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#include <numeric>
#include <pango/pangocairo.h>
#include "HyprNotificationOverlay.hpp"
#include "../Compositor.hpp"
#include "../config/ConfigValue.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::accumulate(ICONS_ARRAY[iconID].begin(), ICONS_ARRAY[iconID].end(), std::string());
pango_layout_set_text(layout, iconsText.c_str(), -1);
if (pango_layout_get_unknown_glyphs_count(layout) == 0)
return iconID;
}
return ICONS_BACKEND_NONE;
}
CHyprNotificationOverlay::CHyprNotificationOverlay() {
static auto P = g_pHookSystem->hookDynamic("focusedMon", [&](void* self, SCallbackInfo& info, std::any param) {
if (m_vNotifications.size() == 0)
return;
g_pHyprRenderer->damageBox(&m_bLastDamage);
});
m_pTexture = makeShared<CTexture>();
}
CHyprNotificationOverlay::~CHyprNotificationOverlay() {
if (m_pCairo)
cairo_destroy(m_pCairo);
if (m_pCairoSurface)
cairo_surface_destroy(m_pCairoSurface);
}
void CHyprNotificationOverlay::addNotification(const std::string& text, const CHyprColor& color, const float timeMs, const eIcons icon, const float fontSize) {
const auto PNOTIF = m_vNotifications.emplace_back(std::make_unique<SNotification>()).get();
PNOTIF->text = icon != eIcons::ICON_NONE ? " " + text /* tiny bit of padding otherwise icon touches 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_vMonitors) {
g_pCompositor->scheduleFrameForMonitor(m);
}
}
void CHyprNotificationOverlay::dismissNotifications(const int amount) {
if (amount == -1)
m_vNotifications.clear();
else {
const int AMT = std::min(amount, static_cast<int>(m_vNotifications.size()));
for (int i = 0; i < AMT; ++i) {
m_vNotifications.erase(m_vNotifications.begin());
}
}
}
CBox CHyprNotificationOverlay::drawNotifications(PHLMONITOR pMonitor) {
static constexpr auto ANIM_DURATION_MS = 600.0;
static constexpr auto ANIM_LAG_MS = 100.0;
static constexpr auto NOTIF_LEFTBAR_SIZE = 5.0;
static constexpr auto ICON_PAD = 3.0;
static constexpr auto ICON_SCALE = 0.9;
static constexpr auto GRADIENT_SIZE = 60.0;
float offsetY = 10;
float maxWidth = 0;
const auto SCALE = pMonitor->scale;
const auto MONSIZE = pMonitor->vecTransformedSize;
static auto fontFamily = CConfigValue<std::string>("misc:font_family");
PangoLayout* layout = pango_cairo_create_layout(m_pCairo);
PangoFontDescription* 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);
const auto iconBackendID = iconBackendFromLayout(layout);
const auto PBEZIER = g_pAnimationManager->getBezier("default");
for (auto const& notif : m_vNotifications) {
const auto ICONPADFORNOTIF = notif->icon == ICON_NONE ? 0 : ICON_PAD;
const auto FONTSIZE = std::clamp((int)(notif->fontSize * ((pMonitor->vecPixelSize.x * SCALE) / 1920.f)), 8, 40);
// first rect (bg, col)
const float FIRSTRECTANIMP =
(notif->started.getMillis() > (ANIM_DURATION_MS - ANIM_LAG_MS) ?
(notif->started.getMillis() > notif->timeMs - (ANIM_DURATION_MS - ANIM_LAG_MS) ? notif->timeMs - notif->started.getMillis() : (ANIM_DURATION_MS - ANIM_LAG_MS)) :
notif->started.getMillis()) /
(ANIM_DURATION_MS - ANIM_LAG_MS);
const float FIRSTRECTPERC = FIRSTRECTANIMP >= 0.99f ? 1.f : PBEZIER->getYForPoint(FIRSTRECTANIMP);
// second rect (fg, black)
const float SECONDRECTANIMP = (notif->started.getMillis() > ANIM_DURATION_MS ?
