Class for a combobox. More...

#include <combobox.hpp>

Inheritance diagram for gui2::combobox:

Public Member Functions
	combobox (const implementation::builder_combobox &builder)

void	set_max_input_length (const std::size_t length)

std::size_t	get_max_input_length () const

void	set_hint_text (const std::string &text)

std::string	get_hint_text () const

void	set_hint_image (const std::string &image)

std::string	get_hint_image () const

void	set_hint_data (const std::string &text, const std::string &image)

void	clear ()

int	get_item_count () const

void	set_values (const std::vector<::config > &values, unsigned selected=0)

void	set_selected (unsigned selected, bool fire_event=true)

unsigned	get_selected () const

Public Member Functions inherited from gui2::text_box_base
	text_box_base (const implementation::builder_styled_widget &builder, const std::string &control_type)

	~text_box_base ()

virtual void	set_active (const bool active) override
	See styled_widget::set_active. More...

virtual bool	get_active () const override
	See styled_widget::get_active. More...

virtual unsigned	get_state () const override
	See styled_widget::get_state. More...

void	set_maximum_length (const std::size_t maximum_length)

std::size_t	get_length () const
	Wrapper function, returns length of the text in pango column offsets. More...

std::vector< std::string >	get_lines ()
	Wrapper function, returns a vector with the lines. More...

PangoLayoutLine *	get_line (int index)
	Wrapper function, returns the line corresponding to index. More...

int	get_line_number (const unsigned offset)
	Wrapper function, return the line number given the byte index. More...

point	get_cursor_pos_from_index (const unsigned offset) const
	Wrapper function, return the cursor position given the byte index. More...

unsigned	get_lines_count () const
	Wrapper function, return number of lines. More...

void	set_highlight_area (const unsigned start_offset, const unsigned end_offset, const color_t &color)
	Wrapper function, sets the area between column start and end offset to be highlighted in a specific color. More...

virtual void	set_value (const std::string &text)
	The set_value is virtual for the password_box class. More...

std::string	get_value () const

const std::string &	text () const

std::string	plain_text ()

template<typename Func >
void	on_modified (const Func &f)
	Registers a NOTIFY_MODIFIED handler. More...

void	set_selection (std::size_t start, int length)
	Sets or clears the text selection. More...

void	set_editable (bool editable)
	Set or unset whether text can be edited or not Text can only be copied and scrolled through when editable is false. More...

bool	is_editable () const
	Check whether text can be edited or not. More...

bool	is_composing () const

void	interrupt_composition ()

Public Member Functions inherited from gui2::styled_widget
	styled_widget (const implementation::builder_styled_widget &builder, const std::string &control_type)
	Constructor. More...

virtual void	set_members (const widget_item &data)
	Sets the members of the styled_widget. More...

bool	disable_click_dismiss () const override
	See widget::disable_click_dismiss. More...

virtual iteration::walker_ptr	create_walker () override
	See widget::create_walker. More...

point	get_config_minimum_size () const
	Gets the minimum size as defined in the config. More...

point	get_config_default_size () const
	Gets the default size as defined in the config. More...

point	get_config_maximum_size () const
	Gets the best size as defined in the config. More...

virtual unsigned	get_characters_per_line () const
	Returns the number of characters per line. More...

virtual bool	get_link_aware () const
	Returns whether the label should be link_aware, in in rendering and in searching for links with get_link. More...

virtual color_t	get_link_color () const
	Returns the color string to be used with links. More...

virtual void	layout_initialize (const bool full_initialization) override
	See widget::layout_initialize. More...

virtual void	request_reduce_width (const unsigned maximum_width) override
	See widget::request_reduce_width. More...

virtual void	request_reduce_height (const unsigned maximum_height) override
	See widget::request_reduce_height. More...

virtual widget *	find_at (const point &coordinate, const bool must_be_active) override
	See widget::find_at. More...

virtual const widget *	find_at (const point &coordinate, const bool must_be_active) const override
	See widget::find_at. More...

widget *	find (const std::string_view id, const bool must_be_active) override
	See widget::find. More...

const widget *	find (const std::string_view id, const bool must_be_active) const override
	See widget::find. More...

