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// Copyright (C) 2022 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
// Qt-Security score:significant reason:default
#include "qxcbcursor.h"
#include "qxcbconnection.h"
#include "qxcbwindow.h"
#include "qxcbimage.h"
#include "qxcbxsettings.h"
#include <QtGui/QWindow>
#include <QtGui/QBitmap>
#include <QtGui/private/qguiapplication_p.h>
#include <qpa/qplatformtheme.h>
#if QT_CONFIG(xcb_xlib)
#include <X11/cursorfont.h>
#else
#include "qxcbcursorfont.h"
#endif
#include <xcb/xfixes.h>
#include <xcb/xcb_image.h>
QT_BEGIN_NAMESPACE
using namespace Qt::StringLiterals;
static xcb_font_t cursorFont = 0;
static int cursorCount = 0;
#ifndef QT_NO_CURSOR
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,
nullptr, nullptr, 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,
nullptr, nullptr, nullptr, nullptr, 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
};
// ### FIXME This mapping is incomplete - QTBUG-71423
static const std::vector<const char *> cursorNames[] = {
{ "left_ptr", "default", "top_left_arrow", "left_arrow" },
{ "up_arrow" },
{ "cross" },
{ "wait", "watch", "0426c94ea35c87780ff01dc239897213" },
{ "ibeam", "text", "xterm" },
{ "size_ver", "ns-resize", "v_double_arrow", "00008160000006810000408080010102" },
{ "size_hor", "ew-resize", "h_double_arrow", "028006030e0e7ebffc7f7070c0600140" },
{ "size_bdiag", "nesw-resize", "50585d75b494802d0151028115016902", "fcf1c3c7cd4491d801f1e1c78f100000" },
{ "size_fdiag", "nwse-resize", "38c5dff7c7b8962045400281044508d2", "c7088f0f3e6c8088236ef8e1e3e70000" },
{ "size_all" },
{ "blank" },
{ "split_v", "row-resize", "sb_v_double_arrow", "2870a09082c103050810ffdffffe0204", "c07385c7190e701020ff7ffffd08103c" },
{ "split_h", "col-resize", "sb_h_double_arrow", "043a9f68147c53184671403ffa811cc5", "14fef782d02440884392942c11205230" },
{ "pointing_hand", "pointer", "hand1", "e29285e634086352946a0e7090d73106" },
{ "forbidden", "not-allowed", "crossed_circle", "circle", "03b6e0fcb3499374a867c041f52298f0" },
{ "whats_this", "help", "question_arrow", "5c6cd98b3f3ebcb1f9c7f1c204630408", "d9ce0ab605698f320427677b458ad60b" },
{ "left_ptr_watch", "half-busy", "progress", "00000000000000020006000e7e9ffc3f", "08e8e1c95fe2fc01f976f1e063a24ccd" },
{ "openhand", "grab", "fleur", "5aca4d189052212118709018842178c0", "9d800788f1b08800ae810202380a0822" },
{ "closedhand", "grabbing", "208530c400c041818281048008011002" },
{ "dnd-copy", "copy" },
{ "dnd-move", "move" },
{ "dnd-link", "link" }
};
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().isNull());
Q_ASSERT(!c.mask().isNull());
bitmapCacheKey = c.bitmap().cacheKey();
maskCacheKey = c.mask().cacheKey();
}
}
hotspotCacheKey.x = c.hotSpot().x();
hotspotCacheKey.y = c.hotSpot().y();
}
#endif // !QT_NO_CURSOR
QXcbCursor::QXcbCursor(QXcbConnection *conn, QXcbScreen *screen)
: QXcbObject(conn), m_screen(screen), m_cursorContext(nullptr), m_callbackForPropertyRegistered(false)
{
#if QT_CONFIG(cursor)
// see NUM_BITMAPS in libXcursor/src/xcursorint.h
m_bitmapCache.setMaxCost(8);
#endif
updateContext();
if (cursorCount++)
return;
cursorFont = xcb_generate_id(xcb_connection());
const char *cursorStr = "cursor";
xcb_open_font(xcb_connection(), cursorFont, strlen(cursorStr), cursorStr);
}
QXcbCursor::~QXcbCursor()
{
xcb_connection_t *conn = xcb_connection();
if (m_callbackForPropertyRegistered) {
m_screen->xSettings()->removeCallbackForHandle(this);
}
if (!--cursorCount)
xcb_close_font(conn, cursorFont);
#ifndef QT_NO_CURSOR
for (xcb_cursor_t cursor : std::as_const(m_cursorHash))
xcb_free_cursor(conn, cursor);
#endif
if (m_cursorContext)
xcb_cursor_context_free(m_cursorContext);
}
QSize QXcbCursor::size() const
{
if (const QPlatformTheme *theme = QGuiApplicationPrivate::platformTheme())
return theme->themeHint(QPlatformTheme::MouseCursorSize).toSize();
return QSize(24, 24);
}
void QXcbCursor::updateContext()
{
if (m_cursorContext)
xcb_cursor_context_free(m_cursorContext);
m_cursorContext = nullptr;
xcb_connection_t *conn = xcb_connection();
if (xcb_cursor_context_new(conn, m_screen->screen(), &m_cursorContext) < 0) {
qWarning() << "xcb: Could not initialize xcb-cursor";
m_cursorContext = nullptr;
}
}
#ifndef QT_NO_CURSOR
void QXcbCursor::changeCursor(QCursor *cursor, QWindow *window)
{
if (!window || !window->handle())
