summaryrefslogtreecommitdiffstats
path: root/lib/widget/hline.c
diff options
context:
space:
mode:
Diffstat (limited to 'lib/widget/hline.c')
-rw-r--r--lib/widget/hline.c194
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);
+}
+
+/* --------------------------------------------------------------------------------------------- */