gtkmm 4.11.3
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Interface for drag surface surfaces. More...
#include <gdkmm/dragsurface.h>
Public Member Functions | |
DragSurface (DragSurface && src) noexcept | |
DragSurface & | operator= (DragSurface && src) noexcept |
~DragSurface () noexcept override | |
GdkDragSurface * | gobj () |
Provides access to the underlying C GObject. More... | |
const GdkDragSurface * | gobj () const |
Provides access to the underlying C GObject. More... | |
bool | present (int width, int height) |
Present drag_surface. More... | |
Glib::SignalProxy< void(DragSurfaceSize &)> | signal_compute_size () |
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Interface () | |
Interface (Interface &&src) noexcept | |
Interface & | operator= (Interface &&src) noexcept |
Interface (const Glib::Interface_Class &interface_class) | |
Interface (GObject *castitem) | |
~Interface () noexcept override | |
Interface (const Interface &)=delete | |
Interface & | operator= (const Interface &)=delete |
GObject * | gobj () |
const GObject * | gobj () const |
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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 |
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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 void | add_interface (GType gtype_implementer) |
static GType | get_type () |
Get the GType for this class, for use with the underlying GObject type system. More... | |
Protected Member Functions | |
DragSurface () | |
You should derive from this class to use it. More... | |
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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) |
Related Functions | |
(Note that these are not member functions.) | |
Glib::RefPtr< Gdk::DragSurface > | wrap (GdkDragSurface * object, bool take_copy=false) |
A Glib::wrap() method for this object. More... | |
Additional Inherited Members | |
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typedef internal::func_destroy_notify | func_destroy_notify |
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typedef internal::func_destroy_notify | func_destroy_notify |
Interface for drag surface surfaces.
A Gdk::DragSurface is a surface that is used during a DnD operation.
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protected |
You should derive from this class to use it.
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noexcept |
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overridenoexcept |
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static |
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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.
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noexcept |
bool Gdk::DragSurface::present | ( | int | width, |
int | height | ||
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Present drag_surface.
width | The unconstrained drag_surface width to layout. |
height | The unconstrained drag_surface height to layout. |
false
if it failed to be presented, otherwise true
. Glib::SignalProxy< void(DragSurfaceSize &)> Gdk::DragSurface::signal_compute_size | ( | ) |
void on_my_compute_size(DragSurfaceSize& size)
Flags: Run Last
Emitted when the size for the surface needs to be computed, when it is present.
This signal will normally be emitted during the native surface layout cycle when the surface size needs to be recomputed.
It is the responsibility of the drag surface user to handle this signal and compute the desired size of the surface, storing the computed size in the Gdk::DragSurfaceSize object that is passed to the signal handler, using Gdk::DragSurfaceSize::set_size().
Failing to set a size so will result in an arbitrary size being used as a result.
size | The size of the drag surface. |
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related |
A Glib::wrap() method for this object.
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. |