644 lines
14 KiB
C
644 lines
14 KiB
C
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/* Public Domain Curses */
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#include <curspriv.h>
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RCSID("$Id: slk.c,v 1.61 2008/07/13 16:08:18 wmcbrine Exp $")
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/*man-start**************************************************************
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Name: slk
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Synopsis:
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int slk_init(int fmt);
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int slk_set(int labnum, const char *label, int justify);
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int slk_refresh(void);
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int slk_noutrefresh(void);
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char *slk_label(int labnum);
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int slk_clear(void);
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int slk_restore(void);
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int slk_touch(void);
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int slk_attron(const chtype attrs);
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int slk_attr_on(const attr_t attrs, void *opts);
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int slk_attrset(const chtype attrs);
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int slk_attr_set(const attr_t attrs, short color_pair, void *opts);
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int slk_attroff(const chtype attrs);
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int slk_attr_off(const attr_t attrs, void *opts);
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int slk_color(short color_pair);
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int slk_wset(int labnum, const wchar_t *label, int justify);
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int PDC_mouse_in_slk(int y, int x);
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void PDC_slk_free(void);
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void PDC_slk_initialize(void);
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wchar_t *slk_wlabel(int labnum)
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Description:
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These functions manipulate a window that contain Soft Label Keys
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(SLK). To use the SLK functions, a call to slk_init() must be
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made BEFORE initscr() or newterm(). slk_init() removes 1 or 2
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lines from the useable screen, depending on the format selected.
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The line(s) removed from the screen are used as a separate
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window, in which SLKs are displayed.
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slk_init() requires a single parameter which describes the
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format of the SLKs as follows:
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0 3-2-3 format
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1 4-4 format
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2 4-4-4 format (ncurses extension)
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3 4-4-4 format with index line (ncurses extension)
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2 lines used
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55 5-5 format (pdcurses format)
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slk_refresh(), slk_noutrefresh() and slk_touch() are analogous
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to refresh(), noutrefresh() and touch().
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Return Value:
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All functions return OK on success and ERR on error.
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Portability X/Open BSD SYS V
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slk_init Y - Y
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slk_set Y - Y
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slk_refresh Y - Y
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slk_noutrefresh Y - Y
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slk_label Y - Y
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slk_clear Y - Y
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slk_restore Y - Y
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slk_touch Y - Y
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slk_attron Y - Y
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slk_attrset Y - Y
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slk_attroff Y - Y
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slk_attr_on Y
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slk_attr_set Y
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slk_attr_off Y
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slk_wset Y
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PDC_mouse_in_slk - - -
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PDC_slk_free - - -
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PDC_slk_initialize - - -
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slk_wlabel - - -
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**man-end****************************************************************/
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#include <stdlib.h>
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enum { LABEL_NORMAL = 8, LABEL_EXTENDED = 10, LABEL_NCURSES_EXTENDED = 12 };
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static int label_length = 0;
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static int labels = 0;
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static int label_fmt = 0;
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static int label_line = 0;
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static bool hidden = FALSE;
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static struct SLK {
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chtype label[32];
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int len;
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int format;
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int start_col;
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} *slk = (struct SLK *)NULL;
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/* slk_init() is the slk initialization routine.
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This must be called before initscr().
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label_fmt = 0, 1 or 55.
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0 = 3-2-3 format
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1 = 4 - 4 format
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2 = 4-4-4 format (ncurses extension for PC 12 function keys)
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3 = 4-4-4 format (ncurses extension for PC 12 function keys -
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with index line)
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55 = 5 - 5 format (extended for PC, 10 function keys) */
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int slk_init(int fmt)
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{
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PDC_LOG(("slk_init() - called\n"));
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if (SP)
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return ERR;
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switch (fmt)
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{
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case 0: /* 3 - 2 - 3 */
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labels = LABEL_NORMAL;
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break;
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case 1: /* 4 - 4 */
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labels = LABEL_NORMAL;
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break;
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case 2: /* 4 4 4 */
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labels = LABEL_NCURSES_EXTENDED;
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break;
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case 3: /* 4 4 4 with index */
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labels = LABEL_NCURSES_EXTENDED;
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break;
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case 55: /* 5 - 5 */
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labels = LABEL_EXTENDED;
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break;
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default:
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return ERR;
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}
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label_fmt = fmt;
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slk = calloc(labels, sizeof(struct SLK));
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if (!slk)
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labels = 0;
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return slk ? OK : ERR;
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}
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/* draw a single button */
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static void _drawone(int num)
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{
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int i, col, slen;
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if (hidden)
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return;
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slen = slk[num].len;
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switch (slk[num].format)
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{
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case 0: /* LEFT */
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col = 0;
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break;
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case 1: /* CENTER */
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col = (label_length - slen) / 2;
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if (col + slen > label_length)
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--col;
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break;
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default: /* RIGHT */
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col = label_length - slen;
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}
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wmove(SP->slk_winptr, label_line, slk[num].start_col);
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for (i = 0; i < label_length; ++i)
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waddch(SP->slk_winptr, (i >= col && i < (col + slen)) ?
