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#include "CHyprDropShadowDecoration.hpp"
#include "../../Compositor.hpp"
#include "../../config/ConfigValue.hpp"
#include "../pass/ShadowPassElement.hpp"
#include "../Renderer.hpp"
#include "../pass/RectPassElement.hpp"
#include "../pass/TextureMatteElement.hpp"
CHyprDropShadowDecoration::CHyprDropShadowDecoration(PHLWINDOW pWindow) : IHyprWindowDecoration(pWindow), m_window(pWindow) {
;
}
eDecorationType CHyprDropShadowDecoration::getDecorationType() {
return DECORATION_SHADOW;
}
SDecorationPositioningInfo CHyprDropShadowDecoration::getPositioningInfo() {
SDecorationPositioningInfo info;
info.policy = DECORATION_POSITION_ABSOLUTE;
info.desiredExtents = m_extents;
info.edges = DECORATION_EDGE_BOTTOM | DECORATION_EDGE_LEFT | DECORATION_EDGE_RIGHT | DECORATION_EDGE_TOP;
m_reportedExtents = m_extents;
return info;
}
void CHyprDropShadowDecoration::onPositioningReply(const SDecorationPositioningReply& reply) {
updateWindow(m_window.lock());
}
uint64_t CHyprDropShadowDecoration::getDecorationFlags() {
return DECORATION_NON_SOLID;
}
std::string CHyprDropShadowDecoration::getDisplayName() {
return "Drop Shadow";
}
void CHyprDropShadowDecoration::damageEntire() {
static auto PSHADOWS = CConfigValue<Config::INTEGER>("decoration:shadow:enabled");
if (*PSHADOWS != 1)
return; // disabled
const auto PWINDOW = m_window.lock();
const auto pos = PWINDOW->m_realPosition->value();
const auto size = PWINDOW->m_realSize->value();
CBox shadowBox = {pos.x - m_extents.topLeft.x, pos.y - m_extents.topLeft.y, pos.x + size.x + m_extents.bottomRight.x, pos.y + size.y + m_extents.bottomRight.y};
const auto PWORKSPACE = PWINDOW->m_workspace;
const auto applyOffset = [&](CBox& b) {
if (PWORKSPACE && PWORKSPACE->m_renderOffset->isBeingAnimated() && !PWINDOW->m_pinned)
b.translate(PWORKSPACE->m_renderOffset->value());
b.translate(PWINDOW->m_floatingOffset);
};
applyOffset(shadowBox);
CRegion shadowRegion(shadowBox);
for (auto const& m : g_pCompositor->m_monitors) {
if (!g_pHyprRenderer->shouldRenderWindow(PWINDOW, m)) {
const CRegion monitorRegion({m->m_position, m->m_size});
shadowRegion.subtract(monitorRegion);
}
}
g_pHyprRenderer->damageRegion(shadowRegion);
}
void CHyprDropShadowDecoration::updateWindow(PHLWINDOW pWindow) {
const auto PWINDOW = m_window.lock();
m_lastWindowPos = PWINDOW->m_realPosition->value();
m_lastWindowSize = PWINDOW->m_realSize->value();
m_lastWindowBox = {m_lastWindowPos.x, m_lastWindowPos.y, m_lastWindowSize.x, m_lastWindowSize.y};
m_lastWindowBoxWithDecos = g_pDecorationPositioner->getBoxWithIncludedDecos(pWindow);
}
void CHyprDropShadowDecoration::draw(PHLMONITOR pMonitor, float const& a) {
CShadowPassElement::SShadowData data;
data.deco = this;
data.a = a;
g_pHyprRenderer->m_renderPass.add(makeUnique<CShadowPassElement>(data));
}
bool CHyprDropShadowDecoration::canRender(PHLMONITOR pMonitor) {
static auto PSHADOWS = CConfigValue<Config::INTEGER>("decoration:shadow:enabled");
if (*PSHADOWS != 1)
return false; // disabled
const auto PWINDOW = m_window.lock();
if (!validMapped(PWINDOW))
return false;
if (PWINDOW->m_realShadowColor->value() == CHyprColor(0, 0, 0, 0))
return false; // don't draw invisible shadows
if (!PWINDOW->m_ruleApplicator->decorate().valueOrDefault())
return false;
if (PWINDOW->m_ruleApplicator->noShadow().valueOrDefault())
return false;
return true;
}
