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ui.cpp
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#include "ui.h"
#include <cctype>
#include <algorithm>
#include <climits>
#include <cstdlib>
#include <iterator>
#include <memory>
#include <set>
#include "avatar.h"
#include "cached_options.h" // IWYU pragma: keep
#include "cata_assert.h"
#include "cata_utility.h"
#include "catacharset.h"
#include "game.h"
#include "input.h"
#include "memory_fast.h"
#include "output.h"
#include "sdltiles.h"
#include "string_input_popup.h"
#include "translations.h"
#include "ui_manager.h"
#if defined(__ANDROID__)
#include <jni.h>
#include <SDL_keyboard.h>
#include "options.h"
#endif
catacurses::window new_centered_win( int nlines, int ncols )
{
int height = std::min( nlines, TERMY );
int width = std::min( ncols, TERMX );
point pos( ( TERMX - width ) / 2, ( TERMY - height ) / 2 );
return catacurses::newwin( height, width, pos );
}
/**
* \defgroup UI "The UI Menu."
* @{
*/
static cata::optional<input_event> hotkey_from_char( const int ch )
{
if( ch == MENU_AUTOASSIGN ) {
return cata::nullopt;
} else if( ch <= 0 || ch == ' ' ) {
return input_event();
}
switch( input_manager::actual_keyboard_mode( keyboard_mode::keycode ) ) {
case keyboard_mode::keycode:
if( ch >= 'A' && ch <= 'Z' ) {
return input_event( std::set<keymod_t>( { keymod_t::shift } ),
ch - 'A' + 'a', input_event_t::keyboard_code );
} else {
return input_event( ch, input_event_t::keyboard_code );
}
case keyboard_mode::keychar:
return input_event( ch, input_event_t::keyboard_char );
}
return input_event();
}
uilist_entry::uilist_entry( const std::string &txt )
: retval( -1 ), enabled( true ), hotkey( cata::nullopt ), txt( txt ),
text_color( c_red_red )
{
}
uilist_entry::uilist_entry( const std::string &txt, const std::string &desc )
: retval( -1 ), enabled( true ), hotkey( cata::nullopt ), txt( txt ),
desc( desc ), text_color( c_red_red )
{
}
uilist_entry::uilist_entry( const std::string &txt, const int key )
: retval( -1 ), enabled( true ), hotkey( hotkey_from_char( key ) ), txt( txt ),
text_color( c_red_red )
{
}
uilist_entry::uilist_entry( const std::string &txt, const cata::optional<input_event> &key )
: retval( -1 ), enabled( true ), hotkey( key ), txt( txt ),
text_color( c_red_red )
{
}
uilist_entry::uilist_entry( const int retval, const bool enabled, const int key,
const std::string &txt )
: retval( retval ), enabled( enabled ), hotkey( hotkey_from_char( key ) ), txt( txt ),
text_color( c_red_red )
{
}
uilist_entry::uilist_entry( const int retval, const bool enabled,
const cata::optional<input_event> &key,
const std::string &txt )
: retval( retval ), enabled( enabled ), hotkey( key ), txt( txt ),
text_color( c_red_red )
{
}
uilist_entry::uilist_entry( const int retval, const bool enabled, const int key,
const std::string &txt, const std::string &desc )
: retval( retval ), enabled( enabled ), hotkey( hotkey_from_char( key ) ), txt( txt ),
desc( desc ), text_color( c_red_red )
{
}
uilist_entry::uilist_entry( const int retval, const bool enabled,
const cata::optional<input_event> &key, const std::string &txt, const std::string &desc )
: retval( retval ), enabled( enabled ), hotkey( key ), txt( txt ),
desc( desc ), text_color( c_red_red )
{
}
uilist_entry::uilist_entry( const int retval, const bool enabled, const int key,
const std::string &txt, const std::string &desc,
const std::string &column )
: retval( retval ), enabled( enabled ), hotkey( hotkey_from_char( key ) ), txt( txt ),
desc( desc ), ctxt( column ), text_color( c_red_red )
{
}
uilist_entry::uilist_entry( const int retval, const bool enabled,
