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/*
* Copyright 2012 Michael Drake <tlsa@netsurf-browser.org>
*
* This file is part of NetSurf, http://www.netsurf-browser.org/
*
* NetSurf 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; version 2 of the License.
*
* NetSurf 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
* nsfb internal clipboard handling
*/
#include <assert.h>
#include <stdint.h>
#include <string.h>
#include "desktop/browser.h"
#include "desktop/gui.h"
#include "framebuffer/gui.h"
#include "framebuffer/clipboard.h"
#include "utils/log.h"
static struct gui_clipboard {
char *buffer;
size_t buffer_len;
size_t length;
} gui_clipboard;
/**
* Core asks front end for clipboard contents.
*
* \param buffer UTF-8 text, allocated by front end, ownership yeilded to core
* \param length Byte length of UTF-8 text in buffer
*/
void gui_get_clipboard(char **buffer, size_t *length)
{
*buffer = NULL;
*length = 0;
if (gui_clipboard.length > 0) {
assert(gui_clipboard.buffer != NULL);
LOG(("Pasting %i bytes: \"%s\"\n", gui_clipboard.length,
gui_clipboard.buffer));
*buffer = malloc(gui_clipboard.length);
if (*buffer != NULL) {
memcpy(*buffer, gui_clipboard.buffer,
gui_clipboard.length);
*length = gui_clipboard.length;
}
}
}
/**
* Core tells front end to put given text in clipboard
*
* \param buffer UTF-8 text, owned by core
* \param length Byte length of UTF-8 text in buffer
* \param styles Array of styles given to text runs, owned by core, or NULL
* \param n_styles Number of text run styles in array
*/
void gui_set_clipboard(const char *buffer, size_t length,
nsclipboard_styles styles[], int n_styles)
{
if (gui_clipboard.buffer_len < length + 1) {
/* Make buffer big enough */
char *new_buff;
new_buff = realloc(gui_clipboard.buffer, length + 1);
if (new_buff == NULL)
return;
gui_clipboard.buffer = new_buff;
gui_clipboard.buffer_len = length + 1;
}
gui_clipboard.length = 0;
memcpy(gui_clipboard.buffer, buffer, length);
gui_clipboard.length = length;
gui_clipboard.buffer[gui_clipboard.length] = '\0';
}
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