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428
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1 * Sun May 3 1998 Oliver Graf <ograf@fga.de>
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2
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3 This path contains test code for the new XEmacs
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4 Drag'n'Drop code.
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5
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6 To test the code do the following:
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7 1) call 'bash droptest.sh' to create the test files in /tmp
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8 2) load and eval droptest.el in XEmacs
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9 3) Try to do some internal DnD by using the sources and targets
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10 in the new buffer
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11 4) Do some external DnD:
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12 4a) OffiX: use files and editor of OffiX
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13 drag something from files or editor into XEmacs
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14 drag something from XEmacs to xv (only with OffiX patch,
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15 editor or files -- files can only move and copy within
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16 itself, cause OffiX is not quite the right thing to do)
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17 4b) CDE: use dtfile and dtpad instead, but here everything should
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18 work.
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19 4c) MSWindows: well, explorer should do. But only file data
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20 should work, and I don't know if the test
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21 already handles this.
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22
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23 The misc-user-event now also responds as a button-x-event
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24 to the event-* query functions.
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25
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26 The function of a drag is called dragdrop-drop-dispatch
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27 as you can see in droptest.el. From within the function
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28 you can access the actual misc-user-event through the
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29 current-mouse-event variable.
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30
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31 Short description of the object part of a drop misc-user-event:
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32 ( TYPE . DATA )
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33 TYPE is either the symbol dragdrop_MIME
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34 or the symbol dragdrop_URL
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35
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36 DATA is a list of URL strings if TYPE is dragdrop_URL
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37 if TYPE is dragdrop_MIME DATA is either a string
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38 which contains the MIME data, or it is a list of
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39 ( CONTENT-TYPE CONTENT-ENCODING MIME-DATA )
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40 CONTENT-TYPE is encoded for tm-view (list, first element type,
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41 rest key.value conses)
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42 CONTENT-ENCODING is a string
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43 MIME-DATA is a string
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44
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45 CONTENT-TYPE and -ENCODING can be directly supplied to mime/viewer-mode.
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46
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