1 /* Public Domain Curses */
2
3 #include "pdcos2.h"
4
5 /* return width of screen/viewport */
6
PDC_get_columns(void)7 int PDC_get_columns(void)
8 {
9 #ifdef EMXVIDEO
10 int rows = 0;
11 #else
12 VIOMODEINFO modeInfo = {0};
13 #endif
14 int cols = 0;
15 const char *env_cols;
16
17 PDC_LOG(("PDC_get_columns() - called\n"));
18
19 #ifdef EMXVIDEO
20 v_dimen(&cols, &rows);
21 #else
22 modeInfo.cb = sizeof(modeInfo);
23 VioGetMode(&modeInfo, 0);
24 cols = modeInfo.col;
25 #endif
26 env_cols = getenv("COLS");
27
28 if (env_cols)
29 cols = min(atoi(env_cols), cols);
30
31 PDC_LOG(("PDC_get_columns() - returned: cols %d\n", cols));
32
33 return cols;
34 }
35
36 /* get the cursor size/shape */
37
PDC_get_cursor_mode(void)38 int PDC_get_cursor_mode(void)
39 {
40 #ifdef EMXVIDEO
41 int curstart = 0, curend = 0;
42 #else
43 VIOCURSORINFO cursorInfo;
44 #endif
45 PDC_LOG(("PDC_get_cursor_mode() - called\n"));
46
47 #ifdef EMXVIDEO
48 v_getctype(&curstart, &curend);
49 return (curstart << 8) | curend;
50 #else
51 VioGetCurType (&cursorInfo, 0);
52
53 return (cursorInfo.yStart << 8) | cursorInfo.cEnd;
54 #endif
55 }
56
57 /* return number of screen rows */
58
PDC_get_rows(void)59 int PDC_get_rows(void)
60 {
61 #ifdef EMXVIDEO
62 int cols = 0;
63 #else
64 VIOMODEINFO modeInfo = {0};
65 #endif
66 int rows = 0;
67 const char *env_rows;
68
69 PDC_LOG(("PDC_get_rows() - called\n"));
70
71 /* use the value from LINES environment variable, if set. MH 10-Jun-92 */
72 /* and use the minimum of LINES and *ROWS. MH 18-Jun-92 */
73
74 #ifdef EMXVIDEO
75 v_dimen(&cols, &rows);
76 #else
77 modeInfo.cb = sizeof(modeInfo);
78 VioGetMode(&modeInfo, 0);
79 rows = modeInfo.row;
80 #endif
81 env_rows = getenv("LINES");
82
83 if (env_rows)
84 rows = min(atoi(env_rows), rows);
85
86 PDC_LOG(("PDC_get_rows() - returned: rows %d\n", rows));
87
88 return rows;
89 }
90