Author: mordante
Date: Sun Feb 14 20:36:32 2010
New Revision: 41215
URL: http://svn.gna.org/viewcvs/wesnoth?rev=41215&view=rev
Log:
Add a layout function to a tree view.
This allows the content to request redraws and notify the parent
container that it should (re)layout the contents.
Modified:
trunk/src/gui/widgets/tree_view.cpp
trunk/src/gui/widgets/tree_view.hpp
Modified: trunk/src/gui/widgets/tree_view.cpp
URL:
http://svn.gna.org/viewcvs/wesnoth/trunk/src/gui/widgets/tree_view.cpp?rev=41215&r1=41214&r2=41215&view=diff
==============================================================================
--- trunk/src/gui/widgets/tree_view.cpp (original)
+++ trunk/src/gui/widgets/tree_view.cpp Sun Feb 14 20:36:32 2010
@@ -31,6 +31,7 @@
: tscrollbar_container(2)
, node_definitions_(node_definitions)
, indention_step_size_(0)
+ , need_layout_(false)
, root_node_(new ttree_view_node(
"root"
, node_definitions_
@@ -85,6 +86,8 @@
// Inherited.
tscrollbar_container::child_populate_dirty_list(caller, call_stack);
+ layout();
+
assert(root_node_);
root_node_->impl_populate_dirty_list(caller, call_stack);
}
@@ -92,6 +95,18 @@
bool ttree_view::empty() const
{
return root_node_->empty();
+}
+
+void ttree_view::layout()
+{
+ if(need_layout_) {
+ root_node_->set_size(indention_step_size_
+ , get_origin()
+ , root_node_->get_size().x);
+ root_node_->set_visible_area(content_visible_area_);
+
+ need_layout_ = false;
+ }
}
namespace {
Modified: trunk/src/gui/widgets/tree_view.hpp
URL:
http://svn.gna.org/viewcvs/wesnoth/trunk/src/gui/widgets/tree_view.hpp?rev=41215&r1=41214&r2=41215&view=diff
==============================================================================
--- trunk/src/gui/widgets/tree_view.hpp (original)
+++ trunk/src/gui/widgets/tree_view.hpp Sun Feb 14 20:36:32 2010
@@ -107,11 +107,16 @@
unsigned indention_step_size_;
+ bool need_layout_;
+
ttree_view_node* root_node_;
ttree_view_node* selected_item_;
boost::function<void ()> selection_change_callback_;
+
+ /** Layouts the children if needed. */
+ void layout();
/** Inherited from tcontainer_. */
virtual void finalize_setup();
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