(notif->started.getMillis() > notif->timeMs - ANIM_DURATION_MS ? notif->timeMs - notif->started.getMillis() : ANIM_DURATION_MS) :
notif->started.getMillis()) /
ANIM_DURATION_MS;
const float SECONDRECTPERC = SECONDRECTANIMP >= 0.99f ? 1.f : PBEZIER->getYForPoint(SECONDRECTANIMP);
// third rect (horiz, col)
const float THIRDRECTPERC = notif->started.getMillis() / notif->timeMs;
// get text size
const auto ICON = ICONS_ARRAY[iconBackendID][notif->icon];
const auto ICONCOLOR = ICONS_COLORS[notif->icon];
int iconW = 0, iconH = 0;
pango_font_description_set_absolute_size(pangoFD, PANGO_SCALE * FONTSIZE * ICON_SCALE);
pango_layout_set_font_description(layout, pangoFD);
pango_layout_set_text(layout, ICON.c_str(), -1);
pango_layout_get_size(layout, &iconW, &iconH);
iconW /= PANGO_SCALE;
iconH /= PANGO_SCALE;
int textW = 0, textH = 0;
pango_font_description_set_absolute_size(pangoFD, PANGO_SCALE * FONTSIZE);
pango_layout_set_font_description(layout, pangoFD);
pango_layout_set_text(layout, notif->text.c_str(), -1);
pango_layout_get_size(layout, &textW, &textH);
textW /= PANGO_SCALE;
textH /= PANGO_SCALE;
const auto NOTIFSIZE = Vector2D{textW + 20.0 + iconW + 2 * ICONPADFORNOTIF, textH + 10.0};
// draw rects
cairo_set_source_rgba(m_pCairo, notif->color.r, notif->color.g, notif->color.b, notif->color.a);
cairo_rectangle(m_pCairo, MONSIZE.x - (NOTIFSIZE.x + NOTIF_LEFTBAR_SIZE) * FIRSTRECTPERC, offsetY, (NOTIFSIZE.x + NOTIF_LEFTBAR_SIZE) * FIRSTRECTPERC, NOTIFSIZE.y);
cairo_fill(m_pCairo);
cairo_set_source_rgb(m_pCairo, 0.f, 0.f, 0.f);
cairo_rectangle(m_pCairo, MONSIZE.x - NOTIFSIZE.x * SECONDRECTPERC, offsetY, NOTIFSIZE.x * SECONDRECTPERC, NOTIFSIZE.y);
cairo_fill(m_pCairo);
cairo_set_source_rgba(m_pCairo, notif->color.r, notif->color.g, notif->color.b, notif->color.a);
cairo_rectangle(m_pCairo, MONSIZE.x - NOTIFSIZE.x * SECONDRECTPERC + 3, offsetY + NOTIFSIZE.y - 4, THIRDRECTPERC * (NOTIFSIZE.x - 6), 2);
cairo_fill(m_pCairo);
// draw gradient
if (notif->icon != ICON_NONE) {
cairo_pattern_t* pattern;
pattern = cairo_pattern_create_linear(MONSIZE.x - (NOTIFSIZE.x + NOTIF_LEFTBAR_SIZE) * FIRSTRECTPERC, offsetY,
MONSIZE.x - (NOTIFSIZE.x + NOTIF_LEFTBAR_SIZE) * FIRSTRECTPERC + GRADIENT_SIZE, offsetY);
cairo_pattern_add_color_stop_rgba(pattern, 0, ICONCOLOR.r, ICONCOLOR.g, ICONCOLOR.b, ICONCOLOR.a / 3.0);
cairo_pattern_add_color_stop_rgba(pattern, 1, ICONCOLOR.r, ICONCOLOR.g, ICONCOLOR.b, 0);
cairo_rectangle(m_pCairo, MONSIZE.x - (NOTIFSIZE.x + NOTIF_LEFTBAR_SIZE) * FIRSTRECTPERC, offsetY, GRADIENT_SIZE, NOTIFSIZE.y);
cairo_set_source(m_pCairo, pattern);
cairo_fill(m_pCairo);
cairo_pattern_destroy(pattern);
// draw icon
cairo_set_source_rgb(m_pCairo, 1.f, 1.f, 1.f);