const cata::optional<input_event> &key,
const std::string &txt, const std::string &desc,
const std::string &column )
: retval( retval ), enabled( enabled ), hotkey( key ), txt( txt ),
desc( desc ), ctxt( column ), text_color( c_red_red )
{
}
uilist_entry::uilist_entry( const int retval, const bool enabled, const int key,
const std::string &txt,
const nc_color &keycolor, const nc_color &txtcolor )
: retval( retval ), enabled( enabled ), hotkey( hotkey_from_char( key ) ), txt( txt ),
hotkey_color( keycolor ), text_color( txtcolor )
{
}
uilist::size_scalar &uilist::size_scalar::operator=( auto_assign )
{
fun = nullptr;
return *this;
}
uilist::size_scalar &uilist::size_scalar::operator=( const int val )
{
fun = [val]() -> int {
return val;
};
return *this;
}
uilist::size_scalar &uilist::size_scalar::operator=( const std::function<int()> &fun )
{
this->fun = fun;
return *this;
}
uilist::pos_scalar &uilist::pos_scalar::operator=( auto_assign )
{
fun = nullptr;
return *this;
}
uilist::pos_scalar &uilist::pos_scalar::operator=( const int val )
{
fun = [val]( int ) -> int {
return val;
};
return *this;
}
uilist::pos_scalar &uilist::pos_scalar::operator=( const std::function<int( int )> &fun )
{
this->fun = fun;
return *this;
}
uilist::uilist()
{
init();
}
uilist::uilist( const std::string &msg, const std::vector<uilist_entry> &opts )
{
init();
text = msg;
entries = opts;
query();
}
uilist::uilist( const std::string &msg, const std::vector<std::string> &opts )
{
init();
text = msg;
for( const std::string &opt : opts ) {
entries.emplace_back( opt );
}
query();
}
uilist::uilist( const std::string &msg, std::initializer_list<const char *const> opts )
{
init();
text = msg;
for( const char *const opt : opts ) {
entries.emplace_back( opt );
}
query();
}
uilist::~uilist()
{
shared_ptr_fast<ui_adaptor> current_ui = ui.lock();
if( current_ui ) {
current_ui->reset();
}
}
void uilist::color_error( const bool report )
{
if( report ) {
_color_error = report_color_error::yes;
} else {
_color_error = report_color_error::no;
}
}
/*
* Enables oneshot construction -> running -> exit
*/
uilist::operator int() const
{
return ret;
}
/**
* Sane defaults on initialization
*/
void uilist::init()
{
cata_assert( !test_mode ); // uilist should not be used in tests where there's no place for it
w_x_setup = pos_scalar::auto_assign {};
w_y_setup = pos_scalar::auto_assign {};
w_width_setup = size_scalar::auto_assign {};
w_height_setup = size_scalar::auto_assign {};
w_x = 0;
w_y = 0;
w_width = 0;
w_height = 0;
ret = UILIST_WAIT_INPUT;
text.clear(); // header text, after (maybe) folding, populates:
textformatted.clear(); // folded to textwidth
textwidth = MENU_AUTOASSIGN; // if unset, folds according to w_width
title.clear(); // Makes use of the top border, no folding, sets min width if w_width is auto
ret_evt = input_event(); // last input event
window = catacurses::window(); // our window
keymap.clear(); // keymap[input_event] == index, for entries[index]
selected = 0; // current highlight, for entries[index]
entries.clear(); // uilist_entry(int returnval, bool enabled, int keycode, std::string text, ... TODO: submenu stuff)
started = false; // set to true when width and key calculations are done, and window is generated.
pad_left_setup = 0;
pad_right_setup = 0;
pad_left = 0; // make a blank space to the left
pad_right = 0; // or right
desc_enabled = false; // don't show option description by default
desc_lines_hint = 6; // default number of lines for description
desc_lines = 6;
footer_text.clear(); // takes precedence over per-entry descriptions.
