Include a stripped-down version of FLTK in tree and add a USE_INCLUDED_FLTK option to build against it.


git-svn-id: svn://svn.code.sf.net/p/tigervnc/code/trunk@4603 3789f03b-4d11-0410-bbf8-ca57d06f2519
diff --git a/common/fltk/FL/Fl_Input_Choice.H b/common/fltk/FL/Fl_Input_Choice.H
new file mode 100644
index 0000000..843e749
--- /dev/null
+++ b/common/fltk/FL/Fl_Input_Choice.H
@@ -0,0 +1,222 @@
+//
+// "$Id: Fl_Input_Choice.H 8022 2010-12-12 23:21:03Z AlbrechtS $"
+//
+// An input/chooser widget.
+//            ______________  ____
+//           |              || __ |
+//           | input area   || \/ |
+//           |______________||____|
+//
+// Copyright 1998-2010 by Bill Spitzak and others.
+// Copyright 2004 by Greg Ercolano.
+//
+// This library is free software; you can redistribute it and/or
+// modify it under the terms of the GNU Library General Public
+// License as published by the Free Software Foundation; either
+// version 2 of the License, or (at your option) any later version.
+//
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+// Library General Public License for more details.
+//
+// You should have received a copy of the GNU Library General Public
+// License along with this library; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
+// USA.
+//
+// Please report all bugs and problems on the following page:
+//
+//     http://www.fltk.org/str.php
+//
+
+/* \file
+   Fl_Input_Choice widget . */
+
+
+
+#ifndef Fl_Input_Choice_H
+#define Fl_Input_Choice_H
+
+#include <FL/Fl.H>
+#include <FL/Fl_Group.H>
+#include <FL/Fl_Input.H>
+#include <FL/Fl_Menu_Button.H>
+#include <FL/fl_draw.H>
+#include <string.h>
+
+/**
+  A combination of the input widget and a menu button.
+  The user can either type into the input area, or use the
+  menu button chooser on the right, which loads the input area
+  with predefined text.  Normally it is drawn with an inset box 
+  and a white background. 
+  <P>
+  The application can directly access both the input and menu
+  widgets directly, using the menubutton()
+  and input() accessor methods.
+*/
+class FL_EXPORT Fl_Input_Choice : public Fl_Group {
+  // Private class to handle slightly 'special' behavior of menu button
+  class InputMenuButton : public Fl_Menu_Button {
+    void draw() {
+      draw_box(FL_UP_BOX, color());
+      fl_color(active_r() ? labelcolor() : fl_inactive(labelcolor()));
+      int xc = x()+w()/2, yc=y()+h()/2;
+      fl_polygon(xc-5,yc-3,xc+5,yc-3,xc,yc+3);
+      if (Fl::focus() == this) draw_focus();
+    }
+  public:
+    InputMenuButton(int x,int y,int w,int h,const char*l=0) : 
+	Fl_Menu_Button(x,y,w,h,l) { box(FL_UP_BOX); }
+  };
+
+  Fl_Input *inp_;
+  InputMenuButton *menu_;
+
+  static void menu_cb(Fl_Widget*, void *data) { 
+    Fl_Input_Choice *o=(Fl_Input_Choice *)data;
+    Fl_Widget_Tracker wp(o);
+    const Fl_Menu_Item *item = o->menubutton()->mvalue();
+    if (item && item->flags & (FL_SUBMENU|FL_SUBMENU_POINTER)) return;	// ignore submenus
+    if (!strcmp(o->inp_->value(), o->menu_->text()))
+    {
+      o->Fl_Widget::clear_changed();
+      if (o->when() & FL_WHEN_NOT_CHANGED)
+	o->do_callback();
+    }
+    else
+    {
+      o->inp_->value(o->menu_->text());
+      o->inp_->set_changed();
+      o->Fl_Widget::set_changed();
+      if (o->when() & (FL_WHEN_CHANGED|FL_WHEN_RELEASE))
+	o->do_callback();
+    }
+    
+    if (wp.deleted()) return;
+
+    if (o->callback() != default_callback)
+    {
+      o->Fl_Widget::clear_changed();
+      o->inp_->clear_changed();
+    }
+  }
+
+  static void inp_cb(Fl_Widget*, void *data) { 
+    Fl_Input_Choice *o=(Fl_Input_Choice *)data;
+    Fl_Widget_Tracker wp(o);
+    if (o->inp_->changed()) {
+      o->Fl_Widget::set_changed();
+      if (o->when() & (FL_WHEN_CHANGED|FL_WHEN_RELEASE))
+	o->do_callback();
+    } else {
+      o->Fl_Widget::clear_changed();
+      if (o->when() & FL_WHEN_NOT_CHANGED)
+	o->do_callback();
+    }
+    
+    if (wp.deleted()) return;
+
+    if (o->callback() != default_callback)
+      o->Fl_Widget::clear_changed();
+  }
+
+  // Custom resize behavior -- input stretches, menu button doesn't
+  inline int inp_x() { return(x() + Fl::box_dx(box())); }
+  inline int inp_y() { return(y() + Fl::box_dy(box())); }
+  inline int inp_w() { return(w() - Fl::box_dw(box()) - 20); }
+  inline int inp_h() { return(h() - Fl::box_dh(box())); }
+
+  inline int menu_x() { return(x() + w() - 20 - Fl::box_dx(box())); }
+  inline int menu_y() { return(y() + Fl::box_dy(box())); }
+  inline int menu_w() { return(20); }
+  inline int menu_h() { return(h() - Fl::box_dh(box())); }
+
+public:
+  /**
+    Creates a new Fl_Input_Choice widget using the given position, size,
+    and label string.
