/****************************************************************************
- * Copyright (c) 1998-2000,2002 Free Software Foundation, Inc. *
+ * Copyright 2020 Thomas E. Dickey *
+ * Copyright 1998-2010,2011 Free Software Foundation, Inc. *
* *
* Permission is hereby granted, free of charge, to any person obtaining a *
* copy of this software and associated documentation files (the *
****************************************************************************/
/****************************************************************************
- * Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995 *
- * and: Eric S. Raymond <esr@snark.thyrsus.com> *
+ * Authors: *
+ * Gerhard Fuernkranz 1993 (original) *
+ * Zeyd M. Ben-Halim 1992,1995 (sic) *
+ * Eric S. Raymond *
+ * Juergen Pfeifer 1996-on *
+ * Thomas E. Dickey *
****************************************************************************/
/*
*/
#include <curses.priv.h>
-
#include <ctype.h>
-#include <term.h> /* num_labels, label_*, plab_norm */
-MODULE_ID("$Id: lib_slk.c,v 1.24 2002/09/28 17:46:40 tom Exp $")
+#ifndef CUR
+#define CUR SP_TERMTYPE
+#endif
-/*
- * We'd like to move these into the screen context structure, but cannot,
- * because slk_init() is called before initscr()/newterm().
- */
-NCURSES_EXPORT_VAR(int)
-_nc_slk_format = 0; /* one more than format specified in slk_init() */
+MODULE_ID("$Id: lib_slk.c,v 1.49 2020/02/02 23:34:34 tom Exp $")
+
+#ifdef USE_TERM_DRIVER
+#define NumLabels InfoOf(SP_PARM).numlabels
+#define NoColorVideo InfoOf(SP_PARM).nocolorvideo
+#define LabelWidth InfoOf(SP_PARM).labelwidth
+#define LabelHeight InfoOf(SP_PARM).labelheight
+#else
+#define NumLabels num_labels
+#define NoColorVideo no_color_video
+#define LabelWidth label_width
+#define LabelHeight label_height
+#endif
/*
- * Paint the info line for the PC style SLK emulation.
- *
+ * Free any memory related to soft labels, return an error.
*/
-static void
-slk_paint_info(WINDOW *win)
+static int
+slk_failed(NCURSES_SP_DCL0)
{
- if (win && SP->slk_format == 4) {
- int i;
-
- mvwhline(win, 0, 0, 0, getmaxx(win));
- wmove(win, 0, 0);
-
- for (i = 0; i < SP->_slk->maxlab; i++) {
- mvwprintw(win, 0, SP->_slk->ent[i].x, "F%d", i + 1);
- }
+ if ((0 != SP_PARM) && SP_PARM->_slk) {
+ FreeIfNeeded(SP_PARM->_slk->ent);
+ free(SP_PARM->_slk);
+ SP_PARM->_slk = (SLK *) 0;
}
+ return ERR;
}
-/*
- * Initialize soft labels.
- * Called from newterm()
- */
NCURSES_EXPORT(int)
-_nc_slk_initialize(WINDOW *stwin, int cols)
+_nc_format_slks(NCURSES_SP_DCLx int cols)
{
- int i, x;
- int res = OK;
- char *p;
- unsigned max_length;
-
- T(("slk_initialize()"));
-
- if (SP->_slk) { /* we did this already, so simply return */
- return (OK);
- } else if ((SP->_slk = typeCalloc(SLK, 1)) == 0)
- return (ERR);
-
- SP->_slk->ent = NULL;
- SP->_slk->buffer = NULL;
- SP->_slk->attr = A_STANDOUT;
-
- SP->_slk->maxlab = ((num_labels > 0)
- ? num_labels
- : MAX_SKEY(_nc_slk_format));
- SP->_slk->maxlen = ((num_labels > 0)
- ? label_width * label_height
- : MAX_SKEY_LEN(_nc_slk_format));
- SP->_slk->labcnt = ((SP->_slk->maxlab < MAX_SKEY(_nc_slk_format))
- ? MAX_SKEY(_nc_slk_format)
- : SP->_slk->maxlab);
-
- if (SP->_slk->maxlen <= 0
