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Diffstat (limited to 'kcontrol/input/xiproperty.h')
| -rw-r--r-- | kcontrol/input/xiproperty.h | 123 |
1 files changed, 123 insertions, 0 deletions
diff --git a/kcontrol/input/xiproperty.h b/kcontrol/input/xiproperty.h new file mode 100644 index 000000000..ddbdf4b16 --- /dev/null +++ b/kcontrol/input/xiproperty.h @@ -0,0 +1,123 @@ +/******************************************************************************* + XIGetProperty/XIChangeProperty wrapper + + Copyright © 2013 Alexandr Mezin <mezin.alexander@gmail.com> + Copyright © 2024 Mavridis Philippe <mavridisf@gmail.com> + + This program 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, either version 2 of the License, or (at your option) any later + version. + + This program 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 <https://www.gnu.org/licenses/>. + +*******************************************************************************/ + +#ifndef __XI_PROPERTY_H__ +#define __XI_PROPERTY_H__ + +// TQt +#include <tqobject.h> // tqt_xdisplay() +#include <tqvariant.h> + +// X11 +#include <X11/Xatom.h> + + +class XIProperty +{ + public: + XIProperty() + : device(-1), + type(0), + format(0), + num_items(0), + data(0), + b(nullptr), + i(nullptr), + f(nullptr) + {} + + XIProperty(int device, TQCString propertyName) + : device(device), + type(0), + format(0), + num_items(0), + data(0), + b(nullptr), + i(nullptr), + f(nullptr) + { + Display *disp = tqt_xdisplay(); + + property = XInternAtom(disp, propertyName, true); + + unsigned char *ptr = nullptr; + unsigned long bytes_after; + + XIGetProperty(disp, device, property, 0, 1000, False, AnyPropertyType, + &type, &format, &num_items, &bytes_after, &ptr); + + data = ptr; + + if (format == CHAR_BIT && type == XA_INTEGER) + { + b = reinterpret_cast<char *>(data); + } + + if (format == sizeof(int) * CHAR_BIT + && (type == XA_INTEGER || type == XA_CARDINAL)) + { + i = reinterpret_cast<int *>(data); + } + + Atom floatType = XInternAtom(disp, "FLOAT", true); + + if (format == sizeof(float) * CHAR_BIT && floatType && type == floatType) + { + f = reinterpret_cast<float *>(data); + } + } + + ~XIProperty() + { + XFree(data); + } + + TQVariant operator[](int offset) + { + if (offset >= num_items) return TQVariant(); + + if (b) return TQVariant(static_cast<int>(b[offset])); + if (i) return TQVariant(i[offset]); + if (f) return TQVariant(f[offset]); + + return TQVariant(); + } + + void set() + { + XIChangeProperty(tqt_xdisplay(), device, property, type, format, XIPropModeReplace, + data, num_items); + } + + int count() { return num_items; } + + public: + char *b; + int *i; + float *f; + + private: + Atom property, type; + int device, format; + unsigned long num_items; + unsigned char *data; +}; + +#endif // __XI_PROPERTY_H__
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