新增截图预览

inc/spkimgviewer.h

@@ -0,0 +1,61 @@
+
+#pragma once
+
+#include <QPainter>
+#include <QScrollArea>
+#include "spkwindow.h"
+
+class ImgView : public QWidget
+{
+    Q_OBJECT
+
+  public:
+    ImgView(QWidget *parent = nullptr) : QWidget(parent) { mPixmap = nullptr; }
+    void SetPixmap(QPixmap *p) { mPixmap = p; if(p) setFixedSize(p->size()); update(); }
+
+  protected:
+    void paintEvent(QPaintEvent *e)
+    {
+      QPainter p(this);
+      if(mPixmap)
+        p.drawPixmap(0, 0, *mPixmap);
+      p.end();
+      e->accept();
+    }
+
+  private:
+    QPixmap *mPixmap;
+};
+
+class SpkImgViewer : public SpkWindow
+{
+    Q_OBJECT
+
+  public:
+    SpkImgViewer(QWidget *parent = nullptr);
+    void ShowWithImage(int idx);
+    void SetImageTotal(int a) { mTotalImg = a; }
+
+  public slots:
+    void Clear();
+    void SetPixmap(int idx, QPixmap *img);
+
+  private slots:
+    void SwitchToImage(int idx);
+
+  protected:
+    bool event(QEvent*) override;
+
+  private:
+    void ResizeToFitImageSize(QSize);
+
+  private:
+    QPushButton *mBtnPrev, *mBtnNext;
+    QScrollArea *mImgArea;
+    QLabel *mImgIndict;
+    QMap<int, QPixmap*> mImgMap;
+    int mCurrentImg, mTotalImg;
+    QPixmap mIconLoading;
+
+    ImgView *mImgShow;
+};