111 lines
2.9 KiB
C
111 lines
2.9 KiB
C
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/* Public Domain Curses */
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#include "pdcos2.h"
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RCSID("$Id: pdcsetsc.c,v 1.44 2008/07/14 04:24:51 wmcbrine Exp $")
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/*man-start**************************************************************
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Name: pdcsetsc
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Synopsis:
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int PDC_set_blink(bool blinkon);
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void PDC_set_title(const char *title);
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Description:
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PDC_set_blink() toggles whether the A_BLINK attribute sets an
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actual blink mode (TRUE), or sets the background color to high
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intensity (FALSE). The default is platform-dependent (FALSE in
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most cases). It returns OK if it could set the state to match
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the given parameter, ERR otherwise. Current platforms also
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adjust the value of COLORS according to this function -- 16 for
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FALSE, and 8 for TRUE.
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PDC_set_title() sets the title of the window in which the curses
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program is running. This function may not do anything on some
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platforms. (Currently it only works in Win32 and X11.)
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Portability X/Open BSD SYS V
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PDC_set_blink - - -
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PDC_set_title - - -
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**man-end****************************************************************/
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int PDC_curs_set(int visibility)
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{
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#ifndef EMXVIDEO
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VIOCURSORINFO pvioCursorInfo;
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#endif
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int ret_vis, hidden = 0, start = 0, end = 0;
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PDC_LOG(("PDC_curs_set() - called: visibility=%d\n", visibility));
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ret_vis = SP->visibility;
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SP->visibility = visibility;
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switch(visibility)
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{
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case 0: /* invisible */
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#ifdef EMXVIDEO
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start = end = 0;
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#else
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start = pdc_font / 4;
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end = pdc_font;
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hidden = -1;
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#endif
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break;
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case 2: /* highly visible */
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start = 2; /* almost full-height block */
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end = pdc_font - 1;
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break;
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default: /* normal visibility */
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start = (SP->orig_cursor >> 8) & 0xff;
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end = SP->orig_cursor & 0xff;
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}
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#ifdef EMXVIDEO
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if (!visibility)
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v_hidecursor();
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else
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v_ctype(start, end);
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#else
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pvioCursorInfo.yStart = (USHORT)start;
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pvioCursorInfo.cEnd = (USHORT)end;
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pvioCursorInfo.cx = (USHORT)1;
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pvioCursorInfo.attr = hidden;
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VioSetCurType((PVIOCURSORINFO)&pvioCursorInfo, 0);
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#endif
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return ret_vis;
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}
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void PDC_set_title(const char *title)
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{
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PDC_LOG(("PDC_set_title() - called:<%s>\n", title));
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}
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int PDC_set_blink(bool blinkon)
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{
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#ifndef EMXVIDEO
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USHORT statebuf[3], result;
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statebuf[0] = 6; /* length */
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statebuf[1] = 2; /* blink/intensity */
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statebuf[2] = !blinkon;
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result = VioSetState(&statebuf, 0);
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VioGetState(&statebuf, 0); /* needed? */
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if (pdc_color_started)
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COLORS = statebuf[2] ? 16 : 8;
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return (result == 0) ? OK : ERR;
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#else
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if (pdc_color_started)
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COLORS = 16;
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return blinkon ? ERR : OK;
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#endif
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}
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