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slk[num].label[i - col] : ' ');
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}
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/* redraw each button */
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static void _redraw(void)
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{
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int i;
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for (i = 0; i < labels; ++i)
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_drawone(i);
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}
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/* slk_set() Used to set a slk label to a string.
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labnum = 1 - 8 (or 10) (number of the label)
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label = string (8 or 7 bytes total), or NULL
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justify = 0 : left, 1 : center, 2 : right */
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int slk_set(int labnum, const char *label, int justify)
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{
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#ifdef PDC_WIDE
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wchar_t wlabel[32];
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PDC_mbstowcs(wlabel, label, 31);
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return slk_wset(labnum, wlabel, justify);
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#else
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PDC_LOG(("slk_set() - called\n"));
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if (labnum < 1 || labnum > labels || justify < 0 || justify > 2)
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return ERR;
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labnum--;
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if (!label || !(*label))
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{
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/* Clear the label */
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*slk[labnum].label = 0;
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slk[labnum].format = 0;
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slk[labnum].len = 0;
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}
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else
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{
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int i, j = 0;
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/* Skip leading spaces */
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while (label[j] == ' ')
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j++;
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/* Copy it */
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for (i = 0; i < label_length; i++)
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{
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chtype ch = label[i + j];
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slk[labnum].label[i] = ch;
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if (!ch)
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break;
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}
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/* Drop trailing spaces */
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while ((i + j) && (label[i + j - 1] == ' '))
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i--;
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slk[labnum].label[i] = 0;
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slk[labnum].format = justify;
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slk[labnum].len = i;
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}
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_drawone(labnum);
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return OK;
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#endif
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}
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int slk_refresh(void)
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{
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PDC_LOG(("slk_refresh() - called\n"));
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return (slk_noutrefresh() == ERR) ? ERR : doupdate();
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}
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int slk_noutrefresh(void)
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{
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PDC_LOG(("slk_noutrefresh() - called\n"));
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return wnoutrefresh(SP->slk_winptr);
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}
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char *slk_label(int labnum)
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{
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static char temp[33];
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#ifdef PDC_WIDE
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wchar_t *wtemp = slk_wlabel(labnum);
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PDC_wcstombs(temp, wtemp, 32);
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#else
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chtype *p;
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int i;
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PDC_LOG(("slk_label() - called\n"));
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if (labnum < 1 || labnum > labels)
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return (char *)0;
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for (i = 0, p = slk[labnum - 1].label; *p; i++)
