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Split terminal implementation into multiple files
The terminal has a lot of bits that may be worth reusing outside the single implementation. Those bits are now located at 'include/terminal' in the gems repository.
This commit is contained in:
Norman Feske
147
gems/include/terminal/cell_array.h
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147
gems/include/terminal/cell_array.h
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@ -0,0 +1,147 @@
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/*
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* \brief Array of character cells
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* \author Norman Feske
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* \date 2011-06-06
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*/
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/*
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* Copyright (C) 2011-2012 Genode Labs GmbH
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*
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* This file is part of the Genode OS framework, which is distributed
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* under the terms of the GNU General Public License version 2.
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*/
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#ifndef _TERMINAL__CELL_ARRAY_H_
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#define _TERMINAL__CELL_ARRAY_H_
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/* Genode includes */
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#include <base/allocator.h>
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/**
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* \param CELL type of a single character cell that contains the information
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* about the glyph and its attributes
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*
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* The 'CELL' type must have a default constructor and has to provide the
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* function 'set_cursor()' and 'clear_cursor'.
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*/
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template <typename CELL>
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class Cell_array
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{
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private:
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unsigned _num_cols;
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unsigned _num_lines;
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Genode::Allocator *_alloc;
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CELL **_array;
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bool *_line_dirty;
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typedef CELL *Char_cell_line;
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void _clear_line(Char_cell_line line)
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{
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for (unsigned col = 0; col < _num_cols; col++)
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*line++ = CELL();
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}
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void _mark_lines_as_dirty(int start, int end)
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{
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for (int line = start; line <= end; line++)
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_line_dirty[line] = true;
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}
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void _scroll_vertically(int start, int end, bool up)
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{
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/* rotate lines of the scroll region */
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Char_cell_line yanked_line = _array[up ? start : end];
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if (up) {
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for (int line = start; line <= end - 1; line++)
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_array[line] = _array[line + 1];
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} else {
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for (int line = end; line >= start + 1; line--)
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_array[line] = _array[line - 1];
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}
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_clear_line(yanked_line);
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_array[up ? end: start] = yanked_line;
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_mark_lines_as_dirty(start, end);
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}
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public:
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Cell_array(unsigned num_cols, unsigned num_lines,
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Genode::Allocator *alloc)
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:
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_num_cols(num_cols),
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_num_lines(num_lines),
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_alloc(alloc)
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{
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_array = new (alloc) Char_cell_line[num_lines];
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_line_dirty = new (alloc) bool[num_lines];
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for (unsigned i = 0; i < num_lines; i++)
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_line_dirty[i] = false;
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for (unsigned i = 0; i < num_lines; i++)
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_array[i] = new (alloc) CELL[num_cols];
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}
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/* XXX destructor is missing */
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void set_cell(int column, int line, CELL cell)
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{
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_array[line][column] = cell;
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_line_dirty[line] = true;
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}
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CELL get_cell(int column, int line)
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{
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return _array[line][column];
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}
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bool line_dirty(int line) { return _line_dirty[line]; }
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void mark_line_as_clean(int line)
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{
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_line_dirty[line] = false;
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}
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void scroll_up(int region_start, int region_end)
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{
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_scroll_vertically(region_start, region_end, true);
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}
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void scroll_down(int region_start, int region_end)
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{
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_scroll_vertically(region_start, region_end, false);
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}
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void clear(int region_start, int region_end)
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{
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for (int line = region_start; line <= region_end; line++)
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_clear_line(_array[line]);
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_mark_lines_as_dirty(region_start, region_end);
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}
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void cursor(Terminal::Position pos, bool enable, bool mark_dirty = false)
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{
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CELL &cell = _array[pos.y][pos.x];
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if (enable)
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cell.set_cursor();
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else
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cell.clear_cursor();
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if (mark_dirty)
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_line_dirty[pos.y] = true;
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}
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unsigned num_cols() { return _num_cols; }
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unsigned num_lines() { return _num_lines; }
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};
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#endif /* _TERMINAL__CELL_ARRAY_H_ */
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127
gems/include/terminal/keymaps.h
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127
gems/include/terminal/keymaps.h
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@ -0,0 +1,127 @@
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/*
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* \brief Key mappings of scancodes to characters
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* \author Norman Feske
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* \date 2011-06-06
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*/
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/*
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* Copyright (C) 2011-2012 Genode Labs GmbH
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*
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* This file is part of the Genode OS framework, which is distributed
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* under the terms of the GNU General Public License version 2.
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*/
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#ifndef _TERMINAL__KEYMAPS_H_
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#define _TERMINAL__KEYMAPS_H_
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namespace Terminal {
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enum {
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BS = 8,
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ESC = 27,
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TAB = 9,
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LF = 10,
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UE = 252, /* 'ü' */
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AE = 228, /* 'ä' */
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OE = 246, /* 'ö' */
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PAR = 167, /* '§' */
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DEG = 176, /* '°' */
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SS = 223, /* 'ß' */
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};
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static unsigned char usenglish_keymap[128] = {
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0 ,ESC,'1','2','3','4','5','6','7','8','9','0','-','=', BS,TAB,
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'q','w','e','r','t','y','u','i','o','p','[',']', LF, 0 ,'a','s',
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'd','f','g','h','j','k','l',';','\'','`', 0, '\\' ,'z','x','c','v',
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'b','n','m',',','.','/', 0 , 0 , 0 ,' ', 0 , 0 , 0 , 0 , 0 , 0 ,
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0 , 0 , 0 , 0 , 0 , 0 , 0 ,'7','8','9','-','4','5','6','+','1',
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'2','3','0',',', 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 ,
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LF, 0 ,'/', 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 ,
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};
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/**
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* Mapping from ASCII value to another ASCII value when shift is pressed
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*
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* The table does not contain mappings for control characters. The table
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* entry 0 corresponds to ASCII value 32.
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*/
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static unsigned char usenglish_shift[256 - 32] = {
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/* 32 */ ' ', 0 , 0, 0 , 0 , 0 , 0 ,'"', 0 , 0 , 0 , 0 ,'<','_','>','?',
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/* 48 */ ')','!','@','#','$','%','^','&','*','(', 0 ,':', 0 ,'+', 0 , 0 ,
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/* 64 */ 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 ,
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/* 80 */ 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 ,'{','|','}', 0 , 0 ,
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/* 96 */ '~','A','B','C','D','E','F','G','H','I','J','K','L','M','N','O',
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/* 112 */ 'P','Q','R','S','T','U','V','W','X','Y','Z', 0 ,'\\', 0 , 0 , 0 ,
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};
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static unsigned char german_keymap[128] = {
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0 ,ESC,'1','2','3','4','5','6','7','8','9','0', SS, 39, BS,TAB,
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'q','w','e','r','t','z','u','i','o','p', UE,'+', LF, 0 ,'a','s',
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'd','f','g','h','j','k','l', OE, AE,'^', 0 ,'#','y','x','c','v',
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'b','n','m',',','.','-', 0 ,'*', 0 ,' ', 0 , 0 , 0 , 0 , 0 , 0 ,
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0 , 0 , 0 , 0 , 0 , 0 , 0 ,'7','8','9','-','4','5','6','+','1',
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'2','3','0',',', 0 , 0 ,'<', 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 ,
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LF, 0 ,'/', 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 ,
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};
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|
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|
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/**
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* Mapping from ASCII value to another ASCII value when shift is pressed
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*
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* The table does not contain mappings for control characters. The table
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|
* entry 0 corresponds to ASCII value 32.
