/***********************************************************************
* foptiattr.h - Sets video attributes in optimized order *
* *
* This file is part of the Final Cut widget toolkit *
* *
* Copyright 2016-2018 Markus Gans *
* *
* The Final Cut is free software; you can redistribute it and/or *
* modify it under the terms of the GNU Lesser General Public License *
* as published by the Free Software Foundation; either version 3 of *
* the License, or (at your option) any later version. *
* *
* The Final Cut is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU Lesser General Public License for more details. *
* *
* You should have received a copy of the GNU Lesser General Public *
* License along with this program. If not, see *
* . *
***********************************************************************/
/* Standalone class
* ════════════════
*
* ▕▔▔▔▔▔▔▔▔▔▔▔▏
* ▕ FOptiAttr ▏
* ▕▁▁▁▁▁▁▁▁▁▁▁▏
*/
#ifndef FOPTIATTR_H
#define FOPTIATTR_H
#if !defined (USE_FINAL_H) && !defined (COMPILE_FINAL_CUT)
#error "Only can be included directly."
#endif
// Typecast to c-string
#define C_STR const_cast
#include
#if defined(__sun) && defined(__SVR4)
#include
typedef struct termio SGTTY;
typedef struct termios SGTTYS;
#ifdef _LP64
typedef unsigned int chtype;
#else
typedef unsigned long chtype;
#endif
#include // need for tparm
#else
#include // need for tparm
#endif
#include // need for std::swap
#include "final/fc.h"
#include "final/ftypes.h"
//----------------------------------------------------------------------
// class FOptiAttr
//----------------------------------------------------------------------
#pragma pack(push)
#pragma pack(1)
class FOptiAttr
{
public:
// Typedef
typedef struct
{
int code; // character code
short fg_color; // foreground color
short bg_color; // background color
union attribute
{
struct
{
// Attribute byte #0
uInt8 bold : 1; // bold
uInt8 dim : 1; // dim
uInt8 italic : 1; // italic
uInt8 underline : 1; // underline
uInt8 blink : 1; // blink
uInt8 reverse : 1; // reverse
uInt8 standout : 1; // standout
uInt8 invisible : 1; // invisible
// Attribute byte #1
uInt8 protect : 1; // protect mode
uInt8 crossed_out : 1; // crossed out
uInt8 dbl_underline : 1; // double underline
uInt8 alt_charset : 1; // alternate character set (vt100)
uInt8 pc_charset : 1; // pc character set (CP437)
uInt8 transparent : 1; // transparent
uInt8 trans_shadow : 1; // transparent shadow
uInt8 inherit_bg : 1; // inherit background
// Attribute byte #2
uInt8 no_changes : 1; // no changes required
uInt8 printed : 1; // is printed to VTerm
uInt8 : 6; // padding bits
} bit;
uInt8 byte[3];
} attr;
} char_data;
// Constructor
explicit FOptiAttr();
// Destructor
~FOptiAttr();
// Friend operator functions
friend bool operator == (const char_data&, const char_data&);
friend bool operator != (const char_data&, const char_data&);
// Accessors
const char* getClassName() const;
// Mutators
void setMaxColor (const int&);
void setNoColorVideo (int);
void setDefaultColorSupport();
void unsetDefaultColorSupport();
void set_enter_bold_mode (char[]);
void set_exit_bold_mode (char[]);
void set_enter_dim_mode (char[]);
void set_exit_dim_mode (char[]);
void set_enter_italics_mode (char[]);
void set_exit_italics_mode (char[]);
void set_enter_underline_mode (char[]);
void set_exit_underline_mode (char[]);
void set_enter_blink_mode (char[]);
void set_exit_blink_mode (char[]);
void set_enter_reverse_mode (char[]);
void set_exit_reverse_mode (char[]);
void set_enter_secure_mode (char[]);
void set_exit_secure_mode (char[]);
void set_enter_protected_mode (char[]);
void set_exit_protected_mode (char[]);
void set_enter_crossed_out_mode (char[]);
void set_exit_crossed_out_mode (char[]);
void set_enter_dbl_underline_mode (char[]);
void set_exit_dbl_underline_mode (char[]);
void set_enter_standout_mode (char[]);
void set_exit_standout_mode (char[]);
void set_set_attributes (char[]);
void set_exit_attribute_mode (char[]);
void set_enter_alt_charset_mode (char[]);
void set_exit_alt_charset_mode (char[]);
void set_enter_pc_charset_mode (char[]);
void set_exit_pc_charset_mode (char[]);
void set_a_foreground_color (char[]);
void set_a_background_color (char[]);
void set_foreground_color (char[]);
void set_background_color (char[]);
void set_term_color_pair (char[]);
void set_orig_pair (char[]);
void set_orig_orig_colors (char[]);
// Inquiry
static bool isNormal (char_data*&);
// Methods
void initialize();
static short vga2ansi (register short);
char* changeAttribute (char_data*&, char_data*&);
private:
// Typedefs and Enumerations
typedef unsigned char uChar;
typedef struct
{
char* cap;
bool caused_reset;
} capability;
enum init_reset_tests
{
no_test = 0x00,
test_ansi_reset = 0x01, // ANSI X3.64 terminal
test_adm3_reset = 0x02, // Lear Siegler ADM-3 terminal
same_like_ue = 0x04,
same_like_se = 0x08,
same_like_me = 0x10,
all_tests = 0x1f
};
enum attr_modes
{
standout_mode = 1,
underline_mode = 2,
reverse_mode = 4,
blink_mode = 8,
dim_mode = 16,
bold_mode = 32,
invisible_mode = 64,
protected_mode = 128,
alt_charset_mode = 256,
horizontal_mode = 512,
left_mode = 1024,
low_mode = 2048,
