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Use a transient object for the dnd session

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This commit is contained in:
Kristian Høgsberg 2010-09-02 20:22:42 -04:00
parent 5c63df7f1e
commit e9d37bdc5f
10 changed files with 448 additions and 428 deletions
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104
protocol.xml
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@ -66,7 +66,7 @@
</interface>
<interface name="buffer" version="1">
<request name="destroy"/>
<request name="destroy" type="destructor"/>
</interface>
<interface name="shell" version="1">
@ -84,6 +84,10 @@
<arg name="edges" type="uint"/>
</request>
<request name="create_drag">
<arg name="id" type="new_id" interface="drag"/>
</request>
<event name="configure">
<arg name="time" type="uint"/>
<!-- Same as edges except also move (16) -->
@ -97,46 +101,65 @@
</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"/>
</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"/>
<request name="activate">
<arg name="surface" type="object" interface="surface"/>
<arg name="input_device" type="object" interface="input_device"/>
<arg name="time" type="uint"/>
</request>
<!-- Cancel the drag. -->
<request name="cancel"/>
<!-- Destroy the drag and cancel the session. -->
<request name="destroy" type="destructor"/>
<!-- Called by the drag target to accept the offer of the given
type -->
<!-- Sent when a target accepts pointer_focus or 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 when the drag is finished. The final mime type is that
of the last target event. If that was NULL, no drag target
was valid when the drag finished, fd is undefined and the
source should not send data. The event is also sent in case
a drag source tries to activate a drag after the grab was
released, in which case mime_type will also be NULL. -->
<event name="finish">
<arg name="fd" type="fd"/>
</event>
</interface>
<interface name="drag_offer" version="1">
<!-- Call to accept the offer of the given type -->
<request name="accept">
<arg name="time" type="uint"/>
<arg name="type" type="string"/>
</request>
<!-- Called by the drag target to initiate the drag finish
sequence. Send the pipe fd to the compositor, which forwards
it to the source in the 'finish' event -->
<!-- Called to initiate the drag finish sequence. Sends the pipe
fd to the compositor, which forwards it to the source in the
'finish' event -->
<request name="receive">
<arg name="fd" type="fd"/>
</request>
<!-- Sent at connect time to announce the association -->
<event name="device">
<arg name="device" type="object" interface="input_device"/>
<!-- Sent before 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::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. -->
<!-- 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, at which point the
drag object may no longer be valid. -->
<event name="pointer_focus">
<arg name="time" type="uint"/>
<arg name="surface" type="object" interface="surface"/>
@ -146,12 +169,6 @@
<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">
@ -162,34 +179,15 @@
<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 target, to indicate that the drag is finishing. The
last motion/pointer_focus event gives the location of the
drop. Target must respond with the 'receive' request, which
sends an fd to the source for writing the drag data. -->
<!-- Sent to indicate that the drag is finishing. The last
motion/pointer_focus event gives the location of the drop.
Target must respond with the 'receive' request, which sends
an fd to the source for writing the drag data. -->
<event name="drop"/>
<!-- Sent to drag source when the drag is finished. The final
mime type is that of the last target event. If that was
NULL, no drag target was valid when the drag finished, fd is
undefined and the source should not send data. The event is
also sent in case a drag source tries to activate a drag
after the grab was released, in which case mime_type will
also be NULL. -->
<event name="finish">
<arg name="fd" type="fd"/>
</event>
</interface>
<interface name="surface" version="1">
<request name="destroy"/>
<request name="destroy" type="destructor"/>
<request name="attach">
<arg name="buffer" type="object" interface="buffer"/>