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|
*/
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static unsigned char german_shift[256 - 32] = {
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/* 32 */ ' ', 0 , 0, 39 , 0 , 0 , 0 ,'`', 0 , 0 , 0 ,'*',';','_',':', 0 ,
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/* 48 */ '=','!','"',PAR,'$','%','&','/','(',')', 0 , 0 ,'>', 0 , 0 , 0 ,
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|
/* 64 */ 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 ,
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|
/* 80 */ 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 ,DEG, 0 ,
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||||||
|
/* 96 */ 0 ,'A','B','C','D','E','F','G','H','I','J','K','L','M','N','O',
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|
/* 112 */ 'P','Q','R','S','T','U','V','W','X','Y','Z', 0 , 0 , 0 , 0 , 0 ,
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||||||
|
/* 128 */ 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 ,
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||||||
|
/* 144 */ 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 ,
|
||||||
|
/* 160 */ 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 ,
|
||||||
|
/* 176 */ 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 ,
|
||||||
|
/* 192 */ 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 ,
|
||||||
|
/* 208 */ 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 ,'?',
|
||||||
|
};
|
||||||
|
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Mapping from ASCII value to another ASCII value when altgr is pressed
|
||||||
|
*/
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||||||
|
static unsigned char german_altgr[256 - 32] = {
|
||||||
|
/* 32 */ 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 ,'~', 0 , 0 , 0 , 0 ,
|
||||||
|
/* 48 */'}', 0 ,178,179, 0 , 0 , 0 ,'{','[',']', 0 , 0 ,'|', 0 , 0 , 0 ,
|
||||||
|
/* 64 */ 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 ,
|
||||||
|
/* 80 */ 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 ,
|
||||||
|
/* 96 */ 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 ,
|
||||||
|
/* 112 */ 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 ,
|
||||||
|
/* 128 */ 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 ,
|
||||||
|
/* 144 */ 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 ,
|
||||||
|
/* 160 */ 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 ,
|
||||||
|
/* 176 */ 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 ,
|
||||||
|
/* 192 */ 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 ,
|
||||||
|
/* 208 */ 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 ,'\\',
|
||||||
|
};
|
||||||
|
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Mapping from ASCII value to value reported when control is pressed
|
||||||
|
*
|
||||||
|
* The table starts with ASCII value 32.
|
||||||
|
*/
|
||||||
|
static unsigned char control[256 - 32] = {
|
||||||
|
/* 32 */ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
||||||
|
/* 48 */ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
||||||
|
/* 64 */ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
||||||
|
/* 80 */ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
||||||
|
/* 96 */ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
|
||||||
|
/* 112 */ 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 0, 0, 0, 0, 0, 0,
|
||||||
|
};
|
||||||
|
}
|
||||||
|
|
||||||
|
#endif /* _TERMINAL__KEYMAPS_H_ */
|
||||||
100
gems/include/terminal/read_buffer.h
Normal file
100
gems/include/terminal/read_buffer.h
Normal file
@ -0,0 +1,100 @@
|
|||||||
|
/*
|
||||||
|
* \brief Buffer for storing decoded characters
|
||||||
|
* \author Norman Feske
|
||||||
|
* \date 2011-06-06
|
||||||
|
*/
|
||||||
|
|
||||||
|
/*
|
||||||
|
* Copyright (C) 2011-2012 Genode Labs GmbH
|
||||||
|
*
|
||||||
|
* This file is part of the Genode OS framework, which is distributed
|
||||||
|
* under the terms of the GNU General Public License version 2.
|
||||||
|
*/
|
||||||
|
|
||||||
|
#ifndef _TERMINAL__READ_BUFFER_H_
|
||||||
|
#define _TERMINAL__READ_BUFFER_H_
|
||||||
|
|
||||||
|
#include <os/ring_buffer.h>
|
||||||
|
#include <base/signal.h>
|
||||||
|
|
||||||
|
|
||||||
|
namespace Terminal {
|
||||||
|
|
||||||
|
class Read_buffer;
|
||||||
|
|
||||||
|
enum { READ_BUFFER_SIZE = 4096 };
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
class Terminal::Read_buffer : public Ring_buffer<unsigned char, READ_BUFFER_SIZE>
|
||||||
|
{
|
||||||
|
private:
|
||||||
|
|
||||||
|
Genode::Signal_context_capability _sigh_cap;
|
||||||
|
|
||||||
|
public:
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Register signal handler for read-avail signals
|
||||||
|
*/
|
||||||
|
void sigh(Genode::Signal_context_capability cap)
|
||||||
|
{
|
||||||
|
_sigh_cap = cap;
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Add element into read buffer and emit signal
|
||||||
|
*/
|
||||||
|
void add(unsigned char c)
|
||||||
|
{
|
||||||
|
Ring_buffer<unsigned char, READ_BUFFER_SIZE>::add(c);
|
||||||
|
|
||||||
|
if (_sigh_cap.valid())
|
||||||
|
Genode::Signal_transmitter(_sigh_cap).submit();
|
||||||
|
}
|
||||||
|
|
||||||
|
void add(char const *str)
|
||||||
|
{
|
||||||
|
while (*str)
|
||||||
|
add(*str++);
|
||||||
|
}
|
||||||
|
};
|
||||||
|
|
||||||
|
|
||||||
|
enum { READ_BUFFER_SIZE = 4096 };
|
||||||
|
|
||||||
|
class Read_buffer : public Ring_buffer<unsigned char, READ_BUFFER_SIZE>
|
||||||
|
{
|
||||||
|
private:
|
||||||
|
|
||||||
|
Genode::Signal_context_capability _sigh_cap;
|
||||||
|
|
||||||
|
public:
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Register signal handler for read-avail signals
|
||||||
|
*/
|
||||||
|
void sigh(Genode::Signal_context_capability cap)
|
||||||
|
{
|
||||||
|
_sigh_cap = cap;
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Add element into read buffer and emit signal
|
||||||
|
*/
|
||||||
|
void add(unsigned char c)
|
||||||
|
{
|
||||||
|
Ring_buffer<unsigned char, READ_BUFFER_SIZE>::add(c);
|
||||||
|
|
||||||
|
if (_sigh_cap.valid())
|
||||||
|
Genode::Signal_transmitter(_sigh_cap).submit();
|
||||||
|
}
|
||||||
|
|
||||||
|
void add(char const *str)
|
||||||
|
{
|
||||||
|
while (*str)
|
||||||
|
add(*str++);
|
||||||
|
}
|
||||||
|
};
|
||||||
|
|
||||||
|
#endif /* _TERMINAL__READ_BUFFER_H_ */
|
||||||
203
gems/include/terminal/scancode_tracker.h
Normal file
203
gems/include/terminal/scancode_tracker.h
Normal file
@ -0,0 +1,203 @@
|
|||||||
|
/*
|
||||||
|
* \brief State machine for translating scan codes to characters
|
||||||
|
* \author Norman Feske
|
||||||
|
* \date 2011-06-06
|
||||||
|
*/
|
||||||
|
|
||||||
|
/*
|
||||||
|
* Copyright (C) 2011-2012 Genode Labs GmbH
|
||||||
|
*
|
||||||
|
* This file is part of the Genode OS framework, which is distributed
|
||||||
|
* under the terms of the GNU General Public License version 2.
