[gnumeric] hide gee tooltip on move of window (and some other window actions)

[Andreas J. Guelzow <guelzow src gnome org>]

commit 898d8b0b13b2e0ee0b90600d119f4187fb8464be
Author: Andreas J Guelzow <aguelzow pyrshep ca>
Date:   Mon Jun 14 14:35:31 2010 -0600

    hide gee tooltip on move of window (and some other window actions)
    
    2010-06-14  Andreas J. Guelzow <aguelzow pyrshep ca>
    
    	* gnumeric-expr-entry.c (_GnmExprEntry): add field
    	(gee_init): initalize new field
    	(gee_delete_tooltip): disconnect handler
    	(cb_gee_configure_event): new
    	(gee_create_tooltip): connect handler

 src/widgets/ChangeLog             |    8 ++++++++
 src/widgets/gnumeric-expr-entry.c |   23 +++++++++++++++++++++++
 2 files changed, 31 insertions(+), 0 deletions(-)
---
diff --git a/src/widgets/ChangeLog b/src/widgets/ChangeLog
index 680c65f..5a037ff 100644
--- a/src/widgets/ChangeLog
+++ b/src/widgets/ChangeLog
@@ -1,5 +1,13 @@
 2010-06-14  Andreas J. Guelzow <aguelzow pyrshep ca>
 
+	* gnumeric-expr-entry.c (_GnmExprEntry): add field
+	(gee_init): initalize new field
+	(gee_delete_tooltip): disconnect handler
+	(cb_gee_configure_event): new
+	(gee_create_tooltip): connect handler
+
+2010-06-14  Andreas J. Guelzow <aguelzow pyrshep ca>
+
 	* gnumeric-expr-entry.c (_GnmExprEntry): new fields
 	(gee_delete_tooltip): delete our tooltip window
 	(gee_create_tooltip): new
diff --git a/src/widgets/gnumeric-expr-entry.c b/src/widgets/gnumeric-expr-entry.c
index 03fa3f7..7566b29 100644
--- a/src/widgets/gnumeric-expr-entry.c
+++ b/src/widgets/gnumeric-expr-entry.c
@@ -74,6 +74,7 @@ struct _GnmExprEntry {
 	struct {
 		GtkWidget       *tooltip;
 		GnmFunc         *fd;
+		guint            handlerid;
 	}                        tooltip;
 
 	GOFormat const *constant_format;
@@ -590,6 +591,21 @@ gee_delete_tooltip (GnmExprEntry *gee)
 		gnm_func_unref (gee->tooltip.fd);
 		gee->tooltip.fd = NULL;
 	}
+	if (gee->tooltip.handlerid != 0) {
+		g_signal_handler_disconnect (gtk_widget_get_toplevel 
+					     (GTK_WIDGET (gee->entry)),
+					     gee->tooltip.handlerid);
+		gee->tooltip.handlerid = 0;
+	}
+}
+
+static gboolean
+cb_gee_configure_event (GtkWidget         *widget,
+			GdkEventConfigure *event,
+			gpointer           user_data)
+{
+	gee_delete_tooltip (user_data);
+	return FALSE;
 }
 
 static GtkWidget *
@@ -605,6 +621,12 @@ gee_create_tooltip (GnmExprEntry *gee, gchar const *str)
 
 	toplevel = GTK_WINDOW (gtk_widget_get_toplevel 
 			       (GTK_WIDGET (gee->entry)));
+	gtk_widget_add_events(GTK_WIDGET(toplevel), GDK_CONFIGURE);
+	if (gee->tooltip.handlerid == 0)
+		gee->tooltip.handlerid = g_signal_connect 
+			(G_OBJECT (toplevel), "configure-event",
+			 G_CALLBACK (cb_gee_configure_event), gee);
+	
 	screen = gtk_window_get_screen (toplevel);
 	
 	gtk_widget_size_request (GTK_WIDGET (gee->entry), &requisition);
@@ -954,6 +976,7 @@ gee_init (GnmExprEntry *gee)
 	gee->feedback_disabled = FALSE;
 	gee->tooltip.tooltip = NULL;
 	gee->tooltip.fd = NULL;
+	gee->tooltip.handlerid = 0;
 	gee_rangesel_reset (gee);
 
 	gee->entry = GTK_ENTRY (gtk_entry_new ());