Base integer type, including boolean, settings. More...

#include <settings_internal.h>

Inheritance diagram for IntSettingDesc:

Public Types
typedef StringID	GetTitleCallback(const IntSettingDesc &sd)

typedef StringID	GetHelpCallback(const IntSettingDesc &sd)

typedef void	SetValueDParamsCallback(const IntSettingDesc &sd, uint first_param, int32_t value)

typedef bool	PreChangeCheck(int32_t &value)
	A check to be performed before the setting gets changed. More...

typedef void	PostChangeCallback(int32_t value)
	A callback to denote that a setting has been changed. More...

typedef int32_t	GetDefaultValueCallback()
	A callback to get the correct default value. More...

Public Member Functions
template<typename Tdef , typename Tmin , typename Tmax , typename Tinterval , std::enable_if_t< std::disjunction_v< std::is_convertible< Tdef, int32_t >, std::is_base_of< StrongTypedefBase, Tdef >>, int > = 0, std::enable_if_t< std::disjunction_v< std::is_convertible< Tmin, int32_t >, std::is_base_of< StrongTypedefBase, Tmin >>, int > = 0, std::enable_if_t< std::disjunction_v< std::is_convertible< Tmax, uint32_t >, std::is_base_of< StrongTypedefBase, Tmax >>, int > = 0, std::enable_if_t< std::disjunction_v< std::is_convertible< Tinterval, int32_t >, std::is_base_of< StrongTypedefBase, Tinterval >>, int > = 0>
	IntSettingDesc (const SaveLoad &save, SettingFlag flags, bool startup, Tdef def, Tmin min, Tmax max, Tinterval interval, StringID str, StringID str_help, StringID str_val, SettingCategory cat, PreChangeCheck pre_check, PostChangeCallback post_callback, GetTitleCallback get_title_cb, GetHelpCallback get_help_cb, SetValueDParamsCallback set_value_dparams_cb, GetDefaultValueCallback get_def_cb)

StringID	GetTitle () const
	Get the title of the setting. More...

StringID	GetHelp () const
	Get the help text of the setting. More...

void	SetValueDParams (uint first_param, int32_t value) const
	Set the DParams for drawing the value of the setting. More...

virtual bool	IsBoolSetting () const
	Check whether this setting is a boolean type setting. More...

bool	IsIntSetting () const override
	Check whether this setting is an integer type setting. More...

void	ChangeValue (const void *object, int32_t newvalue) const
	Handle changing a value. More...

void	MakeValueValidAndWrite (const void *object, int32_t value) const
	Make the value valid and then write it to the setting. More...

virtual size_t	ParseValue (const char *str) const
	Convert a string representation (external) of an integer-like setting to an integer. More...

std::string	FormatValue (const void *object) const override
	Format the value of the setting associated with this object. More...

void	ParseValue (const IniItem item, void object) const override
	Parse/read the value from the Ini item into the setting associated with this object. More...

bool	IsSameValue (const IniItem item, void object) const override
	Check whether the value in the Ini item is the same as is saved in this setting in the object. More...

bool	IsDefaultValue (void *object) const override
	Check whether the value is the same as the default value. More...

void	ResetToDefault (void *object) const override
	Reset the setting to its default value.

int32_t	Read (const void *object) const
	Read the integer from the the actual setting. More...

Public Member Functions inherited from SettingDesc
	SettingDesc (const SaveLoad &save, SettingFlag flags, bool startup)

bool	IsEditable (bool do_command=false) const
	Check whether the setting is editable in the current gamemode. More...

SettingType	GetType () const
	Return the type of the setting. More...

constexpr const std::string &	GetName () const
	Get the name of this setting. More...

virtual bool	IsStringSetting () const
	Check whether this setting is an string type setting. More...

const struct IntSettingDesc *	AsIntSetting () const
	Get the setting description of this setting as an integer setting. More...

const struct StringSettingDesc *	AsStringSetting () const
	Get the setting description of this setting as a string setting. More...

Data Fields
int32_t	def
	default value given when none is present

int32_t	min
	minimum values

uint32_t	max
	maximum values

int32_t	interval
	the interval to use between settings in the 'settings' window. If interval is '0' the interval is dynamically determined

StringID	str
	(translated) string with descriptive text; gui and console

StringID	str_help
	(Translated) string with help text; gui only.

StringID	str_val
	(Translated) first string describing the value.

SettingCategory	cat
	assigned categories of the setting

PreChangeCheck *	pre_check
	Callback to check for the validity of the setting.

PostChangeCallback *	post_callback
	Callback when the setting has been changed.

GetTitleCallback *	get_title_cb

GetHelpCallback *	get_help_cb

SetValueDParamsCallback *	set_value_dparams_cb

GetDefaultValueCallback *	get_def_cb
	Callback to set the correct default value.