border_color = c_magenta; // border color
text_color = c_light_gray; // text color
title_color = c_green; // title color
hilight_color = h_white; // highlight for up/down selection bar
hotkey_color = c_light_green; // hotkey text to the right of menu entry's text
disabled_color = c_dark_gray; // disabled menu entry
allow_disabled = false; // disallow selecting disabled options
allow_anykey = false; // do not return on unbound keys
allow_cancel = true; // allow canceling with "UILIST.QUIT" action
allow_confirm = true; // allow confirming with confirm action
allow_additional = false; // do not return on unhandled additional actions
hilight_disabled =
false; // if false, hitting 'down' onto a disabled entry will advance downward to the first enabled entry
vshift = 0; // scrolling menu offset
vmax = 0; // max entries area rows
callback = nullptr; // * uilist_callback
filter.clear(); // filter string. If "", show everything
fentries.clear(); // fentries is the actual display after filtering, and maps displayed entry number to actual entry number
fselected = 0; // selected = fentries[fselected]
filtering = true; // enable list display filtering via '/' or '.'
filtering_nocase = true; // ignore case when filtering
max_entry_len = 0;
max_column_len = 0; // for calculating space for second column
input_category = "UILIST";
additional_actions.clear();
}
input_context uilist::create_main_input_context() const
{
input_context ctxt( input_category, keyboard_mode::keycode );
ctxt.register_action( "UILIST.UP" );
ctxt.register_action( "UILIST.DOWN" );
ctxt.register_action( "PAGE_UP", to_translation( "Fast scroll up" ) );
ctxt.register_action( "PAGE_DOWN", to_translation( "Fast scroll down" ) );
ctxt.register_action( "HOME", to_translation( "Go to first entry" ) );
ctxt.register_action( "END", to_translation( "Go to last entry" ) );
ctxt.register_action( "SCROLL_UP" );
ctxt.register_action( "SCROLL_DOWN" );
if( allow_cancel ) {
ctxt.register_action( "UILIST.QUIT" );
}
ctxt.register_action( "MOUSE_MOVE" );
if( allow_confirm ) {
ctxt.register_action( "CONFIRM" );
ctxt.register_action( "SELECT" );
}
ctxt.register_action( "UILIST.FILTER" );
ctxt.register_action( "ANY_INPUT" );
ctxt.register_action( "HELP_KEYBINDINGS" );
for( const auto &additional_action : additional_actions ) {
ctxt.register_action( additional_action.first, additional_action.second );
}
return ctxt;
}
input_context uilist::create_filter_input_context() const
{
input_context ctxt( input_category, keyboard_mode::keychar );
// string input popup actions
ctxt.register_action( "TEXT.LEFT" );
ctxt.register_action( "TEXT.RIGHT" );
ctxt.register_action( "TEXT.QUIT" );
ctxt.register_action( "TEXT.CONFIRM" );
ctxt.register_action( "TEXT.CLEAR" );
ctxt.register_action( "TEXT.BACKSPACE" );
ctxt.register_action( "TEXT.HOME" );
ctxt.register_action( "TEXT.END" );
ctxt.register_action( "TEXT.DELETE" );
#if defined( TILES )
ctxt.register_action( "TEXT.PASTE" );
#endif
ctxt.register_action( "TEXT.INPUT_FROM_FILE" );
ctxt.register_action( "HELP_KEYBINDINGS" );
ctxt.register_action( "ANY_INPUT" );
// uilist actions
ctxt.register_action( "UILIST.UP" );
ctxt.register_action( "UILIST.DOWN" );
ctxt.register_action( "PAGE_UP", to_translation( "Fast scroll up" ) );
ctxt.register_action( "PAGE_DOWN", to_translation( "Fast scroll down" ) );
ctxt.register_action( "HOME", to_translation( "Go to first entry" ) );
ctxt.register_action( "END", to_translation( "Go to last entry" ) );
ctxt.register_action( "SCROLL_UP" );
ctxt.register_action( "SCROLL_DOWN" );
if( allow_confirm ) {
ctxt.register_action( "SELECT" );
}
ctxt.register_action( "MOUSE_MOVE" );
return ctxt;
}
/**
* repopulate filtered entries list (fentries) and set fselected accordingly
*/
void uilist::filterlist()
{
// TODO: && is_all_lc( filter )
fentries.clear();
fselected = -1;
int f = 0;
for( size_t i = 0; i < entries.size(); i++ ) {
bool visible = true;
if( filtering && !filter.empty() ) {
if( filtering_nocase ) {
// case-insensitive match
visible = lcmatch( entries[i].txt, filter );
} else {
// case-sensitive match
visible = entries[i].txt.find( filter ) != std::string::npos;
}
}
if( visible ) {
fentries.push_back( static_cast<int>( i ) );
if( hilight_disabled || entries[i].enabled ) {
if( static_cast<int>( i ) == selected || ( static_cast<int>( i ) > selected && fselected == -1 ) ) {
// Either this is selected, or we are past the previously selected entry,
// which has been filtered out, so choose another nearby entry instead.
