</interface>
<interface name="wl_shell" version="1">
+ <description summary="create desktop-style surfaces">
+ This interface is implemented by servers that provide
+ desktop-style user interfaces.
+
+ It allows clients to associate a wl_shell_surface with
+ a basic surface.
+ </description>
+
<request name="get_shell_surface">
+ <description summary="create a shell surface from a surface">
+ Create a shell surface for an existing surface.
+
+ Only one shell surface can be associated with a given surface.
+ </description>
<arg name="id" type="new_id" interface="wl_shell_surface"/>
<arg name="surface" type="object" interface="wl_surface"/>
</request>
<interface name="wl_shell_surface" version="1">
- <description summary="desktop style meta data interface">
- An interface implemented by a wl_surface. On server side the
- object is automatically destroyed when the related wl_surface is
- destroyed. On client side, wl_shell_surface_destroy() must be
- called before destroying the wl_surface object.
+ <description summary="desktop-style metadata interface">
+ An interface that may be implemented by a wl_surface, for
+ implementations that provide a desktop-style user interface.
+
+ It provides requests to treat surfaces like toplevel, fullscreen
+ or popup windows, move, resize or maximize them, associate
+ metadata like title and class, etc.
+
+ On the server side the object is automatically destroyed when
+ the related wl_surface is destroyed. On client side,
+ wl_shell_surface_destroy() must be called before destroying
+ the wl_surface object.
</description>
<request name="pong">
A client must respond to a ping event with a pong request or
the client may be deemed unresponsive.
</description>
- <arg name="serial" type="uint"/>
+ <arg name="serial" type="uint" summary="serial of the ping event"/>
</request>
<request name="move">
- <arg name="seat" type="object" interface="wl_seat"/>
- <arg name="serial" type="uint"/>
+ <description summary="start an interactive move">
+ Start a pointer-driven move of the surface.
+
+ This request must be used in response to a button press event.
+ The server may ignore move requests depending on the state of
+ the surface (e.g. fullscreen or maximized).
+ </description>
+ <arg name="seat" type="object" interface="wl_seat" summary="the wl_seat whose pointer is used"/>
+ <arg name="serial" type="uint" summary="serial of the implicit grab on the pointer"/>
</request>
<enum name="resize">
+ <description summary="edge values for resizing">
+ These values are used to indicate which edge of a surface
+ is being dragged in a resize operation. The server may
+ use this information to adapt its behavior, e.g. choose
+ an appropriate cursor image.
+ </description>
<entry name="none" value="0"/>
<entry name="top" value="1"/>
<entry name="bottom" value="2"/>
</enum>
<request name="resize">
- <arg name="seat" type="object" interface="wl_seat"/>
- <arg name="serial" type="uint"/>
- <arg name="edges" type="uint"/>
+ <description summary="start an interactive resize">
+ Start a pointer-driven resizing of the surface.
+
+ This request must be used in response to a button press event.
+ The server may ignore resize requests depending on the state of
+ the surface (e.g. fullscreen or maximized).
+ </description>
+ <arg name="seat" type="object" interface="wl_seat" summary="the wl_seat whose pointer is used"/>
+ <arg name="serial" type="uint" summary="serial of the implicit grab on the pointer"/>
+ <arg name="edges" type="uint" summary="which edge or corner is being dragged"/>
</request>
<request name="set_toplevel">
- <description summary="make the surface a top level surface">
- Make the surface a toplevel window.
+ <description summary="make the surface a toplevel surface">
+ Map the surface as a toplevel surface.
+
+ A toplevel surface is not fullscreen, maximized or transient.
</description>
</request>
<enum name="transient">
+ <description summary="details of transient behaviour">
+ These flags specify details of the expected behaviour
+ of transient surfaces. Used in the set_transient request.
