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// * This makes emacs happy -*-Mode: C++;-*-

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/****************************************************************************

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* *

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* Permission is hereby granted, free of charge, to any person obtaining a *

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* copy of this software and associated documentation files (the *

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* "Software"), to deal in the Software without restriction, including *

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* without limitation the rights to use, copy, modify, merge, publish, *

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* distribute, distribute with modifications, sublicense, and/or sell *

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* copies of the Software, and to permit persons to whom the Software is *

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* furnished to do so, subject to the following conditions: *

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* *

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* The above copyright notice and this permission notice shall be included *

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* in all copies or substantial portions of the Software. *

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* *

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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *

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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *

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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *

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* IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, *

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* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR *

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* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR *

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* THE USE OR OTHER DEALINGS IN THE SOFTWARE. *

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* *

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* Except as contained in this notice, the name(s) of the above copyright *

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* holders shall not be used in advertising or otherwise to promote the *

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* sale, use or other dealings in this Software without prior written *

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* authorization. *

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****************************************************************************/

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/****************************************************************************

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* Author: Juergen Pfeifer, 1997 *

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****************************************************************************/

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// $Id: cursesapp.h,v 1.12 2011/09/17 22:12:10 tom Exp $

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#ifndef NCURSES_CURSESAPP_H_incl

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#define NCURSES_CURSESAPP_H_incl

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#include <cursslk.h>

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class NCURSES_IMPEXP NCursesApplication {

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public:

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typedef struct _slk_link { // This structure is used to maintain

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struct _slk_link* prev; // a stack of SLKs

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Soft_Label_Key_Set* SLKs;

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} SLK_Link;

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private:

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static int rinit(NCursesWindow& w); // Internal Init function for title

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static NCursesApplication* theApp; // Global ref. to the application

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static SLK_Link* slk_stack;

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protected:

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static NCursesWindow* titleWindow; // The Title Window (if any)

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bool b_Colors; // Is this a color application?

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NCursesWindow* Root_Window; // This is the stdscr equiv.

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// Initialization of attributes;

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// Rewrite this in your derived class if you prefer other settings

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virtual void init(bool bColors);

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// The number of lines for the title window. Default is no title window

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// You may rewrite this in your derived class

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virtual int titlesize() const {

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return 0;

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}

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// This method is called to put something into the title window initially

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// You may rewrite this in your derived class

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virtual void title() {

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}

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// The layout used for the Soft Label Keys. Default is to have no SLKs.

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// You may rewrite this in your derived class

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virtual Soft_Label_Key_Set::Label_Layout useSLKs() const {

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return Soft_Label_Key_Set::None;

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}

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// This method is called to initialize the SLKs. Default is nothing.

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// You may rewrite this in your derived class

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virtual void init_labels(Soft_Label_Key_Set& S) const {

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(void) S;

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}

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// Your derived class must implement this method. The return value must

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// be the exit value of your application.

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virtual int run() = 0;

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// The constructor is protected, so you may use it in your derived

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// class constructor. The argument tells whether or not you want colors.

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NCursesApplication(bool wantColors = FALSE);

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NCursesApplication& operator=(const NCursesApplication& rhs)

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{

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if (this != &rhs) {

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*this = rhs;

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}

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return *this;

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}

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NCursesApplication(const NCursesApplication& rhs)

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: b_Colors(rhs.b_Colors),

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Root_Window(rhs.Root_Window)

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{

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}

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public:

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virtual ~NCursesApplication();

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// Get a pointer to the current application object

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static NCursesApplication* getApplication() {

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return theApp;

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}

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// This method runs the application and returns its exit value

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int operator()(void);

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// Process the commandline arguments. The default implementation simply

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// ignores them. Your derived class may rewrite this.

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virtual void handleArgs(int argc, char* argv[]) {

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(void) argc;

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(void) argv;

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}

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// Does this application use colors?

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inline bool useColors() const {

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return b_Colors;

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}

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// Push the Key Set S onto the SLK Stack. S then becomes the current set

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// of Soft Labelled Keys.

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void push(Soft_Label_Key_Set& S);

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// Throw away the current set of SLKs and make the previous one the

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// new current set.

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bool pop();

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// Retrieve the current set of Soft Labelled Keys.

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Soft_Label_Key_Set* top() const;

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// Attributes to use for menu and forms foregrounds

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virtual chtype foregrounds() const {

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return b_Colors ? static_cast<chtype>(COLOR_PAIR(1)) : A_BOLD;

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}

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// Attributes to use for menu and forms backgrounds

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virtual chtype backgrounds() const {

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return b_Colors ? static_cast<chtype>(COLOR_PAIR(2)) : A_NORMAL;

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}

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// Attributes to use for inactive (menu) elements

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virtual chtype inactives() const {

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return b_Colors ? static_cast<chtype>(COLOR_PAIR(3)|A_DIM) : A_DIM;

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}

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// Attributes to use for (form) labels and SLKs

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virtual chtype labels() const {

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return b_Colors ? static_cast<chtype>(COLOR_PAIR(4)) : A_NORMAL;

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}

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// Attributes to use for form backgrounds

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virtual chtype dialog_backgrounds() const {

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return b_Colors ? static_cast<chtype>(COLOR_PAIR(4)) : A_NORMAL;

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}

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// Attributes to use as default for (form) window backgrounds

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virtual chtype window_backgrounds() const {

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return b_Colors ? static_cast<chtype>(COLOR_PAIR(5)) : A_NORMAL;

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}

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// Attributes to use for the title window

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virtual chtype screen_titles() const {

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return b_Colors ? static_cast<chtype>(COLOR_PAIR(6)) : A_BOLD;

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}

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};

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#endif /* NCURSES_CURSESAPP_H_incl */

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