GDK Reference Manual | ||||
---|---|---|---|---|
#include <gdk/gdk.h> GdkDisplayManager; GdkDisplayManager* gdk_display_manager_get (void); GdkDisplay* gdk_display_manager_get_default_display (GdkDisplayManager *display_manager); void gdk_display_manager_set_default_display (GdkDisplayManager *display_manager, GdkDisplay *display); GSList* gdk_display_manager_list_displays (GdkDisplayManager *display_manager); GdkDevice* gdk_display_get_core_pointer (GdkDisplay *display);
The purpose of the GdkDisplayManager singleton object is to offer notification when displays appear or disappear or the default display changes.
typedef struct _GdkDisplayManager GdkDisplayManager;
The GdkDisplayManager struct has no interesting fields.
Since 2.2
GdkDisplayManager* gdk_display_manager_get (void);
Returns the global GdkDisplayManager singleton; gdk_parse_pargs()
,
gdk_init()
, or gdk_init_check()
must have been called first.
Returns : | the singleton GdkDisplayManager object. |
Since 2.2
GdkDisplay* gdk_display_manager_get_default_display (GdkDisplayManager *display_manager);
Gets the default GdkDisplay.
display_manager : |
a GdkDisplayManager |
Returns : | a GdkDisplay, or NULL if there is no default
display.
|
Since 2.2
void gdk_display_manager_set_default_display (GdkDisplayManager *display_manager, GdkDisplay *display);
Sets display
as the default display.
display_manager : |
a GdkDisplayManager |
display : |
a GdkDisplay |
Since 2.2
GSList* gdk_display_manager_list_displays (GdkDisplayManager *display_manager);
List all currently open displays.
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.
|
Since 2.2
GdkDevice* gdk_display_get_core_pointer (GdkDisplay *display);
Returns the core pointer device for the given display
display : |
a GdkDisplay |
Returns : | the core pointer device; this is owned by the display and should not be freed. |
Since 2.2
"default-display"
property"default-display" GdkDisplay* : Read / Write
The default display for GDK.
"display-opened"
signalvoid user_function (GdkDisplayManager *display_manager, GdkDisplay *display, gpointer user_data) : Run Last
The ::display_opened signal is emitted when a display is opened.
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. |
Since 2.2