2017-11-04 07:03:53 +01:00
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/***********************************************************************
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* foptiattr.h - Sets video attributes in optimized order *
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* *
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* This file is part of the Final Cut widget toolkit *
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* *
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* Copyright 2016-2017 Markus Gans *
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* *
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* The Final Cut is free software; you can redistribute it and/or *
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* modify it under the terms of the GNU Lesser General Public License *
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* as published by the Free Software Foundation; either version 3 of *
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* the License, or (at your option) any later version. *
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* *
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* The Final Cut is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU Lesser General Public License for more details. *
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* *
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* You should have received a copy of the GNU Lesser General Public *
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* License along with this program. If not, see *
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* <http://www.gnu.org/licenses/>. *
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***********************************************************************/
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2017-10-02 07:32:33 +02:00
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/* Standalone class
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* ════════════════
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*
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* ▕▔▔▔▔▔▔▔▔▔▔▔▏
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* ▕ FOptiAttr ▏
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* ▕▁▁▁▁▁▁▁▁▁▁▁▏
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*/
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2016-01-08 01:00:05 +01:00
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2017-04-09 20:08:53 +02:00
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#ifndef FOPTIATTR_H
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#define FOPTIATTR_H
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2016-01-08 01:00:05 +01:00
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2017-10-31 00:41:59 +01:00
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#if !defined (USE_FINAL_H) && !defined (COMPILE_FINAL_CUT)
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#error "Only <final/final.h> can be included directly."
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#endif
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2016-01-08 01:00:05 +01:00
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#include <assert.h>
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#include <term.h> // need for tparm
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2017-09-11 03:06:02 +02:00
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#include <algorithm> // need for std::swap
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2017-09-17 21:32:46 +02:00
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#include "final/fc.h"
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2016-11-02 00:37:58 +01:00
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2016-01-08 01:00:05 +01:00
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//----------------------------------------------------------------------
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// class FOptiAttr
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//----------------------------------------------------------------------
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#pragma pack(push)
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#pragma pack(1)
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class FOptiAttr
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{
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2017-09-11 03:06:02 +02:00
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public:
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// Typedef
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typedef struct
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{
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int code; // character code
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short fg_color; // foreground color
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short bg_color; // background color
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union attribute
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{
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struct
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{
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2017-09-15 01:31:02 +02:00
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// Attribute byte #0
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uInt8 bold : 1; // bold
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uInt8 dim : 1; // dim
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uInt8 italic : 1; // italic
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uInt8 underline : 1; // underline
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uInt8 blink : 1; // blink
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uInt8 reverse : 1; // reverse
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uInt8 standout : 1; // standout
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uInt8 invisible : 1; // invisible
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2017-09-11 03:06:02 +02:00
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// Attribute byte #1
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2017-09-15 01:31:02 +02:00
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uInt8 protect : 1; // protect mode
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uInt8 crossed_out : 1; // crossed out
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uInt8 dbl_underline : 1; // double underline
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uInt8 alt_charset : 1; // alternate character set (vt100)
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uInt8 pc_charset : 1; // pc character set (CP437)
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uInt8 transparent : 1; // transparent
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uInt8 trans_shadow : 1; // transparent shadow
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uInt8 inherit_bg : 1; // inherit background
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2017-09-11 03:06:02 +02:00
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// Attribute byte #2
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2017-09-15 01:31:02 +02:00
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uInt8 no_changes : 1; // no changes required
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uInt8 printed : 1; // is printed to VTerm
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uInt8 : 6; // padding bits
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2017-09-11 03:06:02 +02:00
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} bit;
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2017-09-15 01:31:02 +02:00
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uInt8 byte[3];
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2017-09-11 03:06:02 +02:00
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} attr;
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} char_data;
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// Constructor
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explicit FOptiAttr();
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// Destructor
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~FOptiAttr();
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// Friend operator functions
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friend bool operator == (const char_data&, const char_data&);
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friend bool operator != (const char_data&, const char_data&);
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// Mutators
