The Battle for Wesnoth  1.19.14+dev
Public Member Functions | Private Types | Private Member Functions | Private Attributes | List of all members
font::floating_label Class Reference

#include <floating_label.hpp>

Public Member Functions

 floating_label (const std::string &text)
 
void set_font_size (int font_size)
 
void set_position (double xpos, double ypos)
 
void set_move (double xmove, double ymove)
 
void set_lifetime (const std::chrono::milliseconds &lifetime, const std::chrono::milliseconds &fadeout=std::chrono::milliseconds{100})
 
void set_color (const color_t &color)
 
void set_bg_color (const color_t &bg_color)
 
void set_border_size (int border)
 
void set_width (int w)
 
void set_height (int h)
 
void set_clip_rect (const rect &r)
 
void set_alignment (ALIGN align)
 
void set_scroll_mode (LABEL_SCROLL_MODE scroll)
 
void use_markup (bool b)
 
void undraw ()
 Mark the last drawn location as requiring redraw. More...
 
void move (double xmove, double ymove)
 Change the floating label's position. More...
 
void update (const clock::time_point &time)
 Finalize draw position and alpha, and queue redrawing if changed. More...
 
void draw ()
 Draw the label to the screen. More...
 
bool create_texture ()
 Ensure a texture for this floating label exists, creating one if needed. More...
 
void clear_texture ()
 
point get_draw_size () const
 Return the size of the label in drawing coordinates. More...
 
bool expired (const clock::time_point &time) const
 
void show (const bool value)
 
LABEL_SCROLL_MODE scroll () const
 
auto get_fade_time () const
 

Private Types

using clock = std::chrono::steady_clock
 

Private Member Functions

clock::duration get_time_alive (const clock::time_point &current_time) const
 
int xpos (std::size_t width) const
 
point get_pos (const clock::time_point &time) const
 
uint8_t get_alpha (const clock::time_point &time) const
 
rect get_bg_rect (const rect &text_rect) const
 

Private Attributes

texture tex_
 
rect screen_loc_
 
uint8_t alpha_
 
std::chrono::milliseconds fadeout_
 
clock::time_point time_start_
 
std::string text_
 
int font_size_
 
color_t color_
 
color_t bgcolor_
 
double xpos_
 
double ypos_
 
double xmove_
 
double ymove_
 
std::chrono::milliseconds lifetime_
 
int width_
 
int height_
 
rect clip_rect_
 
bool visible_
 
font::ALIGN align_
 
int border_
 
LABEL_SCROLL_MODE scroll_
 
bool use_markup_
 

Detailed Description

Definition at line 42 of file floating_label.hpp.

Member Typedef Documentation

◆ clock

using font::floating_label::clock = std::chrono::steady_clock
private

Definition at line 44 of file floating_label.hpp.

Constructor & Destructor Documentation

◆ floating_label()

font::floating_label::floating_label ( const std::string &  text)

Definition at line 55 of file floating_label.cpp.

Member Function Documentation

◆ clear_texture()

void font::floating_label::clear_texture ( )

Definition at line 104 of file floating_label.cpp.

References texture::reset(), and tex_.

◆ create_texture()

bool font::floating_label::create_texture ( )

Ensure a texture for this floating label exists, creating one if needed.

Returns
true if the texture exists, false in the case of failure.

Definition at line 109 of file floating_label.cpp.

References bgcolor_, clip_rect_, color_, DBG_FT, ERR_FT, font_size_, font::get_text_renderer(), video::headless(), height_, font::pango_text::render_and_get_texture(), font::sans_serif, font::pango_text::set_add_outline(), font::pango_text::set_alignment(), font::pango_text::set_characters_per_line(), font::pango_text::set_ellipse_mode(), font::pango_text::set_family_class(), font::pango_text::set_font_size(), font::pango_text::set_font_style(), font::pango_text::set_foreground_color(), font::pango_text::set_link_aware(), font::pango_text::set_maximum_height(), font::pango_text::set_maximum_width(), font::pango_text::set_text(), font::pango_text::STYLE_NORMAL, tex_, text_, use_markup_, and width_.

