sge::opengl::glx::extension_set
sge::opengl::glx::get_extensions(
awl::backends::x11::display const &_display
)
{
#if defined(GLX_VERSION_1_1)
const char *const result(
::glXQueryExtensionsString(
_display.get(),
awl::backends::x11::default_screen(
_display
).get()
)
);
return
result
==
nullptr
?
sge::opengl::glx::extension_set()
:
sge::opengl::parse_extensions<
sge::opengl::glx::extension
>(
result
)
;
#else
return
sge::opengl::glx::extension_set();
#endif
}
awl::backends::x11::atom
awl::backends::x11::intern_atom(
awl::backends::x11::display &_display,
std::string const &_name
)
{
Atom const ret(
::XInternAtom(
_display.get(),
_name.c_str(),
False // only if exists
)
);
if(
ret
==
None
)
throw
awl::exception{
FCPPT_TEXT("XInternAtom() failed!")
};
return
awl::backends::x11::atom(
ret
);
}
awl::backends::x11::visual::object_unique_ptr
awl::backends::x11::visual::default_(
awl::backends::x11::display &_display,
awl::backends::x11::screen const _screen
)
{
Visual *const visual(
::XDefaultVisual(
_display.get(),
_screen.get()
)
);
FCPPT_ASSERT_POST(
visual,
awl::exception
);
return
awl::backends::x11::visual::object_unique_ptr(
fcppt::make_unique_ptr<
awl::backends::x11::visual::wrapped
>(
awl::backends::x11::visual::create_info(
_display,
*visual
)
)
);
}
bool
sge::x11input::xi_version(
awl::backends::x11::display &_display,
int const _major,
int const _minor
)
{
// BadRequest will be generated if the
// server doesn't support XI2 at all.
// Otherwise the version the server actually supports is returned.
int
major_ret(
_major
),
minor_ret(
_minor
);
return
::XIQueryVersion(
_display.get(),
&major_ret,
&minor_ret
)
!= BadRequest
&&
(
major_ret > _major
||
(
_major == major_ret
&& minor_ret >= _minor
)
);
}
sge::x11input::atom_name::atom_name(
awl::backends::x11::display &_display,
Atom const _atom
)
:
name_(
::XGetAtomName(
_display.get(),
_atom
)
)
{
}
awl::backends::x11::cursor::holder_unique_ptr
awl::backends::x11::cursor::create_pixmap(
awl::backends::x11::display const &_display,
awl::backends::x11::cursor::source_pixmap const &_source_pixmap,
awl::backends::x11::cursor::dest_pixmap const &_dest_pixmap,
awl::backends::x11::cursor::foreground_color const &_foreground_color,
awl::backends::x11::cursor::background_color const &_background_color,
awl::cursor::hotspot const _hotspot
)
{
Cursor const result{
::XCreatePixmapCursor(
_display.get(),
_source_pixmap.get().get(),
_dest_pixmap.get().get(),
const_cast<
XColor *
>(
&_foreground_color.get()
),
const_cast<
XColor *
>(
&_background_color.get()
),
_hotspot.x(),
_hotspot.y()
)
};
if(
result
==
None
)
throw
awl::exception{
FCPPT_TEXT("XCreatePixmapCursor failed!")
};
return
fcppt::make_unique_ptr<
awl::backends::x11::cursor::holder
>(
_display,
result
);
}
awl::backends::x11::system::event::object
awl::backends::x11::system::event::next(
awl::backends::x11::display &_display
)
{
XEvent event;
// always returns 0
::XNextEvent(
_display.get(),
&event
);
return
awl::backends::x11::system::event::object(
event
);
}
awl::backends::x11::window::base_unique_ptr
awl::backends::x11::window::root(
awl::backends::x11::display &_display,
awl::backends::x11::screen const _screen
)
{
return
fcppt::unique_ptr_to_base<
awl::backends::x11::window::base
>(
fcppt::make_unique_ptr<
awl::backends::x11::window::wrapped
>(
_display,
_screen,
::XRootWindow(
_display.get(),
_screen.get()
)
)
);
}
Window
awl::backends::x11::window::create(
awl::window::optional_pos const &_position,
awl::window::optional_dim const &_dim,
awl::backends::x11::display &_display,
awl::backends::x11::screen const _screen,
awl::backends::x11::colormap const &_colormap,
awl::backends::x11::visual::object const &_visual,
awl::backends::x11::cursor::const_optional_object_ref const &_cursor
)
{
unsigned long value_mask(
CWColormap
|
CWBorderPixel
|
CWEventMask
);
XSetWindowAttributes swa;
swa.colormap = _colormap.get();
swa.border_pixel = 0;
swa.event_mask = StructureNotifyMask | FocusChangeMask;
if(
_cursor
)
{
swa.cursor = _cursor->get();
value_mask |= CWCursor;
}
// always returns a handle
return
::XCreateWindow(
_display.get(),
::XRootWindow(
_display.get(),
_screen.get()
),
_position
?
_position->x()
:
0
,
_position
?
_position->y()
:
0
,
_dim
?
_dim->w()
:
1u
,
_dim
?
_dim->h()
:
1u
,
// border_width
0,
_visual.depth(),
InputOutput,
_visual.get(),
value_mask,
&swa
);
}