mirror of https://github.com/polybar/polybar.git
56 lines
1.9 KiB
C++
56 lines
1.9 KiB
C++
#include "modules/tray.hpp"
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#include "modules/meta/base.inl"
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#include "x11/background_manager.hpp"
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POLYBAR_NS
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namespace modules {
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template class module<tray_module>;
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tray_module::tray_module(const bar_settings& bar_settings, string name_, const config& config)
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: static_module<tray_module>(bar_settings, std::move(name_), config)
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, m_tray(connection::make(), signal_emitter::make(), m_log, bar_settings, [&] { this->broadcast(); }) {
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m_formatter->add(DEFAULT_FORMAT, TAG_TRAY, {TAG_TRAY});
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/* There are a bunch of edge cases with regards to tray visiblity when the
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* <tray> tag is not there (in that case the tray icons should under no
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* circumnstances appear). To avoid this, we simply disallow the situation.
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* The module is basically useless without that tag anyway.
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*/
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if (!m_formatter->has(TAG_TRAY, DEFAULT_FORMAT)) {
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throw module_error("The " + std::string(TAG_TRAY) + " tag is required in " + name() + "." + DEFAULT_FORMAT);
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}
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// Otherwise the tray does not see the initial module visibility
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m_tray.change_visibility(visible());
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}
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string tray_module::get_format() const {
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return DEFAULT_FORMAT;
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}
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void tray_module::set_visible(bool value) {
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m_tray.change_visibility(value);
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static_module<tray_module>::set_visible(value);
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}
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void tray_module::start() {
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m_tray.setup(m_conf, name());
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this->static_module<tray_module>::start();
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}
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bool tray_module::build(builder* builder, const string& tag) const {
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// Don't produce any output if the tray is empty so that the module can be hidden
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if (tag == TAG_TRAY && m_tray.get_width() > 0) {
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builder->control(tags::controltag::t);
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extent_val offset_extent = {extent_type::PIXEL, static_cast<float>(m_tray.get_width())};
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builder->offset(offset_extent);
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return true;
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}
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return false;
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}
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} // namespace modules
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POLYBAR_NS_END
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