1 files changed, 286 insertions, 0 deletions
diff --git a/lib/theme.c b/lib/theme.c
new file mode 100644
index 000000000000..7c27a85af74f
--- /dev/null
+++ b/lib/theme.c
@@ -0,0 +1,286 @@
+/*-
+ * SPDX-License-Identifier: BSD-2-Clause
+ *
+ * Copyright (c) 2021 Alfonso Sabato Siciliano
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#ifdef PORTNCURSES
+#include <ncurses/curses.h>
+#else
+#include <curses.h>
+#endif
+
+#include "bsddialog.h"
+#include "lib_util.h"
+#include "bsddialog_theme.h"
+
+#define GET_COLOR(bg, fg) (COLOR_PAIR(bg * 8 + fg +1))
+
+struct bsddialog_theme t;
+
+static struct bsddialog_theme bsddialogtheme = {
+#define bgwidget  COLOR_WHITE
+#define bgcurr    COLOR_YELLOW
+	.shadowcolor     = GET_COLOR(COLOR_BLACK, COLOR_BLACK),
+	.shadowrows      = 1,
+	.shadowcols      = 2,
+
+	.backgroundcolor = GET_COLOR(COLOR_BLACK, COLOR_CYAN),
+	.surroundtitle   = true,
+	.titlecolor      = GET_COLOR(COLOR_YELLOW, bgwidget),
+	.lineraisecolor  = GET_COLOR(COLOR_BLACK,  bgwidget),
+	.linelowercolor  = GET_COLOR(COLOR_BLACK,  bgwidget),
+	.widgetcolor     = GET_COLOR(COLOR_BLACK,  bgwidget),
+
+	.texthmargin     = 1,
+
+	.curritemcolor   = GET_COLOR(COLOR_WHITE,  bgcurr),
+	.itemcolor       = GET_COLOR(COLOR_BLACK,  bgwidget),
+	.currtagcolor    = GET_COLOR(COLOR_BLACK,  bgcurr),
+	.tagcolor        = GET_COLOR(COLOR_YELLOW, bgwidget),
+	.namesepcolor    = GET_COLOR(COLOR_YELLOW, bgwidget),
+	.descsepcolor    = GET_COLOR(COLOR_YELLOW, bgwidget),
+
+	.currfieldcolor  = GET_COLOR(COLOR_WHITE,  COLOR_BLUE),
+	.fieldcolor      = GET_COLOR(COLOR_WHITE,  COLOR_CYAN),
+	.fieldreadonlycolor = GET_COLOR(COLOR_CYAN,COLOR_WHITE),
+
+	.currbarcolor    = GET_COLOR(COLOR_WHITE, COLOR_BLUE),
+	.barcolor        = GET_COLOR(COLOR_BLUE,  COLOR_WHITE),
+
+	.buttonspace     = 3,
+	.buttleftch      = '[',
+	.buttrightchar   = ']',
+	.currbuttdelimcolor = GET_COLOR(COLOR_WHITE,  bgcurr),
+	.buttdelimcolor     = GET_COLOR(COLOR_BLACK,  bgwidget),
+	.currbuttoncolor    = GET_COLOR(COLOR_WHITE,  bgcurr)    | A_UNDERLINE,
+	.buttoncolor        = GET_COLOR(COLOR_BLACK,  bgwidget)  | A_UNDERLINE,
+	.currshortkeycolor  = GET_COLOR(COLOR_BLACK,  bgcurr)    | A_UNDERLINE,
+	.shortkeycolor      = GET_COLOR(COLOR_YELLOW, bgwidget)  | A_UNDERLINE,
+
+	.bottomtitlecolor= GET_COLOR(COLOR_BLACK, bgwidget)
+};
+
+static struct bsddialog_theme blackwhite = {
+#define bk  COLOR_BLACK
+#define fg  COLOR_WHITE