fselected = f;
}
}
f++;
}
}
if( fselected == -1 ) {
fselected = 0;
vshift = 0;
if( fentries.empty() ) {
selected = -1;
} else {
selected = fentries [ 0 ];
}
} else if( fselected < static_cast<int>( fentries.size() ) ) {
selected = fentries[fselected];
} else {
fselected = selected = -1;
}
// scroll to top of screen if all remaining entries fit the screen.
if( static_cast<int>( fentries.size() ) <= vmax ) {
vshift = 0;
}
if( callback != nullptr ) {
callback->select( this );
}
}
void uilist::inputfilter()
{
input_context ctxt = create_filter_input_context();
filter_popup = std::make_unique<string_input_popup>();
filter_popup->context( ctxt ).text( filter )
.max_length( 256 )
.window( window, point( 4, w_height - 1 ), w_width - 4 );
bool loop = true;
do {
ui_manager::redraw();
filter = filter_popup->query_string( false );
recalc_start = false;
if( !filter_popup->confirmed() ) {
const std::string action = ctxt.input_to_action( ctxt.get_raw_input() );
if( filter_popup->handled() ) {
filterlist();
recalc_start = true;
} else if( scrollby( scroll_amount_from_action( action ) ) ) {
recalc_start = true;
} else if( handle_mouse( ctxt, action, true ) == handle_mouse_result_t::confirmed ) {
loop = false;
}
}
} while( loop && !filter_popup->confirmed() && !filter_popup->canceled() );
filter_popup.reset();
}
/**
* Find the minimum width between max( min_width, 1 ) and
* max( max_width, min_width, 1 ) to fold the string to no more than max_lines,
* or no more than the minimum number of lines possible, assuming that
* foldstring( width ).size() decreases monotonously with width.
**/
static int find_minimum_fold_width( const std::string &str, int max_lines,
int min_width, int max_width )
{
if( str.empty() ) {
return std::max( min_width, 1 );
}
min_width = std::max( min_width, 1 );
// max_width could be further limited by the string width, but utf8_width is
// not handling linebreaks properly.
if( min_width < max_width ) {
// If with max_width the string still folds to more than max_lines, find the
// minimum width that folds the string to such number of lines instead.
max_lines = std::max<int>( max_lines, foldstring( str, max_width ).size() );
while( min_width < max_width ) {
int width = ( min_width + max_width ) / 2;
// width may equal min_width, but will always be less than max_width.
int lines = foldstring( str, width ).size();
// If the current width folds the string to no more than max_lines
if( lines <= max_lines ) {
// The minimum width is between min_width and width.
max_width = width;
} else {
// The minimum width is between width + 1 and max_width.
min_width = width + 1;
}
// The new interval will always be smaller than the previous one,
// so the loop is guaranteed to end.
