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#include <algorithm>
#include <cmath>
#include <numeric>
#include <pango/pangocairo.h>
#include "HyprNotificationOverlay.hpp"
#include "../Compositor.hpp"
#include "../config/ConfigValue.hpp"
#include "../render/pass/RectPassElement.hpp"
#include "../render/pass/TexPassElement.hpp"
#include "../event/EventBus.hpp"
#include "../managers/animation/AnimationManager.hpp"
#include "../render/Renderer.hpp"
static inline auto iconBackendFromLayout(PangoLayout* layout) {
// preference: Nerd > FontAwesome > text
auto eIconBackendChecks = std::array<eIconBackend, 2>{ICONS_BACKEND_NF, ICONS_BACKEND_FA};
for (auto iconID : eIconBackendChecks) {
auto iconsText = std::ranges::fold_left(ICONS_ARRAY[iconID], std::string(), std::plus<>());
pango_layout_set_text(layout, iconsText.c_str(), -1);
if (pango_layout_get_unknown_glyphs_count(layout) == 0)
return iconID;
}
return ICONS_BACKEND_NONE;
}
static constexpr auto ANIM_DURATION_MS = 600.F;
static constexpr auto ANIM_LAG_MS = 100.F;
static constexpr auto NOTIF_LEFTBAR_SIZE = 5.F;
static constexpr auto NOTIF_PAD_X = 20.F;
static constexpr auto NOTIF_PAD_Y = 10.F;
static constexpr auto NOTIF_OFFSET_Y = 10.F;
static constexpr auto NOTIF_GAP_Y = 10.F;
static constexpr auto NOTIF_DAMAGE_PAD_X = 20.F;
static constexpr auto ICON_PAD = 3.F;
static constexpr auto ICON_SCALE = 0.9F;
CHyprNotificationOverlay::CHyprNotificationOverlay() {
static auto P = Event::bus()->m_events.monitor.focused.listen([&](PHLMONITOR mon) {
if (m_notifications.empty())
return;
g_pHyprRenderer->damageBox(m_lastDamage);
});
}
CHyprNotificationOverlay::~CHyprNotificationOverlay() = default;
eIconBackend CHyprNotificationOverlay::iconBackendForFont(const std::string& fontFamily) {
if (m_iconBackendValid && m_cachedIconBackendFontFamily == fontFamily)
return m_cachedIconBackend;
auto* cairoSurface = cairo_image_surface_create(CAIRO_FORMAT_ARGB32, 1, 1);
auto* cairoCtx = cairo_create(cairoSurface);
auto* layout = pango_cairo_create_layout(cairoCtx);
auto* pangoFD = pango_font_description_new();
pango_font_description_set_family(pangoFD, fontFamily.c_str());
pango_font_description_set_style(pangoFD, PANGO_STYLE_NORMAL);
pango_font_description_set_weight(pangoFD, PANGO_WEIGHT_NORMAL);
pango_layout_set_font_description(layout, pangoFD);
m_cachedIconBackend = iconBackendFromLayout(layout);
m_cachedIconBackendFontFamily = fontFamily;
m_iconBackendValid = true;
pango_font_description_free(pangoFD);
g_object_unref(layout);
cairo_destroy(cairoCtx);
cairo_surface_destroy(cairoSurface);
return m_cachedIconBackend;
}
void CHyprNotificationOverlay::ensureNotificationCache(SNotification& notif, PHLMONITOR pMonitor, const std::string& fontFamily) {
const auto iconBackend = iconBackendForFont(fontFamily);
const auto fontSizePx = std::clamp(sc<int>(notif.fontSize * ((pMonitor->m_pixelSize.x * pMonitor->m_scale) / 1920.f)), 8, 40);
const bool cacheValid = notif.cache.monitor == pMonitor && notif.cache.fontFamily == fontFamily && notif.cache.fontSizePx == fontSizePx &&
