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// * this is for making emacs happy: -*-Mode: C++;-*-
/****************************************************************************
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/****************************************************************************
* Author: Juergen Pfeifer, 1997 *
****************************************************************************/
// $Id: cursslk.h,v 1.13 2005/05/28 21:58:18 tom Exp $
#ifndef NCURSES_CURSSLK_H_incl
#define NCURSES_CURSSLK_H_incl
#include <cursesw.h>
class NCURSES_IMPEXP Soft_Label_Key_Set {
public:
// This inner class represents the attributes of a Soft Label Key (SLK)
class NCURSES_IMPEXP Soft_Label_Key {
friend class Soft_Label_Key_Set;
public:
typedef enum { Left=0, Center=1, Right=2 } Justification;
private:
char *label; // The Text of the Label
Justification format; // The Justification
int num; // The number of the Label
Soft_Label_Key() : label(NULL), format(Left), num(-1) {
}
virtual ~Soft_Label_Key() {
delete[] label;
};
public:
// Set the text of the Label
Soft_Label_Key& operator=(char *text);
// Set the Justification of the Label
Soft_Label_Key& operator=(Justification just) {
format = just;
return *this;
}
// Retrieve the text of the label
inline char* operator()(void) const {
return label;
}
Soft_Label_Key& operator=(const Soft_Label_Key& rhs)
{
if (this != &rhs) {
*this = rhs;
}
return *this;
}
Soft_Label_Key(const Soft_Label_Key& rhs)
: label(NULL),
format(rhs.format),
num(rhs.num)
{
*this = rhs.label;
}
};
public:
typedef enum {
None = -1,
Three_Two_Three = 0,
Four_Four = 1,
PC_Style = 2,
PC_Style_With_Index = 3
} Label_Layout;
private:
static long NCURSES_IMPEXP count; // Number of Key Sets
static Label_Layout NCURSES_IMPEXP format; // Layout of the Key Sets
static int NCURSES_IMPEXP num_labels; // Number Of Labels in Key Sets
bool NCURSES_IMPEXP b_attrInit; // Are attributes initialized
Soft_Label_Key *slk_array; // The array of SLK's
// Init the Key Set
void init();
// Activate or Deactivate Label# i, Label counting starts with 1!
void activate_label(int i, bool bf=TRUE);
// Activate of Deactivate all Labels
void activate_labels(bool bf);
protected:
inline void Error (const char* msg) const THROWS(NCursesException) {
THROW(new NCursesException (msg));
}
// Remove SLK's from screen
void clear() {
if (ERR==::slk_clear())
Error("slk_clear");
}
// Restore them
void restore() {
if (ERR==::slk_restore())
Error("slk_restore");
}
public:
// Construct a Key Set, use the most comfortable layout as default.
// You must create a Soft_Label_Key_Set before you create any object of
// the NCursesWindow, NCursesPanel or derived classes. (Actually before
// ::initscr() is called).
Soft_Label_Key_Set(Label_Layout fmt);
// This constructor assumes, that you already constructed a Key Set
// with a layout by the constructor above. This layout will be reused.
NCURSES_IMPEXP Soft_Label_Key_Set();
Soft_Label_Key_Set& operator=(const Soft_Label_Key_Set& rhs)
{
if (this != &rhs) {
*this = rhs;
init(); // allocate a new slk_array[]
}
return *this;
}
Soft_Label_Key_Set(const Soft_Label_Key_Set& rhs)
: b_attrInit(rhs.b_attrInit),
slk_array(NULL)
{
init(); // allocate a new slk_array[]
}
virtual ~Soft_Label_Key_Set();
// Get Label# i. Label counting starts with 1!
NCURSES_IMPEXP Soft_Label_Key& operator[](int i);
// Retrieve number of Labels
inline int labels() const { return num_labels; }
// Refresh the SLK portion of the screen
inline void refresh() {
if (ERR==::slk_refresh())
Error("slk_refresh");
}
// Mark the SLK portion of the screen for refresh, defer actual refresh
// until next update call.
inline void noutrefresh() {
if (ERR==::slk_noutrefresh())
Error("slk_noutrefresh");
}
// Mark the whole SLK portion of the screen as modified
inline void touch() {
if (ERR==::slk_touch())
Error("slk_touch");
}
// Activate Label# i
inline void show(int i) {
activate_label(i,FALSE);
activate_label(i,TRUE);
}
// Hide Label# i
inline void hide(int i) {
activate_label(i,FALSE);
}
// Show all Labels
inline void show() {
activate_labels(FALSE);
activate_labels(TRUE);
}
// Hide all Labels
inline void hide() {
activate_labels(FALSE);
}
inline void attron(attr_t attrs) {
if (ERR==::slk_attron(attrs))
Error("slk_attron");
}
inline void attroff(attr_t attrs) {
if (ERR==::slk_attroff(attrs))
Error("slk_attroff");
}
inline void attrset(attr_t attrs) {
if (ERR==::slk_attrset(attrs))
Error("slk_attrset");
}
inline void color(short color_pair_number) {
if (ERR==::slk_color(color_pair_number))
Error("slk_color");
}
inline attr_t attr() const {
return ::slk_attr();
}
};
#endif /* NCURSES_CURSSLK_H_incl */
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