.TH "wayland::server::region_t" 3 "Wed May 3 2023" "Version 1.0.0" "Wayland++" \" -*- nroff -*-
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.SH NAME
wayland::server::region_t \- region interface  

.SH SYNOPSIS
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.PP
.PP
\fC#include <wayland\-server\-protocol\&.hpp>\fP
.PP
Inherits wayland::server::resource_t\&.
.SS "Public Member Functions"

.in +1c
.ti -1c
.RI "std::function< void()> & \fBon_destroy\fP ()"
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.RI "destroy region "
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.RI "std::function< void(int32_t, int32_t, int32_t, int32_t)> & \fBon_add\fP ()"
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.RI "add rectangle to region "
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.RI "std::function< void(int32_t, int32_t, int32_t, int32_t)> & \fBon_subtract\fP ()"
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.RI "subtract rectangle from region "
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.RI "bool \fBproxy_has_object\fP () const"
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.RI "Check whether this wrapper actually wraps an object\&. "
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.RI "void \fBpost_no_memory\fP () const"
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.RI "uint32_t \fBget_id\fP () const"
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.RI "client_t \fBget_client\fP () const"
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.RI "unsigned int \fBget_version\fP () const"
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.RI "std::string \fBget_class\fP ()"
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.in -1c
.SH "Detailed Description"
.PP 
region interface 

A region object describes an area\&.
.PP
Region objects are used to describe the opaque and input regions of a surface\&. 
.PP
Definition at line \fB4042\fP of file \fBwayland\-server\-protocol\&.hpp\fP\&.
.SH "Member Function Documentation"
.PP 
.SS "std::string wayland::server::resource_t::get_class ()\fC [inherited]\fP"
Retrieve the interface name (class) of a resource object\&.
.PP
\fBReturns\fP
.RS 4
Interface name of the resource object\&. 
.RE
.PP

.SS "client_t wayland::server::resource_t::get_client () const\fC [inherited]\fP"
Get the associated client
.PP
\fBReturns\fP
.RS 4
the client that owns the resource\&. 
.RE
.PP

.SS "uint32_t wayland::server::resource_t::get_id () const\fC [inherited]\fP"
Get the internal ID of the resource
.PP
\fBReturns\fP
.RS 4
the internal ID of the resource 
.RE
.PP

.SS "unsigned int wayland::server::resource_t::get_version () const\fC [inherited]\fP"
Get interface version
.PP
\fBReturns\fP
.RS 4
Interface version this resource has been constructed with\&. 
.RE
.PP

.SS "std::function< void(int32_t, int32_t, int32_t, int32_t)> & region_t::on_add ()"

.PP
add rectangle to region 
.PP
\fBParameters\fP
.RS 4
\fIx\fP region-local x coordinate 
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\fIy\fP region-local y coordinate 
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\fIwidth\fP rectangle width 
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\fIheight\fP rectangle height
.RE
.PP
Add the specified rectangle to the region\&. 
.PP
Definition at line \fB3048\fP of file \fBwayland\-server\-protocol\&.cpp\fP\&.
.SS "std::function< void()> & region_t::on_destroy ()"

.PP
destroy region Destroy the region\&. This will invalidate the object ID\&. 
.PP
Definition at line \fB3042\fP of file \fBwayland\-server\-protocol\&.cpp\fP\&.
.SS "std::function< void(int32_t, int32_t, int32_t, int32_t)> & region_t::on_subtract ()"

.PP
subtract rectangle from region 
.PP
\fBParameters\fP
.RS 4
\fIx\fP region-local x coordinate 
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\fIy\fP region-local y coordinate 
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\fIwidth\fP rectangle width 
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\fIheight\fP rectangle height
.RE
.PP
Subtract the specified rectangle from the region\&. 
.PP
Definition at line \fB3054\fP of file \fBwayland\-server\-protocol\&.cpp\fP\&.
.SS "void wayland::server::resource_t::post_no_memory () const\fC [inherited]\fP"
Post 'not enough memory' error to the client
.PP
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\&. 
.SS "bool wayland::server::resource_t::proxy_has_object () const\fC [inherited]\fP"

.PP
Check whether this wrapper actually wraps an object\&. 
.PP
\fBReturns\fP
.RS 4
true if there is an underlying object, false if this wrapper is empty 
.RE
.PP


.SH "Author"
.PP 
Generated automatically by Doxygen for Wayland++ from the source code\&.