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treeview: Make sure the editing widget's top left is always visible

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https://bugzilla.gnome.org/show_bug.cgi?id=761838
This commit is contained in:
Colomban Wendling 2016-02-10 19:43:34 +01:00 committed by Matthias Clasen
parent 32804e098e
commit a47d9a7b65
1 changed files with 9 additions and 0 deletions
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9
gtk/gtktreeview.c
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@ -2978,6 +2978,7 @@ gtk_tree_view_size_allocate (GtkWidget *widget,
GtkTreeViewChild *child = tmp_list->data;
GtkTreePath *path;
GdkRectangle child_rect;
int min_x, max_x, min_y, max_y;
int size;
path = _gtk_tree_path_new_from_rbtree (child->tree, child->node);
@ -3003,6 +3004,14 @@ gtk_tree_view_size_allocate (GtkWidget *widget,
child_rect.height += size;
}
/* push the rect back in the visible area if needed, preferring the top left corner */
min_x = gtk_adjustment_get_value (tree_view->priv->hadjustment);
max_x = min_x + allocation->width - child_rect.width;
min_y = 0;
max_y = min_y + allocation->height - gtk_tree_view_get_effective_header_height (tree_view) - child_rect.height;
child_rect.x = MAX (min_x, MIN (child_rect.x, max_x));
child_rect.y = MAX (min_y, MIN (child_rect.y, max_y));
gtk_tree_path_free (path);
gtk_widget_size_allocate (child->widget, &child_rect);
}