void TextConsoleViewer::view()
{
#ifdef _WIN32
int topline, leftpos;
leftpos = topline = 0;
INPUT_RECORD ir;
HANDLE hCon = GetStdHandle(STD_OUTPUT_HANDLE);
HANDLE hConI = CreateFile("CONIN$", GENERIC_READ, FILE_SHARE_READ, 0, OPEN_EXISTING, 0, 0);
if (hConI == INVALID_HANDLE_VALUE) return;
SetConsoleMode(hConI, ENABLE_MOUSE_INPUT|ENABLE_WINDOW_INPUT);
CONSOLE_SCREEN_BUFFER_INFO csbi;
hCon = CreateConsoleScreenBuffer(GENERIC_WRITE|GENERIC_READ, 0, 0, CONSOLE_TEXTMODE_BUFFER, 0);
SetConsoleActiveScreenBuffer(hCon);
GetConsoleScreenBufferInfo(hCon, &csbi);
CONSOLE_CURSOR_INFO cci;
cci.dwSize = 100;
cci.bVisible = FALSE;
SetConsoleCursorInfo(hCon, &cci);
CHAR_INFO *buffer = new CHAR_INFO[csbi.dwSize.X * csbi.dwSize.Y];
bool unc_fault = false;
do {
int lline = csbi.dwSize.Y;
if (topline+lline > textLinesStore->getLineCount()) lline = textLinesStore->getLineCount()-topline;
baseEditor->visibleTextEvent(topline, lline);
for(int i = topline; i < topline + csbi.dwSize.Y; i++) {
int Y = i-topline;
int li;
for(li = 0; li < csbi.dwSize.X; li++) {
buffer[Y*csbi.dwSize.X + li].Char.UnicodeChar = ' ';
buffer[Y*csbi.dwSize.X + li].Attributes = background;
};
if (i >= textLinesStore->getLineCount()) continue;
DString iLine = textLinesStore->getLine(i);
for(li = 0; li < csbi.dwSize.X; li++) {
if (leftpos+li >= iLine.length()) break;
buffer[Y*csbi.dwSize.X + li].Char.UnicodeChar = iLine[leftpos+li];
if (unc_fault)
buffer[Y*csbi.dwSize.X + li].Char.AsciiChar = Encodings::toChar(encoding, iLine[leftpos+li]);
};
for(LineRegion *l1 = baseEditor->getLineRegions(i); l1 != null; l1 = l1->next) {
if (l1->special || l1->rdef == null) continue;
int end = l1->end;
if (end == -1) end = iLine.length();
int X = l1->start - leftpos;
int len = end - l1->start;
if (X < 0) {
len += X;
X = 0;
};
if (len < 0 || X >= csbi.dwSize.X) continue;
if (len+X > csbi.dwSize.X) len = csbi.dwSize.X-X;
WORD color = (WORD)(l1->styled()->fore + (l1->styled()->back<<4));
if (!l1->styled()->bfore) color = (color&0xF0) + (background&0xF);
if (!l1->styled()->bback) color = (color&0xF) + (background&0xF0);
for(int li = 0; li < len; li++)
buffer[Y*csbi.dwSize.X + X + li].Attributes = color;
};
};
COORD coor;
coor.X = coor.Y = 0;
SMALL_RECT sr;
sr.Left = 0;
sr.Right = csbi.dwSize.X-1;
sr.Top = 0;
sr.Bottom = csbi.dwSize.Y-1;
if (!unc_fault && !WriteConsoleOutputW(hCon, buffer, csbi.dwSize, coor, &sr)) {
unc_fault = true;
continue;
};
if (unc_fault) WriteConsoleOutputA(hCon, buffer, csbi.dwSize, coor, &sr);
// managing the keyboard
do {
DWORD tmp;
ReadConsoleInput(hConI, &ir, 1, &tmp);
if (ir.EventType == WINDOW_BUFFER_SIZE_EVENT) {
GetConsoleScreenBufferInfo(hCon, &csbi);
delete[] buffer;
buffer = new CHAR_INFO[csbi.dwSize.X * csbi.dwSize.Y];
break;
};
if (ir.EventType == MOUSE_EVENT && ir.Event.MouseEvent.dwEventFlags == 0x4) {
switch(ir.Event.MouseEvent.dwButtonState) {
case 0x780000:
topline-=csbi.dwSize.Y;