|
||||||
|
*/
|
||||||
|
|
||||||
|
#ifndef _TERMINAL__SCANCODE_TRACKER_H_
|
||||||
|
#define _TERMINAL__SCANCODE_TRACKER_H_
|
||||||
|
|
||||||
|
#include <input/keycodes.h>
|
||||||
|
#include <terminal/read_buffer.h>
|
||||||
|
|
||||||
|
namespace Terminal { class Scancode_tracker; }
|
||||||
|
|
||||||
|
|
||||||
|
/**
|
||||||
|
* State machine that translates keycode sequences to terminal characters
|
||||||
|
*/
|
||||||
|
class Terminal::Scancode_tracker
|
||||||
|
{
|
||||||
|
private:
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Tables containing the scancode-to-character mapping
|
||||||
|
*/
|
||||||
|
unsigned char const *_keymap;
|
||||||
|
unsigned char const *_shift;
|
||||||
|
unsigned char const *_altgr;
|
||||||
|
unsigned char const *_control;
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Current state of modifer keys
|
||||||
|
*/
|
||||||
|
bool _mod_shift;
|
||||||
|
bool _mod_control;
|
||||||
|
bool _mod_altgr;
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Currently pressed key, or 0 if no normal key (one that can be
|
||||||
|
* encoded in a single 'char') is pressed
|
||||||
|
*/
|
||||||
|
unsigned char _last_character;
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Currently pressed special key (a key that corresponds to an escape
|
||||||
|
* sequence), or no if no special key is pressed
|
||||||
|
*/
|
||||||
|
char const *_last_sequence;
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Convert keycode to terminal character
|
||||||
|
*/
|
||||||
|
unsigned char _keycode_to_latin1(int keycode)
|
||||||
|
{
|
||||||
|
if (keycode >= 112) return 0;
|
||||||
|
|
||||||
|
unsigned ch = _keymap[keycode];
|
||||||
|
|
||||||
|
if (ch < 32)
|
||||||
|
return ch;
|
||||||
|
|
||||||
|
/* all ASCII-to-ASCII table start at index 32 */
|
||||||
|
if (_mod_shift || _mod_control || _mod_altgr) {
|
||||||
|
ch -= 32;
|
||||||
|
|
||||||
|
/*
|
||||||
|
* 'ch' is guaranteed to be in the range 0..223. So it is safe to
|
||||||
|
* use it as index into the ASCII-to-ASCII tables.
|
||||||
|
*/
|
||||||
|
|
||||||
|
if (_mod_shift)
|
||||||
|
return _shift[ch];
|
||||||
|
|
||||||
|
if (_mod_control)
|
||||||
|
return _control[ch];
|
||||||
|
|
||||||
|
if (_altgr && _mod_altgr)
|
||||||
|
return _altgr[ch];
|
||||||
|
}
|
||||||
|
|
||||||
|
return ch;
|
||||||
|
}
|
||||||
|
|
||||||
|
public:
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Constructor
|
||||||
|
*
|
||||||
|
* \param keymap table for keycode-to-character mapping
|
||||||
|
* \param shift table for character-to-character mapping used when
|
||||||
|
* Shift is pressed
|
||||||
|
* \param altgr table for character-to-character mapping with AltGr
|
||||||
|
* is pressed
|
||||||
|
*/
|
||||||
|
Scancode_tracker(unsigned char const *keymap,
|
||||||
|
unsigned char const *shift,
|
||||||
|
unsigned char const *altgr,
|
||||||
|
unsigned char const *control)
|
||||||
|
:
|
||||||
|
_keymap(keymap),
|
||||||
|
_shift(shift),
|
||||||
|
_altgr(altgr),
|
||||||
|
_control(control),
|
||||||
|
_mod_shift(false),
|
||||||
|
_mod_control(false),
|
||||||
|
_mod_altgr(false),
|
||||||
|
_last_character(0),
|
||||||
|
_last_sequence(0)
|
||||||
|
{ };
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Submit key event to state machine
|
||||||
|
*
|
||||||
|
* \param press true on press event, false on release event
|
||||||
|
*/
|
||||||
|
void submit(int keycode, bool press)
|
||||||
|
{
|
||||||
|
/* track modifier keys */
|
||||||
|
switch (keycode) {
|
||||||
|
case Input::KEY_LEFTSHIFT:
|
||||||
|
case Input::KEY_RIGHTSHIFT:
|
||||||
|
_mod_shift = press;
|
||||||
|
break;
|
||||||
|
|
||||||
|
case Input::KEY_LEFTCTRL:
|
||||||
|
case Input::KEY_RIGHTCTRL:
|
||||||
|
_mod_control = press;
|
||||||
|
break;
|
||||||
|
|
||||||
|
case Input::KEY_RIGHTALT:
|
||||||
|
_mod_altgr = press;
|
||||||
|
|
||||||
|
default:
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
|
||||||
|
/* reset information about the currently pressed key */
|
||||||
|
_last_character = 0;
|
||||||
|
_last_sequence = 0;
|
||||||
|
|
||||||
|
if (!press) return;
|
||||||
|
|
||||||
|
/* convert key codes to ASCII */
|
||||||
|
_last_character = _keycode_to_latin1(keycode);
|
||||||
|
|
||||||
|
/* handle special key to be represented by an escape sequence */
|
||||||
|
if (!_last_character) {
|
||||||
|
switch (keycode) {
|
||||||
|
case Input::KEY_DOWN: _last_sequence = "\E[B"; break;
|
||||||
|
case Input::KEY_UP: _last_sequence = "\E[A"; break;
|
||||||
|
case Input::KEY_RIGHT: _last_sequence = "\E[C"; break;
|
||||||
|
case Input::KEY_LEFT: _last_sequence = "\E[D"; break;
|
||||||
|
case Input::KEY_HOME: _last_sequence = "\E[1~"; break;
|
||||||
|
case Input::KEY_INSERT: _last_sequence = "\E[2~"; break;
|
||||||
|
case Input::KEY_DELETE: _last_sequence = "\E[3~"; break;
|
||||||
|
case Input::KEY_END: _last_sequence = "\E[4~"; break;
|
||||||
|
case Input::KEY_PAGEUP: _last_sequence = "\E[5~"; break;
|
||||||
|
case Input::KEY_PAGEDOWN: _last_sequence = "\E[6~"; break;
|
||||||
|
case Input::KEY_F1: _last_sequence = "\E[[A"; break;
|
||||||
|
