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#include "SimpleVT.class.h"
#include <VTManager/VT.ns.h>
#include <DeviceManager/Disp.ns.h>
#define BUFCHR(l, c) m_buff[((l) * m_cols) + (c)]
SimpleVT::SimpleVT(u32int rows, u32int cols, u8int fgcolor, u8int bgcolor) : VirtualTerminal() {
m_buff = new vtchr[rows * cols];
m_rows = rows;
m_cols = cols;
m_mapped = false;
m_hideCursor = false;
m_color = ((bgcolor & 0x0F) << 4) | (fgcolor & 0x0F);
clear();
m_csrcol = 0;
m_csrlin = 0;
}
SimpleVT::~SimpleVT() {
if (m_mapped) VT::unmap(this);
delete [] m_buff;
}
void SimpleVT::putChar(u32int row, u32int col, WChar c) {
if (row >= m_rows or col >= m_cols) return;
vtchr* ch = &BUFCHR(row, col);
ch->c = c;
ch->color = m_color;
if (m_mapped)
Disp::putChar(row + m_maprow, col + m_mapcol, BUFCHR(row, col).c, m_color);
}
void SimpleVT::clear() {
for (u32int i = 0; i < m_rows * m_cols; i++) {
m_buff[i].c = ' ';
m_buff[i].color = m_color;
}
if (m_mapped) redraw();
}
void SimpleVT::map(s32int row, s32int col) {
m_maprow = (row == -1 ? (Disp::textRows() / 2) - (m_rows / 2) : row);
m_mapcol = (col == -1 ? (Disp::textCols() / 2) - (m_cols / 2) : col);
m_mapped = true;
redraw();
VT::map(this);
}
void SimpleVT::unmap() {
m_mapped = false;
VT::unmap(this);
}
void SimpleVT::redraw() {
if (!m_mapped) return;
for (u32int r = 0; r < m_rows; r++) {
for (u32int c = 0; c < m_cols; c++) {
Disp::putChar(r + m_maprow, c + m_mapcol, BUFCHR(r, c).c, BUFCHR(r, c).color);
}
}
}
void SimpleVT::scroll() {
for (u32int l = 0; l < m_rows - 1; l++) {
for (u32int c = 0; c < m_cols; c++) {
BUFCHR(l, c) = BUFCHR(l + 1, c);
}
}
for (u32int c = 0; c < m_cols; c++) {
BUFCHR(m_rows - 1, c).c = ' ';
BUFCHR(m_rows - 1, c).color = m_color;
}
if (m_mapped) {
if (!Disp::textScroll(m_maprow, m_mapcol, m_rows, m_cols, m_color)) {
redraw();
}
}
}
void SimpleVT::updateCursor() {
if (!m_mapped) return;
if (m_hideCursor) return;
Disp::moveCursor(m_csrlin + m_maprow, m_csrcol + m_mapcol);
}
//Command handling
void SimpleVT::handleEscape(mvt_esc_cmd_t cmd) {
switch (cmd.cmd) {
case MVTCMD_CLEAR:
clear();
break;
case MVTCMD_SCROLL:
scroll();
break;
case MVTCMD_SETFGCOLOR:
m_color = (m_color & 0xF0) | (cmd.a & 0x0F);
break;
case MVTCMD_SETBGCOLOR:
m_color = (m_color & 0x0F) | ((cmd.a & 0x0F) << 4);
break;
case MVTCMD_SETCOLOR:
m_color = ((cmd.b & 0x0F) << 4) | (cmd.a & 0x0F);
break;
case MVTCMD_MOVECSR:
m_csrlin = cmd.a; m_csrcol = cmd.b;
updateCursor();
break;
case MVTCMD_SETCSRLIN:
m_csrlin = cmd.a;
updateCursor();
break;
case MVTCMD_SETCSRCOL:
m_csrcol = cmd.a;
updateCursor();
break;
case MVTCMD_HIDECSR:
m_hideCursor = true;
break;
case MVTCMD_SHOWCSR:
m_hideCursor = false;
break;
}
}
// Display functionn
void SimpleVT::put(WChar c, bool updatecsr) {
if (c.value == '\b') {
if (m_csrcol > 0) m_csrcol--;
putChar(m_csrlin, m_csrcol, ' ');
} else if (c.value == '\t') {
m_csrcol = (m_csrcol + 8) &~(8 - 1);
} else if (c.value == '\r') {
m_csrcol = 0;
} else if (c.value == '\n') {
m_csrcol = 0;
m_csrlin++;
} else if (c.value >= ' ') { //Printable character
putChar(m_csrlin, m_csrcol, c);
m_csrcol++;
}
if (m_csrcol >= m_cols) {
m_csrcol = 0;
m_csrlin++;
}
while (m_csrlin >= m_rows) {
scroll();
m_csrlin--;
}
if (updatecsr && m_mapped) updateCursor();
}
void SimpleVT::hexDump(u8int *ptr, u32int sz, bool addnl) {
if (m_cols < 76) return; //Not enough space
VirtualTerminal::hexDump(ptr, sz, (m_cols > 76));
}
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