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openflow/usr/include/cursesapp.h

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+// * This makes emacs happy -*-Mode: C++;-*-
+/****************************************************************************
+ * Copyright (c) 1998-2005,2011 Free Software Foundation, Inc.              *
+ *                                                                          *
+ * Permission is hereby granted, free of charge, to any person obtaining a  *
+ * copy of this software and associated documentation files (the            *
+ * "Software"), to deal in the Software without restriction, including      *
+ * without limitation the rights to use, copy, modify, merge, publish,      *
+ * distribute, distribute with modifications, sublicense, and/or sell       *
+ * copies of the Software, and to permit persons to whom the Software is    *
+ * furnished to do so, subject to the following conditions:                 *
+ *                                                                          *
+ * The above copyright notice and this permission notice shall be included  *
+ * in all copies or substantial portions of the Software.                   *
+ *                                                                          *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS  *
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF               *
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.   *
+ * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,   *
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR    *
+ * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR    *
+ * THE USE OR OTHER DEALINGS IN THE SOFTWARE.                               *
+ *                                                                          *
+ * Except as contained in this notice, the name(s) of the above copyright   *
+ * holders shall not be used in advertising or otherwise to promote the     *
+ * sale, use or other dealings in this Software without prior written       *
+ * authorization.                                                           *
+ ****************************************************************************/
+
+/****************************************************************************
+ *   Author: Juergen Pfeifer, 1997                                          *
+ ****************************************************************************/
+
+// $Id: cursesapp.h,v 1.12 2011/09/17 22:12:10 tom Exp $
+
+#ifndef NCURSES_CURSESAPP_H_incl
+#define NCURSES_CURSESAPP_H_incl
+
+#include <cursslk.h>
+
+class NCURSES_IMPEXP NCursesApplication {
+public:
+  typedef struct _slk_link {          // This structure is used to maintain
+    struct _slk_link* prev;           // a stack of SLKs
+    Soft_Label_Key_Set* SLKs;
+  } SLK_Link;
+private:
+  static int rinit(NCursesWindow& w); // Internal Init function for title
+  static NCursesApplication* theApp;  // Global ref. to the application
+
+  static SLK_Link* slk_stack;
+
+protected:
+  static NCursesWindow* titleWindow;  // The Title Window (if any)
+
+  bool b_Colors;                      // Is this a color application?
+  NCursesWindow* Root_Window;         // This is the stdscr equiv.
+
+  // Initialization of attributes;
+  // Rewrite this in your derived class if you prefer other settings
+  virtual void init(bool bColors);
+
+  // The number of lines for the title window. Default is no title window
+  // You may rewrite this in your derived class
+  virtual int titlesize() const {
+    return 0;
+  }
+
+  // This method is called to put something into the title window initially
+  // You may rewrite this in your derived class
+  virtual void title() {
+  }
+
+  // The layout used for the Soft Label Keys. Default is to have no SLKs.
+  // You may rewrite this in your derived class
+  virtual Soft_Label_Key_Set::Label_Layout useSLKs() const {
+    return Soft_Label_Key_Set::None;
+  }
+
+  // This method is called to initialize the SLKs. Default is nothing.
+  // You may rewrite this in your derived class
+  virtual void init_labels(Soft_Label_Key_Set& S) const {
+    (void) S;
+  }
+
+  // Your derived class must implement this method. The return value must
+  // be the exit value of your application.
+  virtual int run() = 0;
+
+  // The constructor is protected, so you may use it in your derived
+  // class constructor. The argument tells whether or not you want colors.
+  NCursesApplication(bool wantColors = FALSE);
+
+  NCursesApplication& operator=(const NCursesApplication& rhs)
+  {
+    if (this != &rhs) {
+      *this = rhs;
+    }
+    return *this;
+  }
+
+  NCursesApplication(const NCursesApplication& rhs)
+    : b_Colors(rhs.b_Colors),
+      Root_Window(rhs.Root_Window)
+  {
+  }
+
+public:
+  virtual ~NCursesApplication();
+
+  // Get a pointer to the current application object
+  static NCursesApplication* getApplication() {
+    return theApp;
+  }
+
+  // This method runs the application and returns its exit value
+  int operator()(void);
+
+  // Process the commandline arguments. The default implementation simply
+  // ignores them. Your derived class may rewrite this.
+  virtual void handleArgs(int argc, char* argv[]) {
+    (void) argc;
+    (void) argv;
+  }
+
+  // Does this application use colors?
+  inline bool useColors() const {
+    return b_Colors;
+  }
+
+  // Push the Key Set S onto the SLK Stack. S then becomes the current set
+  // of Soft Labelled Keys.
+  void push(Soft_Label_Key_Set& S);
+
+  // Throw away the current set of SLKs and make the previous one the
+  // new current set.
+  bool pop();
+
+  // Retrieve the current set of Soft Labelled Keys.
+  Soft_Label_Key_Set* top() const;
+
+  // Attributes to use for menu and forms foregrounds
+  virtual chtype foregrounds() const {
+    return b_Colors ? static_cast<chtype>(COLOR_PAIR(1)) : A_BOLD;
+  }
+
+  // Attributes to use for menu and forms backgrounds
+  virtual chtype backgrounds() const {
+    return b_Colors ? static_cast<chtype>(COLOR_PAIR(2)) : A_NORMAL;
+  }
+
+  // Attributes to use for inactive (menu) elements
+  virtual chtype inactives() const {
+    return b_Colors ? static_cast<chtype>(COLOR_PAIR(3)|A_DIM) : A_DIM;
+  }
+
+  // Attributes to use for (form) labels and SLKs
+  virtual chtype labels() const {
+    return b_Colors ? static_cast<chtype>(COLOR_PAIR(4)) : A_NORMAL;
+  }
+
+  // Attributes to use for form backgrounds
+  virtual chtype dialog_backgrounds() const {
+    return b_Colors ? static_cast<chtype>(COLOR_PAIR(4)) : A_NORMAL;
+  }
+
+  // Attributes to use as default for (form) window backgrounds
+  virtual chtype window_backgrounds() const {
+    return b_Colors ? static_cast<chtype>(COLOR_PAIR(5)) : A_NORMAL;
+  }
+
+  // Attributes to use for the title window
+  virtual chtype screen_titles() const {
+    return b_Colors ? static_cast<chtype>(COLOR_PAIR(6)) : A_BOLD;
+  }
+
+};
+ 
+#endif /* NCURSES_CURSESAPP_H_incl */