adjust

panda/src/gui/guiBackground.I

@@ -5,3 +5,15 @@
 
 INLINE GuiBackground::GuiBackground(void) {
 }
+
+INLINE void GuiBackground::set_color(float r, float g, float b, float a) {
+  _bg->set_foreground_color(r, g, b, a);
+}
+
+INLINE void GuiBackground::set_color(const Colorf& c) {
+  _bg->set_foreground_color(c);
+}
+
+INLINE Colorf GuiBackground::get_color(void) const {
+  return _bg->get_foreground_color();
+}

panda/src/gui/guiBackground.cxx

@@ -38,7 +38,11 @@ void GuiBackground::manage(GuiManager* mgr, EventHandler& eh) {
   if (!_added_hooks)
     _added_hooks = true;
   if (_mgr == (GuiManager*)0L) {
-    _mgr->add_label(_bg);
+    _bg->freeze();
+    _bg->set_width(_item->get_width());
+    _bg->set_height(_item->get_height());
+    _bf->thaw();
+    mgr->add_label(_bg);
     _item->manage(mgr, eh);
     GuiItem::manage(mgr, eh);
   } else
@@ -55,10 +59,12 @@ void GuiBackground::unmanage(void) {
 }
 
 int GuiBackground::freeze(void) {
+  _bg->freeze();
   return _item->freeze();
 }
 
 int GuiBackground::thaw(void) {
+  _bg->thaw();
   return _item->thaw();
 }
 

panda/src/gui/guiBackground.h

@@ -32,6 +32,10 @@ PUBLISHED:
   virtual void set_priority(GuiLabel*, const Priority);
   virtual void set_priority(GuiItem*, const Priority);
 
+  INLINE void set_color(float, float, float, float);
+  INLINE void set_color(const Colorf&);
+  INLINE Colorf get_color(void) const;
+
   virtual void output(ostream&) const;
 
 public:

panda/src/testbed/gui_demo.cxx

@@ -49,6 +49,7 @@
 #include <guiSign.h>
 #include <guiListBox.h>
 #include <guiChooser.h>
+#include <guiBackground.h>
 
 //From framework
 extern PT(GeomNode) geomnode;
@@ -882,6 +883,79 @@ static void test15(GuiManager* mgr, Node* font) {
   ch1->start_behavior();
 }
 
