added PGWaitBar

panda/src/pgui/Sources.pp

@@ -18,7 +18,8 @@
     pgFrameStyle.I pgFrameStyle.h \
     pgItem.I pgItem.h \
     pgMouseWatcherRegion.I pgMouseWatcherRegion.h \
-    pgTop.I pgTop.h
+    pgTop.I pgTop.h \
+    pgWaitBar.I pgWaitBar.h
      
 //  #define INCLUDED_SOURCES  \
   #define SOURCES $[SOURCES] \
@@ -30,7 +31,8 @@
     pgFrameStyle.cxx \
     pgItem.cxx \
     pgMouseWatcherRegion.cxx \
-    pgTop.cxx
+    pgTop.cxx \
+    pgWaitBar.cxx
 
   #define INSTALL_HEADERS \
     pgButton.I pgButton.h \
@@ -40,7 +42,8 @@
     pgFrameStyle.I pgFrameStyle.h \
     pgItem.I pgItem.h \
     pgMouseWatcherRegion.I pgMouseWatcherRegion.h \
-    pgTop.I pgTop.h
+    pgTop.I pgTop.h \
+    pgWaitBar.I pgWaitBar.h
     
 
   #define IGATESCAN all

panda/src/pgui/config_pgui.cxx

@@ -24,6 +24,7 @@
 #include "pgItem.h"
 #include "pgMouseWatcherRegion.h"
 #include "pgTop.h"
+#include "pgWaitBar.h"
 
 #include "dconfig.h"
 
@@ -38,4 +39,5 @@ ConfigureFn(config_pgui) {
   PGItem::init_type();
   PGMouseWatcherRegion::init_type();
   PGTop::init_type();
+  PGWaitBar::init_type();
 }

panda/src/pgui/pgEntry.I

@@ -214,17 +214,6 @@ get_accept_prefix() {
   return "accept-";
 }
 
-////////////////////////////////////////////////////////////////////
-//     Function: PGEntry::get_accept_event
-//       Access: Published
-//  Description: Returns the event name that will be thrown when the
-//               entry is accepted normally.
-////////////////////////////////////////////////////////////////////
-INLINE string PGEntry::
-get_accept_event(const ButtonHandle &button) const {
-  return "accept-" + button.get_name() + "-" + get_id();
-}
-
 ////////////////////////////////////////////////////////////////////
 //     Function: PGEntry::get_overflow_prefix
 //       Access: Published, Static
@@ -237,6 +226,17 @@ get_overflow_prefix() {
   return "overflow-";
 }
 
+////////////////////////////////////////////////////////////////////
+//     Function: PGEntry::get_accept_event
+//       Access: Published
+//  Description: Returns the event name that will be thrown when the
+//               entry is accepted normally.
+////////////////////////////////////////////////////////////////////
+INLINE string PGEntry::
+get_accept_event(const ButtonHandle &button) const {
+  return "accept-" + button.get_name() + "-" + get_id();
+}
+
 ////////////////////////////////////////////////////////////////////
 //     Function: PGEntry::get_overflow_event
 //       Access: Published

panda/src/pgui/pgEntry.cxx

@@ -98,6 +98,7 @@ PGEntry(const PGEntry &copy) :
 ////////////////////////////////////////////////////////////////////
 void PGEntry::
 operator = (const PGEntry &copy) {
+  PGItem::operator = (copy);
   _text = copy._text;
   _cursor_position = copy._cursor_position;
   _max_chars = copy._max_chars;

panda/src/pgui/pgEntry.h

@@ -88,8 +88,9 @@ PUBLISHED:
   virtual void set_focus(bool focus);
 