if (topline < 0) topline = 0;
break;
case 0xFF880000:
topline += csbi.dwSize.Y;
if (topline > textLinesStore->getLineCount() - csbi.dwSize.Y) topline = textLinesStore->getLineCount() - csbi.dwSize.Y;
if (topline < 0) topline = 0;
break;
};
break;
};
if (ir.EventType == KEY_EVENT && ir.Event.KeyEvent.bKeyDown) {
// moving view position
switch(ir.Event.KeyEvent.wVirtualKeyCode) {
case VK_UP:
if (topline) topline--;
break;
case VK_DOWN:
if (topline+csbi.dwSize.Y < textLinesStore->getLineCount()) topline++;
break;
case VK_LEFT:
leftpos--;
if (ir.Event.KeyEvent.dwControlKeyState & (RIGHT_CTRL_PRESSED|LEFT_CTRL_PRESSED))
leftpos -= 15;
if (leftpos < 0) leftpos = 0;
break;
case VK_RIGHT:
leftpos++;
if (ir.Event.KeyEvent.dwControlKeyState & (RIGHT_CTRL_PRESSED|LEFT_CTRL_PRESSED))
leftpos += 15;
break;
case VK_PRIOR:
topline-=csbi.dwSize.Y;
if (topline < 0) topline = 0;
break;
case VK_NEXT:
case VK_SPACE:
topline += csbi.dwSize.Y;
if (topline > textLinesStore->getLineCount() - csbi.dwSize.Y) topline = textLinesStore->getLineCount() - csbi.dwSize.Y;
if (topline < 0) topline = 0;
break;
case VK_HOME:
leftpos = topline = 0;
break;
case VK_END:
topline = textLinesStore->getLineCount()-csbi.dwSize.Y;
if (topline < 0) topline = 0;
leftpos = 0;
break;
};
break;
};
} while(true);
} while(ir.Event.KeyEvent.wVirtualKeyCode != VK_ESCAPE);
delete[] buffer;
SetConsoleActiveScreenBuffer(GetStdHandle(STD_OUTPUT_HANDLE));
CloseHandle(hCon);
#else
printf("unix edition doesn't support interactive text viewing\n\n");
for(int i = 0; i < textLinesStore->getLineCount(); i++) {
DString line = textLinesStore->getLine(i);
printf("%s\n", line.getChars());
};
#endif
};
static void win32_display(caca_display_t *dp)
{
COORD size, pos;
SMALL_RECT rect;
CHAR_INFO *buffer = dp->drv.p->buffer;
uint32_t const *cvchars = caca_get_canvas_chars(dp->cv);
uint32_t const *cvattrs = caca_get_canvas_attrs(dp->cv);
int width = caca_get_canvas_width(dp->cv);
int height = caca_get_canvas_height(dp->cv);
int n;
/* Render everything to our screen buffer */
for(n = height * width; n--; )
{
uint32_t ch = *cvchars++;
uint16_t bgfg = caca_attr_to_ansi(*cvattrs);
uint8_t fg = bgfg & 0xf;
uint8_t bg = bgfg >> 4;
#if 0
if(ch > 0x00000020 && ch < 0x00000080)
dp->drv.p->buffer[i].Char.AsciiChar = (uint8_t)ch;
else
dp->drv.p->buffer[i].Char.AsciiChar = ' ';
#else
if(n && *cvchars == CACA_MAGIC_FULLWIDTH)
;
else if(ch > 0x00000020 && ch < 0x00010000)
buffer->Char.UnicodeChar = (uint16_t)ch;
else
buffer->Char.UnicodeChar = (uint16_t)' ';
#endif
buffer->Attributes = win32_fg_palette[fg < 0x10 ? fg : CACA_LIGHTGRAY]
| win32_bg_palette[bg < 0x10 ? bg : CACA_BLACK];
cvattrs++;
buffer++;
}
/* Blit the screen buffer */
size.X = width;
size.Y = height;
pos.X = pos.Y = 0;
rect.Left = rect.Top = 0;
rect.Right = width - 1;
rect.Bottom = height - 1;
#if 0
WriteConsoleOutput(dp->drv.p->screen, dp->drv.p->buffer, size, pos, &rect);