SShadowRenderData CHyprDropShadowDecoration::getRenderData(PHLMONITOR pMonitor, float const& a) {
if (!canRender(pMonitor))
return {};
const auto PWINDOW = m_window.lock();
static auto PSHADOWSIZE = CConfigValue<Config::INTEGER>("decoration:shadow:range");
static auto PSHADOWSCALE = CConfigValue<Config::FLOAT>("decoration:shadow:scale");
static auto PSHADOWOFFSET = CConfigValue<Config::VEC2>("decoration:shadow:offset");
const auto BORDERSIZE = PWINDOW->getRealBorderSize();
const auto ROUNDINGBASE = PWINDOW->rounding();
const auto ROUNDINGPOWER = PWINDOW->roundingPower();
const auto CORRECTIONOFFSET = (BORDERSIZE * (M_SQRT2 - 1) * std::max(2.0 - ROUNDINGPOWER, 0.0));
const auto ROUNDING = ROUNDINGBASE > 0 ? (ROUNDINGBASE + BORDERSIZE) - CORRECTIONOFFSET : 0;
const auto PWORKSPACE = PWINDOW->m_workspace;
const auto WORKSPACEOFFSET = PWORKSPACE && !PWINDOW->m_pinned ? PWORKSPACE->m_renderOffset->value() : Vector2D();
// draw the shadow
CBox fullBox = m_lastWindowBoxWithDecos;
fullBox.translate(-pMonitor->m_position + WORKSPACEOFFSET);
fullBox.x -= *PSHADOWSIZE;
fullBox.y -= *PSHADOWSIZE;
fullBox.w += 2 * *PSHADOWSIZE;
fullBox.h += 2 * *PSHADOWSIZE;
const float SHADOWSCALE = std::clamp(*PSHADOWSCALE, 0.f, 1.f);
// scale the box in relation to the center of the box
fullBox.scaleFromCenter(SHADOWSCALE).translate({(*PSHADOWOFFSET).x, (*PSHADOWOFFSET).y});
updateWindow(PWINDOW);
m_lastWindowPos += WORKSPACEOFFSET;
m_extents = {
.topLeft =
{
m_lastWindowPos.x - fullBox.x - pMonitor->m_position.x + 2,
m_lastWindowPos.y - fullBox.y - pMonitor->m_position.y + 2,
},
.bottomRight =
{
fullBox.x + fullBox.width + pMonitor->m_position.x - m_lastWindowPos.x - m_lastWindowSize.x + 2,
fullBox.y + fullBox.height + pMonitor->m_position.y - m_lastWindowPos.y - m_lastWindowSize.y + 2,
},
};
fullBox.translate(PWINDOW->m_floatingOffset);
if (fullBox.width < 1 || fullBox.height < 1)
return {}; // don't draw invisible shadows
g_pHyprRenderer->m_renderData.currentWindow = m_window;
fullBox.scale(pMonitor->m_scale).round();
return {
.valid = true,
.fullBox = fullBox,
.rounding = ROUNDING,
.roundingPower = ROUNDINGPOWER,
.size = *PSHADOWSIZE,
};
}
void CHyprDropShadowDecoration::reposition() {
if (m_extents != m_reportedExtents)
g_pDecorationPositioner->repositionDeco(this);
g_pHyprRenderer->m_renderData.currentWindow.reset();
}
// TODO remove
void CHyprDropShadowDecoration::render(PHLMONITOR pMonitor, float const& a) {
auto data = getRenderData(pMonitor, a);
if (!data.valid)
return;
const auto PWINDOW = m_window.lock();
g_pHyprRenderer->disableScissor();
drawShadowInternal(data.fullBox, data.rounding * pMonitor->m_scale, data.roundingPower, data.size * pMonitor->m_scale, PWINDOW->m_realShadowColor->value(), a);
reposition();
}
eDecorationLayer CHyprDropShadowDecoration::getDecorationLayer() {
return DECORATION_LAYER_BOTTOM;
}
void CHyprDropShadowDecoration::drawShadowInternal(const CBox& box, int round, float roundingPower, int range, CHyprColor color, float a) {
static auto PSHADOWSHARP = CConfigValue<Config::INTEGER>("decoration:shadow:sharp");
if (box.w < 1 || box.h < 1)
return;
g_pHyprRenderer->blend(true);
color.a *= a;
if (*PSHADOWSHARP)
g_pHyprRenderer->draw(CRectPassElement::SRectData{
.box = box,
.color = color,
.round = round,
.roundingPower = roundingPower,
});
else
g_pHyprRenderer->drawShadow(box, round, roundingPower, range, color, 1.F);
}
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