case Input::KEY_F2: _last_sequence = "\E[[B"; break;
|
||||||
|
case Input::KEY_F3: _last_sequence = "\E[[C"; break;
|
||||||
|
case Input::KEY_F4: _last_sequence = "\E[[D"; break;
|
||||||
|
case Input::KEY_F5: _last_sequence = "\E[[E"; break;
|
||||||
|
case Input::KEY_F6: _last_sequence = "\E[17~"; break;
|
||||||
|
case Input::KEY_F7: _last_sequence = "\E[18~"; break;
|
||||||
|
case Input::KEY_F8: _last_sequence = "\E[19~"; break;
|
||||||
|
case Input::KEY_F9: _last_sequence = "\E[20~"; break;
|
||||||
|
case Input::KEY_F10: _last_sequence = "\E[21~"; break;
|
||||||
|
case Input::KEY_F11: _last_sequence = "\E[23~"; break;
|
||||||
|
case Input::KEY_F12: _last_sequence = "\E[24~"; break;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Output currently pressed key to read buffer
|
||||||
|
*/
|
||||||
|
void emit_current_character(Read_buffer &read_buffer)
|
||||||
|
{
|
||||||
|
if (_last_character)
|
||||||
|
read_buffer.add(_last_character);
|
||||||
|
|
||||||
|
if (_last_sequence)
|
||||||
|
read_buffer.add(_last_sequence);
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Return true if there is a currently pressed key
|
||||||
|
*/
|
||||||
|
bool valid() const
|
||||||
|
{
|
||||||
|
return (_last_sequence || _last_character);
|
||||||
|
}
|
||||||
|
};
|
||||||
|
|
||||||
|
#endif /* _TERMINAL__SCANCODE_TRACKER_H_ */
|
||||||
@ -20,59 +20,26 @@
|
|||||||
#include <timer_session/connection.h>
|
#include <timer_session/connection.h>
|
||||||
#include <cap_session/connection.h>
|
#include <cap_session/connection.h>
|
||||||
#include <root/component.h>
|
#include <root/component.h>
|
||||||
#include <os/ring_buffer.h>
|
|
||||||
#include <os/attached_ram_dataspace.h>
|
#include <os/attached_ram_dataspace.h>
|
||||||
#include <input/keycodes.h>
|
|
||||||
#include <input/event.h>
|
#include <input/event.h>
|
||||||
#include <os/config.h>
|
#include <os/config.h>
|
||||||
|
|
||||||
|
/* terminal includes */
|
||||||
#include <terminal/decoder.h>
|
#include <terminal/decoder.h>
|
||||||
#include <terminal/types.h>
|
#include <terminal/types.h>
|
||||||
|
#include <terminal/scancode_tracker.h>
|
||||||
|
#include <terminal/keymaps.h>
|
||||||
|
#include <terminal/cell_array.h>
|
||||||
|
#include <terminal_session/terminal_session.h>
|
||||||
|
|
||||||
|
/* nitpicker graphic back end */
|
||||||
#include <nitpicker_gfx/font.h>
|
#include <nitpicker_gfx/font.h>
|
||||||
#include <nitpicker_gfx/color.h>
|
#include <nitpicker_gfx/color.h>
|
||||||
#include <nitpicker_gfx/pixel_rgb565.h>
|
#include <nitpicker_gfx/pixel_rgb565.h>
|
||||||
|
|
||||||
#include <terminal_session/terminal_session.h>
|
|
||||||
|
|
||||||
static bool const verbose = false;
|
static bool const verbose = false;
|
||||||
|
|
||||||
enum { READ_BUFFER_SIZE = 4096 };
|
|
||||||
|
|
||||||
class Read_buffer : public Ring_buffer<unsigned char, READ_BUFFER_SIZE>
|
|
||||||
{
|
|
||||||
private:
|
|
||||||
|
|
||||||
Genode::Signal_context_capability _sigh_cap;
|
|
||||||
|
|
||||||
public:
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Register signal handler for read-avail signals
|
|
||||||
*/
|
|
||||||
void sigh(Genode::Signal_context_capability cap)
|
|
||||||
{
|
|
||||||
_sigh_cap = cap;
|
|
||||||
}
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Add element into read buffer and emit signal
|
|
||||||
*/
|
|
||||||
void add(unsigned char c)
|
|
||||||
{
|
|
||||||
Ring_buffer<unsigned char, READ_BUFFER_SIZE>::add(c);
|
|
||||||
|
|
||||||
if (_sigh_cap.valid())
|
|
||||||
Genode::Signal_transmitter(_sigh_cap).submit();
|
|
||||||
}
|
|
||||||
|
|
||||||
void add(char const *str)
|
|
||||||
{
|
|
||||||
while (*str)
|
|
||||||
add(*str++);
|
|
||||||
}
|
|
||||||
};
|
|
||||||
|
|
||||||
|
|
||||||
inline Pixel_rgb565 blend(Pixel_rgb565 src, int alpha)
|
inline Pixel_rgb565 blend(Pixel_rgb565 src, int alpha)
|
||||||
{
|
{
|
||||||
@ -97,6 +64,7 @@ inline Pixel_rgb565 mix(Pixel_rgb565 p1, Pixel_rgb565 p2, int alpha)
|
|||||||
return res;
|
return res;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
|
||||||
static Color color_palette[2*8];
|
static Color color_palette[2*8];
|
||||||
|
|
||||||
|
|
||||||
@ -179,123 +147,6 @@ struct Char_cell
|
|||||||
};
|
};
|
||||||
|
|
||||||
|
|
||||||
class Char_cell_array
|
|
||||||
{
|
|
||||||
private:
|
|
||||||
|
|
||||||
unsigned _num_cols;
|
|
||||||
unsigned _num_lines;
|
|
||||||
Genode::Allocator *_alloc;
|
|
||||||
Char_cell **_array;
|
|
||||||
bool *_line_dirty;
|
|
||||||
|
|
||||||
typedef Char_cell *Char_cell_line;
|
|
||||||
|
|
||||||
void _clear_line(Char_cell_line line)
|
|
||||||
{
|
|
||||||
for (unsigned col = 0; col < _num_cols; col++)
|
|
||||||
*line++ = Char_cell();
|
|
||||||
}
|
|
||||||
|
|
||||||
void _mark_lines_as_dirty(int start, int end)
|
|
||||||
{
|
|
||||||
for (int line = start; line <= end; line++)
|
|
||||||
_line_dirty[line] = true;
|
|
||||||
}
|
|
||||||
|
|
||||||
void _scroll_vertically(int start, int end, bool up)
|
|
||||||
{
|
|
||||||
/* rotate lines of the scroll region */
|
|
||||||
Char_cell_line yanked_line = _array[up ? start : end];
|
|
||||||
|
|
||||||