#else
/* FIXME: would this benefit from dirty rectangles? */
WriteConsoleOutputW(dp->drv.p->screen, dp->drv.p->buffer, size, pos, &rect);
#endif
}
static void putwchxyattr(int x, int y, wchar_t ch, int attr)
{
CHAR_INFO buffer;
SMALL_RECT r;
COORD c = { 0,0 }, s = { 1,1 };
if (!in_window(x, y)) return;
r.Left = x - 1;
r.Top = y - 1;
r.Right = x - 1;
r.Bottom = y - 1;
buffer.Char.UnicodeChar = ch;
buffer.Attributes = attr;
WriteConsoleOutputW(GetStdHandle(STD_OUTPUT_HANDLE), &buffer, s, c, &r);
}
/* acx1_write ***************************************************************/
ACX1_API unsigned int ACX1_CALL acx1_write (void const * data, size_t len)
{
uint16_t buf[0x200];
size_t cpc;
int c;
CHAR_INFO ci[0x200];
size_t i, j, l;
SMALL_RECT wr;
COORD bs, bc;
//uint8_t * b;
c = acx1_mutf8_str_decode(data, len, buf, ACX1_ITEM_COUNT(buf), NULL, &cpc);
if (c) return ACX1_BAD_DATA;
//b = data; cpc = len;
l = ACX1_ITEM_COUNT(ci);
for (c = 0, i = j = 0; c >= 0 && i < cpc && j < l; ++i, j += c)
{
c = acx1_term_char_width(buf[i]);
if (!c) continue;
ci[j].Char.UnicodeChar = buf[i];
ci[j].Attributes = attr;
if (c == 2)
{
ci[j + 1].Char.UnicodeChar = ' ';
ci[j + 1].Attributes = attr;
}
}
if (c < 0) return ACX1_BAD_DATA;
if (!j) return 0; // nothing to print
bs.X = j;
bs.Y = 1;
bc.X = 0;
bc.Y = 0;
wr.Left = write_col;
wr.Top = write_row;
wr.Right = screen_width - 1;
wr.Bottom = write_row;
if (!WriteConsoleOutputW(hout, ci, bs, bc, &wr))
return ACX1_TERM_IO_FAILED;
write_col = wr.Right + 1;
return 0;
}
int movetext(int __left, int __top, int __right, int __bottom,
int __destleft, int __desttop)
{
CHAR_INFO * buffer;
SMALL_RECT r;
COORD c = { 0,0 }, s;
HANDLE con;
init_ti();
s.X = __right - __left + 1;
s.Y = __bottom - __top + 1;
if (s.X <= 0 || s.Y <= 0) return 0;
buffer = (CHAR_INFO*)malloc(s.X * s.Y * sizeof(CHAR_INFO));
con = GetStdHandle(STD_OUTPUT_HANDLE);
r.Left = __left - 1;
r.Top = __top - 1;
r.Right = __right - 1;
r.Bottom = __bottom - 1;
if (ReadConsoleOutputW(con, buffer, s, c, &r))
WriteConsoleOutputW(con, buffer, s, c, &r);
free(buffer);
return 0;
}
int putwtext(int __left, int __top, int __right, int __bottom, const wchar_info *__source)
{
int i;
SMALL_RECT r;
CHAR_INFO* buffer;
COORD s, c = { 0,0 };
if (__right<__left || __bottom<__top) return 0;
init_ti();
r.Left = __left - 1;
r.Top = __top - 1;
r.Right = __right - 1;
r.Bottom = __bottom - 1;
s.X = __right - __left + 1;
s.Y = __bottom - __top + 1;
buffer = (CHAR_INFO*)malloc(s.X * s.Y * sizeof(CHAR_INFO));
for (i = 0; i < s.X * s.Y; i++)
{
buffer[i].Char.UnicodeChar = __source[i].letter;
buffer[i].Attributes = __source[i].attr;
}
WriteConsoleOutputW(GetStdHandle(STD_OUTPUT_HANDLE), buffer, s, c, &r);
free(buffer);
return 0;
}
/**********************************************************************
* Purpose: Draws all characters in character buffer to the console window.
