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#include "Message.h"
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#include <QApplication>
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#include <QLabel>
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#include <QVBoxLayout>
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#include <QGraphicsOpacityEffect>
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#include <QGraphicsDropShadowEffect>
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#include <QPropertyAnimation>
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#include <QVariantAnimation>
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#include <QTimer>
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#include <QProgressBar>
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#include <QPainter>
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#include <QGraphicsScene>
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#include <QGraphicsPixmapItem>
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#include <QGraphicsBlurEffect>
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#include <QRandomGenerator>
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#include <algorithm>
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#include <QDebug>
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namespace Psc::Message {
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static Config global_config;
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class Toast;
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class ResizeWatcher;
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static QHash<QWidget*, QVector<QPointer<Toast>>> containers;
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static QHash<QWidget*, QPointer<ResizeWatcher>> watchers;
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static QHash<QWidget*, QQueue<std::pair<Type,QString>>> queues;
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/* -------------------- 工具函数 -------------------- */
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static bool is_dark_palette()
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{
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QColor c = QApplication::palette().window().color();
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return c.lightness() < 128;
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}
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static QColor interpolate(const QColor& a, const QColor& b, double t)
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{
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return QColor(
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a.red() + (b.red() - a.red()) * t,
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a.green() + (b.green() - a.green()) * t,
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a.blue() + (b.blue() - a.blue()) * t,
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a.alpha() + (b.alpha() - a.alpha()) * t
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);
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}
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struct ThemeColors {
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QColor bg;
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QColor text;
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QColor progress_bg;
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QColor progress_fg;
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};
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static ThemeColors theme_for(Type t)
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{
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bool dark;
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if (global_config.theme == Theme_Mode::Auto)
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dark = is_dark_palette();
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else
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dark = (global_config.theme == Theme_Mode::Dark);
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QColor base;
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switch (t) {
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case success: base = QColor("#52C41A"); break;
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case error: base = QColor("#F5222D"); break;
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case warning: base = QColor("#FAAD14"); break;
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default: base = QColor("#1890FF"); break;
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}
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ThemeColors c;
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if (dark) {
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c.bg = base.darker(250);
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c.bg.setAlpha(210);
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c.text = Qt::white;
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c.progress_fg = base;
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c.progress_bg = QColor(255,255,255,30);
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} else {
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c.bg = base.lighter(180);
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c.bg.setAlpha(220);
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c.text = QColor(30,30,30);
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c.progress_fg = base.darker(110);
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c.progress_bg = QColor(0,0,0,20);
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}
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return c;
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}
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/* -------------------- 毛玻璃 -------------------- */
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static QPixmap blur_pixmap(const QPixmap& src, int radius)
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{
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QGraphicsScene scene;
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QGraphicsPixmapItem item;
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item.setPixmap(src);
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QGraphicsBlurEffect blur;
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blur.setBlurRadius(radius);
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item.setGraphicsEffect(&blur);
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scene.addItem(&item);
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QImage result(src.size(), QImage::Format_ARGB32);
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result.fill(Qt::transparent);
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QPainter painter(&result);
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scene.render(&painter);
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return QPixmap::fromImage(result);
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}
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static QPixmap generate_noise(int w, int h)
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{
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QImage img(w, h, QImage::Format_ARGB32);
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for (int y=0; y<h; ++y)
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for (int x=0; x<w; ++x)
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{
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int gray = QRandomGenerator::global()->bounded(20);
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img.setPixelColor(x,y,QColor(255,255,255,gray));
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}
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return QPixmap::fromImage(img);
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}
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/* -------------------- Toast -------------------- */
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class Toast : public QWidget {
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public:
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Toast(Type t,
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const QString& text,
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QWidget* parent,
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int duration)
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: QWidget(parent),
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type(t),
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duration_ms(duration)
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{
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setAttribute(Qt::WA_DeleteOnClose);
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setWindowFlags(Qt::FramelessWindowHint);
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auto shadow = new QGraphicsDropShadowEffect(this);
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shadow->setBlurRadius(30);
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shadow->setOffset(0,8);
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shadow->setColor(QColor(0,0,0,120));
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setGraphicsEffect(shadow);
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opacity = new QGraphicsOpacityEffect(this);
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setGraphicsEffect(opacity);
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opacity->setOpacity(0);
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fade = new QPropertyAnimation(opacity,"opacity",this);
