forked from Qortal/Brooklyn
86 lines
1.8 KiB
C++
86 lines
1.8 KiB
C++
/*
|
|
SPDX-FileCopyrightText: 2013 Alexander Mezin <mezin.alexander@gmail.com>
|
|
|
|
SPDX-License-Identifier: GPL-2.0-or-later
|
|
*/
|
|
|
|
#include "propertyinfo.h"
|
|
|
|
#include <QVariant>
|
|
|
|
#include <X11/Xatom.h>
|
|
#include <X11/Xlib.h>
|
|
#include <X11/extensions/XInput2.h>
|
|
|
|
void XDeleter(void *p)
|
|
{
|
|
if (p) {
|
|
XFree(p);
|
|
}
|
|
}
|
|
|
|
PropertyInfo::PropertyInfo()
|
|
: type(0)
|
|
, format(0)
|
|
, nitems(0)
|
|
, f(nullptr)
|
|
, i(nullptr)
|
|
, b(nullptr)
|
|
, display(nullptr)
|
|
, device(0)
|
|
, prop(0)
|
|
{
|
|
}
|
|
|
|
PropertyInfo::PropertyInfo(Display *display, int device, Atom prop, Atom floatType)
|
|
: type(0)
|
|
, format(0)
|
|
, nitems(0)
|
|
, f(nullptr)
|
|
, i(nullptr)
|
|
, b(nullptr)
|
|
, display(display)
|
|
, device(device)
|
|
, prop(prop)
|
|
{
|
|
unsigned char *dataPtr = nullptr;
|
|
unsigned long bytes_after;
|
|
XIGetProperty(display, device, prop, 0, 1000, False, AnyPropertyType, &type, &format, &nitems, &bytes_after, &dataPtr);
|
|
data = QSharedPointer<unsigned char>(dataPtr, XDeleter);
|
|
|
|
if (format == CHAR_BIT && type == XA_INTEGER) {
|
|
b = reinterpret_cast<char *>(dataPtr);
|
|
}
|
|
if (format == sizeof(int) * CHAR_BIT && (type == XA_INTEGER || type == XA_CARDINAL)) {
|
|
i = reinterpret_cast<int *>(dataPtr);
|
|
}
|
|
if (format == sizeof(float) * CHAR_BIT && floatType && type == floatType) {
|
|
f = reinterpret_cast<float *>(dataPtr);
|
|
}
|
|
}
|
|
|
|
QVariant PropertyInfo::value(unsigned offset) const
|
|
{
|
|
QVariant v;
|
|
if (offset >= nitems) {
|
|
return v;
|
|
}
|
|
|
|
if (b) {
|
|
v = QVariant(static_cast<int>(b[offset]));
|
|
}
|
|
if (i) {
|
|
v = QVariant(i[offset]);
|
|
}
|
|
if (f) {
|
|
v = QVariant(f[offset]);
|
|
}
|
|
|
|
return v;
|
|
}
|
|
|
|
void PropertyInfo::set()
|
|
{
|
|
XIChangeProperty(display, device, prop, type, format, XIPropModeReplace, data.data(), nitems);
|
|
}
|