netsurf/frontends/gtk/selection.c

98 lines
2.5 KiB
C

/*
* Copyright 2008 Mike Lester <element3260@gmail.com>
*
* 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/>.
*/
#include <string.h>
#include <gtk/gtk.h>
#include <stdlib.h>
#include "utils/log.h"
#include "netsurf/browser_window.h"
#include "netsurf/clipboard.h"
#include "gtk/toolbar_items.h"
#include "gtk/window.h"
static GString *current_selection = NULL;
static GtkClipboard *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)
{
gchar *gtext;
*buffer = NULL;
*length = 0;
/* get clipboard contents from gtk */
clipboard = gtk_clipboard_get(GDK_SELECTION_CLIPBOARD);
gtext = gtk_clipboard_wait_for_text(clipboard); /* conv to utf-8 */
if (gtext == NULL)
return;
*length = strlen(gtext);
*buffer = malloc(*length);
if (*buffer == NULL) {
*length = 0;
g_free(gtext);
return;
}
memcpy(*buffer, gtext, *length);
g_free(gtext);
}
/**
* 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)
{
clipboard = gtk_clipboard_get(GDK_SELECTION_CLIPBOARD);
if (!current_selection)
current_selection = g_string_new(NULL);
else
g_string_set_size(current_selection, 0);
current_selection = g_string_append_len(current_selection,
buffer, length);
gtk_clipboard_set_text(clipboard, current_selection->str, -1);
}
static struct gui_clipboard_table clipboard_table = {
.get = gui_get_clipboard,
.set = gui_set_clipboard,
};
struct gui_clipboard_table *nsgtk_clipboard_table = &clipboard_table;