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gnome-rr

gnome-rr

Functions

GQuark gnome_rr_error_quark ()
GnomeRRScreen * gnome_rr_screen_new ()
void gnome_rr_screen_new_async ()
GnomeRRScreen * gnome_rr_screen_new_finish ()
GnomeRROutput ** gnome_rr_screen_list_outputs ()
GnomeRRCrtc ** gnome_rr_screen_list_crtcs ()
GnomeRRMode ** gnome_rr_screen_list_modes ()
GnomeRRMode ** gnome_rr_screen_list_clone_modes ()
GnomeRRCrtc * gnome_rr_screen_get_crtc_by_id ()
gboolean gnome_rr_screen_refresh ()
GnomeRROutput * gnome_rr_screen_get_output_by_id ()
GnomeRROutput * gnome_rr_screen_get_output_by_name ()
void gnome_rr_screen_get_ranges ()
gboolean gnome_rr_screen_get_dpms_mode ()
gboolean gnome_rr_screen_set_dpms_mode ()
guint32 gnome_rr_output_get_id ()
const char * gnome_rr_output_get_name ()
const guint8 * gnome_rr_output_get_edid_data ()
GnomeRRCrtc ** gnome_rr_output_get_possible_crtcs ()
GnomeRRMode * gnome_rr_output_get_current_mode ()
GnomeRRCrtc * gnome_rr_output_get_crtc ()
gboolean gnome_rr_output_is_builtin_display ()
void gnome_rr_output_get_position ()
gboolean gnome_rr_output_can_clone ()
GnomeRRMode ** gnome_rr_output_list_modes ()
GnomeRRMode * gnome_rr_output_get_preferred_mode ()
gboolean gnome_rr_output_supports_mode ()
gboolean gnome_rr_output_supports_underscanning ()
gboolean gnome_rr_output_get_is_primary ()
gboolean gnome_rr_output_get_is_underscanning ()
gint gnome_rr_output_get_backlight ()
gboolean gnome_rr_output_set_backlight ()
const char * gnome_rr_output_get_display_name ()
void gnome_rr_output_get_ids_from_edid ()
gint gnome_rr_output_get_min_backlight_step ()
void gnome_rr_output_get_physical_size ()
guint32 gnome_rr_mode_get_id ()
gboolean gnome_rr_mode_get_is_tiled ()
guint gnome_rr_mode_get_width ()
guint gnome_rr_mode_get_height ()
int gnome_rr_mode_get_freq ()
guint32 gnome_rr_crtc_get_id ()
gboolean gnome_rr_crtc_can_drive_output ()
GnomeRRMode * gnome_rr_crtc_get_current_mode ()
void gnome_rr_crtc_get_position ()
GnomeRRRotation gnome_rr_crtc_get_current_rotation ()
GnomeRRRotation gnome_rr_crtc_get_rotations ()
gboolean gnome_rr_crtc_supports_rotation ()
gboolean gnome_rr_crtc_get_gamma ()
gboolean gnome_rr_crtc_set_gamma ()

Description

Functions

gnome_rr_error_quark ()

GQuark
gnome_rr_error_quark (void);

Returns the GQuark that will be used for GError values returned by the GnomeRR API.

Returns

a GQuark used to identify errors coming from the GnomeRR API.


gnome_rr_screen_new ()

GnomeRRScreen *
gnome_rr_screen_new (GdkScreen *screen,
                     GError **error);

Creates a unique GnomeRRScreen instance for the specified screen .

Parameters

screen

the GdkScreen on which to operate

 

error

will be set if XRandR is not supported

 

Returns

a unique GnomeRRScreen instance, specific to the screen , or NULL if this could not be created, for instance if the driver does not support Xrandr 1.2. Each GdkScreen thus has a single instance of GnomeRRScreen.


gnome_rr_screen_new_async ()

void
gnome_rr_screen_new_async (GdkScreen *screen,
                           GAsyncReadyCallback callback,
                           gpointer user_data);

gnome_rr_screen_new_finish ()

GnomeRRScreen *
gnome_rr_screen_new_finish (GAsyncResult *result,
                            GError **error);

gnome_rr_screen_list_outputs ()

GnomeRROutput **
gnome_rr_screen_list_outputs (GnomeRRScreen *screen);

List all outputs

Returns

.