bool	get_use_tooltip_on_label_overflow () const

void	set_use_tooltip_on_label_overflow (const bool use_tooltip=true)

const t_string &	get_label () const

virtual void	set_label (const t_string &text)

virtual void	set_use_markup (bool use_markup)

bool	get_use_markup () const

const t_string &	tooltip () const

void	set_tooltip (const t_string &tooltip)

const t_string &	help_message () const

void	set_help_message (const t_string &help_message)

std::vector< canvas > &	get_canvases ()

canvas &	get_canvas (const unsigned index)

virtual void	set_text_alignment (const PangoAlignment text_alignment)

PangoAlignment	get_text_alignment () const

void	set_text_ellipse_mode (const PangoEllipsizeMode ellipse_mode)

PangoEllipsizeMode	get_text_ellipse_mode () const
	Get the text's ellipsize mode. More...

void	set_text_maximum_width (int max_width)
	Set how wide the text can become. More...

Public Member Functions inherited from gui2::widget
	widget (const widget &)=delete

widget &	operator= (const widget &)=delete

	widget ()

	widget (const builder_widget &builder)
	Constructor. More...

virtual	~widget () override

void	set_id (const std::string &id)

const std::string &	id () const

window *	get_window ()
	Get the parent window. More...

const window *	get_window () const
	The constant version of get_window. More...

grid *	get_parent_grid ()
	Get the parent grid. More...

const grid *	get_parent_grid () const

void	set_parent (widget *parent)

widget *	parent ()

virtual void	demand_reduce_width (const unsigned maximum_width)
	Tries to reduce the width of a widget. More...

virtual void	demand_reduce_height (const unsigned maximum_height)
	Tries to reduce the height of a widget. More...

point	get_best_size () const
	Gets the best size for the widget. More...

virtual bool	can_mouse_focus () const
	Whether the mouse move/click event go 'through' this widget. More...

virtual bool	can_wrap () const
	Can the widget wrap. More...

virtual void	set_origin (const point &origin)
	Sets the origin of the widget. More...

virtual void	set_size (const point &size)
	Sets the size of the widget. More...

virtual void	move (const int x_offset, const int y_offset)
	Moves a widget. More...

virtual void	set_horizontal_alignment (const std::string &alignment)
	Sets the horizontal alignment of the widget within its parent grid. More...

virtual void	set_vertical_alignment (const std::string &alignment)
	Sets the horizontal alignment of the widget within its parent grid. More...

virtual void	layout_children ()
	Allows a widget to update its children. More...

point	get_origin () const
	Returns the screen origin of the widget. More...

point	get_size () const
	Returns the size of the widget. More...

rect	get_rectangle () const
	Gets the bounding rectangle of the widget on the screen. More...

int	get_x () const

int	get_y () const

unsigned	get_width () const

unsigned	get_height () const

void	set_linked_group (const std::string &linked_group)

std::string	get_linked_group () const

SDL_Rect	calculate_blitting_rectangle () const
	Calculates the blitting rectangle of the widget. More...

SDL_Rect	calculate_clipping_rectangle () const
	Calculates the clipping rectangle of the widget. More...

bool	draw_background ()
	Draws the background of a widget. More...

void	draw_children ()
	Draws the children of a widget. More...

bool	draw_foreground ()
	Draws the foreground of the widget. More...

SDL_Rect	get_dirty_rectangle () const
	Gets the dirty rectangle of the widget. More...

virtual void	set_visible_rectangle (const SDL_Rect &rectangle)
	Sets the visible rectangle for a widget. More...

void	queue_redraw ()
	Indicates that this widget should be redrawn. More...

void	queue_redraw (const rect &region)
	Indicate that specific region of the screen should be redrawn. More...

void	set_visible (const visibility visible)

visibility	get_visible () const

void	set_visible (bool visible)
	Sets widget to visible if visible is true, else invisible. More...

void	set_hidden (bool hidden)
	Sets widget to visible if hidden is true, else hidden. More...

redraw_action	get_drawing_action () const

void	set_debug_border_mode (const debug_border debug_border_mode)

void	set_debug_border_color (const color_t debug_border_color)

virtual bool	has_widget (const widget &widget) const
	Does the widget contain the widget. More...

template<class T >
T *	find_widget (const std::string_view id, const bool must_be_active, const bool must_exist)
	Gets a widget with the wanted id. More...