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temp[i] = *p++;
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temp[i] = '\0';
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#endif
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return temp;
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}
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int slk_clear(void)
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{
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PDC_LOG(("slk_clear() - called\n"));
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hidden = TRUE;
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werase(SP->slk_winptr);
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return wrefresh(SP->slk_winptr);
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}
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int slk_restore(void)
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{
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PDC_LOG(("slk_restore() - called\n"));
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hidden = FALSE;
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_redraw();
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return wrefresh(SP->slk_winptr);
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}
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int slk_touch(void)
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{
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PDC_LOG(("slk_touch() - called\n"));
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return touchwin(SP->slk_winptr);
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}
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int slk_attron(const chtype attrs)
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{
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int rc;
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PDC_LOG(("slk_attron() - called\n"));
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rc = wattron(SP->slk_winptr, attrs);
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_redraw();
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return rc;
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}
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int slk_attr_on(const attr_t attrs, void *opts)
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{
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PDC_LOG(("slk_attr_on() - called\n"));
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return slk_attron(attrs);
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}
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int slk_attroff(const chtype attrs)
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{
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int rc;
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PDC_LOG(("slk_attroff() - called\n"));
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rc = wattroff(SP->slk_winptr, attrs);
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_redraw();
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return rc;
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}
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int slk_attr_off(const attr_t attrs, void *opts)
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{
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PDC_LOG(("slk_attr_off() - called\n"));
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return slk_attroff(attrs);
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}
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int slk_attrset(const chtype attrs)
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{
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int rc;
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PDC_LOG(("slk_attrset() - called\n"));
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rc = wattrset(SP->slk_winptr, attrs);
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_redraw();
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return rc;
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}
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int slk_color(short color_pair)
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{
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int rc;
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PDC_LOG(("slk_color() - called\n"));
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rc = wcolor_set(SP->slk_winptr, color_pair, NULL);
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_redraw();
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return rc;
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}
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int slk_attr_set(const attr_t attrs, short color_pair, void *opts)
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{
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PDC_LOG(("slk_attr_set() - called\n"));
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return slk_attrset(attrs | COLOR_PAIR(color_pair));
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}
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static void _slk_calc(void)
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{
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int i, center, col = 0;
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label_length = COLS / labels;
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if (label_length > 31)
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label_length = 31;
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switch (label_fmt)
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{
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case 0: /* 3 - 2 - 3 F-Key layout */
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--label_length;
