fix bug 2212: First change is skipped in Merge changes... dialog

git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/branches/BRANCH_1_4_X@13332 a592a061-630c-0410-9148-cb99ea01b6c8

src/BufferView_pimpl.C

@@ -907,12 +907,7 @@ void BufferView::Pimpl::trackChanges()
 		buffer_->undostack().clear();
 	} else {
 		cursor_.setCursor(doc_iterator_begin(buffer_->inset()));
-		bool const found = lyx::find::findNextChange(bv_);
+		if (lyx::find::findNextChange(bv_)) {
-		if (found) {
-			// We reset the cursor to the start of the
-			// document, since the Changes Dialog is going
-			// to search for the next change anyway.
-			cursor_.setCursor(doc_iterator_begin(buffer_->inset()));
 			owner_->getDialogs().show("changes");
 			return;
 		}
@@ -1213,6 +1208,7 @@ bool BufferView::Pimpl::dispatch(FuncRequest const & cmd)
 	}
 
 	case LFUN_MERGE_CHANGES:
+		if (lyx::find::findNextChange(bv_))
 			owner_->getDialogs().show("changes");
 		break;
 

src/ChangeLog

@@ -4142,6 +4142,11 @@
 
 2004-02-06  André Pönitz  <poenitz@gmx.net>
 
+	* BufferView_pimpl.C: fix bug 2212: First change is skipped is
+	"Merge changes..." dialog
+
+2006-03-10  Martin Vermeer  <martin.vermeer@hut.fi>
+
 	* BufferView.[Ch]:
 	* BufferView_pimpl.[Ch]:
 	* text3.C: move some text specific LFUN handling

src/frontends/controllers/ChangeLog

@@ -1,3 +1,8 @@
+2006-03-10  Martin Vermeer  <martin.vermeer@hut.fi>
+
+	* ControlChanges.C: fix bug 2212: First change is skipped in
+	"Merge changes..." dialog
+
 2005-12-12  Jürgen Spitzmüller  <j.spitzmueller@gmx.de>
 
 	* ControlPrefs.[Ch]: new helper functions toPaperSize and

src/frontends/controllers/ControlChanges.C

@@ -39,6 +39,13 @@ bool ControlChanges::find()
 }
 
 
+bool ControlChanges::changed()
+{
+	Change c(kernel().bufferview()->getCurrentChange());
+	return c.type != Change::UNCHANGED;
+}
+
+
 string const ControlChanges::getChangeDate()
 {
 	Change c(kernel().bufferview()->getCurrentChange());

src/frontends/controllers/ControlChanges.h

@@ -38,6 +38,9 @@ public:
 	/// find the next merge chunk and highlight it
 	bool find();
 
+	/// Are there changes to be merged at current location?
+	bool changed();
+	
 	/// return date of change
 	std::string const getChangeDate();
 

src/frontends/gtk/ChangeLog

@@ -1,3 +1,8 @@
+2006-03-10  Martin Vermeer  <martin.vermeer@hut.fi>
+
+	* GChanges.C: fix bug 2212: First change is skipped in
+	        "Merge changes..." dialog
+
 2006-02-20  John Spray  <spray@lyx.org>
 	* glade/documents.glade: change "page style" to "page numbering"
 	  in UI.

src/frontends/gtk/GChanges.C

@@ -63,7 +63,10 @@ void GChanges::doBuild()
 
 void GChanges::update()
 {
-	onNext();
+	if (controller().changed())
+		promptChange();
+	else
+		promptDismiss();
 }
 
 

src/frontends/qt2/ChangeLog

@@ -1,3 +1,8 @@
+2006-03-10  Martin Vermeer  <martin.vermeer@hut.fi>
+
+	* QChanges.C: fix bug 2212: First change is skipped in
+	"Merge changes..." dialog
+
 2006-03-10  Georg Baum  <Georg.Baum@post.rwth-aachen.de>
 
 	* QWorkArea.C (getClipboard): convert MAC to UNIX line endings on OSX

src/frontends/qt2/QChanges.C

@@ -50,14 +50,6 @@ void QChanges::build_dialog()
 
 void QChanges::update_contents()
 {
-	next();
-}
-
-
-void QChanges::next()
-{
-	controller().find();
-
 	string text;
 	string author(controller().getChangeAuthor());
 	string date(controller().getChangeDate());
@@ -71,6 +63,13 @@ void QChanges::next()
 }
 
 
+void QChanges::next()
+{
+	controller().find();
+	update_contents();
+}
+
+
 void QChanges::accept()
 {
 	controller().accept();

src/frontends/xforms/ChangeLog

@@ -1,3 +1,8 @@
+2006-03-10  Martin Vermeer  <martin.vermeer@hut.fi>
+
+	* FormChanges.C: fix bug 2212: First change is skipped in
+	"Merge changes..." dialog
+
 2006-02-15  Jürgen Spitzmüller  <j.spitzmueller@gmx.de>
 
 	* FormCitation.C (input): get rid of the iterator.

src/frontends/xforms/FormChanges.C

@@ -48,21 +48,8 @@ void FormChanges::build()
 
 void FormChanges::update()
 {
-	input(dialog_->button_next, 0);
+	if (!dialog_.get()) return;
-}
+	bool exist = controller().changed();
-
-
-ButtonPolicy::SMInput FormChanges::input(FL_OBJECT * obj, long)
-{
-	if (obj == dialog_->button_accept) {
-		controller().accept();
-
-	} else if (obj == dialog_->button_reject) {
-		controller().reject();
-
-	} else if (obj == dialog_->button_next) {
-
-		bool const exist = controller().find();
 	setEnabled(dialog_->button_accept, exist);
 	setEnabled(dialog_->button_reject, exist);
 	setEnabled(dialog_->button_next, exist);
@@ -77,6 +64,16 @@ ButtonPolicy::SMInput FormChanges::input(FL_OBJECT * obj, long)
 	fl_redraw_form(form());
 }
 
+
+ButtonPolicy::SMInput FormChanges::input(FL_OBJECT * obj, long)
+{
+	if (obj == dialog_->button_accept)
+		controller().accept();
+	else if (obj == dialog_->button_reject)
+		controller().reject();
+	else if (obj == dialog_->button_next)
+		controller().find();
+	update();
 	return ButtonPolicy::SMI_VALID;
 }