notif.cache.iconBackend == iconBackend && notif.cache.textTex && (notif.icon == ICON_NONE || notif.cache.iconTex);
if (cacheValid)
return;
notif.cache = {};
notif.cache.monitor = pMonitor;
notif.cache.fontFamily = fontFamily;
notif.cache.fontSizePx = fontSizePx;
notif.cache.iconBackend = iconBackend;
notif.cache.textTex = g_pHyprRenderer->renderText(notif.text, CHyprColor{1.F, 1.F, 1.F, 1.F}, fontSizePx, false, fontFamily);
if (notif.cache.textTex)
notif.cache.textSize = notif.cache.textTex->m_size;
if (notif.icon != ICON_NONE) {
const auto iconGlyph = ICONS_ARRAY[iconBackend][notif.icon];
const auto iconSizePx = std::max(8, sc<int>(std::round(fontSizePx * ICON_SCALE)));
notif.cache.iconTex = g_pHyprRenderer->renderText(iconGlyph, CHyprColor{1.F, 1.F, 1.F, 1.F}, iconSizePx, false, fontFamily);
if (notif.cache.iconTex)
notif.cache.iconSize = notif.cache.iconTex->m_size;
}
}
void CHyprNotificationOverlay::addNotification(const std::string& text, const CHyprColor& color, const float timeMs, const eIcons icon, const float fontSize) {
const auto PNOTIF = m_notifications.emplace_back(makeUnique<SNotification>()).get();
PNOTIF->text = text;
PNOTIF->color = color == CHyprColor(0) ? ICONS_COLORS[icon] : color;
PNOTIF->started.reset();
PNOTIF->timeMs = timeMs;
PNOTIF->icon = icon;
PNOTIF->fontSize = fontSize;
for (auto const& m : g_pCompositor->m_monitors) {
g_pCompositor->scheduleFrameForMonitor(m);
}
}
void CHyprNotificationOverlay::dismissNotifications(const int amount) {
if (amount == -1)
m_notifications.clear();
else {
const int AMT = std::min(amount, sc<int>(m_notifications.size()));
for (int i = 0; i < AMT; ++i) {
m_notifications.erase(m_notifications.begin());
}
}
for (auto const& m : g_pCompositor->m_monitors) {
g_pCompositor->scheduleFrameForMonitor(m);
}
}
CBox CHyprNotificationOverlay::drawNotifications(PHLMONITOR pMonitor) {
float offsetY = NOTIF_OFFSET_Y;
float maxWidth = 0;
const auto MONSIZE = pMonitor->m_transformedSize;
static auto fontFamily = CConfigValue<std::string>("misc:font_family");
const auto PBEZIER = g_pAnimationManager->getBezier("default");
for (auto const& notif : m_notifications) {
ensureNotificationCache(*notif, pMonitor, *fontFamily);
const auto ICONPADFORNOTIF = notif->icon == ICON_NONE ? 0.F : ICON_PAD;
const auto ICONW = notif->cache.iconSize.x;
const auto ICONH = notif->cache.iconSize.y;
const auto TEXTW = notif->cache.textSize.x;
const auto TEXTH = notif->cache.textSize.y;
const auto NOTIFSIZE = Vector2D{TEXTW + NOTIF_PAD_X + ICONW + 2 * ICONPADFORNOTIF, std::max(TEXTH, ICONH) + NOTIF_PAD_Y};
const float elapsed = notif->started.getMillis();
const float lifeMs = std::max(notif->timeMs, 1.F);
// first rect (bg, col)
const float FIRSTRECTANIMP = std::clamp(
(elapsed > (ANIM_DURATION_MS - ANIM_LAG_MS) ? (elapsed > lifeMs - (ANIM_DURATION_MS - ANIM_LAG_MS) ? lifeMs - elapsed : (ANIM_DURATION_MS - ANIM_LAG_MS)) : elapsed) /
(ANIM_DURATION_MS - ANIM_LAG_MS),
0.F, 1.F);
const float FIRSTRECTPERC = FIRSTRECTANIMP >= 0.99f ? 1.f : PBEZIER->getYForPoint(FIRSTRECTANIMP);
// second rect (fg, black)
const float SECONDRECTANIMP =