[array zero-terminated=1][transfer none]


gnome_rr_screen_list_crtcs ()

GnomeRRCrtc **
gnome_rr_screen_list_crtcs (GnomeRRScreen *screen);

List all CRTCs

Returns

.

[array zero-terminated=1][transfer none]


gnome_rr_screen_list_modes ()

GnomeRRMode **
gnome_rr_screen_list_modes (GnomeRRScreen *screen);

List available XRandR modes

Returns

.

[array zero-terminated=1][transfer none]


gnome_rr_screen_list_clone_modes ()

GnomeRRMode **
gnome_rr_screen_list_clone_modes (GnomeRRScreen *screen);

List available XRandR clone modes

Returns

.

[array zero-terminated=1][transfer none]


gnome_rr_screen_get_crtc_by_id ()

GnomeRRCrtc *
gnome_rr_screen_get_crtc_by_id (GnomeRRScreen *screen,
                                guint32 id);

Returns

the CRTC identified by id .

[transfer none]


gnome_rr_screen_refresh ()

gboolean
gnome_rr_screen_refresh (GnomeRRScreen *screen,
                         GError **error);

Refreshes the screen configuration, and calls the screen's callback if it exists and if the screen's configuration changed.

Parameters

screen

a GnomeRRScreen

 

error

location to store error, or NULL

 

Returns

TRUE if the screen's configuration changed; otherwise, the function returns FALSE and a NULL error if the configuration didn't change, or FALSE and a non-NULL error if there was an error while refreshing the configuration.


gnome_rr_screen_get_output_by_id ()

GnomeRROutput *
gnome_rr_screen_get_output_by_id (GnomeRRScreen *screen,
                                  guint32 id);

Returns

the output identified by id .

[transfer none]


gnome_rr_screen_get_output_by_name ()

GnomeRROutput *
gnome_rr_screen_get_output_by_name (GnomeRRScreen *screen,
                                    const char *name);

Returns

the output identified by name .

[transfer none]


gnome_rr_screen_get_ranges ()

void
gnome_rr_screen_get_ranges (GnomeRRScreen *screen,
                            int *min_width,
                            int *max_width,
                            int *min_height,
                            int *max_height);

Get the ranges of the screen

Parameters

screen

a GnomeRRScreen

 

min_width

the minimum width.

[out]

max_width

the maximum width.

[out]

min_height

the minimum height.

[out]

max_height

the maximum height.

[out]

gnome_rr_screen_get_dpms_mode ()

gboolean
gnome_rr_screen_get_dpms_mode (GnomeRRScreen *screen,
                               GnomeRRDpmsMode *mode,
                               GError **error);

Parameters

mode

The current GnomeRRDpmsMode of this screen.

[out]

gnome_rr_screen_set_dpms_mode ()

gboolean
gnome_rr_screen_set_dpms_mode (GnomeRRScreen *screen,
                               GnomeRRDpmsMode mode,
                               GError **error);

This method also disables the DPMS timeouts.


gnome_rr_output_get_id ()

guint32
gnome_rr_output_get_id (GnomeRROutput *output);

gnome_rr_output_get_name ()

const char *
gnome_rr_output_get_name (GnomeRROutput *output);

gnome_rr_output_get_edid_data ()

const guint8 *
gnome_rr_output_get_edid_data (GnomeRROutput *output,
                               gsize *size);

gnome_rr_output_get_possible_crtcs ()

GnomeRRCrtc **
gnome_rr_output_get_possible_crtcs (GnomeRROutput *output);

Parameters

output

a GnomeRROutput

 

Returns

.

[array zero-terminated=1][transfer none]


gnome_rr_output_get_current_mode ()

GnomeRRMode *
gnome_rr_output_get_current_mode (GnomeRROutput *output);

Parameters

output

a GnomeRROutput

 

Returns

the current mode of this output.

