Label showing a text. More...

#include <label.hpp>

Inheritance diagram for gui2::tlabel:

Public Member Functions
	tlabel ()

virtual bool	can_wrap () const override
	See twidget::can_wrap. More...

virtual unsigned	get_characters_per_line () const override
	See tcontrol::get_characters_per_line. More...

virtual bool	get_link_aware () const override
	See tcontrol::get_link_aware. More...

virtual std::string	get_link_color () const override
	See tcontrol::get_link_aware. More...

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

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

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

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

void	set_can_wrap (const bool wrap)

void	set_characters_per_line (const unsigned set_characters_per_line)

void	set_link_aware (bool l)

void	set_link_color (const std::string &color)

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

Public Member Functions inherited from gui2::tcontrol
	tcontrol (const unsigned canvas_count)

	tcontrol (const implementation::tbuilder_control &builder, const unsigned canvas_count, const std::string &control_type)
	Constructor. More...

virtual void	set_members (const string_map &data)
	Sets the members of the control. More...

virtual iterator::twalker_ *	create_walker () override
	See twidget::create_walker. More...

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

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

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

virtual void	layout_initialise (const bool full_initialisation) override
	See twidget::layout_initialise. More...

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

virtual void	place (const tpoint &origin, const tpoint &size) override
	See twidget::place. More...

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

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

twidget *	find (const std::string &id, const bool must_be_active) override
	See twidget::find. More...

const twidget *	find (const std::string &id, const bool must_be_active) const override
	See twidget::find. More...

void	set_definition (const std::string &definition)
	Sets the definition. More...

bool	get_use_tooltip_on_label_overflow () const

void	set_use_tooltip_on_label_overflow (const bool use_tooltip=true)

const t_string &	label () const

virtual void	set_label (const t_string &label)

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< tcanvas > &	canvas ()

tcanvas &	canvas (const unsigned index)

void	set_text_alignment (const PangoAlignment text_alignment)

PangoAlignment	get_text_alignment () const

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

	twidget (const tbuilder_widget &builder)
	Constructor. More...

virtual	~twidget () override

void	set_id (const std::string &id)

const std::string &	id () const

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

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

tdialog *	dialog ()
	Returns the top-level dialogue. More...

void	set_parent (twidget *parent)

twidget *	parent ()

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

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

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

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

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

virtual void	set_size (const tpoint &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	layout_children ()
	Allows a widget to update its children. More...

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

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

SDL_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)

SDL_Rect	calculate_blitting_rectangle (const int x_offset, const int y_offset)
	Calculates the blitting rectangle of the widget. More...

SDL_Rect	calculate_clipping_rectangle (const int x_offset, const int y_offset)
	Calculates the clipping rectangle of the widget. More...

void	draw_background (surface &frame_buffer, int x_offset, int y_offset)
	Draws the background of a widget. More...

void	draw_children (surface &frame_buffer, int x_offset, int y_offset)
	Draws the children of a widget. More...

void	draw_foreground (surface &frame_buffer, int x_offset, int y_offset)
	Draws the foreground of the widget. More...

void	populate_dirty_list (twindow &caller, std::vector< twidget * > &call_stack)
	Adds a widget to the dirty list if it is dirty. 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	set_is_dirty (const bool is_dirty)

bool	get_is_dirty () const

void	set_visible (const tvisible::scoped_enum visible)

tvisible::scoped_enum	get_visible () const

tredraw_action::scoped_enum	get_drawing_action () const

void	set_debug_border_mode (const unsigned debug_border_mode)

void	set_debug_border_colour (const unsigned debug_border_colour)

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

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

virtual	~tevent_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

tevent_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::tdispatcher
	tdispatcher ()

virtual	~tdispatcher ()

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

bool	has_event (const tevent event, const tevent_type event_type)

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

bool	fire (const tevent event, twidget &target, const tpoint &coordinate)
	Fires an event which takes a coordinate parameter. More...

bool	fire (const tevent event, twidget &target, const SDLKey key, const SDLMod modifier, const utf8::string &unicode)
	Fires an event which takes keyboard parameters. More...

