From 37d42d45f3f4a5d3e916a080af50b37ae4a9d118 Mon Sep 17 00:00:00 2001
From: John Spray <spray@lyx.org>
Date: Sat, 28 Jan 2006 16:37:19 +0000
Subject: [PATCH] Continue to improve GtkLengthEntry

git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@10787 a592a061-630c-0410-9148-cb99ea01b6c8
---
 src/frontends/gtk/ChangeLog        |  8 ++++++--
 src/frontends/gtk/GtkLengthEntry.C | 12 +++++++++---
 src/frontends/gtk/GtkLengthEntry.h |  5 +++++
 3 files changed, 20 insertions(+), 5 deletions(-)

diff --git a/src/frontends/gtk/ChangeLog b/src/frontends/gtk/ChangeLog
index fc6c3e510e..181062a82d 100644
--- a/src/frontends/gtk/ChangeLog
+++ b/src/frontends/gtk/ChangeLog
@@ -1,9 +1,13 @@
+2006-01-28  John Spray  <spray@lyx.org>
+
+	* GtkLengthEntry.[Ch]: implement signal_changed, setup spin limits
+
 2006-01-27  Bernhard Reiter  <ockham@gmx.net>
 
 	* GBranch.[Ch], glade/branch.glade: Add the Branches dialog
 	* Dialogs.C, Makefile.am, glade/Makefile.am: Use GBranch
- 	* GCitation.C, glade/citation.glade: Add some shortcuts, 
- 	  set shortcut targets correctly plus some minor bc().valid() logic
+	* GCitation.C, glade/citation.glade: Add some shortcuts, 
+	  set shortcut targets correctly plus some minor bc().valid() logic
 
 2006-01-25  Georg Baum  <Georg.Baum@post.rwth-aachen.de>
 
diff --git a/src/frontends/gtk/GtkLengthEntry.C b/src/frontends/gtk/GtkLengthEntry.C
index 9317164723..e1a29a930d 100644
--- a/src/frontends/gtk/GtkLengthEntry.C
+++ b/src/frontends/gtk/GtkLengthEntry.C
@@ -29,10 +29,8 @@ namespace frontend {
 GtkLengthEntry::GtkLengthEntry(
 	BaseObjectType* cobject,
 	const Glib::RefPtr<Gnome::Glade::Xml>& refGlade)
-: Gtk::HBox(cobject), spin_(0.1, 2)
+: Gtk::HBox(cobject), adj_(666.0, 0.0, 99999.0, 0.1, 1, 0.0), spin_(adj_, 0.1, 2)
 {
-
-	spin_.set_range(0.0, 99999.0f);
 	populateUnitCombo (combo_, true);
 	relative_ = true;
 
@@ -40,6 +38,14 @@ GtkLengthEntry::GtkLengthEntry(
 	pack_start (spin_, true, true, 0);
 	pack_start (combo_, true, true, 0);
 	show_all();
+	spin_.signal_changed().connect(sigc::mem_fun(changedsignal_, &sigc::signal<void>::emit));
+	combo_.signal_changed().connect(sigc::mem_fun(changedsignal_, &sigc::signal<void>::emit));
+}
+
+
+sigc::signal< void >& GtkLengthEntry::signal_changed()
+{
+	return changedsignal_;
 }
 
 
diff --git a/src/frontends/gtk/GtkLengthEntry.h b/src/frontends/gtk/GtkLengthEntry.h
index e684085de1..af0991e081 100644
--- a/src/frontends/gtk/GtkLengthEntry.h
+++ b/src/frontends/gtk/GtkLengthEntry.h
@@ -38,10 +38,15 @@ public:
 
 	Gtk::SpinButton *get_spin();
 	Gtk::ComboBoxText *get_combo();
+	sigc::signal<void> &signal_changed();
 
 protected:
+	// spin_ construction depends on adj_, so it must come first
+	Gtk::Adjustment adj_;
 	Gtk::SpinButton spin_;
 	Gtk::ComboBoxText combo_;
+	sigc::signal<void> changedsignal_;
+	void emit_changed();
 	bool relative_;
 };