template<class T >
const T *	find_widget (const std::string_view id, const bool must_be_active, const bool must_exist) const

template<class T >
T &	find_widget (const std::string_view id, const bool must_be_active=false)
	Gets a widget with the wanted id. More...

template<class T >
const T &	find_widget (const std::string_view id, const bool must_be_active=false) const

Public Member Functions inherited from gui2::event_executor
	event_executor ()

virtual	~event_executor ()

void	set_wants_mouse_hover (const bool hover=true)

bool	wants_mouse_hover () const

void	set_wants_mouse_left_double_click (const bool click=true)

bool	wants_mouse_left_double_click () const

void	set_wants_mouse_middle_double_click (const bool click=true)

bool	wants_mouse_middle_double_click () const

event_executor &	set_wants_mouse_right_double_click (const bool click=true)

bool	wants_mouse_right_double_click () const

Public Member Functions inherited from gui2::event::dispatcher
	dispatcher ()

virtual	~dispatcher ()

void	connect ()
	Connects the dispatcher to the event handler. More...

void	disconnect ()
	Disconnects the dispatcher from the event handler. More...

bool	is_connected () const
	Return whether the dispatcher is currently connected. More...

bool	has_event (const ui_event event, const event_queue_type event_type)

bool	fire (const ui_event event, widget &target)
	Fires an event which has no extra parameters. More...

bool	fire (const ui_event event, widget &target, const point &coordinate)
	Fires an event which takes a coordinate parameter. More...

bool	fire (const ui_event event, widget &target, const SDL_Keycode key, const SDL_Keymod modifier, const std::string &unicode)
	Fires an event which takes keyboard parameters. More...

bool	fire (const ui_event event, widget &target, const point &pos, const point &distance)
	Fires an event which takes touch-motion parameters. More...

bool	fire (const ui_event event, widget &target, const point &center, float dTheta, float dDist, uint8_t numFingers)
	Fires an event which takes touch-gesture parameters. More...

bool	fire (const ui_event event, widget &target, void *)
	Fires an event which takes notification parameters. More...

bool	fire (const ui_event event, widget &target, const message &msg)
	Fires an event which takes message parameters. More...

bool	fire (const ui_event event, widget &target, const SDL_Event &sdlevent)
	Fires an event that's a raw SDL event. More...

bool	fire (const ui_event event, widget &target, const std::string &text, int32_t start, int32_t len)
	Fires an event which takes text input parameters. More...

template<ui_event E, typename F >
void	connect_signal (const F &func, const queue_position position=back_child)
	Adds a callback to the appropriate queue based on event type. More...

template<ui_event E, typename F >
void	disconnect_signal (const F &func, const queue_position position=back_child)
	Removes a callback from the appropriate queue based on event type. More...

void	capture_mouse ()
	Captures the mouse. More...

void	release_mouse ()
	Releases the mouse capture. More...

void	set_mouse_behavior (const mouse_behavior mouse_behavior)

mouse_behavior	get_mouse_behavior () const

void	set_want_keyboard_input (const bool want_keyboard_input)

bool	get_want_keyboard_input () const

void	register_hotkey (const hotkey::HOTKEY_COMMAND id, const hotkey_function &function)
	Registers a hotkey. More...

bool	execute_hotkey (const hotkey::HOTKEY_COMMAND id)
	Executes a hotkey. More...

Public Member Functions inherited from enable_lua_ptr< widget >
	enable_lua_ptr (widget *tp)

Static Public Member Functions
static const std::string &	type ()
	Static type getter that does not rely on the widget being constructed. More...

Protected Member Functions
virtual void	place (const point &origin, const point &size) override
	See widget::place. More...

virtual void	update_canvas () override
	Updates the canvas(ses). More...

void	goto_end_of_line (const bool select=false) override
	Moves the cursor to the end of the line. More...

void	goto_start_of_line (const bool select=false) override
	Moves the cursor to the beginning of the line. More...

void	delete_char (const bool before_cursor) override
	Deletes the character. More...

void	delete_selection () override
	Deletes the current selection. More...

void	handle_mouse_selection (point mouse, const bool start_selection)

Protected Member Functions inherited from gui2::text_box_base
size_t	get_composition_length () const
	Get length of composition text by IME. More...

