {
-		setStatusMessage(N_("Document is read-only"));
+		flag.message(N_("Document is read-only"));
 		flag.enabled(false);
 	}
 
@@ -615,14 +614,14 @@ void LyXFunc::dispatch(FuncRequest const & cmd)
 
 	bool update = true;
 
-	// We cannot use this function here
-	if (!getStatus(cmd).enabled()) {
+	FuncStatus const flag = getStatus(cmd);
+	if (!flag.enabled()) {
+		// We cannot use this function here
 		lyxerr[Debug::ACTION] << "LyXFunc::dispatch: "
 		       << lyxaction.getActionName(action)
 		       << " [" << action << "] is disabled at this location"
 		       << endl;
-		setErrorMessage(getStatusMessage());
-
+		setErrorMessage(flag.message());
 	} else {
 
 		if (view()->available())
@@ -1477,9 +1476,9 @@ void LyXFunc::dispatch(FuncRequest const & cmd)
 
 		if (view()->cursor().inTexted()) {
 			view()->owner()->updateLayoutChoice();
-			sendDispatchMessage(getMessage(), cmd);
 		}
 	}
+	sendDispatchMessage(getMessage(), cmd);
 }
 
 
@@ -1779,12 +1778,6 @@ void LyXFunc::setMessage(string const & m) const
 }
 
 
-void LyXFunc::setStatusMessage(string const & m) const
-{
-	status_buffer = m;
-}
-
-
 string const LyXFunc::viewStatusMessage()
 {
 	// When meta-fake key is pressed, show the key sequence so far + "M-".

src/lyxfunc.h

@@ -64,12 +64,8 @@ public:
 	void setMessage(std::string const & m) const;
 	/// Buffer to store result messages
 	void setErrorMessage(std::string const &) const;
-	/// Buffer to store result messages from getStatus
-	void setStatusMessage(std::string const &) const;
 	/// Buffer to store result messages
 	std::string const getMessage() const { return dispatch_buffer; }
-	/// Buffer to store result messages
-	std::string const getStatusMessage() const { return status_buffer; }
 	/// Handle a accented char key sequence
 	void handleKeyFunc(kb_action action);
 
@@ -98,8 +94,6 @@ private:
 	    good reason to have this one as static in Dispatch? (Ale)
 	*/
 	mutable std::string dispatch_buffer;
-	/// Buffer to store messages and result data from getStatus
-	mutable std::string status_buffer;
 
 	/// send a post-dispatch status message
 	void sendDispatchMessage(std::string const & msg,