cairo_move_to(m_pCairo, MONSIZE.x - NOTIFSIZE.x * SECONDRECTPERC + NOTIF_LEFTBAR_SIZE + ICONPADFORNOTIF - 1, offsetY - 2 + std::round((NOTIFSIZE.y - iconH) / 2.0));
pango_layout_set_text(layout, ICON.c_str(), -1);
pango_cairo_show_layout(m_pCairo, layout);
}
// draw text
cairo_set_source_rgb(m_pCairo, 1.f, 1.f, 1.f);
cairo_move_to(m_pCairo, MONSIZE.x - NOTIFSIZE.x * SECONDRECTPERC + NOTIF_LEFTBAR_SIZE + iconW + 2 * ICONPADFORNOTIF, offsetY - 2 + std::round((NOTIFSIZE.y - textH) / 2.0));
pango_layout_set_text(layout, notif->text.c_str(), -1);
pango_cairo_show_layout(m_pCairo, layout);
// adjust offset and move on
offsetY += NOTIFSIZE.y + 10;
if (maxWidth < NOTIFSIZE.x)
maxWidth = NOTIFSIZE.x;
}
pango_font_description_free(pangoFD);
g_object_unref(layout);
// cleanup notifs
std::erase_if(m_vNotifications, [](const auto& notif) { return notif->started.getMillis() > notif->timeMs; });
return CBox{(int)(pMonitor->vecPosition.x + pMonitor->vecSize.x - maxWidth - 20), (int)pMonitor->vecPosition.y, (int)maxWidth + 20, (int)offsetY + 10};
}
void CHyprNotificationOverlay::draw(PHLMONITOR pMonitor) {
const auto MONSIZE = pMonitor->vecTransformedSize;
if (m_pLastMonitor != pMonitor || m_vecLastSize != MONSIZE || !m_pCairo || !m_pCairoSurface) {
if (m_pCairo && m_pCairoSurface) {
cairo_destroy(m_pCairo);
cairo_surface_destroy(m_pCairoSurface);
}
m_pCairoSurface = cairo_image_surface_create(CAIRO_FORMAT_ARGB32, MONSIZE.x, MONSIZE.y);
m_pCairo = cairo_create(m_pCairoSurface);
m_pLastMonitor = pMonitor;
m_vecLastSize = MONSIZE;
}
// Draw the notifications
if (m_vNotifications.size() == 0)
return;
// Render to the monitor
// clear the pixmap
cairo_save(m_pCairo);
cairo_set_operator(m_pCairo, CAIRO_OPERATOR_CLEAR);
cairo_paint(m_pCairo);
cairo_restore(m_pCairo);
cairo_surface_flush(m_pCairoSurface);
CBox damage = drawNotifications(pMonitor);
g_pHyprRenderer->damageBox(&damage);
g_pHyprRenderer->damageBox(&m_bLastDamage);
g_pCompositor->scheduleFrameForMonitor(pMonitor);
m_bLastDamage = damage;
// copy the data to an OpenGL texture we have
const auto DATA = cairo_image_surface_get_data(m_pCairoSurface);
m_pTexture->allocate();
glBindTexture(GL_TEXTURE_2D, m_pTexture->m_iTexID);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
#ifndef GLES2
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_SWIZZLE_R, GL_BLUE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_SWIZZLE_B, GL_RED);
#endif
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, MONSIZE.x, MONSIZE.y, 0, GL_RGBA, GL_UNSIGNED_BYTE, DATA);
CBox pMonBox = {0, 0, MONSIZE.x, MONSIZE.y};
g_pHyprOpenGL->renderTexture(m_pTexture, &pMonBox, 1.f);
}
bool CHyprNotificationOverlay::hasAny() {
return !m_vNotifications.empty();
}
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