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Hi all,
in the meanwhile I took a closer look to my DnD problem and it turned
out that it is caused by the effect that Dolphin as well as Konqueror
are initiating DnD sessions by default with action type "ACTION_MOVE"
whereas other source apps like e.g. Gwenview start with "ACTION_COPY".
As in Openshot (module MainGTK.py) the allowed DnD actions for the
TreeView (myTree and icvFileIcons widgets) are set to "ACTION_COPY"
only, the DnD attempt from the KDE file managers will be rejected
(cursor icon = "forbidden").
There is an user workaround (1. but not preferred) and an easy programm solution (2. just a small code change) for it:
1. The user always starts DnD actions with having the <Ctrl> key being pressed (as this would switch to the copy mode)
2. Allow also "ACTION_MOVE" as initial DnD action event inside OpenShot.
To be consistent the changes have to be applied to the "myTree" and
"icvFileIcons" widgets as well as to "icvTransitions" and "icvEffects".
Please find attached an according patch file for this
("mychanges1.patch").
As a further optimisation (regarding user perception) one could think
about harmonising also the cursor icons always to the copy style (with
the plus sign). At the moment it differs depending on the DnD action
mode initiated by the source app. This can be done by setting the drag
status during the motion event to "ACTION_COPY" (what explicitely would
change the cursor style). This function and the according connection of
the widget signals can be found in the attached "mypatches2.patch" file
(that includes also the basic fix as described before).
Cheers
Oliver
** Attachment added: "Solutions (patches) for failing DnD in KDE"
https://bugs.launchpad.net/openshot/+bug/892782/+attachment/2725105/+files/mychanges.patch.zip
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https://bugs.launchpad.net/bugs/892782
Title:
Importing files via Drag&Drop from KDE file manager not possible
Status in OpenShot Video Editor:
New
Bug description:
1) Kubuntu 11.10, KDE 4.7.2, Kernel 3.0.0-12-generic, Dolphin 1.7
2) OpenShot installed via PPA
2) OpenShot version 1.4.0
Drag&Drop of files to the "Projects Files" from a KDE file manager
like Dolphin or Konqueror does not work. In this situation the cursor
icon already indicates that this is not possible (forbidden sign).
Additional information: When I try to drag a file from the file
manager to the timeline area than the cursor icon does not say
"forbidden" but it does not work as well (is of course anyway not
intended).
Another interesting point is than when the last action was to drag a
transition to the timeline area than the attempt of dragging a file
from an external file manager to the timeline area results in another
adding of the previous transition (btw: this does not happen if last
drag&drop action was an effect or file from the project files area.).
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