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

bool	fire (const tevent event, twidget &target, tmessage &message)
	Fires an event which takes message parameters. More...

template<tevent E>
boost::enable_if < boost::mpl::has_key < tset_event, boost::mpl::int_ < E > > >::type	connect_signal (const tsignal_function &signal, const tposition position=back_child)
	Connect a signal for callback in tset_event. More...

template<tevent E>
boost::enable_if < boost::mpl::has_key < tset_event, boost::mpl::int_ < E > > >::type	disconnect_signal (const tsignal_function &signal, const tposition position=back_child)
	Disconnect a signal for callback in tset_event. More...

template<tevent E>
boost::enable_if < boost::mpl::has_key < tset_event_mouse, boost::mpl::int_< E > > >::type	connect_signal (const tsignal_mouse_function &signal, const tposition position=back_child)
	Connect a signal for callback in tset_event_mouse. More...

template<tevent E>
boost::enable_if < boost::mpl::has_key < tset_event_mouse, boost::mpl::int_< E > > >::type	disconnect_signal (const tsignal_mouse_function &signal, const tposition position=back_child)
	Disconnect a signal for callback in tset_event_mouse. More...

template<tevent E>
boost::enable_if < boost::mpl::has_key < tset_event_keyboard, boost::mpl::int_< E > > >::type	connect_signal (const tsignal_keyboard_function &signal, const tposition position=back_child)
	Connect a signal for callback in tset_event_keyboard. More...

template<tevent E>
boost::enable_if < boost::mpl::has_key < tset_event_keyboard, boost::mpl::int_< E > > >::type	disconnect_signal (const tsignal_keyboard_function &signal, const tposition position=back_child)
	Disconnect a signal for callback in tset_event_keyboard. More...

template<tevent E>
boost::enable_if < boost::mpl::has_key < tset_event_notification, boost::mpl::int_< E > > >::type	connect_signal (const tsignal_notification_function &signal, const tposition position=back_child)
	Connect a signal for callback in tset_event_notification. More...

template<tevent E>
boost::enable_if < boost::mpl::has_key < tset_event_notification, boost::mpl::int_< E > > >::type	disconnect_signal (const tsignal_notification_function &signal, const tposition position=back_child)
	Disconnect a signal for callback in tset_event_notification. More...

template<tevent E>
boost::enable_if < boost::mpl::has_key < tset_event_message, boost::mpl::int_< E > > >::type	connect_signal (const tsignal_message_function &signal, const tposition position=back_child)
	Connect a signal for callback in tset_event_message. More...

template<tevent E>
boost::enable_if < boost::mpl::has_key < tset_event_message, boost::mpl::int_< E > > >::type	disconnect_signal (const tsignal_message_function &signal, const tposition position=back_child)
	Disconnect a signal for callback in tset_event_message. More...

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

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

void	set_mouse_behavior (const tmouse_behavior mouse_behavior)

tmouse_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 thotkey_function &function)
	Registers a hotkey. More...

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

Private Types
enum	tstate { ENABLED, DISABLED, COUNT }
	Possible states of the widget. More...

Private Member Functions
void	set_state (const tstate state)

virtual const std::string &	get_control_type () const override
	See tcontrol::get_control_type. More...

void	load_config_extra ()
	Inherited from tcontrol. More...

void	signal_handler_left_button_click (const event::tevent event, bool &handled)
	Left click signal handler: checks if we clicked on a hyperlink. More...

void	signal_handler_right_button_click (const event::tevent event, bool &handled)
	Right click signal handler: checks if we clicked on a hyperlink, copied to clipboard. More...

Private Attributes
tstate	state_
	Current state of the widget. More...

bool	can_wrap_
	Holds the label can wrap or not. More...

unsigned	characters_per_line_
	The maximum number of characters per line. More...

bool	link_aware_
	Whether the label is link aware, rendering links with special formatting and handling click events. More...

std::string	link_color_
	What color links will be rendered in. More...

