mame/src/emu/ui/selector.cpp
dankan1890 25bc1007af Added support and configuration for the image collection "covers".
Slightly modernized and simplified the code.
2016-03-18 22:00:47 +01:00

258 lines
7.4 KiB
C++

// license:BSD-3-Clause
// copyright-holders:Maurizio Petrarota
/*********************************************************************
ui/selector.cpp
Internal UI user interface.
*********************************************************************/
#include "emu.h"
#include "ui/ui.h"
#include "ui/menu.h"
#include "ui/selector.h"
#include "ui/inifile.h"
//-------------------------------------------------
// ctor / dtor
//-------------------------------------------------
ui_menu_selector::ui_menu_selector(running_machine &machine, render_container *container, std::vector<std::string> const &s_sel, UINT16 &s_actual, int category, int _hover)
: ui_menu(machine, container)
, m_selector(s_actual)
, m_category(category)
, m_hover(_hover)
, m_first_pass(true)
, m_str_items(s_sel)
{
m_search[0] = '\0';
m_searchlist[0] = nullptr;
}
ui_menu_selector::ui_menu_selector(running_machine &machine, render_container *container, std::vector<std::string> &&s_sel, UINT16 &s_actual, int category, int _hover)
: ui_menu(machine, container)
, m_selector(s_actual)
, m_category(category)
, m_hover(_hover)
, m_first_pass(true)
, m_str_items(std::move(s_sel))
{
m_search[0] = '\0';
m_searchlist[0] = nullptr;
}
ui_menu_selector::~ui_menu_selector()
{
}
//-------------------------------------------------
// handle
//-------------------------------------------------
void ui_menu_selector::handle()
{
// process the menu
const ui_menu_event *m_event = process(0);
if (m_event != nullptr && m_event->itemref != nullptr)
{
if (m_event->iptkey == IPT_UI_SELECT)
{
for (size_t idx = 0; idx < m_str_items.size(); ++idx)
if ((void*)&m_str_items[idx] == m_event->itemref)
m_selector = idx;
switch (m_category)
{
case SELECTOR_INIFILE:
machine().inifile().set_file(m_selector);
machine().inifile().set_cat(0);
ui_menu::menu_stack->parent->reset(UI_MENU_RESET_REMEMBER_REF);
break;
case SELECTOR_CATEGORY:
machine().inifile().set_cat(m_selector);
ui_menu::menu_stack->parent->reset(UI_MENU_RESET_REMEMBER_REF);
break;
case SELECTOR_GAME:
main_filters::actual = m_hover;
ui_menu::menu_stack->parent->reset(UI_MENU_RESET_SELECT_FIRST);
break;
case SELECTOR_SOFTWARE:
sw_filters::actual = m_hover;
ui_menu::menu_stack->parent->reset(UI_MENU_RESET_SELECT_FIRST);
break;
default:
ui_menu::menu_stack->parent->reset(UI_MENU_RESET_REMEMBER_REF);
break;
}
ui_globals::switch_image = true;
ui_menu::stack_pop(machine());
}
else if (m_event->iptkey == IPT_SPECIAL)
{
int buflen = strlen(m_search);
// if it's a backspace and we can handle it, do so
if ((m_event->unichar == 8 || m_event->unichar == 0x7f) && buflen > 0)
{
*(char *)utf8_previous_char(&m_search[buflen]) = 0;
reset(UI_MENU_RESET_SELECT_FIRST);
}
// if it's any other key and we're not maxed out, update
else if (m_event->unichar >= ' ' && m_event->unichar < 0x7f)
{
buflen += utf8_from_uchar(&m_search[buflen], ARRAY_LENGTH(m_search) - buflen, m_event->unichar);
m_search[buflen] = 0;
reset(UI_MENU_RESET_SELECT_FIRST);
}
}
// escape pressed with non-empty text clears the text
else if (m_event->iptkey == IPT_UI_CANCEL && m_search[0] != 0)
{
m_search[0] = '\0';
reset(UI_MENU_RESET_SELECT_FIRST);
}
}
}
//-------------------------------------------------
// populate
//-------------------------------------------------
void ui_menu_selector::populate()
{
if (m_search[0] != 0)
{
find_matches(m_search);
for (int curitem = 0; m_searchlist[curitem]; ++curitem)
item_append(m_searchlist[curitem]->c_str(), nullptr, 0, (void *)m_searchlist[curitem]);
}
else
