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179 lines
6.6 KiB
C++
179 lines
6.6 KiB
C++
// * This makes emacs happy -*-Mode: C++;-*-
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/****************************************************************************
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* Copyright (c) 1998-2005,2011 Free Software Foundation, Inc. *
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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 <ncursesw/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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