- || SP->_slk->labcnt <= 0
- || (SP->_slk->ent = typeCalloc(slk_ent,
- (unsigned) SP->_slk->labcnt)) == NULL)
- goto exception;
-
- max_length = SP->_slk->maxlen;
- p = SP->_slk->buffer = (char *) calloc((unsigned) (2 * SP->_slk->labcnt),
- (1 + max_length));
- if (SP->_slk->buffer == NULL)
- goto exception;
-
- for (i = 0; i < SP->_slk->labcnt; i++) {
- SP->_slk->ent[i].text = p;
- p += (1 + max_length);
- SP->_slk->ent[i].form_text = p;
- p += (1 + max_length);
- memset(SP->_slk->ent[i].form_text, ' ', max_length);
- SP->_slk->ent[i].visible = (i < SP->_slk->maxlab);
- }
- if (_nc_slk_format >= 3) { /* PC style */
- int gap = (cols - 3 * (3 + 4 * max_length)) / 2;
+ int gap, i, x;
+ int max_length;
+
+ if (!SP_PARM || !SP_PARM->_slk)
+ return ERR;
+
+ max_length = SP_PARM->_slk->maxlen;
+ if (SP_PARM->slk_format >= 3) { /* PC style */
+ gap = (cols - 3 * (3 + 4 * max_length)) / 2;
if (gap < 1)
gap = 1;
- for (i = x = 0; i < SP->_slk->maxlab; i++) {
- SP->_slk->ent[i].x = x;
+ for (i = x = 0; i < SP_PARM->_slk->maxlab; i++) {
+ SP_PARM->_slk->ent[i].ent_x = x;
x += max_length;
x += (i == 3 || i == 7) ? gap : 1;
}
- slk_paint_info(stwin);
} else {
- if (_nc_slk_format == 2) { /* 4-4 */
- int gap = cols - (SP->_slk->maxlab * max_length) - 6;
+ if (SP_PARM->slk_format == 2) { /* 4-4 */
+ gap = cols - (int) (SP_PARM->_slk->maxlab * max_length) - 6;
if (gap < 1)
gap = 1;
- for (i = x = 0; i < SP->_slk->maxlab; i++) {
- SP->_slk->ent[i].x = x;
+ for (i = x = 0; i < SP_PARM->_slk->maxlab; i++) {
+ SP_PARM->_slk->ent[i].ent_x = x;
x += max_length;
x += (i == 3) ? gap : 1;
}
} else {
- if (_nc_slk_format == 1) { /* 1 -> 3-2-3 */
- int gap = (cols - (SP->_slk->maxlab * max_length) - 5)
- / 2;
+ if (SP_PARM->slk_format == 1) { /* 1 -> 3-2-3 */
+ gap = (cols - (SP_PARM->_slk->maxlab * max_length) - 5)
+ / 2;
if (gap < 1)
gap = 1;
- for (i = x = 0; i < SP->_slk->maxlab; i++) {
- SP->_slk->ent[i].x = x;
+ for (i = x = 0; i < SP_PARM->_slk->maxlab; i++) {
+ SP_PARM->_slk->ent[i].ent_x = x;
x += max_length;
x += (i == 2 || i == 4) ? gap : 1;
}
- } else
- goto exception;
+ } else {
+ return slk_failed(NCURSES_SP_ARG);
+ }
}
}
- SP->_slk->dirty = TRUE;
- if ((SP->_slk->win = stwin) == NULL) {
- exception:
- if (SP->_slk) {
- FreeIfNeeded(SP->_slk->buffer);
- FreeIfNeeded(SP->_slk->ent);
- free(SP->_slk);
- SP->_slk = (SLK *) 0;
- res = (ERR);
+ SP_PARM->_slk->dirty = TRUE;
+
+ return OK;
+}
+
+/*
+ * Initialize soft labels.
+ * Called from newterm()
+ */
+NCURSES_EXPORT(int)
+_nc_slk_initialize(WINDOW *stwin, int cols)
+{
+ int i;
+ int res = OK;
+ size_t max_length;
+ SCREEN *sp;
+ int numlab;
+
+ T((T_CALLED("_nc_slk_initialize()")));
+
+ assert(stwin);
+
+ sp = _nc_screen_of(stwin);
+ if (0 == sp)
+ returnCode(ERR);
+
+ assert(TerminalOf(SP_PARM));
+
+ numlab = NumLabels;
+
+ if (SP_PARM->_slk) { /* we did this already, so simply return */
+ returnCode(OK);
+ } else if ((SP_PARM->_slk = typeCalloc(SLK, 1)) == 0)
+ returnCode(ERR);
+
+ if (!SP_PARM->slk_format)
+ SP_PARM->slk_format = _nc_globals.slk_format;
+
+ /*
+ * If we use colors, vidputs() will suppress video attributes that conflict
+ * with colors. In that case, we're still guaranteed that "reverse" would
+ * work.