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fade->setDuration(200 * global_config.animation_speed);
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move_anim = new QPropertyAnimation(this,"pos",this);
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move_anim->setDuration(400 * global_config.animation_speed);
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move_anim->setEasingCurve(QEasingCurve::OutBack);
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label = new QLabel(text,this);
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label->setWordWrap(true);
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label->setMaximumWidth(global_config.max_width);
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progress = new QProgressBar(this);
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progress->setRange(0,duration_ms);
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progress->setValue(duration_ms);
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progress->setTextVisible(false);
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progress->setFixedHeight(3);
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auto layout = new QVBoxLayout(this);
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layout->setContentsMargins(16,12,16,8);
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layout->addWidget(label);
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layout->addWidget(progress);
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adjustSize();
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apply_theme(theme_for(type));
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start_timer();
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}
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void appear_from(const QPoint& start, const QPoint& end)
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{
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prepare_blur();
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move(start);
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show();
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fade->setStartValue(0);
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fade->setEndValue(1);
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fade->start();
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move_anim->setStartValue(start);
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move_anim->setEndValue(end);
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move_anim->start();
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}
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void move_to(const QPoint& target)
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{
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if (pos()==target) return;
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move_anim->stop();
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move_anim->setStartValue(pos());
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move_anim->setEndValue(target);
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move_anim->start();
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}
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void disappear()
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{
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fade->setStartValue(1);
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fade->setEndValue(0);
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connect(fade,&QPropertyAnimation::finished,
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this,&QWidget::deleteLater);
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fade->start();
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}
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protected:
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void mousePressEvent(QMouseEvent*) override { disappear(); }
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void enterEvent(QEvent*) override
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{
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if (timer)
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timer->stop();
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}
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void leaveEvent(QEvent*) override
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{
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if (timer)
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timer->start();
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}
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void paintEvent(QPaintEvent* e) override
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{
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QPainter painter(this);
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painter.setRenderHint(QPainter::Antialiasing);
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QRectF r = rect();
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QPainterPath path;
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path.addRoundedRect(r, 12, 12);
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// 1️⃣ 裁剪圆角区域
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painter.setClipPath(path);
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// 2️⃣ 画毛玻璃
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if (global_config.enable_blur && !blurred_background.isNull())
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{
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painter.drawPixmap(r.toRect(), blurred_background);
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}
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// 3️⃣ 半透明背景
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painter.fillPath(path, current_theme.bg);
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// 4️⃣ Acrylic 噪点
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if (global_config.acrylic_mode)
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{
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painter.drawPixmap(r.toRect(),
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generate_noise(width(), height()));
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}
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// 5️⃣ 解除裁剪
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painter.setClipping(false);
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// 6️⃣ 调用基类，让子控件正常绘制
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QWidget::paintEvent(e);
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}
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private:
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void prepare_blur()
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{
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if (!global_config.enable_blur) return;
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QWidget* p = parentWidget();
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if (!p) return;
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QPixmap grab = p->grab(geometry());
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blurred_background = blur_pixmap(grab,20);
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}
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void apply_theme(const ThemeColors& c)
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{
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current_theme = c;
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label->setStyleSheet(QString(
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"background:transparent;color:%1;"
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).arg(c.text.name()));
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progress->setStyleSheet(QString(
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"QProgressBar{background:%1;border:none;}"
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"QProgressBar::chunk{background:%2;border-radius:2px;}"
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).arg(c.progress_bg.name(QColor::HexArgb))
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.arg(c.progress_fg.name()));
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}
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void start_timer()
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{
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if (!timer)
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{
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timer = new QTimer(this);
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timer->setInterval(16);
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connect(timer, &QTimer::timeout, this, [this]() {
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elapsed_ms += 16;
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int remain = duration_ms - elapsed_ms;
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progress->setValue(std::max(0, remain));
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if (remain <= 0)
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{
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timer->stop();
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disappear();
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}
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});
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}
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timer->start();
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}
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Type type;
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int duration_ms;
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int elapsed_ms = 0;
