dde-dock/frame/item/components/previewwidget.h
石博文 f7a7df6ae8 preview support 2D wm
Change-Id: Ib335d2b5cd37c1828eb9f53136e4d80dead487d1
2017-05-10 10:44:47 +08:00

62 lines
1.3 KiB
C++

#ifndef PREVIEWWIDGET_H
#define PREVIEWWIDGET_H
#include <QWidget>
#include <QDebug>
#include <QDragEnterEvent>
#include <QTimer>
#include <QVBoxLayout>
#include <dimagebutton.h>
#include <dwindowmanagerhelper.h>
DWIDGET_USE_NAMESPACE
class PreviewWidget : public QWidget
{
Q_OBJECT
public:
explicit PreviewWidget(const WId wid, QWidget *parent = 0);
void setTitle(const QString &title);
signals:
void requestActivateWindow(const WId wid) const;
void requestPreviewWindow(const WId wid) const;
void requestCancelPreview() const;
void requestHidePreview() const;
private slots:
void refreshImage();
void closeWindow();
void showPreview();
void updatePreviewSize();
private:
void paintEvent(QPaintEvent *e);
void enterEvent(QEvent *e);
void leaveEvent(QEvent *e);
void mouseReleaseEvent(QMouseEvent *e);
void dragEnterEvent(QDragEnterEvent *e);
void dragLeaveEvent(QDragLeaveEvent *e);
void dropEvent(QDropEvent *e);
private:
const WId m_wid;
QImage m_image;
QString m_title;
DImageButton *m_closeButton;
QVBoxLayout *m_centralLayout;
QTimer *m_droppedDelay;
QTimer *m_mouseEnterTimer;
bool m_hovered;
DWindowManagerHelper *m_wmHelper;
};
#endif // PREVIEWWIDGET_H