}
}
return min_width;
}
void uilist::calc_data()
{
bool w_auto = !w_width_setup.fun;
// Space for a line between text and entries. Only needed if there is actually text.
const int text_separator_line = text.empty() ? 0 : 1;
if( w_auto ) {
w_width = 4;
if( !title.empty() ) {
w_width = utf8_width( title ) + 5;
}
} else {
w_width = w_width_setup.fun();
}
const int max_desc_width = w_auto ? TERMX - 4 : w_width - 4;
bool h_auto = !w_height_setup.fun;
if( h_auto ) {
w_height = 4;
} else {
w_height = w_height_setup.fun();
}
max_entry_len = 0;
max_column_len = 0;
desc_lines = desc_lines_hint;
std::vector<int> autoassign;
pad_left = pad_left_setup.fun ? pad_left_setup.fun() : 0;
pad_right = pad_right_setup.fun ? pad_right_setup.fun() : 0;
int pad = pad_left + pad_right + 2;
int descwidth_final = 0; // for description width guard
for( size_t i = 0; i < entries.size(); i++ ) {
int txtwidth = utf8_width( remove_color_tags( entries[i].txt ) );
int ctxtwidth = utf8_width( remove_color_tags( entries[i].ctxt ) );
if( txtwidth > max_entry_len ) {
max_entry_len = txtwidth;
}
if( ctxtwidth > max_column_len ) {
max_column_len = ctxtwidth;
}
int clen = ( ctxtwidth > 0 ) ? ctxtwidth + 2 : 0;
if( entries[ i ].enabled ) {
if( !entries[i].hotkey.has_value() ) {
autoassign.emplace_back( static_cast<int>( i ) );
} else if( entries[i].hotkey.value() != input_event() ) {
keymap[entries[i].hotkey.value()] = i;
}
if( entries[ i ].retval == -1 ) {
entries[ i ].retval = i;
}
if( w_auto && w_width < txtwidth + pad + 4 + clen ) {
w_width = txtwidth + pad + 4 + clen;
}
} else {
if( w_auto && w_width < txtwidth + pad + 4 + clen ) {
// TODO: or +5 if header
w_width = txtwidth + pad + 4 + clen;
}
}
if( desc_enabled ) {
const int min_desc_width = std::min( max_desc_width, std::max( w_width, descwidth_final ) - 4 );
int descwidth = find_minimum_fold_width( footer_text.empty() ? entries[i].desc : footer_text,
desc_lines, min_desc_width, max_desc_width );
descwidth += 4; // 2x border + 2x ' ' pad
if( descwidth_final < descwidth ) {
descwidth_final = descwidth;
}
}
if( entries[ i ].text_color == c_red_red ) {
entries[ i ].text_color = text_color;
}
}
input_context ctxt = create_main_input_context();
const hotkey_queue &hotkeys = hotkey_queue::alpha_digits();
input_event hotkey = ctxt.first_unassigned_hotkey( hotkeys );
for( auto it = autoassign.begin(); it != autoassign.end() &&
hotkey != input_event(); ++it ) {
bool assigned = false;
do {
if( keymap.count( hotkey ) == 0 ) {
entries[*it].hotkey = hotkey;
keymap[hotkey] = *it;
assigned = true;
}
hotkey = ctxt.next_unassigned_hotkey( hotkeys, hotkey );
} while( !assigned && hotkey != input_event() );
}
if( desc_enabled ) {
if( descwidth_final > TERMX ) {
desc_enabled = false; // give up
} else if( descwidth_final > w_width ) {
w_width = descwidth_final;
}
}
if( !text.empty() ) {
int twidth = utf8_width( remove_color_tags( text ) );
bool formattxt = true;
int realtextwidth = 0;
if( textwidth == -1 ) {
if( !w_auto ) {
realtextwidth = w_width - 4;
} else {
realtextwidth = twidth;
if( twidth + 4 > w_width ) {
if( realtextwidth + 4 > TERMX ) {
realtextwidth = TERMX - 4;
}
textformatted = foldstring( text, realtextwidth );
formattxt = false;
realtextwidth = 10;
