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Diffstat (limited to 'ncurses-5.3/ncurses/base/lib_dft_fgbg.c')
-rw-r--r--ncurses-5.3/ncurses/base/lib_dft_fgbg.c71
1 files changed, 71 insertions, 0 deletions
diff --git a/ncurses-5.3/ncurses/base/lib_dft_fgbg.c b/ncurses-5.3/ncurses/base/lib_dft_fgbg.c
new file mode 100644
index 0000000..7b4c187
--- /dev/null
+++ b/ncurses-5.3/ncurses/base/lib_dft_fgbg.c
@@ -0,0 +1,71 @@
+/****************************************************************************
+ * Copyright (c) 1998,1999,2000 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 *
+ * "Software"), to deal in the Software without restriction, including *
+ * without limitation the rights to use, copy, modify, merge, publish, *
+ * distribute, distribute with modifications, sublicense, and/or sell *
+ * copies of the Software, and to permit persons to whom the Software is *
+ * furnished to do so, subject to the following conditions: *
+ * *
+ * The above copyright notice and this permission notice shall be included *
+ * in all copies or substantial portions of the Software. *
+ * *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
+ * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, *
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR *
+ * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR *
+ * THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
+ * *
+ * Except as contained in this notice, the name(s) of the above copyright *
+ * holders shall not be used in advertising or otherwise to promote the *
+ * sale, use or other dealings in this Software without prior written *
+ * authorization. *
+ ****************************************************************************/
+
+/****************************************************************************
+ * Author: Thomas E. Dickey <dickey@clark.net> 1997,1999 *
+ ****************************************************************************/
+
+#include <curses.priv.h>
+#include <term.h>
+
+MODULE_ID("$Id$")
+
+/*
+ * Modify the behavior of color-pair 0 so that the library doesn't assume that
+ * it is white on black. This is an extension to XSI curses.
+ */
+NCURSES_EXPORT(int)
+use_default_colors(void)
+{
+ T((T_CALLED("use_default_colors()")));
+ returnCode(assume_default_colors(C_MASK, C_MASK));
+}
+
+/*
+ * Modify the behavior of color-pair 0 so that the library assumes that it
+ * is something specific, possibly not white on black.
+ */
+NCURSES_EXPORT(int)
+assume_default_colors(int fg, int bg)
+{
+ T((T_CALLED("assume_default_colors(%d,%d)"), fg, bg));
+
+ if (!orig_pair && !orig_colors)
+ returnCode(ERR);
+
+ if (initialize_pair) /* don't know how to handle this */
+ returnCode(ERR);
+
+ SP->_default_color = (fg < 0 || fg == C_MASK) || (bg < 0 || bg == C_MASK);
+ SP->_has_sgr_39_49 = (tigetflag("AX") == TRUE);
+ SP->_default_fg = (fg >= 0) ? (fg & C_MASK) : C_MASK;
+ SP->_default_bg = (bg >= 0) ? (bg & C_MASK) : C_MASK;
+ if (SP->_color_pairs != 0)
+ init_pair(0, fg, bg);
+ returnCode(OK);
+}