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void setMaxColor (const int&);
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void setNoColorVideo (int);
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void setDefaultColorSupport();
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void setCygwinTerminal();
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void set_enter_bold_mode (char*&);
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void set_exit_bold_mode (char*&);
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void set_enter_dim_mode (char*&);
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void set_exit_dim_mode (char*&);
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void set_enter_italics_mode (char*&);
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void set_exit_italics_mode (char*&);
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void set_enter_underline_mode (char*&);
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void set_exit_underline_mode (char*&);
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void set_enter_blink_mode (char*&);
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void set_exit_blink_mode (char*&);
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void set_enter_reverse_mode (char*&);
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void set_exit_reverse_mode (char*&);
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void set_enter_secure_mode (char*&);
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void set_exit_secure_mode (char*&);
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void set_enter_protected_mode (char*&);
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void set_exit_protected_mode (char*&);
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void set_enter_crossed_out_mode (char*&);
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void set_exit_crossed_out_mode (char*&);
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void set_enter_dbl_underline_mode (char*&);
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void set_exit_dbl_underline_mode (char*&);
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void set_enter_standout_mode (char*&);
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void set_exit_standout_mode (char*&);
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void set_set_attributes (char*&);
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void set_exit_attribute_mode (char*&);
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void set_enter_alt_charset_mode (char*&);
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void set_exit_alt_charset_mode (char*&);
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void set_enter_pc_charset_mode (char*&);
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void set_exit_pc_charset_mode (char*&);
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void set_a_foreground_color (char*&);
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void set_a_background_color (char*&);
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void set_foreground_color (char*&);
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void set_background_color (char*&);
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void set_term_color_pair (char*&);
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void set_orig_pair (char*&);
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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
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void init();
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static short vga2ansi (register short);
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char* changeAttribute (char_data*&, char_data*&);
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private:
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// Typedefs and Enumerations
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typedef unsigned char uChar;
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typedef struct
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{
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char* cap;
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bool caused_reset;
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} capability;
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enum init_reset_tests
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{
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no_test = 0x00,
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test_ansi_reset = 0x01, // ANSI X3.64 terminal
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test_adm3_reset = 0x02, // Lear Siegler ADM-3 terminal
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same_like_ue = 0x04,
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same_like_se = 0x08,
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same_like_me = 0x10,
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all_tests = 0x1f
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};
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enum default_color
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{
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Default = -1,
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Black = 0,
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LightGray = 7
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};
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// Disable copy constructor
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FOptiAttr (const FOptiAttr&);
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// Disable assignment operator (=)
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FOptiAttr& operator = (const FOptiAttr&);
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// Mutators
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bool setTermBold (char_data*&);
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bool unsetTermBold (char_data*&);
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bool setTermDim (char_data*&);
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bool unsetTermDim (char_data*&);
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bool setTermItalic (char_data*&);
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bool unsetTermItalic (char_data*&);
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bool setTermUnderline (char_data*&);
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bool unsetTermUnderline (char_data*&);
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bool setTermBlink (char_data*&);
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bool unsetTermBlink (char_data*&);
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bool setTermReverse (char_data*&);
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bool unsetTermReverse (char_data*&);
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bool setTermStandout (char_data*&);
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bool unsetTermStandout (char_data*&);
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bool setTermInvisible (char_data*&);
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bool unsetTermInvisible (char_data*&);
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bool setTermProtected (char_data*&);
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bool unsetTermProtected (char_data*&);
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bool setTermCrossedOut (char_data*&);
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bool unsetTermCrossedOut (char_data*&);
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bool setTermDoubleUnderline (char_data*&);
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bool unsetTermDoubleUnderline (char_data*&);
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bool setTermAttributes ( char_data*&
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, bool, bool, bool
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, bool, bool, bool
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, bool, bool, bool );
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bool unsetTermAttributes (char_data*&);
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bool setTermAltCharset (char_data*&);
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bool unsetTermAltCharset (char_data*&);
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bool setTermPCcharset (char_data*&);
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bool unsetTermPCcharset (char_data*&);
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bool setTermDefaultColor (char_data*&);
