gtkmm: Gdk::DisplayManager Class Reference
The purpose of the GdkDisplayManager singleton object is to offer notification when displays appear or disappear or the default display changes. More...
#include <gdkmm/displaymanager.h>
Public Member Functions | |
DisplayManager (DisplayManager&& src) noexcept | |
DisplayManager& | operator= (DisplayManager&& src) noexcept |
~DisplayManager () noexcept override | |
GdkDisplayManager* | gobj () |
Provides access to the underlying C GObject. More... | |
const GdkDisplayManager* | gobj () const |
Provides access to the underlying C GObject. More... | |
GdkDisplayManager* | gobj_copy () |
Provides access to the underlying C instance. The caller is responsible for unrefing it. Use when directly setting fields in structs. More... | |
Glib::RefPtr< Display > | get_default_display () |
Gets the default Gdk::Display. More... | |
Glib::RefPtr< const Display > | get_default_display () const |
Gets the default Gdk::Display. More... | |
void | set_default_display (const Glib::RefPtr< Display >& display) |
Sets display as the default display. More... | |
std::vector< Glib::RefPtr< Display > > | list_displays () |
List all currently open displays. More... | |
Glib::RefPtr< Display > | open_display (const Glib::ustring& name) |
Opens a display. More... | |
Glib::PropertyProxy< Glib::RefPtr< Display > > | property_default_display () |
The default display for GDK. More... | |
Glib::PropertyProxy_ReadOnly< Glib::RefPtr< Display > > | property_default_display () const |
The default display for GDK. More... | |
Glib::SignalProxy< void(const Glib::RefPtr< Display >&)> | signal_display_opened () |
Public Member Functions inherited from Glib::Object | |
Object (const Object &)=delete | |
Object & | operator= (const Object &)=delete |
Object (Object &&src) noexcept | |
Object & | operator= (Object &&src) noexcept |
void * | get_data (const QueryQuark &key) |
void | set_data (const Quark &key, void *data) |
void | set_data (const Quark &key, void *data, DestroyNotify notify) |
void | remove_data (const QueryQuark &quark) |
void * | steal_data (const QueryQuark &quark) |
Glib::RefPtr< Glib::Object > | wrap (GObject *object, bool take_copy=false) |
Public Member Functions inherited from Glib::ObjectBase | |
ObjectBase (const ObjectBase &)=delete | |
ObjectBase & | operator= (const ObjectBase &)=delete |
void | set_property_value (const Glib::ustring &property_name, const Glib::ValueBase &value) |
void | get_property_value (const Glib::ustring &property_name, Glib::ValueBase &value) const |
void | set_property (const Glib::ustring &property_name, const PropertyType &value) |
void | get_property (const Glib::ustring &property_name, PropertyType &value) const |
PropertyType | get_property (const Glib::ustring &property_name) const |
sigc::connection | connect_property_changed (const Glib::ustring &property_name, const sigc::slot< void()> &slot) |
sigc::connection | connect_property_changed (const Glib::ustring &property_name, sigc::slot< void()> &&slot) |
void | freeze_notify () |
void | thaw_notify () |
virtual void | reference () const |
virtual void | unreference () const |
GObject * | gobj () |
const GObject * | gobj () const |
GObject * | gobj_copy () const |
Public Member Functions inherited from sigc::trackable | |
trackable () noexcept | |
trackable (const trackable &src) noexcept | |
trackable (trackable &&src) noexcept | |
~trackable () | |
void | add_destroy_notify_callback (notifiable *data, func_destroy_notify func) const |
void | notify_callbacks () |
trackable & | operator= (const trackable &src) |
trackable & | operator= (trackable &&src) noexcept |
void | remove_destroy_notify_callback (notifiable *data) const |
Static Public Member Functions | |
static GType | get_type () |
Get the GType for this class, for use with the underlying GObject type system. More... | |
static Glib::RefPtr< DisplayManager > | get () |
Gets the singleton Gdk::DisplayManager object. More... | |
Related Functions | |
(Note that these are not member functions.) | |
Glib::RefPtr< Gdk::DisplayManager > | wrap (GdkDisplayManager* object, bool take_copy=false) |
A Glib::wrap() method for this object. More... | |
Additional Inherited Members | |
Public Types inherited from Glib::Object | |
typedef void(*)(gpointer data | DestroyNotify) |
Public Types inherited from sigc::trackable | |
typedef internal::func_destroy_notify | func_destroy_notify |
Public Types inherited from sigc::notifiable | |
typedef internal::func_destroy_notify | func_destroy_notify |
Protected Member Functions inherited from Glib::Object | |
Object () | |
Object (const Glib::ConstructParams &construct_params) | |
Object (GObject *castitem) | |
~Object () noexcept override | |
Protected Member Functions inherited from Glib::ObjectBase | |
ObjectBase () | |
ObjectBase (const char *custom_type_name) | |
ObjectBase (const std::type_info &custom_type_info) | |
ObjectBase (ObjectBase &&src) noexcept | |
ObjectBase & | operator= (ObjectBase &&src) noexcept |
virtual | ~ObjectBase () noexcept=0 |
void | initialize (GObject *castitem) |
void | initialize_move (GObject *castitem, Glib::ObjectBase *previous_wrapper) |
Detailed Description
The purpose of the GdkDisplayManager singleton object is to offer notification when displays appear or disappear or the default display changes.
