Changed the needed e_marshal functions.

2000-06-13  Christopher James Lahey  <clahey@helixcode.com>

	* e-util.c, e-util.h: Changed the needed e_marshal functions.

	* e-printable.c, e-printable.h: Added a quantize parameter to
	e_printable_height.  Also, added a e_printable_will_fit function.

svn path=/trunk/; revision=3551

2 files changed, 56 insertions, 7 deletions

diff --git a/widgets/misc/e-printable.c b/widgets/misc/e-printable.c
index 27170fef84..ed982469b8 100644
--- a/widgets/misc/e-printable.c
+++ b/widgets/misc/e-printable.c
@@ -24,6 +24,7 @@ enum {
 	DATA_LEFT,
 	RESET,
 	HEIGHT,
+	WILL_FIT,
 	LAST_SIGNAL
 };
 
@@ -64,8 +65,16 @@ e_printable_class_init (GtkObjectClass *object_class)
 				GTK_RUN_LAST,
 				object_class->type,
 				GTK_SIGNAL_OFFSET (EPrintableClass, height),
-				e_marshal_DOUBLE__OBJECT_DOUBLE_DOUBLE,
-				GTK_TYPE_DOUBLE, 3, GTK_TYPE_OBJECT, GTK_TYPE_DOUBLE, GTK_TYPE_DOUBLE);
+				e_marshal_DOUBLE__OBJECT_DOUBLE_DOUBLE_BOOL,
+				GTK_TYPE_DOUBLE, 4, GTK_TYPE_OBJECT, GTK_TYPE_DOUBLE, GTK_TYPE_DOUBLE, GTK_TYPE_BOOL);
+
+	e_printable_signals [WILL_FIT] =
+		gtk_signal_new ("will_fit",
+				GTK_RUN_LAST,
+				object_class->type,
+				GTK_SIGNAL_OFFSET (EPrintableClass, will_fit),
+				e_marshal_BOOL__OBJECT_DOUBLE_DOUBLE_BOOL,
+				GTK_TYPE_BOOL, 4, GTK_TYPE_OBJECT, GTK_TYPE_DOUBLE, GTK_TYPE_DOUBLE, GTK_TYPE_BOOL);
 
 	gtk_object_class_add_signals (object_class, e_printable_signals, LAST_SIGNAL);
 
@@ -73,6 +82,7 @@ e_printable_class_init (GtkObjectClass *object_class)
 	klass->data_left = NULL;
 	klass->reset = NULL;
 	klass->height = NULL;
+	klass->will_fit = NULL;
 }
 
 
@@ -154,7 +164,8 @@ gdouble
 e_printable_height              (EPrintable        *e_printable,
 				 GnomePrintContext *context,
 				 gdouble            width,
-				 gdouble            max_height)
+				 gdouble            max_height,
+				 gboolean           quantized)
 {
         gdouble ret_val;
 
@@ -166,6 +177,30 @@ e_printable_height              (EPrintable        *e_printable,
 			 context,
 			 width,
 			 max_height,
+			 quantized,
+			 &ret_val);
+
+	return ret_val;
+}
+
+gboolean
+e_printable_will_fit            (EPrintable        *e_printable,
+				 GnomePrintContext *context,
+				 gdouble            width,
+				 gdouble            max_height,
+				 gboolean           quantized)
+{
+        gboolean ret_val;
+
+	g_return_val_if_fail (e_printable != NULL, -1);
+	g_return_val_if_fail (E_IS_PRINTABLE (e_printable), -1);
+
+	gtk_signal_emit (GTK_OBJECT (e_printable),
+			 e_printable_signals [WILL_FIT],
+			 context,
+			 width,
+			 max_height,
+			 quantized,
 			 &ret_val);
 
 	return ret_val;
diff --git a/widgets/misc/e-printable.h b/widgets/misc/e-printable.h
index 2f8532e0ec..18e6ec8472 100644
--- a/widgets/misc/e-printable.h
+++ b/widgets/misc/e-printable.h
@@ -33,7 +33,16 @@ typedef struct {
 	void        (*print_page)  (EPrintable *etm, GnomePrintContext *context, gdouble width, gdouble height, gboolean quantized);
 	gboolean    (*data_left)   (EPrintable *etm);
 	void        (*reset)       (EPrintable *etm);
-	gdouble     (*height)      (EPrintable *etm, GnomePrintContext *context, gdouble width, gdouble max_height);
+	gdouble     (*height)      (EPrintable *etm, GnomePrintContext *context, gdouble width, gdouble max_height, gboolean quantized);
+
+	/* e_printable_will_fit (ep, ...) should be equal in value to
+	 * (e_printable_print_page (ep, ...),
+	 * !e_printable_data_left(ep)) except that the latter has the
+	 * side effect of doing the printing and advancing the
+	 * position of the printable.
+	 */
+
+	gboolean    (*will_fit)    (EPrintable *etm, GnomePrintContext *context, gdouble width, gdouble max_height, gboolean quantized);
 } EPrintableClass;
 
 GtkType     e_printable_get_type (void);
@@ -41,8 +50,7 @@ GtkType     e_printable_get_type (void);
 EPrintable *e_printable_new                 (void);
 	
 /*
- * Routines for emitting signals on the e_table
- */
+ * Routines for emitting signals on the e_table */
 void        e_printable_print_page          (EPrintable        *e_printable,
 					     GnomePrintContext *context,
 					     gdouble            width,
@@ -53,6 +61,12 @@ void        e_printable_reset               (EPrintable        *e_printable);
 gdouble     e_printable_height              (EPrintable        *e_printable,
 					     GnomePrintContext *context,
 					     gdouble            width,
-					     gdouble            max_height);
+					     gdouble            max_height,
+					     gboolean           quantized);
+gboolean    e_printable_will_fit            (EPrintable        *e_printable,
+					     GnomePrintContext *context,
+					     gdouble            width,
+					     gdouble            max_height,
+					     gboolean           quantized);
 
 #endif /* _E_PRINTABLE_H_ */