/************************************************************************ * foptiattr.h - Sets video attributes in optimized order * * * * This file is part of the Final Cut widget toolkit * * * * Copyright 2016-2017 Markus Gans * * * * The Final Cut is free software; you can redistribute it and/or modify * * it under the terms of the GNU 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 General Public License for more details. * * * * You should have received a copy of the GNU General Public License * * along with this program. If not, see . * ************************************************************************/ /* Standalone class * ════════════════ * * ▕▔▔▔▔▔▔▔▔▔▔▔▏ * ▕ FOptiAttr ▏ * ▕▁▁▁▁▁▁▁▁▁▁▁▏ */ #ifndef FOPTIATTR_H #define FOPTIATTR_H #include #include // need for tparm #include // need for std::swap #include "final/fc.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&); // Mutators void setMaxColor (const int&); void setNoColorVideo (int); void setDefaultColorSupport(); 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*&); void set_orig_pair (char*&); void set_orig_orig_colors (char*&); // Inquiry static bool isNormal (char_data*&); // Methods void init(); 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 default_color { Default = -1, Black = 0, LightGray = 7 }; // 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*&); // 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*&); 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 //---------------------------------------------------------------------- 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 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::setCygwinTerminal() { cygwin_terminal = true; } #endif // FOPTIATTR_H