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First step towards drag and drop protocol

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This commit is contained in:
Kristian Høgsberg 2010-08-17 21:23:10 -04:00
parent 084d41aac1
commit eef08fbb1a
11 changed files with 444 additions and 46 deletions
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88
protocol.xml
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@ -96,6 +96,94 @@
</event>
</interface>
<interface name="drag" version="1">
<request name="prepare">
<!-- Start a drag action from given surface and device for the
grab started by the button click at time -->
<arg name="surface" type="object" interface="surface"/>
<arg name="time" type="uint"/>
<arg name="buffer" type="object" interface="buffer"/>
<arg name="hotspot_x" type="int"/>
<arg name="hotspot_y" type="int"/>
</request>
<!-- Add an offered mime type. Can be called several times to
offer multiple types, but must be called before 'activate'. -->
<request name="offer">
<arg name="type" type="string"/>
</request>
<request name="activate"/>
<!-- Cancel the drag. -->
<request name="cancel"/>
<!-- Send the data to the target that accepted the offer -->
<request name="send">
<arg name="contents" type="array"/>
</request>
<!-- Called by the drag target to accept the offer of the given
type -->
<request name="accept">
<arg name="type" type="string"/>
</request>
<!-- Sent at connect time to announce the association -->
<event name="device">
<arg name="device" type="object" interface="input_device"/>
</event>
<!-- Similar to device::pointer_focus. Sent to potential
target surfaces to offer drag data. If the device
leaves the window, the drag stops or the originator cancels
the drag, this event is sent with the NULL surface. -->
<event name="pointer_focus">
<arg name="time" type="uint"/>
<arg name="surface" type="object" interface="surface"/>
<arg name="x" type="int"/>
<arg name="y" type="int"/>
<arg name="surface_x" type="int"/>
<arg name="surface_y" type="int"/>
</event>
<!-- Sent after the pointer_focus event to announce the types
offered. One event per offered mime type. -->
<event name="offer">
<arg name="type" type="string"/>
</event>
<!-- Similar to device::motion. Sent to potential target surfaces
as the drag pointer moves around in the surface. -->
<event name="motion">
<arg name="time" type="uint"/>
<arg name="x" type="int"/>
<arg name="y" type="int"/>
<arg name="surface_x" type="int"/>
<arg name="surface_y" type="int"/>
</event>
<!-- Sent to drag originator in response to pointer_focus and
motion events. If a target does not accept any of the
offered types, type is NULL -->
<event name="target">
<arg name="mime_type" type="string"/>
</event>
<!-- Sent to drag originator when the drag is finished. It's also
sent in case an originator tries to activate a drag after the
grab was released. If the originator didn't receive a
'target' event before receiving the 'finish' event, no drag
target was found and the originator should not send data. -->
<event name="finish"/>
<!-- Sent to target, contains dragged data. Ends transaction on
the target side. -->
<event name="drop">
<arg name="contents" type="array"/>
</event>
</interface>
<interface name="surface" version="1">
<request name="destroy"/>