106 lines
2.7 KiB
C
106 lines
2.7 KiB
C
/*
|
|
* 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 <stdlib.h>
|
|
|
|
#include "utils/log.h"
|
|
#include "desktop/browser.h"
|
|
#include "desktop/gui.h"
|
|
|
|
#include "framebuffer/gui.h"
|
|
#include "framebuffer/clipboard.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
|
|
*/
|
|
static 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
|
|
*/
|
|
static 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';
|
|
}
|
|
|
|
static struct gui_clipboard_table clipboard_table = {
|
|
.get = gui_get_clipboard,
|
|
.set = gui_set_clipboard,
|
|
};
|
|
|
|
struct gui_clipboard_table *framebuffer_clipboard_table = &clipboard_table;
|