{
for (size_t index = 0, added = 0; index < m_str_items.size(); ++index)
if (m_str_items[index] != "_skip_")
{
if (m_first_pass && m_selector == index)
selected = added;
added++;
item_append(m_str_items[index].c_str(), nullptr, 0, (void *)&m_str_items[index]);
}
}
item_append(MENU_SEPARATOR_ITEM, nullptr, 0, nullptr);
customtop = custombottom = machine().ui().get_line_height() + 3.0f * UI_BOX_TB_BORDER;
m_first_pass = false;
}
//-------------------------------------------------
// perform our special rendering
//-------------------------------------------------
void ui_menu_selector::custom_render(void *selectedref, float top, float bottom, float origx1, float origy1, float origx2, float origy2)
{
float width;
ui_manager &mui = machine().ui();
std::string tempbuf = std::string(_("Selection List - Search: ")).append(m_search).append("_");
// get the size of the text
mui.draw_text_full(container, tempbuf.c_str(), 0.0f, 0.0f, 1.0f, JUSTIFY_CENTER, WRAP_TRUNCATE,
DRAW_NONE, ARGB_WHITE, ARGB_BLACK, &width, nullptr);
width += (2.0f * UI_BOX_LR_BORDER) + 0.01f;
float maxwidth = MAX(width, origx2 - origx1);
// compute our bounds
float x1 = 0.5f - 0.5f * maxwidth;
float x2 = x1 + maxwidth;
float y1 = origy1 - top;
float y2 = origy1 - UI_BOX_TB_BORDER;
// draw a box
mui.draw_outlined_box(container, x1, y1, x2, y2, UI_GREEN_COLOR);
// take off the borders
x1 += UI_BOX_LR_BORDER;
x2 -= UI_BOX_LR_BORDER;
y1 += UI_BOX_TB_BORDER;
// draw the text within it
mui.draw_text_full(container, tempbuf.c_str(), x1, y1, x2 - x1, JUSTIFY_CENTER, WRAP_TRUNCATE,
DRAW_NORMAL, UI_TEXT_COLOR, UI_TEXT_BG_COLOR, nullptr, nullptr);
// bottom text
// get the text for 'UI Select'
std::string ui_select_text = machine().input().seq_name(machine().ioport().type_seq(IPT_UI_SELECT, 0, SEQ_TYPE_STANDARD));
tempbuf = string_format(_("Double click or press %1$s to select"), ui_select_text);
mui.draw_text_full(container, tempbuf.c_str(), 0.0f, 0.0f, 1.0f, JUSTIFY_CENTER, WRAP_NEVER,
DRAW_NONE, ARGB_WHITE, ARGB_BLACK, &width, nullptr);
width += 2 * UI_BOX_LR_BORDER;
maxwidth = MAX(maxwidth, width);
// compute our bounds
x1 = 0.5f - 0.5f * maxwidth;
x2 = x1 + maxwidth;
y1 = origy2 + UI_BOX_TB_BORDER;
y2 = origy2 + bottom;
// draw a box
mui.draw_outlined_box(container, x1, y1, x2, y2, UI_RED_COLOR);
// take off the borders
x1 += UI_BOX_LR_BORDER;
x2 -= UI_BOX_LR_BORDER;
y1 += UI_BOX_TB_BORDER;
// draw the text within it
mui.draw_text_full(container, tempbuf.c_str(), x1, y1, x2 - x1, JUSTIFY_CENTER, WRAP_NEVER,
DRAW_NORMAL, UI_TEXT_COLOR, UI_TEXT_BG_COLOR, nullptr, nullptr);
}
//-------------------------------------------------
// find approximate matches
//-------------------------------------------------
void ui_menu_selector::find_matches(const char *str)
{
// allocate memory to track the penalty value
std::vector<int> penalty(VISIBLE_GAMES_IN_SEARCH, 9999);
int index = 0;
for (; index < m_str_items.size(); ++index)
{
if (m_str_items[index] == "_skip_")
continue;
// pick the best match between driver name and description
int curpenalty = fuzzy_substring(str, m_str_items[index]);
// insert into the sorted table of matches
for (int matchnum = VISIBLE_GAMES_IN_SEARCH - 1; matchnum >= 0; --matchnum)
{
// stop if we're worse than the current entry
if (curpenalty >= penalty[matchnum])
break;
// as long as this isn't the last entry, bump this one down
if (matchnum < VISIBLE_GAMES_IN_SEARCH - 1)
{
penalty[matchnum + 1] = penalty[matchnum];
m_searchlist[matchnum + 1] = m_searchlist[matchnum];
}
m_searchlist[matchnum] = &m_str_items[index];
penalty[matchnum] = curpenalty;
}
}
(index < VISIBLE_GAMES_IN_SEARCH) ? m_searchlist[index] = nullptr : m_searchlist[VISIBLE_GAMES_IN_SEARCH] = nullptr;
}