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QLabel* label{};
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QProgressBar* progress{};
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QTimer* timer{};
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QGraphicsOpacityEffect* opacity{};
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QPropertyAnimation* fade{};
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QPropertyAnimation* move_anim{};
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ThemeColors current_theme;
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QPixmap blurred_background;
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};
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/* -------------------- 布局 -------------------- */
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static QWidget* top_parent(QWidget* w)
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{
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while (w && w->parentWidget())
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w=w->parentWidget();
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return w;
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}
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static void relayout(QWidget* top, Corner corner)
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{
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auto& list = containers[top];
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constexpr int margin=24;
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constexpr int spacing=16;
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int y=(corner==Top_Left||corner==Top_Right)
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?margin:top->height()-margin;
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for(auto& toast:list)
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{
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if(!toast) continue;
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QPoint target;
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if(corner==Top_Left){
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target={margin,y};
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y+=toast->height()+spacing;
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}
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else if(corner==Top_Right){
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target={top->width()-toast->width()-margin,y};
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y+=toast->height()+spacing;
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}
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else if(corner==Bottom_Left){
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y-=toast->height();
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target={margin,y};
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y-=spacing;
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}
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else{
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y-=toast->height();
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target={top->width()-toast->width()-margin,y};
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y-=spacing;
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}
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toast->move_to(target);
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}
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}
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static void process_queue(QWidget* top, Corner corner)
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{
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if (queues[top].isEmpty())
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return;
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auto item = queues[top].dequeue();
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auto* toast = new Toast(
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item.first,
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item.second,
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top,
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global_config.default_duration
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);
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auto& list = containers[top];
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constexpr int margin = 24;
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constexpr int spacing = 16;
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// --------- 1️⃣ 计算最终位置 ----------
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int y = (corner == Top_Left || corner == Top_Right)
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? margin
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: top->height() - margin;
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for (auto& t : list)
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{
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if (!t) continue;
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if (corner == Top_Left || corner == Top_Right)
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y += t->height() + spacing;
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else
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y -= t->height() + spacing;
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}
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QPoint final_pos;
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if (corner == Top_Left)
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final_pos = QPoint(margin, y);
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else if (corner == Top_Right)
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final_pos = QPoint(top->width() - toast->width() - margin, y);
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else if (corner == Bottom_Left)
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final_pos = QPoint(margin, y - toast->height());
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else
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final_pos = QPoint(top->width() - toast->width() - margin,
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y - toast->height());
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// --------- 2️⃣ 立即定位到 final ----------
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toast->move(final_pos);
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// --------- 3️⃣ 加入容器 ----------
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list.push_back(toast);
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// --------- 4️⃣ 计算飞入起点 ----------
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QPoint start = final_pos;
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if (corner == Top_Right || corner == Bottom_Right)
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start.setX(top->width());
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else
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start.setX(-toast->width());
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// --------- 5️⃣ 飞入 ----------
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toast->appear_from(start, final_pos);
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// --------- 6️⃣ 超限处理 ----------
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if (list.size() > global_config.max_count)
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{
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auto old = list.front();
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list.removeFirst();
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if (old) old->disappear();
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}
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// --------- 7️⃣ 旧 toast 重排 ----------
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relayout(top, corner);
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}
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/* -------------------- 公共接口 -------------------- */
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void show(Type type,
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const QString& text,
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QWidget* parent,
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int,
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Corner corner)
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{
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if(!parent) return;
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QWidget* top=top_parent(parent);
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if(!top) return;
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queues[top].enqueue({type,text});
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QTimer::singleShot(global_config.queue_interval,
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top,
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[top,corner](){
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process_queue(top,corner);
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});
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}
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void set_config(const Config& cfg)
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{
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global_config=cfg;
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}
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} // namespace Message
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Reference in New Issue
Block a user