for( auto &l : textformatted ) {
const int w = utf8_width( remove_color_tags( l ) );
if( w > realtextwidth ) {
realtextwidth = w;
}
}
if( realtextwidth + 4 > w_width ) {
w_width = realtextwidth + 4;
}
}
}
} else if( textwidth != -1 ) {
realtextwidth = textwidth;
if( realtextwidth + 4 > w_width ) {
w_width = realtextwidth + 4;
}
}
if( formattxt ) {
textformatted = foldstring( text, realtextwidth );
}
}
// shrink-to-fit
if( desc_enabled ) {
desc_lines = 0;
for( const uilist_entry &ent : entries ) {
// -2 for borders, -2 for padding
desc_lines = std::max<int>( desc_lines, foldstring( footer_text.empty() ? ent.desc : footer_text,
w_width - 4 ).size() );
}
if( desc_lines <= 0 ) {
desc_enabled = false;
}
}
if( w_auto && w_width > TERMX ) {
w_width = TERMX;
}
vmax = entries.size();
int additional_lines = 2 + text_separator_line + // add two for top & bottom borders
static_cast<int>( textformatted.size() );
if( desc_enabled ) {
additional_lines += desc_lines + 1; // add one for description separator line
}
if( h_auto ) {
w_height = vmax + additional_lines;
}
if( w_height > TERMY ) {
w_height = TERMY;
}
if( vmax + additional_lines > w_height ) {
vmax = w_height - additional_lines;
}
if( !w_x_setup.fun ) {
w_x = static_cast<int>( ( TERMX - w_width ) / 2 );
} else {
w_x = w_x_setup.fun( w_width );
}
if( !w_y_setup.fun ) {
w_y = static_cast<int>( ( TERMY - w_height ) / 2 );
} else {
w_y = w_y_setup.fun( w_height );
}
}
void uilist::setup()
{
calc_data();
window = catacurses::newwin( w_height, w_width, point( w_x, w_y ) );
if( !window ) {
cata_fatal( "Failed to create uilist window" );
}
if( !started ) {
filterlist();
}
started = true;
recalc_start = true;
}
void uilist::reposition( ui_adaptor &ui )
{
setup();
if( filter_popup ) {
filter_popup->window( window, point( 4, w_height - 1 ), w_width - 4 );
}
ui.position_from_window( window );
}
void uilist::apply_scrollbar()
{
int sbside = pad_left <= 0 ? 0 : w_width - 1;
int estart = textformatted.size();
if( estart > 0 ) {
estart += 2;
} else {
estart = 1;
}
scrollbar()
.offset_x( sbside )
.offset_y( estart )
.content_size( fentries.size() )
.viewport_pos( vshift )
.viewport_size( vmax )
.border_color( border_color )
.arrow_color( border_color )
.slot_color( c_light_gray )
.bar_color( c_cyan_cyan )
.scroll_to_last( false )
.apply( window );
}
/**
* Generate and refresh output
*/
void uilist::show()
{
if( !started ) {
setup();
}
werase( window );
draw_border( window, border_color );
if( !title.empty() ) {
// NOLINTNEXTLINE(cata-use-named-point-constants)
mvwprintz( window, point( 1, 0 ), border_color, "< " );
wprintz( window, title_color, title );
wprintz( window, border_color, " >" );
}
const int text_lines = textformatted.size();
int estart = 1;
if( !textformatted.empty() ) {
for( int i = 0; i < text_lines; i++ ) {
trim_and_print( window, point( 2, 1 + i ), getmaxx( window ) - 4,
text_color, _color_error, "%s", textformatted[i] );
}
mvwputch( window, point( 0, text_lines + 1 ), border_color, LINE_XXXO );
for( int i = 1; i < w_width - 1; ++i ) {
mvwputch( window, point( i, text_lines + 1 ), border_color, LINE_OXOX );
}
mvwputch( window, point( w_width - 1, text_lines + 1 ), border_color, LINE_XOXX );
estart += text_lines + 1; // +1 for the horizontal line.
