Class for PickerClassWindow to collect information and retain state. More...

#include <picker_gui.h>

Inheritance diagram for PickerCallbacks:

Public Member Functions
	PickerCallbacks (const std::string &ini_group)

virtual void	Close (int)

virtual bool	IsActive () const =0
	Should picker class/type selection be enabled?

virtual bool	HasClassChoice () const =0
	Are there multiple classes to chose from?

virtual StringID	GetClassTooltip () const =0
	Get the tooltip string for the class list.

virtual int	GetClassCount () const =0
	Get the number of classes. More...

virtual int	GetSelectedClass () const =0
	Get the index of the selected class.

virtual void	SetSelectedClass (int id) const =0
	Set the selected class.

virtual StringID	GetClassName (int id) const =0
	Get the name of a class.

virtual StringID	GetTypeTooltip () const =0
	Get the tooltip string for the type grid.

virtual int	GetTypeCount (int cls_id) const =0
	Get the number of types in a class. More...

virtual int	GetSelectedType () const =0
	Get the selected type.

virtual void	SetSelectedType (int id) const =0
	Set the selected type.

virtual PickerItem	GetPickerItem (int cls_id, int id) const =0
	Get data about an item.

virtual StringID	GetTypeName (int cls_id, int id) const =0
	Get the item of a type.

virtual bool	IsTypeAvailable (int cls_id, int id) const =0
	Test if an item is currently buildable.

virtual void	DrawType (int x, int y, int cls_id, int id) const =0
	Draw preview image of an item.

virtual void	FillUsedItems (std::set< PickerItem > &items)=0
	Fill a set with all items that are used by the current player.

virtual std::set< PickerItem >	UpdateSavedItems (const std::set< PickerItem > &src)=0
	Update link between grfid/localidx and class_index/index in saved items.

Data Fields
Listing	class_last_sorting = { false, 0 }
	Default sorting of PickerClassList.

Filtering	class_last_filtering = { false, 0 }
	Default filtering of PickerClassList.

Listing	type_last_sorting = { false, 0 }
	Default sorting of PickerTypeList.

Filtering	type_last_filtering = { false, 0 }
	Default filtering of PickerTypeList.

const std::string	ini_group
	Ini Group for saving favourites.

uint8_t	mode = 0
	Bitmask of `PickerFilterModes`.

std::set< PickerItem >	used
	Set of items used in the current game by the current company.

std::set< PickerItem >	saved
	Set of saved favourite items.