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fix(tray): fix transparency after background manager changes

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The systray only supports pseudo transparency (real transparency would require
much larger changes) so the real transparency should only be used for the bar itself.
This commit is contained in:
Benno Fünfstück
2018-07-06 15:19:12 +02:00
committed by Patrick Ziegler
parent 061fe83b2f
commit eacf5ce5ba
4 changed files with 22 additions and 32 deletions
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21
src/components/renderer.cpp
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@ -175,6 +175,8 @@ renderer::renderer(
m_comp_ul = m_conf.get<cairo_operator_t>("settings", "compositing-underline", m_comp_ul);
m_comp_border = m_conf.get<cairo_operator_t>("settings", "compositing-border", m_comp_border);
m_pseudo_transparency = m_conf.get<bool>("settings", "pseudo-transparency", m_pseudo_transparency);
m_fixedcenter = m_conf.get(m_conf.section(), "fixed-center", true);
}
@ -503,14 +505,21 @@ void renderer::fill_background() {
m_context->save();
*m_context << m_comp_bg;
auto root_bg = m_background.get_surface();
if(root_bg != nullptr) {
m_log.trace_x("renderer: root background");
*m_context << *root_bg;
m_context->paint();
*m_context << CAIRO_OPERATOR_OVER;
// if using pseudo-transparency, fill the background with the root window's contents
// otherwise, we simply use a fully transparent base layer
if(m_pseudo_transparency) {
auto root_bg = m_background.get_surface();
if(root_bg != nullptr) {
m_log.trace_x("renderer: root background");
*m_context << *root_bg;
}
} else {
*m_context << (unsigned int)0;
}
m_context->paint();
*m_context << CAIRO_OPERATOR_OVER;
if (!m_bar.background_steps.empty()) {
m_log.trace_x("renderer: gradient background (steps=%lu)", m_bar.background_steps.size());
*m_context << cairo::linear_gradient{0.0, 0.0 + m_rect.y, 0.0, 0.0 + m_rect.height, m_bar.background_steps};