virtual void	goto_end_of_data (const bool select=false)
	Moves the cursor to the end of all text. More...

virtual void	goto_start_of_data (const bool select=false)
	Moves the cursor to the beginning of the data. More...

void	select_all ()
	Selects all text. More...

virtual void	set_cursor (const std::size_t offset, const bool select)
	Moves the cursor at the wanted position. More...

virtual void	insert_char (const std::string &unicode)
	Inserts a character at the cursor. More...

virtual void	copy_selection ()
	Copies the current selection. More...

virtual void	paste_selection ()
	Pastes the current selection. More...

point	get_cursor_position (const unsigned column, const unsigned line=0) const

point	get_column_line (const point &position) const

font::family_class	get_font_family ()

void	set_font_family (font::family_class fclass)

void	set_font_size (const unsigned font_size)

void	set_font_style (const font::pango_text::FONT_STYLE font_style)

void	set_maximum_width (const int width)

void	set_maximum_height (const int height, const bool multiline)

void	set_ellipse_mode (const PangoEllipsizeMode ellipse_mode)

std::size_t	get_selection_start () const

void	set_selection_start (const std::size_t selection_start)

std::size_t	get_selection_length () const

void	set_selection_length (const int selection_length)

std::size_t	get_composition_start () const

virtual void	handle_key_left_arrow (SDL_Keymod modifier, bool &handled)
	Left arrow key pressed. More...

virtual void	handle_key_right_arrow (SDL_Keymod modifier, bool &handled)
	Right arrow key pressed. More...

virtual void	handle_commit (bool &handled, const std::string &unicode)

virtual void	handle_editing (bool &handled, const std::string &unicode, int32_t start, int32_t length)
	SDL_TEXTEDITING handler. More...

Protected Member Functions inherited from gui2::styled_widget
virtual point	calculate_best_size () const override
	See widget::calculate_best_size. More...

resolution_definition_ptr	get_config ()

resolution_definition_const_ptr	get_config () const

template<typename T >
std::shared_ptr< const typename T::resolution >	cast_config_to () const
	Casts the current resolution definition config to the respective type of a derived widget. More...

void	set_config (resolution_definition_ptr config)

unsigned int	get_text_font_size () const
	Resolves and returns the text_font_size. More...

int	get_text_maximum_width () const
	Returns the maximum width available for the text. More...

int	get_text_maximum_height () const
	Returns the maximum height available for the text. More...

virtual bool	impl_draw_background () override
	See widget::impl_draw_background. More...

virtual bool	impl_draw_foreground () override
	See widget::impl_draw_foreground. More...

std::string	get_label_token (const point &position, const char *delimiters=" \n\r\t") const
	Exposes font::pango_text::get_token, for the text label of this styled_widget. More...

std::string	get_label_link (const point &position) const

Protected Member Functions inherited from gui2::widget
void	set_layout_size (const point &size)

const point &	layout_size () const

void	clear_layout_size ()
	Throws away layout_size_. More...

Private Member Functions
void	update_offsets ()
	Updates text_x_offset_ and text_y_offset_. More...

void	handle_key_up_arrow (SDL_Keymod, bool &handled) override
	Inherited from text_box_base. More...

void	handle_key_down_arrow (SDL_Keymod, bool &handled) override
	Inherited from text_box_base. More...

void	handle_key_clear_line (SDL_Keymod modifier, bool &handled) override
	Inherited from text_box_base. More...

void	update_mouse_cursor ()
	Update the mouse cursor based on whether it is over button area or text area. More...

virtual const std::string &	get_control_type () const override
	Inherited from styled_widget, implemented by REGISTER_WIDGET. More...

void	signal_handler_mouse_enter (const event::ui_event, bool &)

void	signal_handler_mouse_motion (const event::ui_event event, bool &handled, const point &coordinate)

void	signal_handler_left_button_down (const event::ui_event event, bool &handled)

void	signal_handler_left_button_up (const event::ui_event event, bool &handled)

void	signal_handler_left_button_double_click (const event::ui_event event, bool &handled)

Private Attributes
std::size_t	max_input_length_
	The maximum length of the text input. More...

unsigned const	ICON_SIZE = 25
	Size of the dropdown icon TODO : Should be dynamically loaded from image. More...