+	.shadowcolor     = GET_COLOR(COLOR_BLACK, COLOR_BLACK),
+	.shadowrows      = 1,
+	.shadowcols      = 2,
+
+	.backgroundcolor = GET_COLOR(fg, bk),
+	.surroundtitle   = true,
+	.titlecolor      = GET_COLOR(fg, bk),
+	.lineraisecolor  = GET_COLOR(fg, bk),
+	.linelowercolor  = GET_COLOR(fg, bk),
+	.widgetcolor     = GET_COLOR(fg, bk),
+
+	.texthmargin     = 1,
+
+	.curritemcolor   = GET_COLOR(fg, bk) | A_REVERSE,
+	.itemcolor       = GET_COLOR(fg, bk),
+	.currtagcolor    = GET_COLOR(fg, bk) | A_REVERSE,
+	.tagcolor        = GET_COLOR(fg, bk),
+	.namesepcolor    = GET_COLOR(fg, bk),
+	.descsepcolor    = GET_COLOR(fg, bk),
+
+	.currfieldcolor  = GET_COLOR(fg, bk) | A_REVERSE,
+	.fieldcolor      = GET_COLOR(fg, bk),
+	.fieldreadonlycolor = GET_COLOR(fg, bk),
+
+	.currbarcolor    = GET_COLOR(fg, bk) | A_REVERSE,
+	.barcolor        = GET_COLOR(fg, bk),
+
+	.buttonspace     = 3,
+	.buttleftch      = '[',
+	.buttrightchar   = ']',
+	.currbuttdelimcolor = GET_COLOR(fg, bk),
+	.buttdelimcolor     = GET_COLOR(fg, bk),
+	.currbuttoncolor    = GET_COLOR(fg, bk) | A_UNDERLINE | A_REVERSE,
+	.buttoncolor        = GET_COLOR(fg, bk) | A_UNDERLINE,
+	.currshortkeycolor  = GET_COLOR(fg, bk) | A_UNDERLINE | A_REVERSE,
+	.shortkeycolor      = GET_COLOR(fg, bk) | A_UNDERLINE,
+
+	.bottomtitlecolor= GET_COLOR(fg, bk)
+};
+
+static struct bsddialog_theme dialogtheme = {
+	.shadowcolor     = GET_COLOR(COLOR_BLACK, COLOR_BLACK),
+	.shadowrows      = 1,
+	.shadowcols      = 2,
+
+	.backgroundcolor = GET_COLOR(COLOR_CYAN,  COLOR_BLUE)  | A_BOLD,
+	.surroundtitle   = false,
+	.titlecolor      = GET_COLOR(COLOR_BLUE,  COLOR_WHITE) | A_BOLD,
+	.lineraisecolor  = GET_COLOR(COLOR_WHITE, COLOR_WHITE) | A_BOLD,
+	.linelowercolor  = GET_COLOR(COLOR_BLACK, COLOR_WHITE) | A_BOLD,
+	.widgetcolor     = GET_COLOR(COLOR_BLACK, COLOR_WHITE),
+
+	.texthmargin     = 1,
+
+	.curritemcolor   = GET_COLOR(COLOR_WHITE, COLOR_BLUE)  | A_BOLD,
+	.itemcolor       = GET_COLOR(COLOR_BLACK, COLOR_WHITE) | A_BOLD,
+	.currtagcolor    = GET_COLOR(COLOR_YELLOW,COLOR_BLUE)  | A_BOLD,
+	.tagcolor        = GET_COLOR(COLOR_BLUE,  COLOR_WHITE) | A_BOLD,
+	.namesepcolor    = GET_COLOR(COLOR_RED,   COLOR_WHITE),
+	.descsepcolor    = GET_COLOR(COLOR_RED,   COLOR_WHITE),
+
+	.currfieldcolor  = GET_COLOR(COLOR_WHITE,  COLOR_BLUE) | A_BOLD,
+	.fieldcolor      = GET_COLOR(COLOR_WHITE,  COLOR_CYAN) | A_BOLD,
+	.fieldreadonlycolor = GET_COLOR(COLOR_CYAN,COLOR_WHITE)| A_BOLD,
