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GdkDisplayManager

GdkDisplayManager — Maintains a list of all open GdkDisplays

Properties

GdkDisplay * default-display Read / Write

Signals

Types and Values

Object Hierarchy

    GObject
    ╰── GdkDisplayManager

Includes

#include <gdk/gdk.h>

Description

The purpose of the GdkDisplayManager singleton object is to offer notification when displays appear or disappear or the default display changes.

Functions

gdk_display_manager_get ()

GdkDisplayManager *
gdk_display_manager_get (void);

Gets the singleton GdkDisplayManager object.

Returns

The global GdkDisplayManager singleton; gdk_parse_pargs(), gdk_init(), or gdk_init_check() must have been called first.

[transfer none]

Since: 2.2


gdk_display_manager_get_default_display ()

GdkDisplay *
gdk_display_manager_get_default_display
                               (GdkDisplayManager *display_manager);

Gets the default GdkDisplay.

Parameters

display_manager

a GdkDisplayManager

 

Returns

a GdkDisplay, or NULL if there is no default display.

[transfer none]

Since: 2.2


gdk_display_manager_set_default_display ()

void
gdk_display_manager_set_default_display
                               (GdkDisplayManager *display_manager,
                                GdkDisplay *display);

Sets display as the default display.

Parameters

display_manager

a GdkDisplayManager

 

display

a GdkDisplay

 

Since: 2.2


gdk_display_manager_list_displays ()

GSList *
gdk_display_manager_list_displays (GdkDisplayManager *display_manager);

List all currently open displays.

Parameters

display_manager

a GdkDisplayManager

 

Returns

a newly allocated GSList of GdkDisplay objects. Free this list with g_slist_free() when you are done with it.

[transfer container][element-type GdkDisplay]

Since: 2.2


gdk_display_get_core_pointer ()

GdkDevice *
gdk_display_get_core_pointer (GdkDisplay *display);

Returns the core pointer device for the given display

Parameters

display

a GdkDisplay

 

Returns

the core pointer device; this is owned by the display and should not be freed.

Since: 2.2

Types and Values

GdkDisplayManager

typedef struct _GdkDisplayManager GdkDisplayManager;

The GdkDisplayManager struct has no interesting fields.

Since: 2.2

Property Details

The “default-display” property

  “default-display”          GdkDisplay *

The default display for GDK.

Flags: Read / Write

Signal Details

The “display-opened” signal

void
user_function (GdkDisplayManager *display_manager,
               GdkDisplay        *display,
               gpointer           user_data)

The ::display_opened signal is emitted when a display is opened.

Parameters

display_manager

the object on which the signal is emitted

 

display

the opened display

 

user_data

user data set when the signal handler was connected.

 

Flags: Run Last

Since: 2.2

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