unsigned	text_x_offset_
	The x offset in the widget where the text starts. More...

unsigned	text_y_offset_
	The y offset in the widget where the text starts. More...

unsigned	text_height_
	The height of the text itself. More...

bool	dragging_
	Is the mouse in dragging mode, this affects selection in mouse move. More...

std::string	hint_text_
	Helper text to display (such as "Search") if the combo box is empty. More...

std::string	hint_image_
	Image (such as a magnifying glass) that accompanies the help text. More...

std::vector<::config >	values_

unsigned	selected_

Friends
struct	implementation::builder_combobox

Additional Inherited Members
Public Types inherited from gui2::text_box_base
enum	state_t { ENABLED , DISABLED , FOCUSED , HOVERED }
	Note the order of the states must be the same as defined in settings.hpp. More...

Public Types inherited from gui2::widget
enum class	visibility { visible , hidden , invisible }
	Visibility settings done by the user. More...

enum class	redraw_action { full , partly , none }
	Visibility set by the engine. More...

enum class	debug_border { none , outline , fill }

Public Types inherited from gui2::event::dispatcher
enum	event_queue_type { pre = 1 , child = 2 , post = 4 }

enum	queue_position { front_pre_child , back_pre_child , front_child , back_child , front_post_child , back_post_child }
	The position where to add a new callback in the signal handler. More...

enum class	mouse_behavior { all , hit , none }
	The behavior of the mouse events. More...

Detailed Description

Class for a combobox.

A widget that allows the user to input text or to select predefined options from a list accessed by clicking the dropdown arrow.

Definition at line 36 of file combobox.hpp.

Constructor & Destructor Documentation

◆ combobox()

gui2::combobox::combobox ( const implementation::builder_combobox & builder )

explicit

Definition at line 42 of file combobox.cpp.

References signal_handler_left_button_double_click(), signal_handler_left_button_down(), signal_handler_left_button_up(), signal_handler_mouse_enter(), and signal_handler_mouse_motion().

Member Function Documentation

◆ clear()

void gui2::combobox::clear ( )

inline

Definition at line 84 of file combobox.hpp.

References gui2::text_box_base::set_value().

◆ delete_char()

void gui2::combobox::delete_char ( const bool before_cursor )

overrideprotectedvirtual

Deletes the character.

Parameters

before_cursor If true it deletes the character before the cursor (backspace) else the character after the cursor (delete).

Implements gui2::text_box_base.

Definition at line 170 of file combobox.cpp.

References delete_selection(), gui2::text_box_base::get_selection_start(), gui2::text_box_base::set_cursor(), and gui2::text_box_base::set_selection_length().

◆ delete_selection()

void gui2::combobox::delete_selection ( )

overrideprotectedvirtual

Deletes the current selection.

Implements gui2::text_box_base.

Definition at line 181 of file combobox.cpp.

References utf8::erase(), gui2::text_box_base::get_selection_length(), gui2::text_box_base::get_selection_start(), gui2::text_box_base::get_value(), gui2::text_box_base::set_cursor(), gui2::text_box_base::set_value(), and editor::start().

Referenced by delete_char().

◆ get_control_type()

virtual const std::string& gui2::combobox::get_control_type ( ) const

overrideprivatevirtual

Inherited from styled_widget, implemented by REGISTER_WIDGET.

Implements gui2::styled_widget.

Referenced by signal_handler_mouse_motion().

◆ get_hint_image()

std::string gui2::combobox::get_hint_image ( ) const

inline

Definition at line 70 of file combobox.hpp.

References hint_image_.

◆ get_hint_text()

std::string gui2::combobox::get_hint_text ( ) const

inline

Definition at line 59 of file combobox.hpp.

References hint_text_.

◆ get_item_count()

int gui2::combobox::get_item_count ( ) const

inline

Definition at line 89 of file combobox.hpp.

References values_.

◆ get_max_input_length()

std::size_t gui2::combobox::get_max_input_length ( ) const

inline

Definition at line 48 of file combobox.hpp.

References max_input_length_.

◆ get_selected()

unsigned gui2::combobox::get_selected ( ) const

inline

Definition at line 96 of file combobox.hpp.

References selected_.

◆ goto_end_of_line()

void gui2::combobox::goto_end_of_line ( const bool select = false )

inlineoverrideprotectedvirtual

Moves the cursor to the end of the line.

