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Diffstat (limited to 'lib/widget/frame.c')
| -rw-r--r-- | lib/widget/frame.c | 162 |
1 files changed, 162 insertions, 0 deletions
diff --git a/lib/widget/frame.c b/lib/widget/frame.c new file mode 100644 index 0000000..02f3b36 --- /dev/null +++ b/lib/widget/frame.c @@ -0,0 +1,162 @@ +/* + Widgets for the Midnight Commander + + Copyright (C) 2020-2022 + The Free Software Foundation, Inc. + + Authors: + Andrew Borodin <aborodin@vmail.ru>, 2020-2022 + + 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 frame.c + * \brief Source: WFrame widget (frame of dialogs) + */ + +#include <config.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/util.h" /* MC_PTR_FREE */ +#include "lib/widget.h" + +/*** global variables ****************************************************************************/ + +/*** file scope macro definitions ****************************************************************/ + +/*** file scope type declarations ****************************************************************/ + +/*** file scope variables ************************************************************************/ + +/* --------------------------------------------------------------------------------------------- */ +/*** file scope functions ************************************************************************/ +/* --------------------------------------------------------------------------------------------- */ + +static void +frame_adjust (WFrame * f) +{ + Widget *w = WIDGET (f); + + w->rect = WIDGET (w->owner)->rect; + w->pos_flags |= WPOS_KEEP_ALL; +} + +/* --------------------------------------------------------------------------------------------- */ + +static void +frame_draw (const WFrame * f) +{ + const Widget *wf = CONST_WIDGET (f); + const WRect *w = &wf->rect; + int d = f->compact ? 0 : 1; + const int *colors; + + colors = widget_get_colors (wf); + + if (mc_global.tty.shadows) + tty_draw_box_shadow (w->y, w->x, w->lines, w->cols, SHADOW_COLOR); + + tty_setcolor (colors[FRAME_COLOR_NORMAL]); + tty_fill_region (w->y, w->x, w->lines, w->cols, ' '); + tty_draw_box (w->y + d, w->x + d, w->lines - 2 * d, w->cols - 2 * d, f->single); + + if (f->title != NULL) + { + /* TODO: truncate long title */ + tty_setcolor (colors[FRAME_COLOR_TITLE]); + widget_gotoyx (f, d, (w->cols - str_term_width1 (f->title)) / 2); + tty_print_string (f->title); + } +} + +/* --------------------------------------------------------------------------------------------- */ +/*** public functions ****************************************************************************/ +/* --------------------------------------------------------------------------------------------- */ + +WFrame * +frame_new (int y, int x, int lines, int cols, const char *title, gboolean single, gboolean compact) +{ + WRect r = { y, x, lines, cols }; + WFrame *f; + Widget *w; + + f = g_new (WFrame, 1); + w = WIDGET (f); + widget_init (w, &r, frame_callback, NULL); + + f->single = single; + f->compact = compact; + + f->title = NULL; + frame_set_title (f, title); + + return f; +} + +/* --------------------------------------------------------------------------------------------- */ + +cb_ret_t +frame_callback (Widget * w, Widget * sender, widget_msg_t msg, int parm, void *data) +{ + WFrame *f = FRAME (w); + + switch (msg) + { + case MSG_INIT: + frame_adjust (f); + return MSG_HANDLED; + + case MSG_DRAW: + frame_draw (f); + return MSG_HANDLED; + + case MSG_DESTROY: + g_free (f->title); + return MSG_HANDLED; + + default: + return widget_default_callback (w, sender, msg, parm, data); + } +} + +/* --------------------------------------------------------------------------------------------- */ + +void +frame_set_title (WFrame * f, const char *title) +{ + MC_PTR_FREE (f->title); + + /* Strip existing spaces, add one space before and after the title */ + if (title != NULL && *title != '\0') + { + char *t; + + t = g_strstrip (g_strdup (title)); + if (*t != '\0') + f->title = g_strdup_printf (" %s ", t); + g_free (t); + } + + widget_draw (WIDGET (f)); +} + +/* --------------------------------------------------------------------------------------------- */ |