if (up) {
|
|
||||||
for (int line = start; line <= end - 1; line++)
|
|
||||||
_array[line] = _array[line + 1];
|
|
||||||
} else {
|
|
||||||
for (int line = end; line >= start + 1; line--)
|
|
||||||
_array[line] = _array[line - 1];
|
|
||||||
}
|
|
||||||
|
|
||||||
_clear_line(yanked_line);
|
|
||||||
|
|
||||||
_array[up ? end: start] = yanked_line;
|
|
||||||
|
|
||||||
_mark_lines_as_dirty(start, end);
|
|
||||||
}
|
|
||||||
|
|
||||||
public:
|
|
||||||
|
|
||||||
Char_cell_array(unsigned num_cols, unsigned num_lines,
|
|
||||||
Genode::Allocator *alloc)
|
|
||||||
:
|
|
||||||
_num_cols(num_cols),
|
|
||||||
_num_lines(num_lines),
|
|
||||||
_alloc(alloc)
|
|
||||||
{
|
|
||||||
_array = new (alloc) Char_cell_line[num_lines];
|
|
||||||
|
|
||||||
_line_dirty = new (alloc) bool[num_lines];
|
|
||||||
for (unsigned i = 0; i < num_lines; i++)
|
|
||||||
_line_dirty[i] = false;
|
|
||||||
|
|
||||||
for (unsigned i = 0; i < num_lines; i++)
|
|
||||||
_array[i] = new (alloc) Char_cell[num_cols];
|
|
||||||
}
|
|
||||||
|
|
||||||
void set_cell(int column, int line, Char_cell cell)
|
|
||||||
{
|
|
||||||
_array[line][column] = cell;
|
|
||||||
_line_dirty[line] = true;
|
|
||||||
}
|
|
||||||
|
|
||||||
Char_cell get_cell(int column, int line)
|
|
||||||
{
|
|
||||||
return _array[line][column];
|
|
||||||
}
|
|
||||||
|
|
||||||
bool line_dirty(int line) { return _line_dirty[line]; }
|
|
||||||
|
|
||||||
void mark_line_as_clean(int line)
|
|
||||||
{
|
|
||||||
_line_dirty[line] = false;
|
|
||||||
}
|
|
||||||
|
|
||||||
void scroll_up(int region_start, int region_end)
|
|
||||||
{
|
|
||||||
_scroll_vertically(region_start, region_end, true);
|
|
||||||
}
|
|
||||||
|
|
||||||
void scroll_down(int region_start, int region_end)
|
|
||||||
{
|
|
||||||
_scroll_vertically(region_start, region_end, false);
|
|
||||||
}
|
|
||||||
|
|
||||||
void clear(int region_start, int region_end)
|
|
||||||
{
|
|
||||||
for (int line = region_start; line <= region_end; line++)
|
|
||||||
_clear_line(_array[line]);
|
|
||||||
|
|
||||||
_mark_lines_as_dirty(region_start, region_end);
|
|
||||||
}
|
|
||||||
|
|
||||||
void cursor(Terminal::Position pos, bool enable, bool mark_dirty = false)
|
|
||||||
{
|
|
||||||
Char_cell &cell = _array[pos.y][pos.x];
|
|
||||||
|
|
||||||
if (enable)
|
|
||||||
cell.set_cursor();
|
|
||||||
else
|
|
||||||
cell.clear_cursor();
|
|
||||||
|
|
||||||
if (mark_dirty)
|
|
||||||
_line_dirty[pos.y] = true;
|
|
||||||
}
|
|
||||||
|
|
||||||
unsigned num_cols() { return _num_cols; }
|
|
||||||
unsigned num_lines() { return _num_lines; }
|
|
||||||
};
|
|
||||||
|
|
||||||
|
|
||||||
class Char_cell_array_character_screen : public Terminal::Character_screen
|
class Char_cell_array_character_screen : public Terminal::Character_screen
|
||||||
{
|
{
|
||||||
private:
|
private:
|
||||||
@ -304,7 +155,7 @@ class Char_cell_array_character_screen : public Terminal::Character_screen
|
|||||||
CURSOR_VISIBLE,
|
CURSOR_VISIBLE,
|
||||||
CURSOR_VERY_VISIBLE };
|
CURSOR_VERY_VISIBLE };
|
||||||
|
|
||||||
Char_cell_array &_char_cell_array;
|
Cell_array<Char_cell> &_char_cell_array;
|
||||||
Terminal::Boundary _boundary;
|
Terminal::Boundary _boundary;
|
||||||
Terminal::Position _cursor_pos;
|
Terminal::Position _cursor_pos;
|
||||||
int _color_index;
|
int _color_index;
|
||||||
@ -348,7 +199,7 @@ class Char_cell_array_character_screen : public Terminal::Character_screen
|
|||||||
|
|
||||||
public:
|
public:
|
||||||
|
|
||||||
Char_cell_array_character_screen(Char_cell_array &char_cell_array)
|
Char_cell_array_character_screen(Cell_array<Char_cell> &char_cell_array)
|
||||||
:
|
:
|
||||||
_char_cell_array(char_cell_array),
|
_char_cell_array(char_cell_array),
|
||||||
_boundary(_char_cell_array.num_cols(), _char_cell_array.num_lines()),
|
_boundary(_char_cell_array.num_cols(), _char_cell_array.num_lines()),
|
||||||
@ -492,15 +343,8 @@ class Char_cell_array_character_screen : public Terminal::Character_screen
|
|||||||
_cursor_pos = Terminal::Position(x, y);
|
_cursor_pos = Terminal::Position(x, y);
|
||||||
}
|
}
|
||||||
|
|
||||||
void cuu1()
|
void cuu1() { PWRN("not implemented"); }
|
||||||
{
|
void dch(int) { PDBG("not implemented"); }
|
||||||
PWRN("not implemented");
|
|
||||||
}
|
|
||||||
|
|
||||||
void dch(int)
|
|
||||||
{
|
|
||||||
PDBG("not implemented");
|
|
||||||
}
|
|
||||||
|
|
||||||
void dl(int num_lines)
|
void dl(int num_lines)
|
||||||
{
|
{
|
||||||
@ -532,10 +376,7 @@ class Char_cell_array_character_screen : public Terminal::Character_screen
|
|||||||
_char_cell_array.set_cell(x, _cursor_pos.y, Char_cell());
|
_char_cell_array.set_cell(x, _cursor_pos.y, Char_cell());
|
||||||
}
|
}
|
||||||
|
|
||||||
void el1()
|
void el1() { PDBG("not implemented"); }
|
||||||
{
|
|
||||||
PDBG("not implemented");
|
|
||||||
}
|
|
||||||
|
|
||||||
void home()
|
void home()
|
||||||
{
|
{
|
||||||
@ -552,15 +393,8 @@ class Char_cell_array_character_screen : public Terminal::Character_screen
|
|||||||
_cursor_pos.x = Genode::min(_boundary.width - 1, _cursor_pos.x);
|
_cursor_pos.x = Genode::min(_boundary.width - 1, _cursor_pos.x);
