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Support insert mode and erase character

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This commit is contained in:
Keith Winstein
2011-02-01 02:11:46 -05:00
parent f2d4f1d227
commit 39dfccf450
4 changed files with 56 additions and 1 deletions
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terminalfunctions.cpp
+47
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@@ -249,6 +249,39 @@ void CSI_DECRM( Framebuffer *fb, Dispatcher *dispatch )
static Function func_CSI_DECSM( CSI, "?h", CSI_DECSM );
static Function func_CSI_DECRM( CSI, "?l", CSI_DECRM );
static bool *get_ANSI_mode( int param, Framebuffer *fb ) {
switch ( param ) {
case 4: /* insert/replace mode */
return &(fb->ds.insert_mode);
}
return NULL;
}
/* set mode */
void CSI_SM( Framebuffer *fb, Dispatcher *dispatch )
{
for ( int i = 0; i < dispatch->param_count(); i++ ) {
bool *mode = get_ANSI_mode( dispatch->getparam( i, 0 ), fb );
if ( mode ) {
*mode = true;
}
}
}
/* clear mode */
void CSI_RM( Framebuffer *fb, Dispatcher *dispatch )
{
for ( int i = 0; i < dispatch->param_count(); i++ ) {
bool *mode = get_ANSI_mode( dispatch->getparam( i, 0 ), fb );
if ( mode ) {
*mode = false;
}
}
}
static Function func_CSI_SM( CSI, "h", CSI_SM );
static Function func_CSI_RM( CSI, "l", CSI_RM );
/* set top and bottom margins */
void CSI_DECSTBM( Framebuffer *fb, Dispatcher *dispatch )
{
@@ -392,3 +425,17 @@ void CSI_HPA( Framebuffer *fb, Dispatcher *dispatch )
static Function func_CSI_CHA( CSI, "G", CSI_HPA ); /* ECMA-48 name: CHA */
static Function func_CSI_HPA( CSI, "\x60", CSI_HPA ); /* ECMA-48 name: HPA */
/* erase character */
void CSI_ECH( Framebuffer *fb, Dispatcher *dispatch )
{
int num = dispatch->getparam( 0, 1 );
int limit = fb->ds.get_cursor_col() + num;
if ( limit >= fb->ds.get_width() ) {
limit = fb->ds.get_width() - 1;
}
clearline( fb, -1, fb->ds.get_cursor_col(), limit );
}
static Function func_CSI_ECH( CSI, "X", CSI_ECH );