*
* Precondition:
* None
*
* Postcondition:
* _chbuf drawn.
*
************************************************************************/
void ScreenBuffer::Draw()
{
WriteConsoleOutputW(_hStdout, _chbuf, _chbuf_size, _chbuf_coord, &_write_area);
}
/* acx1_rect ****************************************************************/
ACX1_API unsigned int ACX1_CALL acx1_rect
(
uint8_t const * const * data, // array of rows of utf8 text with special escapes
uint16_t start_row,
uint16_t start_col,
uint16_t row_num,
uint16_t col_num,
acx1_attr_t * attrs
)
{
CHAR_INFO buf[0x2000];
CHAR_INFO * ci;
SMALL_RECT wr;
COORD bs, bc;
uint_t i, j, o, crt_attr, buf_rows;
int l, cw;
uint16_t a;
uint32_t cp;
start_row--;
start_col--;
if (start_row >= screen_height || start_col >= screen_width) return 0;
if (row_num > screen_height - start_row) row_num = screen_height - start_row;
if (col_num > screen_width - start_col) col_num = screen_width - start_col;
buf_rows = ACX1_ITEM_COUNT(buf) / col_num;
bs.X = col_num;
bc.X = 0;
bc.Y = 0;
for (; row_num; row_num -= buf_rows, start_row += buf_rows, data += buf_rows)
{
if (row_num < buf_rows) buf_rows = row_num;
for (ci = &buf[0], i = 0; i < buf_rows; ++i)
{
crt_attr = 0;
a = prepare_attr(attrs[crt_attr].bg, attrs[crt_attr].fg,
attrs[crt_attr].mode);
for (j = o = 0; data[i][o] && j < col_num; o += l, j += cw, ci += cw)
{
if (data[i][o] >= 0x80)
{
l = acx1_utf8_char_decode_strict(data[i] + o, SSIZE_MAX, &cp);
if (l < 0) return ACX1_BAD_DATA;
cw = acx1_term_char_width(cp);
if (cw < 0) return ACX1_BAD_DATA;
if (!cw) continue;
if (cw == 2)
{
if (j == (uint_t) col_num - 1) break; // finish line if a wide char is in last column
ci[1].Attributes = a;
ci[1].Char.UnicodeChar = 0;
}
}
else
{
cp = data[i][o];
if (cp == '\a')
{
crt_attr = data[i][o + 1];
a = prepare_attr(attrs[crt_attr].bg, attrs[crt_attr].fg,
attrs[crt_attr].mode);
cw = 0;
l = 2;
continue;
}
if (cp < 0x20) return ACX1_BAD_DATA;
l = 1;
cw = 1;
}
ci->Char.UnicodeChar = (uint16_t) (cp >= 0x10000 ? 0 : cp);
ci->Attributes = a;
}
if (j < col_num)
{
// crt_attr = 0;
// a = prepare_attr(attrs[crt_attr].bg, attrs[crt_attr].fg,
// attrs[crt_attr].mode);
for (; j < col_num; ++j, ++ci)
{
ci->Char.UnicodeChar = ' ';
ci->Attributes = a;
}
}
}
bs.Y = buf_rows;
wr.Left = start_col;
wr.Top = start_row;
wr.Right = start_col + col_num - 1;
wr.Bottom = start_row + buf_rows - 1;
if (!WriteConsoleOutputW(hout, buf, bs, bc, &wr))
return ACX1_TERM_IO_FAILED;
}
return 0;
}