Data Fields inherited from SettingDesc
SettingFlag	flags
	Handles how a setting would show up in the GUI (text/currency, etc.).

bool	startup
	Setting has to be loaded directly at startup?.

SaveLoad	save
	Internal structure (going to savegame, parts to config).

Private Member Functions
void	MakeValueValid (int32_t &value) const
	Make the value valid given the limitations of this setting. More...

void	Write (const void *object, int32_t value) const
	Set the value of a setting. More...

Detailed Description

Base integer type, including boolean, settings.

Only these are shown in the settings UI.

Definition at line 148 of file settings_internal.h.

Member Typedef Documentation

◆ GetDefaultValueCallback

typedef int32_t IntSettingDesc::GetDefaultValueCallback()

A callback to get the correct default value.

For example a default that can be measured in time units or expressed as a percentage.

Returns: The correct default value for the setting.

Definition at line 172 of file settings_internal.h.

◆ PostChangeCallback

typedef void IntSettingDesc::PostChangeCallback(int32_t value)

A callback to denote that a setting has been changed.

Parameters

The	new value for the setting.

Definition at line 166 of file settings_internal.h.

◆ PreChangeCheck

typedef bool IntSettingDesc::PreChangeCheck(int32_t &value)

A check to be performed before the setting gets changed.

The passed integer may be changed by the check if that is important, for example to remove some unwanted bit. The return value denotes whether the value, potentially after the changes, is allowed to be used/set in the configuration.

Parameters

value The prospective new value for the setting.

Returns: True when the setting is accepted.

Definition at line 161 of file settings_internal.h.

Member Function Documentation

◆ ChangeValue()

void IntSettingDesc::ChangeValue	(	const void *	object,
		int32_t	newval
	)		const

Handle changing a value.

This performs validation of the input value and calls the appropriate callbacks, and saves it when the value is changed.

Parameters

object	The object the setting is in.
newval	The new value for the setting.

Definition at line 1588 of file settings.cpp.

References _gamelog, SettingDesc::flags, SettingDesc::GetName(), GLAT_SETTING, MakeValueValid(), post_callback, pre_check, Read(), Gamelog::Setting(), SetWindowClassesDirty(), SF_NO_NETWORK, Gamelog::StartAction(), Gamelog::StopAction(), WC_GAME_OPTIONS, and Write().

Referenced by CmdChangeCompanySetting(), and CmdChangeSetting().

◆ FormatValue()

std::string IntSettingDesc::FormatValue ( const void * object ) const

overridevirtual

Format the value of the setting associated with this object.

Parameters

buf	The before of the buffer to format into.
last	The end of the buffer to format into.
object	The object the setting is in.

Implements SettingDesc.

Reimplemented in ManyOfManySettingDesc, OneOfManySettingDesc, and BoolSettingDesc.

Definition at line 725 of file settings.cpp.

◆ GetHelp()

StringID IntSettingDesc::GetHelp ( ) const

Get the help text of the setting.

Returns: The requested help text.

Definition at line 450 of file settings.cpp.

References str_help.

Referenced by SettingEntry::GetMaxHelpHeight(), and SettingEntry::UpdateFilterState().

◆ GetTitle()

StringID IntSettingDesc::GetTitle ( ) const

Get the title of the setting.

The string should include a {STRING2} to show the current value.

Returns: The title string.

Definition at line 441 of file settings.cpp.

References str.

Referenced by SettingEntry::UpdateFilterState().

◆ IsBoolSetting()

virtual bool IntSettingDesc::IsBoolSetting ( ) const

inlinevirtual

Check whether this setting is a boolean type setting.

Returns: True when the underlying type is an integer.

Reimplemented in BoolSettingDesc.

Definition at line 242 of file settings_internal.h.

Referenced by SetValueDParams().

◆ IsDefaultValue()

bool IntSettingDesc::IsDefaultValue ( void * object ) const

overridevirtual

Check whether the value is the same as the default value.

Parameters

object The object the setting is in.

Returns: true iff the value is the default value.

Implements SettingDesc.

Definition at line 749 of file settings.cpp.

References def, and Read().

◆ IsIntSetting()

bool IntSettingDesc::IsIntSetting ( ) const

inlineoverridevirtual

Check whether this setting is an integer type setting.

Returns: True when the underlying type is an integer.

Reimplemented from SettingDesc.

Definition at line 243 of file settings_internal.h.

◆ IsSameValue()

bool IntSettingDesc::IsSameValue	(	const IniItem *	item,
		void *	object
	)		const

overridevirtual

Check whether the value in the Ini item is the same as is saved in this setting in the object.

