[gnumeric] Print sheet widget objects. [#144787]

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

commit 5db21d1e679294c5a7a5c55a229ae6d0d85be07f
Author: Andreas J. Guelzow <aguelzow pyrshep ca>
Date:   Thu Dec 24 17:40:33 2009 -0700

    Print sheet widget objects. [#144787]
    
    2009-12-24  Andreas J. Guelzow <aguelzow pyrshep ca>
    
    	* src/sheet-object-widget.c (sheet_widget_ ## n1 ## _class_init):
    	  install sheet_widget_draw_cairo
    	(sheet_widget_draw_cairo): new

 ChangeLog                 |    6 +++++
 NEWS                      |    1 +
 src/sheet-object-widget.c |   46 ++++++++++++++++++++++++++++++++++++++++++++-
 3 files changed, 52 insertions(+), 1 deletions(-)
---
diff --git a/ChangeLog b/ChangeLog
index b3837b4..3fe512a 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2009-12-24  Andreas J. Guelzow <aguelzow pyrshep ca>
+
+	* src/sheet-object-widget.c (sheet_widget_ ## n1 ## _class_init):
+	  install sheet_widget_draw_cairo
+	(sheet_widget_draw_cairo): new
+
 2009-12-24  Jean Brefort  <jean brefort normalesup org>
 
 	* src/rangefunc.h: add gnm_range_increasing (to fix a double/gnm_float
diff --git a/NEWS b/NEWS
index 8e6a353..17388a7 100644
--- a/NEWS
+++ b/NEWS
@@ -8,6 +8,7 @@ Andreas:
 	* Load graph series labels and categories from ODF files. [#379220]
 	* Write series labels to ODF files.
 	* Fix tab behaviour. [#388344]
+	* Print sheet widget objects. [#144787]
 
 Jean
 	* Fix import export of line type in scatter plots. [#605043]
diff --git a/src/sheet-object-widget.c b/src/sheet-object-widget.c
index a647e16..972c41b 100644
--- a/src/sheet-object-widget.c
+++ b/src/sheet-object-widget.c
@@ -70,6 +70,10 @@ attr_eq (const xmlChar *a, const char *s)
 /****************************************************************************/
 
 static void
+sheet_widget_draw_cairo (SheetObject const *so, cairo_t *cr,
+			 double width, double height);
+
+static void
 cb_so_get_ref (GnmDependent *dep, SheetObject *so, gpointer user)
 {
 	GnmDependent **pdep = user;
@@ -193,6 +197,7 @@ sheet_widget_ ## n1 ## _class_init (GObjectClass *object_class)		\
 	so_class->copy			= fn_copy;			\
 	so_class->write_xml_sax		= fn_write_sax;			\
 	so_class->prep_sax_parser	= fn_prep_sax_parser;		\
+	so_class->draw_cairo	        = &sheet_widget_draw_cairo;     \
 	sow_class->create_widget	= &sheet_widget_ ## n1 ## _create_widget; \
         { class_init_code; }						\
 }									\
@@ -444,7 +449,6 @@ cb_frame_config_cancel_clicked (GtkWidget *button, FrameConfigState *state)
 	gtk_widget_destroy (state->dialog);
 }
 
-
 static void
 cb_frame_label_changed (GtkWidget *entry, FrameConfigState *state)
 {
@@ -3258,6 +3262,46 @@ GSF_CLASS (SheetWidgetCombo, sheet_widget_combo,
 	   &sheet_widget_combo_class_init, NULL,
 	   SHEET_WIDGET_LIST_BASE_TYPE)
 
+
+/**************************************************************************/
+
+static void
+sheet_widget_draw_cairo (SheetObject const *so, cairo_t *cr,
+			 double width, double height)
+{
+	SheetObjectWidget *sow = SHEET_OBJECT_WIDGET (so);
+
+	if ((sow->so.realized_list->data != NULL)) {
+		SheetObjectView *view = sow->so.realized_list->data;
+		GocWidget *item = get_goc_widget (view);
+		GtkWidget *w = GTK_WIDGET (item->widget);
+		GdkPixmap *ss = gtk_widget_get_snapshot (w, NULL);
+		double hscale, vscale;
+		GtkAllocation allocation;
+
+		gtk_widget_get_allocation (w, &allocation);
+		hscale = width / (allocation.width - 1.);
+		vscale = height / (allocation.height - 1.);
+
+		cairo_save (cr);
+		cairo_scale (cr, hscale, vscale);
+		gdk_cairo_set_source_pixmap (cr, ss, -0.5, -0.5);
+                /* We probably need to scale the drawing slightly! */
+		cairo_new_path (cr);
+		cairo_move_to (cr, 0., 0.);
+		cairo_line_to (cr, width/hscale, 0.);
+		cairo_line_to (cr, width/hscale, height/vscale);
+		cairo_line_to (cr, 0., height/vscale);
+		cairo_line_to (cr, 0., 0.);
+		cairo_close_path (cr);
+		cairo_fill (cr);
+		cairo_restore (cr);
+		g_object_unref(G_OBJECT (ss));
+	}
+}
+
+
+
 /**************************************************************************/
 
 /**