Adding upstream version 3:4.8.29.upstream/3%4.8.29upstream

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

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