namespace
{
char const* const compositor_option = "custom-compositor";
char const* const compositor_description = "Select an alterative compositor [{adorning|default}]";
char const* const compositor_adorning = "adorning";
char const* const compositor_default = "default";
char const* const background_option = "background-color";
char const* const background_description =
"fill the background of the adorning compositor with a color [{purple|blue|grey|black}]";
char const* const background_purple = "purple";
char const* const background_blue = "blue";
char const* const background_grey = "grey";
char const* const background_black = "black";
{
public:
AdorningDisplayBufferCompositorFactory(std::tuple<float, float, float> const& rgb_color) :
color(rgb_color)
{
}
{
return std::make_unique<me::AdorningDisplayBufferCompositor>(display_buffer, color);
}
private:
std::tuple<float, float, float> const color;
};
}
{
server.add_configuration_option(compositor_option, compositor_description, compositor_default);
server.add_configuration_option(background_option, background_description, background_black);
server.wrap_display_buffer_compositor_factory(
[server](std::shared_ptr<mc::DisplayBufferCompositorFactory> const& factory)
-> std::shared_ptr<mc::DisplayBufferCompositorFactory>
{
auto const selection = server.get_options()->get<std::string>(compositor_option);
auto const color_name = server.get_options()->get<std::string>(background_option);
if (selection == compositor_adorning)
{
std::tuple<float, float, float> color;
if (color_name == background_blue)
color = std::make_tuple(0.4, 0.5, 1.0);
else if (color_name == background_grey)
color = std::make_tuple(0.3, 0.3, 0.3);
else if (color_name == background_purple)
color = std::make_tuple(0.8, 0.5, 0.8);
else if (color_name == background_black)
color = std::make_tuple(0.0, 0.0, 0.0);
else
return std::make_shared<AdorningDisplayBufferCompositorFactory>(color);
}
else if (selection == compositor_default)
{
if (color_name != background_black)
throw mir::AbnormalExit(
"default compositor can only set background color to black");
return factory;
}
});
}