+ </description>
<entry name="inactive" value="0x1" summary="do not set keyboard focus"/>
</enum>
<request name="set_transient">
<description summary="make the surface a transient surface">
- Map the surface relative to an existing surface. The x and y
- arguments specify the locations of the upper left corner of
- the surface relative to the upper left corner of the parent
- surface. The flags argument controls overflow/clipping
- behaviour when the surface would intersect a screen edge,
- panel or such. And possibly whether the offset only
- determines the initial position or if the surface is locked to
- that relative position during moves.
+ Map the surface relative to an existing surface.
+
+ The x and y arguments specify the locations of the upper left
+ corner of the surface relative to the upper left corner of the
+ parent surface.
+
+ The flags argument controls details of the transient behaviour.
</description>
<arg name="parent" type="object" interface="wl_surface"/>
<arg name="flags" type="uint"/>
</request>
+ <enum name="fullscreen_method">
+ <description summary="different method to set the surface fullscreen">
+ Hints to indicate to the compositor how to deal with a conflict
+ between the dimensions of the surface and the dimensions of the
+ output. The compositor is free to ignore this parameter.
+ </description>
+ <entry name="default" value="0" summary="no preference, apply default policy"/>
+ <entry name="scale" value="1" summary="scale, preserve the surface's aspect ratio and center on output"/>
+ <entry name="driver" value="2" summary="switch output mode to the smallest mode that can fit the surface, add black borders to compensate size mismatch"/>
+ <entry name="fill" value="3" summary="no scaling, center on output and add black borders to compensate size mismatch"/>
+ </enum>
+
<request name="set_fullscreen">
<description summary="make the surface a fullscreen surface">
- Map the surface as a fullscreen surface. If an output parameter is
- given then the surface will be made fullscreen on that output. If the
- client does not specify the output then the compositor will apply its
- policy - usually choosing the output on which the surface has the
- biggest surface area.
+ Map the surface as a fullscreen surface.
- The client may specify a method to resolve a size conflict between the
- output size and the surface size - this is provided through the
- fullscreen_method parameter.
+ If an output parameter is given then the surface will be made
+ fullscreen on that output. If the client does not specify the
+ output then the compositor will apply its policy - usually
+ choosing the output on which the surface has the biggest surface
+ area.
- The framerate parameter is used only when the fullscreen_method is set
- to "driver", to indicate the preferred framerate. framerate=0 indicates
- that the app does not care about framerate. The framerate is
- specified in mHz, that is framerate of 60000 is 60Hz.
+ The client may specify a method to resolve a size conflict
+ between the output size and the surface size - this is provided
+ through the method parameter.
- The compositor must reply to this request with a configure event with
- the dimensions for the output on which the surface will be made fullscreen.
+ The framerate parameter is used only when the method is set
+ to "driver", to indicate the preferred framerate. A value of 0
+ indicates that the app does not care about framerate. The
+ framerate is specified in mHz, that is framerate of 60000 is 60Hz.
+
+ The compositor must reply to this request with a configure event
+ with the dimensions for the output on which the surface will
+ be made fullscreen.
</description>
<arg name="method" type="uint"/>
<arg name="framerate" type="uint"/>
<arg name="output" type="object" interface="wl_output" allow-null="true"/>
</request>
- <enum name="fullscreen_method">
- <description summary="different method to set the surface fullscreen">
- Hints to indicate compositor how to deal with a conflict between the
- dimensions for the surface and the dimensions of the output. As a hint
- the compositor is free to ignore this parameter.
-
- "default" The client has no preference on fullscreen behavior,
- policies are determined by compositor.
+ <request name="set_popup">
+ <description summary="make the surface a popup surface">
+ Map the surface as a popup.
- "scale" The client prefers scaling by the compositor. Scaling would
- always preserve surface's aspect ratio with surface centered on the
- output
+ A popup surface is a transient surface with an added pointer
+ grab.
- "driver" The client wants to switch video mode to the smallest mode
- that can fit the client buffer. If the sizes do not match the
- compositor must add black borders.
+ An existing implicit grab will be changed to owner-events mode,
+ and the popup grab will continue after the implicit grab ends
+ (i.e. releasing the mouse button does not cause the popup to
+ be unmapped).
