Keith Winstein
86 lines
2.0 KiB
C++
86 lines
2.0 KiB
C++
#include <unistd.h>
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#include "terminal.hpp"
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using namespace Terminal;
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void Emulator::CSI_EL( void )
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{
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if ( params == "1" ) { /* start of screen to active position, inclusive */
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for ( int x = 0; x <= cursor_col; x++ ) {
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if ( x < width ) {
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rows[ cursor_row ].cells[ x ].reset();
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}
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}
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} else if ( params == "2" ) { /* all of line */
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rows[ cursor_row ] = Row( width );
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} else { /* active position to end of line, inclusive */
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for ( int x = cursor_col; x < width; x++ ) {
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rows[ cursor_row ].cells[ x ].reset();
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}
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}
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}
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void Emulator::CSI_ED( void ) {
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if ( params == "1" ) { /* start of screen to active position, inclusive */
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for ( int y = 0; y < cursor_row; y++ ) {
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for ( int x = 0; x < width; x++ ) {
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rows[ y ].cells[ x ].reset();
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}
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}
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for ( int x = 0; x <= cursor_col; x++ ) {
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if ( x < width ) {
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rows[ cursor_row ].cells[ x ].reset();
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}
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}
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} else if ( params == "2" ) { /* entire screen */
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for ( int y = 0; y < height; y++ ) {
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for ( int x = 0; x < width; x++ ) {
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rows[ y ].cells[ x ].reset();
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}
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}
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} else { /* active position to end of screen, inclusive */
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for ( int x = cursor_col; x < width; x++ ) {
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rows[ cursor_row ].cells[ x ].reset();
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}
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for ( int y = cursor_row + 1; y < height; y++ ) {
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for ( int x = 0; x < width; x++ ) {
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rows[ y ].cells[ x ].reset();
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}
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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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parse_params();
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int num = getparam( 0, 1 );
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switch ( dispatch_chars[ 0 ] ) {
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case 'A':
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cursor_row -= num;
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break;
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case 'B':
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cursor_row += num;
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break;
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case 'C':
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cursor_col += num;
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break;
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case 'D':
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cursor_col -= num;
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break;
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case 'H':
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int x = getparam( 0, 1 );
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int y = getparam( 1, 1 );
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cursor_row = x - 1;
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cursor_col = y - 1;
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}
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if ( cursor_row < 0 ) cursor_row = 0;
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if ( cursor_row >= height ) cursor_row = height - 1;
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if ( cursor_col < 0 ) cursor_col = 0;
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if ( cursor_col >= width ) cursor_col = width - 1;
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newgrapheme();
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}
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