   INLINE static string get_accept_prefix();
-  INLINE string get_accept_event(const ButtonHandle &button) const;
   INLINE static string get_overflow_prefix();
+
+  INLINE string get_accept_event(const ButtonHandle &button) const;
   INLINE string get_overflow_event() const;
 
 private:

panda/src/pgui/pgItem.cxx

@@ -633,8 +633,8 @@ update_frame(int state) {
     if (old_arc != (NodeRelation *)NULL) {
       if (old_arc->is_attached()) {
         remove_arc(old_arc);
-        _state_defs[state]._frame_arc = (NodeRelation *)NULL;
       }
+      _state_defs[state]._frame_arc = (NodeRelation *)NULL;
     }
   }
 

panda/src/pgui/pgWaitBar.I

@@ -0,0 +1,94 @@
+// Filename: pgWaitBar.I
+// Created by:  drose (12Jul01)
+//
+////////////////////////////////////////////////////////////////////
+//
+// PANDA 3D SOFTWARE
+// Copyright (c) 2001, Disney Enterprises, Inc.  All rights reserved
+//
+// All use of this software is subject to the terms of the Panda 3d
+// Software license.  You should have received a copy of this license
+// along with this source code; you will also find a current copy of
+// the license at http://www.panda3d.org/license.txt .
+//
+// To contact the maintainers of this program write to
+// panda3d@yahoogroups.com .
+//
+////////////////////////////////////////////////////////////////////
+
+
+////////////////////////////////////////////////////////////////////
+//     Function: PGWaitBar::set_range
+//       Access: Published
+//  Description: Sets the value at which the WaitBar indicates 100%.
+////////////////////////////////////////////////////////////////////
+INLINE void PGWaitBar:: 
+set_range(float range) {
+  _range = range;
+  _bar_state = -1;
+}
+
+////////////////////////////////////////////////////////////////////
+//     Function: PGWaitBar::get_range
+//       Access: Published
+//  Description: Returns the value at which the WaitBar indicates 100%.
+////////////////////////////////////////////////////////////////////
+INLINE float PGWaitBar:: 
+get_range() const {
+  return _range;
+}
+
+////////////////////////////////////////////////////////////////////
+//     Function: PGWaitBar::set_value
+//       Access: Published
+//  Description: Sets the current value of the bar.  This should range
+//               between 0 and get_range().
+////////////////////////////////////////////////////////////////////
+INLINE void PGWaitBar:: 
+set_value(float value) {
+  _value = value;
+  _bar_state = -1;
+}
+
+////////////////////////////////////////////////////////////////////
+//     Function: PGWaitBar::get_value
+//       Access: Published
+//  Description: Returns the current value of the bar.
+////////////////////////////////////////////////////////////////////
+INLINE float PGWaitBar:: 
+get_value() const {
+  return _value;
+}
+
+////////////////////////////////////////////////////////////////////
+//     Function: PGWaitBar::get_percent
+//       Access: Published
+//  Description: Returns the percentage complete.
+////////////////////////////////////////////////////////////////////
+INLINE float PGWaitBar:: 
+get_percent() const {
+  return _value / _range * 100.0;
+}
+
+////////////////////////////////////////////////////////////////////
+//     Function: PGWaitBar::set_bar_style
+//       Access: Published
+//  Description: Sets the kind of frame that is drawn on top of the
+//               WaitBar to represent the amount completed.
+////////////////////////////////////////////////////////////////////
+INLINE void PGWaitBar:: 
+set_bar_style(const PGFrameStyle &style) {
+  _bar_style = style;
+  _bar_state = -1;
+}
+
+////////////////////////////////////////////////////////////////////
+//     Function: PGWaitBar::get_bar_style
+//       Access: Published
+//  Description: Returns the kind of frame that is drawn on top of the
+//               WaitBar to represent the amount completed.
+////////////////////////////////////////////////////////////////////
+INLINE PGFrameStyle PGWaitBar:: 
+get_bar_style() const {
+  return _bar_style;
+}