right_mode = 4096,
top_mode = 8192,
vertical_mode = 16384,
italic_mode = 32768,
no_mode = 65536
};
// Disable copy constructor
FOptiAttr (const FOptiAttr&);
// Disable assignment operator (=)
FOptiAttr& operator = (const FOptiAttr&);
// Mutators
bool setTermBold (char_data*&);
bool unsetTermBold (char_data*&);
bool setTermDim (char_data*&);
bool unsetTermDim (char_data*&);
bool setTermItalic (char_data*&);
bool unsetTermItalic (char_data*&);
bool setTermUnderline (char_data*&);
bool unsetTermUnderline (char_data*&);
bool setTermBlink (char_data*&);
bool unsetTermBlink (char_data*&);
bool setTermReverse (char_data*&);
bool unsetTermReverse (char_data*&);
bool setTermStandout (char_data*&);
bool unsetTermStandout (char_data*&);
bool setTermInvisible (char_data*&);
bool unsetTermInvisible (char_data*&);
bool setTermProtected (char_data*&);
bool unsetTermProtected (char_data*&);
bool setTermCrossedOut (char_data*&);
bool unsetTermCrossedOut (char_data*&);
bool setTermDoubleUnderline (char_data*&);
bool unsetTermDoubleUnderline (char_data*&);
bool setTermAttributes ( char_data*&
, bool, bool, bool
, bool, bool, bool
, bool, bool, bool );
bool unsetTermAttributes (char_data*&);
bool setTermAltCharset (char_data*&);
bool unsetTermAltCharset (char_data*&);
bool setTermPCcharset (char_data*&);
bool unsetTermPCcharset (char_data*&);
bool setTermDefaultColor (char_data*&);
void setAttributesOn (char_data*&);
void setAttributesOff (char_data*&);
// Inquiries
static bool hasColor (char_data*&);
static bool hasAttribute (char_data*&);
static bool hasNoAttribute (char_data*&);
// Methods
bool colorChange (char_data*&, char_data*&);
void resetColor (char_data*&);
void prevent_no_color_video_attributes (char_data*&, bool = false);
void deactivateAttributes (char_data*&, char_data*&);
void changeAttributeSGR (char_data*&, char_data*&);
void changeAttributeSeparately (char_data*&, char_data*&);
void change_color (char_data*&, char_data*&);
void change_to_default_color (char_data*&, char_data*&, short&, short&);
void change_current_color (char_data*&, short, short);
void resetAttribute (char_data*&);
void reset (char_data*&);
bool caused_reset_attributes (char[], uChar = all_tests);
bool hasCharsetEquivalence();
void detectSwitchOn (char_data*&, char_data*&);
void detectSwitchOff (char_data*&, char_data*&);
bool switchOn();
bool switchOff();
bool append_sequence (char[]);
// Data Members
capability F_enter_bold_mode;
capability F_exit_bold_mode;
capability F_enter_dim_mode;
capability F_exit_dim_mode;
capability F_enter_italics_mode;
capability F_exit_italics_mode;
capability F_enter_underline_mode;
capability F_exit_underline_mode;
capability F_enter_blink_mode;
capability F_exit_blink_mode;
capability F_enter_reverse_mode;
capability F_exit_reverse_mode;
capability F_enter_standout_mode;
capability F_exit_standout_mode;
capability F_enter_secure_mode;
capability F_exit_secure_mode;
capability F_enter_protected_mode;
capability F_exit_protected_mode;
capability F_enter_crossed_out_mode;
capability F_exit_crossed_out_mode;
capability F_enter_dbl_underline_mode;
capability F_exit_dbl_underline_mode;
capability F_set_attributes;
capability F_exit_attribute_mode;
capability F_enter_alt_charset_mode;
capability F_exit_alt_charset_mode;
capability F_enter_pc_charset_mode;
capability F_exit_pc_charset_mode;
capability F_set_a_foreground;
capability F_set_a_background;
capability F_set_foreground;
capability F_set_background;
capability F_set_color_pair;
capability F_orig_pair;
capability F_orig_colors;
char_data on;
char_data off;
char_data reset_byte_mask;
int max_color;
int attr_without_color;
bool ansi_default_color;
bool alt_equal_pc_charset;
bool monochron;
bool fake_reverse;
char attr_buf[8192];
char* attr_ptr;
};
#pragma pack(pop)
// FOptiAttr inline functions
//----------------------------------------------------------------------
inline bool operator == ( const FOptiAttr::char_data& lhs,
const FOptiAttr::char_data& rhs )
{
return lhs.code == rhs.code
&& lhs.fg_color == rhs.fg_color
&& lhs.bg_color == rhs.bg_color
&& lhs.attr.byte[0] == rhs.attr.byte[0]
&& lhs.attr.byte[1] == rhs.attr.byte[1];
}
//----------------------------------------------------------------------
inline bool operator != ( const FOptiAttr::char_data& lhs,
const FOptiAttr::char_data& rhs )
{ return ! ( lhs == rhs ); }
//----------------------------------------------------------------------
inline const char* FOptiAttr::getClassName() const
{ return "FOptiAttr"; }
//----------------------------------------------------------------------
inline void FOptiAttr::setMaxColor (const int& c)
{ max_color = c; }
//----------------------------------------------------------------------
inline void FOptiAttr::setNoColorVideo (int attr)
{ attr_without_color = attr; }
//----------------------------------------------------------------------
inline void FOptiAttr::setDefaultColorSupport()
{ ansi_default_color = true; }
//----------------------------------------------------------------------
inline void FOptiAttr::unsetDefaultColorSupport()
{ ansi_default_color = false; }
#endif // FOPTIATTR_H