+
+	.currbarcolor    = GET_COLOR(COLOR_WHITE, COLOR_BLUE)  | A_BOLD,
+	.barcolor        = GET_COLOR(COLOR_BLUE,  COLOR_WHITE) | A_BOLD,
+
+	.buttonspace     = 3,
+	.buttleftch      = '<',
+	.buttrightchar   = '>',
+	.currbuttdelimcolor = GET_COLOR(COLOR_WHITE,  COLOR_BLUE)   | A_BOLD,
+	.buttdelimcolor     = GET_COLOR(COLOR_BLACK,  COLOR_WHITE),
+	.currbuttoncolor    = GET_COLOR(COLOR_YELLOW, COLOR_BLUE)   | A_BOLD,
+	.buttoncolor        = GET_COLOR(COLOR_BLACK,  COLOR_WHITE),
+	.currshortkeycolor  = GET_COLOR(COLOR_WHITE,  COLOR_BLUE)   | A_BOLD,
+	.shortkeycolor      = GET_COLOR(COLOR_RED,    COLOR_WHITE)  | A_BOLD,
+
+	.bottomtitlecolor   = GET_COLOR(COLOR_BLACK,  COLOR_WHITE)  | A_BOLD
+};
+
+static struct bsddialog_theme magentatheme = {
+	.shadowcolor     = GET_COLOR(COLOR_BLACK, COLOR_BLACK),
+	.shadowrows      = 1,
+	.shadowcols      = 2,
+
+	.backgroundcolor = GET_COLOR(COLOR_WHITE,  COLOR_MAGENTA) | A_BOLD,
+	.surroundtitle   = true,
+	.titlecolor      = GET_COLOR(COLOR_RED,   COLOR_CYAN),
+	.lineraisecolor  = GET_COLOR(COLOR_WHITE, COLOR_CYAN)     | A_BOLD,
+	.linelowercolor  = GET_COLOR(COLOR_BLACK, COLOR_CYAN),
+	.widgetcolor     = GET_COLOR(COLOR_BLACK, COLOR_CYAN),
+
+	.texthmargin     = 1,
+
+	.curritemcolor   = GET_COLOR(COLOR_WHITE, COLOR_BLUE) | A_BOLD,
+	.itemcolor       = GET_COLOR(COLOR_BLACK, COLOR_CYAN) | A_BOLD,
+	.currtagcolor    = GET_COLOR(COLOR_YELLOW,COLOR_BLUE) | A_BOLD,
+	.tagcolor        = GET_COLOR(COLOR_BLUE,  COLOR_CYAN) | A_BOLD,
+	.namesepcolor    = GET_COLOR(COLOR_RED,   COLOR_CYAN) | A_BOLD,
+	.descsepcolor    = GET_COLOR(COLOR_BLACK, COLOR_CYAN) | A_BOLD,
+
+	.currfieldcolor  = GET_COLOR(COLOR_WHITE,  COLOR_BLUE) | A_BOLD,
+	.fieldcolor      = GET_COLOR(COLOR_WHITE,  COLOR_CYAN) | A_BOLD,
+	.fieldreadonlycolor = GET_COLOR(COLOR_CYAN,COLOR_WHITE)| A_BOLD,
+
+	.currbarcolor    = GET_COLOR(COLOR_WHITE, COLOR_BLUE)  | A_BOLD,
+	.barcolor        = GET_COLOR(COLOR_BLUE,  COLOR_WHITE) | A_BOLD,
+
+	.buttonspace     = 3,
+	.buttleftch      = '<',
+	.buttrightchar   = '>',
+	.currbuttdelimcolor = GET_COLOR(COLOR_WHITE, COLOR_RED)    | A_BOLD,
+	.buttdelimcolor     = GET_COLOR(COLOR_BLACK, COLOR_CYAN),
+	.currbuttoncolor    = GET_COLOR(COLOR_WHITE, COLOR_RED),
+	.buttoncolor        = GET_COLOR(COLOR_BLACK,  COLOR_CYAN),
+	.currshortkeycolor  = GET_COLOR(COLOR_WHITE,  COLOR_RED)   | A_BOLD,
+	.shortkeycolor      = GET_COLOR(COLOR_BLACK,  COLOR_CYAN),