}
if( recalc_start ) {
calcStartPos( vshift, fselected, vmax, fentries.size() );
}
const int pad_size = std::max( 0, w_width - 2 - pad_left - pad_right );
const std::string padspaces = std::string( pad_size, ' ' );
for( uilist_entry &entry : entries ) {
entry.drawn_rect = cata::nullopt;
}
for( int fei = vshift, si = 0; si < vmax; fei++, si++ ) {
if( fei < static_cast<int>( fentries.size() ) ) {
int ei = fentries [ fei ];
nc_color co = ( ei == selected ?
hilight_color :
( entries[ ei ].enabled || entries[ei].force_color ?
entries[ ei ].text_color :
disabled_color )
);
mvwprintz( window, point( pad_left + 1, estart + si ), co, padspaces );
if( entries[ei].hotkey.has_value() && entries[ei].hotkey.value() != input_event() ) {
const nc_color hotkey_co = ei == selected ? hilight_color : hotkey_color;
mvwprintz( window, point( pad_left + 1, estart + si ), entries[ ei ].enabled ? hotkey_co : co,
"%s", right_justify( entries[ei].hotkey.value().short_description(), 2 ) );
}
if( pad_size > 3 ) {
// pad_size indicates the maximal width of the entry, it is used above to
// activate the highlighting, it is used to override previous text there, but in both
// cases printing starts at pad_left+1, here it starts at pad_left+4, so 3 cells less
// to be used.
const std::string &entry = ei == selected ? remove_color_tags( entries[ ei ].txt ) :
entries[ ei ].txt;
point p( pad_left + 4, estart + si );
entries[ei].drawn_rect =
inclusive_rectangle<point>( p + point( -3, 0 ), p + point( -4 + pad_size, 0 ) );
trim_and_print( window, p, max_entry_len, co, _color_error, "%s", entry );
if( max_column_len && !entries[ ei ].ctxt.empty() ) {
const std::string ¢ry = ei == selected ? remove_color_tags( entries[ ei ].ctxt ) :
entries[ ei ].ctxt;
trim_and_print( window, point( getmaxx( window ) - max_column_len - 2, estart + si ),
max_column_len, co, _color_error, "%s", centry );
}
}
mvwzstr menu_entry_extra_text = entries[ei].extratxt;
if( !menu_entry_extra_text.txt.empty() ) {
mvwprintz( window, point( pad_left + 1 + menu_entry_extra_text.left, estart + si ),
menu_entry_extra_text.color, menu_entry_extra_text.txt );
}
if( menu_entry_extra_text.sym != 0 ) {
mvwputch( window, point( pad_left + 1 + menu_entry_extra_text.left, estart + si ),
menu_entry_extra_text.color, menu_entry_extra_text.sym );
}
} else {
mvwprintz( window, point( pad_left + 1, estart + si ), c_light_gray, padspaces );
}
}
if( desc_enabled ) {
// draw border
mvwputch( window, point( 0, w_height - desc_lines - 2 ), border_color, LINE_XXXO );
for( int i = 1; i < w_width - 1; ++i ) {
mvwputch( window, point( i, w_height - desc_lines - 2 ), border_color, LINE_OXOX );
}
mvwputch( window, point( w_width - 1, w_height - desc_lines - 2 ), border_color, LINE_XOXX );
// clear previous desc the ugly way
for( int y = desc_lines + 1; y > 1; --y ) {
for( int x = 2; x < w_width - 2; ++x ) {
mvwputch( window, point( x, w_height - y ), text_color, " " );
}
}
if( static_cast<size_t>( selected ) < entries.size() ) {
fold_and_print( window, point( 2, w_height - desc_lines - 1 ), w_width - 4, text_color,
footer_text.empty() ? entries[selected].desc : footer_text );
}
}
cata::optional<point> cursor_pos;
if( filter_popup ) {
mvwprintz( window, point( 2, w_height - 1 ), border_color, "< " );
mvwprintz( window, point( w_width - 3, w_height - 1 ), border_color, " >" );
filter_popup->query( /*loop=*/false, /*draw_only=*/true );
cursor_pos = point( getcurx( window ), getcury( window ) );
} else {
if( !filter.empty() ) {
mvwprintz( window, point( 2, w_height - 1 ), border_color, "< %s >", filter );
mvwprintz( window, point( 4, w_height - 1 ), text_color, filter );
}
}
apply_scrollbar();
