/* 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); } /* --------------------------------------------------------------------------------------------- */