127 lines
2.7 KiB
C
127 lines
2.7 KiB
C
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/* PDCurses */
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#include "pdcos2.h"
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#include "../common/acs437.h"
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ULONG pdc_last_blink;
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static bool blinked_off = FALSE;
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/* position hardware cursor at (y, x) */
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void PDC_gotoyx(int row, int col)
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{
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PDC_LOG(("PDC_gotoyx() - called: row %d col %d\n", row, col));
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VioSetCurPos(row, col, 0);
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}
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void _new_packet(attr_t attr, int lineno, int x, int len, const chtype *srcp)
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{
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/* this should be enough for the maximum width of a screen. */
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char temp_line[256];
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int j;
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short fore, back;
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unsigned char mapped_attr;
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bool blink;
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pair_content(PAIR_NUMBER(attr), &fore, &back);
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blink = (SP->termattrs & A_BLINK) && (attr & A_BLINK);
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if (blink)
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attr &= ~A_BLINK;
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if (attr & A_BOLD)
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fore |= 8;
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if (attr & A_BLINK)
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back |= 8;
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fore = pdc_curstoreal[fore];
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back = pdc_curstoreal[back];
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if (attr & A_REVERSE)
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mapped_attr = back | (fore << 4);
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else
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mapped_attr = fore | (back << 4);
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/* replace the attribute part of the chtype with the
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actual color value for each chtype in the line */
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for (j = 0; j < len; j++)
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{
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chtype ch = srcp[j];
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if (ch & A_ALTCHARSET && !(ch & 0xff80))
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ch = acs_map[ch & 0x7f];
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if (blink && blinked_off)
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ch = ' ';
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temp_line[j] = ch & 0xff;
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}
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VioWrtCharStrAtt((PCH)temp_line, (USHORT)len, (USHORT)lineno,
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(USHORT)x, (PBYTE)&mapped_attr, 0);
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}
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/* update the given physical line to look like the corresponding line in
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curscr */
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void PDC_transform_line(int lineno, int x, int len, const chtype *srcp)
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{
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attr_t old_attr, attr;
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int i, j;
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PDC_LOG(("PDC_transform_line() - called: lineno=%d\n", lineno));
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old_attr = *srcp & (A_ATTRIBUTES ^ A_ALTCHARSET);
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for (i = 1, j = 1; j < len; i++, j++)
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{
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attr = srcp[i] & (A_ATTRIBUTES ^ A_ALTCHARSET);
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if (attr != old_attr)
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{
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_new_packet(old_attr, lineno, x, i, srcp);
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old_attr = attr;
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srcp += i;
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x += i;
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i = 0;
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}
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}
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_new_packet(old_attr, lineno, x, i, srcp);
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}
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void PDC_blink_text(void)
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{
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int i, j, k;
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if (!(SP->termattrs & A_BLINK))
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blinked_off = FALSE;
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else
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blinked_off = !blinked_off;
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for (i = 0; i < SP->lines; i++)
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{
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const chtype *srcp = curscr->_y[i];
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for (j = 0; j < SP->cols; j++)
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if (srcp[j] & A_BLINK)
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{
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k = j;
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while (k < SP->cols && (srcp[k] & A_BLINK))
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k++;
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PDC_transform_line(i, j, k - j, srcp + j);
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j = k;
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}
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}
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PDC_gotoyx(SP->cursrow, SP->curscol);
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pdc_last_blink = PDC_ms_count();
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}
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void PDC_doupdate(void)
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{
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}
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