Inkscape::Preferences::PreferencesObserver Class Reference

Callback-based preferences observer. More...

#include <preferences.h>

Inheritance diagram for Inkscape::Preferences::PreferencesObserver:

Public Member Functions
	~PreferencesObserver () override=default
void	call ()
	Manually call the observer with the original, unchanged value.

Static Public Member Functions
static std::unique_ptr< PreferencesObserver >	create (Glib::ustring path, std::function< void(const Preferences::Entry &new_value)> callback)

Private Member Functions
	PreferencesObserver (Glib::ustring path, std::function< void(const Preferences::Entry &new_value)> callback)
void	notify (Preferences::Entry const &new_val) override
	Notification about a preference change.
Private Member Functions inherited from Inkscape::Preferences::Observer
	Observer (Glib::ustring path)
	Constructor.
virtual	~Observer ()

Private Attributes
std::function< void(const Preferences::Entry &)>	_callback
Private Attributes inherited from Inkscape::Preferences::Observer
Glib::ustring const	observed_path
	Path which the observer watches.

Detailed Description

Callback-based preferences observer.

Definition at line 124 of file preferences.h.

Constructor & Destructor Documentation

~PreferencesObserver()

Inkscape::Preferences::PreferencesObserver::~PreferencesObserver ( )

overridedefault

PreferencesObserver()

Inkscape::Preferences::PreferencesObserver::PreferencesObserver ( Glib::ustring  path, std::function< void(const Preferences::Entry &new_value)>  callback  )

private

Definition at line 1181 of file preferences.cpp.

References Inkscape::Preferences::get().

Member Function Documentation

call()

void Inkscape::Preferences::PreferencesObserver::call

(

)

Manually call the observer with the original, unchanged value.

This is useful for initialisation functions.

Definition at line 1192 of file preferences.cpp.

References Inkscape::Preferences::get().

create()

PrefObserver Inkscape::Preferences::PreferencesObserver::create ( Glib::ustring  path, std::function< void(const Preferences::Entry &new_value)>  callback  )

static

Definition at line 1174 of file preferences.cpp.

Referenced by Inkscape::Drawing::_loadPrefs(), Inkscape::CanvasItemGrid::CanvasItemGrid(), Inkscape::UI::Dialog::InkscapePreferences::initPageUI(), Inkscape::UI::Widget::StyleSwatch::setWatchedTool(), and Inkscape::UI::Tools::ToolBase::ToolBase().

notify()

void Inkscape::Preferences::PreferencesObserver::notify ( Preferences::Entry const &  new_val )

overrideprivatevirtual

Notification about a preference change.

Parameters

new_val

Entry object containing information about the modified preference.

Implements Inkscape::Preferences::Observer.

Definition at line 1188 of file preferences.cpp.

Member Data Documentation

_callback

std::function<void (const Preferences::Entry&)> Inkscape::Preferences::PreferencesObserver::_callback

private

Definition at line 137 of file preferences.h.

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The documentation for this class was generated from the following files:

• /builds/inkscape/inkscape/src/preferences.h
• /builds/inkscape/inkscape/src/preferences.cpp