Keith Winstein
87 lines
2.2 KiB
C++
87 lines
2.2 KiB
C++
#include <unistd.h>
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#include "terminal.hpp"
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using namespace Terminal;
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static void clearline( Framebuffer *fb, int row, int start, int end )
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{
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for ( int col = start; col <= end; col++ ) {
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fb->get_cell( row, col )->reset();
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}
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}
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void Emulator::CSI_EL( void )
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{
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/* default: active position to end of line, inclusive */
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int start = fb.ds.get_cursor_col(), end = fb.ds.get_width() - 1;
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if ( dispatch.params == "1" ) { /* start of screen to active position, inclusive */
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start = 0;
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end = fb.ds.get_cursor_col();
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} else if ( dispatch.params == "2" ) { /* all of line */
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start = 0;
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}
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clearline( &fb, -1, start, end );
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}
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void Emulator::CSI_ED( void ) {
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if ( dispatch.params == "1" ) { /* start of screen to active position, inclusive */
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for ( int y = 0; y < fb.ds.get_cursor_row(); y++ ) {
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clearline( &fb, y, 0, fb.ds.get_width() - 1 );
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}
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clearline( &fb, -1, 0, fb.ds.get_cursor_col() );
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} else if ( dispatch.params == "2" ) { /* entire screen */
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for ( int y = 0; y < fb.ds.get_height(); y++ ) {
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clearline( &fb, y, 0, fb.ds.get_width() - 1 );
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}
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} else { /* active position to end of screen, inclusive */
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clearline( &fb, -1, fb.ds.get_cursor_col(), fb.ds.get_width() - 1 );
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for ( int y = fb.ds.get_cursor_row() + 1; y < fb.ds.get_height(); y++ ) {
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clearline( &fb, y, 0, fb.ds.get_width() - 1 );
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}
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}
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}
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void Emulator::CSI_cursormove( void )
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{
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int num = dispatch.getparam( 0, 1 );
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switch ( dispatch.dispatch_chars[ 0 ] ) {
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case 'A':
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fb.ds.move_row( -num, true );
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break;
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case 'B':
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fb.ds.move_row( num, true );
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break;
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case 'C':
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fb.ds.move_col( num, true );
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break;
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case 'D':
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fb.ds.move_col( -num, true );
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break;
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case 'H':
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case 'f':
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int x = dispatch.getparam( 0, 1 );
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int y = dispatch.getparam( 1, 1 );
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fb.ds.move_row( x - 1 );
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fb.ds.move_col( y - 1 );
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}
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}
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void Emulator::CSI_DA( void )
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{
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terminal_to_host.append( "\033[?1;0c" );
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}
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void Emulator::Esc_DECALN( void )
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{
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for ( int y = 0; y < fb.ds.get_height(); y++ ) {
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for ( int x = 0; x < fb.ds.get_width(); x++ ) {
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fb.get_cell( y, x )->reset();
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fb.get_cell( y, x )->contents.push_back( L'E' );
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}
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}
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}
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