92 lines
1.8 KiB
C
92 lines
1.8 KiB
C
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/* Public Domain Curses */
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#include "pdcos2.h"
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RCSID("$Id: pdcgetsc.c,v 1.39 2008/07/14 04:24:51 wmcbrine Exp $")
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/* return width of screen/viewport */
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int PDC_get_columns(void)
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{
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#ifdef EMXVIDEO
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int rows = 0;
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#else
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VIOMODEINFO modeInfo = {0};
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#endif
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int cols = 0;
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const char *env_cols;
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PDC_LOG(("PDC_get_columns() - called\n"));
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#ifdef EMXVIDEO
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v_dimen(&cols, &rows);
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#else
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modeInfo.cb = sizeof(modeInfo);
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VioGetMode(&modeInfo, 0);
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cols = modeInfo.col;
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#endif
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env_cols = getenv("COLS");
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if (env_cols)
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cols = min(atoi(env_cols), cols);
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PDC_LOG(("PDC_get_columns() - returned: cols %d\n", cols));
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return cols;
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}
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/* get the cursor size/shape */
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int PDC_get_cursor_mode(void)
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{
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#ifdef EMXVIDEO
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int curstart = 0, curend = 0;
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#else
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VIOCURSORINFO cursorInfo;
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#endif
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PDC_LOG(("PDC_get_cursor_mode() - called\n"));
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#ifdef EMXVIDEO
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v_getctype(&curstart, &curend);
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return (curstart << 8) | curend;
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#else
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VioGetCurType (&cursorInfo, 0);
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return (cursorInfo.yStart << 8) | cursorInfo.cEnd;
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#endif
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}
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/* return number of screen rows */
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int PDC_get_rows(void)
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{
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#ifdef EMXVIDEO
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int cols = 0;
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#else
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VIOMODEINFO modeInfo = {0};
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#endif
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int rows = 0;
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const char *env_rows;
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PDC_LOG(("PDC_get_rows() - called\n"));
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/* use the value from LINES environment variable, if set. MH 10-Jun-92 */
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/* and use the minimum of LINES and *ROWS. MH 18-Jun-92 */
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#ifdef EMXVIDEO
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v_dimen(&cols, &rows);
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#else
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modeInfo.cb = sizeof(modeInfo);
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VioGetMode(&modeInfo, 0);
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rows = modeInfo.row;
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#endif
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env_rows = getenv("LINES");
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if (env_rows)
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rows = min(atoi(env_rows), rows);
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PDC_LOG(("PDC_get_rows() - returned: rows %d\n", rows));
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return rows;
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}
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