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LibVT: fix SM/RM not respecting private markers

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Since we now store intermediate characters separately, the intermediates
should be checked for the presence of the '?' DEC private marker, not
the first parameter.
This commit is contained in:
Daniel Bertalan 2021-05-15 14:58:24 +02:00 • committed by Andreas Kling
parent be519022c3
commit e0b6cfec1a
2 changed files with 40 additions and 50 deletions
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84
Userland/Libraries/LibVT/Terminal.cpp
View file

@ -39,62 +39,52 @@ void Terminal::clear_including_history()
m_client.terminal_history_changed();
}
void Terminal::alter_mode(bool should_set, bool question_param, Parameters params)
void Terminal::alter_mode(bool should_set, Parameters params, Intermediates intermediates)
{
int mode = 2;
if (params.size() > 0) {
mode = params[0];
}
if (!question_param) {
switch (mode) {
// FIXME: implement *something* for this
default:
dbgln("Terminal::alter_mode: Unimplemented mode {} (set={})", mode, should_set);
break;
if (intermediates.size() > 0 && intermediates[0] == '?') {
for (auto mode : params) {
switch (mode) {
case 3: {
// 80/132-column mode (DECCOLM)
unsigned new_columns = should_set ? 80 : 132;
dbgln_if(TERMINAL_DEBUG, "Setting {}-column mode", new_columns);
set_size(new_columns, rows());
clear();
break;
}
case 25:
// Hide cursor command, but doesn't need to be run (for now, because
// we don't do inverse control codes anyways)
if (should_set)
dbgln("Terminal: Hide Cursor escapecode received. Not needed: ignored.");
else
dbgln("Terminal: Show Cursor escapecode received. Not needed: ignored.");
break;
default:
dbgln("Terminal::alter_mode: Unimplemented private mode {}", mode);
break;
}
}
} else {
switch (mode) {
case 3: {
// 80/132-column mode (DECCOLM)
unsigned new_columns = should_set ? 80 : 132;
dbgln_if(TERMINAL_DEBUG, "Setting {}-column mode", new_columns);
set_size(new_columns, rows());
clear();
break;
}
case 25:
// Hide cursor command, but doesn't need to be run (for now, because
// we don't do inverse control codes anyways)
if (should_set)
dbgln("Terminal: Hide Cursor escapecode received. Not needed: ignored.");
else
dbgln("Terminal: Show Cursor escapecode received. Not needed: ignored.");
break;
default:
dbgln("Terminal::alter_mode: Unimplemented private mode {}", mode);
break;
for (auto mode : params) {
switch (mode) {
// FIXME: implement *something* for this
default:
dbgln("Terminal::alter_mode: Unimplemented mode {} (set={})", mode, should_set);
break;
}
}
}
}
void Terminal::RM(Parameters params)
void Terminal::RM(Parameters params, Intermediates intermediates)
{
bool question_param = false;
if (params.size() > 0 && params[0] == '?') {
question_param = true;
params = params.slice(1);
}
alter_mode(true, question_param, params);
alter_mode(true, params, intermediates);
}
void Terminal::SM(Parameters params)
void Terminal::SM(Parameters params, Intermediates intermediates)
{
bool question_param = false;
if (params.size() > 0 && params[0] == '?') {
question_param = true;
params = params.slice(1);
}
alter_mode(false, question_param, params);
alter_mode(false, params, intermediates);
}
void Terminal::SGR(Parameters params)
@ -804,10 +794,10 @@ void Terminal::execute_csi_sequence(Parameters parameters, Intermediates interme
DECSTBM(parameters);
break;
case 'l':
RM(parameters);
RM(parameters, intermediates);
break;
case 'h':
SM(parameters);
SM(parameters, intermediates);
break;
case 'c':
DA(parameters);

6
Userland/Libraries/LibVT/Terminal.h
View file

@ -133,7 +133,7 @@ private:
void emit_string(const StringView&);
void alter_mode(bool should_set, bool question_param, Parameters);
void alter_mode(bool should_set, Parameters, Intermediates);
// CUU – Cursor Up
void CUU(Parameters);
@ -169,10 +169,10 @@ private:
void DECSTBM(Parameters);
// RM – Reset Mode
void RM(Parameters);
void RM(Parameters, Intermediates);
// SM – Set Mode
void SM(Parameters);
void SM(Parameters, Intermediates);
// DA - Device Attributes
void DA(Parameters);