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slk[0].start_col = col;
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slk[1].start_col = (col += label_length);
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slk[2].start_col = (col += label_length);
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||
|
|
|
||
|
|
center = COLS / 2;
|
||
|
|
|
||
|
|
slk[3].start_col = center - label_length + 1;
|
||
|
|
slk[4].start_col = center + 1;
|
||
|
|
|
||
|
|
col = COLS - (label_length * 3) + 1;
|
||
|
|
|
||
|
|
slk[5].start_col = col;
|
||
|
|
slk[6].start_col = (col += label_length);
|
||
|
|
slk[7].start_col = (col += label_length);
|
||
|
|
break;
|
||
|
|
|
||
|
|
case 1: /* 4 - 4 F-Key layout */
|
||
|
|
|
||
|
|
for (i = 0; i < 8; i++)
|
||
|
|
{
|
||
|
|
slk[i].start_col = col;
|
||
|
|
col += label_length;
|
||
|
|
|
||
|
|
if (i == 3)
|
||
|
|
col = COLS - (label_length * 4) + 1;
|
||
|
|
}
|
||
|
|
|
||
|
|
break;
|
||
|
|
|
||
|
|
case 2: /* 4 4 4 F-Key layout */
|
||
|
|
case 3: /* 4 4 4 F-Key layout with index */
|
||
|
|
|
||
|
|
for (i = 0; i < 4; i++)
|
||
|
|
{
|
||
|
|
slk[i].start_col = col;
|
||
|
|
col += label_length;
|
||
|
|
}
|
||
|
|
|
||
|
|
center = COLS/2;
|
||
|
|
|
||
|
|
slk[4].start_col = center - (label_length * 2) + 1;
|
||
|
|
slk[5].start_col = center - label_length - 1;
|
||
|
|
slk[6].start_col = center + 1;
|
||
|
|
slk[7].start_col = center + label_length + 1;
|
||
|
|
|
||
|
|
col = COLS - (label_length * 4) + 1;
|
||
|
|
|
||
|
|
for (i = 8; i < 12; i++)
|
||
|
|
{
|
||
|
|
slk[i].start_col = col;
|
||
|
|
col += label_length;
|
||
|
|
}
|
||
|
|
|
||
|
|
break;
|
||
|
|
|
||
|
|
default: /* 5 - 5 F-Key layout */
|
||
|
|
|
||
|
|
for (i = 0; i < 10; i++)
|
||
|
|
{
|
||
|
|
slk[i].start_col = col;
|
||
|
|
col += label_length;
|
||
|
|
|
||
|
|
if (i == 4)
|
||
|
|
col = COLS - (label_length * 5) + 1;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
--label_length;
|
||
|
|
|
||
|
|
/* make sure labels are all in window */
|
||
|
|
|
||
|
|
_redraw();
|
||
|
|
}
|
||
|
|
|
||
|
|
void PDC_slk_initialize(void)
|
||
|
|
{
|
||
|
|
if (slk)
|
||
|
|
{
|
||
|
|
if (label_fmt == 3)
|
||
|
|
{
|
||
|
|
SP->slklines = 2;
|
||
|
|
label_line = 1;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
SP->slklines = 1;
|
||
|
|
|
||
|
|
if (!SP->slk_winptr)
|
||
|
|
{
|
||
|
|
if ( !(SP->slk_winptr = newwin(SP->slklines, COLS,
|
||
|
|
LINES - SP->slklines, 0)) )
|
||
|
|
return;
|
||
|
|
|
||
|
|
wattrset(SP->slk_winptr, A_REVERSE);
|
||
|
|
}
|
||
|
|
|
||
|
|
_slk_calc();
|
||
|
|
|
||
|
|
/* if we have an index line, display it now */
|
||
|
|
|
||
|
|
if (label_fmt == 3)
|
||
|
|
{
|
||
|
|
chtype save_attr;
|
||
|
|
int i;
|
||
|
|
|
||
|
|
save_attr = SP->slk_winptr->_attrs;
|
||
|
|
wattrset(SP->slk_winptr, A_NORMAL);
|
||
|
|
wmove(SP->slk_winptr, 0, 0);
|
||
|
|
whline(SP->slk_winptr, 0, COLS);
|
||
|
|
|
||
|
|
for (i = 0; i < labels; i++)
|
||
|
|
mvwprintw(SP->slk_winptr, 0, slk[i].start_col, "F%d", i + 1);
|
||
|
|
|
||
|
|
SP->slk_winptr->_attrs = save_attr;
|
||
|
|
}
|
||
|
|
|
||
|
|
touchwin(SP->slk_winptr);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
void PDC_slk_free(void)
|
||
|
|
{
|
||
|
|
if (slk)
|
||
|
|
{
|
||
|
|
if (SP->slk_winptr)
|
||
|
|
{
|
||
|
|
delwin(SP->slk_winptr);
|
||
|
|
SP->slk_winptr = (WINDOW *)NULL;
|
||
|
|
}
|
||
|
|
|
||
|
|
free(slk);
|
||
|
|
slk = (struct SLK *)NULL;
|
||
|
|
|
||
|
|
label_length = 0;
|
||
|
|
labels = 0;
|
||
|
|
label_fmt = 0;
|
||
|
|
label_line = 0;
|
||
|
|
hidden = FALSE;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
int PDC_mouse_in_slk(int y, int x)
|
||
|
|
{
|
||
|
|
int i;
|
||
|
|
|
||
|
|
PDC_LOG(("PDC_mouse_in_slk() - called: y->%d x->%d\n", y, x));
|
||
|
|
|
||
|
|
/* If the line on which the mouse was clicked is NOT the last line
|
||
|
|
of the screen, we are not interested in it. */
|
||
|
|
|
||
|
|
if (!slk || !SP->slk_winptr || (y != SP->slk_winptr->_begy + label_line))
|
||
|
|
return 0;
|
||
|
|
|
||
|
|
for (i = 0; i < labels; i++)
|
||
|
|
if (x >= slk[i].start_col && x < (slk[i].start_col + label_length))
|
||
|
|
return i + 1;
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
#ifdef PDC_WIDE
|
||
|
|
int slk_wset(int labnum, const wchar_t *label, int justify)
|
||
|
|
{
|
||
|
|
PDC_LOG(("slk_wset() - called\n"));
|
||
|
|
|
||
|
|
if (labnum < 1 || labnum > labels || justify < 0 || justify > 2)
|
||
|
|
return ERR;
|
||
|
|
|
||
|
|
labnum--;
|
||
|
|
|
||
|
|
if (!label || !(*label))
|
||
|
|
{
|
||
|
|
/* Clear the label */
|
||
|
|
|
||
|
|
*slk[labnum].label = 0;
|
||
|
|
slk[labnum].format = 0;
|
||
|
|
slk[labnum].len = 0;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
int i, j = 0;
|
||
|
|
|
||
|
|
/* Skip leading spaces */
|
||
|
|
|
||
|
|
while (label[j] == L' ')
|
||
|
|
j++;
|
||
|
|
|
||
|
|
/* Copy it */
|
||
|
|
|
||
|
|
for (i = 0; i < label_length; i++)
|
||
|
|
{
|
||
|
|
chtype ch = label[i + j];
|
||
|
|
|
||
|
|
slk[labnum].label[i] = ch;
|
||
|
|
|
||
|
|
if (!ch)
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
/* Drop trailing spaces */
|
||
|
|
|
||
|
|
while ((i + j) && (label[i + j - 1] == L' '))
|
||
|
|
i--;
|
||
|
|
|
||
|
|
slk[labnum].label[i] = 0;
|
||
|
|
slk[labnum].format = justify;
|
||
|
|
slk[labnum].len = i;
|
||
|
|
}
|
||
|
|
|
||
|
|
_drawone(labnum);
|
||
|
|
|
||
|
|
return OK;
|
||
|
|
}
|
||
|
|
|
||
|
|
wchar_t *slk_wlabel(int labnum)
|
||
|
|
{
|
||
|
|
static wchar_t temp[33];
|
||
|
|
chtype *p;
|
||
|
|
int i;
|
||
|
|
|
||
|
|
PDC_LOG(("slk_wlabel() - called\n"));
|
||
|
|
|
||
|
|
if (labnum < 1 || labnum > labels)
|
||
|
|
return (wchar_t *)0;
|
||
|
|
|
||
|
|
for (i = 0, p = slk[labnum - 1].label; *p; i++)
|
||
|
|
temp[i] = *p++;
|
||
|
|
|
||
|
|
temp[i] = '\0';
|
||
|
|
|
||
|
|
return temp;
|
||
|
|
}
|
||
|
|
#endif
|