mirror of
https://github.com/netsurf-browser/netsurf
synced 2024-11-22 14:31:20 +03:00
95b8d12950
This allows clipboard to operate (cut, copy, paste and delete) in the win32 front end. The clipboard is set and read in windows unicode mode and then converted to/from utf-8 for the browser core.
132 lines
3.2 KiB
C
132 lines
3.2 KiB
C
/*
|
|
* Copyright 2019 Vincent Sanders <vince@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
|
|
* win32 clipboard implementation.
|
|
*/
|
|
|
|
#include <windows.h>
|
|
|
|
#include "utils/log.h"
|
|
#include "netsurf/clipboard.h"
|
|
|
|
#include "windows/clipboard.h"
|
|
|
|
/**
|
|
* 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)
|
|
{
|
|
HANDLE clipboard_handle;
|
|
wchar_t *content;
|
|
|
|
if (OpenClipboard(NULL)) {
|
|
clipboard_handle = GetClipboardData(CF_UNICODETEXT);
|
|
if (clipboard_handle != NULL) {
|
|
content = GlobalLock(clipboard_handle);
|
|
if (content != NULL) {
|
|
int required_len;
|
|
size_t content_len;
|
|
|
|
content_len = wcslen(content);
|
|
|
|
/* compute length */
|
|
required_len = WideCharToMultiByte(
|
|
CP_UTF8,
|
|
WC_NO_BEST_FIT_CHARS,
|
|
content,
|
|
content_len,
|
|
NULL,
|
|
0,
|
|
NULL,
|
|
NULL);
|
|
/* allocate buffer and do conversion */
|
|
*buffer = malloc(required_len);
|
|
*length = WideCharToMultiByte(
|
|
CP_UTF8,
|
|
WC_NO_BEST_FIT_CHARS,
|
|
content,
|
|
content_len,
|
|
*buffer,
|
|
required_len,
|
|
NULL,
|
|
NULL);
|
|
|
|
GlobalUnlock(clipboard_handle);
|
|
}
|
|
}
|
|
CloseClipboard();
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* 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)
|
|
{
|
|
HGLOBAL hglbCopy;
|
|
wchar_t *content; /* clipboard content */
|
|
int content_len; /* characters in content */
|
|
|
|
if (OpenClipboard(NULL)) {
|
|
EmptyClipboard();
|
|
content_len = MultiByteToWideChar(CP_UTF8,
|
|
MB_PRECOMPOSED,
|
|
buffer, length,
|
|
NULL, 0);
|
|
|
|
hglbCopy = GlobalAlloc(GMEM_MOVEABLE,
|
|
((content_len + 1) * sizeof(wchar_t)));
|
|
if (hglbCopy != NULL) {
|
|
content = GlobalLock(hglbCopy);
|
|
MultiByteToWideChar(CP_UTF8,
|
|
MB_PRECOMPOSED,
|
|
buffer, length,
|
|
content, content_len);
|
|
content[content_len] = 0; /* null terminate */
|
|
|
|
GlobalUnlock(hglbCopy);
|
|
SetClipboardData(CF_UNICODETEXT, hglbCopy);
|
|
}
|
|
CloseClipboard();
|
|
}
|
|
}
|
|
|
|
|
|
|
|
static struct gui_clipboard_table clipboard_table = {
|
|
.get = gui_get_clipboard,
|
|
.set = gui_set_clipboard,
|
|
};
|
|
|
|
struct gui_clipboard_table *win32_clipboard_table = &clipboard_table;
|