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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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284
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6 Currently only drops are of interest. The internal
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7 functions only work for OffiX and MSWindows. CDE
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8 is broken with this.
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9
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10 The OffiX functions in mouse.el also work no longer,
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11 because drops are now misc-user-events.
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12
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13 The misc-user-event now also responds as a button-x-event
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14 to the event-* query functions.
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15
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16 The function of a drag is called dragdrop-drop-dispatch
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17 as you can see in droptest.el. From within the function
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18 you can access the actual misc-user-event through the
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19 current-mouse-event variable.
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20
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21 dragtest.el works theoretically, but it needs to be
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22 adapted to some new scheme fitting the drop code (droptest.el
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23 has it's own dragsources).
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24
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25 Short description of the object part of a drop misc-user-event:
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26 ( TYPE . DATA )
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27 TYPE is either the symbol dragdrop_MIME
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28 or the symbol dragdrop_URL
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29
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30 DATA is a list of URL strings if TYPE is dragdrop_URL
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31 if TYPE is dragdrop_MIME DATA is either a string
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32 which contains the MIME data, or it is a list of
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33 ( CONTENT-TYPE CONTENT-ENCODING MIME-DATA )
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34 CONTENT-TYPE is encoded for tm-view (list, first element type,
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35 rest key.value conses)
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36 CONTENT-ENCODING is a string
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37 MIME-DATA is a string
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38
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39 CONTENT-TYPE and -ENCODING can be directly supplied to mime/viewer-mode.
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40
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