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Unigine::UserInterface Class

Header: #include <UnigineUserInterface.h>

The class is used to work with widgets that are created by loading a UI file.

UserInterface Class

Members


static UserInterfacePtr create ( const Ptr<Gui> & gui, const char * name, const char * prefix = 0 )

UserInterface constructor.

Arguments

  • const Ptr<Gui> & gui - GUI smart pointer.
  • const char * name - User interface name.
  • const char * prefix - Names prefix.

int getCallback( int num, int callback )

Returns the number of a given callback function.

Arguments

  • int num - Widget number.
  • int callback - Callback type number. One of the callbacks defined in the Gui class (for example, CLICK, SHOW, HIDE, etc).

Return value

Callback number.

void * addCallback( const char * name, int callback, Unigine::CallbackBase * func )

Adds a callback function of the specified type for the widget with the specified name.The signature of the callback function must be as follows:
Source code (C++)
void callback_function_name();

Arguments

  • const char * name - Widget name.
  • int callback - Callback type number. One of the callbacks defined in the Gui class (for example, CLICK, SHOW, HIDE, etc).
  • Unigine::CallbackBase * func - Callback pointer.

Return value

ID of the last added callback, if the callback was added successfully; otherwise, nullptr. This ID can be used to remove this callback when necessary.

void * addCallback( const char * name, int callback, Unigine::CallbackBase1< Ptr<Widget> > * func )

Adds a callback function of the specified type for the widget with the specified name.The signature of the callback function must be as follows:
Source code (C++)
void callback_function_name(WidgetPtr widget);

Arguments

  • const char * name - Widget name.
  • int callback - Callback type number. One of the callbacks defined in the Gui class (for example, CLICK, SHOW, HIDE, etc).
  • Unigine::CallbackBase1< Ptr<Widget> > * func - Callback pointer.

Return value

ID of the last added callback, if the callback was added successfully; otherwise, nullptr. This ID can be used to remove this callback when necessary.

void * addCallback( const char * name, int callback, Unigine::CallbackBase2< Ptr<Widget>, Ptr<Widget> > * func )

Adds a callback function of the specified type for the widget with the specified name.The signature of the callback function must be as follows:
Source code (C++)
void callback_function_name(WidgetPtr widget1, WidgetPtr widget2);

Arguments

  • const char * name - Widget name.
  • int callback - Callback type number. One of the callbacks defined in the Gui class (for example, CLICK, SHOW, HIDE, etc).
  • Unigine::CallbackBase2< Ptr<Widget>, Ptr<Widget> > * func - Callback pointer.

Return value

ID of the last added callback, if the callback was added successfully; otherwise, nullptr. This ID can be used to remove this callback when necessary.

void * addCallback( const char * name, int callback, Unigine::CallbackBase3< Ptr<Widget>, Ptr<Widget>, int > * func )

Adds a callback function of the specified type for the widget with the specified name.The signature of the callback function must be as follows:
Source code (C++)
void callback_function_name(WidgetPtr widget1, WidgetPtr widget2, int arg3);

Arguments

  • const char * name - Widget name.
  • int callback - Callback type number. One of the callbacks defined in the Gui class (for example, CLICK, SHOW, HIDE, etc).
  • Unigine::CallbackBase3< Ptr<Widget>, Ptr<Widget>, int > * func - Callback pointer.

Return value

ID of the last added callback, if the callback was added successfully; otherwise, nullptr. This ID can be used to remove this callback when necessary.

bool removeCallback( const char * name, int callback, void * id )

Removes the specified callback from the list of callbacks of the specified type added for the widget with the given name.

Arguments

  • const char * name - Widget name.
  • int callback - Callback type number. One of the callbacks defined in the Gui class (for example, CLICK, SHOW, HIDE, etc).
  • void * id - Callback ID obtained when adding it.

Return value

True if the callback with the given ID was removed successfully; otherwise false.

void clearCallbacks( const char * name, int callback )

Clears all callbacks of the specified type added for the widget with the given name.

Arguments

  • const char * name - Widget name.
  • int callback - Callback type number. One of the callbacks defined in the Gui class (for example, CLICK, SHOW, HIDE, etc).

const char * getCallbackInstanceData( int num, int callback )

Returns the callback instance data.

Arguments

  • int num - Widget number.
  • int callback - Callback type number. One of the callbacks defined in the Gui class (for example, CLICK, SHOW, HIDE, etc).

Return value

Callback instance data.

const char * getCallbackName( int num, int callback )

Returns the name of a given callback function.

Arguments

  • int num - Widget number.
  • int callback - Callback type number. One of the callbacks defined in the Gui class (for example, CLICK, SHOW, HIDE, etc).

Return value

Callback function name.

const char * getCallbackStringData( int num, int callback )

Returns the callback string data.

Arguments

  • int num - Widget number.
  • int callback - Callback type number. One of the callbacks defined in the Gui class (for example, CLICK, SHOW, HIDE, etc).

Return value

Callback string data.

const char * getCallbackVariableData( int num, int callback )

Returns the callback variable data.

Arguments

  • int num - Widget number.
  • int callback - Callback type number. One of the callbacks defined in the Gui class (for example, CLICK, SHOW, HIDE, etc).

Return value

Callback variable data.

Ptr<Widget> getCallbackWidgetData( int num, int callback )

Returns the callback widget data.

Arguments

  • int num - Widget number.
  • int callback - Callback type number. One of the callbacks defined in the Gui class (for example, CLICK, SHOW, HIDE, etc).

Return value

Widget data.

int getNumCallbacks( int num )

Returns the total number of callbacks for a given widget.

Arguments

  • int num - Widget number.

Return value

Number of callbacks.

int getNumWidgets( )

Returns the number of associated widgets.

Return value

Number of associated widgets.

int isOwner( )

Returns the owner flag. If the pointer is the owner, on its deletion the UserInterface also will be deleted. Use grab() and release() functions to change ownership.

Return value

1 if the pointer is the owner; otherwise, 0.

Ptr<Widget> getWidget( int num )

Returns pointer to the widget with a given number.

Arguments

  • int num - Widget number.

Return value

Pointer to the widget with the given number.

int getWidgetExport( int num )

Returns a value indicating if a given widget is exported into a script.

Arguments

  • int num - Widget number.

Return value

Returns 1 if the widget is exported; otherwise, 0.

const char * getWidgetName( int num )

Returns widget name by its number.

Arguments

  • int num - Widget number.

Return value

Widget name.

const char * getWidgetNext( int num )

Returns the name of the widget, which will be focused next.

Arguments

  • int num - Current widget number.

Return value

Next Widget name.

int findWidget( const char * name )

Searches a widget by its name.

Arguments

  • const char * name - Widget name.

Return value

Returns the number of the widget if exists; otherwise, -1.

void grab( )

Sets the owner flag to 1 for the UserInterface pointer. The UserInterface should not be handled by the class after this function is called

void release( )

Releases the UserInterface (sets the owner flag to 0 for the pointer). The UserInterface should be handled by the class after this function is called

void updateWidgets( )

Updates all widgets belonging to the user interface. This function should be called, for example, after change of the interface language.
Last update: 2018-12-27
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