Referenced by update().

◆ draw()

void font::floating_label::draw ( )

Draw the label to the screen.

Definition at line 192 of file floating_label.cpp.

References alpha_, bgcolor_, draw::blit(), clip_rect_, DBG_FT, rect::empty(), ERR_DP, draw::fill(), get_bg_rect(), draw::get_clip(), rect::intersect(), rect::overlaps(), draw::reduce_clip(), screen_loc_, texture::set_alpha_mod(), tex_, and visible_.

◆ expired()

bool font::floating_label::expired ( const clock::time_point &  time) const
inline

Definition at line 100 of file floating_label.hpp.

References fadeout_, get_time_alive(), and lifetime_.

◆ get_alpha()

uint8_t font::floating_label::get_alpha ( const clock::time_point &  time) const
private

Definition at line 254 of file floating_label.cpp.

References ALPHA_OPAQUE, fadeout_, float_to_color(), get_time_alive(), lifetime_, and chrono::normalize_progress().

Referenced by update().

◆ get_bg_rect()

rect font::floating_label::get_bg_rect ( const rect &  text_rect) const
private

Definition at line 99 of file floating_label.cpp.

References border_, and rect::padded_by().

Referenced by draw(), get_draw_size(), undraw(), and update().

◆ get_draw_size()

point font::floating_label::get_draw_size ( ) const
inline

Return the size of the label in drawing coordinates.

Definition at line 95 of file floating_label.hpp.

References get_bg_rect(), texture::h(), utf8::size(), tex_, and texture::w().

◆ get_fade_time()

auto font::floating_label::get_fade_time ( ) const
inline

Definition at line 110 of file floating_label.hpp.

References fadeout_.

◆ get_pos()

point font::floating_label::get_pos ( const clock::time_point &  time) const
private

Definition at line 239 of file floating_label.cpp.

References get_time_alive(), tex_, texture::w(), xmove_, xpos(), ymove_, and ypos_.

Referenced by update().

◆ get_time_alive()

auto font::floating_label::get_time_alive ( const clock::time_point &  current_time) const
private

Definition at line 234 of file floating_label.cpp.

Referenced by expired(), get_alpha(), and get_pos().

◆ move()

void font::floating_label::move ( double  xmove,
double  ymove 
)

Change the floating label's position.

Definition at line 81 of file floating_label.cpp.

References xpos_, and ypos_.

◆ scroll()

LABEL_SCROLL_MODE font::floating_label::scroll ( ) const
inline

Definition at line 107 of file floating_label.hpp.

References scroll_.

Referenced by set_scroll_mode().

◆ set_alignment()

void font::floating_label::set_alignment ( ALIGN  align)
inline

Definition at line 72 of file floating_label.hpp.

References align_.

Referenced by display_chat_manager::add_chat_message(), game_lua_kernel::intf_set_floating_label(), and gui::floating_textbox::update_location().

◆ set_bg_color()

void font::floating_label::set_bg_color ( const color_t &  bg_color)
inline

Definition at line 64 of file floating_label.hpp.

References bgcolor_.

Referenced by display_chat_manager::add_chat_message(), game_lua_kernel::intf_set_floating_label(), editor::editor_display::set_help_string(), and editor::editor_display::set_status().

◆ set_border_size()

void font::floating_label::set_border_size ( int  border)
inline

Definition at line 67 of file floating_label.hpp.

References border, and border_.

Referenced by display_chat_manager::add_chat_message(), editor::editor_display::set_help_string(), and editor::editor_display::set_status().

◆ set_clip_rect()

void font::floating_label::set_clip_rect ( const rect &  r)
inline

Definition at line 71 of file floating_label.hpp.

References clip_rect_.