Parameters

select Select the text from the original cursor position till the end of the line?

Implements gui2::text_box_base.

Definition at line 107 of file combobox.hpp.

References gui2::text_box_base::goto_end_of_data().

◆ goto_start_of_line()

void gui2::combobox::goto_start_of_line ( const bool select = false )

inlineoverrideprotectedvirtual

Moves the cursor to the beginning of the line.

Parameters

select Select the text from the original cursor position till the beginning of the line?

Implements gui2::text_box_base.

Definition at line 112 of file combobox.hpp.

References gui2::text_box_base::goto_start_of_data().

◆ handle_key_clear_line()

void gui2::combobox::handle_key_clear_line	(	SDL_Keymod	modifier,
		bool &	handled
	)

overrideprivatevirtual

Inherited from text_box_base.

Implements gui2::text_box_base.

Definition at line 250 of file combobox.cpp.

References gui2::text_box_base::set_value().

◆ handle_key_down_arrow()

void gui2::combobox::handle_key_down_arrow	(	SDL_Keymod	,
		bool &	handled
	)

overrideprivatevirtual

Inherited from text_box_base.

Unmodified Handled. Control Ignored. Shift Ignored. Alt Ignored.

Implements gui2::text_box_base.

Definition at line 265 of file combobox.cpp.

References DBG_GUI_E, LOG_SCOPE_HEADER, selected_, set_selected(), and values_.

◆ handle_key_up_arrow()

void gui2::combobox::handle_key_up_arrow	(	SDL_Keymod	,
		bool &	handled
	)

overrideprivatevirtual

Inherited from text_box_base.

Unmodified Handled. Control Ignored. Shift Ignored. Alt Ignored.

Implements gui2::text_box_base.

Definition at line 256 of file combobox.cpp.

References DBG_GUI_E, LOG_SCOPE_HEADER, selected_, and set_selected().

◆ handle_mouse_selection()

void gui2::combobox::handle_mouse_selection	(	point	mouse,
		const bool	start_selection
	)

protected

Definition at line 201 of file combobox.cpp.

References dragging_, gui2::text_box_base::get_column_line(), gui2::widget::get_x(), gui2::widget::get_y(), draw::point(), gui2::widget::queue_redraw(), gui2::text_box_base::set_cursor(), text_height_, text_x_offset_, text_y_offset_, and update_canvas().

Referenced by signal_handler_left_button_down(), and signal_handler_mouse_motion().

◆ place()

void gui2::combobox::place	(	const point &	origin,
		const point &	size
	)

overrideprotectedvirtual

See widget::place.

Reimplemented from gui2::styled_widget.

Definition at line 78 of file combobox.cpp.

References gui2::styled_widget::get_text_maximum_height(), gui2::styled_widget::get_text_maximum_width(), ICON_SIZE, max_input_length_, gui2::styled_widget::place(), gui2::text_box_base::set_maximum_height(), gui2::text_box_base::set_maximum_length(), gui2::text_box_base::set_maximum_width(), utf8::size(), and update_offsets().

◆ set_hint_data()

void gui2::combobox::set_hint_data	(	const std::string &	text,
		const std::string &	image
	)

inline

Definition at line 76 of file combobox.hpp.

References hint_image_, hint_text_, gui2::text_box_base::text(), and update_canvas().

◆ set_hint_image()

void gui2::combobox::set_hint_image ( const std::string & image )

inline

Definition at line 64 of file combobox.hpp.

References hint_image_, and update_canvas().

◆ set_hint_text()

void gui2::combobox::set_hint_text ( const std::string & text )

inline

Definition at line 53 of file combobox.hpp.

References hint_text_, gui2::text_box_base::text(), and update_canvas().

◆ set_max_input_length()

void gui2::combobox::set_max_input_length ( const std::size_t length )

inline

Definition at line 43 of file combobox.hpp.

References max_input_length_.

◆ set_selected()

void gui2::combobox::set_selected	(	unsigned	selected,
		bool	fire_event = `true`
	)

Definition at line 289 of file combobox.cpp.

References gui2::event::dispatcher::fire(), gui2::event::implementation::fire_event(), gui2::event::NOTIFY_MODIFIED, gui2::widget::queue_redraw(), game_config::images::selected, selected_, gui2::text_box_base::set_value(), and values_.

