[Bug 231018] New: Drag and Drop to Application Icon in Panel does not open correct file

[Jerome Lau]

https://bugs.kde.org/show_bug.cgi?id=231018

           Summary: Drag and Drop to Application Icon in Panel does not
                    open correct file
           Product: kde
           Version: unspecified
          Platform: Ubuntu Packages
        OS/Version: unspecified
            Status: UNCONFIRMED
          Severity: normal
          Priority: NOR
         Component: general
        AssignedTo: unassigned-bugs at kde.org
        ReportedBy: jtslau at gmail.com


Version:            (using KDE 4.4.0)
Installed from:    Ubuntu Packages

Dragging and dropping a file to an Application Icon in the Panel should
theoretically opens the file with the Application it was dropped to.  However,
with KDE 4.4 this was not exactly the case.  The problem is that after adding
an Application to the Panel, the command that executes the Application goes
something like "app %U" or "app %F".  The command is correct, as in any UNIX
console, the command would execute the application with the respected Job
Control ID (either %U or %F).  However, if dropping a file (for example a text
file) onto a previously created Application shortcut in panel (for example,
kate), the command that executes kate in the KDE panel is "kate %U".  What
happens after you drag a text file onto an application (kate) is that kate does
open, but opens the text file as well as a blank text file with filename %U. 
Obviously KDE is interpreting the %U in the command as a file argument rather
than a Job Control ID (in this case %U, don't know if I got the terminology
right with Job ID).  So with an application that can take multiple file as
input argument, this will just open %U and the respected file, but with an
application that only take 1 file as input argument, usually the first argument
is %U, and when taken as a file argument, the application goes haywire (i.e.,
file not recognised etc.)

To reproduce this file (in Kubuntu 9.10 at least):
1. Get Kate
2. Go to Kate's entry in Kicker, right click on Kate, click on Create
Application in Panel.
3. Create a text file anywhere you like.
4. Try dragging the text file to the Kate icon in the Panel (which should open
the text file with Kate).
5. Kate should open with described problem, (i.e., opening with %U and the text
file.)

Workaround:
A workaround is to change the command of the Application in the panel to just
execute a command without and job identifiers.  This has two problems:
1. All applications added to the panel must have their commands edited
manually, this is a hassle.
2. This seems broken, adding an Application into the Panel should have
functionalities working right away.  (Point of note: GNOME does this correctly,
even with the Job Identifiers)

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