X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fpanel.cpp;h=56aa2dcb5545003fd3feb2975be9fd451bc029ac;hb=90d5f5f2ebaeb8aaa4aa47a0c2207f96758cba8c;hp=fa16ec7de2826733d04a876f7ec445953bc76a8d;hpb=b4a3d651f57c46507aaa99a71a14fea15f0e430d;p=libs%2Fgltk.git

diff --git a/source/panel.cpp b/source/panel.cpp
index fa16ec7..56aa2dc 100644
--- a/source/panel.cpp
+++ b/source/panel.cpp
@@ -27,8 +27,7 @@ namespace GLtk {
 TypeRegistry<Panel::Loader::AddChildType, Panel::Loader &> Panel::widget_registry;
 bool Panel::widget_registry_init_done = false;
 
-Panel::Panel():
-	layout(0)
+Panel::Panel()
 {
 	input_type = INPUT_NAVIGATION;
 }
@@ -36,14 +35,18 @@ Panel::Panel():
 Panel::~Panel()
 {
 	delete layout;
-	layout = 0;
+	layout = nullptr;
 }
 
-void Panel::set_layout(Layout *l)
+Layout &Panel::get_or_create_layout()
 {
-	l->set_container(*this);
-	delete layout;
-	layout = l;
+	if(!layout)
+	{
+		layout = new Layout;
+		layout->set_container(*this);
+	}
+
+	return *layout;
 }
 
 void Panel::autosize_special(const Part &part, Geometry &ageom) const
@@ -56,7 +59,7 @@ void Panel::render_special(const Part &part, GL::Renderer &renderer) const
 {
 	if(part.get_name()=="children")
 	{
-		for(const Container::Child *c: children)
+		for(const Child *c: children)
 			if(c->widget->is_visible())
 				c->widget->render(renderer);
 	}
@@ -135,7 +138,7 @@ bool Panel::navigate(Navigation nav)
 
 Widget *Panel::find_next_child(int origin_x, int origin_y, int origin_dim, int nav_x, int nav_y) const
 {
-	Widget *sibling = 0;
+	Widget *sibling = nullptr;
 	int best_score = 0;
 	for(const Child *c: children)
 	{
@@ -211,7 +214,7 @@ void Panel::on_child_removed(Widget &wdg)
 Panel::Loader::Loader(Panel &p, map<string, Widget *> &m):
 	DataFile::DerivedObjectLoader<Panel, Widget::Loader>(p),
 	wdg_map(m),
-	last_widget(0)
+	last_widget(nullptr)
 {
 	if(!widget_registry_init_done)
 	{
@@ -243,14 +246,6 @@ Panel::Loader::Loader(Panel &p, map<string, Widget *> &m):
 	widget_registry.invoke_all(*this);
 }
 
-Layout &Panel::Loader::get_layout()
-{
-	if(!obj.layout)
-		obj.set_layout(new Layout);
-
-	return *obj.layout;
-}
-
 Widget &Panel::Loader::get_last_widget()
 {
 	if(!last_widget)
@@ -262,7 +257,7 @@ Widget &Panel::Loader::get_last_widget()
 template<typename T>
 void Panel::Loader::arrangement()
 {
-	T arr(get_layout());
+	T arr(obj.get_or_create_layout());
 	ArrangedLoader<T> ldr(*this, arr);
 	load_sub_with(ldr);
 }
@@ -271,34 +266,34 @@ void Panel::Loader::constraint(Layout::ConstraintType type, const string &n)
 {
 	Widget &src = get_last_widget();
 	Widget &tgt = *get_item(wdg_map, n);
-	get_layout().add_constraint(src, type, tgt);
+	obj.get_or_create_layout().add_constraint(src, type, tgt);
 }
 
 void Panel::Loader::expand(bool h, bool v)
 {
-	get_layout().set_expand(get_last_widget(), h, v);
+	obj.get_or_create_layout().set_expand(get_last_widget(), h, v);
 }
 
 void Panel::Loader::ghost(bool g)
 {
-	get_layout().set_ghost(get_last_widget(), g);
+	obj.get_or_create_layout().set_ghost(get_last_widget(), g);
 }
 
 void Panel::Loader::gravity(int h, int v)
 {
-	get_layout().set_gravity(get_last_widget(), h, v);
+	obj.get_or_create_layout().set_gravity(get_last_widget(), h, v);
 }
 
-void Panel::Loader::grid(unsigned cols)
+void Panel::Loader::grid(size_t cols)
 {
-	Grid grd(get_layout(), cols);
+	Grid grd(obj.get_or_create_layout(), cols);
 	ArrangedLoader<Grid> ldr(*this, grd);
 	load_sub_with(ldr);
 }
 
 void Panel::Loader::layout()
 {
-	Layout::Loader ldr(get_layout(), wdg_map);
+	Layout::Loader ldr(obj.get_or_create_layout(), wdg_map);
 	load_sub_with(ldr);
 }