panda/src/pgui/pgWaitBar.cxx

@@ -0,0 +1,178 @@
+// Filename: pgWaitBar.cxx
+// Created by:  drose (12Jul01)
+//
+////////////////////////////////////////////////////////////////////
+//
+// PANDA 3D SOFTWARE
+// Copyright (c) 2001, Disney Enterprises, Inc.  All rights reserved
+//
+// All use of this software is subject to the terms of the Panda 3d
+// Software license.  You should have received a copy of this license
+// along with this source code; you will also find a current copy of
+// the license at http://www.panda3d.org/license.txt .
+//
+// To contact the maintainers of this program write to
+// panda3d@yahoogroups.com .
+//
+////////////////////////////////////////////////////////////////////
+
+#include "pgWaitBar.h"
+#include "pgMouseWatcherParameter.h"
+
+#include "throw_event.h"
+
+TypeHandle PGWaitBar::_type_handle;
+
+////////////////////////////////////////////////////////////////////
+//     Function: PGWaitBar::Constructor
+//       Access: Published
+//  Description: 
+////////////////////////////////////////////////////////////////////
+PGWaitBar::
+PGWaitBar(const string &name) : PGItem(name)
+{
+  _range = 100.0;
+  _value = 0.0;
+  _bar_state = -1;
+  _bar_arc = (NodeRelation *)NULL;
+}
+
+////////////////////////////////////////////////////////////////////
+//     Function: PGWaitBar::Destructor
+//       Access: Public, Virtual
+//  Description: 
+////////////////////////////////////////////////////////////////////
+PGWaitBar::
+~PGWaitBar() {
+}
+
+////////////////////////////////////////////////////////////////////
+//     Function: PGWaitBar::Copy Constructor
+//       Access: Public
+//  Description: 
+////////////////////////////////////////////////////////////////////
+PGWaitBar::
+PGWaitBar(const PGWaitBar &copy) :
+  PGItem(copy),
+  _range(copy._range),
+  _value(copy._value)
+{
+  _bar_state = -1;
+  _bar_arc = (NodeRelation *)NULL;
+}
+
+////////////////////////////////////////////////////////////////////
+//     Function: PGWaitBar::Copy Assignment Operator
+//       Access: Public
+//  Description: 
+////////////////////////////////////////////////////////////////////
+void PGWaitBar::
+operator = (const PGWaitBar &copy) {
+  PGItem::operator = (copy);
+  _range = copy._range;
+  _value = copy._value;
+
+  _bar_state = -1;
+}
+
+////////////////////////////////////////////////////////////////////
+//     Function: PGWaitBar::make_copy
+//       Access: Public, Virtual
+//  Description: Returns a newly-allocated Node that is a shallow copy
+//               of this one.  It will be a different Node pointer,
+//               but its internal data may or may not be shared with
+//               that of the original Node.
+////////////////////////////////////////////////////////////////////
+Node *PGWaitBar::
+make_copy() const {
+  return new PGWaitBar(*this);
+}
+
+////////////////////////////////////////////////////////////////////
+//     Function: PGWaitBar::draw_item
+//       Access: Public, Virtual
+//  Description: Called by the PGTop's traversal to draw this
+//               particular item.
+////////////////////////////////////////////////////////////////////
+void PGWaitBar::
+draw_item(PGTop *top, GraphicsStateGuardian *gsg, 
+          const AllAttributesWrapper &attrib) {
+  update();
+  PGItem::draw_item(top, gsg, attrib);
+}
+
+////////////////////////////////////////////////////////////////////
+//     Function: PGWaitBar::setup
+//       Access: Public
+//  Description: Creates a PGWaitBar with the indicated dimensions,
+//               with the indicated maximum range.
+////////////////////////////////////////////////////////////////////
+void PGWaitBar::
+setup(float width, float height, float range) {
+  set_state(0);
+  clear_state_def(0);
+
+  set_frame(-0.5 * width, 0.5 * width, -0.5 * height, 0.5 * height);
+
+  PGFrameStyle style;
+  style.set_width(0.05, 0.05);
+
+  style.set_color(0.6, 0.6, 0.6, 1.0);
+  style.set_type(PGFrameStyle::T_bevel_in);
+  set_frame_style(0, style);
+
+  style.set_color(0.8, 0.8, 0.8, 1.0);
+  style.set_type(PGFrameStyle::T_bevel_out);
+  set_bar_style(style);
+}
+
+////////////////////////////////////////////////////////////////////
+//     Function: PGWaitBar::update
+//       Access: Private
+//  Description: Computes the appropriate size of the bar frame
+//               according to the percentage completed.
+////////////////////////////////////////////////////////////////////
+void PGWaitBar:: 
+update() {
+  int state = get_state();
+
+  // If the bar was last drawn in this state and is still current, we
+  // don't have to draw it again.
+  if (_bar_state == state) {
+    return;
+  }
+
+  // Remove the old bar geometry, if any.
+  if (_bar_arc != (NodeRelation *)NULL) {
+    if (_bar_arc->is_attached()) {
+      remove_arc(_bar_arc);
+    }
+    _bar_arc = (NodeRelation *)NULL;
+  }
+
+  // Now create new bar geometry.
+  if (_value != 0.0 && _range != 0.0) {
+    Node *node = get_state_def(state);
+    nassertv(node != (Node *)NULL);
+
+    PGFrameStyle style = get_frame_style(state);
+    const LVecBase4f &frame = get_frame();
+    const LVecBase2f &width = style.get_width();
+
+    // Put the bar within the item's frame's border.
+    LVecBase4f bar_frame(frame[0] + width[0],
+                         frame[1] - width[0],
+                         frame[2] + width[1],
+                         frame[3] - width[1]);
+
+    // And scale the bar according to our value.
+    float frac = _value / _range;
+    frac = max(min(frac, 1.0f), 0.0f);
+    bar_frame[1] = bar_frame[0] + frac * (bar_frame[1] - bar_frame[0]);
+    
+    _bar_arc = _bar_style.generate_into(node, bar_frame);
+  }
+
+  // Indicate that the bar is current for this state.
+  _bar_state = state;
+}