Constructor & Destructor Documentation
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noexcept |
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overridenoexcept |
Member Function Documentation
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static |
Gets the singleton Gdk::DisplayManager object.
When called for the first time, this function consults the GDK_BACKEND
environment variable to find out which of the supported GDK backends to use (in case GDK has been compiled with multiple backends). Applications can use gdk_set_allowed_backends() to limit what backends can be used.
- Returns
- The global Gdk::DisplayManager singleton.
Glib::RefPtr<Display> Gdk::DisplayManager::get_default_display | ( | ) |
Gets the default Gdk::Display.
- Returns
- A Gdk::Display, or
nullptr
if there is no default display.
Glib::RefPtr<const Display> Gdk::DisplayManager::get_default_display | ( | ) | const |
Gets the default Gdk::Display.
- Returns
- A Gdk::Display, or
nullptr
if there is no default display.
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static |
Get the GType for this class, for use with the underlying GObject type system.
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inline |
Provides access to the underlying C GObject.
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inline |
Provides access to the underlying C GObject.
GdkDisplayManager* Gdk::DisplayManager::gobj_copy | ( | ) |
Provides access to the underlying C instance. The caller is responsible for unrefing it. Use when directly setting fields in structs.
std::vector< Glib::RefPtr<Display> > Gdk::DisplayManager::list_displays | ( | ) |
List all currently open displays.
- Returns
- A vector of Gdk::Display objects.
Glib::RefPtr<Display> Gdk::DisplayManager::open_display | ( | const Glib::ustring & | name | ) |
Opens a display.
- Parameters
-
name The name of the display to open.
- Returns
- A Gdk::Display, or
nullptr
if the display could not be opened.
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noexcept |
Glib::PropertyProxy< Glib::RefPtr<Display> > Gdk::DisplayManager::property_default_display | ( | ) |
The default display for GDK.
- Returns
- A PropertyProxy that allows you to get or set the value of the property, or receive notification when the value of the property changes.
Glib::PropertyProxy_ReadOnly< Glib::RefPtr<Display> > Gdk::DisplayManager::property_default_display | ( | ) | const |
The default display for GDK.
- Returns
- A PropertyProxy_ReadOnly that allows you to get the value of the property, or receive notification when the value of the property changes.
void Gdk::DisplayManager::set_default_display | ( | const Glib::RefPtr< Display >& | display | ) |
Sets display as the default display.
- Parameters
-
display A Gdk::Display.
Glib::SignalProxy<void(const Glib::RefPtr<Display>&)> Gdk::DisplayManager::signal_display_opened | ( | ) |
- Slot Prototype:
void on_my_display_opened(const Glib::RefPtr<Display>& display)
Flags: Run Last
The signal_display_opened() signal is emitted when a display is opened.
- Parameters
-
display The opened display.
Friends And Related Function Documentation
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related |
A Glib::wrap() method for this object.
- Parameters
-
object The C instance. take_copy False if the result should take ownership of the C instance. True if it should take a new copy or ref.
- Returns
- A C++ instance that wraps this C instance.