std::clamp((elapsed > ANIM_DURATION_MS ? (elapsed > lifeMs - ANIM_DURATION_MS ? lifeMs - elapsed : ANIM_DURATION_MS) : elapsed) / ANIM_DURATION_MS, 0.F, 1.F);
const float SECONDRECTPERC = SECONDRECTANIMP >= 0.99f ? 1.f : PBEZIER->getYForPoint(SECONDRECTANIMP);
// third rect (horiz, col)
const float THIRDRECTPERC = std::clamp(elapsed / lifeMs, 0.F, 1.F);
const float firstRectX = MONSIZE.x - (NOTIFSIZE.x + NOTIF_LEFTBAR_SIZE) * FIRSTRECTPERC;
const float firstRectW = (NOTIFSIZE.x + NOTIF_LEFTBAR_SIZE) * FIRSTRECTPERC;
const float secondRectX = MONSIZE.x - NOTIFSIZE.x * SECONDRECTPERC;
const float secondRectW = NOTIFSIZE.x * SECONDRECTPERC;
CRectPassElement::SRectData bgData;
bgData.box = {firstRectX, offsetY, firstRectW, NOTIFSIZE.y};
bgData.color = notif->color;
g_pHyprRenderer->m_renderPass.add(makeUnique<CRectPassElement>(bgData));
CRectPassElement::SRectData fgData;
fgData.box = {secondRectX, offsetY, secondRectW, NOTIFSIZE.y};
fgData.color = CHyprColor{0.F, 0.F, 0.F, 1.F};
g_pHyprRenderer->m_renderPass.add(makeUnique<CRectPassElement>(fgData));
CRectPassElement::SRectData progressData;
progressData.box = {secondRectX + 3, offsetY + NOTIFSIZE.y - 4, THIRDRECTPERC * std::max(0.0, NOTIFSIZE.x - 6.0), 2};
progressData.color = notif->color;
g_pHyprRenderer->m_renderPass.add(makeUnique<CRectPassElement>(progressData));
if (notif->icon != ICON_NONE && notif->cache.iconTex) {
CTexPassElement::SRenderData iconData;
iconData.tex = notif->cache.iconTex;
iconData.box = {secondRectX + NOTIF_LEFTBAR_SIZE + ICONPADFORNOTIF - 1, offsetY - 2 + std::round((NOTIFSIZE.y - ICONH) / 2.0), ICONW, ICONH};
iconData.a = 1.F;
g_pHyprRenderer->m_renderPass.add(makeUnique<CTexPassElement>(std::move(iconData)));
}
if (notif->cache.textTex) {
CTexPassElement::SRenderData textData;
textData.tex = notif->cache.textTex;
textData.box = {secondRectX + NOTIF_LEFTBAR_SIZE + ICONW + 2 * ICONPADFORNOTIF, offsetY - 2 + std::round((NOTIFSIZE.y - TEXTH) / 2.0), TEXTW, TEXTH};
textData.a = 1.F;
g_pHyprRenderer->m_renderPass.add(makeUnique<CTexPassElement>(std::move(textData)));
}
// adjust offset and move on
offsetY += NOTIFSIZE.y + NOTIF_GAP_Y;
if (maxWidth < NOTIFSIZE.x)
maxWidth = NOTIFSIZE.x;
}
// cleanup notifs
std::erase_if(m_notifications, [](const auto& notif) { return notif->started.getMillis() > notif->timeMs; });
return CBox{sc<int>(pMonitor->m_position.x + pMonitor->m_size.x - maxWidth - NOTIF_DAMAGE_PAD_X), sc<int>(pMonitor->m_position.y), sc<int>(maxWidth + NOTIF_DAMAGE_PAD_X),
sc<int>(offsetY + NOTIF_OFFSET_Y)};
}
void CHyprNotificationOverlay::draw(PHLMONITOR pMonitor) {
// Draw the notifications
if (m_notifications.empty()) {
if (m_lastDamage.width > 0 && m_lastDamage.height > 0)
g_pHyprRenderer->damageBox(m_lastDamage);
m_lastDamage = {};
return;
}
CBox damage = drawNotifications(pMonitor);
g_pHyprRenderer->damageBox(damage);
g_pHyprRenderer->damageBox(m_lastDamage);
g_pCompositor->scheduleFrameForMonitor(pMonitor);
m_lastDamage = damage;
}
bool CHyprNotificationOverlay::hasAny() {
return !m_notifications.empty();
}
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