+ */
+ if ((NoColorVideo & 1) == 0)
+ SetAttr(SP_PARM->_slk->attr, A_STANDOUT);
+ else
+ SetAttr(SP_PARM->_slk->attr, A_REVERSE);
+
+ SP_PARM->_slk->maxlab = (short) ((numlab > 0)
+ ? numlab
+ : MAX_SKEY(SP_PARM->slk_format));
+ SP_PARM->_slk->maxlen = (short) ((numlab > 0)
+ ? LabelWidth * LabelHeight
+ : MAX_SKEY_LEN(SP_PARM->slk_format));
+ SP_PARM->_slk->labcnt = (short) ((SP_PARM->_slk->maxlab < MAX_SKEY(SP_PARM->slk_format))
+ ? MAX_SKEY(SP_PARM->slk_format)
+ : SP_PARM->_slk->maxlab);
+
+ if (SP_PARM->_slk->maxlen <= 0
+ || SP_PARM->_slk->labcnt <= 0
+ || (SP_PARM->_slk->ent = typeCalloc(slk_ent,
+ (size_t) SP_PARM->_slk->labcnt))
+ == NULL)
+ returnCode(slk_failed(NCURSES_SP_ARG));
+
+ max_length = (size_t) SP_PARM->_slk->maxlen;
+ for (i = 0; i < SP_PARM->_slk->labcnt; i++) {
+ size_t used = max_length + 1;
+
+ SP_PARM->_slk->ent[i].ent_text = (char *) _nc_doalloc(0, used);
+ if (SP_PARM->_slk->ent[i].ent_text == 0)
+ returnCode(slk_failed(NCURSES_SP_ARG));
+ memset(SP_PARM->_slk->ent[i].ent_text, 0, used);
+
+ SP_PARM->_slk->ent[i].form_text = (char *) _nc_doalloc(0, used);
+ if (SP_PARM->_slk->ent[i].form_text == 0)
+ returnCode(slk_failed(NCURSES_SP_ARG));
+
+ if (used > 1) {
+ memset(SP_PARM->_slk->ent[i].form_text, ' ', used - 1);
}
+ SP_PARM->_slk->ent[i].form_text[used - 1] = '\0';
+
+ SP_PARM->_slk->ent[i].visible = (char) (i < SP_PARM->_slk->maxlab);
+ }
+
+ res = _nc_format_slks(NCURSES_SP_ARGx cols);
+
+ if ((SP_PARM->_slk->win = stwin) == NULL) {
+ returnCode(slk_failed(NCURSES_SP_ARG));
}
/* We now reset the format so that the next newterm has again
* per default no SLK keys and may call slk_init again to
* define a new layout. (juergen 03-Mar-1999)
*/
- SP->slk_format = _nc_slk_format;
- _nc_slk_format = 0;
- return (res);
+ _nc_globals.slk_format = 0;
+ returnCode(res);
}
/*
* Restore the soft labels on the screen.
*/
NCURSES_EXPORT(int)
-slk_restore(void)
+NCURSES_SP_NAME(slk_restore) (NCURSES_SP_DCL0)
{
- T((T_CALLED("slk_restore()")));
+ T((T_CALLED("slk_restore(%p)"), (void *) SP_PARM));
- if (SP->_slk == NULL)
- return (ERR);
- SP->_slk->hidden = FALSE;
- SP->_slk->dirty = TRUE;
- /* we have to repaint info line eventually */
- slk_paint_info(SP->_slk->win);
+ if (0 == SP_PARM)
+ returnCode(ERR);
+ if (SP_PARM->_slk == NULL)
+ returnCode(ERR);
+ SP_PARM->_slk->hidden = FALSE;
+ SP_PARM->_slk->dirty = TRUE;
- returnCode(slk_refresh());
+ returnCode(NCURSES_SP_NAME(slk_refresh) (NCURSES_SP_ARG));
+}
+
+#if NCURSES_SP_FUNCS
+NCURSES_EXPORT(int)
+slk_restore(void)
+{
+ return NCURSES_SP_NAME(slk_restore) (CURRENT_SCREEN);
}
+#endif
projects / ncurses.git / blobdiff