Additional Inherited Members
Public Types inherited from gui2::event::tdispatcher
enum	tevent_type { pre = 1, child = 2, post = 4 }

enum	tposition { 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	tmouse_behavior { all, hit, none }
	The behavior of the mouse events. More...

Protected Member Functions inherited from gui2::tcontrol
virtual tpoint	calculate_best_size () const override
	See twidget::calculate_best_size. More...

tresolution_definition_ptr	config ()

tresolution_definition_const_ptr	config () const

void	set_config (tresolution_definition_ptr config)

virtual void	update_canvas ()
	Updates the canvas(ses). 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 void	impl_draw_background (surface &frame_buffer, int x_offset, int y_offset) override
	See twidget::impl_draw_background. More...

virtual void	impl_draw_foreground (surface &frame_buffer, int x_offset, int y_offset) override
	See twidget::impl_draw_foreground. More...

std::string	get_label_token (const gui2::tpoint &position, const char *delimiters=" \n\r\t") const
	Exposes font::ttext::get_token, for the text label of this control. More...

std::string	get_label_link (const gui2::tpoint &position) const

Protected Member Functions inherited from gui2::twidget
void	set_layout_size (const tpoint &size)

const tpoint &	layout_size () const

Detailed Description

Label showing a text.

Definition at line 29 of file label.hpp.

Member Enumeration Documentation

enum gui2::tlabel::tstate

private

Possible states of the widget.

Note the order of the states must be the same as defined in settings.hpp.

Enumerator
ENABLED
DISABLED
COUNT

Definition at line 78 of file label.hpp.

Constructor & Destructor Documentation

gui2::tlabel::tlabel ( )

Definition at line 43 of file label.cpp.

References signal_handler_left_button_click(), and signal_handler_right_button_click().

Member Function Documentation

virtual bool gui2::tlabel::can_mouse_focus ( ) const

inlineoverridevirtual

Whether the mouse move/click event go 'through' this widget.

Reimplemented from gui2::twidget.

Definition at line 71 of file label.hpp.

bool gui2::tlabel::can_wrap ( ) const

overridevirtual

See twidget::can_wrap.

Reimplemented from gui2::twidget.

Definition at line 55 of file label.cpp.

References can_wrap_.

bool gui2::tlabel::disable_click_dismiss ( ) const

overridevirtual

See twidget::disable_click_dismiss.

Reimplemented from gui2::tcontrol.

Definition at line 92 of file label.cpp.

bool gui2::tlabel::get_active ( ) const

overridevirtual

See tcontrol::get_active.

Implements gui2::tcontrol.

Definition at line 82 of file label.cpp.

References DISABLED, and state_.

Referenced by set_active().

unsigned gui2::tlabel::get_characters_per_line ( ) const

overridevirtual

See tcontrol::get_characters_per_line.

Reimplemented from gui2::tcontrol.

Definition at line 60 of file label.cpp.

References characters_per_line_.

const std::string & gui2::tlabel::get_control_type ( ) const

overrideprivatevirtual

See tcontrol::get_control_type.

Implements gui2::tcontrol.

Definition at line 131 of file label.cpp.

bool gui2::tlabel::get_link_aware ( ) const

overridevirtual

See tcontrol::get_link_aware.

Reimplemented from gui2::tcontrol.

Definition at line 65 of file label.cpp.

References link_aware_.

Referenced by signal_handler_left_button_click(), and signal_handler_right_button_click().

std::string gui2::tlabel::get_link_color ( ) const

overridevirtual

See tcontrol::get_link_aware.

Reimplemented from gui2::tcontrol.

Definition at line 70 of file label.cpp.

References link_color_.

unsigned gui2::tlabel::get_state ( ) const

overridevirtual

See tcontrol::get_state.

Implements gui2::tcontrol.

Definition at line 87 of file label.cpp.

References state_.

void gui2::tlabel::load_config_extra ( )

privatevirtual

Inherited from tcontrol.

Reimplemented from gui2::tcontrol.

Definition at line 137 of file label.cpp.

References gui2::tcontrol::config(), set_link_aware(), and set_link_color().

void gui2::tlabel::set_active ( const bool active )

overridevirtual

See tcontrol::set_active.