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// Inquiries
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static bool hasColor (char_data*&);
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static bool hasAttribute (char_data*&);
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static bool hasNoAttribute (char_data*&);
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// Methods
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bool colorChange (char_data*&, char_data*&);
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void resetColor (char_data*&);
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void prevent_no_color_video_attributes (char_data*&);
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void change_color (char_data*&, char_data*&);
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void resetAttribute (char_data*&);
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void reset (char_data*&);
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bool caused_reset_attributes (char*&, uChar = all_tests);
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void detectSwitchOn (char_data*&, char_data*&);
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void detectSwitchOff (char_data*&, char_data*&);
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bool switchOn();
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bool switchOff();
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bool append_sequence (char*&);
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bool replace_sequence (char*&);
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// Data Members
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capability F_enter_bold_mode;
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capability F_exit_bold_mode;
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capability F_enter_dim_mode;
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capability F_exit_dim_mode;
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capability F_enter_italics_mode;
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capability F_exit_italics_mode;
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capability F_enter_underline_mode;
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capability F_exit_underline_mode;
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capability F_enter_blink_mode;
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capability F_exit_blink_mode;
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capability F_enter_reverse_mode;
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capability F_exit_reverse_mode;
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capability F_enter_standout_mode;
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capability F_exit_standout_mode;
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capability F_enter_secure_mode;
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capability F_exit_secure_mode;
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capability F_enter_protected_mode;
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capability F_exit_protected_mode;
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capability F_enter_crossed_out_mode;
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capability F_exit_crossed_out_mode;
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capability F_enter_dbl_underline_mode;
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capability F_exit_dbl_underline_mode;
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capability F_set_attributes;
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capability F_exit_attribute_mode;
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capability F_enter_alt_charset_mode;
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capability F_exit_alt_charset_mode;
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capability F_enter_pc_charset_mode;
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capability F_exit_pc_charset_mode;
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capability F_set_a_foreground;
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capability F_set_a_background;
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capability F_set_foreground;
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capability F_set_background;
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capability F_set_color_pair;
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capability F_orig_pair;
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capability F_orig_colors;
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char_data on;
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char_data off;
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int max_color;
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int attr_without_color;
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bool ansi_default_color;
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bool monochron;
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bool fake_reverse;
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bool cygwin_terminal;
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char attr_buf[8192];
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char* attr_ptr;
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2016-11-02 00:37:58 +01:00
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};
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#pragma pack(pop)
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// FOptiAttr inline functions
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2016-01-08 01:00:05 +01:00
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//----------------------------------------------------------------------
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inline bool operator == ( const FOptiAttr::char_data& lhs,
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const FOptiAttr::char_data& rhs )
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{
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return lhs.code == rhs.code
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&& lhs.fg_color == rhs.fg_color
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&& lhs.bg_color == rhs.bg_color
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&& lhs.attr.byte[0] == rhs.attr.byte[0]
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&& lhs.attr.byte[1] == rhs.attr.byte[1];
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2016-01-08 01:00:05 +01:00
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}
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//----------------------------------------------------------------------
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inline bool operator != ( const FOptiAttr::char_data& lhs,
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const FOptiAttr::char_data& rhs )
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{ return ! ( lhs == rhs ); }
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2016-11-02 00:37:58 +01:00
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//----------------------------------------------------------------------
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2017-09-11 03:06:02 +02:00
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inline void FOptiAttr::setMaxColor (const int& c)
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2016-11-02 00:37:58 +01:00
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{ max_color = c; }
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//----------------------------------------------------------------------
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inline void FOptiAttr::setNoColorVideo (int attr)
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{ attr_without_color = attr; }
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//----------------------------------------------------------------------
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inline void FOptiAttr::setDefaultColorSupport()
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{ ansi_default_color = true; }
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//----------------------------------------------------------------------
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inline void FOptiAttr::setCygwinTerminal()
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{ cygwin_terminal = true; }
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2017-04-09 20:08:53 +02:00
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#endif // FOPTIATTR_H
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