Referenced by handle_key_down_arrow(), handle_key_up_arrow(), gui2::dialogs::editor_edit_unit::set_selected_from_string(), and signal_handler_left_button_down().

◆ set_values()

void gui2::combobox::set_values	(	const std::vector<::config > &	values,
		unsigned	selected = `0`
	)

Definition at line 274 of file combobox.cpp.

References gui2::widget::queue_redraw(), game_config::images::selected, selected_, gui2::text_box_base::set_value(), utils::views::values, and values_.

Referenced by gui2::dialogs::editor_edit_unit::pre_show().

◆ signal_handler_left_button_double_click()

void gui2::combobox::signal_handler_left_button_double_click	(	const event::ui_event	event,
		bool &	handled
	)

private

Definition at line 387 of file combobox.cpp.

References DBG_GUI_E, LOG_HEADER, and gui2::text_box_base::select_all().

Referenced by combobox().

◆ signal_handler_left_button_down()

void gui2::combobox::signal_handler_left_button_down	(	const event::ui_event	event,
		bool &	handled
	)

private

Definition at line 339 of file combobox.cpp.

References DBG_GUI_E, gui2::get_mouse_position(), gui2::widget::get_size(), gui2::widget::get_window(), gui2::widget::get_x(), handle_mouse_selection(), ICON_SIZE, gui2::window::keyboard_capture(), LOG_HEADER, gui2::window::mouse_capture(), game_config::images::selected, selected_, gui2::dialogs::drop_down_menu::selected_item(), set_selected(), gui2::dialogs::modal_dialog::show(), and values_.

Referenced by combobox().

◆ signal_handler_left_button_up()

void gui2::combobox::signal_handler_left_button_up	(	const event::ui_event	event,
		bool &	handled
	)

private

Definition at line 377 of file combobox.cpp.

References DBG_GUI_E, dragging_, and LOG_HEADER.

Referenced by combobox().

◆ signal_handler_mouse_enter()

void gui2::combobox::signal_handler_mouse_enter	(	const event::ui_event	,
		bool &
	)

private

Definition at line 318 of file combobox.cpp.

References update_mouse_cursor().

Referenced by combobox().

◆ signal_handler_mouse_motion()

void gui2::combobox::signal_handler_mouse_motion	(	const event::ui_event	event,
		bool &	handled,
		const point &	coordinate
	)

private

Definition at line 324 of file combobox.cpp.

References DBG_GUI_E, dragging_, get_control_type(), handle_mouse_selection(), gui2::widget::id(), and update_mouse_cursor().

Referenced by combobox().

◆ type()

static const std::string& gui2::combobox::type ( )

static

Static type getter that does not rely on the widget being constructed.

◆ update_canvas()

void gui2::combobox::update_canvas ( )

overrideprotectedvirtual

Updates the canvas(ses).

This function should be called if either the size of the widget changes or the text on the widget changes.

Reimplemented from gui2::styled_widget.

Definition at line 91 of file combobox.cpp.

Referenced by handle_mouse_selection(), set_hint_data(), set_hint_image(), set_hint_text(), and update_offsets().

◆ update_mouse_cursor()

void gui2::combobox::update_mouse_cursor ( )

private

Update the mouse cursor based on whether it is over button area or text area.

Definition at line 306 of file combobox.cpp.

References gui2::get_mouse_position(), gui2::widget::get_size(), gui2::widget::get_x(), cursor::IBEAM, ICON_SIZE, cursor::NORMAL, and cursor::set().

Referenced by signal_handler_mouse_enter(), and signal_handler_mouse_motion().

◆ update_offsets()

void gui2::combobox::update_offsets ( )

private

Updates text_x_offset_ and text_y_offset_.

Definition at line 225 of file combobox.cpp.

References wfl::map_formula_callable::add(), gui2::styled_widget::get_canvases(), gui2::widget::get_height(), font::get_max_height(), gui2::styled_widget::get_text_font_size(), gui2::widget::get_width(), text_height_, text_x_offset_, text_y_offset_, and update_canvas().

Referenced by place().

Friends And Related Function Documentation

◆ implementation::builder_combobox

friend struct implementation::builder_combobox

friend

Definition at line 38 of file combobox.hpp.

