wayland_server_region_t - Man Page
region interface
Synopsis
#include <wayland-server-protocol.hpp>
Inherits wayland::server::resource_t.
Public Member Functions
std::function< void()> & on_destroy ()
destroy region
std::function< void(int32_t, int32_t, int32_t, int32_t)> & on_add ()
add rectangle to region
std::function< void(int32_t, int32_t, int32_t, int32_t)> & on_subtract ()
subtract rectangle from region
bool proxy_has_object () const
Check whether this wrapper actually wraps an object.
void post_no_memory () const
uint32_t get_id () const
client_t get_client () const
unsigned int get_version () const
std::string get_class ()
Detailed Description
region interface
A region object describes an area.
Region objects are used to describe the opaque and input regions of a surface.
Definition at line 4043 of file wayland-server-protocol.hpp.
Member Function Documentation
std::string wayland::server::resource_t::get_class () [inherited]
Retrieve the interface name (class) of a resource object.
- Returns
Interface name of the resource object.
client_t wayland::server::resource_t::get_client () const [inherited]
Get the associated client
- Returns
the client that owns the resource.
uint32_t wayland::server::resource_t::get_id () const [inherited]
Get the internal ID of the resource
- Returns
the internal ID of the resource
unsigned int wayland::server::resource_t::get_version () const [inherited]
Get interface version
- Returns
Interface version this resource has been constructed with.
std::function< void(int32_t, int32_t, int32_t, int32_t)> & region_t::on_add ()
add rectangle to region
- Parameters
x region-local x coordinate
y region-local y coordinate
width rectangle width
height rectangle height
Add the specified rectangle to the region.
Definition at line 3048 of file wayland-server-protocol.cpp.
std::function< void()> & region_t::on_destroy ()
destroy region Destroy the region. This will invalidate the object ID.
Definition at line 3042 of file wayland-server-protocol.cpp.
std::function< void(int32_t, int32_t, int32_t, int32_t)> & region_t::on_subtract ()
subtract rectangle from region
- Parameters
x region-local x coordinate
y region-local y coordinate
width rectangle width
height rectangle height
Subtract the specified rectangle from the region.
Definition at line 3054 of file wayland-server-protocol.cpp.
void wayland::server::resource_t::post_no_memory () const [inherited]
Post 'not enough memory' error to the client
If the compositor has not enough memory to fulfill a certail request of the client, this function can be called to notify the client of this circumstance.
bool wayland::server::resource_t::proxy_has_object () const [inherited]
Check whether this wrapper actually wraps an object.
- Returns
true if there is an underlying object, false if this wrapper is empty
Author
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