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finalcut/src/foptiattr.h

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New class FOptiAttr to control video attributes and colors
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// File: foptiattr.h
// Provides: class FOptiAttr
//
// Standalone class
// ════════════════
//
// ▕▔▔▔▔▔▔▔▔▔▔▔▏
// ▕ FOptiAttr ▏
// ▕▁▁▁▁▁▁▁▁▁▁▁▏
Rename preprocessor macro names with leading underscore
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#ifndef FOPTIATTR_H
#define FOPTIATTR_H
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#include <algorithm> // need for std::swap
#include <assert.h>
#include <term.h> // need for tparm
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#include "fc.h"
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//----------------------------------------------------------------------
// class FOptiAttr
//----------------------------------------------------------------------
#pragma pack(push)
#pragma pack(1)
class FOptiAttr
{
public:
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// Typedef
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typedef struct
{
int code; // character code
short fg_color; // foreground color
short bg_color; // background color
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union attribute
{
struct
{
// Attribute byte #1
uChar bold : 1; // bold
uChar dim : 1; // dim
uChar italic : 1; // italic
uChar underline : 1; // underline
uChar blink : 1; // blink
uChar reverse : 1; // reverse
uChar standout : 1; // standout
uChar invisible : 1; // invisible
// Attribute byte #2
uChar protect : 1; // protect mode
uChar crossed_out : 1; // crossed out
uChar dbl_underline : 1; // double underline
uChar alt_charset : 1; // alternate character set (vt100)
uChar pc_charset : 1; // pc character set (CP437)
uChar transparent : 1; // transparent
uChar trans_shadow : 1; // transparent shadow
uChar inherit_bg : 1; // inherit background
// Attribute byte #3
uChar no_changes : 1; // no changes required
uChar printed : 1; // is printed to VTerm
uChar : 6; // padding bits
} bit;
uChar byte1;
uChar byte2;
uChar byte3;
} attr;
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} char_data;
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// Constructor
explicit FOptiAttr();
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// Destructor
~FOptiAttr();
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// Friend operator functions
friend bool operator == (const char_data&, const char_data&);
friend bool operator != (const char_data&, const char_data&);
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// Mutators
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void setMaxColor (int&);
void setNoColorVideo (int);
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void setDefaultColorSupport();
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void setCygwinTerminal();
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*&);
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void set_orig_pair (char*&);
void set_orig_orig_colors (char*&);
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// Inquiry
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static bool isNormal (char_data*&);
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// Methods
void init();
static short vga2ansi (register short);
char* changeAttribute (char_data*&, char_data*&);
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private:
// Typedefs and Enumerations
typedef unsigned char uChar;
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typedef struct
{
char* cap;
bool caused_reset;
} capability;
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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
};
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enum default_color
{
Default = -1,
Black = 0,
LightGray = 7
};
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// Disable copy constructor
FOptiAttr (const FOptiAttr&);
Better default color handling
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// Disable assignment operator (=)
FOptiAttr& operator = (const FOptiAttr&);
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// 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*&);
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The class declaration now has a consistent order
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// Inquiries
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static bool hasColor (char_data*&);
static bool hasAttribute (char_data*&);
static bool hasNoAttribute (char_data*&);
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// Methods
bool colorChange (char_data*&, char_data*&);
void resetColor (char_data*&);
void prevent_no_color_video_attributes (char_data*&);
void change_color (char_data*&, char_data*&);
void resetAttribute (char_data*&);
void reset (char_data*&);
bool caused_reset_attributes (char*&, uChar = all_tests);
void detectSwitchOn (char_data*&, char_data*&);
void detectSwitchOff (char_data*&, char_data*&);
bool switchOn();
bool switchOff();
bool append_sequence (char*&);
bool replace_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;
int max_color;
int attr_without_color;
bool ansi_default_color;
bool monochron;
bool fake_reverse;
bool cygwin_terminal;
char attr_buf[8192];
char* attr_ptr;
};
#pragma pack(pop)
// FOptiAttr inline functions
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//----------------------------------------------------------------------
inline bool operator == ( const FOptiAttr::char_data& lhs,
const FOptiAttr::char_data& rhs )
{
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return lhs.code == rhs.code
&& lhs.fg_color == rhs.fg_color
&& lhs.bg_color == rhs.bg_color
&& lhs.attr.byte1 == rhs.attr.byte1
&& lhs.attr.byte2 == rhs.attr.byte2;
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}
//----------------------------------------------------------------------
inline bool operator != ( const FOptiAttr::char_data& lhs,
const FOptiAttr::char_data& rhs )
{ return ! ( lhs == rhs ); }
The class declaration now has a consistent order
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//----------------------------------------------------------------------
inline void FOptiAttr::setMaxColor (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::setCygwinTerminal()
{ cygwin_terminal = true; }
Rename preprocessor macro names with leading underscore
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#endif // FOPTIATTR_H