panda/src/pgui/pgWaitBar.h

@@ -0,0 +1,89 @@
+// Filename: pgWaitBar.h
+// Created by:  drose (12Jul01)
+//
+////////////////////////////////////////////////////////////////////
+//
+// PANDA 3D SOFTWARE
+// Copyright (c) 2001, Disney Enterprises, Inc.  All rights reserved
+//
+// All use of this software is subject to the terms of the Panda 3d
+// Software license.  You should have received a copy of this license
+// along with this source code; you will also find a current copy of
+// the license at http://www.panda3d.org/license.txt .
+//
+// To contact the maintainers of this program write to
+// panda3d@yahoogroups.com .
+//
+////////////////////////////////////////////////////////////////////
+
+#ifndef PGWAITBAR_H
+#define PGWAITBAR_H
+
+#include "pandabase.h"
+
+#include "pgItem.h"
+
+////////////////////////////////////////////////////////////////////
+//       Class : PGWaitBar
+// Description : This is a particular kind of PGItem that draws a
+//               little bar that fills from left to right to indicate
+//               a slow process gradually completing, like a
+//               traditional "wait, loading" bar.
+////////////////////////////////////////////////////////////////////
+class EXPCL_PANDA PGWaitBar : public PGItem {
+PUBLISHED:
+  PGWaitBar(const string &name = "");
+  virtual ~PGWaitBar();
+
+public:
+  PGWaitBar(const PGWaitBar &copy);
+  void operator = (const PGWaitBar &copy);
+
+  virtual Node *make_copy() const;
+
+  virtual void draw_item(PGTop *top, GraphicsStateGuardian *gsg, 
+                         const AllAttributesWrapper &attrib);
+
+PUBLISHED:
+  void setup(float width, float height, float range);
+
+  INLINE void set_range(float range);
+  INLINE float get_range() const;
+
+  INLINE void set_value(float value);
+  INLINE float get_value() const;
+
+  INLINE float get_percent() const;
+
+  INLINE void set_bar_style(const PGFrameStyle &style);
+  INLINE PGFrameStyle get_bar_style() const;
+
+private:
+  void update();
+
+  float _range, _value;
+  int _bar_state;
+  PGFrameStyle _bar_style;
+  PT_NodeRelation _bar_arc;
+
+public:
+  static TypeHandle get_class_type() {
+    return _type_handle;
+  }
+  static void init_type() {
+    PGItem::init_type();
+    register_type(_type_handle, "PGWaitBar",
+                  PGItem::get_class_type());
+  }
+  virtual TypeHandle get_type() const {
+    return get_class_type();
+  }
+  virtual TypeHandle force_init_type() {init_type(); return get_class_type();}
+
+private:
+  static TypeHandle _type_handle;
+};
+
+#include "pgWaitBar.I"
+
+#endif