Adding upstream version 3:4.8.30.upstream/3%4.8.30

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 194 insertions, 0 deletions

diff --git a/lib/widget/hline.c b/lib/widget/hline.c
new file mode 100644
index 0000000..73e261a
--- /dev/null
+++ b/lib/widget/hline.c
@@ -0,0 +1,194 @@
+/*
+   Widgets for the Midnight Commander
+
+   Copyright (C) 1994-2023
+   Free Software Foundation, Inc.
+
+   Authors:
+   Radek Doulik, 1994, 1995
+   Miguel de Icaza, 1994, 1995
+   Jakub Jelinek, 1995
+   Andrej Borsenkow, 1996
+   Norbert Warmuth, 1997
+   Andrew Borodin <aborodin@vmail.ru>, 2009-2022
+
+   This file is part of the Midnight Commander.
+
+   The Midnight Commander is free software: you can redistribute it
+   and/or modify it under the terms of the GNU General Public License as
+   published by the Free Software Foundation, either version 3 of the License,
+   or (at your option) any later version.
+
+   The Midnight Commander is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/** \file hline.c
+ *  \brief Source: WHLine widget (horizontal line)
+ */
+
+#include <config.h>
+
+#include <stdarg.h>
+#include <stdlib.h>
+
+#include "lib/global.h"
+#include "lib/tty/tty.h"
+#include "lib/tty/color.h"
+#include "lib/skin.h"
+#include "lib/strutil.h"
+#include "lib/widget.h"
+
+/*** global variables ****************************************************************************/
+
+/*** file scope macro definitions ****************************************************************/
+
+/*** file scope type declarations ****************************************************************/
+
+/*** forward declarations (file scope functions) *************************************************/
+
+/*** file scope variables ************************************************************************/
+
+/* --------------------------------------------------------------------------------------------- */
+/*** file scope functions ************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+static void
+hline_adjust_cols (WHLine * l)
+{
+    if (l->auto_adjust_cols)
+    {
+        Widget *wl = WIDGET (l);
+        const Widget *o = CONST_WIDGET (wl->owner);
+        WRect *w = &wl->rect;
+        const WRect *wo = &o->rect;
+
+        if (CONST_DIALOG (o)->compact)
+        {
+            w->x = wo->x;
+            w->cols = wo->cols;
+        }
+        else
+        {
+            w->x = wo->x + 1;
+            w->cols = wo->cols - 2;
+        }
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+static cb_ret_t
+hline_callback (Widget * w, Widget * sender, widget_msg_t msg, int parm, void *data)
+{
+    WHLine *l = HLINE (w);
+
+    switch (msg)
+    {
+    case MSG_INIT:
+        hline_adjust_cols (l);
+        return MSG_HANDLED;
+
+    case MSG_RESIZE:
+        hline_adjust_cols (l);
+        w->rect.y = RECT (data)->y;
+        return MSG_HANDLED;
+
+    case MSG_DRAW:
+        if (l->transparent)
+            tty_setcolor (DEFAULT_COLOR);
+        else
+        {
+            const int *colors;
+
+            colors = widget_get_colors (w);
+            tty_setcolor (colors[DLG_COLOR_NORMAL]);
+        }
+
+        tty_draw_hline (w->rect.y, w->rect.x + 1, ACS_HLINE, w->rect.cols - 2);
+
+        if (l->auto_adjust_cols)
+        {
+            widget_gotoyx (w, 0, 0);
+            tty_print_alt_char (ACS_LTEE, FALSE);
+            widget_gotoyx (w, 0, w->rect.cols - 1);
+            tty_print_alt_char (ACS_RTEE, FALSE);
+        }
+
+        if (l->text != NULL)
+        {
+            int text_width;
+
+            text_width = str_term_width1 (l->text);
+            widget_gotoyx (w, 0, (w->rect.cols - text_width) / 2);
+            tty_print_string (l->text);
+        }
+        return MSG_HANDLED;
+
+    case MSG_DESTROY:
+        g_free (l->text);
+        return MSG_HANDLED;
+
+    default:
+        return widget_default_callback (w, sender, msg, parm, data);
+    }
+}
+
+/* --------------------------------------------------------------------------------------------- */
+/*** public functions ****************************************************************************/
+/* --------------------------------------------------------------------------------------------- */
+
+WHLine *
+hline_new (int y, int x, int width)
+{
+    WRect r = { y, x, 1, width };
+    WHLine *l;
+    Widget *w;
+
+    l = g_new (WHLine, 1);
+    w = WIDGET (l);
+    r.cols = width < 0 ? 1 : width;
+    widget_init (w, &r, hline_callback, NULL);
+    l->text = NULL;
+    l->auto_adjust_cols = (width < 0);
+    l->transparent = FALSE;
+
+    return l;
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+hline_set_text (WHLine * l, const char *text)
+{
+    g_free (l->text);
+
+    if (text == NULL || *text == '\0')
+        l->text = NULL;
+    else
+        l->text = g_strdup (text);
+
+    widget_draw (WIDGET (l));
+}
+
+/* --------------------------------------------------------------------------------------------- */
+
+void
+hline_set_textv (WHLine * l, const char *format, ...)
+{
+    va_list args;
+    char buf[BUF_1K];           /* FIXME: is it enough? */
+
+    va_start (args, format);
+    g_vsnprintf (buf, sizeof (buf), format, args);
+    va_end (args);
+
+    hline_set_text (l, buf);
+}
+
+/* --------------------------------------------------------------------------------------------- */