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/*
* Copyright (C) 2012-2025 Robin Haberkorn
*
* This program 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.
*
* This program 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/>.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <stdarg.h>
#include <string.h>
#include <stdio.h>
#include <glib.h>
#include <glib/gprintf.h>
#include <glib/gstdio.h>
#include <Scintilla.h>
#include "sciteco.h"
#include "string-utils.h"
#include "undo.h"
#include "view.h"
#include "interface.h"
//#define DEBUG
/** minimum level of messages to print to stdout/stderr */
teco_msg_t teco_interface_msg_level = TECO_MSG_USER;
teco_view_t *teco_interface_current_view = NULL;
TECO_DEFINE_UNDO_CALL(teco_interface_show_view, teco_view_t *);
TECO_DEFINE_UNDO_CALL(teco_interface_ssm, unsigned int, uptr_t, sptr_t);
TECO_DEFINE_UNDO_CALL(teco_interface_info_update_qreg, const teco_qreg_t *);
TECO_DEFINE_UNDO_CALL(teco_interface_info_update_buffer, const teco_buffer_t *);
/** Last mouse event */
teco_mouse_t teco_mouse = {0};
typedef struct {
teco_string_t str;
gchar name[];
} teco_undo_set_clipboard_t;
static void
teco_undo_set_clipboard_action(teco_undo_set_clipboard_t *ctx, gboolean run)
{
if (run)
teco_interface_set_clipboard(ctx->name, ctx->str.data, ctx->str.len, NULL);
teco_string_clear(&ctx->str);
}
/**
* Set the clipboard upon rubout.
*
* This passes ownership of the clipboard content string
* to the undo token object.
*/
void
teco_interface_undo_set_clipboard(const gchar *name, gchar *str, gsize len)
{
teco_undo_set_clipboard_t *ctx;
ctx = teco_undo_push_size((teco_undo_action_t)teco_undo_set_clipboard_action,
sizeof(*ctx) + strlen(name) + 1);
if (ctx) {
ctx->str.data = str;
ctx->str.len = len;
strcpy(ctx->name, name);
} else {
g_free(str);
}
}
void
teco_interface_msg(teco_msg_t type, const gchar *fmt, ...)
{
va_list ap;
va_start(ap, fmt);
g_autofree gchar *buf = g_strdup_vprintf(fmt, ap);
va_end(ap);
teco_interface_msg_literal(type, buf, strlen(buf));
}
/**
* Print a raw message to the appropriate stdio streams.
*
* This deliberately does not echo (i.e. escape non-printable characters)
* the string. Either they are supposed to be written verbatim
* (TECO_MSG_USER) or are already echoed.
* Everything higher than TECO_MSG_USER is also terminated by LF.
*
* @fixme TECO_MSG_USER could always be flushed.
* This however makes the message disappear, though.
* We might also want to put flushing under control of the language instead.
*/
void
teco_interface_stdio_msg(teco_msg_t type, const gchar *str, gsize len)
{
/* "user"-level messages are always printed */
if (type != TECO_MSG_USER && type < teco_interface_msg_level)
return;
switch (type) {
case TECO_MSG_USER:
fwrite(str, 1, len, stdout);
//fflush(stdout);
break;
case TECO_MSG_INFO:
g_fprintf(stdout, "Info: %.*s\n", (gint)len, str);
break;
case TECO_MSG_WARNING:
g_fprintf(stderr, "Warning: %.*s\n", (gint)len, str);
break;
case TECO_MSG_ERROR:
g_fprintf(stderr, "Error: %.*s\n", (gint)len, str);
break;
}
}
/**
* Get character from stdin.
*
* @param widechar If TRUE reads one glyph encoded in UTF-8.
* If FALSE, returns exactly one byte.
* @return Codepoint or -1 in case of EOF.
*/
teco_int_t
teco_interface_stdio_getch(gboolean widechar)
{
gchar buf[4];
gint i = 0;
gint32 cp;
do {
if (G_UNLIKELY(fread(buf+i, 1, 1, stdin) < 1))
return -1; /* EOF */
if (!widechar || !buf[i])
return (guchar)buf[i];
/* doesn't work as expected when passed a null byte */
cp = g_utf8_get_char_validated(buf, ++i);
if (i >= sizeof(buf) || cp != -2)
i = 0;
} while (cp < 0);
return cp;
}
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