src/X11Command.h
branchv_0
changeset 1 3bbf848b3565
parent 0 3493d6e7016e
child 2 8d44cba0a3d1
equal deleted inserted replaced
0:3493d6e7016e 1:3bbf848b3565
    17 #pragma once
    17 #pragma once
    18 
    18 
    19 #include <codecvt>
    19 #include <codecvt>
    20 #include <memory>
    20 #include <memory>
    21 #include <iostream>
    21 #include <iostream>
       
    22 #include <stdexcept>
       
    23 
       
    24 #include <X11/extensions/XInput.h>
    22 
    25 
    23 #include "Configuration.h"
    26 #include "Configuration.h"
    24 
    27 
    25 namespace relpipe {
    28 namespace relpipe {
    26 namespace in {
    29 namespace in {
    27 namespace x11 {
    30 namespace x11 {
    28 
    31 
    29 class X11Command {
    32 class X11Command {
    30 private:
    33 private:
    31 
    34 
       
    35 	class Display {
       
    36 	public:
       
    37 		::Display* display = nullptr;
       
    38 		// TODO: more OOP
       
    39 
       
    40 		virtual ~Display() {
       
    41 			if (display) XCloseDisplay(display);
       
    42 		}
       
    43 
       
    44 	};
       
    45 
       
    46 	class DeviceList {
       
    47 	public:
       
    48 		XDeviceInfo* items = nullptr;
       
    49 		int count = 0;
       
    50 		// TODO: more OOP
       
    51 
       
    52 		virtual ~DeviceList() {
       
    53 			if (items) XFreeDeviceList(items);
       
    54 		}
       
    55 
       
    56 	};
       
    57 
       
    58 
    32 	std::wstring_convert<codecvt_utf8<wchar_t>> convertor; // TODO: support also other encodings and use platform encoding as default
    59 	std::wstring_convert<codecvt_utf8<wchar_t>> convertor; // TODO: support also other encodings and use platform encoding as default
    33 
    60 
    34 	void processRelation(RelationConfiguration& configuration, std::shared_ptr<writer::RelationalWriter> writer) {
    61 	void listInputDevices(Display& display, Configuration& configuration, std::shared_ptr<writer::RelationalWriter> writer) {
    35 		// Write header / metadata:
    62 		writer->startRelation(L"x11_input_device",{
    36 		std::vector<relpipe::writer::AttributeMetadata> attributesMetadata;
    63 			{L"id", relpipe::writer::TypeId::INTEGER},
    37 		for (AttributeRecipe ar : configuration.attributes) attributesMetadata.push_back({ar.name, ar.type});
    64 			{L"name", relpipe::writer::TypeId::STRING},
    38 		writer->startRelation(configuration.relation, attributesMetadata, configuration.writeHeader);
    65 			// TODO: device type name and ID
       
    66 		}, true);
    39 
    67 
    40 		// Write records from CLI:
    68 		DeviceList devices;
    41 		for (auto value : configuration.values) writer->writeAttribute(value);
    69 		devices.items = XListInputDevices(display.display, &devices.count);
    42 
    70 
    43 		// Write records from STDIN:
    71 		for (int i = 0; i < devices.count; i++) {
    44 		if (configuration.valueStream) {
    72 			relpipe::common::type::Integer id = (devices.items + i)->id;
    45 			std::stringstream rawValue;
    73 			relpipe::common::type::StringX name = convertor.from_bytes((devices.items + i)->name);
    46 			while (true) {
    74 
    47 				char ch = 0;
    75 			writer->writeAttribute(&id, typeid (id));
    48 				configuration.valueStream->get(ch);
    76 			writer->writeAttribute(&name, typeid (name));
    49 				if (ch == 0 && configuration.valueStream->good()) {
    77 
    50 					writer->writeAttribute(convertor.from_bytes(rawValue.str()));
       
    51 					rawValue.str("");
       
    52 					rawValue.clear();
       
    53 				} else if (configuration.valueStream->good()) {
       
    54 					rawValue << ch;
       
    55 				} else if (configuration.valueStream->eof()) {
       
    56 					return;
       
    57 				} else {
       
    58 					throw relpipe::cli::RelpipeCLIException(L"Error while reading values from the input stream.", relpipe::cli::CLI::EXIT_CODE_UNEXPECTED_ERROR); // TODO: better exception
       
    59 				}
       
    60 			}
       
    61 		}
    78 		}
       
    79 	}
    62 
    80 
       
    81 	void listInputEvents(Display& display, Configuration& configuration, std::shared_ptr<writer::RelationalWriter> writer) {
       
    82 		writer->startRelation(L"x11_input_event",{
       
    83 			{L"device_id", relpipe::writer::TypeId::INTEGER},
       
    84 		}, true);
       
    85 
       
    86 		// TODO: list events
    63 	}
    87 	}
    64 
    88 
    65 public:
    89 public:
    66 
    90 
    67 	void process(Configuration& configuration, std::shared_ptr<writer::RelationalWriter> writer) {
    91 	void process(Configuration& configuration, std::shared_ptr<writer::RelationalWriter> writer) {
    68 		for (RelationConfiguration& relationConfiguration : configuration.relationConfigurations) processRelation(relationConfiguration, writer);
    92 		Display display;
       
    93 		display.display = XOpenDisplay(nullptr);
       
    94 
       
    95 		if (display.display) {
       
    96 			if (configuration.listInputDevices) listInputDevices(display, configuration, writer);
       
    97 			if (configuration.listInputEvents) listInputEvents(display, configuration, writer);
       
    98 		} else {
       
    99 			throw std::invalid_argument("Unable to open display. Please check the $DISPLAY variable.");
       
   100 		}
    69 	}
   101 	}
    70 };
   102 };
    71 
   103 
    72 }
   104 }
    73 }
   105 }