[transfer none]


gnome_rr_output_get_crtc ()

GnomeRRCrtc *
gnome_rr_output_get_crtc (GnomeRROutput *output);

Parameters

output

a GnomeRROutput

 

Returns

.

[transfer none]


gnome_rr_output_is_builtin_display ()

gboolean
gnome_rr_output_is_builtin_display (GnomeRROutput *output);

gnome_rr_output_get_position ()

void
gnome_rr_output_get_position (GnomeRROutput *output,
                              int *x,
                              int *y);

Parameters

output

a GnomeRROutput

 

x

.

[out][allow-none]

y

.

[out][allow-none]

gnome_rr_output_can_clone ()

gboolean
gnome_rr_output_can_clone (GnomeRROutput *output,
                           GnomeRROutput *clone);

gnome_rr_output_list_modes ()

GnomeRRMode **
gnome_rr_output_list_modes (GnomeRROutput *output);

Parameters

output

a GnomeRROutput

 

Returns

.

[array zero-terminated=1][transfer none]


gnome_rr_output_get_preferred_mode ()

GnomeRRMode *
gnome_rr_output_get_preferred_mode (GnomeRROutput *output);

Parameters

output

a GnomeRROutput

 

Returns

.

[transfer none]


gnome_rr_output_supports_mode ()

gboolean
gnome_rr_output_supports_mode (GnomeRROutput *output,
                               GnomeRRMode *mode);

gnome_rr_output_supports_underscanning ()

gboolean
gnome_rr_output_supports_underscanning
                               (GnomeRROutput *output);

gnome_rr_output_get_is_primary ()

gboolean
gnome_rr_output_get_is_primary (GnomeRROutput *output);

gnome_rr_output_get_is_underscanning ()

gboolean
gnome_rr_output_get_is_underscanning (GnomeRROutput *output);

gnome_rr_output_get_backlight ()

gint
gnome_rr_output_get_backlight (GnomeRROutput *output);

Returns

The currently set backlight brightness


gnome_rr_output_set_backlight ()

gboolean
gnome_rr_output_set_backlight (GnomeRROutput *output,
                               gint value,
                               GError **error);

Parameters

value

the absolute value which is 0 >= this <= 100

 

Returns

TRUE for success


gnome_rr_output_get_display_name ()

const char *
gnome_rr_output_get_display_name (GnomeRROutput *output);

gnome_rr_output_get_ids_from_edid ()

void
gnome_rr_output_get_ids_from_edid (GnomeRROutput *output,
                                   char **vendor,
                                   char **product,
                                   char **serial);

Parameters

output

a GnomeRROutput

 

vendor

.

[out][allow-none]

product

.

[out][allow-none]

serial

.

[out][allow-none]

gnome_rr_output_get_min_backlight_step ()

gint
gnome_rr_output_get_min_backlight_step
                               (GnomeRROutput *output);

Returns

The minimum backlight step available in percent


gnome_rr_output_get_physical_size ()

void
gnome_rr_output_get_physical_size (GnomeRROutput *output,
                                   int *width_mm,
                                   int *height_mm);

Parameters

output

a GnomeRROutput

 

width_mm

.

[out][allow-none]

height_mm

.

[out][allow-none]

gnome_rr_mode_get_id ()

guint32
gnome_rr_mode_get_id (GnomeRRMode *mode);

gnome_rr_mode_get_is_tiled ()

gboolean
gnome_rr_mode_get_is_tiled (GnomeRRMode *mode);

Returns TRUE if this mode is a tiled mode created for span a tiled monitor.

Parameters

mode

a GnomeRRMode

 

gnome_rr_mode_get_width ()

guint
gnome_rr_mode_get_width (GnomeRRMode *mode);

gnome_rr_mode_get_height ()

guint
gnome_rr_mode_get_height (GnomeRRMode *mode);

gnome_rr_mode_get_freq ()

int
gnome_rr_mode_get_freq (GnomeRRMode *mode);

gnome_rr_crtc_get_id ()

guint32
gnome_rr_crtc_get_id (GnomeRRCrtc *crtc);

gnome_rr_crtc_can_drive_output ()

gboolean
gnome_rr_crtc_can_drive_output (GnomeRRCrtc *crtc,
                                GnomeRROutput *output);

gnome_rr_crtc_get_current_mode ()

GnomeRRMode *
gnome_rr_crtc_get_current_mode (GnomeRRCrtc *crtc);

Parameters

crtc

a GnomeRRCrtc

 

Returns

the current mode of this crtc.

