Fix #477175, reported by Juri Pakaste.

2008-01-10  Kristian Rietveld  <kris@imendio.com>

	Fix #477175, reported by Juri Pakaste.

	* gtk/gtktreeprivate.h:
	* gtk/gtktreeview.c (gtk_tree_view_top_row_to_dy): do not set
	tree_view->priv->dy here directly, just calculate the new value
	and set it on the adjustment,
	(gtk_tree_view_adjustment_changed): add guards to not call
	gtk_tree_view_dy_to_top_row() if we are currently in
	gtk_tree_view_top_row_to_dy(),
	(gtk_tree_view_put): fix coordinate annotation: these are bin_window
	coordinates, not tree coordinates,
	(gtk_tree_view_real_start_editing): add cast.

	* gtk/tests/treeview-scrolling.c: add an assertion for checking the
	position of the editable in the "create new row and start editing"
	tests.


svn path=/trunk/; revision=19331

3 files changed, 58 insertions, 12 deletions

diff --git a/gtk/gtktreeprivate.h b/gtk/gtktreeprivate.h
index 9d49f394df..3d643f9e38 100644
--- a/gtk/gtktreeprivate.h
+++ b/gtk/gtktreeprivate.h
@@ -221,6 +221,8 @@ struct _GtkTreeViewPrivate
 
   guint init_hadjust_value : 1;
 
+  guint in_top_row_to_dy : 1;
+
   /* interactive search */
   guint enable_search : 1;
   guint disable_popdown : 1;
diff --git a/gtk/gtktreeview.c b/gtk/gtktreeview.c
index 720cd0f9dc..5ecb438610 100644
--- a/gtk/gtktreeview.c
+++ b/gtk/gtktreeview.c
@@ -6368,6 +6368,7 @@ gtk_tree_view_top_row_to_dy (GtkTreeView *tree_view)
   GtkTreePath *path;
   GtkRBTree *tree;
   GtkRBNode *node;
+  int new_dy;
 
   if (tree_view->priv->top_row)
     path = gtk_tree_row_reference_get_path (tree_view->priv->top_row);
@@ -6401,16 +6402,17 @@ gtk_tree_view_top_row_to_dy (GtkTreeView *tree_view)
       return;
     }
 
-  tree_view->priv->dy = _gtk_rbtree_node_find_offset (tree, node);
-  tree_view->priv->dy += tree_view->priv->top_row_dy;
+  new_dy = _gtk_rbtree_node_find_offset (tree, node);
+  new_dy += tree_view->priv->top_row_dy;
 
-  if (tree_view->priv->dy + tree_view->priv->vadjustment->page_size > tree_view->priv->height)
-    tree_view->priv->dy = tree_view->priv->height - tree_view->priv->vadjustment->page_size;
+  if (new_dy + tree_view->priv->vadjustment->page_size > tree_view->priv->height)
+    new_dy = tree_view->priv->height - tree_view->priv->vadjustment->page_size;
 
-  tree_view->priv->dy = MAX (0, tree_view->priv->dy);
+  new_dy = MAX (0, new_dy);
 
-  gtk_adjustment_set_value (tree_view->priv->vadjustment,
-			    (gdouble)tree_view->priv->dy);
+  tree_view->priv->in_top_row_to_dy = TRUE;
+  gtk_adjustment_set_value (tree_view->priv->vadjustment, (gdouble)new_dy);
+  tree_view->priv->in_top_row_to_dy = FALSE;
 }
 
 
@@ -8082,7 +8084,7 @@ gtk_tree_view_real_move_cursor (GtkTreeView       *tree_view,
 static void
 gtk_tree_view_put (GtkTreeView *tree_view,
 		   GtkWidget   *child_widget,
-		   /* in tree coordinates */
+		   /* in bin_window coordinates */
 		   gint         x,
 		   gint         y,
 		   gint         width,
@@ -10614,7 +10616,9 @@ gtk_tree_view_adjustment_changed (GtkAdjustment *adjustment,
         {
           /* update our dy and top_row */
           tree_view->priv->dy = (int) tree_view->priv->vadjustment->value;
-          gtk_tree_view_dy_to_top_row (tree_view);
+
+          if (!tree_view->priv->in_top_row_to_dy)
+            gtk_tree_view_dy_to_top_row (tree_view);
 	}
     }
 }
@@ -14793,8 +14797,7 @@ gtk_tree_view_real_start_editing (GtkTreeView       *tree_view,
   _gtk_tree_view_column_start_editing (column, GTK_CELL_EDITABLE (cell_editable));
 
