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#include "AppHdr.h"
#ifdef USE_TILE_WEB
#include "tileweb-text.h"
#include "stringutil.h"
#include "tiles-build-specific.h"
#include "unicode.h"
WebTextArea::WebTextArea(string name) :
mx(0),
my(0),
m_cbuf(nullptr),
m_abuf(nullptr),
m_old_cbuf(nullptr),
m_old_abuf(nullptr),
m_client_side_name(name),
m_dirty(true)
{
}
WebTextArea::~WebTextArea()
{
if (m_cbuf != nullptr)
{
delete[] m_cbuf;
delete[] m_abuf;
delete[] m_old_cbuf;
delete[] m_old_abuf;
}
}
void WebTextArea::resize(int x, int y)
{
if (mx == x && my == y)
return;
mx = x;
my = y;
if (m_cbuf != nullptr)
{
delete[] m_cbuf;
delete[] m_abuf;
delete[] m_old_cbuf;
delete[] m_old_abuf;
}
int size = mx * my;
m_cbuf = new char32_t[size];
m_abuf = new uint8_t[size];
m_old_cbuf = new char32_t[size];
m_old_abuf = new uint8_t[size];
for (int i = 0; i < mx * my; i++)
{
m_cbuf[i] = ' ';
m_abuf[i] = 0;
m_old_cbuf[i] = ' ';
m_old_abuf[i] = 0;
}
m_dirty = true;
on_resize();
}
void WebTextArea::clear()
{
for (int i = 0; i < mx * my; i++)
{
m_cbuf[i] = ' ';
m_abuf[i] = 0;
}
m_dirty = true;
}
void WebTextArea::put_character(char32_t chr, int fg, int bg, int x, int y)
{
ASSERT_RANGE(x, 0, mx);
ASSERT_RANGE(y, 0, my);
uint8_t col = (fg & 0xf) + (bg << 4);
if (m_cbuf[x + y * mx] != chr || m_abuf[x + y * mx] != col)
m_dirty = true;
m_cbuf[x + y * mx] = chr;
m_abuf[x + y * mx] = col;
}
void WebTextArea::send(bool force)
{
if (m_cbuf == nullptr) return;
if (!force && !m_dirty) return;
m_dirty = false;
int last_col = -1;
int space_count = 0;
bool dirty = false;
string html;
bool sending = false;
for (int y = 0; y < my; ++y)
{
last_col = -1;
space_count = 0;
dirty = false;
html.clear();
for (int x = 0; x < mx; ++x)
{
char32_t chr = m_cbuf[x + y * mx];
uint8_t col = m_abuf[x + y * mx];
if (chr != m_old_cbuf[x + y * mx] ||
col != m_old_abuf[x + y * mx])
{
dirty = true;
m_old_cbuf[x + y * mx] = chr;
m_old_abuf[x + y * mx] = col;
}
if (chr != ' ' || ((col >> 4) & 0xF) != 0)
{
while (space_count)
{
html.push_back(' ');
space_count--;
}
}
if (col != last_col && chr != ' ')
{
if (last_col != -1)
html += "</span>";
html += make_stringf("<span class=\\\"fg%d bg%d\\\">",
col & 0xf, (col >> 4) & 0xf);
last_col = col;
}
if (chr == ' ' && ((col >> 4) & 0xF) == 0)
space_count++;
else
{
switch (chr)
{
case '<':
html += "<";
break;
case '>':
html += ">";
break;
case '&':
html += "&";
break;
case '\\':
html += "\\\\";
break;
case '"':
html += """;
break;
default:
char buf[5];
buf[wctoutf8(buf, chr)] = 0;
html += buf;
break;
}
}
}
if (dirty || (force && !html.empty()))
{
if (!sending)
{
tiles.write_message("{\"msg\":\"txt\",\"id\":\"%s\"",
m_client_side_name.c_str());
if (force)
tiles.write_message(",\"clear\":true");
tiles.write_message(",\"lines\":{");
sending = true;
}
tiles.json_write_comma();
tiles.write_message("\"%u\":\"%s\"", y, html.c_str());
}
}
if (sending)
{
tiles.write_message("}}");
tiles.finish_message();
}
}
void WebTextArea::on_resize()
{
}
#endif
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