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