Referenced by display_chat_manager::add_chat_message(), display::announce(), game_lua_kernel::intf_set_floating_label(), terrain_label::recalculate(), display::set_diagnostic(), and gui::floating_textbox::update_location().

◆ set_color()

void font::floating_label::set_color ( const color_t &  color)
inline

Definition at line 63 of file floating_label.hpp.

References color_.

Referenced by display_chat_manager::add_chat_message(), display::announce(), game_display::float_label(), game_lua_kernel::intf_set_floating_label(), terrain_label::recalculate(), display::set_diagnostic(), and gui::floating_textbox::update_location().

◆ set_font_size()

void font::floating_label::set_font_size ( int  font_size)
inline

Definition at line 49 of file floating_label.hpp.

References font_size_.

Referenced by display_chat_manager::add_chat_message(), display::announce(), game_display::float_label(), game_lua_kernel::intf_set_floating_label(), terrain_label::recalculate(), display::set_diagnostic(), editor::editor_display::set_help_string(), and editor::editor_display::set_status().

◆ set_height()

void font::floating_label::set_height ( int  h)
inline

Definition at line 70 of file floating_label.hpp.

References h, and height_.

Referenced by terrain_label::recalculate().

◆ set_lifetime()

void font::floating_label::set_lifetime ( const std::chrono::milliseconds &  lifetime,
const std::chrono::milliseconds &  fadeout = std::chrono::milliseconds{100} 
)

Definition at line 227 of file floating_label.cpp.

References fadeout_, lifetime_, and time_start_.

Referenced by display::announce(), game_display::float_label(), game_lua_kernel::intf_set_floating_label(), and editor::editor_display::set_status().

◆ set_move()

void font::floating_label::set_move ( double  xmove,
double  ymove 
)
inline

Definition at line 57 of file floating_label.hpp.

References xmove_, and ymove_.

Referenced by game_display::float_label().

◆ set_position()

void font::floating_label::set_position ( double  xpos,
double  ypos 
)
inline

Definition at line 52 of file floating_label.hpp.

References xpos(), xpos_, and ypos_.

Referenced by display_chat_manager::add_chat_message(), display::announce(), game_display::float_label(), game_lua_kernel::intf_set_floating_label(), terrain_label::recalculate(), display::set_diagnostic(), editor::editor_display::set_help_string(), editor::editor_display::set_status(), and gui::floating_textbox::update_location().

◆ set_scroll_mode()

void font::floating_label::set_scroll_mode ( LABEL_SCROLL_MODE  scroll)
inline

Definition at line 73 of file floating_label.hpp.

References scroll(), and scroll_.

Referenced by game_display::float_label(), and terrain_label::recalculate().

◆ set_width()

void font::floating_label::set_width ( int  w)
inline

Definition at line 69 of file floating_label.hpp.

References w, and width_.

Referenced by game_lua_kernel::intf_set_floating_label(), and terrain_label::recalculate().

◆ show()

void font::floating_label::show ( const bool  value)
inline

Definition at line 105 of file floating_label.hpp.

References visible_.

◆ undraw()

void font::floating_label::undraw ( )

Mark the last drawn location as requiring redraw.

Definition at line 151 of file floating_label.cpp.

References DBG_FT, get_bg_rect(), draw_manager::invalidate_region(), and screen_loc_.

◆ update()

void font::floating_label::update ( const clock::time_point &  time)

Finalize draw position and alpha, and queue redrawing if changed.

Definition at line 158 of file floating_label.cpp.

References alpha_, border_, create_texture(), DBG_FT, texture::draw_size(), ERR_FT, get_alpha(), get_bg_rect(), get_pos(), video::headless(), draw_manager::invalidate_region(), screen_loc_, tex_, and text_.

◆ use_markup()

void font::floating_label::use_markup ( bool  b)
inline

Definition at line 74 of file floating_label.hpp.

References b, and use_markup_.

Referenced by display_chat_manager::add_chat_message(), terrain_label::recalculate(), and editor::editor_display::set_status().

