Hi,
the wiki page is slightly outdated. The native move/copy is really
possible with MTP backend, however, it is not supported by all devices
unfortunately, which is probably your case. The problem is that the
display_name is not for all backends the same as file_name and thus
the FUSE daemon calls g_file_move instead of g_file_set_display_name
in this case. Maybe the MTP backend should fallback internally to
LIBMTP_Set_File_Name in this case..
Regards
Ondrej
PS: It would probably be better to use KIO MTP slave in this case...
út 22. 12. 2020 v 17:34 odesílatel oucaijun.happy--- via gvfs-list
<gvfs-list@gnome.org> napsal:
>
> Hi,
> I failed to used QFile::rename (in fact it called POSIX API `rename`) to
> rename the file/directory of android mobile.
>
> ```c++
> QString mtpDirPath =
> "/run/user/1000/gvfs/mtp:host=HUAWEI_VOG-AL00_MQS0220407000985/内部存储/Test/";
> bool t_rename_mtp()
> {
> //Returns true if successful; otherwise returns false.
> QString src = mtpDirPath + "dir00";
> QString dest = mtpDirPath + "dir01";
>
> QFile from(src);
> bool ret = from.rename(dest); // FAILED
> return ret;
> }
> ```
>
> ENV:
> * CPU : `Intel(R) Core(TM) i7-10700 CPU @ 2.90GHz `
> * MOBILE : `华为 P30 Pro(VOG-AL00)` `华为 nova5 Pro(SEA AL10)`
> * `libmtp-dev`: `1.1.16-2`
> * `gvfs`: `1.38.1-5`
> * `qtbase5-dev`: `5.11.3.28-1+eagle`
> * `libglib2.0-0`：`2.58.3.4-1+deepin`
> * `libglib2.0-bin`：`2.58.3.4-1+deepin`
>
>
> I read https://wiki.gnome.org/Projects/gvfs/backends to know that mtp backend
> do not surpport the move job. But seems the code say something different!
>
> By reading the source code of gvfs 1.38.1-5 and glib2.0-2.58.3.4, I found the
> `move`(POSIX `rename`) and g_file_set_display_name (GIO API) are both
> realized in gvfs(mtp backend) and gio.
>
>
>
>
> I am not sure whether I understood the code correctly, also I failed to debug
> the gio code for running error.
> Could you kindly tell me the truth? Thank you!
>
> ________________________________
> oucaijun.ha...@163.com
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