   gtk_tree_view_real_set_cursor (tree_view, path, FALSE, TRUE);
-
-  cell_area->y += pre_val - tree_view->priv->vadjustment->value;
+  cell_area->y += pre_val - (int)tree_view->priv->vadjustment->value;
 
   gtk_widget_size_request (GTK_WIDGET (cell_editable), &requisition);
 
diff --git a/gtk/tests/treeview-scrolling.c b/gtk/tests/treeview-scrolling.c
index 90e6ab2341..5ee24c123b 100644
--- a/gtk/tests/treeview-scrolling.c
+++ b/gtk/tests/treeview-scrolling.c
@@ -669,12 +669,43 @@ create_new_row (GtkListStore *store,
 }
 
 static void
+scroll_new_row_editing_started (GtkCellRenderer *cell,
+				GtkCellEditable *editable,
+				const char      *path,
+				gpointer         user_data)
+{
+	GtkWidget **widget = user_data;
+
+	*widget = GTK_WIDGET (editable);
+}
+
+static void
+test_editable_position (GtkWidget   *tree_view,
+			GtkWidget   *editable,
+			GtkTreePath *cursor_path)
+{
+	GdkRectangle rect;
+	GtkAdjustment *vadj;
+
+	gtk_tree_view_get_background_area (GTK_TREE_VIEW (tree_view),
+					   cursor_path, NULL, &rect);
+
+	vadj = gtk_tree_view_get_vadjustment (GTK_TREE_VIEW (tree_view));
+
+	/* There are all in bin_window coordinates */
+	g_assert (editable->allocation.y == rect.y + ((rect.height - editable->allocation.height) / 2));
+}
+
+static void
 scroll_new_row (ScrollFixture *fixture,
 		gconstpointer  test_data)
 {
 	GtkTreeIter scroll_iter;
 	GtkTreePath *scroll_path;
 	GtkTreeModel *model;
+	GList *renderers;
+	GtkTreeViewColumn *column;
+	GtkWidget *editable;
 
 	/* The aim of this test is creating a new row at several places,
 	 * and immediately put the cursor on it.  TreeView should correctly
@@ -695,10 +726,19 @@ scroll_new_row (ScrollFixture *fixture,
 	create_new_row (GTK_LIST_STORE (model), GPOINTER_TO_INT (test_data),
 			&scroll_iter);
 
+	/* Set up a signal handler to acquire the editable widget */
+	column = gtk_tree_view_get_column (GTK_TREE_VIEW (fixture->tree_view), 0);
+	renderers = gtk_tree_view_column_get_cell_renderers (column);
+
+	g_signal_connect (G_OBJECT (renderers->data), "editing-started",
+			  G_CALLBACK (scroll_new_row_editing_started),
+			  &editable);
+
+	/* Now set the cursor on the path and start editing */
 	scroll_path = gtk_tree_model_get_path (model, &scroll_iter);
 	gtk_tree_view_set_cursor (GTK_TREE_VIEW (fixture->tree_view),
 				  scroll_path,
-				  gtk_tree_view_get_column (GTK_TREE_VIEW (fixture->tree_view), 0),
+				  column,
 				  TRUE);
 
 	while (gtk_events_pending ())
@@ -707,6 +747,7 @@ scroll_new_row (ScrollFixture *fixture,
 	/* Test position */
 	test_position (GTK_TREE_VIEW (fixture->tree_view), scroll_path,
 		       FALSE, 0.0, 0.0);
+	test_editable_position (fixture->tree_view, editable, scroll_path);
 
 	gtk_tree_path_free (scroll_path);
 }