netsurf/gtk/gtk_selection.c

116 lines
3.1 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 "utils/log.h"
#include "desktop/gui.h"
#include "desktop/textinput.h"
#include "desktop/selection.h"
#include "desktop/browser.h"
#include "gtk/gtk_selection.h"
#include "gtk/gtk_window.h"
#include "utils/utf8.h"
static GString *current_selection = NULL;
static GtkClipboard *clipboard;
static bool copy_handler(const char *text, size_t length, struct box *box,
void *handle, const char *whitespace_text,
size_t whitespace_length);
bool gui_add_to_clipboard(const char *text, size_t length, bool space)
{
/* add the text from this box */
current_selection = g_string_append_len (current_selection,
text, length);
if (space) g_string_append (current_selection, " ");
return true;
}
bool copy_handler(const char *text, size_t length, struct box *box,
void *handle, const char *whitespace_text,
size_t whitespace_length)
{
/* add any whitespace which precedes the text from this box */
if (whitespace_text) {
if (!gui_add_to_clipboard(whitespace_text,
whitespace_length, false)) {
return false;
}
}
/* add the text from this box */
if (!gui_add_to_clipboard(text, length, box->space))
return false;
return true;
}
bool gui_copy_to_clipboard(struct selection *s)
{
clipboard = gtk_clipboard_get (GDK_SELECTION_CLIPBOARD);
if (s->defined && selection_traverse(s, copy_handler, NULL))
gui_commit_clipboard();
return TRUE;
}
void gui_start_selection(struct gui_window *g)
{
if (current_selection == NULL)
current_selection = g_string_new(NULL);
else
g_string_set_size(current_selection, 0);
gtk_widget_grab_focus(GTK_WIDGET(nsgtk_window_get_layout(g)));
}
void gui_paste_from_clipboard(struct gui_window *g, int x, int y)
{
gchar *text;
clipboard = gtk_clipboard_get (GDK_SELECTION_CLIPBOARD);
text = gtk_clipboard_wait_for_text (clipboard);
/* clipboard_wait... converts the string to utf8 for us */
if (text != NULL)
browser_window_paste_text(gui_window_get_browser_window(g),
text, strlen(text), true);
g_free(text);
}
bool gui_empty_clipboard(void)
{
if (!current_selection)
current_selection = g_string_new(NULL);
else
g_string_set_size(current_selection, 0);
return true;
}
bool gui_commit_clipboard(void)
{
clipboard = gtk_clipboard_get(GDK_SELECTION_CLIPBOARD);
gtk_clipboard_set_text(clipboard, current_selection->str, -1);
gui_empty_clipboard();
return true;
}