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LibVT: Implement switching between 80/132 column modes (DECCOLM)

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This gets us past a few more screens in vttest. :^)
This commit is contained in:
Andreas Kling 2021-02-20 16:58:34 +01:00
parent 8c9ae4e537
commit 81b21504a7
Notes: sideshowbarker 2024-07-18 22:06:02 +09:00
1 changed files with 9 additions and 0 deletions
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9
Userland/Libraries/LibVT/Terminal.cpp
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@ -88,6 +88,14 @@ void Terminal::alter_mode(bool should_set, bool question_param, const ParamVecto
}
} else {
switch (mode) {
case 3: {
// 80/132-column mode (DECCOLM)
unsigned new_columns = should_set ? 80 : 132;
dbgln("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)
@ -97,6 +105,7 @@ void Terminal::alter_mode(bool should_set, bool question_param, const ParamVecto
dbgln("Terminal: Show Cursor escapecode received. Not needed: ignored.");
break;
default:
dbgln("Set Mode: Unimplemented mode {}", mode);
break;
}
}