+static void test16(GuiManager* mgr, Node* font) {
+  GuiLabel* nl1 = GuiLabel::make_simple_text_label("next", font);
+  GuiLabel* nl2 = GuiLabel::make_simple_text_label("next", font);
+  GuiLabel* nl3 = GuiLabel::make_simple_text_label("next", font);
+  GuiButton* nb = new GuiButton("next_button", nl1, nl2, nl3);
+  nb->set_scale(0.1);
+  nb->set_pos(LVector3f::rfu(0.25, 0., -0.25));
+  GuiLabel* pl1 = GuiLabel::make_simple_text_label("prev", font);
+  GuiLabel* pl2 = GuiLabel::make_simple_text_label("prev", font);
+  GuiLabel* pl3 = GuiLabel::make_simple_text_label("prev", font);
+  GuiButton* pb = new GuiButton("prev_button", pl1, pl2, pl3);
+  pb->set_scale(0.1);
+  pb->set_pos(LVector3f::rfu(-0.25, 0., -0.25));
+  nb->set_behavior_event("demo-event-thing");
+  pb->set_behavior_event("demo-event-thing");
+  ch1 = new GuiChooser("chooser", pb, nb);
+  GuiLabel* l1 = GuiLabel::make_simple_text_label("hyena", font);
+  GuiSign* s1 = new GuiSign("hyena", l1);
+  s1->set_scale(0.1);
+  GuiLabel* l2 = GuiLabel::make_simple_text_label("dingo", font);
+  GuiSign* s2 = new GuiSign("dingo", l2);
+  s2->set_scale(0.1);
+  GuiLabel* l3 = GuiLabel::make_simple_text_label("jackal", font);
+  GuiSign* s3 = new GuiSign("jackal", l3);
+  s3->set_scale(0.1);
+  GuiLabel* l4 = GuiLabel::make_simple_text_label("wolf", font);
+  GuiSign* s4 = new GuiSign("wolf", l4);
+  s4->set_scale(0.1);
+  GuiLabel* l5 = GuiLabel::make_simple_text_label("fox", font);
+  GuiSign* s5 = new GuiSign("fox", l5);
+  s5->set_scale(0.1);
+  float w, w1, w2;
+  w1 = l1->get_width();
+  w2 = l2->get_width();
+  w = (w1>w2)?w1:w2;
+  w2 = l3->get_width();
+  w = (w>w2)?w:w2;
+  w2 = l4->get_width();
+  w = (w>w2)?w:w2;
+  w2 = l5->get_width();
+  w = (w>w2)?w:w2;
+  l1->set_width(w);
+  l2->set_width(w);
+  l3->set_width(w);
+  l4->set_width(w);
+  l5->set_width(w);
+  nl1->set_background_color(0., 0., 0., 1.);
+  nl2->set_background_color(0., 0., 0., 1.);
+  nl3->set_background_color(0., 0., 0., 1.);
+  nl2->set_foreground_color(1., 0., 0., 1.);
+  nl3->set_foreground_color(1., 1., 1., 0.5);
+  pl1->set_background_color(0., 0., 0., 1.);
+  pl2->set_background_color(0., 0., 0., 1.);
+  pl3->set_background_color(0., 0., 0., 1.);
+  pl2->set_foreground_color(1., 0., 0., 1.);
+  pl3->set_foreground_color(1., 1., 1., 0.5);
+  l1->set_background_color(0., 0., 0., 1.);
+  l2->set_background_color(0., 0., 0., 1.);
+  l3->set_background_color(0., 0., 0., 1.);
+  l4->set_background_color(0., 0., 0., 1.);
+  l5->set_background_color(0., 0., 0., 1.);
+  ch1->add_item(s1);
+  ch1->add_item(s2);
+  ch1->add_item(s3);
+  ch1->add_item(s4);
+  ch1->add_item(s5);
+  GuiBackground *bg = new GuiBackground("bg", ch1);
+  bg->set_color(1., 0., 1., 1.);
+  bg->thaw();
+  bg->manage(mgr, event_handler);
+  ch1->start_behavior();
+}
+
 static void setup_gui(void) {
   GuiManager* mgr = GuiManager::get_ptr(main_win, mak, (Node*)0L);
   PT_Node font = ModelPool::load_model("ttf-comic");
@@ -917,7 +991,9 @@ static void setup_gui(void) {
   // test 14
   //  test14(mgr, font);
   // test 15
-  test15(mgr, font);
+  //  test15(mgr, font);
+  // test 16
+  test16(mgr, font);
 }
 
 static void event_2(CPT_Event) {
@@ -1005,7 +1081,7 @@ static void event_3(CPT_Event) {
 }
 */
 
-// for test 14-15
+// for test 14-16
 static void event_3(CPT_Event) {
   ch1->move_prev();
 }
@@ -1018,7 +1094,7 @@ static void event_4(CPT_Event) {
 }
 */
 
-// for test 14-15
+// for test 14-16
 static void event_4(CPT_Event) {
   ch1->move_next();
 }
@@ -1032,9 +1108,9 @@ void gui_keys(EventHandler&) {
   have_dlight = true;
 
   event_handler.add_hook("2", event_2);
-  // for tests 7-11, 13-15
+  // for tests 7-11, 13-16
   event_handler.add_hook("3", event_3);
-  // for test 11, 13-15
+  // for test 11, 13-16
   event_handler.add_hook("4", event_4);
   event_handler.add_hook("demo-event-thing", event_demo);
 }