- "fill" The surface is centered on the output on the screen with no
- scaling. If the surface is of insufficient size the compositor must
- add black borders.
- </description>
- <entry name="default" value="0"/>
- <entry name="scale" value="1"/>
- <entry name="driver" value="2"/>
- <entry name="fill" value="3"/>
- </enum>
-
- <request name="set_popup">
- <description summary="make the surface a popup surface">
- Popup surfaces. Will switch an implicit grab into
- owner-events mode, and grab will continue after the implicit
- grab ends (button released). Once the implicit grab is over,
- the popup grab continues until the window is destroyed or a
- mouse button is pressed in any other clients window. A click
+ The popup grab continues until the window is destroyed or a
+ mouse button is pressed in any other clients window. A click
in any of the clients surfaces is reported as normal, however,
clicks in other clients surfaces will be discarded and trigger
the callback.
-
- TODO: Grab keyboard too, maybe just terminate on any click
- inside or outside the surface?
</description>
- <arg name="seat" type="object" interface="wl_seat"/>
- <arg name="serial" type="uint"/>
+ <arg name="seat" type="object" interface="wl_seat" summary="the wl_seat whose pointer is used"/>
+ <arg name="serial" type="uint" summary="serial of the implicit grab on the pointer"/>
<arg name="parent" type="object" interface="wl_surface"/>
<arg name="x" type="int"/>
<arg name="y" type="int"/>
<request name="set_maximized">
<description summary="make the surface a maximized surface">
- A request from the client to notify the compositor the maximized
- operation. The compositor will reply with a configure event telling
- the expected new surface size. The operation is completed on the
- next buffer attach to this surface.
- A maximized client will fill the fullscreen of the output it is bound
- to, except the panel area. This is the main difference between
- a maximized shell surface and a fullscreen shell surface.
+ Map the surface as a maximized surface.
+
+ If an output parameter is given then the surface will be
+ maximized on that output. If the client does not specify the
+ output then the compositor will apply its policy - usually
+ choosing the output on which the surface has the biggest surface
+ area.
+
+ The compositor will reply with a configure event telling
+ the expected new surface size. The operation is completed
+ on the next buffer attach to this surface.
+
+ A maximized surface typically fills the entire output it is
+ bound to, except for desktop element such as panels. This is
+ the main difference between a maximized shell surface and a
+ fullscreen shell surface.
+
+ The details depend on the compositor implementation.
</description>
<arg name="output" type="object" interface="wl_output" allow-null="true"/>
</request>
<request name="set_title">
<description summary="set surface title">
+ Set a short title for the surface.
+
+ This string may be used to identify the surface in a task bar,
+ window list, or other user interface elements provided by the
+ compositor.
+
+ The string must be encoded in UTF-8.
</description>
<arg name="title" type="string"/>
</request>
<request name="set_class">
<description summary="set surface class">
+ Set a class for the surface.
+
The surface class identifies the general class of applications
- to which the surface belongs. The class is the file name of
- the applications .desktop file (absolute path if non-standard
- location).
+ to which the surface belongs. A common convention is to use
+ the file name (full path if non-standard location) of the
+ applications .desktop file as the class.
</description>
<arg name="class_" type="string"/>
</request>
<event name="configure">
<description summary="suggest resize">
The configure event asks the client to resize its surface.
+
The size is a hint, in the sense that the client is free to
ignore it if it doesn't resize, pick a smaller size (to
- satisfy aspect ratio or resize in steps of NxM pixels). The
- client is free to dismiss all but the last configure event it
- received.
+ satisfy aspect ratio or resize in steps of NxM pixels).
+
+ The edges parameter provides a hint about how the surface
+ was resized. The client may use this information to decide
+ how to adjust its content to the new size (e.g. a scrolling
+ area might adjust its content position to leave the viewable
+ content unmoved).
+
+ The client is free to dismiss all but the last configure
+ event it received.
</description>
<arg name="edges" type="uint"/>
projects / profile / ivi / wayland.git / commitdiff