netsurf/cocoa/selection.m
Sven Weidauer 7bd51ba0ba Implementing selection and clipboard functions.
svn path=/trunk/netsurf/; revision=11319
2011-01-14 17:50:11 +00:00

96 lines
2.7 KiB
Objective-C

/*
* Copyright 2011 Sven Weidauer <sven.weidauer@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/>.
*/
#import <Cocoa/Cocoa.h>
#import "BrowserWindow.h"
#import "desktop/selection.h"
static NSMutableString *cocoa_clipboard_string;
void gui_start_selection(struct gui_window *g)
{
gui_empty_clipboard();
}
void gui_clear_selection(struct gui_window *g)
{
}
void gui_paste_from_clipboard(struct gui_window *g, int x, int y)
{
NSPasteboard *pb = [NSPasteboard generalPasteboard];
NSString *string = [pb stringForType: NSStringPboardType];
if (string) {
const char *text = [string UTF8String];
browser_window_paste_text( [(BrowserWindow *)g browser], text, strlen(text), true );
}
}
bool gui_empty_clipboard(void)
{
if (nil == cocoa_clipboard_string) {
cocoa_clipboard_string = [[NSMutableString alloc] init];
} else {
[cocoa_clipboard_string setString: @""];
}
return true;
}
bool gui_add_to_clipboard(const char *text, size_t length, bool space)
{
if (nil == cocoa_clipboard_string) return false;
[cocoa_clipboard_string appendString: [[[NSString alloc] initWithBytes: text
length: length
encoding: NSUTF8StringEncoding]
autorelease]];
if (space) [cocoa_clipboard_string appendString: @" "];
return true;
}
static bool cocoa_clipboard_copy_handler(const char *text, size_t length, struct box *box,
void *handle, const char *whitespace_text,
size_t whitespace_length)
{
if (whitespace_text && !gui_add_to_clipboard( whitespace_text,
whitespace_length, false )) return false;
return gui_add_to_clipboard( text, length, box->space );
}
bool gui_commit_clipboard(void)
{
NSPasteboard *pb = [NSPasteboard generalPasteboard];
[pb declareTypes: [NSArray arrayWithObject: NSStringPboardType] owner: nil];
bool result = [pb setString: cocoa_clipboard_string forType: NSStringPboardType];
if (result) gui_empty_clipboard();
return result;
}
bool gui_copy_to_clipboard(struct selection *s)
{
if (selection_defined( s ) && selection_traverse( s, cocoa_clipboard_copy_handler, NULL ))
gui_commit_clipboard();
return true;
}