wnoutrefresh( window );
if( callback != nullptr ) {
callback->refresh( this );
}
if( cursor_pos ) {
wmove( window, cursor_pos.value() );
wnoutrefresh( window );
}
}
int uilist::scroll_amount_from_action( const std::string &action )
{
const int scroll_rate = vmax > 20 ? 10 : 3;
if( action == "UILIST.UP" ) {
return -1;
} else if( action == "PAGE_UP" ) {
return -scroll_rate;
} else if( action == "SCROLL_UP" ) {
return -3;
} else if( action == "HOME" ) {
return -fselected;
} else if( action == "END" ) {
return fentries.size() - fselected - 1;
} else if( action == "UILIST.DOWN" ) {
return 1;
} else if( action == "PAGE_DOWN" ) {
return scroll_rate;
} else if( action == "SCROLL_DOWN" ) {
return +3;
} else {
return 0;
}
}
/**
* check for valid scrolling keypress and handle. return false if invalid keypress
*/
bool uilist::scrollby( const int scrollby )
{
if( scrollby == 0 ) {
return false;
}
bool looparound = scrollby == -1 || scrollby == 1;
bool backwards = scrollby < 0;
int recmax = static_cast<int>( fentries.size() );
fselected += scrollby;
if( !looparound ) {
if( backwards && fselected < 0 ) {
fselected = 0;
} else if( fselected >= recmax ) {
fselected = fentries.size() - 1;
}
}
if( backwards ) {
if( fselected < 0 ) {
fselected = fentries.size() - 1;
}
for( size_t i = 0; i < fentries.size(); ++i ) {
if( hilight_disabled || entries[ fentries [ fselected ] ].enabled ) {
break;
}
--fselected;
if( fselected < 0 ) {
fselected = fentries.size() - 1;
}
}
} else {
if( fselected >= recmax ) {
fselected = 0;
}
for( size_t i = 0; i < fentries.size(); ++i ) {
if( hilight_disabled || entries[ fentries [ fselected ] ].enabled ) {
break;
}
++fselected;
if( fselected >= recmax ) {
fselected = 0;
}
}
}
if( static_cast<size_t>( fselected ) < fentries.size() ) {
selected = fentries [ fselected ];
if( callback != nullptr ) {
callback->select( this );
}
}
return true;
}
shared_ptr_fast<ui_adaptor> uilist::create_or_get_ui_adaptor()
{
shared_ptr_fast<ui_adaptor> current_ui = ui.lock();
if( !current_ui ) {
ui = current_ui = make_shared_fast<ui_adaptor>();
current_ui->on_redraw( [this]( const ui_adaptor & ) {
show();
} );
current_ui->on_screen_resize( [this]( ui_adaptor & ui ) {
reposition( ui );
} );
current_ui->mark_resize();
}
return current_ui;
}
uilist::handle_mouse_result_t uilist::handle_mouse( const input_context &ctxt,
const std::string &ret_act,
const bool loop )
{
handle_mouse_result_t result = handle_mouse_result_t::unhandled;
// Only check MOUSE_MOVE when looping internally
if( !fentries.empty() && ( ret_act == "SELECT" || ( loop && ret_act == "MOUSE_MOVE" ) ) ) {
result = handle_mouse_result_t::handled;
const cata::optional<point> p = ctxt.get_coordinates_text( window );
if( p && window_contains_point_relative( window, p.value() ) ) {
const int new_fselected = find_entry_by_coordinate( p.value() );
if( new_fselected >= 0 && static_cast<size_t>( new_fselected ) < fentries.size() ) {
const bool enabled = entries[fentries[new_fselected]].enabled;
if( enabled || allow_disabled || hilight_disabled ) {
// Change the selection to display correctly after this
// function is called again.
fselected = new_fselected;
selected = fentries[fselected];
if( ret_act == "SELECT" ) {
if( enabled || allow_disabled ) {
ret = entries[selected].retval;
// Treating clicking during filtering as confirmation and stop filtering
result = handle_mouse_result_t::confirmed;
}
if( callback != nullptr ) {
callback->select( this );
}
}
}
}
}
}
return result;
}
/**
* Handle input and update display
*
*/
void uilist::query( bool loop, int timeout )
{
#if defined(__ANDROID__)
bool auto_pos = w_x_setup.fun == nullptr && w_y_setup.fun == nullptr &&