+
+	.bottomtitlecolor= GET_COLOR(COLOR_BLACK, COLOR_CYAN) | A_BOLD
+};
+
+void bsddialog_set_theme(struct bsddialog_theme newtheme)
+{
+	t.shadowcolor     = newtheme.shadowcolor;
+	t.shadowrows      = newtheme.shadowrows;
+	t.shadowcols      = newtheme.shadowcols;
+
+	t.backgroundcolor = newtheme.backgroundcolor;
+	t.surroundtitle   = newtheme.surroundtitle;
+	t.titlecolor      = newtheme.titlecolor;
+	t.lineraisecolor  = newtheme.lineraisecolor;
+	t.linelowercolor  = newtheme.linelowercolor;
+	t.widgetcolor     = newtheme.widgetcolor;
+
+	t.texthmargin     = newtheme.texthmargin;
+
+	t.curritemcolor   = newtheme.curritemcolor;
+	t.itemcolor       = newtheme.itemcolor;
+	t.currtagcolor    = newtheme.currtagcolor;
+	t.tagcolor        = newtheme.tagcolor;
+	t.namesepcolor    = newtheme.namesepcolor;
+	t.descsepcolor    = newtheme.descsepcolor;
+
+	t.currfieldcolor  = newtheme.currfieldcolor;
+	t.fieldcolor      = newtheme.fieldcolor;
+	t.fieldreadonlycolor = newtheme.fieldreadonlycolor;
+
+	t.currbarcolor    = newtheme.currbarcolor;
+	t.barcolor        = newtheme.barcolor;
+
+	t.buttonspace        = newtheme.buttonspace;
+	t.buttleftch         = newtheme.buttleftch;
+	t.buttrightchar      = newtheme.buttrightchar;
+	t.currbuttdelimcolor = newtheme.currbuttdelimcolor;
+	t.buttdelimcolor     = newtheme.buttdelimcolor;
+	t.currbuttoncolor    = newtheme.currbuttoncolor;
+	t.buttoncolor        = newtheme.buttoncolor;
+	t.currshortkeycolor  = newtheme.currshortkeycolor;
+	t.shortkeycolor      = newtheme.shortkeycolor;
+
+	t.bottomtitlecolor   = newtheme.bottomtitlecolor;
+
+	bkgd(t.backgroundcolor);
+
+	refresh();
+}
+
+int bsddialog_set_default_theme(enum bsddialog_default_theme newtheme)
+{
+
+	if (newtheme == BSDDIALOG_THEME_DEFAULT)
+		bsddialog_set_theme(dialogtheme);
+	else if (newtheme == BSDDIALOG_THEME_BSDDIALOG)
+		bsddialog_set_theme(bsddialogtheme);
+	else if (newtheme == BSDDIALOG_THEME_BLACKWHITE)
+		bsddialog_set_theme(blackwhite);
+	else if (newtheme == BSDDIALOG_THEME_DIALOG)
+		bsddialog_set_theme(dialogtheme);
+	else if (newtheme == BSDDIALOG_THEME_MAGENTA)
+		bsddialog_set_theme(magentatheme);
+	else
+		RETURN_ERROR("Unknow default theme");
+
+	return 0;
+}
+
+int
+bsddialog_color(enum bsddialog_color background, enum bsddialog_color foreground)
+{
+
+	return GET_COLOR(background, foreground);
+}
+
+struct bsddialog_theme bsddialog_get_theme()
+{
+
+	return t;
+}