+  <P> Inherited destructor Destroys the widget and any value associated with it.
+  */
+  Fl_Input_Choice (int x,int y,int w,int h,const char*l=0) : Fl_Group(x,y,w,h,l) {
+    Fl_Group::box(FL_DOWN_BOX);
+    align(FL_ALIGN_LEFT);				// default like Fl_Input
+    inp_ = new Fl_Input(inp_x(), inp_y(),
+			inp_w(), inp_h());
+    inp_->callback(inp_cb, (void*)this);
+    inp_->box(FL_FLAT_BOX);		// cosmetic
+    inp_->when(FL_WHEN_CHANGED|FL_WHEN_NOT_CHANGED);
+    menu_ = new InputMenuButton(menu_x(), menu_y(),
+				menu_w(), menu_h());
+    menu_->callback(menu_cb, (void*)this);
+    menu_->box(FL_FLAT_BOX);				// cosmetic
+    end();
+  }
+  
+  /** Adds an item to the menu.*/
+  void add(const char *s) { menu_->add(s);  }
+  int changed() const { return inp_->changed() | Fl_Widget::changed();}
+  void clear_changed() { 
+    inp_->clear_changed();
+    Fl_Widget::clear_changed();
+  }
+  void set_changed() { 
+    inp_->set_changed();
+    // no need to call Fl_Widget::set_changed()
+  }
+  /** Removes all items from the menu. */
+  void clear() { menu_->clear(); }
+  /** Gets the box type of the menu button */
+  Fl_Boxtype down_box() const { return (menu_->down_box()); }
+  /** Sets the box type of the menu button */
+  void down_box(Fl_Boxtype b) { menu_->down_box(b); }
+  /** Gets the Fl_Menu_Item array used for the menu. */
+  const Fl_Menu_Item *menu() { return (menu_->menu()); }
+  /** Sets the Fl_Menu_Item array used for the menu. */
+  void menu(const Fl_Menu_Item *m) { menu_->menu(m); }
+  void resize(int X, int Y, int W, int H) {
+    Fl_Group::resize(X,Y,W,H);
+    inp_->resize(inp_x(), inp_y(), inp_w(), inp_h());
+    menu_->resize(menu_x(), menu_y(), menu_w(), menu_h());
+  }
+  /** Gets the encapsulated input text color attributes */
+  Fl_Color textcolor() const { return (inp_->textcolor());}
+  /** Sets the encapsulated input text color attributes */
+  void textcolor(Fl_Color c) { inp_->textcolor(c);}
+  /** Gets the encapsulated input text font  attributes */
+  Fl_Font textfont() const { return (inp_->textfont());}
+  /** Sets the encapsulated input text font attributes */
+  void textfont(Fl_Font f) { inp_->textfont(f);}
+  /** Gets the encapsulated input size attributes */
+  Fl_Fontsize textsize() const { return (inp_->textsize()); }
+  /** Sets the encapsulated input size attributes */
+  void textsize(Fl_Fontsize s) { inp_->textsize(s); }
+  /** See void Fl_Input_Choice::value(const char *s)  */
+  const char* value() const { return (inp_->value()); }
+  /**
+    Sets or returns the input widget's current contents. The
+    second form sets the contents using the index into the menu
+    which you can set as an integer.  Setting the value effectively
+    'chooses' this menu item, and sets it as the new input text,
+    deleting the previous text.
+  */
+  void value(const char *val) { inp_->value(val); }
+  /**    See void Fl_Input_Choice::value(const char *s)  */
+  void value(int val) {
+    menu_->value(val);
+    inp_->value(menu_->text(val));
+  }
+  /**    Returns a reference to the internal Fl_Menu_Button widget.  */
+  Fl_Menu_Button *menubutton() { return menu_; }
+  /**
+    Returns a reference to the internal Fl_Input widget.</p>
+  */
+  Fl_Input *input() { return inp_; }
+};
+
+#endif // !Fl_Input_Choice_H
+
+//
+// End of "$Id: Fl_Input_Choice.H 8022 2010-12-12 23:21:03Z AlbrechtS $".
+//