Member Data Documentation

◆ dragging_

bool gui2::combobox::dragging_

private

Is the mouse in dragging mode, this affects selection in mouse move.

Definition at line 159 of file combobox.hpp.

Referenced by handle_mouse_selection(), signal_handler_left_button_up(), and signal_handler_mouse_motion().

◆ hint_image_

std::string gui2::combobox::hint_image_

private

Image (such as a magnifying glass) that accompanies the help text.

Definition at line 165 of file combobox.hpp.

Referenced by get_hint_image(), set_hint_data(), set_hint_image(), and update_canvas().

◆ hint_text_

std::string gui2::combobox::hint_text_

private

Helper text to display (such as "Search") if the combo box is empty.

Definition at line 162 of file combobox.hpp.

Referenced by get_hint_text(), set_hint_data(), set_hint_text(), and update_canvas().

◆ ICON_SIZE

unsigned const gui2::combobox::ICON_SIZE = 25

private

Size of the dropdown icon TODO : Should be dynamically loaded from image.

Definition at line 131 of file combobox.hpp.

Referenced by place(), signal_handler_left_button_down(), update_canvas(), and update_mouse_cursor().

◆ max_input_length_

std::size_t gui2::combobox::max_input_length_

private

The maximum length of the text input.

Definition at line 126 of file combobox.hpp.

Referenced by get_max_input_length(), place(), set_max_input_length(), and update_canvas().

◆ selected_

unsigned gui2::combobox::selected_

private

Definition at line 169 of file combobox.hpp.

Referenced by get_selected(), handle_key_down_arrow(), handle_key_up_arrow(), set_selected(), set_values(), and signal_handler_left_button_down().

◆ text_height_

unsigned gui2::combobox::text_height_

private

The height of the text itself.

Needed to determine whether a click is on the text.

Definition at line 153 of file combobox.hpp.

Referenced by handle_mouse_selection(), and update_offsets().

◆ text_x_offset_

unsigned gui2::combobox::text_x_offset_

private

The x offset in the widget where the text starts.

This value is needed to translate a location in the widget to a location in the text.

Definition at line 139 of file combobox.hpp.

Referenced by handle_mouse_selection(), update_canvas(), and update_offsets().

◆ text_y_offset_

unsigned gui2::combobox::text_y_offset_

private

The y offset in the widget where the text starts.

Needed to determine whether a click is on the text.

Definition at line 146 of file combobox.hpp.

Referenced by handle_mouse_selection(), update_canvas(), and update_offsets().

◆ values_

std::vector<::config> gui2::combobox::values_

private

Definition at line 167 of file combobox.hpp.

Referenced by get_item_count(), handle_key_down_arrow(), set_selected(), set_values(), and signal_handler_left_button_down().

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

gui/widgets/combobox.hpp
gui/widgets/combobox.cpp

Public Member Functions

Static Public Member Functions

Protected Member Functions

Private Member Functions

Private Attributes

Friends

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ combobox()

Member Function Documentation

◆ clear()

◆ delete_char()

◆ delete_selection()

◆ get_control_type()

◆ get_hint_image()

◆ get_hint_text()

◆ get_item_count()

◆ get_max_input_length()

◆ get_selected()

◆ goto_end_of_line()

◆ goto_start_of_line()

◆ handle_key_clear_line()

◆ handle_key_down_arrow()

◆ handle_key_up_arrow()

◆ handle_mouse_selection()

◆ place()

◆ set_hint_data()

◆ set_hint_image()

◆ set_hint_text()

◆ set_max_input_length()

◆ set_selected()

◆ set_values()

◆ signal_handler_left_button_double_click()

◆ signal_handler_left_button_down()

◆ signal_handler_left_button_up()

◆ signal_handler_mouse_enter()

◆ signal_handler_mouse_motion()

◆ type()

◆ update_canvas()

◆ update_mouse_cursor()

◆ update_offsets()

Friends And Related Function Documentation

◆ implementation::builder_combobox

Member Data Documentation

◆ dragging_

◆ hint_image_

◆ hint_text_

◆ ICON_SIZE

◆ max_input_length_

◆ selected_

◆ text_height_

◆ text_x_offset_

◆ text_y_offset_

◆ values_