return;
xcb_cursor_t c = XCB_CURSOR_NONE;
if (cursor) {
const QXcbCursorCacheKey key(*cursor);
const Qt::CursorShape shape = cursor->shape();
if (shape == Qt::BitmapCursor) {
auto *bitmap = m_bitmapCache.object(key);
if (bitmap) {
c = bitmap->cursor;
} else {
c = createBitmapCursor(cursor);
m_bitmapCache.insert(key, new CachedCursor(xcb_connection(), c));
}
} else {
auto it = m_cursorHash.find(key);
if (it == m_cursorHash.end()) {
c = createFontCursor(shape);
m_cursorHash.insert(key, c);
} else {
c = it.value();
}
}
}
auto *w = static_cast<QXcbWindow *>(window->handle());
xcb_change_window_attributes(xcb_connection(), w->xcb_window(), XCB_CW_CURSOR, &c);
xcb_flush(xcb_connection());
}
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, nullptr);
xcb_pixmap_t mp = xcb_create_pixmap_from_bitmap_data(conn, m_screen->root(), cur_blank_bits, 16, 16,
1, 0, 0, nullptr);
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, nullptr);
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, nullptr);
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, nullptr);
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, nullptr);
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, nullptr);
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, nullptr);
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, nullptr);
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, nullptr);
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;
}
void QXcbCursor::cursorThemePropertyChanged(QXcbVirtualDesktop *screen, const QByteArray &name, const QVariant &property, void *handle)
{
Q_UNUSED(screen);
Q_UNUSED(name);
Q_UNUSED(property);
QXcbCursor *self = static_cast<QXcbCursor *>(handle);
self->m_cursorHash.clear();
self->updateContext();
}
xcb_cursor_t QXcbCursor::createFontCursor(int cshape)
{
if (!m_cursorContext)
return XCB_NONE;
xcb_connection_t *conn = xcb_connection();
int cursorId = cursorIdForShape(cshape);
xcb_cursor_t cursor = XCB_NONE;
if (!m_callbackForPropertyRegistered && m_screen->xSettings()->initialized()) {
m_screen->xSettings()->registerCallbackForProperty("Gtk/CursorThemeName", cursorThemePropertyChanged, this);
m_callbackForPropertyRegistered = true;
}
// Try xcb-cursor first
if (cshape >= 0 && cshape <= Qt::LastCursor) {
for (const char *cursorName : cursorNames[cshape]) {
cursor = xcb_cursor_load_cursor(m_cursorContext, cursorName);
if (cursor != XCB_NONE)
return cursor;
}
}
// Non-standard X11 cursors are created from bitmaps
cursor = createNonStandardCursor(cshape);
// Create a glyph 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].front();
xcb_xfixes_set_cursor_name(conn, cursor, strlen(name), name);
}
return cursor;
}
xcb_cursor_t QXcbCursor::createBitmapCursor(QCursor *cursor)
{
QPoint spot = cursor->hotSpot();
xcb_cursor_t c = XCB_NONE;
if (cursor->pixmap().depth() > 1) {
if (connection()->hasXRender(0, 5))
c = qt_xcb_createCursorXRender(m_screen, cursor->pixmap().toImage(), spot);
else
qCWarning(lcQpaXcb, "xrender >= 0.5 required to create pixmap cursors");
} else {
xcb_connection_t *conn = xcb_connection();
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
/*! \internal
Note that the logical state of a device (as seen by means of the protocol) may
lag the physical state if device event processing is frozen. See QueryPointer
in X11 protocol specification.
*/
void QXcbCursor::queryPointer(QXcbConnection *c, QXcbVirtualDesktop **virtualDesktop, QPoint *pos, int *keybMask)
{
if (pos)
*pos = QPoint();
xcb_window_t root = c->primaryVirtualDesktop()->root();
auto reply = Q_XCB_REPLY(xcb_query_pointer, c->xcb_connection(), root);
if (reply) {
if (virtualDesktop) {
const auto virtualDesktops = c->virtualDesktops();
for (QXcbVirtualDesktop *vd : virtualDesktops) {
if (vd->root() == reply->root) {
*virtualDesktop = vd;
break;
}
}
}
if (pos)
*pos = QPoint(reply->root_x, reply->root_y);
if (keybMask)
*keybMask = reply->mask;
return;
}
}
QPoint QXcbCursor::pos() const
{
QPoint p;
queryPointer(connection(), nullptr, &p);
return p;
}
void QXcbCursor::setPos(const QPoint &pos)
{
QXcbVirtualDesktop *virtualDesktop = nullptr;
queryPointer(connection(), &virtualDesktop, nullptr);
if (virtualDesktop)
xcb_warp_pointer(xcb_connection(), XCB_NONE, virtualDesktop->root(), 0, 0, 0, 0, pos.x(), pos.y());
xcb_flush(xcb_connection());
}
QT_END_NAMESPACE