|
||||||
}
|
}
|
||||||
|
|
||||||
void hts()
|
void hts() { PDBG("not implemented"); }
|
||||||
{
|
void ich(int) { PDBG("not implemented"); }
|
||||||
PDBG("not implemented");
|
|
||||||
}
|
|
||||||
|
|
||||||
void ich(int)
|
|
||||||
{
|
|
||||||
PDBG("not implemented");
|
|
||||||
}
|
|
||||||
|
|
||||||
void il(int value)
|
void il(int value)
|
||||||
{
|
{
|
||||||
@ -577,40 +411,18 @@ class Char_cell_array_character_screen : public Terminal::Character_screen
|
|||||||
_char_cell_array.cursor(_cursor_pos, true);
|
_char_cell_array.cursor(_cursor_pos, true);
|
||||||
}
|
}
|
||||||
|
|
||||||
void oc()
|
void oc() { PDBG("not implemented"); }
|
||||||
{
|
|
||||||
PDBG("not implemented");
|
|
||||||
}
|
|
||||||
|
|
||||||
void op()
|
void op()
|
||||||
{
|
{
|
||||||
_color_index = DEFAULT_COLOR_INDEX;
|
_color_index = DEFAULT_COLOR_INDEX;
|
||||||
}
|
}
|
||||||
|
|
||||||
void rc()
|
void rc() { PDBG("not implemented"); }
|
||||||
{
|
void ri() { PDBG("not implemented"); }
|
||||||
PDBG("not implemented");
|
void ris() { PDBG("not implemented"); }
|
||||||
}
|
void rmam() { PDBG("not implemented"); }
|
||||||
|
void rmir() { PDBG("not implemented"); }
|
||||||
void ri()
|
|
||||||
{
|
|
||||||
PDBG("not implemented");
|
|
||||||
}
|
|
||||||
|
|
||||||
void ris()
|
|
||||||
{
|
|
||||||
PDBG("not implemented");
|
|
||||||
}
|
|
||||||
|
|
||||||
void rmam()
|
|
||||||
{
|
|
||||||
PDBG("not implemented");
|
|
||||||
}
|
|
||||||
|
|
||||||
void rmir()
|
|
||||||
{
|
|
||||||
PDBG("not implemented");
|
|
||||||
}
|
|
||||||
|
|
||||||
void setab(int value)
|
void setab(int value)
|
||||||
{
|
{
|
||||||
@ -637,45 +449,14 @@ class Char_cell_array_character_screen : public Terminal::Character_screen
|
|||||||
sgr(0);
|
sgr(0);
|
||||||
}
|
}
|
||||||
|
|
||||||
void sc()
|
void sc() { PDBG("not implemented"); }
|
||||||
{
|
void smam() { PDBG("not implemented"); }
|
||||||
PDBG("not implemented");
|
void smir() { PDBG("not implemented"); }
|
||||||
}
|
void tbc() { PDBG("not implemented"); }
|
||||||
|
void u6(int, int) { PDBG("not implemented"); }
|
||||||
void smam()
|
void u7() { PDBG("not implemented"); }
|
||||||
{
|
void u8() { PDBG("not implemented"); }
|
||||||
PDBG("not implemented");
|
void u9() { PDBG("not implemented"); }
|
||||||
}
|
|
||||||
|
|
||||||
void smir()
|
|
||||||
{
|
|
||||||
PDBG("not implemented");
|
|
||||||
}
|
|
||||||
|
|
||||||
void tbc()
|
|
||||||
{
|
|
||||||
PDBG("not implemented");
|
|
||||||
}
|
|
||||||
|
|
||||||
void u6(int, int)
|
|
||||||
{
|
|
||||||
PDBG("not implemented");
|
|
||||||
}
|
|
||||||
|
|
||||||
void u7()
|
|
||||||
{
|
|
||||||
PDBG("not implemented");
|
|
||||||
}
|
|
||||||
|
|
||||||
void u8()
|
|
||||||
{
|
|
||||||
PDBG("not implemented");
|
|
||||||
}
|
|
||||||
|
|
||||||
void u9()
|
|
||||||
{
|
|
||||||
PDBG("not implemented");
|
|
||||||
}
|
|
||||||
|
|
||||||
void vpa(int y)
|
void vpa(int y)
|
||||||
{
|
{
|
||||||
@ -738,7 +519,7 @@ inline void draw_glyph(Color fg_color,
|
|||||||
|
|
||||||
|
|
||||||
template <typename PT>
|
template <typename PT>
|
||||||
static void convert_char_array_to_pixels(Char_cell_array *cell_array,
|
static void convert_char_array_to_pixels(Cell_array<Char_cell> *cell_array,
|
||||||
PT *fb_base,
|
PT *fb_base,
|
||||||
unsigned fb_width,
|
unsigned fb_width,
|
||||||
unsigned fb_height,
|
unsigned fb_height,
|
||||||
@ -856,7 +637,7 @@ namespace Terminal {
|
|||||||
*/
|
*/
|
||||||
Genode::Lock _lock;
|
Genode::Lock _lock;
|
||||||
|
|
||||||
Char_cell_array _char_cell_array;
|
Cell_array<Char_cell> _char_cell_array;
|
||||||
Char_cell_array_character_screen _char_cell_array_character_screen;
|
Char_cell_array_character_screen _char_cell_array_character_screen;
|
||||||
Terminal::Decoder _decoder;
|
Terminal::Decoder _decoder;
|
||||||
|
|
||||||
@ -1067,291 +848,6 @@ namespace Terminal {
|
|||||||
}
|
}
|
||||||
|
|
||||||
|
|
||||||
enum {
|
|
||||||
BS = 8,
|
|
||||||
ESC = 27,
|
|
||||||
TAB = 9,
|
|
||||||
LF = 10,
|
|
||||||
UE = 252, /* 'ü' */
|
|
||||||
AE = 228, /* 'ä' */
|
|
||||||
OE = 246, /* 'ö' */
|
|
||||||
PAR = 167, /* '§' */
|
|
||||||
DEG = 176, /* '°' */
|
|
||||||
SS = 223, /* 'ß' */
|
|
||||||
};
|
|
||||||
|
|
||||||
|
|
||||||
static unsigned char usenglish_keymap[128] = {
|
|
||||||
0 ,ESC,'1','2','3','4','5','6','7','8','9','0','-','=', BS,TAB,
|
|
||||||
'q','w','e','r','t','y','u','i','o','p','[',']', LF, 0 ,'a','s',
|
|
||||||
'd','f','g','h','j','k','l',';','\'','`', 0, '\\' ,'z','x','c','v',
|
|
||||||
'b','n','m',',','.','/', 0 , 0 , 0 ,' ', 0 , 0 , 0 , 0 , 0 , 0 ,
|
|
||||||
0 , 0 , 0 , 0 , 0 , 0 , 0 ,'7','8','9','-','4','5','6','+','1',
|
|
||||||
'2','3','0',',', 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 ,
|
|
||||||
LF, 0 ,'/', 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 ,
|
|
||||||
};
|
|
||||||
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Mapping from ASCII value to another ASCII value when shift is pressed
|
|
||||||
*
|
|
||||||
* The table does not contain mappings for control characters. The table
|
|
||||||
* entry 0 corresponds to ASCII value 32.