Implements gui2::tcontrol.

Definition at line 75 of file label.cpp.

References DISABLED, get_active(), and set_state().

void gui2::tlabel::set_can_wrap ( const bool wrap )

inline

Definition at line 60 of file label.hpp.

References can_wrap_.

Referenced by gui2::implementation::tbuilder_label::build(), gui2::tscroll_label::finalize_subclass(), gui2::twml_message_::pre_show(), and gui2::tscroll_label::set_can_wrap().

void gui2::tlabel::set_characters_per_line ( const unsigned set_characters_per_line )

Definition at line 97 of file label.cpp.

Referenced by gui2::implementation::tbuilder_label::build().

void gui2::tlabel::set_link_aware ( bool l )

Definition at line 102 of file label.cpp.

References link_aware_, gui2::twidget::set_is_dirty(), and gui2::tcontrol::update_canvas().

Referenced by load_config_extra().

void gui2::tlabel::set_link_color ( const std::string & color )

Definition at line 113 of file label.cpp.

References link_color_, gui2::twidget::set_is_dirty(), and gui2::tcontrol::update_canvas().

Referenced by load_config_extra().

void gui2::tlabel::set_state ( const tstate state )

private

Definition at line 123 of file label.cpp.

References gui2::twidget::set_is_dirty(), and state_.

Referenced by set_active().

void gui2::tlabel::signal_handler_left_button_click	(	const event::tevent	event,
		bool &	handled
	)

private

Left click signal handler: checks if we clicked on a hyperlink.

Definition at line 152 of file label.cpp.

References _(), gui2::tmessage::auto_close, DBG_GUI_E, gui2::tcontrol::get_label_link(), get_link_aware(), gui2::get_mouse_position(), gui2::twidget::get_window(), gui2::twidget::get_x(), gui2::twidget::get_y(), gui2::twindow::OK, desktop::open_object(), desktop::open_object_is_supported(), gui2::show_message(), gui2::tpoint::x, gui2::tpoint::y, and gui2::tmessage::yes_no_buttons.

Referenced by tlabel().

void gui2::tlabel::signal_handler_right_button_click	(	const event::tevent	event,
		bool &	handled
	)

private

Right click signal handler: checks if we clicked on a hyperlink, copied to clipboard.

Definition at line 188 of file label.cpp.

References _(), gui2::tmessage::auto_close, desktop::clipboard::copy_to_clipboard(), DBG_GUI_E, gui2::tcontrol::get_label_link(), get_link_aware(), gui2::get_mouse_position(), gui2::twidget::get_window(), gui2::twidget::get_x(), gui2::twidget::get_y(), gui2::show_message(), gui2::tpoint::x, and gui2::tpoint::y.

Referenced by tlabel().

Member Data Documentation

bool gui2::tlabel::can_wrap_

private

Holds the label can wrap or not.

Definition at line 95 of file label.hpp.

Referenced by can_wrap(), and set_can_wrap().

unsigned gui2::tlabel::characters_per_line_

private

The maximum number of characters per line.

The maximum is not an exact maximum, it uses the average character width.

Definition at line 102 of file label.hpp.

Referenced by get_characters_per_line().

bool gui2::tlabel::link_aware_

private

Whether the label is link aware, rendering links with special formatting and handling click events.

Definition at line 108 of file label.hpp.

Referenced by get_link_aware(), and set_link_aware().

std::string gui2::tlabel::link_color_

private

What color links will be rendered in.

Definition at line 113 of file label.hpp.

Referenced by get_link_color(), and set_link_color().

tstate gui2::tlabel::state_

private

Current state of the widget.

The state of the widget determines what to render and how the widget reacts to certain 'events'.

Definition at line 92 of file label.hpp.

Referenced by get_active(), get_state(), and set_state().

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

gui/widgets/label.hpp
gui/widgets/label.cpp

Public Member Functions

Private Types

Private Member Functions

Private Attributes

Additional Inherited Members

Detailed Description

Member Enumeration Documentation

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation