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/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the plugins of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL21$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see http://www.qt.io/terms-conditions. For further
** information use the contact form at http://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** As a special exception, The Qt Company gives you certain additional
** rights. These rights are described in The Qt Company LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "qxcbcursor.h"
#include "qxcbconnection.h"
#include "qxcbwindow.h"
#include "qxcbimage.h"
#include "qxcbxsettings.h"
#include <QtCore/QLibrary>
#include <QtGui/QWindow>
#include <QtGui/QBitmap>
#include <QtGui/private/qguiapplication_p.h>
#include <X11/cursorfont.h>
#include <xcb/xfixes.h>
#include <xcb/xcb_image.h>
QT_BEGIN_NAMESPACE
typedef int (*PtrXcursorLibraryLoadCursor)(void *, const char *);
typedef char *(*PtrXcursorLibraryGetTheme)(void *);
typedef int (*PtrXcursorLibrarySetTheme)(void *, const char *);
typedef int (*PtrXcursorLibraryGetDefaultSize)(void *);
#if defined(XCB_USE_XLIB) && !defined(QT_NO_LIBRARY)
#include <X11/Xlib.h>
enum {
XCursorShape = CursorShape
};
#undef CursorShape
static PtrXcursorLibraryLoadCursor ptrXcursorLibraryLoadCursor = 0;
static PtrXcursorLibraryGetTheme ptrXcursorLibraryGetTheme = 0;
static PtrXcursorLibrarySetTheme ptrXcursorLibrarySetTheme = 0;
static PtrXcursorLibraryGetDefaultSize ptrXcursorLibraryGetDefaultSize = 0;
#endif
static xcb_font_t cursorFont = 0;
static int cursorCount = 0;
static uint8_t cur_blank_bits[] = {
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
static const uint8_t cur_ver_bits[] = {
0x00, 0x00, 0x00, 0x00, 0x80, 0x01, 0xc0, 0x03, 0xe0, 0x07, 0xf0, 0x0f,
0x80, 0x01, 0x80, 0x01, 0x80, 0x01, 0x80, 0x01, 0x80, 0x01, 0xf0, 0x0f,
0xe0, 0x07, 0xc0, 0x03, 0x80, 0x01, 0x00, 0x00 };
static const uint8_t mcur_ver_bits[] = {
0x00, 0x00, 0x80, 0x03, 0xc0, 0x07, 0xe0, 0x0f, 0xf0, 0x1f, 0xf8, 0x3f,
0xfc, 0x7f, 0xc0, 0x07, 0xc0, 0x07, 0xc0, 0x07, 0xfc, 0x7f, 0xf8, 0x3f,
0xf0, 0x1f, 0xe0, 0x0f, 0xc0, 0x07, 0x80, 0x03 };
static const uint8_t cur_hor_bits[] = {
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x20, 0x08, 0x30, 0x18,
0x38, 0x38, 0xfc, 0x7f, 0xfc, 0x7f, 0x38, 0x38, 0x30, 0x18, 0x20, 0x08,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
static const uint8_t mcur_hor_bits[] = {
0x00, 0x00, 0x00, 0x00, 0x40, 0x04, 0x60, 0x0c, 0x70, 0x1c, 0x78, 0x3c,
0xfc, 0x7f, 0xfe, 0xff, 0xfe, 0xff, 0xfe, 0xff, 0xfc, 0x7f, 0x78, 0x3c,
0x70, 0x1c, 0x60, 0x0c, 0x40, 0x04, 0x00, 0x00 };
static const uint8_t cur_bdiag_bits[] = {
0x00, 0x00, 0x00, 0x00, 0x00, 0x3f, 0x00, 0x3e, 0x00, 0x3c, 0x00, 0x3e,
0x00, 0x37, 0x88, 0x23, 0xd8, 0x01, 0xf8, 0x00, 0x78, 0x00, 0xf8, 0x00,
0xf8, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
static const uint8_t mcur_bdiag_bits[] = {
0x00, 0x00, 0xc0, 0x7f, 0x80, 0x7f, 0x00, 0x7f, 0x00, 0x7e, 0x04, 0x7f,
0x8c, 0x7f, 0xdc, 0x77, 0xfc, 0x63, 0xfc, 0x41, 0xfc, 0x00, 0xfc, 0x01,
0xfc, 0x03, 0xfc, 0x07, 0x00, 0x00, 0x00, 0x00 };
static const uint8_t cur_fdiag_bits[] = {
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf8, 0x01, 0xf8, 0x00, 0x78, 0x00,
0xf8, 0x00, 0xd8, 0x01, 0x88, 0x23, 0x00, 0x37, 0x00, 0x3e, 0x00, 0x3c,
0x00, 0x3e, 0x00, 0x3f, 0x00, 0x00, 0x00, 0x00 };
static const uint8_t mcur_fdiag_bits[] = {
0x00, 0x00, 0x00, 0x00, 0xfc, 0x07, 0xfc, 0x03, 0xfc, 0x01, 0xfc, 0x00,
0xfc, 0x41, 0xfc, 0x63, 0xdc, 0x77, 0x8c, 0x7f, 0x04, 0x7f, 0x00, 0x7e,
0x00, 0x7f, 0x80, 0x7f, 0xc0, 0x7f, 0x00, 0x00 };
static const uint8_t *cursor_bits16[] = {
cur_ver_bits, mcur_ver_bits, cur_hor_bits, mcur_hor_bits,
cur_bdiag_bits, mcur_bdiag_bits, cur_fdiag_bits, mcur_fdiag_bits,
0, 0, cur_blank_bits, cur_blank_bits };
static const uint8_t vsplit_bits[] = {
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x80, 0x00, 0x00, 0x00, 0xc0, 0x01, 0x00, 0x00, 0xe0, 0x03, 0x00,
0x00, 0x80, 0x00, 0x00, 0x00, 0x80, 0x00, 0x00, 0x00, 0x80, 0x00, 0x00,
0x00, 0x80, 0x00, 0x00, 0x00, 0x80, 0x00, 0x00, 0x00, 0xff, 0x7f, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0x7f, 0x00,
0x00, 0x80, 0x00, 0x00, 0x00, 0x80, 0x00, 0x00, 0x00, 0x80, 0x00, 0x00,
0x00, 0x80, 0x00, 0x00, 0x00, 0x80, 0x00, 0x00, 0x00, 0xe0, 0x03, 0x00,
0x00, 0xc0, 0x01, 0x00, 0x00, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
static const uint8_t vsplitm_bits[] = {
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x00, 0x00,
0x00, 0xc0, 0x01, 0x00, 0x00, 0xe0, 0x03, 0x00, 0x00, 0xf0, 0x07, 0x00,
0x00, 0xf8, 0x0f, 0x00, 0x00, 0xc0, 0x01, 0x00, 0x00, 0xc0, 0x01, 0x00,
0x00, 0xc0, 0x01, 0x00, 0x80, 0xff, 0xff, 0x00, 0x80, 0xff, 0xff, 0x00,
0x80, 0xff, 0xff, 0x00, 0x80, 0xff, 0xff, 0x00, 0x80, 0xff, 0xff, 0x00,
0x80, 0xff, 0xff, 0x00, 0x00, 0xc0, 0x01, 0x00, 0x00, 0xc0, 0x01, 0x00,
0x00, 0xc0, 0x01, 0x00, 0x00, 0xf8, 0x0f, 0x00, 0x00, 0xf0, 0x07, 0x00,
0x00, 0xe0, 0x03, 0x00, 0x00, 0xc0, 0x01, 0x00, 0x00, 0x80, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
static const uint8_t hsplit_bits[] = {
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0x02, 0x00, 0x00, 0x40, 0x02, 0x00,
0x00, 0x40, 0x02, 0x00, 0x00, 0x40, 0x02, 0x00, 0x00, 0x40, 0x02, 0x00,
0x00, 0x41, 0x82, 0x00, 0x80, 0x41, 0x82, 0x01, 0xc0, 0x7f, 0xfe, 0x03,
0x80, 0x41, 0x82, 0x01, 0x00, 0x41, 0x82, 0x00, 0x00, 0x40, 0x02, 0x00,
0x00, 0x40, 0x02, 0x00, 0x00, 0x40, 0x02, 0x00, 0x00, 0x40, 0x02, 0x00,
0x00, 0x40, 0x02, 0x00, 0x00, 0x40, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
static const uint8_t hsplitm_bits[] = {
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0xe0, 0x07, 0x00, 0x00, 0xe0, 0x07, 0x00, 0x00, 0xe0, 0x07, 0x00,
0x00, 0xe0, 0x07, 0x00, 0x00, 0xe2, 0x47, 0x00, 0x00, 0xe3, 0xc7, 0x00,
0x80, 0xe3, 0xc7, 0x01, 0xc0, 0xff, 0xff, 0x03, 0xe0, 0xff, 0xff, 0x07,
0xc0, 0xff, 0xff, 0x03, 0x80, 0xe3, 0xc7, 0x01, 0x00, 0xe3, 0xc7, 0x00,
0x00, 0xe2, 0x47, 0x00, 0x00, 0xe0, 0x07, 0x00, 0x00, 0xe0, 0x07, 0x00,
0x00, 0xe0, 0x07, 0x00, 0x00, 0xe0, 0x07, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
static const uint8_t whatsthis_bits[] = {
0x01, 0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0x00, 0x05, 0xf0, 0x07, 0x00,
0x09, 0x18, 0x0e, 0x00, 0x11, 0x1c, 0x0e, 0x00, 0x21, 0x1c, 0x0e, 0x00,
0x41, 0x1c, 0x0e, 0x00, 0x81, 0x1c, 0x0e, 0x00, 0x01, 0x01, 0x07, 0x00,
0x01, 0x82, 0x03, 0x00, 0xc1, 0xc7, 0x01, 0x00, 0x49, 0xc0, 0x01, 0x00,
0x95, 0xc0, 0x01, 0x00, 0x93, 0xc0, 0x01, 0x00, 0x21, 0x01, 0x00, 0x00,
0x20, 0xc1, 0x01, 0x00, 0x40, 0xc2, 0x01, 0x00, 0x40, 0x02, 0x00, 0x00,
0x80, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, };
static const uint8_t whatsthism_bits[] = {
0x01, 0x00, 0x00, 0x00, 0x03, 0xf0, 0x07, 0x00, 0x07, 0xf8, 0x0f, 0x00,
0x0f, 0xfc, 0x1f, 0x00, 0x1f, 0x3e, 0x1f, 0x00, 0x3f, 0x3e, 0x1f, 0x00,
0x7f, 0x3e, 0x1f, 0x00, 0xff, 0x3e, 0x1f, 0x00, 0xff, 0x9d, 0x0f, 0x00,
0xff, 0xc3, 0x07, 0x00, 0xff, 0xe7, 0x03, 0x00, 0x7f, 0xe0, 0x03, 0x00,
0xf7, 0xe0, 0x03, 0x00, 0xf3, 0xe0, 0x03, 0x00, 0xe1, 0xe1, 0x03, 0x00,
0xe0, 0xe1, 0x03, 0x00, 0xc0, 0xe3, 0x03, 0x00, 0xc0, 0xe3, 0x03, 0x00,
0x80, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, };
static const uint8_t busy_bits[] = {
0x01, 0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0x00, 0x05, 0x00, 0x00, 0x00,
0x09, 0x00, 0x00, 0x00, 0x11, 0x00, 0x00, 0x00, 0x21, 0x00, 0x00, 0x00,
0x41, 0xe0, 0xff, 0x00, 0x81, 0x20, 0x80, 0x00, 0x01, 0xe1, 0xff, 0x00,
0x01, 0x42, 0x40, 0x00, 0xc1, 0x47, 0x40, 0x00, 0x49, 0x40, 0x55, 0x00,
0x95, 0x80, 0x2a, 0x00, 0x93, 0x00, 0x15, 0x00, 0x21, 0x01, 0x0a, 0x00,
0x20, 0x01, 0x11, 0x00, 0x40, 0x82, 0x20, 0x00, 0x40, 0x42, 0x44, 0x00,
0x80, 0x41, 0x4a, 0x00, 0x00, 0x40, 0x55, 0x00, 0x00, 0xe0, 0xff, 0x00,
0x00, 0x20, 0x80, 0x00, 0x00, 0xe0, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
static const uint8_t busym_bits[] = {
0x01, 0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0x00, 0x07, 0x00, 0x00, 0x00,
0x0f, 0x00, 0x00, 0x00, 0x1f, 0x00, 0x00, 0x00, 0x3f, 0x00, 0x00, 0x00,
0x7f, 0xe0, 0xff, 0x00, 0xff, 0xe0, 0xff, 0x00, 0xff, 0xe1, 0xff, 0x00,
0xff, 0xc3, 0x7f, 0x00, 0xff, 0xc7, 0x7f, 0x00, 0x7f, 0xc0, 0x7f, 0x00,
0xf7, 0x80, 0x3f, 0x00, 0xf3, 0x00, 0x1f, 0x00, 0xe1, 0x01, 0x0e, 0x00,
0xe0, 0x01, 0x1f, 0x00, 0xc0, 0x83, 0x3f, 0x00, 0xc0, 0xc3, 0x7f, 0x00,
0x80, 0xc1, 0x7f, 0x00, 0x00, 0xc0, 0x7f, 0x00, 0x00, 0xe0, 0xff, 0x00,
0x00, 0xe0, 0xff, 0x00, 0x00, 0xe0, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
static const uint8_t * const cursor_bits32[] = {
vsplit_bits, vsplitm_bits, hsplit_bits, hsplitm_bits,
0, 0, 0, 0, whatsthis_bits, whatsthism_bits, busy_bits, busym_bits
};
static const uint8_t forbidden_bits[] = {
0x00,0x00,0x00,0x80,0x1f,0x00,0xe0,0x7f,0x00,0xf0,0xf0,0x00,0x38,0xc0,0x01,
0x7c,0x80,0x03,0xec,0x00,0x03,0xce,0x01,0x07,0x86,0x03,0x06,0x06,0x07,0x06,
0x06,0x0e,0x06,0x06,0x1c,0x06,0x0e,0x38,0x07,0x0c,0x70,0x03,0x1c,0xe0,0x03,
0x38,0xc0,0x01,0xf0,0xe0,0x00,0xe0,0x7f,0x00,0x80,0x1f,0x00,0x00,0x00,0x00 };
static const uint8_t forbiddenm_bits[] = {
0x80,0x1f,0x00,0xe0,0x7f,0x00,0xf0,0xff,0x00,0xf8,0xff,0x01,0xfc,0xf0,0x03,
0xfe,0xc0,0x07,0xfe,0x81,0x07,0xff,0x83,0x0f,0xcf,0x07,0x0f,0x8f,0x0f,0x0f,
0x0f,0x1f,0x0f,0x0f,0x3e,0x0f,0x1f,0xfc,0x0f,0x1e,0xf8,0x07,0x3e,0xf0,0x07,
0xfc,0xe0,0x03,0xf8,0xff,0x01,0xf0,0xff,0x00,0xe0,0x7f,0x00,0x80,0x1f,0x00};
static const uint8_t openhand_bits[] = {
0x80,0x01,0x58,0x0e,0x64,0x12,0x64,0x52,0x48,0xb2,0x48,0x92,
0x16,0x90,0x19,0x80,0x11,0x40,0x02,0x40,0x04,0x40,0x04,0x20,
0x08,0x20,0x10,0x10,0x20,0x10,0x00,0x00};
static const uint8_t openhandm_bits[] = {
0x80,0x01,0xd8,0x0f,0xfc,0x1f,0xfc,0x5f,0xf8,0xff,0xf8,0xff,
0xf6,0xff,0xff,0xff,0xff,0x7f,0xfe,0x7f,0xfc,0x7f,0xfc,0x3f,
0xf8,0x3f,0xf0,0x1f,0xe0,0x1f,0x00,0x00};
static const uint8_t closedhand_bits[] = {
0x00,0x00,0x00,0x00,0x00,0x00,0xb0,0x0d,0x48,0x32,0x08,0x50,
0x10,0x40,0x18,0x40,0x04,0x40,0x04,0x20,0x08,0x20,0x10,0x10,
0x20,0x10,0x20,0x10,0x00,0x00,0x00,0x00};
static const uint8_t closedhandm_bits[] = {
0x00,0x00,0x00,0x00,0x00,0x00,0xb0,0x0d,0xf8,0x3f,0xf8,0x7f,
0xf0,0x7f,0xf8,0x7f,0xfc,0x7f,0xfc,0x3f,0xf8,0x3f,0xf0,0x1f,
0xe0,0x1f,0xe0,0x1f,0x00,0x00,0x00,0x00};
static const uint8_t * const cursor_bits20[] = {
forbidden_bits, forbiddenm_bits
};
static const char * const cursorNames[] = {
"left_ptr",
"up_arrow",
"cross",
"wait",
"ibeam",
"size_ver",
"size_hor",
"size_bdiag",
"size_fdiag",
"size_all",
"blank",
"split_v",
"split_h",
"pointing_hand",
"forbidden",
"whats_this",
"left_ptr_watch",
"openhand",
"closedhand",
"copy",
"move",
"link"
};
#ifndef QT_NO_CURSOR
QXcbCursorCacheKey::QXcbCursorCacheKey(const QCursor &c)
: shape(c.shape()), bitmapCacheKey(0), maskCacheKey(0)
{
if (shape == Qt::BitmapCursor) {
const qint64 pixmapCacheKey = c.pixmap().cacheKey();
if (pixmapCacheKey) {
bitmapCacheKey = pixmapCacheKey;
} else {
Q_ASSERT(c.bitmap());
Q_ASSERT(c.mask());
bitmapCacheKey = c.bitmap()->cacheKey();
maskCacheKey = c.mask()->cacheKey();
}
}
}
#endif // !QT_NO_CURSOR
QXcbCursor::QXcbCursor(QXcbConnection *conn, QXcbScreen *screen)
: QXcbObject(conn), m_screen(screen), m_gtkCursorThemeInitialized(false)
{
if (cursorCount++)
return;
cursorFont = xcb_generate_id(xcb_connection());
const char *cursorStr = "cursor";
xcb_open_font(xcb_connection(), cursorFont, strlen(cursorStr), cursorStr);
#if defined(XCB_USE_XLIB) && !defined(QT_NO_LIBRARY)
static bool function_ptrs_not_initialized = true;
if (function_ptrs_not_initialized) {
QLibrary xcursorLib(QLatin1String("Xcursor"), 1);
bool xcursorFound = xcursorLib.load();
if (!xcursorFound) { // try without the version number
xcursorLib.setFileName(QLatin1String("Xcursor"));
xcursorFound = xcursorLib.load();
}
if (xcursorFound) {
ptrXcursorLibraryLoadCursor =
(PtrXcursorLibraryLoadCursor) xcursorLib.resolve("XcursorLibraryLoadCursor");
ptrXcursorLibraryGetTheme =
(PtrXcursorLibraryGetTheme) xcursorLib.resolve("XcursorGetTheme");
ptrXcursorLibrarySetTheme =
(PtrXcursorLibrarySetTheme) xcursorLib.resolve("XcursorSetTheme");
ptrXcursorLibraryGetDefaultSize =
(PtrXcursorLibraryGetDefaultSize) xcursorLib.resolve("XcursorGetDefaultSize");
}
function_ptrs_not_initialized = false;
}
#endif
}
QXcbCursor::~QXcbCursor()
{
xcb_connection_t *conn = xcb_connection();
if (m_gtkCursorThemeInitialized) {
m_screen->xSettings()->removeCallbackForHandle(this);
}
if (!--cursorCount)
xcb_close_font(conn, cursorFont);
foreach (xcb_cursor_t cursor, m_cursorHash)
xcb_free_cursor(conn, cursor);
}
#ifndef QT_NO_CURSOR
void QXcbCursor::changeCursor(QCursor *cursor, QWindow *widget)
{
QXcbWindow *w = 0;
if (widget && widget->handle())
w = static_cast<QXcbWindow *>(widget->handle());
else
// No X11 cursor control when there is no widget under the cursor
return;
xcb_cursor_t c = XCB_CURSOR_NONE;
if (cursor) {
const QXcbCursorCacheKey key(*cursor);
CursorHash::iterator it = m_cursorHash.find(key);
if (it == m_cursorHash.end()) {
const Qt::CursorShape shape = cursor->shape();
it = m_cursorHash.insert(key, shape == Qt::BitmapCursor ? createBitmapCursor(cursor) : createFontCursor(shape));
}
c = it.value();
}
w->setCursor(c);
}
static int cursorIdForShape(int cshape)
{
int cursorId = 0;
switch (cshape) {
case Qt::ArrowCursor:
cursorId = XC_left_ptr;
break;
case Qt::UpArrowCursor:
cursorId = XC_center_ptr;
break;
case Qt::CrossCursor:
cursorId = XC_crosshair;
break;
case Qt::WaitCursor:
cursorId = XC_watch;
break;
case Qt::IBeamCursor:
cursorId = XC_xterm;
break;
case Qt::SizeAllCursor:
cursorId = XC_fleur;
break;
case Qt::PointingHandCursor:
cursorId = XC_hand2;
break;
case Qt::SizeBDiagCursor:
cursorId = XC_top_right_corner;
break;
case Qt::SizeFDiagCursor:
cursorId = XC_bottom_right_corner;
break;
case Qt::SizeVerCursor:
case Qt::SplitVCursor:
cursorId = XC_sb_v_double_arrow;
break;
case Qt::SizeHorCursor:
case Qt::SplitHCursor:
cursorId = XC_sb_h_double_arrow;
break;
case Qt::WhatsThisCursor:
cursorId = XC_question_arrow;
break;
case Qt::ForbiddenCursor:
cursorId = XC_circle;
break;
case Qt::BusyCursor:
cursorId = XC_watch;
break;
default:
break;
}
return cursorId;
}
xcb_cursor_t QXcbCursor::createNonStandardCursor(int cshape)
{
xcb_cursor_t cursor = 0;
xcb_connection_t *conn = xcb_connection();
if (cshape == Qt::BlankCursor) {
xcb_pixmap_t cp = xcb_create_pixmap_from_bitmap_data(conn, m_screen->root(), cur_blank_bits, 16, 16,
1, 0, 0, 0);
xcb_pixmap_t mp = xcb_create_pixmap_from_bitmap_data(conn, m_screen->root(), cur_blank_bits, 16, 16,
1, 0, 0, 0);
cursor = xcb_generate_id(conn);
xcb_create_cursor(conn, cursor, cp, mp, 0, 0, 0, 0xFFFF, 0xFFFF, 0xFFFF, 8, 8);
} else if (cshape >= Qt::SizeVerCursor && cshape < Qt::SizeAllCursor) {
int i = (cshape - Qt::SizeVerCursor) * 2;
xcb_pixmap_t pm = xcb_create_pixmap_from_bitmap_data(conn, m_screen->root(),
const_cast<uint8_t*>(cursor_bits16[i]),
16, 16, 1, 0, 0, 0);
xcb_pixmap_t pmm = xcb_create_pixmap_from_bitmap_data(conn, m_screen->root(),
const_cast<uint8_t*>(cursor_bits16[i + 1]),
16, 16, 1, 0, 0, 0);
cursor = xcb_generate_id(conn);
xcb_create_cursor(conn, cursor, pm, pmm, 0, 0, 0, 0xFFFF, 0xFFFF, 0xFFFF, 8, 8);
} else if ((cshape >= Qt::SplitVCursor && cshape <= Qt::SplitHCursor)
|| cshape == Qt::WhatsThisCursor || cshape == Qt::BusyCursor) {
int i = (cshape - Qt::SplitVCursor) * 2;
xcb_pixmap_t pm = xcb_create_pixmap_from_bitmap_data(conn, m_screen->root(),
const_cast<uint8_t*>(cursor_bits32[i]),
32, 32, 1, 0, 0, 0);
xcb_pixmap_t pmm = xcb_create_pixmap_from_bitmap_data(conn, m_screen->root(),
const_cast<uint8_t*>(cursor_bits32[i + 1]),
32, 32, 1, 0, 0, 0);
int hs = (cshape == Qt::PointingHandCursor || cshape == Qt::WhatsThisCursor
|| cshape == Qt::BusyCursor) ? 0 : 16;
cursor = xcb_generate_id(conn);
xcb_create_cursor(conn, cursor, pm, pmm, 0, 0, 0, 0xFFFF, 0xFFFF, 0xFFFF, hs, hs);
} else if (cshape == Qt::ForbiddenCursor) {
int i = (cshape - Qt::ForbiddenCursor) * 2;
xcb_pixmap_t pm = xcb_create_pixmap_from_bitmap_data(conn, m_screen->root(),
const_cast<uint8_t*>(cursor_bits20[i]),
20, 20, 1, 0, 0, 0);
xcb_pixmap_t pmm = xcb_create_pixmap_from_bitmap_data(conn, m_screen->root(),
const_cast<uint8_t*>(cursor_bits20[i + 1]),
20, 20, 1, 0, 0, 0);
cursor = xcb_generate_id(conn);
xcb_create_cursor(conn, cursor, pm, pmm, 0, 0, 0, 0xFFFF, 0xFFFF, 0xFFFF, 10, 10);
} else if (cshape == Qt::OpenHandCursor || cshape == Qt::ClosedHandCursor) {
bool open = cshape == Qt::OpenHandCursor;
xcb_pixmap_t pm = xcb_create_pixmap_from_bitmap_data(conn, m_screen->root(),
const_cast<uint8_t*>(open ? openhand_bits : closedhand_bits),
16, 16, 1, 0, 0, 0);
xcb_pixmap_t pmm = xcb_create_pixmap_from_bitmap_data(conn, m_screen->root(),
const_cast<uint8_t*>(open ? openhandm_bits : closedhandm_bits),
16, 16, 1, 0, 0, 0);
cursor = xcb_generate_id(conn);
xcb_create_cursor(conn, cursor, pm, pmm, 0, 0, 0, 0xFFFF, 0xFFFF, 0xFFFF, 8, 8);
} else if (cshape == Qt::DragCopyCursor || cshape == Qt::DragMoveCursor
|| cshape == Qt::DragLinkCursor) {
QImage image = QGuiApplicationPrivate::instance()->getPixmapCursor(static_cast<Qt::CursorShape>(cshape)).toImage();
if (!image.isNull()) {
xcb_pixmap_t pm = qt_xcb_XPixmapFromBitmap(m_screen, image);
xcb_pixmap_t pmm = qt_xcb_XPixmapFromBitmap(m_screen, image.createAlphaMask());
cursor = xcb_generate_id(conn);
xcb_create_cursor(conn, cursor, pm, pmm, 0, 0, 0, 0xFFFF, 0xFFFF, 0xFFFF, 8, 8);
xcb_free_pixmap(conn, pm);
xcb_free_pixmap(conn, pmm);
}
}
return cursor;
}
#if defined(XCB_USE_XLIB) && !defined(QT_NO_LIBRARY)
bool updateCursorTheme(void *dpy, const QByteArray &theme) {
if (!ptrXcursorLibraryGetTheme
|| !ptrXcursorLibrarySetTheme)
return false;
QByteArray oldTheme = ptrXcursorLibraryGetTheme(dpy);
if (oldTheme == theme)
return false;
int setTheme = ptrXcursorLibrarySetTheme(dpy,theme.constData());
return setTheme;
}
void QXcbCursor::cursorThemePropertyChanged(QXcbVirtualDesktop *screen, const QByteArray &name, const QVariant &property, void *handle)
{
Q_UNUSED(screen);
Q_UNUSED(name);
QXcbCursor *self = static_cast<QXcbCursor *>(handle);
updateCursorTheme(self->connection()->xlib_display(),property.toByteArray());
}
static xcb_cursor_t loadCursor(void *dpy, int cshape)
{
xcb_cursor_t cursor = XCB_NONE;
if (!ptrXcursorLibraryLoadCursor || !dpy)
return cursor;
switch (cshape) {
case Qt::DragCopyCursor:
cursor = ptrXcursorLibraryLoadCursor(dpy, "dnd-copy");
break;
case Qt::DragMoveCursor:
cursor = ptrXcursorLibraryLoadCursor(dpy, "dnd-move");
break;
case Qt::DragLinkCursor:
cursor = ptrXcursorLibraryLoadCursor(dpy, "dnd-link");
break;
default:
break;
}
if (!cursor) {
cursor = ptrXcursorLibraryLoadCursor(dpy, cursorNames[cshape]);
}
return cursor;
}
#endif //XCB_USE_XLIB / QT_NO_LIBRARY
xcb_cursor_t QXcbCursor::createFontCursor(int cshape)
{
xcb_connection_t *conn = xcb_connection();
int cursorId = cursorIdForShape(cshape);
xcb_cursor_t cursor = XCB_NONE;
// Try Xcursor first
#if defined(XCB_USE_XLIB) && !defined(QT_NO_LIBRARY)
if (cshape >= 0 && cshape <= Qt::LastCursor) {
void *dpy = connection()->xlib_display();
// special case for non-standard dnd-* cursors
cursor = loadCursor(dpy, cshape);
if (!cursor && !m_gtkCursorThemeInitialized && m_screen->xSettings()->initialized()) {
QByteArray gtkCursorTheme = m_screen->xSettings()->setting("Gtk/CursorThemeName").toByteArray();
m_screen->xSettings()->registerCallbackForProperty("Gtk/CursorThemeName",cursorThemePropertyChanged,this);
if (updateCursorTheme(dpy,gtkCursorTheme)) {
cursor = loadCursor(dpy, cshape);
}
m_gtkCursorThemeInitialized = true;
}
}
if (cursor)
return cursor;
if (!cursor && cursorId) {
cursor = XCreateFontCursor(DISPLAY_FROM_XCB(this), cursorId);
if (cursor)
return cursor;
}
#endif
// Non-standard X11 cursors are created from bitmaps
cursor = createNonStandardCursor(cshape);
// Create a glpyh cursor if everything else failed
if (!cursor && cursorId) {
cursor = xcb_generate_id(conn);
xcb_create_glyph_cursor(conn, cursor, cursorFont, cursorFont,
cursorId, cursorId + 1,
0xFFFF, 0xFFFF, 0xFFFF, 0, 0, 0);
}
if (cursor && cshape >= 0 && cshape < Qt::LastCursor && connection()->hasXFixes()) {
const char *name = cursorNames[cshape];
xcb_xfixes_set_cursor_name(conn, cursor, strlen(name), name);
}
return cursor;
}
xcb_cursor_t QXcbCursor::createBitmapCursor(QCursor *cursor)
{
xcb_connection_t *conn = xcb_connection();
QPoint spot = cursor->hotSpot();
xcb_cursor_t c = XCB_NONE;
if (cursor->pixmap().depth() > 1)
c = qt_xcb_createCursorXRender(m_screen, cursor->pixmap().toImage(), spot);
if (!c) {
xcb_pixmap_t cp = qt_xcb_XPixmapFromBitmap(m_screen, cursor->bitmap()->toImage());
xcb_pixmap_t mp = qt_xcb_XPixmapFromBitmap(m_screen, cursor->mask()->toImage());
c = xcb_generate_id(conn);
xcb_create_cursor(conn, c, cp, mp, 0, 0, 0, 0xFFFF, 0xFFFF, 0xFFFF,
spot.x(), spot.y());
xcb_free_pixmap(conn, cp);
xcb_free_pixmap(conn, mp);
}
return c;
}
#endif
void QXcbCursor::queryPointer(QXcbConnection *c, xcb_window_t *rootWin, QPoint *pos, int *keybMask)
{
if (pos)
*pos = QPoint();
xcb_screen_iterator_t it = xcb_setup_roots_iterator(c->setup());
while (it.rem) {
xcb_window_t root = it.data->root;
xcb_query_pointer_cookie_t cookie = xcb_query_pointer(c->xcb_connection(), root);
xcb_generic_error_t *err = 0;
xcb_query_pointer_reply_t *reply = xcb_query_pointer_reply(c->xcb_connection(), cookie, &err);
if (!err && reply) {
if (pos)
*pos = QPoint(reply->root_x, reply->root_y);
if (rootWin)
*rootWin = root;
if (keybMask)
*keybMask = reply->mask;
free(reply);
return;
}
free(err);
free(reply);
xcb_screen_next(&it);
}
}
QPoint QXcbCursor::pos() const
{
QPoint p;
queryPointer(connection(), 0, &p);
return m_screen->mapFromNative(p);
}
void QXcbCursor::setPos(const QPoint &pos)
{
const QPoint xPos = m_screen->mapToNative(pos);
xcb_window_t root = 0;
queryPointer(connection(), &root, 0);
xcb_warp_pointer(xcb_connection(), XCB_NONE, root, 0, 0, 0, 0, xPos.x(), xPos.y());
xcb_flush(xcb_connection());
}
QT_END_NAMESPACE
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