first commit

2026-01-02 19:20:35 +09:00
commit a10cb30c4a
94 changed files with 28609 additions and 0 deletions
--- a/widgets/pageindicator.cpp
+++ b/widgets/pageindicator.cpp
@@ -0,0 +1,116 @@
+#include "pageindicator.h"
+#include <QPainter>
+#include <QMouseEvent>
+
+PageIndicator::PageIndicator(int pageCount, QWidget *parent)
+    : QWidget(parent), m_pageCount(pageCount), m_currentPage(0), m_dotSize(8), m_selectedDotSize(10), m_dotSpacing(14), m_dotColor(QColor(255, 255, 255, 120)), m_selectedColor(QColor(255, 255, 255, 255))
+{
+  setCursor(Qt::PointingHandCursor);
+  setAttribute(Qt::WA_TranslucentBackground);
+}
+
+PageIndicator::~PageIndicator()
+{
+}
+
+void PageIndicator::setPageCount(int count)
+{
+  if (count != m_pageCount)
+  {
+    m_pageCount = count;
+    if (m_currentPage >= m_pageCount)
+    {
+      m_currentPage = m_pageCount - 1;
+    }
+    update();
+  }
+}
+
+void PageIndicator::setCurrentPage(int page)
+{
+  if (page >= 0 && page < m_pageCount && page != m_currentPage)
+  {
+    m_currentPage = page;
+    update();
+  }
+}
+
+void PageIndicator::paintEvent(QPaintEvent *event)
+{
+  Q_UNUSED(event)
+
+  QPainter painter(this);
+  painter.setRenderHint(QPainter::Antialiasing);
+
+  // 计算总宽度
+  int totalWidth = 0;
+  for (int i = 0; i < m_pageCount; ++i)
+  {
+    int dotSize = (i == m_currentPage) ? m_selectedDotSize : m_dotSize;
+    totalWidth += dotSize;
+    if (i < m_pageCount - 1)
+    {
+      totalWidth += m_dotSpacing;
+    }
+  }
+
+  // 计算起始位置（居中）
+  int startX = (width() - totalWidth) / 2;
+  int centerY = height() / 2;
+
+  // 绘制指示点
+  int x = startX;
+  for (int i = 0; i < m_pageCount; ++i)
+  {
+    bool isSelected = (i == m_currentPage);
+    int dotSize = isSelected ? m_selectedDotSize : m_dotSize;
+    QColor color = isSelected ? m_selectedColor : m_dotColor;
+
+    painter.setPen(Qt::NoPen);
+    painter.setBrush(color);
+
+    int y = centerY - dotSize / 2;
+    painter.drawEllipse(x, y, dotSize, dotSize);
+
+    x += dotSize + m_dotSpacing;
+  }
+}
+
+void PageIndicator::mousePressEvent(QMouseEvent *event)
+{
+  // 计算点击位置对应的页面
+  int totalWidth = 0;
+  for (int i = 0; i < m_pageCount; ++i)
+  {
+    int dotSize = (i == m_currentPage) ? m_selectedDotSize : m_dotSize;
+    totalWidth += dotSize;
+    if (i < m_pageCount - 1)
+    {
+      totalWidth += m_dotSpacing;
+    }
+  }
+
+  int startX = (width() - totalWidth) / 2;
+  int x = startX;
+
+  for (int i = 0; i < m_pageCount; ++i)
+  {
+    int dotSize = (i == m_currentPage) ? m_selectedDotSize : m_dotSize;
+
+    // 扩大点击区域
+    QRect hitRect(x - 8, 0, dotSize + 16, height());
+
+    if (hitRect.contains(event->pos()))
+    {
+      if (i != m_currentPage)
+      {
+        emit pageClicked(i);
+      }
+      break;
+    }
+
+    x += dotSize + m_dotSpacing;
+  }
+
+  QWidget::mousePressEvent(event);
+}