|
|
||||||
*/
|
|
||||||
static unsigned char usenglish_shift[256 - 32] = {
|
|
||||||
/* 32 */ ' ', 0 , 0, 0 , 0 , 0 , 0 ,'"', 0 , 0 , 0 , 0 ,'<','_','>','?',
|
|
||||||
/* 48 */ ')','!','@','#','$','%','^','&','*','(', 0 ,':', 0 ,'+', 0 , 0 ,
|
|
||||||
/* 64 */ 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 ,
|
|
||||||
/* 80 */ 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 ,'{','|','}', 0 , 0 ,
|
|
||||||
/* 96 */ '~','A','B','C','D','E','F','G','H','I','J','K','L','M','N','O',
|
|
||||||
/* 112 */ 'P','Q','R','S','T','U','V','W','X','Y','Z', 0 ,'\\', 0 , 0 , 0 ,
|
|
||||||
};
|
|
||||||
|
|
||||||
|
|
||||||
static unsigned char german_keymap[128] = {
|
|
||||||
0 ,ESC,'1','2','3','4','5','6','7','8','9','0', SS, 39, BS,TAB,
|
|
||||||
'q','w','e','r','t','z','u','i','o','p', UE,'+', LF, 0 ,'a','s',
|
|
||||||
'd','f','g','h','j','k','l', OE, AE,'^', 0 ,'#','y','x','c','v',
|
|
||||||
'b','n','m',',','.','-', 0 ,'*', 0 ,' ', 0 , 0 , 0 , 0 , 0 , 0 ,
|
|
||||||
0 , 0 , 0 , 0 , 0 , 0 , 0 ,'7','8','9','-','4','5','6','+','1',
|
|
||||||
'2','3','0',',', 0 , 0 ,'<', 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 ,
|
|
||||||
LF, 0 ,'/', 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 ,
|
|
||||||
};
|
|
||||||
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Mapping from ASCII value to another ASCII value when shift is pressed
|
|
||||||
*
|
|
||||||
* The table does not contain mappings for control characters. The table
|
|
||||||
* entry 0 corresponds to ASCII value 32.
|
|
||||||
*/
|
|
||||||
static unsigned char german_shift[256 - 32] = {
|
|
||||||
/* 32 */ ' ', 0 , 0, 39 , 0 , 0 , 0 ,'`', 0 , 0 , 0 ,'*',';','_',':', 0 ,
|
|
||||||
/* 48 */ '=','!','"',PAR,'$','%','&','/','(',')', 0 , 0 ,'>', 0 , 0 , 0 ,
|
|
||||||
/* 64 */ 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 ,
|
|
||||||
/* 80 */ 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 ,DEG, 0 ,
|
|
||||||
/* 96 */ 0 ,'A','B','C','D','E','F','G','H','I','J','K','L','M','N','O',
|
|
||||||
/* 112 */ 'P','Q','R','S','T','U','V','W','X','Y','Z', 0 , 0 , 0 , 0 , 0 ,
|
|
||||||
/* 128 */ 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 ,
|
|
||||||
/* 144 */ 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 ,
|
|
||||||
/* 160 */ 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 ,
|
|
||||||
/* 176 */ 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 ,
|
|
||||||
/* 192 */ 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 ,
|
|
||||||
/* 208 */ 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 ,'?',
|
|
||||||
};
|
|
||||||
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Mapping from ASCII value to another ASCII value when altgr is pressed
|
|
||||||
*/
|
|
||||||
static unsigned char german_altgr[256 - 32] = {
|
|
||||||
/* 32 */ 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 ,'~', 0 , 0 , 0 , 0 ,
|
|
||||||
/* 48 */'}', 0 ,178,179, 0 , 0 , 0 ,'{','[',']', 0 , 0 ,'|', 0 , 0 , 0 ,
|
|
||||||
/* 64 */ 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 ,
|
|
||||||
/* 80 */ 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 ,
|
|
||||||
/* 96 */ 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 ,
|
|
||||||
/* 112 */ 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 ,
|
|
||||||
/* 128 */ 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 ,
|
|
||||||
/* 144 */ 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 ,
|
|
||||||
/* 160 */ 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 ,
|
|
||||||
/* 176 */ 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 ,
|
|
||||||
/* 192 */ 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 ,
|
|
||||||
/* 208 */ 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 ,'\\',
|
|
||||||
};
|
|
||||||
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Mapping from ASCII value to value reported when control is pressed
|
|
||||||
*
|
|
||||||
* The table starts with ASCII value 32.
|
|
||||||
*/
|
|
||||||
static unsigned char control[256 - 32] = {
|
|
||||||
/* 32 */ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
|
||||||
/* 48 */ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
|
||||||
/* 64 */ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
|
||||||
/* 80 */ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
|
||||||
/* 96 */ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
|
|
||||||
/* 112 */ 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 0, 0, 0, 0, 0, 0,
|
|
||||||
};
|
|
||||||
|
|
||||||
|
|
||||||
/**
|
|
||||||
* State machine that translates keycode sequences to terminal characters
|
|
||||||
*/
|
|
||||||
class Scancode_tracker
|
|
||||||
{
|
|
||||||
private:
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Tables containing the scancode-to-character mapping
|
|
||||||
*/
|
|
||||||
unsigned char const *_keymap;
|
|
||||||
unsigned char const *_shift;
|
|
||||||
unsigned char const *_altgr;
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Current state of modifer keys
|
|
||||||
*/
|
|
||||||
bool _mod_shift;
|
|
||||||
bool _mod_control;
|
|
||||||
bool _mod_altgr;
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Currently pressed key, or 0 if no normal key (one that can be
|
|
||||||
* encoded in a single 'char') is pressed
|
|
||||||
*/
|
|
||||||
unsigned char _last_character;
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Currently pressed special key (a key that corresponds to an escape
|
|
||||||
* sequence), or no if no special key is pressed
|
|
||||||
*/
|
|
||||||
char const *_last_sequence;
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Convert keycode to terminal character
|
|
||||||
*/
|
|
||||||
unsigned char _keycode_to_latin1(int keycode)
|
|
||||||
{
|
|
||||||
if (keycode >= 112) return 0;
|
|
||||||
|
|
||||||
unsigned ch = _keymap[keycode];
|
|
||||||
|
|
||||||
if (ch < 32)
|
|
||||||
return ch;
|
|
||||||
|
|
||||||
/* all ASCII-to-ASCII table start at index 32 */
|
|
||||||
if (_mod_shift || _mod_control || _mod_altgr) {
|
|
||||||
ch -= 32;
|
|
||||||
|
|
||||||
/*
|
|
||||||
* 'ch' is guaranteed to be in the range 0..223. So it is safe to
|
|
||||||
* use it as index into the ASCII-to-ASCII tables.
