/**
* Relational pipes
* Copyright © 2021 František Kučera (Frantovo.cz, GlobalCode.info)
*
* 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, version 3 of the License.
*
* 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 <http://www.gnu.org/licenses/>.
*/
#pragma once
#include <codecvt>
#include <memory>
#include <iostream>
#include <stdexcept>
#include <X11/extensions/XInput.h>
#include "Configuration.h"
namespace relpipe {
namespace in {
namespace x11 {
class X11Command {
private:
class Display {
public:
::Display* display = nullptr;
// TODO: more OOP
virtual ~Display() {
if (display) XCloseDisplay(display);
}
};
class DeviceList {
public:
XDeviceInfo* items = nullptr;
int count = 0;
// TODO: more OOP
virtual ~DeviceList() {
if (items) XFreeDeviceList(items);
}
};
std::wstring_convert<codecvt_utf8<wchar_t>> convertor; // TODO: support also other encodings and use platform encoding as default
void listInputDevices(Display& display, Configuration& configuration, std::shared_ptr<writer::RelationalWriter> writer) {
writer->startRelation(L"x11_input_device",{
{L"id", relpipe::writer::TypeId::INTEGER},
{L"name", relpipe::writer::TypeId::STRING},
// TODO: device type name and ID
}, true);
DeviceList devices;
devices.items = XListInputDevices(display.display, &devices.count);
for (int i = 0; i < devices.count; i++) {
relpipe::common::type::Integer id = (devices.items + i)->id;
relpipe::common::type::StringX name = convertor.from_bytes((devices.items + i)->name);
writer->writeAttribute(&id, typeid (id));
writer->writeAttribute(&name, typeid (name));
}
}
void listInputEvents(Display& display, Configuration& configuration, std::shared_ptr<writer::RelationalWriter> writer) {
writer->startRelation(L"x11_input_event",{
{L"device_id", relpipe::writer::TypeId::INTEGER},
}, true);
// TODO: list events
}
public:
void process(Configuration& configuration, std::shared_ptr<writer::RelationalWriter> writer) {
Display display;
display.display = XOpenDisplay(nullptr);
if (display.display) {
if (configuration.listInputDevices) listInputDevices(display, configuration, writer);
if (configuration.listInputEvents) listInputEvents(display, configuration, writer);
} else {
throw std::invalid_argument("Unable to open display. Please check the $DISPLAY variable.");
}
}
};
}
}
}