octave::display_info Class Reference

#include "display.h"

Collaboration diagram for octave::display_info:

Static Public Member Functions
static int	depth (void)
static bool	display_available (void)
static bool	display_available (std::string &msg)
static int	height (void)
static void	no_window_system (void)
static int	width (void)
static double	x_dpi (void)
static double	y_dpi (void)

Protected Member Functions
	display_info (void)
	display_info (const std::string &dpy_name)
	display_info (bool query)
	display_info (const std::string &dpy_name, bool query)

Private Member Functions
int	do_depth (void) const
bool	do_display_available (std::string &msg) const
int	do_height (void) const
int	do_width (void) const
double	do_x_dpi (void) const
double	do_y_dpi (void) const
void	init (const std::string &dpy_name="", bool query=true)

Static Private Member Functions
static void	cleanup_instance (void)
static bool	instance_ok (bool query=true)

Private Attributes
int	m_dp
bool	m_dpy_avail
std::string	m_err_msg
int	m_ht
double	m_rx
double	m_ry
int	m_wd

Static Private Attributes
static display_info *	instance = nullptr

Detailed Description

Definition at line 34 of file display.h.

Constructor & Destructor Documentation

display_info() [1/4]

octave::display_info::display_info ( void  )

inlineprotected

Definition at line 40 of file display.h.

Referenced by instance_ok().

display_info() [2/4]

octave::display_info::display_info ( const std::string &  dpy_name )

inlineexplicitprotected

Definition at line 47 of file display.h.

display_info() [3/4]

octave::display_info::display_info ( bool  query )

inlineexplicitprotected

Definition at line 54 of file display.h.

display_info() [4/4]

octave::display_info::display_info ( const std::string &  dpy_name, bool  query  )

inlineexplicitprotected

Definition at line 61 of file display.h.

Member Function Documentation

cleanup_instance()

static void octave::display_info::cleanup_instance ( void  )

inlinestaticprivate

Definition at line 117 of file display.h.

Referenced by instance_ok().

depth()

static int octave::display_info::depth ( void  )

inlinestatic

Definition at line 80 of file display.h.

Referenced by default_screendepth().

display_available() [1/2]

static bool octave::display_info::display_available ( void  )

inlinestatic

Definition at line 95 of file display.h.

References string.

Referenced by Fhave_window_system(), and G__init_fltk__().

display_available() [2/2]

static bool octave::display_info::display_available ( std::string &  msg )

inlinestatic

Definition at line 101 of file display.h.

do_depth()

int octave::display_info::do_depth ( void  ) const

inlineprivate

Definition at line 134 of file display.h.

do_display_available()

bool octave::display_info::do_display_available ( std::string &  msg ) const

inlineprivate

Definition at line 139 of file display.h.

do_height()

int octave::display_info::do_height ( void  ) const

inlineprivate

Definition at line 132 of file display.h.

do_width()

int octave::display_info::do_width ( void  ) const

inlineprivate

Definition at line 133 of file display.h.

do_x_dpi()

double octave::display_info::do_x_dpi ( void  ) const

inlineprivate

Definition at line 136 of file display.h.

do_y_dpi()

double octave::display_info::do_y_dpi ( void  ) const

inlineprivate

Definition at line 137 of file display.h.

height()

static int octave::display_info::height ( void  )

inlinestatic

Definition at line 70 of file display.h.

Referenced by default_screensize().

init()

void octave::display_info::init ( const std::string &  dpy_name = "", bool  query = true  )

private

Definition at line 41 of file display.cc.

References m_dp, m_dpy_avail, m_err_msg, m_ht, m_rx, m_ry, m_wd, and octave_get_display_info().

instance_ok()

bool octave::display_info::instance_ok ( bool  query = true )

staticprivate

Definition at line 62 of file display.cc.

References singleton_cleanup_list::add(), cleanup_instance(), display_info(), error(), instance, and retval.

no_window_system()

static void octave::display_info::no_window_system ( void  )

inlinestatic

Definition at line 108 of file display.h.

width()

static int octave::display_info::width ( void  )

inlinestatic

Definition at line 75 of file display.h.

Referenced by default_screensize().

x_dpi()

static double octave::display_info::x_dpi ( void  )

inlinestatic

Definition at line 85 of file display.h.

Referenced by default_screenpixelsperinch().

y_dpi()

static double octave::display_info::y_dpi ( void  )

inlinestatic

Definition at line 90 of file display.h.

Referenced by default_screenpixelsperinch().

Member Data Documentation

instance

display_info * octave::display_info::instance = nullptr

staticprivate

Definition at line 115 of file display.h.

Referenced by instance_ok().

m_dp

int octave::display_info::m_dp

private

Definition at line 122 of file display.h.

Referenced by init().

m_dpy_avail

bool octave::display_info::m_dpy_avail

private

Definition at line 128 of file display.h.

Referenced by init().

m_err_msg

std::string octave::display_info::m_err_msg

private

Definition at line 130 of file display.h.

Referenced by init().

m_ht

int octave::display_info::m_ht

private

Definition at line 120 of file display.h.

Referenced by init().

m_rx

double octave::display_info::m_rx

private

Definition at line 125 of file display.h.

Referenced by init().

m_ry

double octave::display_info::m_ry

private

Definition at line 126 of file display.h.

Referenced by init().

m_wd

int octave::display_info::m_wd

private

Definition at line 121 of file display.h.

Referenced by init().

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The documentation for this class was generated from the following files:

• libinterp/corefcn/display.h
• libinterp/corefcn/display.cc