OpenTTD Source  20241124-master-g9399a92a4f
BoolSettingDesc Struct Reference

Boolean setting. More...

#include <settings_internal.h>

Inheritance diagram for BoolSettingDesc:
IntSettingDesc SettingDesc

Public Member Functions

 BoolSettingDesc (const SaveLoad &save, SettingFlag flags, bool startup, bool def, 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)
 
bool IsBoolSetting () const override
 Check whether this setting is a boolean type setting. More...
 
size_t ParseValue (const char *str) const override
 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...
 
- Public Member Functions inherited from IntSettingDesc
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...
 
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...
 
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 IntSettingDescAsIntSetting () const
 Get the setting description of this setting as an integer setting. More...
 
const struct StringSettingDescAsStringSetting () const
 Get the setting description of this setting as a string setting. More...
 

Static Public Member Functions

static std::optional< bool > ParseSingleValue (const char *str)
 Find whether a string was a boolean true or a boolean false. More...
 

Additional Inherited Members

- Public Types inherited from IntSettingDesc
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...
 
- Data Fields inherited from IntSettingDesc
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
 
PreChangeCheckpre_check
 Callback to check for the validity of the setting.
 
PostChangeCallbackpost_callback
 Callback when the setting has been changed.
 
GetTitleCallback * get_title_cb
 
GetHelpCallback * get_help_cb
 
SetValueDParamsCallback * set_value_dparams_cb
 
GetDefaultValueCallbackget_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).
 

Detailed Description

Boolean setting.

Definition at line 262 of file settings_internal.h.

Member Function Documentation

◆ FormatValue()

std::string BoolSettingDesc::FormatValue ( const void *  object) const
overridevirtual

Format the value of the setting associated with this object.

Parameters
bufThe before of the buffer to format into.
lastThe end of the buffer to format into.
objectThe object the setting is in.

Reimplemented from IntSettingDesc.

Definition at line 736 of file settings.cpp.

References IntSettingDesc::Read().

◆ IsBoolSetting()

bool BoolSettingDesc::IsBoolSetting ( ) const
inlineoverridevirtual

Check whether this setting is a boolean type setting.

Returns
True when the underlying type is an integer.

Reimplemented from IntSettingDesc.

Definition at line 273 of file settings_internal.h.

◆ ParseSingleValue()

std::optional< bool > BoolSettingDesc::ParseSingleValue ( const char *  str)
static

Find whether a string was a boolean true or a boolean false.

Parameters
strthe current value of the setting for which a value needs found.
Returns
Either true/false, or nullopt if no boolean value found.

Definition at line 205 of file settings.cpp.

References IntSettingDesc::str.

Referenced by ParseValue().

◆ ParseValue()

size_t BoolSettingDesc::ParseValue ( const char *  str) const
overridevirtual

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

Parameters
strInput 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 from IntSettingDesc.

Definition at line 424 of file settings.cpp.

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


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