[transfer none]


gnome_rr_crtc_get_position ()

void
gnome_rr_crtc_get_position (GnomeRRCrtc *crtc,
                            int *x,
                            int *y);

Parameters

crtc

a GnomeRRCrtc

 

x

.

[out][allow-none]

y

.

[out][allow-none]

gnome_rr_crtc_get_current_rotation ()

GnomeRRRotation
gnome_rr_crtc_get_current_rotation (GnomeRRCrtc *crtc);

gnome_rr_crtc_get_rotations ()

GnomeRRRotation
gnome_rr_crtc_get_rotations (GnomeRRCrtc *crtc);

gnome_rr_crtc_supports_rotation ()

gboolean
gnome_rr_crtc_supports_rotation (GnomeRRCrtc *crtc,
                                 GnomeRRRotation rotation);

gnome_rr_crtc_get_gamma ()

gboolean
gnome_rr_crtc_get_gamma (GnomeRRCrtc *crtc,
                         int *size,
                         unsigned short **red,
                         unsigned short **green,
                         unsigned short **blue);

Parameters

crtc

a GnomeRRCrtc

 

red

the minimum width.

[out]

green

the maximum width.

[out]

blue

the minimum height.

[out]

Returns

TRUE for success


gnome_rr_crtc_set_gamma ()

gboolean
gnome_rr_crtc_set_gamma (GnomeRRCrtc *crtc,
                         int size,
                         unsigned short *red,
                         unsigned short *green,
                         unsigned short *blue);

Types and Values

GnomeRRScreen

typedef struct {
	GObject parent;

	GnomeRRScreenPrivate* priv;
} GnomeRRScreen;

GnomeRRScreenClass

typedef struct {
	GObjectClass parent_class;

        void (*changed)                (GnomeRRScreen *screen);
        void (*output_connected)       (GnomeRRScreen *screen, GnomeRROutput *output);
        void (*output_disconnected)    (GnomeRRScreen *screen, GnomeRROutput *output);
} GnomeRRScreenClass;

GnomeRROutput

typedef struct GnomeRROutput GnomeRROutput;

GnomeRRCrtc

typedef struct GnomeRRCrtc GnomeRRCrtc;

enum GnomeRRDpmsMode

Members

GNOME_RR_DPMS_ON

   

GNOME_RR_DPMS_STANDBY

   

GNOME_RR_DPMS_SUSPEND

   

GNOME_RR_DPMS_OFF

   

GNOME_RR_DPMS_UNKNOWN

   

GnomeRRMode

typedef struct GnomeRRMode GnomeRRMode;

enum GnomeRRRotation

Members

GNOME_RR_ROTATION_NEXT

   

GNOME_RR_ROTATION_0

   

GNOME_RR_ROTATION_90

   

GNOME_RR_ROTATION_180

   

GNOME_RR_ROTATION_270

   

GNOME_RR_REFLECT_X

   

GNOME_RR_REFLECT_Y

   

GNOME_RR_ERROR

#define GNOME_RR_ERROR (gnome_rr_error_quark ())

enum GnomeRRError

Members

GNOME_RR_ERROR_UNKNOWN

   

GNOME_RR_ERROR_NO_RANDR_EXTENSION

   

GNOME_RR_ERROR_RANDR_ERROR

   

GNOME_RR_ERROR_BOUNDS_ERROR

   

GNOME_RR_ERROR_CRTC_ASSIGNMENT

   

GNOME_RR_ERROR_NO_MATCHING_CONFIG

   

GNOME_RR_ERROR_NO_DPMS_EXTENSION

   

GNOME_RR_CONNECTOR_TYPE_PANEL

#define GNOME_RR_CONNECTOR_TYPE_PANEL "Panel"  /* This is a built-in LCD */
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