◆ xpos()

int font::floating_label::xpos ( std::size_t  width) const
private

Definition at line 87 of file floating_label.cpp.

References align_, font::CENTER_ALIGN, font::RIGHT_ALIGN, and xpos_.

Referenced by get_pos(), and set_position().

Member Data Documentation

◆ align_

font::ALIGN font::floating_label::align_
private

Definition at line 132 of file floating_label.hpp.

Referenced by set_alignment(), and xpos().

◆ alpha_

uint8_t font::floating_label::alpha_
private

Definition at line 121 of file floating_label.hpp.

Referenced by draw(), and update().

◆ bgcolor_

color_t font::floating_label::bgcolor_
private

Definition at line 126 of file floating_label.hpp.

Referenced by create_texture(), draw(), and set_bg_color().

◆ border_

int font::floating_label::border_
private

Definition at line 133 of file floating_label.hpp.

Referenced by get_bg_rect(), set_border_size(), and update().

◆ clip_rect_

rect font::floating_label::clip_rect_
private

Definition at line 130 of file floating_label.hpp.

Referenced by create_texture(), draw(), and set_clip_rect().

◆ color_

color_t font::floating_label::color_
private

Definition at line 126 of file floating_label.hpp.

Referenced by create_texture(), and set_color().

◆ fadeout_

std::chrono::milliseconds font::floating_label::fadeout_
private

Definition at line 122 of file floating_label.hpp.

Referenced by expired(), get_alpha(), get_fade_time(), and set_lifetime().

◆ font_size_

int font::floating_label::font_size_
private

Definition at line 125 of file floating_label.hpp.

Referenced by create_texture(), and set_font_size().

◆ height_

int font::floating_label::height_
private

Definition at line 129 of file floating_label.hpp.

Referenced by create_texture(), and set_height().

◆ lifetime_

std::chrono::milliseconds font::floating_label::lifetime_
private

Definition at line 128 of file floating_label.hpp.

Referenced by expired(), get_alpha(), and set_lifetime().

◆ screen_loc_

rect font::floating_label::screen_loc_
private

Definition at line 120 of file floating_label.hpp.

Referenced by draw(), undraw(), and update().

◆ scroll_

LABEL_SCROLL_MODE font::floating_label::scroll_
private

Definition at line 134 of file floating_label.hpp.

Referenced by scroll(), and set_scroll_mode().

◆ tex_

texture font::floating_label::tex_
private

Definition at line 119 of file floating_label.hpp.

Referenced by clear_texture(), create_texture(), draw(), get_draw_size(), get_pos(), and update().

◆ text_

std::string font::floating_label::text_
private

Definition at line 124 of file floating_label.hpp.

Referenced by create_texture(), and update().

◆ time_start_

clock::time_point font::floating_label::time_start_
private

Definition at line 123 of file floating_label.hpp.

Referenced by set_lifetime().

◆ use_markup_

bool font::floating_label::use_markup_
private

Definition at line 135 of file floating_label.hpp.

Referenced by create_texture(), and use_markup().

◆ visible_

bool font::floating_label::visible_
private

Definition at line 131 of file floating_label.hpp.

Referenced by draw(), and show().

◆ width_

int font::floating_label::width_
private

Definition at line 129 of file floating_label.hpp.

Referenced by create_texture(), and set_width().

◆ xmove_

double font::floating_label::xmove_
private

Definition at line 127 of file floating_label.hpp.

Referenced by get_pos(), and set_move().

◆ xpos_

double font::floating_label::xpos_
private

Definition at line 127 of file floating_label.hpp.

Referenced by move(), set_position(), and xpos().

◆ ymove_

double font::floating_label::ymove_
private

Definition at line 127 of file floating_label.hpp.

Referenced by get_pos(), and set_move().

◆ ypos_

double font::floating_label::ypos_
private

Definition at line 127 of file floating_label.hpp.

Referenced by get_pos(), move(), and set_position().

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