It might be that determining whether the value is the same is way more expensive than just writing the value. In those cases this function may unconditionally return false even though the value might be the same as in the Ini item.

Parameters

item	The Ini item with the content of this setting.
object	The object the setting is in.

Returns: True if the value is definitely the same (might be false when the same).

Implements SettingDesc.

Definition at line 742 of file settings.cpp.

References ParseValue(), Read(), and IniItem::value.

◆ MakeValueValid()

void IntSettingDesc::MakeValueValid ( int32_t & val ) const

private

Make the value valid given the limitations of this setting.

In the case of int settings this is ensuring the value is between the minimum and maximum value, with a special case for 0 if SF_GUI_0_IS_SPECIAL is set. This is generally done by clamping the value so it is within the allowed value range. However, for SF_GUI_DROPDOWN the default is used when the value is not valid.

Parameters

val	The value to make valid.

Definition at line 497 of file settings.cpp.

References SaveLoad::conv, GetVarMemType(), SettingDesc::save, and SLE_VAR_NULL.

Referenced by ChangeValue(), and MakeValueValidAndWrite().

◆ MakeValueValidAndWrite()

void IntSettingDesc::MakeValueValidAndWrite	(	const void *	object,
		int32_t	val
	)		const

Make the value valid and then write it to the setting.

See #MakeValidValid and Write for more details.

Parameters

object	The object the setting is to be saved in.
val	Signed version of the new value.

Definition at line 482 of file settings.cpp.

References MakeValueValid(), and Write().

Referenced by LoadSettings(), and ParseValue().

◆ ParseValue() [1/2]

size_t IntSettingDesc::ParseValue ( const char * str ) const

virtual

Convert a string representation (external) of an integer-like setting to an integer.

Parameters

str	Input string that will be parsed based on the type of desc.

Returns: The value from the parse string, or the default value of the setting.

Reimplemented in ManyOfManySettingDesc, OneOfManySettingDesc, and BoolSettingDesc.

Definition at line 379 of file settings.cpp.

References _settings_error_list, def, SettingDesc::GetName(), ErrorMessageData::SetDParamStr(), and str.

Referenced by IsSameValue(), and ParseValue().

◆ ParseValue() [2/2]

void IntSettingDesc::ParseValue	(	const IniItem *	item,
		void *	object
	)		const

overridevirtual

Parse/read the value from the Ini item into the setting associated with this object.

Parameters

item	The Ini item with the content of this setting.
object	The object the setting is in.

Implements SettingDesc.

Definition at line 655 of file settings.cpp.

References def, MakeValueValidAndWrite(), ParseValue(), and IniItem::value.

◆ Read()

int32_t IntSettingDesc::Read ( const void * object ) const

Read the integer from the the actual setting.

Parameters

object The object the setting is to be saved in.

Returns: The value of the saved integer.

Definition at line 561 of file settings.cpp.

References SaveLoad::conv, GetVariableAddress(), ReadValue(), and SettingDesc::save.

Referenced by ChangeValue(), BoolSettingDesc::FormatValue(), NewsTypeData::GetDisplay(), IsDefaultValue(), IsSameValue(), and LoadSettings().

◆ SetValueDParams()

void IntSettingDesc::SetValueDParams	(	uint	first_param,
		int32_t	value
	)		const

Set the DParams for drawing the value of the setting.

Parameters

first_param	First DParam to use
value	Setting value to set params for.

Definition at line 460 of file settings.cpp.

References SettingDesc::flags, IsBoolSetting(), min, SetDParam(), SF_GUI_0_IS_SPECIAL, SF_GUI_DROPDOWN, and str_val.

◆ Write()

void IntSettingDesc::Write	(	const void *	object,
		int32_t	val
	)		const

private

Set the value of a setting.

Parameters

object	The object the setting is to be saved in.
val	Signed version of the new value.

Definition at line 550 of file settings.cpp.

References SaveLoad::conv, GetVariableAddress(), SettingDesc::save, and WriteValue().

Referenced by ChangeValue(), MakeValueValidAndWrite(), and ResetToDefault().

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

src/settings_internal.h
src/settings.cpp

Public Types

Public Member Functions

Data Fields

Private Member Functions

Detailed Description

Member Typedef Documentation

◆ GetDefaultValueCallback

◆ PostChangeCallback

◆ PreChangeCheck

Member Function Documentation

◆ ChangeValue()

◆ FormatValue()

◆ GetHelp()

◆ GetTitle()

◆ IsBoolSetting()

◆ IsDefaultValue()

◆ IsIntSetting()

◆ IsSameValue()

◆ MakeValueValid()

◆ MakeValueValidAndWrite()

◆ ParseValue() [1/2]

◆ ParseValue() [2/2]

◆ Read()

◆ SetValueDParams()

◆ Write()