chenjun 2f8f6880cd fix: 修复打开多个应用窗口,在任务栏预览中无法关闭窗口的问题
因为鼠标在进入预览窗口时,触发了requestCancelPreviewWindow信号,将预览窗口的指针给置为空,当关闭应用时,无法隐藏并刷新
预览窗口

Log: 修复打开多个应用窗口,在任务栏预览中无法关闭窗口的问题
Bug: https://pms.uniontech.com/zentao/bug-view-40031.html
Change-Id: I00e08d24409d346fd44f16cb5f3813694e5daaf8
Reviewed-on: http://gerrit.uniontech.com/c/dde-dock/+/974
Reviewed-by: <mailman@uniontech.com>
Reviewed-by: lizhongming <lizhongming@uniontech.com>
Tested-by: <mailman@uniontech.com>
2020-07-30 19:09:42 +08:00
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2020-06-16 13:54:23 +08:00
2020-03-13 13:39:01 +08:00
2019-10-31 15:38:56 +08:00
2018-02-07 11:52:47 +08:00
2020-06-16 13:54:23 +08:00
2020-06-16 13:54:23 +08:00