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LibVT: Support RGB colors (\x1b[38;2;<r>;<g>;<b>m)

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AnotherTest 2020-05-10 12:11:03 +04:30 • committed by Andreas Kling
parent ccdef5a675
commit 8487806ec0
4 changed files with 48 additions and 22 deletions
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42
Libraries/LibVT/Terminal.cpp
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@ -174,13 +174,37 @@ void Terminal::SGR(const ParamVector& params)
m_current_attribute.reset();
return;
}
if (params.size() == 3 && params[1] == 5) {
if (params[0] == 38) {
m_current_attribute.foreground_color = params[2];
return;
} else if (params[0] == 48) {
m_current_attribute.background_color = params[2];
return;
if (params.size() >= 3) {
bool should_set = true;
auto kind = params[1];
u32 color = 0;
switch (kind) {
case 5: // 8-bit
color = xterm_colors[params[2]];
break;
case 2: // 24-bit
for (size_t i = 0; i < 3; ++i) {
u8 component = 0;
if (params.size() - 2 > i) {
component = params[i + 2];
}
color <<= 8;
color |= component;
}
break;
default:
should_set = false;
break;
}
if (should_set) {
if (params[0] == 38) {
m_current_attribute.foreground_color = color;
return;
} else if (params[0] == 48) {
m_current_attribute.background_color = color;
return;
}
}
}
for (auto param : params) {
@ -230,7 +254,7 @@ void Terminal::SGR(const ParamVector& params)
// Foreground color
if (m_current_attribute.flags & Attribute::Bold)
param += 8;
m_current_attribute.foreground_color = param - 30;
m_current_attribute.foreground_color = xterm_colors[param - 30];
break;
case 39:
// reset foreground
@ -247,7 +271,7 @@ void Terminal::SGR(const ParamVector& params)
// Background color
if (m_current_attribute.flags & Attribute::Bold)
param += 8;
m_current_attribute.background_color = param - 40;
m_current_attribute.background_color = xterm_colors[param - 40];
break;
case 49:
// reset background