Improve mechanism and fix radio icon rendering.

scene/gui/check_box.cpp

@@ -31,9 +31,27 @@
 #include "servers/visual_server.h"
 #include "button_group.h"
 
-void CheckBox::_bind_methods()
-{
-    ObjectTypeDB::bind_method(_MD("set_pressed","pressed"),&CheckBox::toggled);
+
+void CheckBox::_notification(int p_what) {
+
+    if (p_what==NOTIFICATION_DRAW) {
+
+        RID ci = get_canvas_item();
+
+        Ref<Texture> on=Control::get_icon(is_radio() ? "radio_checked" : "checked");
+        Ref<Texture> off=Control::get_icon(is_radio() ? "radio_unchecked" : "unchecked");
+
+        Vector2 ofs;
+        ofs.x = 0;
+        ofs.y = int((get_size().height - on->get_height())/2);
+
+        if (is_pressed())
+            on->draw(ci,ofs);
+        else
+            off->draw(ci,ofs);
+
+
+    }
 }
 
 bool CheckBox::is_radio()
@@ -41,34 +59,19 @@ bool CheckBox::is_radio()
     Node* parent = this;
     do {
         parent = parent->get_parent();
-        if (dynamic_cast< ButtonGroup* >( parent))
+        if (dynamic_cast< ButtonGroup* >(parent))
             break;
     } while (parent != nullptr);
 
     return (parent != nullptr);
 }
 
-void CheckBox::update_icon(bool p_pressed)
-{
-    if (is_radio())
-        set_icon(Control::get_icon(p_pressed ? "radio_checked" : "radio_unchecked"));
-    else
-        set_icon(Control::get_icon(p_pressed ? "checked" : "unchecked"));
-}
-
-void CheckBox::toggled(bool p_pressed)
-{
-    update_icon();
-    BaseButton::toggled(p_pressed);
-}
-
-CheckBox::CheckBox()
+CheckBox::CheckBox(const String &p_text):
+    Button(p_text)
 {
     set_toggle_mode(true);
     set_text_align(ALIGN_LEFT);
 
-    update_icon(is_pressed());
-
 }
 
 CheckBox::~CheckBox()

scene/gui/check_box.h

@@ -40,17 +40,14 @@ class CheckBox : public Button {
 
 
 protected:
-    static void _bind_methods();
+    void _notification(int p_what);
 
     bool is_radio();
 
-    void update_icon(bool p_pressed);
-
 
 public:
-    void toggled(bool p_pressed);
 
-    CheckBox();
+    CheckBox(const String& p_text=String());
     ~CheckBox();
 
 };

scene/resources/default_theme/default_theme.cpp

@@ -303,9 +303,13 @@ void make_default_theme() {
     // CheckBox
 
     Ref<StyleBox> cbx_empty = memnew( StyleBoxEmpty );
+    cbx_empty->set_default_margin(MARGIN_LEFT,22);
+    cbx_empty->set_default_margin(MARGIN_RIGHT,4);
+    cbx_empty->set_default_margin(MARGIN_TOP,4);
+    cbx_empty->set_default_margin(MARGIN_BOTTOM,5);
     Ref<StyleBox> cbx_focus = focus;
     cbx_focus->set_default_margin(MARGIN_LEFT,4);
-    cbx_focus->set_default_margin(MARGIN_RIGHT,4);
+    cbx_focus->set_default_margin(MARGIN_RIGHT,22);
     cbx_focus->set_default_margin(MARGIN_TOP,4);
     cbx_focus->set_default_margin(MARGIN_BOTTOM,5);
 
@@ -570,7 +574,7 @@ void make_default_theme() {
 	// Tree
 
 	Ref<StyleBoxTexture> tree_selected = make_stylebox( selection_png,4,4,4,4,8,0,8,0);
-	Ref<StyleBoxTexture> tree_selected_oof = make_stylebox( selection_oof_png,4,4,4,4,8,0,8,0);
+    Ref<StyleBoxTexture> tree_selected_oof = make_stylebox( selection_oof_png,4,4,4,4,8,0,8,0);
 
 	t->set_stylebox("bg","Tree", make_stylebox( tree_bg_png,4,4,4,5) );
 	t->set_stylebox("bg_focus","Tree", focus );