|
|
||||||
*/
|
|
||||||
|
|
||||||
if (_mod_shift)
|
|
||||||
return _shift[ch];
|
|
||||||
|
|
||||||
if (_mod_control)
|
|
||||||
return control[ch];
|
|
||||||
|
|
||||||
if (_altgr && _mod_altgr)
|
|
||||||
return _altgr[ch];
|
|
||||||
}
|
|
||||||
|
|
||||||
return ch;
|
|
||||||
}
|
|
||||||
|
|
||||||
public:
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Constructor
|
|
||||||
*
|
|
||||||
* \param keymap table for keycode-to-character mapping
|
|
||||||
* \param shift table for character-to-character mapping used when
|
|
||||||
* Shift is pressed
|
|
||||||
* \param altgr table for character-to-character mapping with AltGr
|
|
||||||
* is pressed
|
|
||||||
*/
|
|
||||||
Scancode_tracker(unsigned char const *keymap,
|
|
||||||
unsigned char const *shift,
|
|
||||||
unsigned char const *altgr)
|
|
||||||
:
|
|
||||||
_keymap(keymap),
|
|
||||||
_shift(shift),
|
|
||||||
_altgr(altgr),
|
|
||||||
_mod_shift(false),
|
|
||||||
_mod_control(false),
|
|
||||||
_mod_altgr(false),
|
|
||||||
_last_character(0),
|
|
||||||
_last_sequence(0)
|
|
||||||
{ };
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Submit key event to state machine
|
|
||||||
*
|
|
||||||
* \param press true on press event, false on release event
|
|
||||||
*/
|
|
||||||
void submit(int keycode, bool press)
|
|
||||||
{
|
|
||||||
/* track modifier keys */
|
|
||||||
switch (keycode) {
|
|
||||||
case Input::KEY_LEFTSHIFT:
|
|
||||||
case Input::KEY_RIGHTSHIFT:
|
|
||||||
_mod_shift = press;
|
|
||||||
break;
|
|
||||||
|
|
||||||
case Input::KEY_LEFTCTRL:
|
|
||||||
case Input::KEY_RIGHTCTRL:
|
|
||||||
_mod_control = press;
|
|
||||||
break;
|
|
||||||
|
|
||||||
case Input::KEY_RIGHTALT:
|
|
||||||
_mod_altgr = press;
|
|
||||||
|
|
||||||
default:
|
|
||||||
break;
|
|
||||||
}
|
|
||||||
|
|
||||||
/* reset information about the currently pressed key */
|
|
||||||
_last_character = 0;
|
|
||||||
_last_sequence = 0;
|
|
||||||
|
|
||||||
if (!press) return;
|
|
||||||
|
|
||||||
/* convert key codes to ASCII */
|
|
||||||
_last_character = _keycode_to_latin1(keycode);
|
|
||||||
|
|
||||||
/* handle special key to be represented by an escape sequence */
|
|
||||||
if (!_last_character) {
|
|
||||||
switch (keycode) {
|
|
||||||
case Input::KEY_DOWN: _last_sequence = "\E[B"; break;
|
|
||||||
case Input::KEY_UP: _last_sequence = "\E[A"; break;
|
|
||||||
case Input::KEY_RIGHT: _last_sequence = "\E[C"; break;
|
|
||||||
case Input::KEY_LEFT: _last_sequence = "\E[D"; break;
|
|
||||||
case Input::KEY_HOME: _last_sequence = "\E[1~"; break;
|
|
||||||
case Input::KEY_INSERT: _last_sequence = "\E[2~"; break;
|
|
||||||
case Input::KEY_DELETE: _last_sequence = "\E[3~"; break;
|
|
||||||
case Input::KEY_END: _last_sequence = "\E[4~"; break;
|
|
||||||
case Input::KEY_PAGEUP: _last_sequence = "\E[5~"; break;
|
|
||||||
case Input::KEY_PAGEDOWN: _last_sequence = "\E[6~"; break;
|
|
||||||
case Input::KEY_F1: _last_sequence = "\E[[A"; break;
|
|
||||||
case Input::KEY_F2: _last_sequence = "\E[[B"; break;
|
|
||||||
case Input::KEY_F3: _last_sequence = "\E[[C"; break;
|
|
||||||
case Input::KEY_F4: _last_sequence = "\E[[D"; break;
|
|
||||||
case Input::KEY_F5: _last_sequence = "\E[[E"; break;
|
|
||||||
case Input::KEY_F6: _last_sequence = "\E[17~"; break;
|
|
||||||
case Input::KEY_F7: _last_sequence = "\E[18~"; break;
|
|
||||||
case Input::KEY_F8: _last_sequence = "\E[19~"; break;
|
|
||||||
case Input::KEY_F9: _last_sequence = "\E[20~"; break;
|
|
||||||
case Input::KEY_F10: _last_sequence = "\E[21~"; break;
|
|
||||||
case Input::KEY_F11: _last_sequence = "\E[23~"; break;
|
|
||||||
case Input::KEY_F12: _last_sequence = "\E[24~"; break;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Output currently pressed key to read buffer
|
|
||||||
*/
|
|
||||||
void emit_current_character(Read_buffer &read_buffer)
|
|
||||||
{
|
|
||||||
if (_last_character)
|
|
||||||
read_buffer.add(_last_character);
|
|
||||||
|
|
||||||
if (_last_sequence)
|
|
||||||
read_buffer.add(_last_sequence);
|
|
||||||
}
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Return true if there is a currently pressed key
|
|
||||||
*/
|
|
||||||
bool valid() const
|
|
||||||
{
|
|
||||||
return (_last_sequence || _last_character);
|
|
||||||
}
|
|
||||||
};
|
|
||||||
|
|
||||||
|
|
||||||
int main(int, char **)
|
int main(int, char **)
|
||||||
{
|
{
|
||||||
@ -1376,7 +872,7 @@ int main(int, char **)
|
|||||||
static Sliced_heap sliced_heap(env()->ram_session(), env()->rm_session());
|
static Sliced_heap sliced_heap(env()->ram_session(), env()->rm_session());
|
||||||
|
|
||||||
/* input read buffer */
|
/* input read buffer */
|
||||||
static Read_buffer read_buffer;
|
static Terminal::Read_buffer read_buffer;
|
||||||
|
|
||||||
/* initialize color palette */
|
/* initialize color palette */
|
||||||
color_palette[0] = Color( 0, 0, 0); /* black */
|
color_palette[0] = Color( 0, 0, 0); /* black */
|
||||||
@ -1437,8 +933,8 @@ int main(int, char **)
|
|||||||
static int const repeat_rate = 25;
|
static int const repeat_rate = 25;
|
||||||
static int repeat_cnt = 0;
|
static int repeat_cnt = 0;
|
||||||
|
|
||||||
unsigned char *keymap = usenglish_keymap;
|
unsigned char *keymap = Terminal::usenglish_keymap;
|
||||||
unsigned char *shift = usenglish_shift;
|
unsigned char *shift = Terminal::usenglish_shift;
|
||||||
unsigned char *altgr = 0;
|
unsigned char *altgr = 0;
|
||||||
|
|
||||||
/*
|
/*
|
||||||
@ -1448,13 +944,14 @@ int main(int, char **)
|
|||||||
if (config()->xml_node().sub_node("keyboard")
|
if (config()->xml_node().sub_node("keyboard")
|
||||||
.attribute("layout").has_value("de")) {
|
.attribute("layout").has_value("de")) {
|
||||||
|
|
||||||
keymap = german_keymap;
|
keymap = Terminal::german_keymap;
|
||||||
shift = german_shift;
|
shift = Terminal::german_shift;
|
||||||
altgr = german_altgr;
|
altgr = Terminal::german_altgr;
|
||||||
}
|
}
|
||||||
} catch (...) { }
|
} catch (...) { }
|
||||||
|
|
||||||
static Scancode_tracker scancode_tracker(keymap, shift, altgr);
|
static Terminal::Scancode_tracker
|
||||||
|
scancode_tracker(keymap, shift, altgr, Terminal::control);
|
||||||
|
|
||||||
while (1) {
|
while (1) {
|
||||||
|
|
||||||
|
|||||||
Reference in New Issue
Block a user